CN209785800U - Button structure capable of reducing compression feeling of elastic sheet and electronic equipment - Google Patents
Button structure capable of reducing compression feeling of elastic sheet and electronic equipment Download PDFInfo
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- CN209785800U CN209785800U CN201920400682.3U CN201920400682U CN209785800U CN 209785800 U CN209785800 U CN 209785800U CN 201920400682 U CN201920400682 U CN 201920400682U CN 209785800 U CN209785800 U CN 209785800U
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- fixed
- component
- movable switch
- key structure
- switch member
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Abstract
The utility model discloses a can reduce button structure and electronic equipment that shell fragment oppression was felt, the button structure includes: a fixed switch member having an electrode that can be turned on to perform key recognition; a movable switch member provided corresponding to the fixed switch member, the movable switch member being deformed to turn on or off the fixed switch; and a fixed member for maintaining the relative positional relationship between the movable switch member and the fixed switch member fixed, the fixed member being provided in advance with a recess for accommodating the movable switch member, the fixed member being provided in the recess. The utility model discloses be provided with the depressed part that is used for holding the movable switch component with fixed component in advance, fixed component sets up in the depressed part, reduces the oppression to the movable switch component through the depressed part, can strengthen the key journey on the one hand, and on the other hand can also strengthen the button and feel.
Description
Technical Field
The utility model discloses a button structure, especially a button structure and electronic equipment that can reduce shell fragment oppression and feel belongs to electronic product technical field.
Background
Keyboard or button are one of the indispensable accessories of a computer, and traditional keyboard is owing to do not have the structural constraint, and its button adopts scissors foot formula structure mostly, and scissors foot formula keyboard structure key journey is long, feels good, but, its shortcoming is exactly that the button is thicker, can't accomplish ultra-thinly. With the increasing development of electronic products, the increasing of miniaturization and light and thin degree, the keyboard of the traditional scissor-leg type structure can not meet the requirements of people for a long time, so that the ultrathin keyboard structure is produced, and the ultrathin keyboard structure in the prior art generally adopts DOME (namely metal elastic sheet) as a conducting element to conduct a circuit so as to reduce the thickness of the whole product.
At present, the DOME is usually mounted together with the circuit board through a DOME mounting film (usually, a polyester film, also called Mylar) and the Mylar attached to the elastic sheet is a planar film structure with a single surface adhesive, after the whole switch is attached to the keyboard, because the stretchability of the Mylar itself is not enough to offset the thickness of the elastic sheet itself, the elastic sheet is always in a compressed state after being attached, and the total height becomes lower after being attached, please refer to fig. 1. Therefore, the whole key stroke is shortened, and the touch (Click ratio) of the key is influenced, the Click ratio of the key manufactured by the traditional process is reduced by about 10% after the key is assembled, and the touch is worse than that of the elastic sheet.
Disclosure of Invention
To the adoption Mylar direct mount DOME form among the above-mentioned prior art, cause whole key stroke weak point, the shortcoming of feeling poor, the utility model provides a can reduce button structure and electronic equipment that shell fragment oppression felt, it is provided with the depressed part that is used for holding movable switch component with fixed component in advance, and fixed component sets up in the depressed part.
The utility model provides a technical scheme that its technical problem adopted is: a key structure capable of reducing the oppressive sense of a spring plate comprises:
A fixed switch member having an electrode that can be turned on to perform key recognition;
A movable switch member provided corresponding to the fixed switch member, the movable switch member being deformed to turn on or off the fixed switch;
And a fixed member for maintaining the relative positional relationship between the movable switch member and the fixed switch member fixed, the fixed member being provided in advance with a recess for accommodating the movable switch member, the fixed member being provided in the recess.
An electronic device comprises more than one key structure capable of reducing the compression feeling of the elastic sheet, wherein the key structure is arranged corresponding to a key on the electronic device.
the utility model provides a technical scheme that its technical problem adopted further still includes:
The key structure comprises a supporting component, and the fixed switch component is fixedly arranged on the supporting component.
The support component is fixedly provided with an isolation component, the fixing component is arranged above the isolation component, a hollow part is arranged on the isolation component corresponding to the position of the fixed switch component, and the fixed switch component is arranged in the hollow part.
The sum of the height of the concave part on the fixed component and the thickness of the isolation component is equal to or larger than the height of the movable switch component in the natural state.
the area of the recess in the fixed member in the plan view is larger than the area of the movable opening/closing member in the natural state.
The fixed component is fixedly provided with a salient point corresponding to the position of the movable switch component, and the salient point is arranged above or below the fixed component.
The salient point is arranged corresponding to the center of the movable switch component.
the cross section of the concave part on the fixed component is arc-shaped, and the radius of the arc-shaped concave part is larger than or equal to the radius of the arc-shaped cross section of the movable switch component.
The utility model has the advantages that: the utility model discloses be provided with the depressed part that is used for holding the movable switch component with fixed component in advance, fixed component sets up in the depressed part, reduces the oppression to the movable switch component through the depressed part, can strengthen the key journey on the one hand, and on the other hand can also strengthen the button and feel, makes Click ratio maintain the parameter at shell fragment itself, does not cause Click ratio value to reduce.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
drawings
Fig. 1 is a schematic partial cross-sectional view of a conventional key structure.
Fig. 2 is a schematic view of the local cross-section structure of the key structure of the present invention.
in the figure, 1-circuit board, 2-spring plate, 3-fixed film, 4-gasket, 5-salient point and 6-adhesive layer.
Detailed Description
The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.
Please refer to fig. 1 and fig. 2 in combination, the present invention mainly provides a key structure capable of reducing the oppression of the elastic sheet, the key structure mainly includes: (1) a fixed switch member having an electrode that can be turned on to recognize a key; (2) a movable switch member provided corresponding to the fixed switch member, and configured to be deformed to turn on or off the fixed switch; (3) and a fixed member for maintaining the relative positional relationship between the movable switch member and the fixed switch member fixed, the fixed member being provided in advance with a recess for accommodating the movable switch member, the fixed member being provided in the recess.
The fixed switch component and the movable switch component are arranged correspondingly, when the movable switch component is pressed down to deform, two electrodes of the fixed switch component can be conducted through the movable switch component to enable the movable switch component to conduct key identification, and in the embodiment, the fixed switch component is a switch electrode attached to the circuit board 1. In this embodiment, the movable switch component is a deformable component, and the electrode on the fixed switch component can be conducted when the movable switch component deforms.
In this embodiment, the fixed switch component is attached to the supporting component, the supporting component is usually a circuit board 1, the circuit board 1 may adopt a PCB or an FPC, or may also adopt a rigid-flex board, and the fixed switch component (i.e. an electrode) and the circuit are attached to the circuit board 1. In this embodiment, an isolation component is fixedly attached to a supporting component (mainly, the circuit board 1), or may be referred to as a protection component, the isolation component employs a SPACER 4 (namely, a SPACER), the SPACER 4 has an isolation effect, and also has an effect of protecting a circuit on the supporting component, in this embodiment, the SPACER 4 is bonded to the supporting component through an adhesive layer 6, a hollow portion is disposed on the SPACER 4 corresponding to a position of the movable switch component, and the movable switch component is disposed at the hollow portion on the SPACER 4.
The movable switch component is arranged corresponding to the fixed switch component through the fixed component, in the embodiment, the fixed component, namely the fixed film 3, is made of polyester film (also called Mylar), the fixed component is provided with a concave part for accommodating the movable switch component in advance, the fixed component is arranged in the concave part, the concave part can be formed through hot pressing of a hot pressing die before assembly, and in specific implementation, other processing technologies can be adopted for processing. The sum of the height of the recess on the fixed member and the thickness of the spacer member is equal to or greater than the height of the movable switch member in its natural state, so that the movable switch member can be smoothly mounted on the circuit board 1 via the fixed member. The sum of the height of the concave part on the fixed component and the thickness of the isolation component can be equal to or slightly larger than the height of the movable switch component in the natural state, so that the movable switch component can not deform in the natural state and can not influence the normal use of the movable switch component. In this embodiment, the area of the recess on the fixed member in the plan view direction is larger than the area of the movable switch member in the natural state, so that the recess can completely cover the movable switch member.
In the present embodiment, the protruding point 5 (i.e., PLUNGER) is fixedly provided on the fixed member at a position corresponding to the movable switch member, and the protruding point 5 is provided above or below the fixed member, preferably above the fixed member. The bump 5 is provided corresponding to the movable switch member center position.
In this embodiment, the thickness of the elastic sheet 2 is 0.06 ± 0.005mm, the height of the elastic sheet 2 is 0.38 ± 0.01mm, the thickness of the fixing film 3 is 0.05 ± 0.005mm, the height of the concave portion is 0.38 ± 0.01mm, and the thickness of the gasket 4 is 0.075 ± 0.005 mm.
The utility model discloses protect an electronic equipment simultaneously, this electronic equipment include more than one as foretell can reduce the button structure that the shell fragment oppressed and feel, this button structure corresponds to the button setting on the electronic equipment, and electronic equipment can be notebook computer, ultra-thin keyboard etc. can all adopt above-mentioned button structure in its electronic equipment's the button, also can partly adopt above-mentioned button structure.
The utility model discloses be provided with the depressed part that is used for holding the movable switch component with fixed component in advance, fixed component sets up in the depressed part, reduces the oppression to the movable switch component through the depressed part, can strengthen the key journey on the one hand, and on the other hand can also strengthen the button and feel, makes Click ratio maintain the parameter at shell fragment itself, does not cause Click ratio value to reduce.
Claims (8)
1. The utility model provides a can reduce button structure that shell fragment oppressed sense, characterized by: the key structure comprises
A fixed switch member having an electrode that can be turned on to perform key recognition;
A movable switch member provided corresponding to the fixed switch member, the movable switch member being deformed to turn on or off the fixed switch;
And a fixed member for maintaining the relative positional relationship between the movable switch member and the fixed switch member fixed, the fixed member being provided in advance with a recess for accommodating the movable switch member, the fixed member being provided in the recess.
2. The key structure capable of reducing the compression feeling of the dome as claimed in claim 1, wherein: the key structure comprises a supporting component, and the fixed switch component is fixedly arranged on the supporting component.
3. The key structure capable of reducing the compression feeling of the dome as claimed in claim 2, wherein: the support component is fixedly provided with an isolation component, the fixing component is arranged above the isolation component, a hollow part is arranged on the isolation component corresponding to the position of the fixed switch component, and the fixed switch component is arranged in the hollow part.
4. The key structure capable of reducing the compression feeling of the dome as claimed in claim 3, wherein: the sum of the height of the concave part on the fixed component and the thickness of the isolation component is equal to or larger than the height of the movable switch component in the natural state.
5. The key structure capable of reducing the compression feeling of the dome as claimed in claim 1, wherein: the area of the recess in the fixed member in the plan view is larger than the area of the movable opening/closing member in the natural state.
6. The key structure capable of reducing the compression feeling of the dome as claimed in claim 1, wherein: the fixed component is fixedly provided with a salient point corresponding to the position of the movable switch component, and the salient point is arranged above or below the fixed component.
7. The key structure capable of reducing the compression feeling of the dome as claimed in claim 1, wherein: the cross section of the concave part on the fixing component is arc-shaped.
8. an electronic device, characterized by: the electronic device comprises more than one key structure which can reduce the oppressive feeling of the elastic sheet according to any one of claims 1 to 7, and the key structure is arranged corresponding to a key on the electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400682.3U CN209785800U (en) | 2019-03-27 | 2019-03-27 | Button structure capable of reducing compression feeling of elastic sheet and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920400682.3U CN209785800U (en) | 2019-03-27 | 2019-03-27 | Button structure capable of reducing compression feeling of elastic sheet and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785800U true CN209785800U (en) | 2019-12-13 |
Family
ID=68799940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920400682.3U Expired - Fee Related CN209785800U (en) | 2019-03-27 | 2019-03-27 | Button structure capable of reducing compression feeling of elastic sheet and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209785800U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887780A (en) * | 2019-03-27 | 2019-06-14 | 深圳市汇创达科技股份有限公司 | The press-key structure and electronic equipment of elastic slice constriction can be reduced |
-
2019
- 2019-03-27 CN CN201920400682.3U patent/CN209785800U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887780A (en) * | 2019-03-27 | 2019-06-14 | 深圳市汇创达科技股份有限公司 | The press-key structure and electronic equipment of elastic slice constriction can be reduced |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |