CN113066686A

CN113066686A - Switch

Info

Publication number: CN113066686A
Application number: CN202110489965.1A
Authority: CN
Inventors: 徐道伟; 李辉; 张峰
Original assignee: Jiangsu Zimi Electronic Technology Co Ltd
Current assignee: Jiangsu Zimi Electronic Technology Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-07-02
Anticipated expiration: 2041-05-06
Also published as: CN113066686B

Abstract

The invention relates to the technical field of switches, in particular to a switch. The switch provided by the invention comprises a circuit board, a mounting plate, an elastic piece and a key, wherein the circuit board is embedded on a mounting base and is provided with a light touch switch; the mounting plate is covered on the circuit board, and a through hole corresponding to the tact switch is formed in the mounting plate; the elastic piece is provided with a deformation cavity with an opening at one end, the elastic piece is abutted with the mounting plate, the opening of the deformation cavity faces the through hole, and a first abutting part capable of abutting against the light touch switch is arranged in the deformation cavity; the button sets up on the elastic component, presses the button and can make the elastic component deformation compression deformation chamber, and then makes first butt portion support and press and trigger the light touch switch, and the elastic component absorbs deformation volume energy storage back instant release deformation volume, can make first butt portion on it act on rapidly and lightly touch the switch and make its break-make to improve and press and feel.

Description

Switch

Technical Field

The invention relates to the technical field of switches, in particular to a switch.

Background

The wall switch is an electrical appliance switch installed on a wall, and generally includes a mounting base and a key assembly disposed on the mounting base, wherein the mounting base is fixed on the wall, and the key assembly is pressed to control on/off of an electrical appliance. The pressing stroke and the pressing force of the existing key assembly are small, so that the pressing hand feeling is poor, and the user experience is influenced.

Therefore, a need exists for a switch to address the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a switch, which solves the problem of poor pressing hand feeling in the prior art and improves the user experience.

In order to realize the purpose, the following technical scheme is provided:

a switch, includes mounting base and button subassembly, the mounting base is used for with switch installation face fixed connection, the button subassembly is installed on the mounting base, the button subassembly includes:

the circuit board is embedded on the mounting base and provided with a touch switch;

the mounting plate is covered on the circuit board, and a through hole corresponding to the tact switch is formed in the mounting plate;

the elastic piece is provided with a deformation cavity with an opening at one end, the elastic piece is abutted with the mounting plate, the opening of the deformation cavity faces the through hole, and a first abutting part capable of abutting against the light touch switch is arranged in the deformation cavity;

and the key is arranged on the elastic piece, and the elastic piece can be deformed and compressed in the deformation cavity by pressing the key, so that the first abutting part is abutted against and triggers the tact switch.

As an alternative of the switch, a receiving groove is formed in the mounting plate, the through hole is formed in the bottom of the receiving groove, and part of the elastic piece is received in the receiving groove.

As the alternative of switch, the spacing hole of direction has been seted up on the mounting panel, the spacing hole of direction is located all sides of holding tank, be provided with the spacing portion of direction on the button, wear to establish the spacing portion slidable of direction the spacing downthehole of direction, just the tip of the spacing portion of direction can with the bottom surface looks butt of mounting panel.

As an alternative of the switch, one end of the elastic element close to the key is provided with a second abutting portion, and the key is provided with a third abutting portion abutting against the second abutting portion.

As an alternative of the switch, a limiting guide ring wall is arranged on the mounting plate in a protruding mode, the key is accommodated in the limiting guide ring wall, and the outer wall of the key is in sliding fit with the inner wall of the limiting guide ring wall.

As the alternative of switch, the switch still includes presses the key cap, the intermediate position according to the key cap is provided with rotates joint portion, on the mounting panel with the relative position of rotation joint portion is provided with the pivot, the key cap lid is established on the mounting panel, just it rotationally blocks to establish to rotate joint portion in the pivot, presses down can make according to key cap one end press the key cap support press on the button.

As an alternative of the switch, the mounting base includes a housing, the housing includes a key assembly accommodating portion and an electronic component accommodating portion that are arranged in a stepped manner, a depth of the key assembly accommodating portion gradually changes from deep to shallow, and the key is located at one end of the key assembly accommodating portion where the depth is deep.

As an alternative to the switch, the mounting base further includes an exterior case that is provided around the outside of the key assembly accommodating portion.

As an alternative of the switch, the mounting base further comprises a mounting structure fixedly connected with a switch mounting surface, the housing is provided with a mounting through groove and guide limiting grooves, the guide limiting grooves are symmetrically arranged on two sides of the mounting through groove, two ends of the mounting structure are slidably arranged in the guide limiting grooves, and the middle part of the mounting structure is suspended in the mounting through groove.

As an alternative of the switch, the mounting base further comprises an elastic mounting structure fixedly connected with the switch mounting surface, the housing is provided with a mounting through groove, two ends of the elastic mounting structure are connected to the groove wall of the mounting through groove, and the rest parts of the elastic mounting structure and the groove wall of the mounting through groove are arranged at intervals.

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

the switch provided by the invention comprises a circuit board, a mounting plate, an elastic piece and a key, wherein the circuit board is embedded on a mounting base and is provided with a light touch switch; the mounting plate is covered on the circuit board, and a through hole corresponding to the tact switch is formed in the mounting plate; the elastic piece is provided with a deformation cavity with an opening at one end, the elastic piece is abutted with the mounting plate, the opening of the deformation cavity faces the through hole, and a first abutting part capable of abutting against the light touch switch is arranged in the deformation cavity; the button sets up on the elastic component, presses the button and can make the elastic component deformation compression deformation chamber, and then makes first butt portion support and press and trigger the light touch switch, and the elastic component absorbs deformation volume energy storage back instant release deformation volume, can make first butt portion on it act on rapidly and lightly touch the switch and make its break-make to improve and press and feel.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a switch according to a first embodiment of the present invention;

fig. 2 is an exploded view of a switch according to an embodiment of the present invention;

fig. 3 is a top view of a switch according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is an enlarged view at C of FIG. 2;

fig. 7 is an exploded view of a key and an elastic member according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a mounting base according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view taken at D-D of FIG. 8;

fig. 10 is a schematic structural diagram of a mounting base according to a second embodiment of the present invention;

fig. 11 is an exploded view of a mounting base according to a second embodiment of the present invention.

Reference numerals:

100-a mounting base; 101-a housing; 1011-key assembly receiving part; 10111-installing a through groove; 1012-electronic component housing; 102-a resilient mounting structure; 1021-a mounting section; 1022-a deformation; 103-appearance shell; 104-breakable connecting ribs;

100-a mounting base; 101-a housing; 1011-key assembly receiving part; 10111-installing a through groove; 10112-guide limit groove; 1012-electronic component housing; 102 a-a mounting structure; 1021 a-a mount; 1022 a-a guide; 103-appearance shell;

200-a circuit board; 201-a tact switch;

300-mounting plate; 301-accommodating grooves; 3011-a through hole; 302-position limiting guide ring wall; 3021-guiding and limiting holes; 303-a rotating shaft;

400-an elastic member; 401-deformation chamber; 402-a first abutment; 403-a second abutment;

500-press key; 501-a guiding limit part; 5011-a limit hook; 50111-limit surface; 50112-assembly ramp; 502-a third abutment;

600-key caps; 601-rotating the clamping part.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

As shown in fig. 1 to 7, the present embodiment provides a switch, which includes a mounting base 100 and a key assembly, wherein the mounting base 100 is used for being fixedly connected with a switch mounting surface, and the key assembly is mounted on the mounting base 100.

The switch mounting surface can be a wall surface or other mounting surfaces needing to mount the switch.

Alternatively, the key assembly includes circuit board 200, mounting plate 300, elastic member 400, key 500, and key cap 600. Optionally, the mounting base 100 includes a casing 101, the casing 101 includes a key assembly receiving portion 1011 and an electronic component receiving portion 1012 arranged in a ladder manner, the key assembly is disposed in the key assembly receiving portion 1011, and the electronic component of the switch is disposed in the electronic component receiving portion 1012.

In order to improve the pressing hand feeling of the key assembly, the circuit board 200 is embedded on the mounting base 100, and the circuit board 200 is provided with a tact switch 201; the mounting plate 300 is covered on the circuit board 200, and a through hole 3011 corresponding to the tact switch 201 is formed in the mounting plate 300; the elastic piece 400 is provided with a deformation cavity 401 with an opening at one end, the elastic piece 400 is abutted with the mounting plate 300, the opening of the deformation cavity 401 faces the through hole 3011, and a first abutting part 402 capable of abutting against the light touch switch 201 is arranged in the deformation cavity 401; the button 500 is disposed on the elastic member 400, and pressing the button 500 can deform the elastic member 400 to compress the deformable cavity 401, so that the first abutting portion 402 abuts against and triggers the tact switch 201.

When the key 500 is pressed, the force acting on the key 500 can make the deformation cavity 401 of the elastic element 400 deform under stress, and the elastic element 400 releases the deformation instantly after absorbing the stored deformation, so that the first abutting part 402 on the elastic element can rapidly act on the tact switch 201 to switch on and off, thereby improving the pressing hand feeling.

Optionally, the elastic member 400 may be made of a silicone material, so as to enhance the pressing hand feeling and improve the use comfort of the user.

Alternatively, the resilient member 400 may be a bowl-shaped resilient member with a deformable chamber 401 that is flared. Of course, the elastic element 400 may have other shapes as long as it can ensure that the deformable cavity 401 can deform to store energy, and improve the pressing feeling of the user.

Optionally, in order to ensure that the key 500 is better matched with the elastic member 400 and that the force for pressing the key 500 is transmitted to the elastic member 400, one end of the elastic member 400 close to the key 500 is provided with a second abutting portion 403, and the key 500 is provided with a third abutting portion 502 abutting against the second abutting portion 403. When the key 500 is pressed, the third abutting part 502 on the key presses the second abutting part 403 on the elastic piece 400, so that the deformation cavity 401 is deformed, and the first abutting part 402 in the deformation cavity 401 passes through the through hole 3011 and abuts against the tact switch 201 on the circuit board 200.

Optionally, in order to limit the position of the elastic element 400, the mounting plate 300 is provided with a receiving groove 301, the through hole 3011 is opened at the bottom of the receiving groove 301, and part of the elastic element 400 is received in the receiving groove 301.

Optionally, in order to slidably mount the key 500 on the mounting plate 300, a guide limiting hole 3021 is formed in the mounting plate 300, the guide limiting hole 3021 is located on the periphery of the accommodating groove 301, a guide limiting portion 501 is disposed on the key 500, the guide limiting portion 501 slidably penetrates through the guide limiting hole 3021, and an end of the guide limiting portion 501 can abut against the bottom surface of the mounting plate 300. When the key 500 is pressed, the key 500 moves relative to the mounting plate 300 by the engagement of the guide stopper 501 and the guide stopper hole 3021, and the elastic member 400 is pressed.

Preferably, the two guide limiting parts 501 are symmetrically arranged on the key 500, and the free ends of the two guide limiting parts 501 extend to the outer side of the key 500. In order to assemble the key 500 to the mounting plate 300, the guide limit part 501 is provided with a limit hook 5011, the limit hook 5011 is provided with an assembly inclined surface 50112, and when the guide limit part 501 is inserted into the guide limit hole 3021, the assembly inclined surface 50112 is engaged with the guide limit hole 3021 to deform the guide limit part 501 toward the inner side of the key 500, and further, the guide limit part 501 is inserted into the guide limit hole 3021.

Preferably, the limit hook 5011 is further provided with a limit face 50111, and after the guide limit part 501 is inserted into the guide limit hole 3021, the limit hook 5011 of the guide limit part 501 extends to the outside of the key 500 and the limit face 50111 abuts against the bottom face of the mounting plate 300.

In this embodiment, a stepped hole is formed in the bottom surface of the mounting plate 300 at the position of the guide limit hole 3021, and the limit surface 50111 abuts against the stepped surface of the stepped hole.

Optionally, in order to guide the movement of the key 500, a position-limiting guide ring wall 302 protrudes from the mounting plate 300, the key 500 is accommodated in the position-limiting guide ring wall 302, and the outer wall of the key 500 is in sliding fit with the inner wall of the position-limiting guide ring wall 302. Further, the guide limiting hole 3021 and the accommodating groove 301 are both located in the limiting guide annular wall 302. That is, the end of the elastic element 400 is located in the receiving groove 301, and the button 500 is located in the position-limiting guide ring wall 302 and covers the outer side of the elastic element 400.

Optionally, the key cap 600 covers the mounting plate 300 to improve the aesthetic appearance of the key assembly, and the on-off control of the tact switch 201 is implemented by transmitting the pressing force to the key 500 by pressing the key cap 600.

Preferably, a rotary clamping portion 601 is disposed at a middle position of the key cap 600, a rotating shaft 303 is disposed on the mounting plate 300 at a position opposite to the rotary clamping portion 601, the rotary clamping portion 601 is rotatably clamped on the rotating shaft 303, and pressing one end of the key cap 600 can press the key cap 600 against the key 500. In short, the key cap 600 is formed into a structure similar to a rocker by the rotational engagement of the rotational engagement portion 601 of the key cap 600 and the rotational shaft 303 of the mounting plate 300, and the key cap 600 is rotated by pressing one end of the key cap 600, and transmits the pressing force to the key 500.

Optionally, to facilitate pressing the key cap 600, the depth of the key assembly receiving portion 1011 gradually changes from deep to shallow, and the key 500 is located at one end of the key assembly receiving portion 1011 with a deeper depth.

In order to improve the aesthetic appearance of the switch, the mounting base 100 further includes a design cover 103, and the design cover 103 is disposed around the outside of the key assembly receiving portion 1011.

Optionally, as shown in fig. 8 to 9, the mounting base 100 further includes an elastic mounting structure 102 for being fixedly connected to the switch mounting surface, the housing 101 is provided with a mounting through slot 10111, two ends of the elastic mounting structure 102 are connected to slot walls of the mounting through slot 10111, and the rest of the elastic mounting structure 102 is spaced apart from the slot walls of the mounting through slot 10111. When the mounting base 100 is fixed on the switch mounting surface by screws, the elastic mounting structure 102 is preferentially stressed and deformed, so that the case 101 of the mounting base 100 is prevented from being stressed and deformed due to overlarge screw tightening force, and the mounting accuracy of the key assembly is ensured.

Optionally, the elastic mounting structure 102 includes a mounting portion 1021 and a deformation portion 1022, the deformation portion 1022 is connected to both ends of the mounting portion 1021, the deformation portion 1022 is used for being connected with a groove wall of the mounting through groove 10111, and the deformation portion 1022 can be deformed when the mounting portion 1021 is stressed.

Alternatively, the deformed portion 1022 has a V-shaped cross-sectional shape and is open toward the switch mounting surface. When the mounting part 1021 is stressed, the V shape of the deformation part 1022 changes, so that the mounting part 1021 sinks along with the mounting screw, and the deformation quantity is absorbed by the deformation part 1022, thereby avoiding the distortion deformation of the shell 101 caused by the stress.

Preferably, the mounting portion 1021 is a flat plate shape parallel to the switch mounting surface to ensure the degree of fitting of the mounting base 100 to the switch mounting surface.

Optionally, the mounting base 100 further includes a breakable connecting rib 104, the breakable connecting rib 104 is used for connecting the mounting portion 1021 and a groove wall of the mounting through groove 10111, and when the breakable connecting rib 104 is broken, a sound can be given to remind a user that the force for locking the mounting screw is enough, so as to prevent the housing 101 from being distorted due to stress.

Optionally, the mounting base 100 is an integrally formed structure, which ensures the overall structural strength of the mounting base 100.

Further, the mounting base 100 is made of a plastic material, which can insulate on one hand, and can generate a plastic fracture sound when the breakable connecting rib 104 is broken, so as to better remind the user.

Example two

The difference between this embodiment and the first embodiment is: the elastic mounting structure 102 is replaced by a mounting structure 102a, and the specific scheme of the embodiment is as follows:

as shown in fig. 10-11, the housing 101 is provided with an installation through groove 10111 and a guide limiting groove 10112, the two guide limiting grooves 10112 are symmetrically disposed on two sides of the installation through groove 10111, two ends of the installation structure 102a are slidably disposed in the guide limiting grooves 10112, and a middle portion of the installation structure 102a is suspended in the installation through groove 10111.

When the mounting base 100 is mounted on the switch mounting surface, the mounting structure 102a is stressed in the process of screwing the screw, so that the two ends of the mounting structure 102a slide relative to the guide limiting groove 10112, the mounting structure 102a sinks along with the mounting screw, and the shell 101 is prevented from being stressed and distorted.

Optionally, the housing 101 is an integrally formed structure. The housing 101 is made of a plastic material.

Optionally, the mounting structure 102a includes a mounting portion 1021a and a guiding portion 1022a, the guiding portion 1022a is connected to both ends of the mounting portion 1021a, the guiding portion 1022a is slidably engaged with the guiding limiting groove 10112, the mounting portion 1021a is suspended in the mounting through groove 10111, and the guiding portion 1022a can slide in the guiding limiting groove 10112 when the mounting portion 1021a is stressed.

Preferably, the partial guide limiting groove 10112 communicates with the mounting through groove 10111, and the partial guide 1022a is located at a portion where the guide limiting groove 10112 communicates with the mounting through groove 10111.

Preferably, the mounting structure 102a has a cross-sectional shape of a few-letter type with its opening facing away from the switch mounting surface.

Alternatively, the mounting structure 102a is made of a stainless steel material, which improves the structural strength of the mounting structure 102 a.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A switch comprising a mounting base (100) and a key assembly, the mounting base (100) being configured to be fixedly connected to a switch mounting surface, the key assembly being mounted on the mounting base (100), the key assembly comprising:

the circuit board (200) is embedded on the mounting base (100), and a tact switch (201) is arranged on the circuit board (200);

the mounting plate (300) is covered on the circuit board (200), and a through hole (3011) corresponding to the tact switch (201) is formed in the mounting plate (300);

the elastic piece (400) is provided with a deformation cavity (401) with an opening at one end, the elastic piece (400) is abutted with the mounting plate (300), the opening of the deformation cavity (401) faces the through hole (3011), and a first abutting part (402) capable of abutting against the light touch switch (201) is arranged in the deformation cavity (401);

the button (500) is arranged on the elastic piece (400), and when the button (500) is pressed, the elastic piece (400) can be deformed to compress the deformation cavity (401), so that the first abutting part (402) is abutted against and triggers the tact switch (201).

2. The switch of claim 1, wherein the mounting plate (300) is provided with a receiving groove (301), the through hole (3011) is opened on the bottom of the receiving groove (301), and part of the elastic member (400) is received in the receiving groove (301).

3. The switch of claim 2, wherein the mounting plate (300) is provided with a guide limiting hole (3021), the guide limiting hole (3021) is located on the periphery of the accommodating groove (301), the key (500) is provided with a guide limiting part (501), the guide limiting part (501) is slidably inserted into the guide limiting hole (3021), and the end of the guide limiting part (501) can abut against the bottom surface of the mounting plate (300).

4. The switch of claim 1, wherein one end of the elastic member (400) close to the key (500) is provided with a second abutting portion (403), and the key (500) is provided with a third abutting portion (502) abutting against the second abutting portion (403).

5. The switch of claim 1, wherein the mounting plate (300) is provided with a position-limiting guide ring wall (302) in a protruding manner, the key (500) is accommodated in the position-limiting guide ring wall (302), and the outer wall of the key (500) is in sliding fit with the inner wall of the position-limiting guide ring wall (302).

6. The switch according to claim 1, wherein the switch further comprises a key cap (600), a rotary clamping portion (601) is arranged at a middle position of the key cap (600), a rotary shaft (303) is arranged on the mounting plate (300) at a position opposite to the rotary clamping portion (601), the key cap (600) is covered on the mounting plate (300), the rotary clamping portion (601) is rotatably clamped on the rotary shaft (303), and one end of the key cap (600) is pressed to enable the key cap (600) to abut against the key (500).

7. The switch of claim 1, wherein the mounting base (100) comprises a housing (101), the housing (101) comprises a key assembly receiving portion (1011) and an electronic component receiving portion (1012) arranged in a stepped manner, the depth of the key assembly receiving portion (1011) gradually changes from deep to shallow, and the key (500) is located at one end of the deeper depth of the key assembly receiving portion (1011).

8. The switch of claim 7, wherein the mounting base (100) further comprises a design shell (103), the design shell (103) being enclosed outside the key assembly receiving portion (1011).

9. The switch of claim 7, wherein the mounting base (100) further comprises a mounting structure (102a) fixedly connected to the mounting surface of the switch, the housing (101) is provided with a mounting through groove (10111) and guide limiting grooves (10112), the two guide limiting grooves (10112) are symmetrically disposed on two sides of the mounting through groove (10111), two ends of the mounting structure (102a) are slidably disposed in the guide limiting grooves (10112), and the middle portion of the mounting structure (102a) is suspended in the mounting through groove (10111).

10. The switch of claim 7, wherein the mounting base (100) further comprises an elastic mounting structure (102) fixedly connected to the switch mounting surface, the housing (101) is provided with a mounting through groove (10111), two ends of the elastic mounting structure (102) are connected to a groove wall of the mounting through groove (10111), and the rest of the elastic mounting structure (102) is spaced from the groove wall of the mounting through groove (10111).