CN219457403U

CN219457403U - Waterproof structure of key

Info

Publication number: CN219457403U
Application number: CN202320461526.4U
Authority: CN
Inventors: 朱江涛; 向文林; 陈可夫; 许立; 向文明
Original assignee: Zuodian Industrial Hubei Co Ltd
Current assignee: Zuodian Industrial Hubei Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-01
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the technical field of key waterproofing, in particular to a key waterproofing structure, which comprises: a housing having at least one recess in an outer wall thereof; the key is positioned in the groove, and a triggering part extending into the shell and two connecting parts are fixed on one side of the key; the sealing ring is clamped and arranged between the key and the peripheral wall of the groove; a spring positioned between the key and the inner end wall of the groove; the clamp spring is clamped between the two connecting parts; the electric control plate is assembled in the shell, and the induction button which is arranged corresponding to the triggering part is arranged on the electric control plate.

Description

Waterproof structure of key

Technical Field

The utility model relates to the technical field of key waterproofing, in particular to a key waterproofing structure.

Background

The waterproof key switch is a key switch which can be operated by wet hands, can be used in a certain wet environment needing the waterproof key switch, has a plurality of brands and types of waterproof key switches on the market, but has a good waterproof sealing performance in a real sense, and has a small number of key switches;

when the key is operated, the movement of the key can cause the generation of gaps at the connecting positions, the occurrence of the conditions that the electronic equipment is affected with damp or wet water is easy to occur, and the service life of the electronic equipment is seriously influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides a key waterproof structure.

The technical scheme adopted for solving the technical problems is as follows: a key waterproof structure, comprising:

a housing having at least one recess in an outer wall thereof;

the key is positioned in the groove, and a triggering part extending into the shell and two connecting parts are fixed on one side of the key;

the sealing ring is clamped and arranged between the key and the peripheral wall of the groove;

a spring positioned between the key and the inner end wall of the groove;

the clamp spring is clamped between the two connecting parts;

the electric control board is assembled in the shell, and an induction button corresponding to the triggering part is arranged on the electric control board.

Preferably, a circle of concave ring is arranged on the periphery of the key, and a sealing ring is sleeved in the concave ring.

Preferably, the inner edge of the shell is provided with a vertical groove, and the electric control plate is attached to the inner wall of the vertical groove.

Preferably, the connecting portions are of an L-shaped structural design, and the grooves are provided with first through holes corresponding to the connecting portions.

Preferably, the clamp spring is of a concave structure design, and two ends of the clamp spring are provided with clamping protrusions.

Preferably, the spring is sleeved on the periphery of the triggering part, and a second perforation is arranged on the groove corresponding to the triggering part.

The utility model has the beneficial effects that:

according to the key waterproof structure, after the key is pressed, the sensing button can be triggered, the spring is pressed against the key to reset after the key is loosened, the clamp spring can limit the key not to be separated from the groove, the sealing ring slides in the groove in the process of operating the key, the interference is extruded between the key and the groove, the movable sealing effect is achieved, the waterproof performance is good, and the assembly is simple.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is an exploded view of a waterproof structure of a key according to the present utility model;

fig. 2 is a partial sectional view of a waterproof structure of a key according to the present utility model.

In the figure: 1. a housing; 11. a groove; 12. a vertical groove; 2. a key; 21. a trigger part; 22. a connection part; 23. a concave ring; 3. a seal ring; 4. a spring; 5. clamping springs; 6. an electric control board; 61. and (5) sensing a button.

Description of the embodiments

The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-2, a key waterproof structure according to the present utility model includes: a housing 1, the outer wall of which has at least one recess 11; a key 2, which is located in the groove 11, wherein a trigger part 21 extending into the casing 1 and two connecting parts 22 are fixed on one side of the key 2; a sealing ring 3 which is arranged between the key 2 and the peripheral wall of the groove 11 in a clamping manner; a spring 4, which is located between the key 2 and the inner end wall of the groove 11; a snap spring 5 which is clamped between the two connecting parts 22; an electric control board 6 which is assembled in the housing 1, and an induction button 61 which is arranged corresponding to the triggering part 21 is arranged on the electric control board 6;

specifically, during assembly, the spring 4 is sleeved on the outer side of the trigger part 21, the sealing ring 3 is sleeved on the outer side of the key 2, then the key 2 is inserted into the alignment groove 11, after the trigger part 21 and the connecting part 22 penetrate through the shell 1, the clamp spring 5 is clamped between the two connecting parts 22, and assembly is completed;

specifically, when in use, the key 2 is pressed, the spring 4 is pressed by the key 2, so that the trigger part 21 can contact the sensing button 61, the piezoelectric signal is transmitted to the control system by the sensing button 61, after the pressing is finished, the key 2 is reset under the action of the elasticity of the spring 4, and the key 2 cannot be separated from the groove 11 under the limiting action of the clamp spring 5;

optionally, the key 2 is made of transparent or semitransparent plastic material, and the front surface of the key 2 is provided with a mark, so that a user can conveniently press according to the mark;

optionally, the sealing ring 3 is made of silica gel or rubber material, and is adapted to the contour design of the key 2;

optionally, the sensing button 61 may be in a piezoelectric sensing manner, when a person touches the key 2 and senses the button, the trigger part 21 abuts against the sensing button 61, so that the capacitance value of the sensing button 61 changes, and the control circuit board captures the change of the capacitance value, so that the command can be input;

optionally, an indicator light may be further disposed on the electronic control board 6, where when the electronic device is running, the indicator light is turned on, and the light may pass through the transparent or semitransparent key 2 to prompt the application state of the electronic device.

Further, a circle of concave ring 23 is arranged on the periphery of the key 2, and a sealing ring 3 is sleeved in the concave ring 23;

specifically, the concave ring 23 can prevent the seal ring 3 from shifting, so that the seal ring 3 and the key 2 move synchronously.

Further, a vertical groove 12 is formed in the inner edge of the shell 1, and the electric control plate 6 is attached to the inner wall of the vertical groove 12;

specifically, the electric control board 6 is adhered or screwed to one side of the vertical groove 12 so that the position of the electric control board 6 is not changed.

Further, the connecting portions 22 are all in an L-shaped structure, and the grooves 11 are provided with first through holes corresponding to the connecting portions 22;

specifically, when the connecting portion 22 resets, the snap spring 5 is abutted against the bending portion of the connecting portion 22, so that the key 2 can be prevented from being directly pulled out.

Further, the clamp spring 5 is in a concave structure design, and two ends of the clamp spring 5 are provided with clamping protrusions;

specifically, the distance between the two ends of the snap spring 5 is the same as the distance between the two connecting parts 22, and the snap spring protrudes to prevent falling.

Further, the spring 4 is sleeved on the periphery of the triggering part 21, and a second perforation is arranged on the groove 11 corresponding to the triggering part 21;

specifically, the trigger portion 21 is slidable within the second perforation so that the spring 4 can be in a compressed state.

When using, press button 2, button 2 extrudees spring 4 compression for trigger part 21 can contact sensing button 61, is transmitted this piezoelectricity signal to control system by sensing button 61, presses the back, under the elasticity effect of spring 4, button 2 resets, under the spacing effect of jump ring 5, button 2 can not break away from recess 11, and sealing washer 3 has played movable seal's effect, and waterproof nature is good, and the assembly is simple and easy.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A waterproof key structure, comprising:

a housing (1) having at least one recess (11) in its outer wall;

the key (2) is positioned in the groove (11), and a triggering part (21) extending into the shell (1) and two connecting parts (22) are fixed on one side of the key (2);

the sealing ring (3) is clamped and arranged between the key (2) and the peripheral wall of the groove (11);

a spring (4) positioned between the key (2) and the inner end wall of the groove (11);

the clamping spring (5) is clamped between the two connecting parts (22);

and the electric control board (6) is assembled in the shell (1), and the electric control board (6) is provided with an induction button (61) which is arranged corresponding to the triggering part (21).

2. The key waterproof structure according to claim 1, wherein: the periphery of the key (2) is provided with a circle of concave ring (23), and a sealing ring (3) is sleeved in the concave ring (23).

3. The key waterproof structure according to claim 1, wherein: the inner edge of the shell (1) is provided with a vertical groove (12), and the electric control plate (6) is attached to the inner wall of the vertical groove (12).

4. The key waterproof structure according to claim 1, wherein: the connecting portions (22) are of L-shaped structural design, and first through holes are formed in the grooves (11) corresponding to the connecting portions (22).

5. The key waterproof structure according to claim 1, wherein: the clamp spring (5) is of a concave structural design, and two ends of the clamp spring (5) are provided with clamping protrusions.

6. The key waterproof structure according to claim 1, wherein: the spring (4) is sleeved on the periphery of the triggering part (21), and a second perforation is arranged on the groove (11) corresponding to the triggering part (21).