CN219144034U - Precise metal spring plate - Google Patents

Abstract

The utility model discloses a precise metal spring plate, which comprises a plate body structure, wherein the top end of the plate body structure is provided with a spring plate structure, the plate body structure comprises a reset structure, the plate body structure comprises a bottom plate, a mounting groove and a first magnetic block, the spring plate structure comprises a sheet body, a slot hole, a second magnetic block and a connecting block, and the reset structure comprises an embedded block, a sliding block, a limiting groove, a third magnetic block and a fourth magnetic block. The beneficial effects are that: the elastic sheet spring device can help the elastic sheet to automatically rebound in the pressing process through the reset structure, improves the rebound efficiency of the elastic sheet, reduces the elastic force consumption and abrasion of the elastic sheet, and prolongs the service life of the elastic sheet.

Description

Precise metal spring plate

Technical Field

The utility model relates to the technical field of key switches, in particular to a precise metal spring plate.

Background

With the development of electronic technology, the types of key switches are increasing, the application range is also quite wide, and currently, the metal dome key switch is widely applied to products such as mobile phones, remote controllers and the like, and can be applied to electronic equipment or instruments with limited space or only small or micro switches, such as alarm equipment, 3C electronic products or micro computers and other industrial applications, because the volume of the switch is quite small and light and thin. When the switch is used, the switch can be turned on by lightly clicking the switch button, the switch is turned off when the hand is loosened, the internal structure of the switch is sprung by the stress of the metal spring plate to realize on-off, the spring plate in the prior art generally rebounds through self elasticity, but the elasticity after long-time use can cause the problem of poor elasticity performance due to other conditions such as abrasion, and the rebound effect can be influenced.

The bulletin number is: an ultrathin metal spring plate key switch of CN 214588541U comprises a substrate, wherein a circuit board is arranged at the bottom of an inner cavity of the substrate, a first fixed block is arranged on the circuit board, a first pressing spring plate is fixed on the first fixed block, and an auxiliary contact block is fixed at the lower end of the first pressing spring plate; the upper part of the base body, which protrudes, is a key area, the top of the key area is a key, the side wall of the key area is provided with a protection block, the bottom of the key area is a metal elastic sheet, the metal elastic sheet is fixed on the protection block through a second fixing block, a first elastic block is fixed at the bottom end of the metal elastic sheet, a second elastic block is fixed at the top end of the metal elastic sheet, and a second pressing elastic sheet is fixed above the second elastic block through a second fixing block; the outside of the base body is covered with a resistance layer, and the outside of the resistance layer is covered with a waterproof film. The utility model ensures the touch feeling of the key, gives consideration to thinness, has waterproof and anticreeping performances, increases the safety of the key switch and solves the problem of low service life of the metal spring plate.

However, the elastic sheet does not have an automatic rebound assisting device, and after the elastic sheet is used for a long time, the elasticity is reduced due to mechanical fatigue, and further the problem that rebound cannot occur, so that a precise elastic sheet capable of prolonging the service life is needed.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a precise metal spring plate which has the function of assisting automatic rebound, thereby solving the problems in the prior art.

(II) technical scheme

In order to realize the function of assisting automatic rebound, the utility model adopts the following specific technical scheme:

the utility model provides a accurate metal shell fragment, includes plate body structure, the top of plate body structure is equipped with the shell fragment structure, the plate body structurally includes reset structure.

Further, the plate body structure is used for installing reset structure and shell fragment structure, the plate body structure includes bottom plate, mounting groove, first magnetic path, the top four corners of bottom plate is equipped with the mounting groove, the top center of bottom plate is equipped with first magnetic path.

Further, the shell fragment structure is the major structure of elasticity shell fragment, possesses certain supplementary resilience function and good resilience structural design, the shell fragment structure includes lamellar body, slotted hole, second magnetic path, connecting block, the slotted hole has been seted up on the lamellar body, the bottom center of lamellar body is equipped with the second magnetic path, the four corners connection of lamellar body is equipped with the connecting block.

Further, reset structure is used for assisting the return to the throne to the shell fragment structure, improves its resilience efficiency, reset structure includes embedded block, sliding block, spacing groove, third magnetic path, fourth magnetic path, the spacing groove has been seted up to the inside of embedded block, sliding connection is equipped with the sliding block in the spacing groove, inner wall one side of spacing groove is equipped with the third magnetic path, one side of sliding block is equipped with the fourth magnetic path.

Further, the third magnetic block corresponds to the fourth magnetic block in position, opposite magnetic poles of the third magnetic block are identical to those of the fourth magnetic block, the first magnetic block corresponds to the second magnetic block in mounting position, and opposite magnetic poles of the first magnetic block are identical to those of the second magnetic block.

Further, the sheet body is an elastic spring piece with four corners of the central bulge connected with the sliding block.

(III) beneficial effects

Compared with the prior art, the utility model provides a precise metal spring plate, which has the following beneficial effects:

the elastic sheet spring device can help the elastic sheet to automatically rebound in the pressing process through the reset structure, improves the rebound efficiency of the elastic sheet, reduces the elastic force consumption and abrasion of the elastic sheet, and prolongs the service life of the elastic sheet.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a main structure of a precision metal spring according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a plate structure of a precision metal dome according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a precise metal spring plate according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a reset structure of a precision metal spring according to an embodiment of the present utility model;

fig. 5 is a cross-sectional view of a return structure of a precision metal dome according to an embodiment of the present utility model.

In the figure:

1. a plate structure; 101. a bottom plate; 102. a mounting groove; 103. a first magnetic block; 2. a spring plate structure; 201. a sheet body; 202. a slot hole; 203. a second magnetic block; 204. a connecting block; 3. a reset structure; 301. an inner insert; 302. a sliding block; 303. a limit groove; 304. a third magnetic block; 305. and a fourth magnetic block.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

The utility model will now be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-5, the utility model comprises a plate body structure 1, the top end of the plate body structure 1 is provided with a spring plate structure 2, and the plate body structure 1 comprises a reset structure 3.

The plate body structure 1 is used for installing the reset structure 3 and the elastic sheet structure 2;

the spring plate structure 2 is a main body structure of an elastic spring plate, and has a certain auxiliary rebound function and a good rebound structure design;

the reset structure 3 is used for carrying out auxiliary reset on the elastic sheet structure 2, so that the rebound efficiency of the elastic sheet structure is improved.

The plate body structure 1 comprises a bottom plate 101, mounting grooves 102 and first magnetic blocks 103, wherein the mounting grooves 102 are formed in four corners of the top end of the bottom plate 101, and the first magnetic blocks 103 are arranged in the center of the top end of the bottom plate 101.

The mounting groove 102 that is equipped with on the bottom plate 101 of plate body structure 1 is used for installing reset structure 3, and first magnetic path 103 is used for with the second magnetic path 203 phase-match of shell fragment structure 2.

The spring plate structure 2 comprises a plate body 201, a slot hole 202, a second magnetic block 203 and a connecting block 204, wherein the slot hole 202 is formed in the plate body 201, the second magnetic block 203 is arranged in the center of the bottom end of the plate body 201, and the connecting block 204 is connected with four corners of the plate body 201.

The slot 202 formed on the sheet 201 of the spring structure 2 can improve the elasticity of the sheet 201, and the second magnetic block 203 and the first magnetic block 103 have the same opposite magnetic poles and can generate a repulsive force, so that after the sheet 201 is pressed down, the rebound efficiency can be improved by the contact repulsive force.

The reset structure 3 comprises an embedded block 301, a sliding block 302, a limiting groove 303, a third magnetic block 304 and a fourth magnetic block 305, wherein the limiting groove 303 is formed in the embedded block 301, the sliding block 302 is arranged in the limiting groove 303 in a sliding connection mode, the third magnetic block 304 is arranged on one side of the inner wall of the limiting groove 303, and the fourth magnetic block 305 is arranged on one side of the sliding block 302.

The embedded block 301 of the reset structure 3 is fixedly installed in the installation groove 102, the limiting groove 303 formed in the embedded block 301 is used for slidably installing the sliding block 302, the third magnetic block 304 is fixedly installed on the inner wall of the limiting groove 303 opposite to the fourth magnetic block 305, and the connecting blocks 204 at four corners can drive the sliding block 302 to move for a certain distance in the limiting groove 303 in the pressing process of the sheet body 201, so that the distance between the fourth magnetic block 305 and the third magnetic block 304 can be changed, and the auxiliary rebound can be further carried out by the repulsive force between the third magnetic block 304 and the fourth magnetic block 305 in the rebound process.

The third magnetic block 304 corresponds to the fourth magnetic block 305, the third magnetic block 304 and the fourth magnetic block 305 have the same opposite magnetic poles, the first magnetic block 103 corresponds to the second magnetic block 203 in the mounting position, and the first magnetic block 103 and the second magnetic block 203 have the same opposite magnetic poles.

The sheet 201 is an elastic spring sheet with four corners of the central protrusion connected with the sliding block 302.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

In summary, by means of the above technical solution of the present utility model, the installation groove 102 provided on the bottom plate 101 of the plate body structure 1 is used for installing the reset structure 3, the first magnetic block 103 is used for matching with the second magnetic block 203 of the spring plate structure 2, the slot 202 provided on the sheet body 201 of the spring plate structure 2 can improve the self elasticity of the sheet body 201, the opposite magnetic poles of the second magnetic block 203 and the first magnetic block 103 are the same, and can generate repulsive force, so after the sheet body 201 is pressed down, the rebound efficiency can be improved by contact repulsive force, the embedded block 301 of the reset structure 3 is fixedly installed in the installation groove 102, the limit groove 303 provided in the embedded block 301 is used for slidably installing the sliding block 302, the third magnetic block 304 is fixedly installed on the inner wall of the limit groove 303 opposite to the fourth magnetic block 305, and since the connecting block 204 at four corners can drive the sliding block 302 to move a distance in the limit groove 303 during the pressing down process of the sheet body 201, the distance between the fourth magnetic block 305 and the third magnetic block 304 can be changed, and the rebound can be further assisted by the repulsive force between the third magnetic block 304 and the fourth magnetic block 304.

Unless specifically stated or limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (3)

1. The precise metal spring plate is characterized by comprising a plate body structure (1), wherein a spring plate structure (2) is arranged at the top end of the plate body structure (1), and a reset structure (3) is arranged on the plate body structure (1);

the plate body structure (1) comprises a bottom plate (101), mounting grooves (102) and first magnetic blocks (103), wherein the mounting grooves (102) are formed in four corners of the top end of the bottom plate (101), and the first magnetic blocks (103) are arranged in the center of the top end of the bottom plate (101);

the elastic sheet structure (2) comprises a sheet body (201), a slot hole (202), a second magnetic block (203) and a connecting block (204), wherein the slot hole (202) is formed in the sheet body (201), the second magnetic block (203) is arranged at the center of the bottom end of the sheet body (201), and the connecting block (204) is connected with four corners of the sheet body (201);

the reset structure (3) comprises an embedded block (301), a sliding block (302), a limiting groove (303), a third magnetic block (304) and a fourth magnetic block (305), wherein the limiting groove (303) is formed in the embedded block (301), the sliding block (302) is arranged in the limiting groove (303) in a sliding connection mode, the third magnetic block (304) is arranged on one side of the inner wall of the limiting groove (303), and the fourth magnetic block (305) is arranged on one side of the sliding block (302).

2. The precise metal spring plate according to claim 1, wherein the third magnetic block (304) corresponds to the fourth magnetic block (305), the third magnetic block (304) and the fourth magnetic block (305) have the same magnetic poles in opposite directions, the first magnetic block (103) corresponds to the second magnetic block (203) in mounting position, and the first magnetic block (103) and the second magnetic block (203) have the same magnetic poles in opposite directions.

3. A precision metal spring according to claim 2, wherein said sheet (201) is a resilient spring with four corners of a central protrusion connected to said slider (302).

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