CN104188768A - Locking device applied to stretcher - Google Patents
Locking device applied to stretcher Download PDFInfo
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- CN104188768A CN104188768A CN201410487583.5A CN201410487583A CN104188768A CN 104188768 A CN104188768 A CN 104188768A CN 201410487583 A CN201410487583 A CN 201410487583A CN 104188768 A CN104188768 A CN 104188768A
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- stretcher
- pulling buckle
- locking
- axle
- locking member
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Abstract
The invention provides a locking device applied to a stretcher. The locking device comprises a transmission structure, a power structure, a locking structure, a resetting and starting structure and a stretcher body. The locking structure comprises a pulling part used for locking a front wheel shaft of the stretcher body and a locking part used for locking a stretcher positioning shaft, the pulling part is fixedly connected on the transmission structure and changed in position with movement of the transmission structure, and the locking part is connected with the pulling part through a pull buckle integrated structure. When the stretcher is disposed on the stretcher body and needs to be pulled back in place by the transmission structure and locked, the pulling part is driven to the position of the front wheel shaft of the stretcher body through the transmission structure and locks the front wheel shaft of the stretcher body, the pulling part pulls the stretcher body to move by pulling the front wheel shaft, and the pulling part starts the locking part through the pull buckle integrated structure to lock the stretcher positioning shaft. By the locking device, stable locking of the stretcher can be realized, and meanwhile automatic locking is realized.
Description
Technical field
The present invention relates to braking technology field, espespecially a kind of locking device that is applied to stretcher.
Background technology
In common ambulance, be generally all furnished with stretcher and use, be convenient to, by stretcher, moving patients is sent to hospital to ambulance, also can in ambulance, carry out first aid simultaneously.
In the early stage application of stretcher, in ambulance, generally it does not fixed or is only simply fixed, but in ambulance driving process, can stretcher be moved because road conditions cause to jolt unavoidably, thereby patient is formed to unnecessary potential safety hazard.
In order to address the above problem, those skilled in the art have researched and developed the fixture that is applied to stretcher, but the structure that these fixtures have is too loaded down with trivial details, locks, the operation of release is comparatively complicated, has incured loss through delay the very first time that patient is treated; Some fixture volumes are too small and too simple again, can only be fixed the position, certain of stretcher, and fixed effect is firm not, cause stretcher still carry out skew by a small margin or rock.And further, existing fixture all needs manually to handle locking, cannot realize the automatic fixing and locking of stretcher.
The existing problem of existing fixture shows, the use of stretcher is still badly in need of wanting a kind of fixed effect good and can carry out the appearance of the device of automatic fixing and locking.
Summary of the invention
The object of this invention is to provide a kind of locking device that is applied to stretcher, can realize the stable locking of stretcher, can realize auto lock simultaneously.
Technical scheme provided by the invention is as follows:
A locking device that is applied to stretcher, comprising:
Drive mechanism that can transmitted in both directions;
Dynamic structure, it is connected with described drive mechanism, is used to described drive mechanism that power is provided;
Stretcher, it is movably set in described drive mechanism top, and the direction of motion is parallel with the transmission direction of described drive mechanism, for placing stretcher and moving together with stretcher;
Locking mechanism, it comprises lifting piece and the locking member for stretcher locating shaft is locked for stretcher front axle is locked; Described lifting piece is fixedly installed on described drive mechanism, and changes position with the motion of described drive mechanism; Described locking member is connected with described lifting piece by pulling buckle integrated morphology;
Reset and start structure, it is connected with described pulling buckle integrated morphology, for starting described locking member release by described pulling buckle integrated morphology, resets;
When stretcher is placed on stretcher and in the time of need being withdrawn into position and locking by described drive mechanism, described lifting piece is driven to the front wheel location of stretcher and is connected that with front axle front axle is locked by described drive mechanism, described lifting piece is by pulling this front axle to pull stretcher to move, and described lifting piece of while starts described locking member by described pulling buckle integrated morphology stretcher locating shaft is locked.
Further preferably, described drive mechanism comprises drive sprocket, driven sprocket and chain;
Described drive sprocket is connected with described dynamic structure, and described drive sprocket is connected with described driven sprocket by described chain;
Described lifting piece is fixedly installed on described chain.
Further preferably, described dynamic structure is reducing motor.
Further preferably, described locking member enters from initial position the operating position that stretcher locating shaft is locked after being started by described pulling buckle integrated morphology;
When described locking member is during in initial position, described locking member parallels with the direction of motion of stretcher;
When described locking member is during in operating position, the direction of motion of described locking member and stretcher is perpendicular.
Further preferably, described lifting piece is for lifting hook;
Further preferably, described locking member is locking bail.
Further preferably, described pulling buckle integrated morphology comprises pull bar, pulling buckle, long pulling buckle axle, pulling buckle rotating shaft;
Described pull bar is along the transmission direction setting of described drive mechanism, and the two ends of described pull bar are arranged with a described pulling buckle, two described pulling buckles are connected with described pulling buckle rotating shaft with described long pulling buckle axle respectively, what be wherein connected with described long pulling buckle axle is the first pulling buckle, what be connected with described pulling buckle rotating shaft is the second pulling buckle, and described the second pulling buckle is connected with described locking member by described pulling buckle rotating shaft;
At described lifting piece, drive stretcher persistent movement to enter in the process of position, described long pulling buckle axle is started by described lifting piece and motion in is scheduled between short lane place, so that described long pulling buckle axle drives described locking member to move to the operating position that stretcher locating shaft is locked from initial position by described pulling buckle, pull bar, pulling buckle rotating shaft.
Further preferably, described locking device arranges a lock-bit structure at the terminal position place of described long pulling buckle axle motion, when described long pulling buckle axle moves to this lock-bit structure place, by described lock-bit structure, is carried out lock-bit.
Further preferably, described lock-bit structure is a groove, and described long pulling buckle axle moves to this groove of the lock bit;
Further preferably, described lifting piece comprises the stretching structure for stretcher front axle is locked and is arranged at the pushing block on described stretching structure; When described stretching structure drives stretcher persistent movement to enter by stretcher front axle, described long pulling buckle axle is promoted by described pushing block and moves between a short lane place along the direction of motion of stretcher, until it is of the lock bit to move to described lock-bit structure, so that being driven from initial position, described locking member moves to the operating position that stretcher locating shaft is locked; After described long pulling buckle axle is of the lock bit, described stretching structure drives stretcher persistent movement, until described locking member is locked stretcher locating shaft;
Further preferably, described reset starts structure and is connected with described lock-bit structure, and for remove afterwards the locking of described lock-bit structure to described long pulling buckle axle in startup.
Further preferably, it is release shift fork that described reset starts structure, and it is connected with described long pulling buckle axle;
When stirring described release shift fork, described long pulling buckle axle is jumped out in described groove, and described pull bar is got back to initial position, and described locking member release resets.
Further preferably, described locking device is provided with the guide rail for described stretcher motion.
By the locking device that is applied to stretcher provided by the invention, can realize stable locking and the auto lock of stretcher.Locking device of the present invention can by lifting piece and locking member, to stretcher front axle and stretcher locating shaft, (direction of motion with stretcher be divided respectively, stretcher locating shaft is stretcher hind axle) carry out screens and locking, realization, to the stable locking in the two ends of stretcher, is effectively avoided moving and rocking of stretcher.Simultaneously, the present invention can also carry out auto lock to stretcher when application, particularly, when stretcher is placed on stretcher, drive mechanism can drive lifting piece to move to stretcher front axle position, lifting piece is connected with stretcher front axle, drive mechanism adverse movement afterwards, lifting piece pulls stretcher to enter position, when pulling stretcher, lifting piece moves to behind precalculated position, can start the motion of pulling buckle integrated morphology, and further start locking member start stretcher locating shaft is locked, thereby realize the auto lock of stretcher.And in the time need to removing the locking state of stretcher, start the reset startup structure being connected with pulling buckle integrated morphology can make pulling buckle integrated morphology reset and release locking member, and then make stretcher release, simple to operation.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of a kind of embodiment of the present invention before stretcher enters position;
Fig. 2 is the structural representation of a kind of embodiment of the present invention locking after stretcher enters position;
Fig. 3 is the local enlarged diagram of Fig. 2;
Fig. 4 is the local enlarged diagram of Fig. 2;
Fig. 5 be a kind of embodiment of the present invention at stretcher the structural representation in locking state;
Fig. 6 is the structural representation of a kind of embodiment of the present invention after stretcher release.
Drawing reference numeral explanation:
Driven sprocket (1), chain (2), chain guard (3), stretcher (4), fixed rotating shaft (5), locking bail (6), pulling buckle rotating shaft (7), pulling buckle (8), pull bar (9), reducing motor (10), long pulling buckle axle (11), pushing block (12), release shift fork (13), lift hook (14), drive sprocket (15); Stretcher locating shaft (16), the position (17) of startup pulling buckle integrated morphology, groove (18).
The specific embodiment
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
In embodiments of the invention one, locking device comprises:
Drive mechanism that can transmitted in both directions, this drive mechanism forward transmission also can reverse drive, for example when it rotates counterclockwise, drive lifting piece to move to stretcher front axle position and be connected that with front axle it is locked, after connecting, drive mechanism clockwise rotates, and then drive lifting piece to pull stretcher to enter position, be convenient to like this lifting piece and change its present position and carry out difference and move;
Dynamic structure, it is connected with described drive mechanism, is used to described drive mechanism that power is provided;
Stretcher, it is movably set in described drive mechanism top, and the direction of motion is parallel with the transmission direction of described drive mechanism, for placing stretcher and moving together with stretcher;
Locking mechanism, it comprises lifting piece and the locking member for stretcher locating shaft (being stretcher hind axle) is locked for stretcher front axle is locked, and to realize, the two ends of stretcher is locked respectively, locking effect is better; Described lifting piece is fixedly installed on described drive mechanism, and changes position with the motion of described drive mechanism; Described locking member is connected with described lifting piece by pulling buckle integrated morphology; Pulling buckle integrated morphology can be the integrated of a plurality of structures, for example jointed connecting rod structure or combination pulling buckle structure, when lifting piece moves to behind precalculated position, promote jointed connecting rod structure or combine pulling buckle structure to drive locking member move to stretcher locating shaft position and lock;
Reset and start structure, it is connected with described pulling buckle integrated morphology, for starting described locking member release by described pulling buckle integrated morphology, resets; The startup structure that resets can be shift fork or other unlocking structures;
When stretcher is placed on stretcher and in the time of need being withdrawn into position and locking by described drive mechanism, described lifting piece is driven to the front axle position of stretcher and is connected that with this front axle front axle is locked by described drive mechanism, described lifting piece is by pulling front axle to pull stretcher to move to precalculated position, in motor process, described lifting piece starts described locking member by described pulling buckle integrated morphology stretcher locating shaft is locked simultaneously.
The front-wheel and the trailing wheel that it should be noted that stretcher are divided with its direction of motion, and as shown in Figure 1, the wheel on right side is stretcher front-wheel, and left side is stretcher trailing wheel.Meanwhile, locking device needs in use first to pull out stretcher and stretcher is placed on stretcher, and as shown in Figure 1, and then drive mechanism drives lifting piece move to the front wheel location of stretcher and be connected with front axle, and rear lifting piece pulls stretcher to enter position.Stretcher motion institute movement position is extremely close enters the position of coming to a complete stop behind position, 17 places, position with reference to the startup pulling buckle integrated morphology in Fig. 4, lifting piece promotes pulling buckle integrated morphology in this position and starts, and drives locking member to move to operating position, and stretcher locating shaft is locked.Meanwhile, the distance that stretcher enters between a rear lifting piece and locking member is determined according to the distance between the front-wheel of stretcher and trailing wheel, and preferably, the position-adjustable of lifting piece, locking member, so that the stretcher of applicable different size specification.
In embodiments of the invention two, drive mechanism can preferably be used the combinative structure of sprocket wheel chain, also can use belt pulley combination structure.With reference to Fig. 2,3,4,5,6, sprocket wheel chain combinative structure comprises drive sprocket 15, driven sprocket 1 and chain 2; Drive sprocket is connected with dynamic structure, and drive sprocket is connected with driven sprocket by chain; Lifting piece is fixedly installed on chain.Belt pulley combination structure is also similar with sprocket wheel chain combinative structure.Wherein, dynamic structure is preferably reducing motor 10.
In embodiments of the invention three, locking member enters from initial position the operating position that stretcher locating shaft is locked after being started by pulling buckle integrated morphology; With reference to Fig. 1, when locking member is during in initial position, locking member parallels with the direction of motion of stretcher, parallels with chain, can when initial position, not be exposed to like this chain guard outside and affect the motion of stretcher front-wheel, guarantee the smooth and easy state that will enter of moving to of stretcher; And when locking member is during in operating position, with reference to Fig. 3, locking member (i.e. locking bail in figure 6) is perpendicular, perpendicular with chain 2 with the direction of motion of stretcher, also perpendicular with the direction of motion of stretcher locating shaft, be convenient to locating shaft to lock.
In embodiments of the invention four, with reference to Fig. 4, lifting piece can be for lifting hook 14, and locking member can be locking bail 6, is convenient to lock with front-wheel, the trailing wheel hasp of stretcher, simple to operate.
In embodiments of the invention five, with reference to Fig. 2,3,4,5,6, pulling buckle integrated morphology comprises pull bar 9, pulling buckle 8, long pulling buckle axle 11, pulling buckle rotating shaft 7, pull bar 9 is along the transmission direction setting of drive mechanism, and the two ends of pull bar 9 are arranged with a pulling buckle 8, two pulling buckles 8 are connected with pulling buckle rotating shaft 7 with long pulling buckle axle 11 respectively, what be wherein connected with long pulling buckle axle 7 is the first pulling buckle (right side in figure), what be connected with pulling buckle rotating shaft 11 is the second pulling buckle (left side in figure), and the second pulling buckle is connected with locking member by pulling buckle rotating shaft 7, and long pulling buckle axle 11 is positioned at the position of close stretcher front-wheel after stretcher enters position, for example, at lifting piece (lifting hook 14) in figure, drive stretcher persistent movement to enter in the process of position, long pulling buckle axle 11 by lifting piece, started and between a predetermined short lane place in motion (long pulling buckle axle 11 is promoted by lifting piece and moves to the right always, as long as the motion of long pulling buckle axle 11 is scheduled between short lane place as can drive locking member to move to the operating position that stretcher locating shaft is locked from initial position, for example from the initial position parallel with chain 2, be pulled to the operating position vertical with chain 2), so that long pulling buckle axle 11 is by pulling buckle 8, pull bar 9, pulling buckle rotating shaft 7 drives locking member (for example locking bail in figure 6) from initial position, to move to the operating position that stretcher locating shaft is locked.Particularly, when long pulling buckle axle 11 is after the position motion near stretcher front-wheel, by the first pulling buckle, pull pull bar 9, and further by pull bar 9, pull the second pulling buckle to move, and drive pulling buckle rotating shaft 7 to pull locking member motion, so that locking member enters operating position, stretcher locating shaft is locked.Preferably, locking device of the present invention is on (the right side in figure, least significant end position of long pulling buckle axle 11 motions, the position at groove 18 places for example) locate to arrange a lock-bit structure, when long pulling buckle axle 11 moves to least significant end, structure of the lock bit is carried out lock-bit, and locking member is driven to operating position and to stretcher locating shaft and locks.Lock-bit structure optimization is mechanical type screens key or groove, for example, when for groove, behind groove 18 places that long pulling buckle axle 11 moves in figure, fall into groove by screens.Preferably, with reference to Fig. 4, lifting piece comprises the stretching structure (as lifting hook 14) for stretcher front axle is locked and is arranged at the pushing block 12 on stretching structure; When stretching structure drives stretcher persistent movement to enter by stretcher front axle, long pulling buckle axle 11 is promoted by pushing block 12 and moves between a short lane place along the direction of motion of stretcher, until it is of the lock bit to move to lock-bit structure (groove 18), so that being driven from initial position, locking member moves to the operating position that stretcher locating shaft is locked; After long pulling buckle axle 11 is of the lock bit, stretching structure drives stretcher persistent movement, until locking member is locked stretcher locating shaft.Be understood that, when locking member (locking bail 6) enters behind the operating position of locking, likely stretcher locating shaft does not contact with locking member, or contact but be not locked, need stretching structure to drive stretcher to continue again the segment distance that moves, so that locking member stably locks locating shaft, now, the stretching structure part restriction that is also locked no longer continues motion.Preferably, the startup structure that resets is connected with lock-bit structure, and for remove afterwards the locking of lock-bit structure to long pulling buckle axle in startup.For example, with reference to Fig. 5, the startup structure that resets is release shift fork 13, and it is connected with long pulling buckle axle 11; When stirring release shift fork 13, long pulling buckle axle 11 is jumped out in groove 18, and pull bar 9 is got back to initial position, and locking member release resets.Preferably, on locking device, be also provided with the guide rail for stretcher 4 motions.
In a full implementation example of the present invention, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, locking device comprises driven sprocket 1, chain 2, chain guard 3, stretcher 4, fixed rotating shaft 5, locking bail 6, pulling buckle rotating shaft 7, pulling buckle 8, pull bar 9, reducing motor 10, long pulling buckle axle 11, pushing block 12, release shift fork 13, lift hook 14, drive sprocket 15, stretcher locating shaft 16.Wherein, reducing motor 10, for drive sprocket 15 provides power, can guarantee gently to turn round.Lift hook 14 and be fixed on chain 2, can move horizontally with chain.Long pulling buckle axle 11 moves between the position 17 that starts pulling buckle integrated morphology (lifting the position that hook starts long pulling buckle axle) and groove 18, and by pulling buckle 8, drives the motion of pull bar 9.Pulling buckle rotating shaft 7 on pull bar 9 drives locking bail 6 to realize auto lock.Locking bail 6 is parallel with chain 2 when initial position, when the operating position that stretcher locating shaft 16 is locked, vertical with chain 2, vertical with the direction of motion of stretcher.Stretcher is carried on stretcher 4 rear (with reference to Fig. 1), reducing motor 10 entrys into service make chain 2 rotate counterclockwise with drive sprocket 15, and the hook 14 that lifts being fixed on chain 2 moves thereupon, behind the position of arrival stretcher front axle, button is held stretcher front axle.After drive sprocket 15, start clockwise motion (adverse movement), lift hook 14 and drive the mild movement of stretcher with chain 2, move to the position 17 (lifting the position that hook starts long pulling buckle axle) that starts pulling buckle integrated morphology, lift hook 14 and promote the motion to the right of long pulling buckle axle 11, long pulling buckle axle 11 drives pull bar 9 motions by pulling buckle 8, thereby by pulling buckle rotating shaft 7, drive on locking bail 6 and carry, make locking bail 6 enter operating position, and vertical with the direction of motion of stretcher.When long pulling buckle axle 11 moves to groove location 18, locking bail 6 enters operating position, lifts hook 14 or continues reach, now, locking bail 6 is always in the vertical duty of the direction of motion with stretcher, until stretcher locating shaft 16 catches on locking bail 6, the trailing wheel of stretcher is locked.Now, completed whole locking work.Afterwards, as long as press release shift fork 13, long pulling buckle axle 11 is jumped out from groove location 18, thereby pull bar 9 is returned to initial position, and locking bail 6 is returned to initially not locking state.
It should be noted that all independent assortments as required of above-described embodiment.The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a locking device that is applied to stretcher, is characterized in that, comprising:
Drive mechanism that can transmitted in both directions;
Dynamic structure, it is connected with described drive mechanism, is used to described drive mechanism that power is provided;
Stretcher, it is movably set in described drive mechanism top, and the direction of motion is parallel with the transmission direction of described drive mechanism, for placing stretcher and moving together with stretcher;
Locking mechanism, it comprises lifting piece and the locking member for stretcher locating shaft is locked for stretcher front axle is locked; Described lifting piece is fixedly installed on described drive mechanism, and changes position with the motion of described drive mechanism; Described locking member is connected with described lifting piece by pulling buckle integrated morphology;
Reset and start structure, it is connected with described pulling buckle integrated morphology, for starting described locking member release by described pulling buckle integrated morphology, resets;
When stretcher is placed on stretcher and in the time of need being withdrawn into position and locking by described drive mechanism, described lifting piece is driven to the front wheel location of stretcher and is connected that with front axle front axle is locked by described drive mechanism, described lifting piece is by pulling this front axle to pull stretcher to move, and described lifting piece of while starts described locking member by described pulling buckle integrated morphology stretcher locating shaft is locked.
2. the locking device that is applied to stretcher according to claim 1, is characterized in that:
Described drive mechanism comprises drive sprocket, driven sprocket and chain;
Described drive sprocket is connected with described dynamic structure, and described drive sprocket is connected with described driven sprocket by described chain;
Described lifting piece is fixedly installed on described chain.
3. the locking device that is applied to stretcher according to claim 1, is characterized in that:
Described dynamic structure is reducing motor.
4. the locking device that is applied to stretcher according to claim 1, is characterized in that:
Described locking member enters from initial position the operating position that stretcher locating shaft is locked after being started by described pulling buckle integrated morphology;
When described locking member is during in initial position, described locking member parallels with the direction of motion of stretcher;
When described locking member is during in operating position, the direction of motion of described locking member and stretcher is perpendicular.
5. the locking device that is applied to stretcher according to claim 1, is characterized in that:
Described lifting piece is for lifting hook;
And/or;
Described locking member is locking bail.
6. the locking device that is applied to stretcher according to claim 1, is characterized in that:
Described pulling buckle integrated morphology comprises pull bar, pulling buckle, long pulling buckle axle, pulling buckle rotating shaft;
Described pull bar is along the transmission direction setting of described drive mechanism, and the two ends of described pull bar are arranged with a described pulling buckle, two described pulling buckles are connected with described pulling buckle rotating shaft with described long pulling buckle axle respectively, what be wherein connected with described long pulling buckle axle is the first pulling buckle, what be connected with described pulling buckle rotating shaft is the second pulling buckle, and described the second pulling buckle is connected with described locking member by described pulling buckle rotating shaft;
At described lifting piece, drive stretcher persistent movement to enter in the process of position, described long pulling buckle axle is started by described lifting piece and motion in is scheduled between short lane place, so that described long pulling buckle axle drives described locking member to move to the operating position that stretcher locating shaft is locked from initial position by described pulling buckle, pull bar, pulling buckle rotating shaft.
7. the locking device that is applied to stretcher according to claim 6, is characterized in that:
Described locking device arranges a lock-bit structure at the terminal position place of described long pulling buckle axle motion, when described long pulling buckle axle moves to this lock-bit structure place, by described lock-bit structure, is carried out lock-bit.
8. the locking device that is applied to stretcher according to claim 7, is characterized in that:
Described lock-bit structure is a groove, and described long pulling buckle axle moves to this groove of the lock bit;
And/or;
Described lifting piece comprises the stretching structure for stretcher front axle is locked and is arranged at the pushing block on described stretching structure; When described stretching structure drives stretcher persistent movement to enter by stretcher front axle, described long pulling buckle axle is promoted by described pushing block and moves between a short lane place along the direction of motion of stretcher, until it is of the lock bit to move to described lock-bit structure, so that being driven from initial position, described locking member moves to the operating position that stretcher locating shaft is locked; After described long pulling buckle axle is of the lock bit, described stretching structure drives stretcher persistent movement, until described locking member is locked stretcher locating shaft;
And/or;
Described reset starts structure and is connected with described lock-bit structure, and for remove afterwards the locking of described lock-bit structure to described long pulling buckle axle in startup.
9. the locking device that is applied to stretcher according to claim 8, is characterized in that:
It is release shift fork that described reset starts structure, and it is connected with described long pulling buckle axle;
When stirring described release shift fork, described long pulling buckle axle is jumped out in described groove, and described pull bar is got back to initial position, and described locking member release resets.
10. according to the locking device that is applied to stretcher described in any one in claim 1-9, it is characterized in that:
Described locking device is provided with the guide rail for described stretcher motion.
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CN201410487583.5A CN104188768B (en) | 2014-09-23 | 2014-09-23 | A kind of stretcher locking device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105748214A (en) * | 2016-04-11 | 2016-07-13 | 上海新纪元机器人有限公司 | Locking device applied to stretcher |
CN106389018A (en) * | 2016-11-10 | 2017-02-15 | 航天科工智能机器人有限责任公司 | Medical shovel-like stretcher transfer vehicle |
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CN2848199Y (en) * | 2005-11-29 | 2006-12-20 | 沈阳华晨金杯汽车有限公司 | Electrical stretcher sliding way locking mechanism |
CN101342106A (en) * | 2008-07-18 | 2009-01-14 | 张家港市腾达机械制造有限公司 | Unlocking apparatus of automatic stretcher |
CN102481217A (en) * | 2009-07-10 | 2012-05-30 | 费诺-华盛顿公司 | Litter support systems for medical care units and methods of their use |
CN202801978U (en) * | 2012-10-08 | 2013-03-20 | 江苏日新医疗设备有限公司 | Ambulance stretcher landing leg folding latching mechanism |
CN102961221A (en) * | 2012-12-17 | 2013-03-13 | 江苏日新医疗设备有限公司 | Stretcher compartment |
CN204050068U (en) * | 2014-09-23 | 2014-12-31 | 宁波Gqy视讯股份有限公司 | A kind of locking device being applied to stretcher |
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CN105748214A (en) * | 2016-04-11 | 2016-07-13 | 上海新纪元机器人有限公司 | Locking device applied to stretcher |
CN106389018A (en) * | 2016-11-10 | 2017-02-15 | 航天科工智能机器人有限责任公司 | Medical shovel-like stretcher transfer vehicle |
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