CN219185311U - Disposable screw structure syringe - Google Patents
Disposable screw structure syringe Download PDFInfo
- Publication number
- CN219185311U CN219185311U CN202221919854.6U CN202221919854U CN219185311U CN 219185311 U CN219185311 U CN 219185311U CN 202221919854 U CN202221919854 U CN 202221919854U CN 219185311 U CN219185311 U CN 219185311U
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- CN
- China
- Prior art keywords
- syringe
- screw structure
- cylinder
- needle
- connecting rod
- 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.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 208000012260 Accidental injury Diseases 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 5
- 206010011409 Cross infection Diseases 0.000 abstract description 3
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a disposable injector with a screw structure, which comprises an injection cylinder, holding blocks, a piston push rod and a needle head, wherein the holding blocks are arranged at the bottom end of the injection cylinder, the piston push rod is inserted into an inner cavity of the injection cylinder, the needle head is screwed at the top end of the injection cylinder, connecting rods are arranged at the top ends of the left side and the right side of the injection cylinder, a sliding groove is formed in the bottom end of the inner side of the connecting rod, a cylinder is arranged at the top ends of the left side and the right side of the injection cylinder and positioned in the sliding groove, a rectangular sleeve block matched with the sliding groove is arranged on the outer wall of the cylinder, and a protective cap is arranged at the top end of the inner side of the connecting rod and sleeved at the top of the outer wall of the needle head. This disposable screw structure syringe can realize playing the needle cover and protect, avoids the processing personnel to cause accidental injury or cross infection when the clearance, and easy operation is safe, has satisfied medical personnel's user demand.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a disposable injector with a screw structure.
Background
The advent of syringes, which are a very new generation of medical devices, and which are composed of a cylinder with a small hole at the front end and a matched plunger rod for injecting a small amount of liquid or drawing it out from a place inaccessible to other methods, and which are sucked through the small hole at the front end of the cylinder when the rod is drawn out and are extruded when the rod is pushed in, is called injection.
The existing injector is also provided with a plurality of problems, such as the patent number 2021217253756, which comprises an injector needle tube and an extension tube body, wherein the injector needle tube is of a tubular structure with an opening in the inside, the top end of the injector needle tube is fixedly communicated with an injector nipple, the outer surface of the injector nipple is provided with a first thread, the inside of the injector needle tube is slidably connected with a rubber piston, the injector is prevented from falling off, but the needle head of the injector after use is always exposed, when a processor cleans the injector, accidental injury is easily caused, and cross infection is seriously caused, so that the injector with the disposable screw structure is designed.
Disclosure of Invention
The utility model aims to solve the technical problems in the prior art and provides a disposable screw structure injector.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a disposable screw structure syringe, includes the syringe, holds piece, piston push rod and syringe needle, the syringe bottom is provided with the piece of holding, the syringe inner chamber is pegged graft and is had the piston push rod, syringe top spiro union has the syringe needle, syringe left and right sides top all is provided with the connecting rod, the spout has been seted up to the inboard bottom of connecting rod, the cylinder is installed on syringe left and right sides top in the spout, the cylinder outer wall is provided with the rectangle cover piece with spout assorted, the protection cap is installed on the inboard top of connecting rod and cover at the outer wall top of syringe needle.
In a preferred embodiment, the connecting rods are arranged in an "L" shape.
In a preferred embodiment, the circumference of the outer wall of the cylinder is provided with positioning grooves at intervals of ninety degrees clockwise.
In a preferred embodiment, the inner wall of the rectangular sleeve block corresponding to the positioning groove is provided with a containing groove, the inner cavity of the containing groove is clamped with a spring, the inner end of the spring is clamped with a positioning ball, and a part of the positioning ball extends into the inner cavity of the positioning groove.
In a preferred embodiment, the top end of the inner cavity of the sliding groove and the upper surface of the rectangular sleeve block are provided with permanent magnet sheets which are attracted to each other.
Compared with the prior art, the disposable screw structure injector provided by the utility model has the advantages that the protection cap is sleeved on the needle to prevent accidental injury during cleaning, when the disposable screw structure injector is required to be used, the connecting rod is pushed upwards and rotated ninety degrees, the connecting rod drives the protection cap to move upwards and rotate ninety degrees to separate from the needle head, the connecting rod exposes the needle head, the rectangular sleeve block is driven to rotate, the positioning ball is extruded to shrink into the accommodating groove, the positioning ball rotates ninety degrees to correspond to the positioning groove, the spring is pushed inwards to push the positioning ball into the positioning groove to fix the rectangular sleeve block again, the connecting rod is limited, the connecting rod is pushed to enable the sliding groove to be contacted with the permanent magnet iron sheet on the rectangular sleeve block, the connecting rod and the protection cap are fixed, so that the needle head cover can be protected, accidental injury or cross infection caused by a treating person during cleaning can be avoided, and the disposable screw structure injector is simple and safe to operate, and meets the use requirements of medical care personnel.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional front view of the connecting rod of FIG. 1;
fig. 3 is a right side cross-sectional structural schematic view of the rectangular sleeve block of fig. 2.
In the figure: 1. 2 parts of injection tube, 3 parts of holding block, 3 parts of piston push rod, 4 parts of needle, 5 parts of connecting rod, 6 parts of chute, 7 parts of cylinder, 8 parts of rectangular sleeve block, 9, a positioning groove 10, a containing groove 11, a spring 12, a positioning ball 13, a permanent magnet iron sheet 14 and a protective cap.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
The utility model discloses a disposable screw structure injector, which solves the technical problems in the prior art and has the following overall thought:
embodiment one:
see fig. 1-3; the utility model provides a disposable screw structure syringe, including syringe 1, hold piece 2, piston push rod 3 and syringe needle 4, syringe 1 bottom is provided with holds piece 2, syringe 1 inner chamber is pegged graft and is had piston push rod 3, syringe 1 top spiro union has syringe needle 4, syringe 1 left and right sides top all is provided with connecting rod 5, spout 6 has been seted up to the inboard bottom of connecting rod 5, syringe 1 left and right sides top is located spout 6 and installs cylinder 7, the cylinder 7 outer wall is provided with the rectangle cover piece 8 with spout 6 assorted, through the cooperation of spout 6 and rectangle cover piece 8, can make things convenient for the removal of connecting rod 5, the inner side top of connecting rod 5 is installed the helmet 14 and is overlapped at the outer wall top of syringe needle 4, can conveniently protect syringe needle 4 through the helmet 14.
In order to facilitate the protective cap 14 to be sleeved on the needle head 4, the connecting rod 5 is arranged in an L shape.
For the positioning between the rectangular sleeve block 8 and the cylinder 7, positioning grooves 9 are formed in the circumference of the outer wall of the cylinder 7 at intervals of ninety degrees clockwise.
In order to meet the requirements that the rectangular sleeve block 8 is fixedly positioned on the outer wall of the cylinder 7, the inner wall of the rectangular sleeve block 8 corresponding to the positioning groove 9 is provided with the accommodating groove 10, the inner cavity of the accommodating groove 10 is clamped with the spring 11, the inner end of the spring 11 is clamped with the positioning ball 12, a part of the positioning ball 12 extends into the inner cavity of the positioning groove 9, the rectangular sleeve block 8 can be fixedly positioned on the outer wall of the cylinder 7 through the cooperation of the positioning ball 12 and the positioning groove 9, the positioning ball 12 is extruded to shrink into the accommodating groove 10 in the rotating process of the rectangular sleeve block 8, the positioning ball 12 abuts against the outer wall of the cylinder 7, and when the positioning groove 9 corresponds to the positioning ball 12 again, the positioning ball 12 is pushed out inwards into the inner cavity of the positioning groove 9 under the elastic force of the spring 11.
In order to meet the fixation between the connecting rod 5 and the rectangular sleeve block 8, permanent magnet sheets 13 which are mutually attracted are arranged at the top end of the inner cavity of the sliding chute 6 and the upper surface of the rectangular sleeve block 8.
In the embodiment, when in use, the connecting rod 5 is pushed from the bottom of the connecting rod 5, the sliding groove 6 is separated from the permanent magnet piece 13 on the rectangular sleeve block 8, the connecting rod 5 drives the protective cap 14 to move upwards, the needle 4 is completely exposed, at the moment, the protective cap 14 is rotated to drive the connecting rod 5 to rotate, the connecting rod 5 drives the rectangular sleeve block 8 to rotate, the positioning ball 12 is extruded to shrink into the accommodating groove 10 when the rectangular sleeve block 8 rotates, the positioning ball 12 is abutted against the outer wall of the cylinder 7, after ninety degrees of rotation of the positioning ball 12 corresponds to the positioning groove 9 again, the positioning ball 12 is pushed inwards again to the inner cavity of the positioning groove 9 under the action of the elastic force of the spring 11, the rectangular sleeve block 8 can be repositioned and fixed, the connecting rod 5 and the protective cap 14 are limited after ninety degrees of rotation are promoted, the connecting rod 5 is pushed again, the permanent magnet piece 13 in the sliding groove 6 and the permanent magnet piece 13 on the rectangular sleeve block 8 are contacted and attracted together, after the use of the injection tube 1 is finished, the connecting rod 5 is pulled to the front side and is rotated ninety degrees to erect, the connecting rod 5 drives the protective cap 14 to move to correspond to the needle 4, the connecting rod 5 and the protective cap 14 are moved downwards, the protective cap 14 is sleeved on the needle 4 to protect, meanwhile, the permanent magnet iron sheets 13 in the sliding groove 6 are contacted and attracted with the permanent magnet iron sheets 13 on the rectangular sleeve block 8 to fix the connecting rod 5 and the protective cap 14, the device has a compact structure and reasonable design, the needle can be sleeved to protect, accidental injury is avoided when the needle is exposed, the protective cap and the injection tube are integrated, the protective cap can be prevented from being lost, and the protective cap and the needle are aligned to operate and install, so that medical staff can be prevented from touching the needle by mistake.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a disposable screw structure syringe, includes syringe (1), holds piece (2), piston push rod (3) and syringe needle (4), syringe (1) bottom is provided with holds piece (2), syringe (1) inner chamber grafting has piston push rod (3), syringe (1) top spiro union has syringe needle (4), its characterized in that: the injection syringe comprises a syringe body (1), wherein connecting rods (5) are arranged at the top ends of the left side and the right side of the syringe body (1), sliding grooves (6) are formed in the bottom ends of the inner sides of the connecting rods (5), a cylinder (7) is arranged in each sliding groove (6) at the top end of the left side and the right side of the syringe body (1), rectangular sleeve blocks (8) matched with the sliding grooves (6) are arranged on the outer walls of the cylinders (7), and protective caps (14) are arranged at the top ends of the inner sides of the connecting rods (5) and are sleeved on the top of the outer walls of the needle heads (4).
2. A single use screw structure syringe as defined in claim 1 wherein: the connecting rod (5) is L-shaped.
3. A single use screw structure syringe as defined in claim 1 wherein: the circumference of the outer wall of the cylinder (7) is provided with positioning grooves (9) at intervals of ninety degrees clockwise.
4. A single use screw structure syringe according to claim 3, wherein: the inner wall of the rectangular sleeve block (8) corresponding to the positioning groove (9) is provided with a containing groove (10), the inner cavity of the containing groove (10) is clamped with a spring (11), the inner end of the spring (11) is clamped with a positioning ball (12), and a part of the positioning ball (12) extends into the inner cavity of the positioning groove (9).
5. A single use screw structure syringe as defined in claim 1 wherein: permanent magnet iron sheets (13) which are attracted mutually are arranged at the top end of the inner cavity of the sliding groove (6) and the upper surface of the rectangular sleeve block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919854.6U CN219185311U (en) | 2022-07-22 | 2022-07-22 | Disposable screw structure syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919854.6U CN219185311U (en) | 2022-07-22 | 2022-07-22 | Disposable screw structure syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219185311U true CN219185311U (en) | 2023-06-16 |
Family
ID=86706831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221919854.6U Active CN219185311U (en) | 2022-07-22 | 2022-07-22 | Disposable screw structure syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219185311U (en) |
-
2022
- 2022-07-22 CN CN202221919854.6U patent/CN219185311U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A disposable screw structure syringe Granted publication date: 20230616 Pledgee: Bank of China Limited Taixing sub branch Pledgor: Jiangsu Zhiyu Medical Equipment Co.,Ltd. Registration number: Y2024980027856 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |