CN111631837A

CN111631837A - Special syringe of adjustable extrusion force of animal doctor

Info

Publication number: CN111631837A
Application number: CN202010574239.5A
Authority: CN
Inventors: 吴克坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-09-08

Abstract

The invention discloses an extrusion force adjustable syringe special for veterinarians, which comprises a syringe, wherein a push rod is inserted into the top of the syringe, a liquid pushing plate is fixedly connected to the bottom of the push rod, an extrusion rod is fixedly connected to the bottom of the liquid pushing plate, an injection needle is inserted into the bottom of the syringe, a spring wheel is meshed and connected to the left side of the injection needle, a pull rod is rotatably connected to the bottom of the spring rod, a push rod is slidably connected to the surface of an inner wheel of a ratchet wheel, an inflation plate is fixedly connected to one side of the push rod, which is far away from the ratchet wheel, an inflation box is slidably connected to the side face of the inflation plate, and an inflation tube is fixedly connected to one side of. This syringe of special adjustable extrusion force of animal doctor uses through the cooperation of extrusion stem and kelly to reached when the animal fierce reaction, automatically regulated syringe needle receives the extrusion force, prevented that the syringe needle from continuing to the inside male effect of animal.

Description

Special syringe of adjustable extrusion force of animal doctor

Technical Field

The invention relates to the technical field of veterinarians, in particular to a special syringe capable of adjusting extrusion force for veterinarians.

Background

Veterinarians are doctors who administer disease prevention, diagnosis and treatment to animals, in particular: veterinarians are a class of workers that use medical methods to promote the coordination of the animal's body with microorganisms and the natural environment, both wild and poultry livestock, and are important in the context of the present market for pets that is so prosperous.

After the animal suffers a disease, the veterinarian needs to inject the medicine into the animal using the syringe, however, during the injection, the animal may react violently, causing the needle to be inserted into the animal further, and eventually damaging the animal due to the too deep insertion, so that a syringe capable of preventing the needle from being inserted too deep is required.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the special extrusion force adjustable syringe for veterinarians, which has the advantages of automatically adjusting the extrusion force borne by the needle head and preventing the needle head from being continuously inserted into an animal when the animal reacts violently, and the like, and solves the problems that the extrusion force borne by the needle head cannot be automatically adjusted and the needle head is prevented from being continuously inserted into the animal when the existing syringe reacts violently.

(II) technical scheme

In order to realize the aim of automatically adjusting the extrusion force borne by the needle head and preventing the needle head from being continuously inserted into the animal when the animal reacts violently, the invention provides the following technical scheme: the injector capable of adjusting the extrusion force specially used for veterinarians comprises an injection tube, wherein a push rod is arranged at the top of the injection tube in an inserting mode, a liquid pushing plate is fixedly connected to the bottom of the push rod, an extrusion rod is fixedly connected to the bottom of the liquid pushing plate, an injection needle is arranged at the bottom of the injection tube in an inserting mode, a spring wheel is connected to the left side of the injection needle in an engaging mode, a clamping rod is arranged on the left side of the injection needle and below the spring wheel, an extrusion block is fixedly connected to the left side of the clamping rod, an elastic rod is fixedly connected to the right side of the injection needle, a one-way clamping block is arranged above the elastic rod, a spring rod is fixedly connected to the inner wall of the injection needle, a pull rod is rotatably connected to the bottom of the spring rod, a ratchet wheel is connected to the side of the pull rod, the side surface of the inflatable plate is connected with an inflatable box in a sliding mode, and one side, far away from the injection needle, of the inflatable box is fixedly connected with an inflatable tube.

Preferably, the other side of the inflation tube is fixedly connected with an air bag.

Preferably, the side surface of the extrusion rod is provided with a triangular bulge, and the triangular bulge extrudes the spring rod when moving downwards to a certain distance to store force for the spring rod.

Preferably, the left side of the injection needle is provided with teeth and can be inserted by a clamping rod.

Preferably, the elastic rod is in one-way upward clamping connection with the one-way clamping block.

Preferably, the side surface of the inflation plate is connected with the inflation box through a return spring, so that the ejector rod continuously reciprocates left and right.

Preferably, the ratchet wheel and the pull rod are in one-way upward meshing transmission.

Preferably, a one-way air inlet pipe is arranged on the side face of the inflation box, air is sucked through the one-way air inlet pipe when the inflation plate moves, and the air bag is inflated through the inflation pipe.

(III) advantageous effects

Compared with the prior art, the invention provides a syringe capable of adjusting extrusion force special for veterinarians, which has the following beneficial effects:

1. this special syringe of adjustable extrusion force of animal doctor uses through the cooperation of extrusion stem and kelly, when injecting medicine to the animal, presses the extrusion piece for the extrusion piece drives the kelly and inserts between the tooth that the syringe needle side set up, blocks the syringe needle, inserts the syringe needle this moment in the animal body, begins to promote the push rod, injects the inside liquid medicine of syringe pipe in the animal body through the liquid pushing plate.

When the animal has violent reaction when injecting, the animal can drive the syringe needle and remove, when producing parallel extrusion to the syringe needle, the syringe needle can have for the trend of syringe tube upward movement, is blockked by the elastic rod through one-way fixture block, and when the extrusion force reached certain size, the elastic rod crooked to a certain extent, crossed one-way fixture block and moved upward relative to the syringe tube, the syringe needle has reached the critical value that can continue to insert the animal at this moment.

The injection needle moves upwards beyond the one-way clamping block, so that the extrusion force of the injection needle for animals is removed, the extrusion force is not increased, the injection needle can be meshed with the clockwork wheel to drive when moving upwards relative to the injection tube, when the animals do not react violently, the injection needle is driven to move to the initial position under the action of the torsional force of the clockwork wheel to continue injection, and the animals cannot be damaged, so that the effect of automatically adjusting the extrusion force borne by the needle head when the animals react violently is achieved, and the needle head is prevented from continuing to be inserted into the animals.

2. The injector with the adjustable extrusion force special for veterinarian uses the spring rod and the ejector rod in a matching way, in the injection process, the extrusion rod moves downwards under the driving of the liquid pushing plate, because the triangular bulge is arranged on the side surface of the extrusion rod, when the extrusion rod is contacted with the spring rod, the spring rod is extruded to cause the bending of the spring rod, when the triangular bulge is separated from the spring rod, the spring rod suddenly loses the extrusion force to cause the rapid upward bouncing to drive the pull rod, and the pull rod is in meshing transmission with the ratchet wheel, so the pull rod moves rapidly upwards, and generates the meshing transmission with the ratchet wheel and then is separated from the ratchet wheel, under the action of inertia force, the ratchet wheel continuously rotates, the ejector rod is pushed towards the direction of the inflation box through the arc bulge arranged on the surface of the inner wheel, under the action of the reset spring arranged on the side surface of the inflation plate, the ejector rod continuously moves, because the side of the inflation box is provided with the one-way air inlet pipe, the inflation box inflates the air bag through the inflation pipe under the movement of the inflation plate, the air bag expands to fill the side area of the part of the injection needle inside the injection pipe, and therefore the effect that the liquid medicine inside the injection pipe is completely injected into the animal body by the liquid pushing plate is achieved.

Drawings

FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;

FIG. 2 is a schematic view of a triangular protrusion on the side of the extrusion stem according to the present invention;

FIG. 3 is a schematic cross-sectional view of a needle constructed in accordance with the present invention;

FIG. 4 is a schematic view of the mechanism for connecting the ejector rod with the structure of the present invention.

In the figure: 1. the injection device comprises an injection tube, 2, a push rod, 3, a liquid pushing plate, 4, an extrusion rod, 5, an injection needle, 6, a spring wheel, 7, a clamping rod, 8, an extrusion block, 9, an elastic rod, 10, a one-way clamping block, 11, a spring rod, 12, a pull rod, 13, a ratchet wheel, 14, an ejector rod, 15, an inflation plate, 16, an inflation box, 17, an inflation tube, 18 and an air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an injector capable of adjusting extrusion force specially used for veterinarians comprises an injection tube 1, wherein the injection tube 1 is made of light plastic, so that equipment can be effectively prevented from being corroded, the service life of the equipment is greatly prolonged, the production cost is reduced, and the injector plays an indispensable role in enterprises, a push rod 2 is inserted into the top of the injection tube 1, a liquid pushing plate 3 is fixedly connected to the bottom of the push rod 2, an extrusion rod 4 is fixedly connected to the bottom of the liquid pushing plate 3, a triangular bulge is arranged on the side surface of the extrusion rod 4, and extrudes a spring rod 11 when moving downwards to a certain distance to accumulate force on the spring rod 11, an injection needle 5 is inserted into the bottom of the injection tube 1, teeth are arranged on the left side of the injection needle 5 and can be inserted by the clamping rod 7, a spring wheel 6 is meshed with the left side of the injection needle 5, a clamping rod 7 is arranged on the left side of the injection needle 5 and, the left side of the clamping rod 7 is fixedly connected with an extrusion block 8, the right side of the injection needle 5 is fixedly connected with an elastic rod 9, the elastic rod 9 is in one-way upward clamping connection with a one-way clamping block 10, the one-way clamping block 10 is arranged above the elastic rod 9, the inner wall of the injection needle 5 is fixedly connected with a spring rod 11, the bottom of the spring rod 11 is rotatably connected with a pull rod 12, the side surface of the pull rod 12 is in one-way upward meshing transmission with the ratchet 13, the inner wheel surface of the ratchet 13 is in sliding connection with a push rod 14, the material of the push rod 14 is stainless steel, equipment corrosion can be effectively prevented, one side of the push rod 14, which is far away from the ratchet 13, is fixedly connected with an inflatable plate 15, the side surface of the inflatable plate 15 is connected with an inflatable box 16 through a reset spring, the push rod 14 is enabled to continuously reciprocate left, when the inflatable plate 15 moves, air is sucked through the one-way air inlet pipe, the air bag 18 is inflated through the inflatable pipe 17, one side of the inflatable box 16, which is far away from the injection needle 5, is fixedly connected with the inflatable pipe 17, and the other side of the inflatable pipe 17 is fixedly connected with the air bag 18.

When injecting medicine to the animal, press extrusion block 8 for extrusion block 8 drives clamping bar 7 and inserts between the tooth that 5 sides of syringe needle set up, blocks syringe needle 5, inserts the animal with syringe needle 5 this moment in vivo, begins to promote push rod 2, injects the inside liquid medicine of syringe 1 in the animal through injection plate 3.

When the animal reacts violently during injection, the animal can drive the injection needle 5 to move, and when the injection needle 5 produces parallel extrusion, the trend that the injection needle 5 can have for injection tube 1 upwards to move, is blockked by the elastic rod 9 through one-way fixture block 10, and when the extrusion force reached certain size, the elastic rod 9 crooked to certain extent, crossed one-way fixture block 10 and upwards moved for injection tube 1, and injection needle 5 has reached the critical value that can continue to insert in the animal at this moment.

Because the injection needle 5 moves upwards beyond the one-way clamping block 10, the extrusion force of the injection needle 5 on the animal is removed, the extrusion force cannot be increased, the injection needle 5 can be meshed with the clockwork wheel 6 to perform transmission when moving upwards relative to the injection tube 1, when the animal does not react violently, the injection needle 5 is driven to move to the initial position under the action of the torsional force of the clockwork wheel 6 to perform continuous injection without damaging the animal, and therefore the effect that the extrusion force applied to the needle head is automatically adjusted when the animal reacts violently, and the needle head is prevented from being continuously inserted into the animal is achieved.

In the process of injection, the extrusion rod 4 is driven by the liquid pushing plate 3 to move downwards, because the triangular bulge is arranged on the side surface of the extrusion rod 4, when the triangular bulge is contacted with the spring rod 11, the spring rod 11 can be extruded to cause the spring rod 11 to bend, when the triangular bulge is separated from the spring rod 11, the spring rod 11 suddenly loses extrusion force to cause quick upwards bouncing to drive the pull rod 12, the pull rod 12 is in meshing transmission with the ratchet wheel 13, so the pull rod 12 quickly moves upwards, and is in meshing transmission with the ratchet wheel 13 and then is separated from the ratchet wheel 13, under the action of inertia force, the ratchet wheel 13 continuously rotates, the push rod 14 is pushed towards the direction of the inflating box 16 through the arc bulge arranged on the surface of the inner wheel, under the action of the restoring spring arranged on the side surface of the inflating plate 15, the push rod 14 continuously moves left and right circularly to drive the inflating plate 15 to synchronously move, and because the side surface of the inflating box, therefore, under the movement of the inflation plate 15, the inflation box 16 inflates the air bag 18 through the inflation tube 17, the air bag 18 expands to fill the side area of the injection needle 5 positioned in the injection tube 1, and the effect that the liquid pushing plate 3 completely injects the liquid medicine in the injection tube 1 into the animal body is achieved.

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

Claims

1. The utility model provides a syringe of adjustable extrusion force of veterinarian special use, includes syringe (1), its characterized in that: the injection needle is characterized in that a push rod (2) is arranged at the top of the injection tube (1) in an inserting mode, a liquid pushing plate (3) is fixedly connected to the bottom of the push rod (2), an extrusion rod (4) is fixedly connected to the bottom of the liquid pushing plate (3), an injection needle (5) is arranged at the bottom of the injection tube (1) in an inserting mode, a spring wheel (6) is connected to the left side of the injection needle (5) in a meshing mode, a clamping rod (7) is arranged on the left side of the injection needle (5) and below the spring wheel (6), an extrusion block (8) is fixedly connected to the left side of the clamping rod (7), an elastic rod (9) is fixedly connected to the right side of the injection needle (5), a one-way clamping block (10) is arranged above the elastic rod (9), a spring rod (11) is fixedly connected to the inner wall of the injection needle (5, the side meshing of pull rod (12) is connected with ratchet (13), the interior wheel surface sliding connection of ratchet (13) has ejector pin (14), one side fixedly connected with gas charging plate (15) of ratchet (13) are kept away from in ejector pin (14), the side sliding connection of gas charging plate (15) has gas-filled tank (16), one side fixedly connected with gas tube (17) of syringe needle (5) are kept away from in gas-filled tank (16).

2. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: the other side of the inflation tube (17) is fixedly connected with an air bag (18).

3. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: the side surface of the extrusion rod (4) is provided with a triangular bulge.

4. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: the left side of the injection needle (5) is provided with teeth, and the teeth can be inserted by a clamping rod (7).

5. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: the elastic rod (9) is in one-way upward clamping connection with the one-way clamping block (10).

6. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: the side surface of the inflatable plate (15) is connected with an inflatable box (16) through a return spring.

7. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: the ratchet wheel (13) and the pull rod (12) are in one-way upward meshing transmission.

8. The veterinarian-specific adjustable squeeze force syringe of claim 1, wherein: and a one-way air inlet pipe is arranged on the side surface of the inflation box (16).