CN102626313A - Split welding fixed disposable blood taking needle - Google Patents
Split welding fixed disposable blood taking needle Download PDFInfo
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- CN102626313A CN102626313A CN2012101080076A CN201210108007A CN102626313A CN 102626313 A CN102626313 A CN 102626313A CN 2012101080076 A CN2012101080076 A CN 2012101080076A CN 201210108007 A CN201210108007 A CN 201210108007A CN 102626313 A CN102626313 A CN 102626313A
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- needle
- lower house
- upper shell
- blood taking
- disposable blood
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Abstract
The invention discloses a split welding fixed disposable blood taking needle, which comprises a lower shell, an upper shell, a sliding needle block, a return spring and a needle tip cap, wherein the return spring is arranged on one end of the sliding needle block, the needle pin cap is arranged on the other end of the sliding needle block, an integer formed by connecting the sliding needle block and the return spring and the needle pin cap is arranged in an inner cavity of the lower shell, the upper shell and the lower shell are welded into a whole in a joint surface through the same material plastic-plastic ultrasonic wave connecting technology, thus the upper shell and the lower shell are more firmly connected into a whole. The split welding fixed disposable blood taking needle has the advantages of increasing the operating efficiency by 100 times to 150 times in comparison with manual assembly, being good in connecting quality, being smaller in welding deformation and residual stress due to no need of cooling curing time, increasing yield, ensuring quality from the structure, thus the production efficiency can be greatly increased, the labor cost is lowered, and the quality is improved.
Description
[technical field]
The present invention relates to a kind of medical device, relate in particular to disposable blood taking needle.
[background technology]
The kind of existing disposable blood taking needle product is a lot, and for example Chinese patent CN1011190129B, CN1961828B are exactly wherein two kinds, these disposable blood taking needle complex structures, and production technology property is poor, and main the dependence by hand of assembling carried out.In these products, all comprise the lower house and the upper shell that have slideway, upper shell and lower house must be distinguished die casting and pruning, also will carry out gluing, bonding to quasi merger then.Do not have relatedness between upper shell and the lower house, do not close the location structure of lid yet, also will be fixed into one between the two through the gluing mode that connects; In traditional Assembling Production technology, the die casting between upper shell and the lower house, aligning, gluing and the dependence fully that is adhesively fixed are manual, not only complicated operation; Specification requirement is high; Involutory accuracy is not high between upper shell and the lower house, and the ability pressing is bonding after must solidifying through about 5 minutes time dryings behind the gluing, and is uneven if glue applies; Gluing too much or less all can influence adhesive strength, and production efficiency is difficult to improve.The applicant pays a return visit and test through the user; Find the unreasonable structure of this type blood taking needle, lack the location structure be convenient to assemble between upper shell and the lower house, very easy generation misplaces direction or inconsistent phenomenon when bonding merging between upper shell and the lower house; Adopt glue to carry out bonding simultaneously between upper shell and the lower house; Not only production efficiency is low, and cost is high, and assembling matter article cannot say for sure to demonstrate,prove.Gluing need expend more manpower and materials and man-hour, after gluing finishes, also needs the long period to wait for solidifying of glue, only 2000 of common workman's hand assembled quantity, and labor cost is too high, and production efficiency is too low.On the connectivity robustness of upper shell and lower house, the firmness after the glue solidifies is stable inadequately, and intensity is not high yet; Firmly break off with the fingers and thumb and can break into two with one's hands; And As time goes on the composition in the glue can wear out gradually, and its adhesion strength also can correspondingly reduce, and can not reach the quality guarantee period requirement in 5 years.
Along with China's rapid economy development; Labour force's recruitment cost fast rise, workman's day rate has reached 60～100 yuan, prolongs with existing blood taking needle structure and assembly technology and has arrived the stage that loss is produced; Press for existing blood taking needle is carried out structural design; So that realize the continuous Assembling Production of mechanization, improve product quality and production efficiency, reduce production costs.
[summary of the invention]
The purpose of this invention is to provide the fixed disposable blood taking needle of a kind of split type welding; It is simple in structure, is convenient to motorization assembly, has changed traditional gluing between upper shell and lower house syndeton that is adhesively fixed; Can enhance productivity; Reduce human cost, can improve the yield rate of product again, guaranteed shelf-life requirement in 5 year of product.
The fixed disposable blood taking needle of a kind of split type welding is characterized in that: comprise lower house and upper shell, upper shell is arranged on the top of lower house, and both faying faces are fixedly connected through welding manner and are integral.
Further, upper shell is fixedly connected through the ultrasonic mode that connects with the material wave soldering at faying face with lower house and is integral.
Further, between the faying face of upper shell and lower house, be provided with the location structure that cooperates of alignment pin and dowel hole.
Further, alignment pin is arranged on the faying face of lower house, and the quantity of alignment pin is more than two, and dowel hole is arranged on the faying face of upper shell, and the alignment pin on its quantity and present position and the lower house matches.
Further, alignment pin is arranged on the faying face of upper shell, and the quantity of alignment pin is more than two, and dowel hole is arranged on the faying face of lower house, and the alignment pin on its quantity and present position and the upper shell matches.
Further, between the faying face of upper shell and lower house, be provided with welding fusing convex body, the material of welding fusing convex body is identical with the material of upper shell, lower house.
Further, said welding fusing convex body is arranged on the faying face of lower house or on the faying face of upper shell.
Further; The fixed disposable blood taking needle of split type welding; Also comprise slip pin piece, back-moving spring and needle point medicated cap, in the inner chamber of lower house, be provided with spring card slot bottom, glidepath and needle outlet bottom, the spring card slot bottom is arranged on an end of lower housing cavity; The needle outlet bottom is arranged on the other end of lower housing cavity, and glidepath is arranged on the both sides of lower housing cavity; Said upper shell comprises that tabletting exports, goes up slide rail and spring card slot top, after upper shell and lower house close lid between needle outlet top, tabletting storage; Needle outlet top is corresponding with the needle outlet bottom; Last slide rail is corresponding with glidepath, and spring card slot top is corresponding with the spring card slot bottom, is close to place, needle outlet top between the tabletting storage; The tabletting outlet is close between the tabletting storage, and is positioned at the rear between the tabletting storage; Said slip pin piece comprises needle body, slide block body, slide-and-guide bar, elastic pressuring plate and spring deck, and needle body die casting is in slide body, and an end of slide body is stretched out at the needle point position of needle body; The slide-and-guide bar is arranged on the left and right sides face of slide body, and elastic pressuring plate is arranged on the upper surface of slide body, and the spring deck is arranged on the other end of slide body; One end of back-moving spring is enclosed within on the spring deck, and an end of said needle point medicated cap is provided with handle, and the other end is provided with the needle point hole; The needle point medicated cap is fixedly connected through needle body in needle point hole and the slip pin piece; Before not using, needle point medicated cap and slip pin piece link into an integrated entity, and the coalition of needle point medicated cap and slip pin piece is positioned in the inner chamber of lower house; Elastic pressuring plate is upwards put; The other end of back-moving spring is stuck among the spring card slot bottom, and the slide-and-guide bar is positioned at the upper end of glidepath, and the handle of needle point medicated cap is in the outside of lower house.
In the present invention, owing to only contain lower house, upper shell, slip pin piece, back-moving spring and five parts of needle point medicated cap, product structure is simple.Slide simultaneously pin piece and needle point medicated cap rheo-die-casting is integral; The conjunction of back-moving spring, slip pin piece and needle point medicated cap is directly installed between lower house, the upper shell; Though lower house and upper shell are assembled structure; But, make both assemblings seem very simple owing between the faying face of upper shell and lower house, be provided with the pairing location structure of alignment pin and locating hole.Since upper shell and lower house between the two faying face through with material to mould the ultrasound wave interconnection technique integrally welded, and on both faying faces, set up welding and melted convex body, so just upper shell and lower house are connected into an integral body more firmly; This ultrasound wave interconnection technique of moulding has been mature technique; Production efficiency improved 100 times～150 times than hand assembled less than 0.9 second weld interval for average single product, and quality of connection is good simultaneously; Need not the cooling curing time; Welding deformation and residual stress are less, have improved the yield rate of product, have guaranteed product quality from structure.Aspect connectivity robustness; Use the connected mode of ultrasonic bonding to accomplish not have inside and outside defective, mechanical performance is higher than the soldered of connected body; Tool using almost can't not separate upper shell and lower house, can guarantee the quality guarantee period requirement in 5 years of product.So just can greatly improve production efficiency, reduce human cost, improve the quality of products.Between the faying face of lower house and upper shell, be provided with the supporting location structure of alignment pin and locating hole, be more conducive to motorization assembly between the two, greatly improved assembly process process, eliminated the influence of anthropic factor product quality.
[description of drawings]
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a decomposition texture sketch map of the present invention;
Fig. 3 is the structural representation of upper shell;
Fig. 4 is the A-A cutaway view among Fig. 3;
Fig. 5 is the B-B cutaway view among Fig. 3;
Fig. 6 is the structural representation of lower house;
Fig. 7 is the C-C cutaway view among Fig. 6;
Fig. 8 is the D-D cutaway view among Fig. 6;
Fig. 9 is the structural representation of slip pin piece;
Figure 10 is the schematic top plan view of Fig. 9;
Figure 11 looks sketch map for the left side of Fig. 9;
Among the figure: the 1-lower house; The 2-upper shell; 3-slip pin piece; The 4-back-moving spring; 5-needle point medicated cap; The 6-alignment pin; The 7-dowel hole; The 8-faying face; 9-welding fusing convex body; 11-spring card slot bottom; The 12-glidepath; 13-needle outlet bottom; 21-needle outlet top; Between the storage of 22-tabletting; The outlet of 23-tabletting; The last slide rail of 24-; 25-spring card slot top; The 31-needle body; 32-slide block body; 33-slide-and-guide bar; The 34-elastic pressuring plate; 35-spring deck; 51-hands handle; 52-needle point hole.
[specific embodiment]
Below in conjunction with description of drawings specific embodiments of the present invention:
The fixed disposable blood taking needle of a kind of split type welding; Like Fig. 1, shown in 2, it is made up of lower house 1, upper shell 2, slip pin piece 3, back-moving spring 4 and needle point medicated cap 5, wherein; Lower house 1 is like Fig. 3,4, shown in 5; It comprises spring card slot bottom 11, glidepath 12 and needle outlet bottom 13, and spring card slot bottom 11 is arranged at an end of lower house 1 inner chamber, and glidepath 12 is arranged at the both sides of lower house 1 inner chamber respectively; Needle outlet bottom 13 is arranged at the other end of lower house 1, and on two long faying faces 8 of lower house 1, be symmetrically distributed two alignment pins 6 and four root beads connect fusing convex body 9; Said upper shell 2 is like Fig. 6, Fig. 7 and shown in Figure 8; It comprises between the storage of needle outlet top 21, tabletting 22; Tabletting exports 23, goes up slide rail 24 and spring card slot top 25; Needle outlet top 21, to go up slide rail 24 corresponding with needle outlet bottom 13, glidepath 12 and spring card slot bottom 11 on the lower house 1 with residing position in upper shell 2, spring card slot top 25; 22 are close to 21 places, needle outlet top between tabletting storage, and tabletting outlet 23 is close between the tabletting storage 22, and are positioned between the tabletting storage 22 rear side; Two dowel holes 7 of symmetrical distribution on two long faying faces 8 of upper shell 2, alignment pin 6 present positions on their residing positions and the lower house 1 are suitable; Said slip pin piece 3 is like Fig. 9, Figure 10 and shown in Figure 11, and it comprises needle body 31, slide block body 32, slide-and-guide bar 33, elastic pressuring plate 34 and spring deck 35, and needle body 31 die casting are in slide body 32; Slide body 32 is stretched out at the needle point position of needle body 31, and slide-and-guide bar 33 is arranged on the left and right sides face of slide body 32, and elastic pressuring plate 34 is arranged at the upper surface of slide body 32; Spring deck 35 is arranged at the other end of slide body 32, and an end of back-moving spring 4 is sheathed on the spring deck 35, and an end of said needle point medicated cap 5 is provided with handle 51; Its other end is provided with needle point hole 52; Needle point medicated cap 5 is sleeved on through needle point hole 52 on the tip portion of needle body 31 in the slip pin piece 3, and needle point medicated cap 5 links into an integrated entity with slip pin piece 3, and needle point medicated cap 5 is placed in the inner chamber of lower house 1 with the coalition of slip pin piece 3; The other end of back-moving spring 4 is stuck among the spring card slot bottom 11; Slide-and-guide bar 33 is positioned at the upper end of glidepath 12, and elastic pressuring plate 34 is put up, and the handle 51 of needle point medicated cap 5 is in the outside of lower house 1; Alignment pin 6 is corresponding with dowel hole 7 on upper shell 2 and the lower house 1, links into an integrated entity through welding fusing convex body 9 behind the settling position.
In force, after lower house 1 and upper shell 2 welding were good, hands pinched the handle 51 of needle point medicated cap 5; Elder generation's Rotate 180 °, and then promote to inside makes between the tablettings storage of elastic pressuring plate 34 in the upper shell 2 of slip pin piece 3 22 to pass tabletting outlet 23; At this moment, elastic pressuring plate 34 promptly is stuck in tabletting and exports 23 places, only needs during use needle point medicated cap 5 is extracted; With hands elastic pressuring plate 34 is depressed gently, slip pin piece 3 will travel forward between last slide rail 24 and glidepath 12 under the effect of spring 4 fast, and the finger completion that is fixed on the tip alignment people of the needle body 31 on the slip pin piece 3 punctures; Can point blood sampling; After using, the needle point of needle body 31 automatically retracts in the housing, and the needle point of needle body 31 just can not expose hurts sb.'s feelings.
Claims (8)
1. fixed disposable blood taking needle of split type welding, it is characterized in that: comprise lower house (1) and upper shell (2), upper shell (2) is arranged on the top of lower house (1), and both faying faces are fixedly connected through welding manner and are integral.
2. the fixed disposable blood taking needle of split type welding according to claim 1 is characterized in that: upper shell (2) is fixedly connected through the ultrasonic mode that connects with the material wave soldering at faying face (8) with lower house (1) and is integral.
3. the fixed disposable blood taking needle of split type welding according to claim 1 is characterized in that: the location structure that cooperates that between the faying face (8) of upper shell (2) and lower house (1), is provided with alignment pin (6) and dowel hole (7).
4. the fixed disposable blood taking needle of split type welding according to claim 3; It is characterized in that: alignment pin (6) is arranged on the faying face (8) of lower house (1); The quantity of alignment pin (6) is more than two; Dowel hole (7) is arranged on the faying face (8) of upper shell (2), and the alignment pin (6) on its quantity and present position and the lower house (1) matches.
5. the fixed disposable blood taking needle of split type welding according to claim 3; It is characterized in that: alignment pin (6) is arranged on the faying face (8) of upper shell (2); The quantity of alignment pin (6) is more than two; Dowel hole (7) is arranged on the faying face (8) of lower house (1), and the alignment pin (6) on its quantity and present position and the upper shell (2) matches.
6. the fixed disposable blood taking needle of split type welding according to claim 1; It is characterized in that: between the faying face (8) of upper shell (2) and lower house (1), be provided with welding fusing convex body (9), the material of welding fusing convex body (9) is all identical with the material of upper shell (2) and lower house (1).
7. the fixed disposable blood taking needle of split type welding according to claim 6 is characterized in that: the faying face (8) that said welding fusing convex body (9) is arranged on lower house (1) go up or the faying face (8) of upper shell (2) on.
8. according to the fixed disposable blood taking needle of the said split type welding of claim 1; It is characterized in that: also comprise slip pin piece (3), back-moving spring (4) and needle point medicated cap (5); In the inner chamber of lower house (1), be provided with spring card slot bottom (11) and glidepath (12), in lower house (1), be provided with a needle outlet bottom (13) with the corresponding end in spring card slot bottom (11); Said upper shell (2) comprises between needle outlet top (21), tabletting storage (22); Tabletting exports (23), goes up slide rail (24) and spring pressuring plate top (25); Needle outlet top (21), to go up slide rail (24) corresponding with lower house (1) with spring pressuring plate top (25) residing position in upper shell (2); (22) are close to needle outlet top (21) and locate between tabletting storage, and tabletting outlet (23) is close between the tabletting storage (22); Said slip pin piece (3) comprises needle body (31), slide block body (32), slide-and-guide bar (33), elastic pressuring plate (34) and spring deck (35), and needle body (31) die casting is in slide body (32), and an end of slide body (32) is stretched out at the needle point position of needle body (31); Slide-and-guide bar (33) is arranged on the left and right sides face of slide body (32); Elastic pressuring plate (34) is arranged at the upper surface of slide body (32), and spring deck (35) is arranged at the other end of slide body (32), and an end of back-moving spring (4) is enclosed within on the spring deck (35); One end of said needle point medicated cap (5) is provided with handle (51); The other end is provided with needle point hole (52), and needle point medicated cap (5) is fixedly connected through the middle needle body (31) of needle point hole (52) and slip pin piece (3), before not using; Needle point medicated cap (5) links into an integrated entity with slip pin piece (3); Needle point medicated cap (5) is positioned in the inner chamber of lower house (1) with the coalition of slip pin piece (3), and elastic pressuring plate (33) is put up, and the other end of back-moving spring (4) is stuck among the spring card slot bottom (11); Slider bar (32) is positioned at the upper end of glidepath (12), and the handle of needle point medicated cap (5) is in the outside of lower house (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210108007.6A CN102626313B (en) | 2012-04-13 | 2012-04-13 | Split welding fixed disposable blood taking needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210108007.6A CN102626313B (en) | 2012-04-13 | 2012-04-13 | Split welding fixed disposable blood taking needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102626313A true CN102626313A (en) | 2012-08-08 |
| CN102626313B CN102626313B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210108007.6A Active CN102626313B (en) | 2012-04-13 | 2012-04-13 | Split welding fixed disposable blood taking needle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050283094A1 (en) * | 2004-06-21 | 2005-12-22 | Detlef Thym | Disposable lancet and lancing cap combination for increased hygiene |
| US20070142854A1 (en) * | 2005-12-21 | 2007-06-21 | Stat Medical Devices, Inc. | Double-ended lancet, method and lancet device using the double-ended lancet, and method of assembling and/or making the double-ended lancet |
| CN101808580A (en) * | 2007-09-26 | 2010-08-18 | 霍夫曼-拉罗奇有限公司 | Lancet magazine |
| CN102238911A (en) * | 2008-12-04 | 2011-11-09 | 创业有限公司 | A lancing device |
| CN102245083A (en) * | 2008-12-08 | 2011-11-16 | 泰尔茂株式会社 | Puncture instrument |
| CN202604838U (en) * | 2012-04-13 | 2012-12-19 | 江苏健裕健康医疗器械有限公司 | Split type disposable blood taking needle fixed by welding |
-
2012
- 2012-04-13 CN CN201210108007.6A patent/CN102626313B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050283094A1 (en) * | 2004-06-21 | 2005-12-22 | Detlef Thym | Disposable lancet and lancing cap combination for increased hygiene |
| US20070142854A1 (en) * | 2005-12-21 | 2007-06-21 | Stat Medical Devices, Inc. | Double-ended lancet, method and lancet device using the double-ended lancet, and method of assembling and/or making the double-ended lancet |
| CN101808580A (en) * | 2007-09-26 | 2010-08-18 | 霍夫曼-拉罗奇有限公司 | Lancet magazine |
| CN102238911A (en) * | 2008-12-04 | 2011-11-09 | 创业有限公司 | A lancing device |
| CN102245083A (en) * | 2008-12-08 | 2011-11-16 | 泰尔茂株式会社 | Puncture instrument |
| CN202604838U (en) * | 2012-04-13 | 2012-12-19 | 江苏健裕健康医疗器械有限公司 | Split type disposable blood taking needle fixed by welding |
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| CN102626313B (en) | 2015-04-22 |
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