Organic chemical test tube cleaning device

Abstract

The organic chemical test tube cleaning device comprises a box body, a test tube fixing device, a rotary telescopic fixing device, a flushing device, a brushing device and a heating device, a test tube is fixed through the test tube fixing device, the test tube is flushed, brushed and dried through the rotary telescopic fixing device, the flushing device, the brushing device and the drying device, multiple flushing times, flushing time, brushing times and brushing time can be set through setting of a control panel, the test tube is repeatedly flushed and brushed, and the test tube cleaning efficiency is improved. The test tube cleaning quality is ensured; according to the test tube cleaning device, the test tubes are automatically washed, brushed and dried, the cleaning efficiency of the test tubes is improved, the test tubes can be repeatedly washed and brushed, and the cleaning quality of the test tubes is improved.

Description

Technical Field

[0001] This utility model relates to the field of experimental equipment, specifically an organic chemical test tube cleaning device. Background Technology

[0002] Test tubes are an indispensable experimental tool in organic chemistry experiments. They can be directly heated and used as reaction vessels for small amounts of reagents.

[0003] After use, test tubes are usually cleaned in batches using a test tube cleaning device. Chinese utility model patent CN211990112U discloses a test tube cleaning device for organic chemistry experiments, including a box and a fixed plate. The box is divided into a brushing chamber and a rinsing chamber. The fixed plate has a fixing hole. A permeable plate is provided on the bottom surface of the brushing chamber and the rinsing chamber. A permeable hole is provided on the wall of the box below the permeable plate. A fixed plate with mutual parallels is provided on one side of the brushing chamber. A groove is provided on the opposite side of the fixed plate along its longitudinal direction. The fixed plate is slidably connected to the surface of the groove. A brushing device is provided on the other side of the brushing chamber. A plate with mutual parallels is provided on one side of the rinsing chamber. A slot is opened on the upper opposite side of the plate along its transverse direction. The fixed plate is detachably connected to the slot. A rinsing device is provided on the other side of the rinsing chamber. One end of the rinsing device passes through the lower part of the plate and is located between the plates.

[0004] However, the device requires manual placement of the test tubes into the brushing and rinsing chambers, which is inconvenient and affects the cleaning efficiency of the test tubes.

[0005] Therefore, a microbial culture device for bioengineering is needed to solve the above problems. Utility Model Content

[0006] In order to solve the problems existing in the background art, the present invention proposes the following technical solution:

[0007] An organic chemical test tube cleaning device includes a box, a test tube fixing device, a rotating telescopic fixing device, a rinsing device, a cleaning device, and a heating device;

[0008] The test tube is installed inside the test tube box, which is then inserted into the test tube box clamp for fixation. The second electric telescopic rod moves the test tube into or out of the rinsing chamber, allowing the rinsing head to enter the test tube. The water supply tank delivers cleaning solution through a water pipe into the spray pipe of the rinsing head, from which it is sprayed out. The rotary motor rotates the test tube, and the second electric telescopic rod moves the test tube into or out of the cleaning chamber, allowing the brush head to enter the test tube. The first electric telescopic rod aligns the test tube with the heating device.

[0009] In some embodiments of this utility model, the organic chemical test tube cleaning device is connected to an external power source, and the external power source supplies power to the electrical device.

[0010] In some embodiments of this utility model, the door panel is hinged to the box body, the door lock and control panel are fixedly mounted on the door panel, and the door lock is provided with a handle;

[0011] The control panel is electrically connected to the rotating telescopic fixing device, the rinsing device, the cleaning device, and the heating device. The control panel is equipped with a display screen and control buttons.

[0012] In some embodiments of this utility model, the top of the test tube box is provided with a through hole, the inside of the through hole is provided with a rubber ring, and a buffer pad is fixedly provided at the bottom of the test tube box; the buffer pad is a soft silicone pad, and the upper end of the buffer pad is provided with a positioning groove; the test tube passes through the through hole of the test tube box and is fixed in the test tube box by the rubber ring inside the through hole and the positioning groove of the buffer pad.

[0013] In some embodiments of this utility model, the rotary motor is fixedly located at the top center of the housing, and the output shaft of the rotary motor is fixedly connected to the electric telescopic rod.

[0014] The electric telescopic rod one is fixedly connected to the output shaft of the rotary motor, and the bottom rod of the electric telescopic rod one is fixedly provided with the electric telescopic rod two;

[0015] The electric telescopic rod 2 is set perpendicular to the electric telescopic rod 1. One end of the electric telescopic rod 2 is fixedly connected to the electric telescopic rod 1, and the other end is fixedly connected to the test tube box clamp.

[0016] One end of the test tube box holder is provided with a baffle, and the upper and lower ends of the test tube box holder are provided with protrusions. The protrusions, the test tube box holder, and the baffle form a groove, and the shape and size of the groove correspond to the test tube box.

[0017] In some embodiments of this utility model, the partition is located on the left side of the box body, the partition and the permeable plate are fixedly connected, the partition and the permeable plate divide the internal space of the box body into a rinsing chamber, a water collection chamber and a water supply chamber from top to bottom, the base, the rinsing head and the fixed seat are installed in the rinsing chamber, the water collection tank is slidably installed in the water collection chamber and the water supply tank is slidably installed in the water supply chamber;

[0018] The partition is provided with a through hole at the position corresponding to the rinsing chamber, and the shape and size of the through hole correspond to the test tube box holder.

[0019] The base is fixed to the left end of the box by a fixing seat, and the position, shape and size of the base correspond to the through hole.

[0020] The rinsing head is fixedly connected to the fixed base. The rinsing head is equipped with a water spray pipe and a nozzle inside. The water spray pipe is connected to a water pipe. The nozzles are arranged in a ring array on the rinsing head. The top of the rinsing head is also equipped with a nozzle, which is connected to the water spray pipe. The number and position of the rinsing heads correspond to the test tubes. The rinsing heads can extend into the test tubes.

[0021] The water pipe passes through the tank body and connects to the outlet of the water supply tank. The water supply tank is slidably installed in the water supply chamber. A water pump is installed inside the water supply tank, and the outlet of the water pump is connected to the water pipe. A handle is provided at the front end of the water supply tank, which can be pulled out to add cleaning fluid.

[0022] The bottom of the permeable plate is provided with a through hole, and the cleaning fluid sprayed from the flushing head in the flushing chamber flows into the water collection chamber through the permeable plate.

[0023] The water collection tank is slidably installed inside the water collection cavity. The top of the water collection tank is provided with a water inlet, and the front end of the water collection tank is provided with a handle.

[0024] In some embodiments of this utility model, the second partition is located on the right side of the box body, and the second partition divides the box body into a cleaning chamber. The second base, the brush head and the connecting shaft are located inside the cleaning chamber.

[0025] The partition plate 2 is provided with a through hole 2 at the position corresponding to the cleaning chamber, and the shape and size of the through hole 2 correspond to the test tube box holder;

[0026] The second base is fixed to the right end of the box by a fixing seat, and the position, shape and size of the second base correspond to the second through hole;

[0027] The base 2 is equipped with a rotary motor. The output shaft of the rotary motor is connected to one end of the connecting shaft, and the other end of the connecting shaft is fixedly connected to the brush head.

[0028] The brush head is fixedly connected to the connecting shaft, and the brush head is provided with soft bristles; the number and position of the brush heads correspond to the test tubes, and the brush heads can extend into the test tubes.

[0029] In some embodiments of this utility model, the heating device is fixedly installed inside the right end of the box, below the cleaning chamber; a heating rod is installed inside the heating device.

[0030] The advantages of this utility model compared with the prior art are as follows:

[0031] This utility model discloses an organic chemical test tube cleaning device, comprising a housing, a test tube fixing device, a rotating and telescopic fixing device, a rinsing device, a cleaning device, and a heating device. The test tubes are fixed by the fixing device, and the rotating and telescopic fixing device, rinsing device, cleaning device, and drying device rinse, clean, and dry the test tubes. The control panel allows for setting multiple rinsing cycles, rinsing times, cleaning cycles, and cleaning times to repeatedly rinse and clean the test tubes, ensuring the cleaning quality. This application automates the entire process from rinsing to cleaning and drying, improving cleaning efficiency and enhancing the cleaning quality through repeated rinsing and cleaning. Attached Figure Description

[0032] Figure 1 This is a front view of an organic chemical test tube cleaning device according to this utility model;

[0033] Figure 2 This is a front view of the internal structure of an organic chemical test tube cleaning device according to this utility model. Figure 1 ;

[0034] Figure 3 This is a front view of the internal structure of an organic chemical test tube cleaning device according to this utility model. Figure 2 ;

[0035] Figure 4 This is a structural diagram of the internal structure of an organic chemical test tube cleaning device according to this utility model;

[0036] Figure 5 This is a cross-sectional view of a test tube box of an organic chemical test tube cleaning device according to this utility model;

[0037] Figure 6 This is a structural diagram of a test tube box clamp of an organic chemical test tube cleaning device according to this utility model;

[0038] An organic chemical test tube cleaning device 100;

[0039] Box 1;

[0040] 11. Door panel; 12. Door lock; 13. Control panel;

[0041] Test tube fixing device 2;

[0042] Test tube box 21; buffer pad 211; test tube 22;

[0043] Rotary telescopic fixing device 3;

[0044] Rotary motor 31; Electric telescopic rod one 32; Electric telescopic rod two 33; Test tube box holder 34; Boss 341; Baffle 342

[0045] Flushing device 4;

[0046] 41. Base 1; 42. Flushing head; 43. Fixing base; 44. Water pipe; 45. Permeable plate; 46. Water collection tank; 47. Water supply tank; 48. Partition 1; 481. Through hole 1;

[0047] Cleaning device 5;

[0048] Base 2 51; Brush head 52; Connecting shaft 53; Partition 2 54; Through hole 2 541;

[0049] Heating device 6; Detailed Implementation

[0050] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0051] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0052] In some embodiments of this utility model, such as Figure 1-6 As shown, an organic chemical test tube cleaning device 100 includes a box body 1, a test tube fixing device 2, a rotating telescopic fixing device 3, a rinsing device 4, a cleaning device 5, and a heating device 6.

[0053] An organic chemical test tube cleaning device 100 is connected to an external power source, which supplies power to the device.

[0054] In some embodiments of this utility model, such as Figure 1 As shown, the housing 1 includes a door panel 11, a door lock 12, and a control panel 13;

[0055] The door panel 11 is hinged to the housing 1, and the door lock 12 and control panel 13 are fixedly mounted on the door panel 11. The door lock 12 is used to lock the door panel 11 and is equipped with a handle. The control panel 13 is electrically connected to the rotating telescopic fixing device 3, the rinsing device 4, the cleaning device 5, and the heating device 6. The control panel 13 is equipped with a display screen and control buttons. The display screen is used to display the set rinsing time, cleaning time, and drying time, and the control buttons are used to adjust the duration of the rinsing time, cleaning time, and drying time.

[0056] In some embodiments of this utility model, such as Figure 2 and Figure 5 As shown, the test tube fixing device 2 includes a test tube box 21, a buffer pad 211, and test tubes 22;

[0057] The test tube box 21 has a through hole at the top and a rubber ring inside the through hole for fixing the test tubes. A buffer pad 211 is fixed inside the bottom of the test tube box 21. The buffer pad 211 is a soft silicone pad and has a positioning groove at the top for placing the test tubes. The test tubes 21 pass through the through hole of the test tube box 21 and are fixed inside the test tube box 21 by the rubber ring inside the through hole and the positioning groove of the buffer pad 211.

[0058] In some embodiments of this utility model, such as Figure 2 and Figure 6 As shown, the rotating telescopic fixing device 3 includes a rotating motor 31, an electric telescopic rod 32, an electric telescopic rod 33, a test tube box clamp 34, a boss 341, and a baffle 342.

[0059] The rotary motor 31 is fixedly located at the top center of the housing 1, and the output shaft of the rotary motor 31 is fixedly connected to the electric telescopic rod 32.

[0060] The electric telescopic rod 32 is fixedly connected to the output shaft of the rotary motor 31, and the bottom of the electric telescopic rod 32 is fixedly provided with the electric telescopic rod 33.

[0061] The electric telescopic rod 2 33 is set perpendicularly to the electric telescopic rod 1 32. One end of the electric telescopic rod 2 33 is fixedly connected to the electric telescopic rod 1 32, and the other end is fixedly connected to the test tube box clamp 34.

[0062] Specifically, such as Figure 6 As shown, one end of the test tube box holder 34 is provided with a baffle 342, and the upper and lower ends of the test tube box holder 34 are provided with protrusions 341. The protrusions 341, the test tube box holder 34 and the baffle 342 form a groove. The shape and size of the groove correspond to the test tube box 21. Thus, the test tube box 21 can be inserted into the test tube box holder 34 and fixed.

[0063] In some embodiments of this utility model, such as Figure 3-4 As shown, the flushing device 4 includes a base 41, a flushing head 42, a fixed seat 43, a water pipe 44, a permeable plate 45, a water collection tank 46, a water supply tank 47, a partition 48, and a through hole 481.

[0064] The partition 48 is located on the left side of the box 1. The partition 48 and the permeable plate 45 are fixedly connected. The partition 48 and the permeable plate 45 divide the internal space of the box 1 from top to bottom into a rinsing chamber, a water collection chamber and a water supply chamber. The base 41, the rinsing head 42 and the fixing seat 43 are installed in the rinsing chamber. The water collection tank 46 is slidably installed in the water collection chamber and the water supply tank 47 is slidably installed in the water supply chamber.

[0065] The partition 48 is provided with a through hole 481 at the position corresponding to the rinsing chamber. The shape and size of the through hole 481 correspond to the test tube box holder 34, so that the test tube box holder 34 can enter the rinsing chamber through the through hole 481.

[0066] The base 41 is fixed to the left end of the housing 11 by the fixing seat 43. The position, shape and size of the base 41 correspond to the through hole 481.

[0067] The rinsing head 42 is fixedly connected to the fixed base 43. The rinsing head 42 is provided with a water spray pipe and a nozzle inside. The water spray pipe is connected to the water pipe 44. The nozzles are arranged in a ring array on the rinsing head 42. The top of the head of the rinsing head 42 is also provided with a nozzle, which is connected to the water spray pipe. The number and position of the rinsing heads 42 correspond to the test tube 22. The rinsing heads 42 can extend into the test tube 22.

[0068] The water pipe 44 passes through the housing 1 and connects to the outlet of the water supply tank 47. The water supply tank 47 is slidably installed in the water supply chamber. A water pump is installed inside the water supply tank 47, and the outlet of the water pump is connected to the water pipe 44. Thus, the cleaning solution inside the water supply tank 47 enters the spray pipe of the rinsing head 42 through the water pipe 44 and is sprayed out from the spray head. A handle is provided at the front end of the water supply tank 47, which can be pulled out to add cleaning solution.

[0069] The bottom of the permeable plate 45 is provided with a through hole, and the flushing head 42 in the flushing chamber sprays out the cleaning liquid through the permeable plate into the water collection chamber.

[0070] The water collection tank 46 is slidably installed in the water collection chamber. The top of the water collection tank 46 is provided with a water inlet for collecting the cleaning liquid flowing out of the rinsing chamber. The front end of the water collection tank 46 is provided with a handle, which can be pulled out to drain water after the water collection tank 46 is full.

[0071] In some embodiments of this utility model, such as Figure 3-4 As shown, the cleaning device 5 includes a base 51, a brush head 52, a connecting shaft 53, a partition 54, and a through hole 541.

[0072] The second partition 54 is located on the right side of the housing 11, and the second partition 54 divides the housing 1 into a cleaning chamber. The second base 51, the brush head 52 and the connecting shaft 53 are located inside the cleaning chamber.

[0073] The partition 2 54 is provided with a through hole 2 541 at the position corresponding to the cleaning chamber. The shape and size of the through hole 2 541 correspond to the test tube box holder 34, so that the test tube box holder 34 can enter the rinsing chamber through the through hole 2 541.

[0074] The second base 51 is fixed to the right end of the housing 11 by a fixing seat. The position, shape and size of the second base 51 correspond to the second through hole 541.

[0075] The base 51 is equipped with a rotary motor. The output shaft of the rotary motor is connected to one end of the connecting shaft 53, and the other end of the connecting shaft 53 is fixedly connected to the brush head 52.

[0076] The brush head 52 is fixedly connected to the connecting shaft 53, and the brush head 52 is provided with soft bristles; the number and position of the brush heads 52 correspond to the test tube 22, and the brush head 52 can extend into the test tube 22.

[0077] In some embodiments of this utility model, such as Figure 3 As shown, the heating device 6 is fixedly installed inside the right end of the box 1, below the cleaning chamber. The heating device 6 is equipped with a heating rod, which can dry the remaining cleaning liquid in the test tube 22 after being heated by electricity.

[0078] In use, an organic chemical test tube cleaning device 100 involves installing test tubes 22 inside a test tube box 21, with a buffer pad 211 supporting the bottom of the test tubes 22 to prevent damage during cleaning. The test tube box 21 is then inserted into the test tube box holder 34 and secured. The door panel 11 is closed. The control panel 13 is used to set the rinsing time, number of rinsing cycles, cleaning time, number of cleaning cycles, and drying time for the test tubes 22. For example, rinsing once, cleaning once, each cycle lasting 2 minutes, and drying time also lasting 2 minutes are set on the control panel 13. The rotating motor 31 rotates, aligning the test tube box holder 34 with the through hole 481. The electric telescopic rod 33 extends, pulling the test tubes 22 into the rinsing chamber. The rinsing head 42 enters the test tubes 22, and the water pump in the water supply tank 47 starts, pumping cleaning solution through the water pipe 44 into the spray pipe of the rinsing head 42, spraying it out to thoroughly rinse the inside of the test tubes 22. After 2 minutes, the rinsing time is up, and the electric telescopic rod 33 retracts. The test tube 22 is removed from the rinsing chamber. The rotary motor 31 rotates, causing the test tube 22 to rotate horizontally by 180°. The test tube holder 34 is aligned with the through hole 541. The electric telescopic rod 33 extends, driving the test tube 22 into the cleaning chamber. The rotary motor inside the base 51 starts to rotate, driving the brush head 52 to rotate. The soft bristles clean the inside of the test tube 22. After 2 minutes, the brushing time is up. The electric telescopic rod 33 retracts, driving the test tube 22 out of the cleaning chamber. The electric telescopic rod 32 extends downward, driving the test tube 22 to be aligned with the heating device 6 for drying. After 2 minutes, drying is complete. The rotary motor 31 rotates, causing the test tube 22 to rotate horizontally by 90°. At this time, the door panel 11 is opened, and the test tube 22 along with the test tube holder 21 can be taken out. For test tubes 22 that are difficult to clean, multiple rinsing times, rinsing times, and cleaning times can be set. The above steps can be repeated to repeatedly rinse and clean the test tube 22, ensuring the cleaning quality of the test tube 22.

[0079] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. An organic chemical test tube cleaning device, characterized in that: It includes a box body, a test tube fixing device, a rotating telescopic fixing device, a rinsing device, a cleaning device, and a heating device. The rotating telescopic fixing device includes a rotating motor, an electric telescopic rod one, and an electric telescopic rod two. The rinsing device includes a rinsing head and a water supply tank. The cleaning device includes a brush head. The test tube is installed inside the test tube box, which is then inserted into the test tube box clamp for fixation. The second electric telescopic rod moves the test tube into or out of the rinsing chamber, allowing the rinsing head to enter the test tube. The water supply tank delivers cleaning solution through a water pipe into the spray pipe of the rinsing head, from which it is sprayed out. The rotary motor rotates the test tube, and the second electric telescopic rod moves the test tube into or out of the cleaning chamber, allowing the brush head to enter the test tube. The first electric telescopic rod aligns the test tube with the heating device.

2. The organic chemical test tube cleaning device according to claim 1, characterized in that: The organic chemical test tube cleaning device is connected to an external power source, which supplies power to the device.

3. The organic chemical test tube cleaning device according to claim 1, characterized in that: The enclosure includes a door panel and a door lock. The door panel is hinged to the enclosure. The door lock and control panel are fixedly mounted on the door panel. The door lock is equipped with a handle. The control panel is electrically connected to the rotating telescopic fixing device, the rinsing device, the cleaning device, and the heating device. The control panel is equipped with a display screen and control buttons.

4. The organic chemical test tube cleaning device according to claim 1, characterized in that: The test tube box has a through hole at the top, a rubber ring inside the through hole, and a cushioning pad fixed at the bottom inside the test tube box. The cushioning pad is a soft silicone pad, and a positioning groove is provided at the top of the cushioning pad. The test tube passes through the through hole of the test tube box and is fixed inside the test tube box by the rubber ring inside the through hole and the positioning groove of the cushioning pad.

5. The organic chemical test tube cleaning device according to claim 1, characterized in that: The rotary motor is fixedly located at the top center of the housing, and the output shaft of the rotary motor is fixedly connected to the electric telescopic rod. The electric telescopic rod one is fixedly connected to the output shaft of the rotary motor, and the bottom rod of the electric telescopic rod one is fixedly provided with the electric telescopic rod two; The electric telescopic rod 2 is set perpendicular to the electric telescopic rod 1. One end of the electric telescopic rod 2 is fixedly connected to the electric telescopic rod 1, and the other end is fixedly connected to the test tube box clamp. One end of the test tube box holder is provided with a baffle, and the upper and lower ends of the test tube box holder are provided with protrusions. The protrusions, the test tube box holder, and the baffle form a groove, and the shape and size of the groove correspond to the test tube box.

6. The organic chemical test tube cleaning device according to claim 1, characterized in that: It also includes a partition, a base, and a water collection tank. The partition is located on the left side of the tank body. The partition and the permeable plate are fixedly connected. The partition and the permeable plate divide the internal space of the tank body into a flushing chamber, a water collection chamber, and a water supply chamber from top to bottom. The base, the flushing head, and the fixed seat are installed in the flushing chamber. The water collection tank is slidably installed in the water collection chamber. The water supply tank is slidably installed in the water supply chamber. The partition is provided with a through hole at the position corresponding to the rinsing chamber, and the shape and size of the through hole correspond to the test tube box holder. The base is fixed to the left end of the box by a fixing seat, and the position, shape and size of the base correspond to the through hole. The rinsing head is fixedly connected to the fixed base. The rinsing head is equipped with a water spray pipe and a nozzle inside. The water spray pipe is connected to a water pipe. The nozzles are arranged in a ring array on the rinsing head. The top of the rinsing head is also equipped with a nozzle, which is connected to the water spray pipe. The number and position of the rinsing heads correspond to the test tubes. The rinsing heads can extend into the test tubes. The water pipe passes through the tank body and connects to the outlet of the water supply tank. The water supply tank is slidably installed in the water supply chamber. A water pump is installed inside the water supply tank, and the outlet of the water pump is connected to the water pipe. A handle is provided at the front end of the water supply tank, which can be pulled out to add cleaning fluid. The bottom of the permeable plate is provided with a through hole, and the cleaning fluid sprayed from the flushing head in the flushing chamber flows into the water collection chamber through the permeable plate. The water collection tank is slidably installed inside the water collection cavity. The top of the water collection tank is provided with a water inlet, and the front end of the water collection tank is provided with a handle.

7. The organic chemical test tube cleaning device according to claim 1, characterized in that: It also includes a second partition and a second base. The second partition is located on the right side of the box and divides the box into a cleaning chamber. The second base, the brush head, and the connecting shaft are located inside the cleaning chamber. The partition plate 2 is provided with a through hole 2 at the position corresponding to the cleaning chamber, and the shape and size of the through hole 2 correspond to the test tube box holder; The second base is fixed to the right end of the box by a fixing seat, and the position, shape and size of the second base correspond to the second through hole; The base 2 is equipped with a rotary motor. The output shaft of the rotary motor is connected to one end of the connecting shaft, and the other end of the connecting shaft is fixedly connected to the brush head. The brush head is fixedly connected to the connecting shaft, and the brush head is provided with soft bristles; the number and position of the brush heads correspond to the test tubes, and the brush heads can extend into the test tubes.

8. The organic chemical test tube cleaning device according to claim 1, characterized in that: The heating device is fixedly installed inside the right end of the box, below the cleaning chamber; a heating rod is installed inside the heating device.

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