High-pressure pneumatic injection instrument
By designing a detachable protective cover and handle fixing structure, the sanitary and cleanliness and space utilization problems of high-pressure pneumatic injectors are solved, achieving convenient disassembly and assembly and space-saving effects.
Patent Information
- Application Number
- CN202422139425.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The existing high-pressure pneumatic injectors lack a protective cover that is easy to disassemble, resulting in poor hygiene and cleanliness and is difficult to easily store and save space after use.
A detachable protective cover structure is designed to facilitate disassembly and assemble the protective cover by the fitting of the insert block and the clamp, and ensure stable movement of the clamp by the fitting of the chute and the spring. At the end of use, the handle is fixed by the rotation of the handle and the connecting rod, saving space.
It realizes the sanitary and cleanliness of high-pressure pneumatic injectors, which facilitates the disassembly and assembly and replacement of protective covers, and saves space after use.
Smart Images

Figure CN223183864U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of biomedical instruments, in particular to a high-pressure pneumatic injection instrument. Background Art
[0002] Injection refers to the use of medical devices such as syringes to inject liquids or gases into the human body for the purpose of diagnosing, treating, or preventing disease. Unlike medication, injection allows medication to quickly reach the bloodstream and take effect, making it a common medical procedure. High-pressure pneumatic syringes are a relatively advanced subcutaneous injection tool, offering advantages over traditional needle-operated syringes, such as being painless, safe, and infection-free.
[0003] The high-pressure pneumatic syringe in the prior art has some disadvantages. First, there is no easily detachable protective cover to protect the needle tube, and the hygiene and cleanliness level is poor. Second, after use, it cannot save space when put away. Utility Model Content
[0004] The purpose of the present invention is to provide a high-pressure pneumatic injection instrument to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-pressure pneumatic injection instrument, comprising a support plate and an injection instrument body, the support plate being arranged on one side of the injection instrument body, the front and rear parts of one end of the injection instrument body being provided with adjustment chambers, and a fixing plate being fixed in the middle of the adjusting chamber, a spring being fixed in the middle of the fixing plate, and both ends of the spring being connected with a clamping block, the upper and lower parts of one end of the injection instrument body being provided with slots, the upper and lower ends of one side of the support plate being provided with an inserting block, and the inserting block being clamped with the slot, and the clamping block being clamped with the inserting block, and a slider being connected to the clamping block.
[0006] Preferably, the surfaces of the front and rear parts of one end of the injection instrument body corresponding to the adjustment chamber are both provided with sliding grooves, and the sliding grooves are slidably connected to the slider.
[0007] Preferably, a needle tube is provided at one end of the injection instrument body, and a protective cover is provided on the outside of the needle tube.
[0008] Preferably, a relief cylinder is connected between one end of the support plate and one end of the protective cover, and a rubber ring is provided at the other end of the protective cover.
[0009] Preferably, a connecting seat is provided at the lower portion of the injection instrument body, and a handle is hinged in the connecting seat.
[0010] Preferably, a connecting rod is hinged at the front end of the connecting seat, and the rear portion of the lower end of the connecting rod is fixedly connected to the front portion of one end of the handle.
[0011] Preferably, a positioning column is provided at the front of the upper end of the connecting rod, and a threaded column is fixed at the rear of the positioning column.
[0012] Preferably, a track plate is provided at the front portion of the injector body corresponding to the connecting rod, and threaded holes are equidistantly provided in the track plate, and the threaded holes are threadedly matched with the threaded columns.
[0013] Compared with the prior art, the utility model has the following advantages: it is hygienic and clean, and is easy to store and save space;
[0014] (1) The slider can be pulled toward the middle to move the card block and compress the spring to make way for the insert block. The support plate is moved close to one side of the injection instrument body so that the insert block is inserted into the slot. Then the slider is released. Under the push of the spring, the card block is inserted into the insert block, which is convenient for disassembly and replacement of the protective cover through the support plate. In addition, the adjustment chamber limits the slider through the slide groove, which is conducive to the stable movement of the card block and avoids the card block from being misplaced and unable to be inserted into the insert block, which is hygienic and clean.
[0015] (2) After use, the handle can be rotated so that the handle is parallel to the syringe body, driving the connecting rod to rotate together. When the connecting rod rotates to the corresponding threaded hole, the threaded column can be screwed into the connecting rod, and the threaded column can be screwed into the threaded hole. This is conducive to fixing the position of the handle and saving space when it is put away. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the main structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the support plate and adjustment chamber structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the three-dimensional structure of the threaded column and the positioning column of the utility model;
[0020] In the figure: 1. Protective cover; 2. Support plate; 3. Injector body; 4. Adjustment chamber; 5. Threaded hole; 6. Track plate; 7. Positioning column; 8. Connecting rod; 9. Connecting seat; 10. Handle; 11. Rubber ring; 12. Needle tube; 13. Insert block; 14. Slot; 15. Block; 16. Spring; 17. Slider; 18. Slide groove; 19. Threaded column; 20. Clearance cylinder; 21. Fixing plate. DETAILED DESCRIPTION
[0021] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0022] See also Figure 1-4 , the utility model provides an embodiment: a high-pressure pneumatic injection instrument, including a support plate 2 and an injection instrument body 3, the support plate 2 is arranged on one side of the injection instrument body 3, the front and rear parts of one end of the injection instrument body 3 are provided with an adjustment chamber 4, and a fixing plate 21 is fixed in the middle of the adjusting chamber 4, a spring 16 is fixed in the middle of the fixing plate 21, and both ends of the spring 16 are connected with a clamping block 15, the upper and lower parts of one end of the injection instrument body 3 are provided with a slot 14, the upper and lower ends of one side of the support plate 2 are provided with an inserting block 13, and the inserting block 13 is clamped with the slot 14, and the clamping block 15 is clamped with the inserting block 13, and a slider 17 is connected to the clamping block 15;
[0023] When in use, the slider 17 can be pulled toward the middle, driving the block 15 to move and the spring 16 to compress, making way for the insert block 13, and the support plate 2 is moved close to one side of the syringe body 3 so that the insert block 13 is inserted into the slot 14. Then the slider 17 is released, and the block 15 is inserted into the insert block 13 under the push of the spring 16, which facilitates the disassembly and replacement of the protective cover 1 through the support plate 2;
[0024] The front and rear ends of one end of the syringe body 3 are provided with a slide groove 18 on the surface of the corresponding adjustment chamber 4, and the slide groove 18 is slidably connected to the slider 17;
[0025] When in use, the adjustment chamber 4 limits the slider 17 through the slide groove 18, which is conducive to the stable movement of the card block 15 and prevents the card block 15 from being misplaced and unable to be inserted into the insert block 13;
[0026] A needle tube 12 is provided at one end of the syringe body 3, and a protective cover 1 is provided outside the needle tube 12. A clearance cylinder 20 is connected between one end of the support plate 2 and one end of the protective cover 1. A rubber ring 11 is provided at the other end of the protective cover 1.
[0027] When in use, the syringe body 3 injects the liquid medicine into the human body through the needle tube 12. The protective cover 1 can protect the needle tube 12. The rubber ring 11 feels comfortable and can increase the friction between the skin and the protective cover 1, which is conducive to the stable injection of the needle tube 12.
[0028] A connecting seat 9 is provided at the lower part of the injection instrument body 3, and a handle 10 is hinged in the connecting seat 9. A connecting rod 8 is hinged at the front end of the connecting seat 9, and the rear part of the lower end of the connecting rod 8 is fixedly connected to the front part of one end of the handle 10;
[0029] When in use, after use, the handle 10 can be rotated so that the handle 10 is parallel to the syringe body 3, driving the connecting rod 8 to rotate together;
[0030] A positioning column 7 is provided at the front of the upper end of the connecting rod 8, and a threaded column 19 is fixed to the rear of the positioning column 7. A track plate 6 is provided at the front of the injection instrument body 3 corresponding to the connecting rod 8, and threaded holes 5 are equidistantly provided in the track plate 6, and the threaded holes 5 are threadedly engaged with the threaded column 19;
[0031] When in use, the connecting rod 8 is rotated to the corresponding threaded hole 5, and the threaded column 19 can be screwed into the connecting rod 8, so that the threaded column 19 is screwed into the threaded hole 5, which is conducive to fixing the position of the handle 10;
[0032] When the embodiment of the present application is in use: first, the slider 17 can be pulled toward the middle, driving the block 15 to move and the spring 16 to compress, making way for the insert block 13, and the support plate 2 is close to one side of the injection instrument body 3, so that the insert block 13 is inserted into the slot 14, and then the slider 17 is released. Under the push of the spring 16, the block 15 is inserted into the insert block 13, which is convenient for disassembly and replacement of the protective cover 1 through the support plate 2, and the adjustment chamber 4 limits the slider 17 through the slide groove 18, which is convenient for the stable movement of the block 15 and avoids the block 15 from being misplaced and unable to be inserted into the insert block 13. Then, the injection instrument body is The body 3 injects the drug solution into the human body through the needle tube 12. The protective cover 1 can protect the needle tube 12. The rubber ring 11 feels comfortable and can increase the friction between the skin and the protective cover 1, which is beneficial to the stable injection of the needle tube 12. Afterwards, at the end of use, the handle 10 can be rotated so that the handle 10 is parallel to the syringe body 3, driving the connecting rod 8 to rotate together. The connecting rod 8 is rotated to the corresponding threaded hole 5. The threaded column 19 can be screwed into the connecting rod 8, and the threaded column 19 can be screwed into the threaded hole 5, which is beneficial to fix the position of the handle 10. In summary, the syringe is hygienic and clean, and is easy to save space when stored.
Claims
1. A high-pressure pneumatic injection instrument, characterized in that: The invention comprises a support plate (2) and an injection instrument body (3), wherein the support plate (2) is arranged on one side of the injection instrument body (3), an adjustment chamber (4) is arranged at the front and rear of one end of the injection instrument body (3), a fixing plate (21) is fixed in the middle of the adjusting chamber (4), a spring (16) is fixed in the middle of the fixing plate (21), and both ends of the spring (16) are connected with a clamping block (15), a slot (14) is arranged at the upper and lower parts of one end of the injection instrument body (3), an inserting block (13) is arranged at the upper and lower ends of one side of the support plate (2), the inserting block (13) is clamped with the slot (14), and the clamping block (15) is clamped with the inserting block (13), and a slider (17) is connected to the clamping block (15).
2. A high-pressure pneumatic injection instrument according to claim 1, characterized in that: The front and rear surfaces of one end of the injection instrument body (3) corresponding to the adjustment chamber (4) are both provided with a slide groove (18), and the slide groove (18) is slidably connected to the slider (17).
3. A high-pressure pneumatic injection instrument according to claim 2, characterized in that: A needle tube (12) is provided at one end of the injection instrument body (3), and a protective cover (1) is provided outside the needle tube (12).
4. A high-pressure pneumatic injection instrument according to claim 3, characterized in that: A relief cylinder (20) is connected between one end of the support plate (2) and one end of the protective cover (1), and a rubber ring (11) is provided at the other end of the protective cover (1).
5. The high-pressure pneumatic injection device according to claim 3, characterized in that: A connecting seat (9) is provided at the lower part of the injection instrument body (3), and a handle (10) is hinged in the connecting seat (9).
6. A high-pressure pneumatic injection instrument according to claim 5, characterized in that: The front end of the connecting seat (9) is hinged with a connecting rod (8), and the rear portion of the lower end of the connecting rod (8) is fixedly connected to the front portion of one end of the handle (10).
7. A high-pressure pneumatic injection instrument according to claim 6, characterized in that: A positioning column (7) is provided at the front of the upper end of the connecting rod (8), and a threaded column (19) is fixed at the rear of the positioning column (7).
8. The high-pressure pneumatic injection device according to claim 5, characterized in that: A track plate (6) is provided at the front of the injection instrument body (3) corresponding to the connecting rod (8), and threaded holes (5) are equidistantly provided in the track plate (6), and the threaded holes (5) are threadedly matched with the threaded columns (19).