CN219462163U

CN219462163U - Liquid medicine injector

Info

Publication number: CN219462163U
Application number: CN202223566294.3U
Authority: CN
Inventors: 郭宇鹏; 董春艳; 郭文川; 沙维; 张海泉; 徐宝翔
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-04
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a liquid medicine injector, which comprises a bearing frame, wherein a medicine storage cylinder is arranged in the bearing frame, a needle head is arranged on the medicine storage cylinder, a piston is arranged in the medicine storage cylinder in a sliding manner, and a transmission rod is fixedly connected to the piston; the bearing bottom is provided with a handle; the bottom of the bearing frame is connected with a driving rod in a sliding way, and the driving rod is in transmission connection with the transmission rod through a transmission mechanism; when the driving rod slides to one side of the handle, the driving rod is driven by the driving mechanism to slide to one side close to the needle head, so that the piston slides in the medicine storage cylinder to drive out the medicine in the medicine storage cylinder. When the animal needs to be injected, the veterinarian grips the handle, inserts the needle into the skin of the animal, directly buckles the driving rod with fingers, drives the driving rod to slide through the driving rod sliding through the driving mechanism, and can drive the piston to slide in the medicine storage cylinder through the sliding of the driving rod, so that the injection efficiency is improved.

Description

Liquid medicine injector

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a liquid medicine injector.

Background

Veterinarians refer to doctors who perform disease prevention, diagnosis and treatment on animals, and in particular, veterinarians are workers who utilize medical methods to promote the coordination of animal organisms with microorganisms and natural environments, and the use of syringes is required by the veterinarian to administer drugs to the animal.

The application number is as follows: 201921539032.3, the name is "chinese patent of veterinary medicine liquid syringe", discloses a veterinary medicine liquid syringe, including the syringe main part, the one end of syringe main part is connected with out the pencil, go out the cover on the pencil has the syringe needle, be provided with the protective sheath on the syringe needle, the fixed end that has cup jointed of syringe main part other end, fixed mounting has the mounting box on the end, cylinder and piston rod transmission in the mounting box are connected, just the piston rod extends to in the syringe main part, the fixed ejector pad that is provided with of one end in the piston rod intubated the syringe main part, be provided with the piston on the ejector pad, threaded groove has been seted up at the middle part of syringe main part, fixedly be provided with the battery case in the syringe main part, the embedded switch that has on the battery case. In the above patent, the piston pushing block is connected with the cylinder in the mounting box in a transmission way through the piston rod, so that the piston on the pushing block is driven to move through the action of the cylinder and the piston rod when the medicine is injected, the automatic injection function is realized, and the degree of automation is higher.

As is known, when the existing injector for veterinary use is used, a veterinary user usually adopts two thumbs to abut against the baffle plate, the sealing plug is made to slide in the injector by pressing the piston rod, and the medicament is injected into an animal body, but when the injector is in actual use, the needle is required to be inserted into the animal body first, then the veterinary user can press the injector by replacing the gesture of the handheld injector with loose hands, and the injector is in two separate actions, so that the injector is inconvenient to operate and has certain defects when in actual use.

Disclosure of Invention

The present utility model is directed to a medical fluid injector, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the liquid medicine injector comprises a bearing frame, wherein a medicine storage cylinder is arranged in the bearing frame, a needle head is arranged on the medicine storage cylinder, a piston is slidably arranged in the medicine storage cylinder, and a transmission rod is fixedly connected to the piston; the bearing bottom is provided with a handle; the bottom of the bearing frame is connected with a driving rod in a sliding way, and the driving rod is in transmission connection with the transmission rod through a transmission mechanism; when the driving rod slides to one side of the handle, the driving rod is driven by the driving mechanism to slide to one side close to the needle head, so that the piston slides in the medicine storage cylinder to drive out the medicine in the medicine storage cylinder.

Further, the transmission mechanism comprises a rotating support rod which is rotatably connected inside the bearing frame, and a transmission gear is fixedly connected to the rotating support rod; a second rack is arranged at the bottom of the transmission rod; the driving rod is fixedly connected with a first rack, the bearing frame is provided with an adapting groove, and the first rack is connected in the adapting groove in a sliding way; the first rack and the second rack are respectively meshed with the upper side and the lower side of the transmission gear.

Further, a sliding groove is formed in the bearing frame, the transmission rod is arranged in the sliding groove in a sliding mode, and a reset spring is arranged between the sliding groove and the transmission rod.

Further, an avoidance groove is formed in the bottom of the bearing frame, and the driving rod is connected in the avoidance groove in a sliding mode.

Further, the two sides of the second rack are fixedly connected with limiting strips, limiting grooves are formed in the bearing frame, and the limiting strips are slidably connected inside the limiting grooves.

Further, the grip is in an inclined state.

Further, an arc-shaped groove is formed in the driving rod.

Further, the installation groove is formed in the bearing frame, and the medicine storage cylinder is arranged in the bearing frame through the installation groove.

Compared with the prior art, the utility model has the beneficial effects that: this liquid medicine syringe, through bearing frame, store up cartridge case, syringe needle, piston, transfer line, actuating lever, handle and the cooperation between the drive mechanism, when needs are given the animal and are given an injection, the animal doctor grips the handle, after inserting the syringe needle into the skin of animal, directly withhold the actuating lever with the finger, it slides to have driven the transfer line through drive mechanism to slide through the actuating lever, can slide through the transfer line and drive the piston and slide in storing the cartridge case inside, carry out the operation of taking an injection to the animal, improve the efficiency of taking an injection at one go, easy operation, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an overall top view structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure of FIG. 2 taken along line A-A;

FIG. 4 is a schematic view of an internal corner structure of a carrying frame according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a transmission mechanism according to an embodiment of the present utility model.

Reference numerals illustrate: 1. a carrying frame; 2. a mounting groove; 3. a cartridge; 4. a needle; 5. a piston; 6. a first rack; 7. a transmission rod; 8. a chute; 9. a return spring; 10. a second rack; 11. a transmission gear; 12. a driving rod; 13. a grip; 14. rotating the support rod; 15. a limit bar; 16. a limit groove; 17. avoiding the groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a liquid medicine syringe, includes bearing frame 1, and bearing frame 1 is inside to be provided with and store up cartridge case 3, is provided with syringe needle 4 on storing up cartridge case 3, and storing up cartridge case 3 inside slides and is provided with piston 5, fixedly connected with a transfer line 7 on the piston 5; the bearing bottom is provided with a handle 13; the bottom of the bearing frame 1 is connected with a driving rod 12 in a sliding way, and the driving rod 12 is in transmission connection with the transmission rod 7 through a transmission mechanism; when the driving rod 12 slides to one side of the handle 13, the driving rod 7 is driven by the driving mechanism to slide to one side close to the needle 4, so that the piston 5 slides in the medicine storage cylinder 3 to drive out the medicine in the medicine storage cylinder 3.

Specifically, the liquid medicine injector comprises a bearing frame 1, wherein a medicine storage cylinder 3 is arranged in the bearing frame 1, the medicine storage cylinder 3 is in the prior art, and the detailed working principle of the medicine storage cylinder is not repeated here; the needle 4 is arranged on the medicine storage cylinder 3, one end of the needle 4, which is far away from the needle point, is provided with a mounting cap, the mounting cap is matched with the protruding part of the medicine storage cylinder 3, and the mounting cap can be clamped on the protruding part of the medicine storage cylinder 3, so that the needle is convenient to mount and use; the piston 5 is slidably arranged in the medicine storage cylinder 3, the transmission rod 7 is fixedly connected to the piston 5, the transmission rod 7 slides to drive the piston 5 to slide, when the transmission rod 7 drives the piston 5 to slide towards one end far away from the needle head 4, negative pressure is formed between the piston 5 and the needle head 4 at the moment, so that medicine inserted into the needle head 4 can be sucked into the medicine storage cylinder 3, and when an animal needs to be injected, the transmission rod 7 is driven to slide towards one side close to the needle head 4, so that the medicine in the medicine storage cylinder 3 can be injected out through the piston 5, and the use effect is good; wherein, the bearing bottom is provided with a handle 13, which is more convenient for veterinarian use; wherein a driving rod 12 is connected to the bottom of the bearing frame 1 in a sliding way, the driving rod 12 is in transmission connection with the transmission rod 7 through a transmission mechanism, and the transmission rod 7 can be driven to slide through the sliding of the driving rod 12; when the driving rod 12 slides to one side of the handle 13, the driving rod 7 is driven by the driving mechanism to slide to one side close to the needle 4, so that the piston 5 slides in the medicine storage cylinder 3 to drive out the medicine in the medicine storage cylinder 3. Therefore, when an animal needs to be injected, a veterinarian grips the grip 13, inserts the needle 4 into the skin of the animal, directly buckles the driving rod 12 with fingers, drives the driving rod 7 to slide through the driving rod 12 and the driving mechanism, and can drive the piston 5 to slide in the medicine storage cylinder 3 through the sliding of the driving rod 7, thereby carrying out injection operation on the animal, improving the injection efficiency and having good use effect.

In the embodiment provided by the utility model, the transmission mechanism comprises a rotary supporting rod 14 rotatably connected to the inside of the bearing frame 1, and a transmission gear 11 is fixedly connected to the rotary supporting rod 14; a second rack 10 is arranged at the bottom of the transmission rod 7; the driving rod 12 is fixedly connected with a first rack 6, the bearing frame 1 is provided with an adapting groove, and the first rack 6 is slidably connected in the adapting groove; the first rack 6 and the second rack 10 are respectively meshed with the upper side and the lower side of the transmission gear 11, so when the driving rod 12 slides, the first rack 6 can be driven to slide, when the first rack 6 slides, the transmission gear 11 can be driven to rotate, the transmission rod 7 can be driven to slide through the second rack 10, the piston 5 can slide inside the medicine storage cylinder 3, medicine is extruded from the inside of the medicine storage cylinder 3, and the medicine storage cylinder is convenient for veterinarian to use.

In the embodiment provided by the utility model, the sliding groove 8 is formed in the bearing frame 1, the transmission rod 7 is arranged in the sliding groove 8 in a sliding manner, the reset spring 9 is arranged between the sliding groove 8 and the transmission rod 7, wherein the elastic force of the reset spring 9 drives the transmission rod 7 to slide far away from the needle 4, so that when no external force drives the second rack 10 to slide, the process of restoring elastic deformation of the reset spring 9 drives the second rack 10 to slide at the moment, and the second rack 10 can be driven to slide through the transmission gear 11, so that the driving rod 12 is driven to reset, and the next injection use is facilitated.

In the embodiment provided by the utility model, the bottom of the bearing frame 1 is provided with the avoidance groove 17, and the driving rod 12 is slidably connected in the avoidance groove 17, so that the driving rod 12 can slide conveniently.

In the embodiment provided by the utility model, the two sides of the second rack 10 are fixedly connected with the limit strips 15, the limit grooves 16 are formed in the bearing frame 1, and the limit strips 15 are slidably connected in the limit grooves 16, so that the stability of the second rack 10 during sliding can be further improved, and the use effect is good.

In the embodiment provided by the utility model, the grip 13 is in an inclined state, so that the grip is convenient for a veterinarian to hold and use.

In the embodiment provided by the utility model, the driving rod 12 is provided with an arc-shaped groove, and the driving rod 12 is designed according to the ergonomics so as to be convenient for a finger to drive the driving rod 12 to slide.

In the embodiment provided by the utility model, the mounting groove 2 is formed in the bearing frame 1, and the medicine storage cylinder 3 is arranged in the bearing frame 1 through the mounting groove 2, so that the installation and the use of the medicine storage cylinder 3 are convenient, and the effect is good.

It should be noted that the electric equipment in the present application can be powered by a storage battery or an external power supply.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquid medicine syringe, includes bears frame (1), bear frame (1) inside to be provided with and store up cartridge case (3), be provided with syringe needle (4), its characterized in that on store up cartridge case (3):

a piston (5) is arranged in the medicine storage cylinder (3) in a sliding manner, a transmission rod (7) is fixedly connected to the piston (5), and a grip (13) is arranged on the bearing bottom;

a driving rod (12) is connected to the bottom of the bearing frame (1) in a sliding manner, and the driving rod (12) is in transmission connection with the transmission rod (7) through a transmission mechanism;

when the driving rod (12) slides to one side of the handle (13), the driving rod (7) is driven by the driving mechanism to slide to one side close to the needle head (4), so that the piston (5) slides in the medicine storage cylinder (3) to throw out the medicine in the medicine storage cylinder (3).

2. A medical fluid injector as defined in claim 1, wherein: the transmission mechanism comprises a rotating support rod (14) which is rotatably connected inside the bearing frame (1), and a transmission gear (11) is fixedly connected to the rotating support rod (14);

a second rack (10) is arranged at the bottom of the transmission rod (7), a first rack (6) is fixedly connected to the driving rod (12), an adapting groove is formed in the bearing frame (1), and the first rack (6) is slidably connected in the adapting groove;

the first rack (6) and the second rack (10) are respectively meshed with the upper side and the lower side of the transmission gear (11).

3. A medical fluid injector as defined in claim 2, wherein: the bearing frame is characterized in that a sliding groove (8) is formed in the bearing frame (1), the transmission rod (7) is arranged in the sliding groove (8) in a sliding mode, and a reset spring (9) is arranged between the sliding groove (8) and the transmission rod (7).

4. A medical fluid injector as defined in claim 1, wherein: an avoidance groove (17) is formed in the bottom of the bearing frame (1), and the driving rod (12) is connected in the avoidance groove (17) in a sliding mode.

5. A medical fluid injector as defined in claim 2, wherein: both sides of the second rack (10) are fixedly connected with limit bars (15), limit grooves (16) are formed in the bearing frame (1), and the limit bars (15) are slidably arranged and connected in the limit grooves (16).

6. A medical fluid injector as defined in claim 1, wherein: the grip (13) is in an inclined state.

7. A medical fluid injector as defined in claim 1, wherein: the driving rod (12) is provided with an arc-shaped groove.

8. A medical fluid injector as defined in claim 1, wherein: the novel medicine storage box is characterized in that a mounting groove (2) is formed in the bearing frame (1), and the medicine storage box (3) is arranged in the bearing frame (1) through the mounting groove (2).