CN105374599B - A kind of lever-type input equipment microswitch key - Google Patents

A kind of lever-type input equipment microswitch key Download PDF

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Publication number
CN105374599B
CN105374599B CN201510552655.4A CN201510552655A CN105374599B CN 105374599 B CN105374599 B CN 105374599B CN 201510552655 A CN201510552655 A CN 201510552655A CN 105374599 B CN105374599 B CN 105374599B
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China
Prior art keywords
light
lever
smd
pipe
input equipment
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CN105374599A (en
Inventor
郎欢标
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Dongguan Mayor Provides Industrial Co Ltd
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Dongguan Mayor Provides Industrial Co Ltd
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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
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • 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
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/20—Driving mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2215/00—Tactile feedback
    • H01H2215/03—Sound
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2227/00—Dimensions; Characteristics
    • H01H2227/032—Operating force
    • H01H2227/034—Regulation of operating force

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  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

The present invention relates to a kind of defeated lever-type input equipment microswitch keys that can be used for computer peripheral, electronic instrument and man-machine control system, including switch control ontology and PCB printed circuit board, the switch control ontology and PCB printed circuit board use split settings, can according to need replacement and select the switch control ontology；Wherein, the switch control ontology includes lever touch structure, switching function structure and pressing paragraph sense structure, realize the triggering stroke of amplification, with microstroke using the lever touch structure to control the switching function structure and generate clear and melodious key press paragraph sense sound using the pressing paragraph sense structure；Wherein, the lever touch structure is using the slidingtype lever touch structure of adjustable pressing dynamics or the fixed lever construction of fixed single pressing dynamics；Wherein, the switching function structure uses the optoelectronic switch functional structure or hardware contact/shrapnel contact switching function structure of optical path form.

Description

A kind of lever-type input equipment microswitch key
Technical field
The present invention relates to a kind of inputs that can be used for computer peripheral, electronic instrument and man-machine control system to set It is standby, in particular to a kind of lever-type input equipment microswitch key.
Background technique
It is currently used for the key switch of the input equipment of computer peripheral, electronic instrument and man-machine control system, such as Genius mouse connects key switch, Machine-Tool Control switch, aerospace applications switch, military equipment switch, Medical Devices and switchs, certainly The fields such as dynamicization equipment control switch, structure are substantially touch-switch.
The touch-switch is also known as responsive type switch, even if the used time is grasped with the condition for meeting operating force to switch Make pressuring direction switching function closure to connect, switch and disconnect when cancelling pressure, internal structure is by metal clips stress Variation is to realize on-off.
Touch-switch has the advantage of small contact resistance lotus, accurate operating force error, multi-size etc., in electronics Equipment and white domestic appliances etc. are widely used.Touch-switch is divided into two major classes: one kind be using metal spring leaf as The touch-switch of switch contact, contact resistance is small, about 20mn.Good hand touch, have " clickly " clear and melodious pressing paragraph sense sound Sound.Another kind of is using conductive rubber as the switch of contact access, and habit is known as conductive rubber switch.Toggle feel is good, but Contact resistance is big, generally in 100-300n, causes the susceptibility of switch bad, and pressing paragraph sense is bad, not clear and melodious Press paragraph sense sound.The structure of touch-switch is moved down by key, and contact spring or conductive rubber block is made to contact weld tabs, Form access.
For using metal clips as the touch-switch of switch contact, when being welded to touch-switch terminal, If applying load on terminal, because condition difference has loosening, there is the possibility of deformation and electrical characteristics deterioration in metal clips.It opens The adjacent material of the complete machine of pass generates corrosive gas, it would be possible to phenomena such as causing poor contact.Contacting contact has because pushing away Press the changed characteristic of load contact resistance.In addition the phenomenon that contact of touch-switch will appear aging and generate maloperation.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, provides a kind of lever-type input equipment fine motion Switch key.
The purpose of the invention is achieved by the following technical solution:
A kind of lever-type input equipment microswitch key, including switch control ontology and PCB printed circuit board, it is described Switch control ontology and PCB printed circuit board use split settings, can according to need replacement and select the switch control ontology；
Wherein, the switch control ontology include lever touch structure, switching function structure and pressing paragraph sense structure, Realize the triggering stroke of amplification, with microstroke using the lever touch structure to control the switching function structure and benefit Clear and melodious key press paragraph sense sound is generated with the pressing paragraph sense structure；
Wherein, the lever touch structure is using the slidingtype lever touch structure that pressing dynamics are adjusted or fixed list The fixed lever construction of kind pressing dynamics；
Wherein, the switching function structure is connect using the optoelectronic switch functional structure or hardware contact/elastic slice of optical path form Touch switches functional structure.
Preferably, the lever touch structure is described to open using the slidingtype lever touch structure that pressing dynamics are adjusted The optoelectronic switch functional structure that functional structure uses optical path form is closed, the input equipment microswitch key includes:
Upper set casing 11, slidingtype lever actuating mechanism, the first briquetting 14, optical module 15, movable slider 16, metal Elastic slice 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR pipe 201, SMD PT pipe 202, wherein the sliding Formula lever actuating mechanism includes the first lever and trim plate 13.
Preferably, the input equipment microswitch key includes:
Upper set casing 11, fixed lever construction, the first briquetting 14, the first optical module 15, movable slider 16, metal Elastic slice 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR pipe 201, SMD PT pipe 202, wherein the fixation Formula lever construction includes the second lever.
Preferably, have padlock ring 111 below the two sides of fixed shell 11, be located at 19 liang of the lower set casing The mutually locking of padlock protrusion 191 of side, all components of the input equipment microswitch key are all locked fixed Within shell 11 and the lower set casing 19, and it is fixed on the PCB printed circuit board 20 of lower section.
Preferably, there is a second raised briquetting 121 in the left side of first lever 12, for the pushing of key, There is first salient point 122 for trim locations in lower section on the right side of it, for adjusting pressing dynamics.
Preferably, the top of the trim plate 13 has 3 to be located at matching with first salient point 122 for different location Pit 131 is used cooperatively with first salient point 122 of the trim locations of 12 lower section of the first lever, is used for the cunning There is a connecting shaft 132 on the fine tuning of the various pressing dynamics of dynamic formula lever actuating mechanism, right side, so that the slidingtype lever touches machine Structure can be rotated around the connecting shaft 132, amplify the pressing force for being applied to lower section first briquetting 14 according to lever principle Degree.
Preferably, a buckle 141, its right side have first optics below the left side of first briquetting 14 Prism 142；When 121 stress of the second briquetting of the first lever left hand projection pushes, the slidingtype lever touches machine Structure stress pushes, and first briquetting under the action of lever principle below promotion moves downward, and is further driven to left side The buckle 141 and first optical prism 142 on right side move downwardly together.
Preferably, the movable slider 16 is buckled in the outside of the buckle 141, and there is second salient point 161 in left side.
Preferably, there are a bending protrusion 171, when button pressed, described first in its right side of the metal clips 17 Briquetting 14 drives 16 downlink of movable slider, and second salient point 161 on the left of the movable slider 16 is crossed described When the bending protrusion 171 on 17 right side of metal clips, under the action of the bending raised 171 opposition, the work Movable slider 16 quickly moves downwards, so that the plane and the buckle 141 positioned at 16 inside front of movable slider generate fastly Speed is hit, and clear and melodious strike note is formed, thus pressing paragraph sense when generating button pressed.
Preferably, the spring 18 is located at the shaft position of the lower set casing 19, and the rising after realizing button pressed is returned Bouncing function.
Preferably, the SMD IR pipe 201 and the SMD PT pipe 202 are respectively intended to emit and receive optical signal, with The optical module 15 of top and positioned at the right side of the first briquetting 14 the first optical prism 142 together, realize key switch conducting With the control of disconnection.
Preferably, the optical module is the first optical module 15, and first optical module includes the first combined prism, First combined prism includes the first transmission plane 151 and the first collimation convex surface positioned at 201 top of SMD IR pipe 152, positioned at the first vertical input face 153 on first optical prism, 142 right side and the first fully reflecting surface 154 and it is located at First Fresnel surface 202 of 202 top of SMD PT pipe.
Preferably, when the input equipment microswitch key does not have stress pushing, 14 right side of the first briquetting First optical prism 142 be in top position, the first vertical output face 142-3 not with first optical module First fully reflecting surface 154 alignment on 15 right sides, the light projected from the SMD IR pipe 201 are saturating by described first above it Optical plane 151 is incident and then passes through first collimation convex surface 152 collimation of top, and the light incidence after collimating is everywhere In first optical prism 142 of top position, after the first fully reflecting surface 142-2 total reflection turnover, edge Horizontal direction is exported from the described first vertical output face 142-3 on right side, at this time due to the described first vertical output face 142-3 It is not aligned with first fully reflecting surface 154 on 15 right side of the first optical module, from the described first vertical output face The light of 142-3 output cannot be totally reflected by first fully reflecting surface 154, and light cannot be coupled to below described In SMD PT pipe 202, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
Preferably, when the input equipment microswitch key stress pushes, the second pressing of first lever 12 121 stress of block pushes, and the slidingtype lever actuating mechanism will be located at first optics on 14 right side of the first briquetting Prism 142 pushes lower position to, and the described first vertical output face 142-3 and first optical module, 15 right side is described at this time First fully reflecting surface 154 aligns, and the light projected from the SMD IR pipe 201 is by first transmission plane above it 151 first collimation convex surfaces 152 that are incident and then passing through top collimate, and the light after collimating is incident on described first In optical prism 142, after reflection turnover of the first fully reflecting surface 142-2 described in its, along horizontal direction on the right side of it The first vertical output face 142-3 output, due to the described first vertical output face 142-3 and first optical module at this time First fully reflecting surface 154 alignment on 15 right sides, the light exported from the described first vertical output face 142-3 is through described first Vertical input face 153 is again incident in first optical module 15, and is incident on first fully reflecting surface 154 to the right On, it is further totally reflected by first fully reflecting surface 154, the light after total reflection transfers downwards and is incident on described On one Fresnel surface 155, finally converge in the SMD PT pipe 202 below, optical path is in the conductive state, is attached thereto Circuit trigger current.
Preferably, the optical module is the second optical module 15, and second optical module includes the second combined prism, Second combined prism includes the second Fresnel surface 351 and the second transmission plane 352, position positioned at 201 top of SMD IR pipe In the second vertical input face 353 on 142 right side of the first optical prism and the second fully reflecting surface 354 and it is located at SMD PT The third Fresnel surface 355 of 202 top of pipe.
Preferably, when the input equipment microswitch key does not have stress pushing, it is located at first briquetting 14 First optical prism 142 be in top position, the first vertical output face 142-3 not with the second optics group Second fully reflecting surface 354 alignment on the right side of part 35, the light projected from the SMD IR pipe 201 is by described in above it After second Fresnel surface 351 collimation, collimated ray exports upwards using second transmission plane 352 of top, defeated Light is incident in first optical prism 142 in top position out, complete by the first fully reflecting surface 142-2 described in its After reflection turnover, along horizontal direction from the described first vertical output face 142-3 output on right side, due at this time described first Vertical output face 142-3 is not aligned with second fully reflecting surface 354 on 35 right side of the second optical module, perpendicular from described first The light for facing 142-3 output directly cannot be totally reflected by second fully reflecting surface 354, and light cannot be coupled to below In the SMD PT pipe 202, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
Preferably, when the input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will First optical prism 142 positioned at first briquetting 14 pushes lower position to, the described first vertical output face at this time 142-3 and second fully reflecting surface 354 on 35 right side of the second optical module align, and penetrate from the SMD IR pipe 201 Light out is by second Fresnel surface 351 collimation above it and then second transmission plane above process 352 outputs, output light are incident in first optical prism 142, are turned by the reflection of the first fully reflecting surface 142-2 described in its After folding, along horizontal direction from the described first vertical output face 142-3 output on the right side of it, at this time since described first is vertical Output face 142-3 is aligned with second fully reflecting surface 354 on 35 right side of the second optical module, vertical defeated from described first Appear 142-3 output light be again incident in second optical module 35 by the described second vertical input face 353, and to The right side is incident on second fully reflecting surface 354, is further totally reflected by second fully reflecting surface 354, after total reflection Light transfer downwards and be incident on the third Fresnel surface 355, finally converge to the SMD PT pipe 202 below In, optical path is in the conductive state, the circuit trigger current being attached thereto.
Preferably, the optical module is third optical module, the third optical module include third combined prism with And second plane mirror 454, wherein the third combined prism includes the third light transmission positioned at 201 top of SMD IR pipe Plane 451 and the second collimation convex surface 452 and the 4th Fresnel surface 455 and the first water above the SMD PT pipe 202 Flat input face 453, wherein the second plane mirror 454 is set as 45 degree of clinoplains.
Preferably, when the input equipment microswitch key does not have stress pushing, with first briquetting 14 1 First plane mirror 442 for playing linkage is in top position, and described the second of lower position is not located at right side Plane mirror 454 is aligned, and the light projected from the SMD IR pipe 201 is by the third transmission plane 451 above it After incidence, incident ray is collimated using second collimation convex surface 452 of top, and the light after collimation is defeated upwards Out, collimated ray is incident in first plane mirror 442 in top position, after its reflection turnover, edge Horizontal direction toward right outgoing, due to not no second plane with right side of first plane mirror 442 at this time Reflecting mirror 454 is aligned, and the light by first plane mirror 442 reflection turnover cannot be by the second plane mirror 454 are reflected, and light cannot be coupled in the SMD PT pipe 202 below, and optical path is in an off state, and is attached thereto Circuit be unable to trigger current.
Preferably, when the input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will First plane mirror 442 positioned at 14 lower section of the first briquetting pushes lower position to, at this time first plane Reflecting mirror 442 is aligned with the second plane mirror 454 for being located at right side, the light projected from the SMD IR pipe 201 Standard is carried out by 451 incidence of the third transmission plane above it and then second collimation convex surface 452 for passing through top Directly, the light after collimation exports upwards, and output light is incident on first plane mirror 442 of top, by it It after reflection turnover, is projected to the right along horizontal direction, due to described the of first plane mirror 442 at this time and right side Two plane mirrors 454 align, by the light of first plane mirror 442 reflection turnover by second plane reflection Mirror 454 is reflected, and below directive, is further assembled by the 4th Fresnel surface 455, the light after convergence focuses on In the SMD PT pipe 202 below, optical path is in the conductive state, the circuit trigger current being attached thereto.
Preferably, the optical module is the 4th optical module 15, and the 4th optical module includes the second free form surface Reflecting mirror 551, second free-form surface mirror and the first free-form surface mirror being located on the right side of first briquetting Together, the control for being connected and disconnecting to key switch is formed.
Preferably, first free-form surface mirror and second free-form surface mirror be off axis paraboloid mirror, from Axis quadratic surface or polynomial surface.
Preferably, when the input equipment microswitch key does not have stress pushing, with first briquetting 14 1 First free-form surface mirror 542 for playing linkage is in top position, is not located at described in lower position with right side The alignment of second free-form surface mirror 551, the light projected from the SMD IR pipe 201 are free by described first above it After curved reflector 542 reflects, light is collimated, and horizontal injection to the right, since second free form surface is anti-at this time It penetrates first free-form surface mirror 551 of the mirror 542 not with right side to align, by second free-form surface mirror The light of 542 reflection turnovers cannot be reflected and be assembled by first free-form surface mirror 551, and light cannot be coupled to In the SMD PT pipe 202 below, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
Preferably, when the input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will First free-form surface mirror 542 positioned at first briquetting 14 pushes lower position to, due at this time described first Free-form surface mirror 542 is aligned with second free-form surface mirror 551 for being located at right side, is managed from the SMD IR 201 light projected are after first free-form surface mirror 542 reflection above it, and light is collimated, and to the right Fang Shuiping project, reflection light be incident on right side second free-form surface mirror 551 on is reflected again, finally to Lower section converges in the SMD PT pipe 202, and optical path is in the conductive state, the circuit trigger current being attached thereto.
Preferably, the optical module is the 5th optical module, and the 5th optical module includes being located at the SMD IR The first collimation lens and the first triangular prism of 201 top of pipe, the 4th combined prism above the SMD PT pipe, and The first light barrier positioned at 14 right side of the first briquetting,
Wherein, first collimation lens includes that underlying 4th transmission plane 651 and the third being located above are quasi- Straight convex surface 652；Wherein, first triangular prism includes underlying 5th transmission plane 653, upper left side for light of transferring The third fully reflecting surface 654 of line and the second vertical output face 655 positioned at right side；Wherein, the 4th combined prism includes Underlying 5th Fresnel surface 657 and positioned at upper right side for transferring optical 4th fully reflecting surface；Wherein, the described 5th Fresnel surface 657 is also while positioned at 202 top of SMD PT pipe；Wherein, first light barrier and first briquetting It linking together, first light barrier includes first light transmission part 642 on top and the first light-blocking part 643 of lower part, wherein First light transmission part is transparent translucent material or through-hole.
Preferably, when the input equipment microswitch key does not have stress pushing, it is located at first briquetting 14 First light barrier be in top position, the light-blocking gear of part 643 of described first of the black on first light barrier exists Between the second vertical output face 655 and the 4th fully reflecting surface 656, optical path cannot be coupled to institute below by partition It states in SMD PT pipe 202, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
Preferably, when the input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will First light barrier positioned at first briquetting 14 pushes lower position to, at this time on first light barrier black institute It states the first light-blocking part 643 to move down, be staggered optical path, and first light transmission part 642 is then located in optical path, described in left side The light that second vertical output face 655 is projected can enter in the 4th combined prism on right side, from the SMD IR pipe 201 The light of injection is after 651 incidence of the 4th transmission plane above it, by second collimation convex surface 652 of top It collimates, above the light directive after collimation, is again incident in first triangular prism above it, is totally reflected through the third After face 654 is totally reflected, light is from the described second vertical output face 655 output, in the horizontal direction directive right, due at this time the One light barrier is unobstructed to optical path, and the light projected from the vertical output face 655 in left side second is incident on described 4th group of right side It closes in prism, after the 4th fully reflecting surface 656 total reflection, light is transferred downwards, through the 5th Fresnel surface 657 It after convergence, finally focuses in the SMD PT pipe 202 of lower section, optical path is in the conductive state, the circuit triggering being attached thereto Electric current.
Preferably, the optical module is the 6th optical module, and the 6th optical module includes the 5th combined prism, the Six combined prisms and the second light barrier on the right side of the first briquetting,
Wherein, the 5th combined prism includes being located below the 5th Fresnel surface 751 for collimation, being located at upper left side The 5th fully reflecting surface 752, the vertical output face 753 of the third positioned at right side；Wherein, the 6th combined prism includes for gathering 6th Fresnel surface 756 of light, the 6th fully reflecting surface of the light that is used to transfer positioned at upper right side and the third positioned at left side are erected Straight input face 754；Meanwhile the 5th Fresnel surface is located at 201 top of SMD IR pipe, the 6th Fresnel surface 756 Above the SMD PT pipe 202；Wherein, second light barrier links together with first briquetting, and described second Light barrier includes second light transmission part 642 on top and the second light-blocking part 643 of lower part, wherein second light transmission part For transparent translucent material or through-hole.
Preferably, when the input equipment microswitch key does not have stress pushing, it is located at first briquetting 14 Second light barrier on right side is in top position, the light-blocking part 742 of described second of the black on second light barrier Gear is in the vertical output face 753 of the third in the left side of the 6th optical module 75 and the vertical input face of the third on right side Between 754, optical path cannot be coupled in the SMD PT pipe 202 below by partition, and optical path is in an off state, therewith phase Circuit even is unable to trigger current.
Preferably, when the input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will Second light barrier positioned at first briquetting pushes lower position to, at this time on second light barrier black it is described Second light-blocking part 742 moves down, the vertical output face 753 of the left side third being staggered in the 6th optical module 75 And the optical path between the vertical input face 754 of the third on right side, second light transmission part 741 of second light barrier In optical path, described 6th group can be entered from the light that the vertical output face 753 of third is projected on the left of the 5th combined prism It is in the right side for closing prism, i.e., quasi- by the 5th Fresnel surface 751 above it from the light that the SMD IR pipe 201 projects After straight, above collimated ray directive, after the 5th fully reflecting surface 752 total reflection, light exports vertically from the third The output of face 753, directive right in the horizontal direction, since second light barrier is unobstructed to optical path at this time, from left side described the The light that three vertical output faces 753 are projected, is incident in the 6th combined prism on right side, through the 6th fully reflecting surface After 756 total reflections, light is transferred downwards, then after the 6th Fresnel surface 756 convergence, finally focuses on the institute of lower section It states in SMD PT pipe 202, optical path is in the conductive state, the circuit trigger current being attached thereto.
Preferably, the SMD PT pipe 202 is vertically placed on the lower set casing 19, and the SMD IR pipe 201 is horizontal It is placed on PCB printed circuit board 20.
Preferably, the optical module is the 7th optical module, and the 7th optical module includes being located at the SMD IR The second collimation lens and the second triangular prism of 201 top of pipe, the first collector lens on the left of the SMD PT pipe, and Third light barrier positioned at 14 right side of the first briquetting；
Wherein, second collimation lens includes underlying 5th transmission plane 851 and the 4th standard being located above Straight convex surface 852；Second triangular prism includes underlying 6th transmission plane 853, upper left side for light of transferring Third fully reflecting surface 854 and the 4th vertical output face 855 positioned at right side；Wherein, the first collector lens include being located at The vertical input face 856 of the 4th of left side and the 7th Fresnel surface 857 for optically focused positioned at right side；Wherein, the third gear Mating plate includes the light-blocking part 843 of third of the third light transmission part 842 and lower part on top, wherein the third light transmission part is Bright translucent material or through-hole.
Preferably, when the input equipment microswitch key does not have stress pushing, positioned at first briquetting The third light barrier is in top position, and the light-blocking gear of part 842 of the third of the black on the third light barrier is on a left side The described 4th of the described 4th vertical output face 855 and the right side first collector lens on the right of second triangular prism described in side Between vertical input face 856, in the SMD PT pipe 202 that optical path cannot be coupled on the right side of it by partition, optical path, which is in, to be disconnected State, the circuit being attached thereto are unable to trigger current.
Preferably, when the input equipment microswitch key does not have stress pushing, the slidingtype lever touches machine Structure pushes the third light barrier for being located at first briquetting to lower position, at this time black on the third light barrier The light-blocking part 842 of third moves down, and be staggered optical path, and the third light transmission part 841 is then located in optical path, from left side institute The light for stating the described 4th vertical injection of output face 855 of the second triangular prism can enter the first collector lens on right side In, the light projected from the SMD IR pipe 201 passes through the 5th transmission plane 851 of second collimation lens above it After incidence, is collimated by the 4th collimation convex surface 852 of top, above the light directive after collimation, be again incident on its top Second triangular prism in, after upper left 7th fully reflecting surface 854 total reflection, reflection light is from described the The four vertical output of output face 855, in the horizontal direction directive rights, since the third light barrier is unobstructed to optical path at this time, from The light that the vertical output face 855 in left side the described 4th is projected is incident in the first collector lens on right side, through the described 7th After Fresnel surface 857 is assembled, finally focus in the SMD PT pipe 202 that right is located on lower set casing 89, at optical path In on state, the circuit trigger current that is attached thereto.
Preferably, the lever touch structure is described to open using the slidingtype lever touch structure that pressing dynamics are adjusted It closes functional structure and uses hardware contact/shrapnel contact switching function structure, the input equipment microswitch key includes:
Upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), third briquetting 94, Fixed sheet metal 95, movable slider 16, the first metal clips 97, spring 18, lower set casing 19, PCB printed circuit board 20；Its In, the slidingtype lever actuating mechanism includes the first lever 12 and trim plate 13.
Preferably, fixed shell 11 has padlock ring 111 below two sides, and is located at lower 19 two sides of set casing Padlock protrusion 191 mutually locking, all components of the input equipment microswitch key are all locked in upper 11 He of set casing Within lower set casing 19, and it is fixed on the PCB printed circuit board 20 of lower section；
There is a second raised briquetting 121 in first lever 12, left side, for the pushing of key, right side Lower section have first salient point 122 for trim locations, be used to adjust pressing dynamics；
There are 3 pits 131 to match with the first salient point 122 for being located at different location in the trim plate 13, top, It is used cooperatively with the first salient point 122 of the trim locations of 12 lower section of the first lever, it is each for the slidingtype lever actuating mechanism There is a connecting shaft 132 on the fine tuning of kind pressing dynamics, right side, allows the slidingtype lever actuating mechanism around the connecting shaft 132 rotations, amplify the pressing dynamics for being applied to the first briquetting 14 of lower section according to lever principle；
The third briquetting 94, on the left of lower section have a buckle；When the second briquetting 121 of lever left hand projection When stress pushes, the slidingtype lever actuating mechanism stress is pushed, and third under the action of lever principle below promotion is pressed Briquetting 94 moves downward, and the buckle for being further driven to left side moves downwardly together；
The fixed sheet metal 95 has second contact 952 thereon；
The movable slider 16, is buckled in the outside of buckle 141, and there is second salient point 161 in left side；
There is a bending protrusion 971 on first metal clips 97, right side, have one above the bending protrusion 971 A first contact 952；
The spring 18 is located at the shaft position of lower set casing 19, and the rising after realizing button pressed springs back function.
Preferably, when the input equipment microswitch key does not have stress pushing, the third briquetting 94 is driven 16 downlink of movable slider, when second salient point 161 in 16 left side of movable slider crosses first metal clips When the bending protrusion 971 on 97 right sides, under the action of the bending raised 971 opposition, the movable slider 16 Quickly movement downwards is formed so that generating fast ram positioned at the plane of 16 inside front of movable slider and the buckle Clear and melodious strike note, thus pressing paragraph sense when generating button pressed.
Preferably, drawing for circuit positive and negative anodes is separately connected below first metal clips 97 and the fixed sheet metal 95 Line, when the input equipment microswitch key does not have stress pushing, the bending protrusion of first metal clips 97 971 are withstood by second salient point 161 of the movable slider 16, described first be now placed on first metal clips Contact 972 is separated with second contact 952 being located on the fixed sheet metal 95, and the circuit being attached thereto, which is in, disconnects shape State.
The present invention has the following advantages and effects with respect to the prior art:
1, the present invention realizes that with micro-touch moving stroke agitates stroke generate multiplying power amplification by using lever mechanism, to control Various forms of switching functions are made, SMD IR (surface-pasted infrared light-emitting diode)/SMD is such as controlled with the structure of lever The through and off of PT (surface-pasted photoelectric receiving tube) optical path, realize the function of optoelectronic switch.
2, a kind of lever-type input equipment microswitch key involved in the present invention, with longer life (50,000,000 More than secondary) and clear and melodious touch paragraph sense (Click sound, i.e. keystroke sound), it especially uses the combination of lever touch structure and flanks Touch elastic slice and movable slider make to contact by elastic slice with the lateral of sliding block during pressing, realize clear and melodious touch paragraph Feel (click) sound, and longer service life may be implemented, the service life of the microswitch of existing input equipment exists 10000000 times hereinafter, 50,000,000 times or more pressing paragraph sense service life may be implemented in the microswitch of the technical program；
3, a kind of lever-type input equipment microswitch key involved in the present invention, especially pushes away using lever construction The up and down motion of dynamic optical prism, in conjunction with the light emittings such as SMD IR/PT receiving device, optical lens and optical concentration prism, The through and off of optical path are controlled, thus realization 50,000,000 times or more switch service life；
4, a kind of lever-type input equipment microswitch key involved in the present invention, mode that there are two types of lever constructions, One is to be pressed using the lever construction of sliding optical prism and sliding shoe (generating click sound), this lever slided can be with By adjusting the pressing position of lever arm of force, realizes different touch dynamics switchings, can satisfy different users to touch dynamics The demand of selection.Secondly (generating click to directly adopt the fixed lever construction not moved to press optical prism and sliding shoe Sound)；
5, lever input equipment microswitch key described in above-mentioned 1~4 point, may be implemented this switch control ontology With the split settings of pcb board, user can according to need replacement and fixed lever construction or slidingtype lever selected to touch The switch control ontology of structure.After switch control ontology reaches service life or when abnormal damage, user can not needed Disassembly electronic component can directly carry out the replacement of switch control ontology, this structure be it is currently the only can directly manually more Change a kind of input equipment microswitch of switch control ontology.
6, above-mentioned lever touch structure and pressing paragraph sense (click sound) structure, in addition to using and SMD IR/SMD Other than the control mode for the optoelectronic switch that PT is combined, elastic slice can also be directlyed adopt and laterally connect with another static hardware contact Touching conducting with disconnect (the keyboard mechanical axis on-off mode that similar classical Cherry company of Germany produces), this lateral contact can be with It improves service life, makes up to 30,000,000 times or more, this structure can equally be realized with microstroke and be controlled, and can also The metal contact control switch of different pressing dynamics is realized with the touch position by slidable adjustment lever arm.
Detailed description of the invention
Fig. 1 is a kind of lever-type input equipment microswitch key isometric side view in embodiment one；
Fig. 2 is the isometric side decomposition chart of input equipment microswitch key disclosed in embodiment one；
Fig. 3 is the formal side decomposition chart of input equipment microswitch key disclosed in embodiment one；
Fig. 4 is the sectional view in input equipment microswitch key direction A-A along attached drawing 2 disclosed in embodiment one；
Fig. 5 is the sectional view in input equipment microswitch key direction C-C along attached drawing 2 disclosed in embodiment one；
Fig. 6 is the optical path when key loosens and remains static of input equipment microswitch key disclosed in embodiment one It is in an off state the sectional view in the lower direction B-B along attached drawing 2；
Fig. 7 be input equipment microswitch key disclosed in embodiment one when button pressed on earth when optical path be on Under state along attached drawing 2 direction B-B sectional view；
Fig. 8 is the isometric side decomposition chart of input equipment microswitch key disclosed in embodiment two；
Fig. 9 is the optical path when key loosens and remains static of input equipment microswitch key disclosed in embodiment three It is in an off state the sectional view in the lower direction B-B along attached drawing 2；
Figure 10 is input equipment microswitch key disclosed in example IV when key loosens the time that remains static Road is in an off state the sectional view in the lower direction B-B along attached drawing 2；
Figure 11 be input equipment microswitch key disclosed in embodiment five when button pressed on earth when optical path be in and lead Lead to the sectional view in the direction B-B along attached drawing 2 under state；
Figure 12 be input equipment microswitch key disclosed in embodiment six when button pressed on earth when optical path be in and lead Lead to the sectional view in the direction B-B along attached drawing 2 under state；
Figure 13 be input equipment microswitch key disclosed in embodiment seven when button pressed on earth when optical path be in and lead Lead to the sectional view in the direction B-B along attached drawing 2 under state；
Figure 14 be input equipment microswitch key disclosed in embodiment eight when button pressed on earth when optical path be in and lead Lead to the sectional view in the direction B-B along attached drawing 2 under state；
Figure 15 is the sectional view in input equipment microswitch key direction A-A along attached drawing 2 disclosed in embodiment nine.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to It is of the invention in limiting.
Description and claims of this specification and term " first ", " second ", " third " and " in above-mentioned attached drawing Four " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and it Any deformation, it is intended that cover and non-exclusive include.Such as it contains the process, method of a series of steps or units, be System, product or equipment are not limited to listed step or unit, but optionally further comprising the step of not listing or list Member, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
The invention discloses a kind of lever-type input equipment microswitch keys, are mainly used as computer input apparatus mouse The key microswitch of device, including switch control ontology and PCB printed circuit board, wherein the switch control ontology and PCB print Circuit board 20 processed uses split settings, and user can according to need replacement and select the switch control ontology.
Wherein, the switch control ontology include lever touch structure, switching function structure and pressing paragraph sense structure, The triggering stroke for realizing amplification with microstroke using the lever touch structure, carrys out control switch functional structure (such as various light Optoelectronic switch functional structure and the hardware contact of road form/shrapnel contact switching function structure) and the utilization pressing Paragraph sense structure generates clear and melodious key press paragraph sense sound.
Wherein, the lever touch structure is using the slidingtype lever touch structure that pressing dynamics are adjusted or fixed list The fixed lever construction of kind pressing dynamics.
Embodiment one
A kind of lever-type input equipment microswitch key involved in the present embodiment one, specific embodiment etc. Axis side view as shown in Figure 1, isometric side decomposition chart as shown in Fig. 2, to face side decomposition chart as shown in Figure 3.Using can Adjust the slidingtype lever touch structure of pressing dynamics and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, the first optical module 15, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
The upper set casing 11 has padlock ring 111 below two sides, with the padlock for being located at lower 19 two sides of set casing The mutually locking of protrusion 191, all components of the input equipment microswitch key are all locked in upper set casing 11 and lower fixation Within shell 19, and it is fixed on the PCB printed circuit board 20 of lower section.
There is a second raised briquetting 121 in first lever 12, left side, right for the pushing of key There is first salient point 122 for trim locations below side, is used to adjust pressing dynamics.
There are 3 pits 131 to match with the first salient point 122 for being located at different location in the trim plate 13, top, First salient point 122 of itself and the trim locations of 12 lower section of the first lever is used cooperatively, and is used for the slidingtype lever actuating mechanism There is a connecting shaft 132 on the fine tuning of various pressing dynamics, right side, allows the slidingtype lever actuating mechanism around the connecting shaft 132 rotations, amplify the pressing dynamics for being applied to the first briquetting 14 of lower section according to lever principle.
First briquetting 14, on the left of lower section have one buckle 141, its right side have first optical prism 142；When 121 stress of the second briquetting of lever left hand projection pushes, the slidingtype lever actuating mechanism (including the first thick stick Bar 12 and trim plate 13), stress push, under the action of lever principle push below the first briquetting 14 move downward, into One step drives the buckle 141 in left side and first optical prism 142 on right side to move downwardly together.
First optical module 15, be the first combined prism, by collimation/collector lens, Fresnel Lenses and Deflecting prism is composed, together with first optical prism 142 on the right side of first briquetting 14, shape paired keys The control of switch conduction and disconnection.
First combined prism includes convex positioned at the first transmission plane 151 of 201 top of SMD IR pipe and the first collimation Face 152, the first vertical input face 153 and the first fully reflecting surface 154, Yi Jiwei positioned at 142 right side of the first optical prism The first Fresnel surface 202 above SMD PT pipe 202.
First optical prism 142 carries out the movement of downlink and rising, to the first light in button pressed and when loosening The optical path for learning component 15 is switched on or off, to realize the "ON" and "Off" of key switch.
The movable slider 16, is buckled in the outside of buckle 141, and there is second salient point 161 in left side.
There is a bending protrusion 171 on the metal clips 17, right side.When button pressed, 14 band of the first briquetting Dynamic 16 downlink of movable slider, when second salient point 161 in 16 left side of movable slider crosses the bending protrusion 171 on 17 right side of metal clips When, under the action of bending raised 171 opposition, the quickly movement downwards of movable slider 16, so that being located at movable slider 16 The plane and buckle 141 of inside front generate fast ram, clear and melodious strike note are formed, thus pressing when generating button pressed Paragraph sense.
The spring 18 is located at the shaft position of lower set casing 19, and the rising after realizing button pressed springs back function.
SMD IR pipe (surface-pasted infrared light-emitting diode) the 201 and SMD PT manages (surface-pasted photoelectricity Reception pipe) 202, it is used to emit and receive optical signal, with the first optical module 15 of top and positioned at the first briquetting 14 First optical prism 142 on right side together, realizes the control of key switch conducting and disconnection.
A kind of lever-type input equipment microswitch key involved in the present embodiment, specific embodiment is along figure The cross-sectional view in the direction A-A is as shown in Figure 4 in 2.It can be clearly seen between the first lever 12 and trim plate 13 from that can compare in figure Relationship and metal clips on the right side of bending protrusion 171 and the left side of movable slider 16 the second salient point 161 between relationship. The trim plate 13, there are 3 pits 131 to match with salient point 122 for being located at different location in top, with the first lever The first salient point 122 of trim locations of 12 lower sections is used cooperatively, for the slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13) various pressing dynamics adjusting, there is a connecting shaft 132 on its right side of the trim plate 13, so that the sliding Formula lever actuating mechanism can be turned about this axis, and amplify the pressing force for being applied to the first briquetting 14 of lower section according to lever principle Degree.There is a bending protrusion 171 on the metal clips 17, right side.When button pressed, first briquetting 14 is pushed 16 downlink of movable slider, when second salient point 161 in 16 left side of movable slider crosses the bending protrusion 171 on 17 right side of metal clips When, under the action of bending raised 171 opposition, the quickly movement downwards of movable slider 16.
A kind of lever-type input equipment microswitch key involved in the present embodiment, specific embodiment 1 along The cross-sectional view in the direction C-C is as shown in Figure 5 in Fig. 2.It will be clear that being located at 14 left side lower section of the first briquetting from figure Relationship between buckle 141 and movable slider 16.When 16 downward sharp downward movement of movable slider, it is located in movable slider 16 The plane fast ram of first plane 162 and buckle 141 of upper side, generates clear and melodious strike note.
A kind of lever-type input equipment microswitch key involved in the present embodiment, specific embodiment is along figure The cross-sectional view in the direction B-B is as shown in Figure 6 in 2.When key does not have stress pushing, the first optics rib on 14 right side of the first briquetting Mirror 142 is in top position, not no the first fully reflecting surface with 15 right side of the first optical module of the first vertical output face 142-3 154 alignments, the light projected from SMD IR pipe 201 is incident by the first transmission plane 151 above it and then passes through top First collimation convex surface 152 collimate.Light after collimation is incident in the first optical prism 142 in top position, warp It crosses after its first fully reflecting surface 142-2 total reflection turnover, the first vertical output face 142-3 along horizontal direction from right side is defeated Out.Since the first vertical output face 142-3 is not aligned with first fully reflecting surface 154 on the right side of the first optical module 15, from the The light of one vertical output face 142-3 output cannot be totally reflected by the first fully reflecting surface 154, and light cannot be coupled under it In the SMD PT pipe 202 of side, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
When 121 stress of the second briquetting of the first lever 12 pushes, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13) the first optical prism 142 that will be located at the right side of the first briquetting 14 push lower position to, as shown in Figure 7.This When its first vertical output face 142-3 and first fully reflecting surface 154 on the right side of the first optical module 15 align, managed from SMD IR 201 light projected are incident by the first transmission plane 151 above it and then pass through the first of top the collimation convex surface 152 Collimation.Light after collimation is incident in the first optical prism 142, by its first fully reflecting surface 142-2 reflection turnover Afterwards, it is exported along horizontal direction from the first vertical output face 142-3 on the right side of it.Due to the first vertical output face 142-3 and First fully reflecting surface 154 alignment on one optical module, 15 right side, the light exported from the first vertical output face 142-3 are perpendicular through first Straight input face 153 is again incident in the first optical module 15, and is incident on to the right on the first fully reflecting surface 154, further by First fully reflecting surface 154 is totally reflected, and the light after total reflection is transferred downwards and is incident on Fresnel surface 155, finally can Gather in SMD PT pipe 202 below, optical path is in the conductive state, the circuit trigger current being attached thereto.
Embodiment two
A kind of lever-type input equipment microswitch key involved in the present embodiment two, using fixed single pressing force The fixed lever construction of degree and the optoelectronic switch functional structure of optical path form.
The fixed lever construction does not need to adjust, only using the pressing dynamics of fixed single, by specific embodiment The first lever 12 and trim plate 13 in one synthesize a part --- the second lever 22.It will be in embodiment one in embodiment two First lever 12 and trim plate 13 have been combined into single part --- the second lever 22.Other all structures all with embodiment One is identical, and isometric side decomposition chart is as shown in Figure 8.
It is by upper set casing 11, the second lever 22, the first briquetting 14, the first optical module 15, movable slider 16, metal Elastic slice 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR pipe (surface-pasted infrared light-emitting diode) 201, SMD PT manages (surface-pasted photoelectric receiving tube) 202 and forms.
The photo-electric control method and specific embodiment of its process for generating pressing paragraph sense strike note and key switch One is identical.When button pressed, second lever 22 pushes 16 downlink of movable slider together with the first briquetting 14, when activity is sliding When second salient point 161 in 16 left side of block crosses the bending protrusion 171 on 17 right side of metal clips, in the bending protrusion of metal clips 17 Under the action of opposition, the quickly movement downwards of movable slider 16, positioned at the first plane 162 of 16 inside front of movable slider With the plane fast ram of buckle 141, clear and melodious strike note is generated.At the same time, the first optical prism 142 goes downwards to lower section Position so that control button switch optical path it is in the conductive state.
Embodiment three
A kind of lever-type input equipment microswitch key involved in the present embodiment three, when key loosens in quiet Only when state optical path be in an off state the lower direction B-B along attached drawing 2 sectional view it is as shown in Fig. 9, use it is adjustable by The slidingtype lever touch structure of surging and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, the second optical module 35, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
Its described second optical module 35 is the combination rib being composed of Fresnel collimation/condenser lens and deflecting prism Mirror is constituted, shown in specific embodiment three as shown in Figure 9.
Second combined prism includes flat positioned at the second Fresnel surface 351 of 201 top of SMD IR pipe and the second light transmission Face 352, the second vertical input face 353 and the second fully reflecting surface 354, Yi Jiwei positioned at 142 right side of the first optical prism Third Fresnel surface 355. above SMD PT pipe 202
Wherein, for the second Fresnel surface 351 above SMD IR pipe 201 for collimating, the second transmission plane 352 is defeated It appears, the second fully reflecting surface 354 is clinoplain, the third Fresnel surface 355 above SMD PT pipe 202 for optically focused.
Second optical module 35 together, is formed to key switch with the first optical prism 142 for being located at the first briquetting 14 Conducting and the control disconnected.First optical prism 142 carries out the movement of downlink and rising in button pressed and when loosening, with Optical path realization between second optical module 35 is switched on or off, to realize the "ON" and "Off" of key switch.
When key does not have stress pushing, the first optical prism 142 positioned at the first briquetting 14 is in top position, First vertical output face 142-3 is not aligned with second fully reflecting surface 354 on 35 right side of the second optical module, is managed from SMD IR 201 light projected after the second Fresnel surface 351 collimation above it, collimated ray using top the second light transmission Plane 352 exports upwards.Output light is incident in the first optical prism 142 in top position, first complete by it After reflecting surface 142-2 total reflection turnover, exported along horizontal direction from the first vertical output face 142-3 on right side.Due to One vertical output face 142-3 is not aligned with second fully reflecting surface 354 on 35 right side of the second optical module, from the first vertical plane The light of 142-3 output cannot be totally reflected by the second fully reflecting surface 354, and light cannot be coupled to the pipe of SMD PT below In 202, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
When key stress pushes, slidingtype lever actuating mechanism will be located at the first optical prism of the first briquetting 14 142 push lower position to.Second fully reflecting surface on 35 right side its first vertical output face 142-3 and the second optical module at this time 354 align, and the light projected from SMD IR pipe 201 is by the second Fresnel surface 351 collimation above it and then by upper The second transmission plane 352 output of side.Output light is incident in the first optical prism 142, by its first fully reflecting surface After 142-2 reflection turnover, exported along horizontal direction from the first vertical output face 142-3 on the right side of it.Vertically due to first Output face 142-3 is aligned with second fully reflecting surface 354 on 35 right side of the second optical module, defeated from the first vertical output face 142-3 Light out is again incident in the second optical module 35 by the second vertical input face 353, and is incident on the second total reflection to the right On face 354, further it is totally reflected by the second fully reflecting surface 354, the light after total reflection transfers downwards and is incident on third On Fresnel surface 355, finally converge in SMD PT pipe 202 below, optical path is in the conductive state, the circuit being attached thereto Trigger current.
Example IV
A kind of lever-type input equipment microswitch key involved in the present embodiment four, when key loosens in quiet Only when state optical path be in an off state the lower direction B-B along attached drawing 2 sectional view it is as shown in Fig. 10, use it is adjustable by The slidingtype lever touch structure of surging and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, third optical module 45, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
The third combined prism and the second plane that its described third optical module 45 can be made of collimation/condenser lens Reflecting mirror 454 is composed.
The third combined prism includes convex positioned at the third transmission plane 451 of 201 top of SMD IR pipe and the second collimation Face 452 and the 4th Fresnel surface 455 and first level input face 453 above SMD PT pipe 202.Described second is flat Face reflecting mirror 454 is set as 45 degree of clinoplains.It is flat that first plane mirror 442 described below is likewise provided as 45 degree of inclinations Face.
Wherein, the third transmission plane 451 above SMD IR pipe 201 is input face, and the second collimation convex surface 452 is used for Collimation, first level input face 453 are also input face, and the 4th Fresnel surface 455 above SMD PT pipe 202 is for gathering Light.
The third optical module 45 together, is formed with the first plane mirror 442 for being located at 14 right side of the first briquetting The control that key switch is connected and is disconnected.First plane mirror 442 carries out downlink and rising in button pressed and when loosening Movement, between third optical module 45 optical path realization is switched on or off, thus realize key switch "ON" and "Off".
When key does not have stress pushing, the plane mirror 442 to link together with the first briquetting 14 is in top position, The second plane mirror 454 for not being located at lower position with right side is aligned, and the light projected from SMD IR pipe 201 is by thereon After 451 incidence of third transmission plane of side, incident ray is collimated using the second collimation convex surface 452 of top, is collimated Light afterwards exports upwards.Collimated ray is incident in the first plane mirror 442 in top position, by its reflection After turnover, along horizontal direction toward the outgoing of right.Since the first plane mirror 442 is anti-not with second plane on right side The alignment of mirror 454 is penetrated, cannot be reflected by second plane mirror 454 by the light of the first plane mirror 442 reflection turnover, Light cannot be coupled in SMD PT pipe 202 below, and optical path is in an off state, and the circuit being attached thereto cannot trigger electricity Stream.
When key stress pushes, slidingtype lever actuating mechanism is anti-by the first plane for being located at 14 lower section of the first briquetting It penetrates mirror 442 and pushes lower position to.The first plane mirror 442 is aligned with the second plane mirror 454 for being located at right side at this time, The light projected from SMD IR pipe 201 is quasi- by 451 incidence of third transmission plane above it and then second above process Straight convex surface 452 is collimated, and the light after collimation exports upwards.Output light is incident on the first plane mirror of top On 442, after its reflection turnover, projected to the right along horizontal direction.Due to the first plane mirror 442 and right side at this time Second plane mirror 454 align, by the first plane mirror 442 reflection turnover light by second plane mirror 454 are reflected, and below directive, are further assembled by the 4th Fresnel surface 455, the light after convergence focuses below SMD PT pipe 202 in, optical path is in the conductive state, the circuit trigger current being attached thereto.
Embodiment five
A kind of lever-type input equipment microswitch key involved in the present embodiment five, when key loosens in quiet Only when state optical path be in an off state the lower direction B-B along attached drawing 2 sectional view it is as shown in Fig. 10, use it is adjustable by The slidingtype lever touch structure of surging and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, the 4th optical module 55, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
Its described 4th optical module 55 only includes a piece of second free-form surface mirror 551.4th optical module 55 with The first free-form surface mirror 542 on the right side of the first briquetting 14 together, forms the control for being connected and disconnecting to key switch System.First free-form surface mirror 542 carries out the movement of downlink and rising, with the 4th optics in button pressed and when loosening Optical path realization between component 55 is switched on or off, to realize the "ON" and "Off" of key switch.
First free-form surface mirror 542 plays the role of collimation and turnover optical path.Described second is freely Curved reflector 551 plays the role of convergence and turnover optical path.
When key does not have stress pushing, at the first free-form surface mirror 542 for linking together with the first briquetting 14 Position above, the second free-form surface mirror 551 that lower position is not located at right side are aligned, from SMD IR pipe 201 The light of injection is after the first free-form surface mirror 542 reflection above it, and light is collimated, and level is penetrated to the right Out.The first free-form surface mirror 551 due to the second free-form surface mirror 542 not with right side aligns, certainly by second It cannot be reflected and be assembled by the first free-form surface mirror 551 by the light of the reflection turnover of curved reflector 542, light is not It can be coupled in SMD PT pipe 202 below, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
When key stress pushes, slidingtype lever actuating mechanism is anti-by the first free form surface for being located at the first briquetting 14 It penetrates mirror 542 and pushes lower position to.First free-form surface mirror 542 and the second free-form surface mirror for being located at right side at this time 551 align, and the light projected from SMD IR pipe 201 is after the first free-form surface mirror 542 reflection above it, light Line is collimated, and horizontal injection to the right.Due to the second free form surface of the first free-form surface mirror 542 and right side at this time Reflecting mirror 551 aligns, and reflection light is incident on second free-form surface mirror 551 on right side to be reflected again, finally It converges to downwards in SMD PT pipe 202, optical path is in the conductive state, the circuit trigger current being attached thereto.
First free-form surface mirror 542 and the second free-form surface mirror 551 can be off-axis parabolic Face is perhaps off-axis quadratic surface or is polynomial surface.
Embodiment six
A kind of lever-type input equipment microswitch key involved in the present embodiment six, when key loosens in quiet Only when state optical path be in an off state the lower direction B-B along attached drawing 2 sectional view it is as shown in Fig. 12, use it is adjustable by The slidingtype lever touch structure of surging and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, the 5th optical module 65, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
The optoelectronic switch functional structure of the optical path form is including the 5th optical module 65 and is located at 14 right side of the first briquetting First light barrier of side forms, and first light barrier links together with first briquetting, and first light barrier includes First light transmission part 642 on top and the first light-blocking part 643 of lower part, wherein first light transmission part is transparent light transmission material Material or through-hole.
Specific embodiment six as shown in figure 12.Its 5th optical module 65, the including being located at the top of SMD IR pipe 201 Collimating lens and the first triangular prism, and the 4th combined prism above SMD PT pipe.Wherein, first collimation Lens include underlying 4th transmission plane 651 and the third collimation convex surface 652 being located above.First triangular prism Including underlying 5th transmission plane 653, upper left side for the third fully reflecting surface 654 for light of transferring and positioned at right side The second vertical output face 655.4th combined prism include underlying 5th Fresnel surface 657 and be located at upper right side For optical 4th fully reflecting surface of transferring.The wherein use that the 5th Fresnel surface 657 is gone back while being located on SMD PT pipe 202 In optically focused.
The first light barrier to link together with the first briquetting 14 has first light transmission part 642, in addition there is one One light-blocking part 643.The first light barrier downlink when button pressed is perhaps loosened on the right side of the first briquetting or on It rises, cuts the optical path between the second vertical output face 655 and the 4th fully reflecting surface 656, formed and key switch is connected and is disconnected Control, to realize the "ON" and "Off" of key switch.
When key does not have stress pushing, the first light barrier positioned at the first briquetting 14 is in top position, first gear The light-blocking part 643 of black first on mating plate keeps off the optical path quilt between the second vertical output face 655 and the 4th fully reflecting surface 656 Partition.The light projected from SMD IR pipe 201 is after 651 incidence of the 4th transmission plane above it, by the third of top It collimates convex surface 652 to collimate, above the light directive after collimation, be again incident in the triangular prism above it, through the second total reflection After face 654 is totally reflected, light is from the second vertical output face 655 output, in the horizontal direction directive right.Due to vertical from second The light barrier that the light that output face 655 is projected is located in briquetting stops.It cannot be incident in the prism of right, and light is not It can be coupled in SMD PT pipe 202 below, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
When key stress pushes, slidingtype lever actuating mechanism pushes the first light barrier for being located at the first briquetting 14 to Lower position.The first of black the light-blocking part 643 moves down on the first light barrier at this time, and be staggered optical path, the first light transmission part 642 are located in optical path, and the light projected from the vertical output face 655 in left side second can enter in the prism on right side.From SMD The light that IR pipe 201 projects collimates convex surface 652 after 651 incidence of the 4th transmission plane above it, by the second of top It collimates, above the light directive after collimation, is again incident in the triangular prism above it, is totally reflected through third fully reflecting surface 654 Later, light is from the second vertical output face 655 output, in the horizontal direction directive right.Since the first light barrier at this time is to optical path Light that is unobstructed, projecting from the vertical output face 655 in left side second, is incident in the prism on right side, through the 4th fully reflecting surface 656 After total reflection, light is transferred downwards, after the convergence of Fresnel surface 657, is finally focused in the SMD PT pipe 202 of lower section, Optical path is in the conductive state, the circuit trigger current being attached thereto.
Embodiment seven
A kind of lever-type input equipment microswitch key involved in the present embodiment seven, when key loosens in quiet Only when state optical path be in an off state the lower direction B-B along attached drawing 2 sectional view it is as shown in Fig. 13, use it is adjustable by The slidingtype lever touch structure of surging and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, the 6th optical module 75, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
The optoelectronic switch functional structure of the optical path form is including the 6th optical module 75 and is located at 14 right side of the first briquetting Second light barrier of side forms, and second light barrier links together with first briquetting 14, the second light barrier packet Second light transmission part 742 on top and the second light-blocking part 743 of lower part are included, wherein the light transmission part is transparent translucent material Or through-hole.
Specific embodiment seven as shown in fig. 13 that.Its 6th optical module 75 is to be gathered by the Fresnel that the left and right sides is fixed The 5th combined prism and the 6th combined prism of light/collimation lens and deflecting prism composition.In the 5th combined prism and There is the second light barrier to link together with the first briquetting between six combined prisms.
Specific embodiment 7 as shown in fig. 13 that.Wherein the 5th combined prism includes being located below for collimation 5th Fresnel surface 751, positioned at upper left 5th fully reflecting surface 752, the vertical output face 753 of the third positioned at right side.It is described 6th combined prism includes the 6th Fresnel surface 756 for optically focused, the 6th total reflection positioned at upper right side for light of transferring Face and the vertical input face 754 of third positioned at left side.Meanwhile the 5th Fresnel surface 751 is located on SMD IR pipe 201 Side, the 6th Fresnel surface 756 are located at 202 top of SMD PT pipe.
The second light barrier to link together with the first briquetting 14 has second light transmission part 742, in addition there is one Two light-blocking parts 743.When button pressed is perhaps loosened positioned at the right side of the first briquetting 14 the second light barrier downlink or on It rises, cuts the light between the vertical output face 753 of left side third and the vertical input face 754 of right side third of the 6th optical module 75 Road forms the control for being connected and disconnecting to key switch, to realize the "ON" and "Off" of key switch.
When key does not have stress pushing, the second light barrier positioned at 14 right side of the first briquetting is in top position, the Third vertical output face of the light-blocking gear of part 742 of second of black on two light barriers in the left side of the 6th optical module 75 753 and right side the vertical input face 754 of third between, optical path is separated.The light projected from SMD IR pipe 201 is by above it For collimation 751 incidence of the 5th Fresnel surface after, light collimate directive above, be totally reflected by the 5th fully reflecting surface 752 Later, light is from third vertical output face 753 output, in the horizontal direction directive right.Due to being penetrated from the vertical output face 753 of third Light out is stopped by the second light barrier for being located at 14 right side of the first briquetting.Its described 6th optics that cannot be incident on right In component 75, light cannot be coupled in SMD PT pipe 202 below, and optical path is in an off state, the circuit being attached thereto It is unable to trigger current.
When key stress pushes, under slidingtype lever actuating mechanism pushes the second light barrier for being located at the first briquetting to It sets in orientation.The second of black the light-blocking part 742 moves down on the second light barrier at this time, and be staggered the 6th optical module 75 In the vertical output face 753 of left side third and the vertical input face 754 of right side third between optical path, the second light barrier second thoroughly Light part (or through-hole) 741 is located in optical path, and the light projected from the vertical output face 753 of prism left side third can enter rib In the right side of mirror.I.e. from the light that SMD IR pipe 201 projects after the 5th Fresnel surface 751 collimation above it, collimated light Above line directive, after the total reflection of the 5th fully reflecting surface 752, light exports, in the horizontal direction from the vertical output face 753 of third Directive right.Since the second light barrier is unobstructed to optical path at this time, the light projected from the vertical output face 753 of left side third enters It is mapped in the prism on right side, after the total reflection of the 6th fully reflecting surface 756, light is transferred downwards, then through the 6th Fresnel surface It after 756 assemble, finally focuses in the SMD PT pipe 202 of lower section, optical path is in the conductive state, the circuit triggering electricity being attached thereto Stream.
Embodiment eight
A kind of lever-type input equipment microswitch key involved in the present embodiment eight, when key loosens in quiet Only when state optical path be in an off state the lower direction B-B along attached drawing 2 sectional view it is as shown in Fig. 14, use it is adjustable by The slidingtype lever touch structure of surging and the optoelectronic switch functional structure of optical path form.
It is by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), the first pressing Block 14, the 7th optical module 85, movable slider 16, metal clips 17, spring 18, lower set casing 19, PCB printed circuit board 20, SMD IR manages (surface-pasted infrared light-emitting diode) 201, SMD PT pipe (surface-pasted photoelectric receiving tube) 202 forms.
Wherein, the SMD PT pipe 202 is vertically placed on lower set casing 19, and SMD IR pipe 201 is placed horizontally at PCB It is remained unchanged on plate 20.
The optoelectronic switch functional structure of the optical path form is including the 7th optical module 85 and is located at 14 right side of the first briquetting The third light barrier of side forms, and the third light barrier links together with first briquetting 14, the third light barrier packet The light-blocking part 843 of the third of the third light transmission part 842 and lower part that include top, wherein the light transmission part is transparent translucent material Or through-hole.
Specific embodiment eight as shown in figure 14.Its 7th optical module 85 includes positioned at the of the top of SMD IR pipe 201 Two collimation lenses and the second triangular prism, and the first collector lens on the left of SMD PT pipe.Wherein, second collimation Lens include underlying 5th transmission plane 851 and the 4th collimation convex surface 852 being located above.Second triangular prism Including underlying 6th transmission plane 853, upper left side for the third fully reflecting surface 854 for light of transferring and positioned at right side The 4th vertical output face 855.The first collector lens include positioned at the 4th vertical input face 856 in left side and positioned at right side The 7th Fresnel surface 857 for optically focused.
The third light barrier to link together with first briquetting 14 has a third light transmission part 842, in addition there is one A light-blocking part 843 of third.When button pressed or when loosening, positioned at 14 right side of the first briquetting third light barrier downlink or Person rises, between the vertical output face 753 of left side third and the vertical input face 754 of right side third for cutting the 7th optical module 85 Optical path forms the control for being connected and disconnecting to key switch, to realize the "ON" and "Off" of key switch.Cut the 7th optics In component 85 between the 4th of second triangular prism the vertical output face 855 and the 4th vertical input face 856 of first collector lens Optical path, formed to key switch be connected and disconnect control, to realize the "ON" and "Off" of key switch.
When key does not have stress pushing, top position is in positioned at the third light barrier of the first briquetting, on light barrier The light-blocking part 842 of third of black keep off the 4th vertical output face 855 and right side first on the right of the second triangular prism of left side Between the vertical input face 856 of the 4th of collector lens, optical path is separated.The light projected from SMD IR pipe 201 is by above it 851 incidence of the 5th transmission plane after, collimated by the 4th collimation convex surface 852 of top, above the light directive after collimation, then In the second triangular prism of side incident thereon, after the total reflection of the 7th fully reflecting surface 854, reflection light is vertical by the 4th Output face 855 is projected to the right in the horizontal direction.Due to the light projected from the 4th vertical output face 855 of the second triangular prism The third light barrier that line is located in the first briquetting stops.It cannot be incident in the first collector lens of right, and light is not It can be coupled in the SMD PT pipe 202 of its right, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
When key stress pushes, under slidingtype lever actuating mechanism pushes the third light barrier for being located at the first briquetting to It sets in orientation.The light-blocking part 842 of the third of black moves down on light barrier at this time, and be staggered optical path, the then position of third light transmission part 841 In optical path, the light projected from the 4th vertical output face 855 of the second triangular prism of left side can enter the first of right side and gather In optical lens.The light projected from SMD IR pipe 201 is by 851 incidence of the 5th transmission plane of the second collimation lens above it Afterwards, it is collimated by the 4th collimation convex surface 852 of top, above the light directive after collimation, the second triangle being again incident on above it In prism, after the total reflection of upper left 7th fully reflecting surface 854, reflection light is from the 4th vertical output face 855 output, edge Horizontal direction directive right.Since third light barrier is unobstructed to optical path at this time, projected from the vertical output face 855 in left side the 4th Light is incident in the first collector lens on right side, after assembling through the 7th Fresnel surface 857, is finally focused on right and is located at In SMD PT pipe 202 on lower set casing 89, optical path is in the conductive state, the circuit trigger current being attached thereto.
Embodiment nine
A kind of lever-type input equipment microswitch key involved in the present embodiment nine, Figure 15 are public in embodiment nine The sectional view in the input equipment microswitch key direction A-A along attached drawing 2 opened.
Using slidingtype lever touch structure and hardware contact/shrapnel contact switching function knot of adjustable pressing dynamics Structure.
Static hardware contact laterally contacts the mode of conducting with disconnection, classics keyboard manufacturer Cherry company of similar Germany Service life can be improved in keyboard mechanical axis on-off mode produced, this lateral contact, makes up to 30,000,000 times or more, This structure can equally be realized with microstroke and be controlled, and can also be realized by the touch position of slidable adjustment lever arm The metal contact control switch of different pressing dynamics, specific embodiment nine as shown in figure 15.
It is pressed by upper set casing 11, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13), third Block 94, fixed sheet metal 95, movable slider 16, the first metal clips 97, spring 18, lower set casing 19, PCB printed circuit board 20 Composition.
The upper set casing 11 has padlock ring 111 below two sides, with the padlock for being located at lower 19 two sides of set casing The mutually locking of protrusion 191, all components of the input equipment microswitch key are all locked in upper set casing 11 and lower fixation Within shell 19, and it is fixed on the PCB printed circuit board 20 of lower section.
There is a second raised briquetting 121 in first lever 12, left side, right for the pushing of key There is first salient point 122 for trim locations below side, is used to adjust pressing dynamics.
There are 3 pits 131 to match with the first salient point 122 for being located at different location in the trim plate 13, top, First salient point 122 of itself and the trim locations of 12 lower section of the first lever is used cooperatively, and is used for the slidingtype lever actuating mechanism There is a connecting shaft 132 on the fine tuning of various pressing dynamics, right side, allows the slidingtype lever actuating mechanism around the connecting shaft 132 rotations, amplify the pressing dynamics for being applied to the first briquetting 14 of lower section according to lever principle.
The third briquetting 94, on the left of lower section have a buckle；When the second briquetting of lever left hand projection When 121 stress push, slidingtype lever actuating mechanism (including the first lever 12 and trim plate 13) stress is pushed, in lever The third briquetting 94 of lower section is pushed to move downward under the action of principle, the buckle for being further driven to left side moves downwardly together.
The fixation sheet metal 95 has second contact 952 thereon.
The movable slider 16, is buckled in the outside of buckle 141, and there is second salient point 161 in left side.
There is a bending protrusion 971 on first metal clips 97, right side, have above the bending protrusion 971 One the first contact 952.When button pressed, third briquetting 94 drives 16 downlink of movable slider, when 16 left side of movable slider The second salient point 161 when crossing the bending protrusion 971 on the right side of the first metal clips 97, in raised 971 oppositions of bending Under effect, movable slider 16 is quickly moved downwards, so that the plane and buckle positioned at 16 inside front of movable slider generate quickly It hits, clear and melodious strike note is formed, thus pressing paragraph sense when generating button pressed.
The spring 18 is located at the shaft position of lower set casing 19, and the rising after realizing button pressed springs back function.
The lead of circuit positive and negative anodes is separately connected below first metal clips 97 and fixed sheet metal 95.Work as key In when loosening static state, the bending protrusion 971 of first metal clips 97 is by the second salient point of movable slider 16 161 withstand, and are at this time located at the first contact 972 on the first metal clips and the second contact on fixed sheet metal 95 952 separate, and the circuit being attached thereto is in an off state.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (27)

1. a kind of lever-type input equipment microswitch key, including switch control ontology and PCB printed circuit board, feature It is, the switch control ontology and PCB printed circuit board use split settings, and replacement selects the switch control as needed Ontology；
Wherein, the switch control ontology includes lever touch structure, switching function structure and pressing paragraph sense structure, is utilized The lever touch structure realizes the triggering stroke of amplification with microstroke, to control the switching function structure and utilize institute It states pressing paragraph sense structure and generates clear and melodious key press paragraph sense sound；
Wherein, the lever touch structure is pressed using the slidingtype lever touch structure or fixed single of adjustable pressing dynamics The fixed lever construction of surging；
Wherein, the switching function structure uses the optoelectronic switch functional structure or hardware contact/shrapnel contact of optical path form Switching function structure；
When the lever touch structure is using the slidingtype lever touch structure of adjustable pressing dynamics, the switching function structure Using optical path form optoelectronic switch functional structure when, the input equipment microswitch key includes: upper set casing, slidingtype Lever actuating mechanism, the first briquetting, optical module, movable slider, metal clips, spring, lower set casing, PCB printed circuit Plate, SMD IR pipe, SMD PT pipe, wherein the slidingtype lever actuating mechanism includes the first lever and trim plate；
When the lever touch structure is using the fixed lever construction of fixed single pressing dynamics, the switching function structure is adopted When with the optoelectronic switch functional structure of optical path form, the input equipment microswitch key includes: upper set casing, fixed thick stick Rod structure, the first briquetting, optical module, movable slider, metal clips, spring, lower set casing, PCB printed circuit board, SMD IR pipe, SMD PT pipe, wherein the fixed lever construction includes the second lever；
When the lever touch structure is using the slidingtype lever touch structure of adjustable pressing dynamics, the switching function structure When using hardware contact/shrapnel contact switching function structure, the input equipment microswitch key include: upper set casing, Slidingtype lever actuating mechanism, third briquetting, fixed sheet metal, movable slider, the first metal clips, spring, lower set casing, PCB printed circuit board；Wherein, the slidingtype lever actuating mechanism includes the first lever and trim plate；
There is padlock ring below the two sides of fixed shell, is mutually interlocked with the padlock protrusion for being located at the lower set casing two sides Tightly, all components of the input equipment microswitch key are all locked within fixed shell and the lower set casing, And it is fixed on the PCB printed circuit board of lower section；
Have a second raised briquetting on the left of first lever, for the pushing of key, on the right side of lower section have one A the first salient point for trim locations, for adjusting pressing dynamics；There are 3 to be located at different location above the trim plate First salient point cooperation of trim locations below the pit to match with first salient point, with first lever makes With for the fine tuning of the various pressing dynamics of slidingtype lever actuating mechanism, there is a connecting shaft on right side, so that the slidingtype Lever actuating mechanism can be rotated around the connecting shaft, amplified according to lever principle be applied to lower section first briquetting by Surging；
There are a buckle, its right side to have first optical prism below the left side of first briquetting；When described first When second briquetting stress of lever left hand projection pushes, the slidingtype lever actuating mechanism stress is pushed, in lever principle Under the action of push lower section first briquetting move downward, be further driven to left side the buckle and right side it is described First optical prism moves downwardly together；
The movable slider is buckled in the outside of the buckle, and there is second salient point in left side；Its of the metal clips is right There is a bending protrusion in side, and when button pressed, first briquetting drives the movable slider downlink, when the activity is sliding When second salient point on the left of block crosses the bending protrusion on the right side of the metal clips, in the reversed work of bending protrusion Under the action of firmly, the movable slider is quickly moved downwards, so that being located at plane and the institute of the movable slider inside front It states buckle and generates fast ram, clear and melodious strike note is formed, thus pressing paragraph sense when generating button pressed；
The spring is located at the shaft position of the lower set casing, and the rising after realizing button pressed springs back function；
The SMD IR pipe and the SMD PT pipe are respectively intended to emit and receive optical signal, optical module and position with top The first optical prism on the right side of the first briquetting together, realizes the control of key switch conducting and disconnection.
2. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that the optics Component is the first optical module, and first optical module includes the first combined prism, and first combined prism includes being located at It is the first transmission plane above the SMD IR pipe and the first collimation convex surface, first on the right side of first optical prism perpendicular Straight output face and the first fully reflecting surface and the first Fresnel surface above SMD PT pipe.
3. a kind of lever-type input equipment microswitch key according to claim 2, which is characterized in that when described defeated When entering equipment microswitch key does not have stress pushing, first optical prism on the right side of first briquetting is in top Position, the first vertical output face is not aligned with the first fully reflecting surface on the right side of first optical module, from the SMD First collimation of the light that IR pipe projects by first transmission plane incidence and then process top above it is convex Face collimation, the light after collimating are incident in first optical prism in top position, are all-trans by described first It penetrates after the total reflection turnover of face, along horizontal direction from the described first vertical output face output on right side, at this time due to described the One vertical output face is not aligned with first fully reflecting surface on the right side of first optical module, vertical defeated from described first The light for appearing to export cannot be totally reflected by first fully reflecting surface, and light cannot be coupled to the SMD below In PT pipe, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
4. a kind of lever-type input equipment microswitch key according to claim 3, which is characterized in that when described defeated When entering the pushing of equipment microswitch key stress, the second briquetting stress of first lever is pushed, the slidingtype lever Actuating mechanism pushes first optical prism being located on the right side of first briquetting to lower position, and described first is perpendicular at this time Straight output face is aligned with first fully reflecting surface on the right side of first optical module, the light projected from the SMD IR pipe Line is incident by first transmission plane above it and then passes through first collimation convex surface collimation of top, collimation Light later is incident in first optical prism, after reflection turnover of the first fully reflecting surface described in its, along level Direction from the described first vertical output face output on the right side of it, due to the described first vertical output face at this time and first light First fully reflecting surface alignment on the right side of component is learned, the light exported from the described first vertical output face is vertical through described first Input face is again incident in first optical module, and is incident on to the right on first fully reflecting surface, further by institute It states the first fully reflecting surface to be totally reflected, the light after total reflection is transferred downwards and is incident on first Fresnel surface, most For post-concentration into the SMD PT pipe below, optical path is in the conductive state, the circuit trigger current being attached thereto.
5. a kind of lever-type input equipment microswitch key according to claim 4, which is characterized in that the optics Component is the second optical module, and second optical module includes the second combined prism, and second combined prism includes being located at It is the second Fresnel surface and the second transmission plane above SMD IR pipe, second on the right side of first optical prism vertical defeated Enter face and the second fully reflecting surface and the third Fresnel surface above SMD PT pipe.
6. a kind of lever-type input equipment microswitch key according to claim 5, which is characterized in that when described defeated When entering equipment microswitch key does not have stress pushing, top is in positioned at first optical prism of first briquetting Position, the first vertical output face is not aligned with second fully reflecting surface on the right side of second optical module, from institute The light of SMD IR pipe injection is stated after second Fresnel surface collimation above it, collimated ray is using top Second transmission plane exports upwards, and output light is incident in first optical prism in top position, warp It crosses after its described first fully reflecting surface total reflection turnover, the described first vertical output face along horizontal direction from right side is defeated Out, since the described first vertical output face at this time is not aligned with the second fully reflecting surface on the right side of second optical module, from The light of the first vertical plane output cannot be totally reflected by second fully reflecting surface, and light cannot be coupled to below The SMD PT pipe in, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
7. a kind of lever-type input equipment microswitch key according to claim 6, which is characterized in that when described defeated When entering the pushing of equipment microswitch key stress, the slidingtype lever actuating mechanism will be located at described in first briquetting First optical prism pushes lower position to, and described the on the right side of the described first vertical output face at this time and second optical module Two fully reflecting surfaces align, and the light projected from the SMD IR pipe collimates it by second Fresnel surface above it Afterwards, it is exported using second transmission plane of top, output light is incident in first optical prism, by its institute After stating the reflection turnover of the first fully reflecting surface, along horizontal direction from the described first vertical output face output on the right side of it, at this time Since the described first vertical output face is aligned with second fully reflecting surface on the right side of second optical module, from described first The light of vertical output face output is again incident in second optical module by the described second vertical input face, and is entered to the right It is mapped on second fully reflecting surface, is further totally reflected by second fully reflecting surface, the light after total reflection is downward It transfers and is incident on the third Fresnel surface, finally converge in the SMD PT pipe below, optical path is on State, the circuit trigger current being attached thereto.
8. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that the optics Component is third optical module, and the third optical module includes third combined prism and second plane mirror, described the Three combined prisms include that the third transmission plane and second above the SMD IR pipe collimates convex surface and is located at described The 4th Fresnel surface and first level input face above SMD PT pipe, it is flat that the second plane mirror is set as 45 degree of inclinations Face.
9. a kind of lever-type input equipment microswitch key according to claim 8, which is characterized in that when described defeated When entering equipment microswitch key does not have stress pushing, the first plane mirror to link together with first briquetting is in Top position, the second plane mirror for not being located at lower position with right side are aligned, and are projected from the SMD IR pipe Light by the third transmission plane above it is incident after, incident ray is convex using second collimation of top Face is collimated, and the light after collimation exports upwards, and it is anti-that collimated ray is incident on first plane in top position It penetrates in mirror, after its reflection turnover, along horizontal direction toward the outgoing of right, due to first plane mirror at this time It is not aligned with the second plane mirror on right side, the light by first plane mirror reflection turnover cannot be by institute It states second plane mirror to be reflected, light cannot be coupled in the SMD PT pipe below, and optical path, which is in, disconnects shape State, the circuit being attached thereto are unable to trigger current.
10. a kind of lever-type input equipment microswitch key according to claim 9, which is characterized in that when described When input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will be located at below first briquetting First plane mirror push lower position to, at this time first plane mirror be located at the described second flat of right side Face reflecting mirror aligns, and the light projected from the SMD IR pipe passes through after the third transmission plane incidence above it, It is collimated using second collimation convex surface of top, the light after collimation exports upwards, and output light is incident on On first plane mirror of side, after its reflection turnover, projected to the right along horizontal direction, due to described at this time The second plane mirror on the first plane mirror and right side aligns, by first plane mirror reflection turnover Light is reflected by the second plane mirror, below directive, is further assembled by the 4th Fresnel surface, meeting Light after poly- focuses in the SMD PT pipe below, and optical path is in the conductive state, the circuit triggering electricity being attached thereto Stream.
11. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that the light Component is the 4th optical module, and the 4th optical module includes the second free-form surface mirror, second free form surface Reflecting mirror forms together with the first free-form surface mirror being located on the right side of first briquetting and is connected and breaks to key switch The control opened.
12. a kind of lever-type input equipment microswitch key according to claim 11, which is characterized in that described One free-form surface mirror and second free-form surface mirror are that off axis paraboloid mirror, off-axis quadratic surface or multinomial are bent Face.
13. a kind of lever-type input equipment microswitch key according to claim 12, which is characterized in that when described When input equipment microswitch key does not have stress pushing, first free form surface that links together with first briquetting Reflecting mirror is in top position, and second free-form surface mirror that lower position is not located at right side is aligned, from institute The light of SMD IR pipe injection is stated after first free-form surface mirror reflection above it, light is collimated, and It is horizontal to the right to project, since second free-form surface mirror is not reflected with first free form surface on right side at this time Mirror aligns, by second free-form surface mirror reflection turnover light cannot by first free-form surface mirror into Row reflection and convergence, light cannot be coupled in the SMD PT pipe below, and optical path is in an off state, and is attached thereto Circuit is unable to trigger current.
14. a kind of lever-type input equipment microswitch key according to claim 13, which is characterized in that when described When input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will be located at the institute of first briquetting It states the first free-form surface mirror and pushes lower position to, by first free-form surface mirror at this time and the institute for being located at right side It states the second free-form surface mirror to align, the light projected from the SMD IR pipe is freely bent by described first above it After the reflection of face reflecting mirror, light is collimated, and it is horizontal to the right project, reflection light is incident on described the second of right side freely It is reflected, is finally converged to downwards in the SMD PT pipe, optical path is in the conductive state, therewith again on curved reflector Connected circuit trigger current.
15. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that the light Component is the 5th optical module, the 5th optical module include the first collimation lens above the SMD IR pipe and First triangular prism, the 4th combined prism above the SMD PT pipe, and first on the right side of the first briquetting Light barrier, first collimation lens include underlying 4th transmission plane and the third being located above collimation convex surface；Institute State the first triangular prism include underlying 5th transmission plane, upper left side be used for transfer light third fully reflecting surface and The second vertical output face positioned at right side；4th combined prism include underlying 5th Fresnel surface and be located at upper right Side is for optical 4th fully reflecting surface of transferring；5th Fresnel surface is also located above the SMD PT pipe simultaneously；It is described First light barrier links together with first briquetting, and first light barrier includes first light transmission part and lower part on top The first light-blocking part, first light transmission part be transparent translucent material or through-hole.
16. a kind of lever-type input equipment microswitch key according to claim 15, which is characterized in that when described When input equipment microswitch key does not have stress pushing, top is in positioned at first light barrier of first briquetting Position, the light-blocking part of described first of the black on first light barrier are kept off in the described second vertical output face and the described 4th Between fully reflecting surface, optical path cannot be coupled in the SMD PT pipe below by partition, and optical path is in an off state, therewith Connected circuit is unable to trigger current.
17. a kind of lever-type input equipment microswitch key according to claim 16, which is characterized in that when described When input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will be located at the institute of first briquetting It states the first light barrier and pushes lower position to, the described first light-blocking part of black moves down on first light barrier at this time, Be staggered optical path, and first light transmission part is then located in optical path, and the light projected from the vertical output face in left side described second can be with Into in the 4th combined prism on right side, the light projected from the SMD IR pipe is by the 4th light transmission above it After plane is incident, is collimated by the third collimation convex surface of top, above the light directive after collimation, be again incident on its top First triangular prism in, through the third fully reflecting surface total reflection after, light is defeated from the described second vertical output face Out, directive right is projected since the first light barrier is unobstructed to optical path at this time from the vertical output face in left side second in the horizontal direction Light, be incident on right side the 4th combined prism in, through the 4th fully reflecting surface total reflection after, light is downwards Turnover finally focuses in the SMD PT pipe of lower section, optical path is on shape after the 5th Fresnel surface convergence State, the circuit trigger current being attached thereto.
18. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that the light Component is the 6th optical module, and the 6th optical module includes the 5th combined prism, the 6th combined prism and is located at the The second light barrier on the right side of one briquetting, the 5th combined prism include be located below the 5th Fresnel surface for collimation, Positioned at upper left 5th fully reflecting surface, the vertical output face of the third positioned at right side；6th combined prism includes for gathering 6th Fresnel surface of light, the third positioned at upper right side for the 6th fully reflecting surface of light of transferring and positioned at left side are defeated vertically Enter face；Meanwhile the 5th Fresnel surface is located above the SMD IR pipe, the 6th Fresnel surface is located at the SMD PT Above pipe；Second light barrier links together with first briquetting, second light barrier include top second thoroughly Second light-blocking part of light part and lower part, second light transmission part are transparent translucent material or through-hole.
19. a kind of lever-type input equipment microswitch key according to claim 18, which is characterized in that when described When input equipment microswitch key does not have stress pushing, second light barrier on the right side of first briquetting is in Top position, the light-blocking part of described second of the black on second light barrier are kept off in the left side of the 6th optical module Between the vertical output face of the third and the vertical input face of the third on right side, optical path cannot be coupled to below by partition In the SMD PT pipe, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
20. a kind of lever-type input equipment microswitch key according to claim 19, which is characterized in that when described When input equipment microswitch key stress pushes, the slidingtype lever actuating mechanism will be located at the institute of first briquetting It states the second light barrier and pushes lower position to, the described second light-blocking part of black moves down on second light barrier at this time, The vertical input face of the third of the vertical output face of the left side third and right side that have been staggered in the 6th optical module it Between optical path, second light transmission part of second light barrier is located in optical path, the on the left of the 5th combined prism The light that three vertical output faces are projected enters in the right side of the 6th combined prism, i.e., the light projected from the SMD IR pipe After the 5th Fresnel surface collimation above it, above collimated ray directive, it is totally reflected through the 5th fully reflecting surface Later, light is from the third vertical output face output, in the horizontal direction directive right, due to second light barrier pair at this time Optical path is unobstructed, and the light projected from the vertical output face of the left side third is incident in the 6th combined prism on right side, After the 6th fully reflecting surface total reflection, light is transferred downwards, then after the 6th Fresnel surface convergence, is finally collected In into the SMD PT pipe of lower section, optical path is in the conductive state, the circuit trigger current being attached thereto.
21. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that the SMD PT pipe is vertically placed on the lower set casing, and the SMD IR pipe is placed horizontally on PCB printed circuit board.
22. a kind of lever-type input equipment microswitch key according to claim 21, which is characterized in that the light Component is the 7th optical module, the 7th optical module include the second collimation lens above the SMD IR pipe and Second triangular prism, the first collector lens on the left of the SMD PT pipe, and on the right side of first briquetting Third light barrier；Wherein, second collimation lens includes underlying 5th transmission plane and the 4th standard being located above Straight convex surface；Second triangular prism includes that the third of underlying 6th transmission plane, upper left side for light of transferring is complete Reflecting surface and the 4th vertical output face positioned at right side；Wherein, the first collector lens include erecting positioned at the 4th of left side Straight input face and the 7th Fresnel surface for optically focused positioned at right side；Wherein, the third light barrier includes the third on top The light-blocking part of the third of light transmission part and lower part, wherein the third light transmission part is transparent translucent material or through-hole.
23. a kind of lever-type input equipment microswitch key according to claim 22, which is characterized in that when described When input equipment microswitch key does not have stress pushing, top is in positioned at the third light barrier of first briquetting Position, the light-blocking part of the third of the black on the third light barrier keep off the institute on the right of second triangular prism of left side Between the 4th vertical input face for stating the 4th vertical output face and the right side first collector lens, optical path cannot by partition It is coupled in the SMD PT pipe on the right side of it, optical path is in an off state, and the circuit being attached thereto is unable to trigger current.
24. a kind of lever-type input equipment microswitch key according to claim 23, which is characterized in that when described When input equipment microswitch key does not have stress pushing, the slidingtype lever actuating mechanism will be located at first briquetting The third light barrier push lower position to, at this time on the third light barrier the light-blocking part of the third of black to moving down Dynamic, be staggered optical path, and the third light transmission part is then located in optical path, and the described 4th from left side second triangular prism is vertical The light that output face is projected can enter in the first collector lens on right side, and the light projected from the SMD IR pipe passes through It is quasi- by the 4th collimation convex surface of top after the 5th transmission plane of its top second collimation lens is incident Directly, it above the light directive after collimation, is again incident in second triangular prism above it, through the upper left third After fully reflecting surface total reflection, reflection light is from the described 4th vertical output face output, in the horizontal direction directive right, due to this Shi Suoshu third light barrier is unobstructed to optical path, and the light projected from the vertical output face in left side the described 4th is incident on right side In the first collector lens, after being assembled through the 7th Fresnel surface, finally focuses on right and be located on lower set casing In the SMD PT pipe, optical path is in the conductive state, the circuit trigger current being attached thereto.
25. a kind of lever-type input equipment microswitch key according to claim 1, which is characterized in that described Three briquettings, on the left of lower section have a buckle；When the second briquetting stress of lever left hand projection pushes, the sliding Formula lever actuating mechanism stress pushes, and third briquetting under the action of lever principle below promotion moves downward, further The buckle in left side is driven to move downwardly together；The fixed sheet metal has second contact thereon；First metal elastic There is a bending protrusion on piece, right side, have first contact above the bending protrusion.
26. a kind of lever-type input equipment microswitch key according to claim 25, which is characterized in that when described When input equipment microswitch key does not have stress pushing, the third briquetting drives the movable slider downlink, when described When second salient point on the left of movable slider crosses the bending protrusion on the right side of first metal clips, in the bending Under the action of raised opposition, the movable slider is quickly moved downwards, so that being located at the movable slider inside front Plane and the buckle generation fast ram, clear and melodious strike note is formed, thus pressing paragraph sense when generating button pressed.
27. a kind of lever-type input equipment microswitch key according to claim 26, which is characterized in that described The lead of circuit positive and negative anodes is separately connected below one metal clips and the fixed sheet metal, when the input equipment microswitch When key does not have stress pushing, the bending protrusion of first metal clips is by second salient point of the movable slider It withstands, is now placed in first contact on first metal clips and described second on the fixed sheet metal Contact separates, and the circuit being attached thereto is in an off state.
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CN108346536A (en) * 2017-01-24 2018-07-31 致伸科技股份有限公司 Press-key structure
CN107370480B (en) * 2017-08-22 2023-07-21 无锡华普微电子有限公司 Button type human body infrared induction switch
CN110677147B (en) * 2019-08-20 2023-12-05 贵州振华华联电子有限公司 High-reliability photoelectric switch with micro-switch characteristic
CN216719789U (en) * 2022-01-21 2022-06-10 深圳市亚微力控科技有限公司 Microswitch and mouse

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US5057657A (en) * 1990-07-23 1991-10-15 Vedran Skulic Electrical switch actuator mechanism
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