Improved experimental device

Abstract

The utility model provides an improved experimental facility, relates to animal experiment technical field, including base and placing plate, install first support piece and second support piece on the base, install three installation piece on the first support piece, wherein the installation piece in the middle is rotatingly installed with screw rod, the screw rod is threaded connection with moving piece, and the moving piece is fixed on the base. A lower connecting piece is installed on the moving piece, a first connecting shaft is installed on the lower connecting piece, an upper connecting piece is installed on the lower portion of the containing plate, a second connecting shaft is installed on the upper connecting piece, and the first connecting shaft and the second connecting shaft are movably connected through a pushing rod. The pushing rod pushes the upper connecting piece and the middle of the placing plate to move through the second connecting shaft, at the moment, the placing plate moves with the movable shaft as the center, the end, located on the inner side, of the placing plate is gradually lifted and is in an inclined state, the placing plate gradually moves to the opened fence, and therefore animals in the experimental device can be conveniently taken out; and the interior of the box is convenient to clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of animal experiments, and more specifically, relates to an improved experimental device. Background Art

[0002] Euthanasia of laboratory animals means "a peaceful and meaningful death," with minimal pain and suffering. In laboratory animal science, euthanasia refers to the humane killing of experimental animals. As surrogates, laboratory animals are widely used in a variety of medical research fields, including studying the pathogenesis of human diseases, identifying therapeutic targets, and conducting drug trials. They have made significant contributions to the advancement of human medicine. Humans have an obligation to treat laboratory animals with adequate respect and minimize their pain and suffering during their killing. Therefore, the invention of a laboratory animal euthanasia device is crucial, as it not only demonstrates humanitarian care for laboratory animals but also ensures the safety of personnel performing euthanasia and reduces the psychological and emotional impact on operators.

[0003] Based on the above, the inventors have discovered the following problems: when euthanizing an animal, it is generally done in a box. However, after euthanasia, it is inconvenient to take out the animal and to clean the box, which is not conducive to subsequent use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an improved experimental device is provided to achieve a purpose with greater practical value. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an improved experimental device to solve the problem that it is inconvenient to take out the animals from the existing experimental device and it is inconvenient to clean the box.

[0006] The purpose and effect of the improved experimental device of the utility model are achieved by the following specific technical means:

[0007] An improved experimental device includes a base and a placement plate, wherein a first support member and a second support member are installed on the base, three mounting blocks are installed on the first support member, wherein a screw is rotatably installed on the mounting block located in the middle, a moving member is threadedly connected to the screw, a lower connecting member is installed on the moving member, a first connecting shaft is installed on the lower connecting member, an upper connecting member is installed on the lower part of the placement plate, a second connecting shaft is installed on the upper connecting member, and the first connecting shaft and the second connecting shaft are movably connected by a push rod.

[0008] Furthermore, the other two mounting blocks are located on both sides of the screw rod, and limiting rods are installed on the two mounting blocks. The two limiting rods respectively pass through the two ends of the moving part, and the two limiting rods are connected to the second support part.

[0009] Furthermore, a transverse plate is installed on the second support member, support blocks are installed at both ends of the transverse plate, movable shafts are installed on the support blocks, and the two support blocks are movably connected to the lower end of the placement plate through the movable shafts.

[0010] Furthermore, a movable block is installed at one end of the lower portion of the placement plate, and the support block is movably connected to the movable block via a movable shaft.

[0011] Furthermore, one end of the screw is connected to a drive motor, an output end of the drive motor is connected to the screw, and the drive motor is connected to the first support member.

[0012] Furthermore, the base is surrounded by four fences, wherein the fence located at one end of the placement plate can be opened, and the upper parts of the four fences are connected by a top cover.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] The cam is driven by a motor to drive the lower connecting member to move, and the lower connecting member can be driven by a motor to move the lower connecting member to move the lower connecting member, and the motor can be driven by a motor to move the lower connecting member to move the lower connecting member. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the internal assembly of an improved experimental device of the present invention.

[0016] Figure 2 It is an overall external schematic diagram of an improved experimental device of the present invention.

[0017] Figure 3 It is a partial assembly schematic diagram of an improved experimental device of the utility model.

[0018] Figure 4 It is a side schematic diagram of the inner part of an improved experimental device of the present invention.

[0019] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0020] 1. Base; 2. Fence; 3. First support member; 4. Second support member; 5. Horizontal plate; 6. Support block; 7. Movable shaft; 8. Movable block; 9. Placement plate; 10. Upper connecting member; 11. Mounting block; 12. Screw; 13. Lower connecting member; 14. First connecting shaft; 15. Push rod; 16. Second connecting shaft; 17. Limit rod; 18. Drive motor. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0022] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0024] Example:

[0025] As attached Figure 1 To the attached Figure 4 As shown:

[0026] The utility model provides an improved experimental device, including a base 1 and a placement plate 9, wherein a first support member 3 and a second support member 4 are installed on the base 1, three mounting blocks 11 are installed on the first support member 3, wherein a screw 12 is rotatably installed on the mounting block 11 located in the middle, a moving member is threadedly connected to the screw 12, a lower connecting member 13 is installed on the moving member, a first connecting shaft 14 is installed on the lower connecting member 13, an upper connecting member 10 is installed on the lower part of the placement plate 9, a second connecting shaft 16 is installed on the upper connecting member 10, the first connecting shaft 14 and the second connecting shaft 16 are movably connected by a push rod 15, and the other two The mounting blocks 11 are located on both sides of the screw rod 12, and limiting rods 17 are installed on the two mounting blocks 11. The two limiting rods 17 respectively pass through the two ends of the moving part, and the two limiting rods 17 are connected to the second support member 4. The limiting rods 17 passing through the two ends of the moving part can keep the moving part moving smoothly, and the moving part drives the lower connecting member 13 to move when it moves. The lower connecting member 13 can make the pushing rod 15 move through the first connecting shaft 14, and the pushing rod 15 pushes the upper connecting member 10 and the middle part of the placement plate 9 through the second connecting shaft 16. At this time, the placement plate 9 moves with the movable shaft 7 as the center, and the inner end of the placement plate 9 is gradually lifted up and is in an inclined state.

[0027] Among them, a horizontal plate 5 is installed on the second supporting member 4, and support blocks 6 are installed at both ends of the horizontal plate 5. A movable shaft 7 is installed on the support block 6. The two support blocks 6 are movably connected to the lower end of the placement plate 9 through the movable shaft 7. A movable block 8 is installed at the lower end of the placement plate 9. The support block 6 is movably connected to the movable block 8 through the movable shaft 7. The pushing rod 15 pushes the upper connecting member 10 and the middle part of the placement plate 9 to move through the second connecting shaft 16. At this time, the placement plate 9 moves around the movable shaft 7, and the inner end of the placement plate 9 is gradually lifted.

[0028] Among them, one end of the screw 12 is connected to a drive motor 18, the output end of the drive motor 18 is connected to the screw 12, and the drive motor 18 is connected to the first support member 3. The drive motor 18 can drive the screw 12 to rotate, and when the screw 12 rotates, it can drive the moving part to move horizontally. The limiting rod 17 passing through both ends of the moving part can keep the moving part moving smoothly.

[0029] The base 1 is surrounded by four fences 2, wherein the fence 2 located at one end of the placement plate 9 can be opened, and the upper parts of the four fences 2 are connected by a top cover.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the present invention, the animal is first placed on the placement plate 9, the animal is injected with medicine, and then the fence 2 is closed. When the animal is euthanized and the animal needs to be taken out or the placement plate 9 needs to be cleaned, the drive motor 18 is started. The drive motor 18 can drive the screw 12 to rotate, and the screw 12 can drive the moving part to move horizontally when it rotates. The limit rod 17 passing through both ends of the moving part can keep the moving part moving smoothly. When the moving part moves, it drives the lower connecting part 13 to move. The lower connecting part 13 can make the push rod 15 move through the first connecting shaft 14. The push rod 15 pushes the upper connecting part 10 and the middle part of the placement plate 9 through the second connecting shaft 16. At this time, the placement plate 9 moves with the movable shaft 7 as the center, and the inner end of the placement plate 9 is gradually lifted and tilted. The placement plate 9 gradually moves to the opened fence 2.

[0032] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. An improved experimental device, comprising a base (1) and a placement plate (9), characterized in that: A first support member (3) and a second support member (4) are installed on the base (1); three mounting blocks (11) are installed on the first support member (3); a screw rod (12) is rotatably installed on the mounting block (11) located in the middle; a moving member is threadedly connected to the screw rod (12); a lower connecting member (13) is installed on the moving member; a first connecting shaft (14) is installed on the lower connecting member (13); an upper connecting member (10) is installed on the lower part of the placement plate (9); a second connecting shaft (16) is installed on the upper connecting member (10); the first connecting shaft (14) and the second connecting shaft (16) are movably connected via a push rod (15).

2. An improved experimental device as claimed in claim 1, characterized in that: The other two mounting blocks (11) are located on both sides of the screw rod (12), and limiting rods (17) are installed on the two mounting blocks (11). The two limiting rods (17) respectively pass through the two ends of the moving part, and the two limiting rods (17) are connected to the second support member (4).

3. An improved experimental device as claimed in claim 1, characterized in that: A transverse plate (5) is mounted on the second support member (4), support blocks (6) are mounted at both ends of the transverse plate (5), and a movable shaft (7) is mounted on the support block (6). The two support blocks (6) are movably connected to the lower end of the placement plate (9) via the movable shaft (7).

4. An improved experimental device as claimed in claim 3, characterized in that: A movable block (8) is installed at one end of the lower portion of the placement plate (9), and the support block (6) is movably connected to the movable block (8) via a movable shaft (7).

5. An improved experimental device as claimed in claim 1, characterized in that: One end of the screw rod (12) is connected to a driving motor (18), an output end of the driving motor (18) is connected to the screw rod (12), and the driving motor (18) is connected to the first support member (3).

6. An improved experimental device as claimed in claim 1, characterized in that: The base (1) is surrounded by four fences (2), wherein the fence (2) located at one end of the placement plate (9) can be opened, and the upper parts of the four fences (2) are connected by a top cover.

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