CN219783385U - Injection needle convenient to destroy - Google Patents
Injection needle convenient to destroy Download PDFInfo
- Publication number
- CN219783385U CN219783385U CN202222682382.3U CN202222682382U CN219783385U CN 219783385 U CN219783385 U CN 219783385U CN 202222682382 U CN202222682382 U CN 202222682382U CN 219783385 U CN219783385 U CN 219783385U
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- CN
- China
- Prior art keywords
- groove
- baffle
- limit
- spring
- needle
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- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 claims description 2
- 241000826860 Trapezium Species 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000670 limiting effect Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of syringes, in particular to an injection needle convenient to destroy, wherein a limit groove is formed in an auxiliary block, a limit ring matched with the limit groove is arranged at the lower end of a pressing plate, an annular clamping groove is formed in the outer wall of the limit ring, a groove is formed in the inner wall of the limit groove, a spring is arranged in the groove, one end of the spring is fixed in the groove, a clamping block matched with the annular clamping groove is arranged at the other end of the spring, and the clamping block is matched with the annular clamping groove, so that a limit effect can be provided for the limit ring in the limit groove through the mutual matching of the clamping block and the annular clamping groove, the limit ring cannot be separated from the limit groove, the position of the pressing plate is further fixed, the pressing plate cannot be pulled, the structure is destroyed, and the structure is prevented from being secondarily used.
Description
Technical Field
The utility model relates to the technical field of syringes, in particular to an injection needle convenient to destroy.
Background
As is well known, the syringes commonly used in the medical field, also called needles, consist essentially of a sheath, a plug and a core rod. The rubber plug is sleeved on the head of the core rod to form the core rod, and the core rod is arranged in the inner cavity of the outer sleeve and is mainly used for extracting or injecting liquid by a needle.
The existing disposable injection needle generally needs to be destroyed after being used, so that secondary use of the disposable injection needle is prevented, the push rod is broken off mostly after the injection needle is used, the purpose of destroying the syringe is achieved, the push rod is required to be pulled out again in the mode, the operation is complex, and the practicability is low.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides an injection needle which is convenient to destroy.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection needle convenient to destroy, includes the needle tubing, the lower extreme of needle tubing is equipped with the syringe needle, the upper end of needle tubing is equipped with a plurality of auxiliary blocks, auxiliary block symmetry installs on the outer wall of needle tubing, the inside of needle tubing is equipped with the plug, the upper end of plug is equipped with the push rod, the upper end of push rod is equipped with presses the board, be equipped with the spacing groove on the auxiliary block, the lower extreme of pressing the board is equipped with the spacing ring with spacing groove complex, be equipped with annular draw-in groove on the outer wall of spacing ring, be equipped with the recess on the inner wall of spacing groove, the inside of recess is equipped with the spring, the one end of spring is fixed in the inside of recess, the other end of spring is equipped with the fixture block with annular draw-in groove complex.
In order to improve the practicability of the clamping block, the utility model is improved in that the clamping block is of a trapezoid structure.
In order to improve the practicability of the structure, the utility model is improved in that the upper end of the auxiliary block is provided with a baffle plate, the baffle plate is positioned above the limit groove, and a detachable structure is arranged between the baffle plate and the auxiliary block.
In order to facilitate the installation of the baffle plate, the baffle plate is adhered to the upper end of the auxiliary block.
In order to make the installation of the baffle more firm, the utility model is improved in that the lower end of the baffle is provided with a plurality of positioning blocks, and the upper end of the auxiliary block is provided with a plurality of positioning grooves matched with the positioning blocks.
In order to improve the practicability of the baffle, the utility model is improved in that the baffle is made of PP plastic, and the two sides of the baffle are provided with poking sheets.
(III) beneficial effects
Compared with the prior art, the utility model provides an injection needle which is convenient to destroy, and comprises the following components
The beneficial effects are that:
this injection needle convenient to destroy, through the mutually supporting of fixture block and annular draw-in groove, can provide a spacing effect for the spacing ring in the inside of spacing groove, make the spacing ring can not break away from the spacing groove, and then fix according to the position of board, make according to the board can not be by the pulling to destroy this structure, prevent this structure by the secondary use, this structure need not pull out the push rod again when destroying, easy operation, the practicality is high, has saved the manual work.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a side view of FIG. 1 of the present utility model;
FIG. 3 is a cross-sectional view of a latch according to the present utility model;
in the figure: 1. a needle tube; 2. pressing the plate; 3. an auxiliary block; 4. a needle; 5. a baffle; 6. a positioning block; 7. a positioning groove; 8. a limit groove; 9. a clamping block; 10. a push rod; 11. a limiting ring; 12. an annular clamping groove; 13. a groove; 14. and (3) a spring.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the injection needle convenient to destroy comprises a needle tube 1, wherein the lower end of the needle tube 1 is provided with a needle head 4, the upper end of the needle tube 1 is provided with a plurality of auxiliary blocks 3, the auxiliary blocks 3 are symmetrically arranged on the outer wall of the needle tube 1, a rubber plug is arranged in the needle tube 1, the upper end of the rubber plug is provided with a push rod 10, the upper end of the push rod 10 is provided with a pressing plate 2, the auxiliary blocks 3 are provided with a limit groove 8, the lower end of the pressing plate 2 is provided with a limit ring 11 matched with the limit groove 8, the outer wall of the limit ring 11 is provided with an annular clamping groove 12, the inner wall of the limit groove 8 is provided with a groove 13, the inside of the groove 13 is provided with a spring 14, one end of the spring 14 is fixed in the inside of the groove 13, the other end of the spring 14 is provided with a clamping block 9 matched with the annular clamping groove 12, pressing the push rod 10 to drive the rubber plug to move in the needle tube 1, injection can be completed through the needle 4 at this moment, and specific description is not made here too much, after the injection is completed, the limiting ring 11 can enter the inside of the limiting groove 8, at this moment, the spring 14 can provide an elastic force for the clamping block 9, the clamping block 9 enters the inside of the annular clamping groove 12, through the mutual cooperation of the clamping block 9 and the annular clamping groove 12, a limiting effect can be provided for the limiting ring 11 in the inside of the limiting groove 8, the limiting ring 11 can not be separated from the limiting groove 8, and then the position of the push rod 2 is fixed, so that the push rod 2 can not be pulled, the structure is destroyed, the structure is prevented from being secondarily used, the push rod 10 does not need to be pulled out again when the structure is destroyed, the operation is simple, the practicality is high, and the labor is saved.
Further, the clamping block 9 is of a trapezoid structure, the upper end of the clamping block 9 of the trapezoid structure is of an inclined plane structure, and the bottom end of the clamping block 9 of the trapezoid structure is of a plane structure, so that when the limiting ring 11 enters the limiting groove 8, the clamping block 9 compresses the spring 14 at first, and the limiting ring 11 is matched with the limiting groove 8 more smoothly.
When this structure is in the in-process of transportation, if this structure is before using, spacing ring 11 just enters into the inside of spacing groove 8, can make this structure can not be used, the upper end of supplementary piece 3 is equipped with baffle 5, baffle 5 is located the top of spacing groove 8, be detachable construction between baffle 5 and the supplementary piece 3, can shelter from spacing groove 8 department through the baffle 5 that is equipped with, prevent this structure in the in-process of transportation that spacing ring 11 enters into the inside of spacing groove 8.
Further, in order to make the installation of the baffle 5 more convenient, the baffle 5 is adhered to the upper end of the auxiliary block 3, and the adhering mode has the advantages of simple operation and low cost.
Further, in order to make the installation of baffle 5 more firm, the lower extreme of baffle 5 is equipped with a plurality of locating pieces 6, the upper end of auxiliary block 3 is equipped with a plurality of and locating piece 6 complex constant head tank 7, through the mutually supporting of locating piece 6 and constant head tank 7, can provide a positioning action for baffle 5 at the upper end of auxiliary block 3, makes baffle 5 more firm at the upper end of auxiliary block 3.
In order to improve the practicality of baffle 5, the baffle 5 adopts the PP plastics, and the PP plastics has the advantage that the material is light, and hardness is high, just the both sides of baffle 5 are equipped with the plectrum, through the plectrum that is equipped with, are convenient for operate baffle 5.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides an injection needle convenient to destroy, includes needle tubing (1), the lower extreme of needle tubing (1) is equipped with syringe needle (4), the upper end of needle tubing (1) is equipped with a plurality of auxiliary blocks (3), auxiliary block (3) symmetry install on the outer wall of needle tubing (1), the inside of needle tubing (1) is equipped with the plug, the upper end of plug is equipped with push rod (10), the upper end of push rod (10) is equipped with presses board (2), its characterized in that: be equipped with spacing groove (8) on auxiliary block (3), be equipped with on the lower extreme of pressing board (2) with spacing groove (8) complex spacing ring (11), be equipped with annular draw-in groove (12) on the outer wall of spacing ring (11), be equipped with recess (13) on the inner wall of spacing groove (8), the inside of recess (13) is equipped with spring (14), the one end of spring (14) is fixed in the inside of recess (13), the other end of spring (14) is equipped with fixture block (9) with annular draw-in groove (12), fixture block (9) are trapezium structure, the upper end of auxiliary block (3) is equipped with baffle (5), baffle (5) are located the top of spacing groove (8), be detachable construction between baffle (5) and the auxiliary block (3), the lower extreme of baffle (5) is equipped with a plurality of locating pieces (6), the upper end of locating piece (3) is equipped with a plurality of and PP (6) complex locating pieces (7), and baffle (5) are equipped with both sides of baffle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222682382.3U CN219783385U (en) | 2022-10-12 | 2022-10-12 | Injection needle convenient to destroy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222682382.3U CN219783385U (en) | 2022-10-12 | 2022-10-12 | Injection needle convenient to destroy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219783385U true CN219783385U (en) | 2023-10-03 |
Family
ID=88184797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222682382.3U Active CN219783385U (en) | 2022-10-12 | 2022-10-12 | Injection needle convenient to destroy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219783385U (en) |
-
2022
- 2022-10-12 CN CN202222682382.3U patent/CN219783385U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |