CN107154320A - Keyboard - Google Patents
Keyboard Download PDFInfo
- Publication number
- CN107154320A CN107154320A CN201610118040.5A CN201610118040A CN107154320A CN 107154320 A CN107154320 A CN 107154320A CN 201610118040 A CN201610118040 A CN 201610118040A CN 107154320 A CN107154320 A CN 107154320A
- Authority
- CN
- China
- Prior art keywords
- keyboard
- covering pad
- wiring board
- circuit
- line
- 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.)
- Withdrawn
Links
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
- H01H13/70—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
- H01H13/78—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 characterised by the contacts or the contact sites
- H01H13/807—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 characterised by the contacts or the contact sites characterised by the spatial arrangement of the contact sites, e.g. superimposed sites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention is on a kind of keyboard, including multiple button caps and film switch circuit.Film switch circuit is arranged at the lower section of multiple button caps, and it includes wiring board and the covering pad of multiple separation.Wiring board includes corresponding respectively to the multiple first line and multiple second circuits of multiple button caps, and multiple first line and multiple second circuits are arranged on wiring board and separated each other.A gap is there are between each first line and the second corresponding circuit.The covering pad of multiple separation is arranged on wiring board, and covering pad is corresponding to a button cap and each covering pad covers corresponding gap for each.And each covering pad is arranged at the top in the gap with a triggering circuit.Wherein the plurality of first line, the plurality of second circuit and the plurality of triggering circuit are sealed between the plurality of covering pad and the wiring board respectively, and can completely cut off a foreign liquid.The present invention can not only reduce keyboard thickness, and can also improve keyboard presses feel.
Description
Technical field
The present invention is on a kind of keyboard, in particular to a kind of keyboard using scissor connecting element.
Background technology
Common computer peripheral equipment input unit includes mouse, keyboard and trace ball etc., and wherein keyboard can be direct
Key in word and symbol gives computer, therefore quite paid attention to by user and input unit manufacturer.
Next the framework of existing keyboard is illustrated.Referring to Fig. 1, it shows for the structural profile side view of existing keyboard
It is intended to.Existing keyboard 1 includes multiple button caps 11, multiple scissor connecting elements 12, multiple elastic caoutchoucs
Body 13, film switch circuit 14 and bottom plate 15, and bottom plate 15 to carry multiple button caps 11, it is multiple
Scissor connecting element 12, multiple elastic rubbery bodies 13 and film switch circuit 14.Wherein scissor company
Element 12 is connect to connecting bottom board 15 and corresponding button cap 11.
Film switch circuit 14 includes upper wiring board 141, separation layer 142 and lower wiring board 143.Reach the standard grade
Road plate 141 has multiple upper contacts 1411, and separation layer 142 has multiple separation layer perforates 1421.It is offline
Road plate 143 has multiple lower contacts 1431 corresponding to multiple upper contacts 1411, when film switch circuit 14
When being triggered, stretch into corresponding separation layer perforate 1421 corresponding to the upper contact 1411 at the place of being triggered and with
Corresponding lower contact 1431 is contacted.Wherein, upper contact 1411, separation layer perforate 1421 and lower contact
1431 are collectively forming a press-button contact, and upper wiring board 141, separation layer 142 and lower wiring board 143
Area is identical.Multiple elastic rubbery bodies 13 are arranged on film switch circuit 14 and an elastic rubbery body 13
Corresponding to a press-button contact, when elastic rubbery body 13 is touched, elastic rubbery body 13 deform upon and
Press press-button contact corresponding in film switch circuit 14 and produce push button signalling.
Multiple scissor connecting elements 12 are located between bottom plate 15 and multiple button caps 11 and connect the two respectively.
Each scissor connecting element 12 includes the first framework 121 and the second framework 122.First framework 121
First end is connected to button cap 11, and the second end of the first framework 121 is then connected to bottom plate 15, elastic caoutchouc
Body 13 is surround by scissor connecting element 12.
Next the operation situation that existing keyboard 1 is pressed by user is illustrated.In Fig. 1, when user presses
During button cap 11, the touched stress of button cap 11 and pushing against corresponding scissor connecting element 12 makes it
Motion, therefore its button cap 11 can move down relative to bottom plate 15 and press corresponding elastic rubbery body 13.
Now, elastic rubbery body 13 deforms upon and presses film switch circuit 14 to trigger film switch circuit 14
Press-button contact so that film switch circuit 14 exports corresponding push button signalling.And when user stops touching
Press button cap 11 when, the no longer stress of button cap 11 and stop pressing elastic rubbery body 13 so that elastic caoutchouc
Body 13 restores to the original state in response to its elasticity, while provide elastic restoring force up, button cap 11 therefore and
It is pushed back the position before being touched.
Development trend due to recent various electronic installations and its peripheral unit is is easy to take with frivolous profile
Band, therefore the computer peripheral equipment such as keyboard input unit also must be lightening.However, pursuing the lightening mistake of volume
Cheng Zhong, the moveable distance (being defined as stroke) of button cap is necessarily reduced, and this causes pressing for keyboard
Feel is not good.
Accordingly, it would be desirable to a kind of keyboard for having low thickness concurrently and pressing feel.
The content of the invention
The technical problem to be solved in the present invention is that there is provided one kind for deficiencies of the prior art
Low thickness can be had concurrently and the keyboard of feel is pressed.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of keyboard, including multiple buttons
Cap and film switch circuit, the film switch circuit are arranged at the lower section of the plurality of button cap, to by this
Button cap triggers and exports a corresponding push button signalling, and the film switch circuit includes wiring board and multiple
The covering pad of separation, the wiring board includes multiple first line and multiple second circuits, the plurality of First Line
Road is arranged on the wiring board, and each first line corresponds to the button cap；The plurality of second circuit
It is arranged on the wiring board and is separated with the plurality of first line, each second circuit corresponds to the button
Cap；Wherein, it there are a gap between each first line and corresponding second circuit；It is the plurality of
The covering pad of separation is arranged on the wiring board, and each covering pad correspond to the button cap and it is each should
One gap of covering pad covering, and each covering pad have a triggering circuit, and the triggering circuit is arranged at
The top in the gap；Wherein the plurality of first line, the plurality of second circuit and the plurality of triggering circuit point
It is not sealed between the plurality of covering pad and the wiring board, and a foreign liquid can be completely cut off.
It is preferred that the keyboard also includes multiple trigger elements, the plurality of trigger element is arranged at the plurality of button
Between cap and the plurality of covering pad, the corresponding covering pad is pushed against to be supported by the button cap；Wherein
When the covering pad is pushed against, the corresponding triggering circuit respectively with the corresponding first line and phase
Corresponding second wiring circuit contact, and turn on the corresponding first line and corresponding second circuit.
It is preferred that the trigger element is elastic rubbery body.
It is preferred that the trigger element is metal clips.
It is preferred that the keyboard also includes multiple viscoses, the viscose is arranged on the covering pad, should to combine
Multiple covering pads and the wiring board.
It is preferred that the wiring board or the plurality of covering pad are with made by PET material.
It is preferred that each first line and the shape of corresponding second circuit it is mutually staggered with
Form the gap.
It is preferred that the wiring board also includes multiple insulating barriers, the plurality of insulating barrier is arranged at the plurality of First Line
On road and the plurality of second circuit, to avoid the plurality of first line and the plurality of second circuit exposed.
It is preferred that the button cap includes pressing portion and marginal ridge portion, the portion of pressing is revealed in outside the keyboard；
The marginal ridge portion presses portion and is down extended by the portion of pressing and formed around this；Wherein, when the button cap is touched
When pressing and moving down, the marginal ridge portion is contacted with the wiring board, and the marginal ridge portion is around the corresponding covering
Pad makes have an another gap between the marginal ridge portion and the covering pad without being contacted with the covering pad.
Include the thin film switch electricity collectively constituted by the covering pad of multiple separation with wiring board in keyboard of the present invention
Road, and the covering pad of each separation corresponds to a button cap.With the film switch circuit of existing three-layer type
Compare, film switch circuit of the invention only has the structure of two layers of covering pad and wiring board, its thickness is smaller.
Moreover, covering pad is not intactly covered on wiring board, it is to be arranged at wiring board in individually separated mode
On.Therefore, when user presses button cap, covering pad will not stop the movement in the marginal ridge portion of button cap,
Marginal ridge portion can be made to stretch between the covering pad of multiple separation, and there is another gap between marginal ridge portion and covering pad.
Thus, the present invention collectively constitutes the structure of film switch circuit using the covering pad of separation with wiring board, may be used also
Increase the shift motion of button cap, improve keyboard presses feel.
Brief description of the drawings
Fig. 1 is the structural profile schematic side view of existing keyboard.
Fig. 2 is structural profile schematic side view of the keyboard of the present invention in a preferred embodiment.
Fig. 3 is structural profile side view signal of the film switch circuit of keyboard of the present invention in a preferred embodiment
Figure.
Fig. 4 is that partial structurtes of the film switch circuit of keyboard of the present invention in a preferred embodiment overlook signal
Figure.
Fig. 5 is manufacturing flow chart of the film switch circuit of keyboard of the present invention in a preferred embodiment.
Embodiment
The present invention provide it is a kind of give the keyboard that user well presses feel, and can maintain frivolous profile,
To solve the problem of prior art is present.It is keyboard of the present invention in one please refer to Fig. 2 and Fig. 3, Fig. 2
Structural profile schematic side view in preferred embodiment, and Fig. 3 for keyboard of the present invention film switch circuit in
Structural profile schematic side view in one preferred embodiment.Keyboard 2 includes multiple button caps 21, multiple scissors
Formula connecting element 22, multiple trigger elements 23, film switch circuit 24 and bottom plate 25, thin film switch electricity
Road 24 is arranged at the lower section of multiple button caps 21, and it can be triggered by any button cap 21 and export corresponding
Push button signalling.Covering pad 242 of the film switch circuit 24 including wiring board 241 and multiple separation, and line
Road plate 241 includes multiple first line 2411, multiple second circuits 2412 and multiple insulating barriers 2413,
Multiple first line 2411 are arranged on wiring board 241, and each first line 2411 is pressed corresponding to one
Keycap 21.Multiple second circuits 2412 be arranged on wiring board 241 and every one second circuit 2412 with it is relative
The first line 2411 answered is separated, and every one second circuit 2412 also corresponds to a button cap 21.Wherein,
A gap g1 is there are between each first line 2411 and the second corresponding circuit 2412.And it is multiple
Insulating barrier 2413 is arranged on multiple first line 2411 and multiple second circuits 2412, and it can avoid many
Individual first line 2411 and multiple second circuits 2412 it is exposed and provide insulation effect.
Preferably implement in one for the film switch circuit of keyboard of the present invention please refer to Fig. 3 and Fig. 4, Fig. 4
Partial structurtes schematic top plan view in example.The covering pad 242 of multiple separation is arranged on wiring board 241, and
Each covering pad 242 corresponds to a button cap 21 and each covering pad 242 covers a gap g1.Often
One covering pad 242 has a triggering circuit 2421, and triggering circuit 2421 is arranged at corresponding gap g1's
Top, wherein, the shape of each first line 2411 and the second corresponding circuit 2412 makes its mutual
Stagger to form gap g1, as shown in Figure 4.In this preferred embodiment, wiring board 241 and multiple cover
At least one of Cover Gasket 242 is with made by PET material.
Specifically have two, first, keyboard 2 of the present invention further includes multiple viscoses 26, each viscose 26
Corresponding to a covering pad 242, multiple viscoses 26 are respectively arranged on corresponding covering pad 242, to tie
Close multiple covering pads 242 and wiring board 241.Second, multiple first line 2411, multiple second circuits
2412 and it is multiple triggering circuit 2421 be sealed in respectively it is multiple covering pads 242 and wiring board 241 between,
And foreign liquid (such as water, beverage) can be completely cut off and entered inside film switch circuit 24, that is, thin film switch
Circuit 24 has water-proof function.
Referring to Fig. 2 and Fig. 3, each trigger element 23 corresponds to a button cap 21 and one
Pad 242 is covered, multiple trigger elements 23 are arranged at corresponding multiple button caps 21 and the plurality of covering pad
Between, it can be supported by button cap 21 and push against corresponding covering pad 242, to trigger film switch circuit 24.
As for button cap 21, each button cap 21 includes pressing portion 211 and marginal ridge portion 212, presses portion 211 and shows
It is exposed to outside keyboard 2, is used so that user presses.Marginal ridge portion 212 surround and presses portion 211 and by pressing
Portion 211 down extends and formed.In this preferred embodiment, trigger element 23 is elastic rubbery body, and it is only
It is used to illustrate, it is not so limited.In another preferred embodiment, trigger element also can select metal elastic
Piece.
Bottom plate 25 is arranged at the lower section of film switch circuit 24, and it can carry multiple button caps 21, multiple cut
Blade connecting element 22, multiple trigger elements 23 and film switch circuit 24 are thereon.And multiple scissors
Formula connecting element 22 is arranged between button cap 21 and bottom plate 25, and 22 pairs of each scissor connecting element
Ying Yuyi button cap 21, its can moving and be driven in response to corresponding button cap 21, make button cap
21 move up and down with being stabilized.
Next the operation situation that the button of explanation keyboard 2 of the present invention is touched.When user's force presses certain
When pressing portion 211 of one button cap 21, it presses the stress of portion 211 and down pushes against corresponding scissor company
Connecing element 22 makes its start, therefore button cap 21 can move down relative to bottom plate 25 and press corresponding touch
Send out element 23.Now, trigger element 23 deforms upon and presses the covering pad 242 of film switch circuit 24,
So that the triggering circuit 2421 on the covering pad 242 move down and respectively with corresponding first line 2411
And the second corresponding circuit 2412 is contacted, and turn on the first line 2411 and second circuit
2412, to trigger film switch circuit 24, therefore the exportable corresponding push button signalling of film switch circuit 24.
Meanwhile, when being moved down when the button cap 21 is touched, marginal ridge portion 212 is contacted with wiring board 241, and
Marginal ridge portion 212, without being contacted with the covering pad 242, makes marginal ridge portion 212 around corresponding covering pad 242
There is another gap g2 between covering pad 242, as shown in Figure 2.
When user stop press button cap 21 when, the no longer stress of button cap 21 and stop pressing trigger element
23 so that trigger element 23 restores to the original state in response to its elasticity, at the same offer elastic restoring force up give by
Keycap 21, and drive scissor connecting element 22 to make its start, button cap 21 smoothly can be up moved
Position to before not pressing.
Next the manufacture method of the film switch circuit of keyboard 2 of the present invention is illustrated.Referring to Fig. 5, it is this
Manufacturing flow chart of the film switch circuit of invention keyboard in a preferred embodiment.Manufacture film of the present invention is opened
The method on powered-down road comprises the following steps：
Step A：Wiring board is provided, and makes to deposit between each first line of wiring board and every one second circuit
There is gap.
Step B：Multiple covering pads are provided, and each covering pad has a triggering circuit.
Step C：The multiple coverings of overlapping are padded on wiring board, and make triggering circuit positioned at the top in gap.
Wherein, step A includes：
Step A1：In setting multiple first line and multiple second circuits on wiring board respectively, and make each
First line and every one second circuit are mutually staggered and form gap.
Step A2：Respectively at setting an insulating barrier in multiple first line and multiple second circuits.
Wherein, step B includes：
Step B1：Backing plate is provided, and in setting multiple triggering circuits on backing plate.
Step B2：Place sets viscose around multiple triggering circuits.
Step B3：Excluded in backing plate and correspond to the region located around multiple triggering circuits and form multiple cover
Cover Gasket.
Step B4：In setting release liners on viscose.
Wherein, step C includes：
Step C1：Remove the release liners on viscose.
Step C2：Alignment triggering circuit is padded and wiring board in corresponding gap, and overlapping covering.
Step C3：Press the covering pad and the wiring board and form the film switch circuit.
It can form what is collectively constituted by the covering pad 242 of multiple separation with wiring board 241 by above steps
Film switch circuit 24, and the covering pad 242 of each separation corresponds to a button cap 21.With existing three
The film switch circuit of laminar is compared, and film switch circuit 24 of the invention only has covering pad 242 and circuit
The structure that two layers of plate 241, its thickness is smaller.Wherein, covering pad 242 and incomplete it is covered in wiring board
On 241, it is to be arranged in individually separated mode on wiring board 241.Therefore, when user presses button cap
When 21, covering pad 242 will not stop the movement in the marginal ridge portion 212 of button cap 21, can stretch marginal ridge portion 212
Between the covering pad 242 for entering multiple separation, and there is another gap between marginal ridge portion 212 and covering pad 242
g2.In short, collectively constituting film switch circuit in response to the covering pad 242 and wiring board 241 of multiple separation
24 structure, can increase the shift motion of button cap 21.
Specifically, keyboard of the present invention and non-limiting scissor connecting element is used with control button cap
Move up and down, in fact, keyboard of the present invention can in response to different demands using different button caps movement
Element.
Presently preferred embodiments of the present invention is the foregoing is only, scope of the presently claimed invention is not limited to,
Therefore it is all other without departing from the equivalent change or modification that are completed under disclosed spirit, it all should include
In in the scope of patent protection of the present invention.
Claims (9)
1. a kind of keyboard, it is characterised in that including：
Multiple button caps；And
Film switch circuit, is arranged at the lower section of the plurality of button cap, is exported to be triggered by the button cap
A corresponding push button signalling, the film switch circuit includes：
Wiring board, including：
Multiple first line, are arranged on the wiring board, and each first line corresponds to one
The button cap；And
Multiple second circuits, are arranged on the wiring board and are separated with the plurality of first line, often
One second circuit corresponds to the button cap；Wherein, each first line and corresponding second line
A gap is there are between road；And
The covering pad of multiple separation, is arranged on the wiring board, and each covering pad corresponds to one and is somebody's turn to do
Button cap and one gap of each covering pad covering, and each covering pad is with a triggering circuit, should
Triggering circuit is arranged at the top in the gap；Wherein the plurality of first line, the plurality of second circuit and should
Multiple triggering circuits are sealed between the plurality of covering pad and the wiring board respectively.
2. keyboard as claimed in claim 1, it is characterised in that the keyboard also includes multiple trigger elements,
The plurality of trigger element is arranged between the plurality of button cap and the plurality of covering pad, to be supported by the button cap
Push up and push against the corresponding covering pad；Wherein when the covering pad is pushed against, the corresponding triggering circuit
Respectively with the corresponding first line and corresponding second wiring circuit contact, and turn on corresponding be somebody's turn to do
First line and corresponding second circuit.
3. keyboard as claimed in claim 2, it is characterised in that the trigger element is elastic rubbery body.
4. keyboard as claimed in claim 2, it is characterised in that the trigger element is metal clips.
5. keyboard as claimed in claim 1, it is characterised in that the keyboard also includes multiple viscoses, this is sticked
Glue is arranged on the covering pad, to combine the plurality of covering pad and the wiring board.
6. keyboard as claimed in claim 1, it is characterised in that the wiring board or the plurality of covering pad be with
Made by PET material.
7. keyboard as claimed in claim 1, it is characterised in that each first line and corresponding
The shape of second circuit makes it mutually be staggered to form the gap.
8. keyboard as claimed in claim 1, it is characterised in that the wiring board also includes multiple insulating barriers,
The plurality of insulating barrier is arranged on the plurality of first line and the plurality of second circuit, the plurality of to avoid
First line and the plurality of second circuit are exposed.
9. keyboard as claimed in claim 1, it is characterised in that the button cap includes：
Portion is pressed, is revealed in outside the keyboard；And
Marginal ridge portion, presses portion and is down extended by the portion of pressing and formed around this；Wherein, when the button cap
When being touched and moving down, the marginal ridge portion is contacted with the wiring board, and the marginal ridge portion should around corresponding
Covering pad makes have an another gap between the marginal ridge portion and the covering pad without being contacted with the covering pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610118040.5A CN107154320A (en) | 2016-03-02 | 2016-03-02 | Keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610118040.5A CN107154320A (en) | 2016-03-02 | 2016-03-02 | Keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107154320A true CN107154320A (en) | 2017-09-12 |
Family
ID=59791220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610118040.5A Withdrawn CN107154320A (en) | 2016-03-02 | 2016-03-02 | Keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107154320A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397328A (en) * | 2019-08-19 | 2021-02-23 | 致伸科技股份有限公司 | Keyboard with a keyboard body |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2788331Y (en) * | 2005-03-24 | 2006-06-14 | 嘉兴淳祥电子科技有限公司 | Notebook computer keyboard film switch structure |
| CN2862297Y (en) * | 2005-12-13 | 2007-01-24 | 潘耀祥 | Film switch |
| CN1969351A (en) * | 2004-02-20 | 2007-05-23 | 佩利康有限公司 | Switches |
| CN202678174U (en) * | 2012-05-21 | 2013-01-16 | 苏州达方电子有限公司 | Thin film switch and button and keyboard possessing thin film switch |
| US20140369021A1 (en) * | 2013-06-17 | 2014-12-18 | Primax Electronics Ltd. | Luminous keyboard device |
-
2016
- 2016-03-02 CN CN201610118040.5A patent/CN107154320A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1969351A (en) * | 2004-02-20 | 2007-05-23 | 佩利康有限公司 | Switches |
| CN2788331Y (en) * | 2005-03-24 | 2006-06-14 | 嘉兴淳祥电子科技有限公司 | Notebook computer keyboard film switch structure |
| CN2862297Y (en) * | 2005-12-13 | 2007-01-24 | 潘耀祥 | Film switch |
| CN202678174U (en) * | 2012-05-21 | 2013-01-16 | 苏州达方电子有限公司 | Thin film switch and button and keyboard possessing thin film switch |
| US20140369021A1 (en) * | 2013-06-17 | 2014-12-18 | Primax Electronics Ltd. | Luminous keyboard device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397328A (en) * | 2019-08-19 | 2021-02-23 | 致伸科技股份有限公司 | Keyboard with a keyboard body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170912 |