CN210933173U

CN210933173U - Syringe needle-free injector convenient for injection

Info

Publication number: CN210933173U
Application number: CN201920845550.1U
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: 2020-07-07
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a convenient syringe needle-free syringe of injection, including cylinder, impact spring, pawl and bolus pushing block, there is the end cover left side of cylinder through threaded connection, the one end of end cover extend to the inner chamber of cylinder and with the left end fixed connection who strikes the spring, there is the medicine bottle right side of cylinder through threaded connection, the one end of medicine bottle extends to the inner chamber of cylinder and the other end is provided with the injection nozzle, the top swing joint of cylinder has the sliding closure, impact spring swing joint in the internal surface of cylinder, bolus pushing block swing joint in the inner chamber of medicine bottle. The utility model discloses a cooperation of cylinder, sliding closure and medicine bottle utilizes the sliding closure to replace the multiunit button, has made things convenient for the injection operation, through the cooperation of pawl, draw-in groove and pressure round pin, has made things convenient for the operation that the impact block strikeed the injection, through the cooperation of impact spring, clamp plate, impact block, push rod, piston rod and the medicine piece that pushes away, has realized the high-pressure injection of liquid medicine, realizes the injection of no syringe needle.

Description

Syringe needle-free injector convenient for injection

Technical Field

The utility model relates to a needleless syringe technical field, concretely relates to syringe needle-free syringe of convenient injection.

Background

The needleless injector is also called a pulse administration injector, is a high-sensitivity device, a standard and reusable carbon dioxide tank, compressed gas and a pressure inflation amplifier are used for supplying energy, 2 ml of medicine is directly injected through the skin and corresponding tissue layers, the novel pulse injector is proved to improve the injection benefit by reducing the injection risk of the needle and the cost related to the needle, the needle is not used for injecting the needleless injector, the needle is not used for injecting, a super-strong special spring is used for pressing liquid medicine into the skin through an ampoule bottle to form an ultra-fine liquid beam, the duration of injection is short, and the injector is painless, noiseless, safe and quick.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a no syringe needle syringe of convenient injection possesses the convenient advantage of use, has solved current no syringe needle syringe and is using, need operate a plurality of buttons, leads to the injection to use problem not simple and convenient enough.

The utility model discloses a convenient syringe needle-free syringe of injection, including cylinder, impact spring, pawl and bolus pushing block, there is the end cover left side of cylinder through threaded connection, the one end of end cover extend to the inner chamber of cylinder and with the left end fixed connection who strikes the spring, there is the medicine bottle right side of cylinder through threaded connection, the one end of medicine bottle extends to the inner chamber of cylinder and the other end is provided with the injection nozzle, the top swing joint of cylinder has the sliding closure, impact spring swing joint in the internal surface of cylinder, bolus pushing block swing joint in the inner chamber of medicine bottle.

Preferably, one end of the impact spring is fixedly connected with a pressing plate, the bottom of the pressing plate is fixedly connected with a movable plate, the bottom of the cylinder barrel is provided with a through groove, one end of the movable plate extends to an inner cavity of the through groove and is provided with anti-skid grains, and the right side of the pressing plate is fixedly connected with an impact block.

Preferably, the bottom fixedly connected with support of cylinder internal surface, the inside swing joint of support has the push rod, the both ends of push rod all extend to the outside of support, the left side fixedly connected with piston rod of pushing away the medicine piece, the left end of piston rod contacts with the right-hand member of push rod.

Preferably, the left side and the right side at the top of the cylinder barrel are fixedly connected with fixing blocks, sliding grooves are formed in the fixing blocks, and the fixing blocks and the sliding grooves are provided with two groups.

Preferably, the front side and the rear side of the inner cavity of the sliding cover are fixedly connected with sliding pins, one ends of the sliding pins extend to the inner cavity of the sliding groove, four groups of sliding pins are arranged, and the sliding cover is movably connected with the cylinder barrel through a fixing block, the sliding grooves and the sliding pins.

Preferably, the top of cylinder fixed connection supporting shoe, the pawl is articulated with the supporting shoe through the round pin, the draw-in groove has been seted up at the top of cylinder, the one end of pawl extends to the inner chamber of cylinder and contacts with the right side of impact block through the draw-in groove.

Preferably, the rear side of the inner cavity of the sliding cover is fixedly connected with a press pin, the surface of the press pin is in contact with the top of the pawl, the bottom of the pawl is fixedly connected with a return spring, and the bottom of the return spring is fixedly connected with the top of the cylinder barrel.

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

1. the utility model discloses a cylinder, the cooperation of sliding closure and medicine bottle, utilize the sliding closure to replace the multiunit button, the injection operation has been made things convenient for, through the pawl, draw-in groove and the cooperation of pressure round pin, the operation that the impact block strikeed the injection has been made things convenient for, through strikeing the spring, pressing plates, the impact block, the push rod, the piston rod and the cooperation that pushes away the medicine piece, the high-pressure injection of liquid medicine has been realized, realize the injection of no syringe needle, through the fixed block, the cooperation of spout and sliding pin, the removal of slider has been made things convenient for, the stability of sliding closure installation has been increased simultaneously, through the cooperation of movable plate and logical groove, the reseing of.

2. The utility model discloses a set up the end cover, made things convenient for impact spring's installation and change, through setting up logical groove, made things convenient for the removal of movable plate, through setting up the support, made things convenient for the installation and the removal of push rod, through setting up the fixed block, made things convenient for the installation of sliding closure, through setting up the supporting shoe, made things convenient for the fixed of pawl and rotated, through setting up the pressure round pin, realized the sliding closure and removed the effect of in-process to the pawl to change the removal of slider into the rotation of pawl, through setting up reset spring, made things convenient for resetting of pawl and sliding closure.

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 partial cross-sectional view of the structure of the present invention;

fig. 3 is a schematic view of the present invention during injection.

In the figure: 1. a cylinder barrel; 2. an end cap; 3. a medicine bottle; 4. a sliding cover; 5. an impact spring; 6. pressing a plate; 7. an impact block; 8. a push rod; 9. a support; 10. a through groove; 11. moving the plate; 12. a card slot; 13. a support block; 14. a pawl; 15. pressing a pin; 16. a return spring; 17. a fixed block; 18. a chute; 19. a slide pin; 20. a piston rod; 21. push the medicine block.

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 discloses a syringe needle-free injector convenient for injection, including cylinder 1, impact spring 5, pawl 14 and medicine pushing block 21, the left side of cylinder 1 is connected with end cover 2 through the screw thread, through setting up end cover 2, the installation and the change of impact spring 5 have been made things convenient for, one end of end cover 2 extends to the inner chamber of cylinder 1 and is fixedly connected with the left end of impact spring 5, the right side of cylinder 1 is connected with medicine bottle 3 through the screw thread, one end of medicine bottle 3 extends to the inner chamber of cylinder 1 and the other end is provided with the injection nozzle, the top of cylinder 1 is movably connected with sliding closure 4, impact spring 5 is movably connected to the internal surface of cylinder 1, medicine pushing block 21 is movably connected to the inner chamber of medicine bottle 3;

one end of the impact spring 5 is fixedly connected with a pressing plate 6, the bottom of the pressing plate 6 is fixedly connected with a movable plate 11, the bottom of the cylinder barrel 1 is provided with a through groove 10, the movement of the movable plate 11 is facilitated by arranging the through groove 10, one end of the movable plate 11 extends to an inner cavity of the through groove 10 and is provided with anti-skidding lines, the right side of the pressing plate 6 is fixedly connected with an impact block 7, the bottom of the inner surface of the cylinder barrel 1 is fixedly connected with a support 9, the installation and the movement of a push rod 8 are facilitated by arranging the support 9, the inner part of the support 9 is movably connected with the push rod 8, both ends of the push rod 8 extend to the outer part of the support 9, the left side of a medicine pushing block 21 is fixedly connected with a piston rod 20, the left end of the piston rod 20 is contacted with the right end of the push rod 8, both the, the fixed block 17 and the sliding groove 18 are respectively provided with two groups, the front side and the rear side of the inner cavity of the sliding cover 4 are respectively and fixedly connected with a sliding pin 19, one end of each sliding pin 19 extends to the inner cavity of the sliding groove 18, the sliding pins 19 are provided with four groups, the sliding cover 4 is movably connected with the cylinder barrel 1 through the fixed block 17, the sliding groove 18 and the sliding pin 19, the top of the cylinder barrel 1 is fixedly connected with a supporting block 13, the pawl 14 is convenient to fix and rotate by arranging the supporting block 13, the pawl 14 is hinged with the supporting block 13 through a round pin, the top of the cylinder barrel 1 is provided with a clamping groove 12, and one end of the pawl 14 extends to the inner;

the rear side of the inner cavity of the sliding cover 4 is fixedly connected with a press pin 15, the action of the sliding cover 4 on the pawl 14 in the moving process is realized by arranging the press pin 15, so that the movement of the sliding block is converted into the rotation of the pawl 14, the surface of the press pin 15 is contacted with the top of the pawl 14, the bottom of the pawl 14 is fixedly connected with a return spring 16, the return of the pawl 14 and the sliding cover 4 is facilitated by arranging the return spring 16, the bottom of the return spring 16 is fixedly connected with the top of the cylinder 1, the sliding cover 4 and the medicine bottle 3 are matched, the sliding cover 4 is utilized to replace a plurality of groups of buttons, the injection operation is facilitated, the impact injection operation of the impact block 7 is facilitated by the matching of the pawl 14, the clamping groove 12 and the press pin 15, the high-pressure injection of the liquid medicine is realized by the matching of the impact spring 5, the pressing plate 6, the impact block 7, the push rod 8, through the cooperation of fixed block 17, spout 18 and sliding pin 19, made things convenient for the removal of slider, increased the stability of sliding closure 4 installation simultaneously, through the cooperation of movable plate 11 and logical groove 10, made things convenient for striking spring 5 and clamp plate 6 to reset, made things convenient for next operation.

When the utility model is used, the medicine bottle 3 and the cylinder barrel 1 are assembled, then the sliding cover 4 is slid rightwards, under the coordination of the fixed block 17, the sliding groove 18 and the sliding pin 19, the sliding cover 4 slides stably, the sliding cover 4 drives the pressing pin 15 to move, the left end of the pawl 14 is pressed downwards by the movement of the pressing pin 15, then the pawl 14 rotates under the support of the support block 13, then the right end of the pawl 14 unlocks the impact block 7, the pressing plate 6 pushes the impact block 7 under the action of the elastic force of the impact spring 5, the impact block 7 pushes the push rod 8, the push rod 8 pushes the piston rod 20, then the piston rod 20 pushes the medicine pushing block 21 to inject, after the injection is finished, the moving plate 11 is moved, the moving plate 11 drives the pressing plate 6 to compress the impact spring 5, the impact block 7 and the impact spring 5 are reset, then the pawl 14 reversely rotates under the elastic force of the reset spring 16, then the pawl 14 acts on the press pin 15, so that the pawl 14 is reset, the locking impact block 7 and the sliding cover 4 are reset.

The above description is only an embodiment of the present invention, and is 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 needle-free injector convenient for injection comprises a cylinder (1), an impact spring (5), a pawl (14) and a medicine pushing block (21), and is characterized in that: the left side of cylinder (1) has end cover (2) through threaded connection, the one end of end cover (2) extend to the inner chamber of cylinder (1) and with the left end fixed connection who strikes spring (5), the right side of cylinder (1) has medicine bottle (3) through threaded connection, the one end of medicine bottle (3) extends to the inner chamber of cylinder (1) and the other end is provided with the injection nozzle, the top swing joint of cylinder (1) has sliding closure (4), strike spring (5) swing joint in the internal surface of cylinder (1), push away medicine piece (21) swing joint in the inner chamber of medicine bottle (3).

2. A needle-less injector to facilitate injection as claimed in claim 1, wherein: the anti-skidding impact mechanism is characterized in that one end of the impact spring (5) is fixedly connected with a pressing plate (6), the bottom of the pressing plate (6) is fixedly connected with a moving plate (11), the bottom of the cylinder barrel (1) is provided with a through groove (10), one end of the moving plate (11) extends to an inner cavity of the through groove (10) and is provided with anti-skidding lines, and the right side of the pressing plate (6) is fixedly connected with an impact block (7).

3. A needle-less injector to facilitate injection as claimed in claim 1, wherein: the bottom fixedly connected with support (9) of cylinder (1) internal surface, the inside swing joint of support (9) has push rod (8), the both ends of push rod (8) all extend to the outside of support (9), push away left side fixedly connected with piston rod (20) of medicine piece (21), the left end of piston rod (20) contacts with the right-hand member of push rod (8).

4. A needle-less injector to facilitate injection as claimed in claim 1, wherein: the cylinder barrel is characterized in that fixed blocks (17) are fixedly connected to the left side and the right side of the top of the cylinder barrel (1), sliding grooves (18) are formed in the fixed blocks (17), and the fixed blocks (17) and the sliding grooves (18) are provided with two sets.

5. A needle-less injector to facilitate injection as claimed in claim 1, wherein: the sliding mechanism is characterized in that sliding pins (19) are fixedly connected to the front side and the rear side of an inner cavity of the sliding cover (4), one end of each sliding pin (19) extends to the inner cavity of the sliding groove (18), four groups of sliding pins (19) are arranged, and the sliding cover (4) is movably connected with the cylinder barrel (1) through a fixing block (17), the sliding grooves (18) and the sliding pins (19).

6. A needle-less injector to facilitate injection as claimed in claim 1, wherein: the top fixed connection supporting shoe (13) of cylinder (1), pawl (14) are articulated with supporting shoe (13) through the round pin, draw-in groove (12) have been seted up at the top of cylinder (1), the one end of pawl (14) is passed through draw-in groove (12) and is extended to the inner chamber of cylinder (1) and contact with the right side of impact block (7).

7. A needle-less injector to facilitate injection as claimed in claim 1, wherein: the rear side of the inner cavity of the sliding cover (4) is fixedly connected with a press pin (15), the surface of the press pin (15) is in contact with the top of the pawl (14), the bottom of the pawl (14) is fixedly connected with a return spring (16), and the bottom of the return spring (16) is fixedly connected with the top of the cylinder barrel (1).