CN211907294U

CN211907294U - Thin keyboard key

Info

Publication number: CN211907294U
Application number: CN201922419296.1U
Authority: CN
Inventors: 周斌; 卢俊生; 姚书平
Original assignee: Kunshan Joing Technology Co ltd
Current assignee: Kunshan xingxiehe Technology Co., Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-10
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a slim keyboard button, slim keyboard button include the base, install in circuit board, key cap on the base and connect in the key cap with strutting arrangement between the base, strutting arrangement drives the key cap orientation or deviate from the base removes, the key cap includes the key cap body and sets up the enhancement piece on the key cap body. The utility model discloses an add on the key cap body and establish the enhancement piece, can reduce the thickness of key cap body under the prerequisite of guaranteeing key cap body intensity, and then reduce the height of whole button and keyboard, reach frivolous designing requirement.

Description

Thin keyboard key

Technical Field

The utility model relates to a slim keyboard button.

Background

With the continuous development of science and technology, various electronic devices emerge in large numbers. The keys and the keyboard are common devices of many electronic devices, are used for inputting text information and realizing partial mouse functions and the like, and are commonly provided with a notebook computer and the like. The keys and the keyboard are components of the computer, are developed in the directions of light and thin design, flexibility and low cost, have the advantages of small volume, light weight, simplicity in operation and the like, and are widely applied to various products such as intelligent electronic instruments, medical instruments, numerical control machines, communication equipment, office supplies, household appliances, computer keyboards and the like. Conventional key and keyboard structures mainly include keycaps, support devices, bases, and circuit boards. The total height of the existing keys and keyboards cannot meet the light and thin design requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can also reduce the slim keyboard button of button height when guaranteeing button intensity.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a thin keyboard key comprises a base, a circuit board installed on the base, a key cap and a supporting device connected between the key cap and the base, wherein the supporting device drives the key cap to move towards or away from the base, and the key cap comprises a key cap body and a reinforcing sheet arranged on the key cap body.

Preferably, the reinforcing sheet is made of a metal sheet.

Preferably, the reinforcing sheet is cuboid, cylindrical or special-shaped.

Preferably, the keycap body faces the lower end face of the base, and the reinforcing sheet is fixedly connected to the lower end face of the base through hot melting.

Optimized, the key cap body orientation the face of base is its lower terminal surface, strengthen the piece and inlay through moulding plastics and locate in the key cap body.

Preferably, the supporting device comprises scissors connecting the key cap body and the base and an elastic part providing resilience force of the key cap body.

Preferably, a first clamping block and a first inserting block are arranged on the lower end face of the keycap body, a second clamping block and a second inserting block are arranged on the upper end face of the base, a first clamping groove and a first inserting groove are respectively formed in the first clamping block and the first inserting block, a second clamping groove and a second inserting groove are respectively formed in the second clamping block and the second inserting block, notches of the first clamping groove and the second clamping groove are arranged downwards and obliquely upwards, notches of the first inserting groove and the second inserting groove are arranged in the same direction, a first clamping shaft and a first inserting plate corresponding to the first clamping groove and the first inserting groove are respectively arranged on two sides of the upper end of the scissor foot, a second clamping shaft and a third clamping shaft corresponding to the second clamping groove and the second inserting groove are respectively arranged on two sides of the lower end of the scissor foot, the first inserting plate is movably inserted into the first inserting groove, and the first clamping shaft, The second clamping shaft and the third clamping shaft are respectively and rotatably clamped in the first clamping groove, the second clamping groove and the second slot.

Furthermore, the scissors foot comprises a first plate and a second plate which are connected through a pivot, the rotating shafts of the first plate and the second plate are first rotating shafts, and the opening directions of the notches of the first slot and the second slot are back to the first rotating shafts of the scissors foot.

Furthermore, the first clamping groove and the second clamping groove are both in a shape with a large belly and a small mouth, and the notch of the second clamping groove inclines towards the direction deviating from the first rotating shaft.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses an add on the key cap body and establish the enhancement piece, can reduce the thickness of key cap body under the prerequisite of guaranteeing key cap body intensity, and then reduce the height of whole button and keyboard, reach frivolous designing requirement.

Drawings

FIG. 1 is a schematic structural diagram of a keyboard key according to a first embodiment;

FIG. 2 is an exploded view of a keyboard key according to one embodiment;

FIG. 3 is a schematic structural diagram of a keyboard key according to a second embodiment;

FIG. 4 is an exploded view of the keys of the keyboard according to the second embodiment;

FIG. 5 is a top view of a reinforcing sheet according to the first embodiment;

FIG. 6 is a top view of a reinforcing sheet according to the second embodiment;

FIG. 7 is a top view of a reinforcing sheet according to a third embodiment.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings.

Example one

As shown in fig. 1-2, the thin keyboard key includes a base 4, a circuit board 3 mounted on the base 4, a key cap 1, and a supporting device 2 connected between the key cap 1 and the base 4, wherein the supporting device 2 drives the key cap 1 to move toward or away from the base 4, and the key cap 1 includes a key cap body 11 and a reinforcing plate 12 disposed on the key cap body 11.

The reinforcing sheet 12 is made of a metal sheet, specifically: the reinforcing sheet 12 is made of an iron sheet, a stainless steel sheet or an aluminum sheet, and is optimally made of a stainless steel sheet; as shown in fig. 5, the reinforcing sheet has a rectangular parallelepiped shape. The surface of the keycap body 11 facing the base 4 is the lower end surface thereof, and the reinforcing sheet 12 is fixedly connected to the lower end surface of the base 4 through hot melting.

The supporting device 2 comprises scissors 21 connecting the key cap body 11 and the base 4 and an elastic member 22 providing resilience of the key cap body 11. A first clamping block 111 and a first inserting block 112 are arranged on the lower end face of the keycap body 11, a second clamping block 41 and a second inserting block 42 are arranged on the upper end face of the base 4, a first clamping groove 1111 and a first inserting groove 1121 are respectively arranged on the first clamping block 111 and the first inserting block 112, a second clamping groove 411 and a second inserting groove 421 are respectively arranged on the second clamping block 41 and the second inserting block 42, notches of the first clamping groove 1111 and the second clamping groove 411 are arranged downwards and obliquely upwards, notches of the first inserting groove 1121 and the second inserting groove 421 are arranged in the same direction, a first clamping shaft 211 and a first inserting plate 214 corresponding to the first clamping groove 1111 and the first inserting groove 1121 are respectively arranged on two sides of the upper end of the scissor pin 21, a second clamping shaft 212 and a third clamping shaft 213 corresponding to the second clamping groove 411 and the second inserting groove 421 are respectively arranged on two sides of the lower end of the scissor pin 21, the first inserting plate 214 is movably inserted into the first clamping groove 1121, the first clamping shaft 211, the second clamping shaft 212 and the third clamping shaft 213 are respectively rotatably arranged on the first clamping shaft 1111 and the first clamping shaft 213, A second card slot 411 and a second card slot 421. The scissor leg 21 comprises a first plate 23 and a second plate 24 which are pivotally connected, the rotating shafts of the first plate 23 and the second plate 24 are first rotating shafts 25, the second clamping shaft 212 and the first inserting plate 214 are formed on the first plate 23, the first clamping shaft 211 and the third clamping shaft are formed on the second plate 24, and the opening directions of the notches of the first slot 1121 and the second slot 421 face away from the first rotating shafts 25 of the scissor leg 21. The first slot 1111 and the second slot 411 are both shaped like a big belly, and the slot of the second slot 411 is inclined in a direction departing from the first rotation shaft 25.

The manufacturing method of the thin keyboard key comprises the following steps:

step (a), injecting a keycap body 11 through molding, and hot-melting a reinforcing sheet 12 onto the lower end face of the keycap body 11 to form a keycap 1, or putting the reinforcing sheet 12 into an injection molding mold, and injecting the keycap body 11 to be directly molded on the reinforcing sheet 12 to form the keycap 1; step (b) mounting the circuit board 3 on the base 4; step (c), mounting the supporting device 2 on the base 4; and (d) mounting the keycap 1 on the supporting device 2.

Example two

As shown in fig. 3-4, the thin keyboard key includes a base 4, a circuit board 3 mounted on the base 4, a key cap 1, and a supporting device 2 connected between the key cap 1 and the base 4, wherein the supporting device 2 drives the key cap 1 to move toward or away from the base 4, and the key cap 1 includes a key cap body 11 and a reinforcing plate 12 disposed on the key cap body 11.

The reinforcing sheet 12 is made of sheet metal specifically: the reinforcing sheet 12 is made of an iron sheet, a stainless steel sheet or an aluminum sheet, and is optimally made of a stainless steel sheet; as shown in fig. 6, the reinforcing sheet has a cylindrical shape. The surface of the key cap body 11 facing the base 4 is the lower end surface thereof, and the reinforcing sheet 12 is embedded in the key cap body 11 through injection molding.

step (a), putting a reinforcing sheet 12 into an injection molding mold, and ejecting a keycap body 11 to be directly molded on the reinforcing sheet 12 to form a keycap 1;

step (b) mounting the circuit board 3 on the base 4;

step (c), mounting the supporting device 2 on the base 4;

step (d), installing the keycap 1 on the supporting device 2,

the reinforcing sheet 12 corresponds with the shape of the key cap body 11 in the embodiment, and the main sheet 121 with the arc shape and the wing part 122 extending downwards along the edge of the main sheet can not only ensure the strength of the key cap body 11, but also facilitate the improvement of the forming speed of the key cap body 11 during injection molding.

EXAMPLE III

As shown in fig. 7, the present embodiment is different from the first embodiment in that: the reinforcing sheet is in a waist-shaped column shape formed by splicing a cuboid and an arc-shaped column.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a slim keyboard button, its include the base, install in circuit board, key cap on the base and connect in the key cap with strutting arrangement between the base, strutting arrangement drives the key cap orientation or deviate from the base removes its characterized in that: the key cap includes the key cap body and sets up the enhancement piece on the key cap body.

2. The thin keyboard key of claim 1, wherein: the reinforcing sheet is made of a metal sheet.

3. The thin keyboard key of claim 1, wherein: the reinforcing sheet is cuboid and cylindrical.

4. The thin keyboard key of claim 1, wherein: the key cap body is towards the face of base is its lower terminal surface, strengthen the piece through hot melt fixed connection in on the lower terminal surface of base.

5. The thin keyboard key of claim 1, wherein: the key cap body orientation the face of base is its lower terminal surface, strengthen the piece and inlay through moulding plastics and locate in the key cap body.

6. The thin keyboard key of claim 1, wherein: the supporting device comprises scissors feet which connect the keycap body and the base and an elastic piece which provides resilience force of the keycap body.

7. The thin keyboard key of claim 6, wherein: the key cap comprises a key cap body and is characterized in that a first clamping block and a first inserting block are arranged on the lower end face of the key cap body, a second clamping block and a second inserting block are arranged on the upper end face of a base, a first clamping groove and a first inserting groove are respectively formed in the first clamping block and the first inserting block, a second clamping groove and a second inserting groove are respectively formed in the second clamping block and the second inserting block, notches of the first clamping groove and the second clamping groove face downwards and are obliquely arranged upwards, notches of the first inserting groove and the second inserting groove are arranged in the same direction, a first clamping shaft and a first inserting plate corresponding to the first clamping groove and the first inserting groove are respectively arranged on two sides of the upper end of a scissor pin, a second clamping shaft and a third clamping shaft corresponding to the second clamping groove and the second inserting groove are respectively arranged on two sides of the lower end of the scissor pin, the first inserting plate is movably inserted into the first inserting groove, and the first clamping shaft, the second clamping shaft and the third clamping shaft are respectively rotatably arranged in the first clamping groove, The second card slot and the second slot.

8. The thin keyboard key of claim 7, wherein: the scissors foot comprises a first plate and a second plate which are connected through a pivot, the rotating shafts of the first plate and the second plate are first rotating shafts, and the opening directions of the notches of the first slot and the second slot are back to the first rotating shafts of the scissors foot.

9. The thin keyboard key of claim 8, wherein: first draw-in groove and second draw-in groove all are big belly shape, the notch of second draw-in groove inclines to the direction that deviates from first pivot.