CN104392861A - Small mechanical keyboard switch - Google Patents
Small mechanical keyboard switch Download PDFInfo
- Publication number
- CN104392861A CN104392861A CN201410705735.4A CN201410705735A CN104392861A CN 104392861 A CN104392861 A CN 104392861A CN 201410705735 A CN201410705735 A CN 201410705735A CN 104392861 A CN104392861 A CN 104392861A
- Authority
- CN
- China
- Prior art keywords
- moved end
- hole slot
- base
- led
- keyboard switch
- 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
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a small mechanical keyboard switch. The small mechanical keyboard switch comprises a base, the top end of the base is provided with a cover plate; the inner bottom surface of the base protrudes upwards and is provided with a locating shaft; the locating shaft is sleeved with a spring; the top end of the spring is provided with a central spindle; the base is provided with a fixed terminal, a movable terminal, and a LED lamp; both the fixed terminal and the movable terminal are in horizontal structures; the movable terminal comprises a movable contact pin and a movable contact ring which is connected at the upper portion of the movable contact pin; the surface of the movable contact ring close to the fixed terminal is provided with a movable terminal contact; the fixed terminal comprises a fixed contact pin; the top end of the fixed contact pin is connected with a spacing table; the spacing table protrudes upwards and is provided with a fixed hook; and the fixed hook is provided with a fixed terminal contact. By the movable terminal configuration of the annular movable contact ring structure, the purpose of greatly reducing the height of the product can be achieved by comparing with the conventional movable contact piece structure; the contact piece is in horizontal structure; the transverse space is used for increasing the force arm of the spring piece, thereby increasing the elastic coefficient, the service life, and the stability; the small mechanical keyboard switch is compact in structure, convenient in machining and assembling; therefore the product is miniaturized; and the consumers like the product more.
Description
Technical field
The present invention relates to a kind of compact conformation, working stability, there is the small-sized machine keyboard switch that horizontal type moves contact ring structure.
Background technology
Chinese Patent Application No.: 201320172454.8, disclose a kind of mechanical keyboard switch, comprise keyseat, handle and upper cover, there is in keyseat a cavity, in keyseat, low side is convexly equipped with reference column, reference column is provided with location notch, location notch is connected with a back-moving spring, back-moving spring one end is connected with reference column, the other end is connected with handle, upper cover and keyseat fasten formation one cavity, quiet contact chip and moving contacting plate is provided with in cavity, quiet contact chip comprises integrated weldment and contact, moving contacting plate comprises fixture and weldment, the two through hole that the weldment of quiet contact chip and the weldment of moving contacting plate are arranged by keyseat from inner chamber stretches out.
Chinese Patent Application No.: 201420224704.2, disclose a kind of mistake proofing formula plug-in unit full-color LED lamp mechanical keyboard switch, comprise a base, base top is provided with upper cover, and upper cover front end is provided with full-color LED lamp, and full-color LED lamp connects multiple lamp base by a lamp holder and forms, lamp holder comprises an Anti-dislocation position limiting structure, be provided with hemispherical crystal in the middle part of Anti-dislocation position limiting structure, Anti-dislocation position limiting structure is four-prism structure, and the Anti-dislocation position limiting structure back side is convexly equipped with the spacing cambered surface of mistake proofing.
Chinese Patent Application No.: 201220068288.2, disclose a kind of miniature keyboard switch, include pedestal, upper cover, static contact, movable contact spring and push button element, this upper cover and pedestal enclose formation containing cavity, this static contact and movable contact spring are arranged in containing cavity, this static contact includes the contact site of one-body molded connection, fixed part and weld part, this movable contact spring includes the contact site being integrally formed connection, elasticity bending part, fixed part and weld part, the elasticity bending part of this movable contact spring in the bottom of the fixed part of movable contact spring after downward-extension inverse bending extend, the both sides of the contact site of this movable contact spring are all extended towards static contact tilting bending pusher arm, and the contact site of this movable contact spring is provided with moving contact, and this push button element comprises main part, this main part extends outward towards the side wall surface of movable contact spring and coordinates just right guide ramp with the pusher arm of the contact site of movable contact spring, and this guide ramp extends to the bottom surface of sidewall obliquely.
Foregoing invention creates complex structure, the above two moving contacting plates are and upwards extend rear bending again to the structure of downward-extension from haptic element/weldment top, length is oversize, overall structure is made not have a microminiaturization, though the latter has carried out certain improvement to movable contact spring, still for erectting installing type, cannot fundamentally realize declining to whole height, and the overall arm of force is too short, fatigue is easily caused to lose function.
Summary of the invention
The object of the invention is to, overcome the above-mentioned defect of prior art, provide a kind of compact conformation, working stability, there is the small-sized machine keyboard switch that horizontal type moves contact ring structure.
For achieving the above object, technical scheme provided by the invention is as follows: a kind of small-sized machine keyboard switch, comprise a base, base top is provided with cover plate, base inner bottom surface is convex is provided with locating shaft, locating shaft is arranged with spring, spring top is provided with axle core, base is provided with static terminal, moved end and LED, moved end and static terminal are horizontal type structure, the dynamic contact ring that moved end attached bag is drawn together a movable palping foot and connected on movable palping foot top, dynamic contact ring nearly static terminal face is provided with dynamic terminal contact, static terminal comprises a static palping foot, static palping foot top is connected with limiting stand, limiting stand is convex is provided with fixing snap fit, fixing snap fit is provided with static terminal contact.
Dynamic contact ring has cyclic spring, is provided with some feels realizes boss in dynamic contact ring one side.
Base front side wall the inner is provided with the firm hole slot of the sub-haptic element in moved end and the firm hole slot of moved end, the movable palping foot of moved end is arranged in the firm hole slot of moved end and also extends to below base through the firm hole slot of moved end again, the fixing feet of moved end is inserted in the firm hole slot of moved end, between the firm hole slot of moved end and the firm hole slot of moved end, be provided with static terminal haptic element hole slot, the static palping foot of static terminal is inserted in static terminal haptic element hole slot.
LED and its switch are set to integral structure, extend many stitch bottom LED, can realize multiple lamp chromatic effect; LED side is provided with lamp body Anti-misplug chamfering.
Base side wall is provided with the firm hole slot of LED, is provided with LED Anti-misplug chamfering in the firm hole slot sidewall of LED.
Have inner fovea part to be LED side opening groove on rear side of cover plate, LED side opening groove sidewall is provided with cover plate Anti-misplug chamfering.
Axle core end face is provided with the keycap be connected with outside keycap and connects hole slot, is provided with some keyboards and leads solid boss in keycap connection hole slot.
Usefulness of the present invention is: the dynamic terminal construction being moved contact ring structure by ring-type, compare tradition dynamic/quiet contact chip or terminal upwards extend rear bending again to the structure of downward-extension from haptic element/weld part top, realize the object significantly reducing product height, contact chip is horizontal type structure, horizontal space is utilized to increase the shell fragment arm of force, increase coefficient of elasticity and useful life, stability, compact conformation, be convenient to assembling processing, make Realization of Product microminiaturization, realize lightening, promote development in science and technology, allow consumer be easier to carry with.
Accompanying drawing explanation
Fig. 1 is small-sized machine keyboard switch stereogram of the present invention;
Fig. 2 is small-sized machine keyboard switch explosive view of the present invention;
Fig. 3 is small-sized machine keyboard switch cutaway view of the present invention;
Fig. 4 is the size marking schematic diagram of small-sized machine keyboard switch of the present invention;
Fig. 5 is that the dynamic of small-sized machine keyboard switch of the present invention touches ring structure schematic diagram;
Fig. 6 is the base end face structural representation of small-sized machine keyboard switch of the present invention;
Fig. 7 is the axle core stereogram of small-sized machine keyboard switch of the present invention;
Fig. 8 is the axle core bottom surface structure schematic diagram of small-sized machine keyboard switch of the present invention;
Fig. 9 is the cover plate bottom surface structure schematic diagram of small-sized machine keyboard switch of the present invention.
Embodiment
Be further described with regard to technical scheme of the present invention below in conjunction with accompanying drawing and preferred embodiment.
As shown in Fig. 1-Fig. 9, a kind of small-sized machine keyboard switch of the present invention, comprise a base 1, base 1 top is provided with cover plate 2, base 1 becomes containing cavity with cover plate 2 upper and lower covers box-like, there is in base 1 cavity 11, base 1 outer wall is convexly equipped with at least 2 buckle portions 12, the fastening hole 22 of the buckle ear 21 that buckle portion 12 and cover plate 2 are arranged fastens, cover plate top offers resigning hole 20, resigning hole 20 extends in cavity 11, the firm boss 201 of the first quiet end of fixing static terminal is provided with on front side of the bottom of resigning hole 20, the firm boss 202 of second quiet end, inner fovea part is had to be LED side opening groove 203 on rear side of resigning hole 20, LED side opening groove 203 sidewall is provided with cover plate Anti-misplug chamfering 204, the middle part of base 1 inner bottom surface is convex is provided with locating shaft 3, axle core positioning hole groove 30 is had in the middle part of locating shaft 3, locating shaft 3 extends to below base 1 and forms reference column 13 from base 1, left fixed leg 16 is convexly equipped with respectively in the left and right sides, base 1 bottom, right fixed leg 17, reference column 13, left fixed leg 1 and right fixed leg 17 are convenient to base 1 and external component location and installation, base 1 also has the firm hole slot 18 of LED, LED firm hole slot 18 antetheca and Zuo Bi, You Bi junction is equipped with LED Anti-misplug chamfering 19, one LED 32 is inserted in the firm hole slot 18 of LED.
LED 32 and its switch are set to integral structure, extend four stitch 320, can realize multiple lamp chromatic effect bottom LED; LED 32 side is provided with lamp body Anti-misplug chamfering 321.
Be respectively equipped with in base 1 front side wall on locating shaft 3 and be arranged with spring 31, spring 31 top is provided with axle core 6, axle core 6 bottom is provided with axle core reference column 60, axle core 6 is provided with two keycaps and connects hole slot 65, be provided with some keyboards for fixed outer keycap in two keycaps connection hole slots 65 and lead solid boss 66, axle core 6 left and right sides is respectively equipped with side guide posts 61, two side guide posts 61 bottom convexes are provided with guide vane end stop 62, axle core front side wall bottom is provided with feel functional realiey boss 63, feel functional realiey boss 63 has to contact with moved end 6 and produces feel and the spacing function of asessory shaft core 6, side guide posts 61 and guide vane end stop 62 are combined to form " L " shape structure, axle core 6 extends to cover plate 2 surface through resigning hole 20, now, guide vane end stop 62 and feel functional realiey boss 63 are positioned at below cover plate 2 bottom or are just connected to cover plate 2 bottom.
Base 1 left side wall and right side wall the inner are respectively equipped with the firm groove of left axle core 91, the firm groove 92 of right axle core, and the both sides guide pillar 61 of axle core 6 and guide vane end stop 62 are arranged in the firm groove of left axle core 91, the firm groove 92 of right axle core when assembling.
Base 1 is also provided with moved end 5, moved end 5 and static terminal 4 are horizontal type structure, the dynamic contact ring 52 that moved end 5 comprises a movable palping foot 51 and connects on movable palping foot 51 top, dynamic touching on ring 52 is also provided with fixing feet 53, the connected mode of dynamic contact ring 52 and movable palping foot 51 is for rivet, and dynamic contact ring 52 has elasticity, and dynamic contact ring 52 is provided with two feels and realizes boss 54, nearly static terminal 4 face of dynamic contact ring 52 is provided with dynamic terminal contact 50, and dynamic terminal contact 50 is the convex cylinder of horizontally set; Static terminal 4 comprises a static palping foot 41, static palping foot 41 top is connected with limiting stand 42, and limiting stand 42 one end is connected with static palping foot 41, and the other end is connected with fixing snap fit 43, fixing snap fit 43 is provided with static terminal contact 40, and static terminal contact 40 is the convex cylinder longitudinally arranged.
Base 1 front side wall the inner is provided with the firm hole slot 70 of the sub-haptic element in moved end and the firm hole slot 72 of moved end, the movable palping foot 51 of moved end 5 is arranged in the firm hole slot 70 of moved end and also extends to below base 1 again through the firm hole slot 70 of moved end, the fixing feet 53 of moved end is inserted in the firm hole slot 72 of moved end, static terminal haptic element hole slot 71 is provided with between the firm hole slot 70 of moved end and the firm hole slot 72 of moved end, the static palping foot 41 of static terminal 4 is inserted in static terminal haptic element hole slot 71, the dynamic contact ring 52 of moved end 5 is surrounded on the outer end of static terminal haptic element hole slot 71, avoid in use, moved end 5 is not accurate with static terminal 4 contraposition.
When dynamic terminal contact 50 and static terminal contact 40 mutually touchs and abutted, moved end sub 5 is electrically connected conducting with between static terminal 4, moves terminal contact 50 and static terminal contact 40 when mutually departing from, and moved end sub 5 disconnects with being electrically connected between static terminal 4.
Further, the feel functional realiey boss 63 be positioned on axle core 6 coordinates corresponding with the dynamic contact ring 52 of moved end 5, the dynamic contact ring 52 of moved end 5 contacts on corresponding feel functional realiey boss 63, up and down and feel functional realiey boss 63 is acted on the dynamic contact ring 52 of moved end 5 by axle core 6.When axle core 6 receive spring 31 elastic force move upward time, dynamic contact ring 52 dorsad static terminal 4 moves, thus the dynamic contact ring 52 of moved end 5 is separated with the fixing snap fit 43 of static terminal 4, is disconnected the connection between dynamic terminal contact 50 and static terminal contact 40; When axle core 6 moves downward, dynamic contact ring 52 moves towards static terminal 4, thus dynamic terminal contact 50 is abutted with static terminal contact 40, the connection of conducting between moved end sub 5 and static terminal 4.
In using, the movable palping foot 51 of the static palping foot 41 of static terminal 4 and moved end 5 is welded with the external circuit board respectively and is electrically connected, under initial condition, off-state is between static terminal 4 and moved end 5, when applying active force is on axle core 6, axle core 6 moves downward, spring 31 presses down deformation, simultaneously, feel functional realiey boss 63 acts on dynamic contact ring 52, and contact ring 52 is moved to static terminal 4, thus terminal contact 50 is abutted with the static terminal contact 40 of static terminal 4, connection between conducting moved end 5 and static terminal 4, now LED 32 is shinny; When unclamping axle core 6, spring 31 acts on axle core 6, axle core 6 is moved upward, feel functional realiey boss 63 acts on dynamic contact ring 52 thereupon, now dynamic contact ring 52 dorsad static terminal 4 move, thus the dynamic contact ring 52 of moved end 5 is separated with the fixing snap fit 43 of static terminal 4, is disconnected the connection between dynamic terminal contact 50 and static terminal contact 40, under returning to the initial off-state without pressing, LED 32 is extinguished.
Further, after equipment, axle core bottom is h1=5.70mm to the distance of the lamp base bottom of LED 32, and the length of the front side wall of base 1, rear wall, left side wall, right side wall is h2=12.00mm.
Above-described is only principle of the present invention and preferred embodiment.It should be pointed out that to those skilled in the art, under the premise without departing from the principles of the invention, some modification and improvement can also be made, also should be considered as belonging to protection scope of the present invention.
Claims (7)
1. a small-sized machine keyboard switch, comprise a base, base top is provided with cover plate, base inner bottom surface is convex is provided with locating shaft, locating shaft is arranged with spring, spring top is provided with axle core, base is provided with static terminal, moved end and LED, it is characterized in that: described moved end and static terminal are horizontal type structure, moved end attached bag draws together movable palping foot and fixing contact ring fixing feet, the dynamic contact ring connected on movable palping foot top, dynamic contact ring nearly static terminal face is provided with sub-strip contact, moved end, static terminal comprises a static palping foot, static palping foot top is connected with bending and fixes limiting stand, bending fixes that limiting stand is convex is provided with fixing snap fit, fixing snap fit is provided with static terminal strip contact.
2. small-sized machine keyboard switch according to claim 1, is characterized in that: described dynamic contact ring has cyclic spring, is provided with some feels realizes boss in dynamic contact ring one side.
3. small-sized machine keyboard switch according to claim 1, it is characterized in that: described base front side wall the inner is provided with the firm hole slot of the sub-haptic element in moved end and the firm hole slot of moved end, the movable palping foot of moved end is arranged in the firm hole slot of moved end and also extends to below base through the firm hole slot of moved end again, the fixing feet of moved end is inserted in the firm hole slot of moved end, between the firm hole slot of moved end and the firm hole slot of moved end, be provided with static terminal haptic element hole slot, the static palping foot of static terminal is inserted in static terminal haptic element hole slot.
4. small-sized machine keyboard switch according to claim 1, is characterized in that: described LED and its switch are set to integral structure, extend many stitch bottom LED, can realize multiple lamp chromatic effect; LED side is provided with lamp body Anti-misplug chamfering.
5. small-sized machine keyboard switch according to claim 1, is characterized in that: described base side wall is provided with the firm hole slot of LED, is provided with LED Anti-misplug chamfering in the firm hole slot sidewall of LED.
6. small-sized machine keyboard switch according to claim 1, is characterized in that: have inner fovea part to be LED side opening groove on rear side of described cover plate, LED side opening groove sidewall is provided with cover plate Anti-misplug chamfering.
7. small-sized machine keyboard switch according to claim 1, is characterized in that: described axle core end face is provided with the keycap be connected with outside keycap and connects hole slot, is provided with some keyboards and leads solid boss in keycap connection hole slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705735.4A CN104392861B (en) | 2014-11-26 | 2014-11-26 | Small-sized machine keyboard switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705735.4A CN104392861B (en) | 2014-11-26 | 2014-11-26 | Small-sized machine keyboard switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104392861A true CN104392861A (en) | 2015-03-04 |
| CN104392861B CN104392861B (en) | 2016-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410705735.4A Active CN104392861B (en) | 2014-11-26 | 2014-11-26 | Small-sized machine keyboard switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104392861B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106158482A (en) * | 2016-06-30 | 2016-11-23 | 东莞市桥头广三兴塑胶电子厂 | A kind of multifunctional integrated machinery axle |
| CN107180719A (en) * | 2017-07-11 | 2017-09-19 | 东莞市高特电子有限公司 | One kind heavy board-like ultra-thin photoelectric mechanical keyboard switch and keyboard |
| CN107464715A (en) * | 2016-06-02 | 2017-12-12 | 技嘉科技股份有限公司 | Conducting strip component, key-press module and keyboard comprising the conducting strip component |
| CN107464710A (en) * | 2017-09-27 | 2017-12-12 | 东莞市高特电子有限公司 | A kind of square slim photoelectric mechanical keyboard switch |
| KR20190001199U (en) | 2017-11-10 | 2019-05-20 | 둥관 고우터 일렉트로닉스 컴퍼니.,리미티드 | A magnetic switch |
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| CN202454472U (en) * | 2012-02-28 | 2012-09-26 | 东莞市凯华电子有限公司 | Switch for miniature keyboard |
| US20130032457A1 (en) * | 2011-08-05 | 2013-02-07 | Coactive Technologies, Llc. | Pushbutton switch |
| CN203386635U (en) * | 2013-04-08 | 2014-01-08 | 东莞市高特电子有限公司 | Mechanical keyboard switch |
| DE102012110633A1 (en) * | 2012-11-07 | 2014-05-08 | Shanpu Co., Ltd. | Multi-function switch, has display module displaying operation of multi-direction shift element, and base circuit board connected with multi-direction shift element that is connected with display module |
| CN203799932U (en) * | 2014-05-04 | 2014-08-27 | 东莞市高特电子有限公司 | Dislocation-proof type plug-in full color LED lamp mechanical keyboard switch |
| CN204348572U (en) * | 2014-11-26 | 2015-05-20 | 东莞市高特电子有限公司 | Small-sized machine keyboard switch |
-
2014
- 2014-11-26 CN CN201410705735.4A patent/CN104392861B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130032457A1 (en) * | 2011-08-05 | 2013-02-07 | Coactive Technologies, Llc. | Pushbutton switch |
| CN202454472U (en) * | 2012-02-28 | 2012-09-26 | 东莞市凯华电子有限公司 | Switch for miniature keyboard |
| DE102012110633A1 (en) * | 2012-11-07 | 2014-05-08 | Shanpu Co., Ltd. | Multi-function switch, has display module displaying operation of multi-direction shift element, and base circuit board connected with multi-direction shift element that is connected with display module |
| CN203386635U (en) * | 2013-04-08 | 2014-01-08 | 东莞市高特电子有限公司 | Mechanical keyboard switch |
| CN203799932U (en) * | 2014-05-04 | 2014-08-27 | 东莞市高特电子有限公司 | Dislocation-proof type plug-in full color LED lamp mechanical keyboard switch |
| CN204348572U (en) * | 2014-11-26 | 2015-05-20 | 东莞市高特电子有限公司 | Small-sized machine keyboard switch |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464715A (en) * | 2016-06-02 | 2017-12-12 | 技嘉科技股份有限公司 | Conducting strip component, key-press module and keyboard comprising the conducting strip component |
| CN107464715B (en) * | 2016-06-02 | 2019-08-23 | 技嘉科技股份有限公司 | Conductive sheet component, the key module comprising the conductive sheet component and keyboard |
| CN106158482A (en) * | 2016-06-30 | 2016-11-23 | 东莞市桥头广三兴塑胶电子厂 | A kind of multifunctional integrated machinery axle |
| CN107180719A (en) * | 2017-07-11 | 2017-09-19 | 东莞市高特电子有限公司 | One kind heavy board-like ultra-thin photoelectric mechanical keyboard switch and keyboard |
| CN107464710A (en) * | 2017-09-27 | 2017-12-12 | 东莞市高特电子有限公司 | A kind of square slim photoelectric mechanical keyboard switch |
| KR20190001199U (en) | 2017-11-10 | 2019-05-20 | 둥관 고우터 일렉트로닉스 컴퍼니.,리미티드 | A magnetic switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104392861B (en) | 2016-05-11 |
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Denomination of invention: Small mechanical keyboard switch Effective date of registration: 20171221 Granted publication date: 20160511 Pledgee: China Co truction Bank Corp Dongguan Tangxia branch Pledgor: Dongguan Gaote Electronics Co., Ltd. Registration number: 2017440000189 |