CN205092842U - Reflective photoelectricity mechanical keyboard switch - Google Patents
Reflective photoelectricity mechanical keyboard switch Download PDFInfo
- Publication number
- CN205092842U CN205092842U CN201520946020.8U CN201520946020U CN205092842U CN 205092842 U CN205092842 U CN 205092842U CN 201520946020 U CN201520946020 U CN 201520946020U CN 205092842 U CN205092842 U CN 205092842U
- Authority
- CN
- China
- Prior art keywords
- base
- hole
- button
- upper cover
- fastened
- 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.)
- Expired - Fee Related
Links
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The utility model relates to a reflective photoelectricity mechanical keyboard switch, it includes LED lamp, photoelectric sensor, PCB circuit board, fixed iron plate, base, spring, shell fragment, slider, axle core and upper cover, LED lamp and photoelectric sensor all set up on the PCB circuit board, and PCB circuit board and fixed iron plate parallel arrangement, base card are established on fixed iron plate, and the annular bulge at base middle part connects soon in the round hole at PCB circuit board middle part, and the shell fragment is installed on the base, and the slider lock is on the base, and the side of slider sets up reflective patch, the axle core is protruding including lieing in the button on the same axis, square board and column, press the bond fixation setting on the top surface of square board, and the protruding fixed setting of column is on the bottom surface of square board, square lid is at the slider top surface, and annular bulge's top is passed the first centre bore at slider middle part and is connected with the one end of spring, and the other end of spring is connected with column bellied bottom. The upper cover lock is on the base, and the button passes the second centre bore at upper cover middle part.
Description
Technical field
The utility model belongs to field of photoelectric technology, is specifically related to a kind of reflection type photoelectricity mechanical keyboard switch.
Background technology
Optoelectronic switch is the abbreviation of photoelectric proximity switch, and it utilizes object blocking or reflecting light beam, and what change photoelectric sensor is subject to light state, thus is switched on or switched off the device of circuit.The optoelectronic switch initial stage is mainly used in the fields such as object detection, counting, intensity of illumination induction and colour recognition.Along with the development of photoelectron technology and the reduction of related device cost, optoelectronic switch also instead of common contact formula switch in certain fields, as some contact witch is optoelectronic switch.
Relative to common contact formula switch, optoelectronic switch has the advantage such as fast response time, long service life, but also there is following problem in existing optoelectronic switch: 1) photoelectric sensor is exposed in air and is vulnerable to dust impact, although set up the impact that dust cover is conducive to reducing dust, but set up dust cover and can reduce photosensitive property, and dust boot surface still can covered with dust, needs often to clear up.2) do not have sense of touch and the sound of common contact formula switch when optoelectronic switch uses, part user feels uncomfortable.3) some optoelectronic switch arranges sounding electronic device, realizes the function of sounding during switch, but this type of switch structure more complicated, volume are large and cost is high.
Utility model content
In order to solve the problems referred to above that prior art exists, the utility model provides a kind of reflection type photoelectricity mechanical keyboard switch, and it has, and volume is little, structure simple and the advantage of low cost of manufacture.
The technical scheme that the utility model adopts is: a kind of reflection type photoelectricity mechanical keyboard switch comprises LED, photoelectric sensor, PCB, fixing iron plate, base, spring, shell fragment, slide block, axle core and upper cover; A circular hole is offered at the positive middle part of described PCB, and described circular offers first hole and second hole; Third hole is offered in the middle part of described fixing iron plate; The middle part of described base arranges an annular projection, offers LED installing hole, photoelectric sensor installing hole and shell fragment and install hole slot around described annular projection; The first centre bore is offered at the middle part of described slide block, and the side of described slide block arranges a reflex block; Described axle core comprises the button be positioned on same axis, square plate and columnar projections, and described button is fixedly installed on the end face of described side's plate, and described columnar projections is fixedly installed on the bottom surface of described side's plate; The second centre bore is offered at the middle part of described upper cover, and described second centre bore mates with button and arranges; Described PCB and fixing iron plate be arranged in parallel, and described base is fastened in described third hole, and the bottom of described annular projection is screwed in described circular hole; The bottom of described LED is fastened in described first hole, and its top is fastened in described LED installing hole; The bottom of described photoelectric sensor is fastened in described second hole, and its top is fastened in described photoelectric sensor installing hole; Described shell fragment is arranged on described shell fragment and installs in hole slot; Described slide block is fastened on described base, and can vertically with described base generation relative motion; The top of described annular projection through described first centre bore, and is connected with one end of described spring; Described side's plate covers at described slide block end face, and the bottom of described columnar projections is connected with the other end of described spring; Described button is through described second centre bore, and described upper cover is fastened on described base.
Further, be provided with elasticity footing bottom described upper cover, described chassis outer side is provided with button pin, and by described elasticity footing and button pin, described upper cover is fixedly connected with base.
Further, described LED adopts paster LED.
Further, described button adopts cross section to be in-line, cross or leg-of-mutton column structure.
Further, described button adopts non-soldering tin point mounting means.
Owing to adopting above technical scheme, the beneficial effects of the utility model are: the utility model reflection type photoelectricity mechanical keyboard switch had both had optoelectronic switch long service life, response time fast advantage, remain again operation feeling and the sound of conventional contact formula switch, dust in air and steam can be avoided the harmful effect of optoelectronic switch simultaneously.The utility model has that volume is little, structure is simple, low cost of manufacture and button specification change advantage easily.
Accompanying drawing explanation
Fig. 1 is the explosive view of the utility model reflection type photoelectricity mechanical keyboard switch;
Fig. 2 is the assembly structure schematic diagram of the utility model reflection type photoelectricity mechanical keyboard switch;
Fig. 3 is the structural representation of base in the utility model reflection type photoelectricity mechanical keyboard switch.
In figure: 1, LED; 2, photoelectric sensor; 3, PCB; 4, fixing iron plate; 5, base; 6, spring; 7, shell fragment; 8, slide block; 9, axle core; 10, upper cover; 31, circular hole; 32, first hole; 33, second hole; 41, third hole; 51, annular projection; 52, LED installing hole; 53, photoelectric sensor installing hole; 54, shell fragment installs hole slot; 81, the first centre bore; 82, reflex block; 91, button; 92, square plate; 93, columnar projections; 101, the second centre bore.
Embodiment
As depicted in figs. 1 and 2, the utility model provides a kind of reflection type photoelectricity mechanical keyboard switch, and it comprises LED 1, photoelectric sensor 2, PCB 3, fixing iron plate 4, base 5, spring 6, shell fragment 7, slide block 8, axle core 9 and upper cover 10.
A circular hole 31 is offered at the positive middle part of PCB 3, offers first hole 32 and second hole 33 around circular hole 31.
Third hole 41 is offered in the middle part of fixing iron plate 4.
As shown in Figure 3, the middle part of base 5 arranges an annular projection 51, offers LED installing hole 52, photoelectric sensor installing hole 53 and shell fragment and install hole slot 54 around annular projection 51.
The first centre bore 81 is offered at the middle part of slide block 8, and the side of slide block 8 arranges a reflex block 82.
Axle core 9 comprises the button 91 be positioned on same axis, square plate 92 and columnar projections 93, wherein, on the end face of button 91 side of being fixedly installed on plate 92, on the bottom surface of columnar projections 93 side of being fixedly installed on plate 92.
The middle part of upper cover 10 is offered the second centre bore 101, second centre bore 101 and is mated with button 91 and arrange.
PCB 3 and fixing iron plate 4 be arranged in parallel, and base 5 is fastened in third hole 41, and the bottom of annular projection 51 is screwed in the circular hole 31 in PCB 3.The bottom of LED 1 is fastened in first hole 32, and its top is fastened in LED installing hole 52; The bottom of photoelectric sensor 2 is fastened in second hole 33, and its top is fastened in photoelectric sensor installing hole 53.Shell fragment 7 is arranged on shell fragment and installs in hole slot 54.Slide block 8 is fastened on base 5, and vertically with base 5, relative motion can occur.The first centre bore 81 of slide block 8 is passed on the top of annular projection 51, and is connected with one end of spring 6.Square plate 92 in axle core 9 covers at slide block 8 end face, and the bottom of columnar projections 93 is connected with the other end of spring 6.Button 91 is through the second centre bore 101, and upper cover 10 is fastened on base 5.Particularly, be provided with elasticity footing bottom upper cover 10, base 5 arranged outside has button pin, by being inserted in button pin by elasticity footing, upper cover 10 being fixedly connected with base 5, thus preventing dust and moisture to LED 1 and photoelectric sensor 2.
In above-described embodiment, LED 1 adopts paster LED, and paster LED has that shape is little, lightweight, power consumption is little, fast response time and reliability high.
In above-described embodiment, the shape of button 91 can change, and it can adopt cross section to be in-line, cross or leg-of-mutton column structure.Further, button 91 adopts non-soldering tin point mounting means, can carry out quickly and easily keeping in repair and changing.
The course of work of the utility model reflection type photoelectricity mechanical keyboard switch is:
When button 91 is pressed, there is elastic deformation and block axle core 9 in the shell fragment 7 be arranged in base 5, spring 6 is compressed, in slide block 8, reflex block 82 and the distance between LED 1 and photoelectric sensor 2 are also shortened, the light that LED 1 sends is after reflex block 82 reflects, just be radiated on photoelectric sensor 2, the utility model reflection type photoelectricity mechanical keyboard switch is in closure state.
When button 91 rises, the shell fragment 7 be arranged in base 5 recovers elastic deformation release shaft core 9, spring 6 is in nature elongation state, reflex block 82 and distant between LED 1 and photoelectric sensor 2 in slide block 8, the light that LED 1 sends is after reflex block 82 reflects, can not be radiated on photoelectric sensor 2, the utility model reflection type photoelectricity mechanical keyboard switch is in off-state.
Due to the elastic deformation of shell fragment 7, button 91 is pressed Shi Douhui at every turn and is sent mechanical impact sound, and the sense of touch of chattering type switch.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection range of the present utility model.
Claims (5)
1. a reflection type photoelectricity mechanical keyboard switch, is characterized in that: it comprises LED, photoelectric sensor, PCB, fixing iron plate, base, spring, shell fragment, slide block, axle core and upper cover;
A circular hole is offered at the positive middle part of described PCB, and described circular offers first hole and second hole; Third hole is offered in the middle part of described fixing iron plate; The middle part of described base arranges an annular projection, offers LED installing hole, photoelectric sensor installing hole and shell fragment and install hole slot around described annular projection; The first centre bore is offered at the middle part of described slide block, and the side of described slide block arranges a reflex block; Described axle core comprises the button be positioned on same axis, square plate and columnar projections, and described button is fixedly installed on the end face of described side's plate, and described columnar projections is fixedly installed on the bottom surface of described side's plate; The second centre bore is offered at the middle part of described upper cover, and described second centre bore mates with button and arranges;
Described PCB and fixing iron plate be arranged in parallel, and described base is fastened in described third hole, and the bottom of described annular projection is screwed in described circular hole; The bottom of described LED is fastened in described first hole, and its top is fastened in described LED installing hole; The bottom of described photoelectric sensor is fastened in described second hole, and its top is fastened in described photoelectric sensor installing hole; Described shell fragment is arranged on described shell fragment and installs in hole slot; Described slide block is fastened on described base, and vertically with described base 5, relative motion can occur; The top of described annular projection through described first centre bore, and is connected with one end of described spring; Described side's plate covers at described slide block end face, and the bottom of described columnar projections is connected with the other end of described spring; Described button is through described second centre bore, and described upper cover is fastened on described base.
2. a kind of reflection type photoelectricity mechanical keyboard switch as claimed in claim 1, it is characterized in that: be provided with elasticity footing bottom described upper cover, described chassis outer side is provided with button pin, and by described elasticity footing and button pin, described upper cover is fixedly connected with base.
3. a kind of reflection type photoelectricity mechanical keyboard switch as claimed in claim 1, is characterized in that: described LED adopts paster LED.
4. a kind of reflection type photoelectricity mechanical keyboard switch as described in claim 1 or 2 or 3, is characterized in that: described button adopts cross section to be in-line, cross or leg-of-mutton column structure.
5. a kind of reflection type photoelectricity mechanical keyboard switch as described in claim 1 or 2 or 3, is characterized in that: described button adopts non-soldering tin point mounting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946020.8U CN205092842U (en) | 2015-11-24 | 2015-11-24 | Reflective photoelectricity mechanical keyboard switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520946020.8U CN205092842U (en) | 2015-11-24 | 2015-11-24 | Reflective photoelectricity mechanical keyboard switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092842U true CN205092842U (en) | 2016-03-16 |
Family
ID=55483492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520946020.8U Expired - Fee Related CN205092842U (en) | 2015-11-24 | 2015-11-24 | Reflective photoelectricity mechanical keyboard switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092842U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375913A (en) * | 2015-11-24 | 2016-03-02 | 东莞市高特电子有限公司 | Reflection-type opto-mechanical keyboard switch |
| US10637470B2 (en) | 2018-01-05 | 2020-04-28 | Darfon Electronics Corp. | Optical keyswitch |
| CN111681897A (en) * | 2020-06-16 | 2020-09-18 | 西南大学 | Passive wireless mechanical key |
| 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
- 2015-11-24 CN CN201520946020.8U patent/CN205092842U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375913A (en) * | 2015-11-24 | 2016-03-02 | 东莞市高特电子有限公司 | Reflection-type opto-mechanical keyboard switch |
| 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 |
| CN111681897A (en) * | 2020-06-16 | 2020-09-18 | 西南大学 | Passive wireless mechanical key |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205092842U (en) | Reflective photoelectricity mechanical keyboard switch | |
| CN108040155B (en) | Photosensitive assembly and mobile terminal | |
| CN203812764U (en) | Optical crystal reflective type mechanic switch | |
| CN106098444A (en) | Button, luminous prompting structure and terminal unit | |
| CN107580089B (en) | Elastic sleeve | |
| KR101028464B1 (en) | Keypad with a Light Guide Pad | |
| CN204408427U (en) | Mobile phone and mobile phone component | |
| CN104639138A (en) | Inductive side key structure and electronic device with the same | |
| CN2906872Y (en) | Elevator instruction button | |
| CN111382590A (en) | Small-size bar code image acquisition unit | |
| CN105375913A (en) | Reflection-type opto-mechanical keyboard switch | |
| CN204707109U (en) | A kind of button, a kind of terminal equipment | |
| TWM518394U (en) | Scale type magnetic pole mutation switch device | |
| CN204481912U (en) | The self luminous mobile terminal shell of a kind of button | |
| CN104299832A (en) | Light-emitting key | |
| CN202018639U (en) | Motioning device of silent mouse package | |
| CN210014337U (en) | Switch device for mobile lighting equipment | |
| CN203367072U (en) | Multipurpose luminous doorbell switch | |
| CN111834151A (en) | Server, control key and magnetic induction triggering structure | |
| KR20150063297A (en) | A Mechanism and System for Attaching an External Flash to a Camera, and a Flash | |
| CN2906871Y (en) | Elevator instruction button | |
| CN104883174A (en) | Key, terminal device and method for determining key stroke | |
| CN214663997U (en) | Ceiling lamp with limiting light source | |
| CN212625448U (en) | Luminous test button structure of leakage protection plug | |
| CN216905551U (en) | Fixing structure for power adapter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20211124 |