CN109216078A - Press-key structure, key and terminal device - Google Patents
Press-key structure, key and terminal device Download PDFInfo
- Publication number
- CN109216078A CN109216078A CN201811151124.4A CN201811151124A CN109216078A CN 109216078 A CN109216078 A CN 109216078A CN 201811151124 A CN201811151124 A CN 201811151124A CN 109216078 A CN109216078 A CN 109216078A
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- China
- Prior art keywords
- key
- button cap
- supporting layer
- cap
- press
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- 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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- 239000000463 material Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 238000007639 printing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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
- H01H13/14—Operating parts, e.g. push-button
-
- 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
Landscapes
- Push-Button Switches (AREA)
Abstract
The disclosure is directed to press-key structure, key and terminal devices.The press-key structure includes: the printed circuit board of key cap layers, supporting layer and setting button；Wherein, key cap layers include at least two button caps and the cantilever beam for connecting button cap；Supporting layer includes the engraved structure for placing key-press cap；Supporting layer is arranged between key cap layers and printed circuit board；Supporting layer is used to support cantilever beam；Button cap is located at keys upwards, and the position of button cap and the position of key are arranged in a one-to-one correspondence, and the quantity of key and the quantity of button cap are identical.By the way that supporting layer is arranged, the supporting role to cantilever beam can be played, so that user, in pressing keys cap, the deformation quantity of cantilever beam becomes smaller；The length of the overarm arm of each button cap can also be shortened indirectly, to enhance the rebound dynamics of button cap after key is pressed, button cap is reduced and be stressed directly, to extend the service life of key, and improve pressing feel, effectively improve user experience.
Description
Technical field
This disclosure relates to technical field of key more particularly to press-key structure, key and terminal device.
Background technique
With the development of terminal equipment in communication technology, the electronic equipments such as terminal device such as mobile phone, tablet computer, smartwatch
Utilization rate gradually increases, the control in order to facilitate user to terminal device, the meeting multiple keys of equipment in terminal device, to use
Family is by pressing control of the key realization to terminal device.
Summary of the invention
To overcome the problems in correlation technique, the embodiment of the present disclosure provides press-key structure, key and terminal device.Institute
It is as follows to state technical solution:
According to the first aspect of the embodiments of the present disclosure, a kind of press-key structure is provided, comprising: key cap layers, supporting layer and set
Set the printed circuit board of key；
The key cap layers include at least two button caps and the cantilever beam for connecting the button cap；
The supporting layer includes the engraved structure for placing the button cap；
The supporting layer is arranged between the key cap layers and the printed circuit board；The supporting layer is used to support institute
State cantilever beam；
The button cap is located at the keys upwards, and the position of the button cap and the position of the key correspond
Setting, the quantity of the key are identical as the quantity of the button cap.
The technical scheme provided by this disclosed embodiment can include the following benefits: the press-key structure includes: key
The printed circuit board of cap layers, supporting layer and setting button；Wherein, key cap layers include at least two button caps and press for connecting
The cantilever beam of keycap；Supporting layer includes the engraved structure for placing key-press cap；Supporting layer setting is in key cap layers and printing electricity
Between the plate of road；Supporting layer is used to support cantilever beam；Button cap is located at keys upwards, and the position of button cap and the position of key one
One is correspondingly arranged, and the quantity of key and the quantity of button cap are identical.By the way that supporting layer is arranged, the support to cantilever beam can be played
Effect, so that user, in pressing keys cap, the deformation quantity of cantilever beam becomes smaller；The overarm of each button cap can also be shortened indirectly
The length of arm reduces button cap and is stressed directly, to extend to enhance the rebound dynamics of button cap after key is pressed
The service life of key, and pressing feel is improved, effectively improve user experience.
In one embodiment, the supporting layer further include: at least one button cap support portion；
Button cap support zone position corresponding with button cap position to be supported in the supporting layer；It is described
Button cap position to be supported be the button cap edge in be not connected with the position of the cantilever beam.
In one embodiment, the button cap support portion is the bulge-structure that the engraved structure edge is arranged in.
In one embodiment, two button cap support portions are set for each button cap；Each button cap
Connect two cantilever beams；
Two button cap support portions are to the line and two cantilever beams between the supporting point of the button cap
Line between root is vertical, and the root of the cantilever beam is the position that the cantilever beam is connected with button cap.
In one embodiment, the supporting layer is bonded in such a way that gum is pasted with the printed circuit board；
Alternatively,
The supporting layer is threadedly coupled with the printed circuit board.
In one embodiment, fixation hole is opened up on the printed circuit board, for by fastener that the printing is electric
Road plate is fixed on exterior object；
Position corresponding with the fixation hole on the printed circuit board opens up first through hole in the supporting layer.
It in one embodiment, further include sound hole on the printed circuit board；
Position corresponding with the sound hole on the printed circuit board opens up the second through-hole in the supporting layer.
In one embodiment, the material of the supporting layer includes: foam.
According to the second aspect of an embodiment of the present disclosure, a kind of key is provided, comprising:
Cover, center and the press-key structure as described in any of the above-described embodiment；
The press-key structure is arranged in the center；
Button cap putting hole is offered on the cover, the cover lid is located above the center, the button cap position
In the button cap putting hole.
According to the third aspect of an embodiment of the present disclosure, a kind of terminal device is provided, including as described in above-mentioned any embodiment
Key.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is the structural schematic diagram according to the press-key structure shown in an exemplary embodiment one.
Fig. 2 is the structural schematic diagram according to the press-key structure shown in an exemplary embodiment two.
Fig. 3 is the attachment structure schematic diagram that supporting layer 12 Yu key cap layers 11 are shown according to an exemplary embodiment.
Fig. 4 is the structural schematic diagram according to the press-key structure shown in an exemplary embodiment three.
Fig. 5 is the structural schematic diagram according to the press-key structure shown in an exemplary embodiment four.
Fig. 6 is the structural schematic diagram according to the key shown in an exemplary embodiment one.
Fig. 7 is the structural schematic diagram according to the key shown in an exemplary embodiment two.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Currently, the product appearance of terminal device be become more and more succinct and and terminal device itself also towards lightening
Trend development can be heavily compressed so as to cause structure design space.Especially in the design of key, because of the limitation in space,
Cantilever beam quantity for connecting button cap in key can be compressed, insufficient so as to cause button cap support degree, and then influence
Key press service life and feel.
In order to solve the above-mentioned technical problem, the disclosure proposes a kind of press-key structure.
Fig. 1 is the structural schematic diagram of press-key structure shown according to an exemplary embodiment, as shown in Figure 1, should be by bond
Structure 10 includes: the printed circuit board 13 of key cap layers 11, supporting layer 12 and setting button 131；
Key cap layers 11 include at least two button caps 111 and the cantilever beam 112 for connecting button cap 111.
Supporting layer 12 includes the engraved structure for placing key-press cap 111.
Supporting layer 12 is arranged between key cap layers 11 and printed circuit board 13, and supporting layer 12 is used to support cantilever beam 112.
Button cap 111 is located at 131 top of key, and the position of button cap 111 and the position of key 131 correspond and set
It sets, the quantity of key 131 is identical as the quantity of button cap 111.
Since current most button cap 111 is connected by cantilever beam 112, but cantilever beam because of space constraints sometimes
112 quantity are very little or do not have, and lead to the underbraced of button cap 111, influence feel and service life.By in cantilever in the disclosure
Beam 112 is lower to be arranged supporting layer 12, which can play the supporting role to cantilever beam 112, so that user is by pressing
When keycap 111, the deformation quantity of cantilever beam 112 becomes smaller；The length of the cantilever beam 112 of each button cap 111 can also be shortened indirectly,
To enhance the rebound dynamics of button cap 111 after key is pressed, reduce button cap 111 and be stressed directly, thus extend by
The service life of key, and pressing feel is improved, effectively improve user experience.
Exemplary, the material of above-mentioned supporting layer 12 may include: foam.Certainly, in practical applications, supporting layer 12 can also
To use other materials, the disclosure is not limited it.
The technical scheme provided by this disclosed embodiment can include the following benefits: the press-key structure includes: key
The printed circuit board of cap layers, supporting layer and setting button；Wherein, key cap layers include at least two button caps and press for connecting
The cantilever beam of keycap；Supporting layer includes the engraved structure for placing key-press cap；Supporting layer setting is in key cap layers and printing electricity
Between the plate of road；Supporting layer is used to support cantilever beam；Button cap is located at keys upwards, and the position of button cap and the position of key one
One is correspondingly arranged, and the quantity of key and the quantity of button cap are identical.By the way that supporting layer is arranged, the support to cantilever beam can be played
Effect, so that user, in pressing keys cap, the deformation quantity of cantilever beam becomes smaller；The overarm of each button cap can also be shortened indirectly
The length of arm reduces button cap and is stressed directly, to extend to enhance the rebound dynamics of button cap after key is pressed
The service life of key, and pressing feel is improved, effectively improve user experience.
In one embodiment, as shown in Fig. 2, supporting layer 12 further include: at least one button cap support portion 121.
Button cap support portion 121 is located at position corresponding with the position to be supported of button cap 111 in supporting layer 12；Button cap
111 positions to be supported are the position that cantilever beam 112 is not connected in the edge of button cap 111.
It is exemplary, as shown in Fig. 2, button cap support portion 121 is the bulge-structure that engraved structure edge is arranged in, certainly,
Button cap support portion 121 can also have other structure types and setting position, the disclosure not to add to it in practical applications
With limitation.
Fig. 3 is the attachment structure schematic diagram that supporting layer 12 Yu key cap layers 11 are shown according to an exemplary embodiment, such as Fig. 3
It is shown, by increasing button cap support portion 121 on the supporting layer 12 that (does not have overarm arm position) below each button cap 111,
It can guarantee to have at least one supporting point below button cap 111, can increase in this way and balance is supported to button cap 111, protect
Will not be outer crooked after card key press, but also can guarantee to press for a long time, key will not be to the position of no overarm arm 112
Recess, while press rebound dynamics can be enhanced also to reduce the intensity that key is stressed directly, guarantee the service life of key.
In one embodiment, when for each button cap 111 two button cap support portions 121 of setting；Each button cap
111 two cantilever beams 112 of connection.
Root of two button cap support portions 121 to line and two cantilever beams 112 between the supporting point of button cap 111
Between line it is vertical, the root of cantilever beam 112 is the position that cantilever beam 112 is connected with button cap 111.
Pass through above-mentioned set-up mode, it is ensured that have a supporting point, connecting cantilever at 111 each 90 degree of button cap
The position of beam 112, the place that the root of cantilever beam 112 is connect with button cap 111 are a support for button cap 111
Point, without the position of connecting cantilever beam 112, button cap support portion 121 is a supporting point for button cap 111, in this way, pressing
Keycap 111 just has 4 supporting points, supports balance to button cap 111 so as to further increase.
Certainly in practice, the quantity of cantilever beam 112 and the quantity of button cap support portion 121 may be other numbers
Amount, the disclosure do not limit it.
In order to avoid the supporting layer 12 between printed circuit board 13 and key cap layers 11 is subjected to displacement, so as to cause pressing
Keycap 111 good cannot be contacted with key, and in one embodiment, supporting layer 12 is electric with printing in such a way that gum is pasted
Road plate 13 is bonded.
Exemplary, gum can cover entire supporting layer 12 close to the one side of printed circuit board 13, can also cover support
Close to the partial region of the one side of printed circuit board 13, the disclosure does not limit the setting area of gum layer 12.
In one embodiment, supporting layer 12 can also be connected through a screw thread with printed circuit board 13.
Through-hole can be set in the corresponding position of supporting layer 12 and printed circuit board 13 at this time, be sequentially passed through by fastener
The through-hole of supporting layer 12 and printed circuit board 13, to realize the connection of supporting layer 12 Yu printed circuit board 13.
In one embodiment, as shown in figure 4, opening up fixation hole 132 on printed circuit board 13, being used for will by fastener
Printed circuit board 13 is fixed on exterior object；
Position corresponding with the fixation hole 132 on printed circuit board 13 opens up first through hole 122 in supporting layer 12.
When needing for printed circuit board 13 to be fixed on exterior object, at this point it is possible to start on printed circuit board 13
Fixation hole 132, and due to supporting layer 12 be located at printed circuit board 13 on, if in supporting layer 12 with printed circuit
If the corresponding position of fixation hole 132 on plate 13 does not open up first through hole 122, fastener (such as: screw) is being used
When printed circuit board 13 is fixed on exterior object, since 132 supported layer 12 of fixation hole on printed circuit board 13 blocks,
To which the position for corresponding to the fixation hole 132 on printed circuit board 13 in supporting layer 12, therefore, the disclosure can not be quickly found
In, also first through hole 122 can be opened up in position corresponding with the fixation hole 132 on printed circuit board 13 in supporting layer 12, thus
The position that the fixation hole 132 on printed circuit board 13 is corresponded in supporting layer 12 can be quickly found, to carry out printed circuit board
13 fixation.
It in one embodiment, further include the function of radio reception on printed circuit board 13 as discussed above, then such as Fig. 5 institute
Show, further includes sound hole 133 on above-mentioned printed circuit board 13；In supporting layer 12 with the sound hole 133 on printed circuit board 13
Corresponding position opens up the second through-hole 123.
When needing to realize function of radio receiver, by the way that the second through-hole 123 is arranged in supporting layer 12, supporting layer 12 is avoided to block
The firmly sound hole 133 on printed circuit board 13, and the problem of reduce radio reception effect.
Fig. 6 is the structural schematic diagram of key shown according to an exemplary embodiment, as shown in fig. 6, the key includes: face
Lid 21, center 22 and the press-key structure as described in any of the above-described embodiment；
Press-key structure is arranged in center 22；
Button cap putting hole 211 is offered on cover 21, the lid of cover 21 is located above center, and button cap 111 is located at key
In cap putting hole 211.
Further, as shown in Figure 6 and shown in Fig. 7, fixing groove 221 is set in center 22, when carrying out key assembling,
The first through hole 122 of supporting layer 12 can be sequentially passed through by screw, in fixation hole 132 and center 22 on printed circuit board 13
Fixing groove 221 printed circuit board 13 is connected with center 22, then by way of screw threads for fastening then, by button cap
Layer 11 is placed on the corresponding position of the top of supporting layer 12, and then the lid of cover 21 is located on center.
The disclosure also provides a kind of terminal device, including the key as described in above-mentioned any embodiment.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of press-key structure characterized by comprising the printed circuit board of key cap layers, supporting layer and setting button；
The key cap layers include at least two button caps and the cantilever beam for connecting the button cap；
The supporting layer includes the engraved structure for placing the button cap；
The supporting layer is arranged between the key cap layers and the printed circuit board；The supporting layer is used to support described outstanding
Arm beam；
The button cap is located at the keys upwards, and the position of the button cap and the position of the key correspond and set
It sets, the quantity of the key is identical as the quantity of the button cap.
2. press-key structure according to claim 1, which is characterized in that the supporting layer further include: at least one button cap
Support portion；
Button cap support zone position corresponding with button cap position to be supported in the supporting layer；The key
Cap position to be supported be the button cap edge in be not connected with the position of the cantilever beam.
3. press-key structure according to claim 2, which is characterized in that the button cap support portion is to be arranged in the hollow out
The bulge-structure of structural edge.
4. press-key structure according to claim 2, which is characterized in that for each button cap be arranged two described in press
Keycap support portion；Each button cap connects two cantilever beams；
Root of two button cap support portions to line and two cantilever beams between the supporting point of the button cap
Between line it is vertical, the root of the cantilever beam is the position that the cantilever beam is connected with button cap.
5. press-key structure according to claim 1, which is characterized in that the supporting layer gum paste by way of and institute
State printed circuit board fitting；
Alternatively,
The supporting layer is threadedly coupled with the printed circuit board.
6. press-key structure according to claim 1, which is characterized in that open up fixation hole on the printed circuit board, be used for
The printed circuit board is fixed on exterior object by fastener；
Position corresponding with the fixation hole on the printed circuit board opens up first through hole in the supporting layer.
7. press-key structure according to claim 1, which is characterized in that further include sound hole on the printed circuit board；
Position corresponding with the sound hole on the printed circuit board opens up the second through-hole in the supporting layer.
8. press-key structure according to claim 1, which is characterized in that the material of the supporting layer includes: foam.
9. a kind of key characterized by comprising
Cover, center and such as described in any item press-key structures of claim 1-8；
The press-key structure is arranged in the center；
Button cap putting hole is offered on the cover, the cover lid is located above the center, and the button cap is located at institute
It states in button cap putting hole.
10. a kind of terminal device, which is characterized in that including key as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151124.4A CN109216078B (en) | 2018-09-29 | 2018-09-29 | Key structure, key and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811151124.4A CN109216078B (en) | 2018-09-29 | 2018-09-29 | Key structure, key and terminal equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109216078A true CN109216078A (en) | 2019-01-15 |
| CN109216078B CN109216078B (en) | 2021-06-08 |
Family
ID=64982287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811151124.4A Active CN109216078B (en) | 2018-09-29 | 2018-09-29 | Key structure, key and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109216078B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002251939A (en) * | 2000-12-22 | 2002-09-06 | Seiko Epson Corp | Push-button and recording device provided with the same |
| CN101872691A (en) * | 2009-04-21 | 2010-10-27 | 深圳富泰宏精密工业有限公司 | Keypress assembly and portable electronic device equipped with same |
| CN203026415U (en) * | 2012-12-12 | 2013-06-26 | Tcl通力电子（惠州）有限公司 | Key structure |
| CN204117910U (en) * | 2014-09-09 | 2015-01-21 | 珠海格力电器股份有限公司 | Double-cantilever button structure and cooling fan control panel |
-
2018
- 2018-09-29 CN CN201811151124.4A patent/CN109216078B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002251939A (en) * | 2000-12-22 | 2002-09-06 | Seiko Epson Corp | Push-button and recording device provided with the same |
| CN101872691A (en) * | 2009-04-21 | 2010-10-27 | 深圳富泰宏精密工业有限公司 | Keypress assembly and portable electronic device equipped with same |
| CN203026415U (en) * | 2012-12-12 | 2013-06-26 | Tcl通力电子（惠州）有限公司 | Key structure |
| CN204117910U (en) * | 2014-09-09 | 2015-01-21 | 珠海格力电器股份有限公司 | Double-cantilever button structure and cooling fan control panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109216078B (en) | 2021-06-08 |
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Address after: 100085 Huarun Qingcai Street 68, Haidian District, Beijing, two stage, 9 floor, 01 rooms. Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Patentee after: Qingdao Yilai Intelligent Technology Co.,Ltd. Address before: 100085 Huarun Qingcai Street 68, Haidian District, Beijing, two stage, 9 floor, 01 rooms. Patentee before: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Patentee before: QINGDAO YEELINK INFORMATION TECHNOLOGY Co.,Ltd. |
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