CN105679563B - Press-key structure - Google Patents
Press-key structure Download PDFInfo
- Publication number
- CN105679563B CN105679563B CN201610191238.6A CN201610191238A CN105679563B CN 105679563 B CN105679563 B CN 105679563B CN 201610191238 A CN201610191238 A CN 201610191238A CN 105679563 B CN105679563 B CN 105679563B
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- CN
- China
- Prior art keywords
- bottom plate
- keycap
- circuit board
- microswitch
- hole
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
- H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
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- Push-Button Switches (AREA)
Abstract
The present invention is about press-key structure, and it includes bottom plate, keycap, circuit board and microswitch, insole board has switch hole；Keycap can be movably set to above bottom plate relative to bottom plate；Circuit board is set on bottom plate and has through-hole；Microswitch is located at below keycap and passes through through-hole to be partially placed in switch hole, and microswitch electrical connection circuit plate, when keycap is mobile towards bottom plate, keycap triggers microswitch.Press-key structure provided by the invention, the pressing feel of user can be promoted by the setting of microswitch, and by the way that circuit board to be set to above bottom plate to and opened up the hole of accommodating microswitch, the thickness of circuit board and bottom plate can be made full use of, the whole height of press-key structure is effectively reduced.
Description
Technical field
Present invention relates generally to a kind of press-key structures, specifically, the present invention can have about a kind of promotion pressing feel again
Effect reduces the press-key structure of key height.
Background technique
The switch element that known keyboard structure is generated usually using membrane circuit layer as signal.In general, thin-film electro
Road floor is by upper circuit layer, lower circuit layer and separates the wall of upper and lower circuit layer and is constituted, wherein upper and lower circuit layer with pair
The a plurality of make and break contacts answered are using the trigger circuit as plural key.When pressing keycap triggering membrane circuit layer, upper circuit
Layer deformation and make the make and break contact of circuit layer contact the correspondence make and break contact of lower circuit layer, and then thin film switch is connected and
Generate signal.It frequently uses or is easily damaged when exerting a force improperly however, membrane circuit layer is passed through, and be difficult to repair.
Furthermore when the trigger circuit for corresponding to some key in membrane circuit layer is damaged, corresponding touching can not be repaired for individual keys
Power Generation Road, and the membrane circuit layer of entire keyboard must be replaced, so that maintenance cost is higher.
In addition, lacking distinct segment difference feedback when user presses keycap triggering membrane circuit layer, causing the feel of pressing
It is bad, the manipulation sense of user is unable to satisfy in the operation of game.
Therefore, one of the emphasis that key height is research and development is effectively reduced in the pressing feel for how promoting press-key structure again.
Summary of the invention
A purpose of the present invention is that providing a kind of press-key structure, the pressing hand of user is promoted using microswitch
Sense, and the feasibility of individual keys maintenance can be promoted.
Another object of the present invention is to provide a kind of press-key structures, integrate light-emitting component and/or electronic component in electricity
On the plate of road, with optimized key arrangement.
Another object of the present invention is to provide a kind of press-key structure, by the portion of the opening design accommodating key of bottom plate
Part, key height is effectively reduced.
In an embodiment, the present invention provides a kind of press-key structure, it includes bottom plate, keycap, circuit board and microswitch,
Insole board has switch hole；Keycap can be movably set to above bottom plate relative to bottom plate；Circuit board is set on bottom plate and has
There is through-hole；Microswitch is located at below keycap and across through-hole to be partially placed in switch hole, microswitch electrical connection circuit
Plate, when keycap is mobile towards bottom plate, keycap triggers microswitch.
In an embodiment, press-key structure further includes light-emitting component, wherein light-emitting component electrical connection circuit plate and exposes to electricity
Road plate upper surface makes light-emitting component can be towards keycap throw light.
In an embodiment, press-key structure further includes electronic component, and insole board has more component hole, and electronic component is electrically connected
It connects circuit board and protrudes from circuit board lower surface, upper and lower surfaces are opposite, and electronic component is at least partly placed in component hole
In.
In an embodiment, circuit board has upper wiring layer and lower wiring layer, wherein upper wiring layer is electrically connected light-emitting component,
Lower wiring layer is electrically connected electronic component.
In an embodiment, press-key structure further includes support unit, wherein support unit connection keycap and bottom plate, to support key
Cap is moved relative to bottom plate.
In an embodiment, bottom plate has an at least coupling, and circuit board has an at least holes, wherein at least a holes
A corresponding at least coupling, so that an at least coupling is upward through at least holes coupling support unit.
In an embodiment, circuit board is rigid printed circuit board, is triggered micro- when keycap is mobile towards bottom plate in response to pressing force
When dynamic switch, rigid printed circuit board can bear the pressing force of microswitch transmitting, from being bent downwardly deformation.
In an embodiment, microswitch has housing sidewall and an at least pin, and at least a pin is from housing sidewall
The first horizontal extension of section and go out, then bend still further below with electrical connection circuit plate.
In an embodiment, switch hole is greater than through-hole, bends downward an at least pin and is electrically connected electricity with electrical connection circuit plate
After the plate of road, pin end portion is placed in switch hole, and pin end portion and bottom plate is made to keep default spacing.
It is consistent in the outer diameter of an embodiment, the housing sidewall of the pore size and microswitch of through-hole, so that microswitch
It is embedded in through-hole, the housing sidewall of microswitch is substantially affixed with through-hole wall.
In another embodiment, the present invention provides a kind of press-key structure, it includes bottom plate, circuit board, keycap, support unit and
Microswitch, wherein circuit board is set on bottom plate；Keycap is set to circuit board, and a spacing is kept between keycap and bottom plate,
Keycap has keycap middle line；Support unit is set between bottom plate and keycap, and support unit connects keycap and bottom plate, to support key
Cap can be moved relative to bottom plate, and support unit has symmetrical structure relative to keycap middle line；Microswitch is set under keycap
Side, keycap middle line are supported unit by the microswitch microswitch and are surrounded, and microswitch has housing bottom surface and plural number
A pin, for microswitch through a plurality of pins with electrical connection circuit plate, housing bottom surface is at least partly connected to the upper of circuit board
Surface；When keycap is pressed towards when bottom plate movement, keycap triggers microswitch；When keycap is released, microswitch makes key
Cap is moved upwards towards mobile far from bottom plate direction.
In another embodiment, the present invention provides a kind of press-key structure, it includes bottom plate, circuit board, keycap, microswitch and
Electronic component, insole board have component hole；Keycap can be movably set to above bottom plate relative to bottom plate；Circuit board is set to
On bottom plate；Microswitch is set to below keycap, and microswitch has housing bottom surface and a plurality of pins, and microswitch is through multiple
Several pins are with electrical connection circuit plate, and housing bottom surface is at least partly connected to the upper surface of circuit board；Electronic component electrical connection
Circuit board and the lower surface for protruding from circuit board, electronic component are at least partly placed in component hole.
In an embodiment, it include also light-emitting component, wherein the light-emitting component is electrically connected the circuit board and exposes to the circuit
The upper surface of plate makes the light-emitting component towards the keycap throw light.
In an embodiment, which has upper wiring layer and lower wiring layer, and wiring layer is electrically connected the member that shines on this
Part, the lower wiring layer are electrically connected the electronic component.
It also include electronic component in an embodiment, wherein the bottom plate has more component hole, and electronic component electrical connection should
Circuit board and the lower surface for protruding from the circuit board, the electronic component are at least partly placed in the component hole.
In an embodiment, circuit board has more through-hole, and at least partly housing bottom surface is arranged in through-hole, to reach positioning effect
Fruit.
In an embodiment, which also has keycap middle line, which has symmetrical relative to the keycap middle line
Structure, the microswitch are located at below the keycap middle line.
Compared with prior art, press-key structure provided by the invention can promote user's by the setting of microswitch
Feel is pressed, and microswitch is integrated in the circuit board of power path needed for providing, and can promote the feasibility of individual keys maintenance
And convenience.Further, by the way that circuit board to be set to above bottom plate to and opened up hole (such as the through-hole of accommodating microswitch
And switch hole), the thickness of circuit board and bottom plate can be made full use of, the whole height of press-key structure is effectively reduced.
Detailed description of the invention
Figure 1A is that the press-key structure of one embodiment of the invention overlooks the explosive view at visual angle；
Figure 1B is that the press-key structure of one embodiment of the invention looks up the explosive view at visual angle；
Fig. 1 C and Fig. 1 D are respectively the diagrammatic cross-section of the press-key structure different directions of Figure 1A；
Fig. 2 to Fig. 5 is the schematic diagram of the press-key structure of different embodiments of the invention；
Fig. 6 A is that the press-key structure of another embodiment of the present invention overlooks the explosive view at visual angle；
Fig. 6 B is that the press-key structure of another embodiment of the present invention looks up the explosive view at visual angle；
Fig. 6 C and Fig. 6 D are respectively the diagrammatic cross-section of the press-key structure different directions of Fig. 6 A；And
Fig. 7 is the schematic diagram of the press-key structure of further embodiment of this invention.
Specific embodiment
The present invention provides a kind of press-key structure, can be applied to any pressing type input device, such as keyboard, is pressed with being promoted
Pressure feel is effectively reduced key height, promotes maintenance feasibility.Schema is referred in rear, embodiment that the present invention will be described in detail is pressed
The structure and operation of each element of bond structure.
As shown in Figure 1A to Fig. 1 D, in an embodiment, press-key structure 10 include bottom plate 110, keycap 120, circuit board 130 and
Microswitch 140.Bottom plate 110 has switch hole 112；Keycap 120 can be movably set on bottom plate 110 relative to bottom plate 110
Side；Circuit board 130 is set on bottom plate 110 and has through-hole 132 and pin welding hole 136；Microswitch 140 is located at keycap
110 lower sections simultaneously pass through through-hole 132 to be partially placed in switch hole 112, and 140 electrical connection circuit plate 130 of microswitch.Work as key
When cap 120 is mobile towards bottom plate 110, keycap 120 triggers microswitch 140.In addition, press-key structure 10 can further include support keycap
120 moved relative to bottom plate 110 support unit 150, towards the light-emitting component 160 and/or electronic component of 120 throw light of keycap
170 equal (in rear detailed descriptions).Though at this it may be noted that being only illustrated in embodiment with single push-button structure 10, when a plurality of
When press-key structure 10 is combined into keyboard, the subelement of each press-key structure 10 can be integrated into single part, reduce manufacture to reach
The benefit of cost and assembling cost.
Specifically, bottom plate 110 offers switch hole 112 and component hole 114, with respectively for accommodating microswitch 140 and
Electronic component 170.In this embodiment, switch hole 112 and component hole 114 are preferably the holes through bottom plate 110, so that bottom plate
110 have maximum accommodating space on thickness direction (i.e. the moving direction of keycap 120), and but not limited to this.In other realities
Example is applied, switch hole 112 and component hole 114 can be for from the upper surfaces of bottom plate 110 towards direction (i.e. downwards) recess far from keycap 120
Made of dented space, i.e. switch hole 112 and component hole 114 is the blind hole for being formed in bottom plate 110.As being described in detail later, fine motion
Switch 140 has housing sidewall 140a and an at least pin 146, housing sidewall of the wherein at least pin 146 from switch portion 144
The middle section elder generation horizontal extension of 140a and go out, then bend electrical connection circuit plate 130, and switch hole 112 and component hole 114 still further below
Size and shape preferably respectively correspond and can accommodate microswitch 140 (comprising pin 146) and electronic component 170, and and fine motion
The pin 146 and electronic component 170 of switch 140 keep preset distance to can avoid micro- so when bottom plate 110 is metal material
Pin 146 or electronic component 170 and bottom plate 110 the generation point discharge of dynamic switch 140 and it is short-circuit.In addition, it is single to correspond to support
The setting of member 150, bottom plate 110 has more an at least coupling (such as 116a, 116b), to couple support unit 150.In this reality
Apply example, plural hook is from the upper surface of bottom plate 110 towards 120 direction of keycap (i.e. upwards) protrusion, using as coupling support unit 150
Coupling 116a, 116b, but not limited to this.In other embodiments, coupling 116a, 116b can be according to support units 50
Structure and have different variations.Bottom plate 110 can be machined bending by metal plate or be molded by plastic cement and be formed with switch hole
112, the integral structure of component hole 114 and coupling 116a, 116b, but not limited to this.In other embodiments, coupling
116a, 116b can be set to bottom plate 110 by modes such as adhesion, welding, lockings.
Support unit 150 is set between keycap 120 and bottom plate 110, and is respectively coupled to keycap 120 and bottom plate 110, with branch
It is mobile to support 120 opposed bottom 110 of keycap.In this embodiment, support unit 150 includes first support 152 and second support 154,
Wherein first support 152 is pivotally connected second support 154 rotationally to form scissor support unit, and but not limited to this.Specifically
For, coupling 116a of the both ends of first support 152 respectively with the engaging portion 122a of 120 bottom surface of keycap and bottom plate 110 can
Rotationally be movably coupled to, 154 both ends of the second support engaging portion 122b and bottom plate 110 with 120 bottom surface of keycap respectively
Coupling 116b movably be rotatably coupled；In addition, as shown in Figure 1 C, right end in scissor support unit 150
First support 152 and second support 154 are connect with keycap 120 and bottom plate 110 respectively, and left end is then on the contrary, i.e. first support 152
And second support 154 is connect with bottom plate 110 and keycap 120 respectively.
Circuit board 130 is preferably the printed circuit board with configuration, for being electrically connected microswitch 140.Circuit
Plate 130 can form through-hole 132 and pin welding hole 136 by machining, when circuit board 130 is set on bottom plate 110, lead to
The switch hole 112 of the alignment of hole 132 connection bottom plate 110.The size and shape of through-hole 132 preferably correspond to the shell of microswitch 140
The size and shape of body sidewall 140a, the size and location in pin welding hole 136 preferably correspond to 140 pin 146 of microswitch,
So that microswitch 140 can be embedded at the through-hole 132 of circuit board 130 and partial shell side wall 140a and pin 146 protrude circuit
The lower surface of plate 130 and be placed in the switch hole 112 of bottom plate 110.In addition, the pore size of through-hole 132 is preferably opened with fine motion
The outer diameter for closing 140 housing sidewall 140a is consistent, when so that the lower part of microswitch 140 being highlightedly embedded at through-hole 132, fine motion
The housing sidewall 140a of switch 140 is substantially affixed with the inner wall of through-hole 132, to promote the positioning of microswitch 140, but is not limited to
This.In other embodiments, through-hole 132 may be slightly larger than microswitch 140, so that microswitch 140 passes through the logical of circuit board 130
Hole 132 and part be when being placed in the switch hole 112 of bottom plate 110, the housing sidewall 140a of microswitch 140 and through-hole 132
There is gap slightly between inner wall.
In this embodiment, as shown in figure iD, circuit board 130 thereon, lower surface be preferably more respectively provided with wiring layer 137
And lower wiring layer 138, luminescence unit 160 and electronic component 170 is electrically connected so that circuit board 130 not only provide it is micro-
The power path of the signal transduction of dynamic switch 140, more provides the power path of driving luminescence unit 160 and electronic component 170.It is specific and
Speech, as shown in figure iD, light-emitting component 160 and electronic component 170 are preferably respectively arranged at the upper and lower surfaces of circuit board 130.It shines
The upper wiring layer 137 of 160 electrical connection circuit plate 130 of element simultaneously exposes to 130 upper surface of circuit board, the preferable position of light-emitting component 160
In within the scope of 152 upright projection of inside casing and at adjacent through-holes 132, such 160 emitted light of light-emitting component can relatively evenly be thrown
It is mapped to 120 bottom surface of keycap, and press-key structure 10 is made to become luminous button.In this embodiment, light-emitting component 160 it is implementable for
The light emitting diode of top transmitting light.The lower wiring layer 138 of 170 electrical connection circuit plate 130 of electronic component simultaneously protrudes from circuit
130 lower surface of plate, and then be placed in electronic component 170 can at least partly in the component hole 114 of bottom plate 110.Whereby, it can reduce
Or even exempt exceptional space needed for setting electronic component 170 in press-key structure, and then the whole of press-key structure 10 is effectively reduced
Body height.In this embodiment, electronic component 170 can be various electronic components needed for press-key structure 10 or key board unit running,
Such as micro-control unit, resistor, capacitor, inductor etc., but not limited to this.
Furthermore as illustrated in figures 1A and ib, circuit board 130 has an at least holes 134, and a wherein at least holes 134 is right
At least coupling 116a, 116b is answered, so that coupling 116a, 116b of bottom plate 110 are upward through the coupling support list of holes 134
Member 150.In this embodiment, circuit board 130 is preferably rigid printed circuit board so that when keycap 120 in response to pressing force towards bottom plate
110 it is mobile and when triggering microswitch 140, rigid printed circuit board 130 can bear the pressing force of the transmitting of microswitch 140, and
From be bent downwardly deformation, can reduce whereby known membrane circuit layer because triggering deformation caused by damage chance, but not as
Limit.In other embodiments, circuit board 130 can be to provide the soft printed circuit board (FPC) of the power path of required configuration.
Microswitch 140 can be any suitable mechanical switch being made of elastic slice, relatively-movable terminal.Fine motion
Switch 140 includes trigger unit 142 and switch portion 144, and wherein trigger unit 142 can be relative to switch portion when receiving pressing force
144 is mobile to trigger the generation signal of microswitch 140, and can be mobile to reply relative to switch portion 144 in pressing force release
To the position that do not trigger.Also that is, trigger unit 142 is when receiving pressing force movement, so that elastic slice deformation is to drive terminal opposite
It moves and contacts and generate trigger signal；After pressing force release, drives terminal to be relatively distant from by the restoring force of elastic slice and make to trigger
Portion 142 returns to the position before pressing.Furthermore microswitch 140 has housing sidewall 140a and an at least pin 146, wherein extremely
A few pin 146 goes out from the middle section elder generation horizontal extension of the housing sidewall 140a of switch portion 144, then bends still further below to be electrically connected
Connect circuit board 130.In this embodiment, an at least pin 146 is bent downward with after electrical connection circuit plate 130,146 lower end of pin
Divide and is preferably placed in switch hole 112.Also that is, in this embodiment, the switch hole 112 of bottom plate 110 is preferably greater than circuit board 130
Through-hole 132, so that microswitch 140 is arranged in after through-hole 132 not only 144 part of switch portion and is placed in switch hole 112 and certainly electricity
130 lower surface of road plate, 146 part of pin outstanding can be also placed in switch hole 112, and make end portion and the bottom of pin 146
Plate 110 keeps default spacing, so when bottom plate 110 is metal material, can avoid pin end portion and bottom plate 110 generates point
End electric discharge and it is short-circuit；But not limited to this, such as insulating materials or coating insulating cement barrier can additionally be arranged between the two.In other
Embodiment, bottom plate 110 can open up additional hole (not shown) for accommodating the end portion of pin 146.
In addition, trigger unit 142 preferably has salient point 142a in its top, so that microswitch 140 is set under keycap 120
Fang Shi can contact the bottom surface of keycap 120 by salient point 142a.Make keycap 120 bottom of downwardly toward in keycap 120 when applying pressing force
When plate 110 is mobile, 120 bottom surface of keycap will push the trigger unit 142 of microswitch 140, and make trigger unit 142 downwardly toward switch portion
144 mobile generation trigger signals.After pressing force release, trigger unit 142 automatically resets towards the direction far from switch portion 144 (i.e.
It is upwards) mobile, and keycap 120 is by the support of support unit 150 and the drive of trigger unit 142 and up towards far from bottom plate 110
Direction movement be returned to the position being not pressed.
Herein it may be noted that press-key structure of the invention can have different support unit or bindiny mechanism, to support keycap
120 is mobile relative to bottom plate 110.In another embodiment, as shown in Fig. 2, support unit 250 includes first support 252 and second
Bracket 254, wherein first support 252 and second support 254 are respectively rotatably connected at keycap 120 and are movably coupled to bottom plate
110, to support keycap 120 mobile relative to bottom plate 110.For example, the upper end of first support 252 and second support 254
Upper end is rotatably coupled the engaging portion 122 of 120 bottom surface of keycap respectively, and the lower end of first support 252 and second support 254
Lower end is movably coupled to the coupling 116 of 110 upper surface of bottom plate respectively.When keycap 120 is moved towards close to the direction of bottom plate 110
When, first support 252 and second support 254 on bottom plate 110 towards direction away from each other in sliding, to support keycap 120 steady
Ground moves down.When mobile towards the direction far from bottom plate 110 when keycap 120, first support 252 and second support 254 are in bottom plate
It is slided on 110 towards close to mutual direction, to support keycap 120 steadily to move up.In another embodiment, as shown in figure 3,
Support unit 350 includes first support 352 and second support 354, and wherein first support 352 and second support 354 are each rotatable
Ground is connected to keycap 120 and bottom plate 110, to support keycap 120 relative to the vertical and horizontal displacement of bottom plate 110.Herein it may be noted that
First support 252 (or 352) and second support 254 (or 354) in Fig. 2 or Fig. 3 may respectively be the link mechanism of frame-type,
Wherein first support 252 and second support 254 (or first support 352 and second support 354) preferably have identical structure, with
Manufacturing cost is reduced, but not limited to this.
Furthermore can have other bindiny mechanisms to design between keycap 120 and bottom plate 110, with support keycap 120 relative to
Bottom plate 110 is mobile.In another embodiment, as shown in figure 4, the settable interconnecting piece 124 with sliding slot in 120 bottom surface of keycap, and bottom
The setting of 110 upper surface of plate has the couplings 118 of protruding rail, and wherein protruding rail insertion sliding slot is so that interconnecting piece 124 and couplings 118
It is movably coupled to.When keycap 120 is mobile relative to bottom plate 110, the sliding slot phase of the protruding rails of couplings 118 along interconnecting piece 124
To mobile to support keycap 120 steadily to move.In another embodiment, as shown in figure 5,120 bottom surface of keycap is settable to be had tiltedly
First coupling part 126 in face, and the setting of 110 upper surface of bottom plate has the second coupling part 119 of inclined surface.When 120 phase of keycap
When mobile for bottom plate 110, the inclined-plane of the first coupling part 126 is relatively moved along the inclined-plane of the second coupling part 119, and makes keycap
120 generate vertical displacement and horizontal displacement relative to bottom plate 110 simultaneously.
At this it may be noted that in the embodiment of above-mentioned Fig. 2 to Fig. 5, the other elements of press-key structure (such as circuit board 130,
Microswitch 140, light-emitting component 160 and electronic component 170 etc.) configuration and effect and each element class of above-mentioned press-key structure 10
Seemingly, thus the structure of each element and connection relationship can refer to above-mentioned Figure 1A~Fig. 1 D embodiment related description, no longer in this
It repeats.
Furthermore though using through-hole welding technique as the example of microswitch electrical connection circuit plate in above-described embodiment,
In other embodiments, microswitch also can weld patch technology (SMT) electrical connection circuit plate with surface.As shown in Fig. 6 A to Fig. 6 D, in
Another embodiment, press-key structure 10 ' of the invention include bottom plate 110 ', keycap 120, circuit board 130 ', support unit 150 and micro-
Dynamic switch 140, wherein circuit board 130 ' is set on bottom plate 110 '；Keycap 120 is set to 130 ' top of circuit board, keycap 120
A spacing is kept between bottom plate 110 ', keycap 120 has keycap middle line C.Support unit 150 is set to bottom plate 110 ' and keycap
Between 120, support unit 150 connects keycap 120 and bottom plate 110 ', to support keycap 120 that can move relative to bottom plate 110 ', branch
It supports unit 150 and preferably has symmetrical structure relative to keycap middle line C.Microswitch 140 is set to 120 lower section of keycap, keycap
Middle line C passes through microswitch 140.Microswitch 140 is supported unit 150 and is surrounded, and microswitch 140 has housing bottom surface
140b and a plurality of pins 146, microswitch 140 is through a plurality of pins 146 with electrical connection circuit plate 130 ', housing bottom surface
140b is at least partly connected to the upper surface of circuit board 130 '.Also that is, when microswitch 140 is electrically connected electricity with surface mount technology
When road plate 130 ', the housing bottom surface 140b of microswitch 140 at least partly essence is touched with the upper surface of circuit board 130 '.Work as key
Cap 120 is pressed towards when the movement of bottom plate 110 ', and keycap 120 triggers microswitch 140；When keycap 120 is released, fine motion is opened
Closing 140 moves upwards keycap 120 towards mobile far from 110 ' direction of bottom plate.
Herein it may be noted that the microswitch 140 of the present embodiment is by surface mount technology electrical connection circuit plate 130 ', because
This, the difference of the embodiment of the present embodiment and Figure 1A~Fig. 1 D is that bottom plate and circuit board can have different designs variation, such as bottom
Plate 110 ' can not have the switch hole 112 of Figure 1A~Fig. 1 D and only have the component hole 114 for accommodating electronic component 170；Circuit
Electricity when plate 130 ' can not have the pin welding hole 136 of Figure 1A~Fig. 1 D and there are solder sections 139 to paste weldering microswitch for surface
Connect the pin 146 of microswitch 140.For microswitch 140 in this embodiment, circuit board 130 ' is also alternative not to have Figure 1A
The through-hole 134 of~Fig. 1 D.Other similar element (such as keycap 120, support construction 150, light-emitting component 160, electronic component 170
Deng) the details such as structure, connection and effect can refer to the related description of Figure 1A~Fig. 1 D, repeated no more in this.
Furthermore in response to the design of microswitch, as shown in fig. 7, circuit board 130 " can have through-hole 132 and solder sections 139,
When so that 140 surface of microswitch patch being welded in circuit board 130 ", at least partly housing bottom surface 140b of microswitch 140 is arranged in
Through-hole 132, to reach locating effect.
Herein it may be noted that surface mount technology also can operate with the different supporting unit of Fig. 2 to Fig. 5 or the reality of bindiny mechanism
Example is applied, and makes the circuit board of Fig. 2 to Fig. 5 and bottom plate that there is the structure similar to Fig. 6 A or Fig. 7 to configure, is repeated no more in this.
Compared to prior art, press-key structure of the invention can promote the pressing hand of user by the setting of microswitch
Sense, and microswitch is integrated in the circuit board of power path needed for providing, and can promote the feasibility and convenience of individual keys maintenance
Property.Furthermore circuit board by being set to above bottom plate and open up the hole (example of accommodating microswitch by press-key structure of the invention
Such as through-hole and switch hole), the thickness of circuit board and bottom plate can be made full use of, the whole height of press-key structure is effectively reduced.
In addition, electronic component is integrated in the lower section of circuit board and accommodated by the component hole that bottom plate opens up by press-key structure of the invention
Electronic component can further decrease the whole height of press-key structure.
The present invention is described by above-described embodiment, however above-described embodiment is only to illustrate purpose not for limitation.
This ripe those skilled in the art can have other of illustrative embodiments to repair when knowing in the case where not departing from spirit of that invention, in the embodiment that this is illustrated
Change.Therefore, the scope of the invention also covers such modification and only by the appended scope limitation for applying for a patent right requirement.
Claims (13)
1. a kind of press-key structure, which is characterized in that the press-key structure includes:
Bottom plate, with switch hole；
Keycap is set to above the bottom plate, and the keycap is mobile relative to the bottom plate；
Circuit board, is set on the bottom plate and has through-hole, which has upper and lower surfaces；And
Microswitch is partially placed in the switch hole and non-bulging in the bottom below the keycap and across the through-hole
Plate, the microswitch are electrically connected the circuit board；
Wherein, when the keycap is mobile towards the bottom plate, which triggers the microswitch；The microswitch have housing sidewall with
An at least pin, an at least pin go out from the middle section elder generation horizontal extension of the housing sidewall, then bend still further below to be electrically connected
Connect the circuit board；
The press-key structure also includes electronic component, which also has component hole, and the electronic component is electrically connected the circuit board simultaneously
Protrude from the lower surface of the circuit board, the lower surface is opposite with the upper surface, the electronic component be placed in the component hole and
It is non-bulging in the bottom plate.
2. press-key structure as described in claim 1, which is characterized in that also include light-emitting component, light-emitting component electrical connection should
Circuit board and the upper surface for exposing to the circuit board make the light-emitting component can be towards the keycap throw light.
3. press-key structure as described in claim 1, which is characterized in that the circuit board has upper wiring layer and lower wiring layer, should
Upper wiring layer is electrically connected light-emitting component, which is electrically connected the electronic component.
4. press-key structure as described in claim 1, which is characterized in that also include support unit, which connects the key
Cap and the bottom plate, to support the keycap to move relative to the bottom plate, insole board has an at least coupling, and the circuit board has
Have an at least holes, which corresponds to an at least coupling so that this at least a coupling is upward through this at least
One holes couples the support unit.
5. press-key structure as described in claim 1, which is characterized in that the circuit board is rigid printed circuit board, when the keycap
It is mobile towards the bottom plate in response to pressing force and when triggering the microswitch, which can bear microswitch transmitting
The pressing force, from be bent downwardly deformation.
6. press-key structure as described in claim 1, which is characterized in that the switch hole is greater than the through-hole, makes an at least pin
After bending downward to be electrically connected the circuit board, which is placed in the switch hole, and makes the pin end portion
Default spacing is kept with the bottom plate.
7. press-key structure as claimed in claim 6, which is characterized in that the pore size of the through-hole and the shell of the microswitch
The outer diameter of body sidewall is consistent, so that the microswitch is embedded in the through-hole, the housing sidewall and the through-hole of the microswitch
Inner wall is substantially affixed.
8. a kind of press-key structure, which is characterized in that the press-key structure includes:
Bottom plate；
Circuit board is set on the bottom plate；
Keycap is set to the circuit board, and a spacing is kept between the keycap and the bottom plate；
Support unit is set between the bottom plate and the keycap, which connects the keycap and the bottom plate, should with support
Keycap is moved relative to the bottom plate；And
Microswitch is set to below the keycap, which is surrounded by the support unit, which has shell
Body bottom surface and a plurality of pins, the microswitch is through a plurality of pins to be electrically connected the circuit board, and the housing bottom surface is at least
Part is connected to the upper surface of the circuit board；
Wherein, when the keycap, which is pressed, to be moved towards the bottom plate, which triggers the microswitch；When the keycap is released
When, which move upwards the keycap towards mobile far from bottom plate direction；The microswitch has housing sidewall, the plural number
A pin goes out from the middle section elder generation horizontal extension of the housing sidewall, then bends still further below to be electrically connected the circuit board；
The press-key structure also includes electronic component, and wherein the bottom plate has more component hole, and the electronic component is electrically connected the circuit
Plate and the lower surface for protruding from the circuit board, the electronic component are placed in the component hole and non-bulging in the bottom plate.
9. a kind of press-key structure, which is characterized in that the press-key structure includes:
Bottom plate, with component hole；
Keycap is set to above the bottom plate, and the keycap is mobile relative to the bottom plate；
Circuit board is set on the bottom plate；
Microswitch is set to below the keycap, which has housing bottom surface and a plurality of pins, the microswitch
Through a plurality of pins to be electrically connected the circuit board, and the housing bottom surface is at least partly connected to the upper surface of the circuit board；
And
Electronic component is electrically connected the circuit board and protrudes from the lower surface of the circuit board, which is placed in the element
It is in hole and non-bulging in the bottom plate；
Wherein, which has housing sidewall, which goes out from the middle section elder generation horizontal extension of the housing sidewall,
Then it bends still further below to be electrically connected the circuit board.
10. press-key structure as claimed in claim 8 or 9, which is characterized in that also include light-emitting component, the wherein light-emitting component
It is electrically connected the circuit board and exposes to the upper surface of the circuit board, make the light-emitting component towards the keycap throw light.
11. press-key structure as claimed in claim 10, which is characterized in that the circuit board has upper wiring layer and lower wiring layer,
Wiring layer is electrically connected the light-emitting component on this, which is electrically connected the electronic component.
12. press-key structure as claimed in claim 8 or 9, which is characterized in that the circuit board also has through-hole, at least partly should
Housing bottom surface is arranged in the through-hole, to reach locating effect.
13. press-key structure as claimed in claim 8 or 9, which is characterized in that the keycap also has keycap middle line, the support list
Member has symmetrical structure relative to the keycap middle line, which is located at below the keycap middle line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191238.6A CN105679563B (en) | 2016-03-30 | 2016-03-30 | Press-key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191238.6A CN105679563B (en) | 2016-03-30 | 2016-03-30 | Press-key structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679563A CN105679563A (en) | 2016-06-15 |
| CN105679563B true CN105679563B (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191238.6A Active CN105679563B (en) | 2016-03-30 | 2016-03-30 | Press-key structure |
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| CN (1) | CN105679563B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI699797B (en) * | 2016-07-15 | 2020-07-21 | 達方電子股份有限公司 | Keyboard |
| CN106024475A (en) * | 2016-07-22 | 2016-10-12 | 苏州达方电子有限公司 | Keyboard |
| CN106227030B (en) * | 2016-08-22 | 2018-07-27 | 深圳智芯数据服务有限公司 | A kind of keystroke fixing structure of smartwatch |
| CN108811309B (en) * | 2018-08-31 | 2024-06-18 | 深圳做真科研有限公司 | Single-sided printed circuit board suitable for handwriting board and manufacturing method thereof |
| CN109616355B (en) * | 2018-12-29 | 2024-10-11 | 追觅科技(苏州)有限公司 | Switch and hair dryer |
| CN111831125B (en) * | 2019-04-22 | 2025-01-21 | 群光电子(苏州)有限公司 | keyboard |
| TWI689957B (en) * | 2019-06-19 | 2020-04-01 | 群光電子股份有限公司 | Keyboard device |
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| CN201196923Y (en) * | 2008-04-30 | 2009-02-18 | 苏州路之遥科技有限公司 | Thin film press key display panel |
| EP2490236A2 (en) * | 2011-02-18 | 2012-08-22 | Primax Electronics Ltd | Key structure with scissors-type connecting member |
| CN103377841A (en) * | 2012-04-12 | 2013-10-30 | 吴长隆 | Key structure of keyboard and manufacturing method thereof |
| CN104332339A (en) * | 2014-11-05 | 2015-02-04 | 苏州达方电子有限公司 | Key structure |
| CN204614712U (en) * | 2015-04-29 | 2015-09-02 | 致伸科技股份有限公司 | micro switch keyboard |
| CN205621612U (en) * | 2016-03-30 | 2016-10-05 | 苏州达方电子有限公司 | Key structure |
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| CN201196923Y (en) * | 2008-04-30 | 2009-02-18 | 苏州路之遥科技有限公司 | Thin film press key display panel |
| EP2490236A2 (en) * | 2011-02-18 | 2012-08-22 | Primax Electronics Ltd | Key structure with scissors-type connecting member |
| CN103377841A (en) * | 2012-04-12 | 2013-10-30 | 吴长隆 | Key structure of keyboard and manufacturing method thereof |
| CN104332339A (en) * | 2014-11-05 | 2015-02-04 | 苏州达方电子有限公司 | Key structure |
| CN204614712U (en) * | 2015-04-29 | 2015-09-02 | 致伸科技股份有限公司 | micro switch keyboard |
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| CN105679563A (en) | 2016-06-15 |
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