CN216648126U

CN216648126U - Waterproof button structure and humidifier using same

Info

Publication number: CN216648126U
Application number: CN202220171553.3U
Authority: CN
Inventors: 刘德新; 朱贤渤
Original assignee: Zhejiang Xingyue Electrical Appliance Co ltd
Current assignee: Zhejiang Xingyue Electrical Appliance Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-05-31
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a waterproof button structure and a humidifier using the same, wherein the waterproof button structure comprises a mounting shell, a button assembly and a circuit board provided with at least one button switch, an accommodating space is arranged in the mounting shell, at least one button hole communicated with the accommodating space is arranged on the outer side of the upper part of the mounting shell, the circuit board frame is arranged below the accommodating space corresponding to each button hole, and the button assembly is arranged between each button hole and each button switch on the circuit board. The button body is soft material, and the platform edge of button body is compressed tightly on the inner wall of casing by the button supporting body, with the inside and outside face seal isolation of casing, prevents effectively that water from getting into inside the casing by the clearance between installation casing and the button, and the circuit board is set up in confined space.

Description

Waterproof button structure and humidifier using same

Technical Field

The utility model belongs to the technical field of waterproof switches, and particularly relates to a waterproof button structure and a humidifier using the same.

Background

The humidifier is a household appliance capable of increasing room humidity, the humidifier can humidify a designated room, and a control switch is indispensable in structural components of the humidifier. The traditional humidifier generally adopts knob or mechanical button switch to be connected with the circuit board and realizes controlling the function of humidifier, because these switches set up at the humidifier outward appearance, so knob or button switch can leave the gap with the casing, and the humidifier often contacts with water again, and when using, inside water or dust entered into the humidifier through the gap easily, can arouse the short circuit when the water soaks the circuit board, breaks down. In the prior art, a full-wrapped waterproof material is arranged on a circuit board button to achieve the aim of preventing the circuit board from being waterproof, but the water cannot enter the periphery of the installation position.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a waterproof button structure and a humidifier using the same, which prevents external water from entering into a mounting housing through a gap around a button body by a compression seal formed between the button body and the mounting housing.

The utility model is realized in this way, and provides a waterproof button structure, which comprises a mounting shell, button components and a circuit board provided with at least one button switch, wherein an accommodating space is arranged in the mounting shell, at least one button hole communicated with the accommodating space is arranged on the outer side of the upper part of the mounting shell, the circuit board frame is arranged below the accommodating space corresponding to each button hole, the button components are arranged in each button hole, and each button component is arranged corresponding to the button switch on the circuit board positioned at the lower part of the button component.

Every button subassembly includes button body and the button supporting body that assembles each other together, has seted up the perforating hole in the button supporting body, is equipped with the elastic column in the perforating hole, and the elastic column is radial to be connected as an organic whole through the elasticity pad that resets between and the perforating hole inner wall, and the elastic column axial is equipped with the connecting hole.

The preparation material of button body is soft material, and the installing port has been seted up to its axial downside, and the axial is equipped with the spliced pole in the installing port, and the button body upper end outside is equipped with the bench edge, and in the elastic column extended to the installing port, the spliced pole was located the connecting hole, and the upper end of button body is located the button hole, and the bench edge of button body is compressed tightly on the inner wall of casing by the button supporting body, with the inside and outside sealed isolation of casing.

Furthermore, the elastic reset pad is composed of an outer ring connected with the through hole, an inner ring connected with the outer wall of the elastic column and an elastic ring connecting the outer ring and the inner ring, the axial height of the outer ring is lower than that of the inner ring, and the lower end part of the mounting opening is abutted against the inner ring.

Further, the button switch is oppositely arranged at the lower end of the connecting column.

The utility model is realized in such a way, and also provides a humidifier using the waterproof button structure.

Compared with the prior art, the waterproof button structure and the humidifier using the structure are characterized in that the button body is connected with the elastic column through the mounting port and correspondingly connected with the connecting hole through the connecting column, the table edge of the button body is pressed on the inner wall of the shell by the button bearing body to seal and isolate the inner surface and the outer surface of the shell, water is effectively prevented from entering the shell from a gap between the mounting shell and the button, and the circuit board is arranged in the sealed space. The button body and the button bearing body are made of elastic waterproof materials, and the connecting column of the button body is pressed downwards against the button switch by pressing the upper end of the button body, so that the feedback hand feeling of the button is ensured; the elastic reset pad has a structure that the elastic reset pad realizes the rebound reset after the button body is pressed.

Drawings

FIG. 1 is a schematic sectional view of an upper casing of a humidifier applying the waterproof button structure according to the present invention;

FIG. 2 is a cross-sectional view of the waterproof button structure shown enlarged at A in FIG. 1;

fig. 3 is an exploded view of the button assembly and the circuit board of fig. 2.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the present invention 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 merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 3, the waterproof button structure of the present invention includes a mounting case 1, a button assembly 2, and a circuit board 3 having at least one button switch 31. The installation shell 1 is internally provided with an accommodating space 10, the outer side of the upper part of the installation shell is provided with at least one button hole 11 communicated with the accommodating space 10, the circuit board 3 is erected below the accommodating space 10 corresponding to each button hole 11, a button assembly 2 is arranged in each button hole 11, and each button assembly 2 is arranged corresponding to a button switch 31 on the circuit board 3 positioned at the lower part of the button assembly.

Each button assembly 2 comprises a button body 21 and a button carrier 22 which are assembled together, a through hole 220 is formed in the button carrier 22, an elastic column 221 is arranged in the through hole 220, the elastic column 221 is connected with the inner wall of the through hole 220 into a whole through an elastic reset pad in the radial direction, and a connecting hole 222 is formed in the elastic column 221 in the axial direction.

The preparation material of button body 21 is soft material, installing port 210 has been seted up to its axial downside, the axial is equipped with spliced pole 211 in the installing port 210, button body 21 upper end outside is equipped with the bench edge 212, elastic column 221 extends to in the installing port 210, spliced pole 211 is located connecting hole 222, the upper end of button body 21 is located button hole 11, the bench edge 212 of button body 21 is compressed tightly on the inner wall of casing 1 by button supporting body 22, with the inside and outside sealed isolation of casing 1.

The button body 21 is made of silica gel or rubber, wherein the button body 21, the mounting opening 210 and the connecting column 211 thereof are of a plastic mold integrated structure, and the formation of the through hole 220 in the button carrier 22, the elastic column 221, the connecting hole 222 and the elastic reset pad are also of a plastic mold integrated structure.

The elastic reset pad is composed of an outer ring 223 connected with the through hole 220, an inner ring 224 connected with the outer wall of the elastic column 221, and an elastic ring 225 connecting the outer ring 223 and the inner ring 224, wherein the axial height of the outer ring 223 is lower than that of the inner ring 224, and the lower end part of the mounting hole 210 is abutted against the inner ring 224. The height difference formed by the outer ring 223 and the inner ring 224 is used as an elastic action gap, and a reset elastic component is formed by the action of an elastic ring 225 connected between the outer ring 223 and the inner ring 22, so that the button body 21 is reset in a rebound manner after being pressed.

The push button switch 31 is oppositely disposed at the lower end of the connection post 211.

Example (b): please refer to fig. 1-3. A humidifier uses the waterproof button structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A waterproof button structure is characterized by comprising a mounting shell (1), button assemblies (2) and a circuit board (3) provided with at least one button switch (31), wherein an accommodating space (10) is arranged in the mounting shell (1), at least one button hole (11) communicated with the accommodating space (10) is formed in the outer side of the upper part of the mounting shell, the circuit board (3) is erected below the accommodating space (10) corresponding to each button hole (11), the button assemblies (2) are arranged in each button hole (11), and each button assembly (2) is arranged corresponding to the button switch (31) on the circuit board (3) positioned below the button assembly;

each button assembly (2) comprises a button body (21) and a button bearing body (22) which are assembled together, a through hole (220) is formed in the button bearing body (22), an elastic column (221) is arranged in the through hole (220), the elastic column (221) is connected with the inner wall of the through hole (220) into a whole through an elastic reset pad in the radial direction, and a connecting hole (222) is formed in the elastic column (221) in the axial direction;

the preparation material of button body (21) is soft material, installing port (210) have been seted up to its axial downside, axial is equipped with spliced pole (211) in installing port (210), button body (21) upper end outside is equipped with platform edge (212), elastic column (221) extend to in installing port (210), spliced pole (211) are located connecting hole (222), the upper end of button body (21) is located button hole (11), the platform edge (212) of button body (21) is compressed tightly on the inner wall of casing (1) by button supporting body (22), the inside and outside sealed isolation of casing (1).

2. The waterproof button structure according to claim 1, wherein the elastic reset pad is composed of an outer ring (223) connected to the through hole (220), an inner ring (224) connected to an outer wall of the elastic column (221), and an elastic ring (225) connecting the outer ring (223) and the inner ring (224), an axial height of the outer ring (223) is lower than an axial height of the inner ring (224), and a lower end portion of the mounting opening (210) abuts against the inner ring (224).

3. The waterproof button structure according to claim 1, wherein the button switch (31) is oppositely disposed at the lower end of the connecting column (211).

4. A humidifier using the waterproof button structure according to any one of claims 1 to 3.