CN109524265A - Key - Google Patents
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- Publication number
- CN109524265A CN109524265A CN201811322424.4A CN201811322424A CN109524265A CN 109524265 A CN109524265 A CN 109524265A CN 201811322424 A CN201811322424 A CN 201811322424A CN 109524265 A CN109524265 A CN 109524265A
- Authority
- CN
- China
- Prior art keywords
- support plate
- support
- bottom edge
- piece
- keycap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention includes bottom plate, keycap and support device about a kind of key.Bottom plate has first pivoting portion and second pivoting portion.Support device is set on bottom plate and supports for keycap and includes the first support plate and the second support plate that be relative to each other and being respectively provided with the first bottom edge and the second bottom edge, first support plate and the second support plate are respectively pivoted to first pivoting portion and second pivoting portion, and first supports for piece and second support for piece and extended to form from the first bottom edge and the second bottom edge respectively to support under the second bottom edge and the first bottom edge and miss one another respectively.When keycap is pressed, first supports for piece and second supports for piece and support for the second bottom edge and the first bottom edge respectively and be swung up, and first supports for piece and second support for piece and generate elastic-restoring force with the second bottom edge and the interference of the first bottom edge respectively with the first support plate of bias and the second support plate deflection deformation.Key of the invention omits the configuration of scissor support device and elastic component, the space occupied needed for effectively reducing key entirety.
Description
Technical field
The present invention relates to a kind of key more particularly to a kind of interfered with each other using support plate to provide key reset force
Key.
Background technique
For the use habit of current personal computer, keyboard is indispensable one of input equipment, to input
Text, symbol or number.Moreover, the consumer electrical product or industry that everyday life contacts such as use big
Type processing equipment all needs to be equipped with press-key structure as input unit, to operate above-mentioned electronic product and process equipment.
General conventional keyboard use by the package assembly of scissor support device and elastic component be set to keycap and bottom plate it
Between pressing design, whereby, after keycap is depressed by a user, elastic component provide elastic-restoring force to keycap, to drive keycap
As the mechanism actuation of scissor support device returns back to the position before pressing.However, by above-mentioned scissor support device institute
The scissor mechanism design of use will lead to key and need biggish height space, therefore be unfavorable for the application of keyboard slimming.
Further, since elastic component is usually that rubber is made, rubber has fatigue conditions under long-time service, and then makes the use of key
Reduced lifetime.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of interfered with each other using support plate with provide key reset force by
Key, to solve the above problems.
According to an aspect of the present invention, the present invention proposes a kind of key, includes:
Bottom plate has at least one first pivoting portion and at least one second pivoting portion；
Keycap is set to above the bottom plate；And
Support device is set on the bottom plate and supports for the keycap so that the keycap is in non-pressing position and pressing position
Moved up and down between setting, the support device include the first support plate and the second support plate, first support plate with should
Second support plate is opposite to each other and first support plate is with the first bottom edge and second support plate has the second bottom
Side, first support plate are pivotably connected at least one first pivoting portion, which pivotly connects
It is connected at least one second pivoting portion, at least one is extended to form toward second support plate from first bottom edge and first supports for
Piece extends to form at least one toward first support plate from second bottom edge and second supports for piece to support under second bottom edge
With support under first bottom edge and this at least one second support for piece and this at least one first support for piece dislocation；
Wherein when the keycap is not pressed, this at least one first support for piece support for second support plate this second
Bottom edge and this at least one second support for piece and support for first bottom edge of first support plate so that the keycap is maintained at this not
Pressing position；
When the keycap is by pressed by external force to the pressing position, this at least one first support for piece with first support plate
Part supports for second bottom edge relative to the pivot of at least one first pivoting portion and is swung up, this at least one second support for piece
It is swung up as second support plate supports for first bottom edge relative to the pivot of at least one second pivoting portion, and should
At least one first support for piece and second bottom edge interference generated with bias the second support plate deflection deformation elasticity return
Multiple power, this at least one second support for piece and first bottom edge interference bullet generated with bias the first support plate deflection deformation
Property restoring force；
When external force release, which drives the keycap to be repositioned to the non-pressing position.
As optional technical solution, first support plate and second support plate are essentially identical support plate part
Structure.
As optional technical solution, which is that the bending card to be formed is projected upwards from the bottom plate
It hooks, the position which corresponds to the bending hook, which is formed, accommodates aperture, which is fastened on the receiving aperture
In so that first support plate is pivotably connected to the bottom plate.
As optional technical solution, the part which corresponds to the receiving aperture is downward toward the bending hook
Recess is to form concave inward structure.
As optional technical solution, which is bent to form at least one folded edges toward first support plate, when
When the pressed by external force keycap to the pressing position, at least one the folded edges backstop first support plate relative to this extremely
A few first pivoting portion pivots.
As optional technical solution, the bottom plate is between first support plate and second support plate
Position protrusion forms convex closure elastomer, which also includes:
Trigger switch is connected to the position that the keycap corresponds to the convex closure elastomer；
Wherein, when the pressed by external force keycap to the pressing position, which, which compresses, triggers the trigger switch；
When the external force is released, the convex closure elastomer offer elastic power drive of the compression keycap is repositioned to this and does not press
Position.
As optional technical solution, which has extended outward to form at least one bending hole piece, and the keycap is corresponding should
The side of at least one bending hole piece protrudes outward to form limit ear, which is removably inserted in this at least one
In bending hole piece, supported for limiting the keycap on first support plate and second support plate.
As optional technical solution, this at least one first support for piece and extend laterally to form backstop ear, the bottom plate pair
Should backstop ear position formed support chip, when the keycap is located at the non-pressing position, which supports for the backstop ear
Continue to pivot downwards to limit first support plate relative to the bottom plate in portion.
As optional technical solution, which is in evagination arc.
As optional technical solution, first support plate and second support plate are as made by metal material.
In conclusion in the case where using support plate to interfere with each other to provide the design of key reset force, it is provided by the present invention
Key can omit the configuration of scissor support device and elastic component, thus the sky occupied needed for effectively reduction key is whole
Between, with the subsequent keyboard slimming application of benefit, and effectively extend the service life of key.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the part perspective view of the explosion of the key proposed according to one embodiment of the invention；
Fig. 2 is the perspective view of the explosion of key in Fig. 1；
Fig. 3 is key in Fig. 1 along the diagrammatic cross-section of hatching A-A；
Fig. 4 is key in Fig. 1 along the diagrammatic cross-section of hatching B-B；
Fig. 5 is the diagrammatic cross-section that keycap is pressed into pressing position in Fig. 3；
Fig. 6 is the diagrammatic cross-section that keycap is pressed into pressing position in Fig. 4；
Fig. 7 is the enlarged schematic partial view of the support device proposed according to another embodiment of the present invention.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect, following cooperation with reference to schema it is a kind of compared with
In the detailed description of good embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as: upper and lower,
It is left and right, front or rear etc., it is only the direction with reference to annexed drawings.Therefore, the direction term used is for illustrating not to be used to limit
The system present invention.
Fig. 1 and Fig. 2 is please referred to, Fig. 1 shows for the part explosion of the key 10 proposed according to one embodiment of the invention
It is intended to, Fig. 2 is the perspective view of the explosion of key 10 in Fig. 1, and key 10 can be preferably employed in general with by upper cover and lower case
On the portable electronic devices of the open-and-close mechanism of composition (such as laptop), but not limited to this.As shown in Figure 1 and Figure 2,
Key 10 includes bottom plate 12, keycap 14 and support device 16.Bottom plate 12 is at least one first pivoting portion 18 and at least
One second pivoting portion 20 (showing two respectively in Fig. 1, but not limited to this), keycap 14 are set to 12 top of bottom plate.Branch
Support arrangement 16 is set on bottom plate 12 and supports for keycap 14, and support device 16 includes the first support plate 22 and the second support plate
Part 24, the first support plate 22 and the second support plate 24 can as made by metal material and be essentially preferably identical support
Plate structure (but being not limited) is in favor of the manufacture of support device 16, and the first support plate 22 and the second support plate 24 are each other
Relatively and it is respectively provided with the first bottom edge 26 and the second bottom edge 28, the first support plate 22 is pivotably connected to first pivoting portion
18, and the second support plate 24 is pivotably connected to second pivoting portion 20, first supports for piece 30 from the first bottom edge 26 toward second
Support plate 24 is extended to form to support under the second bottom edge 28, and second supports for piece 32 from the second bottom edge 28 toward the first support plate
Part 22 is extended to form to support for lower in the first bottom edge 26 and support for the dislocation of piece 30 with first, and whereby, keycap 14 can be via first
Fagging part 22 and the second support plate 24 be respectively relative to the pivot of bottom plate 12 and with support device 16 in non-pressing position
It is moved up and down between pressing position.
In more detail, in this embodiment, first pivoting portion 18 can be preferably to project upwards from bottom plate 12 to be formed
Hook is bent, the position of the corresponding bending hook of the first support plate 22, which can be formed, accommodates aperture 34, and first pivoting portion 18 can fasten
So that the first support plate 22 is pivotably connected to bottom plate 12 in receiving aperture 34.Further, the first support plate
22 can form toward first pivoting portion 18 to lower recess concave inward structure 36 in the corresponding part for accommodating aperture 34 (such as is beaten with punching press
Recessed mode is formed), whereby, the present invention can not only promote the structural rigidity of the first support plate 22, while can also reduce by
One support plate 22 is articulated in the assembled height on bottom plate 12 so that the slimming of key 10 designs.
As in switch triggering design aspect, the triggering design that convex closure structure compresses trigger switch is can be used in the present invention, is lifted
For example, as shown in Figure 1 and Figure 2, bottom plate 12 is in the position between the first support plate 22 and the second support plate 24
Setting can protrude to form convex closure elastomer 38, and key 10 also includes trigger switch 40, and it is convex that trigger switch 40 is connected to the correspondence of keycap 14
The position of packet elastomer 38.In this way, which convex closure elastomer 38 can compress triggering when pressed by external force keycap 14 to pressing position
Trigger switch 40, so that key 10 executes corresponding input function；On the other hand, when external force is released, the convex closure of compression
Elastomer 38 can provide elastic force to drive keycap 14 to return to non-pressing position and generate self-return effect, so as to user into
The subsequent key press operation of row.
In addition to this, as shown in Figure 2, bottom plate 12 is bent to form at least one folded edges 42 toward the first support plate 22
(show four in Fig. 2, but be not limited), whereby, when pressed by external force keycap 14 to pressing position, folded edges 42 can stop
It keeps off the first support plate 22 to continue to pivot relative to first pivoting portion 18, to prevent the first support plate 22 from making because of excessive pivotal
It is damaged at 10 internal component of key.In addition, support plate is affected by gravity downwards in the state that non-stress presses in order to prevent
Excessive pivotal, first, which supports for piece 30, can extend laterally to form backstop ear 44, and the position of the corresponding backstop ear 44 of bottom plate 12 can shape
At support chip 46, whereby, when keycap 14 is located at non-pressing position as shown in Figure 1, support chip 46 can support for backstop ear 44
It is pivoted downwards with limiting the first support plate 22 relative to bottom plate 12, and then avoids other of the first support plate 22 and key 10
Component (such as bottom plate 12) collides and generates structure abnormal sound or component is caused to damage.It is noted that above-mentioned receiving aperture,
The design of the support limit of concave inward structure, the configuration of folded edges and backstop ear and support chip also can be applicable to the second support plate
On part 24, associated description can refer to above description and analogize, and repeat no more in this.
In practical applications, as shown in Figure 1, bottom plate 12 can extend outward to form at least one bending hole piece 48 (in Fig. 1
Display four, but be not limited), the side that keycap 14 can correspond to bending hole piece 48 protrudes outward to form limit ear 50, whereby,
Limit ear 50 is removably inserted in bending hole piece 48 to limit keycap 14 and support in the first support plate 22 and second
On support plate 24, to certainly prevent keycap 14 from occurring structure shaking phenomenon during pressing operation or from first
The case where surprisingly falling off on fagging part 22 and the second support plate 24.
It is described in detail for the pressing of key 10 with retroposition mechanism in this, please refers to Fig. 3, Fig. 4, Fig. 5, Yi Jitu
6, Fig. 3 be key 10 in Fig. 1 along the diagrammatic cross-section of hatching A-A, and Fig. 4 is that key 10 shows along the section of hatching B-B in Fig. 1
Be intended to, Fig. 5 is that keycap 14 is pressed into the diagrammatic cross-section of pressing position in Fig. 3, Fig. 6 be in Fig. 4 keycap 14 be pressed by
Press the diagrammatic cross-section of position.When keycap 14 is not pressed, first supports for the second bottom that piece 30 supports for the second support plate 24
It side 28 and second supports for piece 32 and supports for the first bottom edge 26 of the first support plate 22 so that keycap 14 is maintained at such as Fig. 3 and Fig. 4
Shown in non-pressing position.When keycap 14 is by pressed by external force to pressing position, the first support plate 22 is with first pivoting portion 18
It is pivoted for fulcrum relative to bottom plate 12, and the second support plate 24 is that fulcrum is pivoted relative to bottom plate 12 with second pivoting portion 20,
In the process, it first supports for piece 30 and is swung up as the pivot of the first support plate 22 supports for the second bottom edge 28, and second
It supports for piece 32 and is swung up as the pivot of the second support plate 24 supports for the first bottom edge 26 and (simultaneously, first support for piece 30
Interfere respectively with the second bottom edge 28 and elastic-restoring force is generated with 24 deflection deformation of the second support plate of bias, second supports for piece 32
Interfere with the first bottom edge 26 and elastic-restoring force generated with 22 deflection deformation of the first support plate of bias), in this way, keycap 14
It can not be pressed with the pivot of the first support plate 22 and the pivot of the second support plate 24 from as shown in Figure 3 and 4
Pressure position is moved downward to pressing position as shown in figs.5 and 6, so that trigger switch 40 is supported by convex closure elastomer 38
It presses and triggers to execute corresponding input function.
On the other hand, when above-mentioned external force discharge when, because first support for piece 30 and second support for piece 32 respectively with the second bottom
Side 28 and the first bottom edge 26 are interfered and correspondingly the first support plate 22 with the second support plate 24 of deflection deformation can mention
The first support plate 22 is driven to pivot and drive the second support plate 24 for fulcrum with first pivoting portion 18 for elastic-restoring force
It is that fulcrum pivots that (simultaneously, convex closure elastomer 38 also can provide elastic force and drive keycap 14 to moving up with second pivoting portion 20
It is dynamic), it as shown in Figure 3 and 4 is not pressed so that keycap 14 be driven to move back to from pressing position as shown in figs.5 and 6
Position and the effect of generate self-return.
It is noted that the bottom edge design of support plate can be not limited to the above embodiments, for example, referring to Fig. 7,
It is the enlarged schematic partial view of the support device 16 ' proposed according to another embodiment of the present invention, this embodiment with it is above-mentioned
Element as described in the examples has identical number person, represents its structure or function having the same, associated description in this not
It repeats again.As shown in Figure 7, support device 16 ' includes the first support plate 22 ' and the second support plate 24, the first support plate
Part 22 ' and the second support plate 24 opposite to each other and are respectively provided with the first bottom edge 26 ' and the second bottom edge 28, and first supports for piece 30
It is extended to form from the first bottom edge 26 ' toward the second support plate 24 to support under the second bottom edge 28, and second supports for piece 32 from
Two bottom edges 28 are extended to form toward the first support plate 22 ' to be misplaced with supporting under the first bottom edge 26 ' and supporting for piece 30 with first.?
In this embodiment, the first bottom edge 26 ' can preferably be in that evagination arc (but is not limited, other, which also can be used, can reduce first
Bottom edge 26 ' and second support between piece 32 support for length bottom edge shape design, such as convex dot shape or wavy bottom edge etc.) with
It reduces the first bottom edge 26 ' and second to support for and support for length between piece 32, so that reducing the first bottom edge 26 ' and second supports for piece 32
Between contact friction force, using ensures that the pivot of the first support plate 22 ' and the second support plate 24 can be more smooth.Together
Reason, above-mentioned bottom edge design also can be applicable to the second support plate, and associated description can refer to above description and analogize, no longer superfluous in this
It states.
In this way, in the case where using support plate to interfere with each other to provide the design of key reset force, it is provided by the present invention
Key can omit the configuration of scissor support device and elastic component, thus the sky occupied needed for effectively reduction key is whole
Between, with the subsequent keyboard slimming application of benefit, and effectively extend the service life of key.
By the above detailed description of preferred embodiments, it is intended to more clearly describe feature and spirit of the invention,
And not protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover various changes and has being arranged in the scope of protection of the claims of the invention to be applied of equality.Cause
This, scope of protection of the claims of the invention should illustrate the most wide explanation of work according to above-mentioned, to cause it to cover institute
Possible change and the arrangement of tool equality.
Claims (10)
1. a kind of key, characterized by comprising:
Bottom plate has at least one first pivoting portion and at least one second pivoting portion；
Keycap is set to above the bottom plate；And
Support device, be set on the bottom plate and support for the keycap so that the keycap in non-pressing position and pressing position it
Between move up and down, the support device include the first support plate and the second support plate, first support plate and this second
Support plate is opposite to each other and first support plate is with the first bottom edge and second support plate has the second bottom edge, should
First support plate is pivotably connected at least one first pivoting portion, which is pivotably connected to this
At least one second pivoting portion extends to form at least one toward second support plate from first bottom edge and first supports for piece to support
It is butted under second bottom edge, extends to form at least one toward first support plate from second bottom edge and second support for piece to support for
Under first bottom edge and this at least one second support for piece and this at least one first support for piece dislocation；
Wherein when the keycap is not pressed, this at least one first support for second bottom edge that piece supports for second support plate
And this at least one second support for piece and support for first bottom edge of first support plate so that the keycap is maintained at this does not press
Position；
When the keycap is by pressed by external force to the pressing position, this at least one first support for piece with the first support plate phase
Second bottom edge is supported for for the pivot of at least one first pivoting portion to be swung up, this at least one second support for piece with
Second support plate supports for first bottom edge relative to the pivot of at least one second pivoting portion and is swung up, and this is at least
One first supports for piece and second bottom edge interference and generates elastic-restoring force with bias the second support plate deflection deformation,
This at least one second support for piece and first bottom edge interference is generated elasticity with bias the first support plate deflection deformation and returned
Multiple power；
When external force release, which drives the keycap to be repositioned to the non-pressing position.
2. key according to claim 1, which is characterized in that first support plate and second support plate are substantial
For identical support plate part structure.
3. key according to claim 1, which is characterized in that at least one first pivoting portion is to dash forward upwards from the bottom plate
The bending hook formed out, the position which corresponds to the bending hook, which is formed, accommodates aperture, the bending hook button
Together in the receiving aperture so that first support plate is pivotably connected to the bottom plate.
4. key according to claim 3, which is characterized in that the part that first support plate corresponds to the receiving aperture is past
The bending hook is to lower recess to form concave inward structure.
5. key according to claim 1, which is characterized in that the bottom plate is bent to form at least one toward first support plate
A folded edges, when the pressed by external force keycap to the pressing position, at least one the folded edges backstop first support
Plate is pivoted relative at least one first pivoting portion.
6. key according to claim 1, which is characterized in that the bottom plate be located at first support plate and this second
Position protrusion between support plate forms convex closure elastomer, which also includes:
Trigger switch is connected to the position that the keycap corresponds to the convex closure elastomer；
Wherein, when the pressed by external force keycap to the pressing position, which, which compresses, triggers the trigger switch；
When the external force is released, the convex closure elastomer offer elastic power drive of the compression keycap is repositioned to this and does not press position
It sets.
7. key according to claim 1, which is characterized in that the bottom plate has extended outward to form at least one bending hole
Piece, the side which corresponds at least one bending hole piece protrude outward to form limit ear, and the limit ear is removably
It is inserted at least one bending hole piece, is supported for limiting the keycap in first support plate and second support plate
On.
8. key according to claim 1, which is characterized in that this at least one first support for piece and extend laterally to form backstop
Ear, the position which corresponds to the backstop ear form support chip, when the keycap is located at the non-pressing position, the support chip
The backstop ear is supported for limit first support plate relative to the bottom plate and continue to pivot downwards.
9. key according to claim 1, which is characterized in that first bottom edge is in evagination arc.
10. key according to claim 1, which is characterized in that first support plate and second support plate by
Made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322424.4A CN109524265B (en) | 2018-11-08 | 2018-11-08 | Push-button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322424.4A CN109524265B (en) | 2018-11-08 | 2018-11-08 | Push-button |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109524265A true CN109524265A (en) | 2019-03-26 |
| CN109524265B CN109524265B (en) | 2020-08-18 |
Family
ID=65773861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811322424.4A Active CN109524265B (en) | 2018-11-08 | 2018-11-08 | Push-button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109524265B (en) |
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| CN112748808A (en) * | 2019-10-31 | 2021-05-04 | 群光电子股份有限公司 | Keyboard device |
| CN113782366A (en) * | 2021-09-14 | 2021-12-10 | 歌尔科技有限公司 | Button protection self-lock device and electronic equipment |
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| CN113782366A (en) * | 2021-09-14 | 2021-12-10 | 歌尔科技有限公司 | Button protection self-lock device and electronic equipment |
| CN113782366B (en) * | 2021-09-14 | 2023-10-27 | 歌尔科技有限公司 | Key protection self-locking device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109524265B (en) | 2020-08-18 |
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