CN209627348U - A kind of optical coupling type ultra-thin key switch - Google Patents
A kind of optical coupling type ultra-thin key switch Download PDFInfo
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- CN209627348U CN209627348U CN201920152707.2U CN201920152707U CN209627348U CN 209627348 U CN209627348 U CN 209627348U CN 201920152707 U CN201920152707 U CN 201920152707U CN 209627348 U CN209627348 U CN 209627348U
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- lid
- pedestal
- key switch
- optical coupling
- coupling type
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Abstract
The utility model discloses a kind of optical coupling type ultra-thin key switches, including the pedestal being set on pcb board, the lid being set to above pedestal and the balancing stand being set between pedestal and lid, it further include the light barrier being set on lid and the optocoupler assembly for being set to below light barrier and being electrically connected to pcb board, which includes being electrically connected in pcb board and the photocell and a light receiving element that are oppositely arranged.Optical coupling type ultra-thin key provided by the utility model switchs, and presses steady, good hand touch, uses for a long time, and still movement is accurate, and induction is sensitive, and long service life, integral thickness is thin, conducive to slimming is realized.
Description
Technical field
The utility model relates to a kind of key switches more particularly to a kind of optical coupling type ultra-thin key to switch.
Background technique
As various electronic equipments constantly develop to slimming, it is also required to do applied to the key switch on electronic equipment
It obtains more and more thinner.Such as Ultrathin notebook computer, in order to enable laptop to reach ultrathin standard, keyboard of notebook computer
On key switch have to be made than relatively thin, while also to guarantee its performance and feel.
In general, the conducting principle of key switch is the conducting and disconnection moved up and down come triggering and conducting component by leading core,
To realize the conducting and break function of key switch.And feed-through assembly is usually to form mechanical conducting group by stationary plate and movable plate
Part, the movable contact that movable plate is triggered by leading core, which is in contact with the stationary contact of stationary plate with separating, realizes conducting and break function.
And this mechanical feed-through assembly, reserved space is needed in key switch to install, and occupied space is big；Meanwhile being
Meets the needs of to feel, it is also necessary to corresponding feel recurring structure in increase.Therefore, numerous structures combine, so that pressing
Key switch is difficult to reach slimming, and pressing feel is difficult to have both simultaneously with slimming.Moreover, after key switch is used for a long time,
The movable contact of movable plate is frequently contacted and is separated with the stationary contact of stationary plate, once for a long time after, surface is also easy to produce abrasion, service life
It is short, the stability in use and usage safety performance of key switch are influenced, even results in and cannot achieve conducting and break function.
Utility model content
In view of the above deficiencies, the purpose of this utility model is to provide a kind of optical coupling type ultra-thin key switch, pressing is steady,
Good hand touch uses for a long time, and still movement is accurate, and induction is sensitive, and long service life, integral thickness is thin, is conducive to realize slimming.
Used technical solution is the utility model in order to achieve the above objectives:
A kind of optical coupling type ultra-thin key switch, including the pedestal being set on pcb board, the lid being set to above pedestal
Son and the balancing stand that is set between pedestal and lid, which is characterized in that further include the light barrier being set on lid,
And it is set to below light barrier and is electrically connected to an optocoupler assembly of pcb board, which includes being electrically connected in pcb board
And the photocell and a light receiving element being oppositely arranged.
The light barrier is set to lid lower end surface as a further improvement of the utility model,.
The photocell and light receiving element are all set on pcb board as a further improvement of the utility model,
End face, and the resigning mouthful passed through respectively for photocell and light receiving element is offered on the base.
As a further improvement of the utility model, on the pedestal and be located at photocell and light receiving element it
Between be formed with the recessing groove moved down for light barrier, be respectively formed on the recessing groove two sidewalls positioned at photocell and light
A notch between receiving element.
The balancing stand includes an a balancing pole A and balancing pole B, the balance as a further improvement of the utility model,
An elastic component is connected between bar A and balancing pole B.
The elastic component is tension spring as a further improvement of the utility model, is formed on the balancing pole A for drawing
The dog hole A that spring one end hooks into is formed with the dog hole B hooked into for the tension spring other end on the balancing pole B.
The balancing pole A is enclosed type frame structure as a further improvement of the utility model, and the balancing pole B is U
Type structure；A slotting axis is respectively arranged in the two balancing pole A opposite outer side edges, and opposite in balancing pole A one end
Inserting column A on one in insertion lid is respectively arranged in two outer side edges；It is set respectively on two opposite inner side edges of the balancing pole B
It is equipped with the jack for inserting axis insertion, and is respectively arranged with insertion pedestal in two opposite outer side edges of balancing pole B one end
In inserting column once, be respectively arranged on the opposite two sides in the other end the balancing pole B insertion lid in one on inserting column
B。
A sounding elastomer is provided between the pedestal and lid as a further improvement of the utility model, it should
Sounding elastomer drives deformation occurs to hit lid, pedestal and/or balancing stand with springing back and make a sound by lid.
Sounding elastomer both ends are set on pedestal as a further improvement of the utility model,.
Be provided with a fixed bracket on the pedestal as a further improvement of the utility model, the fixation bracket to
On extend to form two pieces of branch pieces, offer a branch piece jack respectively in two pieces of branch on pieces, which is inserted in
Wherein in the branch piece jack of a piece of branch piece, the other end is inserted in the branch piece jack of other a piece of branch piece.
One first pedestal jack, In are offered on one inner wall of pedestal as a further improvement of the utility model,
One second pedestal jack is offered on another inner wall of the pedestal, which is inserted in the first pedestal jack, separately
One end is inserted in the second pedestal jack.
Sounding elastomer both ends are set on lid as a further improvement of the utility model, in the lid
One first lid jack is offered on one inner wall, and one second lid jack is offered on another inner wall of the lid, the sounding bullet
Property body one end is inserted in the first lid jack, and the other end is inserted in the second lid jack.
One be convexly equipped on the balancing stand below sounding elastomer as a further improvement of the utility model,
Convex block.
The sounding elastomer is elastic slice or elastic wire as a further improvement of the utility model,.
The utility model has the following beneficial effects:
(1) by the optocoupler assembly adding light barrier on lid and be electrically connected on circuit board as key switch
Optical coupling type feed-through assembly drives moving up and down for light barrier by moving up and down for lid, so that light barrier is being blocked and do not blocked
Switch between the transmission of optocoupler assembly light, to realize the conducting and break function of key switch, compared to traditional movable plate with
The mechanical conducting structure of stationary plate contact conducting, not only reduces conducting structure occupied space, reaches slimming conducive to key switch,
And the movement of optical coupling type feed-through assembly is accurate, incudes sensitive, structural stability height, during lid moves up and down, because of light
Coupling formula feed-through assembly is not in contact collision with other structures, is used for a long time without abrasion, long service life ensure that its use
Stability and usage safety performance；
(2) it by connecting a tension spring between balancing pole A and balancing pole B, is combined up and down by balancing pole A with balancing pole B
It swings to balance out pressing force in the component of inclined direction, makes key stress equalization, improve whole pressing equilibrant force；And it can be with
Elastic restoring force is provided for pressing conducting function, the upper swing for balancing pole A and balancing pole B provides motive force, as balancing pole A
Offer elastic restoring force is swung up and down with balancing pole B, guarantees that balancing pole A and balancing pole B swings up and down the precise and stable of movement,
To further increase pressing equilibrant force；Balancing pole A and balancing pole B are pulled by tension spring, significantly increase pressing stroke, and press
Balancing stand is flipped movement when lid, so that manpower is obtained a kind of break and falls sense of touch, improves pressing feel；
(3) by adding sounding elastomer, when pressing lid, promoted sounding elastomer by lid deformation occurs, rebound,
It overturns and hits lid, pedestal and/or balancing stand and make a sound, realize pressing sounding effect, and since it has elasticity special
Property, pressing feel can be improved, promote user experience, meanwhile, the direct impact force hit to key switch internal structure can be weakened,
Protect internal structure without impaired.
Above-mentioned is the general introduction of utility model technical solution, below in conjunction with attached drawing and specific embodiment, to the utility model
It is described further.
Detailed description of the invention
Fig. 1 is the explosive view of embodiment one；
Fig. 2 is the external structure schematic diagram of embodiment one；
Fig. 3 is the partial structure diagram of embodiment one；
Fig. 4 is the structural schematic diagram that optocoupler assembly is combined with pedestal in embodiment one；
Fig. 5 is the structural schematic diagram that light barrier is set to lid lower end surface in embodiment one；
Fig. 6 is the sectional view that key switch is in non-pressing state in embodiment one；
Fig. 7 is the sectional view that key switch is in pressing state in embodiment one；
Fig. 8 is the structural schematic diagram that balancing stand is combined with elastic component in embodiment one；
Fig. 9 is the explosive view of balancing stand in embodiment one；
Figure 10 is the bottom substance schematic diagram of pedestal in embodiment one；
Figure 11 is the structural schematic diagram that balancing stand is combined with lid in embodiment one；
Figure 12 is the explosive view of embodiment two；
Figure 13 is to fix the structural schematic diagram that bracket is set on pedestal in embodiment two；
Figure 14 is that sounding elastomer is set to the structural schematic diagram on fixed bracket in embodiment two；
Figure 15 is that for key switch in when not pressing off-state, sounding elastomer is in upward arch shape in embodiment two
Structural schematic diagram；
When Figure 16 is that key switch is in pressing on state in embodiment two, sounding elastomer is in downward arch shape
Structural schematic diagram；
Figure 17 is that sounding elastomer is set to the structural schematic diagram in pedestal jack in embodiment two；
Figure 18 is that sounding elastomer is set to the structural schematic diagram on lid in embodiment two.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy for reaching predetermined purpose and being taken, below in conjunction with
Specific embodiment of the present utility model is described in detail in attached drawing and preferred embodiment.
Embodiment one:
Fig. 1 to Fig. 7 is please referred to, the present embodiment provides a kind of optical coupling type ultra-thin key switches, including are set on pcb board 10
A pedestal 1, the balancing stand 3 that is set to a lid 2 of the top of pedestal 1 and is set between pedestal 1 and lid 2, wherein
Pedestal 1 can be welded on pcb board 10 by the leg 14 of bottom, naturally it is also possible to corresponding buckle be arranged on pedestal 1
15, it is buckled on pcb board 10.The present embodiment key switch further includes the light barrier 4 being set on lid 2 and is set to light-blocking
4 lower section of plate and the optocoupler assembly 5 for being electrically connected to pcb board 10, which includes being electrically connected in pcb board 10 and phase
To the photocell 51 and a light receiving element 52 of setting.
In the present embodiment, the light barrier 4 is set to 2 lower end surface of lid, as shown in Figure 5.
Meanwhile as shown in Figure 3 and Figure 4, the photocell 51 is all set in 10 upper end of pcb board with light receiving element 52
Face, and the resigning mouthful 16 passed through respectively for photocell 51 and light receiving element 52 is offered on the pedestal 1.
Meanwhile it being formed on the pedestal 1 and between photocell 51 and light receiving element 52 for light barrier 4
The recessing groove 17 moved down is respectively formed on 17 two sidewalls of recessing groove positioned at photocell 51 and light receiving element 52
Between a notch 171, convenient for the transmitting of light between photocell 51 and light receiving element 52.
The conducting of the present embodiment optical coupling type and disconnection principle are as follows:
When not pressing down on lid 2, as shown in fig. 6, light barrier 4 is located on photocell 51 and light receiving element 52
Side, and be not located between the two, i.e. light receiving element 52 can receive the light that photocell 51 issues, then circuit
Obtain Continuity signal.And when pressing down on lid 2, as shown in fig. 7, light barrier 4 is moved down with lid 2, when light barrier 4 moves down
When between photocell 51 and light receiving element 52, the light that photocell 51 issues is blocked by light barrier 4, light
Receiving element 52 can not receive the light of the sending of photocell 51, then circuit can not obtain Continuity signal.When release is to lid
When the pressing of son 2, is acted on by the upper pendulum of balancing stand 3, drive lid 2 to move up reset, light barrier 4 is moved up with lid 2, when light-blocking
When plate 4 is left between photocell 51 and light receiving element 52, light receiving element 52 receives the hair of photocell 51 again
Light out, then circuit obtains Continuity signal, completes to switch on-off circulation as a result,.By above-mentioned principle, it can preset and be set to,
When not pressing lid 2, when circuit obtains Continuity signal, key switch is off-state；And when pressing lid 2, circuit can not obtain
When obtaining Continuity signal, key switch is on state, it is of course also possible to setting be exchanged, as long as the pressing of lid 2 front and back, circuit produce
Raw on off operating mode.
In the present embodiment, as shown in Figs. 8 to 11, the balancing stand 3 includes an a balancing pole A 31 and balancing pole B
32, an elastic component 33 is connected between balancing pole A31 and balancing pole B 32, it is preferred that the elastic component 33 is tension spring 33'.Together
When, the dog hole A 311 hooked into for the one end tension spring 33' is formed on the balancing pole A 31, on the balancing pole B 32
It is formed with the dog hole B 321 hooked into for the tension spring 33' other end.
Specifically, the balancing pole A 31 is enclosed type frame structure, the balancing pole B 32 is U-shaped structure；It is described flat
Be respectively arranged with a slotting axis 312 in opposite two outer side edges of weighing apparatus bar A 31, and the balancing pole 31 one ends of A it is opposite two outside
Inserting column A313 on one in insertion lid 2 is respectively arranged on side.Meanwhile two inner side edges opposite in the balancing pole B 32
On be respectively arranged with the jack 322 being inserted into for inserting axis 312, and in two opposite outer side edges of the balancing pole 32 one ends of B point
It is not provided with inserting column 323 once in insertion pedestal 1, is respectively set on the opposite two sides in 32 the other end balancing pole B
There is inserting column B 324 on one in insertion lid 2.
Which during key switch pressing is connected, regardless of the position on pressing lid 2, by balancing pole A31 and put down
Weighing apparatus bar B 32, which is combined, to be swung up and down to balance out pressing force in the component of inclined direction, is made key stress equalization, is improved whole
Press equilibrant force.Meanwhile elasticity is provided with swinging up and down for balancing pole B 32 for balancing pole A31 by elastic component 33 (tension spring 33')
The upper wobbling action (restoring to v-shaped structure on 3 top of balancing stand) of restoring force, balancing pole A31 and balancing pole B 32 is drawn by tension spring 33'
It rises, prevents balancing pole A31 and balancing pole B 32 deviates the wobble tracks of former setting, to further increase pressing equilibrant force, and by
The upper swing of balancing pole A31 and balancing pole B 32 drives lid 2 to move up reset.Meanwhile by tension spring 33' pull balancing pole A31 with
Balancing pole B 32 significantly increases pressing stroke, and balancing stand is flipped movement when pressing lid 2, and manpower is made to obtain one
Kind is disconnected to fall sense of touch, improves pressing feel.
Embodiment two:
As shown in Figure 12 to Figure 18, the present embodiment and the main distinction of embodiment one are: in the pedestal 1 and lid 2
Between be provided with a sounding elastomer 7, sounding elastomer 7 can be made of plastic cement or metal, concretely elastic slice or Elastic Steel
Silk, the present embodiment attached drawing are that elastic slice is illustrated as an example with sounding elastomer 7, the present embodiment sounding elastomer 7 (elastic slice)
Drive deformation occurs to hit lid 2, pedestal 1 and/or balancing stand 3 with springing back and make a sound by lid 2.
In the present embodiment, it in order to cooperate the sounding of sounding elastomer 7, is convexly equipped on the balancing stand 3 positioned at sounding
One convex block 30 of 7 lower section of elastomer, when sounding elastomer 7 downwardly turns over and generates deformation, sounding elastomer 7 is in addition to that can tap
Outside 1 sounding of pedestal, 30 sounding of convex block can also be tapped, meanwhile, it is multiple that convex block 30 can also drive sounding elastomer 7 to be flipped up
Position, as shown in figure 16.
7 both ends of the present embodiment sounding elastomer can be set on pedestal 1, also can be set on lid 2.
When 7 both ends of sounding elastomer are set on pedestal 1, first way are as follows: as shown in figures 13 and 14, described
A fixed bracket 11 is provided on pedestal 1, which upwardly extends to form two pieces of branch pieces 111, in two pieces of branch pieces 111
Upper to offer a branch piece jack 1111 respectively, which is inserted in the branch piece jack of wherein a piece of branch piece 111
In 1111, the other end is inserted in the branch piece jack 1111 of other a piece of branch piece 111.When not pressing down on lid 2, sounding bullet
Property body 7 (elastic slice) be in upward arch shape, as shown in Figure 14 and Figure 15；When pressing down on lid 2,7 (bullet of sounding elastomer
Piece) push down on that deformation occurs by lid 2, promote sounding elastomer 7 (elastic slice) to downwardly turn over and hits pedestal 1 and/or balancing stand 3
It makes a sound, at this point, sounding elastomer 7 (elastic slice) is in downward arch shape, as shown in figure 16.When pressing of the release to lid 2
When, the down force that sounding elastomer 7 (elastic slice) is subject to disappears, and sounding elasticity can be driven by the convex block 30 on balancing stand 3
Rebound overturning resets body 7 (elastic slice) upwards, hits lid 2 when rebound and makes a sound, at this point, sounding elastomer 7 (elastic slice) is extensive
Again to upward arch shape.When repeatedly press lid 2 when, sounding elastomer 7 (elastic slice) hit repeatedly lid 2, pedestal 1 and/or
Balancing stand 3 makes a sound.
The second way are as follows: as shown in figure 17, offer one first pedestal jack 12, In on 1 one inner wall of pedestal
One second pedestal jack 13 is offered on another inner wall of pedestal 1, which is inserted in the first pedestal jack 12
In, the other end is inserted in the second pedestal jack 13.It is similar to first way, when not pressing down on lid 2, sounding elasticity
Body 7 (elastic slice) is in upward arch shape, as shown in figure 17；When pressing down on lid 2, sounding elastomer 7 (elastic slice) is by lid 2
It pushes down on that deformation occurs, promotes sounding elastomer 7 (elastic slice) to downwardly turn over and hit pedestal 1 and/or balancing stand 3 makes a sound,
At this point, sounding elastomer 7 (elastic slice) is in downward arch shape.When unclamping the pressing to lid 2, sounding elastomer 7 (elastic slice)
The down force being subject to disappears, and sounding elastomer 7 (elastic slice) rebound overturning upwards can be driven by the convex block 30 on balancing stand 3
It resets, hits lid 2 when rebound and make a sound, at this point, sounding elastomer 7 (elastic slice) restores to upward arch shape.When anti-
When pressing lid 2 again, sounding elastomer 7 (elastic slice) hits lid 2, pedestal 1 and/or balancing stand 3 repeatedly and makes a sound.
When 7 both ends of sounding elastomer are set on lid 2, as shown in figure 18, offered on 2 one inner wall of lid
One first lid jack 21 offers one second lid jack 22 on another inner wall of lid 2,7 one end of sounding elastomer
It is inserted in the first lid jack 21, the other end is inserted in the second lid jack 22.When not pressing down on lid 2, sounding
Elastomer 7 (elastic slice) is in downward arch shape, as shown in figure 18；When pressing down on lid 2, sounding elastomer 7 (elastic slice) with
Lid 2 move down, when sounding elastomer 7 (elastic slice) touches the structure on pedestal 1, the structure on pedestal 1 pushes up hair
Acoustic elasticity body 7 (elastic slice) brings it about deformation, promotes sounding elastomer 7 (elastic slice) to be flipped up shock lid 2 and makes a sound, this
When, sounding elastomer 7 (elastic slice) is in upward arch shape.When unclamping to the pressing of lid 2, sounding elastomer 7 (elastic slice) by
The upward active force that arrives disappears, and sounding elastomer 7 (elastic slice) rebound overturning downwards resets, and when rebound hits pedestal 1 and/or balance
Frame 3 and make a sound, at this point, sounding elastomer 7 (elastic slice) restores to downward arch shape.When pressing lid 2 repeatedly, sounding
Elastomer 7 (elastic slice) hits lid 2, pedestal 1 and/or balancing stand 3 repeatedly and makes a sound.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions, therefore technical characteristic identical or approximate with the utility model above-described embodiment is used, and obtained other structures,
It is within the protection scope of the utility model.
Claims (14)
1. a kind of optical coupling type ultra-thin key switch, including the pedestal being set on pcb board, the lid being set to above pedestal
Son and the balancing stand that is set between pedestal and lid, which is characterized in that further include the light barrier being set on lid,
And it is set to below light barrier and is electrically connected to an optocoupler assembly of pcb board, which includes being electrically connected in pcb board
And the photocell and a light receiving element being oppositely arranged.
2. optical coupling type ultra-thin key switch according to claim 1, which is characterized in that the light barrier is set under lid
End face.
3. optical coupling type ultra-thin key switch according to claim 1, which is characterized in that the photocell and light-receiving
Element is all set in pcb board upper surface, and offers respectively pass through for photocell and light receiving element on the base
Resigning mouthful.
4. optical coupling type ultra-thin key switch according to claim 1, which is characterized in that on the pedestal and be located at light hair
The recessing groove for being formed with and moving down for light barrier is penetrated between element and light receiving element, is respectively formed on the recessing groove two sidewalls
There is the notch between photocell and light receiving element.
5. optical coupling type ultra-thin key switch according to claim 1, which is characterized in that the balancing stand includes a balancing pole
An A and balancing pole B, is connected with an elastic component between balancing pole A and balancing pole B.
6. optical coupling type ultra-thin key switch according to claim 5, which is characterized in that the elastic component is tension spring, in institute
The dog hole A for being formed on balancing pole A and hooking into for tension spring one end is stated, is formed on the balancing pole B and is hooked for the tension spring other end
The dog hole B entered.
7. optical coupling type ultra-thin key switch according to claim 5, which is characterized in that the balancing pole A is enclosed type frame
Frame structure, the balancing pole B are U-shaped structure；It is respectively arranged with a slotting axis in the two balancing pole A opposite outer side edges, and
Inserting column A on one in insertion lid is respectively arranged in two opposite outer side edges of balancing pole A one end；In the balancing pole B
The jack for inserting axis insertion, and two outsides opposite in balancing pole B one end are respectively arranged on two opposite inner side edges
The inserting column once being respectively arranged in insertion pedestal on side, is respectively set on the opposite two sides in the other end balancing pole B
There is inserting column B on one in insertion lid.
8. according to claim 1 to the optical coupling type ultra-thin key switch any in 7, which is characterized in that the pedestal with
A sounding elastomer is provided between lid, the sounding elastomer by lid drive deformation occurs and hit lid, pedestal and/or
Balancing stand makes a sound.
9. optical coupling type ultra-thin key switch according to claim 8, which is characterized in that the setting of sounding elastomer both ends
In on pedestal.
10. optical coupling type ultra-thin key switch according to claim 9, which is characterized in that be provided with one on the pedestal
Fixed bracket, the fixation bracket upwardly extend to form two pieces of branch pieces, offer a branch piece jack respectively in two pieces of branch on pieces, should
Sounding elastomer one end is inserted in the branch piece jack of wherein a piece of branch piece, and the branch piece that the other end is inserted in other a piece of branch piece is inserted
Kong Zhong.
11. optical coupling type ultra-thin key switch according to claim 9, which is characterized in that opened on one inner wall of pedestal
Equipped with one first pedestal jack, one second pedestal jack is offered on another inner wall of the pedestal, which inserts
In the first pedestal jack, the other end is inserted in the second pedestal jack.
12. optical coupling type ultra-thin key switch according to claim 8, which is characterized in that sounding elastomer both ends are set
It is placed on lid, offers one first lid jack on one inner wall of lid, offer one on another inner wall of the lid
Second lid jack, the sounding elastomer one end are inserted in the first lid jack, and the other end is inserted in the second lid jack.
13. optical coupling type ultra-thin key switch according to claim 8, which is characterized in that be convexly equipped on the balancing stand
A convex block below sounding elastomer.
14. optical coupling type ultra-thin key switch according to claim 8, which is characterized in that the sounding elastomer is elastic slice
Or elastic wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152707.2U CN209627348U (en) | 2019-01-27 | 2019-01-27 | A kind of optical coupling type ultra-thin key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920152707.2U CN209627348U (en) | 2019-01-27 | 2019-01-27 | A kind of optical coupling type ultra-thin key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209627348U true CN209627348U (en) | 2019-11-12 |
Family
ID=68452303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920152707.2U Expired - Fee Related CN209627348U (en) | 2019-01-27 | 2019-01-27 | A kind of optical coupling type ultra-thin key switch |
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| Country | Link |
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| CN (1) | CN209627348U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908756A (en) * | 2020-01-02 | 2021-06-04 | 光宝电子(广州)有限公司 | Key structure |
| WO2021159222A1 (en) * | 2020-02-13 | 2021-08-19 | 东莞市名键电子科技有限公司 | Ultrathin x balance frame mechanical key |
| WO2022143378A1 (en) * | 2020-12-29 | 2022-07-07 | 东莞市凯华电子有限公司 | Drive block-driven single-arm type conduction and sound production mechanism applied to keyboard switch |
| US11923159B2 (en) | 2021-12-16 | 2024-03-05 | Darfon Electronics Corp. | Keyswitch structure and keycap support mechanism thereof |
| US11978598B2 (en) | 2021-12-16 | 2024-05-07 | Darfon Electronics Corp. | Keyswitch structure and lift mechanism thereof |
| US11990295B2 (en) | 2021-12-16 | 2024-05-21 | Darfon Electronics Corp. | Keyswitch and illuminated keyswitch |
-
2019
- 2019-01-27 CN CN201920152707.2U patent/CN209627348U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908756A (en) * | 2020-01-02 | 2021-06-04 | 光宝电子(广州)有限公司 | Key structure |
| WO2021159222A1 (en) * | 2020-02-13 | 2021-08-19 | 东莞市名键电子科技有限公司 | Ultrathin x balance frame mechanical key |
| WO2022143378A1 (en) * | 2020-12-29 | 2022-07-07 | 东莞市凯华电子有限公司 | Drive block-driven single-arm type conduction and sound production mechanism applied to keyboard switch |
| US11923159B2 (en) | 2021-12-16 | 2024-03-05 | Darfon Electronics Corp. | Keyswitch structure and keycap support mechanism thereof |
| US11978598B2 (en) | 2021-12-16 | 2024-05-07 | Darfon Electronics Corp. | Keyswitch structure and lift mechanism thereof |
| US11990295B2 (en) | 2021-12-16 | 2024-05-21 | Darfon Electronics Corp. | Keyswitch and illuminated keyswitch |
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