CN104042229A - X-ray machine and C-arm rotating mechanism thereof - Google Patents
X-ray machine and C-arm rotating mechanism thereof Download PDFInfo
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- CN104042229A CN104042229A CN201410244518.XA CN201410244518A CN104042229A CN 104042229 A CN104042229 A CN 104042229A CN 201410244518 A CN201410244518 A CN 201410244518A CN 104042229 A CN104042229 A CN 104042229A
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- regulating wheel
- slotted
- block
- plate
- sliding block
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Abstract
A C-arm rotating mechanism comprises a supporting base, a central shaft, a slotted plate, a sliding stop, a first adjusting wheel and a second adjusting wheel; the sliding stop can slide in a slot of the slotted plate, and damping friction force exists between the sliding stop and the sidewall of the slot; the first adjusting wheel is arranged on the central shaft in a sleeving manner, and can rotate relative to the central shaft, and a first stop is arranged on the first adjusting wheel; the second adjusting wheel and the first adjusting wheel are concentrically arranged, a second stop is arranged on the second adjusting wheel, and the radius where the first stop is located on the first adjusting wheel is greater than the radius where the second stop is located on the second adjusting wheel; the radius where one end of the slot far from the circle center of the slotted plate is located is equal to the radius where the first stop is located on the first adjusting wheel, and the radius where the other end of the slot close to the circle center of the slotted plate is located is equal to the radius where the second stop is located on the second adjusting wheel. The C-arm rotating mechanism can limit the rotation of a C-arm. Meanwhile, the invention also provides an X-ray machine using the C-arm rotating mechanism.
Description
Technical field
The present invention relates to X-ray production apparatus technical field, particularly relate to a kind of X-ray production apparatus and C type arm rotating mechanism thereof.
Background technology
The X-ray production apparatus that is mounted with C type arm is widely used at medical instruments field, and the C type arm of most of such X-ray production apparatus can be along horizontal rotational shaft, and the anglec of rotation be not less than ± 180 °.If X-ray production apparatus is not limited along horizontal rotational shaft angular range C type arm, in the time that the C arm anglec of rotation is excessive, easily cause wire to be wrapped on machine.
The detector of X-ray production apparatus and X-ray tube are wired to control circuit part, for avoiding wire to be wound around, need mounting limit device to be limited the rotation angle range of C type arm.At present be generally spacing with contacting of block by block or touch-switch is set for the rotary stopper device of C type arm, spacing by circuit control.After the structure of these stops is determined, the rotation angle range of C type arm is determined value, regulates difficulty.
So, for the X-ray production apparatus of traditional restriction C type arm rotation angle range, due to its structural restriction, once determine stop structure, C type arm rotation angle range will be difficult to regulate, and make X-ray production apparatus use underaction, cannot meet the demand of daily medical treatment.
Summary of the invention
Based on this, be necessary to provide a kind of C type arm rotating mechanism of scalable C type arm rotation angle range.
A kind of C type arm rotating mechanism, comprising:
Supporting seat;
Central shaft, one end of described central shaft is fixedly connected on described supporting seat;
Slotted-plate, is fixed on described supporting seat, on described slotted-plate, offers slotted hole, and described central shaft is arranged in the middle part of described slotted-plate, and described central shaft can drive described slotted-plate and described supporting seat to rotate;
Sliding block, one end of described sliding block is arranged in described slotted hole, and in described slotted hole slidably, and between the sidewall of described sliding block and described slotted hole, there is damping frictional force, the other end of described sliding block protrudes from described slotted-plate;
The first regulating wheel, is sheathed on described central shaft, and relatively described central shaft is rotatable, and described the first regulating wheel is provided with the first block on the side of described slotted-plate; And
The second regulating wheel, being connected in rotationally described the first regulating wheel is provided with on the side of the first block, described the second regulating wheel and concentric setting of described the first regulating wheel, described the second regulating wheel is provided with the second block on the side of described slotted-plate, and described the first block is greater than described the second block at the residing radius of described the second regulating wheel at the residing radius of described the first regulating wheel; Described slotted hole equates at the residing radius of described the first regulating wheel with described the first block away from the residing radius in one end in the described slotted-plate center of circle, and described slotted hole equates at the residing radius of described the second regulating wheel with described the second block near the residing radius in one end in the described slotted-plate center of circle;
Wherein, described central shaft drives described slotted-plate to rotate, described sliding block contacts with described the first block, described the first block promotes described sliding block to described slotted hole one end near the described slotted-plate center of circle, and be separated with described sliding block, described slotted-plate is rotated further, so that described the second block and described sliding block support, with spacing described slotted-plate;
Or, described central shaft drives described slotted-plate to rotate, described sliding block contacts with described the second block, described the second block promotes described sliding block to described slotted hole one end away from the described slotted-plate center of circle, and be separated with described sliding block, described slotted-plate is rotated further, so that described the first block and described sliding block support, with spacing described slotted-plate.
In an embodiment, also comprise therein:
Frame, described the first regulating wheel is connected in described frame rotationally;
Worm screw, is arranged in described frame, in the outer peripheral edges of described the first regulating wheel, is provided with groove, and described the first regulating wheel and worm engaging form worm couple; And
Gear train, described gear train is connected described the first regulating wheel and described the second regulating wheel.
In an embodiment, described gear train comprises therein:
Driven gear, is fixedly connected on a side of described the first regulating wheel, and with concentric setting of described the first regulating wheel;
Gear shaft, is arranged in described frame, offers a hole of keeping away of circumferentially extending along it on described the first regulating wheel, described in described gear shaft wears, keeps away a hole; And
Stepped gear, the second end difference that comprises the first end difference and be fixedly connected with described the first end difference, on described the first end difference and described the second end difference, be equipped with groove, described the second end difference is meshed with described driven gear, described the second regulating wheel is circulus, on the inner peripheral of described the second regulating wheel, be provided with groove, described the second regulating wheel engages with described the second end difference;
Wherein, described worm screw is rotated, and drives described the first regulating wheel to rotate, and then drives driven gear to rotate, described driven gear drives described the second regulating wheel to rotate by described stepped gear, and the direction of rotation of the rotation direction of described the second regulating wheel and the first regulating wheel.
In an embodiment, described the first regulating wheel and described driven gear are one-body molded therein.
In an embodiment, on the side of described the first regulating wheel, be provided with slide rail therein, on described the second regulating wheel, offer chute, described the second regulating wheel is mounted slidably on described slide rail.
In an embodiment, described the first block and described the second block are cylindrical structural therein.
Therein in an embodiment, described slotted hole equals the radius sum of described the first block and described the second block near the difference of the residing radius in one end in the described slotted-plate center of circle away from the residing radius in one end in the described slotted-plate center of circle and described slotted hole.
In addition, be also necessary to provide a kind of X-ray production apparatus that uses above-mentioned C type arm rotating mechanism.
A kind of X-ray production apparatus, comprises above-mentioned C type arm rotating mechanism.
In above-mentioned X-ray production apparatus and C type arm rotating mechanism thereof, by the first block on the first regulating wheel and the second regulating wheel and the second block to slotted-plate on sliding block offset, and then the rotation of spacing slotted-plate.Between the first regulating wheel and the second regulating wheel, relatively rotate by making, can regulate the relative position of the first block and the second block, and then adjust the scope that C type arm rotating mechanism can rotate, met the demand in use.
Brief description of the drawings
Fig. 1 is the structure chart of C type arm rotating mechanism in preferred embodiment of the present invention;
Fig. 2 is the local structural graph of the arm of C type shown in Fig. 1 rotating mechanism;
Fig. 3 is another local structural graph of the arm of C type shown in Fig. 1 rotating mechanism;
Fig. 4 is the side view of the arm of C type shown in Fig. 1 rotating mechanism;
Fig. 5 is the operation principle schematic diagram of the arm of C type shown in Fig. 1 rotating mechanism.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiments of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiments is make the disclosure of the present invention understand more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of concrete embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1, the C type arm rotating mechanism 10 in preferred embodiment of the present invention, comprises supporting seat 100, central shaft 200, slotted-plate 300, sliding block 400, the first regulating wheel 500 and the second regulating wheel 600.
See also Fig. 2, supporting seat 100 is for fixation of C type arm (not shown).One end of central shaft 200 is fixedly connected on supporting seat 100.
Slotted-plate 300 is fixed on supporting seat 100.On slotted-plate 300, offer slotted hole 310.Central shaft 200 wears the middle part of slotted-plate 300, and central shaft 200 can drive slotted-plate 300 and supporting seat 100 to rotate.
One end of sliding block 400 is arranged in slotted hole 310.Slidably, and there is damping frictional force between the sidewall of sliding block 400 and slotted hole 310 in sliding block 400, so that under static state, sliding block 400 can be because of factors such as the gravity of self in the interior slip of slotted hole 310 in slotted hole 310.The other end of sliding block 400 protrudes from slotted-plate 300.
See also Fig. 3, the first regulating wheel 500 is sheathed on central shaft 200, and central shaft 200 is rotatable relatively.The first regulating wheel 500 is provided with the first block 510 on the side of slotted-plate 300.
The second regulating wheel 600 is connected in rotationally the first regulating wheel 500 and is provided with on the side of the first block 510.The second regulating wheel 600 and the concentric setting of the first regulating wheel 500.The second regulating wheel 600 is provided with the second block 610 on the side of slotted-plate 300.By regulating the relative motion of the second regulating wheel 600 and the first regulating wheel 500, can change the relative position of the first block 510 and the second block 610.
The first block 510 is greater than the second block 610 at the residing radius of the second regulating wheel 600 at the residing radius of the first regulating wheel 500.The residing radius in one end that slotted hole 310 keeps away frid 300 centers of circle equates at the residing radius of the first regulating wheel 500 with the first block 510, and slotted hole 310 equates at the residing radius of the second regulating wheel 600 with the second block 610 near the residing radius in one end in slotted-plate 300 centers of circle.
Specifically in the present embodiment, the first block 510 and the second block 610 are cylindrical structural.Slotted hole 310 keeps away the residing radius in one end in frid 300 centers of circle and slotted hole 310 and equals near the difference of the residing radius in one end in slotted-plate 300 centers of circle radius sum of the first block 510 and the second block 610.
Wherein, see also Fig. 4, central shaft 200 drives slotted-plate 300 to rotate, and the first block 510 or the second block 610 can be contacted with sliding block 400.
See also Fig. 5, central shaft 200 drives slotted-plate 300 and supporting seat 100 to rotate along the clockwise direction in Fig. 5, and supporting seat 100 drives the C type arm loading thereon to rotate.Sliding block 400 contacts with the first block 510.The first block 510 promotes sliding block 400 to slotted hole 310 one end near slotted-plate 300 centers of circle, and is separated with sliding block 400.Now, sliding block 400 residing radius on slotted-plate 300 is identical with the radius of the second block 610 on the second regulating wheel 600.Slotted-plate 300 is rotated further, so that the second block 610 supports with sliding block 400, because sliding block 400 also offsets with the end face of slotted hole 310, therefore slotted-plate 300 now cannot be rotated further, with spacing slotted-plate 300, and then define the rotation of the C type arm being loaded on supporting seat 100.
Or central shaft 200 drives slotted-plate 300 and supporting seat 100 to rotate along the counter clockwise direction in Fig. 5, supporting seat 100 drives the C type arm loading thereon to rotate.Sliding block 400 contacts with the second block 610.The second block 610 promotes sliding block 400 and keeps away the one end in frid 300 centers of circle to slotted hole 310, and is separated with sliding block 400.Now, sliding block 400 residing radius on slotted-plate 300 is identical with the radius of the first block 510 on the first regulating wheel 500.Slotted-plate 300 is rotated further, so that the first block 510 supports with sliding block 400, because sliding block 400 also offsets with the end face of slotted hole 310, therefore slotted-plate 300 now cannot be rotated further, with spacing slotted-plate 300, and then define the rotation of the C type arm being loaded on supporting seat 100.
In above-mentioned C type arm rotating mechanism 10, by the first block 510 on the first regulating wheel 500 and the second regulating wheel 600 and the second block 610 to slotted-plate 300 on sliding block 400 offset, and then the rotation of spacing slotted-plate 300.Between the first regulating wheel 500 and the second regulating wheel 600, relatively rotate by making, can regulate the relative position of the first block 510 and the second block 610, and then adjust 10 scopes that can rotate of C type arm rotating mechanism.
The spacing angle spacing to C type arm determined by the relative position of the first block 510 and the second block 610.See also Fig. 5, when initial, between the first block 510 and the second block 610, corresponding central angle is 2 α, sliding block 400 is pushed to after slotted hole 310 is pushed near the one end in slotted-plate 300 centers of circle and by sliding block 400 one end that slotted hole 310 keeps away frid 300 centers of circle, between the first block 510 and the second block 610, corresponding central angle is 2 β, and the rotational angle of supporting seat 100 is just limited in 2 × (alpha+beta+180) degree so.
Specifically in the present embodiment, please again consult Fig. 1, be provided with slide rail 530 on the side of the first regulating wheel 500, slide rail 530 is roughly circular.On the second regulating wheel 600, offer chute (not shown), the second regulating wheel 600 is mounted slidably on slide rail 530, so that the second regulating wheel 600 is mounted slidably on the first regulating wheel 500.
In addition, above-mentioned C type arm rotating mechanism 10 also comprises frame 700, worm screw 800 and gear train 900.
The first regulating wheel 500 is connected in frame 700 rotationally.The first regulating wheel 500 is free to rotate, is not subject to the impact of frame 700.
Worm screw 800 is arranged in frame 700, in the outer peripheral edges of the first regulating wheel 500, is provided with groove.The first regulating wheel 500 engages with worm screw 800 and forms worm couple.
Gear train 900 is connected the first regulating wheel 500 and the second regulating wheel 600.By regulating worm screw 800, can make the first regulating wheel 500 rotate, and then drive the second regulating wheel 600 to rotate by gear train 900.
Specifically in the present embodiment, gear train 900 comprises driven gear 910, gear shaft 930 and stepped gear 950.
Driven gear 910 is fixedly connected on a side of the first regulating wheel 500, and with the concentric setting of the first regulating wheel 500.Specifically in the present embodiment, the first regulating wheel 500 is one-body molded with driven gear 910.
Gear shaft 930 is arranged in frame 700, on the first regulating wheel 500, offer circumferentially extend along it keep away a hole 550, gear shaft 930 wears keeps away a hole 550.
The second end difference 950b that stepped gear 950 comprises the first end difference 950a and is fixedly connected with the first end difference 950a.On the first end difference 950a and the second end difference 950b, be equipped with groove.The second end difference 950b is meshed with driven gear 910.The second regulating wheel 600 is circulus.On the inner peripheral of the second regulating wheel 600, be provided with groove, the second regulating wheel 600 engages with the second end difference 950b.
Wherein, worm screw 800 is rotated, and drives the first regulating wheel 500 to rotate, and then drives driven gear 910 to rotate, driven gear 910 drives the second regulating wheel 600 to rotate by stepped gear 950, and the direction of rotation of the rotation direction of the second regulating wheel 600 and the first regulating wheel 500.By the rotation of worm screw 800, can drive the rotation of the first regulating wheel 500 and the second regulating wheel 600, and then regulate the relative position between the first block 510 and the second block 610.By regulating the relative position between the first block 510 and the second block 610, can regulate C type arm rotation angle range.
Be appreciated that said gear group 900 also can be formed by multiple gear-linkeds of other form, is not limited to said structure.Stepped gear 950 also can be substituted by two different gear (not shown) of radius, and two different gears of radius are all sheathed on gear shaft 930, and fix between two gears.
Meanwhile, also provide a kind of X-ray production apparatus, this X-ray production apparatus comprises above-mentioned C type arm rotating mechanism 10.
In above-mentioned X-ray production apparatus and C type arm rotating mechanism 10 thereof, by the first block 510 on the first regulating wheel 500 and the second regulating wheel 600 and the second block 610 to slotted-plate 300 on sliding block 400 offset, and then the rotation of spacing slotted-plate 300.Between the first regulating wheel 500 and the second regulating wheel 600, relatively rotate by making, can regulate the relative position of the first block 510 and the second block 610, and then adjust 10 scopes that can rotate of C type arm rotating mechanism, met the demand in use.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a C type arm rotating mechanism, is characterized in that, comprising:
Supporting seat;
Central shaft, one end of described central shaft is fixedly connected on described supporting seat;
Slotted-plate, is fixed on described supporting seat, on described slotted-plate, offers slotted hole, and described central shaft is arranged in the middle part of described slotted-plate, and described central shaft can drive described slotted-plate and described supporting seat to rotate;
Sliding block, one end of described sliding block is arranged in described slotted hole, and in described slotted hole slidably, and between the sidewall of described sliding block and described slotted hole, there is damping frictional force, the other end of described sliding block protrudes from described slotted-plate;
The first regulating wheel, is sheathed on described central shaft, and relatively described central shaft is rotatable, and described the first regulating wheel is provided with the first block on the side of described slotted-plate; And
The second regulating wheel, being connected in rotationally described the first regulating wheel is provided with on the side of the first block, described the second regulating wheel and concentric setting of described the first regulating wheel, described the second regulating wheel is provided with the second block on the side of described slotted-plate, and described the first block is greater than described the second block at the residing radius of described the second regulating wheel at the residing radius of described the first regulating wheel; Described slotted hole equates at the residing radius of described the first regulating wheel with described the first block away from the residing radius in one end in the described slotted-plate center of circle, and described slotted hole equates at the residing radius of described the second regulating wheel with described the second block near the residing radius in one end in the described slotted-plate center of circle;
Wherein, described central shaft drives described slotted-plate to rotate, described sliding block contacts with described the first block, described the first block promotes described sliding block to described slotted hole one end near the described slotted-plate center of circle, and be separated with described sliding block, described slotted-plate is rotated further, so that described the second block and described sliding block support, with spacing described slotted-plate;
Or, described central shaft drives described slotted-plate to rotate, described sliding block contacts with described the second block, described the second block promotes described sliding block to described slotted hole one end away from the described slotted-plate center of circle, and be separated with described sliding block, described slotted-plate is rotated further, so that described the first block and described sliding block support, with spacing described slotted-plate.
2. C type arm rotating mechanism according to claim 1, is characterized in that, also comprises:
Frame, described the first regulating wheel is connected in described frame rotationally;
Worm screw, is arranged in described frame, in the outer peripheral edges of described the first regulating wheel, is provided with groove, and described the first regulating wheel and worm engaging form worm couple; And
Gear train, described gear train is connected described the first regulating wheel and described the second regulating wheel.
3. C type arm rotating mechanism according to claim 2, is characterized in that, described gear train comprises:
Driven gear, is fixedly connected on a side of described the first regulating wheel, and with concentric setting of described the first regulating wheel;
Gear shaft, is arranged in described frame, offers a hole of keeping away of circumferentially extending along it on described the first regulating wheel, described in described gear shaft wears, keeps away a hole; And
Stepped gear, the second end difference that comprises the first end difference and be fixedly connected with described the first end difference, on described the first end difference and described the second end difference, be equipped with groove, described the second end difference is meshed with described driven gear, described the second regulating wheel is circulus, on the inner peripheral of described the second regulating wheel, be provided with groove, described the second regulating wheel engages with described the second end difference;
Wherein, described worm screw is rotated, and drives described the first regulating wheel to rotate, and then drives driven gear to rotate, described driven gear drives described the second regulating wheel to rotate by described stepped gear, and the direction of rotation of the rotation direction of described the second regulating wheel and the first regulating wheel.
4. C type arm rotating mechanism according to claim 3, is characterized in that, described the first regulating wheel and described driven gear are one-body molded.
5. C type arm rotating mechanism according to claim 1, is characterized in that, on the side of described the first regulating wheel, is provided with slide rail, on described the second regulating wheel, offers chute, and described the second regulating wheel is mounted slidably on described slide rail.
6. C type arm rotating mechanism according to claim 1, is characterized in that, described the first block and described the second block are cylindrical structural.
7. C type arm rotating mechanism according to claim 6, it is characterized in that, described slotted hole equals the radius sum of described the first block and described the second block near the difference of the residing radius in one end in the described slotted-plate center of circle away from the residing radius in one end in the described slotted-plate center of circle and described slotted hole.
8. an X-ray production apparatus, is characterized in that, comprises that claim 1 is to the C type arm rotating mechanism described in any one in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244518.XA CN104042229B (en) | 2014-06-04 | 2014-06-04 | X-ray production apparatus and C-arm rotating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244518.XA CN104042229B (en) | 2014-06-04 | 2014-06-04 | X-ray production apparatus and C-arm rotating mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104042229A true CN104042229A (en) | 2014-09-17 |
| CN104042229B CN104042229B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244518.XA Active CN104042229B (en) | 2014-06-04 | 2014-06-04 | X-ray production apparatus and C-arm rotating mechanism thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106137231A (en) * | 2016-07-30 | 2016-11-23 | 温州市人民医院 | A kind of angiography DSA machine of quick location |
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| CN1500444A (en) * | 2002-09-12 | 2004-06-02 | GEҽ��ϵͳ����������˾ | C-arm x-ray apparatus with mechanically adjustable brake |
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| JP2011161139A (en) * | 2010-02-15 | 2011-08-25 | Hitachi Medical Corp | Diagnostic x-ray equipment |
| CN202113080U (en) * | 2011-05-18 | 2012-01-18 | 北京中科美伦科技有限公司 | Transverse arm rotation driving mechanism for medical X-ray machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166786Y (en) * | 1993-08-03 | 1994-06-01 | 蚌埠市第二人民医院 | X rays C type arm frame |
| US5642395A (en) * | 1995-08-07 | 1997-06-24 | Oec Medical Systems, Inc. | Imaging chain with miniaturized C-arm assembly for mobile X-ray imaging system |
| CN1500444A (en) * | 2002-09-12 | 2004-06-02 | GEҽ��ϵͳ����������˾ | C-arm x-ray apparatus with mechanically adjustable brake |
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| CN201929967U (en) * | 2011-01-25 | 2011-08-17 | 南京普爱射线影像设备有限公司 | Horizontal C-arm movement driving mechanism for moving x-ray machine |
| CN202113080U (en) * | 2011-05-18 | 2012-01-18 | 北京中科美伦科技有限公司 | Transverse arm rotation driving mechanism for medical X-ray machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106137231A (en) * | 2016-07-30 | 2016-11-23 | 温州市人民医院 | A kind of angiography DSA machine of quick location |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104042229B (en) | 2016-06-15 |
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