Cleaning machine

Abstract

The cleaning machine comprises a water tank, a door body and a switch assembly, the rear edge of the door body is rotationally connected to the rear edge of an opening in the top of the water tank, a sinking table groove is formed in the periphery of the opening in the top of the water tank, in the door closing state, the door body is located in the sinking table groove, and the rear edge of the door body is rotationally restrained in the sinking table groove. The switch assembly can be arranged on the door body in a front-back moving mode, and in the door closing state, the rear portion of the switch assembly covers a gap formed between the rear edge of the door body and the rear side wall of the sinking table groove. The switch assembly is arranged at the rear edge of the door body, so that mistaken touch of a switch key can be avoided, and user experience is improved; meanwhile, the switch assembly can move back and forth in a self-adaptive mode along with opening and closing of the door body and move backwards in the door closing state, so that a gap is covered, chippings are prevented from entering and bacteria are prevented from breeding, the switch assembly moves forwards in the opening and closing state, interference between the panel and the sinking table groove is avoided, and the user experience feeling is greatly improved.

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] The sink-type dishwasher adopts an upward-turning door body, and the switch assembly of the dishwasher is usually installed on the door body to facilitate user operation. For example, Chinese utility model patent ZL 202022830835.3 "A door body installation structure of a sink-type dishwasher" discloses a sink-type dishwasher including a door body structure.

[0003] In the above-mentioned existing dishwashers, the adhesive bracket of the switch assembly is usually fastened to the door frame by screws, the door glass is bonded to the adhesive bracket and the door frame, and the switch assembly is located in the interlayer between the door frame and the door glass. The damping shaft of the door body is installed at the rear end of the door body frame, and the door body rotates around the center of the shaft in the sink of the trough panel to open and close.

[0004] For sink dishwashers with a sunken door, it is inevitable that when the door is closed, there will be a gap between the rear edge of the door and the sunken groove. The existence of this gap is not only unsightly, but also difficult to clean if small pieces of food get into the gap. Since water often accumulates in the sunken groove, mold and bacteria will grow over time. Utility Model Content

[0005] The first technical problem to be solved by the utility model is to provide a cleaning machine which can cover the gap in a closed state to prevent debris from entering and bacteria from growing.

[0006] The second technical problem to be solved by the utility model is to provide a method for opening and closing the door of the above-mentioned cleaning machine in view of the current status of the prior art.

[0007] The technical solution adopted by the utility model to solve at least one of the above technical problems is:

[0008] A cleaning machine comprises a water tank, a door body and a switch assembly, wherein the rear edge of the door body is rotatably connected to the rear edge of the top opening of the water tank, a sinking groove is arranged on the periphery of the top opening of the water tank, and when the door is closed, the door body is located in the sinking groove, and the rear edge of the door body can be rotatably constrained in the sinking groove, and the switch assembly can be arranged on the door body so as to be movable forward and backward, and when the door is closed, the rear part of the switch assembly covers the gap formed between the rear edge of the door body and the rear side wall of the sinking groove.

[0009] The utility model sets the switch component at the rear edge of the door body, which can avoid accidental touching of the switch key and improve the user experience. At the same time, the switch component of the utility model can adaptively move forward and backward with the door opening and closing. It moves backward in the closed state to cover the gap to avoid the entry of debris and the breeding of bacteria. It moves forward in the switched state to avoid interference between the panel and the sink groove, which greatly improves the user experience.

[0010] The utility model also includes a driving structure capable of moving the switch assembly forward and backward, and the driving structure is connected to the side of the switch assembly through a gear set. The above structure is convenient for realizing adaptive movement of the switch assembly with the door opening and closing action.

[0011] Preferably, the driving structure includes a motor, a worm, a gear set and a rack arranged in the door body, the output shaft of the motor is connected to a worm, the worm is meshed with the gear set for transmission, the rack can move forward and backward on the side of the switch assembly and meshes with the gear set for transmission, and the side of the switch assembly is connected to the rack and moves synchronously with the rack. Guide grooves that can constrain and guide the switch assembly and the rack bottom can be provided in the door body to improve the stability of movement. With the above structure, the forward and backward movement of the switch assembly can be achieved through a stable and reliable structure.

[0012] Preferably, the gear set constitutes a motor reduction structure, and the gear set includes a first gear, a second gear, a third gear, and a fourth gear. The first gear is coaxially arranged with the second gear and the diameter of the first gear is larger than that of the second gear. The worm extends forward and backward and is meshed with the first gear. The second gear is located below the first gear and rotates synchronously with the first gear. The third gear is coaxially arranged with the fourth gear and the diameter of the third gear is larger than that of the fourth gear. The third gear is meshed with the second gear. The fourth gear is located above the third gear and rotates synchronously with the third gear. The tooth surface of the rack is arranged toward the fourth gear and is meshed with the fourth gear. The above structure realizes motor reduction on the one hand, and converts the transmission direction on the other hand to meet the reliable drive of the switch assembly to move forward and backward.

[0013] Preferably, a sensor for detecting the forward and backward movement distance of the switch assembly is provided in the door body, and the sensor is provided in the door body and arranged in front of the rack. The sensor can detect whether the switch assembly has moved into place according to the position of the rack, thereby improving the displacement accuracy of the switch assembly, avoiding interference when opening and closing the door, and covering the gap when closing the door.

[0014] In order to facilitate connection, a connecting block is provided on the front side wall of the switch assembly, and the rack is arranged close to the outer end wall of the switch assembly and is provided with a connecting arm extending outwardly so as to be positionally connected with the connecting block.

[0015] In the utility model, the switch assembly is accommodated in the door body, the top of the switch assembly is covered with a panel, and the rear edge of the panel is located behind the rear side wall of the switch assembly. In the closed state, the rear side wall of the switch assembly is arranged close to the rear side wall of the door body, and the rear edge of the panel extends to the rear side of the door body and covers the gap. With the above structure, the gap is covered by the panel.

[0016] Preferably, the door body has a receiving groove with an open top at the rear, the edge of which extends upward to form a mounting edge higher than the upper surface of the door body front, the switch assembly is arranged in the receiving groove so as to be movable forward and backward, and the panel is covered on the mounting edge so as to be movable forward and backward. The above structure is adopted to eliminate the resistance of the panel movement, so that the panel can move smoothly and maintain a beautiful appearance.

[0017] Preferably, the water tank comprises a first water tank and a second water tank arranged side by side, the door body is arranged on the top of the second water tank, a groove intersecting with the sink groove of the second water tank is formed at the top opening of the first water tank, a decoration is arranged at the rear of the groove, and when the door is closed, the decoration is substantially flush with the panel. The above structure can prevent water from overflowing and improve the exquisiteness of the product appearance.

[0018] Preferably, at least the upper surface of the front portion of the door body forms a water guiding slope, which is gradually inclined downward from the side edge of the second water tank away from the first water tank toward the first water tank. With such a structure, it is convenient to drain the accumulated water on the upper surface of the door body into the adjacent water tank in time, so that the door body can drain the water after washing the items.

[0019] The utility model also includes a top door assembly that can push up the front edge of the door body after washing is completed. After the washing machine is finished washing, there may be a large amount of hot and humid steam in the washing chamber. If the door is opened directly, the hot air will rush towards the user and may burn the user. Therefore, the top door assembly is set up. Before opening the door, a gap is first opened in the door body of the washing machine to allow the hot and humid steam to overflow through the gap. When the door is opened at a large angle, the problem of hot air rushing towards the user will not occur. The specific structure of the top door assembly is prior art and will not be described here.

[0020] Compared with the prior art, the advantages of the present invention are: the present invention sets the switch assembly at the rear edge of the door body, which can avoid accidental touching of the switch key and improve the user experience; at the same time, the switch assembly of the present invention can adaptively move forward and backward with the door body opening and closing, move backward in the closed state, thereby covering the gap to prevent debris from entering and bacteria from growing, and move forward in the switched state to avoid interference between the panel and the sink groove, greatly improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1This is a schematic diagram of the structure of an embodiment of the utility model (door closed state);

[0022] Figure 2 for Figure 1 Partial exploded view of

[0023] Figure 3 for Figure 2 Result schematic diagram of hidden part of the door body;

[0024] Figure 4 for Figure 3 A magnified view of part A;

[0025] Figure 5 It is a partial cross-sectional view of an embodiment of the utility model (during the door opening process). DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 5 As shown, the cleaning machine of this embodiment includes a water tank 1, a door body 2 and a switch assembly 3. The rear edge of the door body 2 is rotatably connected to the rear edge of the top opening of the water tank 1. A sink groove 121 is provided on the periphery of the top opening of the water tank 1. When the door is closed, the door body 2 is located in the sink groove 121, and the rear edge of the door body 2 can be rotatably constrained in the sink groove 121.

[0028] In this embodiment, the switch assembly 3 can be movably arranged on the door body 2. When the door is closed, the rear part of the switch assembly 3 covers the gap 21 formed between the rear edge of the door body 2 and the rear side wall of the sink groove 121.

[0029] Specifically, the switch assembly 3 is accommodated in the door body 2, and the top of the switch assembly 3 is covered with a panel 32. The area of ​​the panel 32 is larger than the area of ​​the switch assembly body. From a top view, the front edge of the panel 32 is located in front of the front side wall of the switch assembly 3, the rear edge of the panel 32 is located behind the rear side wall of the switch assembly 3, and the side edge of the panel 32 is located outside the side edge of the switch assembly 3. In the closed state, the rear side wall of the switch assembly 3 is arranged close to the rear inner wall of the door body 2, and the rear edge of the panel 32 extends to the rear side of the door body 2 and covers the gap 21. With the above structure, the gap is covered by the panel.

[0030] The door body 2 has an open top receiving groove 22 at the rear, and the edge of the receiving groove 22 extends upward to form a mounting edge 23 higher than the upper surface of the front portion of the door body 2. The switch assembly 3 is arranged in the receiving groove 22 so as to be movable forward and backward, and the panel 32 is movable forward and backward and covers the mounting edge 23. The above structure is adopted to eliminate the resistance to the movement of the panel 32, so that the panel 32 can move smoothly and maintain a beautiful appearance.

[0031] In this embodiment, the switch assembly 3 is arranged at the rear edge of the door body 2, which can avoid accidental touching of the switch key and improve the user experience. At the same time, the switch assembly 3 of this embodiment can adaptively move forward and backward with the opening and closing of the door body 2. It moves backward in the closed state to cover the gap 21 to prevent debris from entering and bacteria from growing, and moves forward in the switched state to avoid interference between the panel 32 and the sink groove 121, greatly improving the user experience.

[0032] This embodiment is provided with a driving structure 4 that can move the switch assembly 3 forward and backward, and the driving structure 4 is connected to the side of the switch assembly 3 through a gear set. The above structure facilitates the adaptive movement of the switch assembly with the door opening and closing action.

[0033] Specifically, the driving structure 4 includes a motor 41, a worm 42, a gear set 43 and a rack 44 arranged in the door body 2. The output shaft of the motor 41 is connected to the worm 42, and the worm 42 is meshed with the gear set 43 for transmission. The rack 44 can move forward and backward on the side of the switch assembly 3 and meshes with the gear set 43 for transmission. The side of the switch assembly 3 is connected to the rack 44 and moves synchronously with the rack 44. Guide grooves that can constrain and guide the switch assembly 3 and the rack 44 can be provided in the door body 2 at the bottom of the switch assembly 3 and the rack 44 to improve the movement stability. With the above structure, the forward and backward movement of the switch assembly can be achieved through a stable and reliable structure.

[0034] The gear set 43 constitutes a deceleration structure of the motor 41. The gear set 43 includes a first gear 431, a second gear 432, a third gear 433, and a fourth gear 434. The first gear 431 is coaxially arranged with the second gear 432, and the diameter of the first gear 431 is larger than that of the second gear 432. The worm 42 extends forward and backward and is meshed with the first gear 431. The second gear 432 is located below the first gear 431 and rotates synchronously with the first gear 431. The third gear 433 is coaxially arranged with the fourth gear 434, and the diameter of the third gear 433 is larger than that of the fourth gear 434. The third gear 433 is meshed with the second gear 432. The fourth gear 434 is located above the third gear 433 and rotates synchronously with the third gear 433. The tooth surface of the rack 44 is arranged toward the fourth gear 434 and is meshed with the fourth gear 434. The above structure realizes the deceleration of the motor 41 on the one hand, and converts the transmission direction on the other hand to meet the reliable drive of the switch assembly 3 to move forward and backward.

[0035] The door body 2 is provided with a sensor 5 for detecting the forward and backward movement distance of the switch assembly 3. The sensor 5 is provided in the door body 2 and arranged in front of the rack 44. The sensor 5 can detect whether the switch assembly 3 is moved into place according to the position of the rack 44, thereby improving the displacement accuracy of the switch assembly 3, avoiding interference when opening and closing the door, and covering the gap when closing the door.

[0036] For easy connection, a connecting block 31 is provided on the front side wall of the switch assembly 3 , and the rack 44 is arranged close to the outer end wall of the switch assembly 3 and is provided with a connecting arm 441 extending outwardly to be positionally connected with the connecting block 31 .

[0037] The water tank 1 of this embodiment includes a first water tank 11 and a second water tank 12 arranged side by side, and the door body 2 is arranged on the top of the second water tank 12. A groove 111 is formed at the top opening of the first water tank 11, which is connected with the sink groove 121 of the second water tank 12. A decoration 112 is arranged at the rear of the groove 111. In the closed state, the rear edge of the decoration 112 is substantially flush with the rear edge of the panel 32. The above structure can prevent the overflow of accumulated water on the one hand, and improve the exquisiteness of the product appearance on the other hand.

[0038] The upper surface of at least the front portion of the door body 2 forms a water guide slope 20, which is gradually inclined downward from the side edge of the second water tank 12 away from the first water tank 11 toward the first water tank 11. With such a structure, it is convenient to drain the accumulated water on the upper surface of the door body 2 into the adjacent water tank in time, so that the door body has the function of draining water after washing items.

[0039] This embodiment also includes a top door assembly 6 that can push up the front edge of the door body 2 after washing is completed. After the washing machine is finished washing, there may be a large amount of hot and humid steam in the washing chamber. If the door is opened directly, the hot air will rush towards the user and may burn the user. Therefore, the top door assembly is set up. Before opening the door, a gap is first opened in the door body of the washing machine to allow the hot and humid steam to overflow through the gap. When the door is opened at a large angle, the hot air will not rush towards the user. The specific structure of the top door assembly is prior art and will not be described here.

[0040] The door opening and closing method of the cleaning machine in this embodiment:

[0041] In the door closing state, the switch assembly 3 is located at the rear edge of the door body 2, and the rear portion of the switch assembly 3 covers the gap 21 formed between the rear edge of the door body 2 and the rear side wall of the sink groove 121;

[0042] When opening the door, the user presses the door opening button on the switch assembly 3, and the switch assembly 3 starts to move forward. At the same time, the top door assembly 6 gradually pushes the front edge of the door body 2 upward. The movement time of the switch assembly 3 is less than the time for the top door assembly 6 to push the door body upward. The switch assembly 3 moves forward for a set distance and then maintains it, so that the door body is within the opening and closing range of 0 to 100 degrees, and the rear edge of the switch assembly 3 does not interfere with the sink groove 121;

[0043] When closing the door, the user flips the door body 2 downward and presses the door body 2. When the door body 2 is fully closed, the switch assembly 3 begins to move backward until the rear part of the switch assembly 3 covers the gap 21 formed between the rear edge of the door body 2 and the rear side wall of the sink groove 121 and maintains it.

[0044] 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 water tank (1), a door body (2) and a switch assembly (3), wherein the rear edge of the door body (2) is rotatably connected to the rear edge of the top opening of the water tank (1), a sinking groove (121) is arranged on the periphery of the top opening of the water tank (1), and in a closed state, the door body (2) is located in the sinking groove (121), and the rear edge of the door body (2) can be rotatably constrained in the sinking groove (121), characterized in that: The switch assembly (3) is arranged on the door body (2) so as to be movable forward and backward. When the door is closed, the rear part of the switch assembly (3) covers the gap (21) formed between the rear edge of the door body (2) and the rear side wall of the sink groove (121).

2. The cleaning machine according to claim 1, characterized in that: It also includes a driving structure (4) capable of moving the switch assembly (3) forward and backward, and the driving structure (4) is connected to the side of the switch assembly (3) through a gear set (43).

3. The cleaning machine according to claim 2, characterized in that: The driving structure (4) comprises a motor (41), a worm (42), a gear set (43) and a rack (44) arranged in the door body (2); the worm (42) is connected to the output shaft of the motor (41); the worm (42) is meshed with the gear set (43) for transmission; the rack (44) can move forward and backward on the side of the switch component (3) and is meshed with the gear set (43) for transmission; the side of the switch component (3) is connected to the rack (44) and moves synchronously with the rack (44).

4. The cleaning machine according to claim 3, characterized in that: The gear set (43) constitutes a speed reduction structure of the motor (41), and the gear set (43) comprises a first gear (431), a second gear (432), a third gear (433), and a fourth gear (434). The first gear (431) and the second gear (432) are coaxially arranged, and the diameter of the first gear (431) is larger than that of the second gear (432). The worm (42) extends forward and backward and is meshed with the first gear (431). The second gear (432) is located between the first gear (431) and the second gear (432). The third gear (433) is coaxially arranged with the fourth gear (434) and the diameter of the third gear (433) is larger than the diameter of the fourth gear (434). The third gear (433) is meshingly connected with the second gear (432). The fourth gear (434) is located above the third gear (433) and rotates synchronously with the third gear (433). The tooth surface of the rack (44) is arranged toward the fourth gear (434) and is meshingly connected with the fourth gear (434).

5. The cleaning machine according to claim 3, characterized in that: A sensor (5) for detecting the forward and backward movement distance of the switch assembly (3) is arranged in the door body (2); the sensor (5) is arranged in the door body (2) and corresponds to the front side of the rack (44).

6. The cleaning machine according to claim 3, characterized in that: The front side wall of the switch assembly (3) is provided with a connecting block (31), and the rack (44) is arranged close to the outer end wall of the switch assembly (3) and is provided with a connecting arm (441) extending outwards to be positionally connected with the connecting block (31).

7. The cleaning machine according to any one of claims 1 to 6, characterized in that: The switch assembly (3) is accommodated in the door body (2), the top of the switch assembly (3) is covered with a panel (32), and the rear edge of the panel (32) is located behind the rear side wall of the switch assembly (3); in a closed state, the rear side wall of the switch assembly (3) is arranged close to the rear side wall of the door body (2), and the rear edge of the panel (32) extends to the rear side of the door body (2) and covers the gap (21).

8. The cleaning machine according to claim 7, characterized in that: The door body (2) has a receiving groove (22) with an open top at the rear, and the edge of the receiving groove (22) extends upward to form an assembly edge (23) higher than the upper surface of the front portion of the door body (2). The switch assembly (3) is arranged in the receiving groove (22) so as to be movable forward and backward, and the panel (32) is arranged to cover the assembly edge (23) so as to be movable forward and backward.

9. The cleaning machine according to any one of claims 1 to 6, characterized in that: The water tank (1) comprises a first water tank (11) and a second water tank (12) arranged side by side, the door body (2) (2) being arranged on the top of the second water tank (12), a groove (111) being formed at the top opening of the first water tank (11) and being connected to a sink groove (121) (121) of the second water tank (12), a decoration (112) being arranged at the rear of the groove (111), and when the door is closed, the rear edge of the decoration (112) is substantially flush with the rear edge of the switch assembly (3).

10. The cleaning machine according to claim 9, characterized in that: At least the upper surface of the front portion of the door body (2) forms a water guiding slope (20), which is arranged to gradually slope downward from the side edge of the second water trough (12) away from the first water trough (11) toward the first water trough (11).

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