Door body for cleaning machine, cleaning machine and door opening and closing method

Abstract

The invention relates to a door body for a cleaning machine, the cleaning machine and a door opening and closing method, the door body comprises a door main body, the front side wall of the door main body is provided with an operation screen which is arranged close to the top edge of the door main body and is in electric signal connection with a switch assembly, and the door body further comprises a first panel; the width of the first panel is consistent with that of the door body, the first panel can be restrained at the top edge of the door body in an up-down moving mode, and when the first panel moves downwards till the top edge of the first panel is flush with the top edge of the door body, the operation screen is covered with the baffle; when the first panel moves upwards until the upper part of the first panel is exposed out of the door main body, the operation screen is exposed, and the part, exposed out of the door main body, of the first panel forms a door handle. The first panel can be used for preventing false triggering, an invisible door handle is further formed, when the operation screen is exposed, the part, exposed above the door body, of the first panel can be conveniently used as the door handle, door opening operation is facilitated, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of dishwashers, and in particular to a door body for a washing machine, a washing machine and a door opening and closing method. Background Art

[0002] The main function of a dishwasher is to wash dishes. With the continuous improvement of people's living standards, dishwashers have been used more and more widely, and users have more and more requirements on the appearance and comfort of dishwashers. The door handle on the dishwasher is not only convenient for users to open or close the dishwasher door, but also has a decorative effect. In the prior art, the handle only has the function of a handle, and various designs only change the appearance or type (external / embedded), and there is no excessive development and design of other additional functions that the handle can have.

[0003] The control of the existing dishwasher is an integrated circuit board and display screen, and the dishwasher is controlled by buttons or a touch screen on the surface. It is easy to cause accidental touches and stains to accumulate on the main body of the dishwasher, and it is difficult for users to have a good user feedback experience. Summary of the invention

[0004] The first technical problem to be solved by the present invention is to provide a door body for a cleaning machine that can cover or not cover the operating screen according to usage requirements to avoid accidental touches, protect the screen and facilitate door opening operations in response to the current status of the existing technology.

[0005] The second technical problem to be solved by the present invention is to provide a cleaning machine using the above-mentioned door body in view of the current status of the prior art.

[0006] The third technical problem to be solved by the present invention 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 present invention to solve at least one of the above technical problems is:

[0008] A door body for a cleaning machine comprises a door body, the door body is formed with a accommodating cavity for installing a switch assembly, the front side wall of the door body is provided with an operation screen arranged near its top edge and connected to the electrical signal of the switch assembly, and also comprises a first panel, the first panel is consistent with the width of the door body and can be constrained at the top edge of the door body so as to move up and down, when the first panel moves downward to a state where its top edge is flush with the top edge of the door body, the operation screen is covered by a baffle; when the first panel moves upward to a state where its upper part is exposed above the door body, the operation screen is exposed, and the part of the first panel exposed above the door body constitutes a door handle.

[0009] The present invention provides an operating screen arranged near the top edge on the front side of the door body, and provides a first panel that can move up and down to expose the operating screen. When the first panel covers the operating screen, the operating screen can be prevented from being accidentally triggered, and the first panel can protect the operating screen from being dirty, etc. The first panel of the present invention also forms an invisible door handle. When the operating screen is exposed, the portion of the first panel exposed above the door body can be used as a door handle to facilitate the door opening operation, and is easy to use.

[0010] The present invention also includes a second panel, which covers the front side wall of the door body and is located below the first panel. When the first panel covers the operation screen, the first panel and the second panel are connected to each other to form a complete door panel. Both the first panel and the second panel can be made of glass or other plates suitable for aesthetics. When the cleaning machine is not in use, the two panels are matched to each other to form a whole, which looks more beautiful.

[0011] Preferably, a notch is provided on the front side of the door body near the top edge, and correspondingly, a protrusion that can pass through the notch is provided on the back side of the first panel, and the protrusion cooperates with the up and down guide of the door body. This structure facilitates the up and down movement of the first panel relative to the door body.

[0012] Preferably, the door body is provided with a first guide wall bent toward the back at the top edge of the notch, and correspondingly, the back of the first panel is provided with a second guide wall that can slide up and down and is sleeved outside the first guide wall. The cross-sections of the first guide wall and the second guide wall are both U-shaped structures with an opening facing the front, and a supporting edge that can cooperate with the lower edge of the second guide wall to support the first panel is provided at the rear edge of the lower end of the first guide wall. The above structure is conducive to achieving the smooth movement of the first panel relative to the door body and improving the reliability of the first panel's lifting and lowering.

[0013] Preferably, the second guide wall is provided with a plurality of slits arranged at intervals in the transverse direction. The provision of the slits makes the second guide wall have a certain elasticity and cooperates more smoothly with the first guide wall, further improving the reliability of the up and down movement of the first panel.

[0014] In the present invention, a driving assembly for driving the first panel to move up and down is arranged in the accommodating cavity of the door body, and the driving assembly is connected to the back of the first panel. This structure facilitates the automatic lifting of the first panel.

[0015] Preferably, the driving assembly includes a motor and a reduction gearbox, the motor is constrained on the inner side wall of the door body, the output end of the motor is connected to the input end of the reduction gearbox, and the output end of the reduction gearbox is connected to the back of the first panel. This structure enables the first panel to be lifted up and down flexibly and reliably.

[0016] A cleaning machine comprises a box body, the front side of which is provided with an opening, and also comprises the above-mentioned door body, the lower edge of the door body being rotatably connected to the lower edge of the box opening and being used to close or open the opening, the rear side wall of the door body being provided with a door lock assembly near the top edge which can lock it with the top edge of the box body, the door lock assembly being connected with the switch assembly by electrical signals, and the front side wall of the door body being provided with a trigger key which is located below the first panel and is connected with the switch assembly by electrical signals.

[0017] A method for opening and closing the door of a cleaning machine, using the above cleaning machine, comprises the following steps:

[0018] When not in use, the first panel of the cleaning machine door is in the low position by default, that is, the operation screen is covered, and the operation screen cannot be operated at this time;

[0019] When the cleaning machine needs to be used, the trigger button is pressed, at which time the door motor rotates forward, driving the first panel to rise through the reduction gearbox, and the first panel rises to a high position, that is, when the operation screen is fully exposed, the upper part of the first panel serves as a handle for the user to open the door;

[0020] When entering the washing level, the door motor rotates in the reverse direction, driving the first panel to descend through the reduction gear box until the first panel returns to the low position, i.e. covering the operation screen, making it impossible to operate the operation screen. At this time, if the trigger button is pressed, the control level determines whether the washing water temperature is lower than 50°C through the sensor arranged in the washing chamber. If it is lower than 50°C, the washing program is paused, and the door motor rotates forward, driving the first panel to rise through the reduction gear box. When the first panel rises to a high position and the operation screen is fully exposed, the user can open the door. If the washing water temperature is not lower than 50°C, the first panel is kept in a low position and the operation screen is covered, and an alarm is sounded. If the user presses the trigger button again, the first panel is controlled to rise to a high position, exposing the operation screen, and the user can open the door.

[0021] Compared with the prior art, the advantages of the present invention are: the present invention provides an operating screen arranged close to the top edge on the front side of the door body, and provides a first panel that can move up and down to expose the operating screen. When the first panel covers the operating screen, the operating screen can be avoided from being accidentally triggered, and protected by the first panel, malfunction problems caused by dirt on the operating screen can be avoided. The first panel of the present invention also forms an invisible door handle. When the operating screen is exposed, the part of the first panel exposed above the door body can be used as a door handle to facilitate the door opening operation, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the door body of an embodiment of the present invention (with the operating screen exposed);

[0023] Figure 2 This is a schematic diagram of the structure of the door body according to an embodiment of the present invention (the operating screen is blocked);

[0024] Figure 3 for Figure 1 Schematic diagram of the back structure;

[0025] Figure 4 for Figure 3 A schematic diagram of the structure of the door body with a hidden part;

[0026] Figure 5 for Figure 3 sectional view of . DETAILED DESCRIPTION

[0027] The present invention is further described in detail below with reference to the accompanying drawings.

[0028] like Figures 1 to 5 As shown, the door body of the cleaning machine in this embodiment includes a door body 1, the door body 1 is formed with a accommodating cavity 11 for installing a switch assembly, the front side wall of the door body 1 is provided with an operation screen 2 arranged near its top edge and connected to the electrical signal of the switch assembly, and also includes a first panel 10, the first panel 10 is consistent with the width of the door body 1 and can be constrained at the top edge of the door body 1 so as to move up and down, when the first panel 10 moves downward to a state where its top edge is flush with the top edge of the door body 1, the operation screen 2 is covered by the baffle; when the first panel 10 moves upward to a state where its upper part is exposed above the door body 1, the operation screen 2 is exposed, and the portion of the first panel 10 exposed above the door body 1 constitutes a door handle.

[0029] In this embodiment, an operating screen 2 arranged near the top edge is provided on the front side of the door body 1, and a first panel 10 that can be moved up and down to expose the operating screen 2 is provided. When the first panel 10 covers the operating screen 2, the operating screen 2 can be prevented from being accidentally triggered, and the first panel 10 can protect the operating screen 2 from being dirty, etc. The first panel 10 of the present invention also forms an invisible door handle. When the operating screen 2 is exposed, the portion of the first panel 10 exposed above the door body 1 can be used as a door handle to facilitate the door opening operation, which is easy to use.

[0030] This embodiment also includes a second panel 20, which covers the front side wall of the door body 1 and is located below the first panel 10. When the first panel 10 covers the operation screen 2, the first panel 10 and the second panel 20 are connected to each other to form a complete door panel. Both the first panel 10 and the second panel 20 can be made of glass or other plates suitable for aesthetics. When the cleaning machine is not in use, the two panels are matched to each other to form a whole, which looks more beautiful.

[0031] The front side of the door body 1 is provided with a notch 12 near the top edge, and correspondingly, the back side of the first panel 10 is provided with a protrusion 101 that can pass through the notch 12, and the protrusion 101 cooperates with the up and down guide of the door body 1. This structure facilitates the up and down movement of the first panel 10 relative to the door body 1.

[0032] The door body 1 is provided with a first guide wall 13 bent toward the back at the top edge of the notch 12, and correspondingly, the back of the first panel 10 is provided with a second guide wall sleeved outside the first guide wall 13 and capable of sliding up and down, and the second guide wall is the protrusion 101. The cross-sections of the first guide wall 13 and the second guide wall are both U-shaped structures with an opening, and a supporting edge 131 that can cooperate with the lower edge of the second guide wall to support the first panel 10 is provided at the rear edge of the lower end of the first guide wall 13. The above structure is conducive to achieving the smooth movement of the first panel 10 relative to the door body 1 and improving the reliability of the first panel 10 rising and falling.

[0033] The second guide wall is provided with a plurality of slits 102 arranged at intervals in the transverse direction. The provision of the slits 102 makes the second guide wall have a certain elasticity and cooperates more smoothly with the first guide wall 13, further improving the reliability of the up and down movement of the first panel 10.

[0034] In this embodiment, a driving assembly 3 for driving the first panel 10 to move up and down is disposed in the accommodating cavity 11 of the door body 1, and the driving assembly 3 is connected to the back of the first panel 10. This structure facilitates the automatic lifting of the first panel 10.

[0035] The driving assembly 3 includes a motor 31 and a reduction gearbox 32. The motor 31 is constrained on the inner wall of the door body 1. The output end of the motor 31 is connected to the input end of the reduction gearbox 32. The output end of the reduction gearbox 32 is connected to the back of the first panel 10. This structure allows the first panel 10 to be lifted up and down flexibly and reliably.

[0036] The cleaning machine of this embodiment includes a box body (not shown in the figure), the front side of the box body is provided with an opening, and also includes the above-mentioned door body, the lower edge of the door body is rotatably connected to the lower edge of the box opening and is used to close or open the opening, and the rear side wall of the door body 1 is provided with a door lock assembly 4 near the top edge, which can lock it with the top edge of the box body, and the door lock assembly 4 is electrically connected to the switch assembly. The front side wall of the door body 1 is also provided with a trigger key located below the first panel 10 and electrically connected to the switch assembly.

[0037] The above-mentioned method for opening and closing the door of the cleaning machine comprises the following steps:

[0038] When not in use, the first panel 10 of the cleaning machine door is in a low position by default, that is, the operation screen 2 is covered, and the operation screen 2 cannot be operated at this time;

[0039] When the cleaning machine needs to be used, the trigger button is pressed, and at this time, the door motor 31 rotates forward, driving the first panel 10 to rise through the reduction gear box 32, and the first panel 10 rises to a high position, that is, when the operation screen 2 is fully exposed, the upper part of the first panel 10 is used as a handle for the user to open the door;

[0040] When entering the washing level, the door motor 31 rotates in the reverse direction, driving the first panel 10 to descend through the reduction gear box 32 until the first panel 10 returns to the low position, that is, the operation screen 2 is covered, and the operation screen 2 cannot be manipulated; at this time, if the trigger key is pressed, the control level determines whether the washing water temperature is lower than 50°C through the sensor arranged in the washing chamber. If it is lower than 50°C, the washing program is paused, and the door motor 31 rotates forward, driving the first panel 10 to rise through the reduction gear box 32. When the first panel 10 rises to a high position and the operation screen 2 is fully exposed, the user can open the door; if the washing water temperature is not lower than 50°C, the first panel 10 is kept in a low position and the operation screen 2 is covered, and an alarm is issued. If the user presses the trigger key again, the first panel 10 is controlled to rise to a high position to expose the operation screen 2, and the user can open the door.

[0041] The above method can not only cover or not cover the operation screen according to usage requirements to avoid accidental touches, protect the screen and facilitate door opening operations, but also improve high temperature protection during the washing process.

[0042] 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 door body for a washing machine, comprising a door body, the door body forming a receiving cavity for installing a switch assembly, the front side wall of the door body being provided with an operation screen arranged near the top edge thereof and connected to the switch assembly by electrical signals, characterized in that: It also includes a first panel, which matches the width of the door body and can be constrained at the top edge of the door body so as to move up and down. When the first panel moves downward until its top edge is flush with the top edge of the door body, the operating screen is covered by the baffle. When the first panel moves upward until its upper part is exposed above the door body, the operating screen is exposed, and the part of the first panel exposed above the door body constitutes a door handle.

2. The door body for a cleaning machine according to claim 1, characterized in that: It also includes a second panel, which covers the front side wall of the door body and is located below the first panel. When the first panel covers the operation screen, the first panel and the second panel are connected to each other to form a complete door panel.

3. The door body for a cleaning machine according to claim 1, characterized in that: A notch is provided on the front side of the door body near the top edge, and correspondingly, a protrusion that can pass through the notch is convexly provided on the back side of the first panel, and the protrusion cooperates with the upper and lower guides of the door body.

4. The door body for a cleaning machine according to claim 3, characterized in that: The door body is provided with a first guide wall bent toward the back at the top edge of the notch, and correspondingly, the back of the first panel is provided with a second guide wall sleeved outside the first guide wall and capable of sliding up and down.

5. The door body for a cleaning machine according to claim 4, characterized in that: The cross sections of the first guide wall and the second guide wall are both open-facing U-shaped structures, and a supporting edge is provided at the rear edge of the lower end of the first guide wall to cooperate with the lower edge of the second guide wall to support the first panel.

6. The door body for a cleaning machine according to claim 4, characterized in that: The second guide wall is provided with a plurality of slit grooves arranged at intervals in the transverse direction.

7. The door body for a cleaning machine according to any one of claims 1 to 6, characterized in that: A driving assembly for driving the first panel to move up and down is arranged in the accommodating cavity of the door body, and the driving assembly is connected to the back of the first panel.

8. The door body for a cleaning machine according to claim 7, characterized in that: The driving assembly includes a motor and a reduction gear box. The motor is constrained on the inner wall of the door body. The output end of the motor is connected to the input end of the reduction gear box. The output end of the reduction gear box is connected to the back of the first panel.

9. A cleaning machine, comprising a box, wherein the front side of the box is provided with an opening, characterized in that: It also includes the door body described in any one of claims 1 to 8, wherein the lower edge of the door body is rotatably connected to the lower edge of the opening of the box and is used to close or open the opening, and the rear side wall of the door body is provided with a door lock assembly near the top edge that can lock it with the top edge of the box, and the door lock assembly is electrically connected to the switch assembly by signal, and the front side wall of the door body is also provided with a trigger key located below the first panel and electrically connected to the switch assembly by signal.

10. A method for opening and closing a door of a cleaning machine, characterized in that: The cleaning machine according to claim 9 comprises the following steps: When not in use, the first panel of the cleaning machine door is in the low position by default, that is, the operation screen is covered, and the operation screen cannot be operated at this time; When the cleaning machine needs to be used, the trigger button is pressed, at which time the door motor rotates forward, driving the first panel to rise through the reduction gearbox, and the first panel rises to a high position, that is, when the operation screen is fully exposed, the upper part of the first panel serves as a handle for the user to open the door; When entering the washing level, the door motor rotates in the reverse direction, driving the first panel to descend through the reduction gear box until the first panel returns to the low position, i.e. covering the operation screen, making it impossible to operate the operation screen. At this time, if the trigger button is pressed, the control level determines whether the washing water temperature is lower than 50°C through the sensor arranged in the washing chamber. If it is lower than 50°C, the washing program is paused, and the door motor rotates forward, driving the first panel to rise through the reduction gear box. When the first panel rises to a high position and the operation screen is fully exposed, the user can open the door. If the washing water temperature is not lower than 50°C, the first panel is kept in a low position and the operation screen is covered, and an alarm is sounded. If the user presses the trigger button again, the first panel is controlled to rise to a high position, exposing the operation screen, and the user can open the door.

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