CN216698168U - Switch structure with stable and reliable press control - Google Patents
Switch structure with stable and reliable press control Download PDFInfo
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- CN216698168U CN216698168U CN202123021136.5U CN202123021136U CN216698168U CN 216698168 U CN216698168 U CN 216698168U CN 202123021136 U CN202123021136 U CN 202123021136U CN 216698168 U CN216698168 U CN 216698168U
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Abstract
The utility model discloses a switch structure with stable and reliable press control, which comprises a shell, a switch cavity cover, at least two terminals, a switch elastic sheet and a switch pressing piece, wherein the switch cavity cover is provided with a plurality of contact holes; wherein: the shell is internally provided with an accommodating cavity, the inner bottom surfaces of the two terminals in the accommodating cavity are respectively provided with a first closed end and a second closed end in an exposed manner, and the switch elastic sheet is arranged above the first closed end and the second closed end; the shell is provided with a first avoidance through hole, the switch cavity cover is positioned in the containing cavity and provided with a second avoidance through hole, the switch pressing piece penetrates through the first avoidance through hole and the second avoidance through hole, and the switch pressing piece can be pressed to act on the switch elastic piece so that the switch elastic piece is connected with the first closed end and the second closed end; the switch pressing piece is provided with a return spring, the upper end of the return spring acts on the switch pressing piece, and the lower end of the return spring acts on the switch cavity cover. The switch pressing piece is not easy to deflect, and insensitivity and even failure caused by pressing operation of the switch elastic piece are effectively reduced.
Description
Technical Field
The utility model relates to the technical field of key switch structures, in particular to a switch structure with stable and reliable press control.
Background
The mouse industry is increasingly demanding to find a switch with small sound and reliable operation. The touch switch in the market at present comprises a base and a cover plate, wherein a cavity is formed in the base to bear parts of a switch product, and then the cover plate is assembled on the top of the base, so that most parts bearing the switch product in the cavity of the base are covered below the cover plate, and a button part is exposed on the top of the cover plate. With the structure, during pressing operation, the pressing action part is easy to deflect, so that the pressing operation of the switch elastic sheet is sensitive and even fails.
Therefore, a new technical solution needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a switch structure with stable and reliable press control, which utilizes a switch cavity cover to provide a second avoiding through hole for the switch pressing member to pass through, and simultaneously, the upper end of a return spring of the switch pressing member acts on the switch pressing member, and the lower end of the return spring acts on the switch cavity cover, so that the switch pressing member is not easy to deflect, and the insensitivity and even failure of a switch elastic sheet caused by press operation are effectively reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a switch structure with stable and reliable press control comprises a shell, a switch cavity cover, at least two terminals, a switch elastic sheet and a switch press piece; wherein:
the shell is internally provided with an accommodating cavity, the inner bottom surfaces of the two terminals in the accommodating cavity are respectively provided with a first closed end and a second closed end in an exposed mode, and the switch elastic sheet is arranged above the first closed end and the second closed end;
the shell is provided with a first avoidance through hole, the switch cavity cover is positioned in the accommodating cavity and provided with a second avoidance through hole, the switch pressing piece penetrates through the first avoidance through hole and the second avoidance through hole, and the switch pressing piece can be pressed to act on the switch elastic piece so as to enable the switch elastic piece to be connected with the first closed end and the second closed end; the switch pressing piece is provided with a return spring, the upper end of the return spring acts on the switch pressing piece, and the lower end of the return spring acts on the switch cavity cover.
As a preferable scheme, the switch cavity cover is provided with a fulcrum column extending upwards, and the lower end of the return spring is sleeved on the fulcrum column.
As a preferable scheme, the switch pressing member has a spring installation groove, the fulcrum column extends into the spring installation groove, and the upper end of the return spring extends into the spring installation groove and upwardly abuts against the inside of the spring installation groove.
Preferably, the switch pressing piece comprises a first pressing piece and a second pressing piece, the spring installation groove is arranged on the first pressing piece, the first pressing piece is provided with a first separation prevention part, and the second pressing piece is provided with a second separation prevention part; the upper end of the first pressing piece penetrates through a first avoiding through hole, the first anti-falling part is limited by a first positioning part in the shell, the upper end of the second pressing piece penetrates through a second avoiding through hole, and the second anti-falling part is limited by the lower side of the switch cavity cover; the first pressing piece is pressed against the second pressing piece.
Preferably, the first pressing member is pressed against the second pressing member by a pressing post, and the fulcrum post and the pressing post are arranged in parallel.
As a preferred scheme, the spring mounting groove and the fulcrum column are coaxially and oppositely arranged.
Compared with the prior art, the switch pressing piece has the obvious advantages and beneficial effects, and particularly, according to the technical scheme, the switch pressing piece is mainly characterized in that the switch cavity cover is used for providing the second avoiding through hole for the switch pressing piece to penetrate through, meanwhile, the upper end of the return spring of the switch pressing piece acts on the switch pressing piece, and the lower end of the return spring acts on the switch cavity cover.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a perspective view of a switch chamber cover of an embodiment of the present invention.
The attached drawings indicate the following:
the locking device comprises a shell 1, an accommodating cavity 11, a first avoiding through hole 12, a base 101, a cavity shell 102, a middle cover 103, an upper cover 104, a buckling arm 105, a first buckling point 106, a second buckling point 107, a first anti-disengaging part 111, a second anti-disengaging part 112, a switch cavity cover 2, a second avoiding through hole 21, a first terminal 3, a first closing end 31, a second terminal 4, a second closing end 41, a switch elastic sheet 5, a switch pressing piece 6, an elastic rubber piece 61, a first pressing piece 601, a second pressing piece 602, a return spring 63, a driving spring 7, a micro switch button 8, a third terminal 81, a micro elastic sheet 82, a buckling bulge 1011, a buckling hole 1031, a fulcrum column 201, a spring mounting groove 64, a first positioning part 1101 and a pressing column 6011.
Detailed Description
Referring to fig. 1 to 5, specific structures of embodiments of the present invention are shown.
A switch structure with stable and reliable press control comprises a shell 1, a switch cavity cover 2, at least two terminals (respectively defined as a first terminal 3 and a second terminal 4), a switch elastic sheet 5 and a switch pressing piece 6; wherein:
the inside of the shell 1 is provided with an accommodating cavity 11, the inner bottom surfaces of the two terminals in the accommodating cavity 11 are respectively provided with a first closed end 31 and a second closed end 41 in an exposed manner, and the switch elastic sheet 5 is arranged above the first closed end 31 and the second closed end 41;
the shell 1 is provided with a first avoidance through hole 12, the switch cavity cover 2 is positioned in the accommodating cavity 11, the switch cavity cover 2 is provided with a second avoidance through hole 21, the switch pressing piece 6 penetrates through the first avoidance through hole 12 and the second avoidance through hole 21, and the switch pressing piece 6 can be pressed to act on the switch elastic piece 5, so that the switch elastic piece 5 is connected with the first closed end 31 and the second closed end 41; the switch pressing piece 6 is provided with a return spring 63, the upper end of the return spring 63 acts on the switch pressing piece 6, and the lower end of the return spring 63 acts on the switch cavity cover 2.
The switch cavity cover 2 is provided with a supporting point column 201 extending upwards, and the lower end of the return spring 63 is sleeved on the supporting point column 201. The switch pressing member 6 has a spring installation groove 64, the fulcrum column 201 extends into the spring installation groove 64, and the upper end of the return spring 63 extends into the spring installation groove 64 and upwards abuts against the inside of the spring installation groove 64.
The switch pressing member 6 includes a first pressing member 601 and a second pressing member 602, the spring installation groove 64 is disposed on the first pressing member 601, the first pressing member 601 has a first falling off prevention portion 111, and the second pressing member 602 has a second falling off prevention portion 112; the upper end of the first pressing piece 601 passes through the first avoiding through hole 12, the first anti-falling part 111 is limited by the first positioning part 1101 inside the shell 1, the upper end of the second pressing piece 602 passes through the second avoiding through hole 21, and the second anti-falling part 112 is limited by the lower side of the switch cavity cover 2; the first pressing member 601 presses against the second pressing member 602.
The first pressing member 601 is pressed against the second pressing member 602 by a pressing column 6011, and the fulcrum column 201 and the pressing column 6011 are arranged in parallel. The spring installation groove 64 is arranged opposite to the fulcrum column 201 in the same axial direction.
The cavity shell 102 comprises a middle cover 103 and an upper cover 104, the upper end and the lower end of the middle cover 103 are open and are provided with peripheral side walls, the base 101 is arranged corresponding to the lower end opening of the middle cover 103, and the upper cover 104 is arranged corresponding to the upper end opening of the middle cover 103. The upper cover 104 is provided with a downwardly extending buckling arm 105, a first buckling point 106 is convexly arranged on the outer side of the buckling arm 105, a second buckling point 107 is convexly arranged on the inner wall surface of the peripheral side wall of the middle cover 103, and the first buckling point 106 is limited below the second buckling point 107. The lower extreme of first stuck point 106 is provided with first guide surface, the upper end of second stuck point 107 is provided with first guide surface, first stuck point 106 is gone up along second guide surface extrusion card through first guide surface and is gone into inside the middle cover 103. And a clamping protrusion 1011 is arranged on the outer side of the base 101, the cavity shell 102 is provided with a buckling hole 1031, and the clamping protrusion 1011 is clamped into the buckling hole 1031.
It should be noted that:
the key switch product capable of switching sound and silence also comprises a driving reed 7, a micro switch button 8, a third terminal 81 and a micro elastic sheet 82, wherein the second pressing piece 602 is designed into the structural form of an outer button, the micro switch and a tact switch are switched by rotating the outer button, the sound and silence are switched, the second pressing piece 602 is pressed, and the micro switch button 8 or the switch pressing piece 6 is correspondingly driven by the second pressing piece 602 so as to control the pressing of the micro elastic sheet 82 or the switch elastic sheet 555.
In the embodiment, a key switch product with sound and no sound switching function is taken as an example for description, but the technical scheme of assembling product parts by using the accommodating cavity 11 inside the cavity shell 102 as a carrier is not limited to the product structure shown in the embodiment, and the technical scheme can also be applied to a tact switch product without a switching function, such as a microswitch, a tact switch, and the like.
The key point of the design of the utility model is that the switch cavity cover 2 is mainly utilized to provide a second avoiding through hole 21 for the switch pressing piece 6 to pass through, meanwhile, the upper end of a return spring 63 of the switch pressing piece 6 acts on the switch pressing piece 6, and the lower end of the return spring 63 acts on the switch cavity cover 2, so that the switch pressing piece 6 is not easy to deflect, and insensitivity and even failure of a switch elastic sheet 5 caused by pressing operation are effectively reduced.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and should not be construed as limiting the specific scope of the present invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (6)
1. The utility model provides a switch structure that press control is reliable and stable which characterized in that: comprises a shell, a switch cavity cover, at least two terminals, a switch elastic sheet and a switch pressing piece; wherein:
the shell is internally provided with an accommodating cavity, the inner bottom surfaces of the two terminals in the accommodating cavity are respectively provided with a first closed end and a second closed end in an exposed mode, and the switch elastic sheet is arranged above the first closed end and the second closed end;
the shell is provided with a first avoidance through hole, the switch cavity cover is positioned in the containing cavity and provided with a second avoidance through hole, the switch pressing piece penetrates through the first avoidance through hole and the second avoidance through hole, and the switch pressing piece can press and act on the switch elastic piece so as to enable the switch elastic piece to be connected with the first closed end and the second closed end; the switch pressing piece is provided with a return spring, the upper end of the return spring acts on the switch pressing piece, and the lower end of the return spring acts on the switch cavity cover.
2. The switch structure with stable and reliable press control according to claim 1, characterized in that: the switch cavity cover is provided with a fulcrum column extending upwards, and the lower end of the return spring is sleeved on the fulcrum column.
3. The switch structure with stable and reliable press control according to claim 2, characterized in that: the switch pressing piece is provided with a spring mounting groove, the fulcrum column extends into the spring mounting groove, and the upper end of the return spring extends into the spring mounting groove and upwards supports against the inside of the spring mounting groove.
4. The switch structure with stable and reliable press control according to claim 3, characterized in that: the switch pressing piece comprises a first pressing piece and a second pressing piece, the spring installation groove is formed in the first pressing piece, the first pressing piece is provided with a first anti-falling part, and the second pressing piece is provided with a second anti-falling part; the upper end of the first pressing piece penetrates through a first avoiding through hole, the first anti-falling part is limited by a first positioning part in the shell, the upper end of the second pressing piece penetrates through a second avoiding through hole, and the second anti-falling part is limited by the lower side of the switch cavity cover; the first pressing piece is pressed against the second pressing piece.
5. The switch structure with stable and reliable press control according to claim 4, characterized in that: the first pressing piece is pressed against the second pressing piece through the pressing column, and the fulcrum column and the pressing column are arranged in parallel.
6. The switch structure with stable and reliable press control according to claim 5, characterized in that: the spring mounting groove is arranged opposite to the fulcrum column in the same axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123021136.5U CN216698168U (en) | 2021-12-03 | 2021-12-03 | Switch structure with stable and reliable press control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123021136.5U CN216698168U (en) | 2021-12-03 | 2021-12-03 | Switch structure with stable and reliable press control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698168U true CN216698168U (en) | 2022-06-07 |
Family
ID=81836559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123021136.5U Active CN216698168U (en) | 2021-12-03 | 2021-12-03 | Switch structure with stable and reliable press control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216698168U (en) |
-
2021
- 2021-12-03 CN CN202123021136.5U patent/CN216698168U/en active Active
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