CN210904434U

CN210904434U - Injection tube of syringe without needle

Info

Publication number: CN210904434U
Application number: CN201920845551.6U
Authority: CN
Inventors: 郭德林; 郭洪林
Original assignee: Shanghai Lingsa Biotechnology Co ltd
Current assignee: Shanghai Lingsa Biotechnology Co ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-07-03
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses an injection syringe of needleless syringe, the novel nipple rectifier comprises a cylindrical shel, the right side fixedly connected with rear end cap of barrel, the right side swing joint of barrel inner chamber has actuating mechanism, actuating mechanism's the equal fixedly connected with stop gear in top and bottom, the left side swing joint of barrel inner chamber has piston mechanism, the left side threaded connection of barrel has the storage medicine pipe, actuating mechanism includes first spring. The utility model discloses a barrel, rear end cap and actuating mechanism's cooperation is used, can provide kinetic energy to piston mechanism, thereby reach and be convenient for carry out the purpose of injecting to the medicine, the user of being convenient for uses simultaneously, economy is suitable for, through stop gear, can play the effect of start-up, reach the purpose that the user operation of being convenient for was used, be suitable for the user to operate the injection by oneself, the convenience has been improved, use the syringe that the device produced simultaneously, moreover, the steam generator is simple in structure, have high price/performance ratio, be fit for ordinary people and use.

Description

Injection tube of syringe without needle

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to syringe of no syringe needle syringe.

Background

Traditional syringe is through the injection mode of stainless steel syringe needle with the medicine injection human body, this kind of injection mode causes local skin damage very easily, it is hemorrhage, the condition such as gall, not only the pain is showing, and make most patients produce the sense of fear, the danger that probably causes injection site to infect in addition, needleless injection technique utilizes the high-pressure jet principle, make the liquid medicine form thinner liquid stream, pierce through skin in the twinkling of an eye and reach the hypoderm, because the change of injection principle, the liquid medicine is in subcutaneous dispersion distribution, the time of onset is faster, the medicine absorptivity is higher, can avoid above-mentioned problem completely.

At present, tens of foreign manufacturers produce nearly hundreds of needleless injector products with different styles, the technology is gradually applied to the aspects of clinical medical treatment and family health care in developed countries, the research of China on the needleless injection technology is still in the initial stage, only a few domestic enterprises can produce the products so far, the needle tube structure of the needleless injector adopted in the market at present is complex, the generated price is too high, the cost performance is too low for the common public, and the needle tube is not generally used by users.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides an injection tube of no syringe needle syringe possesses advantages such as price economy is suitable for, and the needle tubing structure that the needleless injector that has solved the adoption on the present market was used is complicated, and produced price is too expensive, and the price/performance ratio is too low to ordinary masses, does not utilize the problem of user's general use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection syringe of syringe needle-free syringe, includes the barrel, the right side fixedly connected with rear end cap of barrel, the right side swing joint of barrel inner chamber has actuating mechanism, actuating mechanism's the equal fixedly connected with stop gear in top and bottom, the left side swing joint of barrel inner chamber has piston mechanism, the left side threaded connection of barrel has the storage medicine pipe.

Preferably, actuating mechanism includes first spring, the right side of first spring and the right side fixed connection of barrel inner chamber, the inner chamber swing joint of first spring has the connecting rod, the right side of connecting rod runs through the inner chamber of barrel and extends to the right side of rear end cap, the left side fixedly connected with fixed plate of connecting rod, the right side of fixed plate and the left side fixed connection of first spring, the left side fixedly connected with ejector pin of fixed plate, the first ejector pad of left side fixedly connected with of ejector pin.

Preferably, stop gear includes the fixed block, one side of fixed block and one side fixed connection of ejector pin, one side of fixed block is seted up flutedly, one side fixedly connected with second spring of recess inner chamber, one side fixedly connected with fixture block that recess inner chamber was kept away from to the second spring, the top and the bottom of barrel all set up with the draw-in groove of fixture block cooperation use.

Preferably, the piston mechanism includes the push rod, the right side fixedly connected with second ejector pad of push rod, the left side of push rod extends to the inner chamber of storage medicine pipe, the left side fixedly connected with piston block of push rod, the piston block is the rubber material.

Preferably, the first pushing block and the second pushing block are both disc-shaped, and the diameter of the first pushing block is larger than that of the second pushing block.

Preferably, the right side of the connecting rod is fixedly connected with a pull rod, and the pull rod is semicircular in shape.

Preferably, the surface of the cylinder body is fixedly connected with an anti-slip sleeve, and anti-slip lines are arranged on the surface of the anti-slip sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a barrel, rear end cap and actuating mechanism's cooperation is used, can provide kinetic energy to piston mechanism, thereby reach and be convenient for carry out the purpose of injecting to the medicine, the user of being convenient for uses simultaneously, economy is suitable for, through stop gear, can play the effect of start-up, reach the purpose that the user operation of being convenient for was used, be suitable for the user to operate the injection by oneself, the convenience has been improved, use the syringe that the device produced simultaneously, moreover, the steam generator is simple in structure, have high price/performance ratio, be fit for ordinary people and use.

2. The utility model discloses a set up first spring, can produce pressure to the ejector pin, thereby it removes to drive first ejector pad, play the purpose of pressurization injection, through setting up recess and second spring, can drive the fixture block and carry on spacingly, thereby the position of the first spring of user's fixation of being convenient for reaches the purpose of injection, through setting up push rod and second ejector pad, can promote the piston piece, thereby carry out human injection with the inside liquid medicine of liquid medicine storage tube, through setting up the pull rod, the user of can being convenient for carries out reset work.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the connecting structure of the cylinder and the protecting cover of the present invention;

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a barrel; 2. a rear end cap; 3. a drive mechanism; 4. a limiting mechanism; 5. a piston mechanism; 6. a drug storage tube; 7. a first spring; 8. a connecting rod; 9. a fixing plate; 10. a top rod; 11. a first push block; 12. a fixed block; 13. a groove; 14. a second spring; 15. a clamping block; 16. a card slot; 17. a push rod; 18. a second push block; 19. a piston block; 20. a pull rod; 21. an anti-slip sleeve.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to an injection tube of a needleless injector, which comprises a barrel body 1, a rear end cap 2 fixedly connected to the right side of the barrel body 1, a driving mechanism 3 movably connected to the right side of the inner cavity of the barrel body 1, the driving mechanism 3 comprises a first spring 7, the right side of the first spring 7 is fixedly connected to the right side of the inner cavity of the barrel body 1, the inner cavity of the first spring 7 is movably connected to a connecting rod 8, the right side of the connecting rod 8 penetrates through the inner cavity of the barrel body 1 and extends to the right side of the rear end cap 2, the left side of the connecting rod 8 is fixedly connected to a fixing plate 9, the right side of the fixing plate 9 is fixedly connected to the left side of the first spring 7, a push rod 10 is fixedly connected to the left side of the fixing plate 9, a first push block 11 is fixedly connected to the left side of the push rod 10, the first, the right side of the connecting rod 8 is fixedly connected with a pull rod 20, the pull rod 20 is semicircular, the top and the bottom of the driving mechanism 3 are both fixedly connected with a limiting mechanism 4, the limiting mechanism 4 comprises a fixed block 12, one side of the fixed block 12 is fixedly connected with one side of the ejector rod 10, one side of the fixed block 12 is provided with a groove 13, one side of the inner cavity of the groove 13 is fixedly connected with a second spring 14, one side of the second spring 14, which is far away from the inner cavity of the groove 13, is fixedly connected with a clamping block 15, the top and the bottom of the barrel 1 are both provided with clamping grooves 16 matched with the clamping block 15 for use, the left side of the inner cavity of the barrel 1 is movably connected with a piston mechanism 5, the piston mechanism 5 comprises a push rod 17, the right side of the push rod 17 is fixedly connected with a second push block 18, the left side of the push rod 17 extends to the inner cavity of, the surface of the barrel body 1 is fixedly connected with an anti-slip sleeve 21, the surface of the anti-slip sleeve 21 is provided with anti-slip lines, the first spring 7 is arranged to generate pressure on the ejector rod 10 so as to drive the first push block 11 to move and achieve the purpose of pressure injection, the groove 13 and the second spring 14 are arranged to drive the clamping block 15 to limit, so that a user can conveniently fix the position of the first spring 7 to achieve the purpose of injection, the push rod 17 and the second push block 18 are arranged to push the piston block 19 so as to carry out human body injection on liquid medicine in the medicine storage tube 6, the pull rod 20 is arranged so as to conveniently carry out reset work on the user, the barrel body 1, the rear end cover 2 and the driving mechanism 3 are matched to use, kinetic energy can be provided for the piston mechanism 5, so as to achieve the purpose of conveniently injecting the medicine, and meanwhile, the anti-slip sleeve is convenient for the user to, through stop gear 4, can play the effect of start-up, reach the purpose that the user operation of being convenient for was used, be suitable for the user to operate the injection by oneself, improved the convenience, use the syringe that the device produced simultaneously, simple structure has high price/performance ratio, is fit for ordinary people and uses.

When the utility model is used, a worker connects the medicine storage tube 6 which drives the liquid medicine with the left side of the barrel 1, the head of the medicine storage tube 6 is aligned to a part to be injected, the first spring 7 is in a compressed state at the moment, the clamping block 15 contracts towards the inside of the barrel 1 by pressing the clamping block 15, after the clamping block 15 enters the barrel 1, the first spring 7 drives the fixing plate 9 to move, the fixing plate 9 drives the mandril 10 and the first push block 11 to contact the second push block 18, the second push block 18 drives the push rod 17 and the piston block 19 to apply pressure to the liquid medicine in the liquid storage tube, thereby realizing human body injection, when the human body injection is reset, the pull rod 20 is pulled rightwards, the pull rod 20 drives the connecting rod 8 to move rightwards, the connecting rod 8 drives the fixing plate 9 to move, the fixing plate 9 can drive the mandril 10 to move, the mandril 10 can drive the clamping block 15 to butt the clamping groove 16, the, thereby performing reset fixing.

The above are merely embodiments of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A syringe for a needleless injector, comprising a barrel (1), characterized in that: the right side fixedly connected with rear end housing (2) of barrel (1), the right side swing joint of barrel (1) inner chamber has actuating mechanism (3), the equal fixedly connected with stop gear (4) in top and bottom of actuating mechanism (3), the left side swing joint of barrel (1) inner chamber has piston mechanism (5), the left side threaded connection of barrel (1) has storage medicine pipe (6).

2. The syringe of a needleless injector as set forth in claim 1, wherein: actuating mechanism (3) include first spring (7), the right side of first spring (7) and the right side fixed connection of barrel (1) inner chamber, the inner chamber swing joint of first spring (7) has connecting rod (8), the right side of connecting rod (8) runs through the inner chamber of barrel (1) and extends to the right side of rear end cap (2), the left side fixedly connected with fixed plate (9) of connecting rod (8), the right side of fixed plate (9) and the left side fixed connection of first spring (7), the left side fixedly connected with ejector pin (10) of fixed plate (9), the first ejector pad (11) of left side fixedly connected with of ejector pin (10).

3. The syringe of a needleless injector as set forth in claim 1, wherein: stop gear (4) are including fixed block (12), one side of fixed block (12) and one side fixed connection of ejector pin (10), one side of fixed block (12) is seted up flutedly (13), one side fixedly connected with second spring (14) of recess (13) inner chamber, one side fixedly connected with fixture block (15) of recess (13) inner chamber are kept away from in second spring (14), draw-in groove (16) that use with fixture block (15) cooperation are all seted up to the top and the bottom of barrel (1).

4. The syringe of a needleless injector as set forth in claim 1, wherein: piston mechanism (5) include push rod (17), the right side fixedly connected with second ejector pad (18) of push rod (17), the left side of push rod (17) extends to the inner chamber of storage medicine pipe (6), the left side fixedly connected with piston block (19) of push rod (17), piston block (19) are the rubber material.

5. The syringe of a needleless injector as set forth in claim 2, wherein: the first push block (11) and the second push block (18) are both disc-shaped, and the diameter of the first push block (11) is larger than that of the second push block (18).

6. The syringe of a needleless injector as set forth in claim 2, wherein: the right side of the connecting rod (8) is fixedly connected with a pull rod (20), and the pull rod (20) is semicircular.

7. The syringe of a needleless injector as set forth in claim 1, wherein: the anti-skidding type garbage can is characterized in that an anti-skidding sleeve (21) is fixedly connected to the surface of the can body (1), and anti-skidding lines are arranged on the surface of the anti-skidding sleeve (21).