Cleaning machine

Abstract

The utility model relates to a cleaning machine which comprises a box body and a spraying arm, the side wall of the box body is provided with an air inlet allowing external air to enter the box body and an exhaust port allowing moisture in the box body to be exhausted, the outer side wall of the box body is provided with an air inlet assembly capable of heating the air entering the box body, and an input port of the air inlet assembly is connected with an output port of a fan. And the other output port of the fan extends into the box body from the bottom of the box body and is communicated with the inner cavity of the spraying arm. The air inlet assembly can input outside air into the box body after washing is completed, high-temperature moisture in the box body is discharged through air convection, and therefore tableware is dried. By means of the power part fan of the gas inlet assembly, gas can be sprayed into the arm, in the cleaning process, for different objects to be cleaned, quantitative gas can be input into the spraying arm within unit time by controlling the operation power of the fan and the like, bubbles of different densities and numbers are formed, and therefore more cleaning requirements of consumers are met.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to a washing machine used for washing tableware, fruits and vegetables. Background Art

[0002] Dishwashers have been widely used in home kitchens. Dishwashers are generally provided with a spray arm for spraying water, a concave water return area is provided at the bottom of the cabinet, the top of the water return area is covered with a filter plate, and a water pump is used to pump water from the water return area to the spray arm above the filter plate to realize the circulation spraying of washing water.

[0003] The applicant's prior patent ZL 202120988797.6 "Spray arm for cleaning machine and cleaning machine using the spray arm" discloses a structure in which the spray arm includes a body, the body has a flow channel extending along the length of the body, the body has a water inlet connected to the flow channel on the bottom wall, a water spray hole on the top wall, and multiple water spray holes corresponding to the corresponding flow channels are arranged on both sides of the water inlet, and the water spray holes on both sides of the water inlet are arranged asymmetrically; the top of the spray arm is provided with an aeration structure that can entrain bubbles in the water flow during the water flow spraying process. The aeration structure allows bubbles to be entrained in the jet during the water column spraying process, and the bubbles are broken on the surface of dishes or fruits and vegetables to improve the dirt stripping force and improve the cleaning effect.

[0004] However, the above-mentioned gas filling structure utilizes the Venturi effect to automatically inhale gas, which makes it impossible to control the amount of gas added and is difficult to meet the cleaning requirements of different objects to be cleaned. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a cleaning machine capable of controlling the gas addition amount according to the needs so as to meet the cleaning requirements of different objects to be cleaned in view of the current status of the prior art.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A cleaning machine comprises a box body and a spray arm. The spray arm is rotatably arranged in the box body and is arranged near the bottom of the box body. The first side wall of the box body is provided with an air inlet for external air to enter the box body, and the second side wall is provided with an exhaust port for moisture in the box body to be discharged. The outer side wall of the box body is provided with an air intake component that can heat the air entering the box body. The input port of the air intake component is connected to an output port of a fan. The other output port of the fan extends into the box body from the bottom of the box body and is connected to the inner cavity of the spray arm.

[0008] The air intake assembly provided in the utility model can input outside air into the box body after washing is completed, and then use air convection to discharge the high-temperature and humid air in the box body, so as to achieve drying of the tableware; with the help of the power fan of the above-mentioned air intake assembly, the gas spray arm can be simultaneously used. During the cleaning process, for different objects to be cleaned, a certain amount of gas can be input into the spray arm within a unit time by controlling the operating power of the fan, so as to form bubbles of different densities and quantities, thereby meeting more cleaning needs of consumers.

[0009] Preferably, the fan is a centrifugal fan, a gas inlet is provided at the bottom of the fan, a first outlet and a second outlet are provided on the side wall of the fan, the first outlet is connected to the air intake assembly, and the second outlet is connected to the spray arm. The above structure facilitates the realization of the two functions of drying and gassing through one power component.

[0010] Preferably, a control structure capable of controlling the opening of the air intake assembly is provided at the inlet of the air intake assembly. This structure facilitates the air intake passage to be cut off when air is required during the cleaning process, so that the air is concentrated and delivered to the spray arm, thereby achieving air replenishment for the spray water column; however, during the drying process, the opening of the air intake assembly can be controlled to control the air input into the box body to enter completely through the air intake or partially through the air intake and partially through the spray arm, thereby achieving the effect of drying the spray arm and tableware, and facilitating the elimination of drying dead corners.

[0011] Preferably, the control structure includes a motor and a partition, the partition is inserted into the air intake assembly from the outer wall of the air intake assembly and can move forward and backward, and the motor is arranged outside the air intake assembly and connected to the partition to drive the partition to move forward and backward. This structure facilitates the control of the opening of the air intake assembly.

[0012] Preferably, the air intake assembly includes an air intake pipe, a heating element and the fan, the air intake pipe has an air duct in an inverted U-shaped structure, the first end of the U-shaped structure is connected to the air intake of the box, the second end of the U-shaped structure is connected to the first outlet of the fan, and the heating element is arranged in the air intake pipe and close to the second end of the U-shaped structure. The above structure can heat the air delivered to the box through the heating element to improve the drying effect of the tableware.

[0013] Preferably, the partition is arranged near the bottom of the heating element, and when the partition is completely located in the air inlet pipe, the partition isolates the outside air from the heating element. This structure can isolate the heating element from the outside world when the cleaning machine is not in operation, thereby protecting it.

[0014] The cleaning machine of the utility model also includes an impeller and a first motor. A concave return water area is provided at the bottom of the box body. The spray arm is rotatably arranged in the box body and arranged close to the return water area. The lower part of the impeller is located in the return water area. The upper part of the impeller passes through the water inlet at the bottom of the spray arm and is located in the spray arm. The motor is arranged at the outer bottom of the box body and the motor shaft passes through the bottom wall of the box body and is connected to the impeller.

[0015] Preferably, the motor shaft is hollow inside to form an air guide channel, the upper end of the motor shaft is located in the spray arm, and the lower end of the motor shaft is connected to the second output port of the fan through the air guide pipe. The above structure facilitates the stable addition of gas to the spray arm.

[0016] Preferably, the spray arm is hollow inside to form a flow channel extending in the length direction, and a water collecting chamber for distributing fluid to the flow channel is formed in the central part of the spray arm, and a throat is formed between the water collecting chamber and the flow channels on both sides thereof, and the upper part of the impeller is located in the water collecting chamber, and the upper end of the motor shaft passes through the axial hole in the center of the impeller and is arranged corresponding to the inner top wall of the water collecting chamber. With the above structure, the gas output from the upper end of the motor shaft can be quickly diverted to the flow channels on both sides under the obstruction of the inner top wall of the water collecting chamber, avoiding being retained in the water collecting chamber and affecting the water pumping efficiency.

[0017] Preferably, the upper end of the motor shaft is covered with a bubbling net for cutting the air delivered to the spray arm to form bubbles. This structure can quickly cut the gas output from the upper end of the motor shaft into smaller bubbles to prevent the bubbles from being too large and affecting the cleaning effect.

[0018] Compared with the prior art, the advantages of the utility model are: the air intake assembly arranged in the utility model can input the outside air into the box body after washing is completed, and then use air convection to discharge the high-temperature and humid air in the box body, thereby achieving the drying of the tableware; with the help of the power fan of the above-mentioned air intake assembly, the gas spray arm can be used at the same time. During the cleaning process, for different objects to be cleaned, a certain amount of gas can be input into the spray arm within a unit time by controlling the operating power of the fan, etc., to form bubbles of different densities and quantities, thereby meeting more cleaning needs of consumers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0020] Figure 2 for Figure 1 Schematic diagram from another angle;

[0021] Figure 3 A cross-sectional view of an embodiment of the utility model;

[0022] Figure 4 It is another cross-sectional view of an embodiment of the utility model. DETAILED DESCRIPTION

[0023] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 4 As shown, the cleaning machine of this embodiment includes a housing 1, a spray arm 2, an impeller 3 and a motor 4. A concave water return area 11 is provided at the bottom of the housing 1. The spray arm 2 is rotatably arranged in the housing 1 and arranged close to the water return area 11. The lower part of the impeller 3 is located in the water return area 11. The upper part of the impeller 3 passes through the water inlet 21 at the bottom of the spray arm 2 and is located in the spray arm 2. The motor 4 is arranged at the outer bottom of the housing 1 and the motor shaft 41 passes through the bottom wall of the housing 1 and is connected to the impeller 3. The motor 4 drives the impeller 3 to rotate, thereby continuously drawing water in the water return area 11 into the spray arm 2, and then spraying it upward in the form of a water column through the spray hole of the spray arm 2 to clean the tableware.

[0025] An air inlet 12 is provided on the first side wall of the box body 1 for external air to enter the box body 1, and an exhaust port (not shown in the figure) is provided on the second side wall for moisture in the box body 1 to be discharged. An air inlet assembly 5 capable of heating the air entering the box body 1 is provided on the outer side wall of the box body 1. The input port of the air inlet assembly 5 is connected to an output port of a fan 51, and the other output port of the fan 51 extends from the bottom of the box body 1 into the box body 1 and is connected to the inner cavity of the spray arm 2.

[0026] The fan 51 is a centrifugal fan, and a gas inlet 513 is provided at the bottom of the fan 51. A first outlet 511 and a second outlet 512 are provided on the side wall of the fan 51. The first outlet 511 is connected to the air inlet assembly 5, and the second outlet 512 is connected to the spray arm 2. The above structure facilitates the realization of the two functions of drying and gassing by one power component.

[0027] A control structure 6 capable of controlling the opening of the air intake assembly 5 is provided at the inlet of the air intake assembly 5. This structure facilitates the air intake passage to be cut off when air is required during the cleaning process, so that the gas is concentrated and delivered to the spray arm to achieve air replenishment of the spray water column; however, during the drying process, the opening of the air intake assembly can be controlled to control the air input into the box to enter completely through the air intake or partially through the air intake and partially through the spray arm, so as to achieve the effect of drying the spray arm and tableware, and is conducive to eliminating the drying dead corner.

[0028] The control structure 6 includes a motor 61 and a partition 62. The partition 62 is inserted into the air intake assembly 5 from the outer wall of the air intake assembly 5 and can move forward and backward. The motor 61 is arranged outside the air intake assembly 5 and connected to the partition 62 to drive the partition 62 to move forward and backward. This structure facilitates the control of the opening of the air intake assembly.

[0029] The air intake assembly 5 of this embodiment includes an air intake pipe 52, a heating element 53 and a fan 51. The air intake pipe 52 has an air duct 521 in an inverted U-shaped structure. The first end of the U-shaped structure is connected to the air intake port 12 of the housing 1, and the second end of the U-shaped structure is connected to the first outlet port 511 of the fan 51. The heating element 53 is arranged in the air intake pipe 52 and close to the second end of the U-shaped structure. The above structure can heat the air supplied to the housing 1 through the heating element 53 to improve the drying effect of the tableware. The partition 62 is arranged close to the bottom of the heating element 53. When the partition 62 is completely located in the air intake pipe 52, the partition 62 isolates the outside air from the heating element 53. This structure can isolate the heating element 53 from the outside world when the washing machine is not in operation, thereby protecting it.

[0030] In this embodiment, the motor shaft 41 is hollow inside to form an air guide channel 411, the upper end of the motor shaft 41 is located in the spray arm 2, and the lower end of the motor shaft 41 is connected to the second output port 512 of the fan 51 through the air guide pipe 42. The above structure facilitates the stable addition of gas to the spray arm 2.

[0031] The spray arm 2 is hollow inside to form a flow channel 22 extending in the length direction. A water collecting chamber 23 for distributing fluid to the flow channel 22 is formed in the central part of the spray arm 2. A throat is formed between the water collecting chamber 23 and the flow channels 22 on both sides thereof. The upper part of the impeller 3 is located in the water collecting chamber 23. The upper end of the motor shaft 41 passes through the shaft hole in the center of the impeller 3 and is arranged corresponding to the inner top wall of the water collecting chamber 23. With the above structure, the gas output from the upper end of the motor shaft 41 can be quickly diverted to the flow channels 22 on both sides under the obstruction of the inner top wall of the water collecting chamber 23, avoiding being retained in the water collecting chamber 23 and affecting the water pumping efficiency.

[0032] The upper end of the motor shaft 41 is covered with a bubbling net 7 for cutting the air delivered to the spray arm 2 to form bubbles. This structure can quickly cut the gas output from the upper end of the motor shaft 41 into smaller bubbles to prevent the bubbles from being too large and affecting the cleaning effect.

[0033] The air intake assembly 5 provided in this embodiment can input the outside air into the box body 1 after washing is completed, and then use air convection to discharge the high-temperature and humid air in the box body 1, so as to achieve drying of the tableware; with the help of the power part fan 51 of the above-mentioned air intake assembly 5, the gas can be sprayed into the spray arm 2 at the same time. During the cleaning process, for different objects to be cleaned, a certain amount of gas can be input into the spray arm 2 per unit time by controlling the operating power of the fan 51, so as to form bubbles of different densities and quantities, so as to meet more cleaning needs of consumers.

[0034] In the specification and claims of the present invention, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. A cleaning machine, comprising a housing (1) and a spray arm (2), wherein the spray arm (2) is rotatably disposed in the housing (1) and arranged near the bottom of the housing (1), characterized in that: The first side wall of the box (1) is provided with an air inlet (12) for allowing outside air to enter the box (1), and the second side wall is provided with an air outlet for allowing moisture in the box (1) to be discharged. The outer side wall of the box (1) is provided with an air inlet assembly (5) capable of heating the air entering the box (1), the inlet of the air inlet assembly (5) being connected to an outlet of a fan (51), and the other outlet of the fan (51) extending from the bottom of the box (1) into the box (1) and communicating with the inner cavity of the spray arm (2).

2. The cleaning machine according to claim 1, characterized in that: The fan (51) is a centrifugal fan (51), a gas inlet is provided at the bottom of the fan (51), a first outlet (511) and a second outlet (512) are provided on the side wall of the fan (51), the first outlet (511) is connected to the air inlet assembly (5), and the second outlet (512) is connected to the spray arm (2).

3. The cleaning machine according to claim 2, characterized in that: A control structure (6) capable of controlling the opening size of the air intake component (5) is arranged at the inlet of the air intake component (5).

4. The cleaning machine according to claim 3, characterized in that: The control structure (6) comprises a motor (61) and a partition (62); the partition (62) is inserted into the air intake assembly (5) from the outer wall of the air intake assembly (5) and can move forward and backward; the motor (61) is arranged outside the air intake assembly (5) and connected to the partition (62) to drive the partition (62) to move forward and backward.

5. The cleaning machine according to claim 4, characterized in that: The air intake assembly (5) comprises an air intake pipe (52), a heating element (53) and the fan (51); the air intake pipe (52) has an air duct (521) in an inverted U-shaped structure; a first end of the U-shaped structure is connected to an air intake port (12) of the housing (1); a second end of the U-shaped structure is connected to a first outlet port (511) of the fan (51); and the heating element (53) is disposed in the air intake pipe (52) and is arranged close to the second end of the U-shaped structure.

6. The cleaning machine according to claim 5, characterized in that: The partition (62) is arranged close to the bottom of the heating element (53). When the partition (62) is completely located in the air inlet pipe (52), the partition (62) isolates the outside air from the heating element (53).

7. The cleaning machine according to any one of claims 1 to 6, characterized in that: It also comprises an impeller (3) and a first motor (4); a concave water return area (11) is provided at the bottom of the housing (1); the spray arm (2) is rotatably arranged in the housing (1) and is arranged close to the water return area; the lower part of the impeller (3) is located in the water return area (11); the upper part of the impeller (3) passes through the water inlet at the bottom of the spray arm (2) and is located in the spray arm (2); the first motor (4) is arranged at the outer bottom of the housing (1) and the motor shaft (41) passes through the bottom wall of the housing (1) and is connected to the impeller (3).

8. The cleaning machine according to claim 7, characterized in that: The motor shaft (41) is hollow inside to form an air guide channel (411); the upper end of the motor shaft (41) is located in the spray arm (2); and the lower end of the motor shaft (41) is connected to the second output port (512) of the fan (51) via an air guide pipe (42).

9. The cleaning machine according to claim 8, characterized in that: The spray arm (2) is hollow inside to form a flow channel (22) extending in the length direction. A water collecting chamber (23) for distributing fluid to the flow channel (22) is formed in the central portion of the spray arm (2). A throat portion is formed between the water collecting chamber (23) and the flow channels (22) on both sides thereof. The upper portion of the impeller (3) is located in the water collecting chamber (23). The upper end of the motor shaft (41) passes through the shaft hole in the center of the impeller (3) and is arranged corresponding to the inner top wall of the water collecting chamber (23).

10. The cleaning machine according to claim 8, characterized in that: The upper end of the motor shaft (41) is covered with a bubble net (7) for cutting the air supplied to the spray arm (2) to form bubbles.

Images