CN212566234U - Panel assembly structure and be equipped with its electrical apparatus - Google Patents

Abstract

The utility model relates to a panel assembly structure and an electric appliance provided with the same, which comprises a baffle plate; the panel is matched and connected with one side of the baffle plate, which is provided with a first matching part, and is provided with an operating part; the supporting piece is in floating fit with one side of the panel facing the baffle plate along the direction close to or far away from the operating part; the circuit board is connected to the supporting piece in a matching mode and is positioned on an operation path of the operation part moving to the baffle plate along the first direction; the support piece is provided with a second matching part with deformation capacity, the second matching part is abutted to the first matching part, and when the operation part moves along the first direction, the second matching part elastically deforms under the extrusion action of the first matching part, so that the support piece floats towards the direction close to the panel and enables the circuit board to apply reverse acting force to the operation part. When the operating part applies acting force to the circuit board along the first direction, the second matching part elastically deforms to enable the supporting piece to float towards the direction close to the panel and enable the circuit board to apply reverse acting force to the operating part, and the operating part of the panel is guaranteed to be tightly attached to the circuit board.

Description

Panel assembly structure and be equipped with its electrical apparatus

Technical Field

The utility model relates to an electrical apparatus technical field especially relates to a panel assembly structure and be equipped with its electrical apparatus.

Background

With the progress of society and the improvement of living standard of people, various electric appliances enter the life of people, and the humidifier is widely applied. The humidifier is a household appliance for increasing the room humidity, can humidify a designated room, and can also be connected with a boiler or a central air-conditioning system to humidify an integral building.

Generally, the humidifier can perform different functions (such as sterilization, timing, etc.) by operating a display window or keys on the panel to transmit signals to the PCB. The panel assembly structure of traditional humidifier, the operating sensitivity of panel is relatively poor, is promptly when operating panel, often can appear the phenomenon that signal transmission can not arrive on the PCB board, influences user experience.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a panel assembly structure and an electrical appliance provided with the same, which can solve the problem of poor operation sensitivity of the panel.

A panel assembling structure comprising:

the baffle is provided with a first matching part;

the panel is matched and connected with one side of the baffle plate, which is provided with the first matching part, and is provided with an operating part;

a support member floatingly coupled to a side of the panel facing the barrier in a direction approaching or departing from the operation portion; and

the circuit board is connected to the supporting piece in a matching mode and is positioned on an operation path of the operation part moving to the baffle plate along a first direction;

the supporting piece is provided with a second matching part with deformation capacity, the second matching part is abutted to the first matching part, and when the operating part moves along the first direction, the second matching part elastically deforms under the extrusion action of the first matching part, so that the supporting piece floats towards the direction close to the panel and enables the circuit board to apply reverse acting force to the operating part.

In one embodiment, the support member comprises a body, and the second mating portion comprises a cantilever connected to the body and mated with the first mating portion;

when the operating part moves along the first direction, the cantilever is elastically deformed and generates a component force which drives the supporting part to float in the direction close to the panel, so that the circuit board applies a reverse acting force to the operating part.

In one embodiment, the extending direction of the cantilever is arranged obliquely with respect to the first direction.

In one embodiment, the first matching part is provided with a first clamping part, and the second matching part is connected with one end of the cantilever far away from the body and comprises a second clamping part facing the first clamping part;

the second clamping part can limit the support part to be separated from the baffle plate along the first direction when being clamped with the first clamping part.

In one embodiment, the cantilever is flared into an arc shape along the edge of the body, and the first clamping portion abuts against the inner surface of the cantilever.

In one embodiment, the first fitting portion includes a plurality of pieces, the second fitting portion includes a plurality of pieces equal in number to the first fitting portions, and each of the second fitting portions is fitted to each of the first fitting portions.

In one embodiment, an enclosure cavity is formed in all the second matching parts, and all the first matching parts are positioned in the enclosure cavity; or

All first cooperation portion forms to enclose establishes the chamber, and is all second cooperation portion is located enclose establishes the intracavity.

In one embodiment, the first matching portion has elasticity, and when the operating portion moves along the first direction, the first matching portion and the second matching portion are elastically deformed together, so that the supporting member floats towards the panel and the circuit board applies a reverse acting force to the operating portion.

In one embodiment, a first guide portion is provided on the baffle plate, and a second guide portion is provided on the support member, the second guide portion cooperating with the first guide portion to guide the support member to be assembled with the baffle plate in the first direction.

In one embodiment, the first guide portion and the second guide portion cooperate to limit the position of the support relative to the baffle plate in a second direction and a third direction, and the first direction, the second direction and the third direction intersect with each other in a pairwise manner.

In one embodiment, one of the first guide part and the second guide part is a guide hole, and the other one is a guide post matched with the guide hole.

In one embodiment, the guide post has a fixed end and a free end connected to each other, the free end is cross-shaped, and/or the diameter of the free end is smaller than that of the fixed end.

An appliance comprising a panel assembly structure as claimed in any one of the preceding claims.

In one embodiment, the appliance is a humidifier.

Above-mentioned panel assembly structure and electrical apparatus, when the operating portion of operating panel, when the operating portion at the panel exerts the effort to the circuit board along first direction promptly, second cooperation portion elastic deformation causes support piece to float and make the circuit board exert reverse effort to the operating portion to being close to the panel direction, has guaranteed the operating portion of panel and the inseparable laminating of circuit board to the operating sensitivity of panel has been improved.

Drawings

Fig. 1 is an exploded view of a panel assembly structure according to an embodiment of the present invention;

FIG. 2 is an assembly view of the panel assembly structure shown in the assembled state;

FIG. 3 is a perspective view of a support member of the panel assembly structure shown in FIG. 1;

FIG. 4 is a block diagram of the support shown in FIG. 3 from another perspective;

FIG. 5 is an assembly view of the panel assembly structure shown in FIG. 1 in an intermediate state;

FIG. 6 is an enlarged view of FIG. 5 at B;

FIG. 7 is an enlarged view taken at A in FIG. 2;

FIG. 8 is a block diagram of a bezel of the panel assembly shown in FIG. 1;

fig. 9 is an exploded view of a panel assembly structure according to another embodiment of the present invention;

FIG. 10 is an assembly view of the panel assembly structure shown in FIG. 9 in an assembled state;

fig. 11 is an enlarged view of fig. 10 at C.

100. A panel assembly structure; 10. a baffle plate; 11. a first mating portion; 111. a first engaging portion; 12. a first guide portion; 20. a panel; 21. an operation section; 22. a second buckle; 31. a support member; 311. a second mating portion; 3111. a cantilever; 3112. a second engaging portion; 312. a body; 313. a first buckle; 314. a second guide portion; 32. a circuit board; 40. and assembling the cavity.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an embodiment of the present invention provides a panel assembly structure 100 for an electrical appliance, the panel 20 of the panel assembly structure 100 includes an operation portion 21, the operation portion 21 may be a key structure or a display window structure for touch, and the operation portion 21 triggers a corresponding position of a PCB (circuit board 32), that is, a signal transmitted from the operation portion 21 of the PCB receiving panel 20 to control the electrical appliance to perform a corresponding action. Specifically, the electrical appliance is a humidifier, and it is understood that in other embodiments, the type of the electrical appliance is not limited, and the electrical appliance may be any electrical appliance that needs to be provided with the panel assembly structure 100.

The following describes the technical solution of the present application in detail by taking an electric appliance as an example of a humidifier. The present embodiment is only for exemplary purposes and does not limit the technical scope of the present application. In addition, the drawings in the embodiments omit unnecessary components to clearly show the technical features of the application.

Referring to fig. 2, the humidifier includes a panel assembly structure 100, the panel assembly structure 100 includes a baffle 10 and a panel 20, the panel 20 is connected to the baffle 10, and the panel 20 has an operating portion 21. The panel assembly structure 100 further includes a supporting member 31 and a circuit board 32 (PCB), wherein the circuit board 32 is connected to the supporting member 31 and receives a signal transmitted from the operating portion 21 of the panel 20, i.e. the operating portion 21 of the panel 20 can trigger the PCB. Specifically, the operation portion 21 may be a key structure or a touch-available display window structure.

The baffle plate 10 is provided with a first matching part 11, the panel 20 is matched and connected with one side of the baffle plate 10 provided with the first matching part 11, the supporting piece 31 is matched and connected with one side of the panel 20 facing the baffle plate 10 in a floating mode along the direction close to or far away from the operation part 21, and the circuit board 32 is matched and connected with the supporting piece 31 and is positioned on the operation path of the operation part 21 moving to the baffle plate 10 along the first direction.

The supporting member 31 is provided with a second matching portion 311, the second matching portion 311 has a deformation capability, the second matching portion 311 abuts against the first matching portion 11, and when the operating portion 21 moves along the first direction, the second matching portion 311 elastically deforms under the extrusion effect of the first matching portion 11, so that the supporting member 31 floats towards the direction close to the panel 20 and enables the circuit board 32 to apply a reverse acting force to the operating portion 21, so as to realize the close fitting of the operating portion 21 of the panel 20 and the circuit board 32, i.e. the close fitting of the key structure of the panel 20 or the touch display window structure and the circuit board 32 is realized.

The embodiment of the utility model provides a humidifier, when operating panel 20's operating portion 21, for exert force on operating portion 21 of panel 20, operating portion 21 of panel 20 exerts the effort to circuit board 32 along first direction, second cooperation portion 311 elastic deformation, it floats and makes circuit board 32 exert reverse force to being close to the panel 20 direction to send support piece 31, the inseparable laminating of operating portion 21 of panel 20 and circuit board 32 has been guaranteed, for the inseparable laminating of the display window structure that has guaranteed panel 20 or can supply the touch and circuit board 32, thereby panel 20's operational sensitivity has been improved.

With continued reference to fig. 2, in one embodiment, the panel 20 and the bezel 10 define a mounting cavity 40, and the circuit board 32 and the support 31 are located within the mounting cavity 40. In assembly, the support member 31 with the circuit board 32 mounted thereon is mainly assembled on the baffle 10, and the panel 20 is assembled outside the support member 31 with the circuit board 32 mounted thereon, so that the circuit board 32 and the support member 31 are enclosed in the assembly chamber 40. It should be understood that in other embodiments, the panel assembly structure 100 may be disposed in other manners, and is not limited herein.

The first fitting portion 11 includes a plurality of, and the second fitting portion 311 includes a plurality of the same number as the first fitting portion 11, and each second fitting portion 311 is fitted with each first fitting portion 11. It should be understood that in other embodiments, the first mating portion 11 and the second mating portion 311 may be provided only one, and are not limited herein.

Further, an enclosure cavity is formed in all the second matching parts 311, and all the first matching parts 11 are located in the enclosure cavity. That is, in the present embodiment, each second fitting portion 311 is located outside each first fitting portion 11 fitted thereto, so as to ensure the uniformity of deformation of each second fitting portion 311, and facilitate close fitting of the PCB board with the operation portion 21 of the panel 20.

Referring to fig. 3, the supporting member 31 includes a main body 312, and the second matching portion 311 is fixedly connected to the main body 312. Specifically, one side of the body 312 facing the baffle 10 is provided with a first buckle 313, the PCB is located between one side of the body 312 facing the baffle 10 and the baffle 10, and the PCB is fixed on the body 312 through the first buckle 313, and the operation part 21 of the panel 20 is inserted into the body 312 to contact with the PCB and applies an acting force to the PCB.

Referring to fig. 3 and 4, each second mating portion 311 includes a cantilever 3111, the cantilever 3111 is connected to the body 312, and the cantilever 3111 is mated with the first mating portion 11. When the operating portion 21 applies a force to the circuit board 32 in the first direction, the suspension arm 3111 is elastically deformed and generates a component force that drives the supporting member 31 to float in a direction approaching the panel 20, so that a counter force can be applied to the circuit board 32 to the operating portion 21.

By providing the second engaging portion 311 with the cantilever 3111, the cantilever 3111 can be elastically deformed when receiving a small external force, so that when the circuit board 32 receives a small external force, the cantilever 3111 can be elastically deformed in response to the small external force to generate a component force that drives the supporting member 31 to float in a direction approaching the panel 20, so as to apply a reverse force to the circuit board 32 to the operating portion 21. It is contemplated that, in other embodiments, the second mating portion 311 may be disposed in other forms, and is not limited herein.

Further, the extending direction of the cantilever 3111 is inclined with respect to the first direction so as to generate the above-mentioned opposing force. Further, the cantilever 3111 has a curved structure. It should be understood that in other embodiments, the arrangement of the cantilever 3111 is not limited to the above manner, and is not limited herein.

Specifically, the cantilever 3111 of each second fitting portion 311 is connected to the periphery of the body 312 and is inclined outward with respect to the body 312 to form a flared support 31 having an opening disposed facing the baffle 10.

Each first mating portion 11 has a first engaging portion 111, each second mating portion 311 includes a second engaging portion 3112, and the second engaging portion 3112 is connected to an end of the cantilever 3111 away from the body 312. The panel assembly structure 100 has an intermediate state in which the second engaging portion 3112 is engaged with the first engaging portion 111 (see fig. 5 and 6) to limit the supporting member 31 from being separated from the baffle 10 along the first direction.

Since the panel assembling structure 100 is assembled, the support member 31 assembled with the circuit board 32 is first assembled with the barrier 10, and then the panel 20 is assembled, specifically, the panel 20 is snapped with the barrier 10. The intermediate state is a state in which the support member 31 with the circuit board 32 mounted thereon is mounted on the barrier 10, and the panel 20 is not yet mounted. In the intermediate state, the second engaging portion 3112 is engaged with the first engaging portion 111, and the supporting member 31 is prevented from being separated from the barrier 10 in the first direction, so as to facilitate the assembly of the panel 20.

The panel assembly structure 100 further has an assembly state in which the second engaging portion 3112 is engaged with or disengaged from the first engaging portion 111 (refer to fig. 2 and fig. 7 continuously). The assembled state is a state after the panel 20 is assembled, and since the support member 31 is restricted by the panel 20 in the assembled state, the second engaging portion 3112 and the first engaging portion 111 can be engaged with or disengaged from each other, and in this case, it is only required to ensure that the cantilever 3111 is elastically deformed when the PCB receives a force applied by the panel 20.

Specifically, the cantilever 3111 is flared along the edge of the body 312, and the first engaging portion 111 abuts against the inner surface of the cantilever 3111.

Further, the baffle 10 is further provided with a first guiding portion 12 (refer to fig. 8), the supporting member 31 is provided with a second guiding portion 314 (refer to fig. 3 and 4), and the second guiding portion 314 cooperates with the first guiding portion 12 to guide the supporting member 31 to be assembled with the baffle 10 in the first direction, so as to facilitate the assembly of the supporting member 31 and the baffle 10.

The first guide portion 12 and the second guide portion 314 cooperate to limit the position of the support 31 relative to the barrier 10 in the second direction and the third direction, which intersect each other. With the above arrangement, the first guide portion 12 and the second guide portion 314 cooperate to not only guide the assembly of the supporting member 31 and the baffle 10 in the first direction, but also restrict the positions of the supporting member 31 in the second direction and the third direction,

specifically, one of the first guide portion 12 and the second guide portion 314 is a guide hole, and the other is a guide post engaged with the guide hole, and the guide post is inserted into the guide hole to guide the support member 31 to be assembled with the baffle plate 10.

In one embodiment, the guide posts protrude from one side of the body 312 of the support 31 facing the baffle 10, the guide holes are formed in one side of the baffle 10 facing the support 31, and the guide posts are inserted into the PCB and engaged with the guide holes. Specifically, the guiding hole may be a hole protruding on the protruding pillar of the baffle 10, or may be a hole directly formed on the baffle 10.

The guide post has the stiff end and the free end of interconnect, and the free end is cross. Therefore, if the guide post interferes with the inner wall of the guide post when being inserted into the guide hole, the cross-shaped suspension end is easy to deform, and the guide post is convenient to be inserted into the guide hole.

In another embodiment, the diameter of the suspended end is smaller than that of the fixed end, so that the guide post can be inserted into the guide hole conveniently.

Referring to fig. 9 and 10, in another embodiment, the assembly cavity 40 is omitted between the panel 20 and the baffle 10, the baffle 10 is provided with a through hole corresponding to the position of the supporting member 31, and the first matching portion 11 is connected with the wall of the through hole. It is understood that in other embodiments, the panel assembly structure 100 may be disposed in other manners, and is not limited herein.

The first fitting portion 11 includes a plurality of, and the second fitting portion 311 includes a plurality of the same number as the first fitting portion 11, and each second fitting portion 311 is fitted with each first fitting portion 11. All the first matching parts 11 are surrounded to form a surrounding cavity, and all the second matching parts 311 are located in the surrounding cavity. That is, in the present embodiment, each second fitting portion 311 is located in the first fitting portion 11 fitted thereto, so as to ensure the uniformity of deformation of each second fitting portion 311, and facilitate close fitting of the PCB board with the operation portion 21 of the panel 20.

The supporting member 31 includes a body 312, and the second fitting portion 311 is fixedly connected to the body 312. Specifically, the PCB is disposed on a side of the supporting member 31 facing away from the baffle 10, so that the operation portion 21 of the panel 20 can contact with the PCB without passing through the supporting member 31 and apply a force to the PCB.

Each second fitting part 311 includes a cantilever 3111, the cantilever 3111 is connected to the body 312, and the cantilever 3111 is fitted to the first fitting part 11. When the operating portion 21 applies a force to the circuit board 32 in the first direction, the suspension arm 3111 is elastically deformed and generates a component force that drives the supporting member 31 to float in a direction approaching the panel 20, so that a counter force can be applied to the circuit board 32 to the operating portion 21.

By providing the second engaging portion 311 with the cantilever 3111, the cantilever 3111 can be elastically deformed when receiving a small external force, so that when the circuit board 32 receives a small external force, the cantilever 3111 can be elastically deformed in response to the small external force to generate a component force that drives the supporting member 31 to float in a direction approaching the panel 20, so as to apply a reverse force to the circuit board 32 to the operating portion 21.

Further, the extending direction of the cantilever 3111 is inclined with respect to the first direction so as to generate the above-mentioned opposing force. Further, the cantilever 3111 has a curved structure. It should be understood that in other embodiments, the arrangement of the cantilever 3111 is not limited to the above manner, and is not limited herein.

Specifically, the cantilever 3111 of each second fitting portion 311 is connected to the periphery of the body 312 and is inclined outward with respect to the body 312 to form a flared support 31 having an opening disposed away from the baffle 10.

Each first mating portion 11 has a first engaging portion 111, each second mating portion 311 includes a second engaging portion 3112, and the second engaging portion 3112 is connected to an end of the cantilever 3111 away from the body 312. The panel assembly structure 100 has an intermediate state and an assembly state, and in the intermediate state and the assembly state, the second engaging portion 3112 is engaged with the first engaging portion 111 (see fig. 11) to limit the supporting member 31 from being separated from the baffle 10 along the first direction.

Specifically, in the assembled state, when the operating portion 21 applies a force to the circuit board 32 in the first direction, the second engaging portion 3112 and the cantilever 3111 are elastically deformed together, so that the support 31 floats in a direction approaching the panel 20 and enables the circuit board 32 to apply a reverse force to the operating portion 21.

It is understood that, in other embodiments, when the operating portion 21 applies a force to the circuit board 32 in the first direction, the first matching portion 11 may be elastically deformed together with the second matching portion 311, or the first matching portion 11 is not deformed, which is not limited herein.

With continued reference to fig. 9, further, the panel 20 includes a second latch 22, and the panel 20 is latched to the bezel 10 by the second latch 22.

Another embodiment of the present invention further provides an electrical appliance including the panel assembly structure 100, and particularly, the electrical appliance is a humidifier.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (14)

1. A panel assembling structure, comprising:

a baffle plate (10) provided with a first matching part (11);

a panel (20) which is coupled to one side of the baffle (10) provided with the first matching part (11) and is provided with an operation part (21);

a support member (31) floatingly coupled to a side of the panel (20) facing the barrier (10) in a direction approaching or departing from the operation portion (21); and

a circuit board (32) coupled to the support member (31) and located on an operation path along which the operation portion (21) moves toward the barrier (10) in a first direction;

the supporting piece (31) is provided with a second matching part (311) with deformation capacity, the second matching part (311) is abutted to the first matching part (11) and elastically deforms under the extrusion action of the first matching part (11) when the operating part (21) moves along the first direction, so that the supporting piece (31) floats towards the direction close to the panel (20) and the circuit board (32) applies reverse acting force to the operating part (21).

2. The panel assembling structure according to claim 1, wherein the supporting member (31) includes a body (312), and the second fitting portion (311) includes a cantilever (3111), the cantilever (3111) being connected with the body (312) and fitted with the first fitting portion (11);

when the operation part (21) moves along the first direction, the cantilever (3111) is elastically deformed and generates a component force which drives the support (31) to float in a direction close to the panel (20), so that the circuit board (32) applies a reverse acting force to the operation part (21).

3. The panel assembling structure according to claim 2, wherein an extending direction of the cantilever (3111) is disposed obliquely to the first direction.

4. The panel assembling structure according to claim 2, wherein the first fitting portion (11) has a first engaging portion (111), and the second fitting portion (311) is connected to an end of the cantilever (3111) remote from the body (312) and includes a second engaging portion (3112) facing the first engaging portion (111);

the second clamping part (3112) can limit the support part (31) from being separated from the baffle (10) along the first direction when being clamped with the first clamping part (111).

5. The panel assembling structure according to claim 4, wherein the cantilever (3111) is flared into an arc shape along an edge of the body (312), and the first engaging portion (111) abuts against an inner surface of the cantilever (3111).

6. The panel assembling structure according to claim 1, wherein the first fitting portion (11) includes a plurality, the second fitting portion (311) includes a plurality equal in number to the first fitting portions (11), and each of the second fitting portions (311) is fitted to each of the first fitting portions (11).

7. The panel assembly structure according to claim 6, wherein all of the second fitting portions (311) form an enclosure cavity therein, and all of the first fitting portions (11) are located in the enclosure cavity; or

All first cooperation portion (11) form to enclose and establish the chamber, all second cooperation portion (311) are located enclose and establish the intracavity.

8. The panel attachment structure according to claim 1, wherein the first engaging portion (11) has elasticity, and when the operating portion (21) is moved in the first direction, the first engaging portion (11) and the second engaging portion (311) are elastically deformed together, so that the support member (31) floats in a direction approaching the panel (20) and causes the circuit board (32) to apply a reverse force to the operating portion (21).

9. The panel assembling structure according to any one of claims 1 to 8, wherein a first guide portion (12) is provided on said barrier (10), and a second guide portion (314) is provided on said supporting member (31), said second guide portion (314) cooperating with said first guide portion (12) to guide said supporting member (31) to be assembled with said barrier (10) in said first direction.

10. The panel assembling structure according to claim 9, wherein the first guide portion (12) and the second guide portion (314) cooperate to restrict the position of the supporting member (31) with respect to the baffle plate (10) in a second direction and a third direction, the first direction, the second direction and the third direction intersecting each other two by two.

11. The panel assembling structure according to claim 10, wherein one of the first guide portion (12) and the second guide portion (314) is a guide hole, and the other is a guide post fitted to the guide hole.

12. The panel assembly structure according to claim 11, wherein the guide post has a fixed end and a free end connected to each other, the free end is cross-shaped, and/or a diameter of the free end is smaller than a diameter of the fixed end.

13. An electrical appliance comprising a panel assembly structure according to any one of claims 1 to 12.

14. The appliance according to claim 13, characterized in that the appliance is a humidifier.

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