CN208673950U

CN208673950U - High life key

Info

Publication number: CN208673950U
Application number: CN201821526854.3U
Authority: CN
Inventors: 裴艳伟
Original assignee: Dong Cheng Electronics Co Ltd Of Shenzhen
Current assignee: Dong Cheng Electronics Co Ltd Of Shenzhen
Priority date: 2018-09-18
Filing date: 2018-09-18
Publication date: 2019-03-29
Anticipated expiration: 2028-09-18

Abstract

The utility model embodiment discloses a kind of high life key, including keycap, skew wall, pedestal, the cavity of keycap, skew wall and pedestal composition bottom opening, the cavity be it is round table-like, keyway is offered at the top of the keycap, keycap bottom is equipped with contact；The skew wall bottom is equipped with rib；The bottom of the pedestal offers air channel, and air channel is connected to outside the cavity and the key.The utility model embodiment provides screen resilience by using rib, solves the problems, such as that structure is complicated, assembling is many and diverse, and then saved production cost and improved production efficiency.

Description

High life key

Technical field

The utility model relates to technical field of key more particularly to a kind of high life keys.

Background technique

It contacts key switch to be used in the device elements such as telephone set, remote controler, vehicle, toy, household electrical appliances, these contact-making switches It is typically based on the key of elastic material (usually silicone rubber resina) composition of rubber type or the arrangement of key, these keys is arranged in On circuit board, and the back side of key is provided with conducting element so that when contact element is pressed against on circuit board circuit-board conductors that This connection, achievees the purpose that conducting.

Usually there are two types of schemes:

1, the silicon rubber on & off switch at least one switch dome, switch dome are operated by plastic cement cap, and silicagel pad is logical It is often to be embedded on wiring board by hand by the way of suspension column insertion or mechanical component compresses mode, labor intensive is big and unstable It is fixed；Whole Layout Design is also silica gel push-button application mode, but does not have compatibility between different product, needs to be opened trial-production respectively, Development cycle and at high cost, urgent need standardized solution.

2, using so-called touch-switch, touch-switch is equipped with metal suspension column, can be soldered on circuit boards, installation can It is carried out by SMT, but current light-touch switch construction is complicated, component kind is various, and assembling is many and diverse, expensive.

Utility model content

The technical problem to be solved by the embodiment of the utility model is, providing a kind of high life key, given birth to so as to save It produces cost and improves production efficiency.

In order to solve the above-mentioned technical problem, the utility model embodiment proposes a kind of high life key, including keycap, tiltedly Wall, pedestal, the cavity of keycap, skew wall and pedestal composition bottom opening, the cavity be it is round table-like, offered at the top of the keycap Keyway, keycap bottom are equipped with contact；The skew wall bottom is equipped with rib；The bottom of the pedestal offers air channel, air channel It is connected to outside the cavity and the key.

Further, the angle of the skew wall and pedestal is 141 °.

It further, is the angle R inside and outside the interconnecting piece of the skew wall and keycap, R angular radius is 0.5mm.

Further, the skew wall is 1.4mm with a thickness of 0.3mm, the stroke of the high life key.

The utility model embodiment is passed through by proposing a kind of high life key, including keycap, skew wall, pedestal and rib Screen resilience is provided using rib, solves the problems, such as that structure is complicated, assembling is many and diverse, and then saved production cost and improved life Produce efficiency.

Detailed description of the invention

Fig. 1 is the three-dimensional structure diagram of an angle of the high life key of the utility model embodiment.

Fig. 2 is the three-dimensional structure diagram of another angle of the high life key of the utility model embodiment.

Fig. 3 is the sectional view of an angle of the high life key of the utility model embodiment.

Drawing reference numeral explanation

Keycap 10

Keyway 11

Contact 12

Skew wall 20

Rib 21

Pedestal 30

Air channel 31.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase It mutually combines, the utility model is described in further detail in the following with reference to the drawings and specific embodiments.

If directional instruction (such as up, down, left, right, before and after ...) is only used for explaining in the utility model embodiment In relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the specific appearance When state changes, then directionality instruction also correspondingly changes correspondingly.

If in addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.

FIG. 1 to FIG. 3 is please referred to, the high life key of the utility model embodiment includes keycap 10, skew wall 20, pedestal 30.

Keycap 10, skew wall 20 and pedestal 30 form the cavity of bottom opening.Cavity is round table-like.It is offered at the top of keycap 10 Keyway 11.10 bottom of keycap is equipped with contact 12, by this contact 12, presses FPC wiring thin film, turns it on point contact and formed Circuit conducting.Keyway 11 is used to be correspondingly connected with plastic cement key contacts, placement plastic key with plastic key.Contact 12 is used for 20 bottom of skew wall Portion is equipped with rib 21.Rib 21 is made of elastic material.Preferably, rib 21 has 3, is successively equally spaced set on skew wall 20 FPC is adsorbed when key being avoided to be connected, forms poor flow convenient for being vented when the pushing of skew wall 20 in bottom.The bottom of pedestal 30 opens up There is air channel 31, air channel 31 is connected to outside the cavity and the key.Preferably, air channel 31 totally 4, are opened in respectively The direction of front, rear, left and right 4 of 30 bottom of pedestal.Pedestal 30 is preferably rectangular.

As an implementation, the angle of skew wall 20 and pedestal 30 is 141 °.The utility model is real when angle is 141 ° The handfeel of keys for applying the high life key of example is more preferable, and the service life is longer.

It as an implementation, is the angle R inside and outside the interconnecting piece of skew wall 20 and keycap 10, R angular radius is 0.5mm.When interconnecting piece is the angle R, handfeel of keys is more preferable.

As an implementation, for skew wall 20 with a thickness of 0.3mm, the stroke of the high life key is 1.4mm, take into account by Key feel, service life and volume.

The utility model embodiment can apply SMT technology with respect to usual silicone rubber monomer keystrokes, surface mount silica gel push-button, It is a large amount of to save assembly manually, it greatlys save element assembly cost and greatly improves the accurate reliability of assembly, production attachment efficiency 500 times are promoted, production cost saves 64%；The smallest possible product ruler may be implemented without overhanging leg in the utility model embodiment Very little, saving circuit board space, realizes integrated, a great selection of stroke selected, elastic force feel range to greatest extent, and can be single Solely customize special specification and technical requirements.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. a kind of high life key, including keycap, skew wall, pedestal, the cavity of keycap, skew wall and pedestal composition bottom opening, Be characterized in that, the cavity be it is round table-like, keyway is offered at the top of the keycap, keycap bottom is equipped with contact；The skew wall bottom Portion is equipped with rib；The bottom of the pedestal offers air channel, and air channel is connected to outside the cavity and the key.

2. high life key as described in claim 1, which is characterized in that the angle of the skew wall and pedestal is 141 °.

3. high life key as described in claim 1, which is characterized in that inside and outside the interconnecting piece of the skew wall and keycap It is the angle R, R angular radius is 0.5mm.

4. high life key as described in claim 1, which is characterized in that the skew wall is pressed with a thickness of 0.3mm, the high life The stroke of key is 1.4mm.