CN214908617U

CN214908617U - Veterinarian syringe capable of preventing needle from being broken

Info

Publication number: CN214908617U
Application number: CN202120904485.2U
Authority: CN
Inventors: 宋秀艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-30
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses an injector for preventing needle breakage for veterinarians, which comprises an injector tube body, a piston push rod assembly arranged in the injector tube body in an axial sliding manner, a needle head arranged on a liquid outlet pipe at the tail part of the injector tube body, and a push rod body with one end axially arranged in the port at one end of a loop bar in a sliding manner; the syringe tube body is arranged inside the push rod body, and the top end of the needle head is flush with the port of the sleeve rod through an elastic piece arranged in the sleeve rod; and the piston push rod assembly is used for driving the sleeve rod and the piston push rod assembly to keep relative movement. The utility model discloses a veterinarian prevents broken needle syringe accomplishes the injection of liquid medicine when thoroughly pricking in the syringe, then extracts rapidly, pricks this action completion injection of an in-process of pulling out promptly, and whole in-process has avoided the cracked problem of syringe needle in the time of domestic animals' reflection of the nerves reaction, and easy operation, convenient to use is swift.

Description

Veterinarian syringe capable of preventing needle from being broken

Technical Field

The utility model relates to an animal doctor prevents broken needle syringe.

Background

When a large-sized livestock is treated by using an injector, the problem of needle breakage often occurs. The traditional injector adopts a steel needle with a thicker needle head, and the steel needle is directly inserted into the body of the livestock, and then the push rod of the injector is quickly pushed down to quickly inject the liquid into the body of the livestock. The needle breaks against the skin of the animal due to the hysteresis of the injection action.

According to patent No. CN201920341756.0, a veterinary syringe for preventing needle breakage is disclosed, which is characterized in that: including injecing mechanism and injection mechanism, injection mechanism includes syringe, coupling assembling and syringe needle, the syringe needle is located the front end of syringe and passes through coupling assembling fixed connection between the two, injecing mechanism includes angle adjusting component and fixed subassembly, fixed subassembly is installed at angle adjusting component's front end. Can adsorb alcohol through the cotton that absorbs water of supporting leg front end when using, inject the position laminating with it with the animal again, the alcohol on the cotton that absorbs water can play sterile effect for the animal on the one hand, and on the other hand, alcohol is volatile, can make animal skin temperature reduce rapidly, can reduce the uncomfortable sense that produces when injecting through the impression of temperature reduction to reduce the amplitude of disturbance of animal.

The above-mentioned solution is consistent with the structure of the conventional injector, but the so-called alcohol wiping technique for temperature reduction is added, but the problem of breakage of the steel needle cannot be solved, so that the problem of delay of the injection action still remains, and when the injector is inserted into the body of the livestock, the injector stimulates the livestock to escape and the steel needle is broken, so that the above-mentioned solution is not practicable at all.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a veterinarian prevents disconnected needle syringe accomplishes the injection when pricking the domestic animal in vivo.

In order to achieve the above object, the present invention provides the following technical solutions: an veterinarian anti-needle-breaking syringe comprises a syringe tube body, a piston push rod assembly, a needle head and a push rod body, wherein the piston push rod assembly is positioned in the syringe tube body in an axial sliding mode, the needle head is arranged on a liquid outlet pipe at the tail of the syringe tube body, and one end of the push rod body is axially arranged in a port at one end of a sleeve rod in a sliding mode; the syringe tube body is arranged inside the push rod body, and the top end of the needle head is flush with the port of the sleeve rod through an elastic piece arranged in the sleeve rod; and the piston push rod assembly is used for driving the sleeve rod and the piston push rod assembly to keep relative movement.

Preferably, the end opening of the sleeve rod, which is opposite to one end of the push rod body, is wrapped by a rubber outer sleeve, and the outer wall of the sleeve rod, which is close to one end of the push rod body, is symmetrically provided with lifting handles.

Preferably, one end of the push rod body, which is opposite to the sleeve rod, is provided with a pressing handle, one end of the piston push rod assembly, which is located inside the sleeve rod, is provided with a sleeve ring, and the syringe tube body is arranged on the piston push rod assembly through the sleeve ring.

Preferably, the piston and push rod assembly comprises a piston block and a push rod part, the push rod part is assembled to enable the piston block arranged at the bottom to be located in the syringe tube body to keep the piston moving, and the outer wall of one side of the push rod part is provided with a tooth opening.

Preferably, the driving assembly comprises a guide toothed plate symmetrically arranged on the inner wall of the loop bar, a push rod part with a toothed opening on one outer wall of the piston and push rod assembly, and a gear, the gear is assembled to drive one of the guide toothed plate and the push rod part to be connected, and the gear is located in the push rod body.

Preferably, a sleeve is arranged in a space between the push rod body and the syringe tube body, a slide I for the sliding of the guide toothed plates is arranged on the outer wall of the sleeve, a slide II for the sliding of the push rod part is arranged at the center of the sleeve, and the gear is mounted on the sleeve and positioned between the push rod part and one of the guide toothed plates.

Preferably, a predetermined distance is maintained between the two guide tooth plates and the inner wall of the loop bar, and the distance forms a spring groove, and an elastic member is arranged in the spring groove.

Preferably, the outer wall of the push rod body is provided with a perspective window, the perspective window is provided with scales, and the syringe tube body is made of transparent plastics.

In the technical scheme, the utility model provides a pair of animal doctor prevents broken needle syringe specifically above effect: when the injector is pricked into the livestock body, the push rod part can synchronously and axially move along with the loop bar, and the moving directions are opposite (the loop bar moves firstly, is driven by the gear after 0.1s-0.02s, and the push rod part moves), the injection of the liquid medicine is completed while the injector is thoroughly pricked, and then the injector is rapidly pulled out. This action of the prick during the prick-pull completes the injection. In addition, the problem of needle breakage is avoided in the livestock reflex nerve reaction time in the whole process, and the operation is simple, and the use is convenient and quick.

Due to the technical effects, the automobile comprising the automobile body also has corresponding technical effects.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used 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 invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structure diagram provided in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an installation structure of the elastic member according to an embodiment of the present invention.

Description of reference numerals:

1. a push rod body; 11. a pressing handle; 2. a loop bar; 21. a rubber jacket; 22. lifting a handle; 3. an elastic member; 4. a drive assembly; 41. a guide toothed plate; 42. a gear; 6. a sleeve; 100. a syringe barrel; 101. a piston and push rod assembly; 1011. a piston block; 1012. a push rod part; 102. a needle.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, a veterinary syringe for preventing needle breakage comprises a syringe tube 100, a piston rod assembly 101 disposed in the syringe tube 100 in an axial sliding manner (the piston rod assembly 101 includes a piston block 1011 and a rod portion 1012), a needle 102 mounted on a liquid outlet tube at the tail of the syringe tube 100, and a rod body 1 having one end disposed in a port at one end of a sleeve rod 2 in an axial sliding manner, in the embodiment, the original syringe structure is retained, and an external carrier structure is added, that is, the sleeve rod 2 and the rod body 1 are inserted and matched, and the rod body 1 are kept at a predetermined telescopic distance (shown in fig. 4) by an elastic member 3, and this distance ensures that the steel needle 102 is flush with the port of the sleeve rod 2 (shown in fig. 4). Furthermore, there is a fit between the plunger rod assembly 101 and the sleeve rod 2, and the main fit is that when the sleeve rod 2 moves vertically upwards, the plunger rod assembly 101 pushes the liquid medicine to extrude out of the syringe tube 100 (fig. 1) under the drive of the internal driving assembly 4. This action of the prick during the prick-pull completes the injection. And in the whole process, the problem of needle breakage is avoided in the livestock reflex nerve reaction time of the livestock.

Further, the driving assembly 4 in the above scheme is a guide toothed plate 41 symmetrically disposed on the inner wall of the loop bar 2, a push rod portion 1012 with a toothed opening on one side outer wall of the piston and push rod assembly 101, and a gear 42. As can be seen from fig. 2 and 4, a sleeve 6 is provided in the space between the plunger body 1 and the syringe barrel 100, wherein:

the guide toothed plate 41 is positioned in the slide ways 1 at the two sides of the sleeve 6;

the push rod part 1012 is located in the slideway 11 at the centre of the sleeve 6;

and the gears 42 are installed on the sleeve 6 and are respectively used for engaging with the tooth surfaces of one of the guide tooth plates 41 with the tooth openings and the push rod portion 1012.

It should be noted that, when inserting into the livestock body, the loop bar 2 moves first, and is driven by the gear 42 after 0.1s-0.02s, and the push rod portion 1012 moves, that is, the tooth mouth of the guide tooth plate 41 keeps a certain distance from the top, and the distance is ensured to satisfy the above technical characteristics, and will not be disclosed in detail herein.

In the embodiment, the top of the push rod body 1 is provided with a pressing handle 11, which is convenient for a user to apply force during needle insertion, so as to ensure the needle insertion speed.

Further, the loop bar 2 is respectively provided with a rubber outer sleeve 21 and a lifting handle 22, wherein the rubber outer sleeve 21 is positioned near the needle 102 to play a role of protecting the edge of the loop bar 2, and the loop bar 2 is made of stainless steel.

Furthermore, the setting of handle 22 is mainly for in the syringe body 100 that sends into of convenient animal doctor's medicine, through pressing down handle 11 and handle 22 for loop bar 2 removes, and piston block 1011 at this moment is located the bottom in syringe body 100, then inserts the medicine bottle, unclamps handle 22, can make animal doctor's anti-broken needle syringe reset to the state of fig. 1, then will be located the inside medicine bottle of loop bar 2 and take out and can accomplish the medicine of getting into.

As a further technical solution provided by the present invention, a perspective window is provided on the outer wall of the push rod body 1, which is mainly used to observe the amount of the medicament in the syringe body 100, and belongs to the conventional technology, and is not disclosed in detail herein.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. An veterinarian anti-needle-breaking syringe comprises a syringe tube body (100), a piston push rod assembly (101) which is positioned in the syringe tube body (100) and arranged in an axial sliding manner, and a needle (102) which is arranged on a liquid outlet pipe at the tail part of the syringe tube body (100), and is characterized by further comprising a push rod body (1) one end of which is axially arranged in a port at one end of a sleeve rod (2) in a sliding manner; the syringe tube body (100) is arranged inside the push rod body (1), and the top end of the needle (102) is flush with the port of the sleeve rod (2) through an elastic piece (3) arranged in the sleeve rod (2); and the piston push rod assembly also comprises a driving assembly (4) for driving the sleeve rod (2) and the piston push rod assembly (101) to keep relative movement.

2. The veterinary syringe for preventing needle breakage according to claim 1, wherein the end of the sleeve rod (2) opposite to one end of the push rod body (1) is wrapped with a rubber outer sleeve (21), and the outer wall of the sleeve rod (2) close to one end of the push rod body (1) is symmetrically provided with lifting handles (22).

3. The veterinary syringe for preventing needle breaking according to claim 1, wherein a pressing handle (11) is arranged at one end of the push rod body (1) opposite to the sleeve rod (2), a collar is arranged at one end of the piston push rod assembly (101) inside the sleeve rod (2), and the syringe tube body (100) is arranged on the piston push rod assembly (101) through the collar.

4. The veterinary anti-needle-breaking syringe as claimed in claim 1, characterized in that the piston and push rod assembly (101) comprises a piston block (1011) and a push rod part (1012), the push rod part (1012) is assembled to make the piston block (1011) arranged at the bottom part positioned in the syringe tube body (100) to keep the piston moving, and the outer wall of one side of the push rod part (1012) is provided with a tooth mouth.

5. The veterinary syringe for preventing needle breaking according to claim 1, characterized in that the driving assembly (4) comprises guide toothed plates (41) symmetrically arranged on the inner wall of the loop bar (2), a push rod part (1012) with a toothed opening on one outer wall of the piston and push rod assembly (101), and a gear (42), wherein the gear (42) is assembled for driving and connecting one of the guide toothed plates (41) and the push rod part (1012), and the gear (42) is located in the push rod body (1).

6. The veterinary syringe for preventing needle breakage according to claim 5, wherein a sleeve (6) is disposed in a space between the push rod body (1) and the syringe tube body (100), a slide way I for sliding the guide toothed plate (41) is disposed on an outer wall of the sleeve (6), a slide way II for sliding the push rod portion (1012) is disposed in a center of the sleeve (6), and the gear (42) is mounted on the sleeve (6) and located between the push rod portion (1012) and one of the guide toothed plates (41).

7. Veterinary syringe according to claim 5, characterized in that the two guide teeth plates (41) are kept at a predetermined distance from the inner wall of the stem (2) and this distance forms a spring slot in which the spring (3) is arranged.

8. The veterinary syringe for preventing needle breaking according to claim 1, wherein the outer wall of the push rod body (1) is provided with a transparent window, the transparent window is provided with scales, and the syringe tube body (100) is made of transparent plastic.