CN113012548A

CN113012548A - Animal sample display device for livestock teaching

Info

Publication number: CN113012548A
Application number: CN202110270532.7A
Authority: CN
Inventors: 胡文举; 刘淑萍; 赵强
Original assignee: Zhengzhou Vocational University of Information and Technology
Current assignee: Zhengzhou Vocational University of Information and Technology
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-06-22

Abstract

The invention belongs to the field of animal husbandry teaching equipment, in particular to an animal sample display device for animal husbandry teaching, which aims at solving the problem that the height, the display angle and the display direction of the existing animal sample can not be adjusted, and provides the following scheme, wherein the animal sample display device comprises a rotating base, telescopic rods are fixedly arranged on two sides of the top of the rotating base, sleeves are fixedly arranged at the top end and the bottom end of one side, close to each other, of the two telescopic rods, the inner walls of the two sleeves are engaged with the same bidirectional threaded rod, and the bottom ends of the two sleeves positioned at the lower position are respectively and fixedly connected with two sides of the top of the rotating base. The display direction is directly adjusted, the operation is simple, and the use is convenient.

Description

Animal sample display device for livestock teaching

Technical Field

The invention relates to the technical field of animal husbandry teaching equipment, in particular to an animal sample display device for animal husbandry teaching.

Background

The animal husbandry veterinarian is a specialty of common higher schools and belongs to animal husbandry, and the basic repair year limit is three years; the professional culture has the basic knowledge and technical skills of livestock veterinarians, and can be used for high-level technical application type special talents for livestock management and disease diagnosis and treatment;

the existing display device cannot adjust the height, the display angle and the display direction of an animal sample, so that the animal sample display device for livestock teaching is provided for solving the problems.

Disclosure of Invention

Based on the technical problem that the height, the display angle and the display direction of an animal sample cannot be adjusted in the background technology, the invention provides an animal sample display device for animal husbandry teaching.

The invention provides an animal sample display device for animal husbandry teaching, which comprises a rotating base, wherein telescopic rods are fixedly arranged on two sides of the top of the rotating base, sleeves are fixedly arranged on the top end and the bottom end of one side, close to each other, of each telescopic rod, the inner walls of the two sleeves are engaged with the same two-way threaded rod, the bottom ends of the two sleeves located at the lower position are respectively and fixedly connected with two sides of the top of the rotating base, first shells are fixedly arranged on one sides, close to each other, of the two sleeves located at the upper position, connecting gears are rotatably connected on the inner walls of the tops of the two first shells, two symmetrically arranged adjusting gears are arranged in the two first shells, the adjusting gear located at one side is rotatably connected with the inner wall of the first shell, the adjusting gear located at the other side extends out of the first shells and is fixedly connected with the sleeves located at, the tops of the four adjusting gears are respectively meshed with two sides of the two connecting gears, one side of the two first shells, which is close to each other, is fixedly connected with the same teaching platform, the two-way threaded rods are respectively and fixedly sleeved with a matching gear, the two-way threaded rods are rotatably connected with the same second shell, the inner wall of the second shell is fixedly provided with a double-shaft motor, the output shaft of the double-shaft motor is of a hollow structure, the inner walls of the two output shafts of the double-shaft motor are respectively and slidably connected with a transmission rod, one end, which is far away from each other, of the two transmission rods is respectively and fixedly provided with a driving gear, the two sides of the inner wall of the top of the second shell are respectively and rotatably connected with driving gears, the inner wall of the second shell is rotatably connected with two rotating columns which are symmetrically arranged, two driving gears are respectively matched with the two rotating columns, two auxiliary gears are respectively meshed with the two matching gears, meshing blocks are respectively connected onto two output shafts of the double-shaft motor in a sliding manner, the tops of the sides, far away from each other, of the two meshing blocks are respectively connected with driving rods in a sliding manner, the top ends of the two driving rods are respectively connected onto the inner wall of the second shell in a sliding manner, one ends of the two driving rods are respectively fixedly sleeved on the two transmission rods, four rotating frames are connected onto the inner wall of the second shell in a sliding manner, the same hollow gear is fixedly installed on the side, near each other, of each two adjacent rotating frames, the two meshing blocks are respectively matched with the two hollow gears, the bottom of the side, far away from each other, of the two meshing blocks is respectively connected with a matching rod in a sliding manner, one end of each matching rod is rotatably, the fixed plate is fixedly mounted on one side of the two first shells and one side of the second shell, the number of the fixed plates on one side of the second shell is two, one side of the four fixed plates is rotatably connected with the driven gear, the four driven gears are respectively meshed with the two adjusting gears and the two hollow gears, the four driven gears are sleeved with the belt, one side of the four fixed plates is rotatably connected with the adjusting plate, one side of each two adjacent adjusting plates, which is close to each other, is rotatably connected with the same rotating shaft, and two adjacent belt sleeves are arranged on the rotating shaft.

Preferably, two cavities that the symmetry set up are seted up on the teaching bench, and equal sliding connection has a drawer on the inner wall of two cavities, and teaching aid is stored to the drawer use.

Preferably, the equal fixed mounting in top of two first shells has a shelves pole, and one side that is located the shelves pole of one side position is rotated and is connected with transparent ya keli board, the one side of transparent ya keli board and the shelves pole sliding contact of one side position can be closed transparent ya keli board after fixing the sample, just can use transparent ya keli board as the blackboard.

Preferably, the teaching table is fixedly provided with a bottom plate, the bottom plate is provided with four rectangular through holes arranged in a matrix, the inner walls of every two adjacent rectangular through holes are connected with the same binding band in a sliding manner, and the binding band is used for fixing the animal sample.

Preferably, the equal fixed mounting in top both sides of catch bar has the spring, and the equal fixed mounting in bottom of second shell in top of two springs is used for supplementary catch bar for the catch bar is released the back at the staff, and catch bar accessible spring resets.

Preferably, the top outside of rotating the post is equipped with a plurality of teeth of equidistant range, tooth meshes with the drive gear mutually for it can mesh and live the rotation post to drive the gear, makes to rotate the post and can be driven the gear and drive the rotation.

Preferably, connect the through-hole on the first shell and all seted up on the both sides of second shell for two driven gear can be respectively enter into first shell and second shell in with hollow gear and adjusting gear be connected, make hollow gear can reach the adjusting gear rotation, and after second shell and two first shells break away from, hollow gear still can give adjusting gear with power transmission.

Preferably, the inner walls of the two output shafts of the double-shaft motor are fixedly provided with vertical rods, the transmission rod is provided with a sliding groove, the vertical rods are matched with the sliding groove, the outer sides of the vertical rods are connected with the inner walls of the sliding groove in a sliding mode, so that the output shafts of the double-shaft motor can drive the transmission rod to rotate when rotating, and meanwhile, when the transmission rod stretches out and draws back, the double-shaft motor can also drive the transmission rod to rotate.

The invention has the beneficial effects that: by starting the double-shaft motor, the double-shaft motor rotates to drive the transmission rod to rotate, the transmission rod drives the driving gear to rotate, the driving gear drives the rotating column to rotate, the rotating column drives the auxiliary gear to rotate, the auxiliary gear drives the matching gear to rotate, the matching gear directly drives the two-way threaded rod to rotate, the two-way threaded rod rotates in the two sleeves, the two sleeves are driven to be away from or close to each other by the rotation of the two-way threaded rod due to the fact that threads are arranged in the two sleeves, the two sleeves are far away from each other by the rotation of the double-shaft motor, the two sleeves are close to each other by the rotation of the double-shaft motor, the sleeves in the;

by pushing the pushing rod upwards, the spring is compressed, then the matching rod is pushed, the matching rod pushes the two meshing blocks to approach each other, the meshing blocks are pushed into the hollow gear to be meshed with the hollow gear, at the moment, the output shaft of the double-shaft motor is connected with the hollow gear, the meshing blocks pull the transmission rod, the transmission rod pulls the driving gear to be separated from the driving gear, the output shaft of the double-shaft motor drives the hollow gear to rotate, the driving gear idles, the hollow gear drives the driven gear at the lower position to rotate, the driven gear drives the rotating shaft to rotate through the belt at the lower position, the rotating shaft drives the driven gear at the upper position to rotate through the belt at the upper position, the driven gear at the upper position drives the adjusting gear at one side position to rotate, the adjusting gear drives the connecting gear to rotate, the connecting gear drives the adjusting gear at the other side position to rotate, and the adjusting gear, but the display angle can not be adjusted, the connecting gear drives the teaching platform to rotate at the moment, the display angle is adjusted, the power transmission direction is changed, the force which drives the gear to rotate by the original double-shaft motor is changed into hollow gear transmission, and the ascending and descending are changed into angle adjustment;

the animal sample display device is simple in structure, the animal sample is controlled to ascend and descend through the double-shaft motor, the display angle and the display direction are adjusted, meanwhile, the animal sample display device is pushed upwards through the push rod, ascending and descending power is transmitted to the adjusting gear to adjust the display angle, the display direction is directly adjusted, and the animal sample display device is simple to operate and convenient to use.

Drawings

Fig. 1 is a main sectional view of the structure of an animal sample display device for animal husbandry teaching according to the present invention;

fig. 2 is an enlarged schematic view of a structure a of the animal sample display device for animal husbandry teaching provided by the invention;

fig. 3 is an enlarged schematic view of the structure B of the animal sample display device for animal husbandry teaching provided by the invention.

FIG. 4 is a partial side view of the structure of an animal specimen display device for teaching livestock husbandry in accordance with the present invention;

fig. 5 is a partial top view of the structure of the animal sample display device for animal husbandry teaching according to the present invention.

In the figure: the device comprises a rotating base 1, a sleeve 2, a telescopic rod 3, a matching gear 4, a bidirectional threaded rod 5, a gear lever 6, a binding band 7, a transparent acrylic plate 8, a bottom plate 9, a teaching table 10, a connecting gear 11, a first shell 12, an adjusting gear 13, an auxiliary gear 14, a rotating column 15, a driving gear 16, a driving gear 17, a transmission rod 18, a second shell 19, a spring 20, a pushing rod 21, a double-shaft motor 22, a matching rod 23, a driving rod 24, a hollow gear 25, a rotating frame 26, a meshing block 27, an adjusting plate 28, a rotating shaft 29, a belt 30, a fixing plate 31 and a driven gear 32.

Detailed Description

The present invention will be further illustrated with reference to the following specific examples.

Examples

Referring to fig. 1-5, the embodiment provides an animal sample display device for animal husbandry teaching, which includes a rotating base 1, wherein two sides of the top of the rotating base 1 are both fixedly installed with a telescopic rod 3, two telescopic rods 3 are both fixedly installed with a sleeve 2 at the top end and the bottom end of the side close to each other, the inner walls of the two sleeves 2 are engaged with the same two-way threaded rod 5, the inner walls of the two sleeves 2 are both provided with threads, due to the threads in the two sleeves 2, the two-way threaded rod 5 rotates to drive the two sleeves 2 to be away from each other or close to each other, the two sleeves 2 are moved away from each other by the forward rotation of a double-shaft motor 22, the two sleeves 2 are moved close to each other by the reverse rotation of the double-shaft motor 22, the upper sleeve 2 drives a sample to descend, the two sleeves 2 at the upper position are moved away from each other, the bottom ends, one side, close to each other, of each of two sleeves 2 positioned at an upper position is fixedly provided with a first shell 12, the inner walls of the tops of the two first shells 12 are rotatably connected with a connecting gear 11, two adjusting gears 13 symmetrically arranged are arranged in the two first shells 12, the adjusting gear 13 positioned at one side is rotatably connected with the inner wall of the first shell 12, the adjusting gear 13 positioned at the other side extends out of the first shell 12 and is fixedly connected with the sleeves 2 positioned at the upper position, the tops of the four adjusting gears 13 are respectively meshed with two sides of the two connecting gears 11, one side, close to each other, of the two first shells 12 is fixedly connected with the same teaching platform 10, the two bidirectional threaded rods 5 are fixedly sleeved with matching gears 4, the two bidirectional threaded rods 5 are rotatably connected with the same second shell 19, and the inner wall of the second shell 19 is fixedly provided with a double-shaft motor 22, the output shaft of the double-shaft motor 22 is of a hollow structure, the inner walls of the two output shafts of the double-shaft motor 22 are both connected with a transmission rod 18 in a sliding manner, the inner walls of the two output shafts of the double-shaft motor 22 are both fixedly provided with vertical rods, the transmission rod 18 is provided with sliding grooves, the vertical rods are matched with the sliding grooves, the outer sides of the vertical rods are connected with the inner walls of the sliding grooves in a sliding manner, so that the output shafts of the double-shaft motor 22 can drive the transmission rod 18 to rotate when rotating, meanwhile, when the transmission rod 18 stretches out and draws back, the double-shaft motor 22 can also drive the transmission rod 18 to rotate, one end, far away from each other, of the two transmission rods 18 is both fixedly provided with a driving gear 17, both sides of the inner wall at the top of the second shell 19 are both rotatably connected with two rotating columns 15 which are symmetrically arranged, two driving gears 16 are respectively matched with two rotating columns 15, a plurality of teeth which are arranged at equal intervals are arranged on the outer side of the top of each rotating column 15, the teeth are meshed with the driving gears 16 and are used for driving the gears 16 to be meshed with the rotating columns 15, so that the rotating columns 15 can be driven by the driving gears 16 to rotate, two auxiliary gears 14 are respectively meshed with two matched gears 4, meshing blocks 27 are respectively and slidably connected onto two output shafts of a double-shaft motor 22, driving rods 24 are respectively and slidably connected onto the tops of the sides, far away from each other, of the two meshing blocks 27, the top ends of the two driving rods 24 are respectively and slidably connected onto the inner wall of a second shell 19, one ends of the two driving rods 24 are respectively and fixedly sleeved on the two driving rods 18, four rotating frames 26 are slidably connected onto the inner wall of the second shell 19, and the same hollow gear 25 is fixedly installed on the side, near to, the two meshing blocks 27 are respectively matched with the two hollow gears 25, the bottoms of the sides, far away from each other, of the two meshing blocks 27 are respectively connected with a matching rod 23 in a sliding mode, one end of each matching rod 23 is connected with the same push rod 21 in a rotating mode, the push rods 21 extend out of the second shell 19, the push rods 21 are used for controlling the meshing blocks 27, after the push rods 21 are pushed upwards, the push rods 21 push the two matching rods 23, the two matching rods 23 push the two meshing blocks 27 to be close to each other, then the meshing blocks 27 are pushed into the hollow gears 25 to be meshed with the hollow gears 25, the output shafts of the double-shaft motors 22 are connected with the hollow gears 25, meanwhile, the meshing blocks 27 pull the transmission rods 18, the transmission rods 18 pull the driving gears 17 to be separated from the driving gears 16, at the moment, the output shafts of the double-shaft motors 22 drive the hollow gears 25 to rotate, the driving gears 17, the power driving the gear 16 is transmitted to the hollow gear 25, the two sides of the top of the push rod 21 are fixedly provided with the springs 20, the top ends of the two springs 20 are fixedly arranged at the bottom of the second shell 19, the springs 20 are used for assisting the push rod 21, so that after the push rod 21 is released by hands, the push rod 21 can reset through the springs 20, the fixing plates 31 are fixedly arranged at one sides of the two first shells 12 and one side of the second shell 19, the number of the fixing plates 31 at one side of the second shell 19 is two, one sides of the four fixing plates 31 are rotatably connected with the driven gears 32, the four driven gears 32 are respectively meshed with the two adjusting gears 13 and the two hollow gears 25, the first shell 12 and the two sides of the second shell 19 are respectively provided with connecting through holes, so that the two driven gears 32 can respectively enter the first shell 12 and the second shell 19 to connect the hollow gear 25 with the adjusting gear 13, the hollow gear 25 can rotate to the adjusting gear 13, after the second shell 19 is separated from the two first shells 12, the hollow gear 25 can still transmit power to the adjusting gear 13, the four driven gears 32 are respectively sleeved with the belt 30, one side of each of the four fixing plates 31 is respectively rotatably connected with the adjusting plate 28, one side of each two adjacent adjusting plates 28, which is close to each other, is rotatably connected with the same rotating shaft 29, and each two adjacent belts 30 are sleeved on one rotating shaft 29; the teaching table 10 is provided with two symmetrically arranged cavities, the inner walls of the two cavities are both connected with drawers in a sliding manner, and the drawers are used for storing teaching tools; the top parts of the two first shells 12 are fixedly provided with the baffle rods 6, one side of the baffle rod 6 positioned at one side is rotatably connected with the transparent acrylic plate 8, one side of the transparent acrylic plate 8 is in sliding contact with the baffle rod 6 positioned at one side, the transparent acrylic plate 8 can be closed after a sample is fixed, and the transparent acrylic plate 8 can be used as a blackboard; the teaching table 10 is fixedly provided with a bottom plate 9, the bottom plate 9 is provided with four rectangular through holes which are arranged in a matrix manner, the inner walls of every two adjacent rectangular through holes are connected with the same bandage 7 in a sliding manner, and the bandage 7 is used for fixing an animal sample.

In this embodiment, when the animal sample is to be displayed, the sample is fixed on the bottom plate 9 by the binding band 7, then the transparent acrylic plate 8 is closed, the transparent acrylic plate 8 can be used as a blackboard, the drawer on the teaching table 10 can be used for storing the sample, if the height of the sample is to be lifted, only the double-shaft motor 22 needs to be directly started, the double-shaft motor 22 rotates to drive the transmission rod 18 to rotate, the transmission rod 18 drives the driving gear 17 to rotate, the driving gear 17 drives the driving gear 16 to rotate, the driving gear 16 drives the rotating column 15 to rotate, the rotating column 15 drives the auxiliary gear 14 to rotate, the auxiliary gear 14 drives the matching gear 4 to rotate, the matching gear 4 directly drives the two-way threaded rod 5 to rotate, the two-way threaded rod 5 rotates in the two sleeves 2, because the two sleeves 2 are both provided with threads, the two-way threaded rod 5 rotates to drive the two sleeves 2 to be far away, when the double-shaft motor 22 rotates forwards, the two sleeves 2 are far away from each other, when the double-shaft motor 22 rotates backwards, the two sleeves 2 are close to each other, the two sleeves 2 are far away from each other, the sleeve 2 at the upper position drives the sample to rise, the rotating base 1 can also rotate the sample, if the angle of the sample needs to be adjusted, at this time, the push rod 21 needs to be pushed upwards, after the push rod 21 is pushed upwards, the spring 20 is firstly compressed, then the matching rod 23 is pushed, the matching rod 23 pushes the two meshing blocks 27 to be close to each other, then the meshing blocks 27 are pushed into the hollow gear 25 to be meshed with the hollow gear 25, the output shaft of the double-shaft motor 22 is connected with the hollow gear 25, meanwhile, the transmission rod 18 is pulled by the transmission rod 18, the driving gear 17 is separated from the driving gear 16, at this time, the output shaft of, then the hollow gear 25 drives the driven gear 32 at the lower position to rotate, the driven gear 32 drives the rotating shaft 29 to rotate through the belt 30 at the lower position, the rotating shaft 29 drives the driven gear 32 at the upper position to rotate through the belt 30 at the upper position, the driven gear 32 at the upper position drives the adjusting gear 13 at one side position to rotate, the adjusting gear 13 drives the connecting gear 11 to rotate, the connecting gear 11 drives the adjusting gear 13 at the other side position to rotate, the adjusting gear 13 at the other side is in sliding connection with the sleeve 2 at the upper position but cannot rotate, the connecting gear 11 drives the teaching table 10 to rotate at the moment, the adjustment of the display angle is realized, and when the height of the teaching table 10 needs to be raised or lowered, only the push rod 21 needs to be loosened, so that the operation is simple and the use is convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. Animal sample display device for livestock teaching, which comprises a rotating base (1) and is characterized in that telescopic rods (3) are fixedly mounted on both sides of the top of the rotating base (1), sleeves (2) are fixedly mounted on the top and bottom of one side, close to each other, of the two telescopic rods (3), the inner walls of the two sleeves (2) are engaged with the same two-way threaded rod (5), the bottoms of the two sleeves (2) positioned at the lower position are fixedly connected with both sides of the top of the rotating base (1) respectively, first shells (12) are fixedly mounted on one sides, close to each other, of the two sleeves (2) positioned at the upper position, connecting gears (11) are rotatably connected on the inner walls of the tops of the two first shells (12), two adjusting gears (13) symmetrically arranged are arranged in the two first shells (12), the adjusting gear (13) positioned at one side is rotatably connected with the inner walls of the first shells (12), adjusting gears (13) at the other side position extend to the outside of the first shell (12) and are fixedly connected with a sleeve (2) positioned above, the tops of the four adjusting gears (13) are respectively meshed with the two sides of the two connecting gears (11), one side of each first shell (12) close to each other is fixedly connected with a same teaching platform (10), the two-way threaded rods (5) are fixedly sleeved with matched gears (4), the two-way threaded rods (5) are rotatably connected with a same second shell (19), a double-shaft motor (22) is fixedly installed on the inner wall of the second shell (19), the output shaft of the double-shaft motor (22) is of a hollow structure, transmission rods (18) are slidably connected on the inner walls of the two output shafts of the double-shaft motor (22), and a driving gear (17) is fixedly installed on one end of each transmission rod (18) far away from each other, the two sides of the inner wall of the top of the second shell (19) are rotatably connected with driving gears (16), the inner wall of the second shell (19) is rotatably connected with two rotating columns (15) which are symmetrically arranged, the two rotating columns (15) are fixedly sleeved with auxiliary gears (14), two driving gears (17) are respectively meshed with the two driving gears (16), the two driving gears (16) are respectively matched with the two rotating columns (15), the two auxiliary gears (14) are respectively meshed with the two matching gears (4), meshing blocks (27) are respectively and slidably connected to two output shafts of the double-shaft motor (22), the tops of the sides, far away from each other, of the two meshing blocks (27) are respectively and slidably connected with driving rods (24), the top ends of the two driving rods (24) are respectively and slidably connected to the inner wall of the second shell (19), one ends of the two driving rods (24) are respectively and fixedly sleeved on the two driving rods (18), the inner wall of the second shell (19) is connected with four rotating frames (26) in a sliding manner, one side, close to each other, of each two adjacent rotating frames (26) is fixedly provided with the same hollow gear (25), two meshing blocks (27) are matched with the two hollow gears (25) respectively, the bottoms of the sides, far away from each other, of the two meshing blocks (27) are connected with matching rods (23) respectively in a sliding manner, one ends of the two matching rods (23) are connected with the same push rod (21) in a rotating manner, the push rod (21) extends out of the second shell (19), one sides of the two first shells (12) and one side of the second shell (19) are fixedly provided with fixing plates (31), the number of the fixing plates (31) on one side of the second shell (19) is two, one sides of the four fixing plates (31) are connected with driven gears (32) in a rotating manner, and the four driven gears (32) are respectively meshed with the two adjusting gears (13) and the two hollow, all the four driven gears (32) are sleeved with belts (30), one side of each of the four fixing plates (31) is rotatably connected with an adjusting plate (28), one side of each two adjacent adjusting plates (28) close to each other is rotatably connected with the same rotating shaft (29), and each two adjacent belts (30) are sleeved on the rotating shaft (29).

2. The animal sample display device for animal husbandry teaching of claim 1, wherein the teaching table (10) is provided with two symmetrically arranged cavities, and the inner walls of the two cavities are both connected with drawers in a sliding manner.

3. The animal sample display device for animal husbandry teaching according to claim 1, wherein a stop rod (6) is fixedly mounted on the top of each of the two first housings (12), a transparent acrylic plate (8) is rotatably connected to one side of the stop rod (6) at one side position, and one side of the transparent acrylic plate (8) is in sliding contact with the stop rod (6) at one side position.

4. An animal sample display device for animal husbandry teaching according to claim 1, wherein a bottom plate (9) is fixedly mounted on the teaching platform (10), four rectangular through holes arranged in a matrix are formed in the bottom plate (9), and the same binding band (7) is slidably connected to the inner wall of each two adjacent rectangular through holes.

5. An animal sample display device for animal husbandry teaching according to claim 1, characterized in that springs (20) are fixedly mounted on both sides of the top of the push rod (21), and the top ends of the two springs (20) are fixedly mounted on the bottom of the second housing (19).

6. Animal sample display device for animal husbandry teaching according to claim 1, characterized in that the top outer side of the rotation column (15) is provided with a plurality of teeth arranged at equal intervals, and the teeth are engaged with the driving gear (16).

7. The animal sample display device for animal husbandry teaching according to claim 1, wherein the first housing (12) and the second housing (19) are provided with connecting through holes on both sides.

8. The animal sample display device for animal husbandry teaching according to claim 1, wherein vertical rods are fixedly mounted on inner walls of two output shafts of the two-shaft motor (22), the transmission rod (18) is provided with a sliding groove, the vertical rods are matched with the sliding groove, and outer sides of the vertical rods are slidably connected with inner walls of the sliding groove.