CN219963162U

CN219963162U - Quantitative injector for animals

Info

Publication number: CN219963162U
Application number: CN202320378832.1U
Authority: CN
Inventors: 王香祖; 席继锋; 刘瑞玲; 王世银; 陈英; 许芸; 丑武江; 赵永旭
Original assignee: Xinjiang Agricultural Vocational Technical College
Current assignee: Xinjiang Agricultural Vocational Technical College
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-11-07
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the field of syringes, in particular to a quantitative syringe for animals, which comprises a syringe, wherein a piston is inserted into the syringe, the exposed end of the piston is connected with an outer cylinder, the outer cylinder is sleeved outside the syringe, an external thread is arranged on the outer wall of the syringe, a check ring is connected with the thread on the outer wall of the syringe, and a scale mark is arranged on the outer wall of the syringe.

Description

Quantitative injector for animals

Technical Field

The utility model relates to the field of syringes, in particular to a quantitative syringe for animals.

Background

For animal treatment or animal research and experiments, the injector is required to inject medicines, so that the success of the experiment research or the guarantee of the treatment effect can be ensured, and the injector is required to inject medicines accurately.

The existing injection device for animals can accurately inject only through manual control of injection quantity, and highly concentrated and strict hand control is needed, but the animals are not easy to control in the injection process, the injection difficulty of operators is high, and the injection quantity is easy to deviate.

Disclosure of Invention

The utility model aims to solve the following problems in the prior art: the existing injection device for animals can accurately inject only through manual control of injection quantity, and highly concentrated and strict hand control is needed, but the animals are not easy to control in the injection process, the injection difficulty of operators is high, and the injection quantity is easy to deviate.

In order to solve the problems in the prior art, the utility model provides a quantitative injector for animals, which comprises a needle cylinder, wherein a piston is inserted into the needle cylinder, the exposed end of the piston is connected with an outer cylinder, the outer cylinder is sleeved outside the needle cylinder, an external thread is arranged on the outer wall of the needle cylinder, a check ring is connected with the thread on the outer wall of the needle cylinder, a scale mark is arranged on the outer wall of the needle cylinder, a user holds the needle cylinder by hand, pulls the outer cylinder and the piston to move relative to the needle cylinder, sucks medicine into the needle cylinder, and according to injection requirements, the position of the check ring on the surface of the needle cylinder is adjusted by comparing the scale mark with the position of the check ring, the distance between the outer cylinder and the check ring is limited, and the outer cylinder is pushed to the position of the check ring, so that the piston can accurately discharge medicine.

Preferably, the external diameter of retaining ring is greater than the external diameter of urceolus, and one side that the retaining ring is close to the urceolus is planar, makes the retaining ring can be accurate counterpoint with the scale for the position of accurate restriction urceolus, and the outward flange of retaining ring is concave convex form, and the manual retaining ring of rotating of being convenient for adjusts its position.

Preferably, the outer cylinder and the needle cylinder are concentrically arranged, and the inner diameter of the outer cylinder is in clearance fit with the outer wall of the needle cylinder, so that the external threads on the surface of the needle cylinder are prevented from influencing the pushing of the outer cylinder.

Preferably, the outer wall of the needle cylinder is provided with at least one plane strip, the plane strip is parallel to the tangential plane of the needle cylinder, the axial distance between the plane strip and the needle cylinder is smaller than the radius of the needle cylinder, the scale marks are arranged along the plane strip, and the inner wall of the outer cylinder is in sliding fit with the plane strip, so that the inner wall of the outer cylinder and the outer wall of the needle cylinder form limited sliding, the outer cylinder is prevented from rotating relative to the needle cylinder, and the accurate linear pushing action is kept.

Preferably, a threaded cylinder is fixed at the center of the end face of the outer cylinder, the end part of the piston is in threaded connection with the threaded cylinder, the outer cylinder and the piston are convenient to detach, independent replacement of parts is achieved, and cost is saved.

Preferably, a through hole is formed in the position, close to the threaded cylinder, of the outer cylinder, and is used for balancing air pressure in the outer cylinder with external air pressure.

Preferably, a pull ring is fixed on the outer wall of one end of the outer cylinder, which is close to the threaded cylinder, so that fingers can be conveniently inserted into the pull ring to control the outer cylinder to move in a telescopic manner relative to the needle cylinder.

Preferably, the outer cylinder and the needle cylinder are made of transparent plastic, and the graduation marks are colored and used for observing the medicine sucking condition in the needle cylinder and intuitively reflecting the limit position of the check ring.

Compared with the related art, the quantitative injector for the livestock has the following beneficial effects:

according to the utility model, the position of the retainer ring is adjusted by referring to the scale marks through the retainer ring which is arranged outside the needle cylinder in a threaded manner, and the retainer ring is matched with the outer cylinder sleeved outside the needle cylinder, so that the distance between the outer cylinder and the retainer ring is accurately adjusted, the accurate control of the injection quantity is realized, and the operation is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a second schematic diagram of the overall structure of the present utility model.

Reference numerals in the drawings: 1. a needle cylinder; 2. a piston; 3. an outer cylinder; 4. a retainer ring; 5. a pull ring; 6. a through hole; 7. a scale mark; 8. a screw thread cylinder.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Example 1

As shown in fig. 1-3, a veterinary dosing syringe is assembled from the following components:

and (3) assembly description: the piston 2 is inserted into the needle cylinder 1, the outer cylinder 3 is sleeved outside the needle cylinder 1, the end part of the piston 2 is concentrically connected with the outer cylinder 3, the pull ring 5 is fixed at the end part of the outer cylinder 3, the end surface of the outer cylinder 3 is provided with a through hole 6, and the retainer ring 4 is connected with the outside of the needle cylinder 1 in a threaded manner.

Working principle: the operator's finger passes pull ring 5, holds cylinder 1, pulls urceolus 3 and piston 2 and removes relative cylinder 1, inhales the medicine in the cylinder 1, and according to the injection demand, the rotatory retaining ring 4 of contrast scale mark 7 adjusts its position on cylinder 1 surface, restricts the interval of urceolus 3 and retaining ring 4, promotes urceolus 3 to the position of retaining ring 4, makes the accurate discharge medicine of piston 2.

Example two

and (3) assembly description: the piston 2 is inserted into the needle cylinder 1, the outer cylinder 3 is sleeved outside the needle cylinder 1, a threaded cylinder 8 is fixed in the center of the inner end face of the outer cylinder 3, the end part of the piston 2 is in threaded connection with the threaded cylinder 8, a pull ring 5 is fixed at the end part of the outer cylinder 3, a through hole 6 is formed in the end face of the outer cylinder 3, and a retainer ring 4 is in threaded connection with the outside of the needle cylinder 1.

Working principle: the operator's finger passes pull ring 5, holds cylinder 1, pulls urceolus 3 and piston 2 and removes relative cylinder 1, inhales the medicine in the cylinder 1, and according to the injection demand, the rotatory retaining ring 4 of contrast scale mark 7 adjusts its position on cylinder 1 surface, restricts urceolus 3 and retaining ring 4's interval, promotes urceolus 3 to retaining ring 4's position, makes the accurate discharge medicine of piston 2, can dismantle piston 2 and screw thread section of thick bamboo 8 when later maintenance device, makes spare part independently removable.

Claims

1. The utility model provides a veterinary ration syringe, includes cylinder (1), piston (2) have been inserted to cylinder (1), its characterized in that, the exposed end of piston (2) is connected with urceolus (3), urceolus (3) cover in cylinder (1) outside, and the external screw thread has been seted up to the outer wall of cylinder (1), and the outer wall threaded connection of cylinder (1) has retaining ring (4), and scale mark (7) have been seted up to the outer wall of cylinder (1).

2. The quantitative veterinary syringe according to claim 1, wherein the outer diameter of the retainer ring (4) is larger than the outer diameter of the outer cylinder (3), one side of the retainer ring (4) close to the outer cylinder (3) is planar, and the outer edge of the retainer ring (4) is concave-convex.

3. A veterinary dosing syringe according to claim 1, wherein the outer cylinder (3) is arranged concentrically with the needle cylinder (1) and the inner diameter of the outer cylinder (3) is in clearance fit with the outer wall of the needle cylinder (1).

4. A veterinary dosing injector according to claim 3, characterized in that the outer wall of the needle cylinder (1) is provided with at least one plane strip, the plane strip is parallel to the tangential plane of the needle cylinder (1), the axial distance between the plane strip and the needle cylinder (1) is smaller than the radius of the needle cylinder (1), the graduation marks (7) are arranged along the plane strip, and the inner wall of the outer cylinder (3) is in sliding fit with the plane strip.

5. The quantitative injector for animals according to claim 1, wherein a thread cylinder (8) is fixed at the center of the end face of the outer cylinder (3), and the end part of the piston (2) is in threaded connection with the thread cylinder (8).

6. The quantitative veterinary syringe according to claim 5, wherein the outer cylinder (3) is provided with a through hole (6) at a position close to the threaded cylinder (8).

7. The quantitative veterinary syringe according to claim 5, wherein a pull ring (5) is fixed on the outer wall of one end of the outer cylinder (3) close to the threaded cylinder (8).

8. The veterinary quantitative injector according to claim 1, wherein the outer cylinder (3) and the needle cylinder (1) are both made of transparent plastic, and the graduation marks (7) are colored.