CN212190487U - Chemistry experiment instrument belt cleaning device - Google Patents
Chemistry experiment instrument belt cleaning device Download PDFInfo
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- CN212190487U CN212190487U CN202020823501.0U CN202020823501U CN212190487U CN 212190487 U CN212190487 U CN 212190487U CN 202020823501 U CN202020823501 U CN 202020823501U CN 212190487 U CN212190487 U CN 212190487U
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Abstract
The utility model relates to a chemistry experiment instrument belt cleaning device, when wasing chemical instrumentation, invert the chemistry experiment container and insert on the tubulose shower nozzle of washing subassembly, water and cleaner are followed the hydrojet mouth blowout at tubulose shower nozzle side and top for the inside attached cleaner of chemistry experiment container makes the spot follow the separation of chemistry experiment container inner wall under the cleaning action of ultrasonic cleaning subassembly, and flows to the discharge bottom the cleaning tank along with the washing liquid under the action of gravity. Chemical experiment container back-off is on the tubulose shower nozzle, can avoid ponding in chemical experiment container in the cleaning process, and can send into inside chemical experiment container with water and cleaner under the effect of tubulose shower nozzle, and wash it with the ultrasonic wave, can effectively improve cleaning quality, ensure the inside sanitization of chemical instrumentation, ultrasonic cleaning is non-contact washing simultaneously, damage chemical instrumentation in the cleaning process has been avoided completely, need not to adopt complicated mechanical structure to come, make overall structure simple, economy is high-efficient.
Description
Technical Field
The utility model discloses the cleaning equipment field, in particular to chemistry experiment instrument belt cleaning device.
Background
The instruments used in chemical experiments are called chemical instruments, and can measure or react materials, and are mainly divided into measuring instruments and reaction instruments. The instruments are combined in a specific mode to form a device, so that the purpose of an experiment is achieved.
Chemical instrumentation will wash after using the experiment to accomplish, but chemical instrumentation generally is the container, and is the glass material mostly, will stretch into the inside careful scrubbing of instrument with the brush during manual cleaning, and cleaning efficiency is low, wastes time and energy. Therefore, some chemical instrument cleaning devices have been developed to replace manual cleaning, but most of chemical instruments are containers, especially elongated containers such as test tubes and flasks, and some of the existing chemical instrument cleaning devices have water accumulated in the containers after cleaning, resulting in unclean cleaning, and generally use mechanical devices to drive and control brushes to scrub the inside of the instrument or directly perform high-pressure washing, which is complicated in structure and easy to damage the instrument.
SUMMERY OF THE UTILITY MODEL
Therefore, a chemical experiment instrument cleaning device is needed to be provided for solving the technical problems that the cleaning efficiency is low, time and labor are wasted, water is easy to accumulate during machine cleaning, the cleaning is not clean, the structure is complex and the instrument is easy to damage during machine cleaning.
In order to achieve the aim, the inventor provides a chemical experimental instrument cleaning device, which comprises a shell, a water supply assembly, a cleaning agent supply assembly, an ultrasonic wave generation assembly and a cleaning assembly;
a cleaning groove is arranged at the upper part of the shell;
the cleaning assembly comprises a reticular pipe frame and a tubular spray head, the tubular spray head faces upwards, liquid spraying ports are formed in the side surface and the top of the tubular spray head, the tubular spray head is connected with a pipeline of the reticular pipe frame, and the reticular pipe frame is installed in the cleaning tank;
the ultrasonic wave generating assembly comprises an ultrasonic wave generator and a transducer, the ultrasonic wave generator is arranged in the shell, the transducer is arranged at the bottom of the cleaning tank, and the ultrasonic wave generator is electrically connected with the transducer;
the water supply assembly and the cleaning agent supply assembly are arranged in the shell and are respectively connected with the reticular pipe frame pipeline.
As the utility model discloses a preferred structure, the tubulose shower nozzle has more than two, and each tubulose shower nozzle length is the same, and each tubulose shower nozzle evenly arranges on netted pipe support.
As a preferred structure of the present invention,
the tubular spray heads are more than two, the length of each tubular spray head is different, and each tubular spray head is uniformly arranged on the reticular pipe frame in a step shape.
As a preferred structure of the utility model, it still includes the unilateral spray tube to wash the subassembly, unilateral spray tube and netted pipe support pipe connection, the unilateral spray tube is connected on the pipeline that netted pipe support is close to the washing tank lateral wall, the unilateral spray tube is equipped with the shower nozzle in the one side of keeping away from the washing tank lateral wall.
As the utility model discloses a preferred structure, be equipped with the flat washing district on the netted pipe support, the pipeline upside of the netted pipe support in flat washing district is equipped with the hydrojet mouth.
As the utility model discloses a preferred structure, the water supply subassembly includes first motor, first water pump and water tank, first motor, first water pump and water tank are installed respectively in the casing, first motor and first water pump electricity are connected, first water pump and water tank tube coupling, first water pump and netted pipe support tube coupling.
As the utility model discloses a preferred structure, chemistry experiment instrument belt cleaning device still includes heating element, heating element installs in the water tank.
As a preferred structure of the utility model, the cleaner supply assembly includes second motor, second water pump and cleaner storage box, second motor, second water pump and cleaner storage box are installed respectively in the casing, second motor and second water pump electricity are connected, second water pump and cleaner storage box tube coupling, second water pump and netted pipe support tube coupling.
As a preferred structure of the utility model, chemistry experiment instrument belt cleaning device still includes control assembly, control assembly includes controller and control switch, the controller is installed inside the casing, control switch installs in the casing outside, the controller with control switch communication connection, the controller takes place the subassembly electricity with water supply assembly, cleaner supply assembly, ultrasonic wave respectively and is connected.
As a preferred structure of the utility model, chemistry experiment instrument belt cleaning device still includes dry subassembly, dry subassembly is installed in the casing, dry subassembly is connected with the controller electricity.
Be different from prior art, above-mentioned technical scheme provides a chemistry experiment instrument belt cleaning device, including casing, water supply assembly, cleaner supply assembly, ultrasonic wave generation subassembly and washing subassembly.
When cleaning chemical instrumentation (for example, test tube or beaker type slender container), insert chemical experiment container inversion on the tubulose shower nozzle of cleaning assembly, water supply assembly supplies water to netted pipe support through the pipeline, netted pipe support supplies water to tubulose shower nozzle again on, water is spout from the hydrojet mouth at tubulose shower nozzle side and top, invade wet chemical experiment container inside, utilize cleaner supply assembly to mix the cleaner in the water supply after that, make the inside cleaner that adheres to of chemical experiment container, start ultrasonic wave generation subassembly and wash chemical instrumentation, make the spot separate from chemical experiment container inner wall under the cleaning action of ultrasonic cleaning assembly, and flow to the cleaning bath bottom discharge along with the cleaner under the action of gravity.
Through chemical experiment container back-off on the tubulose shower nozzle, can avoid ponding in the chemical experiment container in the cleaning process, and can send into inside the chemical experiment container with water and cleaner under the effect of tubulose shower nozzle, and wash it with the ultrasonic wave, can effectively improve cleaning quality, ensure the inside sanitization of chemical instrumentation, ultrasonic cleaning is non-contact washing simultaneously, damage chemical instrumentation in the cleaning process has been avoided completely, need not to adopt complicated mechanical structure to come, make overall structure simple, economy is high-efficient.
Drawings
FIG. 1 is a cross-sectional view of a chemical laboratory instrument cleaning apparatus according to an embodiment;
FIG. 2 is a three-dimensional view of a cleaning assembly of a chemical laboratory instrument cleaning apparatus according to an embodiment;
FIG. 3 is a front view of a cleaning assembly of a chemical laboratory instrument cleaning apparatus according to an embodiment;
FIG. 4 is an enlarged view of a portion of a tubular nozzle of a cleaning assembly of a chemical laboratory instrument cleaning apparatus according to an embodiment of the present invention.
Description of reference numerals:
10. a housing;
11. a cover; 12. a handle; 13. a cleaning tank;
20. a water supply assembly;
21. a first motor; 22. a first water pump; 23. a water tank; 24. a heating assembly;
30. a cleaning agent supply assembly;
31. a second motor; 32. a second water pump; 33. a cleaning agent storage box;
40. an ultrasonic wave generating assembly;
41. an ultrasonic generator; 42. a transducer;
50. cleaning the assembly;
51. a net pipe frame; 52. a tubular spout; 53. a single-sided nozzle; 54. a liquid spraying port; 55. a spray head;
60. a test tube;
70. and (4) a beaker.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1 to 4, the present embodiment relates to a chemical experiment apparatus cleaning device, which includes a housing 10, a water supply assembly 20, a cleaning agent supply assembly 30, an ultrasonic wave generation assembly 40, and a cleaning assembly 50.
As shown in fig. 1, a cleaning tank 13 is disposed at an upper portion of the housing 10, a mounting slot for mounting the cleaning assembly 50 is disposed in the cleaning tank 13, a cover 11 is disposed at an upper portion of the cleaning tank 13 (i.e., a top portion of the housing 10), a handle 12 for opening the cleaning tank is disposed on the cover 11, a bottom portion of the cleaning tank 13 is inclined, a water outlet is disposed at a bottom portion of the inclined surface, and the water outlet is communicated with a bottom portion of the housing 10 through a pipeline for discharging waste water in the cleaning tank. The lower interior of the housing 10 is provided with mounting brackets or mounting plates for the water supply assembly 20, the cleaning agent supply assembly 30 and the ultrasonic wave generating assembly 40 for mounting the water supply assembly 20, the cleaning agent supply assembly 30 and the ultrasonic wave generating assembly 40.
As shown in fig. 2 to 4, the cleaning assembly 50 includes a net-shaped pipe frame 51 and a tubular spray head 52, the tubular spray head 52 faces upward, the side and top of the tubular spray head 52 are provided with a liquid spray port 54, the tubular spray head 52 is connected with the net-shaped pipe frame 51 through a pipe, and the net-shaped pipe frame 51 is installed in the cleaning tank 13. The reticular pipe frame 51 is a latticed pipeline formed by splicing pipe joints and pipelines, the reticular pipe frame 51 is fixed in a clamping groove of the cleaning tank 13 in a clamping or threaded connection mode, the lower part of the channel of the reticular pipe frame 51 is provided with the pipe joint for connecting the water supply component 20 and the cleaning agent supply component 30, the upper side of the reticular pipe frame 51 is provided with the pipe joint for connecting the tubular spray head 52, the cleaned sewage can flow into the bottom of the cleaning tank 13 from a gap in the middle of the reticular pipe frame 51, the accumulated water and the accumulated dirt are effectively avoided, the tubular spray head 52 is a pipeline with one end (namely the top) closed, water spray holes are uniformly distributed on the side edge and the top of the tubular spray head 52, the test tube 60, the beaker 70, a flask, a distillation flask, a conical flask, a funnel, a wide-mouthed bottle, a thin mouthed bottle, a measuring cylinder, a gas collecting bottle, a dropping bottle and other containers with certain, the structure is simple, liquid can be effectively sprayed into the container, and the container is in an inverted state, so that water cannot be accumulated in the container.
When a plurality of tubular nozzles 52 are provided, the same length can be selected for each tubular nozzle 52, and the tubular nozzles 52 are uniformly arranged on the reticular pipe frame 51. When a plurality of tubular spray heads 52 are arranged, a plurality of chemical experiment instruments can be cleaned at the same time, and the cleaning efficiency is improved. When being equipped with a plurality of tubulose shower nozzles 52, the different length of also can choosing of each tubulose shower nozzle 52, each tubulose shower nozzle 52 is that the echelonment is evenly arranged on netted pipe support 51, each tubulose shower nozzle 52 can be followed netted pipe support 51 edge line and be the ladder arrangement and arrange, also can be followed netted pipe support 51 diagonal direction and be the ladder arrangement and arrange, different tubulose shower nozzles 52 correspond the chemical experiment container of different degree of depth, the tubulose shower nozzle 52 that also can dispose different diameters simultaneously comes to correspond different chemical experiment instruments, tubulose shower nozzle 52 passes through coupling detachably and connects on netted pipe support 51, can change different tubulose shower nozzles 52 according to actual abluent demand.
Further, the cleaning assembly 50 further comprises a single-side nozzle 53, the single-side nozzle 53 is connected with the pipeline of the netted pipe frame 51, the single-side nozzle 53 is connected to the pipeline of the netted pipe frame 51 close to the side wall of the cleaning tank 13, and the single-side nozzle 53 is provided with a spray head 55 at the side far away from the side wall of the cleaning tank 13. The single-side spray pipe 53 is not sleeved with a chemical instrument for cleaning, the single-side spray pipe 53 is arranged at the edge of the reticular pipe frame 51 and is responsible for spraying and cleaning the outer surface of the chemical instrument sleeved on the tubular spray head 52 at the inner side of the reticular pipe frame 51, and the length of the single-side spray pipe 53 is greater than or equal to the longest tubular spray head 52. Meanwhile, a flat washing area is arranged on the reticular pipe frame 51, the tubular spray nozzle 52 is not arranged on the reticular pipe frame 51 in the flat washing area, and a liquid spraying port 54 is arranged on the upper side of the pipeline of the reticular pipe frame 51 in the flat washing area and used for placing non-tubular containers (such as a combustion spoon, a watch glass, an evaporation dish, a glass rod, an iron stand and the like), and the cleaning is carried out through the liquid spraying port 54 and the single-side spray pipe 53 arranged on the upper side of the pipeline of the reticular pipe frame 51.
The ultrasonic wave generating assembly 40 comprises an ultrasonic wave generator 41 and a transducer 42, wherein the ultrasonic wave generator 41 is arranged in the shell 10, the transducer 42 is arranged at the bottom of the cleaning tank 13 10, and the ultrasonic wave generator 41 is electrically connected with the transducer 42. The sound energy of the power ultrasonic frequency source of the ultrasonic generator 41 is converted into mechanical vibration by the transducer 42, and the ultrasonic waves are radiated to the cleaning liquid in the cleaning tank 13 through the wall of the cleaning tank 13. Due to the radiation of ultrasonic waves, micro bubbles in liquid in the tank can keep vibrating under the action of sound waves, the adsorption of dirt and the surface of a cleaning piece is damaged, the fatigue damage of a dirt layer is caused and the dirt layer is separated, the vibration of the gas bubbles cleans the surface of the chemical instrument, the cleaned sewage falls into the bottom of the cleaning tank 13 under the action of gravity, the non-contact cleaning is achieved, and the chemical instrument is protected from being damaged in the cleaning process.
The water supply assembly 20 and the cleaning agent supply assembly 30 are installed in the housing 10, and the water supply assembly 20 and the cleaning agent supply assembly 30 are respectively connected with the reticular pipe frame 51 through pipelines. The water supply assembly 20 comprises a first motor 21, a first water pump 22 and a water tank 23, wherein the first motor 21, the first water pump 22 and the water tank 23 are respectively installed in the shell 10, the first motor 21 is electrically connected with the first water pump 22, the first water pump 22 is connected with the water tank 23 through a pipeline, and the first water pump 22 is connected with a netted pipe frame 51 through a pipeline. The inner side of the lower part of the shell 10 is provided with a mounting bracket of a first motor 21 and a first water pump 22, the water tank 23 is positioned at one side of the bottom of the shell 10, the water tank 23 is provided with a water inlet and a water outlet which are communicated with the outer side of the shell 10, so that water drainage and water inlet are convenient, the water tank 23 is also internally provided with a heating assembly 24, the heating assembly 24 is arranged in the water tank 23, the heating assembly 24 comprises an electric heating pipe and a temperature sensor, and the ultrasonic wave has the best space-time effect at 30-40 ℃. The water temperature in the water tank 23 is maintained between 30 ℃ and 40 ℃ by the heating means.
The cleaning agent supply assembly 30 comprises a second motor 31, a second water pump 32 and a cleaning agent storage box 33, wherein the second motor 31, the second water pump 32 and the cleaning agent storage box 33 are respectively installed in the shell 10, the second motor 31 is electrically connected with the second water pump 32, the second water pump 32 is connected with the cleaning agent storage box 33 through a pipeline, and the second water pump 32 is connected with the reticular pipe frame 51 through a pipeline. The cleaning agent is a cleaning medium and plays a chemical role in the cleaning process, and the ultrasonic cleaning is a physical role, so that the two roles are combined to fully and thoroughly clean objects.
When a chemical instrument (such as a test tube 60 or a beaker 70) is cleaned, a chemical experiment container is inversely inserted on a tubular spray head 52 of a cleaning assembly 50, a water supply assembly 20 supplies water to a net-shaped pipe frame 51 through a pipeline, the net-shaped pipe frame 51 supplies water to the tubular spray head 52, the water is sprayed out from liquid spray ports 54 at the side edge and the top of the tubular spray head 52 to wet the interior of the chemical experiment container, then a cleaning agent is mixed into the water supply by a cleaning agent supply assembly 30, so that the cleaning agent is attached to the interior of the chemical experiment container, an ultrasonic wave generation assembly 40 is started to clean the chemical instrument, and stains are separated from the inner wall of the chemical experiment container under the cleaning action of the ultrasonic cleaning assembly 50 and flow to the bottom of a cleaning tank 13 along with the cleaning agent to be discharged under the action.
Through chemical experiment container back-off on tubulose shower nozzle 52, can avoid ponding in the chemical experiment container in the cleaning process, and can send into inside the chemical experiment container with water and cleaner under tubulose shower nozzle 52's effect, and wash it with the ultrasonic wave, can effectively improve cleaning quality, ensure the inside sanitization of chemical instrumentation, ultrasonic cleaning is non-contact washing simultaneously, damage chemical instrumentation in the cleaning process has been avoided completely, need not to adopt complicated mechanical structure to come, make overall structure simple, economy is high-efficient.
In other embodiments, the chemical laboratory instrument cleaning device further comprises a control assembly, the control assembly comprises a controller and a control switch, the controller is installed inside the housing 10, the control switch is installed outside the housing 10, the controller is in communication connection with the control switch, and the controller is electrically connected with the water supply assembly 20, the cleaning agent supply assembly 30 and the ultrasonic wave generation assembly 40 respectively. The water supply assembly 20, the cleaning agent supply assembly 30 and the ultrasonic wave generation assembly 40 are sequentially started through the controller, one-key starting and one-key shutdown are realized through the control switch, the automation level is improved, and the working intensity of an operator is reduced.
In other embodiments, the chemical laboratory instrument cleaning apparatus further includes a drying assembly installed in the housing 10, and the drying assembly is electrically connected to the controller. The drying assembly comprises a heat source and a fan, the controller starts the heat source to generate heat after the chemical instrument is cleaned, hot air is sent into the cleaning tank 13 through the fan and a pipeline, the chemical instrument is dried, and the cleaning quality and efficiency of the chemical instrument are improved.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a chemistry experiment instrument belt cleaning device which characterized in that: comprises a shell, a water supply component, a cleaning agent supply component, an ultrasonic wave generation component and a cleaning component;
a cleaning groove is arranged at the upper part of the shell;
the cleaning assembly comprises a reticular pipe frame and a tubular spray head, the tubular spray head faces upwards, liquid spraying ports are formed in the side surface and the top of the tubular spray head, the tubular spray head is connected with a pipeline of the reticular pipe frame, and the reticular pipe frame is installed in the cleaning tank;
the ultrasonic wave generating assembly comprises an ultrasonic wave generator and a transducer, the ultrasonic wave generator is arranged in the shell, the transducer is arranged at the bottom of the cleaning tank, and the ultrasonic wave generator is electrically connected with the transducer;
the water supply assembly and the cleaning agent supply assembly are arranged in the shell and are respectively connected with the reticular pipe frame pipeline.
2. A chemical laboratory instrument cleaning apparatus according to claim 1, wherein: the tubular spray heads are more than two, the length of each tubular spray head is the same, and each tubular spray head is uniformly arranged on the net-shaped pipe frame.
3. A chemical laboratory instrument cleaning apparatus according to claim 1, wherein: the tubular spray heads are more than two, the length of each tubular spray head is different, and each tubular spray head is uniformly arranged on the reticular pipe frame in a step shape.
4. A chemical laboratory instrument cleaning apparatus according to any one of claims 1 to 3, wherein: the cleaning assembly further comprises a single-side spray pipe, the single-side spray pipe is connected with the netted pipe support pipeline, the single-side spray pipe is connected to the pipeline, close to the side wall of the cleaning tank, of the netted pipe support, and the single-side spray pipe is provided with a spray head on one side far away from the side wall of the cleaning tank.
5. The chemical laboratory instrument cleaning device according to claim 4, wherein: the device is characterized in that a horizontal washing area is arranged on the reticular pipe frame, and a liquid spraying port is arranged on the upper side of a pipeline of the reticular pipe frame in the horizontal washing area.
6. A chemical laboratory instrument cleaning apparatus according to claim 1, wherein: the water supply assembly comprises a first motor, a first water pump and a water tank, wherein the first motor, the first water pump and the water tank are respectively installed in the shell, the first motor is electrically connected with the first water pump, the first water pump is connected with a water tank pipeline, and the first water pump is connected with a netted pipe support pipeline.
7. The chemical laboratory instrument cleaning device according to claim 6, wherein: chemistry experiment instrument belt cleaning device still includes heating element, heating element installs in the water tank.
8. A chemical laboratory instrument cleaning apparatus according to claim 1, wherein: the cleaning agent supply assembly comprises a second motor, a second water pump and a cleaning agent storage box, the second motor, the second water pump and the cleaning agent storage box are respectively installed in the shell, the second motor is electrically connected with the second water pump, the second water pump is connected with the cleaning agent storage box through a pipeline, and the second water pump is connected with the netted pipe support pipeline.
9. A chemical laboratory instrument cleaning apparatus according to claim 1, wherein: chemistry experiment instrument belt cleaning device still includes control assembly, control assembly includes controller and control switch, the controller is installed inside the casing, control switch installs in the casing outside, the controller with control switch communication connection, the controller respectively with supply water subassembly, cleaner supply assembly, ultrasonic wave generation subassembly electricity and be connected.
10. A chemical laboratory instrument cleaning apparatus according to claim 9, wherein: chemistry experiment instrument belt cleaning device still includes dry subassembly, dry subassembly installs in the casing, dry subassembly is connected with the controller electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020823501.0U CN212190487U (en) | 2020-05-15 | 2020-05-15 | Chemistry experiment instrument belt cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020823501.0U CN212190487U (en) | 2020-05-15 | 2020-05-15 | Chemistry experiment instrument belt cleaning device |
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| CN212190487U true CN212190487U (en) | 2020-12-22 |
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| CN202020823501.0U Active CN212190487U (en) | 2020-05-15 | 2020-05-15 | Chemistry experiment instrument belt cleaning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846298A (en) * | 2022-11-29 | 2023-03-28 | 桃源县第三中学(陬市镇中学) | Chemistry education laboratory is with tube cleaning equipment |
| JP7449615B1 (en) | 2023-01-17 | 2024-03-14 | ヤマト科学株式会社 | cleaning equipment |
-
2020
- 2020-05-15 CN CN202020823501.0U patent/CN212190487U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846298A (en) * | 2022-11-29 | 2023-03-28 | 桃源县第三中学(陬市镇中学) | Chemistry education laboratory is with tube cleaning equipment |
| JP7449615B1 (en) | 2023-01-17 | 2024-03-14 | ヤマト科学株式会社 | cleaning equipment |
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