CN210864626U

CN210864626U - Silica gel key keyboard

Info

Publication number: CN210864626U
Application number: CN201921497552.2U
Authority: CN
Inventors: 黄继飞
Original assignee: Shenzhen Doking Electronic Technology Co Ltd
Current assignee: Shenzhen Doking Electronic Technology Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-26
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses a silica gel keypad, including the keyboard body, the keyboard body includes PCBA board and silica gel button, and the silica gel button includes key cap and key axle, and the key axle is hollow round platform shape, and the bottom of key cap is equipped with conductive particle, and conductive particle is located the key axle, is equipped with the conducting strip that is located silica gel button below on the PCBA board, conducting strip and PCBA board electric connection. The key is integrally formed by using the silica gel material, the key shaft is in a hollow round platform shape, when a user presses the key, the bottom of the silica gel key shaft extends to the periphery under the pressing action, the conductive particles at the bottom of the keycap are contacted with the conductive sheet to conduct the PCBA board circuit, and the key is integrally formed by using the silica gel material, so that the material cost is reduced, compared with the existing production and installation mode of the plastic keycap and the key shaft, the number of structural components is reduced, namely, the installation and processing steps are reduced, and the production efficiency is improved; compared with the keys of the thin film keyboard, the silica gel keys are more elastic and have better hand feeling experience.

Description

Silica gel key keyboard

Technical Field

The utility model relates to a keyboard technical field especially relates to a silica gel key keyboard.

Background

The keyboard is the most common and main input device, and english letters, numbers, punctuations and the like can be input into the communication device through the keyboard, so as to send commands, input data and the like to the communication device. Most of the existing keyboards are thin-film keyboards, the thin-film keyboards are poor in hand feeling, weak in elasticity after being used for a long time, and short in service life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a silica gel key keyboard which has good hand feeling, long service life, difficult deformation and key integration.

The utility model discloses a following technical measure realizes, including the keyboard body, the keyboard body includes PCBA board and silica gel button, the silica gel button includes key cap and key shaft, the key shaft is hollow round platform shape, the bottom of key cap is equipped with conductive particle, conductive particle is located in the key shaft, be equipped with on the PCBA board and be located the conducting strip of silica gel button below, the conducting strip with PCBA board electric connection.

Preferably, the conducting strips are two copper sheets arranged at intervals.

In a preferred embodiment, the conductive particles are conductive rubber sheets containing graphite powder.

As a preferable mode, a convex column is convexly arranged at the bottom of the keycap, the convex column is located in the key shaft, and the conductive particles are arranged on the convex column.

Preferably, the bottom of the key shaft is provided with a notch.

As a preferred mode, the keyboard body is a Bluetooth keyboard, and one side of the keyboard body is provided with a Bluetooth switch.

As a preferable mode, one side of the keyboard body is provided with an indicator light.

As a preferable mode, the lower surface of the keyboard body is provided with a foot pad.

The utility model provides a silica gel key keyboard, the button uses silica gel material integrated into one piece, the key cap and key shaft link as an organic whole, the key shaft is the hollow round platform shape, the rebound speed is faster after pressing down the button, the atress is even, non-deformable; the bottom of the keycap is provided with conductive particles, and the conductive particles are in contact conduction with the conductive sheet to replace the conduction mode of the thin-film keyboard, so that the stroke is longer, and the paragraph sense is stronger; the keys are integrally formed by using the silica gel material, so that the material cost is reduced, and compared with the existing production and installation mode of the plastic keycaps and the key shafts, the number of structural components is reduced, namely, the installation and processing steps are reduced, and the production efficiency is improved; compared with the keys of the thin film keyboard, the silica gel keys are more elastic and have better hand feeling experience.

Drawings

Fig. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a front view of an embodiment of the present invention;

fig. 3 is a right side view of an embodiment of the present invention;

fig. 4 is a cross-sectional view of a key according to an embodiment of the present invention.

Number and name in the figure: 1. keyboard body 11, upper cover 12, lower cover 13, lithium cell 2, button 21, key cap 22, key shaft 23, conducting particle 24, projection 25, breach 3, PCBA board 4, conducting strip 41, copper sheet 5, bluetooth switch 6, LED pilot lamp 7, callus on the sole

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a silica gel keypad, refer to fig. 1 to 4, including keyboard body 1, keyboard body 1 includes upper cover 11, lower cover 12, PCBA board 3 and silica gel button 2, upper cover 11 connects with lower cover 12, the lower surface of lower cover 12 is equipped with the callus on the sole 7 that reduces friction, key cap 21 and key shaft 22 that silica gel button 2 includes, key shaft 22 is hollow round platform shape, the bottom center of key cap 21 is equipped with conductive particle 23, conductive particle 23 is conductive rubber piece 23, there is graphite powder or carbon fiber powder in the conductive rubber piece 23, conductive particle 23 is located key shaft 22, be equipped with conducting strip 4 that is located the silica gel button 2 below on the PCBA board 3, this conducting strip 4 and PCBA board electric connection.

The key 2 of the silica gel key keyboard is integrally formed by using a silica gel material, the key cap 21 and the key shaft 2 are connected into a whole, when the keyboard is used, a user presses the key 2, the key shaft 22 is in a hollow round table shape, the bottom of the silica gel key shaft 22 extends to the periphery under the pressing, the conductive particles 23 at the bottom of the key cap 21 are in contact with the conductive sheet 4, a PCBA board 3 circuit is conducted, the conductive particles 23 at the bottom of the key cap 21 are in contact with the conductive sheet 4 to replace the conduction mode of a thin film keyboard, the stroke is longer, and the section sense is stronger; when a user looses the fingers, the key shaft 2 rebounds, the rebounding speed of the hollow circular truncated cone-shaped key shaft 2 is higher, the stress is uniform, and the key shaft is not easy to deform; the key 2 is integrally formed by using a silica gel material, so that the material cost is reduced, and compared with the existing production and installation mode of the plastic keycap and the key shaft, the plastic keycap and the key shaft have the advantages that the number of structural components is reduced, namely, the installation and processing steps are reduced, and the production efficiency is improved; silica gel button 2 compares that the film keyboard is more flexible, and the resilience sense is stronger when pressing, and the experience of feeling is better.

In one embodiment, referring to fig. 1, the conductive sheet 4 is two copper sheets 41 arranged at intervals, when the key 2 is pressed, the conductive particles 23 contact the two copper sheets 41 at the same time, and the circuit of the PCBA board is conducted.

In an embodiment, referring to fig. 4, the bottom of the key cap 21 is provided with a convex pillar 24 protruding downward, the convex pillar 24 is located in the key shaft 22, the conductive particles 23 are disposed on the convex pillar 24, and the convex pillar 24 can shorten the pressing stroke of the silicone key 2, reduce the finger stress of the user, and make the pressing more portable.

In one embodiment, referring to fig. 4, the bottom of the key shaft 22 is formed with a notch 25, and the surface of the PCBA board 3 is formed with a protrusion corresponding to the notch 25 to prevent the key 2 from moving or rotating after a long time use.

In an embodiment, referring to fig. 1 to 3, the silica gel keypad 1 is a bluetooth keypad, a lithium battery 13 is disposed in the keypad body 1, the lithium battery 13 is electrically connected to the PCBA board 3, and a bluetooth switch 5 is disposed on one side of the keypad body 1 for turning on and off a bluetooth function of the keypad body 1.

In an embodiment, referring to fig. 1 to 3, an LED indicator 6 is disposed on one side of the keyboard body 1 and close to the bluetooth switch 5, and the LED indicator 6 is used to indicate whether the bluetooth function of the keyboard body 1 is turned on or off and whether the bluetooth function is successfully connected to a mobile phone, a tablet, or other devices.

It is right above the utility model discloses explanation that silica gel keypad goes on for help understands the utility model discloses, nevertheless the utility model discloses an embodiment does not receive the restriction of above-mentioned embodiment, and any does not deviate from the utility model discloses change, modification, substitution, combination, simplification made under the principle all should be equivalent replacement mode, all contain within the protection scope of the utility model.

Claims

1. The utility model provides a silica gel keypad, its characterized in that, includes the keyboard body, the keyboard body includes PCBA board and silica gel button, the silica gel button includes key cap and key shaft, the key shaft is hollow round platform shape, the bottom of key cap is equipped with electrically conductive particle, electrically conductive particle is located in the key shaft, be equipped with on the PCBA board and be located the conducting strip of silica gel button below, the conducting strip with PCBA board electric connection.

2. The silica gel keypad of claim 1, wherein the conductive strips are two spaced copper strips.

3. The silica gel keypad of claim 1, wherein the conductive particles are conductive rubber sheets containing graphite powder.

4. The silica gel keypad of claim 1, wherein the key cap has a protruding pillar protruding from a bottom thereof, the protruding pillar being disposed in the key axis, and the conductive particles being disposed on the protruding pillar.

5. The silica gel keypad of claim 1, wherein the bottom of the key shaft is notched.

6. The silica gel keypad of claim 1, wherein the keypad body is a bluetooth keypad, and one side of the keypad body is provided with a bluetooth switch.

7. The silica gel keypad of claim 1, wherein an indicator light is disposed on one side of the keypad body.

8. The silica gel keypad of claim 1, wherein the lower surface of the keypad body is provided with a foot pad.