CN208726454U - Anti-stabbing syringe needle - Google Patents
Anti-stabbing syringe needle Download PDFInfo
- Publication number
- CN208726454U CN208726454U CN201820851024.1U CN201820851024U CN208726454U CN 208726454 U CN208726454 U CN 208726454U CN 201820851024 U CN201820851024 U CN 201820851024U CN 208726454 U CN208726454 U CN 208726454U
- Authority
- CN
- China
- Prior art keywords
- hole
- sliding block
- spring
- needle
- pilot hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to Anti-stabbing syringe needle, including needle stand, needle body, needle cap, sleeve and catheter, it is axially arranged with pilot hole in sleeve, is equipped with sliding block in pilot hole, needle body is affixed with sliding block；Needle stand is equipped with through-hole A, and through-hole A and pilot hole are coaxial, communicate inside through-hole A and pilot hole；Catheter front end passes through through-hole A and puts in pilot hole and connect with sliding block, and equipped with liquid-conveying ducts inside sliding block, needle body, liquid-conveying ducts are communicated inside catheter；The spring A for moving backward sliding block is axially arranged in pilot hole, pilot hole inner wall is equipped with step, and sliding block outer wall is equipped with elastic slice, and elastic slice free end withstands on anti-limited slip block on step and moves backward under the action of spring A；The sleeve is equipped with the pressing lever for pushing shrapnel, and the sleeve lateral wall is radially provided with through-hole B, and through-hole B is opposite with elastic slice, and pressing lever one end is put in through-hole B.The utility model needle body can bounce back, and structure is simple and convenient to operate, and can effectively prevent accidentally injuring and infecting when hand operation.
Description
Technical field
The utility model relates to care implement technical field more particularly to Anti-stabbing syringe needles.
Background technique
Injection of insulin treatment is a long-term process, and general sugar friend can select to be in voluntarily to inject.To reduce to skin
The loss and feeling of pain of skin, insulin syringe needle are all more tapering.It is insulin needle tip, thin, and it is different from the installation of general needle body,
When winning insulin syringe needle, it is easy to scratch the hand of operator when winning syringe needle, causes injury from sharp utensil, increase operator's infection
Risk.
Utility model content
The utility model is intended to provide Anti-stabbing syringe needle, retractable needle, and use is safe.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
Anti-stabbing syringe needle, including needle stand, needle body, needle cap, sleeve and catheter, the sleeve rear end and needle stand front end are solid
It connects, pilot hole is axially arranged in the sleeve, is equipped with sliding block in the pilot hole, sliding block is slidably matched with pilot hole；After needle body
It holds affixed with slip front；
The needle stand is equipped with through-hole A, and through-hole A and pilot hole are coaxial, communicate inside through-hole A and pilot hole；The drain
Pipe front end puts in pilot hole across through-hole A and connect with sliding block, and liquid-conveying ducts, the needle body, drain are equipped with inside the sliding block
It is communicated inside channel, catheter；The sum of length of the needle body and sliding block is less than the length of pilot hole；The needle body, sliding block with
The sum of length of catheter is greater than the sum of the length of pilot hole and through-hole A；
The spring A for moving backward sliding block is axially arranged in the pilot hole, the pilot hole inner wall is equipped with step,
The sliding block outer wall is equipped with elastic slice, and elastic slice free end withstands on anti-limited slip block on step and moves backward under the action of spring A；It is described
Sleeve is equipped with the pressing lever for pushing shrapnel, and the sleeve lateral wall is radially provided with through-hole B, and through-hole B is opposite with elastic slice, pressing
Bar one end is put in through-hole B.
Further, spring B is equipped in through-hole B, spring B is set in pressing lever, and pressing lever outer wall is equipped with rotary table, spring B
Outer end is connect with rotary table.
Wherein, catheter is slidably matched with through-hole A, and sealing ring is equipped between drain pipe outer wall and through-hole A inner wall.
Alternatively, catheter is affixed with needle stand, sliding block rear end is equipped with through-hole C, communicates inside the through-hole C and liquid-conveying ducts,
Catheter front end passes through through-hole C and puts in liquid-conveying ducts, and catheter is slidably matched with through-hole C.
Wherein, spring A covers on catheter, and spring A is extension spring, and the front end spring A is connect with sliding block rear end, spring A
Rear end is connect with pilot hole inner wall.
Alternatively, spring A covers on needle body, spring A is compressed spring, and the front end spring A is connect with pilot hole inner wall, spring A
Rear end is withstood on slip front face.
Further, the needle stand rear end is equipped with threaded hole, and threaded hole is coaxial with pilot hole.
Further, the needle stand outer wall is axially arranged with straight trough, and the length of straight trough is less than the length of needle stand, and straight trough front end is passed through
Threadneedle base front end face, straight trough are equipped with several along the circumferencial direction of needle stand at equal intervals；Needle cap rear end inner wall has to be adapted to straight trough
Fin.
Further, elastic slice and sliding block are integrally manufactured.
Further, sleeve and needle stand are integrally manufactured.
Compared with prior art, the utility model has the following beneficial effects:
The utility model needle body can bounce back, and structure is simple and convenient to operate, and can effectively prevent accidentally injuring and feeling when hand operation
Dye.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the outside drawing of the utility model after removing needle cap；
Fig. 4 is the schematic diagram of internal structure of sleeve when pressing pressing lever in embodiment 1；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Fig. 6 is the structural schematic diagram of needle body retraction after sleeve in embodiment 1；
Fig. 7 is the schematic diagram of internal structure of 2 middle sleeve of embodiment；
Fig. 8 is the structural schematic diagram of needle body retraction after sleeve in embodiment 2；
Fig. 9 is the schematic diagram of internal structure of 3 middle sleeve of embodiment；
In figure: 1- sleeve, 2- needle stand, 3- needle body, 4- pressing lever, 5- straight trough, 7- pilot hole, 8- sliding block, 9- catheter,
10- through-hole A, 11- spring A, 12- threaded hole, 13- sealing ring, 14- liquid-conveying ducts, 15- needle cap, 16- fin, 17- through-hole C,
41- through-hole B, 42- spring B, 43- elastic slice, 44- step, 45- rotary table.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with novel.
Embodiment 1
As shown in Figure 1, 2, 3, Anti-stabbing syringe needle disclosed in the present embodiment, including needle stand 2, needle body 3, needle cap 15,1 and of sleeve
Catheter 9,1 rear end of sleeve and 2 front end of needle stand are affixed, and sleeve 1 and needle stand are integrally manufactured.Pilot hole 7 is axially arranged in sleeve 1,
Sliding block 8 is equipped in pilot hole 7, sliding block 8 is slidably matched with pilot hole 7；3 rear end of needle body and 8 front end of sliding block are affixed；
Needle stand 2 is equipped with through-hole A10, and through-hole A10 and pilot hole 7 are coaxial, communicates inside through-hole A10 and pilot hole 7；Drain
9 front end of pipe puts in pilot hole 7 across through-hole A10 and connect with sliding block 8, and liquid-conveying ducts 14, needle body 3, drain are equipped with inside sliding block 8
It is communicated inside channel 14, catheter 9；The sum of length of needle body 3 and sliding block 8 is less than the length of pilot hole 7；Needle body 3, sliding block 8 with
The sum of length of catheter 9 is greater than the sum of the length of pilot hole 7 and through-hole A10；
The spring A11 for moving backward sliding block 8 is axially arranged in pilot hole 7,7 inner wall of pilot hole is equipped with step 44,
8 outer wall of sliding block is equipped with elastic slice 43, and elastic slice 43 and sliding block 8 are integrally manufactured.43 free end of elastic slice withstands on anti-limited slip block 8 on step 44 and exists
It is moved backward under the action of spring A11；Sleeve 1 be equipped with for push shrapnel 43 pressing lever 4,1 side wall of sleeve is radially provided with
Through-hole B41, through-hole B41 and elastic slice 43 are opposite, and 4 one end of pressing lever is put in through-hole B41.Spring B 42, bullet are equipped in through-hole B41
Spring B42 is set in pressing lever 4, and 4 outer wall of pressing lever is equipped with rotary table 45, and 42 outer end of spring B is connect with rotary table 45.In spring B 42
Under effect, under natural conditions, not extrusion elastic 43 of pressing lever 4.
2 outer wall of needle stand is axially arranged with straight trough 5, and the length of straight trough 5 is less than the length of needle stand 2, and needle stand 2 is run through in 5 front end of straight trough
Front end face, straight trough 5 are equipped with several along the circumferencial direction of needle stand 2 at equal intervals；15 rear end inner wall of needle cap have be adapted to straight trough 5 it is convex
Rib 16.When needle cap is covered on needle stand 2, fin 16 is located in straight trough 5.2 rear end of needle stand be equipped with threaded hole 12, threaded hole 12 with lead
Coaxial to hole 7, threaded hole 12 is convenient for connecting with novopen.
In the present embodiment, catheter 9 is slidably matched with through-hole A10, is equipped between 9 outer wall of catheter and through-hole A10 inner wall
Sealing ring 13.Wherein, spring A11 covers on catheter 9, and spring A11 is extension spring, and the front end spring A11 and 8 rear end of sliding block connect
It connects, the rear end spring A11 is connect with 7 inner wall of pilot hole.
In use, holding needle cap 15, the threaded hole 12 of needle stand 2 is aligned to the outlet end of novopen, then rotates needle cap
15, due to the effect of straight trough 5 and fin 16, to drive needle stand 2 to rotate together, so that needle stand 2 is mounted on novopen；
Then, needle cap 15 is removed along straight trough 5.When injection finishes, as shown in Figure 4,5, pressing lever 4,4 inner end diameter of pressing lever are pressed
To pushing shrapnel 43, elastic slice 43 is set to be detached from the limitation of step 44, sliding block 8 moves backward under the pulling force of spring A11, to drive
Needle body 3 and catheter 9 bounce back backward together.As shown in fig. 6, finally, needle body 3 is fully retracted in sleeve 1.It is rotated further by needle stand 2, on foot
Hand removes needle stand 2 and sleeve 1, and avoidable needle is stabbed.
Embodiment 2
The present embodiment the difference from embodiment 1 is that: it is sliding as shown in fig. 7, catheter 9 and needle stand 2 are affixed in the present embodiment
8 rear end of block is equipped with through-hole C17, communicates inside through-hole C17 and liquid-conveying ducts 14, and 9 front end of catheter passes through through-hole C17 and puts in drain
In channel 14, catheter 9 is slidably matched with through-hole C17.As shown in figure 8, when pressing pressing lever 4,4 inner end of pressing lever is radially pressed
Elastic slice 43 makes elastic slice 43 be detached from the limitation of step 44, and sliding block 8 moves backward under the pulling force of spring A11, to drive needle body 3
It bounces back backward.
Embodiment 3
The present embodiment and the difference of embodiment 1 or 2 are: as shown in figure 9, spring A11 is covered in needle body 3 in the present embodiment
On, spring A11 is compressed spring, and the front end spring A11 is connect with 7 inner wall of pilot hole, and the rear end spring A11 withstands on 8 front end face of sliding block
On.When pressing pressing lever 4,4 inner end of pressing lever radially pushes shrapnel 43, so that elastic slice 43 is detached from the limitation of step 44, sliding block 8 is in bullet
It is moved backward under the thrust of spring A11, so that needle body 3 be driven to be bounced back in sleeve 1 backward.
The utility model needle body can bounce back, and structure is simple and convenient to operate, and can effectively prevent accidentally injuring and infect.
Certainly, the utility model can also have other numerous embodiments, without departing substantially from the spirit of the present invention and its essence
In the case where, those skilled in the art can make various corresponding changes and modifications, but these according to the utility model
Corresponding changes and modifications all should belong to the protection scope of the utility model the attached claims.
Claims (10)
1. Anti-stabbing syringe needle, including needle stand (2), needle body (3) and needle cap (15), it is characterised in that: further include sleeve (1) and drain
It manages (9), sleeve (1) rear end and needle stand (2) front end are affixed, are axially arranged with pilot hole (7) in the sleeve (1), described to lead
Sliding block (8) are equipped with into hole (7), sliding block (8) is slidably matched with pilot hole (7)；Needle body (3) rear end and sliding block (8) front end are affixed；
The needle stand (2) is equipped with through-hole A (10), through-hole A (10) and pilot hole (7) coaxially, through-hole A (10) and pilot hole (7)
Inside communicates；Catheter (9) front end puts in pilot hole (7) across through-hole A (10) and connect with sliding block (8), the sliding block
(8) liquid-conveying ducts (14) are equipped with inside, the needle body (3), liquid-conveying ducts (14), catheter (9) inside communicate；The needle body
(3) it is less than the length of pilot hole (7) with the sum of the length of sliding block (8)；The needle body (3), sliding block (8) and catheter (9) length
The sum of degree is greater than the sum of the length of pilot hole (7) and through-hole A (10)；
The spring A (11) for moving backward sliding block (8), pilot hole (7) inner wall are axially arranged in the pilot hole (7)
Equipped with step (44), sliding block (8) outer wall is equipped with elastic slice (43), and elastic slice (43) free end withstands on anti-limited slip block on step (44)
(8) it is moved backward under the action of spring A (11)；The sleeve (1) is equipped with for the pressing lever (4) of (43) of pushing shrapnel,
Sleeve (1) side wall is radially provided with through-hole B (41), and relatively, pressing lever (4) one end puts in logical for through-hole B (41) and elastic slice (43)
In hole B (41).
2. Anti-stabbing syringe needle according to claim 1, it is characterised in that: be equipped with spring B (42) in through-hole B (41), spring B
(42) it is set in pressing lever (4), pressing lever (4) outer wall is equipped with rotary table (45), and spring B (42) outer end is connect with rotary table (45).
3. Anti-stabbing syringe needle according to claim 1, it is characterised in that: catheter (9) is slidably matched with through-hole A (10),
Sealing ring (13) are equipped between catheter (9) outer wall and through-hole A (10) inner wall.
4. Anti-stabbing syringe needle according to claim 1, it is characterised in that: catheter (9) and needle stand (2) are affixed, sliding block (8)
Rear end is equipped with through-hole C (17), communicates inside the through-hole C (17) and liquid-conveying ducts (14), catheter (9) front end passes through through-hole C
(17) it puts in liquid-conveying ducts (14), catheter (9) is slidably matched with through-hole C (17).
5. Anti-stabbing syringe needle according to claim 1, it is characterised in that: spring A (11) covers on catheter (9), spring A
It (11) is extension spring, (11) front end spring A is connect with sliding block (8) rear end, and (11) rear end spring A and pilot hole (7) inner wall connect
It connects.
6. Anti-stabbing syringe needle according to claim 1, it is characterised in that: spring A (11) covers on needle body (3), spring A
It (11) is compressed spring, (11) front end spring A is connect with pilot hole (7) inner wall, and spring A (11) rear end withstands on sliding block (8) front end
On face.
7. Anti-stabbing syringe needle according to claim 1, it is characterised in that: needle stand (2) rear end is equipped with threaded hole (12),
Threaded hole (12) and pilot hole (7) are coaxial.
8. Anti-stabbing syringe needle according to claim 1 or claim 7, it is characterised in that: needle stand (2) outer wall is axially arranged with straight trough
(5), the length of straight trough (5) is less than the length of needle stand (2), and needle stand (2) front end face is run through in straight trough (5) front end, and straight trough (5) is along needle stand
(2) circumferencial direction is equipped with several at equal intervals；Needle cap (15) rear end inner wall has the fin (16) being adapted to straight trough (5).
9. Anti-stabbing syringe needle according to claim 1, it is characterised in that: elastic slice (43) and sliding block (8) are integrally manufactured.
10. Anti-stabbing syringe needle according to claim 1, it is characterised in that: sleeve (1) and needle stand are integrally manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851024.1U CN208726454U (en) | 2018-06-01 | 2018-06-01 | Anti-stabbing syringe needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851024.1U CN208726454U (en) | 2018-06-01 | 2018-06-01 | Anti-stabbing syringe needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208726454U true CN208726454U (en) | 2019-04-12 |
Family
ID=66023345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820851024.1U Expired - Fee Related CN208726454U (en) | 2018-06-01 | 2018-06-01 | Anti-stabbing syringe needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208726454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812618A (en) * | 2019-11-14 | 2020-02-21 | 湛江健力源医疗用品有限公司 | Puncture-proof injection needle with elastic sheath |
| WO2021093709A1 (en) * | 2019-11-14 | 2021-05-20 | 湛江健力源医疗用品有限公司 | Stab-preventing injection needle and stab-preventing injector with elastic protective cap |
-
2018
- 2018-06-01 CN CN201820851024.1U patent/CN208726454U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110812618A (en) * | 2019-11-14 | 2020-02-21 | 湛江健力源医疗用品有限公司 | Puncture-proof injection needle with elastic sheath |
| CN110812618B (en) * | 2019-11-14 | 2020-09-08 | 湛江健力源医疗用品有限公司 | Puncture-proof injection needle with elastic sheath |
| WO2021093709A1 (en) * | 2019-11-14 | 2021-05-20 | 湛江健力源医疗用品有限公司 | Stab-preventing injection needle and stab-preventing injector with elastic protective cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190412 Termination date: 20200601 |