Chemical experiment test tube scrubbing device

Abstract

The utility model belongs to the technical field of test tube scrubbing, and particularly relates to a chemical experiment test tube scrubbing device which comprises a water tank, and a pair of guide rails are fixedly connected to the upper surface of the water tank. A test tube to be cleaned is inserted into a lower insertion cylinder with an opening downward, two handles are held to compress a spring, an adjusting block is inserted into a guide rail, an adjusting hole in a proper position is selected, the handles are loosened, the spring extends to drive a sliding block to slide in a sliding groove, a sliding rod is inserted into the adjusting hole, and the top of the test tube is limited through an upper insertion cylinder. The submersible pump is started to pump water in the water tank, water is supplied into the hollow rod through the water supply hose and is discharged through the water outlet when reaching the top, the electric push rod is started to drive the lifting frame to move up and down in a reciprocating mode, the brush can clean the inner wall of the test tube, and generated sewage falls into the lifting frame through gravity and is discharged through the drainage hose. The test tubes are automatically cleaned, time and labor are saved, the cleaning effect is good, the next experiment is not prone to being affected, and the test tube cleaning device can adapt to test tubes of different length specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of test tube washing, in particular to a chemical experiment test tube washing device. Background Art

[0002] Test tubes are commonly used instruments in chemical laboratories. They are used as reaction containers for small amounts of reagents. They are used at room temperature or when heated (they should be preheated before heating, otherwise the test tubes are prone to bursting). Test tubes are divided into ordinary test tubes, supported test tubes, and centrifugal test tubes.

[0003] After the chemical experiment is finished, the staff or teachers need to clean the test tubes. Due to the small diameter of the test tubes, it is not convenient to brush and clean them, which takes a lot of time and is not clean, resulting in errors in the next experiment. In addition, due to the different specifications of the test tubes in the experiment, it is troublesome to fix the test tubes. Therefore, a chemical experiment test tube brushing device is proposed. Utility Model Content

[0004] The utility model aims to provide a chemical experiment test tube scrubbing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a chemical experiment test tube brushing device comprises a water tank, the upper surface of the water tank is fixedly connected with a pair of guide rails, the lower side of the inner side wall of the guide rails is slidably connected with a lifting frame, the inner side wall of the lifting frame is connected with a uniformly distributed hollow rod, the outer side wall of the hollow rod is provided with a brush, the upper end of the hollow rod is opened with a uniformly distributed water outlet hole, the outer side of the hollow rod is provided with a lower plug cylinder, the lower surface of the lower plug cylinder is fixedly connected with a fixing plate, the outer side wall of the fixing plate is fixedly connected to the inner side wall of the guide rail, the front surface of the lifting frame is fixedly connected with a connecting plate, an electric push rod is installed on the front surface of the water tank, the output end of the electric push rod is fixedly connected to the lower surface of the connecting plate, the upper side of the inner side wall of the guide rail is slidably connected with an adjusting plate, the inner side wall of the adjusting plate is fixedly connected with a uniformly distributed upper plug cylinder, and the lower end of the hollow rod is connected with a water supply hose.

[0006] As a further preferred embodiment of the technical solution: a drain hose is connected to the lower surface of the lifting frame, and one end of the drain hose away from the lifting frame is connected to the left side wall of the water tank.

[0007] As a further preferred embodiment of the present technical solution: a submersible pump is installed on the inner wall of the water tank, and a water pumping end of the submersible pump is connected to a water pumping pipe.

[0008] As a further preferred embodiment of the present technical solution: an adjustment block is slidably connected to the upper side of the inner wall of the guide rail, the outer wall of the adjustment block is fixedly connected to the outer wall of the adjustment plate, the inner wall of the guide rail is provided with evenly distributed adjustment holes, the inner wall of the adjustment block is slidably connected to a pair of sliding rods, and the outer walls of the sliding rods are inserted into the inner walls of the adjustment holes.

[0009] As a further preferred embodiment of the present technical solution: a sliding groove is provided on the inner wall of the adjustment block, a pair of sliders are slidably connected to the inner wall of the sliding groove, a spring is fixedly connected between adjacent sides of the pair of sliders, and the outer wall of the slider is fixedly connected to an end of the slide rod away from the adjustment hole.

[0010] As a further preferred embodiment of the technical solution: a handle is fixedly connected to the upper surface of each of the two laterally opposite sliding blocks.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model is used, the opening of the test tube to be cleaned is inserted downward into the lower insert cylinder, the two handles are held to compress the spring, the adjusting block is inserted into the guide rail, the adjusting hole at the appropriate position is selected, the handle is released, the spring is extended to drive the slider to slide in the slide groove, the slide rod is inserted into the adjusting hole, the top of the test tube is limited by the upper insert cylinder, the submersible pump is started to extract water from the water tank, the water is supplied to the hollow rod through the water supply hose, and the water is discharged through the water outlet when the water reaches the top, the electric push rod is started to drive the lifting frame to move up and down reciprocatingly, so that the brush can clean the inner wall of the test tube, and the generated sewage falls into the lifting frame through gravity and is discharged through the drainage hose, which can automatically clean the test tube, save time and labor, have a good cleaning effect, and is not easy to affect the next experiment. Moreover, it can adapt to test tubes of different lengths and specifications and is easy to fix. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the lifting frame, the water supply hose and the drainage hose in the utility model;

[0015] Figure 3 It is a structural schematic diagram of the hollow rod and the water outlet of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the fixing plate and the lower inserting tube in the utility model;

[0017] Figure 5 It is a structural schematic diagram of the slide groove, the slider and the spring in the utility model.

[0018] In the figure: 1. water tank; 2. guide rail; 3. lifting frame; 4. hollow rod; 5. brush; 6. water outlet; 7. lower plug-in tube; 8. fixing plate; 9. connecting plate; 10. electric push rod; 11. adjustment plate; 12. upper plug-in tube; 13. water supply hose; 14. drainage hose; 15. submersible pump; 16. suction pipe; 17. adjustment block; 18. adjustment hole; 19. slide rod; 20. slide groove; 21. slider; 22. spring; 23. handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0021] See also Figure 1-5The utility model provides a technical solution: a chemical experiment test tube scrubbing device, comprising a water tank 1, a pair of guide rails 2 are fixedly connected to the upper surface of the water tank 1, a lifting frame 3 is slidably connected to the lower side of the inner wall of the guide rail 2, the inner wall of the lifting frame 3 is connected to a uniformly distributed hollow rod 4, the outer wall of the hollow rod 4 is provided with a brush 5, the upper end of the hollow rod 4 is provided with a uniformly distributed water outlet 6, a lower plug-in tube 7 is provided on the outer side of the hollow rod 4, a fixing plate 8 is fixedly connected to the lower surface of the fixing plate 8, the outer wall of the fixing plate 8 is fixedly connected to the inner wall of the guide rail 2, a connecting plate 9 is fixedly connected to the front surface of the lifting frame 3, an electric push rod 10 is installed on the front surface of the water tank 1, the output end of the electric push rod 10 is fixedly connected to the lower surface of the connecting plate 9, an adjusting plate 11 is slidably connected to the upper side of the inner wall of the guide rail 2, and the inner wall of the adjusting plate 11 is fixedly connected to the uniformly distributed upper plug-in tube 12, The lower end of the hollow rod 4 is connected to a water supply hose 13; when in use, the test tube to be cleaned is opened downward and inserted into the lower insert tube 7. The lower opening of the test tube is supported by the fixing plate 8. At this time, the brush 5 on the inner wall of the test tube is bent. According to the length of the test tube, it is adjusted to a suitable position by the adjusting plate 11. At this time, the top of the test tube is limited by the upper insert tube 12, and water is supplied to the hollow rod 4 through the water supply hose 13. When it reaches the top, it is discharged through the water outlet 6. At the same time, the electric push rod 10 is started to drive the connecting plate 9, so that the lifting frame 3 drives multiple hollow rods 4 to move up and down, so that the brush 5 can clean the inner wall of the test tube, and the generated sewage falls into the lifting frame 3 by gravity, forming a chemical experiment test tube brushing device, which can automatically clean the test tube, save time and effort, have a good cleaning effect, and is not easy to affect the next experiment. It can adapt to test tubes of different lengths and specifications and is easy to fix.

[0022] In this embodiment, specifically: the lower surface of the lifting frame 3 is connected with a drainage hose 14 , and one end of the drainage hose 14 away from the lifting frame 3 is connected to the left side wall of the water tank 1 ; the drainage hose 14 discharges the sewage in the lifting frame 3 .

[0023] In this embodiment, specifically: a submersible pump 15 is installed on the inner wall of the water tank 1, and the pumping end of the submersible pump 15 is connected to a pumping pipe 16; the submersible pump 15 is started to pump out the cleaning water in the water tank 1 through the pumping pipe 16 to supply water to the hollow rod 4.

[0024] In this embodiment, specifically: an adjustment block 17 is slidably connected to the upper side of the inner wall of the guide rail 2, the outer wall of the adjustment block 17 is fixedly connected to the outer wall of the adjustment plate 11, the inner wall of the guide rail 2 is provided with evenly distributed adjustment holes 18, and the inner wall of the adjustment block 17 is slidably connected to a pair of slide bars 19, and the outer walls of the slide bars 19 are inserted into the inner walls of the adjustment holes 18; the adjustment block 17 can slide stably in the guide rail 2, and the slide bar 19 is inserted into the adjustment hole 18, so as to fix the position of the adjustment plate 11, which is convenient for limiting the top of the test tube.

[0025] In this embodiment, specifically: a slide groove 20 is provided on the inner wall of the adjustment block 17, and a pair of sliders 21 are slidably connected to the inner wall of the slide groove 20, and a spring 22 is fixedly connected between the adjacent sides of the pair of sliders 21, and the outer wall of the slider 21 is fixedly connected to the end of the slide rod 19 away from the adjustment hole 18; the sliders 21 approach each other along the inner wall of the slide groove 20, driving the slide rod 19 to be pulled out of the adjustment hole 18, and the lock can be released.

[0026] In this embodiment, specifically: a handle 23 is fixedly connected to the upper surface of each of the two laterally opposite sliding blocks 21; the handle 23 is convenient for the user to hold and adjust.

[0027] The working principle of the utility model is as follows: when in use, the test tube to be cleaned is opened downward and inserted into the lower insert tube 7, and the lower opening of the test tube is supported by the fixing plate 8. At this time, the brush 5 on the inner wall of the test tube is bent. According to the length of the test tube, the user holds the two handles 23, and the spring 22 is compressed. The adjustment block 17 is inserted into the guide rail 2, and the adjustment hole 18 at a suitable position is selected. The handle 23 is released, and the spring 22 is extended to drive the two sliders 21 to slide in the slide groove 20, so that the slide bar 19 is inserted into the adjustment hole 18. At this time, the top of the test tube is limited by the upper insert tube 12. , start the submersible pump 15 to extract the cleaning water in the water tank 1, supply water to the hollow rod 4 through the water supply hose 13, and discharge it through the water outlet 6 when it reaches the top. At the same time, start the electric push rod 10 to drive the connecting plate 9, so that the lifting frame 3 drives the multiple hollow rods 4 to move up and down, so that the brush 5 can clean the inner wall of the test tube, and the generated sewage falls into the lifting frame 3 through gravity, forming a chemical experiment test tube brushing device, which can automatically clean the test tube, save time and effort, have a good cleaning effect, and is not easy to affect the next experiment. It can adapt to test tubes of different lengths and specifications and is easy to fix.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical experiment test tube scrubbing device, comprising a water tank (1), characterized in that: A pair of guide rails (2) are fixedly connected to the upper surface of the water tank (1); a lifting frame (3) is slidably connected to the lower side of the inner wall of the guide rail (2); the inner wall of the lifting frame (3) is connected to evenly distributed hollow rods (4); brushes (5) are provided on the outer wall of the hollow rod (4); evenly distributed water outlet holes (6) are opened at the upper end of the hollow rod (4); a lower insert tube (7) is fixedly connected to the lower surface of the lower insert tube (7); the outer side of the fixing plate (8) is The wall is fixedly connected to the inner wall of the guide rail (2), the front surface of the lifting frame (3) is fixedly connected to a connecting plate (9), the front surface of the water tank (1) is installed with an electric push rod (10), the output end of the electric push rod (10) is fixedly connected to the lower surface of the connecting plate (9), the upper side of the inner wall of the guide rail (2) is slidably connected to an adjustment plate (11), the inner wall of the adjustment plate (11) is fixedly connected to evenly distributed upper plug cylinders (12), and the lower end of the hollow rod (4) is connected to a water supply hose (13).

2. A chemical experiment test tube scrubbing device according to claim 1, characterized in that: The lower surface of the lifting frame (3) is connected to a drainage hose (14), and one end of the drainage hose (14) away from the lifting frame (3) is connected to the left side wall of the water tank (1).

3. A chemical experiment test tube scrubbing device according to claim 1, characterized in that: A submersible pump (15) is installed on the inner wall of the water tank (1), and a water pumping end of the submersible pump (15) is connected to a water pumping pipe (16).

4. A chemical experiment test tube scrubbing device according to claim 1, characterized in that: An adjusting block (17) is slidably connected to the upper side of the inner wall of the guide rail (2); the outer wall of the adjusting block (17) is fixedly connected to the outer wall of the adjusting plate (11); the inner wall of the guide rail (2) is provided with evenly distributed adjusting holes (18); the inner wall of the adjusting block (17) is slidably connected to a pair of sliding rods (19); the outer walls of the sliding rods (19) are inserted into the inner walls of the adjusting holes (18).

5. A chemical experiment test tube scrubbing device according to claim 4, characterized in that: The inner wall of the adjustment block (17) is provided with a slide groove (20), the inner wall of the slide groove (20) is slidably connected to a pair of sliders (21), a spring (22) is fixedly connected between adjacent sides of the pair of sliders (21), and the outer wall of the slider (21) is fixedly connected to an end of the slide rod (19) away from the adjustment hole (18).

6. A chemical experiment test tube scrubbing device according to claim 5, characterized in that: A handle (23) is fixedly connected to the upper surfaces of each of the two laterally opposite sliding blocks (21).

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