CN215130828U

CN215130828U - Veterinary syringe

Info

Publication number: CN215130828U
Application number: CN202120752489.3U
Authority: CN
Inventors: 严楚; 张志妮
Original assignee: Animal Husbandry And Veterinary Station Zhongluotan Town Baiyun District Guangzhou
Current assignee: Guangzhou Baiyun District Animal Husbandry And Veterinary Station
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-12-14
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a veterinary syringe relates to poultry disease prevention and cure technical field. This veterinary syringe includes the injection tube and connects injection handle on the injection tube, the anterior segment shaping of injection tube has annotates the liquid chamber, the back end shaping of injection tube has the push rod chamber, annotate the liquid chamber with push rod chamber intercommunication, the front end of annotating the liquid chamber is connected with the syringe needle, be equipped with electric putter structure in the push rod chamber, be equipped with on the injection tube with annotate the continuous ration that the liquid chamber is linked together and give liquid device. The utility model discloses a liquid pushing away can be accomplished fast steadily to the syringe through the electric putter structure, can realize the notes liquid volume unanimous at every turn through the liquid device is given to the ration in succession, and the ration is controllable, realizes injecting work in succession under the assistance of electric putter structure, and its is easy and simple to handle, can improve injection efficiency greatly.

Description

Veterinary syringe

Technical Field

The utility model relates to a poultry disease prevention and cure technical field, concretely relates to veterinary syringe that can automatic liquid injection of pushing away of ration in succession.

Background

In the process of livestock breeding, in order to prevent pestilence and diseases, generally, vaccines are injected into livestock. The livestock injector in the current market is coarse because the injection object is livestock. The injection syringe is generally composed of a syringe, a piston, a push rod and the like, when in use, the push rod is pushed by the holding and pushing force of hands, so that the piston is pushed, the liquid medicine is injected into the livestock muscle, the operation is inconvenient, and the injection efficiency is low. In order to solve the problem of low efficiency of manual injection, some pneumatic automatic injectors for animals have been designed in the industry, and the main principle is that compressed gas of an air compression storage device installed on a handle is used as power, and the whole injection process is realized by driving a glass injector piston to move back and forth through a driving device. The veterinary injector is too complex in structure, needs compressed air as power, is high in use cost and complex in operation, and is limited in application and difficult to popularize. A veterinary continuous type syringe as patent application No. 201320667911.0, the term includes the handle, the injection tube, the piston, syringe needle and bottle lid, the syringe needle passes through the needle cap and is connected with the injection tube front end, the piston is arranged in the injection tube, piston connecting rod and handle fixed connection, the injection tube passes through the nut with the handle front end and is connected, be equipped with the bottle lid on the upper portion of injection tube, communicate through the imbibition needle between bottle lid and the injection tube, the imbibition needle syringe needle passes the bottle lid bottom, be equipped with the spring on the handle, be equipped with spring adjust knob between spring and the handle, the handle is equipped with dosage adjust knob with piston connecting rod connection position. The injector with the structure has inaccurate injection dosage, and is complex to operate, time-consuming and labor-consuming in the adjusting process.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a veterinary injector which can continuously and quantitatively inject liquid by automatic pushing.

The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:

the utility model provides a veterinary syringe, includes the injection tube and connects injection handle on the injection tube, wherein, the anterior segment shaping of injection tube has annotates the liquid chamber, the back end shaping of injection tube has the push rod chamber, annotate the liquid chamber with push rod chamber intercommunication, the front end of annotating the liquid chamber is connected with the syringe needle, be equipped with electric putter structure in the push rod chamber, be equipped with on the injection tube with annotate the continuous ration that the liquid chamber is linked together and give the liquid device.

Preferably, in foretell veterinary syringe, electric putter structure including be located miniature ball screw in the push rod chamber, with the lead screw headgear that miniature ball screw's front end rotated and cup jointed, be located annotate the liquid push rod in the liquid chamber, and with miniature speed reduction step motor that miniature ball screw's tail-end drive is connected, annotate the rear end of liquid push rod with the front end fixed connection of lead screw headgear, the front end of annotating the liquid push rod is equipped with the rubber head.

Preferably, in the injector for livestock described above, the continuous quantitative liquid feeding device includes a liquid storage box, a micro quantitative pump disposed in the liquid storage box, and a liquid feeding pipe connecting the micro quantitative pump and the liquid injection chamber, and the liquid feeding pipe is provided with a one-way valve core at a position connected to the liquid injection chamber.

Preferably, in the above syringe for animals, the one-way valve core is arranged at one end of the liquid injection cavity near the injection needle.

Preferably, in the above syringe for animals, a stroke groove is formed in one end of the screw head sleeve facing the miniature speed-reducing stepping motor, an internal thread is formed in the stroke groove, and the front end of the miniature ball screw is in threaded transmission connection with the screw head sleeve.

Preferably, in foretell veterinary syringe, the lead screw headgear is the cylinder structure, be equipped with between lead screw headgear and the push rod chamber and be used for preventing the lead screw headgear in the limit structure of rotatory circumference in the push rod chamber.

Preferably, in the above syringe for animals, the limiting structure includes a bar-shaped sliding rail axially formed on the outer circumferential wall surface of the lead screw head sleeve and a bar-shaped sliding groove axially formed on the wall surface of the push rod cavity, and the bar-shaped sliding rail is slidably fitted in the bar-shaped sliding groove.

Preferably, in the above syringe for animals, a detachable lithium battery pack is arranged at the bottom of the injection handle, and a control trigger is arranged at the thumb holding position of the injection handle.

Preferably, in the above syringe for animals, the liquid storage bin box is provided with a liquid supplementing port, and the liquid supplementing port is provided with a box cover.

Preferably, in the veterinary injector described above, the reservoir cartridge is removably attached to the barrel.

The utility model has the advantages that: the utility model discloses a liquid pushing away can be accomplished fast steadily to the syringe through the electric putter structure, can realize the notes liquid volume unanimous at every turn through the liquid device is given to the ration in succession, and the ration is controllable, realizes injecting work in succession under the assistance of electric putter structure, and its is easy and simple to handle, can improve injection efficiency greatly.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a structural diagram of the electric push rod structure in the injection tube of the present invention;

fig. 3 is a cross-sectional view of the lead screw headgear of the present invention.

Detailed Description

For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:

in the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1, as shown in the drawings, the embodiment of the present invention provides a veterinary injector, which includes an injection tube 1 and an injection handle 2 connected to the injection tube 1. Wherein, as an improvement of the utility model, as shown in fig. 1, the anterior segment shaping of this injection tube 1 has a liquid injection chamber 11, and the back end shaping of injection tube 1 has a push rod chamber 12, annotates liquid chamber 11 and annotates liquid chamber 11 intercommunication. The front end of the injection cavity 11 is connected with an injection needle 3, an electric push rod structure 4 is arranged in the push rod cavity 12, and a continuous quantitative liquid feeding device 5 communicated with the injection cavity 11 is arranged on the injection tube 1. The continuous quantitative liquid feeding device 5 feeds the injection liquid into the liquid injection cavity 11 quantitatively, and then the injection liquid in the liquid injection cavity 11 is pushed into the body of the livestock through the injection needle 3 by the electric push rod structure 4, so that the rapid quantitative injection is completed.

Further, in the preferred embodiment of the present invention, as shown in fig. 2, the electric putter structure 4 includes a micro ball screw 41 located in the plunger cavity 12, a screw head sleeve 42 rotatably sleeved with the front end of the micro ball screw 41, an injection plunger 43 located in the injection cavity 11, and a micro reduction stepping motor 44 drivingly connected with the tail end of the micro ball screw 41. Wherein, the rear end of the liquid injection push rod 43 is fixedly connected with the front end of the screw rod head sleeve 42, and the front end of the liquid injection push rod 43 is provided with a rubber head 431. Specifically, as shown in fig. 2, the cavity diameter of the injection cavity 11 is smaller than the cavity diameter of the plunger cavity 12, and the lead screw head sleeve 42 is adapted to the plunger cavity 12 and driven by the micro ball screw 41 to move axially in the plunger cavity 12, so as to drive the injection plunger 43 to move axially in the injection cavity 11, thereby completing the liquid injection pushing action and the rod withdrawing and liquid supplementing action. When the miniature speed-reducing stepping motor 44 rotates clockwise, the miniature ball screw 41 drives the screw rod head sleeve 42 to move axially forwards in the push rod cavity 12 towards one end of the liquid injection cavity 11, then the liquid injection push rod 43 connected with the front end of the screw rod head sleeve 42 is pushed to move axially in the liquid injection cavity 11 towards the injection needle 3, when the rubber head 431 is pushed to the front port of the liquid injection cavity 11, the injection liquid in the liquid injection cavity 11 is pushed to the injection needle 3, and the injection needle 3 is injected into the body of the livestock. When the miniature speed-reducing stepping motor 44 rotates anticlockwise, the miniature ball screw 41 drives the screw rod head sleeve 42 to move axially backwards in the push rod cavity 12 towards the end far away from the injection cavity 11, then drives the injection push rod 43 connected with the front end of the screw rod head sleeve 42 to move axially in the injection cavity 11 towards the direction far away from the injection needle 3, and after the rubber head 431 is pulled to the position where the injection cavity 11 is communicated with the continuous quantitative liquid feeding device 5 (namely, the direction of the end close to the push rod cavity 12), the rubber head can be used. The utility model discloses an in the embodiment, drive miniature ball screw 41 through miniature speed reduction step motor 44 to can drive fast steadily and annotate liquid push rod 43 and carry out axial displacement in annotating liquid chamber 11, accomplish and inject steadily fast.

Further, in the preferred embodiment of the present invention, as shown in fig. 1, the continuous liquid metering device 5 includes a cartridge 51, a micro metering pump 52 disposed in the cartridge 51, and a liquid feeding pipe 53 connecting the micro metering pump 52 and the liquid injection chamber 11. In order to prevent the injection liquid in the injection chamber 11 from flowing back through the liquid feeding tube 53 during liquid pushing, as shown in fig. 1, the liquid feeding tube 53 is provided with a one-way valve 54 at a position connected with the injection chamber 11, and the one-way valve 54 can make the injection liquid be fed into the injection chamber 11 from the liquid feeding tube 53 in one way. To achieve a small stroke of the injection plunger 43 for a minimum volume of fluid to be administered, the one-way valve 54 is disposed at the end of the injection chamber 11 near the needle 3, as shown in fig. 1. When the minimum volume of the injection liquid is to be delivered, only the relevant parameters of the controller need to be set, that is, the controller controls the micro deceleration stepping motor 44 to retreat to the rear side (i.e. the side direction close to the push rod cavity 12) of the position where the one-way valve core 54 is communicated with the injection cavity 11 by a set stroke, then the injection liquid is injected into the minimum volume space formed by the rubber head 431 and the front end of the injection cavity 11 in a closed manner, then the micro deceleration stepping motor 44 is controlled by the controller to rotate clockwise, and then the screw rod head sleeve 42 is driven by the micro ball screw 41 to move axially forwards in the push rod cavity 12 towards one end of the injection cavity 11, then the injection push rod 43 connected with the front end of the screw rod head sleeve 42 is pushed to move axially in the injection cavity 11 towards the injection needle 3, when the rubber head 431 is pushed to the front port of the injection cavity 11, the injection liquid quantitatively delivered into the injection cavity 11 is pushed to the injection needle 3, and the injection needle 3 is quantitatively injected into the body of the livestock. The injector can be controlled to perform quantitative injection by controlling the pumping amount of the micro quantitative pump 52 per unit time and the single-rotation angular displacement of the micro speed-reducing stepping motor 44.

Further, in the preferred embodiment of the present invention, as shown in fig. 2, the lead screw head cover 42 has a stroke slot 421 at one end facing the micro reduction stepping motor 44, an internal thread is provided in the stroke slot 421, and the front end of the micro ball screw 41 is connected to the lead screw head cover 42 in a screw transmission manner. When injecting the injection liquid, the lead screw head cover 42 moves toward one end of the injection needle 3, and the groove cavity between the front end of the micro ball screw 41 and the stroke groove 421 is deep. When the injection is completed and the next injection is performed, the micro ball screw 41 drives the screw head cover 42 to move towards the end far away from the injection needle 3 through the transmission function of the threaded connection, and at this time, the groove cavity between the front end of the micro ball screw 41 and the stroke groove 421 is shallow. Through the transmission structure of the micro ball screw 41 and the screw head sleeve 42, the stable and accurate movement of the injection push rod 43 in the injection cavity 11 can be controlled, and the stable injection of the injection liquid is completed.

Further, in the preferred embodiment of the present invention, in order to ensure that the lead screw head cover 42 axially moves along the axial direction of the push rod cavity 12 in the push rod cavity 12, the lead screw head cover 42 is a cylindrical structure, and a limiting structure for preventing the lead screw head cover 42 from rotating in the circumferential direction in the push rod cavity 12 is provided between the lead screw head cover 42 and the push rod cavity 12. Specifically, as shown in fig. 3, the limiting structure includes a strip-shaped sliding rail 422 axially formed on the outer circumferential wall surface of the lead screw head sleeve 42 and a strip-shaped sliding groove axially formed on the cavity wall of the push rod cavity 12, and the strip-shaped sliding rail 422 is slidably fitted in the strip-shaped sliding groove.

Further, in some embodiments, in order to facilitate the movement, the bottom of the injection handle 2 is provided with a detachable lithium battery pack 7, a control circuit board is arranged in the injection handle 2, a thumb-holding part of the injection handle 2 is provided with a control trigger 6, the control trigger 6 is connected with the control circuit board, the feedback action of the control trigger 6 is sensed by a controller on the control circuit board, and the action of the miniature speed-reducing stepping motor 44 and the miniature quantitative pump 52 is controlled by the controller. In order to supply the injection solution conveniently, as shown in fig. 1, the reservoir box 51 is provided with a solution supply port, and the solution supply port is provided with a box cover 511. The reservoir cartridge 51 is removably attached to the syringe 1 for ease of replacement and maintenance. In some embodiments of the present invention, the cartridge 51 is detachably connected to the syringe 1 through a sliding socket 55. To ensure the micro ball screw 41 rotates smoothly in the push rod cavity 12, as shown in fig. 2, one end of the micro ball screw 41 close to the micro speed-reducing stepping motor 44 is sleeved on a bearing 45. As a preferred embodiment of the present invention, the miniature speed-reducing stepping motor 44 is a brushed dc motor with the model number of OT-GSM24-016, the miniature constant delivery pump 52 is a hailin hilitec brand, the model number is S15S liquid-gas dual-purpose miniature diaphragm pump, the whole external dimension is about 50 × 29 × 36mm, the mass is 50g, and the miniature speed-reducing stepping motor has the advantages of small volume and light weight.

To sum up, the utility model discloses an injector can accomplish the liquid pushing away fast steadily through the electric putter structure, gives the liquid device through continuous ration and can realize that the notes liquid volume at every turn is unanimous, and the ration is controllable, realizes injecting work continuously under the assistance of electric putter structure, and its is easy and simple to handle, can improve injection efficiency greatly.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims

1. The utility model provides a veterinary syringe, includes injection tube (1) and connects injection handle (2) on injection tube (1), its characterized in that, the anterior segment shaping of injection tube (1) has notes liquid chamber (11), the back end shaping of injection tube (1) has push rod chamber (12), annotate liquid chamber (11) with push rod chamber (12) intercommunication, the front end of annotating liquid chamber (11) is connected with syringe needle (3), be equipped with electric putter structure (4) in push rod chamber (12), be equipped with on injection tube (1) with annotate continuous ration that liquid chamber (11) are linked together and give liquid device (5).

2. The veterinary syringe according to claim 1, wherein the electric push rod structure (4) comprises a micro ball screw (41) located in the push rod cavity (12), a screw rod head sleeve (42) rotatably sleeved with the front end of the micro ball screw (41), an injection push rod (43) located in the injection cavity (11), and a micro speed-reducing stepping motor (44) in transmission connection with the tail end of the micro ball screw (41), the rear end of the injection push rod (43) is fixedly connected with the front end of the screw rod head sleeve (42), and the front end of the injection push rod (43) is provided with a rubber head (431).

3. A veterinary syringe according to claim 2, wherein the continuous dosing means (5) comprises a reservoir (51), a micro dosing pump (52) arranged in the reservoir (51), and a feeding tube (53) connecting the micro dosing pump (52) to the injection chamber (11), the feeding tube (53) being provided with a one-way valve element (54) at a location connected to the injection chamber (11).

4. A veterinary injector according to claim 3, characterized in that the one-way valve element (54) is arranged at the end of the injection chamber (11) close to the injection needle (3).

5. The injector for livestock according to claim 2, characterized in that the lead screw head sleeve (42) is provided with a stroke groove (421) at one end facing the miniature speed reduction stepping motor (44), the stroke groove (421) is provided with internal threads, and the front end of the miniature ball screw (41) is in threaded transmission connection with the lead screw head sleeve (42).

6. The veterinary syringe according to claim 5, wherein the lead screw head sleeve (42) is a cylinder structure, and a limit structure for preventing the lead screw head sleeve (42) from rotating in the push rod cavity (12) is arranged between the lead screw head sleeve (42) and the push rod cavity (12).

7. The veterinary syringe of claim 6, wherein the limiting structure comprises a strip-shaped sliding rail (422) axially formed on the outer circumferential wall surface of the lead screw head sleeve (42) and a strip-shaped sliding groove axially formed on the wall surface of the push rod cavity (12), wherein the strip-shaped sliding rail (422) is slidably fitted in the strip-shaped sliding groove.

8. A veterinary injector according to claim 3, characterized in that the injection handle (2) is provided with a detachable lithium battery pack (7) at the bottom and a control trigger (6) at the thumb grip of the injection handle (2).

9. A veterinary injector according to claim 3, wherein the cartridge (51) is provided with a fluid infusion port provided with a cap (511).

10. A veterinary injector according to claim 3, wherein the reservoir cartridge (51) is removably attached to the barrel (1).