CN211583654U

CN211583654U - Continuous drenching injector

Info

Publication number: CN211583654U
Application number: CN201922218630.7U
Authority: CN
Inventors: 丁鹏; 丁贵根; 王学信; 刘飞时
Original assignee: Zhejiang Kangrui Apparatus Technology Co ltd
Current assignee: Zhejiang Kangrui Apparatus Technology Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-09-29
Anticipated expiration: 2029-12-12
Also published as: WO2021114982A1; DE212020000477U1

Abstract

The utility model discloses a continuous drenching syringe, including the petiole, big handle and needle shell, the front end of needle shell is equipped with the pistol formula structure that the connector that is used for connecting the administration pipe subassembly is constituteed, wherein the upper portion of needle shell and big handle links to each other through the connecting piece, install same main spring and link to each other in handing-over department through connecting pin and round pin lid in the lower part of big handle and the petiole, be equipped with piston assembly and piston rod in needle shell and the petiole upper portion respectively, the rear end of piston rod is equipped with the groove, in the other end embedded groove of petiole, the petiole upper portion that corresponds this end petiole rear has set dose adjusting nut and screw thread, the piston rod is kept away from piston assembly end and is provided with connector, be connected with the imbibition device. The utility model provides a make things convenient for the imbibition device to install, connect stably, the leakproofness is good, injection convenient to use, fill efficient continuous irrigation syringe.

Description

Continuous drenching injector

Technical Field

The utility model relates to a continuous drenching injector, which belongs to the technical field of livestock injection instruments.

Background

The continuous drenching syringe is widely used veterinary tools, such as a continuous drenching syringe disclosed in the application number CN2008101822544, which comprises a small handle, a large handle and a cylinder body, wherein the front end of the cylinder body is provided with a pistol type structure consisting of a connector used for connecting a medicine feeding pipe assembly or an injection head, the cylinder body is connected with the upper part of the large handle through a connecting piece, the lower part of the large handle and the small handle are internally provided with the same main spring and are connected at a joint through a connecting pin and a pin buckle, the cylinder body and the upper part of the large handle are respectively internally provided with a piston and a piston rod with an O-shaped sealing ring, the rear end of the piston rod is provided with a groove, the other end of the small handle is embedded into the groove, the upper part of the large handle at the rear part of the small handle corresponding to the end is provided with a dose adjusting nut and a thread, the inner side of the, the pistol type structure is convenient to use, comfortable in hand feeling and safe and firm, the liquid suction device is arranged on the inner side of the small handle and positioned between the large handle and the small handle, the movable spaces on two sides are small, the operation is inconvenient when the liquid suction device is connected with the piston rod, and meanwhile, in the injection operation process, the liquid suction device is easy to fall off due to the fact that the liquid suction device is touched with the handle.

Disclosure of Invention

The utility model aims to solve the technical problem that a continuous drenching injector is provided, its liquid suction device is connected in tailpiece of the piston rod portion, has very big operating space, and is easy to assemble, can solve the not enough of prior art.

The technical scheme of the utility model is that: the utility model provides a irritate medicine syringe in succession, including the small handle, big handle and needle shell, the front end of needle shell is equipped with the pistol formula structure that the connector that is used for connecting the administration pipe subassembly constitutes, wherein the upper portion of needle shell and big handle links to each other through the connecting piece, install same main spring and link to each other in handing-over department through connecting pin and round pin lid in the lower part of big handle and the small handle, be equipped with piston assembly and piston rod in needle shell and the big handle upper portion respectively, the rear end of piston rod is equipped with the groove, in the other end embedded groove of small handle, the big handle upper portion that corresponds this end small handle rear has set dose adjusting nut and screw thread, the piston rod is kept away from piston assembly end and is provided with the attach fitting, be connected with the imbibition device on. The liquid suction device is connected to the connecting joint at the tail end of the piston rod, so that the connection is convenient, and the liquid suction device is not easy to be touched with the handle to fall off.

Further the imbibition device includes the rubber tube, rubber tube one end cup joints with the attach fitting, and the other end is connected with the imbibition and connects. The rubber tube has elastic deformation capacity, and the rubber tube is sleeved on the connecting joint during connection, and the liquid suction joint is placed in the infusion container, so that the transfusion device is simple and convenient.

Furthermore, the outer surface of the connecting joint which is sleeved with the rubber pipe is provided with a sawtooth step. The rubber tube and the connecting joint are sleeved more stably and are not easy to separate.

Further, a rubber tube protection spring is sleeved on the rubber tube.

Further the dispensing pipe assembly comprises a bent pipe connector and a bent pipe, one end of the bent pipe connector is embedded into the connector, the other end of the bent pipe connector is connected with one end of the bent pipe, the other end of the bent pipe is connected with a bent pipe nozzle, a matched plastic valve core, a front valve core spring and an O-shaped ring are arranged in the bent pipe connector and the connector, and a sealing gasket is arranged at the joint of the bent pipe connector and the connector. The preposed valve core spring pushes the plastic valve core to be connected with the O-shaped ring in a matching way to realize the opening and closing of the inner channel of the elbow connecting body, and the sealing gasket arranged at the joint of the elbow connecting body and the connector prevents the leakage of the liquid medicine.

Furthermore, a bent pipe abandoning cap is arranged outside the bent pipe connector and is in threaded connection with the outer surface of the connector. Through return bend abandon cap and connector threaded connection messenger return bend abandon cap and screw up return bend connector and return bend, also can screw up return bend connector and connector simultaneously, increase the leakproofness, better leakage prevention.

And further, the elbow pipe abandoning cap is in reverse threaded connection with the connector. The needle shell, the large handle and the connecting piece are connected through positive threads, so that the needle is convenient to install, and other threads cannot be loosened.

Furthermore, an elasticity regulator support is arranged on the large handle, an elasticity adjusting bolt connected with the main spring is arranged in the elasticity regulator support, and an elasticity adjusting nut matched with the elasticity regulator support is connected to the elasticity adjusting bolt. According to the concentration of the filling liquid medicine, the ideal use state can be achieved by adjusting the elastic strength of the main spring.

Further the big handle is kept away from and is provided with demountable installation's caping with the connecting piece link, set up the through-hole that supplies the rubber tube to pass on the caping. The installation or the disassembly of the components in the upper structure of the large handle is convenient.

The piston assembly further comprises a piston connected with the piston rod, a piston valve core support, a piston valve core and a piston valve core spring are arranged in the piston, and a piston O-shaped ring and a felt are arranged between the outer wall of the piston and the inner wall of the needle shell. The cooperation of piston case spring and piston case controls the entering of liquid medicine, and piston O type circle, the felt that sets up between piston outer wall and the needle shell inner wall increase sealed and lubricity, improve the efficiency of filling.

To sum up, the utility model provides a make things convenient for the liquid suction device installation, connect stable, the leakproofness good, injection convenient to use, fill efficient continuous irrigation syringe.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is an enlarged view of fig. 1 at C.

Shown in the figure: a bent pipe spray head 1; a bent pipe 2; a bent pipe discarding cap 3; a bent pipe connector 4; a front spool spring 5; a sealing gasket 6; a plastic valve core 7; an O-shaped ring 8; a needle housing 9; a connecting member 10; a large handle 11; a spring force adjuster support 12; an elastic force adjusting bolt 13; an elastic force adjusting nut 14; a dose adjustment nut 15; a cap head 16; a rubber tube protection spring 17; a hose 18; a suction fitting 19; a piston rod 20; a small handle 21; a main spring 22; a connecting pin 23; a pin cover 24; a piston 25; a piston spool 26; a felt 27; a piston O-ring 28; a piston spool spring 29; a piston spool support 30; a connecting head 31; a slot 32; a connection joint 33; a serrated step 34.

Detailed Description

The embodiment of the utility model provides a: as shown in fig. 1 to 4, a continuous drug administration syringe comprises a small handle 21, a large handle 11 and a needle housing 9, wherein the front end of the needle housing 9 is provided with a pistol type structure consisting of a connector 31 for connecting with an administration tube assembly, the upper parts of the needle housing 9 and the large handle 11 are connected through a connector 10, the lower part of the large handle 11 and the small handle 21 are internally provided with the same main spring 22 and are connected at a joint through a connecting pin 23 and a pin cover 24, the upper parts of the needle housing 9 and the large handle 11 are respectively provided with a piston assembly and a piston rod 20, the rear end of the piston rod 20 is provided with a groove 32, the other end of the small handle 21 is embedded in the groove 32, the upper part of the large handle 11 corresponding to the rear part of the small handle 21 is provided with a dose adjusting nut 15 and a thread, the end of the piston rod 20 far away from the piston assembly is provided with a. The liquid suction device is connected to the connecting joint 33 at the tail end of the piston rod 20, so that the connection is convenient, and the liquid suction device is not easy to be touched with the handle to fall off.

The preferred suction device of this embodiment includes a hose 18, one end of the hose 18 is connected to the connection fitting 33, and the other end is connected to the suction fitting 19. The rubber tube 18 has elastic deformation capacity, and the rubber tube 18 is only needed to be sleeved on the connecting joint 19 during connection, and the liquid suction joint 19 is placed in the infusion container, so that the method is simple and convenient.

The preferred embodiment provides a serrated step 34 on the outer surface of the coupling 19 that engages the hose 18. The rubber tube 18 and the connecting joint 19 are sleeved more stably and are not easy to separate.

A hose protection spring 17 is sleeved on the hose 18 preferred in the embodiment.

The preferential administration pipe assembly of this embodiment includes return bend connector 4, return bend 2, in 4 one end embedding connectors 31 of return bend connector, the 4 other ends of return bend connector are connected with 2 one end of return bend, the 2 other ends of return bend are connected with return bend shower nozzle 1, be provided with matched with plastic valve core 7, leading case spring 5, O type circle 8 in return bend connector 4 and the connector 31, the junction of return bend connector 4 and connector 31 is provided with seal gasket 6. The preposed valve core spring 5 pushes the plastic valve core 7 to be matched and connected with the O-shaped ring 8 to realize the opening and closing of the channel in the bent pipe connector 4, and the sealing gasket 6 arranged at the joint of the bent pipe connector 4 and the connector 31 prevents the leakage of the liquid medicine.

The elbow connector 4 preferred in this embodiment is externally provided with an elbow-bend cap 3, and the elbow-bend-. Through return bend abandon cap 3 and connector 31 threaded connection make the return bend abandon cap 3 screw up return bend connector 4 and return bend 2, also can screw up return bend connector 4 and connector 31 simultaneously, increase the leakproofness, better preventing leaks.

The preferred elbow fitting of this embodiment has a counter-threaded connection of cap 3 to connector 31. The needle shell 9 and the large handle 11 are connected with the connecting piece 10 through positive threads, so that the installation is convenient, and other threads cannot be loosened.

In the preferred embodiment, an elasticity adjuster support 12 is mounted on the large handle 11, an elasticity adjusting bolt 13 connected with the main spring 22 is arranged in the elasticity adjuster support 24, and an elasticity adjusting nut 14 matched with the elasticity adjuster support 12 is connected to the elasticity adjusting bolt 13. According to the concentration of the filling liquid medicine, the ideal using state can be achieved by adjusting the elastic strength of the main spring 22.

The large handle 11 of the preferred embodiment is provided with a detachable cover head 16 far away from the end connected with the connecting piece 10, and the cover head 16 is provided with a through hole for the rubber tube 18 to pass through. The installation or the disassembly of the components in the upper structure of the large handle 11 is convenient.

The piston assembly of the preferred embodiment includes a piston 25 connected to the piston rod 20, a piston core support 30, a piston core 26, and a piston core spring 29 disposed within the piston 25, and a piston O-ring 28 and felt 27 disposed between the outer wall of the piston 25 and the inner wall of the needle housing 9. The piston valve core support 3 is fixedly arranged, the piston valve core spring 29 is matched with the piston valve core 26 to control the entering of liquid medicine, and the piston O-shaped ring 28 and the felt 27 arranged between the outer wall of the piston 25 and the inner wall of the needle shell 9 increase the sealing and lubricating properties and improve the filling efficiency.

The utility model discloses a use does, connect 19 with the imbibition and put into the infusion container who is equipped with the liquid medicine, the dose size of single injection or drenching is adjusted to rotatory dose adjusting nut 15, still can be through adjusting the elasticity regulator on the big handle 11, adjust and feel to accord with the personal use, promote little handle 21, the action process is withdrawn after little handle 21 drives piston rod 20 and piston 25 and gos forward to the 9 front ends of needle shell, be full of the liquid medicine in the needle shell 9 before making the piston 25, can connect the injection or drench the medicine, impel for the injection state to big handle 11 lower parts when little handle 21, be the imbibition state when little handle 21 replies.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims

1. The utility model provides a continuous drenching injection syringe, including the small handle, big handle and needle shell, the front end of needle shell is equipped with the pistol formula structure that the connector that is used for connecting the administration pipe subassembly constitutes, wherein the upper portion of needle shell and big handle links to each other through the connecting piece, install same main spring and link to each other in handing-over department through connecting pin and round pin lid in the lower part of big handle and the small handle, be equipped with piston assembly and piston rod in needle shell and the big handle upper portion respectively, the rear end of piston rod is equipped with the groove, in the other end embedded groove of small handle, the big handle upper portion that corresponds this end small handle rear has set dose adjusting nut and screw thread, its characterized in that: the piston rod is provided with a connecting joint far away from the end of the piston assembly, and the connecting joint is connected with a liquid suction device.

2. The continuous fill syringe of claim 1, wherein: the imbibition device includes the rubber tube, rubber tube one end cup joints with the attach fitting, and the other end is connected with the imbibition and connects.

3. The continuous fill syringe of claim 2, wherein: the outer surface of the connecting joint, which is sleeved with the rubber pipe, is provided with a sawtooth ladder.

4. A continuous fill syringe as claimed in claim 2 or claim 3, wherein: and the rubber tube is sleeved with a rubber tube protection spring.

5. The continuous fill syringe of claim 1, wherein: the dispensing pipe assembly comprises a bent pipe connector and a bent pipe, one end of the bent pipe connector is embedded into the connector, the other end of the bent pipe connector is connected with one end of the bent pipe, the other end of the bent pipe is connected with a bent pipe nozzle, a matched plastic valve core, a front valve core spring and an O-shaped ring are arranged in the bent pipe connector and the connector, and a sealing gasket is arranged at the joint of the bent pipe connector and the connector.

6. The continuous fill syringe of claim 5, wherein: and a bent pipe abandoning cap is arranged outside the bent pipe connector and is in threaded connection with the outer surface of the connector.

7. The continuous fill syringe of claim 6, wherein: the bent pipe is connected with the connector through reverse threads.

8. The continuous fill syringe of claim 1, wherein: an elasticity adjusting device support is arranged on the large handle, an elasticity adjusting bolt connected with the main spring is arranged in the elasticity adjusting device support, and an elasticity adjusting nut matched with the elasticity adjusting device support is connected to the elasticity adjusting bolt.

9. The continuous fill syringe of claim 2, wherein: the big handle is far away from and is provided with demountable installation's caping with the connecting piece link, set up the through-hole that supplies the rubber tube to pass on the caping.

10. The continuous fill syringe of claim 1, wherein: the piston assembly comprises a piston connected with a piston rod, a piston valve core support, a piston valve core and a piston valve core spring are arranged in the piston, and a piston O-shaped ring and felt are arranged between the outer wall of the piston and the inner wall of the needle shell.