CN112245061A

CN112245061A - Animal doctor is with needle device that trades of automatic injection

Info

Publication number: CN112245061A
Application number: CN202011263507.8A
Authority: CN
Inventors: 文川
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-01-22

Abstract

The invention relates to the technical field of veterinary instruments, and discloses a needle changing device for veterinary automatic injection, which comprises a shell, wherein a needle feeding channel is arranged inside the left side of the shell, injection needles are vertically stacked inside the needle feeding channel, a cambered surface stop block is arranged on the right side of the needle feeding channel, an injection support is arranged above the needle feeding channel, slide ways are arranged on the front inner wall and the rear inner wall of the shell, which are tightly buckled with the injection support, a limit buckle is arranged on the left side of the shell, which is close to the injection support, right opposite to the left side of the injection support, an injection cavity is fixedly connected with the left side of the injection support, a medicine inlet is arranged on the front side of the injection cavity, a push. This animal doctor is with needle changing device of automatic injection drives reciprocal lead screw through the motor and rotates, makes the connector drive push rod piston along reciprocal lead screw axial left and right reciprocating motion, realizes automatic injection, and the drive shaft rotates simultaneously and drives the lift of directly unloading the syringe needle, and the cooperation injection support moves to the right and unloads out the syringe needle, realizes the automatic syringe needle of changing.

Description

Animal doctor is with needle device that trades of automatic injection

Technical Field

The invention relates to the technical field of veterinary instruments, in particular to a needle changing device for veterinary automatic injection.

Background

In the existing livestock breeding industry, breeding is more and more standard, the scale is larger and more, the use of animal vaccines is gradually popularized, particularly for large-scale pastures, once infectious lesions occur to numerous livestock and large-scale infection occurs, loss is immeasurable, so the inoculation of the animal vaccines is particularly important, but the large-scale livestock depends on manual inoculation, the workload is heavy, continuous inoculation equipment is urgently needed, and the existing continuous inoculation equipment adopts a structure without replacing a needle head, so that the equipment is extremely dangerous, and if some livestock to be inoculated are diseased, the livestock to be inoculated are possibly infected to other livestock through injection to cause large-scale infection.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic injection needle changing device for veterinarians, which has the advantage of automatically changing a needle and solves the problem of cross infection risk of the existing continuous inoculation equipment.

(II) technical scheme

In order to realize the aim of automatically replacing the needle head, the invention provides the following technical scheme: the utility model provides a syringe needle device that trades of animal doctor with automatic injection, includes the shell, the left side of shell is inside to be provided with for the needle passageway, the inside of giving the needle passageway stacks perpendicularly has the syringe needle, be provided with the cambered surface dog for the right side of needle passageway, be provided with the injection support for the top of needle passageway, the shell is buckled the front and back inner wall of injection support tightly and is provided with the slide, the shell is close to the left side of injection support and just is buckled to being provided with the restriction, the left side fixedly connected with injection chamber of injection support, the front side in injection chamber is provided with into medicine mouth, be provided with the push rod piston in the injection chamber, the push rod right-hand member of push rod piston is provided with the connector, the top of connector is coupled reciprocal lead screw, the rear portion outer wall of injection support is provided with outer rack, the below tooth meshing of outer rack is, the front end spur gear of the driven shaft is connected with a spur rack in a meshing manner, and the lower end of the spur rack is provided with a needle unloading head.

Preferably, the lower part of the needle feeding channel is provided with a passive or active conveying mechanism for pushing the injection needle head to move upwards to feed the needle.

Preferably, the limiting buckles are symmetrically arranged in front and back, and gaps capable of accommodating the front ends of the injection needles are reserved in the middle.

Preferably, the lower end of the connector is fixed on a push rod of the push rod piston, the upper end of the connector is sleeved on the reciprocating screw rod, and a spring ball is arranged in the connector and matched with a groove in the screw rod.

Preferably, the reciprocating screw rod is fixedly arranged on the injection bracket, and a motor is coupled to the right end of the reciprocating screw rod.

Preferably, the front end of the driving shaft is provided with a straight gear matched with the outer rack, the middle part of the driving shaft is provided with a belt pulley, and the rear part of the driving shaft is coupled with a motor fixed on the shell.

Preferably, the driven shaft is fixed in a bearing seat of the shell, a belt pulley is arranged at the rear end of the driven shaft and matched with a belt pulley arranged in the middle of the driving shaft, and a straight gear matched with a straight rack is arranged at the front end of the driven shaft.

Preferably, the right side of the limit buckle gap is right below the needle dismounting head, and the right side of the limit buckle gap penetrates through the shell below the injection support downwards to form an opening for the injection needle to fall out.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic injection needle changing device for veterinarians, which has the following beneficial effects:

1. this animal doctor is with needle changing device of automatic injection, drive reciprocal lead screw through the motor and rotate, make the connector drive push rod piston along reciprocal lead screw axial left and right reciprocating motion, extrude injection intracavity liquid, realize the automatic injection.

2. This animal doctor is with needle changing device of automatic injection rotates through the drive shaft and drives the lift of directly unloading the syringe needle, and the cooperation injection support moves to the right and unloads out the syringe needle, and the drive shaft reversal, injection chamber left end inject in the new syringe needle and along with the injection support move to the restriction knot department and support and reset, realize the automatic syringe needle of changing.

Drawings

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

FIG. 2 is a front view of the injection support rear portion of the mobile structure of the present invention;

FIG. 3 is a schematic top view of the automatic needle removing mechanism of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 according to the present invention.

In the figure: 1. a housing; 2. a needle feed channel; 3. an injection needle; 4. a cambered surface stop block; 5. an injection stent; 6. a slideway; 7. a limiting buckle; 8. an injection cavity; 9. a medicine inlet; 10. a push rod piston; 11. a connector; 12. a reciprocating screw rod; 13. an outer rack; 14. a drive shaft; 15. a driven shaft; 16. straight rack; 17. and (6) disassembling the needle head.

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, a needle changing device for automatic injection for veterinarian comprises a housing 1, a needle feeding channel 2 is arranged inside the left side of the housing 1, an injection needle 3 is vertically stacked inside the needle feeding channel 2, a passive or active conveying mechanism for pushing the injection needle 3 to move upwards is arranged at the lower part of the needle feeding channel 2, an arc-shaped stopper 4 is arranged at the right side of the needle feeding channel 2, an injection support 5 is arranged above the needle feeding channel 2, a slide way 6 is arranged on the front and rear inner walls of the housing 1 tightly buckled with the injection support 5, a limiting buckle 7 is arranged at the left side of the housing 1 close to the injection support 5, the limiting buckle 7 is symmetrically arranged in front and back, a gap capable of accommodating the front end of the injection needle 3 is reserved in the middle, an injection cavity 8 is fixedly connected to the left side of the injection support 5, a medicine inlet 9 is arranged at the front side of the injection cavity 8, a connector 11 is arranged at the right end of a push rod piston 10, a reciprocating screw rod 12 is coupled above the connector 11, the reciprocating screw rod 12 is fixedly arranged on an injection bracket 5, a motor is coupled at the right end, the lower end of the connector 11 is fixed on the push rod of the push rod piston 10, the upper end of the connector 11 is sleeved on the reciprocating screw rod 12, a spring ball is arranged in the connector and matched with a groove on the screw rod, an outer rack 13 is arranged on the outer wall of the rear part of the injection bracket 5, a driving shaft 14 is meshed and connected with the lower part of the outer rack 13, a straight gear is arranged at the front end of the driving shaft 14 and matched with the outer rack 13, a belt pulley is arranged at the middle part of the driving shaft, the motor is coupled and fixed on a shell 1 at the rear part of the driving shaft 14, a driven shaft 15 is connected with a belt pulley at the, the front end of the injection needle is provided with a straight gear which is matched with a straight rack 16, the lower end of the straight rack 16 is provided with a needle unloading head 17, the lower part of the needle unloading head 17 is right opposite to the right side of the gap of the limiting buckle 7, and the needle unloading head downwards penetrates through the shell 1 right below the injection bracket 5 and is provided with an opening for the injection needle 3 to fall out.

The needle changing device for the veterinary automatic injection has the working principle that a medicine inlet 9 is formed in the front side of an injection cavity 8, a push rod piston 10 is arranged in the injection cavity 8, a connector 11 is arranged at the right end of a push rod of the push rod piston 10, a reciprocating lead screw 12 is coupled above the connector 11, the reciprocating lead screw 12 is fixedly arranged on an injection support 5, a motor is coupled at the right end, and the motor drives the reciprocating lead screw 12 to rotate, so that the connector 11 drives the push rod piston 10 to reciprocate left and right along the axial direction of the reciprocating lead screw 12 to realize the automatic injection.

After the single injection, because the outer wall of the rear part of the injection bracket 5 is provided with an outer rack 13, the lower teeth of the outer rack 13 are meshed and connected with a driving shaft 14, the driving shaft 14 rotates to enable the whole injection bracket 5 to move obliquely downwards along the slide way 6, meanwhile, because the belt at the upper left of the driving shaft 14 is connected with a driven shaft 15, the straight gear at the front end of the driven shaft 15 is meshed and connected with a straight rack 16, the lower end of the straight rack 16 is provided with a needle unloading head 17, the driving shaft 14 rotates and simultaneously drives the driven shaft 15 to rotate through the belt so as to drive the straight rack 16 to descend, the needle unloading head 17 presses down the injection needle 3 to be matched with the injection bracket 5 to move rightwards to unload the injection needle 3, the injection bracket 5 continuously moves rightwards to the right side of the needle feeding channel 2, the injection needle 3 in the needle feeding channel 2 is pushed to the stroke path of the injection bracket 5, the driving shaft 14, the medicine inlet 9 injects the injection to be injected into the injection cavity 8 to complete the reset process.

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. A veterinary automatic injection needle changing device, comprising a housing (1), characterized in that: the injection needle is characterized in that a needle feeding channel (2) is arranged inside the left side of the shell (1), an injection needle head (3) is vertically stacked inside the needle feeding channel (2), an arc surface stop block (4) is arranged on the right side of the needle feeding channel (2), an injection support (5) is arranged above the needle feeding channel (2), a slide way (6) is arranged on the inner wall of the shell (1) which is fastened on the front and the back of the injection support (5), a limiting fastener (7) is arranged on the left side of the shell (1) which is close to the injection support (5), an injection cavity (8) is fixedly connected to the left side of the injection support (5), a medicine inlet (9) is arranged on the front side of the injection cavity (8), a push rod piston (10) is arranged in the injection cavity (8), a connector (11) is arranged at the right end of a push rod of the push rod piston (10), and a reciprocating screw rod, the injection support is characterized in that an outer rack (13) is arranged on the outer wall of the rear portion of the injection support (5), a driving shaft (14) is connected to the lower side of the outer rack (13) in a meshed mode, a driven shaft (15) is connected to the upper left side of the driving shaft (14) in a belt mode, a straight rack (16) is connected to the front end of the driven shaft (15) in a meshed mode, and a needle unloading head (17) is arranged at the lower end of the straight rack (16).

2. The veterinary automatic injection needle changing device according to claim 1, wherein: the lower part of the needle feeding channel (2) is provided with a passive or active conveying mechanism which pushes the injection needle head (3) to move upwards to feed the needle.

3. The veterinary automatic injection needle changing device according to claim 1, wherein: the limiting buckles (7) are symmetrically arranged front and back, and a gap capable of accommodating the front end of the injection needle (3) is reserved in the middle.

4. The veterinary automatic injection needle changing device according to claim 1, wherein: the lower end of the connector (11) is fixed on a push rod of a push rod piston (10), the upper end of the connector is sleeved on a reciprocating screw rod (12), and a spring ball is arranged in the connector and matched with a groove on the screw rod.

5. The veterinary automatic injection needle changing device according to claim 1, wherein: the reciprocating screw rod (12) is fixedly arranged on the injection bracket (5), and the right end of the reciprocating screw rod is coupled with a motor.

6. The veterinary automatic injection needle changing device according to claim 1, wherein: the front end of the driving shaft (14) is provided with a straight gear which is matched with the outer rack (13), the middle part of the driving shaft is provided with a belt pulley, and the rear part of the driving shaft is coupled with a motor fixed on the shell (1).

7. The veterinary automatic injection needle changing device according to claim 1, wherein: the driven shaft (15) is fixed in a bearing seat of the shell (1), a belt pulley is arranged at the rear end of the driven shaft and matched with a belt pulley arranged in the middle of the driving shaft (14), and a straight gear is arranged at the front end of the driven shaft and matched with a straight rack (16).

8. The veterinary automatic injection needle changing device according to claim 1, wherein: the right side of the gap of the limiting buckle (7) is rightly arranged below the needle disassembling head (17), and an opening for the injection needle head (3) to fall out is arranged on the shell (1) which penetrates downwards and is right below the injection bracket (5).