CN213406429U

CN213406429U - Universal injector for beasts

Info

Publication number: CN213406429U
Application number: CN202021055821.2U
Authority: CN
Inventors: 丁志明; 孙涛
Original assignee: Shaoxing Wanjia Appliances Co ltd
Current assignee: Shaoxing Wanjia Appliances Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-06-11
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a general type beast is with syringe, the piston rod that the spring was established to the overcoat is established to the inner chamber of cylinder, the knob is established to the right side tail end of piston rod, hollow handle is established to the lower extreme, the spanner of establishing can be in holding the inner chamber angle swing, the spanner upper end is established the connecting rod that upwards extends and is taken the torsional spring and keep lasting the card tongue of elasticity that makes progress, the zigzag straight-tooth meshing of card tongue front end tip and the outer circumference of piston rod outer circumference range, the dose adjustment support is established to the bottom of spanner, the dose adjustment fixture block of a plurality of dose locating holes is installed to the handle lower extreme, locating pin and dose locating hole elastic connection, the utility model discloses can adjust the dose, pull the spanner and can drive the card tongue and promote the antedisplacement of piston rod and accomplish the injection, let out the spanner card tongue roll back simultaneously and mesh with the zigzag straight-tooth of rear end, accomplish the ration and.

Description

Universal injector for beasts

Technical Field

The utility model belongs to the technical field of veterinary medical instrument technique and specifically relates to a general type syringe for animal.

Background

Regular epidemic prevention and disease treatment are needed for livestock breeding, the epidemic prevention and treatment are generally injection, a conventional injector on the market at present is a syringe type with a simple structure, the mode of pushing the syringe is a hand mode during injection, generally, a forefinger and a middle finger are clamped by two ears of the syringe, and a thumb pushes a piston to inject, and if a similar structure is used for continuously injecting more livestock, the injection is inconvenient, and the injection is easy to fall off due to tired hand drawing; the other is a syringe with a complicated structure, which is long and thin, and in practical application, the problem that the syringe is broken due to insufficient rigidity often occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a universal injector for animals, a piston pull rod with a spring sleeved outside is arranged in the inner cavity of a needle cylinder, a knob is arranged at the right tail end of the piston pull rod, a hollow handle is arranged at the lower end of the piston pull rod, an internally arranged wrench can swing in the inner cavity by an angle, a connecting rod extending upwards and a clamping tongue with a torsional spring and keeping continuous upward elasticity are arranged at the upper end of the wrench, the tip at the front end of the clamping tongue is meshed with saw-tooth straight teeth arranged on the outer circumference of the piston pull rod, a dosage adjusting support is arranged at the bottom of the wrench, a dosage adjusting clamping block with a plurality of dosage positioning holes is arranged at the lower end of the handle, and a positioning pin is elastically connected with the dosage positioning holes, the spanner is pulled to drive the clamping tongue to push the piston pull rod to move forward to complete injection, and the clamping tongue of the spanner is released to simultaneously retract and be meshed with the sawtooth-shaped straight teeth at the rear end to complete quantitative continuous injection.

In order to achieve the above purpose, the technical scheme of the utility model is that: a general type beast injector comprises a needle cylinder, wherein the left end of the needle cylinder is provided with a needle head protective sleeve and is communicated with the inner cavity of the needle cylinder, the inner cavity of the needle cylinder is provided with a piston pull rod sleeved with a spring, and the right tail end of the piston pull rod is provided with a knob;

the lower end of the needle cylinder is provided with a hollow grip, the inner cavity of the grip is provided with a wrench, the wrench is connected with the grip 8 through an axial screw, the wrench can swing in the inner cavity of the grip in an angle mode by taking the axial screw as a base shaft, the upper end of the wrench 5 is provided with a connecting rod extending upwards, the connecting rod is internally provided with an open slot with an upward opening, a clamping tongue is arranged in the open slot and is connected with an axial pin with a torsion spring, and a tip at the front end of the clamping tongue is meshed with saw-tooth straight teeth arranged on the outer circumference of the piston;

the bottom of the wrench is provided with a first elongated slot, the dose adjusting support is fixed with the first elongated slot, the bottom of an inner cavity of the handle is in an open type, the lower end of the handle is provided with a dose adjusting fixture block, the dose adjusting fixture block is provided with a second elongated slot, a plurality of dose positioning holes are uniformly distributed in the second elongated slot, the dose adjusting support is provided with an elastic locking button, a positioning pin is arranged in the elastic locking button, the elastic locking button is pressed inwards, the positioning pin synchronously moves inwards to be separated from the dose positioning holes, and when the elastic locking button is elastically reset, the positioning pin is driven to synchronously move outwards and is connected.

Furthermore, the front end of the clamping tongue is meshed with the sharp head of the sawtooth-shaped straight teeth arranged on the outer circumference of the piston pull rod, and the sharp head keeps continuous upward elasticity under the action of the torsion spring.

The utility model has the advantages that: the utility model discloses elasticity locking button is toward interior on time, and the locating pin removes in step and breaks away from the dose locating hole, and when elasticity locking button elasticity resets, drives the locating pin and outwards in step and be connected and elasticity locking with the dose locating hole, pulls the spanner and can drive the block tongue and promote the antedisplacement of piston pull rod and accomplish the injection, releases the spanner block tongue and roll back simultaneously and with the zigzag straight-tooth meshing of rear end, accomplishes quantitative continuous injection, simple structure, convenient operation, can be convenient be applied to breed livestock injection.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a bottom view of a in fig. 1.

In the figure: the device comprises a needle head protective sleeve 1, a needle cylinder 2, a spring 3, a clamping tongue 4, a wrench 5, a dose adjusting support 6, an elastic locking button 7, a dose adjusting clamping block 71, a handle 8, an axial screw 9, a connecting rod 10, an axial pin 11, a piston pull rod 12, a knob 13, a first long groove 14, a positioning pin 15, a dose positioning hole 16 and a second long groove 17.

Detailed Description

The technical solution of the present invention will be further specifically described below by way of examples and with reference to the accompanying drawings.

As shown in figure 1, a universal injector for beasts, the left end of a needle cylinder 2 is provided with a needle head protective sleeve 1 which is communicated with the inner cavity of the needle cylinder 2 and can be connected with various national standard needle heads without needle release, the outer part of the stainless steel sleeve of the needle cylinder 2 and an inner glass tube are formed, the inner cavity of the glass tube of the needle cylinder 2 is provided with a piston pull rod 12 which is sheathed with a spring 3, the spring keeps the elasticity of always pushing the piston pull rod 12 towards the needle head direction, the right tail end of the piston pull rod 12 is provided with a knob 13 which can increase the acting point when the force is applied when the liquid medicine is added, only the piston pull rod 12 is rotated for a plurality of angles to ensure that the straight teeth of the piston pull rod 12 are separated from the meshing head of the clamping tongue 4, the meshing head of the clamping tongue 4 is changed into the circumferential wall contact of the piston pull rod 12, therefore, the axial movement of the piston pull rod 12 is not interfered, the piston pull rod 12 is pulled backwards, and the liquid medicine can be sucked into the needle cylinder 2 by atmospheric pressure.

As shown in figure 1, the lower end of the syringe 2 is provided with a hollow grip 8, the inner cavity of the grip 8 is provided with a wrench 5, the wrench 5 is connected with the grip 8 by an axial screw 9, the wrench 5 can swing in the inner cavity of the grip 8 by an angle by taking the axial screw 9 as a base shaft, the upper end of the wrench 5 is provided with a connecting rod 10 extending upwards, the connecting rod 10 is internally provided with an open slot with an upward opening, a clamping tongue 4 is arranged in the open slot and is connected with an axial pin 11 with a torsion spring, a tip at the front end of the clamping tongue 4 is meshed with a sawtooth-shaped straight tooth arranged on the outer circumference of a piston pull rod 12, the included angle between the tooth surface facing the direction of the needle head protective sleeve 1 and a vertical line is 3 degrees, the included angle between the tooth surface facing the direction of the end of a knob 13 and the vertical line is 30 degrees, the clamping tongue 4 can push the piston pull rod 12 to move forwards for injection, and can automatically press the clamping tongue, the back-off is smooth, after the back-off is installed, the latch 4 can move downwards under the action of external force to be disengaged from the saw-tooth straight teeth arranged on the outer circumference of the piston pull rod 12, and in the injection state, the latch 4 is meshed with the saw-tooth straight teeth arranged on the outer circumference of the piston pull rod 12;

the bottom of the wrench 5 is provided with a first elongated slot 14, the dose adjusting support 6 is fixed with the first elongated slot 14, the bottom of the inner cavity of the handle 8 is open, the lower end of the handle 8 is provided with a dose adjusting fixture block 71, the dose adjusting fixture block 71 is provided with a second elongated slot 17, the second elongated slot 17 is uniformly provided with a plurality of dose positioning holes 16, the dose adjusting support 6 is provided with an elastic locking button 7, a positioning pin 15 is arranged in the elastic locking button 7, the elastic locking button 7 presses inwards, the positioning pin 15 synchronously moves inwards to separate from the dose positioning holes 16, the elastic locking button 7 drives the positioning pin 15 to synchronously move outwards and is connected with the dose positioning holes 16 and is locked elastically when being elastically reset, the elastic locking button presses inwards, the positioning pin synchronously moves inwards to separate from the dose positioning holes, the elastic locking button drives the positioning pin to synchronously move outwards and is connected with the dose positioning holes and is locked elastically when being elastically reset, the connection of the lower The injection dosage is adjusted by the moving distance, the spanner can be pulled to drive the clamping tongue to push the piston pull rod to move forwards to complete injection, the clamping tongue of the spanner is released to retreat and is meshed with the sawtooth-shaped straight teeth at the rear end, quantitative continuous injection is completed, the structure is simple, the operation is convenient, and the injection device can be conveniently applied to injection of cultured livestock.

The front end of the latch 4 and the cusp meshed with the sawtooth straight teeth arranged on the outer circumference of the piston pull rod 12 keep continuous upward elasticity under the action of the torsion spring, and continuous injection can be carried out.

This technical scheme is stainless steel material, wear-resisting corrosion-resistant, and the structure and the shape of rifle shape are gripped and are felt well, and big palm face saves time and laborsaving to simple structure, injection transmission are direct, and the rigidity is sufficient, and is not fragile, long service life.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It is also understood by those skilled in the art that the foregoing embodiments and descriptions are provided only for illustrating the principles of the present invention, and that various changes and modifications may be made without departing from the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A general type beastly uses syringe which characterized in that: the syringe comprises a syringe (2), wherein a needle head protective sleeve (1) is arranged at the left end of the syringe (2) and is communicated with the inner cavity of the syringe (2), a piston pull rod (12) sleeved with a spring (3) is arranged in the inner cavity of the syringe (2), and a knob (13) is arranged at the right tail end of the piston pull rod (12);

the lower end of the needle cylinder (2) is provided with a hollow grip (8), the inner cavity of the grip (8) is provided with a wrench (5), the wrench (5) and the grip (8) are provided with shaft position screws (9) to be connected, the wrench (5) can swing in the inner cavity of the grip (8) at an angle by taking the shaft position screws (9) as basic shafts, the upper end of the wrench (5) is provided with a connecting rod (10) extending upwards, the connecting rod (10) is internally provided with an open slot with an upward opening, a clamping tongue (4) is arranged in the open slot and is connected with a shaft position pin (11) with a torsion spring, and the tip at the front end of the clamping tongue (4) is meshed with saw-tooth straight teeth arranged on the outer circumference of a;

the dose adjusting mechanism is characterized in that a first elongated slot (14) is formed in the bottom of the wrench (5), the dose adjusting support (6) is fixed with the first elongated slot (14), the bottom of an inner cavity of the handle (8) is open, a dose adjusting clamping block (71) is mounted at the lower end of the handle (8), a second elongated slot (17) is formed in the dose adjusting clamping block (71), a plurality of dose positioning holes (16) are uniformly distributed in the second elongated slot (17), an elastic locking button (7) is arranged on the dose adjusting support (6), a positioning pin (15) is arranged in the elastic locking button (7), the elastic locking button (7) is pressed inwards, the positioning pin (15) synchronously moves inwards to be separated from the dose positioning holes (16), and when the elastic locking button (7) is elastically reset, the positioning pin (15) is driven to synchronously outwards and connected with.

2. A universal veterinary injector according to claim 1, wherein: the front end of the clamping tongue (4) and a sharp head meshed with the sawtooth-shaped straight teeth arranged on the outer circumference of the piston pull rod (12) keep continuous upward elasticity under the action of the torsion spring.