CN210228391U

CN210228391U - Fixing device for mouse experiments

Info

Publication number: CN210228391U
Application number: CN201920727228.9U
Authority: CN
Inventors: Guoxian Pei; 裴国献; Tianqing Cao; 曹天庆; Liu Yang; 杨柳; Pengzhen Cheng; 程朋真; Shuaishuai Zhang; 张帅帅; Junqin Li; 李俊琴; Yi Gao; 高祎; Bin Liu; 刘斌; Yue Song; 宋岳
Original assignee: Fourth Military Medical University FMMU
Current assignee: Fourth Military Medical University FMMU
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-03
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a fixing device for mouse experiments, the on-line screen storage device comprises a base, the inside intermediate position department of base is provided with first through-hole, first through-hole two both ends evenly are provided with two sets of first spouts, the inside two sets of push-and-pull baffle that is provided with of first through-hole, it is two sets of the intermediate position department symmetry at push-and-pull baffle both ends is installed first slider, first slider and first spout mutually support, and are two sets of the push-and-pull baffle distributes from top to bottom. The utility model discloses the device is through mutually supporting of slide rail, second slider, rear-guard shield, the outer threaded rod of second, internal thread sleeve pipe, body baffle, spacing sleeve pipe and litter, can fix the body both sides of different size laboratory mice, enlarges the application scope of device, through mutually supporting of first spout, first slider, push-and-pull baffle and first through-hole, shelters from the abdominal position of laboratory mouse, when needs inject the belly, and the operation is more convenient.

Description

Fixing device for mouse experiments

Technical Field

The utility model relates to an experimental apparatus technical field specifically is fixing device for mouse experiments.

Background

The experimental mouse is the most commonly used experimental animal in scientific research, and relates to many scientific research fields such as medicine, pharmacology, pathology, biology, microbiology and the like, the traditional operation method is that the tail of the mouse is lifted by the right hand and is put on a cage cover or other rough surfaces, when the mouse struggles and crawls forwards, the skin of the ears and the neck of the mouse is pinched by the thumb and the forefinger of the left hand, the skin of the back and the tail of the mouse are clamped by the ring finger and the little finger of the left hand, researchers need to spend much strength to fix the mouse, but in the actual operation, because the experimental mouse has small volume and flexible and rapid action, is easy to bite the hands of the research personnel, and the sound is harsh in the experimental process and uncomfortable in the operation process, and the experimental mouse body type is difficult to keep unified, and the current device specification is comparatively rigid, and the limitation of being suitable for is great, and fixed effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device for mouse experiments to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the fixing device for the mouse experiment comprises a base, wherein a first through hole is formed in the middle of the inside of the base, two groups of first sliding grooves are uniformly formed in two ends of the first through hole, two groups of push-pull baffles are arranged in the first through hole, first sliding blocks are symmetrically arranged in the middle of two ends of the two groups of push-pull baffles, the first sliding blocks are matched with the first sliding grooves, the two groups of push-pull baffles are distributed up and down, grooves are symmetrically formed in the tops of two ends of the inside of the base, sliding rails are arranged at two ends of the inside of the two groups of grooves, second sliding blocks are arranged in the grooves, the second sliding blocks are matched with the sliding rails, rear-drive protective covers are jointly arranged at the tops of the two groups of second sliding blocks, a third through hole is formed in the top of one side of the front face of the base and is communicated with the grooves, and a positioning bolt matched with the third, one side of the rear-drive protective cover is provided with a first jack, a rear-drive baffle matched with the first jack is arranged in the first jack, sliding rods are arranged at the middle positions of the tops of two ends in the rear-drive protective cover, second external threaded rods are symmetrically arranged at the middle positions of two ends of the rear-drive protective cover and extend into the rear-drive protective cover, two groups of second external threaded rods extend into the rear-drive protective cover, internal thread sleeves matched with the second external threaded rods are sleeved outside the rear-drive protective cover, body baffles are arranged at one sides, close to each other, of the two groups of internal thread sleeves, limiting sleeves are arranged at the tops of the two groups of internal thread sleeves, the limiting sleeves and the sliding rods slide mutually, rear leg through holes are arranged at the middle positions of the bottoms of two ends of the rear-drive protective cover and at the bottoms of the two groups of body baffles, second sliding grooves are symmetrically arranged, the inner part of the second sliding chute is provided with third sliding blocks matched with the second sliding chute, two ends of each third sliding block are provided with first external thread rods, the tops of two groups of third sliding blocks are provided with U-shaped connecting plates, the top of two ends of the base, far away from the third through hole, is provided with a second through hole, each first external thread rod penetrates through the second through hole and extends out of the inner part of the corresponding second sliding chute, two ends of the outer side of each first external thread rod are sleeved with nuts matched with the first external thread rods, the nuts are matched with the second through holes, the top of the base is provided with a front drive protective cover, the front drive protective cover is positioned between the U-shaped connecting plates and a rear drive protective cover, the rear drive protective cover is sleeved on the outer part of the front drive protective cover, front leg through holes are symmetrically arranged at the middle positions of the bottoms of two ends of the front drive protective, and the inside of second jack is provided with the head baffle rather than mutual adaptation, the intermediate position department at back-drive protection casing and forerunner protection casing top all is provided with the bleeder vent, the intermediate position department of back-drive baffle and head baffle bottom all is provided with the arc through-hole.

Preferably, the four corners of the bottom of the base are provided with anti-skid support legs.

Preferably, the inner sides of the rear leg through hole and the front leg through hole are both provided with rubber layers.

Preferably, the middle positions of the bottoms of the two groups of push-pull baffles are provided with grooves.

Preferably, the middle positions of the tops of the two sides of the rear-drive baffle and the head baffle are provided with jacks.

Preferably, pull rings are installed on the sides, away from each other, of the tops of the rear-drive protective cover and the front-drive protective cover.

Preferably, the sponge cushion is arranged on one side, close to each other, of each of the two groups of body baffles.

Compared with the prior art, the beneficial effects of the utility model are that: this fixing device for mouse experiments passes through the slide rail, the second slider, the rear-guard protection casing, the outer threaded rod of second, the internal thread sleeve pipe, the body baffle, mutually supporting of spacing sleeve pipe and litter, can fix the body both sides of different size laboratory mouse, the application scope of extension device, through first spout, first slider, mutually supporting of push-and-pull baffle and first through-hole, shelter from the abdominal position of laboratory mouse, when needs inject the belly, it is more convenient to operate, through U style of calligraphy connecting plate, the second spout, the second through-hole, the third slider, first outer threaded rod, mutually supporting of nut, fix laboratory mouse mouth position, avoid it in the experimentation, it bites and buzzes to tear, improve the comfort level of researcher operation.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the base of the present invention;

fig. 4 is a side view of the present invention;

fig. 5 is a schematic diagram of the internal structure of the first through hole of the present invention.

In the figure: 1. a base; 2. a first chute; 3. a first slider; 4. pushing and pulling the baffle plate; 5. a first through hole; 6. a slide rail; 7. a groove; 8. a second slider; 9. a first jack; 10. a rear drive baffle; 11. air holes are formed; 12. a rear leg through hole; 13. a rear drive shield; 14. a front-drive shield; 15. a head baffle; 16. a pull ring; 17. a second jack; 18. a front leg through hole; 19. a U-shaped connecting plate; 20. a second chute; 21. a second through hole; 22. a third slider; 23. a first externally threaded rod; 24. a third through hole; 25. positioning the bolt; 26. a second outer threaded rod; 27. an internally threaded sleeve; 28. a body barrier; 29. a limiting sleeve; 30. a slide rod; 31. and a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a fixing device for a mouse experiment comprises a base 1, wherein a first through hole 5 is arranged in the middle of the inside of the base 1, two groups of first sliding grooves 2 are uniformly arranged at two ends of the first through hole 5, two groups of push-pull baffles 4 are arranged in the first through hole 5, first sliding blocks 3 are symmetrically arranged in the middle of two ends of the two groups of push-pull baffles 4, the first sliding blocks 3 are matched with the first sliding grooves 2, the two groups of push-pull baffles 4 are distributed up and down, grooves 7 are symmetrically arranged at the tops of two ends of the inside of the base 1, sliding rails 6 are arranged at two ends of the inside of the two groups of grooves 7, second sliding blocks 8 are arranged in the grooves 7, the second sliding blocks 8 are matched with the sliding rails 6, a rear-driving protective cover 13 is jointly arranged at the tops of the two groups of second sliding blocks 8, a third through hole 24 is arranged at the top of one side of the front end of the base 1, the third through hole 24, a first jack 9 is arranged at one side of a rear-drive shield 13, a rear-drive baffle 10 matched with the first jack 9 is arranged in the first jack 9, sliding rods 30 are arranged at the middle positions of the tops of two ends in the rear-drive shield 13, second external threaded rods 26 are symmetrically arranged at the middle positions of two ends of the rear-drive shield 13, the second external threaded rods 26 extend into the rear-drive shield 13, internal threaded sleeves 27 matched with the two sets of external threaded rods 26 are sleeved outside the rear-drive shield 13, body baffles 28 are arranged at the sides, close to each other, of the two sets of internal threaded sleeves 27, limit sleeves 29 are arranged at the tops of the two sets of internal threaded sleeves 27, the limit sleeves 29 and the sliding rods 30 slide with each other, rear leg through holes 12 are arranged at the middle positions of the bottoms of two ends of the rear-drive shield 13 and the bottoms of the two sets of body baffles 28, and second chutes 20 are symmetrically arranged at the tops of two, the interior of the second chute 20 is provided with third sliders 22 which are matched with the second chutes, two ends of each third slider 22 are provided with first external threaded rods 23, the tops of two groups of third sliders 22 are provided with U-shaped connecting plates 19, the tops of two ends of the base 1, which are far away from the third through holes 24, are provided with second through holes 21, the first external threaded rods 23 penetrate through the second through holes 21 and extend out of the interior of the second chute 20, two ends of the outer side of each first external threaded rod 23 are sleeved with nuts 31 which are mutually matched with the first external threaded rods, the nuts 31 are mutually matched with the second through holes 21, the top of the base 1 is provided with a front drive shield 14, the front drive shield 14 is positioned between the U-shaped connecting plates 19 and a rear drive shield 13, the rear drive shield 13 is sleeved outside the front drive shield 14, front leg through holes 18 are symmetrically arranged at the middle positions of the bottoms of two ends of the front drive shield 14, one side, which, and the inside of second jack 17 is provided with head baffle 15 rather than mutual adaptation, and the intermediate position department at back-drive protection casing 13 and forerunner's protection casing 14 top all is provided with bleeder vent 11, and the intermediate position department of back-drive baffle 10 and head baffle 15 bottom all is provided with the arc through-hole.

In this implementation, the four corners department of base 1 bottom all is provided with anti-skidding stabilizer blade, support the device, and have skid-proof effect, back leg through-hole 12 all is provided with the rubber layer with the inboard of foreleg through-hole 18, the texture is softer, avoid causing the injury to laboratory mouse four limbs, the intermediate position department of two sets of push-pull baffles 4 bottoms all is provided with the recess, the operation of being convenient for, the intermediate position department at back-

drive baffle

10 and 15 both sides tops of head baffle is provided with the jack, be convenient for carry on spacingly to the laboratory mouse body, pull ring 16 is all installed to one side of keeping away from each other at back-drive protection casing 13 and the 14 tops of forerunner protection casing, be convenient for handheld, one side that two sets of body baffles 28 are close.

The working principle is as follows: before the device is used, the head baffle 15 is inserted into the second jack 17, the pull ring 16 is pulled, the rear-drive protective cover 13 is moved to a specified position through the mutual sliding of the second slide block 8 and the slide rail 6, the positioning bolt 25 is screwed into the groove 7 through the third through hole 24 through the transmission positioning bolt 25, the positions of the second slide block 8 and the rear-drive protective cover 13 are fixed, then a laboratory mouse is plugged into the front-drive protective cover 14, the head of the laboratory mouse extends out of the interior of the front-drive protective cover 14 through the lower part of the head baffle 15, the internal thread sleeve 27 and the body baffle 28 are driven to move to the specified position through the slow rotation of the second external thread rod 26, the limiting sleeve 29 and the slide rod 30 to mutually slide, so that the laboratory mouse is fixed, the rear legs extend out of the device through the rear leg through holes 12, and the front legs can extend out of the device through the front leg through holes 18, then insert the inside of first jack 9 with back-drive baffle 10, fix the position of laboratory mouse back trunk, through the mutual slip of third slider 22 and second spout 20, move U style of calligraphy connecting plate 19 to assigned position department, fix laboratory mouse mouth position through U style of calligraphy connecting plate 19, after the position removal finishes, rotate nut 31 to the assigned position on first external screw rod 23, thereby fix the position of third slider 22 and U style of calligraphy connecting plate 19, can inject laboratory mouse back through bleeder vent 11, when needing to inject laboratory mouse belly, can stimulate two sets of push-and-pull baffles 4 to same vertical position, thereby expose the belly outside, make things convenient for operating personnel to inject.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Fixing device for mouse experiments, including base (1), its characterized in that: a first through hole (5) is formed in the middle of the inner portion of the base (1), two groups of first sliding grooves (2) are uniformly formed in two ends of the first through hole (5), two groups of push-pull baffles (4) are arranged in the first through hole (5), first sliding blocks (3) are symmetrically arranged in the middle of two ends of the two groups of push-pull baffles (4), the first sliding blocks (3) are matched with the first sliding grooves (2), the two groups of push-pull baffles (4) are vertically distributed, grooves (7) are symmetrically arranged at the tops of two ends of the inner portion of the base (1), sliding rails (6) are arranged at two ends of the inner portion of the two groups of grooves (7), a second sliding block (8) is arranged in the inner portion of the groove (7), the second sliding block (8) is matched with the sliding rails (6), a rear driving protective cover (13) is jointly arranged at the tops of the two groups of second sliding blocks (8, the top of the positive one end side of the base (1) is provided with a third through hole (24), the third through hole (24) is communicated with the groove (7), the inside of the third through hole (24) is provided with a positioning bolt (25) matched with the third through hole, one side of the rear-drive protective cover (13) is provided with a first jack (9), the inside of the first jack (9) is provided with a rear-drive baffle (10) matched with the first jack, the middle position of the top of the two ends inside the rear-drive protective cover (13) is provided with a sliding rod (30), the middle positions of the two ends of the rear-drive protective cover (13) are symmetrically provided with second external threaded rods (26), the second external threaded rods (26) extend to the inside of the rear-drive protective cover (13), and the two sets of the second external threaded rods (26) extend to the outside of the inside of the rear-drive protective cover (13) and are provided with internal threaded, the body baffle (28) is installed to one side that two sets of internal thread sleeve pipe (27) are close to each other, and spacing sleeve pipe (29) is installed at the top of two sets of internal thread sleeve pipe (27), spacing sleeve pipe (29) and litter (30) slide each other, rear-guard shield (13) both ends bottom intermediate position department and two sets of the bottom of body baffle (28) all are provided with back leg through-hole (12), the inside top symmetry of keeping away from recess (7) one side both ends of base (1) is provided with second spout (20), the inside of second spout (20) is provided with third slider (22) rather than mutually supporting, the both ends of third slider (22) are provided with first external screw thread pole (23), and U style of calligraphy connecting plate (19) is installed at two sets of the top of third slider (22), the top that third through-hole (24) was kept away from at base (1) both ends is provided with second through-hole (21), the first external thread rod (23) penetrates through the second through hole (21) and extends out of the interior of the second sliding groove (20), nuts (31) matched with the first external thread rod (23) are sleeved at two ends of the outer side of the first external thread rod (23), the nuts (31) and the second through hole (21) are matched with each other, a front drive protective cover (14) is installed at the top of the base (1), the front drive protective cover (14) is located between the U-shaped connecting plate (19) and the rear drive protective cover (13), the rear drive protective cover (13) is sleeved outside the front drive protective cover (14), front leg through holes (18) are symmetrically arranged at the middle positions of the bottoms of two ends of the front drive protective cover (14), a second inserting hole (17) is formed in one side, away from the rear drive protective cover (13), of the front drive protective cover (14), and a head baffle (15) matched with the second inserting hole (17) is formed in the, the middle positions of the tops of the rear-drive protective cover (13) and the front-drive protective cover (14) are provided with air holes (11), and the middle positions of the bottoms of the rear-drive baffle (10) and the head baffle (15) are provided with arc-shaped through holes.

2. The experimental mouse fixing device according to claim 1, wherein: the four corners of the bottom of the base (1) are provided with anti-skid supporting legs.

3. The experimental mouse fixing device according to claim 1, wherein: rubber layers are arranged on the inner sides of the rear leg through hole (12) and the front leg through hole (18).

4. The experimental mouse fixing device according to claim 1, wherein: grooves are formed in the middle of the bottoms of the two groups of push-pull baffles (4).

5. The experimental mouse fixing device according to claim 1, wherein: and the middle positions of the tops of the two sides of the rear-drive baffle (10) and the head baffle (15) are provided with jacks.

6. The experimental mouse fixing device according to claim 1, wherein: and pull rings (16) are arranged on the sides, far away from each other, of the tops of the rear-drive protective cover (13) and the front-drive protective cover (14).

7. The experimental mouse fixing device according to claim 1, wherein: one side of each two groups of body baffles (28) close to each other is provided with a spongy cushion.