CN116936283A - Key structure and household appliance - Google Patents

Abstract

The invention provides a key structure, which comprises a bracket, wherein a computer board is arranged on one side of the bracket, a key cap for triggering a key switch on the computer board is arranged on the other side of the bracket, the bracket comprises a first bracket and a second bracket which are mutually buckled, and a waterproof film is clamped between the first bracket and the second bracket. According to the invention, the support comprises the first support and the second support, and the waterproof membrane is arranged between the first support and the second support in a clamping manner, so that the installation stability of the waterproof membrane can be improved, and the situation that the key structure cannot be normally used due to dislocation and movement of the waterproof membrane in the use process of the key structure is prevented. The invention also provides a household appliance provided with the key structure.

Description

Key structure and household appliance

Technical Field

The invention belongs to the technical field of electric appliances, and particularly relates to a key structure and a household appliance provided with the key structure.

Background

With the continuous improvement of the universality and the universality of the household appliances and the increase of the occurrence frequency of household appliance safety accidents in recent years, consumers have raised higher and higher requirements on the use safety of the household appliances, and the requirements of relevant standards of the household appliances industry are perfected and improved continuously according to consumer call.

For example, in the current requirement of the waterproof performance of a washing machine, especially a drum washing machine, although the computer board is changed from strong and weak current integration into strong and weak current separation, the computer board is only weak current, but the potential safety hazard, especially the machine type with mechanical keys, can not be completely avoided, and in some cases, the accumulated water on the washing machine can still flow to the computer board through the key gaps.

The current common solution to this situation is to add a waterproof piece on a suitable part or at a suitable position between the mechanical key and the computer board, to ensure the waterproof effect and the key feel, set the waterproof piece as a waterproof film, and set a bracket on the key to support the waterproof film. However, the effect of the waterproof film is poor due to the influence of the waterproof film material, the waterproof film is easy to misplace in the using and transporting processes of the keys, and after misplacement of the waterproof film, the keys are required to be disassembled and assembled again, so that the use experience of users is seriously influenced.

The present invention has been made in view of this.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide the key structure, wherein the support comprises a first support and a second support, and the waterproof membrane is arranged between the first support and the second support, so that the installation stability of the waterproof membrane can be improved, and the problem that the key structure cannot be normally used due to dislocation and looseness of the waterproof membrane in the prior art is solved.

In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:

the utility model provides a key structure, includes the support, and the computer board is installed to one side of support, and the opposite side of support is provided with the button cap that is used for triggering the key switch on the computer board, and the support includes first support and the second support of mutual lock, presss from both sides between first support and the second support and is equipped with the water proof membrane.

Further, a limit groove matched with the shape of the waterproof membrane is formed in the end face of one side, opposite to the first support and the second support, of the waterproof membrane, and the waterproof membrane is arranged in the limit groove;

the groove depth of the limit groove is smaller than or equal to the thickness of the waterproof film.

Further, at least two first positioning columns and at least two second positioning columns are respectively arranged on the contact surfaces of the first bracket and the waterproof film and the second bracket;

the second bracket is provided with a first positioning groove and a second positioning groove which are respectively matched with the first positioning column and the second positioning column in a one-to-one correspondence manner.

Further, a hollowed hole is formed in the middle of the first bracket, and a key body is arranged in the hollowed hole; the key cap is at least partially embedded in the hollowed-out hole and is abutted with the key body;

the button body is connected on the inner wall of fretwork hole through the elasticity cantilever.

Further, a drainage groove which is communicated with the inner side and the outer side of the hollowed-out hole is formed in the bottom of the first bracket;

the drainage grooves are correspondingly formed in two opposite side walls of the hollowed-out hole.

Further, a mounting plate perpendicular to the second bracket is arranged on the end face, far away from the first bracket, of the second bracket, a buckle is arranged on the mounting plate, and the computer board is clamped between the buckle and the second bracket;

the mounting plate comprises at least two oppositely arranged mounting plates.

Further, the second bracket is provided with a coaming which extends vertically along the outer edge of the second bracket far away from the first bracket;

two mounting plates and coaming which are arranged oppositely surround a mounting groove for accommodating the computer board.

Further, the connecting part of the bottom of the mounting groove and the groove wall is provided with buffer pads which are uniformly arranged along the circumferential direction of the computer board.

A household appliance comprises a machine body and a door body, wherein the key structure is arranged on the table top of the machine body and/or the door body.

Further, the table top is provided with a mounting opening, and the key cap is embedded in the mounting opening from the inner side of the table top;

the second support is connected with the inner wall of the table top through a connecting piece, and the first support and the waterproof membrane are clamped between the second support of the table top.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the support comprises the first support and the second support, and the waterproof membrane is arranged between the first support and the second support in a clamping manner, so that the installation stability of the waterproof membrane can be improved, the situation that the key structure cannot be normally used due to dislocation and movement of the waterproof membrane in the use process of the key structure is prevented, and the use experience of a user is improved.

2. According to the waterproof membrane positioning device, the first positioning column and the first positioning groove which are matched with each other are arranged between the first support and the second support, and the second positioning column and the second positioning groove which are matched with each other are arranged between the waterproof membrane and the second support, so that the installation efficiency and the installation accuracy of the support and the waterproof membrane can be improved, the positioning effect of the waterproof membrane can be improved, and the waterproof membrane is further prevented from being misplaced.

3. According to the waterproof film, the drainage grooves are formed in the first support, so that water drops fall on the waterproof film in the use process of the key structure, and the water drops can flow out of the key structure through the drainage grooves, so that the water drops are prevented from being accumulated on the surface of the waterproof film.

4. According to the invention, the computer board is arranged on one side of the second bracket far away from the first bracket, and the coaming is arranged on the peripheral side of the second bracket, so that water flowing down from the waterproof film can be effectively prevented from reaching the computer board, and the safety and the service life of the key structure are increased.

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a diagram showing an assembly structure of a key structure and a table top in an embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the embodiment of the present invention;

FIG. 4 is a schematic diagram of the overall structure of a key structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of the bottom structure of the first bracket according to the embodiment of the present invention;

fig. 6 is a schematic view showing the bottom structure of a waterproof membrane according to an embodiment of the present invention;

FIG. 7 is a schematic view of the top structure of a second bracket according to an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating an assembly structure of a computer board and a second bracket according to an embodiment of the present invention;

FIG. 9 is a schematic view of the bottom structure of a second bracket according to an embodiment of the present invention;

FIG. 10 is a schematic diagram of a key structure disposed on a door according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a key structure disposed on a body according to an embodiment of the present invention.

The main elements in the figure are illustrated:

100. a key structure; 101. a first bracket; 1011. a key body; 1012. an elastic cantilever; 1013. a fourth positioning column; 1014. a drainage groove; 1015. a limit column; 1016. a first positioning column; 1017. a limit groove; 1018. a hollowed hole; 102. a second bracket; 1021. a first positioning groove; 1022. a second positioning groove; 1023. a protruding hole; 1024. a mounting column; 1025. a mounting plate; 1026. a buckle; 1027. a cushion pad; 103. a waterproof membrane; 1031. a boss; 1032. a second positioning column; 1033. a recessed portion; 1034. a waterproof membrane body; 104. a key cap; 105. a computer board; 1051. a key switch; 200. a table top; 201. a mounting port; 300. a body; 400. a door body.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1

As shown in fig. 1 to 9, in the embodiment of the present invention, a key structure 100 is described, which includes a bracket and a waterproof film 103 mounted on the bracket. In this embodiment, the support is configured as a split structure, and includes a first support 101 and a second support 102 that are fastened to each other, and the waterproof membrane 103 is sandwiched between the first support 101 and the second support 102. The waterproof membrane 103 is made of a flexible material, through the arrangement, on one hand, the installation stability of the waterproof membrane 103 can be improved, the situation that the key structure 100 cannot be normally used due to dislocation and movement of the waterproof membrane 103 in the use process of the key structure 100 is prevented, and the use experience of a user is improved; on the other hand, the waterproof film 103 also plays a role of cushioning, and the tightness of the mounting of the first bracket 101 and the second bracket 102 can be improved.

In this embodiment, a limiting groove 1017 matching the shape of the waterproof membrane 103 is provided on the end surface of the opposite side of the first support 101 and the second support 102, the waterproof membrane 103 is embedded in the limiting groove 1017, and the groove depth of the limiting groove 1017 is smaller than or equal to the thickness of the waterproof membrane 103. Preferably, the groove depth of the limiting groove 1017 is set smaller than the thickness of the waterproof film 103, so that the waterproof film 103 is tightly clamped between the first bracket 101 and the second bracket 102 after the key structure 100 is assembled.

In this embodiment, the limiting groove 1017 is disposed in the middle of the bottom surface of the first bracket 101, and penetrates through the bottom surface of the first bracket 101 along the front-rear direction, and the first bracket 101 abuts against the end surface of the second bracket 102 through the left and right sides of the limiting groove 1017. The waterproof membrane 103 is arranged in the limit groove 1017, the shape of the waterproof membrane is matched with the limit groove 1017, and the waterproof membrane is pressed on the end face of the second bracket 102 by the groove bottom of the limit groove 1017.

Preferably, the contact surfaces of the first support 101 and the second support 102 are respectively provided with a first positioning column 1016 and a first positioning slot 1021 which are mutually matched, the number of the first positioning columns 1016 is at least two, and the first positioning slots 1021 and the first positioning columns 1016 are in one-to-one correspondence. When in installation, the first positioning columns 1016 are correspondingly installed in the first positioning grooves 1021 to limit the relative positions of the first support 101 and the second support 102, and meanwhile, the positioning effect can be improved, so that the installation efficiency between the first support 101 and the second support 102 is improved. In this embodiment, at least part of the first positioning columns 1016 are disposed on the end face of the first support 101, and preferably, all of the first positioning columns 1016 are disposed on the end face of the first support 101 and are disposed in four symmetrically arranged.

Preferably, the contact surfaces of the waterproof membrane 103 and the second bracket 102 are respectively provided with a second positioning post 1032 and a second positioning groove 1022 which are matched with each other. The number of the second positioning columns 1032 is at least two, and the second positioning slots 1022 are arranged in one-to-one correspondence with the second positioning columns 1032. When installed, the second positioning posts 1032 are correspondingly installed in the second positioning slots 1022 to define the relative positions between the waterproofing membrane 103 and the second support 102. In this embodiment, at least a part of the second positioning posts 1032 are disposed on the waterproof film 103, and preferably, the second positioning posts 1032 are disposed on the waterproof film 103 entirely, specifically, disposed on the end surface of the waterproof film 103 corresponding to the second bracket 102, near the edge.

Preferably, in this embodiment, the end surface of the contact portion between the waterproof membrane 103 and the first support 101 is further provided with a third positioning column and a third positioning groove that are mutually matched, specifically, a plurality of third positioning grooves are disposed on the end surface of the waterproof membrane 103 near one side of the first support 101, and the third positioning columns are disposed on the end surface of the first support 101 in a one-to-one correspondence manner. During installation, the waterproof membrane 103 is firstly installed on the second support 102, the second positioning column 1032 on the waterproof membrane 103 is installed in the second positioning groove 1022 on the second support 102, then the first support 101 is installed, the first positioning column 1016 and the third positioning column on the first support 101 are respectively installed in the first positioning groove 1021 on the second support 102 and the third positioning groove on the waterproof membrane 103 correspondingly, and the positioning effect of the support on the waterproof membrane 103 is enhanced.

As shown in fig. 5, in this embodiment, a hollow hole 1018 corresponding to the waterproof membrane 103 is formed in the middle of the first bracket 101, and a key body 1011 is disposed in the hollow hole 1018. Preferably, the key body 1011 is connected to the inner wall of the hollow hole 1018 through an elastic cantilever 1012.

In this embodiment, the key body 1011 is configured as a long strip, the elastic cantilever 1012 is configured as a U shape, one end is connected to the side wall of the key structure 100, and the other end is connected to the inner wall of the hollow hole 1018. Specifically, the elongated key body 1011 is transversely disposed in the hollow hole 1018, the U-shaped elastic cantilever 1012 is disposed between the key body 1011 and the inner wall of the hollow hole 1018 parallel to the key body 1011, one end of the elastic cantilever 1012 is connected to the side wall of the key body 1011, and the other end extends along the length direction of the key body 1011 and is connected to the inner wall of the hollow hole 1018 corresponding to the end of the key body 1011. Preferably, in this embodiment, the number of the elastic cantilevers 1012 is four, and the elastic cantilevers 1012 are symmetrically arranged at four corners of the hollowed-out hole 1018 respectively. When the key body 1011 is pressed, the elastic cantilever 1012 is elastically deformed, the key body 1011 moves downward under the action of external pressure, and when the external pressure disappears, the key body 1011 rebounds under the action of the elastic cantilever 1012.

In this embodiment, a drainage groove 1014 is formed at the bottom of the first bracket 101 to communicate the inner side and the outer side of the hollow hole 1018. In use, if water drops fall on the waterproof membrane 103, the water drops can flow out of the key structure 100 through the drainage groove 1014, so as to avoid accumulation on the surface of the waterproof membrane 103. The drainage grooves 1014 are correspondingly arranged on two opposite side walls of the hollowed-out hole 1018.

Preferably, in this embodiment, the key body 1011 is disposed obliquely or horizontally, the drainage grooves 1014 are formed on the upper and lower sidewalls of the hollow hole 1018, and water droplets in the hollow hole 1018 are discharged from the lower drainage groove 1014, and the upper drainage groove 1014 can balance the air pressure in the hollow hole 1018, so that the water droplets can be smoothly discharged.

As shown in fig. 3, in the present embodiment, the key structure 100 further includes a computer board 105, the computer board 105 is mounted on a side of the second bracket 102 away from the first bracket 101, and the computer board 105 is mounted on the second bracket 102 through a mounting board 1025.

Specifically, mounting panel 1025 sets up on the terminal surface of second support 102 side of keeping away from first support 101, and mounting panel 1025 sets up perpendicularly with the terminal surface of second support 102, and the opening has been seted up at the middle part of mounting panel 1025, is provided with buckle 1026 in the opening. One end of the buckle 1026 is connected to the inner wall of the notch on one side far away from the second bracket 102, the other end extends to one side close to the second bracket 102, one end of the buckle 1026 close to the second bracket 102 is provided with a convex clamping protrusion protruding to one side of the buckle 1026, and the edge of the computer board 105 is clamped between the clamping protrusion and the second bracket 102 to complete the installation.

In this embodiment, the mounting plate 1025 is provided with at least two.

Preferably, in this embodiment, the second bracket 102 is provided with a coaming extending vertically along an outer edge of the second bracket 102 away from the first bracket 101, and the computer board 105 is installed in a space surrounded by the coaming. By providing the coaming, water flowing down from the waterproof film 103 can be effectively prevented from reaching the computer board 105, and the safety and the service life of the key structure 100 are increased.

In this embodiment, two mounting plates 1025 are oppositely arranged on the second bracket 102, two side walls of the root of the mounting plate 1025 and the opposite side walls of the coaming are jointly surrounded into a mounting groove matched with the shape of the computer board 105, and the computer board 105 is mounted in the mounting groove. The clips 1026 on the mounting plate 1025 are disposed opposite to each other, and are respectively engaged with edges of opposite sides of the computer board 105.

Preferably, the side wall of the clip protrusion on the clip 1026 far from one side of the second bracket 102 is disposed on an inclined plane inclined from the root of the clip protrusion to the second bracket 102, so as to guide the computer board 105, and facilitate loading of the computer board 105. Specifically, during the process of installing the computer board 105, the edge of the computer board 105 presses against the inclined plane, so that the buckle 1026 elastically deforms towards the outer side of the installation groove, and after the computer board 105 is installed, the buckle 1026 rebounds to clamp the computer board 105 between the clamping protrusion and the second bracket 102.

Preferably, in this embodiment, a buffer pad 1027 disposed along the circumferential direction of the computer board 105 is disposed at the connection between the bottom of the mounting groove and the groove wall, and the computer board 105 is abutted to the mounting groove through the buffer pad 1027. Specifically, the cushion 1027 is disposed at the root of the coaming and the mounting plate 1025, the cushion 1027 is uniformly distributed along the circumference of the computer board 105, at least part of the cushion 1027 is disposed between the bottom of the mounting groove and the computer board 105, and at least part of the cushion 1027 is disposed between the wall of the mounting groove and the computer board 105. The cushion 1027 is made of a flexible material, and may be specifically made of a rubber material. By providing the cushion 1027, on the one hand, the computer board 105 can be prevented from being damaged when being mounted, and on the other hand, the mounting stability of the computer board 105 can be improved, and the computer board 105 can be prevented from loosening.

In this embodiment, the computer board 105 is provided with a key switch 1051 corresponding to the key body 1011, as shown in fig. 7, the second bracket 102 is provided with an extension hole 1023 matched with the key switch 1051, and the key switch 1051 extends to the opposite side of the second bracket 102 at least partially through the extension hole 1023.

As shown in fig. 6, the waterproof membrane 103 includes a waterproof membrane body 1034, and a protruding portion 1031 provided in the middle of the waterproof membrane body 1034, the protruding portion 1031 protruding toward the first bracket 101 side and corresponding to the key switch 1051, the protruding portion 1031 is coated on the key switch 1051, and a side of the protruding portion 1031 away from the key switch 1051 is in contact with the key body 1011. The user presses the key body 1011 to move downward and push the protrusion 1031 downward together, the elastic cantilever 1012 and the protrusion 1031 are elastically deformed, and the protrusion 1031 presses and touches the key switch 1051; after that, the user releases his or her hand, the key body 1011 moves away from the side of the computer board 105 under the driving of the elastic cantilever 1012, and the protrusion 1031 is automatically reset.

Preferably, a concave portion 1033 is arranged at the connection position of the convex portion 1031 and the waterproof membrane body 1034 along the circumferential direction of the convex portion 1031, the concave portion 1033 is concave towards one side far away from the first bracket 101, the convex portion 1031 is connected with the waterproof membrane body 1034 through the concave portion 1033, and the shape of the protruding hole 1023 is matched with the concave portion 1033. By providing the recessed portion 1033, the waterproof membrane body 1034 can be prevented from being pulled during the pressing of the protruding portion 1031, and the firmness of the waterproof membrane 103 after being fixed can be increased; meanwhile, the elasticity of the key structure 100 can be increased, the hand feeling is increased, and the satisfaction of customers is improved.

In this embodiment, the waterproof membrane 103 is an integrally injection molded piece made of a flexible material, preferably a silicone material.

Preferably, in the present embodiment, a key cap 104 is further installed on a side of the key body 1011 away from the key switch 1051, and the key cap 104 is at least partially embedded in the hollow hole 1018 and is abutted against the key body 1011. The key body 1011 is provided with a limit column 1015, the key cap 104 is provided with a limit groove, and the limit groove is sleeved on the limit column 1015 after the key cap 104 is installed. Preferably, the limit posts 1015 are provided in two.

Example two

As shown in fig. 1 to 11, in the present embodiment, a home appliance having the key structure 100 of the first embodiment is disclosed, the home appliance includes a body 300, a door body 400 is provided at one side of the body 300, and in the present embodiment, the door body 400 is mounted at a front end of the body 300 through a hinge.

In this embodiment, the body 300 and/or the door 400 includes a table 200, and the key structure 100 is mounted on the table 200.

In this embodiment, the key structure 100 is disposed inside the table board 200, the key cap 104, the first support 101, the waterproof membrane 103, the second support 102 and the computer board 105 of the key structure 100 are sequentially disposed from outside to inside, a connecting member is disposed between the second support 102 and the inner wall of the table board 200, and the key structure 100 is mounted on the table board 200 through the connecting member between the second support 102 and the table board 200.

In this embodiment, the length of the second support 102 is greater than that of the first support 101, the first support 101 is disposed in the middle of the second support 102, mounting columns 1024 extending toward the inner wall of the table top 200 are disposed on the left and right sides of the end face of the second support 102, which is close to the first support 101, mounting holes are coaxially disposed on the mounting columns 1024, and the connecting piece passes through the mounting holes from one side of the mounting columns 1024 away from the inner wall of the table top 200 to be connected with the inner wall of the table top 200, and one end of the mounting columns 1024 away from the second support 102 is abutted on the inner wall of the table top 200. Preferably, the connecting piece may be a bolt and/or a screw, if the connecting piece is a bolt, the side wall of the table top 200 is provided with a through hole corresponding to the mounting hole, and the bolt sequentially passes through the mounting hole and the through hole to mount the key structure 100 on the side wall of the table top 200; if the connecting piece is a screw, a threaded hole corresponding to the mounting hole is arranged on the side wall of the table board 200, and the end of the screw is mounted in the threaded hole.

Preferably, in this embodiment, a groove corresponding to the end of the mounting post 1024 is further provided on the inner wall of the table top 200, and the end of the mounting post 1024 away from the second bracket 102 extends into the groove at least partially, so as to improve the positioning effect and the mounting strength.

Preferably, in this embodiment, a side of the first support 101 away from the second support 102 is abutted against the inner wall of the table board 200, the left and right sides of the end surface of the first support 101 are provided with fourth positioning columns 1013, the inner wall of the table board 200 is provided with fourth positioning grooves corresponding to the fourth positioning columns 1013 one by one, and when the key structure 100 is installed, the fourth positioning columns 1013 are inserted into the fourth positioning grooves.

As shown in fig. 1 to 3, in the present embodiment, a mounting opening 201 corresponding to the key body 1011 is formed on the side wall of the table top 200, the shape of the mounting opening 201 is adapted to the shape of the key cap 104, and the key cap 104 is embedded in the mounting opening 201 from the inner side of the side wall of the table top 200. The key cap 104 is provided with a limiting part which is abutted against the inner wall of the table top 200 to prevent the key cap 104 from falling out of the mounting port 201. After the key cap 104 is installed, the outer side wall of the key cap 104 is in the same plane as the outer side wall of the table 200.

In this embodiment, no fixing structure is required between the table top 200 and the first support 101, between the waterproof membrane 103 and the first support 101 and the second support 102, and between the first support 101 and the second support 102, and only the positioning post and the positioning slot that are mutually matched are required, and the key structure 100 is finally assembled by the connection piece between the mounting post 1024 and the side wall of the table top 200 and assembled between the key structure 100 and the table top 200, so that the structure of the key structure 100 is simplified.

Preferably, in this embodiment, the home appliance may be a washing machine, the key structure 100 is configured as a power key of the washing machine, and the computer board 105 of the key structure 100 is electrically connected to a control unit of the washing machine, for starting and/or stopping the washing machine.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present invention can be further combined or replaced by equivalent embodiments within the scope of the technical proposal of the present invention without departing from the scope of the technical proposal of the present invention.

Claims (10)

1. The utility model provides a button structure, includes the support, computer board (105) are installed to one side of support, and the opposite side of support is provided with key cap (104) that are used for triggering key switch (1051) on computer board (105), its characterized in that, support include first support (101) and second support (102) of mutual lock, press from both sides between first support (101) and second support (102) and be equipped with waterproof membrane (103).

2. The key structure according to claim 1, wherein a limit groove (1017) adapted to the shape of the waterproof film (103) is provided on the end surface of the opposite side of the first bracket (101) to the second bracket (102), and the waterproof film (103) is provided in the limit groove (1017);

the groove depth of the limit groove (1017) is smaller than or equal to the thickness of the waterproof film (103).

3. The key structure according to claim 2, wherein at least two first positioning columns (1016) and at least two second positioning columns (1032) are respectively arranged on the contact surfaces of the first bracket (101) and the waterproof film (103) with the second bracket (102);

the second bracket (102) is provided with a first positioning groove (1021) and a second positioning groove (1022) which are respectively matched with the first positioning column (1016) and the second positioning column (1032) in a one-to-one correspondence manner.

4. A key structure according to any one of claims 1 to 3, wherein a hollowed-out hole (1018) is formed in the middle of the first bracket (101), and a key body (1011) is arranged in the hollowed-out hole (1018); the key cap (104) is at least partially embedded in the hollowed-out hole (1018) and is abutted with the key body (1011);

the key body (1011) is connected to the inner wall of the hollowed-out hole (1018) through an elastic cantilever (1012).

5. The key structure according to claim 4, wherein a drainage groove (1014) communicating the inside and outside of the hollow hole (1018) is provided at the bottom of the first bracket (101);

the drainage grooves (1014) are correspondingly arranged on two opposite side walls of the hollowed-out hole (1018).

6. A key structure according to any one of claims 1 to 3, wherein the end surface of the second support (102) far from the first support (101) is provided with a mounting plate (1025) perpendicular to the second support (102), the mounting plate (1025) is provided with a buckle (1026), and the computer board (105) is sandwiched between the buckle (1026) and the second support (102);

the mounting plate (1025) comprises at least two oppositely arranged mounting plates.

7. The key structure according to claim 6, wherein the second bracket (102) is provided with a coaming extending vertically along its outer edge away from the first bracket (101);

two oppositely arranged mounting plates (1025) and the coaming are surrounded to form a mounting groove for accommodating the computer board (105).

8. The key structure according to claim 7, wherein the connection between the bottom of the mounting groove and the groove wall is provided with cushion pads (1027) uniformly arranged along the circumferential direction of the computer board (105).

9. A household appliance comprising a body (300) and a door (400), characterized in that the body (300) and/or the table top (200) of the door (400) are provided with a key structure according to any one of the preceding claims 1 to 8.

10. The household appliance according to claim 9, wherein the table top (200) is provided with a mounting opening (201), and the key cap (104) is embedded in the mounting opening (201) from the inner side of the table top (200);

the second support (102) is connected with the inner wall of the table top (200) through a connecting piece, and the first support (101) and the waterproof membrane (103) are clamped between the table top (200) and the second support (102).