Cleaning machine

By installing an exhaust structure on the door of the cleaning machine, hot and humid air is directly discharged into the water tank, solving the problem of mold growth in cabinets, improving exhaust efficiency, and simplifying the structural design.

CN223886823UActive Publication Date: 2026-02-10NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Application Number
CN202520412094.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-02-10
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The existing cleaning machines' method of venting hot and humid air can easily lead to mold growth in cabinets, and the complex piping connections increase production costs and the risk of mold growth in cabinets.

Method used

An exhaust structure, including an exhaust channel and an exhaust fan, is installed on the door. Hot and humid air enters the exhaust channel through the exhaust inlet and is discharged into the sink through the exhaust outlet, avoiding contact with the cabinet and simplifying the structure.

Benefits of technology

It effectively prevents cabinets from getting moldy, improves ventilation efficiency, simplifies the internal structure, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223886823U_ABST
    Figure CN223886823U_ABST
Patent Text Reader

Abstract

The utility model relates to a cleaning machine which comprises a washing inner container with an opening in the upper portion and a door body, the door body is used for opening and closing the opening of the washing inner container, an exhaust structure is arranged on the door body, and the exhaust structure comprises an exhaust channel with an exhaust inlet and an exhaust outlet and an exhaust fan. The exhaust fan is used for driving gas in the washing inner container to enter the exhaust channel from the exhaust inlet and to be exhausted from the exhaust outlet, and in a working state, the washing inner container and the water tank are arranged side by side, so that gas exhausted from the exhaust outlet is introduced into the water tank. The damp and hot air in the washing inner container can be directly discharged into the water tank through the exhaust structure, so that the damp and hot air is prevented from being in contact with the cabinet, and the problem that the cabinet is mildewed due to contact with the damp and hot air is solved. And wet and hot air is directly introduced into the water tank, and a complicated conveying pipeline is needed, so that the internal structure of the cleaning machine is simple.
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Description

Technical Field

[0001] This utility model relates to the field of household appliances, and in particular to a cleaning machine. Background Technology

[0002] A sink dishwasher typically has two sinks arranged side by side. One sink is a regular sink, while the other can be switched to serve as the dishwasher's washing tub. Examples include Chinese invention patent application number CN202410864184.X (publication number CN118680487A) and Chinese utility model patent number ZL202420078966.6 (authorization announcement number CN222018259U).

[0003] Furthermore, a dishwasher is a device that sprays cold or hot water onto dishes to remove dirt adhering to them. The high-temperature steam generated during the washing process needs to be vented out of the washing tub. Simultaneously, a large amount of steam remains in the washing tub after washing, requiring a drying process. During the drying process, the hot and humid air in the washing tub also needs to be vented out. However, dishwashers are generally installed in cabinets in a built-in manner, and the prolonged contact of the vented hot and humid air with the cabinet can easily lead to mold growth. For example, there is a Chinese invention patent with patent number ZL201911120868.4 (authorization announcement number CN112806940B).

[0004] Furthermore, to address the aforementioned problem of mold growth in cabinets, Chinese utility model patent ZL202322663317.0 (authorization announcement number CN221383467U) discloses an integrated cleaning machine device, including a first water tank and a second water tank arranged side by side. A first dishwasher is installed under the first water tank, and the second water tank can be switched to become a second dishwasher. An overflow seat is provided between the first and second water tanks. The overflow seat has a second air inlet connected to the first air outlet of the first dishwasher, a first air inlet connected to the second air outlet of the second water tank, and an air outlet connected to the first water tank. This patent discharges hot and humid air into the first water tank through the overflow seat. While this can solve the problem of mold growth in cabinets to some extent, the complex piping connections increase the production cost of the device, and the hot and humid air transported along the pipes in the cabinet can also contribute to mold growth to some extent. Summary of the Invention

[0005] The first technical problem this invention aims to solve is to provide a cleaning machine that can prevent cabinets from getting moldy and has a simple structure, in contrast to the existing technology.

[0006] The second technical problem to be solved by this utility model is to provide a cleaning machine that can prevent cabinets from getting moldy and has high exhaust efficiency, in contrast to the existing technology.

[0007] The technical solution adopted by this utility model to solve at least one of the above-mentioned technical problems is as follows: a washing machine, including an open washing tank and a door, the door being used to open and close the opening of the washing tank, characterized in that the door is provided with an exhaust structure, the exhaust structure including an exhaust channel with an exhaust inlet and an exhaust outlet and an exhaust fan, the exhaust fan being used to drive the gas in the washing tank to enter the exhaust channel through the exhaust inlet and be discharged from the exhaust outlet, in the working state, the washing tank and the water tank are arranged side by side so that the gas from the exhaust outlet is introduced into the water tank.

[0008] Furthermore, the exhaust channel is located within the door body, and the exhaust fan is also located within the exhaust channel. An air inlet is located on the bottom surface of the door body, and an air outlet is located on the side surface. The air inlet is fluidly connected to the exhaust inlet, and the air outlet is fluidly connected to the exhaust outlet. This design allows gas in the washing tank to enter the exhaust channel more effectively through the exhaust inlet, and also allows gas entering the exhaust channel to be discharged into the water tank more effectively through the exhaust outlet.

[0009] Furthermore, in the installed state and with the door closed, the vent is located above the opening of the water tank, and extends along the length of the side of the door. After being discharged from the vent, the humid, hot air tends to fall due to gravity, and the airflow flows from the opening of the water tank into the tank, ultimately draining into the sewer through the drain outlet. Designing the vent to be elongated allows for better drainage into the water tank.

[0010] Furthermore, the opening of the water tank is smoothly curved outward in the circumferential direction and extends horizontally outward to form a first rim. In the installed state and with the door closed, the air outlet is located directly above the first rim. In this way, the tank wall at the opening of the water tank can guide the air out of the air outlet, so that it flows into the water tank better.

[0011] Furthermore, the exhaust structure also includes a block-shaped, horizontally positioned exhaust body, in which the exhaust channel is disposed, the exhaust inlet is located on the bottom surface of the exhaust body, and the exhaust outlet is located on the side surface of the exhaust body.

[0012] The aforementioned door body has a hollow interior forming an installation compartment. The air inlet is located on the bottom wall of this installation compartment, while the air outlet is located on the side wall. The exhaust body is housed within the installation compartment, with the exhaust inlet connected to the air inlet and the exhaust outlet connected to the air outlet. This design allows for a compact exhaust structure and a stable installation on the door body. Furthermore, placing the exhaust structure inside the door body avoids any impact on the door's aesthetic appearance.

[0013] Furthermore, the rear end of the door is hinged to the top of the washing tub, and the system also includes an opening mechanism for driving the front end of the door to rotate upwards relative to its rear end, thus forming an exhaust gap between the inner surface of the door and the opening edge of the washing tub. At the beginning of the drying process, the temperature and humidity of the gas in the washing tub are high. Opening the door at a certain angle using the opening mechanism to create an exhaust gap at this time helps improve exhaust efficiency, thereby increasing drying efficiency. In addition, it can help prevent mold growth in the cabinets to some extent.

[0014] Furthermore, the included angle α formed by the exhaust gap is 75° to 80°. This not only ensures the exhaust efficiency of the exhaust gap but also allows the hot and humid gas to be discharged at a certain angle. Therefore, it avoids the problem of the exhaust hot and humid gas being pressed down towards the cabinet direction and causing mold growth in the cabinet due to an excessively small included angle α, while also preventing the hot and humid gas from spreading in the kitchen due to an excessively large included angle α, which would affect the user experience.

[0015] Furthermore, the door opening mechanism includes a puller and a pull rope. The puller is electrically connected to the controller of the washing machine. One end of the pull rope is connected to the puller, and the other end is connected to the front end of the door. In the closed state, when the puller receives an opening signal, it pulls the pull rope upwards, causing the front end of the door to rotate relative to the rear end, thus creating the aforementioned exhaust gap between the door and the opening edge of the washing tub. When the humidity in the washing tub is higher than a set value (detected by a humidity sensor), the controller sends an opening signal to the puller. The puller causes the pull rope to coil and retract, pulling the front end of the door upwards. After rotating to a certain angle, the pull rope is locked by a self-locking mechanism inside the puller, thereby locking the door at the desired angle. When the humidity in the washing tub is detected to be lower than the set value, the controller sends a closing signal to the puller. The puller is de-energized, the self-locking mechanism unlocks, and the door slowly descends to the closed state under its own weight.

[0016] Furthermore, a connecting seat for connecting a pull rope is provided at the front end of the door body. The opening mechanism also includes a guide wheel. The pull rope is always taut between the connecting seat and the traction device and is wound around the guide wheel. The connecting seat allows the pull rope to be firmly connected to the front end of the door body, while the guide wheel can change the extension direction of the pull rope and ensure that the pull rope is always taut between the connecting seat and the traction device.

[0017] Furthermore, the door body is hollow inside to form an installation compartment. The pull rope passes through the installation compartment along the front-to-back direction of the door body, and the guide wheel is disposed in the installation compartment. The traction device is suspended on the back side of the washing tub via the pull rope. This ensures a stable installation of the door opening mechanism within the door body and allows the traction device to better drive the pull rope.

[0018] Compared with existing technologies, the advantages of this invention are as follows: The door is equipped with an exhaust structure, which allows gas from the washing tub to enter through its exhaust inlet and exit through its exhaust outlet. In operation, the washing tub and the water tank are arranged side-by-side, allowing the exhaust gas to flow into the water tank. This allows the humid air in the washing tub to be directly discharged into the water tank through the exhaust structure, preventing the humid air from contacting the cabinet and solving the problem of mold growth in the cabinet due to contact with humid air. Directly introducing humid air into the water tank eliminates the need for complex pipelines, thus simplifying the internal structure of the washing machine. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the cleaning machine in an embodiment of the present invention;

[0020] Figure 2 for Figure 1 A structural diagram from another direction;

[0021] Figure 3 This is a partial exploded view of the cleaning machine in an embodiment of this utility model;

[0022] Figure 4 This is a cross-sectional view of the cleaning machine in an embodiment of this utility model;

[0023] Figure 5 for Figure 4 Enlarged view of section A. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0025] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," 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. They 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. Since the embodiments disclosed in this utility model can be arranged in different directions, these terms indicating direction are only for illustration and should not be regarded as limitations. For example, "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity. In addition, features defined with "first" and "second" may explicitly or implicitly include one or more of such features.

[0026] like Figures 1-5As shown, a washing machine includes an open-top washing tub 1 and a door 3, the door 3 being used to open and close the opening of the washing tub 1. Further, as... Figure 4 and Figure 5 As shown, the door 3 is equipped with an exhaust structure 4, which includes an exhaust channel 41 with an exhaust inlet 411 and an exhaust outlet 412, and an exhaust fan 42. The exhaust fan 42 drives the gas in the washing tub 1 to enter the exhaust channel 41 through the exhaust inlet 411 and exit through the exhaust outlet 412. In operation, the washing tub 1 and the water tank 2 are arranged side-by-side so that the gas exiting the exhaust outlet 412 enters the water tank 2. Figure 1 As shown.

[0027] As can be seen from the above, the door body 3 of this utility model is provided with an exhaust structure 4. This exhaust structure 4 is used to allow gas in the washing inner tank 1 to enter through its exhaust inlet 411 and exit through its exhaust outlet 412. In the working state, the washing inner tank 1 and the water tank 2 are arranged side by side so that the gas exiting the exhaust outlet 412 can enter the water tank 2. In this way, the humid and hot air in the washing inner tank 1 can be directly discharged into the water tank 2 through the exhaust structure 4, avoiding contact between the humid and hot air and the cabinet, thus solving the problem of mold growth in the cabinet due to contact with humid and hot air. The humid and hot air is directly introduced into the water tank 2, eliminating the need for complex conveying pipelines, thereby simplifying the internal structure of the cleaning machine of this utility model.

[0028] Preferably, such as Figure 5 As shown, the exhaust channel 41 is installed in the door body 3, and the exhaust fan 42 is installed in the exhaust channel 41. An air inlet 301 is provided on the bottom surface of the door body 3, and an air outlet 302 is provided on the side surface. The air inlet 301 is fluidly connected to the exhaust inlet 411, and the air outlet 302 is fluidly connected to the exhaust outlet 412. This allows the gas in the washing inner tank 1 to better enter the exhaust channel 41 through the exhaust inlet 411, and also allows the gas entering the exhaust channel 41 to be better discharged into the water tank 2 through the exhaust outlet 412.

[0029] Furthermore, such as Figure 1As shown, in the installed state and with the door 3 closed, the vent 302 is located above the opening of the water tank 2, and extends along the length of the side of the door 3. After being discharged from the vent 302, the humid air tends to fall due to gravity, and the airflow flows from the opening of the water tank 2 into the water tank 2, eventually draining into the sewer through the drain outlet of the water tank 2. Designing the vent 302 as long and narrow allows for better airflow into the water tank 2. Preferably, the opening of the water tank 2 is smoothly curved outwards circumferentially and extends horizontally outwards to form a first rim 21. In the installed state and with the door 3 closed, the vent 302 is located directly above the first rim 21. This allows the tank wall at the opening of the water tank 2 to guide the airflow from the vent 302, ensuring better flow into the water tank 2. In this embodiment, the washing inner tank 1 can be switched to use as a regular sink 2 when not in operation. Furthermore, the opening edge of the washing inner tank 1 extends horizontally outward in the circumferential direction to form a second rim 11. The second rim 11 on the side where the air outlet 302 is located is fixed along its length to the first rim 21, thus making the washing inner tank 1 and the sink 2 a single unit. Figure 5 As shown.

[0030] In this embodiment, as Figure 3 As shown, the exhaust structure 4 also includes an exhaust body 40 that is block-shaped and horizontally positioned. The exhaust channel 41 is disposed in the exhaust body 40, the exhaust inlet 411 is located on the bottom surface of the exhaust body 40, and the exhaust outlet 412 is located on the side surface of the exhaust body 40. The door body 3 is hollow inside to form a mounting interlayer 30. The air inlet 301 is located on the bottom wall of the mounting interlayer 30, and the air outlet 302 is located on the side wall. The exhaust body 40 is housed in the mounting interlayer 30, and the exhaust inlet 411 is connected to the air inlet 301, while the exhaust outlet 412 is connected to the air outlet 302. This allows the exhaust structure 4 to be compact and to be stably installed on the door body 3. Furthermore, placing the exhaust structure 4 inside the door body 3 avoids affecting the aesthetic appearance of the door body 3. In this embodiment, the door body 3 includes a base 3a and a cover 3b, which are fitted together to form the mounting interlayer 30.

[0031] Furthermore, such as Figure 2 and Figure 3As shown, the rear end of the aforementioned door 3 is hinged to the top of the washing tub 1. It also includes an opening mechanism 5 for driving the front end of the door 3 to rotate upwards relative to its rear end, forming an exhaust gap between the inner surface of the door 3 and the opening edge of the washing tub 1. At the beginning of the drying process, the temperature and humidity of the gas in the washing tub 1 are high. Opening the door 3 at a certain angle using the opening mechanism 5 to form an exhaust gap helps improve exhaust efficiency, thereby improving drying efficiency. Furthermore, it can prevent mold growth in the cabinet 1 to some extent. Preferably, the included angle α formed by the exhaust gap (in this embodiment, it is the angle between the inner surface of the door 3 and the horizontal plane) is 75° to 80°. This not only ensures the exhaust efficiency of the exhaust gap but also allows the hot and humid gas to be discharged at a certain angle. Therefore, it avoids the problem of the exhaust hot and humid gas being pressed downwards towards the cabinet due to an angle α that is too small, which could lead to mold growth in the cabinet. It also avoids the problem of hot and humid gas spreading in the kitchen due to an angle α that is too large, affecting the user experience.

[0032] Specifically, the door opening mechanism 5 includes a puller 51 and a pull rope 52. The puller 51 is electrically connected to the controller of the washing machine. One end of the pull rope 52 is connected to the puller 51, and the other end is connected to the front end of the door 3. In the closed state, when the puller 51 receives an opening signal, it pulls the pull rope 52, causing the pull rope 52 to pull the front end of the door 3 upwards. The front end of the door 3 rotates relative to the rear end, so that the exhaust gap is formed between the door 3 and the opening edge of the washing tub 1. When the humidity in the washing tub 1 is higher than the set value (detected by a humidity sensor), the controller sends an opening signal to the puller 51. The puller 51 drives the pull rope 52 to coil and retract, causing the pull rope 52 to pull the front end of the door 3, causing the front end of the door 3 to rotate upwards. After rotating to a certain angle, the pull rope 52 is locked by the self-locking mechanism inside the puller 51, thereby locking the door 3 at the desired angle. When the humidity of the washing tub 1 is detected to be lower than the set value, the controller sends a door closing signal to the actuator 51. The actuator 51 is de-energized, the self-locking mechanism is unlocked, and the door 3 slowly descends to the closed state under the action of its own gravity.

[0033] Preferably, such as Figure 3 As shown, the front end of the door 3 is provided with a connecting seat 31 for connecting the pull rope 52. The opening mechanism 5 also includes a guide wheel 53. The pull rope 52 is always taut between the connecting seat 31 and the puller 51, and is wound around the guide wheel 53. The connecting seat 31 allows the pull rope 52 to be firmly connected to the front end of the door 3, while the guide wheel 53 changes the extension direction of the pull rope 52 and ensures that the pull rope 52 is always taut between the connecting seat 31 and the puller 51. In addition, the pull rope 52 passes through the mounting interlayer 30 along the front-rear direction of the door 3, and the guide wheel 53 is disposed in the mounting interlayer 30. The puller 51 is suspended on the back side of the washing tub 1 by the pull rope 52. Figure 2 and Figure 3 As shown. This allows the door opening mechanism 5 to be stably installed in the door body 3, and enables the puller 51 to better drive the pull rope 52.

[0034] The term "fluid connectivity" as used in this utility model refers to the spatial relationship between two components or parts (hereinafter referred to as the first part and the second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow from the first part along a flow path and / or be transported to the second part. This can be a direct connection between the first part and the second part, or an indirect connection between the first part and the second part through at least one third party. The third party can be a fluid channel such as a pipe, channel, conduit, guide, hole, or groove, or a chamber or combination thereof that allows fluid to flow through.

Claims

1. A washing machine comprising an open-top washing tank (1) and a door (3), the door (3) being used to open and close the opening of the washing tank (1), characterized in that, The door body (3) is provided with an exhaust structure (4), which includes an exhaust channel (41) with an exhaust inlet (411) and an exhaust outlet (412) and an exhaust fan (42). The exhaust fan (42) is used to drive the gas in the washing inner tank (1) to enter the exhaust channel (41) through the exhaust inlet (411) and be discharged from the exhaust outlet (412). In the working state, the washing inner tank (1) and the water tank (2) are arranged side by side so that the gas from the exhaust outlet (412) is introduced into the water tank (2).

2. The cleaning machine as described in claim 1, characterized in that, The exhaust channel (41) is installed in the door body (3), and the exhaust fan (42) is installed in the exhaust channel (41). The bottom surface of the door body (3) is provided with an air inlet (301) and the side surface is provided with an air outlet (302). The air inlet (301) is in fluid communication with the exhaust inlet (411), and the air outlet (302) is in fluid communication with the exhaust outlet (412).

3. The cleaning machine as described in claim 2, characterized in that, In the installed state and with the door (3) closed, the air outlet (302) is located above the opening of the water tank (2), and the air outlet (302) extends along the length of the side of the door (3) where it is located.

4. The cleaning machine as described in claim 3, characterized in that, The opening of the water tank (2) is smoothly curved outward in the circumferential direction and extends outward horizontally to form a first rim (21). In the installed state and with the door (3) closed, the air outlet (302) is located directly above the first rim (21).

5. The cleaning machine as described in any one of claims 3 to 4, characterized in that, The exhaust structure (4) further includes an exhaust body (40) that is block-shaped and horizontally positioned. The exhaust channel (41) is disposed in the exhaust body (40). The exhaust inlet (411) is located on the bottom surface of the exhaust body (40), while the exhaust outlet (412) is located on the side surface of the exhaust body (40). The aforementioned door body (3) is hollow inside to form an installation interlayer (30). The aforementioned air inlet (301) is opened on the bottom wall of the installation interlayer (30) and the air outlet (302) is opened on the side wall. The aforementioned exhaust body (40) is housed in the aforementioned installation interlayer (30), and the exhaust inlet (411) is connected to the aforementioned air inlet (301), while the exhaust outlet (412) is connected to the aforementioned air outlet (302).

6. The cleaning machine according to any one of claims 1 to 4, characterized in that, The rear end of the door (3) is hinged to the top of the washing inner tank (1), and also includes an opening mechanism (5) for driving the front end of the door (3) to rotate upward relative to its rear end to form an exhaust gap between the inner surface of the door (3) and the opening edge of the washing inner tank (1).

7. The cleaning machine as described in claim 6, characterized in that, The included angle α formed by the exhaust gap is 75° to 80°.

8. The cleaning machine as described in claim 6, characterized in that, The door opening mechanism (5) includes a puller (51) and a pull rope (52). The puller (51) is electrically connected to the controller of the washing machine. One end of the pull rope (52) is connected to the puller (51) and the other end is connected to the front end of the door (3). When the door is closed, the puller (51) receives the door opening signal and pulls the pull rope (52) to pull the front end of the door (3) upward. The front end of the door (3) rotates relative to the rear end so that the exhaust gap is formed between the door (3) and the opening edge of the washing inner tank (1).

9. The cleaning machine as described in claim 8, characterized in that, The front end of the door body (3) is provided with a connecting seat (31) for connecting the pull rope (52). The door opening mechanism (5) also includes a guide wheel (53). The pull rope (52) is always tensioned between the connecting seat (31) and the traction device (51) and is wound around the guide wheel (53).

10. The cleaning machine as described in claim 9, characterized in that, The door body (3) is hollow inside to form an installation interlayer (30). The pull rope (52) is threaded through the installation interlayer (30) along the front and rear direction of the door body (3). The guide wheel (53) is set in the installation interlayer (30), and the traction device (51) is suspended on the back side of the washing inner tank (1) by the pull rope (52).

Citation Information

Patent Citations

  • Cleaning machine with drying function and cleaning method

    CN112806940A

  • A cleaning machine with drying function and a cleaning method

    CN112806940B

  • Door opening and closing method of cleaning machine

    CN118680487A

  • Integrated cleaning machine device

    CN221383467U

  • Water tank type cleaning device

    CN222018259U