CN205004229U - Photoelectric type keyboard button - Google Patents
Photoelectric type keyboard button Download PDFInfo
- Publication number
- CN205004229U CN205004229U CN201520674315.4U CN201520674315U CN205004229U CN 205004229 U CN205004229 U CN 205004229U CN 201520674315 U CN201520674315 U CN 201520674315U CN 205004229 U CN205004229 U CN 205004229U
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- China
- Prior art keywords
- axle
- receiving element
- light path
- block
- basket
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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.)
- Withdrawn - After Issue
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Abstract
Photoelectric type keyboard button includes: a circuit board for provide circuit connection, it has a mounting hole to open on the circuit board, an opto -coupler subassembly, locate the circuit board on, including a radiated element and a receiving element who arranges the mounting hole side in, a key -holder, in the mounting hole of packing into, its top -down opening forms one and directs the basket, is equipped with on the guide basket lateral wall to supply radiated element and receiving element to form smooth groove of leading to of optical pass, one according to the axle, packs the guide into according to the axle and in the basket, can follow the guide basket and slide from top to bottom, the guide is vertically arranged in the basket to a block stamp, about it both ends respectively through the spring with is connected according to axle and guide basket, its side have with the shifting block of pressing the hub connection, the light path switch has on the block stamp, press or pass through the shifting block when bounceing according to the axle and promote the block stamp level rotation of reciprocating for it switches on or blocks the optical pass between radiated element and the receiving element respectively to rotate the light path switch. The utility model discloses can demonstrate obvious feeling and button sound according to touching the paragraph, coupling efficiency is higher, is difficult for the laying dust.
Description
Technical field
The utility model relates to button, specifically a kind of photoelectric key board button.
Background technology
Keyboard is generally divided into mechanical contact-type and optoelectronic switch formula, wherein optoelectronic switch formula keyboard utilizes photoelectricity RMD fing mode decoupling, substitute mechanical contact-type structure, it utilizes optical principle and photoelectric coupling technology, formed the path of light by radiated element and receiving element, resistance light part is carrying out the cut-out of light path and conducting to change circuit impedance realizing circuit switch.Compared to other keyboards, the optoelectronic switch formula keyboard life-span is long, uses the change of long-time handfeel of keys afterwards very little
But all there is following shortcoming in current existing optoelectronic switch formula keyboard:
1, do not have light path alignment and optically focused design between transmitting tube and receiving tube, therefore the photoelectric coupling efficiency of radiated element and receiving element is lower.
2, during button internal memory dust stratification dirt, the degrees of sensitivity of photoelectricity coupling can decline further.
3, handfeel of keys is single, to button by sense of touch official not obvious.
Utility model content
The utility model, in order to make up the deficiencies in the prior art part, proposes a kind of photoelectric key board button, by having obvious paragraph sense time tactile, has obvious enhancing to photoelectric coupling efficiency, can also realize good antidusting effect.
In order to realize above object, the utility model have employed following technical scheme.
Photoelectric key board button, comprising:
One circuit board, for providing circuit to connect, circuit board has an installing hole;
One optocoupler assembly, is located on circuit board, comprises the radiated element and a receiving element that are placed in installing hole side;
One key base, loads in installing hole, and its top-down opening forms a guiding basket, and guiding basket sidewall is provided with the logical light groove forming light path for radiated element and receiving element;
One presses axle, loads in guiding basket by axle, can slide up and down along guiding basket;
One block stamp, vertically be placed in guiding basket, its upper and lower two ends respectively by spring with by axle with guide basket and be connected, its side has the shifting block be connected with by axle, block stamp has light path switch, promote block stamp reciprocal horizontal by shifting block when pressing by axle or upspring to rotate, in order to rotate light path switch conducting or the light path between blocking-up radiated element and receiving element respectively.
Wherein, optional the selecting of optocoupler assembly is located at circuit board front or the back side.
Wherein, the bottom of guiding basket has limiting stand, and the top of limiting stand has a pair side block block, and the bottom of limiting stand has the flat hole supplying the bottom of block stamp freely to insert, and the shape of the bottom of block stamp coordinates with this flat hole.
Compared with prior art, the beneficial effects of the utility model are:
(1), time by touch of key-press, block stamp coordinates limiting stand can present significantly by tactile paragraph sense and button sound;
(2) light path switch on block stamp can shield the outside light disturbance outside optocoupler assembly, and coupling efficiency is higher;
(3) optocoupler assembly is that circuit board or key base block, not easily laying dust.
Below in conjunction with specification drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 2 is the cutaway view of key base of the present utility model.
Fig. 3 is the structural representation by axle of the present utility model.
Fig. 4 is the structural representation of block stamp of the present utility model.
Fig. 5 is the structural representation of a kind of execution mode of the present utility model, and in figure, button is in the state of upspringing.
Fig. 6 is the another structural representation of the execution mode shown in Fig. 5, and in figure, button is in down state.
Fig. 7 is the structural representation of another kind of execution mode of the present utility model.
Fig. 8 is the structural representation of another execution mode of the present utility model.
Embodiment
As shown in Fig. 1 to Fig. 6, photoelectric key board button, comprising:
One circuit board 1, for providing circuit to connect, circuit board 1 has an installing hole 11;
One optocoupler assembly 2, is located on circuit board 1, comprises radiated element 21 and the receiving element 22 being placed in installing hole side;
One key base 3, loads in installing hole 11, and its top-down opening forms a guiding basket 31, and guiding basket 31 sidewall is provided with the logical light groove 32 forming light path for radiated element 21 and receiving element 22;
One presses axle 4, loads in guiding basket 31 by axle 4, can slide up and down along guiding basket 31;
One block stamp 5, vertically be placed in guiding basket 31, its upper and lower two ends respectively by spring 6 and spring 7 with by axle 4 with guide basket 31 and be connected, its side has the shifting block 51 be connected with by axle 4, block stamp 5 has light path switch 52, promote block stamp 5 reciprocal horizontal by shifting block 51 when pressing by axle 3 or upspring to rotate, in order to rotate light path switch 52 conducting or the light path between blocking-up radiated element 21 and receiving element 22 respectively.
As shown in Figure 5 and Figure 6, in preferably execution mode, the back side of circuit board 1 is located at by optocoupler assembly 2.Because the back side of circuit board 1 is located at by optocoupler assembly 2, dust not easily arrives this place, so optocoupler assembly 2 does not affect by laying dust substantially.In addition key base 3 loads in installing hole 11 and also blocks the back side that dust enters circuit board 1, so optocoupler assembly 2 does not affect by laying dust.
As shown in Figure 2, the bottom of guiding basket 31 has limiting stand 33, and the top of limiting stand 33 has a pair side block block 34, and the bottom of limiting stand 33 has the flat hole 35 supplying the bottom of block stamp 5 freely to insert, and the shape of the bottom of block stamp 5 coordinates with this flat hole 35.As shown in Figure 5, when button is in and upsprings state, the bottom of block stamp 5 is confined between side block block 34; As shown in Figure 6, when button is in down state, the bottom of block stamp 5 is inserted and is confined in flat hole 35.Shelves button switches with when upspringing with down state, and block stamp 5 coordinates limiting stand 33 can present significantly by tactile paragraph sense and button sound.
As shown in Figure 3, described by being provided with the chute 41 slided for shifting block 51 in axle 4, its top is vertical guide groove 411, and its underpart is oblique guide groove 412; As shown in Figure 5 and Figure 6, when pressing by axle 4, shifting block 51 slips into vertical guide groove 411 from oblique guide groove 412, in order to promote block stamp 5 one-directional rotation and static; When upspringing by axle 4, shifting block 51 slips into oblique guide groove 412 from vertical guide groove 411, to rotate backward and static in order to promote block stamp 5.
As shown in Figure 3, in preferably execution mode, described by being provided with the inner core 42 freely inserted for the top of block stamp 5 in axle 4, described chute 41 is positioned at the sidewall of inner core 42.
As shown in Figure 3 and Figure 4, in preferably execution mode, described block stamp 5 have two shifting blocks 51 that Central Symmetry is arranged, described two chutes by being also provided with Central Symmetry in axle 4 and arranging.
As shown in Figure 5 and Figure 6, in a kind of execution mode of the present utility model, described radiated element 21 and receiving element 22 are placed in installing hole 11 both sides respectively and are oppositely arranged, and described light path switch 52 is light holes of the through block stamp 5 of level; As shown in Figure 5, when pressing by axle 4, light hole forms the light path of radiated element 21 and receiving element 22, as shown in Figure 6, when upspringing by axle 4 light hole radiated element 21 and receiving element 22 light path upper deflecting and blocked.In the present embodiment, button is upspring under state, the stray light signal that radiated element 21 leaks to surrounding volume cannot be delivered to receiving element 22, under button down state, effective light signal of radiated element 21 can better converge to receiving element 22 by light hole, coupling efficiency is higher, and the accuracy of optoelectronic switch is also higher.
As shown in Figure 7, in another kind of execution mode of the present utility model, light conductor 521 in described light hole, is provided with.Effective light signal that light conductor 521 further can strengthen radiated element 21 on the basis of a upper execution mode converges to the effect of receiving element 22, further improves the accuracy of coupling efficiency and optoelectronic switch.
As shown in Figure 8, in another execution mode of the present utility model, described radiated element 21 and receiving element 22 are placed in the homonymy of installing hole 11 respectively, and described light path switch 52 is provided at the refractive body on block stamp 5; When pressing by axle 4, refractive body consists of the light path of radiated element 21 and receiving element 22 reflection, and when upspringing by axle 4, refractive body deflects and blocks the light path of radiated element 21 and receiving element 22.In the present embodiment, button is upspring under state, the stray light signal that radiated element 21 leaks to surrounding volume cannot be delivered to receiving element 22, under button down state, effective light signal of radiated element 21 can better converge to receiving element 22 by refractive body, coupling efficiency is higher, and the accuracy of optoelectronic switch is also higher.
For a person skilled in the art, the structure that can disclose according to the utility model and principle obtain other various corresponding change and distortion, and all these change and distortion all belongs to protection category of the present utility model.
Claims (9)
1. photoelectric key board button, is characterized in that, comprising:
One circuit board, for providing circuit to connect, circuit board has an installing hole;
One optocoupler assembly, is located on circuit board, comprises the radiated element and a receiving element that are placed in installing hole side;
One key base, loads in installing hole, and its top-down opening forms a guiding basket, and guiding basket sidewall is provided with the logical light groove forming light path for radiated element and receiving element;
One presses axle, loads in guiding basket by axle, can slide up and down along guiding basket;
One block stamp, vertically be placed in guiding basket, its upper and lower two ends respectively by spring with by axle with guide basket and be connected, its side has the shifting block be connected with by axle, block stamp has light path switch, promote block stamp reciprocal horizontal by shifting block when pressing by axle or upspring to rotate, in order to rotate light path switch conducting or the light path between blocking-up radiated element and receiving element respectively.
2. photoelectric key board button as claimed in claim 1, is characterized in that: optocoupler assembly is located at circuit board front or the back side.
3. photoelectric key board button as claimed in claim 1, it is characterized in that: the bottom of guiding basket has limiting stand, the top of limiting stand has a pair side block block, and the bottom of limiting stand has the flat hole supplying the bottom of block stamp freely to insert, and the shape of the bottom of block stamp coordinates with this flat hole.
4. photoelectric key board button as claimed in claim 1, is characterized in that: described by being provided with the chute slided for shifting block in axle, its top is vertical guide groove, and its underpart is oblique guide groove; When pressing by axle, shifting block slips into vertical guide groove from oblique guide groove, in order to promote block stamp one-directional rotation and static; When upspringing by axle, shifting block slips into oblique guide groove from vertical guide groove, to rotate backward and static in order to promote block stamp.
5. photoelectric key board button as claimed in claim 4, is characterized in that: the described inner core freely inserted by the top being provided with confession block stamp in axle, described chute is positioned at the sidewall of inner core.
6. photoelectric key board button as claimed in claim 4, is characterized in that: described block stamp has two shifting blocks that Central Symmetry is arranged, described two chutes by being also provided with Central Symmetry in axle and arranging.
7. the photoelectric key board button as described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: described radiated element and receiving element are placed in installing hole both sides respectively and are oppositely arranged, described light path switch is the light hole of the through block stamp of level; When pressing by axle, light hole forms the light path of radiated element and receiving element, when upspringing by axle light hole radiated element and receiving element light path upper deflecting and blocked.
8. photoelectric key board button as claimed in claim 7, is characterized in that: be provided with light conductor in described light hole.
9. the photoelectric key board button as described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterized in that: described radiated element and receiving element are placed in the homonymy of installing hole respectively, described light path switch is provided at the refractive body on block stamp; When pressing by axle, refractive body consists of the light path of radiated element and receiving element reflection, and when upspringing by axle, refractive body deflects and blocks the light path of radiated element and receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674315.4U CN205004229U (en) | 2015-08-31 | 2015-08-31 | Photoelectric type keyboard button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674315.4U CN205004229U (en) | 2015-08-31 | 2015-08-31 | Photoelectric type keyboard button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004229U true CN205004229U (en) | 2016-01-27 |
Family
ID=55161107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520674315.4U Withdrawn - After Issue CN205004229U (en) | 2015-08-31 | 2015-08-31 | Photoelectric type keyboard button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004229U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118723A (en) * | 2015-08-31 | 2015-12-02 | 东莞市名键电子科技有限公司 | Photoelectric keyboard key |
| CN106847595A (en) * | 2017-03-25 | 2017-06-13 | 东莞市集贤电子有限公司 | The vocal structure of keyboard switch |
| WO2017181313A1 (en) * | 2016-04-21 | 2017-10-26 | 东莞市名键电子科技有限公司 | Key assembly in optical mechanical keyboard |
| CN107424859A (en) * | 2017-05-05 | 2017-12-01 | 乐清市工义电子有限公司 | A kind of dust-proof, sounding optical axis keyboard and its keyboard |
| US10637470B2 (en) | 2018-01-05 | 2020-04-28 | Darfon Electronics Corp. | Optical keyswitch |
| US11018667B2 (en) | 2018-01-05 | 2021-05-25 | Darfon Electronics Corp. | Optical keyswitch |
| US11721500B2 (en) | 2021-04-07 | 2023-08-08 | Darfon Electronics Corp. | Keyswitch assembly and support mechanism thereof |
| US11735379B2 (en) | 2021-04-07 | 2023-08-22 | Darfon Electronics Corp. | Keyswitch assembly |
| US11770123B2 (en) | 2018-01-05 | 2023-09-26 | Darfon Electronics Corp. | Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board |
-
2015
- 2015-08-31 CN CN201520674315.4U patent/CN205004229U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118723A (en) * | 2015-08-31 | 2015-12-02 | 东莞市名键电子科技有限公司 | Photoelectric keyboard key |
| WO2017035934A1 (en) * | 2015-08-31 | 2017-03-09 | 东莞市名键电子科技有限公司 | Photoelectric keyboard button |
| WO2017181313A1 (en) * | 2016-04-21 | 2017-10-26 | 东莞市名键电子科技有限公司 | Key assembly in optical mechanical keyboard |
| CN106847595A (en) * | 2017-03-25 | 2017-06-13 | 东莞市集贤电子有限公司 | The vocal structure of keyboard switch |
| CN107424859A (en) * | 2017-05-05 | 2017-12-01 | 乐清市工义电子有限公司 | A kind of dust-proof, sounding optical axis keyboard and its keyboard |
| US10637470B2 (en) | 2018-01-05 | 2020-04-28 | Darfon Electronics Corp. | Optical keyswitch |
| US11018667B2 (en) | 2018-01-05 | 2021-05-25 | Darfon Electronics Corp. | Optical keyswitch |
| US11108393B2 (en) | 2018-01-05 | 2021-08-31 | Darfon Electronics Corp. | Optical keyswitch triggered by support mechanism having at least one rotatable frame enable a protrusion to move along with a key cap |
| US11770123B2 (en) | 2018-01-05 | 2023-09-26 | Darfon Electronics Corp. | Optical keyswitch comprising a keycap having a light transmission area and a keycap projection area projected on a circuit board |
| US11855624B2 (en) | 2018-01-05 | 2023-12-26 | Darfon Electronics Corp. | Optical switch comprising a movable member to rotate in response to movement of a support mechanism to change the intensity of received optical signal |
| US11721500B2 (en) | 2021-04-07 | 2023-08-08 | Darfon Electronics Corp. | Keyswitch assembly and support mechanism thereof |
| US11735379B2 (en) | 2021-04-07 | 2023-08-22 | Darfon Electronics Corp. | Keyswitch assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160127 Effective date of abandoning: 20171121 |
|
| AV01 | Patent right actively abandoned |