CN221084349U - Injector with quantitative injection function - Google Patents
Injector with quantitative injection function Download PDFInfo
- Publication number
- CN221084349U CN221084349U CN202321776295.2U CN202321776295U CN221084349U CN 221084349 U CN221084349 U CN 221084349U CN 202321776295 U CN202321776295 U CN 202321776295U CN 221084349 U CN221084349 U CN 221084349U
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- CN
- China
- Prior art keywords
- guide rod
- fixedly connected
- injector
- piston
- guide arm
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- 238000002347 injection Methods 0.000 title claims abstract description 42
- 239000007924 injection Substances 0.000 title claims abstract description 42
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 244000309464 bull Species 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an injector with a quantitative injection function, which comprises a barrel, wherein one end of the barrel is provided with an end cover, one side of the end cover is movably connected with a guide rod, one end of the guide rod penetrates through the end cover and is fixedly connected with a piston, the piston is attached to the inner wall of the barrel, the other end of the guide rod is fixedly connected with a pushing handle, one side of the guide rod is provided with scale marks, the upper surface of the guide rod is provided with a positioning part for controlling the moving distance of the guide rod, the positioning part is a positioning block, and the upper surface of the guide rod is provided with a sliding opening. The utility model can not only move the piston through the guide rod and ensure higher sensitivity and feeding efficiency of a feeding mode, but also determine the feeding amount of the piston through the distance between the positioning block and the stop block to finish quantitative injection, and can also prevent the phenomenon of excessive injection caused by misoperation because a user cannot continuously push the guide rod through the cooperation of the positioning block and the stop block.
Description
Technical Field
The utility model relates to the technical field of syringes, in particular to a syringe with a quantitative injection function.
Background
The syringe is a common medical appliance, and the process of extracting and injecting gas or liquid by a needle is called injection, and consists of a needle cylinder with a small hole at the front end and a matched piston core rod, so as to inject a small amount of liquid or the liquid into areas inaccessible to other methods or extract the liquid or the gas from the places, wherein the liquid or the gas is sucked from the small hole at the front end of the needle cylinder when the core rod is pulled out, the liquid or the gas is extruded when the core rod is pushed in, and the syringe has wide application in medical treatment, biological research and the like.
Through searching, the patent with publication number CN216934295U discloses an accurate quantitative spiral injector, which relates to the technical field of injectors, and the patent can realize quantitative injection through moving a plunger by rotating a screw rod and then rotating a corresponding numerical value by a pointer, but has the following problems: the transmission efficiency is lower through screw rod pivoted mode, needs to use the twist grip that the personnel was not stopped, and screw rod pivoted frictional force is great moreover, and the sensitivity that the plunger fed is not high to the user is easy because of the attention is not concentrated, appears the maloperation, appears the condition emergence of multiturn to the screw rod, consequently, the skilled in the art, personnel provide an syringe with quantitative injection function to solve the problem that proposes among the above-mentioned background art.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a syringe with a quantitative injection function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides an injector with ration injection function, includes the barrel, the one end of barrel is equipped with the end cover, and one side swing joint of end cover has the guide arm, and the one end of guide arm passes the end cover and fixedly connected with piston, and the piston is laminated with the inner wall of barrel mutually, the other end fixedly connected with push away the handle of guide arm, one side of guide arm is equipped with the scale mark, the upper surface of guide arm is equipped with the locating part of its travel distance of control.
As a still further scheme of the utility model, the positioning part is a positioning block, a sliding opening is formed in the upper surface of the guide rod, the positioning block is movably connected in the sliding opening, one side of the positioning block is fixedly connected with a pointer, the pointer corresponds to a scale mark, one side of the end cover is fixedly connected with a stop block, the positioning block can be contacted with the stop block, and a limiting part for fixing the positioning block is arranged in the sliding opening.
As a still further scheme of the utility model, the limiting part is a magnetic strip, one side of the push handle is movably connected with a rotating rod, one end of the rotating rod penetrates through the push handle and the guide rod and is fixedly connected with the magnetic strip, the magnetic strip is positioned in the sliding opening and is adsorbed with the positioning block, the circumferential outer wall of the rotating rod is movably connected with a torsion spring, and two ends of the torsion spring are respectively fixed with the rotating rod and the push handle.
As a still further scheme of the utility model, one end of the rotating rod is fixedly connected with a rotating block.
As a still further proposal of the utility model, the circumferential outer wall of the cylinder body is provided with a thread groove, and the end cover is in threaded connection with the thread groove.
As a still further scheme of the utility model, the circumference outer wall of the cylinder body is fixedly connected with an anti-skid sleeve.
As a still further scheme of the utility model, one end of the cylinder body is provided with an injection head.
The beneficial effects of the utility model are as follows:
1. Through the setting of installation guide arm on the piston, the user can promote the guide arm, makes the piston remove through the guide arm, makes the liquid medicine accomplish the injection through the injection head under the effect of piston, makes the sensitivity and the feed efficiency of feeding mode higher, avoids adopting the screw rod to rotate the mode that drives the injection and makes the sensitivity that the plunger fed not high, and the lower condition of transmission efficiency takes place.
2. Through the setting of installing the locating piece on the guide arm, when the quantitative injection is needed, adjust the distance between locating piece and the dog, and then confirm the distance that the piston moved, then drive the locating piece and remove at the removal in-process of guide arm, the locating piece slowly moves to contact with the dog, through the dog to the blocking of locating piece, and then make the guide arm stop moving, confirm the feed volume of piston through the distance that the locating piece moved to between the dog, accomplish quantitative injection, improve the convenience of syringe quantitative injection.
3. Through the setting of installation magnetic stripe on the bull stick, rotate the bull stick and make the magnetic stripe be the horizontality and break away from with the locating piece, the torsional spring produces deformation simultaneously, can conveniently remove the locating piece, after confirming the position of locating piece, loosen the bull stick, the torsional spring resilience resets and makes the magnetic stripe adsorb with the locating piece again to the position after fixed locating piece removes makes the fixed mode better nimble.
4. Through the cooperation of locating piece and dog, the user only need according to actual injection volume, adjusts the distance of locating piece and dog, promotes the guide arm and makes locating piece and dog contact after the adjustment, under the effect of dog, the user can't continuously promote the guide arm, and then avoids the maloperation, and takes place the phenomenon of excessive injection.
Drawings
Fig. 1 is a schematic perspective view of a syringe with a quantitative injection function according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a syringe with a quantitative injection function according to the present utility model;
Fig. 3 is a schematic view showing a partial sectional structure of a syringe with a quantitative injection function according to the present utility model.
In the figure: 1. a cylinder; 2. an end cap; 3. scale marks; 4. a pushing handle; 5. a rotating block; 6. a rotating rod; 7. a torsion spring; 8. a guide rod; 9. a sliding port; 10. an anti-skid sleeve; 11. a thread groove; 12. an injection head; 13. a piston; 14. a magnetic stripe; 15. a pointer; 16. a stop block; 17. and (5) positioning blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. It should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, unless explicitly stated or defined otherwise, and that the particular meaning of such terms in this patent will be understood by those of ordinary skill in the art, as appropriate.
Referring to fig. 1-3, an injector with quantitative injection function comprises a barrel 1, wherein one end of the barrel 1 is provided with an end cover 2, one side of the end cover 2 is slidably connected with a guide rod 8, one end of the guide rod 8 penetrates through the end cover 2 and is adhered with a piston 13, the piston 13 is attached to the inner wall of the barrel 1, the other end of the guide rod 8 is fixedly provided with a push handle 4 through a bolt, the piston 13 is driven to move in the barrel 1 by pushing the guide rod 8, further injection is completed, one side of the guide rod 8 is provided with a scale mark 3, and the upper surface of the guide rod 8 is provided with a positioning component for controlling the moving distance of the guide rod 8.
In the utility model, the positioning part is a positioning block 17, the upper surface of the guide rod 8 is provided with a sliding opening 9, the sliding opening 9 is connected with the positioning block 17 in a sliding way, one side of the positioning block 17 is adhered with a pointer 15, the pointer 15 corresponds to the scale mark 3, one side of the end cover 2 is adhered with a stop block 16, the positioning block 17 can be contacted with the stop block 16, the distance between the positioning block 17 and the stop block 16 is determined according to the position of the pointer 15 corresponding to the scale mark 3, when quantitative injection is needed, the distance between the positioning block 17 and the stop block 16 is adjusted, the moving distance of the piston 13 is further determined, then the positioning block 17 is driven to move in the moving process of the guide rod 8, the positioning block 17 is slowly moved to be contacted with the stop block 16, the guide rod 8 is stopped from moving through the stop block 16, the feeding amount of the piston 13 is determined according to the distance between the positioning block 17 and the stop block 16, the quantitative injection is completed, the limiting part fixed to the positioning block 17 is arranged in the sliding opening 9, the limiting part is the magnetic strip 14, one side of the pushing handle 4 is rotationally connected with the rotating rod 6, one end of the rotating rod 6 penetrates through the pushing handle 4 and the guide rod 8 and is fixedly provided with the magnetic strip 14 through bolts, the magnetic strip 14 is positioned in the sliding opening 9 and is adsorbed with the positioning block 17, the torsion spring 7 is sleeved on the circumferential outer wall of the rotating rod 6, two ends of the torsion spring 7 are respectively fixed with the rotating rod 6 and the pushing handle 4, the rotating rod 6 enables the magnetic strip 14 to be in a horizontal state and separate from the positioning block 17, meanwhile, the torsion spring 7 deforms, the positioning block 17 can be conveniently moved, after the position of the positioning block 17 is determined, the rotating rod 6 is loosened, and the torsion spring 7 is rebounded to enable the magnetic strip 14 to be adsorbed with the positioning block 17 again, so that the position after the positioning block 17 is moved is fixed.
In particular, the one end of bull stick 6 is fixed with the commentaries on classics piece 5 through the bolt fastening, and the user rotates the commentaries on classics piece 5 through rotating and conveniently rotates bull stick 6, and thread groove 11 has been seted up to the circumference outer wall of barrel 1, and end cover 2 and thread groove 11 threaded connection, rotate end cover 2 and can take off end cover 2 from barrel 1, the circumference outer wall of barrel 1 bonds and has anti-skidding cover 10, and the user holds barrel 1 surface when the injection, then anti-skidding cover 10 can play the antiskid, then the other hand can promote pushing handle 4, and the one end of barrel 1 is equipped with injection head 12, and piston 13 promotes the liquid medicine and flows from injection head 12.
Working principle: when the injector is required to be used, the rotating rod 6 rotates to enable the magnetic stripe 14 to be in a horizontal state and separate from the positioning block 17, meanwhile, the torsion spring 7 deforms, then the positioning block 17 moves to one side along the sliding opening 9, after the positioning block 17 moves to a proper position, the distance between the positioning block 17 and the stop block 16 is determined through the position of the pointer 15 corresponding to the scale mark 3, then the rotating rod 6 is loosened, the torsion spring 7 rebounds to enable the magnetic stripe 14 to be adsorbed with the positioning block 17 again, the position after the positioning block 17 moves is further fixed, then the guide rod 8 is pushed, the piston 13 is moved through the guide rod 8, the injection is completed under the action of the piston 13, the positioning block 17 is driven to move in the moving process of the guide rod 8, the positioning block 17 slowly moves to be in contact with the stop block 16, the guide rod 8 stops moving, the feeding amount of the piston 13 is determined through the distance between the positioning block 17 and the stop block 16, quantitative injection is achieved, and according to the actual injection amount, the distance between the positioning block 17 and the stop block 16 can be flexibly adjusted, and the positioning injection process is enabled to be better and more convenient.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides an injector with ration injection function, includes barrel (1), its characterized in that, the one end of barrel (1) is equipped with end cover (2), and one side swing joint of end cover (2) has guide arm (8), and one side fixedly connected with piston (13) are passed to one end of guide arm (8), and piston (13) are laminated with the inner wall of barrel (1) mutually, the other end fixedly connected with of guide arm (8) pushes away handle (4), one side of guide arm (8) is equipped with scale mark (3), the upper surface of guide arm (8) is equipped with the locating part of its travel distance of control, the locating part is locating piece (17), slide opening (9) have been seted up to the upper surface of guide arm (8), and swing joint has locating piece (17) in slide opening (9), one side fixedly connected with pointer (15) of locating piece (17), and pointer (15) are corresponding with scale mark (3), one side fixedly connected with dog (16) of end cover (2), and dog (16) contactable, be equipped with limit part to locating piece (17) in slide opening (9).
2. The injector with the quantitative injection function according to claim 1, wherein the limiting component is a magnetic strip (14), one side of the push handle (4) is movably connected with a rotating rod (6), one end of the rotating rod (6) penetrates through the push handle (4) and the guide rod (8) and is fixedly connected with the magnetic strip (14), the magnetic strip (14) is located in the sliding opening (9) and is adsorbed with the positioning block (17), the circumferential outer wall of the rotating rod (6) is movably connected with a torsion spring (7), and two ends of the torsion spring (7) are respectively fixed with the rotating rod (6) and the push handle (4).
3. The injector with the quantitative injection function according to claim 2, wherein one end of the rotating rod (6) is fixedly connected with a rotating block (5).
4. The injector with the quantitative injection function according to claim 1, wherein the circumferential outer wall of the cylinder (1) is provided with a thread groove (11), and the end cover (2) is in threaded connection with the thread groove (11).
5. The injector with the quantitative injection function according to claim 1, wherein the circumference outer wall of the cylinder (1) is fixedly connected with an anti-skid sleeve (10).
6. Syringe with quantitative injection function according to claim 1, characterized in that one end of the cylinder (1) is provided with an injection head (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321776295.2U CN221084349U (en) | 2023-07-07 | 2023-07-07 | Injector with quantitative injection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321776295.2U CN221084349U (en) | 2023-07-07 | 2023-07-07 | Injector with quantitative injection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221084349U true CN221084349U (en) | 2024-06-07 |
Family
ID=91305815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321776295.2U Active CN221084349U (en) | 2023-07-07 | 2023-07-07 | Injector with quantitative injection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221084349U (en) |
-
2023
- 2023-07-07 CN CN202321776295.2U patent/CN221084349U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |