CN215012492U

CN215012492U - Tail suspension simulated weightlessness device

Info

Publication number: CN215012492U
Application number: CN202121287372.9U
Authority: CN
Inventors: 阮柏; 韩骅
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-07
Anticipated expiration: 2031-06-09

Abstract

The utility model discloses a tail suspends simulation weightlessness device in midair, suspend the cage body in midair including hollow structure, the bottom of suspending the cage body in midair is provided with hollow structure's base, the top level of base inside wall is provided with the grid board, the top center department of perpendicular to grid board is provided with the connecting rod, be provided with a plurality of division boards along the even interval of its circumferencial direction on the connecting rod lateral surface, the inside space separation that a plurality of division boards will suspend the cage body in midair is a plurality of test units, all be provided with adjustment mechanism in every test unit, adjustment mechanism is connected with two adjacent division boards, the last rope that suspends in midair that is provided with of adjustment mechanism. The utility model discloses a device can place many mice or rat simultaneously and carry out weightlessness experiment simulation, and the rope that the tail in a plurality of test units was suspended in midair can not intertwine, also can not scramble each other between the animal, can not influence the effect of experiment, has improved the accuracy of experimental result, has improved the utilization ratio in space, has reduced economic cost.

Description

Tail suspension simulated weightlessness device

Technical Field

The utility model belongs to the technical field of the simulation weightlessness test device, concretely relates to tail suspends simulation weightlessness device in midair.

Background

The development of science and technology promotes the world to explore space, and in the implementation of manned space flight missions, the influence and mechanism of space specific factors on various organ systems of human bodies are researched, and protective measures are provided, so that the space flight missions are one of important contents of aerospace medicine. The weight loss is the most important space environment factor, and the influence of the weight loss on a human body and the protection measures of the weight loss are always important research directions in the field. Under the limitation of objective conditions, researchers often construct a weightlessness model on the ground, so that the influence of the space weightlessness environment on various organ systems of the organism is researched. The rodent (rat, mouse) tail suspension model is an internationally accepted experimental model for ground simulated weightlessness. Most of the animal feeding cages of the existing tail suspension experimental device are customized by each research group, and have no fixed parameters or uniform standards. And because when a cage is provided with a plurality of mice for suspension, the ropes suspended at the tail can be intertwined, and the animals can climb each other, so that the suspension effect can not be achieved, one cage can only be provided with one mouse generally. In the practical experiment implementation process, a plurality of mice are generally required to be subjected to weightlessness experiment simulation at the same time, a plurality of cages are required to be used, and not only is too much feeding space occupied, and the low space utilization rate is caused, but also the economic cost is high. In addition, the mice fed in the single cage can cause unpredictable neuropsychiatric abnormal problems, such as autism, depression and hypokinesia, so that the application of the traditional single cage tail suspension in researching the influence of simulated weightlessness on certain physiological systems of the animals, such as the research of the weightlessness on the learning, memory and cognitive functions of the animals, can be limited or influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a tail and suspend in midair simulation weightlessness device.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a tail suspends simulation weightlessness device in midair, the cage body suspends in midair including hollow structure, suspend in midair the top and the equal opening in bottom of cage body, the bottom of suspending in midair the cage body is provided with hollow structure's base, the top and the bottom opening of base, the top level of base inside wall is provided with the grid board, the top center department of perpendicular to grid board is provided with the connecting rod, it is provided with a plurality of division boards to follow its circumferencial direction even interval on the connecting rod lateral surface, a plurality of division boards will suspend the inside space partition of cage body for a plurality of test units, all be provided with adjustment mechanism in every test unit, adjustment mechanism is connected with two adjacent division boards, the last rope that suspends in midair that is provided with of adjustment mechanism.

Preferably, the adjusting mechanism comprises a suspension sliding rod, a suspension ring, two supporting columns, two fixing rods and two sliding blocks, the two supporting columns are symmetrically and vertically arranged on the inner side surfaces of the two adjacent partition plates respectively, the two fixing rods are horizontally arranged at the tops of the two supporting columns respectively and are parallel to each other, sliding grooves are formed in the inner side surfaces of the two fixing rods along the length direction of the fixing rods respectively, the two sliding blocks are arranged in the two sliding grooves in a sliding mode respectively, the suspension sliding rod is arranged between the two fixing rods, the two ends of the suspension sliding rod are fixedly connected with the adjacent sliding blocks respectively, the suspension ring is sleeved on the suspension sliding rod, and one end of the suspension rope is fixedly connected with the suspension ring.

Preferably, the inner diameter of the suspension ring is larger than the outer diameter of the suspension slide bar.

Preferably, a plurality of hooks are arranged on the outer side face of the suspension cage body, water bottles required by animals are hung on the hooks, the water bottles correspond to the test units one by one, and the bottle mouth of each water bottle penetrates into the corresponding test unit.

Preferably, a plurality of feeding openings are formed in the outer side face of the suspension cage body and are respectively located above the water bottles.

Preferably, a notch is formed in the front side of the base, a circle of closed shelving groove is formed in the middle of the inner side wall of the base and communicated with the notch, and a collecting bin capable of being drawn out along the notch is arranged in the shelving groove.

Preferably, the cross section of the suspension cage body and the base is circular, square, regular pentagon or regular hexagon.

Preferably, the number of the partition plates is 2-6.

Preferably, the suspension cage body and the partition plate are made of transparent materials.

Preferably, a plurality of the partition plates are respectively vertical to the upper surfaces of the grid plates, and the bottom of each partition plate is fixedly connected with the top of the grid plate.

Compared with the prior art, the utility model, its beneficial effect lies in:

(1) the utility model provides a tail suspends simulation weightlessness device in midair, not only structural design is novel, and the practicality is strong moreover, can separate the inner space of suspending the cage body into a plurality of independent test units of each other through the design of a plurality of division boards, can place a mouse or rat in every test unit, then adopt the utility model discloses a device once can place a plurality of mice or rats simultaneously and carry out weightlessness experiment simulation, and a plurality of test units keep independent each other for the rope that the tail suspended in a plurality of test units can not twine each other, also can not climb each other between the animal, thereby can not influence the effect of experiment, has improved the accuracy of experimental result, has improved the utilization ratio in space simultaneously, has reduced economic cost;

(2) the utility model discloses divide the design that the baffle plate adopted transparent material, when every test unit keeps independent, can also make the mouse or the rat that suspend in the every test unit can see mouse or rat in other test units each other, make many mice or rat can communicate through expression or language, thereby on the basis of guaranteeing test result validity, can also avoid mouse or rat to appear unpredictable neuropsychiatric abnormal problem;

(3) the design of the adjusting mechanism in the utility model can enable the rope suspended at the tail to transversely slide left and right along the suspension slide bar or enable the suspension slide bar to move back and forth along the sliding groove under the action of the traction force of moving a mouse or a rat to other directions, thereby enabling the mouse or the rat to move left and right or back and forth in respective test unit, increasing the activity space, being closer to the actual simulated environment, and avoiding the stress caused by the complete constraint of the mouse or the rat;

(4) the utility model discloses the design of well collecting bin can be convenient for collect the excrement of mouse or rat to through the design of breach and shelving groove, can be convenient for place or take out the base with collecting bin, thereby be convenient for realize collecting bin's clearance.

Drawings

Fig. 1 is a schematic structural diagram of a tail suspension weightlessness simulation device provided in embodiment 1 of the present invention;

fig. 2 is a top view of a tail suspension weightlessness simulation device provided in embodiment 1 of the present invention;

fig. 3 is a schematic view of a connection structure of a base, a suspension cage body and a plurality of partition plates in embodiment 1 of the present invention;

fig. 4 is a schematic view of a connection structure of a base and a plurality of partition plates in embodiment 1 of the present invention;

fig. 5 is a schematic view of a connection structure between an adjusting mechanism and a partition plate in embodiment 1 of the present invention;

fig. 6 is a schematic structural view of the base in the state where the collecting bin is drawn out according to embodiment 1 of the present invention;

in the figure: 1. a suspension cage body; 2. a base; 3. a grid plate; 4. a connecting rod; 5. a partition plate; 6. a test unit; 7. an adjustment mechanism; 701, performing heat treatment on the mixture; suspending the slide bar; 702. a suspension ring; 703. a support pillar; 704. fixing the rod; 705. a slider; 706. a chute; 8. a suspension cord; 9. hooking; 10. a water bottle; 11. feeding the food mouth; 12. a notch; 13. a resting groove; 14. and collecting the bin.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Example 1

As shown in fig. 1 to 6, the tail suspension weight loss simulation device provided in embodiment 1 of the present invention comprises a suspension cage body 1 with a hollow structure, wherein both the top and the bottom of the suspension cage body 1 are open, a base 2 with a hollow structure is arranged at the bottom of the suspension cage body 1, both the top and the bottom of the base 2 are open, a grid plate 3 is horizontally arranged at the top of the inner side wall of the base 2, the grid plate 3 not only supports a mouse, a partition plate 5 and a connecting rod 4, but also enables metabolites of the animal to fall into a collection bin, the connecting rod 4 is arranged perpendicular to the top center of the grid plate 3, a plurality of partition plates 5 are uniformly arranged on the outer side surface of the connecting rod 4 along the circumferential direction, the plurality of partition plates 5 separate the internal space of the suspension cage body 1 into a plurality of test units 6, an adjusting mechanism 7 is arranged in each test unit 6, the adjusting mechanism 7 is connected with two adjacent partition plates 5, the adjusting mechanism 7 is provided with a suspension rope 8.

The adjusting mechanism 7 includes a suspension sliding rod 701, a suspension ring 702, two supporting columns 703, two fixing rods 704 and two sliding blocks 705, the two supporting columns 703 are respectively symmetrically and vertically disposed on inner side surfaces of the two adjacent partition plates 5, the two fixing rods 704 are respectively horizontally disposed on top of the two supporting columns 703, the two fixing rods 704 are parallel to each other, sliding grooves 706 are respectively disposed on the inner side surfaces of the two fixing rods 704 along the length direction thereof, the two sliding blocks 706 are respectively slidably disposed in the two sliding grooves 706, the suspension sliding rod 701 is disposed between the two fixing rods 704, and both ends of the suspension sliding rod 701 are respectively fixedly connected with the adjacent sliding blocks 705, the suspension ring 702 is sleeved on the suspension sliding rod 701, and one end of the suspension rope 8 is fixedly connected with the suspension ring 702. Under the action of traction force of a mouse or a rat moving left and right, the suspension ring 702 can slide left and right along the suspension slide bar 701, so that a suspension rope connected with the suspension ring 702 can transversely slide left and right along the suspension slide bar 701, and under the action of traction force of the mouse or the rat moving back and forth, the suspension ring 702 can pull the suspension slide bar 701 to move back and forth along the sliding groove under the action of the sliders 705 at the two ends, so that the suspension rope connected with the suspension ring 702 can move back and forth, and therefore the mouse or the rat can move left and right or back and forth in respective test units, and the movement space is enlarged.

The suspension ring 702 has an inner diameter dimension larger than an outer diameter dimension of the suspension slide bar 701. By the design, the suspension ring 702 can slide left and right along the suspension slide bar 701 under the action of the traction force of the mouse or the rat, so that the mouse or the rat can move left and right, and the limitation of the movement of the mouse or the rat is avoided.

The outer side surface of the suspension cage body 1 is provided with a plurality of hooks 9, water bottles 10 required by animals are hung on the hooks 9, the water bottles 10 correspond to the test units 6 one by one, and the bottle mouth of each water bottle 10 penetrates into the corresponding test unit 6. The rat or the mouse drinks water through the bottle opening of the water bottle 10, the drinking water requirement of the mouse or the rat can be met, and the design of the water bottles 10 can enable the drinking water of the rats or the mouse not to interfere with each other.

A plurality of feeding ports 11 are arranged on the outer side surface of the suspension cage body 1, and the feeding ports 11 are respectively positioned above the water bottles 10. In actual use, mice or rats are fed through the feeding ports 11.

The front side of base 2 is opened and is equipped with breach 12, the middle part of the inside wall of base 2 is seted up the closed shelving groove 13 of round, shelving groove 13 is linked together with breach 12, it is provided with the collection storehouse 14 that can take out along breach 12 in the shelving groove 13. The collecting bin 14 can be placed in the placing groove 13, the top and the bottom of the outer edge of the collecting bin 14 can be respectively contacted with the top and the bottom of the inner wall of the placing groove 13, so that the collecting bin 14 is supported, the collecting bin 14 can be gradually separated from the placing groove 13 by pulling the collecting bin 14 forwards, and the collecting bin 14 is drawn out of the base 2 and cleaned. In practical application, a handle can be arranged on the front side surface of the collecting bin for facilitating the extraction.

The cross sections of the suspension cage body 1 and the base 2 are circular.

The number of the partition plates 5 is 2-6. The number of partition plates in this example is preferably 6, and 6 test units 6 can be formed, so that 6 mice or rats can be placed at a time for simultaneous tests.

The suspension cage body 1 and the partition plate 5 are made of transparent materials. Suspension cage body 1 adopts transparent material can be convenient for observe the state of hanging in midair of mouse or rat, division board 5 adopts transparent material can keep independent when every test unit 6, can also make the mouse or the rat that hang in every test unit 6 can see mouse or the rat in other test unit 6 each other, make many mice or rat accessible expression or language exchange, thereby on the basis of guaranteeing test result validity, can also avoid mouse or rat to appear unpredictable neuropsychiatric abnormal problem. The transparent material may be transparent plastic, transparent glass, or the like.

The plurality of partition plates 5 are respectively vertical to the upper surface of the grid plate 3, and the bottom of each partition plate 5 is fixedly connected with the top of the grid plate 3. Such design can keep a plurality of test units mutually independent, avoids the rope intertwine that the tail hung in midair, climbing each other between the animal, can not reach the effect of hanging in midair.

Example 2

The structure of the tail suspension weightlessness simulation device provided in this embodiment is the same as that of the tail suspension weightlessness simulation device provided in embodiment 1, except that the cross sections of the suspension cage body 1 and the base 2 in this embodiment are regular quadrangles.

Example 3

The structure of the tail suspension weightlessness simulation device provided in this embodiment is the same as that of the tail suspension weightlessness simulation device provided in embodiment 1, except that the cross sections of the suspension cage body 1 and the base 2 in this embodiment are regular pentagons.

Example 4

The structure of the tail suspension weightlessness simulation device provided in this embodiment is the same as that of the tail suspension weightlessness simulation device provided in embodiment 1, except that the cross sections of the suspension cage body 1 and the base 2 in this embodiment are regular hexagons.

The utility model provides a tail suspends simulation weightlessness device in midair that embodiment 1-4 provided when using, it suspends it to required height to loop through the rope in midair respectively with many mice or rats, then put into the test unit from the top of each test unit, under the effect of the traction force that mouse or rat moved toward other directions, the rope in midair can be along suspending the slide bar horizontal slip or making and suspend the slide bar and do the back-and-forth movement along the spout in midair, thereby can make mouse or rat carry out left and right sides or front and back activity in respective test unit, make the activity space increase, then on time feed mouse or rat through feeding the mouth, and fill the water-jug with water, it is fixed through the couple, and make the bottleneck insert in each test unit, satisfy the drinking water demand of mouse or rat, and regularly through taking out the collection storehouse, handle the metabolite of mouse or rat collected in the collection storehouse, then, the actual state of the mouse sling was observed.

To sum up, the embodiment of the utility model provides a tail suspends simulation weightlessness device in midair, not only structural design is novel, and the practicality is strong moreover, can separate the inner space of suspension cage body for a plurality of independent test units through the design of a plurality of division boards, can place a mouse or rat in every test unit, then adopt the utility model discloses a device once can place a plurality of mice or rats simultaneously and carry out weightlessness experiment simulation, and a plurality of test units keep independent each other for the rope that the tail suspended in a plurality of test units can not twine each other, also can not scramble each other between the animal, thereby can not influence the effect of experiment, has improved the accuracy of experimental result, has improved the utilization ratio of space simultaneously, has reduced economic cost; the separation plate is made of transparent materials, so that the mice or rats suspended in each test unit can see the mice or rats in other test units while each test unit is independent, a plurality of mice or rats can communicate through expressions or languages, and the unpredictable neuropsychiatric abnormality of the mice or rats can be avoided on the basis of ensuring the effectiveness of test results; in addition, the design of the adjusting mechanism in the embodiment of the present invention can enable the rope suspended from the tail to slide laterally along the left and right sides of the suspension sliding rod or enable the suspension sliding rod to move back and forth along the sliding chute under the action of the traction force of the mouse or the rat moving towards other directions, so as to enable the mouse or the rat to move left and right or back and forth in the respective test unit, increase the movement space, be closer to the actual simulated environment, and avoid the stress caused by the complete constraint of the mouse or the rat; simultaneously, the design of collecting the storehouse can be convenient for collect the excrement of mouse or rat to through the design of breach and shelving the groove, can be convenient for place or take out the base with collecting the storehouse, thereby be convenient for realize collecting the clearance in storehouse.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The tail suspension simulated weightlessness device comprises a suspension cage body (1) with a hollow structure, and is characterized in that the top and the bottom of the suspension cage body (1) are provided with openings, the bottom of the suspension cage body (1) is provided with a base (2) with a hollow structure, the top and the bottom of the base (2) are provided with openings, the top of the inner side wall of the base (2) is horizontally provided with a grid plate (3), a connecting rod (4) is arranged at the center of the top of the grid plate (3) and is perpendicular to the outer side surface of the connecting rod (4), a plurality of partition plates (5) are uniformly arranged on the outer side surface of the connecting rod (4) at intervals along the circumferential direction of the connecting rod, the partition plates (5) separate the inner space of the suspension cage body (1) into a plurality of test units (6), each test unit (6) is internally provided with an adjusting mechanism (7), and the adjusting mechanisms (7) are connected with two adjacent partition plates (5), and a suspension rope (8) is arranged on the adjusting mechanism (7).

2. The tail-suspended simulated weightlessness device as claimed in claim 1, wherein the adjusting mechanism (7) comprises a suspending sliding rod (701), a suspending ring (702), two supporting rods (703), two fixing rods (704) and two sliding blocks (705), wherein the two supporting rods (703) are respectively symmetrically and vertically arranged on the inner side surfaces of two adjacent separating plates (5), the two fixing rods (704) are respectively horizontally arranged on the tops of the two supporting rods (703), the two fixing rods (704) are parallel to each other, sliding grooves (706) are respectively arranged on the inner side surfaces of the two fixing rods (704) along the length direction thereof, the two sliding blocks (705) are respectively slidably arranged in the two sliding grooves (706), the suspending sliding rod (701) is arranged between the two fixing rods (704), and the two ends thereof are respectively and fixedly connected with the adjacent sliding blocks (705), the suspension ring (702) is sleeved on the suspension slide bar (701), and one end of the suspension rope (8) is fixedly connected with the suspension ring (702).

3. The tail-suspended simulated weight loss device of claim 2, wherein the inner diameter dimension of the suspension ring (702) is greater than the outer diameter dimension of the suspension slide bar (701).

4. The tail suspension weight loss simulation device according to claim 1, wherein a plurality of hooks (9) are arranged on the outer side surface of the suspension cage body (1), water bottles (10) required by animals are hung on the hooks (9), the water bottles (10) are respectively in one-to-one correspondence with the test units (6), and the bottle mouth of each water bottle (10) penetrates into the corresponding test unit (6).

5. The tail suspension weightlessness simulation device according to claim 4, wherein a plurality of feeding ports (11) are provided on the outer side surface of the suspension cage body (1), and the feeding ports (11) are respectively located above the water bottles (10).

6. The tail suspension simulated weightlessness device according to claim 1, wherein a notch (12) is opened at the front side of the base (2), a circle of closed resting groove (13) is opened at the middle part of the inner side wall of the base (2), the resting groove (13) is communicated with the notch (12), and a collection bin (14) which can be drawn out along the notch (12) is arranged in the resting groove (13).

7. The tail suspension simulated weightlessness device according to claim 1, characterized in that the cross section of the suspension cage body (1) and the base (2) is circular, regular quadrilateral, regular pentagon or regular hexagon.

8. The tail-suspended weight loss simulator according to claim 1, wherein the number of the partition plates (5) is 2-6.

9. The tail suspension simulated weightlessness device according to claim 1, characterized in that the suspension cage body (1) and the partition plate (5) are made of transparent materials.

10. The tail-suspended weight loss simulator of claim 1, wherein a plurality of said partition plates (5) are perpendicular to the upper surface of the grid plate (3), respectively, and the bottom of each partition plate (5) is fixedly connected to the top of the grid plate (3).