CN219480001U - Dish washer, door body and button subassembly thereof - Google Patents

Abstract

The application belongs to the technical field of dish washing machines and provides a key assembly which comprises a surface cover, a mounting seat, an electric control plate and a bottom cover, wherein the surface cover is provided with at least three trigger rods which are distributed on the surface cover in a polygonal shape; the mounting seat is provided with elastic pieces and perforations the same as the trigger rods in number, the surface cover is abutted against the elastic pieces and arranged on one side of the mounting seat, and the trigger rods on the surface cover penetrate through the perforations and extend to the other side of the mounting seat; the electric control board is provided with a triggering part for the triggering rod to collide, and the triggering part corresponds to the perforation position on the mounting seat; the bottom cover is arranged on the other side of the mounting seat, and the electric control plate is accommodated in the bottom cover. The application also provides a dish washer door body with the key assembly and a dish washer adopting the door body. The application improves the key structure on the door body of the dish washer to solve the technical problem that the trigger sensitivity of actual operation is easily deteriorated due to the large-size key structure in the prior art.

Description

Dish washer, door body and button subassembly thereof

Technical Field

The application belongs to the technical field of dish washers, and particularly relates to a dish washer, a door body and a key assembly thereof.

Background

At present, a household dish washer on the market is generally provided with a door body capable of opening and closing in front of the dish washer, and the door body is provided with a control panel which is used for man-machine interaction so as to facilitate a user to control and operate the machine. In order to improve user experience, some models are provided with a main key with larger volume on a control panel, the main key is generally used as a switching key of the whole machine, even some main keys can emit light, the aesthetic sense is improved, and a user can easily find and operate the main key to realize the on-off operation of the machine.

The key structure adopted in the prior art is that the key at least comprises an electric control board and a face cover for being pressed by hands, the electric control board is provided with a triggering part, and a triggering piece is arranged between the face cover and the electric control board. When the user presses the surface cover, the trigger piece is driven to trigger the trigger part on the electric control board, so that a trigger signal is generated.

However, because the main key is large in size, the area of the surface cover is large, the central part of the surface cover is difficult to be accurately pressed by a human hand, namely, most of operations can only press the outer parts except the central part of the surface cover, so that the surface cover cannot stably drive the trigger piece to trigger the trigger part on the electric control board, the response effect is poor, even the response cannot occur, the key sensitivity is low, the user needs to repeatedly operate, and the actual use is influenced.

Disclosure of Invention

An object of the embodiment of the application is to provide a dish washer, a door body and button subassembly thereof, improve the button structure to solve the technical problem that the trigger sensitivity of actual operation is poor that the bulky button structure of prior art leads to.

In order to achieve the above purpose, the technical scheme provided by the application is as follows: there is provided a key assembly comprising:

the surface cover is provided with at least three trigger rods, and the at least three trigger rods are distributed on the surface cover in a polygonal shape;

the surface cover is abutted with the elastic piece and arranged on one side of the mounting seat, and the trigger rods on the surface cover penetrate through the perforations and extend to the other side of the mounting seat;

the electric control plate is provided with a trigger part for the trigger rod to collide, and the trigger part corresponds to the perforation position on the mounting seat;

the bottom cover is arranged on the other side of the mounting seat, and the electric control plate is contained in the bottom cover.

The key assembly provided by the application has the beneficial effects that: compared with the prior art, the key assembly at least comprises a face cover, an installation seat, an electric control plate and a bottom cover, wherein the face cover and the bottom cover are respectively arranged on two sides of the installation seat, and the electric control plate is accommodated in the bottom cover. The face cover is provided with at least three trigger rods which are distributed in a polygonal shape, and the trigger rods penetrate through the through holes in the mounting seat and extend to the electric control plate, so that when a user presses the face cover, at least one or two of the trigger rods can contact the trigger part on the electric control plate. Because the face cover pressed by the hand is provided with at least three trigger rods, the trigger rods are distributed on the face cover in a polygonal shape, and the force applied by the hand on each area of the face cover can be transmitted to at least one or two of the trigger rods, and the trigger part on the electric control board is triggered in time under the drive of the face cover, so that the trigger sensitivity of the keys is effectively improved.

The structure of the face cover is improved, the face cover comprises a cover cap and a movable frame, the cover cap is arranged on the movable frame, the movable frame abuts against the elastic piece, and the movable frame is provided with the trigger rod. The face cover is composed of a part structure, and the movable frame is used as a functional part to realize corresponding pressing and triggering control operation. The cap is used as an appearance piece, so that the caps of different styles can be replaced, the variability of the appearance of the key is increased, and the transformation cost is effectively reduced.

Optionally, the mounting seat is provided with a mounting groove for mounting the elastic element, the surface cover is provided with a limiting groove for embedding the elastic element, and the elastic element is arranged between the surface cover and the mounting seat. Therefore, the groove bodies are respectively arranged on the mounting seat and the surface cover to limit the two ends of the elastic piece, so that the surface cover is prevented from easily shifting in the moving process, and the stability of the elastic piece in the deformation state is effectively improved.

The structure for connecting the face cover and the mounting seat is improved, the face cover is also provided with a clasp, and the mounting seat is provided with a clasp hole for the clasp to be buckled so as to limit the face cover on the mounting seat and prevent the face cover from falling off from the mounting seat.

Optionally, the mounting seat is further provided with an anti-tripping device located on the buckling hole, and the anti-tripping device abuts against the clasp buckled in the buckling hole. Therefore, the anti-tripping device is additionally arranged on the mounting seat, when the clasp on the face cover is buckled with the buckling hole at the other side of the mounting seat, the anti-tripping device is propped against the clasp from the side part, so that the clasp is kept to be buckled on the buckling hole, the face cover is effectively prevented from falling off, and the service life of the key is prolonged.

Optionally, the mounting seat is further provided with a surrounding edge surrounding the periphery of the buckling hole, and the clasp penetrates through the buckling hole and is buckled on the surrounding edge; one side of the surrounding edge is provided with a notch, and the anti-tripping device is arranged at the notch and abuts against the clasp. In this way, the anti-tripping device can be preferably an elastic plate matched with a notch on the peripheral edge in a shape, and the elastic plate has an acting force pushing upwards from the side part to the clasp, so that the clasp is kept fastened on the peripheral edge, and the fastening stability is effectively improved.

The structure of the bottom cover is improved, a movable anti-falling part is further arranged on the bottom cover, extends to the outer side of the buckling hole and abuts against the buckling hook buckled in the buckling hole. Therefore, the bottom cover is provided with the anti-tripping device, the clasp buckled into the buckling hole is propped and fixed, and the function of preventing the clasp from being separated is also achieved. In addition, set up anticreep spare on the bottom, be favorable to directly changing the bottom when anticreep spare damages to avoid changing whole mount pad, reduce cost of maintenance effectively.

Optionally, the bottom cover is provided with a protective cover and a containing groove for containing the electric control board, and the protective cover is covered on the containing groove; the protective cover is provided with a deformation part which can be concavely deformed under the action of stress, and the deformation part corresponds to the trigger part on the electric control plate. Therefore, the protective cover is additionally arranged on the bottom cover to cover the electric control plate so as to protect the electric control plate, effectively improve the sealing performance and play a role in preventing water, and avoid the electric control plate from electric accidents. The deformation part on the protective cover can be depressed and deformed under the pushing of the trigger rod, so that the other side of the deformation part can contact the trigger part on the electric control plate and generate a trigger signal, and the trigger stability is effectively ensured.

The application also provides a dish washer door body, which comprises a control panel, an outer door plate, an inner door plate and a key assembly, wherein the key assembly is arranged on the control panel, and at least part of the control panel is provided with the mounting seat; the control panel is connected with the outer door plate up and down, and the inner door plate is arranged on the control panel and the outer door plate. The key assembly is integrally formed on the control panel, so that the fusion performance is effectively improved.

The application also provides a dish-washing machine, which comprises the dish-washing machine door body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a door body of a dishwasher according to an embodiment of the present application;

fig. 2 is a schematic perspective view of a control panel according to an embodiment of the present application;

fig. 3 is a schematic diagram of an assembly structure of a control panel and a key assembly according to an embodiment of the present disclosure;

fig. 4 is an enlarged schematic view of the portion a in fig. 3;

fig. 5 is a schematic view of a three-dimensional structure of a face cover according to an embodiment of the present application;

fig. 6 is a schematic diagram of an explosion structure of a face cover according to an embodiment of the present application;

FIG. 7 is a partial cross-sectional view of a control panel provided with a key assembly according to an embodiment of the present application;

fig. 8 is a schematic diagram of an assembly structure of a face cover and a mounting seat according to an embodiment of the present disclosure;

FIG. 9 is a rear side structural view of a mount provided in an embodiment of the present application;

fig. 10 is a rear side structural view of a mounting seat when a face cover provided in an embodiment of the present application is disposed on the mounting seat;

fig. 11 is a schematic diagram of an assembled structure of a bottom cover and an electric control board according to an embodiment of the present disclosure;

FIG. 12 is a schematic view of the bottom structure of the protective cover according to the embodiment of the present application;

fig. 13 is a schematic view of an explosion structure of a door according to an embodiment of the present application;

fig. 14 is a schematic view of an assembled structure of a control panel and an outer door panel according to an embodiment of the present disclosure;

fig. 15 is an assembly structure view of a decorative strip, a control panel and an outer door panel according to an embodiment of the present disclosure;

FIG. 16 is a schematic diagram of an explosion structure of a control panel according to an embodiment of the present disclosure;

fig. 17 is a schematic diagram of an explosion structure of a control panel according to an embodiment of the present application.

Wherein, each reference sign in the figure:

100-a control panel; 101-reinforcing grooves; 102-decorating strips; 103-a master control circuit board; 104-a receiving groove; 105-panel; 106-fixing frame; 107-a control circuit module; 108-avoiding grooves; 109-WIFI module;

200-a key assembly;

300-outer door panel;

400-inner door panel;

1-face cover; 11-a trigger lever; 12-capping; 13-a movable frame; 131-a limit groove; 132-clasp;

2-a mounting base; 21-an elastic member; 22-perforating; 23-mounting slots; 24-buckling holes; 25-anti-trip; 26-surrounding edges; 261-gap;

3-an electric control board; 31-a trigger part;

4-a bottom cover; 41-a protective cover; 411-deformation; 42-accommodating groove.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the related art, a large-sized switch key is generally provided on a door body of a dishwasher, so that a user can easily observe and operate the switch key. However, in practical application, because the volume of the key is larger, the area of the surface cover is also increased, and the user cannot accurately press the central part of the surface cover in practical operation, namely, most of finger pressing parts are all located in the area beyond the central part of the surface cover, so that the surface cover cannot stably trigger the triggering part on the electric control board, the response effect of the key is poor, the sensitivity of the key is low, the user needs to repeatedly operate, the practical use is affected, and the user complains about and complains about the quality problem of the machine.

Therefore, the embodiment of the application provides a novel dish washer, a door body and a key assembly thereof, and the novel dish washer, the door body and the key assembly are described in detail. Referring to fig. 1 and 2, in a dishwasher, the dishwasher comprises a door body of the dishwasher, a control panel 100 is provided on the door body, a key assembly 200 of the present application is provided on the control panel 100, and the key assembly 200 can be used as a main switch key of the machine. Referring to fig. 3 and fig. 4, the key assembly 200 at least includes a cover 1, a mounting base 2, an electric control board 3 and a bottom cover 4.

As shown in fig. 5, the surface cover 1 has at least three trigger bars 11, and the at least three trigger bars 11 are distributed on the surface cover 1 in a polygonal shape. The cover 1 can be shaped according to design requirements, in this embodiment, the cover 1 is preferably a circular cover. The area of the face cover 1 can be provided with a plane cover body with a larger area according to the whole arrangement of the door body. The three triggering levers 11 may preferably be distributed in a triangular shape on the face cover 1, so that the stress range of each area on the face cover 1 is achieved with a minimum number of triggering levers 11. In other embodiments, four trigger bars 11 may also be provided on the face cover 1, and the four trigger bars 11 may preferably be arranged on the face cover 1 in a rectangular shape, so that the trigger bars 11 respond quickly.

As shown in fig. 4, the mounting base 2 is provided with an elastic member 21 and through holes 22, and the elastic member 21 may preferably be a spring, and the number of through holes 22 is the same as that of the trigger bars 11. The surface cover 1 is abutted against the elastic piece 21 and arranged on one side of the mounting seat 2, and the trigger rod 11 on the surface cover 1 passes through the perforation 22 and extends to the other side of the mounting seat 2. In this embodiment, the mounting base 2 is preferably a part of the control panel 100, specifically may be a base body matching the shape of the above-mentioned cover 1, and the mounting base 2 is integrally formed on the control panel 100.

The electric control board 3 is provided with a triggering part 31 which is abutted against the triggering rod 11, and the triggering part 31 corresponds to the position of the through hole 22 on the mounting seat 2. The trigger portion 31 can be understood as a trigger point on a conventional key board, and generates a trigger signal when a pressure touch is applied.

The bottom cover 4 is disposed on the other side of the mounting base 2, and the electric control board 3 is accommodated in the bottom cover 4.

Compared with the prior art, the key assembly 200 provided by the embodiment of the application at least comprises a face cover 1, a mounting seat 2, an electric control plate 3 and a bottom cover 4, wherein the face cover 1 and the bottom cover 4 are respectively arranged on two sides of the mounting seat 2, and the electric control plate 3 is accommodated in the bottom cover 4. The face cover 1 is provided with at least three trigger rods 11 distributed in a polygonal shape, and the trigger rods 11 penetrate through the through holes 22 on the mounting seat 2 and extend to the electric control plate 3, so that when a user presses the face cover 1, at least one or two trigger rods 11 can contact the trigger part 31 on the electric control plate 3. Because the face cover 1 pressed by a human hand is provided with at least three trigger rods 11, the trigger rods 11 are distributed on the face cover 1 in a polygonal shape, and the force applied by the human hand on each area of the face cover 1 can be transmitted to at least one or two trigger rods 11, and the trigger part 31 on the electric control board 3 is triggered in time under the driving of the face cover 1, so that the triggering sensitivity of the keys is effectively improved.

In the key assembly 200 of the present application, as described above, the cover 1 is preferably a circular cover, the trigger bars 11 may be only three and arranged on the cover 1 in a triangle shape, and in the case of adopting the minimum number of trigger bars 11, the stress requirements of each area on the cover 1 can be satisfied, so as to effectively reduce the processing cost and save the space, and further improve the compactness of each component on the key assembly 200.

In the embodiment of the present application, referring to fig. 6 and 7, the face cover 1 includes a cap 12 and a movable frame 13, the cap 12 is disposed on the movable frame 13, the movable frame 13 abuts against the elastic member 21, and the movable frame 13 is provided with the above-mentioned trigger lever 11. It can be seen that the face cover 1 is composed of a part structure, and the movable frame 13 is used as a functional part to realize corresponding pressing and triggering control operations. The cap 12 is used as an appearance piece, so that the cap 12 with different styles can be replaced, the variability of the appearance of the key is further increased, and the transformation cost is effectively reduced.

Referring to fig. 6, 7 and 8, the mounting base 2 has a mounting groove 23 for mounting the elastic member 21. In the present embodiment, the movable frame 13 of the cover 1 has a limiting groove 131 into which the elastic member 21 is inserted, so that the elastic member 21 is disposed between the movable frame 13 and the mounting base 2. In other embodiments, the cover 1 may also be provided with a limiting groove 131 into which the elastic member 21 is inserted, so as to achieve the same technical effect. Therefore, the grooves are respectively arranged on the mounting seat 2 and the movable frame 13 of the face cover 1 to limit the two ends of the elastic piece 21, so that the face cover 1 is prevented from being easily deviated in the moving process, and the stability of the elastic piece 21 in the deformation state is effectively improved.

For the connection structure between the face cover 1 and the mounting base 2, in the embodiment of the present application, please refer to fig. 6 and 8, a clasp 132 is further provided on the movable frame 13 of the face cover 1, and the mounting base 2 has a clasp hole 24 for the clasp 132 to be buckled, so as to limit the face cover 1 on the mounting base 2 and prevent the face cover 1 from falling off on the mounting base 2. In other embodiments, the clasp 132 may be directly arranged on the face cover 1 to achieve the same technical effect.

In this embodiment, the hook 132 on the movable frame 13 passes through the fastening hole 24 on the mounting base 2 from one side of the mounting base 2 and extends to the other side of the mounting base 2, and the hook portion on the hook 132 may be fastened to the fastening hole 24 on the other side of the mounting base 2.

The principle of the movement of the cover 1 can thus be understood as: under the action of external force (when pressed by a human hand), the surface cover 1 moves towards the electric control plate 3, so that the trigger rod 11 can trigger the trigger part 31 on the electric control plate 3 to generate a trigger signal; when the external force is removed (e.g. after the hand is removed from the key), the cover 1 is reset by the elastic member 21, and the hook portion of the clasp 132 on the movable frame 13 is buckled with the buckling hole 24 on the other side of the mounting seat 2, so as to prevent the cover 1 from falling off on the mounting seat 2.

In practical applications, since the cover 1 is a movable body, the clasp 132 is easily worn after long-term use, so that the degree of fastening is gradually weakened or even disabled, and the cover 1 is easily detached from the mounting base 2. For this reason, in another embodiment of the present application, referring to fig. 9 and 10 together, the mounting base 2 is further provided with an anti-release 25 located on the fastening hole 24, and the anti-release 25 abuts against the hook 132 fastened into the fastening hole 24. When the clasp 132 on the movable frame 13 is buckled with the clasp hole 24 on the other side of the mounting seat 2, the anti-release 25 abuts against the clasp 132 from the side, so that the clasp 132 is kept fastened on the clasp hole 24, the face cover 1 is effectively prevented from falling off, and the service life of the key is prolonged.

Preferably, the mounting base 2 is further provided with a surrounding edge 26 disposed around the periphery of the fastening hole 24, and the fastening hook 132 passes through the fastening hole 24 and is fastened to the surrounding edge 26. One side of the surrounding edge 26 is provided with a notch 261, and the anti-tripping device 25 is arranged on the notch 261 and abuts against the clasp 132. It can be seen that the anti-trip 25 may preferably be an elastic plate that is in a shape fit with the notch 261 on the peripheral edge 26, and has a force pushing against the clip 132 from the side, so that the clip 132 keeps fastened on the peripheral edge 26, and the fastening stability is effectively improved.

In another embodiment of the present application (not shown), a movable anti-drop member (not shown), which may preferably be a snap block, is provided on the bottom cover 4. When the bottom cover 4 is mounted on the other side of the mounting seat 2, the anti-falling piece extends to the outer side of the button hole 24 and abuts against the hook 132 buckled into the button hole 24. Thus, the bottom cover 4 is provided with the anti-tripping device, so that the clasp 132 buckled in the button hole 24 is abutted and fixed, and the function of preventing the clasp 132 from being separated is also realized. In addition, set up anticreep spare on bottom 4, be favorable to directly changing bottom 4 when anticreep spare damages to avoid changing whole mount pad 2, reduce cost of maintenance effectively.

In the embodiment of the present application, referring to fig. 7, 11 and 12, the bottom cover 4 is further provided with a protection cover 41 and a receiving groove 42 for receiving the electric control board 3, and the protection cover 41 covers the receiving groove 42 to protect the electric control board 3, so as to effectively improve the tightness and prevent the electric control board 3 from being involved in electric accidents.

The protective cover 41 is provided with a deformation part 411, the deformation part 411 can be concavely deformed or restored under the action of force (such as the action of the trigger lever 11), and the deformation part 411 corresponds to the position of the trigger part 31 on the electric control plate 3. The deformation portion 411 on the protection cover 41 may be preferably made of an elastic material, and the deformation portion 411 can be concavely deformed under the pushing of the trigger lever 11, so that the other side of the deformation portion 411 can contact the trigger portion 31 on the electronic control board 3 and generate a trigger signal, thereby effectively ensuring the trigger stability.

In the embodiment of the present application, referring to fig. 1 and 13, the door body further includes an outer door panel 300 and an inner door panel 400, wherein the control panel 100 on the door body is connected to the outer door panel 300 up and down, and the inner door panel 400 is disposed on the control panel 100 and the outer door panel 300. In this embodiment, as shown in fig. 3 and 4, the mounting base 2 is a middle circular base disposed on the control panel 100, so that the key assembly 200 is located at the middle-upper part of the whole door body, which is beneficial to improving the significance of the keys and facilitating the user to find and operate easily.

In addition, in the embodiment of the present application, since the control panel 100 and the outer door panel 300 are vertically connected to each other, the connection is the middle-upper part of the whole door body, which is the most remarkable part of the door body, and the key assembly 200 is preferably provided at this part, so that the prominence and the aesthetic feeling can be improved. However, the connection edge between the control panel 100 and the outer door panel 300 needs to have a reinforced structural strength, otherwise, the connection part is weak, which may cause the control panel 100 to be easily separated from the outer door panel 300. For this reason, referring to fig. 14 and 15, the connection edge between the control panel 100 and the outer door 300 is provided with reinforcing grooves 101 at both sides of the key assembly 200, and the structural strength of the connection edge is further improved by using the groove body structure of the reinforcing grooves 101.

Preferably, the reinforcing groove 101 of the control panel 100 is embedded with the decorative strip 102, and the concave portion of the reinforcing groove 101 is filled with the decorative strip 102, so that the panel surfaces of the control panel 100 and the outer door panel 300 are flush with each other, and the aesthetic feeling of the outer surface of the whole door is improved.

In another embodiment of the present application, referring to fig. 16 and 17, the control panel 100 is further provided with a main control circuit board 103 and a receiving slot 104 for setting the main control circuit board 103, the outer surface of the control panel 100 is provided with a panel 105, and the panel 105 may be a glass panel or a panel for touching, and the panel 105 covers the receiving slot 104.

The control panel 100 further includes a fixing frame 106, where the fixing frame 106 is disposed in the accommodating groove 104, and limits the main control circuit board 103 in the accommodating groove 104. A control circuit module 107 may be disposed between the mount 106 and the panel 105. One side of the fixing frame 106 has an avoidance groove 108, and the avoidance groove 108 is arranged to avoid the position of the control circuit module 107. The general control circuit board 103 is provided with a WIFI module 109, and the WIFI module 109 is located in the avoidance groove 108 of the fixing frame 106, so that shielding of the control circuit module 107 is avoided, and communication with the outside is facilitated.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (10)

1. A key assembly, comprising:

the surface cover is provided with at least three trigger rods, and the at least three trigger rods are distributed on the surface cover in a polygonal shape;

the surface cover is abutted with the elastic piece and arranged on one side of the mounting seat, and the trigger rods on the surface cover penetrate through the perforations and extend to the other side of the mounting seat;

the electric control plate is provided with a trigger part for the trigger rod to collide, and the trigger part corresponds to the perforation position on the mounting seat;

the bottom cover is arranged on the other side of the mounting seat, and the electric control plate is contained in the bottom cover.

2. The key assembly of claim 1, wherein: the face cover comprises a cover cap and a movable frame, wherein the cover cap is arranged on the movable frame, the movable frame is propped against the elastic piece, and the movable frame is provided with the trigger rod.

3. The key assembly of claim 1, wherein: the mounting seat is provided with a mounting groove for mounting the elastic piece, the surface cover is provided with a limiting groove for embedding the elastic piece, and the elastic piece is arranged between the surface cover and the mounting seat.

4. The key assembly of claim 1, wherein: the surface cover is also provided with a clasp, and the mounting seat is provided with a clasp hole for the clasp to be buckled.

5. The key assembly of claim 4, wherein: the mounting seat is also provided with an anti-tripping device positioned on the buckling hole, and the anti-tripping device is propped against the clasp buckled in the buckling hole.

6. The key assembly of claim 5, wherein: the mounting seat is also provided with a surrounding edge which is arranged around the periphery of the buckling hole, and the clasp penetrates through the buckling hole and is buckled on the surrounding edge; one side of the surrounding edge is provided with a notch, and the anti-tripping device is arranged in the notch and pushes the clasp to the surrounding edge.

7. The key assembly of claim 4, wherein: the bottom cover is also provided with a movable anti-falling part, and the anti-falling part extends to the outer side of the buckling hole and abuts against the buckling hook buckled in the buckling hole.

8. The key assembly according to any one of claims 1 to 7, wherein a protective cover and a receiving groove for receiving the electronic control board are provided on the bottom cover, and the protective cover is covered on the receiving groove; the protective cover is provided with a deformation part which can be concavely deformed under the action of stress, and the deformation part corresponds to the trigger part on the electric control plate.

9. A door body of a dish washer, characterized in that: comprising a control panel, an outer door panel, an inner door panel and a key assembly according to any one of claims 1 to 8, said key assembly being arranged on said control panel, at least part of said control panel having said mounting; the control panel is connected with the outer door plate up and down, and the inner door plate is arranged on the control panel and the outer door plate.

10. A dishwasher, characterized in that: comprising a dishwasher door according to claim 9.