CN112426244A

CN112426244A - Device for automatically injecting liquid medicine for pet after passing through fixed neck

Info

Publication number: CN112426244A
Application number: CN202011394042.XA
Authority: CN
Inventors: 谭查亿
Original assignee: Wuhan Saienji Commodity Co ltd
Current assignee: Wuhan Saienji Commodity Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-03-02

Abstract

The invention discloses a device for automatically injecting liquid medicine after a pet passes through a fixed neck, which comprises a base, a motor is fixedly arranged in the base, the upper end of the motor is in power connection with a motor shaft, the motor shaft is vertically upward, the motor shaft is connected with vertically symmetrical neck rings in a sliding way, the opposite ends of the neck rings are respectively and fixedly connected with neck clamping plate springs, the neck-clamping plate is fixedly connected with the opposite ends of the neck-clamping plate springs respectively, the motor shaft is provided with the sliding block in a vertically sliding mode, the neck-clamping plate is used for injecting medicine to the neck of a pet, the pet is guided to the neck ring to fix the neck of the pet, the pet is prevented from moving around, hair on the neck is poked to two sides through the hair poking sheets to expose skin, the needle is pricked into the neck, the pressing plate is driven to press the core rod downwards, and liquid medicine in the needle cylinder is injected into the neck of the pet through the needle without manual injection, so that the pet neck-clamping plate.

Description

Device for automatically injecting liquid medicine for pet after passing through fixed neck

Technical Field

The invention relates to the field related to medicine injection, in particular to a device for automatically injecting liquid medicine for pets after the pets pass through a fixed neck.

Background

When people inject medicines into pets, the injection process is difficult because the pets do not listen to the movement, a plurality of people are needed to placate the pets to control the pets during injection, and then the injectors manually use the needle cylinders to inject the pets, so that the problems are very troublesome and easy to occur.

Disclosure of Invention

In order to solve the problems, the embodiment designs a device for automatically injecting liquid medicine after passing through a fixed neck for pets, and the device for automatically injecting liquid medicine after passing through the fixed neck for pets comprises a base, wherein a motor is fixedly arranged in the base, the upper end of the motor is in power connection with a motor shaft, the motor shaft is vertically upward, the motor shaft is in up-down sliding connection with a neck ring which is in up-down symmetry, opposite ends of the neck ring are respectively and fixedly connected with a neck clamping plate spring, opposite ends of the neck clamping plate spring are respectively and fixedly connected with a neck clamping plate, a slide block is arranged on the motor shaft in an up-down sliding manner, a slide block cavity with a leftward opening is arranged in the slide block, a push rod is fixedly connected on the left wall of the slide block cavity, a switching slide bar is fixedly connected at the right end of the push rod, a switching slide groove is, the right wall of the switching chute is a threaded surface, the lower wall of the sliding block cavity is rotatably connected with a sliding block inner wheel, the sliding block inner wheel is vertically and slidably connected with the motor shaft, the left wall of the switching chute is communicated with a transverse shaft in a rotating mode, the right end of the transverse shaft is fixedly connected with vertical bevel gears, the left end of the sliding block is fixedly connected with a left side plate, a transverse rotating drum is arranged in the left side plate and moves left and right, a blind hole with a right opening is arranged in the transverse rotating drum, the left end of the transverse shaft is connected with the blind hole in a left and right sliding mode, a blind hole spring is fixedly connected between the left end of the transverse shaft and the left wall of the blind hole, the left end of the transverse rotating drum is fixedly connected with transverse drum bevel gears, the front end of the left side plate is fixedly connected with a fixed shaft, a syringe seat support arm is rotatably connected with the fixed, the inner groove is characterized in that a top rod is fixedly connected to the rear wall of the inner groove, a fastening ring is fixedly connected to the front end of the top rod, the fastening ring is rotatably and slidably connected to a fixed shaft, a bevel gear rotary drum is rotatably connected to the fixed shaft, a bevel gear rotary drum groove with a backward opening is formed in the rear end of the bevel gear rotary drum, a friction area is fixedly arranged on the fixed shaft, bevel gears of a transverse rotary drum are meshed with the front end of the bevel gear rotary drum, a spur rack is slidably arranged in the needle drum seat support arm groove up and down, the right end of the spur rack is meshed with the left end of the bevel gear rotary drum, a pressing plate is fixedly connected to the upper end of the spur rack, a needle drum seat is fixedly connected to the left side of the front end of the needle drum seat support arm, a needle drum seat cavity with an upward opening is arranged in the needle drum seat, needle head holes are communicated with the lower wall of the needle cylinder, the upper end of the bristle-poking plate is fixedly connected with a resisting plate, the lower end of the resisting plate and the upper end of the side arm are fixedly connected with a bristle-poking plate spring, the lower ends of the two bristle-poking plates are butted together in an initial state, the fastening ring is meshed with the friction area and is further fixed relative to the fixing shaft, the syringe holder support arm is fixed relative to the fastening ring, when the syringe holder support arm is used, the motor is started to drive the motor shaft to rotate, so that the upper and lower neck rings are driven to move up and down at the same speed to adjust the heights of the upper and lower neck rings so as to adapt to the height of the head of a pet needing injection, then the upper and lower neck rings are driven by the motor shaft to respectively move up and down in a back-to-and-to-increase the distance between the upper and lower neck-clamping plates, the head of the pet passes through the neck-clamping plates backwards, so that the, the motor shaft rotates to drive the two neck rings to move oppositely, the neck clamping plates are driven by the neck clamping plate springs to fix the neck of the pet oppositely, then the injection syringe is inserted into the syringe seat cavity from top to bottom, the needle head on the syringe penetrates through the needle head hole from top to bottom, the pressing plate is pressed on the core bar, the push rod pulls the switching slide bar leftwards, the right wall of the switching chute is driven to be meshed with the motor shaft leftwards, the motor shaft rotates to drive the switching slide bar to move upwards and downwards, the left side plate is driven to move upwards and downwards by the slide block, the syringe seat supporting arm is driven by the fixed shaft to move upwards and downwards, the syringe is driven by the syringe seat to move upwards and downwards, the hair poking piece is driven by the side arm to move upwards and downwards, the push rod pushes the switching slide bar rightwards, and the vertical conical teeth are driven by the transverse shaft to be meshed with the inner wheel, the motor shaft rotates to drive the inner wheel of the sliding block to rotate, the transverse shaft is driven to rotate through the vertical bevel gear, the transverse rotating cylinder is driven to rotate through the transverse rotating cylinder, the bevel gear rotating cylinder is driven to rotate on the fixed shaft, the pressing plate is driven to move up and down through the straight rack, when the neck of a pet is fixed between the neck rings, the side arms drive the hair poking sheets to move down until the hair poking sheets are abutted against the neck of the pet, the side arms continue to drive the hair poking sheets to move down, then the left hair poking sheets and the right hair poking sheets are separated towards the left side and the right side and the hair of the neck is poked away to expose the skin of the neck, the syringe seat continues to drive the syringe cylinder to move down until the syringe needle is driven to prick down into the skin of the neck after the hair poking, at the moment, the straight rack drives the pressing plate to move down to further push the core rod downwards, and when the ejector rod pushes the fastening ring forwards, the fastening ring is further driven to be separated from the friction area forwards and extend into the bevel gear rotating drum groove so as to clamp the inner groove and the bevel gear rotating drum groove together, at the moment, the bevel gear rotating drum is fixed relative to the syringe base support arm, the bevel gear of the transverse rotating drum rotates to drive the bevel gear rotating drum to rotate, the syringe base support arm is further driven to rotate by the fastening ring by taking the fixed shaft as a rotation center, the syringe is further driven to rotate by taking the fixed shaft as a rotation center by the syringe base, and then the angle of the syringe needle is adjusted so as to inject different parts of the neck of the pet.

Preferably, the upper end of the base is fixedly connected with a fixing rod, the right end of the neck ring is vertically and slidably connected with the fixing rod, the right end of the sliding block is vertically and slidably connected with the fixing rod, and the fixing rod ensures that the neck ring and the sliding block only move up and down.

Preferably, the right end of the switching sliding strip is provided with a side cavity with a right opening, a supporting block is arranged in the side cavity in a left-right sliding mode, a supporting block spring is fixedly connected between the left end of the supporting block and the left wall of the side cavity, and when the push rod drives the switching sliding strip to move right, the switching sliding groove right wall is separated from the right end of the motor shaft, the supporting block supports the left end of the fixing rod rightwards to fix the upper position and the lower position of the sliding block.

Preferably, neck ring sliding cavities for communicating the motor shaft and the fixing rod are respectively arranged in the upper neck ring and the lower neck ring, side grooves are formed in the upper walls of the neck ring sliding cavities and communicated with each other, symmetrical magnets are symmetrically and fixedly arranged in the left wall and the right wall of the side grooves, neck ring sliding blocks are arranged in the neck ring sliding cavities in a left-and-right sliding mode, thread surfaces are arranged at the left ends of the neck ring sliding blocks, sliding pieces are fixedly connected to the upper ends of the neck ring sliding blocks, the sliding pieces are connected to the side grooves in a left-and-right sliding mode, when the symmetrical magnets on the right side are connected, the sliding pieces are attracted to move right, the neck ring sliding blocks are driven to abut against the fixing rod rightwards, the neck rings are fixed relative to the fixing rod, the neck ring cannot be driven to move when the symmetrical magnets on the left side, and then the motor shaft rotates to drive the neck ring sliding block to move up and down, and further drive the neck ring to move up and down.

Preferably, the left wall and the right wall of the syringe seat cavity are symmetrically and fixedly connected with syringe clamping plate springs, opposite ends of the syringe clamping plate springs are respectively and fixedly connected with syringe clamping plates, and when a syringe is placed in the syringe seat cavity, the left syringe clamping plate and the right syringe clamping plate clamp the syringe through the force of the syringe clamping plate springs, so that the stability of the syringe during injection is improved.

The invention has the beneficial effects that: the pet neck injection device is used for injecting medicine to the neck of a pet, the pet is guided to the neck ring to fix the neck of the pet, the pet is prevented from moving randomly, hair on the neck is poked to two sides through the hair poking sheet to expose skin, the needle head is pricked into the neck, the pressing plate is driven to press the core rod downwards, medicine liquid in the needle cylinder is injected into the neck of the pet through the needle head, manual injection is not needed, and the pet neck injection device is stable and precise.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is a schematic view of the structure of C-C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a device for automatically injecting liquid medicine for pets after passing through a fixed neck, which comprises a base 11, wherein a motor 12 is fixedly arranged in the base 11, the upper end of the motor 12 is in power connection with a motor shaft 13, the motor shaft 13 is vertically upward, the motor shaft 13 is in up-and-down sliding connection with neck rings 29 which are symmetrical up and down, the opposite ends of the neck rings 29 are respectively and fixedly connected with neck clamping plate springs 32, the opposite ends of the neck clamping plate springs 32 are respectively and fixedly connected with neck clamping plates 30, the motor shaft 13 is provided with a slide block 37 in up-and-down sliding manner, a slide block cavity 44 with a leftward opening is arranged in the slide block 37, the left wall of the slide block cavity 44 is fixedly connected with a push rod 35, the right end of the push rod 35 is fixedly connected with a switching slide bar 38, a switching slide groove 43 is vertically communicated in the switching slide bar 38, the motor shaft, the lower wall of the slide block cavity 44 is rotatably connected with a slide block inner wheel 42, the slide block inner wheel 42 is connected to the motor shaft 13 in a vertical sliding manner, the left wall of the switching chute 43 is connected with a transverse shaft 34 in a rotating manner, the right end of the transverse shaft 34 is fixedly connected with a vertical bevel gear 36, the left end of the slide block 37 is fixedly connected with a left side plate 45, a transverse rotating drum 33 is arranged in the left-right moving manner in the left side plate 45, a blind hole 46 with a right opening is arranged in the transverse rotating drum 33, the left end of the transverse shaft 34 is connected to the blind hole 46 in a left-right sliding manner, a blind hole spring 47 is fixedly connected between the left end of the transverse shaft 34 and the left wall of the blind hole 46, the left end of the transverse rotating drum 33 is fixedly connected with a transverse rotating drum bevel gear 48, the front end of the left side plate 45 is fixedly connected with a fixed shaft 24, a syringe base support arm 27 is rotatably connected to the fixed shaft, a top rod 56 is fixedly connected to the rear wall of the inner groove 58, a fastening ring 59 is fixedly connected to the front end of the top rod 56, the fastening ring 59 rotates and is slidably connected to the fixing shaft 24, a bevel gear drum 26 is rotatably connected to the fixing shaft 24, a bevel gear drum groove 55 with a backward opening is formed in the rear end of the bevel gear drum 26, a friction area 57 is fixedly arranged on the fixing shaft 24, the bevel gear 48 of the transverse drum is meshed with the front end of the bevel gear drum 26, a spur rack 15 is vertically slidably arranged in the syringe seat support arm groove 54, the right end of the spur rack 15 is meshed with the left end of the bevel gear drum 26, the upper end of the spur rack 15 is fixedly connected to a pressure plate 16, a syringe seat 23 is fixedly connected to the left side of the front end of the syringe seat support arm 27, a syringe seat cavity 17 with an upward opening is formed in the syringe seat 23, a syringe hole 25 is communicated with the lower wall of the syringe seat cavity 17, side arms 21 are fixedly connected to, a hair-plucking piece 28 is arranged in the side arm 21 in an up-and-down penetrating inclined sliding manner, the upper end of the hair-plucking piece 28 is fixedly connected with a resisting plate 19, the lower end of the resisting plate 19 and the upper end of the side arm 21 are fixedly connected with a hair-plucking piece spring 20, in an initial state, the lower ends of the two hair-plucking pieces 28 are butted together, a fastening ring 59 is meshed with the friction area 57, the fastening ring 59 is fixed relative to the fixing shaft 24, a syringe holder supporting arm 27 is fixed relative to the fastening ring 59, when in use, the motor 12 is started to drive the motor shaft 13 to rotate, so as to drive the upper and lower neck rings 29 to move up and down at the same speed to adjust the heights of the upper and lower neck rings 29, so as to adapt to the height of the head of a pet to be injected, and then the upper and lower neck rings 29 are driven by the motor shaft 13 to respectively, then the distance between the upper and lower neck clamping plates 30 is increased, the head of the pet passes through the space between the neck clamping plates 30 and the neck clamping plates 30 are opposite to the neck of the pet, the motor shaft 13 rotates to drive the two neck rings 29 to move oppositely, then the neck clamping plates 30 are driven by the neck clamping plate springs 32 to fix the neck of the pet in opposite directions, then the syringe is inserted into the syringe seat cavity 17 from top to bottom, the needle head on the syringe passes through the needle head hole 25 from top to bottom, the pressing plate 16 is pressed on the core bar, the push rod 35 pulls the switching slide bar 38 leftwards, the right wall of the switching chute 43 is driven to be meshed with the motor shaft 13 leftwards, the motor shaft 13 rotates to drive the switching slide bar 38 to move upwards and downwards, then the left side plate 45 is driven to move upwards and downwards by the slide block 37, and then the needle seat support arm 27 is driven to move upwards and downwards by the fixed shaft 24, then the syringe is driven to move up and down by the syringe seat 23, and then the side arm 21 drives the bristle-pulling piece 28 to move up and down, the push rod 35 pushes the switching slide bar 38 to the right, and then the horizontal shaft 34 drives the vertical bevel gear 36 to be meshed with the inner wheel 42 of the slide block to the right, the motor shaft 13 rotates and drives the inner wheel 42 of the slide block to rotate, and then the vertical bevel gear 36 drives the horizontal shaft 34 to rotate, and then the horizontal drum 33 drives the horizontal drum bevel gear 48 to rotate, and then the bevel drum 26 is driven to rotate on the fixed shaft 24, and then the pressing plate 16 is driven to move up and down by the spur rack 15, after the neck of the pet is fixed between the neck rings 29, the side arm 21 drives the bristle-pulling piece 28 to move down until the neck of the pet is abutted against, and the side arm 21 continues to drive the bristle-pulling piece, then the left and right hair-plucking pieces 28 are separated to the left and right sides and the hair on the neck is plucked to the left and right sides to expose the skin on the neck, the syringe holder 23 continues to drive the syringe downwards until the syringe needle is driven to penetrate downwards into the skin on the neck after the hair is plucked, at this time, the spur rack 15 drives the pressing plate 16 to move downwards, further the core bar is pushed downwards, the liquid medicine in the syringe is injected into the neck of the pet through the syringe needle, and when the ejector rod 56 pushes the fastening ring 59 forwards, further the fastening ring 59 is driven to depart forwards from the friction area 57 and extend into the cone-teeth rotating-barrel groove 55, so as to jointly clamp the inner groove 58 and the cone-teeth rotating-barrel groove 55, at this time, the cone-teeth rotating barrel 26 is fixed relative to the syringe holder support arm 27, the cone teeth 48 of the transverse rotating barrel rotates to drive the cone-teeth rotating barrel 26 to rotate through the fastening ring 59, further the syringe holder support arm 27, and then the syringe is driven by the syringe seat 23 to rotate by taking the fixed shaft 24 as a rotation center, and the angle of the syringe needle is further adjusted to inject different parts of the neck of the pet.

Advantageously, the fixing rod 14 is attached to the upper end of the base 11, the right end of the collar 29 is slidably connected to the fixing rod 14 up and down, the right end of the sliding block 37 is slidably connected to the fixing rod 14 up and down, and the fixing rod 14 ensures that the collar 29 and the sliding block 37 only move up and down.

Beneficially, a side cavity 39 with a rightward opening is arranged at the right end of the switching slide bar 38, a resisting block 40 is arranged in the side cavity 39 in a left-right sliding manner, a resisting block spring 41 is fixedly connected between the left end of the resisting block 40 and the left wall of the side cavity 39, and when the push rod 35 drives the switching slide bar 38 to move right, so that the right wall of the switching chute 43 is separated from the right end of the motor shaft 13, the resisting block 40 is rightwards propped against the left end of the fixing rod 14, so as to fix the up-down position of the slide block 37.

Beneficially, neck ring sliding cavities 52 communicating the motor shaft 13 and the fixing rod 14 are respectively formed in the upper and lower neck rings 29, side grooves 50 are formed in the upper walls of the neck ring sliding cavities 52, symmetrical magnets 51 are symmetrically and fixedly arranged in the left and right walls of the side grooves 50, neck ring sliding blocks 53 are slidably arranged in the neck ring sliding cavities 52 from left to right, the left end of each neck ring sliding block 53 is a threaded surface, a sliding piece 49 is fixedly connected to the upper end of each neck ring sliding block 53, the sliding piece 49 is slidably connected to the side grooves 50 from left to right, when the symmetrical magnet 51 on the right side is connected, the sliding piece 49 is attracted to move right, the neck ring sliding block 53 is driven to abut against the fixing rod 14 rightwards, the neck rings 29 are fixed relative to the fixing rod 14, the motor shaft 13 does not drive the neck rings 29 to move, when the symmetrical magnet 51 on the left side is connected, the sliding, and then the neck ring sliding block 53 is driven to be meshed with the motor shaft 13 leftwards, and the motor shaft 13 rotates to drive the neck ring sliding block 53 to move up and down, so that the neck ring 29 is driven to move up and down.

Advantageously, a syringe clamping spring 22 is attached to the left and right walls of the syringe housing 17 symmetrically, syringe clamping plates 18 are attached to opposite ends of the syringe clamping spring 22, respectively, and when a syringe is placed in the syringe housing 17, the left and right syringe clamping plates 18 clamp the syringe by the force of the syringe clamping spring 22, so that the stability of the syringe during injection is improved.

The following detailed description of the use steps of the present invention is provided with reference to fig. 1 to 4:

in the initial state, the lower ends of the two epilation pieces 28 are abutted together, the fastening ring 59 is engaged with the friction area 57, the fastening ring 59 is fixed relative to the fixed shaft 24, and the syringe holder support arm 27 is fixed relative to the fastening ring 59.

When the pet neck injection device is used, the motor 12 is started to drive the motor shaft 13 to rotate, the symmetrical magnet 51 on the left side is switched on to attract the slide sheet 49 to move left, the neck ring slide block 53 is driven to engage with the motor shaft 13 leftwards, the motor shaft 13 rotates to drive the neck ring slide block 53 to move up and down, the neck ring 29 is driven to move up and down, the upper neck ring 29 and the lower neck ring 29 move up and down at the same speed to adjust the height of the upper neck ring 29 and the lower neck ring 29 so as to adapt to the height of the head of a pet needing to be injected, then the upper neck ring 29 and the lower neck ring 29 are driven by the motor shaft 13 to respectively move back and forth to increase the distance between the two neck rings 29, so as to increase the distance between the upper neck plate 30 and the lower neck plate 30, the head of the pet passes backwards through the neck plate 30 and enables the neck plate 30 to oppositely face the pet, then the syringe is inserted into the syringe cavity 17 from top to bottom, the needle head on the syringe passes through the needle head hole 25 from top to bottom, the pressing plate 16 is pressed against the core bar, the push rod 35 pulls the switching slide bar 38 leftwards, so as to drive the right wall of the switching chute 43 to engage with the motor shaft 13 leftwards, the motor shaft 13 rotates to drive the switching slide bar 38 to move upwards and downwards, so as to drive the left side plate 45 to move upwards and downwards through the slide block 37, so as to drive the syringe holder support arm 27 to move upwards and downwards through the fixed shaft 24, so as to drive the syringe to move upwards and downwards through the syringe holder 23, so as to drive the hair poking plate 28 to move upwards and downwards through the side arm 21, the push rod 35 pushes the switching slide bar 38 rightwards, so as to drive the vertical conical teeth 36 to engage with the slider inner wheel 42 rightwards through the transverse shaft 34, the motor shaft 13 rotates to drive, further driving the bevel gear rotary drum 26 to rotate on the fixed shaft 24, further driving the pressing plate 16 to move up and down through the spur rack 15, after the neck of the pet is fixed between the neck rings 29, the side arm 21 drives the hair-poking sheet 28 to move down until the hair-poking sheet is abutted against the neck of the pet, the side arm 21 continues to drive the hair-poking sheet 28 to move down, further the left and right hair-poking sheets 28 are separated to the left and right sides and the hair of the neck is poked to the left and right sides to expose the skin of the neck, the syringe holder 23 continues to drive the syringe to move down until the syringe needle is driven to prick down into the skin of the neck after the hair is poked, at this time, the spur rack 15 drives the pressing plate 16 to move down, further the core rod is pushed down, the liquid medicine in the syringe is injected into the neck of the pet through the syringe needle, and when the ejector rod 56 pushes the fastening ring 59, at this time, the bevel gear drum 26 is fixed relative to the syringe base support arm 27, the transverse drum bevel gear 48 rotates to drive the bevel gear drum 26 to rotate, and then the fastening ring 59 drives the syringe base support arm 27 to rotate by taking the fixed shaft 24 as a rotation center, and then the syringe base 23 drives the syringe to rotate by taking the fixed shaft 24 as a rotation center, so as to adjust the angle of the syringe needle to inject different parts of the neck of the pet.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a device that is used for pet to pass through automatic injection liquid medicine behind the fixed neck, includes the base, its characterized in that: a motor is fixedly arranged in the base, the upper end of the motor is in power connection with a motor shaft, the motor shaft is vertically upward, the motor shaft is in up-down sliding connection with vertically symmetrical neck rings, the opposite ends of the neck rings are respectively and fixedly connected with neck clamping plate springs, the opposite ends of the neck clamping plate springs are respectively and fixedly connected with neck clamping plates, a slide block is arranged on the motor shaft in an up-down sliding manner, a slide block cavity with a leftward opening is arranged in the slide block, the left wall of the slide block cavity is fixedly connected with a push rod, the right end of the push rod is fixedly connected with a switching slide bar, a switching slide groove is formed in the switching slide bar in a vertically through manner, the motor shaft vertically penetrates through the switching slide groove, the right wall of the switching slide groove is a threaded surface, an inner slide block wheel is rotatably connected on the lower wall of the slide, the right end of the cross shaft is fixedly connected with vertical bevel gears, the left end of the sliding block is fixedly connected with a left side plate, a transverse rotating drum is arranged in the left side plate and moves left and right, a blind hole with a right opening is arranged in the transverse rotating drum, the left end of the cross shaft is connected with the blind hole in a left-right sliding manner, a blind hole spring is fixedly connected between the left end of the cross shaft and the left wall of the blind hole, the left end of the transverse rotating drum is fixedly connected with transverse rotating drum bevel gears, the front end of the left side plate is fixedly connected with a fixed shaft, a syringe seat supporting arm is rotatably connected with the fixed shaft, the front end of the syringe seat supporting arm is provided with a syringe seat supporting arm groove, the rear wall of the syringe seat supporting arm groove is communicated with an inner groove with a forward opening, the rear wall of the inner groove is fixedly connected with a push rod, the front end of the push rod is fixedly connected with a fastening ring, the fastening ring, the needle cylinder device is characterized in that a friction area is fixedly arranged on the fixed shaft, conical teeth of the transverse rotary drum are meshed with the front end of the conical tooth rotary drum, a straight rack is arranged in a needle cylinder seat supporting arm groove in a vertical sliding mode, the right end of the straight rack is meshed with the left end of the conical tooth rotary drum, a pressing plate is fixedly connected to the upper end of the straight rack, a needle cylinder seat is fixedly connected to the left side of the front end of the needle cylinder seat supporting arm, a needle cylinder seat cavity with an upward opening is arranged in the needle cylinder seat, needle head holes are formed in the lower wall of the needle cylinder seat cavity and communicated with the lower wall of the needle cylinder seat cavity, side arms are fixedly connected to the left end and the right end of the needle cylinder seat in a symmetrical mode, a hair poking sheet is arranged in the side.

2. The apparatus for automatically injecting a liquid medicine through a fixed neck for a pet as claimed in claim 1, wherein: the upper end of the base is fixedly connected with a fixed rod, the right end of the neck ring is vertically and slidably connected with the fixed rod, and the right end of the sliding block is vertically and slidably connected with the fixed rod.

3. The apparatus for automatically injecting a liquid medicine through a fixed neck for a pet as claimed in claim 1, wherein: the right end of the switching slide bar is provided with a side cavity with a right opening, a supporting block is arranged in the side cavity in a left-right sliding mode, and a supporting block spring is fixedly connected between the left end of the supporting block and the left wall of the side cavity.

4. The apparatus for automatically injecting a liquid medicine through a fixed neck for a pet as claimed in claim 1, wherein: two from top to bottom be equipped with the intercommunication respectively in the neck ring the motor shaft with the neck ring sliding chamber of dead lever, what the neck ring sliding chamber upper wall linked together is equipped with the side groove, symmetrical magnet has set firmly of phase symmetry in the wall about the side groove, the neck ring sliding chamber internal side-to-side slip is equipped with the neck ring slider, neck ring slider left end is the flank of screw, neck ring slider upper end has linked firmly the gleitbretter, gleitbretter side-to-side sliding connection in the side groove.

5. The apparatus for automatically injecting a liquid medicine through a fixed neck for a pet as claimed in claim 1, wherein: the syringe seat cavity is fixedly connected with syringe clamping plate springs symmetrically on the left wall and the right wall of the syringe seat cavity, and syringe clamping plates are fixedly connected with opposite ends of the syringe clamping plate springs respectively.