Water bath box with test tube height convenient to adjust

Abstract

The utility model discloses a water bath box convenient for adjusting the height of a test tube, which relates to the technical field of water bath boxes and comprises a water bath box body, a box cover is arranged on the water bath box body, a heating element is arranged in the water bath box body, and a fixing plate is arranged on the inner wall of the water bath box body. The fixed plate is in threaded connection with a first threaded rod, the bottom of the first threaded rod is rotationally connected with a first movable plate, and a plurality of limiting rods are arranged on the bottom wall of the water bath box body. The vertical height of the first moving plate is adjusted through the first threaded rod, the first moving plate drives the pair of second moving plates to move together, personnel adjust the vertical heights of the second moving plates through the second threaded rods respectively, and then the second moving plates drive test tubes inserted on the second moving plates to move. The immersion depths of the two groups of test tubes with different lengths and tube diameters are respectively and quickly adjusted, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water baths, in particular to a water bath that is convenient for adjusting the height of test tubes. Background Art

[0002] Water baths can provide a constant temperature environment for heating and insulation and are often used in biological and chemical experiments. For example, the utility model patent with announcement number CN208260791U discloses a test tube water bath device. By installing a test tube holder on a support column, the position of the test tube holder is determined according to the height of the test tube, and then a support member is installed. The support member supports the test tube holder. The support member installation structure with an appropriate height can be selected according to the height of the test tube and actual needs.

[0003] However, this utility model is only applicable to test tubes of the same model. When two groups of test tubes with different lengths and diameters are heated in a water bath, the drafts of the two groups of test tubes are different in length and diameter, and the drafts of the two groups of test tubes cannot be quickly adjusted separately, resulting in poor applicability. Utility Model Content

[0004] In response to the above-mentioned deficiencies in the prior art, the present invention provides a water bath that is convenient for adjusting the height of test tubes. The vertical height of the first movable plate is adjusted by a first threaded rod, and the first movable plate drives a pair of second movable plates to move together. The personnel then adjusts the vertical height of the second movable plates respectively through the second threaded rod, and then the second movable plates drive the test tubes inserted thereon to move, so as to quickly adjust the draft of two groups of test tubes of different lengths and diameters, thereby improving the applicability of the device.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a water bath box that is convenient for adjusting the height of a test tube, comprising a water bath box body, the upper cover of the water bath box body is provided with a box cover, the water bath box body is provided with a heating element, a fixing plate is provided on the inner wall of the water bath box body, the fixing plate is threadedly connected to a first threaded rod, the bottom of the first threaded rod is rotatably connected to the first movable plate, a plurality of limit rods are provided on the bottom wall of the water bath box body, the plurality of limit rods pass through the first movable plate and are slidably connected to the first movable plate, a pair of door-shaped plates are provided on the upper surface of the first movable plate, the top of each door-shaped plate is threadedly connected to a second threaded rod, the bottom of the second threaded rod is rotatably connected to the second movable plate, the plurality of limit rods pass through the second movable plate and are slidably connected to the second movable plate, two groups of first through holes are opened on the two second movable plates, and two groups of rubber sleeves with different diameters are provided in the two groups of the first through holes.

[0006] Preferably, a first connecting seat is provided on the first movable plate, a first limiting block is provided at the bottom of the first threaded rod, and the first limiting block is rotatably provided in the first connecting seat.

[0007] Preferably, a second connecting seat is provided on the second movable plate, a second limiting block is provided at the bottom of the second threaded rod, and the second limiting block is rotatably provided in the second connecting seat.

[0008] Preferably, a plurality of second through holes are formed on the first connecting plate.

[0009] Preferably, a plurality of connecting rods are provided at the bottom of each second movable plate, and brackets are provided at the bottoms of the plurality of connecting rods.

[0010] The utility model provides a water bath box which is convenient for adjusting the height of test tubes and has the following beneficial effects:

[0011] 1. This utility model uses a first threaded rod to adjust the vertical height of a first movable plate, which then drives a pair of second movable plates to move together. A person then uses a second threaded rod to adjust the vertical height of each of the second movable plates, which in turn drives the test tubes inserted thereon to move. This allows for quick adjustment of the draft of two groups of test tubes of different lengths and diameters, thereby improving the applicability of the device.

[0012] 2. The utility model has a plurality of second through holes on the first connecting plate, through which water in the water bath body can flow; a plurality of connecting rods are provided at the bottom of each second movable plate, and a bracket is provided at the bottom of the plurality of connecting rods to support the test tubes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] In the figure: 1. Water bath body; 2. Tank cover; 3. Heating element; 4. Fixing plate; 5. First threaded rod; 6. First stop block; 7. First movable plate; 7-1. Second through hole; 8. First connecting seat; 9. Stop rod; 10. Second movable plate; 11. Rubber sleeve; 12. Gate-shaped plate; 13. Second threaded rod; 14. Second stop block; 15. Second connecting seat; 16. Connecting rod; 17. Bracket. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] like Figure 1 As shown, a water bath that is convenient for adjusting the height of a test tube comprises a water bath body 1, the water bath body 1 is covered with a box cover 2, a heating element 3 is arranged in the water bath body 1, a fixing plate 4 is arranged on the inner wall of the water bath body 1, a first threaded rod 5 is threadedly connected to the fixing plate 4, the bottom of the first threaded rod 5 is rotatably connected to the first movable plate 7, a plurality of limiting rods 9 are arranged on the bottom wall of the water bath body 1, a plurality of limiting rods 9 pass through the first movable plate 7 and are slidably connected to the first movable plate 7, a pair of gate-shaped plates 12 are arranged on the upper surface of the first movable plate 7, the top of each gate-shaped plate 12 is threadedly connected to a second threaded rod 13, the bottom of the second threaded rod 13 is rotatably connected to the second movable plate 10, a plurality of limiting rods 9 pass through the second movable plate The movable plate 10 is slidably connected to the second movable plate 10, and two groups of first through holes 7-1 are provided on the two second movable plates 10, and two groups of rubber sleeves 11 with different diameters are provided in the two groups of the first through holes 7-1; a first connecting seat 8 is provided on the first movable plate 7, and a first limit block 6 is provided at the bottom of the first threaded rod 5, and the first limit block 6 is rotatably set in the first connecting seat 8; a second connecting seat 15 is provided on the second movable plate 10, and a second limit block 14 is provided at the bottom of the second threaded rod 13, and the second limit block 14 is rotatably set in the second connecting seat 15; a plurality of second through holes 7-1 are provided on the first connecting plate; a plurality of connecting rods 16 are provided at the bottom of each of the second movable plates 10, and a bracket 17 is provided at the bottom of the plurality of connecting rods 16.

[0017] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process, which are as follows:

[0018] In the present invention, the heating element 3 is connected to the external electric control system through a wire. The above equipment and connection method are prior arts and will not be described in detail here.

[0019] According to the instruction manual Figure 1It can be seen that when the present invention is in use, the box cover 2 is opened to add water to the water bath body 1, the heating element 3 is started to heat the water, and the temperature of the water is kept at a specified value (a temperature sensor is set in the water bath body 1, and the operation of the heating element 3 is controlled by the control system). The personnel manually screw the first threaded rod 5. Since the first threaded rod 5 is threadedly connected to the fixed plate 4 and the bottom is rotatably connected to the first movable plate 7, multiple limit rods 9 pass through the first movable plate 7 and are slidably connected to the first movable plate 7. Therefore, when the first threaded rod 5 is rotated, it can drive the first movable plate 7 to move in the vertical direction, and then adjust the vertical height of the first movable plate 7 and a pair of second movable plates 10 arranged thereon, insert two groups of test tubes with different lengths and diameters into the two groups of rubber sleeves 11, and the personnel Then, the second threaded rod 13 threadedly connected to the door-shaped plate 12 is rotated respectively, and the second threaded rod 13 drives the second movable plate 10 rotatably connected to its bottom to move (multiple limit rods 9 also limit the second movable plate 10 in the horizontal direction), and the second movable plate 10 drives the multiple test tubes arranged thereon to move in the vertical direction, thereby adjusting the draft of the two groups of test tubes respectively; the utility model adjusts the vertical height of the first movable plate 7 by the first threaded rod 5, and the first movable plate 7 drives a pair of second movable plates 10 to move together, and the personnel then adjusts the vertical height of the second movable plate 10 respectively by the second threaded rod 13, thereby making the second movable plate 10 drive the test tubes inserted thereon to move, so as to quickly adjust the draft of the two groups of test tubes with different lengths and diameters, thereby improving the applicability of the device.

[0020] There is a possible implementation method. A first connecting seat 8 is provided on the first movable plate 7, and a first limit block 6 is provided at the bottom of the first threaded rod 5. The first limit block 6 is rotatably set in the first connecting seat 8. When the first threaded rod 5 moves in the vertical direction, it drives the first limit block 6 to move, the first limit block 6 drives the first connecting seat 8 to move, and the first connecting seat 8 drives the first movable plate 7 to move.

[0021] There is a possible implementation method. A second connecting seat 15 is provided on the second movable plate 10, and a second limit block 14 is provided at the bottom of the second threaded rod 13. The second limit block 14 is rotatably set in the second connecting seat 15. When the second threaded rod 13 moves in the vertical direction, it drives the second limit block 14 to move, the second limit block 14 drives the second connecting seat 15 to move, and the second connecting seat 15 drives the second movable plate 10 to move.

[0022] In one possible implementation, a plurality of second through holes 7 - 1 are provided on the first connecting plate, and the second through holes 7 - 1 allow water in the water bath body 1 to flow through.

[0023] In one possible implementation, a plurality of connecting rods 16 are provided at the bottom of each second movable plate 10 , and a bracket 17 is provided at the bottom of the plurality of connecting rods 16 , and the bracket 17 supports the test tube.

[0024] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water bath for adjusting the height of a test tube, comprising a water bath body (1), a cover (2) being provided on the water bath body (1), a heating element (3) being provided inside the water bath body (1), and characterized in that: A fixed plate (4) is provided on the inner wall of the water bath body (1), a first threaded rod (5) is threadedly connected to the fixed plate (4), the bottom of the first threaded rod (5) is rotatably connected to the first movable plate (7), a plurality of limiting rods (9) are provided on the bottom wall of the water bath body (1), the plurality of limiting rods (9) pass through the first movable plate (7) and are slidably connected to the first movable plate (7), a pair of door-shaped plates (12) are provided on the upper surface of the first movable plate (7), the top of each door-shaped plate (12) is threadedly connected to the second threaded rod (13), the bottom of the second threaded rod (13) is rotatably connected to the second movable plate (10), the plurality of limiting rods (9) pass through the second movable plate (10) and are slidably connected to the second movable plate (10), two groups of first through holes (7-1) are opened on the two second movable plates (10), and two groups of rubber sleeves (11) with different diameters are provided in the two groups of the first through holes (7-1).

2. A water bath for adjusting the height of test tubes according to claim 1, characterized in that: A first connecting seat (8) is provided on the first movable plate (7), a first limiting block (6) is provided at the bottom of the first threaded rod (5), and the first limiting block (6) is rotatably arranged in the first connecting seat (8).

3. A water bath for adjusting the height of test tubes according to claim 1, characterized in that: A second connecting seat (15) is provided on the second movable plate (10), a second limiting block (14) is provided at the bottom of the second threaded rod (13), and the second limiting block (14) is rotatably arranged in the second connecting seat (15).

4. A water bath for adjusting the height of test tubes according to claim 1, characterized in that: The first movable plate (7) is provided with a plurality of second through holes (7-1).

5. The water bath for adjusting the height of test tubes according to claim 1, characterized in that: A plurality of connecting rods (16) are provided at the bottom of each second movable plate (10), and a bracket (17) is provided at the bottom of the plurality of connecting rods (16).

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