CN213958831U

CN213958831U - Circular key capable of being quickly disassembled and assembled

Info

Publication number: CN213958831U
Application number: CN202023239879.5U
Authority: CN
Inventors: 王保国; 黄建玲; 孟小磊
Original assignee: Kunshan Kunlihong Rubber And Plastic Products Co ltd
Current assignee: Kunshan Kunlihong Rubber And Plastic Products Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-08-13
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a circular key capable of being rapidly disassembled and assembled, which comprises a key shell, a key core and a base; the center of the base is provided with a socket for accommodating the key core, the base is rotatably connected with the key core, the upper surface of the key core is provided with a key cap, the key shell is provided with a key mounting groove, and the key cap is in interference fit with the key mounting groove; the upper surface symmetry of base is equipped with the installing port, be fixed with the elastic component in the installing port, the lower surface symmetry of key shell is equipped with the erection column, the erection column with the elastic component is connected in order to realize the fixed connection of base and key shell. The utility model discloses a key shell, key core and base three demountable assembly are convenient for change the accessory alone after damaging, and the cost is reduced.

Description

Circular key capable of being quickly disassembled and assembled

Technical Field

The utility model belongs to the technical field of the button, especially, relate to a but quick assembly disassembly's circular button.

Background

Various electronic devices, such as mobile phones, notebook computers, and POS devices, or electronic devices applied to automobiles, cranes, and various large-scale processing and manufacturing equipment, are inevitably provided with a key module for various operations. The key module generally includes a key panel and a switch circuit board disposed below the key panel, and a key disposed on the key panel is pressed to cause a conductive base of the key to move down to trigger a circuit on the switch circuit board, so as to generate a corresponding key signal.

The existing key panel is mostly integrally formed, is not wear-resistant, is easy to cause blockage phenomenon in the long-time use process, needs to replace the whole key and is high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a but quick assembly disassembly's circular button, through key shell, key core and base three demountable assembly, is convenient for change the accessory alone after damaging, the cost is reduced.

In order to solve the technical problem, the utility model discloses a technical scheme be: a circular key capable of being quickly disassembled and assembled comprises a key shell, a key core and a base; the center of the base is provided with a socket for accommodating the key core, the base is rotatably connected with the key core, the upper surface of the key core is provided with a key cap, the key shell is provided with a key mounting groove, and the key cap is in interference fit with the key mounting groove;

the upper surface of the base is symmetrically provided with mounting ports, elastic pieces are fixed in the mounting ports, mounting columns are symmetrically arranged on the lower surface of the key shell, and the mounting columns are connected with the elastic pieces to realize the fixed connection of the base and the key shell;

and a waterproof layer is arranged on the outer surface of the key shell.

The utility model discloses a solve the further technical scheme that its technical problem adopted and be:

furthermore, the inner wall of the socket is symmetrically provided with clamping blocks, and the outer wall of the key core is symmetrically provided with clamping grooves matched with the clamping blocks.

Furthermore, the clamping block and the clamping groove are both arc-shaped structures.

Furthermore, the outer wall of the key core is symmetrically inwards recessed to form a position-giving opening, and the radian of the position-giving opening is matched with that of the clamping block.

Further, the waterproof layer is a thermoplastic elastomer waterproof layer.

Further, the elastic component is a spring, one end of the spring is fixedly connected with the bottom wall of the mounting opening, and the other end of the spring is in interference fit with the mounting column.

Further, the key shell is a silica gel key shell.

Further, the free end of the mounting column is in a conical structure.

The beneficial effects of the utility model are that following several points have at least:

1. the key core of the utility model is provided with the abdicating port and the clamping groove, after the abdicating port is aligned with the clamping block, the key core is rotated to lead the clamping block to be screwed into the clamping groove to realize the connection of the key core and the base;

2. the base of the utility model is provided with an installation port, and the connection between the key shell and the base is realized after the installation column is sleeved with the elastic piece;

3. the utility model discloses a key shell, key core and base three demountable assembly are convenient for change the accessory alone after damaging, and the cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the key core of the present invention;

FIG. 3 is a schematic structural view of the key housing of the present invention;

the parts in the drawings are marked as follows:

the key comprises a key shell 1, a key mounting groove 11, a mounting column 12, a key core 2, a key cap 21, a clamping groove 22, a yielding port 23, a base 3, a sleeve port 31, a mounting port 32, a clamping block 33 and an elastic piece 4.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Example (b): a circular key capable of being quickly disassembled and assembled is shown in figures 1-3 and comprises a key shell 1, a key core 2 and a base 3; the center of the base is provided with a sleeve joint 31 for accommodating the key core, the base is rotatably connected with the key core, the upper surface of the key core is provided with a key cap 21, the key shell is provided with a key mounting groove 11, and the key cap is in interference fit with the key mounting groove;

the upper surface of the base is symmetrically provided with mounting ports 32, elastic pieces 4 are fixed in the mounting ports, mounting columns 12 are symmetrically arranged on the lower surface of the key shell, and the mounting columns are connected with the elastic pieces to realize the fixed connection of the base and the key shell;

and a waterproof layer is arranged on the outer surface of the key shell.

The inner wall symmetry of socket is equipped with joint piece 33, the outer wall symmetry of key core is equipped with joint groove 22 that the joint piece matches.

The clamping block and the clamping groove are of arc structures.

The outer wall of the key core is symmetrically and inwards sunken to form a position-giving opening 23, and the radian of the position-giving opening is matched with that of the clamping block. One end of the clamping groove is communicated with the abdicating port, so that the clamping block can be conveniently screwed into the clamping groove.

The waterproof layer is a thermoplastic elastomer waterproof layer.

The elastic piece is a spring, one end of the spring is fixedly connected with the bottom wall of the mounting hole, and the other end of the spring is in interference fit with the mounting column.

The key shell is a silica gel key shell.

The free end of the mounting column is of a conical structure.

The working principle of the utility model is as follows:

the key core of the utility model is provided with the abdicating port and the clamping groove, after the abdicating port is aligned with the clamping block, the key core is rotated to lead the clamping block to be screwed into the clamping groove to realize the connection of the key core and the base;

the utility model discloses a base has the installing port, realizes being connected of key shell and base after cup jointing erection column and elastic component.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.

Claims

1. The utility model provides a but quick assembly disassembly's circular button which characterized in that: comprises a key shell (1), a key core (2) and a base (3); the center of the base is provided with a sleeve joint (31) for accommodating the key core, the base is rotationally connected with the key core, the upper surface of the key core is provided with a key cap (21), the key shell is provided with a key mounting groove (11), and the key cap is in interference fit with the key mounting groove;

the upper surface of the base is symmetrically provided with mounting ports (32), elastic pieces (4) are fixed in the mounting ports, mounting columns (12) are symmetrically arranged on the lower surface of the key shell, and the mounting columns are connected with the elastic pieces to realize the fixed connection of the base and the key shell;

and a waterproof layer is arranged on the outer surface of the key shell.

2. The circular quick release button of claim 1, further comprising: the inner wall of the socket is symmetrically provided with clamping blocks (33), and the outer wall of the key core is symmetrically provided with clamping grooves (22) matched with the clamping blocks.

3. The circular quick release button of claim 2, further comprising: the clamping block and the clamping groove are of arc structures.

4. The circular quick release button of claim 2, further comprising: the outer wall of the key core is symmetrically inwards recessed to form a position yielding opening (23), and the radian of the position yielding opening is matched with that of the clamping block.

5. The circular quick release button of claim 1, further comprising: the waterproof layer is a thermoplastic elastomer waterproof layer.

6. The circular quick release button of claim 1, further comprising: the elastic piece is a spring, one end of the spring is fixedly connected with the bottom wall of the mounting hole, and the other end of the spring is in interference fit with the mounting column.

7. The circular quick release button of claim 1, further comprising: the key shell is a silica gel key shell.

8. The circular quick release button of claim 1, further comprising: the free end of the mounting column is of a conical structure.