CN105914075A - Photoelectric keyboard switch and mechanical keyboard - Google Patents

Photoelectric keyboard switch and mechanical keyboard Download PDF

Info

Publication number
CN105914075A
CN105914075A CN201610473638.6A CN201610473638A CN105914075A CN 105914075 A CN105914075 A CN 105914075A CN 201610473638 A CN201610473638 A CN 201610473638A CN 105914075 A CN105914075 A CN 105914075A
Authority
CN
China
Prior art keywords
light
pressing axis
keyboard switch
housing
striker
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.)
Granted
Application number
CN201610473638.6A
Other languages
Chinese (zh)
Other versions
CN105914075B (en
Inventor
刘芳隆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Baizhou Optical Technology Co., Ltd
Original Assignee
Shenzhen Huangzhaoming Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Huangzhaoming Technology Co Ltd filed Critical Shenzhen Huangzhaoming Technology Co Ltd
Priority to CN201610473638.6A priority Critical patent/CN105914075B/en
Priority to PCT/CN2016/087835 priority patent/WO2017219383A1/en
Publication of CN105914075A publication Critical patent/CN105914075A/en
Application granted granted Critical
Publication of CN105914075B publication Critical patent/CN105914075B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches 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
    • H01H13/83Switches 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 legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00Legends
    • H01H2219/054Optical elements
    • H01H2219/06Reflector
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00Legends
    • H01H2219/054Optical elements
    • H01H2219/062Light conductor

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Push-Button Switches (AREA)

Abstract

The invention discloses a photoelectric keyboard switch and a mechanical keyboard. The photoelectric keyboard switch comprises a PCB, a shell and a pressing shaft, wherein the pressing shaft moves up and down in the shell; the PCB is also electrically connected with a light emitting element and a light receiving element; the light emitting element and the light receiving element are oppositely arranged at two sides of the pressing shaft; the shell is provided with a reflection part and fixed with a light guide column; one part of light emitted upwardly by the light emitting element passes out of the shell via the light guide column, and the other part of light emits to the light receiving element through reflection of the reflection part; a light transmission hole is formed in the pressing shaft; and when the pressing shaft is in a down pressing state, light reflected by the reflection part passes through the light transmission hole to be received by the light receiving element, and when the pressing shaft is in a non down pressing state, light reflected by the reflection part is blocked by the pressing shaft. The photoelectric keyboard switch of the invention has the advantages of simple structure, high precision and low cost.

Description

PKB photoelectric keyboard switch and mechanical keyboard
Technical field
The present invention relates to computer fittings technical field, switch particularly to a kind of PKB photoelectric keyboard and apply this light The mechanical keyboard of key shelf switch.
Background technology
Photoswitch is to utilize object block light beam or reflect, change photoelectric sensor by light state, Thus it is switched on or switched off the device of circuit.There is the advantages such as fast response time, Shen Shou city due to photoswitch Field consumer is liked.
But existing photoswitch is typically to arrange multiple light-emitting device, a portion light-emitting device is used for The illumination of photoswitch, another part is for the signal input of photoswitch so that the entirety of photoswitch Structure is more complicated, relatively costly.
Summary of the invention
The main object of the present invention is to provide a kind of PKB photoelectric keyboard switch, it is intended to simplify PKB photoelectric keyboard switch Structure, reduces cost, and improves its precision.
For achieving the above object, the PKB photoelectric keyboard switch that the present invention proposes, including pcb board, the shell of hollow Body and pressing axis, move up and down in described pressing axis part is placed in described housing and in described housing, Described housing removably connects described PCB, and described PCB is also electrically connected with photocell and light connects Receiving element, described photocell and described light receiving element are located at the both sides of described pressing axis, institute relatively Stating housing be provided with light-reflecting portion near the side of described photocell and be fixed with light-guiding pillar, described light is sent out Penetrate the light part that element upwards penetrates and appeared described housing, another part light warp by described light-guiding pillar Described light-reflecting portion reflects and light receiving element described in directive, and described pressing axis is formed with loophole, when described When pressing axis is in pressed status, described light-reflecting portion reflection light through described loophole and by described light Reception element receives, when described pressing axis is in non-pressed status, and the light quilt of described light-reflecting portion reflection Described pressing axis stops.
Preferably, the propagation path of the light that this PKB photoelectric keyboard switch reflects in described light-reflecting portion also sets up Collecting lens, described collecting lens is had to be connected to the lower end of described light-guiding pillar.
Preferably, described housing or described pressing axis alternative one have chute, and another in the two has Slide rail, described slide rail snaps in described chute.
Preferably, described housing is formed with the first cavity volume and the second cavity volume being connected, described pressing axis portion Partial volume is placed in described first cavity volume, and described light-guiding pillar is placed in described second cavity volume, described light-reflecting portion It is formed at the cavity wall of described second cavity volume.
Preferably, described photocell and described light receiving element are both secured to the upper table of described pcb board Face, and it is positioned at described first cavity volume and space that described second cavity volume is surrounded.
Preferably, the lower end of described pressing axis offers mounting groove, and this PKB photoelectric keyboard switch also includes striker And it being sheathed on the first elastic component of described striker, the upper end of described striker and described first elastic component is all stretched into In described mounting groove, the bottom of described first cavity volume is provided with framework, and the lower end of described striker is limited in institute Stating in framework, the lower end of described first elastic component is connected to the upper end of described framework.
Preferably, the lower end of described striker offers stopper slot, and this PKB photoelectric keyboard switch also includes the second bullet Property part, described second elastic component one end abut described stopper slot cell wall, the other end abut described first hold The diapire in chamber, the lower sides of described striker is additionally provided with projection, and the sidewall of described framework offers slideway, Described installation of slide track has guiding surface, described projection to be inserted in described slideway;The upper end of described striker sets Being equipped with abutting part, described pressing axis is arranged at intervals with two push rods in described mounting groove, when described pressing axis When being in non-pressed state, the end of described abutting part and the end abutment of described push rod, when described pressing When axle is in pressed state, described projection slides along the guiding surface of described slideway and orders about described striker and turns Dynamic, that the abutting part of described striker departs from the end of push rod described in two and inserts described in two between push rod room And clash into the roof of described mounting groove.
Preferably, the end of push rod described in two is each formed with the first abutting inclined-plane, the end of described abutting part Both sides are each formed with abutting the second abutting inclined-plane that inclined-plane matches with described first, at described pressing axis When non-pressed state, described first abuts inclined-plane abuts inclined-plane laminating with described second.
Preferably, the sidewall of described housing is formed with buckle, and described pcb board offers installing port, described Housing is arranged in described installing port body and is fastened on described pcb board by described buckle.
The present invention also proposes a kind of mechanical keyboard, switchs including multiple PKB photoelectric keyboards, and this PKB photoelectric keyboard switchs Including pcb board, the housing of hollow and pressing axis, described pressing axis part is placed in described housing also Moving up and down in described housing, removably connect described PCB, described PCB of described housing the most electrically connects It is connected to photocell and light receiving element, described photocell and described light receiving element relatively set In the both sides of described pressing axis, described housing be provided with near the side of described photocell light-reflecting portion and Being fixed with light-guiding pillar, the light part that described photocell upwards penetrates is appeared institute by described light-guiding pillar Stating housing, another part light is light receiving element, described pressing described in directive through the reflection of described light-reflecting portion Axle is formed with loophole, and when described pressing axis is in pressed status, the light of described light-reflecting portion reflection is worn Cross described loophole and received by described light receiving element, when described pressing axis is in non-pressed status, The light of described light-reflecting portion reflection is stopped by described pressing axis.
Photocell, by arranging light-reflecting portion and light-guiding pillar in housing, is sent out by technical solution of the present invention The light part gone out is conducted by light-guiding pillar and is transmitted housing, for the illumination of keyboard, another part Light is reflected by the light-reflecting portion arranged on housing, when pressing axis is in pressed state, and light-reflecting portion The light of reflection passes the loophole offered in pressing axis and is received by light receiving element, thus realizes photoelectricity The signal input of keyboard switch.The present invention PKB photoelectric keyboard switch by a light source realize keyboard illumination and Signal inputs, and simple in construction, cost is relatively low, and precision is higher, and service life is long.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below, Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, On the premise of not paying creative work, it is also possible to obtain other according to the structure shown in these accompanying drawings Accompanying drawing.
Fig. 1 is the structural representation that PKB photoelectric keyboard of the present invention switchs an embodiment;
Fig. 2 is the sectional structure schematic diagram in Fig. 1 at A-A;
Fig. 3 is the detonation configuration schematic diagram of PKB photoelectric keyboard switch in Fig. 1;
Fig. 4 is the detonation configuration schematic diagram at another visual angle of PKB photoelectric keyboard switch in Fig. 1;
Fig. 5 is the structural representation of the housing of PKB photoelectric keyboard of the present invention switch;
Fig. 6 is the structural representation at another visual angle of the housing of PKB photoelectric keyboard of the present invention switch;
Fig. 7 is the structural representation of the pressing axis of PKB photoelectric keyboard of the present invention switch;
Fig. 8 is the structural representation at another visual angle of the pressing axis of PKB photoelectric keyboard of the present invention switch;
Fig. 9 is the structural representation of the striker of PKB photoelectric keyboard of the present invention switch;
Figure 10 is the structural representation at another visual angle of the striker of PKB photoelectric keyboard of the present invention switch.
Drawing reference numeral illustrates:
Label Title Label Title
10 Housing 24 Overhead kick
11 First cavity volume 30 Photocell
12 Second cavity volume 40 Light receiving element
13 Light-reflecting portion 50 Light-guiding pillar
14 Framework 51 Collecting lens
141 Slideway 60 Striker
142 Guiding surface 61 Abutting part
143 Stepped hole 611 Second abuts inclined-plane
15 Buckle 62 Stopper slot
151 Through hole 63 Projection
16 Locating dowel 70 First elastic component
17 Draw-in groove 80 Second elastic component
20 Pressing axis 90 Pcb board
21 Loophole 91 Installing port
22 Mounting groove 92 Breach
23 Push rod 93 Overlap joint platform
231 First abuts inclined-plane 94 Limited mouth
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings further Explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having Make the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as upper and lower, left and right, front, After ...) it is only used for explanation phase para-position under a certain particular pose (as shown in drawings) between each parts Putting relation, motion conditions etc., if this particular pose changes, then directionality instruction is the most corresponding Ground changes therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and It is not intended that indicate or imply its relative importance or the implicit number indicating indicated technical characteristic Amount.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with Based on those of ordinary skill in the art are capable of, when conflicting or nothing occurs in the combination of technical scheme Will be understood that when method realizes that the combination of this technical scheme does not exists, the most not at the protection model of application claims Within enclosing.
The present invention proposes a kind of PKB photoelectric keyboard switch.
Incorporated by reference to seeing figures.1.and.2, in an embodiment of the present invention, this PKB photoelectric keyboard switch includes PCB Plate 90, the housing 10 of hollow and pressing axis 20, in pressing axis 20 part is placed in housing 10 and in shell Moving up and down in body 10, removably connect PCB, PCB of housing 10 is also electrically connected with photocell 30 and light receiving element 40, photocell 30 and light receiving element 40 be relatively located at pressing axis 20 Both sides, housing 10 is provided with light-reflecting portion 13 near the side of photocell 30 and is fixed with light-guiding pillar 50, the light part that photocell 30 upwards penetrates is appeared housing 10 by light-guiding pillar 50, another portion Light splitter reflects and directive light receiving element 40 through light-reflecting portion 13, and pressing axis 20 is formed with loophole 21, When pressing axis 20 is in pressed status, the light of light-reflecting portion 13 reflection is connect through loophole 21 by light Receiving element 40 to receive, when pressing axis 20 is in non-pressed status, the light of light-reflecting portion 13 reflection is pressed Last item 20 stops.
Housing 10 can use the acryl of optical grade or plastic material to produce system by integrated injection molding mode Become.Light-reflecting portion 13 can be a part for housing 10 self structure, and it can become in housing 10 double-shot moulding After type completes, the shell wall in light-reflecting portion 13 region corresponding to housing 10 carries out surface process, forms glossiness High surfaces is to reflex to light receiving element 40 by the some light that photocell 30 upwards penetrates.Certainly Light-reflecting portion 13 can also be and the parts of housing 10 phase independence, and it can be the lucite being separately provided Eyeglass or other reflective parts, and after housing 10 has been molded, light-reflecting portion 13 passes through adhesive means It is attached on the sidewall of housing 10.Preferably integrated with housing 10 side of the light-reflecting portion 13 of the present embodiment Formula, utilizes housing 10 material self character and carries out Surface Machining formation light-reflecting portion 13, producing into save This.Light-reflecting portion 13 can be in arc shape, its some light upwards penetrated by photocell 30 anti- There is when being incident upon light receiving element 40 certain spotlight effect.
Light-guiding pillar 50 can be transparent PC material, and housing 10 is appeared in the upper end of light-guiding pillar 50, with by light The some light that radiated element 30 upwards sends transfers out housing 10.Pressing axis 20 can use nontransparent material The plastics of matter are produced by injection molding manner and make, pressing axis 20 appear the part of housing 10 can connect have by The keycap (not shown) of key, the light upwards conducting out by light-guiding pillar 50 can realize the illumination of button, As illuminated the letter mark on keycap, the gap between adjacent key is illuminated, is convenient for people to use While, too increase the aesthetic feeling of the keyboard with this PKB photoelectric keyboard switch.Pressing axis 20 is opened in the middle part of it If running through the loophole 21 of its main body, the opening shape of loophole 21 can be for circular, square or other are many Limit shape shape, the round of the light of the present embodiment light-reflecting portion 13 reflection is positioned at horizontal plane, loophole 21 Axis be also the straight line in horizontal plane, under pressing axis 20 is in non-pressed status, loophole 21 In the top in light-reflecting portion 13 luminous reflectance path, the light of light-reflecting portion 13 reflection is pressed axle 20 to be stopped, light Receiving element 40 and fail to receive the light that photocell 30 sends, this switch no signal inputs.When When pressing pressing axis 20, the axis of loophole 21 overlaps with the round of the light that light-reflecting portion 13 reflects, Light receiving element 40 can receive the light that photocell 30 sends, and this switch realizes signal input.
The present embodiment photocell 30 can be LED (as monochromatic LED lamp, dual-colored LED lamp, RGB three-color LED light).Light receiving element 40 can be that infrared receiving tube, i.e. light receiving element 40 pass through Receive black light and realize switching signal input, now can be sticked at least in the LED of light reflection element Two luminescence chips, one of them luminescence chip sends the visible ray illumination for keyboard, and another can be sent out Go out black light (such as infrared ray) be irradiated to light receiving element 40 realize this switch signal input.Certainly, The present embodiment light receiving element 40 can also use the structure of approximation photosensitive receiving tube, can receive light emission unit The all band light that part 30 sends, it is achieved the signal input of switch.
Light, by arranging light-reflecting portion 13 and light-guiding pillar 50 in housing 10, is sent out by technical solution of the present invention Penetrate the light part that element 30 sends to be conducted by light-guiding pillar 50 and transmit housing 10, for keyboard Illumination, another part light is reflected, in pressing axis by the light-reflecting portion 13 arranged on housing 10 20 when being in pressed state, and the light of light-reflecting portion 13 reflection is through the loophole 21 offered in pressing axis 20 And received by light receiving element 40, thus realize the signal input of PKB photoelectric keyboard switch.The photoelectricity of the present invention Keyboard switch realizes keyboard illumination by a light source and signal inputs, simple in construction, and cost is relatively low, and And precision is higher, service life is long.
Incorporated by reference to reference to Fig. 2 to Fig. 4, in order to improve the sensitivity of this PKB photoelectric keyboard switch, this PKB photoelectric keyboard Switch reflects in light-reflecting portion 13 and is additionally provided with collecting lens 51 on the propagation path of light, collecting lens 51 It is connected to the lower end of light-guiding pillar 50.
Collecting lens 51 can be with light-guiding pillar 50 integrated injection molding, and certain collecting lens 51 can also be independent Arrange, and be connected with the lower end of light-guiding pillar 50 by gluing or hot melting way.Owing to light-reflecting portion 13 is passed through The some light that photocell 30 sends is reflexed to light receiving element 40 by direct reflection mode, and minute surface is anti- During penetrating, light has certain dispersibility, probably due to light ray energy makes the most by force cost switches uses process In the insensitive problem of signal in input process occurs, collecting lens 51 is located at light-reflecting portion 13 by the present embodiment On the propagation path of reflection light, converging the light of light-reflecting portion 13 reflection, raising reflexes to light and connects Receive the energy of the light of element 40, thus improve the sensitivity in signal input process of this switch.
Incorporated by reference to reference Fig. 1, Fig. 2 and Fig. 5, housing 10 is formed with the first cavity volume 11 He being connected Second cavity volume 12, pressing axis 20 part is placed in the first cavity volume 11, and light-guiding pillar 50 is placed in the second appearance In chamber 12, light-reflecting portion 13 is formed at the cavity wall of the second cavity volume 12.
Light-reflecting portion 13 is formed at the cavity wall of the second cavity volume 12 and is positioned at the inside of housing 10, instead by the present embodiment Light portion 13 is in the space of a relative closure, light-reflecting portion 13 switch use during be not easy because of Foreign body enters and adheres to pollution, it can be ensured that switch continues normal work.
Photocell 30 and light receiving element 40 are both secured to pcb board 90, and are positioned at housing 10 He In the space that PCB is surrounded.Specifically, the light out part of photocell 30 divides and is positioned at the second cavity volume 12 In, light receiving element 40 is positioned at the first cavity volume 11, by by photocell 30 and light receiving element 40 are located in airtight space, and photocell 30 and light receiving element 40 so can be avoided in switch work Disturbed by extraneous foreign body during work, extended the normal service life of switch.
Refer to Fig. 2 to Fig. 6, the bottom of the first cavity volume 11 is provided with framework 14, pressing axis 20 times End offers mounting groove 22, and this PKB photoelectric keyboard switch also includes striker 60 and is sheathed on the first of striker 60 Elastic component 70, the upper end of striker 60 and the first elastic component 70 is all stretched in mounting groove 22, striker 60 Lower end is limited in described framework 14, and the lower end of the first elastic component 70 abuts the upper end of framework 14.
First elastic component 70 can be spring.This PKB photoelectric keyboard switchs the first elastic component 70 and is constantly in compression State, the upper end of the first elastic component 70 abuts the upper wall of mounting groove 22, and its lower end abuts the upper of framework 14 End.Framework 14 is surrounded by the baffle plate (sign) of two diapires being fixedly connected on the first cavity volume 11, Baffle plate approximation " L " shape, two baffle plates are oppositely arranged, in order to realize the fixing of the first elastic component 70 lower end, The present embodiment sinks to being formed with stepped hole 143 (ginseng Fig. 6), the first elastic component 70 in the upper end of framework 14 Lower end be now positioned at draw-in groove 17, then during 20 times pressures of pressing axis, the first elastic component 70 is difficult to partially Shifting can keep vertical state, the pressure down of pressing axis 20 and upspring process ratio smoothly.Due to the first elastic component 70 are constantly in compressive state, incorporated by reference to reference to Fig. 1, Fig. 3 and Fig. 4, the present embodiment housing 10 also in The cavity wall of the first cavity volume 11 offers through hole 151, and arranges overhead kick 24 at the sidewall of pressing axis 20, The non-pressed status of pressing axis 20, overhead kick 24 abuts the hole wall of through hole 151, and pressing axis 20 can be avoided The first cavity volume 11 is ejected under one elastic component 70 elastic force effect.
Incorporated by reference to referring to figs. 1 through Fig. 4 and Fig. 9 and Figure 10, the lower end of striker 60 offers stopper slot 62, this PKB photoelectric keyboard switch also includes that the second elastic component 80, one end of the second elastic component 80 stretch into stopper slot 62 and abut the roof of stopper slot 62, the other end abuts the diapire of the second cavity volume 12, the bottom of striker 60 Sidewall is additionally provided with projection 63, and the sidewall of framework 14 offers slideway 141, and slideway 141 is formed with guiding Inclined-plane 142, projection 63 is inserted in slideway 141;The upper end of striker 60 is provided with abutting part 61, presses Last item 20 is arranged at intervals with two push rods 23 (ginseng Fig. 7 and Fig. 8) in mounting groove 22, when pressing axis 20 When being in non-pressed state, the end of abutting part 61 and the end abutment of push rod 23, at pressing axis 20 When pressed state, projection 63 slides along the guiding surface 142 of slideway 141 and orders about striker 60 and rotates, The abutting part 61 of striker 60 departs from two push rods 23 and inserts the room between two push rods 23 and clash into installation The roof of groove 22.
The present embodiment is additionally provided with locating dowel 16 in framework 14, and the second elastic component 80 is stage clip, under it End is sheathed on locating dowel 16.After depressing pressing axis 20 each time, the push rod 23 of pressing axis 20 promotes and hits The abutting part 61 of pin 60 makes striker 60 move down, and the projection 63 of striker 60 is then along the guiding of slideway 141 Inclined-plane 142 slides, projection 63 thus order about striker 60 and rotate.In striker 60 rotation process, abut Portion 61 and the dislocation of two push rods 23 depart from, and abutting part 61 is moment under the elastic force of the second elastic component 80 drives The roof inserting the room between two push rods 23 and clash into mounting groove 22, thus send clear and melodious shock Sound so that this PKB photoelectric keyboard switch in use has higher recreation experience.
Please further in conjunction with reference to Fig. 2, Fig. 9 and Figure 10, the end of two push rods 23 is each formed with the first abutting Inclined-plane 231, the both sides, end of abutting part 61 are each formed with abutting second that inclined-plane 231 matches with first Abutting inclined-plane 611, when pressing axis 20 is in non-pressed state, first abuts inclined-plane 231 supports with second Connect inclined-plane 611 to fit.When pressing axis 20 is in pressed state, abut inclined-plane 231 and the by first Two abut inclined-plane 611 produces slip relatively so that striker 60 dislocation rotates and resilience is reset to initial position Process is more smooth and easy.
This PKB photoelectric keyboard switch is smooth and easy in pressing process holding action in order to ensure pressing axis 20, housing 10 Or described pressing axis 20 alternative one has chute (not shown), another in the two has slide rail (not Diagram), slide rail snaps in described chute.Specifically, can be in the cavity wall of the first cavity volume 11 of housing 10 Form chute, form slide rail, chute and the bearing of trend of slide rail and pressing axis in the lateral wall of pressing axis 20 The direction of motion of 20 is identical.By chute and the cooperation of slide rail, quilt during 20 times pressures of pressing axis can be avoided The cavity wall of housing 10 is blocked, and pressing operation is more smooth and easy.
Incorporated by reference to reference to Fig. 3 to Fig. 5, the sidewall of housing 10 is formed with buckle 15, and pcb board 90 is offered There are installing port 91, housing 10 to be arranged in installing port 91 body and are fastened on described pcb board by buckle 15 90.The present embodiment is formed with the breach 92 matched with photocell 30 in the side of installing port 91, And pcb board 90 is extended with overlap joint platform 93 in installing port 91, overlap joint platform 93 both sides form limited mouth 94, light receiving element 40 is attached at the upper surface of overlap joint platform 93.Housing 10 is in the first cavity volume 11 times Portion's shell wall is formed with draw-in groove 17, and during housing 10 is installed on pcb board 90, overlap joint platform 93 blocks Entering in draw-in groove 17, the two side of draw-in groove 17 is limited in limited mouth 94, by above fit structure, makes Obtain housing 10 more firm with the attachment structure of pcb board 90, and dismount more convenient.
The present invention also proposes a kind of mechanical keyboard, and this mechanical keyboard includes that multiple PKB photoelectric keyboard switchs, this light The concrete structure of key shelf switch is with reference to above-described embodiment, owing to mechanical keyboard have employed above-mentioned all enforcement Whole technical schemes of example, the most at least have that the technical scheme of above-described embodiment brought is all useful Effect, this is no longer going to repeat them.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, Every under the inventive concept of the present invention, utilize the equivalent structure that description of the invention and accompanying drawing content are made Conversion, or directly/be indirectly used in other relevant technical fields and be included in the patent protection model of the present invention In enclosing.

Claims (10)

1. PKB photoelectric keyboard switch, including pcb board, the housing of hollow and pressing axis, described presses Moving up and down in last item part is placed in described housing and in described housing, described housing removably connects Described PCB, it is characterised in that described PCB is also electrically connected with photocell and light-receiving unit Part, described photocell and described light receiving element are located at the both sides of described pressing axis, described shell relatively Body is provided with light-reflecting portion and is fixed with light-guiding pillar near the side of described photocell, described light emission unit The light part that part upwards penetrates is appeared described housing by described light-guiding pillar, and another part light is through described Light-reflecting portion reflects and light receiving element described in directive, and described pressing axis is formed with loophole, when described pressing When axle is in pressed status, described light-reflecting portion reflection light through described loophole and by described light-receiving Element receives, and when described pressing axis is in non-pressed status, the light of described light-reflecting portion reflection is described Pressing axis stops.
2. PKB photoelectric keyboard switch as claimed in claim 1, it is characterised in that this PKB photoelectric keyboard switch exists Being additionally provided with collecting lens on the propagation path of the light of described light-reflecting portion reflection, described collecting lens connects Lower end in described light-guiding pillar.
3. PKB photoelectric keyboard switch as claimed in claim 1, it is characterised in that described housing or described press Last item alternative one has chute, and another in the two has slide rail, and described slide rail snaps in described chute.
4. PKB photoelectric keyboard switch as claimed in claim 1, it is characterised in that described housing is formed with phase First cavity volume of connection and the second cavity volume, described pressing axis part is placed in described first cavity volume, described Light-guiding pillar is placed in described second cavity volume, and described light-reflecting portion is formed at the cavity wall of described second cavity volume.
5. PKB photoelectric keyboard switch as claimed in claim 4, it is characterised in that described photocell and Described light receiving element is both secured to the upper surface of described pcb board, and is positioned at described first cavity volume and described In the space that second cavity volume is surrounded.
6. PKB photoelectric keyboard switch as claimed in claim 4, it is characterised in that the lower end of described pressing axis Offering mounting groove, this PKB photoelectric keyboard switch also includes striker and is sheathed on the first elastic component of described striker, The upper end of described striker and described first elastic component is all stretched in described mounting groove, the end of described first cavity volume Portion is provided with framework, and the lower end of described striker is limited in described framework, the lower end of described first elastic component It is connected to the upper end of described framework.
7. PKB photoelectric keyboard switch as claimed in claim 6, it is characterised in that the lower end of described striker is opened Being provided with stopper slot, this PKB photoelectric keyboard switch also includes that the second elastic component, described second elastic component one end abut The cell wall of described stopper slot, the other end abuts the diapire of described first cavity volume, the lower sides of described striker Being additionally provided with projection, the sidewall of described framework offers slideway, and described installation of slide track has guiding surface, institute State projection to be inserted in described slideway;The upper end of described striker is provided with abutting part, and described pressing axis is in institute Two push rods it are arranged at intervals with in stating mounting groove, when described pressing axis is in non-pressed state, described abutting The end in portion and the end abutment of described push rod, when described pressing axis is in pressed state, described projection Guiding surface along described slideway slides and orders about described striker and rotates, and the abutting part of described striker departs from two The end of described push rod and insert described in two the room between push rod and clash into the roof of described mounting groove.
8. PKB photoelectric keyboard switch as claimed in claim 7, it is characterised in that the end of push rod described in two Being each formed with the first abutting inclined-plane, the both sides, end of described abutting part are each formed with abutting with described first tiltedly The the second abutting inclined-plane matched in face, when described pressing axis is in non-pressed state, described first abuts Inclined-plane abuts inclined-plane laminating with described second.
9. PKB photoelectric keyboard switch as claimed in claim 1, it is characterised in that the sidewall shape of described housing Becoming to have buckle, described pcb board to offer installing port, described housing is arranged in described installing port and passes through institute State buckle and be fastened on described pcb board.
10. a mechanical keyboard, it is characterised in that include multiple such as claim 1 to 9 any one Described PKB photoelectric keyboard switch.
CN201610473638.6A 2016-06-24 2016-06-24 PKB photoelectric keyboard switch and mechanical keyboard Active CN105914075B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610473638.6A CN105914075B (en) 2016-06-24 2016-06-24 PKB photoelectric keyboard switch and mechanical keyboard
PCT/CN2016/087835 WO2017219383A1 (en) 2016-06-24 2016-06-30 Photoelectric keyboard switch and mechanical keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610473638.6A CN105914075B (en) 2016-06-24 2016-06-24 PKB photoelectric keyboard switch and mechanical keyboard

Publications (2)

Publication Number Publication Date
CN105914075A true CN105914075A (en) 2016-08-31
CN105914075B CN105914075B (en) 2018-02-06

Family

ID=56758632

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610473638.6A Active CN105914075B (en) 2016-06-24 2016-06-24 PKB photoelectric keyboard switch and mechanical keyboard

Country Status (2)

Country Link
CN (1) CN105914075B (en)
WO (1) WO2017219383A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106373813A (en) * 2016-11-22 2017-02-01 东莞市旭田电子有限公司 Infrared transmitting tube and visible integrated tube and optical-axis keyboard
CN106411308A (en) * 2016-11-30 2017-02-15 东莞市凯虹电子科技有限公司 Light triggered mechanical keyboard switch
CN106571257A (en) * 2016-09-30 2017-04-19 东莞市名键电子科技有限公司 Photoelectric mechanical switch and keyboard button composition
CN106887358A (en) * 2017-04-07 2017-06-23 东莞市名键电子科技有限公司 Scissor leg structure button and its switching device, and using the keyboard of the button
CN107424857A (en) * 2017-09-04 2017-12-01 东莞市高特电子有限公司 A kind of thin shaft mechanical keyboard switch of photoelectricity
CN108172441A (en) * 2016-12-07 2018-06-15 原相科技股份有限公司 The general-purpose circuit board of mechanical key and optical profile type button can be compatible with
WO2018107356A1 (en) * 2016-12-12 2018-06-21 深圳市煌兆铭科技有限公司 Photoelectric mechanical switch, mechanical keyboard and accelerated execution method
CN109524264A (en) * 2019-01-15 2019-03-26 惠州市弘宝电器有限公司 A kind of key switch
CN109617546A (en) * 2019-01-18 2019-04-12 深圳市源隆光学科技有限公司 Keyboard
CN111599621A (en) * 2020-04-21 2020-08-28 东莞市禾金电子科技有限公司 Novel noise-free clean mechanical optical axis key with double springs

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109801805A (en) * 2019-03-11 2019-05-24 深圳前海酷思创新科技有限公司 Activity external member, key switch, keyboard and activity external member processing unit (plant) and processing method
TWI669738B (en) * 2019-04-01 2019-08-21 達方電子股份有限公司 keyboard
JP7040490B2 (en) * 2019-04-04 2022-03-23 オムロン株式会社 Switch device and key input device
CN112816824A (en) * 2021-02-08 2021-05-18 宏翎电气科技(上海)有限公司 Monitoring device and monitoring method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010055981A (en) * 2008-08-29 2010-03-11 Nippon Seiki Co Ltd Illuminated push-button switch structure
CN204539108U (en) * 2015-02-27 2015-08-05 东莞市长资实业有限公司 A kind of photoelectric integral type mechanical axis keyboard switch module
CN104966636A (en) * 2015-06-16 2015-10-07 郝小妮 Split-type light-guide key switch and mechanical keyboard
CN105118723A (en) * 2015-08-31 2015-12-02 东莞市名键电子科技有限公司 Photoelectric keyboard key
CN205845793U (en) * 2016-06-24 2016-12-28 深圳市煌兆铭科技有限公司 PKB photoelectric keyboard switch and mechanical keyboard

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010267203A (en) * 2009-05-18 2010-11-25 Alps Electric Co Ltd Keyboard device
CN102053710A (en) * 2010-12-23 2011-05-11 苏州茂立光电科技有限公司 Keyboard device
TWI474216B (en) * 2012-12-19 2015-02-21 Primax Electronics Ltd Keyboard device with luminous key
CN105006396A (en) * 2015-07-13 2015-10-28 东莞市美光达光学科技有限公司 Switch module of ultrathin reflective computer input equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010055981A (en) * 2008-08-29 2010-03-11 Nippon Seiki Co Ltd Illuminated push-button switch structure
CN204539108U (en) * 2015-02-27 2015-08-05 东莞市长资实业有限公司 A kind of photoelectric integral type mechanical axis keyboard switch module
CN104966636A (en) * 2015-06-16 2015-10-07 郝小妮 Split-type light-guide key switch and mechanical keyboard
CN105118723A (en) * 2015-08-31 2015-12-02 东莞市名键电子科技有限公司 Photoelectric keyboard key
CN205845793U (en) * 2016-06-24 2016-12-28 深圳市煌兆铭科技有限公司 PKB photoelectric keyboard switch and mechanical keyboard

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106571257B (en) * 2016-09-30 2019-01-22 东莞市名键电子科技有限公司 Photo-electric mechanical switch and keyboard composition
CN106571257A (en) * 2016-09-30 2017-04-19 东莞市名键电子科技有限公司 Photoelectric mechanical switch and keyboard button composition
CN106373813A (en) * 2016-11-22 2017-02-01 东莞市旭田电子有限公司 Infrared transmitting tube and visible integrated tube and optical-axis keyboard
CN106411308A (en) * 2016-11-30 2017-02-15 东莞市凯虹电子科技有限公司 Light triggered mechanical keyboard switch
CN108172441B (en) * 2016-12-07 2019-05-31 原相科技股份有限公司 The general-purpose circuit board of mechanical key Yu optical profile type key can be compatible with
CN108172441A (en) * 2016-12-07 2018-06-15 原相科技股份有限公司 The general-purpose circuit board of mechanical key and optical profile type button can be compatible with
WO2018107356A1 (en) * 2016-12-12 2018-06-21 深圳市煌兆铭科技有限公司 Photoelectric mechanical switch, mechanical keyboard and accelerated execution method
CN106887358A (en) * 2017-04-07 2017-06-23 东莞市名键电子科技有限公司 Scissor leg structure button and its switching device, and using the keyboard of the button
CN107424857A (en) * 2017-09-04 2017-12-01 东莞市高特电子有限公司 A kind of thin shaft mechanical keyboard switch of photoelectricity
CN109524264A (en) * 2019-01-15 2019-03-26 惠州市弘宝电器有限公司 A kind of key switch
CN109617546A (en) * 2019-01-18 2019-04-12 深圳市源隆光学科技有限公司 Keyboard
CN111599621A (en) * 2020-04-21 2020-08-28 东莞市禾金电子科技有限公司 Novel noise-free clean mechanical optical axis key with double springs
CN111599621B (en) * 2020-04-21 2022-11-11 东莞市禾金电子科技有限公司 Noise-free clean mechanical optical axis key with double springs

Also Published As

Publication number Publication date
WO2017219383A1 (en) 2017-12-28
CN105914075B (en) 2018-02-06

Similar Documents

Publication Publication Date Title
CN105914075A (en) Photoelectric keyboard switch and mechanical keyboard
US8884174B2 (en) Locally illuminated keycap
CN105913783B (en) Light guide and light emitting device
WO2016112843A1 (en) Light-emitting keyboard switch
CN101622586B (en) Lighting device and display device including the same
US9112505B2 (en) Illuminated capacitive switch button
CN205845793U (en) PKB photoelectric keyboard switch and mechanical keyboard
CN203377146U (en) Backlight device and illuminating keyboard using backlight device
KR101181151B1 (en) Channel sign with various expression of side lighting
CN201689803U (en) Button switch
CN102419622A (en) Computer shell
CN201270214Y (en) Illuminating key structure
CN210529287U (en) Operation panel and clothes treatment device with same
CN203085108U (en) Identifying and lighting structure on front housing of television
CN102314203A (en) Enclosure construction and combined structure of enclosure construction and input device
CN210743834U (en) Intelligent socket and switch button thereof
CN101908426A (en) Inductive key and electronic device with same
TWM474107U (en) Mark glowing structure
CN201689802U (en) Elevator press-button
CN201541403U (en) Hidden control panel and stereoscopic multi-media player thereof
CN201758091U (en) Luminous keyboard
CN201302151Y (en) Household electric appliance with low-cost light transmission structure
CN201681747U (en) Light guide structure of light emitting keyboard
CN201156383Y (en) Light emitting label
JP2016112161A (en) Illumination type press switch for game machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190628

Address after: 518000 No. 5, Eling Road, Liulian Community, Pingdi Street, Longgang District, Shenzhen City, Guangdong Province

Patentee after: SHENZHEN SOURCE LUNG OPTICAL TECHNOLOGY CO., LTD.

Address before: 518000 2nd Floor, Building A1, Jindi Da Science Park, Langkou Industrial Zone, Dalang Street, Longhua New District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen Huangzhaoming Technology Co., LTd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200423

Address after: 518000 No.5, egongling Industrial Zone, Liulian community, Pingdi street, Longgang District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Baizhou Optical Technology Co., Ltd

Address before: 518000 No. 5, six Ling community road, Pingdi street, Longgang District, Shenzhen, Guangdong

Patentee before: SHENZHEN SOURCE LUNG OPTICAL TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right