CN107180718A - A kind of heavy template die group optoelectronic switch and keyboard - Google Patents
A kind of heavy template die group optoelectronic switch and keyboard Download PDFInfo
- Publication number
- CN107180718A CN107180718A CN201710561928.0A CN201710561928A CN107180718A CN 107180718 A CN107180718 A CN 107180718A CN 201710561928 A CN201710561928 A CN 201710561928A CN 107180718 A CN107180718 A CN 107180718A
- Authority
- CN
- China
- Prior art keywords
- optoelectronic switch
- template die
- circuit board
- die group
- optic coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/968—Switches controlled by moving an element forming part of the switch using opto-electronic devices
- H03K17/969—Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/002—Calculator, computer
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention provides a kind of heavy template die group optoelectronic switch, for keyboard switch, including shell and two optic coupling elements, two optic coupling elements are respectively photocell and light receiving element；Shell, which has, to be fixedly connected and symmetrically arranged two fixed parts, two optic coupling elements are respectively mounted the inside for being embedded in two fixed parts, and have between two optic coupling elements on the path channels of conducting, shell with the break-make groove intersected with path channels, break-make groove insertion shell；Two optic coupling elements respectively have two pins, and each pin is respectively provided with connection end, and the side wall of dorsad another fixed part of fixed part where the connection end of two pins of each optic coupling element is stretched out, the plane where the connection end of two pins is vertical with break-make groove.Present invention also offers a kind of keyboard provided with the heavy template die group optoelectronic switch.The present invention can be under conditions of operating handle not be influenceed, and effectively reduction button highly, can be applied to the portable digital equipments such as conventional keyboard and notebook computer simultaneously.
Description
Technical field
The present invention relates to electronic equipment input device technical field, more particularly to a kind of heavy template die group optoelectronic switch and band
There is the keyboard of the heavy template die group optoelectronic switch.
Background technology
At present, mechanical keyboard is the main flow in computor-keyboard market, and its on-off principle is：When button pressed is with loosening,
Hard contact on mechanical keys axle contacts with non-contact action to realize electricity with the metal clips being fixed on housing
The conducting and disconnection on road, this mechanical contact structure easily produce fatigability infringement, and shell fragment easily weares and teares with contact, so as to go out
Now switch control failure or misoperation control, life of product fall short of；Second, metal clips and contact are easily by use environment shadow
Ring and cause oxidation and aging, cause conducting contact bad, cause switch control failure or misoperation control.In addition, mechanical axle key
The button height of disk is higher, when button loosens, spring is upspring, from the height of keycap top to lower section pcb board (printed circuit board (PCB))
Spend for 16mm~19mm, button pressed on earth when height also have 12mm~15mm.
Photoelectric key board is technology emerging at present, and technical main way is to retain tradition machinery formula keyboard to open at present
The basic structure of module is closed, including key axle, spring, upper-lower casing are basically unchanged, and simply by original mechanical keyboard switching molding
The hard contact and shell fragment of group change optoelectronic switch into, and optoelectronic switch includes a light emitting devices and a light receiving element (light
Quick element).When button pressed or rising, optoelectronic switch is switched on or cut off, and is connected so as to trigger light receiving element
Circuit on and off.The advantage of photoelectric key board is：Control is accurate, switch switching action faster, sensitivity is high, feel more
Well, it will not be influenceed by contact wear and deterioration by oxidation, service life is long, high-frequency and prolonged application can be met；And
Jitter problem, odds and ends news in the absence of Mechanical Contact, the zero-lag of switch motion time, are operated sensitiveer, quick and accurate etc..But
Because photoelectric key board prior art is that, from original traditional mechanical keyboard switch module succession, its button highly compares
Height, volume ratio is larger, is relatively specific for desk-top input equipment, is not suitable for being integrated into notebook computer and miniature portable digital is set
It is standby upper.
The content of the invention
For technical problem present in above-mentioned prior art, the invention provides a kind of heavy template die group optoelectronic switch, sheet
The switch shaft of invention and specific structure, which coordinates, to be installed, and under conditions of operating handle is not influenceed, can significantly reduce button
Height；Present invention also offers a kind of keyboard of setting heavy template die group optoelectronic switch.
The technical scheme is that：A kind of heavy template die group optoelectronic switch, for keyboard switch, including shell and two light
Coupling element, two optic coupling elements are respectively photocell and light receiving element；
The shell, which has, to be fixedly connected and symmetrically arranged two fixed parts, and two optic coupling elements, which are respectively mounted, to be embedded admittedly
Being scheduled on the path channels between the inside of two fixed parts, and two optic coupling elements with conducting, the shell has and institute
State the intersecting break-make groove of path channels, shell described in the break-make groove insertion；
Two optic coupling elements respectively have the pin that two parallel intervals are set, and each pin is respectively provided with for accessing circuit
Connection end, the side wall of dorsad another fixed part of fixed part where the connection ends of two pins of each optic coupling element is stretched out, often
Plane where the connection end of two pins of individual optic coupling element is vertical with the break-make groove, and positioned at the two ends of the break-make groove
Between.
As preferred：The connection end of all pins of two optic coupling elements is in the same plane.
As preferred：Plane where the connection end of all pins of two optic coupling elements is parallel with the path channels.
As preferred：Two fixed parts are arranged at intervals and are connected by connecting portion, and the break-make groove is formed at therebetween.
As preferred：Two fixed parts are cube shaped in shape size identical.
As preferred：Each fixed part has the fixing hole of the fixed part described in parallel and insertion with the break-make groove, each
Fixed part has the breach of connection fixing hole in the side wall of dorsad another fixed part, and each fixed part has flat with path channels
One end that the fixing hole connects the breach is separated into two spaces by capable limiting section, the limiting section；
Two optic coupling elements are respectively in the fixing hole of place fixed part, and two pins of each optic coupling element are worn respectively
The two spaces of the limiting section both sides of fixed part where entering then bend 90 degree, make the connection ends of two pins from place fixed part
Breach pass where fixed part.
The present invention another technical scheme be：A kind of keyboard, including circuit board, in addition to it is heavy described in above-mentioned any one
Template die group optoelectronic switch, the control that the heavy template die group optoelectronic switch is embedded on the circuit board and accessed on circuit board
Circuit, and the path channels are with the positive concordant of the circuit board or between the front of the circuit board and the back side.
As preferred：The positioning hole for installing the heavy template die group optoelectronic switch is offered on the circuit board, it is described
Heavy template die group optoelectronic switch is arranged in the positioning hole.
As preferred：The side wall of the shell of the heavy template die group optoelectronic switch is provided with positioning convex, the positioning hole
The locating notch coordinated with the positioning convex is provided with, the positioning convex of the heavy template die group optoelectronic switch is located at the positioning
Inside breach, all pins of two optic coupling elements of the heavy template die group optoelectronic switch access electricity from the back side of the circuit board
Road.
As preferred：The height that the heavy template die group optoelectronic switch stretches out the back side of the circuit board is more than described in its stretching
The positive height of circuit board.
The beneficial effects of the invention are as follows：The present invention is improved by the structure to heavy template die group optoelectronic switch, and it is not
Under conditions of the operating handle for influenceing mechanical keyboard, the height of button can be significantly reduced, makes the applicable model of mechanical keyboard
Enclose wider, more preferably, shelf life is longer for operating handle, and the present invention is simultaneously suitable for portable numbers such as conventional keyboard and notebook computers
Word equipment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the heavy template die group optoelectronic switch of the embodiment of the present invention；
Fig. 2 is the upward view of the heavy template die group optoelectronic switch of the embodiment of the present invention；
Fig. 3 is the partial structural diagram of the keyboard of the embodiment of the present invention；
Fig. 4 is Fig. 3 explosive view；
Fig. 5 is the side view of the partial structurtes of the keyboard of the embodiment of the present invention；
Fig. 6 be in Fig. 5 A-A to sectional view；
Fig. 7 is the sectional view of B-B direction in Fig. 6；
Fig. 8 is the sectional view of the shaft core in the embodiment of the present invention；
Fig. 9 be in Fig. 7 C-C to sectional view；
Figure 10 is the upward view of the partial structurtes of the keyboard of the embodiment of the present invention.
100, circuit board in figure；110th, mounting hole；120th, positioning hole；121st, locating notch；200th, axle bed；210th, upper lid；
211st, main body；2111st, upper limit portion；212nd, connector；2121st, blocked hole；2122nd, reinforcement；213rd, through hole；220th, base；
221st, lower limit portion；2211st, guide pin bushing；2212、；2213rd, Access Division；2214th, torsion spring installation portion；2215th, stopper section；2216th, dash forward
Go out portion；222nd, locating part；223rd, the first chute；224th, the second chute；300th, shaft core；301st, control piece；302nd, feel touches block；
3021st, face is stirred on；3022nd, face is stirred under；303rd, guide pillar；304th, restriction protrusion；305th, blind hole；400th, spring；500th, torsion spring；
501st, stretch section；600th, heavy template die group optoelectronic switch；610th, shell；611st, fixed part；6111st, fixing hole；6112nd, breach；
6113rd, limiting section；6114th, locating dowel；6115th, cell body；612nd, connecting portion；613rd, break-make groove；620th, optic coupling element；621st, draw
Pin.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to what the present invention was protected
Scope.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As depicted in figs. 1 and 2, the invention provides a kind of heavy template die group optoelectronic switch 600, for keyboard switch.Heavy plate
Module optoelectronic switch 600 includes shell 610 and two optic coupling elements 620, two optic coupling elements 620 be respectively photocell and
Light receiving element.
Shell 610, which has, to be fixedly connected and symmetrically arranged two fixed parts 611, and two optic coupling elements 620 are respectively mounted
It is embedded in the path channels between the inside of two fixed parts 611, and two optic coupling elements 620 with conducting.Light path is led to
Road is passed through simultaneously by the light beam for being opened in the confession photocell transmitting that two insertions of 611 opposite face upper groove body of fixed part 6115 are constituted
Reach the passage at light receiving element.
There is the break-make groove 613 intersected with path channels, the insertion shell 610 of break-make groove 613 on shell 610.
Two optic coupling elements 620 respectively have the pin 621 that two parallel intervals are set, and each pin 621, which is respectively provided with, to be used for
The connection end of circuit is accessed, fixed part 611 where the connection end of two pins 621 of each optic coupling element 620 is stretched out is dorsad another
The side wall of one fixed part 611, plane and break-make groove 613 where the connection end of two pins 621 of each optic coupling element 620
Vertically, and between the two ends of break-make groove 613.
The connection end of all pins 621 of two optic coupling elements 620 is in the same plane, so as to installed in circuit board
100 the same side, facilitates and is installed, and is also convenient for the processing to circuit board 100.
Plane where the connection end of all pins 621 of two optic coupling elements 620 is parallel with path channels.So as to by institute
There is pin 621 to be all arranged on the same side of circuit board 100, facilitate and installed, be also convenient for the processing to circuit board 100.
Two fixed parts 611 are arranged at intervals and are connected by connecting portion 612, and break-make groove 613 is formed at therebetween, that is, are led to
Fault trough 613 is enclosed into the shape being typically open by two fixed parts 611 and connecting portion 612, and break-make groove 613, which is used to accommodate, to be controlled
Part 301 is simultaneously slided for control piece 301 in it, realizes the insertion to path channels and cut-off.
The shape size of two optic coupling elements 620 is identical, and two fixed parts 611 are cube shaped in shape size identical.
Make the monnolithic case of shell 610 more regular, be convenient for processing and install.
Each fixed part 611 has the fixing hole 6111 of and insertion fixed part 611 parallel with break-make groove 613, fixing hole
In the form fit of 6111 shape and the main body 211 of optic coupling element 620, the present embodiment, the shape of 620 main body of optic coupling element 211
To be cube shaped, thus fixing hole 6111 shape also to be cube shaped.
Each fixed part 611 has the breach 6112 of connection fixing hole 6111 in the side wall of dorsad another fixed part 611,
Each fixed part 611 has the limiting section 6113 parallel with path channels, and fixing hole 6111 is connected breach by limiting section 6113
6112 one end is separated into two spaces.It can so realize to the connection end of the pin 621 of optic coupling element 620 in fixed part
611 are accurately positioned parallel to position on the direction of break-make groove 613, to realize subsequently pacify heavy template die group optoelectronic switch 600
When loading onto circuit board 100, it is ensured that the on-position of the pin 621 of optic coupling element 620 and the control circuit on circuit board 100 is formed
Accurately position.
Two optic coupling elements 620 are located in the fixing hole 6111 of place fixed part 611 respectively, each optic coupling element 620
The two spaces of the both sides of limiting section 6113 of fixed part 611 then bend 90 degree where two pins 621 are respectively penetrated, and make two
The connection end of pin 621 passes place fixed part 611 from the breach 6112 of place fixed part 611.
It is as follows to the method installed between optic coupling element 620 and fixed part 611：Optic coupling element 620 is directed at fixation
The one end of fixing hole 6111 of portion 611 away from breach 6112, and ensure two pin 621 towards fixed part 611 and the transmitting of its light
Then face or light receiving surface is kept optic coupling element 620 when front direction is put into fixing hole 6111, and make towards break-make groove 613
Two pin 621 is respectively penetrated in the two spaces of the both sides of limiting section 6113 of fixed part 611, when two pins 621 are divided equally
Jin Ru not be after the two spaces of limiting section 6113, by two pins 621 to place fixed part 611 away from fixed part 611
Side bends 90 degree, that is, installs.Other any connectors 212 and auxiliary material can not used by such mode
On the basis of reach to being connected between optic coupling element 620 and fixed part 611, it is possible to realize to optic coupling element 620 with
Being accurately positioned between fixed part 611.
As shown in Figures 3 to 10, the present invention also provides a kind of keyboard, including circuit board 100 and the board-like ultra-thin photoelectricity machine that sinks
Tool keyboard switch.
As shown in figure 4, being machined with corresponding mounting hole 110 according to the quantity and arrangement mode of button on circuit board 100.
Heavy board-like ultra-thin photoelectric mechanical keyboard switch is fitted with each mounting hole 110 on circuit board 100.
Above-mentioned heavy template die group optoelectronic switch 600 is a part for heavy board-like ultra-thin photoelectric mechanical keyboard switch.
Control circuit is provided with circuit board 100, control circuit is generally arranged on circuit board 100 using mode of printing at present
On, with the thickness of control board 100, naturally it is also possible to be controlled the setting of circuit using other modes, control circuit
Processing mode is not the improvement of the present invention, is processed, will not be repeated here using existing method.Circuit board 100
Two sides is respectively front and back, and the one side towards keyboard operation direction is front, and another side is the back side.
It is further opened with the quantity identical positioning hole 120 of mounting hole 110 that (circuit board 100 in figure only shows on circuit board 100
The part comprising a mounting hole 110 and a positioning hole 120 is gone out, the overall structure of circuit board 100 can not be thought accordingly
So).Positioning hole 120 and the side positioned at mounting hole 110, and positioning hole 120 connects in side with mounting hole 110.
Heavy template die group optoelectronic switch 600 is arranged on circuit board 100 and accesses circuit board 100 from the back side of circuit board 100
On control circuit.Heavy template die group optoelectronic switch 600 has a photocell and be oppositely arranged with photocell one
Light receiving element, has the path channels that can be turned on, path channels and circuit board between photocell and light receiving element
100 is parallel.
The control circuit that heavy template die group optoelectronic switch 600 is embedded on circuit board 100 and accessed on circuit board 100,
And path channels are with the positive concordant of circuit board 100 or between the front of circuit board 100 and the back side.Heavy template die group photoelectricity
The height that switch 600 stretches out the back side of circuit board 100 is more than its stretching positive height of circuit board 100.
Positioning hole 120 on circuit board 100 is used to install heavy template die group optoelectronic switch 600, and positioning hole 120 is rectangular opening,
Heavy template die group optoelectronic switch 600 is arranged in positioning hole 120.
The side wall of the shell 610 of heavy template die group optoelectronic switch 600 is provided with positioning convex, positioning convex is locating dowel
6114, locating dowel 6114 is set parallel to break-make groove 613, and locating dowel 6114 is connected with limiting section 6113.
It is provided with the locating notch 121 coordinated with positioning convex at positioning hole 120, heavy template die group optoelectronic switch 600 is determined
Position is raised to be located inside locating notch 121.Pass through the cooperation of locating dowel 6114 and locating notch 121, you can realize heavy template die group
All pins 621 of two optic coupling elements 620 of optoelectronic switch 600 access the control circuit of circuit board 100 with accurately position.
As shown in Figure 10, sink template die group optoelectronic switch 600 two optic coupling elements 620 all pins 621 from circuit board
100 back side access circuit.The back side of circuit board 100 is provided with two pins for connecting two optic coupling elements 620 respectively
The access terminal of 621 connection end, sink template die group optoelectronic switch 600 two optic coupling elements 620 all pins 621 with it is corresponding
Circuit access terminal be close to, and by weld etc. mode be fixedly connected.
This sinks board-like ultra-thin photoelectric mechanical keyboard switch also including switch shaft.As Fig. 3 shows the knot of switch shaft into Fig. 9
Structure.
Switch shaft includes shaft core 300 and the internal axle bed 200 for cavity, and axle bed 200 is embedded at the mounting hole of circuit board 100
In 110, and its positive height for stretching out circuit board 100 is more than its height for stretching out the back side of circuit board 100.
Axle bed 200 is located at the positive part of institute's circuit board 100, and there is perpendicular circuit board 100 to set and the through hole of cavity is connected
213, shaft core 300 is slidably matched with through hole 213, and the template die group optoelectronic switch 600 that sinks is located at the outside side of axle bed 200, axle bed 200
On offer connection cavity and break-make groove 613 (connect cavity and light path is sensible) the first chute 223.
Passed as shown in fig. 7, shaft core 300 is provided with towards the side of heavy template die group optoelectronic switch 600 through the first chute 223
Axle bed 200 and the control piece 301 for separating path channels, the control piece 301 are stretched into channel slot.
Shaft core 300 and axle bed 200 are provided with spring 400 towards between the inner wall section of through hole 213.Along circuit board 100
Front to the back side direction to shaft core 300 apply pressure when, shaft core 300 can overcome spring 400 elastic force drive control piece
301 are moved to the position of path channels conducting along the direction at front to the back side of circuit board 100；When revocation is to the outer of shaft core 300
During power, shaft core 300 can spring 400 elastic force effect under drive the counter motion of control piece 301 be repositioned to path channels by every
Disconnected position.
As shown in Fig. 4 to Fig. 9, axle bed 200 is detachably connected and constituted by upper lid 210 and base 220, in the present embodiment, on
Lid 210 includes the connector 212 of the sum of main body 211.Through hole 213 on axle bed 200 is located in main body 211 and perpendicular to main body 211
Set.Main body 211 is rectangular plate-like structure, and connector 212 is two groups, and two groups of connectors 212 are symmetricly set on the two of main body 211
Individual relative edge.After connector 212 is connected with base 220, two groups of connectors 212 are respectively positioned on main body 211 towards base
220 side.Blocked hole 2121 is offered on every group of connector 212, for being connected with base 220.
In the present embodiment, every group of connector 212 is made up of two symmetrically arranged connectors 212.In order to increase structure
It is divided into spaced double-layer structure from the inside to the outside on intensity, each connector 212, is formed and base between outer layer and internal layer
The cell body 6115 of the side wall matching of 220 body, also has reinforcement 2122, the structure for strengthening internal layer is strong in the inside of internal layer
Degree.
As shown in figure 4, reinforcement 2122 is the semi-cylindrical form of vertical body 211, its curved wall is towards through hole 213.
After shaft core 300 is installed, linear contact lay is formed between the side wall outside of curved wall and shaft core 300, it is good to the formation of shaft core 300 one
Good circumference is spacing, and has guide effect to the motion of shaft core 300.Because being that line connects between reinforcement 2122 and shaft core 300
Touch, it is possible to efficiently reduce the frictional resistance in the motion process of shaft core 300.
As shown in Figure 4 and Figure 6, it is symmetrically arranged with the outside of the side wall of shaft core 300 corresponding with two groups of connectors 212 respectively
Two restriction protrusions 304, the space between two internal layers of every group of connector 212 is matched somebody with somebody with the corresponding gap of restriction protrusion 304
Close.Coordinated by restriction protrusion 304 and the gap in the space of every group of connector 212, positioned with the position to shaft core 300,
Shaft core 300 is avoided to be ejected the cavity of axle bed 200 in return.
As shown in Fig. 3 to Fig. 9, base 220 includes body and position limiting structure, and body profile is in cubic shaped, and body is
The open hollow structure in side.After upper lid 210 is connected with base 220, the main body 211 of the open lid 210 upwardly of body, and
Docked with main body 211.The body of the insertion base 220 of first chute 223.
As shown in figure 4, the thickness and connector of two side walls vertical with the side wall where the first chute 223 on body
The width matching of cell body 6115 between 212 outer layer and internal layer, to make upper lid 210 form one when being connected with base 220
Being accurately positioned on individual direction.
As shown in Figure 4 and Figure 5, the outside of two side walls vertical with the side wall where the first chute 223 on body has
Access Division 2213 corresponding with the connector 212 of upper lid 210, each Access Division 2213 and the clamping on corresponding connector 212
The correspondence of hole 2121, upper lid 210 and base 220 can be by the bodies of the blocked hole 2121 on connector 212 and base 220
Access Division 2213 forms and snapped connection.The mode snapped connection is prior art, i.e., pass through the elasticity of connector 212 in connection
Deformation makes Access Division 2213 enter blocked hole 2121, after Access Division 2213 is completely into blocked hole 2121, connector 212 times
Position eliminates deformation, and Access Division 2213 is formed and limited, the purpose of connection is reached.
As shown in Fig. 4 to Fig. 8, position limiting structure is locating part 222, after upper lid 210 and base 220 are connected, locating part
222 are located at the outer circumferential of the main body 211 of upper lid 210, and are close to the circumferential wall of main body 211.In the present embodiment, locating part 222
It is divided into two groups be oppositely arranged, after upper lid 210 and base 220 are connected, two groups of locating parts 222 are respectively positioned at upper lid 210
Outside two edges vertical with the edge where connector 212 of main body 211, and it is close to the main body 211 of lid 210, in Shang Gai
210 form being accurately positioned on another direction when being connected with base 220.The side of the remote body of two groups of locating parts 222 with
Side of the main body 211 away from body of upper lid 210 is flushed.
Cavity is enclosed and formed by upper lid 210 and base 220.After circuit board 100 is installed, the main body of upper lid 210 211
In the front of circuit board 100, the downside of circuit board 100 is stretched out in part of the base 220 away from upper lid 210.
There is the upper limit portion 2111 that the front with circuit board 100 is pushed against in the circumferential wall of upper lid 210.In the present embodiment
In, upper limit portion 2111 is located in the main body 211 of upper lid 210.Upper limit portion 2111 is two, respectively with connecting in main body 211
Two other vertical edge of edge where fitting 212 platy structure to be formed that stretches out is constituted.
Every group of locating part 222 of base 220 is located at the corresponding side of main body 211 for 222 points of two locating parts of two, every group
The two ends in the upper limit portion 2111 on edge.
The width in one of upper limit portion 2111 is more than the width in another upper limit portion 2111.Larger upper of the width
Limiting section 2111 is limited heavy template die group optoelectronic switch 600 after axle bed 200 is attached on circuit board 100 while also acting as
The effect of position.
As shown in Figure 4 and Figure 6, the circumferential wall of base 220 has the lower limit portion 221 that the back side with circuit board 100 is pushed against.
In the present embodiment, lower limit portion 221 is located on the body of base 220.Lower limit portion 221 is two, is respectively symmetrically arranged at this
The outside of the two side wall vertical with the side wall where the first chute 223 on body.Lower limit portion 221 is a resiliency slabstock structure,
Its one end is fixedly connected with body, and the other end is free end, and its free end is to being obliquely installed on the outside of body, the shape between body
Into gap.The main body 211 of the upward lid 210 of free end face in lower limit portion 221, after circuit board 100 is installed, lower limit portion
221 free end pushes against the back side of circuit board 100.When loading axle bed 200 in the mounting hole 110 on circuit board 100, pass through
The elastic deformation in lower limit portion 221 can load axle bed 200, after being installed in place, and the return of lower limit portion 221, which stretches out, to be installed
The outside in hole 110, and push against the back side of circuit board 100.Axle bed 200 is mutual by upper limit portion 2111 and lower limit portion 221
Cooperation forms spacing in the direction of motion of shaft core 300 with circuit board 100.
Optionally embodiment, the motion that cavity inside is additionally provided with to shaft core 300 perpendicular to circuit board 100 is carried out
The guide frame of guiding, guide frame is located at shaft core 300 and axle bed 200 towards between the inner wall section of through hole 213.
Guide frame includes the guide pillar 303 and guide pin bushing 2211 being mutually slidably matched, and guide pillar 303 is arranged on shaft core 300 and axle
In any one among seat 200, guide pin bushing 2211 is arranged on another.
Shaft core 300 is, towards the open hollow structure in the side of base 220, to be set in side of the shaft core 300 away from base 220
It is equipped with the blind hole 305 for installing button.
The one end of guide pillar 303 away from guide pin bushing 2211 is fixedly connected on the medial center of shaft core 300, and guide pin bushing 2211 is away from guide pillar
303 one end is fixedly connected on axle bed 200 towards the center of the inner wall section of through hole 213；
Or, the one end of guide pin bushing 2211 away from guide pillar 303 is fixedly connected on the medial center of shaft core 300, and guide pillar 303 is remote
One end of guide pin bushing 2211 is fixedly connected on axle bed 200 towards the center of the inner wall section of through hole 213.
In the present embodiment, as shown in Figure 6 to 8, guide pillar 303 is integrally disposed upon the medial center of shaft core 300, guide pin bushing 2211
This side wall of base 220 is integrally disposed upon to the center of open side.
Spring 400 is set on guide frame, and the medial center of one end abutting shaft core 300 of spring 400, spring 400
The other end push against this side wall of base 220 and push against axle bed to the center of open side, the i.e. other end of spring 400
200 towards through hole 213 inner wall section.
As shown in Fig. 4, Fig. 7 to Fig. 9, shaft core 300 has outwardly in the side away from heavy template die group optoelectronic switch 600
Feel touch block 302, axle bed 200 is offered on the side wall away from heavy template die group optoelectronic switch 600 to be touched block 302 for feel and stretches
The second chute 224 (lid 210 and base 220 in the insertion simultaneously of the second chute 224) gone out.Feel is touched block 302 and hung down in shaft core 300
Directly slided during circuit board 100 is moved in the second chute 224.
As shown in figures 7 and 9, in the outside of the body of the base 220 side wall relative with the side wall where the first chute 223
The installation portion 2214 of torsion spring 500 is provided with, torsion spring 500 is installed in the installation portion 2214 of torsion spring 500.One end of torsion spring 500 is located at
The inside of 500 installation portion of torsion spring 2214 is relatively fixed with the formation of base 220, and the other end extends to be formed with shaft core 300 perpendicular to circuit
The vertical stretch section 501 of the direction of motion of plate 100, torsion spring can be stirred when shaft core 300 is moved perpendicular to circuit board 100
500 stretch section 501.
Axle bed 200 also sets up stopper section 2215 and protuberance 2216 on the lateral wall away from heavy template die group optoelectronic switch 600.
Stopper section 2215 and protuberance 2216 are arranged at intervals successively along front to the direction at the back side of circuit board 100, the elasticity of torsion spring 500
Section 501 is located between stopper section 2215 and protuberance 2216.
Transported for limiting the back side to positive direction of the stretch section 501 of torsion spring 500 along circuit board 100 stopper section 2215
It is dynamic.During the direction that protuberance 2216 is used in shaft core 300 along front to the back side of circuit board 100 is moved, make torsion spring 500
Stretch section 501 depart from feel and touch the back side to positive direction of the block 302 along circuit board 100 and move return.
As shown in figure 8, feel touches block 302 with direction respectively in shaft core 300 along front to the back side of circuit board 100
Contact down the face of stirring 3022 when motion and reverse return with the stretch section 501 of torsion spring 500 and above stir face 3021.On stir face
3021 stir face 3022 with sets gradually along front to the direction at the back side of circuit board 100.Under stir face 3022 with above stirring
Face 3021 connects and mutually at an acute angle at one end, and arc transition is used in joint, and it is to stir face away under above to stir face 3021
3022 one end is to the inclined inclined-plane in inner side of axle bed 200.
With torsion spring 500 when protuberance 2216 is moved with the direction in shaft core 300 along front to the back side of circuit board 100
The working face that stretch section 501 is contacted, working face is identical with above stirring the incline direction of face 3021.
When direction of the shaft core 300 along front to the back side of circuit board 100 is moved, feel is touched block 302 and set aside by it
Dynamic face 3022 contacts with the stretch section 501 of torsion spring 500 and drives front of the stretch section 501 of torsion spring 500 along circuit board 100 to the back of the body
The direction motion in face, when the stretch section 501 of torsion spring 500 moves to the contact of incline plane with protuberance 2216, protuberance 2216
Inclined-plane gradually pushes up the stretch section 501 of torsion spring 500 lateral direction to axle bed 200, until the stretch section 501 of torsion spring 500 departs from
Feel is touched stirs behind face 3022 under block 302, and the stretch section 501 of torsion spring 500 is the back of the body under its own resilient along circuit board 100
Return is moved in face to positive direction, sends sound.
When return is moved at the back side of the shaft core 300 along circuit board 100 to positive direction, feel touches block 302 and passes through it
On stir face 3021 and contacted with the stretch section 501 of torsion spring 500 and gradually push up the stretch section 501 of torsion spring 500 to the outer of axle bed 200
Side to, until torsion spring 500 stretch section 501 depart from feel touch block 302 on stir behind face 3021, the elasticity of torsion spring 500
The inner side direction return of the axle bed 200 i.e. under its own resilient of section 501, sends sound.
The present invention has advantages below：
1. the heavy plate module type optoelectronic switch combined by shell, photocell and light receiving element, can meet water chance
Dirt can still work.
2. there are a variety of sense of touch selections (thering is sound to there is paragraph sense, voiceless sound to have paragraph sense, linear pattern etc.).
3. switching, the response time is fast, and service life is long, contactless service life limitation.
4. mechanical switch sense of touch is not lost.
5. it is convenient and swift to produce keyboard processing procedure, efficiency high.
6. paster LED lamp can be coordinated to use simultaneously.
7. mechanical switch and functional switch (module type optoelectronic switch) two style structure.
8. total height is ultra-thin, the fields such as notebook computer, commercial keyboard are mainly used to.
9. being realized using elastomer (torsion spring) has the tick sound feel of clear and melodious sound.
More than, it is only the embodiment of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be covered
Within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
1. a kind of heavy template die group optoelectronic switch, for keyboard switch, it is characterised in that：Including shell (610) and two optocoupler members
Part (620), two optic coupling elements (620) are respectively photocell and light receiving element；
The shell (610), which has, to be fixedly connected and symmetrically arranged two fixed parts (611), two optic coupling elements (620) point
An Zhuan not be embedded in has conducting light path between the inside of two fixed parts (611), and two optic coupling elements (620) is led to
With the break-make groove (613) intersected with the path channels on road, the shell (610), described in break-make groove (613) insertion
Shell (610)；
Two optic coupling elements (620) respectively have the pin (621) that two parallel intervals are set, and each pin (621) is respectively provided with use
In the connection end of access circuit, fixed part where the connection end of two pins (621) of each optic coupling element (620) is stretched out
(611) where the dorsad side wall of another fixed part (611), the connection end of two pins (621) of each optic coupling element (620)
Plane it is vertical with the break-make groove (613), and positioned at the break-make groove (613) two ends between.
2. heavy template die group optoelectronic switch according to claim 1, it is characterised in that：Two optic coupling elements (620) it is all
The connection end of pin (621) is in the same plane.
3. heavy template die group optoelectronic switch according to claim 2, it is characterised in that：Two optic coupling elements (620) it is all
Plane where the connection end of pin (621) is parallel with the path channels.
4. heavy template die group optoelectronic switch according to claim 3, it is characterised in that：Two fixed parts (611) are arranged at intervals
And be connected by connecting portion (612), the break-make groove (613) is formed at therebetween.
5. heavy template die group optoelectronic switch according to claim 4, it is characterised in that：Two fixed parts (611) are big in shape
Small identical is cube shaped.
6. heavy template die group optoelectronic switch according to claim 5, it is characterised in that：Each fixed part (611) has and institute
State that break-make groove (613) is parallel and insertion described in fixed part (611) fixing hole (6111), each fixed part (611) is dorsad another
The side wall of one fixed part (611) has the breach (6112) of connection fixing hole (6111), and each fixed part (611) has and light
The fixing hole (6111) is connected the breach (6112) by the parallel limiting section of paths (6113), the limiting section (6113)
One end be separated into two spaces；
Fixing hole (6111) of two optic coupling elements (620) respectively positioned at place fixed part (611) is interior, each optic coupling element
(620) two pins (621) respectively penetrate where fixed part (611) limiting section (6113) both sides two spaces and palintrope
90 degree of folding, makes the connection end of two pins (621) pass place fixed part from the breach (6112) of place fixed part (611)
(611)。
7. a kind of keyboard, including circuit board (100), it is characterised in that：Also include in claim 1 to 6 described in any one
Heavy template die group optoelectronic switch (600), the heavy template die group optoelectronic switch (600) is embedded on the circuit board (100) simultaneously
The control circuit accessed on circuit board (100), and the path channels and the positive concordant of the circuit board (100) or be located at
Between the front of the circuit board (100) and the back side.
8. keyboard according to claim 7, it is characterised in that：Offered on the circuit board (100) described for installing
The positioning hole (120) of heavy template die group optoelectronic switch (600), the heavy template die group optoelectronic switch (600) is arranged on the positioning hole
(120) in.
9. keyboard according to claim 8, it is characterised in that：The shell (610) of the heavy template die group optoelectronic switch (600)
Side wall be provided with positioning convex, positioning hole (120) place is provided with the locating notch coordinated with the positioning convex
(121), the positioning convex of the heavy template die group optoelectronic switch (600) is located at the locating notch (121) inside, the heavy template die
All pins (621) of two optic coupling elements (620) of group optoelectronic switch (600) are accessed from the back side of the circuit board (100)
Circuit.
10. the keyboard according to any one in claim 7 to 9, it is characterised in that：The heavy template die group optoelectronic switch
(600) height for stretching out the back side of the circuit board (100) is more than its stretching positive height of the circuit board (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561928.0A CN107180718A (en) | 2017-07-11 | 2017-07-11 | A kind of heavy template die group optoelectronic switch and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561928.0A CN107180718A (en) | 2017-07-11 | 2017-07-11 | A kind of heavy template die group optoelectronic switch and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107180718A true CN107180718A (en) | 2017-09-19 |
Family
ID=59837330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710561928.0A Pending CN107180718A (en) | 2017-07-11 | 2017-07-11 | A kind of heavy template die group optoelectronic switch and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107180718A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023020287A1 (en) * | 2021-08-17 | 2023-02-23 | 东莞市凯华电子有限公司 | Lateral conduction component for key switch |
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| WO2023020287A1 (en) * | 2021-08-17 | 2023-02-23 | 东莞市凯华电子有限公司 | Lateral conduction component for key switch |
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Application publication date: 20170919 |
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