Test tube brush

Abstract

The utility model relates to a test tube brush which comprises a grab handle and a fixing column arranged on the grab handle, a plurality of fixing grooves are annularly formed in the surface of the fixing column, and a plurality of mounting plates matched with the fixing grooves are arranged on the outer surface of the fixing column. Bristles are fixedly mounted on the surface of the side, away from the fixing column, of the mounting plate, a plurality of threaded holes are formed in the surface of the mounting plate, and the mounting plate is detachably mounted in the fixing groove through the threaded holes; the device further comprises a bottom plate, a plurality of bottom bristles are fixedly installed on the lower surface of the bottom plate, a first threaded rod is fixedly installed on the upper surface of the bottom plate, a threaded groove matched with the first threaded rod is formed in the lower portion of the fixing column, and the bottom plate is connected to the bottom of the fixing column in a threaded and inserted mode through the first threaded rod. The test tube brush has the advantages that when the bottom bristles or the brush bristles are damaged, the test tube brush does not need to be replaced integrally, and unnecessary resource waste is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental equipment, in particular to a test tube brush. Background Art

[0002] When conducting various tests in the laboratory, a large number of test tubes are used (sometimes multiple batches of test tubes are accumulated and cleaned at one time according to experimental needs). When cleaning the test tubes, a test tube brush is usually used to clean the inner wall.

[0003] The bristles on existing test tube brushes are usually installed directly on the handle. When the staff cleans, the bristles in some areas may be damaged. In order to avoid incomplete cleaning of the test tube, the entire test tube brush is usually discarded. Since the bristles in other parts of the handle are often still intact, this practice easily leads to a waste of resources and significantly increases the laboratory's operating costs in the long run. Utility Model Content

[0004] The utility model aims to provide a test tube brush to solve the above problems existing in the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A test tube brush comprises a handle and a fixing column arranged on the handle, a plurality of fixing grooves are provided in a ring shape on the surface of the fixing column, a plurality of mounting plates adapted to the fixing grooves are provided on the outer surface of the fixing column, bristles are fixedly mounted on the surface of the mounting plate facing away from the fixing column, a plurality of threaded holes are provided on the surface of the mounting plate, and the mounting plate can be detachably mounted inside the fixing groove through the plurality of threaded holes; it also includes a bottom plate, a plurality of bottom bristles are fixedly mounted on the lower surface of the bottom plate, a first threaded rod is fixedly mounted on the upper surface of the bottom plate, and a threaded groove adapted to the first threaded rod is provided below the fixing column, and the bottom plate is threadedly plugged into the bottom of the fixing column through the first threaded rod.

[0007] The beneficial effects of the present invention are as follows: by detachably mounting the mounting plate on the surface of the fixed column, when the bristles of a certain piece are damaged, it is only necessary to easily disassemble and replace the damaged mounting plate; at the same time, when the bottom bristles under the bottom plate are damaged, the bottom plate can be removed from the fixed column by rotating it, so that the bottom bristles can be replaced; when the bottom bristles or the bristles are damaged, there is no need to replace the test tube brush as a whole, which reduces unnecessary waste of resources and saves a lot of expenses for the daily operation of the laboratory.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, a protective pad is fixedly installed on the side wall of the bottom plate.

[0010] Furthermore, a second threaded rod is fixedly mounted on the top of the fixing column, and the handle is threadedly sleeved on the surface of the second threaded rod.

[0011] Furthermore, a rubber sleeve is fixedly sleeved on a surface of one side of the handle away from the second threaded rod.

[0012] Furthermore, a plurality of protrusions are fixedly mounted on the surface of the rubber sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the fixed column and the mounting plate of the utility model;

[0015] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle.

[0016] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0017] 1. Handle; 2. Fixed column; 3. Mounting plate; 4. Bristles; 5. Threaded hole; 6. Bottom plate; 7. Bottom bristles; 8. First threaded rod; 9. Protective pad; 10. Second threaded rod; 11. Rubber sleeve; 12. Bump. DETAILED DESCRIPTION

[0018] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0019] like Figures 1 to 3 As shown, embodiment 1 of the present invention is a test tube brush, comprising a handle 1 and a fixed column 2, a plurality of fixing grooves are provided in a ring shape on the surface of the fixed column 2, a plurality of mounting plates 3 adapted to the fixing grooves are provided on the outer surface of the fixed column 2, a plurality of bristles 4 are fixedly installed on the surface of the mounting plate 3 away from the fixed column 2, a plurality of threaded holes 5 are provided on the surface of the mounting plate 3, and the bristles 4 can be removably installed inside the fixing grooves through the plurality of threaded holes 5; a bottom plate 6 is provided under the fixed column 2, a plurality of bottom bristles 7 are fixedly installed on the lower surface of the bottom plate 6, a first threaded rod 8 is fixedly installed on the upper surface of the bottom plate 6, and a threaded groove adapted to the first threaded rod 8 is provided under the fixed column 2, and the bottom plate 6 is threadedly inserted into the bottom of the fixed column 2 through the first threaded rod 8.

[0020] By detachably mounting the mounting plate 3 on the surface of the fixed column 2, when a piece of the bristles 4 is damaged, it is only necessary to easily remove and replace the damaged mounting plate 3. At the same time, when the bottom bristles under the bottom plate 6 are damaged, the bottom plate 6 can be removed from the fixed column 2 by rotating it, so that the bottom bristles 7 can be replaced; when the bottom bristles 7 or the bristles 4 are damaged, there is no need to replace the test tube brush as a whole, which reduces unnecessary waste of resources and saves a lot of expenses for the daily operation of the laboratory.

[0021] Example 2 of the present invention is a test tube brush. Based on Example 1, a protective pad 9 is fixedly installed on the side wall of the bottom plate 6.

[0022] When the device is used to clean the bottom of a test tube, the protective pad 9 can effectively reduce direct contact between the bottom plate 6 and the bottom of the test tube, thereby preventing the bottom of the test tube from being damaged due to friction.

[0023] Example 3 of the present invention is a test tube brush. Based on Example 1 or 2, a second threaded rod 10 is fixedly installed on the top of the fixed column 2, and the handle 1 is threadedly sleeved on the surface of the second threaded rod 10.

[0024] This design allows for quick disassembly and installation via a threaded connection between the handle 1 and the fixing post 2. When the bristles are severely worn and need to be replaced, the user only needs to unscrew the fixing post 2 from the handle 1 and replace it with a new one, without having to replace the entire test tube brush. This significantly saves costs.

[0025] Example 4 of the present invention is a test tube brush. Based on Example 3, a rubber sleeve 11 is fixedly sleeved on the surface of the handle 1 on the side away from the second threaded rod 10.

[0026] The rubber material is soft and has a certain degree of elasticity. It can fit the contours of the hand, reduce the discomfort of direct contact between the hand and hard plastic, and improve the comfort of holding.

[0027] Embodiment 5 of the present invention is a test tube brush. Based on embodiment 4, a plurality of protrusions 12 are fixedly mounted on the surface of the rubber sleeve 11 .

[0028] The design of the raised points 12 increases the roughness of the surface of the rubber cover 11, allowing the hand to fit more closely on the rubber cover 11 when holding it, maintaining good anti-slip performance even in a wet and slippery environment, and reducing the risk of the handle 1 slipping due to hand sliding.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A test tube brush, characterized in that: The utility model comprises a handle (1) and a fixing column (2) arranged on the handle (1), wherein the surface of the fixing column (2) is provided with a plurality of fixing grooves in an annular manner, and the outer surface of the fixing column (2) is provided with a plurality of mounting plates (3) adapted to the fixing grooves, and a brush (4) is fixedly mounted on the surface of the mounting plate (3) on the side facing away from the fixing column (2), and a plurality of threaded holes (5) are provided on the surface of the mounting plate (3), and the brush can be detachably mounted inside the fixing groove through the plurality of threaded holes (5); and further comprises a bottom plate (6), wherein a plurality of bottom bristles (7) are fixedly mounted on the lower surface of the bottom plate (6), a first threaded rod (8) is fixedly mounted on the upper surface of the bottom plate (6), and a threaded groove adapted to the first threaded rod (8) is provided below the fixing column (2), and the bottom plate (6) is threadedly plugged into the bottom of the fixing column (2) through the first threaded rod (8).

2. A test tube brush according to claim 1, characterized in that: A protective pad (9) is fixedly mounted on the side wall of the bottom plate (6).

3. A test tube brush according to claim 1, characterized in that: A second threaded rod (10) is fixedly mounted on the top of the fixing column (2), and the handle (1) is threadedly sleeved on the surface of the second threaded rod (10).

4. A test tube brush according to claim 3, characterized in that: A rubber sleeve (11) is fixedly sleeved on a surface of one side of the handle (1) away from the second threaded rod (10).

5. A test tube brush according to claim 4, characterized in that: A plurality of convex points (12) are fixedly mounted on the surface of the rubber sleeve (11).

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