CN113035622A

CN113035622A - Single-point supported whole-surface stressed key structure

Info

Publication number: CN113035622A
Application number: CN202110331666.5A
Authority: CN
Inventors: 陆建飞
Original assignee: Suzhou Homycloud Intelligent Technology Co ltd
Current assignee: Suzhou Homycloud Intelligent Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-06-25

Abstract

The invention discloses a single-point supported whole-surface stressed key structure which comprises a key body, wherein a key part serving as a fulcrum is arranged in the middle of the back surface of the key body, two first limiting buckles for limiting the upper stroke and the lower stroke of the key body are symmetrically arranged on the back surface of the key body and positioned on two opposite sides of the key part, the key part is positioned in the center of a virtual rectangle formed by the first limiting buckles, and the two first limiting buckles positioned on the diagonal line of the virtual rectangle and the key part form a lever structure. In the invention, in order to ensure the service life of the key body to be maximized, the second limit buckles are arranged at the two sides of the key part, and when the second limit buckles reach the maximum stroke, the key part reaches the maximum effective stroke, so that the force of the key part acting on the key is minimum, the effect can be kept, and the purpose of long service life is achieved.

Description

Single-point supported whole-surface stressed key structure

Technical Field

The invention relates to the field of key panels, in particular to a single-point supported whole-surface stressed key structure.

Background

The key is a commonly used control electrical component, and is a switch for controlling some functions of machinery or programs, or turning on and off a control circuit, thereby achieving the purpose of controlling the operation of equipment. At present, most of keys used in smart homes and industrial personal computers adopt a side key, the keys generally adopt an elastic arm lever mode, a starting point is used as a supporting point, the middle is used as a fulcrum, a tail end key is used as a stress point or adopts a spring supporting mode, the starting point or the middle point is used as a support, and a spring is added to the tail end key to be used as the stress point.

The two structures can not realize whole-surface stress, so that the elastic arm and the spring are easy to fatigue after long-term use, and the service life of the product is influenced; the spring or the elastic arm can cause poor hand feeling due to consistent crossed whole surface stress of production process reasons, so that user experience is influenced. Therefore, it is necessary to design a single-point supported full-face stressed key structure to solve the above problems.

Disclosure of Invention

The invention aims to provide a single-point supported whole-face stressed key structure to solve the problems of short service life of one-side key product, poor user experience and unstable product quality.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a whole face atress keying structure that single-point supported, includes the button body, the back middle part of button body is equipped with the button portion as the fulcrum, the back of button body and the relative both sides that are located button portion all the symmetry be equipped with two and be used for carrying on spacing first spacing buckle to the upstroke and the downstroke of button body, the button portion is located the center department of the virtual rectangle that first spacing buckle constitutes, and is located two first spacing buckles on the virtual rectangle diagonal and button portion constitution lever structure, the back of button body and the other both sides department symmetry that is located button portion are equipped with and are used for carrying on spacing second spacing buckle to the upstroke and the downstroke of button portion, the position of the spacing buckle of second corresponds with the position of first spacing buckle.

Furthermore, the back of the key body is provided with a groove, the length and width of the groove are scaled according to the corresponding edge of the key body, the key part and the second limit buckle are both positioned in the groove and extend to the outer side of the groove, and the first limit buckle is both positioned at the edge of the groove.

Further, first spacing buckle includes the first limiting plate with button body fixed connection, one side from the top down that button portion was kept away from to first limiting plate is equipped with first arch and second arch, and first arch and the protruding interval setting of second, the interval between first arch and the second arch is the biggest stroke of button body promptly.

Furthermore, first arch and second arch all are located the below of button body, and first arch is located the bottom department of first limiting plate.

Furthermore, the second limiting buckle comprises a second limiting plate, and cushion blocks are symmetrically arranged at the joint of the second limiting plate and the groove.

Furthermore, the distance between the key part and the second limiting buckle is in direct proportion to the length of the key body.

Furthermore, when the second limit buckle reaches the maximum stroke, the key part reaches the maximum effective stroke.

Furthermore, a plurality of holes are uniformly formed in the key part.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the first limiting buckles on the back surface of the key body and the key part form a lever structure, and the four first limiting buckles enable the surface of the key body to be positioned on the same plane, so that the key body cannot shake.

When acting on the middle part of the key body, the key part is supported and stressed;

when the limiting buckle acts on one side of the key body, the key part serves as a fulcrum, and the first limiting buckle on the other side forms a fixed point, so that the whole stress of the key body can be realized.

Simultaneously for the life-span maximize of guaranteeing the button body, set up the spacing buckle of second in button portion both sides, when the spacing buckle of second reachs maximum stroke, button portion reachs the biggest effective stroke to make the power of button portion effect on the button minimum, and can keep effective, thereby reach long-life purpose.

Drawings

FIG. 1 is a bottom view of a single point supported full face force button configuration;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a cross-sectional view at B-B in fig. 1.

In the figure: 1. a key body; 2. a key section; 3. a first limit buckle; 31. a first limit plate; 32. a first protrusion; 33. a second protrusion; 4. a second limit buckle; 41. a second limiting plate; 42. cushion blocks; 5. a groove; 6. and (4) a hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a whole face atress keying structure that single-point supported, including button body 1, the back middle part of button body 1 is equipped with button portion 2 as the fulcrum, the back of button body 1 and the relative both sides that are located button portion 2 all the symmetry be equipped with two and be used for carrying on spacing first spacing buckle 3 to button body 1's upstroke and downstroke, button portion 2 is located the center department of the virtual rectangle that first spacing buckle 3 constitutes, and be located two first spacing buckles 3 on the virtual rectangle diagonal and button portion 2 constitution lever structure, the back of button body 1 and be located button portion 2 other both sides department symmetry be equipped with and be used for carrying on spacing second spacing buckle 4 to button portion 2's upstroke and downstroke, the position of second spacing buckle 4 corresponds with the position of first spacing buckle 3.

The first limit buckles 3 and the key parts 2 on the back surface of the key body 1 form a lever structure, and meanwhile, the four first limit buckles 3 enable the surface of the key body 1 to be located on the same plane, so that the key body 1 cannot shake.

When acting on the middle part of the key body 1, the key part 2 is supported and stressed;

when the limiting buckle acts on one side of the key body 1, the key part 2 serves as a fulcrum, and the first limiting buckle 3 on the other side forms a fixed point, so that the whole stress of the key body 1 can be realized.

Simultaneously for guaranteeing the life-span maximize of button body 1, set up the spacing buckle 4 of second in button portion 2 both sides, when the spacing buckle 4 of second reachs maximum stroke, button portion 2 reachs the biggest effective stroke to make button portion 2 act on the power on the button minimum, and can keep effective, thereby reach long-life purpose.

Wherein, the length and the width dimension that the back of button body 1 was equipped with 5 recesses of recess 5 are for the proportional scaling at button body 1 correspondence border, can make cell wall border thickness unanimous, realize that the appearance is regular, and button portion 2 and the spacing buckle 4 of second all are located recess 5 and extend to the recess 5 outside, and first spacing buckle 3 all is located recess 5's border department, and recess 5 helps the determination of first spacing buckle 3 and the 4 positions of the spacing buckle of second.

In addition, the first limiting buckle 3 comprises a first limiting plate 31 fixedly connected with the key body 1, a first protrusion 32 and a second protrusion 33 are arranged on one side, away from the key part 2, of the first limiting plate 31 from top to bottom, the first protrusion 32 and the second protrusion 33 are arranged at intervals, the interval between the first protrusion 32 and the second protrusion 33 is the maximum stroke of the key body 1, on one hand, the surface of the key body 1 is located on the same plane through the first limiting buckle 3, so that the key body 1 cannot shake, the distance between the first protrusion 32 and the second protrusion 33 is related to the actual stroke of the key body 1, and the distance can be set as required.

The first protrusion 32 and the second protrusion 33 are both located below the key body 1, and the first protrusion 32 is located at the bottom end of the first limiting plate 31.

In addition, the second limiting buckle 4 comprises a second limiting plate 41, a cushion block 42 is symmetrically arranged at the joint of the second limiting plate 41 and the groove 5, when the second limiting buckle 4 reaches the maximum stroke, the cushion block 42 is limited, the key part 2 reaches the maximum effective stroke, and the height of the cushion block 42 is related to the effective stroke of the key part 2 and is set according to actual needs.

A plurality of holes 6 are uniformly formed in the key part 2, so that the key part 2 is prevented from shrinking during manufacturing with the key body 1, and further the key part 2 is prevented from sinking to influence the actual size.

The distance between the key part 2 and the second limit buckle 4 is in direct proportion to the length of the key body 1 so as to meet the use requirements of the key bodies 1 with different sizes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which includes the appended claims and their equivalents.

Claims

1. The utility model provides a whole face atress button structure that single-point supported, includes button body (1), its characterized in that: the key comprises a key body (1), and is characterized in that a key part (2) serving as a fulcrum is arranged in the middle of the back of the key body (1), two first limiting buckles (3) used for limiting the upper stroke and the lower stroke of the key body (1) are symmetrically arranged on the back of the key body (1) and located on the two opposite sides of the key part (2), the key part (2) is located in the center of a virtual rectangle formed by the first limiting buckles (3), two first limiting buckles (3) located on the diagonal line of the virtual rectangle and the key part (2) form a lever structure, second limiting buckles (4) used for limiting the upper stroke and the lower stroke of the key part (2) are symmetrically arranged on the back of the key body (1) and located on the other two sides of the key part (2), and the positions of the second limiting buckles (4) correspond to the positions of the first limiting buckles (3).

2. The single-point supported full-face stress key structure as claimed in claim 1, wherein: the back of button body (1) is equipped with recess (5), the length and the width dimension of recess (5) are the scaling at button body (1) corresponding border, button portion (2) and second spacing buckle (4) all are located recess (5) and extend to the recess (5) outside, first spacing buckle (3) all are located the border department of recess (5).

3. The single-point supported full-face stress key structure as claimed in claim 1 or 2, wherein: first spacing buckle (3) include with button body (1) fixed connection's first limiting plate (31), one side from the top down that button portion (2) were kept away from in first limiting plate (31) is equipped with first arch (32) and second arch (33), and first arch (32) and the protruding (33) interval setting of second, the interval between first arch (32) and the protruding (33) of second is the biggest stroke of button body (1) promptly.

4. The single-point supported full-face stress key structure as claimed in claim 3, wherein: the first protrusion (32) and the second protrusion (33) are both located below the key body (1), and the first protrusion (32) is located at the bottom end of the first limiting plate (31).

5. The single-point supported full-face stress key structure as claimed in claim 1, wherein: the second limiting buckle (4) comprises a second limiting plate (41), and cushion blocks (42) are symmetrically arranged at the joint of the second limiting plate (41) and the groove (5).

6. The single-point supported full-face stress key structure as claimed in claim 1, wherein: the distance between the key part (2) and the second limit buckle (4) is in direct proportion to the length of the key body (1).

7. The single-point supported full-face stress key structure as claimed in claim 1, wherein: when the second limit buckle (4) reaches the maximum stroke, the key part (2) reaches the maximum effective stroke.

8. The single-point supported full-face stress key structure as claimed in claim 1, wherein: the key part (2) is uniformly provided with a plurality of holes (6).