CN219042813U

CN219042813U - Continuous injector

Info

Publication number: CN219042813U
Application number: CN202222506395.5U
Authority: CN
Inventors: 葛会杰; 李晓蕾; 刘鲜霞; 朱凤霞; 张艳娜; 吴巍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-05-19
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to the field of syringes, and effectively solves the problems that the liquid in the existing liquid storage bottle is difficult to flow into a syringe and the operation is complicated; the technical scheme is that the continuous injector comprises a hollow cylinder of the injector which is horizontally arranged, a piston which moves left and right is arranged in the hollow cylinder, and a one-way valve is arranged in a nipple of the injector; the upper side of the empty cylinder is fixed with a tray, the left side of the upper end of the tray is provided with a through hole penetrating into the empty cylinder, a one-way valve is arranged in the through hole, the tray is provided with a shell with an opening at the right end, the shell is provided with a yielding hole, a rubber block capable of moving left and right is arranged in the shell, and the rubber block separates the shell left and right; when the piston moves rightwards, the check valve in the nipple is closed, the check valve in the through hole is opened, the liquid medicine can flow into the hollow cylinder from the shell through the abdication hole and the through hole, the straight rod is pushed lightly to enable the liquid medicine to flow into the hollow cylinder more easily, and when the piston moves leftwards, the check valve in the through hole is automatically closed, the check valve in the nipple is opened, and the device is simple to operate and convenient to use.

Description

Continuous injector

Technical Field

The utility model relates to the field of syringes, in particular to a continuous syringe.

Background

When raising livestock, epidemic prevention needs to be carried out on the livestock in order to prevent diseases, and injection of liquid medicine drugs into the livestock is a mode for disease prevention and treatment, all the livestock are usually required to be injected, and when the livestock are injected for many times, the liquid medicine needs to be repeatedly sucked from a liquid storage bottle, so that the operation is complicated and the liquid medicine is easy to spill;

the existing solution is that, for example, in the patent of application number 202020944766.6, the valve 5 is opened, the handle 2 is pulled to move the piston 24 in the injection cylinder 1 to extract the liquid medicine in the liquid storage bottle 7, then the puncture needle 12 is inserted into the animal body, the handle 2 is used to push the liquid medicine in the injection cylinder 1, and the liquid medicine is input into the animal body through the connecting pipe 11 and the puncture needle 12 to complete injection; through the analysis to this scheme, because there is only an opening in the stock solution bottle 7, there is not other movable mouths, and liquid medicine can form negative pressure in the bottle when flowing in to syringe 1, leads to the liquid medicine to be difficult to flow out from stock solution bottle 7, influences the work to need open the valve and just can make the medicine flow in syringe 1, and liquid medicine injection makes also need to close the valve, complex operation.

In order to prevent cross infection, after the injection of livestock is completed, the needle head needs to be replaced, and the needle plug of the needle head is smaller and is difficult to pull out from the injection cylinder, so that the working efficiency is affected.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a continuous injector, which effectively solves the problems that the liquid in the existing liquid storage bottle is difficult to flow into an injection cylinder and the operation is complicated.

The technical scheme is that the connecting syringe comprises a hollow cylinder of the horizontally placed syringe, a piston moving left and right is arranged in the hollow cylinder, a nipple of the hollow cylinder faces to the left, and a one-way valve is arranged in the nipple of the syringe; the upper side of the empty cylinder is fixed with a tray, the left side of the upper end of the tray is provided with a through hole penetrating into the empty cylinder, a one-way valve is arranged in the through hole, the tray is provided with a shell with an opening at the right end, the shell is provided with a yielding hole, the shell is communicated with the through hole through the yielding hole, a rubber block capable of moving left and right is arranged in the shell, and the rubber block separates the shell left and right;

when the piston is pushed leftwards, the one-way valve in the nipple is opened, and the one-way valve in the through hole is closed; when the piston is pushed outwards, the check valve in the nipple is closed, and the check valve in the through hole is opened.

The upper side of the hollow cylinder is fixed with a fixed block, the lower end face of the tray is fixed on the fixed block, and the through hole penetrates through the fixed block;

the middle part of the face of tray upper end undercut, and the through-hole is located the bottom of recess, and the casing is adorned in the recess.

The upper end face of the tray is provided with an elastic rubber belt, two ends of the elastic rubber belt are respectively fixed on the front side and the rear side of the groove, and the shell is positioned on the inner side of the elastic rubber belt;

the inner edge of the groove is completely contacted with the outer edge of the shell, and friction layers are arranged on the periphery in the groove.

The bottom of the groove of the tray is provided with a rubber layer.

The right side of the rubber block is fixedly provided with a straight rod which is arranged left and right, and the straight rod can drive the rubber block to move left and right.

An L-shaped rod is hinged to one end, close to the nipple, of the lower side of the hollow cylinder, and the hinged part is positioned at the corner of the L-shaped rod;

the L-shaped rod consists of a vertical rod and a cross rod, the vertical rod of the L-shaped rod points to the nipple of the injector, the upper end of the vertical rod is provided with a yielding groove, the vertical rod is clamped at two sides of the nipple through the yielding groove and is positioned at the right side of the nipple of the injector, the cross rod of the L-shaped rod faces to the right, the right end of the cross rod is inclined downwards, and the vertical rod can be driven to swing left and right by the vertical rod to swing up and down; when the cross rod is upwards capable of pushing the needle head of the injector to be loosened from the nipple; the needle is fixed to the nipple when the needle is mounted on the nipple of the syringe and the L-shaped bar is not swung.

When the piston is moved rightwards, the one-way valve in the nipple is closed, so that negative pressure is formed in the hollow cylinder positioned at the inner side of the piston, the one-way valve in the through hole is opened by the negative pressure, the liquid medicine can flow into the hollow cylinder from the shell through the abdication hole and the through hole, and the straight rod is pushed lightly, so that the liquid medicine can flow into the hollow cylinder more easily; when the piston moves to the left, the one-way valve in the through hole is automatically closed, the one-way valve in the nipple is opened, and the liquid medicine is completely injected into the livestock body through the needle head, so that the operation is simple and the use is convenient.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a left side view of the removed needle of the present utility model.

Fig. 3 is a front cross-sectional view of the present utility model.

Fig. 4 is an enlarged view at a in the present utility model 3.

Fig. 5 is a front cross-sectional view of the syringe of the present utility model.

Fig. 6 is a front cross-sectional view of the housing of the present utility model.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 6, the utility model comprises a hollow cylinder 1 of a horizontally placed injector, a piston 2 moving left and right is arranged in the hollow cylinder 1, a nipple 3 of the hollow cylinder 1 faces left, and a one-way valve is arranged in the nipple 3 of the injector; the upper side of the hollow cylinder 1 is fixedly provided with a tray 4, the left side of the upper end of the tray 4 is provided with a through hole 5 penetrating into the hollow cylinder 1, a one-way valve is arranged in the through hole 5, the tray 4 is provided with a shell 6 with an opening at the right end, the shell 6 is provided with a yielding hole 8, the shell 6 is communicated with the through hole 5 through the yielding hole 8, the shell 6 is internally provided with a rubber block 7 capable of moving left and right, and the rubber block 7 separates the shell 6 left and right;

when the piston 2 is pushed leftwards, the one-way valve in the nipple 3 is opened, and the one-way valve in the through hole 5 is closed; when the piston 2 is pushed outwards, the one-way valve in the nipple 3 is closed and the one-way valve in the through hole 5 is opened.

A fixed block 9 is fixed on the upper side of the hollow cylinder 1, the lower end surface of the tray 4 is fixed on the fixed block 9, and the through hole 5 passes through the fixed block 9;

the middle part of the upper end face of the tray 4 is recessed downwards, the through hole 5 is positioned at the bottom of the groove, and the shell 6 is arranged in the groove.

The upper end face of the tray 4 is provided with an elastic rubber belt 10, two ends of the elastic rubber belt 10 are respectively fixed on the front side and the rear side of the groove, and the shell 6 is positioned on the inner side of the elastic rubber belt 10;

the inner edge of the groove is completely contacted with the outer edge of the shell 6, and the friction layer is arranged around the groove;

the shell 6 is placed in the groove of the tray 4 without moving or shaking under the action of the elastic rubber band 10 and the friction layer.

A rubber layer is arranged at the bottom of the groove of the tray 4; the through hole 5 and the relief hole 8 can be prevented from generating gaps.

The right side of the rubber block 7 is fixedly provided with a straight rod 11 which is arranged left and right, and the straight rod 11 can drive the rubber block 7 to move left and right.

An L-shaped rod 12 is hinged to one end, close to the nipple 3, of the lower side of the hollow cylinder 1, and the hinged position is positioned at the corner of the L-shaped rod 12;

the L-shaped rod 12 consists of a vertical rod and a transverse rod, the vertical rod of the L-shaped rod 12 points to the nipple 3 of the injector, the upper end of the vertical rod is provided with a yielding groove, the vertical rod is clamped at two sides of the nipple 3 through the yielding groove and is positioned at the right side of the nipple 3 of the injector, the transverse rod of the L-shaped rod 12 faces to the right, the right end of the transverse rod is inclined downwards, and the vertical rod can be driven to swing left and right by the vertical rod; when the cross rod is upwards capable of pushing the needle 13 of the injector to be released from the nipple 3; when the needle 13 is mounted on the nipple 3 of the syringe and the L-shaped stem 12 is not swung, the needle 13 is fixed to the nipple 3.

In order to prevent leakage, when the piston 2 is positioned at the bottom of the hollow cylinder 1, the outer edge of the piston 2 is attached to the through hole 5, the liquid medicine does not flow out of the right side of the piston 2, and when the rubber block 7 is positioned at the bottom of the shell 6, the rubber block 7 is blocked by the abdicating hole 8, and the liquid medicine does not flow out of the right side of the rubber block 7.

Before the utility model is used, the needle 13 is arranged on the nipple 3 of the injector, the piston 2 is positioned at the bottom of the hollow cylinder 1, the shell 6 is filled with liquid medicine for injection, the shell 6 is arranged in a groove on the tray 4, and the elastic rubber belt 10 is sleeved on the shell 6.

When the injection syringe is used, the core rod 14 of the syringe is pulled outwards according to the injection quantity, the piston 2 is moved to the appointed scale of the hollow cylinder 1, when the core rod 14 is pulled, the piston 2 is closed by the one-way valve in the outwards moved nipple 3, so that negative pressure is formed in the hollow cylinder 1 positioned at the left side of the piston 2, the one-way valve in the through hole 5 is opened by the negative pressure, the liquid medicine can flow into the hollow cylinder 1 from the shell 6 through the abdication hole 8 and the through hole 5, the straight rod 11 is pushed lightly, the liquid medicine can flow into the hollow cylinder 1 more easily, and after the injection quantity is reached, the pulling of the core rod 14 is stopped, and the straight rod 11 is stopped being pushed lightly;

then the needle 13 is pricked into the livestock body, the core rod 14 is pushed to move leftwards, the one-way valve in the through hole 5 is automatically closed, the liquid medicine can not continuously enter the hollow cylinder 1, the liquid medicine in the hollow cylinder 1 can not enter the shell 6 through the through hole 5, the liquid medicine in the hollow cylinder 1 can push the one-way valve in the nipple 3 to be opened, and the liquid medicine is injected into the livestock body through the needle 13; the needle 13 is pulled out until the liquid medicine is completely injected into the livestock body.

In order to prevent cross infection of livestock, the used needle 13 needs to be replaced, and only the cross bar of the L-shaped rod 12 needs to be pressed upwards, the cross bar can enable the vertical rod to push the needle 13 to be loosened from the nipple 3, the needle 13 is taken out, then a new needle 13 is replaced, and the operations are repeated, so that injection of a certain number of livestock can be completed.

1. When the piston 2 is moved rightwards, the one-way valve in the nipple 3 is closed, so that negative pressure is formed in the hollow cylinder 1 positioned at the inner side of the piston 2, the one-way valve in the through hole 5 is opened by the negative pressure, the liquid medicine can flow into the hollow cylinder 1 from the shell 6 through the abdication hole 8 and the through hole 5, and the straight rod 11 is pushed lightly, so that the liquid medicine can flow into the hollow cylinder 1 more easily; when the piston 2 moves leftwards, the one-way valve in the through hole 5 is automatically closed, the one-way valve in the nipple 3 is opened, and the liquid medicine is completely injected into the livestock body through the needle 13, so that the operation is simple and the use is convenient.

2. According to the utility model, by only pressing the cross rod of the L-shaped rod 12, the cross rod can enable the vertical rod to push the needle head 13 to be loosened from the nipple 3, so that an operator can conveniently take down the needle head 13 for replacement, the operation is easier, and the working efficiency is improved.

Claims

1. The continuous injector is characterized by comprising an empty cylinder (1) of the injector which is horizontally arranged, wherein a piston (2) which moves left and right is arranged in the empty cylinder (1), a nipple (3) of the empty cylinder (1) faces left, and a one-way valve is arranged in the nipple (3) of the injector; the upper side of the empty cylinder (1) is fixedly provided with a tray (4), the left side of the upper end of the tray (4) is provided with a through hole (5) penetrating into the empty cylinder (1), a one-way valve is arranged in the through hole (5), the tray (4) is provided with a shell (6) with an opening at the right end, the shell (6) is provided with a yielding hole (8), the shell (6) is communicated with the through hole (5) through the yielding hole (8), the shell (6) is internally provided with a rubber block (7) capable of moving left and right, and the rubber block (7) separates the shell (6) left and right;

when the piston (2) is pushed leftwards, the one-way valve in the nipple (3) is opened, and the one-way valve in the through hole (5) is closed; when the piston (2) is pushed outwards, the check valve in the nipple (3) is closed, and the check valve in the through hole (5) is opened.

2. The continuous syringe according to claim 1, wherein a fixed block (9) is fixed on the upper side of the hollow cylinder (1), the lower end surface of the tray (4) is fixed on the fixed block (9), and the through hole (5) penetrates through the fixed block (9);

the middle part of the surface of the upper end of the tray (4) is downwards sunken, the through hole (5) is positioned at the bottom of the groove, and the shell (6) is arranged in the groove.

3. The continuous injector according to claim 2, wherein the upper end surface of the tray (4) is provided with an elastic rubber belt (10), two ends of the elastic rubber belt (10) are respectively fixed at the front side and the rear side of the groove, and the shell (6) is positioned at the inner side of the elastic rubber belt (10);

the inner edge of the groove is completely contacted with the outer edge of the shell (6), and the friction layer is arranged around the groove.

4. A continuous syringe as claimed in claim 2, characterised in that the bottom of the recess of the tray (4) is provided with a rubber layer.

5. The continuous injector according to claim 1, wherein a straight rod (11) is fixed on the right side of the rubber block (7), and the straight rod (11) can drive the rubber block (7) to move left and right.

6. A continuous injector according to claim 1, characterized in that the lower side of the hollow cylinder (1) is hinged with an L-shaped rod (12) at the end near the nipple (3), the hinge being located at the corner of the L-shaped rod (12);

the L-shaped rod (12) consists of a vertical rod and a transverse rod, the vertical rod of the L-shaped rod (12) points to the nipple (3) of the injector, the upper end of the vertical rod is provided with a yielding groove, the vertical rod is clamped at two sides of the nipple (3) through the yielding groove and is positioned at the right side of the nipple (3) of the injector, the transverse rod of the L-shaped rod (12) faces to the right, the right end of the transverse rod is inclined downwards, and the vertical swing of the transverse rod can drive the vertical rod to swing left and right; when the cross rod is upwards capable of pushing the needle (13) of the injector to be released from the nipple (3); when the needle (13) is mounted on the nipple (3) of the syringe and the L-shaped rod (12) is not swung, the needle (13) is fixed with the nipple (3).