CN104409259B - Key board unit and its button - Google Patents
Key board unit and its button Download PDFInfo
- Publication number
- CN104409259B CN104409259B CN201410619340.2A CN201410619340A CN104409259B CN 104409259 B CN104409259 B CN 104409259B CN 201410619340 A CN201410619340 A CN 201410619340A CN 104409259 B CN104409259 B CN 104409259B
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- CN
- China
- Prior art keywords
- chute
- base plate
- balancing pole
- accommodation space
- 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.)
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Classifications
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- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
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- Push-Button Switches (AREA)
Abstract
The present invention provides a kind of key board unit and its button, and the button includes keycap, base plate, balancing pole and buffer substrate tablet, wherein, base plate has hook part and accommodation space, is formed with chute on hook part, and accommodation space is located at hook part lower section, and with chute mutual conduction；Balancing pole connects keycap and base plate, and to cause that the keycap can move up and down relative to the base plate, when the keycap moves up and down relative to the base plate, the end of balancing pole is in slip in chute；Buffer substrate tablet is arranged at base plate, and with body and extension, wherein extension extends to cover foregoing accommodation space from body, when balancing pole in chute when sliding, the ends contact buffer substrate tablet of balancing pole so that the contact area between the end and base plate is reduced.
Description
Technical field
The present invention is on a kind of key board unit and its button；Especially with respect to a kind of key board unit with noise reduction effect and
Its button.
Background technology
For the use habit of current PC, key board unit is one of indispensable input equipment, and it can use
To be input into word, symbol or numeral.In general, most of the pressing for square keycap (key cap) of button on key board unit
Key, least a portion of button such as blank key (SPACE), enter key (Enter), big keyboard (Caps Lock), shift key (Shift)
Length Deng, its keycap is more than width, and such button is referred to as multiple key.
Known multiple key mechanism includes an at least balancing pole (balance bar) and a plurality of other spare parts, wherein flat
Weighing apparatus bar can improve the structural strength of keycap so that even if user is pressed against the non-middle position of keycap, and multiple key also will not be
Tilt phenomenon is produced during pressing.However, metal balance bar directly and metal base plate contact because between the two contact area compared with
Greatly, when such keycap moves up and down, both mutually collide can produce obvious noise, therefore how effectively design one kind
Key board unit and its button with noise reduction effect, and enough structural strengths are reached, to be applied to the consumer of frequent operation
Electronic product begins to turn into an important problem.
The content of the invention
In order that key board unit and its button in the case where enough structural strengths are reached, and can be with preferably subtracting
Make an uproar effect, the present invention proposes a kind of key board unit and its button with noise reduction effect.
The invention provides a kind of button, it is characterised in that the button includes：
Keycap；
Base plate, with hook part and accommodation space, chute is formed with the hook part, and the accommodation space is located at the hook part
Lower section, and with the chute mutual conduction；
Balancing pole, connects the keycap and the base plate, to cause that the keycap can move up and down relative to the base plate, when the keycap
When being moved up and down relative to the base plate, the end of the balancing pole is in slip in the chute；And
Buffer substrate tablet, is arranged at the base plate, and the buffer substrate tablet has body and extension, and the extension extends to cover from the body
The accommodation space is covered, when the balancing pole in the chute when sliding, the ends contact buffer substrate tablet so that the end and the base plate
Between contact area reduce.
Used as preferred scheme, the base plate has more relative upper surface and lower surface, and the buffer substrate tablet is arranged at the upper table
Face.
Used as preferred scheme, the extension of the buffer substrate tablet does not completely enclose the accommodation space, when the keycap is transported downwards
When dynamic, the end of the balancing pole is movable to the accommodation space.
As preferred scheme, the area of the area more than the accommodation space of the extension.
Used as preferred scheme, the base plate also has relative upper surface and lower surface, and the buffer substrate tablet is arranged at the following table
Face, and the balancing pole the end by the accommodation space and contacting the buffer substrate tablet.
Used as preferred scheme, the extension of the buffer substrate tablet completely encloses the accommodation space, when the keycap is moved downward
When, the end abutment of the balancing pole is in the upper surface of the buffer substrate tablet.
Used as preferred scheme, the buffer substrate tablet is mylar or sheet rubber.
Used as preferred scheme, the buffer substrate tablet has elastomer, it is possible to provide the restoring force that the keycap is moved upwards.
Used as preferred scheme, the buffer substrate tablet is film circuit board, and the film circuit board has switch, when the keycap is downward
During the motion triggers switch, the switch produces Continuity signal.
Used as preferred scheme, the button also includes film circuit board, and the film circuit board is arranged at the buffer substrate tablet and is somebody's turn to do
Between base plate, and cover the accommodation space.
Used as preferred scheme, the hook part is inverted U-shaped structure, and the inverted U-shaped structure has top, left side wall and right side
Wall, the top is located at chute top, and the left side wall is located at the chute left, and the right side wall is located at the chute right, when this
The end of balancing pole is located at when in the chute, and the base plate is with the inverted U-shaped structure jointly around the end of the balancing pole.
Present invention also offers a kind of button, the button includes：
Keycap；
Base plate, with hook part, the first accommodation space and the second accommodation space, be formed with the hook part the first chute and
Second chute, first accommodation space be located at the hook part lower section and with the first chute mutual conduction, second accommodation space
Positioned at the hook part lower section and with the second chute mutual conduction；
First balancing pole and the second balancing pole, connect the keycap and the base plate, to cause that the keycap can be relative to the base plate
Move up and down, when the keycap moves up and down relative to the base plate, the end of first balancing pole is in slip in first chute；
The end of second balancing pole in second chute Nei Hua Dong ﹔ and
Buffer substrate tablet, is arranged at the base plate, and the buffer substrate tablet has body and extension, and the extension extends to cover from the body
First accommodation space and second accommodation space are covered, when first balancing pole and second balancing pole are respectively at first chute
During with being slided in second chute, first balancing pole only contacts the buffer substrate tablet with second balancing pole, and the base plate of getting along well is straight
Contact.
Used as preferred scheme, the hook part is M type structures, and the M type structures have top, left side wall, center pillar and right side
Wall, the top extends first chute and second chute top, and the left side wall is located at the first chute left, center pillar position
Between first chute and second chute, and the right side wall is located at the second chute right；
When the end of first balancing pole is located in first chute, the top, the center pillar, the left side wall and the bottom
Plate is jointly around the end of first balancing pole；
When the end of second balancing pole is located in second chute, the top, the center pillar, the right side wall and the bottom
Plate is jointly around the end of second balancing pole.
Invention further provides a kind of key board unit, the key board unit includes：Button described in any of the above-described of the present invention.
Compared with prior art, the present invention is by the corresponding accommodation space formed below of the hook part in base plate, and will delay
Punching is arranged at base plate to cover the architectural feature of accommodation space so that when the end accommodation of balancing pole is in the chute of hook part
When, buffer substrate tablet can support balancing pole, and avoid balancing pole from directly clashing into base plate, and then be conducive to key board unit of the invention and its
Button reaches the effect of noise abatement.Meanwhile, by the elastic material of buffer substrate tablet, the hook part height on base plate need not be too high, accordingly
Also allow that key board unit of the invention and its button are more lightening.
Brief description of the drawings
Fig. 1 represents the key board unit schematic diagram of one embodiment of the invention.
Fig. 2 represents the button explosive view of one embodiment of the invention.
Fig. 3 A represent the partial schematic diagram after base plate is combined with buffer substrate tablet in Fig. 2.
Fig. 3 B represent the different visual angles schematic diagram of Fig. 3 A.
Fig. 4 represents the sectional view after key combination in Fig. 2.
Fig. 5 represents the button explosive view of another embodiment of the present invention.
Fig. 6 represents the sectional view after key combination in Fig. 5.
Fig. 7 represents the button sectional view of further embodiment of this invention.
【Symbol description】
1~key board unit；22~keycap；
20th, 20 ', 20 "~button；222~joint portion；
24~base plate；26~balancing pole；
24A~upper surface；26L~the first balancing pole；
24B~lower surface；26R~the second balancing pole；
242~hook part；262~first paragraph portion；
2421~top；264~second segment portion；
2422~left side wall, 28~supporting mechanism；
2423~right side wall；282~elastomer；
2424~center pillar；284~supporting member；
242A~chute；30~buffer substrate tablet；
242AL~the first chute；302~body；
242AR~the second chute；304~extension；
244~accommodation space；H~perforate；
244L~the first accommodation space；L~keycap length；
244R~the second accommodation space；W~keycap width.
Specific embodiment
It is that above and other objects of the present invention, feature and advantage can be become apparent, it is cited below particularly to go out preferably to implement
Example, and coordinate institute's accompanying drawings, it is described in detail below.
Fig. 1 is referred to, its schematic diagram of key board unit 1 for representing one embodiment of the invention.As shown in figure 1, key board unit 1 is wrapped
A plurality of buttons 20 are included, wherein these buttons 20 are broadly divided into two major classes：(the length L of keycap is big for square button and multiple key
In width W).
Then Fig. 2 is referred to, its explosive view of button 20 for representing one embodiment of the invention, in for example, Fig. 1 of button 20
Multiple key, but the present invention is not limited, the button in section Example also can be the square button in Fig. 1.Such as Fig. 2 institutes
Show, button 20 mainly includes keycap 22, base plate 24, balancing pole 26, supporting mechanism 28 and buffer substrate tablet 30.
In the present embodiment, base plate 24 is metallic plate (such as iron plate), with relative upper surface 24A and lower surface 24B,
And base plate 24 includes two hook parts 242, protrudes from the upper surface 24A of base plate 24.Additionally, balancing pole 26 has U-shape structure, should
U-shape structure includes first paragraph portion 262 and the second segment portion 264 positioned at the both sides of first paragraph portion 262, and wherein first paragraph portion 262 can
Joint portion 222 with the inner side of keycap 22 is pivotally connected, and each second segment portion 264 end in mobilizable mode through right on base plate 24
Chute 242A (as shown in Figure 3A) on the hook part 242 answered.Consequently, it is possible to when an external force is acted on the keycap 22 of button 20
When, the first paragraph portion 262 of balancing pole 26 can rotate relative to keycap 22, and the second segment portion 264 of balancing pole 26 can be the bottom of relative to
Plate 24 is slided, and is evenly dispersed into the both sides of balancing pole 26 with by external force accordingly, and reach the rigidity of lifting keycap 22 and keep key
The effect of the stabilization of cap 22.
Another Fig. 3 A that combine refer to Fig. 2, wherein, Fig. 3 A are the partial schematic diagram after base plate is combined with buffer substrate tablet in Fig. 2.This reality
The hook part 242 of example is applied for inverted U-shaped structure, the inverted U-shaped structure has top 2421, left side wall 2422 and right side wall 2423, should
Top 2421 is located at chute 242A (as shown in Figure 3A) tops, and the left side wall 2422 is located at chute 242A lefts, and the right side wall
2423 are located at chute 242A rights, so when the end in the second segment portion 264 of foregoing balancing pole 26 is located in chute 242A, bottom
Plate 24 can jointly around the end in the second segment portion 264 of balancing pole 26 with the hook part 242 into inverted U-shaped structure.
Supporting mechanism 28 includes elastomer 282 and supporting member 284, and supporting mechanism 28 is arranged at keycap 22 and base plate
Between 24.In the present embodiment, elastomer 282 is quality of rubber materials, and supporting member 284 forms scissor-shaped (Scissor) structure
And be pivotally connected respectively with keycap 22 and base plate 24, with this, nationality by elastomer 282 and supporting member 284 setting, with cause keycap
22 can move up and down relative to base plate 24.
Buffer substrate tablet 30 is arranged between balancing pole 26 and base plate 24, and in the present embodiment, buffer substrate tablet 30 is elastic material
Thin slice, can be for example mylar (mylar) or sheet rubber, but be not limited, buffer substrate tablet 30 can also be with part
The thin slice of elastic material, can be described further as follows.
The button 20 of the present embodiment more may include film circuit board (not shown), and film circuit board may be disposed at buffer substrate tablet
Between 30 and base plate 24, and with the same shape of buffer substrate tablet 30.When user presses keycap 22, keycap 22 is downward
Motion and can order about the malformation of elastomer 282, so trigger the switch on the film circuit board of the lower section of buffer substrate tablet 30 and
Produce Continuity signal.In an embodiment, foregoing buffer substrate tablet 30 also can be film circuit board.
Please continue to refer to Fig. 2, the buffer substrate tablet 30 of the present embodiment mainly includes a body 302 and two rectangular extensions 304,
Plurality of openings H is formed with body 302, and extension 304 extends from the two opposite sides of body 302 towards center respectively.Wherein,
The shape of perforate H can coordinate the structure design of button 20 so that supporting member 284 is easily by and can be with the upper surface of base plate 24
Multiple holding sections of 24A be combined with each other.
Also referring to Fig. 2, Fig. 3 A and Fig. 3 B, wherein, Fig. 3 B represent the different visual angles schematic diagram of Fig. 3 A (substantially the bottom of from
The lower surface 24B of plate 24 is towards the visual angle of upper surface 24A).In the present embodiment base plate 24 further include two through thereon, lower surface
The accommodation space 244 of 24A and 24B, each of which accommodation space 244 is formed at the lower section of corresponding hook part 242, i.e., as schemed
Shown in 2, each neighbouring corresponding hook part 242 of the essence of accommodation space 244 is set, and each accommodation space 244 and its phase
Corresponding chute 242A mutual conductions.Furthermore, when buffer substrate tablet 30 is arranged at 24 upper surface 24A of base plate, the extension of buffer substrate tablet 30
Portion 304 is respectively adjacent in corresponding hook part 242, and extension 304 area more than accommodation space 244 area, use and cover
Lid accommodation space 244.It is noted that being arranged at the film circuit board (not shown) of the lower section of buffer substrate tablet 30 in the present embodiment also
Accommodation space 244 can be covered.
Then Fig. 4 is referred to, the sectional view after the combination of button 20 that it represents the present embodiment.Because button 20 is by pressing through
Cheng Zhong, balancing pole 26 easily produces noise with the contact impact of base plate 24, therefore the present embodiment is under the hook part 242 of base plate 24
It is square and accommodation space 244 to be covered with the extension 304 of buffer substrate tablet 30 into accommodation space 244, consequently, it is possible to work as balancing pole 26
The end in second segment portion 264 is slidably placed in when in the chute 242A of hook part 242, balancing pole 26 can with it is slow
Extension 304 (there is elastic material) contact of punching 30 so that between the end in the second segment portion 264 of balancing pole 26 and base plate 24
Contact area reduce, thus can effectively reduce noise produced during pressing keys 20.
Further, because the extension 304 of buffer substrate tablet 30 does not completely enclose accommodation space 244, therefore when keycap 22 is downward
During motion, end and the extension 304 in the second segment portion 264 of balancing pole 26 can still be settled towards the direction of the lower surface 24B of base plate 24
(as shown in the direction of arrow in Fig. 4) and accommodation space 244 is entered into, the height of hook part 242 can be also reduced accordingly, and made
The whole height for obtaining button 20 declines, and then is conducive to button 20 and key board unit 1 to meet the requirement of slimming.It is worth mentioning
It is that in the present embodiment, buffer substrate tablet 30 has elastomer, is used to provide the restoring force that keycap 22 is moved upwards, specifically, delays
Itself it is exactly an elastomer when punching 30 is the thin slice of elastic material；And buffer substrate tablet 30 can also be with partial elastic
The thin slice of material, particularly its extension 304 need to have elastic material, i.e., this application in extension as buffer substrate tablet 30 elasticity
Body, the above is only citing and shows it, and in practical application, the setting of the elastomer can change according to button overall structure and do and change
Enter.
After Fig. 5 and Fig. 6 represent that button 20 ' is combined in the explosive view of button 20 ' and Fig. 5 of another embodiment of the present invention respectively
Sectional view (wherein, for the ease of description, subelement label in the present embodiment is along using counter element in an embodiment
Label).Be can be seen that by Fig. 5 and Fig. 6, the button 20 ' of the present embodiment compared to previous embodiment button 20 (as shown in Figure 2) and
Speech is with the longer keycap 22 of length, and it (is only this unitary of signal balancing pole in Fig. 5 that button 20 ' further includes two balancing poles 26
Part, and in Fig. 6 then definition keep left side be first balance stalk 26L, and on the right side be second balance stalk 26R) and two support
Mechanism 28, likewise, each balancing pole 26 includes first paragraph portion 262 and the second segment portion positioned at the both sides of first paragraph portion 262
264, and each supporting mechanism 28 includes elastomer 282 and supporting member 284, nationality setting by balancing pole and supporting mechanism accordingly
Putting can be further up to the effect for strengthening the structural strength of keycap 22 and drive keycap 22 to move up and down.
Additionally, in the present embodiment, base plate 24 also includes two hook parts 242, is more respectively formed with each hook part 242
Two chute 242A (only it is to illustrate chute this element in Fig. 5, and it is the first chute 242AL that then definition keeps left side in Fig. 6,
And on the right side be the second chute 242AR), and respectively correspondingly formed below the first chute 242AL and the second chute 242AR
Have two accommodation spaces 244 (Fig. 5 is only to illustrate accommodation space this element, and in Fig. 6 then definition keep left side for first is accommodating
Space 244L, and on the right side be the second accommodation space 244R), wherein the first accommodation space 244L, the second accommodation space 244R
With the first chute 242AL, the second chute 242AR accordingly mutual conduction.Separately be can be seen that by Fig. 5 and Fig. 6, it is every in the present embodiment
One hook part 242 is M type structures, and the M type structures have top 2421, left side wall 2422, center pillar 2424 and right side wall 2423, should
Top 2421 extends the first chute 242A and the second chute 242A tops, and it is left that the left side wall 2422 is located at the first chute 242AL
Side, the center pillar 2424 is located between the first chute 242AL and the second chute 242AR, and the right side wall 2423 is located at the second chute
242AR rights.When the first balancing pole 26L end be located at the first chute 242AL in when, the top 2421, the center pillar 2424, this
Left side wall 2422 is with base plate 24 jointly around the end of the first balancing pole 26L；Slided when the end of the second balancing pole 26R is located at second
When in groove 242A, the top 2421, the center pillar 2424, the right side wall 2423 are with base plate 24 jointly around the second balancing pole 26R's
End.Specifically, in the present embodiment, the area of the extension 304 of buffer substrate tablet 30 is more than the first accommodation space
The gross area of 244L and the second accommodation space 244R, and can simultaneously cover the first accommodation space 244L, the second accommodation space 244R.
By said structure feature, when the first balancing pole 26L and the second balancing pole 26R respectively at the first chute 242AL and
When sliding in the second chute 242AR, the first balancing pole 26L only contacts buffer substrate tablet 30 with the second balancing pole 26R, without and base plate
24 directly contacts, therefore the button 20 ' of the present embodiment also can reach to improve and the effect of noise occur during it is pressed, and it is each flat
Weighing apparatus bar 26 can be settled along the direction of arrow in Fig. 6 with the extension 304 of buffer substrate tablet 30 towards the lower surface 24B of base plate 24, so as to
It is enough effectively to reduce the whole height of button 20 ', and be conducive to button 20 ' and key board unit 1 to meet the requirement of slimming.
Fig. 7 represents the button 20 of further embodiment of this invention " sectional view.Specifically, the button of the present embodiment
20 " it is that buffer substrate tablet 30 is arranged under base plate 24 compared to the Main Differences of the button 20 (as shown in Figure 2) of previous embodiment
Surface 24B, to cover the accommodation space 244 of base plate 24.As seen from Figure 7, when the end in the second segment portion 264 of balancing pole 26 is with can
When the mode of slip is placed in the chute 242A of hook part 242 and keycap 22 is moved downward, the end of balancing pole 26 can pass through
Accommodation space 244 simultaneously contacts buffer substrate tablet 30, without directly clashing into base plate 24, therefore, it is possible to effectively reduce pressing keys 20 " when
Produced noise.
Further, since accommodation space 244 can allow balancing pole 26 towards the lower surface 24B of base plate 24 and the side of buffer substrate tablet 30
To sedimentation (such as Fig. 7 directions of arrow), so can also reduce the height of hook part 242, and cause button 20 " whole height under
Drop, so be conducive to button 20 " and key board unit 1 meet the requirement of slimming.In the present embodiment, the extension of buffer substrate tablet 30
Completely enclosed accommodation space 244, when keycap 22 is moved downward, the end abutment of balancing pole 26 is in the upper surface of buffer substrate tablet 30.In
In the present embodiment, buffer substrate tablet 30 is, for example, film circuit board.
In sum, the present invention is by the corresponding accommodation space formed below of the hook part in base plate, and buffer substrate tablet is set
It is placed in base plate to cover the architectural feature of accommodation space so that when the end accommodation of balancing pole is in the chute of hook part when, delay
Punching can support balancing pole, and avoid balancing pole from directly clashing into base plate, and then be conducive to key board unit of the invention and its button
Reach the effect of noise abatement.Meanwhile, nationality by buffer substrate tablet elastic material, on base plate hook part height need not be too high, also make accordingly
Obtain key board unit of the invention and its button can be more lightening.
The present invention is been described by by above-mentioned related embodiment, but above-described embodiment is only to implement example of the invention.
It must be noted that, the embodiment for having disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from it is of the invention spirit and
In the range of the change made and retouching, belong to scope of patent protection of the invention.
Claims (17)
1. a kind of button, it is characterised in that the button includes：
Keycap；
Base plate, with hook part and accommodation space, chute is formed with the hook part, and the accommodation space is located at hook part lower section
And extend from the chute；
Balancing pole, connects the keycap and the base plate, to cause that the keycap can move up and down relative to the base plate, when the keycap is relative
When the base plate moves up and down, the end of the balancing pole is in slip, bearing of trend of the accommodation space from the chute in the chute
The in opposite direction of the chute is inserted with the end；And
Buffer substrate tablet, is arranged at the base plate, and the buffer substrate tablet has body and extension, and the extension extends to cover this from the body
Accommodation space, when the balancing pole in the chute when sliding, the ends contact buffer substrate tablet so that between the end and the base plate
Contact area reduce, the buffer substrate tablet be film circuit board.
2. the button as described in claim 1, it is characterised in that the base plate also has relative upper surface and lower surface, this delays
Punching is arranged at the upper surface.
3. the button as described in claim 2, it is characterised in that the extension of the buffer substrate tablet does not completely enclose the accommodating sky
Between, when the keycap is moved downward, the end of the balancing pole is movable to the accommodation space.
4. the button as described in claim 1, it is characterised in that area of the area of the extension more than the accommodation space.
5. the button as described in claim 1, it is characterised in that the base plate also has relative upper surface and lower surface, this delays
Punching is arranged at the lower surface, and the end of the balancing pole passes through the accommodation space and contacts the buffer substrate tablet.
6. the button as described in claim 5, it is characterised in that the extension of the buffer substrate tablet completely encloses the accommodation space,
When the keycap is moved downward, the end abutment of the balancing pole is in the upper surface of the buffer substrate tablet.
7. the button as described in claim 1, it is characterised in that the buffer substrate tablet is mylar or sheet rubber.
8. the button as described in claim 1, it is characterised in that the buffer substrate tablet has elastomer, it is possible to provide the keycap is transported upwards
Dynamic restoring force.
9. the button as described in claim 1, it is characterised in that the film circuit board has switch, when the keycap is transported downwards
During dynamic triggering switch, the switch produces Continuity signal.
10. the button as described in claim 1, it is characterised in that the hook part is inverted U-shaped structure, the inverted U-shaped structure has
Top, left side wall and right side wall, the top are located at chute top, and the left side wall is located at the chute left, and right side wall position
In the chute right, when the end of the balancing pole is located in the chute, the base plate is put down around this jointly with the inverted U-shaped structure
The end of weighing apparatus bar.
11. button according to claim 1, it is characterised in that the balancing pole include first paragraph portion and positioned at this first
The second segment portion of section portion both sides, wherein the first paragraph portion are pivotally connected with the joint portion on the inside of the keycap, and the second segment portion has upper end
Portion and bottom, the upper end are connected with the first paragraph portion, and the bottom in each second segment portion passes through this in mobilizable mode
The chute on base plate on corresponding hook part, direction of the accommodation space from the chute towards the upper end extends.
12. buttons according to claim 1, it is characterised in that the base plate also has relative upper surface and lower surface, should
Accommodation space is set through the upper surface and the lower surface, and neighbouring corresponding hook part, and the accommodation space is on which floor plate
Expanded range exceed hook part drop shadow spread on which floor plate.
13. buttons according to claim 1, it is characterised in that the balancing pole includes first paragraph portion and positioned at the first paragraph
The second segment portion of portion both sides, wherein the first paragraph portion are pivotally connected with the joint portion on the inside of the keycap, and the second segment portion has upper end
And bottom, the upper end is connected with the first paragraph portion, and the bottom in each second segment portion passes through the bottom in mobilizable mode
Chute on plate on corresponding hook part.
14. a kind of buttons, it is characterised in that the button includes：
Keycap；
Base plate, with hook part, the first accommodation space and the second accommodation space, is formed with the first chute and second on the hook part
Chute, first accommodation space is located at hook part lower section and extends from first chute, and second accommodation space is positioned at the card
Hook part lower section and with the second chute mutual conduction；
First balancing pole and the second balancing pole, connect the keycap and the base plate, to cause that the keycap can be upper and lower relative to the base plate
Motion, when the keycap moves up and down relative to the base plate, the end of first balancing pole in slip in first chute, and the
One accommodation space inserts the in opposite direction of first chute from the bearing of trend of the chute with the end；The end of second balancing pole
Portion in second chute Nei Hua Dong ﹔ and
Buffer substrate tablet, is arranged at the base plate, and the buffer substrate tablet has body and extension, and the extension extends to cover this from the body
First accommodation space and second accommodation space, when first balancing pole is with second balancing pole is respectively at first chute and is somebody's turn to do
When being slided in the second chute, first balancing pole only contacts the buffer substrate tablet with second balancing pole, and the base plate of getting along well directly connects
Touch, the buffer substrate tablet is film circuit board.
15. button as described in claim 14, it is characterised in that the hook part is M type structures, the M types structure has top
Portion, left side wall, center pillar and right side wall, the top extend first chute and second chute top, and the left side wall is located at should
First chute left, the center pillar is located between first chute and second chute, and the right side wall is located at second chute right side
Side；
When the end of first balancing pole is located in first chute, the top, the center pillar, the left side wall and the base plate are total to
With around the end of first balancing pole；
When the end of second balancing pole is located in second chute, the top, the center pillar, the right side wall and the base plate are total to
With around the end of second balancing pole.
16. buttons according to claim 14, it is characterised in that first balancing pole includes first paragraph portion and positioned at this
The second segment portion of first paragraph portion both sides, wherein the first paragraph portion are pivotally connected with the joint portion on the inside of the keycap, and the second segment portion has
Upper and lower end, the upper end is connected with the first paragraph portion, and the bottom in each second segment portion is worn in mobilizable mode
Cross first chute on corresponding hook part on the base plate.
17. a kind of key board units, it is characterised in that the key board unit includes：
A plurality of buttons as any one of claim 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410619340.2A CN104409259B (en) | 2014-11-05 | 2014-11-05 | Key board unit and its button |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410619340.2A CN104409259B (en) | 2014-11-05 | 2014-11-05 | Key board unit and its button |
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| CN104409259A CN104409259A (en) | 2015-03-11 |
| CN104409259B true CN104409259B (en) | 2017-06-20 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI597751B (en) | 2015-03-27 | 2017-09-01 | 達方電子股份有限公司 | Key switch |
| CN105070564A (en) * | 2015-07-29 | 2015-11-18 | 苏州达方电子有限公司 | Key and keyboard |
| CN205508686U (en) | 2015-10-23 | 2016-08-24 | 东莞市凯华电子有限公司 | Noiseless key switch |
| CN106024472B (en) * | 2016-06-22 | 2018-08-31 | 苏州达方电子有限公司 | Press-key structure and keyboard |
| US10950394B2 (en) | 2017-06-01 | 2021-03-16 | Darfon Electronics Corp. | Key switch with noise reduction capability |
| US10373779B2 (en) | 2017-06-01 | 2019-08-06 | Darfon Electronics Corp. | Key switch with noise reduction capability and assembly method thereof |
| CN109559924A (en) * | 2017-09-25 | 2019-04-02 | 光宝电子(广州)有限公司 | Key module |
| CN109859964B (en) * | 2017-11-30 | 2020-11-03 | 群光电子(苏州)有限公司 | Key device |
| CN110391104A (en) * | 2018-04-20 | 2019-10-29 | 致伸科技股份有限公司 | Key board unit and its manufacturing method |
| CN109243894A (en) * | 2018-08-30 | 2019-01-18 | 苏州达方电子有限公司 | Key and keyboard |
| CN109411281B (en) * | 2018-11-27 | 2021-01-05 | 苏州达方电子有限公司 | Key with noise reduction effect and keyboard thereof |
| CN110703925B (en) * | 2019-04-25 | 2024-05-07 | 光宝电子(广州)有限公司 | Mouse with mouse body |
| CN111710547A (en) | 2019-09-21 | 2020-09-25 | 光宝电子(广州)有限公司 | Key structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5144103A (en) * | 1990-03-09 | 1992-09-01 | Canon Kabushiki Kaisha | Key switch |
| CN2350854Y (en) * | 1998-06-09 | 1999-11-24 | 明碁电脑股份有限公司 | Key |
| JP5030724B2 (en) * | 2007-09-20 | 2012-09-19 | 富士通コンポーネント株式会社 | Key switch device and keyboard |
| CN102376468B (en) * | 2010-08-27 | 2014-07-16 | 光宝电子(广州)有限公司 | Key device |
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Inventor after: Cai Baiwei Inventor after: Chen Minghong Inventor after: Chen Yanting Inventor before: Cai Baiwei |
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