CN214705767U

CN214705767U - Long key device of keyboard

Info

Publication number: CN214705767U
Application number: CN202121197586.7U
Authority: CN
Inventors: 蔡佳宏; 林世斌
Original assignee: Sunrex Technology Corp
Current assignee: Sunrex Technology Corp
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-11-12
Anticipated expiration: 2031-05-31

Abstract

A long key device of a keyboard comprises a supporting plate, a keycap, a first balance bar and a second balance bar. The supporting plate comprises a plate body and two pivot seats arranged at the top of the plate body, the key cap comprises two first clamping parts and two second clamping parts, each first balance bar comprises a first cross bar and two first extension bars which are respectively bent and extended from two ends of the first cross bar, each first cross bar can slide and is arranged in the first clamping part, each first extension bar is provided with a first pivot part, each second balance bar also comprises a second cross bar and two second extension bars, each second cross bar can slide and is arranged in the second clamping part, and each second extension bar is provided with a second pivot part which is used for being pivoted with the adjacent first pivot part and corresponds to the first pivot part, so that collision sound generated by resonance of the long key device of the keyboard is reduced.

Description

Long key device of keyboard

Technical Field

The present invention relates to a keyboard, and more particularly to a long key device of a keyboard.

Background

Currently, in order to increase the input efficiency, the width of the key cap of a part of the keys, such as the space key, the enter key, the backspace key, etc., i.e. the long key of the keyboard, is usually adjusted.

In order to avoid when the long key of current keyboard receives the user to strike, because the atress is uneven and leads to the long key slope can set up two balanced strips in the long key, and two open ends of each balanced strip can collude in two collude the knot structures of the bottom plate of keyboard, work as when the long key receives the user to strike, by balanced strip makes the key cap can steadily descend.

However, the balance bar and the bottom plate of the keyboard are made of metal materials, and the balance bar can slide in a sliding area defined by the hooking structure. Therefore, when music is played by the built-in loudspeaker of the computer corresponding to the keyboard, the balance bar and the bottom plate generate larger collision sound and noise due to resonance.

Disclosure of Invention

An object of the utility model is to provide a overcome the long key device of the keyboard of above-mentioned shortcoming.

The utility model discloses a long key device of a keyboard, which comprises a support plate, a film circuit board, a key cap, a first balance bar, a second balance bar and two support pieces; the supporting plate comprises a plate body and two first pivot seats arranged at the top of the plate body at intervals along the width direction, the thin film circuit board is arranged above the supporting plate, the keycap comprises an outer peripheral surface, an inner peripheral surface opposite to the outer peripheral surface, and two first buckling parts and two second buckling parts which are arranged on the inner peripheral surface, the first balance bars comprise first cross bars and two first extension bars which are respectively bent and extended from two opposite ends of the first cross bars towards the same direction, the first cross bars can slide and are arranged on the first buckling parts, each first extension bar is provided with a first pivot part for being pivoted on the corresponding first pivot seat, the first balance bars are made of plastics, the second balance bars comprise second cross bars and two second extension bars which are respectively bent and extended from two opposite ends of the second cross bars towards the same direction, the second cross rods can slide and are arranged on the second buckling parts, each second extending rod is provided with a second pivoting part which is used for being pivoted on the corresponding first pivoting seat together with the adjacent first pivoting part, the first pivoting part and the second pivoting part define an axis corresponding to the width direction together, the second balancing strip is made of plastic, and the supporting piece can rotate and is pivoted between the supporting plate and the inner circumferential surface of the keycap and positioned between the first pivoting seats; when the keycap is pressed, the first balance bar and the second balance bar rotate together around the axis, so that the first cross bar and the second cross bar slide in the corresponding first buckling part and the second buckling part along the length direction perpendicular to the width direction.

The long key device of keyboard, the long key device of keyboard still contains and is located between first pivot seat and set up in the film circuit board with the elastic support body between the key cap.

The long key device of keyboard, the perforation is defined out to each first pivot portion of establishing, and each second pivot portion of establishing wears to locate correspondingly first pivot portion of establishing perforate, and with corresponding first pivot portion of establishing sets up jointly in corresponding the pivot seat makes first balance bar with second balance bar jointly with first pivot portion of establishing with the second pivot portion of establishing defines the axis is the rotation of axes.

The long key device of keyboard, first horizontal pole has first horizontal pole body, and is located two first lug portions of the double-phase anti-end of first horizontal pole body, first lug portion can slide and set up in first buckling part, the second horizontal pole has second horizontal pole body, and is located two second lug portions of the double-phase anti-end of second horizontal pole body, second lug portion can slide and set up in second buckling part.

The long key device of keyboard, the key cap still include a plurality of set up in the installation department of inner peripheral surface, the support piece lock the installation department with the key cap is connected.

The long key device of keyboard, the backup pad still includes two edges the width direction interval set up in the second pivot seat at plate body top, support piece can rotate and the pivot is located second pivot seat with between the installation department.

The long key device of keyboard, first pivot is established the portion and is the sleeve, the portion is established to the second pivot is the pivot pole.

The long key device of keyboard, support piece is scissors foot module.

The utility model discloses a profitable effect lies in: the utility model discloses the long key device of keyboard by inciting somebody to action first balance bar with the second balance bar first pivot establish the portion with the pivot of second pivot is established the backup pad makes the backup pad first balance bar with do not possess between the second balance bar and supply gliding clearance, can effectively reduce the collision sound that the long key device of this novel keyboard produced because of resonance when the built-in loudspeaker broadcast sound of corresponding computer.

Drawings

FIG. 1 is a perspective assembly view of an embodiment of the present invention;

FIG. 2 is an exploded perspective view of the embodiment;

FIG. 3 is an exploded perspective view of another perspective of the embodiment;

FIG. 4 is a schematic view of the first and second balance bars of the embodiment;

FIG. 5 is a schematic view of the first balance bar, the second balance bar and support plate of the embodiment;

FIG. 6 is a partial cross-sectional view of the embodiment illustrating the embodiment in an uncompressed state;

fig. 7 is a view similar to fig. 6, illustrating the embodiment in a depressed state.

Detailed Description

Before the present invention is described in detail with reference to the drawings and examples, it should be noted that relative positional terms used in the following description, for example, "upper" and "lower", are based on the orientation shown in the drawings and the normal use orientation.

Referring to fig. 1 and 2, an embodiment of the long key device of the keyboard of the present invention comprises a supporting plate 1, a thin film circuit board 2, a key cap 3, a first balance bar 4, a second balance bar 5, two supporting members 6 and an elastic supporting member 7, and defines a width direction D1 and a length direction D2 perpendicular to the width direction D1.

Referring to fig. 2 and 3, the supporting plate 1 includes a plate body 11, two first pivot seats 12 spaced apart from each other along the width direction D1 and disposed on the top of the plate body 11, and two second pivot seats 13 spaced apart from each other along the width direction D1 and disposed on the top of the plate body 11 and between the first pivot seats 12.

The thin film circuit board 2 is disposed above the supporting plate 1, and a pressing signal is generated by pressing the thin film circuit board 2, which is a common knowledge in the field of thin film keyboards and is not a feature of the present application, and therefore, is not described herein again.

The key cap 3 includes an outer peripheral surface 31, an inner peripheral surface 32 opposite to the outer peripheral surface 31, two first fastening portions 33 and two second fastening portions 34 fixedly disposed on the inner peripheral surface 32, and eight mounting portions 35 fixedly disposed on the inner peripheral surface 32, it should be noted that the number of the mounting portions 35 can be adjusted according to the requirement, but is not limited thereto.

Referring to fig. 3, 4 and 5, the first balance bar 4 includes a first cross bar 41 and two first extending rods 42 respectively extending from two opposite ends of the first cross bar 41 toward the same direction, in this embodiment, the first balance bar 4 is made of plastic.

The first cross bar 41 can slide and is disposed on the first locking portion 33, specifically, the first cross bar 41 has a first cross bar body 411 and two first protruding blocks 412 located at two opposite ends of the first cross bar body 411, and the first protruding blocks 412 are located in the first sliding grooves 331 of the first locking portion 33 and can slide in the respective first sliding grooves 331.

Each first extending rod 42 has a first pivot portion 421 for being pivoted to the corresponding first pivot seat 12, and each first pivot portion 421 defines a through hole 422.

The second balance bar 5 includes a second cross bar 51 and two second extending rods 52 respectively extending from two opposite ends of the second cross bar 51 toward the same direction, in this embodiment, the second balance bar 5 is made of plastic.

The second cross bar 51 can slide and is disposed on the second locking portion 34, more precisely, the second cross bar 51 has a second cross bar body 511 and two second protruding block portions 512 located at two opposite ends of the second cross bar body 511, and the second protruding block portions 512 are located in the second sliding grooves 341 of the second locking portion 34 and can slide in the respective second sliding grooves 341.

Each second extension rod 52 has a second pivot portion 521 for being pivoted to the corresponding first pivot portion 421, the first pivot portion 421 and the second pivot portion 521 together define an axis L1 corresponding to the width direction D1, each second pivot portion 521 is inserted into the corresponding through hole 422 of the first pivot portion 421, and is arranged to the corresponding first pivot portion 421 together with the corresponding first pivot portion 421, so that the first balance bar 4 and the second balance bar 5 rotate together about the axis L1 defined by the first pivot portion 421 and the second pivot portion 521.

In this embodiment, the first pivot portion 421 is a sleeve, and the second pivot portion 521 is a pivot rod.

Referring to fig. 2 and 3, the bottom of the supporting member 6 is pivotally mounted on the second pivot seat 13 of the supporting plate 1 at intervals along the width direction D1, and the top of the supporting member 6 is fastened to the mounting portion 35 to be connected to the key cap 3, and can be rotatably and pivotally mounted between the supporting plate 1 and the key cap 3.

The elastic support 7 is located between the first pivot seat 12 and disposed between the thin film circuit board 2 and the key cap 3, and in this embodiment, the elastic support 7 is a rubber dome.

Referring to fig. 6 and 7, the embodiment is described below in an uncompressed state and a pressed state, respectively. When the key cap 3 is not stressed, the embodiment is in the unstressed state, and at this time, the key cap 3 can be located at a raised position relative to the supporting plate 1 by the upward elastic pushing force provided by the elastic supporting body 7 and the supporting force provided by the supporting piece 6 when the key cap 3 is not stressed, which accords with the use logic of a keyboard.

When the key cap 3 is pressed, the embodiment is in the pressed state, and in the process that the key cap 3 moves from the raised position to a lowered position relative to the supporting plate 1, the first balance bar 4 and the second balance bar 5 rotate together around the axis L1, that is, the first pivot portion 421 and the second pivot portion 521 rotate around the axis L1 in the original position, so that the first crossbar 41 and the second crossbar 51 slide in the first sliding slot 331 of the first latching portion 33 and the second sliding slot 341 of the second latching portion 34 along the length direction D2, respectively, because the first balance bar 4, the second balance bar 5 and the key cap 3 are made of plastics, the collision sound generated by the first crossbar 41 and the second crossbar 51 sliding in the corresponding first latching portion 33 and the second latching portion 34 can be effectively reduced, and the first pivot portion 421 and the second pivot portion 521 rotate in situ without colliding with the first pivot seat 12 of the support plate 1.

In summary, since the first balance bar 4, the second balance bar 5 and the key cap 3 are made of plastic, the first cross bar 41 and the second cross bar 51 slide in the corresponding first buckling portion 33 and the second buckling portion 34 of the key cap 3, and the first pivot portion 421 and the second pivot portion 521 rotate in situ, so as not to collide with the first pivot seat 12 of the supporting plate 1. Therefore, when the present embodiment is operated between the pop-up state and the push-down state, or resonates with the sound played by the built-in speaker of the corresponding computer, the collision sound generated by the above conditions can be effectively reduced, so that the purpose of the present invention can be achieved.

However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all simple equivalent changes and modifications made according to the claims and the contents of the specification should be included in the scope of the present invention.

Claims

1. A long key device of a keyboard comprises a support plate, a film circuit board and a keycap; the method is characterized in that: the long key device of the keyboard also comprises a first balance bar, a second balance bar and two supporting pieces; the supporting plate comprises a plate body and two first pivot seats arranged at the top of the plate body at intervals along the width direction, the thin film circuit board is arranged above the supporting plate, the keycap comprises an outer peripheral surface, an inner peripheral surface opposite to the outer peripheral surface, and two first buckling parts and two second buckling parts which are arranged on the inner peripheral surface, the first balance bars comprise first cross bars and two first extension bars which are respectively bent and extended from two opposite ends of the first cross bars towards the same direction, the first cross bars can slide and are arranged on the first buckling parts, each first extension bar is provided with a first pivot part for being pivoted on the corresponding first pivot seat, the first balance bars are made of plastics, the second balance bars comprise second cross bars and two second extension bars which are respectively bent and extended from two opposite ends of the second cross bars towards the same direction, the second cross rods can slide and are arranged on the second buckling parts, each second extending rod is provided with a second pivoting part which is used for being pivoted on the corresponding first pivoting seat together with the adjacent first pivoting part, the first pivoting part and the second pivoting part define an axis corresponding to the width direction together, the second balancing strip is made of plastic, and the supporting piece can rotate and is pivoted between the supporting plate and the inner circumferential surface of the keycap and positioned between the first pivoting seats; when the keycap is pressed, the first balance bar and the second balance bar rotate together around the axis, so that the first cross bar and the second cross bar slide in the corresponding first buckling part and the second buckling part along the length direction perpendicular to the width direction.

2. The long key device of the keyboard of claim 1, wherein: the long key device of the keyboard further comprises an elastic support body which is positioned between the first pivot seat and arranged between the thin film circuit board and the keycap.

3. The long key device of the keyboard of claim 1, wherein: each first pivoting portion defines a through hole, each second pivoting portion penetrates through the corresponding through hole of the first pivoting portion, and the first pivoting portion and the corresponding first pivoting portion are arranged on the corresponding pivoting seat together, so that the first balance bar and the second balance bar rotate together by taking the axis defined by the first pivoting portion and the second pivoting portion as an axis.

4. The long key device of the keyboard of claim 1, wherein: the first cross rod is provided with a first cross rod body and two first lug parts positioned at two opposite ends of the first cross rod body, the first lug parts can slide and are arranged on the first buckling parts, the second cross rod is provided with a second cross rod body and two second lug parts positioned at two opposite ends of the second cross rod body, and the second lug parts can slide and are arranged on the second buckling parts.

5. The long key device of the keyboard of claim 1, wherein: the keycap further comprises a plurality of mounting parts arranged on the inner circumferential surface, and the supporting parts are buckled with the mounting parts to be connected with the keycap.

6. The long key device of claim 5, wherein: the backup pad still includes two edges the width direction interval set up in the second pivot seat at plate body top, support piece can rotate and the pivot is located the second pivot seat with between the installation department.

7. The long key device of the keyboard of claim 1, wherein: the first pivoting part is a sleeve, and the second pivoting part is a pivoting rod.

8. The long key device of the keyboard of claim 1, wherein: the supporting piece is a scissor foot module.