CN100474475C - Input device, key structure and elastic mechanism thereof - Google Patents
Input device, key structure and elastic mechanism thereof Download PDFInfo
- Publication number
- CN100474475C CN100474475C CNB2005100064485A CN200510006448A CN100474475C CN 100474475 C CN100474475 C CN 100474475C CN B2005100064485 A CNB2005100064485 A CN B2005100064485A CN 200510006448 A CN200510006448 A CN 200510006448A CN 100474475 C CN100474475 C CN 100474475C
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- elastic device
- press
- removable elastic
- key structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
Structure of push button key includes a key cap, a base, a first connecting rod, a second connecting rod and a movable springing. The first, second connecting rods are connected to the key cap and the base in movable mode. When being at first position, the movable springing provides a lateral elastic force in advance so that the key cap is positioned at first height related to the base, being in an operable state. When being at second position, the movable springing releases the first connecting rod so that the key cap is positioned at second height related to the base, being in a non-operable state. The first height is larger than the second height.
Description
Technical field
The present invention relates to a kind of press-key structure, particularly relate to a kind of button or keyboard of making descending, but can save the press-key structure of space and convenient for collecting simultaneously than the labour-saving mode.
Background technology
At first see also Figure 1A, the figure shows the schematic diagram that an existing press-key structure is in an operable state.Shown in Figure 1A, an existing press-key structure can be passed in horizontal direction by a slide block S button is descended.Above-mentioned press-key structure mainly comprises a base B, a first connecting rod L1, a second connecting rod L2, a flexible member E, a slide block S and a keycap C.Wherein, first connecting rod L1 has one first end L11 and one second end L12, second connecting rod L2 have one the 3rd end L23 and one the 4th end L24.Again, above-mentioned first connecting rod L1 and second connecting rod L2 articulate by pivot P, and wherein the first end L11 articulates below base B versatilely, and the 4th end L24 articulates top keycap C versatilely; In addition, the second end L12 and the 3rd end L23 then articulate top keycap C and below base B respectively.
Please consult Figure 1B more simultaneously, when slide block S by position A1 when direction A moves to position A2, the first end L11 that slide block S promotes first connecting rod L1 moves along direction A, and forces keycap C to drop to height H by height H ', this moment, button was in a non-operating state.Aforesaid press-key structure can be applicable to the keyboard on the mobile computer, and wherein when press-key structure was in height H, the user is key tap normally; Yet, when not using keyboard, can pass through moving slider S, make keycap C drop to height H ', flexible member E is compressed and makes button be in non-operating state at this moment, to reduce the whole height of keyboard.
Yet, when promoting first connecting rod L1 by slide block S and force above-mentioned press-key structure to be converted into non-operating state (height H ') by operable state (height H), must overcome flexible member E because of the elastic-restoring force of generation by compression, therefore when promoting slide block S, often comparatively require great effort perpendicular to base B surface.
Summary of the invention
Because above-mentioned shortcoming, the object of the present invention is to provide a kind of press-key structure, can adjust the height of keycap C by labour-saving mode comparatively, button is descended with convenient collection.
The invention provides a kind of press-key structure, comprise a keycap, a base, a first connecting rod, a second connecting rod and a removable elastic device.Above-mentioned first, second connecting rod connects keycap and base in mobilizable mode, the end that this first connecting rod connects slidably is connected in base, above-mentioned removable elastic device has a slide block and a flexible member, and above-mentioned flexible member has a strain portion and an a junction.When aforementioned removable elastic device was positioned at a primary importance, strain portion provided the pre-power of a lateral elasticity in first connecting rod, made keycap have one first height and be in an operable state with respect to base; When operation push-button, the user forces in the end that keycap makes first connecting rod be connected in base and slides with respect to base, and butt promotes the strain portion on the removable elastic device, makes strain portion produce a lateral elasticity restoring force, and makes button can produce the required elastic force of resilience; When the external force that forces in keycap disappeared, aforementioned lateral elasticity restoring force forced button to revert to first height and is operable state; When aforementioned removable elastic device is positioned at the second place, removable elastic device discharges first connecting rod, make keycap and first, second connecting rod not have stressed and be the state of bursting, this moment, removable elastic device promoted first connecting rod or second connecting rod, force keycap to drop to second height and be in a non-operating state towards the base direction, wherein aforementioned first height is greater than second height.
In a preferred embodiment, aforementioned slide block has an abutting part, and can between the primary importance and the second place, move with respect to base, wherein an end of strain portion is connected with slide block, the other end then with above-mentioned abutting part butt, when slide block moved, an end of strain portion and abutting part kept butt.
In addition, when aforementioned removable elastic device was positioned at primary importance, the connecting portion of flexible member is the butt first connecting rod roughly, and then made keycap be in first height.Wherein the pre-power of lateral elasticity that provides of strain portion makes that keycap is unlikely to be rocked easily.When operation push-button, be pressed on keycap under the application of force, make the first connecting rod butt promote the connecting portion of flexible member, and then drive strain portion generation force variation, and and make button produce resilience force.
When removable elastic device moves in primary importance toward the second place, this strain portion provides a lateral elasticity pre-power, make an end of connecting portion keep being connected to the abutting part of slide block, the connecting portion other end then move with slide block and no longer with the first connecting rod butt, this moment, flexible member did not force in first connecting rod, so the mode of (more laborsaving) changes the height of button more easily; When removable elastic device by the second place toward primary importance when moving, connecting portion moves and is connected to once again first connecting rod with slide block, promote first connecting rod simultaneously and keycap is risen; When removable elastic device moved back to primary importance, an end of connecting portion roughly was connected to first connecting rod, and made keycap rise to first highly to form operable state.
In a preferred embodiment, aforementioned removable elastic device also comprises a protuberance, and when slide block moved to the second place by primary importance, protuberance promotes first connecting rod or second connecting rod drops to second height to force keycap towards the base direction; When slide block moved to primary importance by the second place, aforementioned protuberance discharged aforementioned first or second connecting rod, and the connecting portion on this moment removable elastic device promotes first connecting rod and keycap is risen.
In a preferred embodiment, aforementioned first, second connecting rod is scissors shape structure.
In a preferred embodiment, aforementioned first connecting rod and second connecting rod connect in rotating mode.
In a preferred embodiment, aforementioned strain portion is a spring.
In a preferred embodiment, aforementioned first connecting rod also comprises a chute, and wherein connecting portion has a sliding part, and when removable elastic device moved to the second place by primary importance, sliding part slided in aforementioned chute.
In a preferred embodiment, aforementioned slide block has one first abutting part, aforementioned connecting portion has one second abutting part, when press-key structure is in non-operating state, first abutting part is connected to second abutting part, and making aforementioned flexible member be a preloading condition, this moment, strain portion provided a lateral elasticity pre-power.
In a preferred embodiment, when press-key structure is in operable state, and keycap is when being subjected to a pressed by external force, and the sliding part of aforementioned connecting portion continues the butt first connecting rod.
In a preferred embodiment, aforementioned second abutting part is formed by the part bending of spring.
In a preferred embodiment, aforementioned base also comprises a guide groove, and wherein first connecting rod slides in guide groove.
In a preferred embodiment, aforementioned slide block also comprises a protuberance, and when slide block moved to the second place by primary importance, protuberance promoted first connecting rod and drops to second height to force keycap towards the base direction.
In a preferred embodiment, aforementioned first connecting rod also comprises an extension, and aforementioned protuberance can push against the extension of first connecting rod.
In a preferred embodiment, aforementioned removable elastic device also comprises a block, and when removable elastic device moved to the second place by primary importance, block promoted second connecting rod, drops to second height to force keycap towards the base direction.
In a preferred embodiment, the aforementioned keys structure also comprises a switch element, be arranged at first and second connecting rod below, when removable elastic device position was in primary importance and keycap and drops to certain height, one of them person of first, second connecting rod and keycap touched the aforementioned switches element; When removable elastic device is in the second place, this switch element with move, make first, second connecting rod and keycap can't touch the aforementioned switches element.
In a preferred embodiment, the aforementioned keys structure also comprises an elastic arm, be arranged on the slide block, when removable elastic device is in primary importance, and when keycap was pressed down, elastic arm can be pushed by first, second connecting rod and one of them person of keycap and touch the lower switch element, when removable elastic device is in the second place, this elastic arm with move so that first, second connecting rod and keycap all can't the touch switch elements.
In a preferred embodiment, aforementioned elastic arm also can be replaced by the elastic structure that the rubber elastomeric material constitutes.
In a preferred embodiment, the aforementioned keys structure also comprises a film circuit board, and the aforementioned switches element is arranged on the film circuit board (membrane circuit board).
In a preferred embodiment, the removable elastic device of aforementioned keys structure also comprises an actuating arm, be arranged on the connecting portion of aforementioned flexible member, and the aforementioned switches element is arranged at removable elastic device below.When removable elastic device was positioned at primary importance, when keycap was pressed down by the user, aforementioned actuating arm can be pushed by first, second connecting rod and one of them person of keycap and touch the lower switch element; When removable elastic device was in the second place, aforementioned first, second connecting rod and keycap can't be pushed aforementioned actuating arm, so switch element can be touched.
In a preferred embodiment, one of aforementioned first connecting rod and second connecting rod person has a pivot, another connecting rod then has a pivoted hole, above-mentioned first connecting rod and second connecting rod are to connect into scissors shape structure with rotary way, wherein first connecting rod and second connecting rod have one first contact site and one second contact site respectively in an axial line two sides of pivot, when first, when second connecting rod produces relative rotation, aforementioned first, second contact site roughly is connected to axial line mutually, in order to reduce first, the dyanainic friction of second contact site, and can bear aforementioned lateral elasticity restoring force, and then can reduce the rotation friction of aforementioned pivot and pivoted hole, lower the lateral elasticity restoring force that rotating shaft is born simultaneously.
The present invention also provides a kind of input unit, comprises a plurality of foregoing press-key structures.In a preferred embodiment, above-mentioned input unit also comprises a base module and a removable elastic device module, aforementioned base is arranged on the base module, and aforementioned removable elastic device is arranged on the removable elastic device module, and wherein removable elastic device module is optionally switched along first direction in one the 3rd position and between one the 4th position.When removable elastic device module was positioned at the 3rd position, the aforementioned keys structure was in operable state; When removable elastic device was positioned at the 4th position, the aforementioned keys structure was in non-operating state.
In a preferred embodiment, aforementioned input unit also comprises a push pedal, moves relative to floor module along second direction, and can drive removable elastic device module and move along first direction in the 3rd position and between the 4th position, and wherein above-mentioned push pedal has a guide block.Have a Z-shaped guide channel on the aforementioned removable elastic device module, above-mentioned Z-shaped guide channel has a five terminal and one the 6th end, and five terminal communicates with the 6th end and be separated by a spacing on first direction.In addition, above-mentioned guide block is established and is protruded in push pedal, and can move between the five terminal of Z-shaped guide channel and the 6th end.When guide block was positioned at five terminal, removable elastic device module was positioned at the 3rd position; When guide block was positioned at the 6th end, removable elastic device module was positioned at the 4th position.
In a preferred embodiment, the moving direction of aforementioned push pedal is vertical mutually with the moving direction of removable elastic device module.
In a preferred embodiment, aforementioned input unit also comprises a support arm, a housing and a loam cake, and wherein loam cake and housing or floor module articulate, and can and optionally form a closure state or an opening with above-mentioned housing with respect to the housing rotation.One end of aforementioned support arm is connected with loam cake in rotating mode, and the other end then is connected with aforementioned push pedal in rotating mode.Wherein, when loam cake and housing were in opening, aforementioned support arm drives push pedal made removable elastic device module be positioned at the 3rd position; When loam cake and housing were in closure state, aforementioned support arm drives push pedal made removable elastic device module be positioned at the 4th position.
Aforementioned removable elastic device module also can be passed through other power, directly promotes this removable elastic device module as electro-motor or calutron, or promotes this removable elastic device module by push pedal indirectly.
The present invention also provides a kind of elastic mechanism simultaneously, can act on an elastic-restoring force in a button, and above-mentioned elastic mechanism comprises a base, a removable elastic device, a first connecting rod and a second connecting rod.One end of aforementioned first connecting rod is slidably with respect to base motion, but second connecting rod then be connected in the interlock mode with first connecting rod, and an end of second connecting rod connects base in movable mode.Aforementioned removable elastic device optionally is positioned at a primary importance or a second place, wherein when removable elastic device is positioned at primary importance, above-mentioned removable elastic device is the butt first connecting rod roughly, this moment, removable elastic device provided a lateral elasticity restoring force in first connecting rod, and made first connecting rod and second connecting rod form one first angle; When removable elastic device is positioned at the second place, removable elastic device discharges first connecting rod, first connecting rod and second connecting rod can be subjected to an external force or gravity and burst this moment, and made first connecting rod and second connecting rod form one second angle, and wherein first angle is greater than second angle.
For above-mentioned and other purpose of the present invention, feature and advantage can be become apparent, concrete preferred embodiment cited below particularly, and cooperate appended graphic elaborating.
Description of drawings
Figure 1A, Figure 1B are the schematic diagram of existing press-key structure;
Fig. 2 A is the exploded view of press-key structure in the first embodiment of the invention;
Fig. 2 B is the exploded view of removable elastic device in the first embodiment of the invention;
Fig. 3 A is the schematic diagram when press-key structure is in a mode of operation in the first embodiment of the invention;
Fig. 3 B is subjected to the schematic diagram of pressed by external force for press-key structure among Fig. 3 A;
Fig. 3 C～Fig. 3 E switches to the schematic diagram of non-operating state for the press-key structure among Fig. 3 A;
Fig. 4 is for connecting the schematic diagram of slide block and first connecting rod by a spring among the present invention;
Fig. 5 A is the exploded view of press-key structure in the second embodiment of the invention;
Fig. 5 B is the exploded view that actuating arm is connected in connecting portion in the second embodiment of the invention;
Fig. 6 A is the schematic diagram when press-key structure is in a mode of operation in the second embodiment of the invention;
Fig. 6 B is subjected to the schematic diagram of pressed by external force for press-key structure among Fig. 6 A;
Fig. 6 C～Fig. 6 D switches to the schematic diagram of non-operating state for the press-key structure among Fig. 6 A;
Fig. 7 A is the exploded view of press-key structure in the third embodiment of the invention;
Fig. 7 B is the exploded view that elastic arm is connected with the slide block slide block in the third embodiment of the invention;
Fig. 8 A is the schematic diagram when press-key structure is in a mode of operation in the third embodiment of the invention;
Fig. 8 B is subjected to the schematic diagram of pressed by external force for press-key structure among Fig. 8 A;
Fig. 8 C～Fig. 8 D switches to the schematic diagram of non-operating state for the press-key structure among Fig. 8 A;
Fig. 9 is the exploded view of input unit among the present invention;
Figure 10 A～Figure 10 B is the schematic diagram of input unit of the present invention when being in an opening;
Schematic diagram when Figure 11 A～Figure 11 B is in a closure state for input unit among the present invention;
Figure 12 A is the schematic diagram that the elastic mechanism in the fourth embodiment of the invention is in operable state;
Figure 12 B is subjected to the schematic diagram of pressed by external force for the elastic mechanism of Figure 12 A;
Figure 12 C is the schematic diagram of elastic mechanism when non-operating state of Figure 12 A;
Figure 13 A is the schematic diagram of press-key structure when operable state of the 5th embodiment among the present invention;
Figure 13 B is subjected to the schematic diagram of pressed by external force for the press-key structure of Figure 13 A among the present invention; And
Schematic diagram when Figure 13 C～Figure 13 D switches to non-operating state for the press-key structure among Figure 13 A.
Embodiment
First embodiment
See also Fig. 2 A, the main press-key structure K of the present invention mainly comprises an elastic mechanism G and a button 60, and wherein elastic mechanism G can provide an elastic-restoring force in above-mentioned button 60.As shown in the figure, aforementioned elastic mechanism G mainly comprises a base 10, a film circuit board 20, one removable elastic device M, a first connecting rod 40, a second connecting rod 50 and a keycap 60, and wherein removable elastic device M then is by a slide block 30 and an elasticity.Element R forms.
See also Fig. 2 A, Fig. 3 A, aforementioned first connecting rod 40 is articulated in the pivoted hole 501 interior scissors shape supporting constructions that form of second connecting rod 50 by pivot 401.Wherein, the two ends 41,42 of first connecting rod 40 connect base upper rail 101 and top keycap 60 respectively versatilely, and the two ends 53,54 of second connecting rod 50 then difference connect the articulated section 103 and the top keycap 60 of base 10 versatilely.Shown in Fig. 2 A, aforementioned guide groove 101 and articulated section 103 are passed the perforate 20 ', 20 on the film circuit board 20 respectively during assembling " and slide block 30 on perforate 30 ', 30 " and be connected with first, second connecting rod 40,50 versatilely.
Then see also Fig. 2 B and Fig. 3 A, aforementioned flexible member R comprises a R1 of strain portion and a junction R2, and wherein the R1 of strain portion connects above-mentioned slide block 30 and connecting portion R2.In order to improve control and the usefulness of flexible member R on direction effectively, adopt the R1 of strain portion of " drawing " in the present embodiment, for example an extension spring.In Fig. 2 B, above-mentioned slide block 30 has one first abutting part 303, above-mentioned connecting portion R2 then has a sliding part R21 and one second abutting part R22, wherein sliding part R21 slidably connects first connecting rod 40, the first abutting part R22 and then is connected to second abutting part 303 on the slide block 30 in separable mode.
See also Fig. 3 A again, the figure shows the schematic diagram that press-key structure K of the present invention is in an operable state, in the present embodiment, aforementioned removable elastic device M can move along X-direction.As shown in the figure, when slide block 30 was positioned at primary importance X1, the sliding part R21 of connecting portion R2 end was arranged in the chute 402 of first connecting rod 40, and with an abutment end 402 ' of chute 402 inboards butt roughly.
As shown in Figure 3, when press-key structure K is in operable state, aforementioned sliding part R21 is positioned at the inboard and butt first connecting rod 40 roughly constantly of chute 402, simultaneously the strain R1 of portion owing to be subjected to some small stretchings give first connecting rod 40 provide one day left to the pre-power f of lateral elasticity, can support top keycap 60 thus, and make that keycap 60 is unlikely and rock easily.This moment, keycap 60 had one first height h1 with respect to base 10, and then formed one first angle θ 1 between first, second connecting rod 40,50.
Show that in Fig. 3 B keycap 60 is subjected to the schematic diagram of pressed by external force decline (in the use) when press-key structure K is in an operable state.As shown in the figure, when keycap 60 is subjected to pressed by external force and by the aforementioned first height h1 when dropping to a certain height h3, first connecting rod 40 is towards a first direction A1 displacement, and wherein the R1 of strain portion is owing to be subjected to stretching further and then produce lateral elasticity restoring force F, wherein a F〉f; Sliding part R21 this moment butt first connecting rod 40 constantly still, however in case when external force discharges, can make keycap 60 return back to aforementioned first height h1, the i.e. state as shown in Figure 3A by above-mentioned lateral elasticity restoring force F.
In particular, keycap 60 be subjected to pressed by external force and by aforementioned first the height h1 drop in the process of certain height h3, the pre-power f of lateral elasticity is transformed into lateral elasticity restoring force F in the mode that increases gradually, and wherein the ratio of pre-power f of lateral elasticity and lateral elasticity restoring force F generally is greater than 10%.If will allow the user experience preferable paragraph sense, the ratio of pre-power f of elasticity and lateral elasticity restoring force F can be enlarged to more than 30%.Owing to adopt extension spring in the present embodiment, therefore extension spring itself can remain on the rectilinear direction at two ends when mode of operation, and and can stably change direction along with the height variation of abutment end 402 '.Thus, aforementioned elastic-restoring force F also can stably change direction, the component that can not have other direction along with the height variation of abutment end 402 '.
In the present embodiment, aforementioned film circuit board 20 is to connect and move with slide block 30, and shown in Fig. 3 B, an elastic structure 201 is arranged on the switch element 202 on the film circuit board 20.When 30 of slide blocks are in primary importance X and keycap 60 is pressed when dropping to certain height h3, second connecting rod 50 is promptly oppressed aforementioned elastic structure 201 and is out of shape down, and then can touch the switch element 202 of below, then transmit an electronic signal immediately to external circuit by film circuit board 20 this moment.In the present invention, come the touch switch element 202, also can come touch switch element 202, to reach identical effect by first connecting rod 40 or keycap 60 compressing elastic structures 201 except utilizing second connecting rod 50.Though switch element 202 is the element on the film circuit board 20 in the present embodiment, yet also can not use film circuit board 20 in design, and with one independently switch element 202 replace aforementioned film circuit board 20.
Then see also Fig. 3 C～Fig. 3 E, aforementioned slide block 30 can move to second place X2 by the primary importance X1 on the X-axis along first direction A1, this moment, press-key structure K then was for conversion into the non-operating state shown in Fig. 3 E by the operable state shown in Fig. 3 A accordingly, and wherein film circuit board 20 connects also mobile with the slide block 30 of top.Shown in Fig. 3 C, in the process that slide block 30 moves along first direction A1, the second abutting part R22 continues butt first abutting part 303, this moment, the sliding part R21 on right side slided in the chute 402 of first connecting rod 40 with slide block 30, in addition because first connecting rod 40 no longer is subjected to the spring force constraint, so the top keycap 60 can by gravity burst naturally or by external force drop to second the height h2, wherein h2＜h1; This moment, press-key structure K then was in non-operating state, and formed one second angle θ 2 between first, second connecting rod 40,50, and wherein θ 2＜θ 1.
Further, when the R1 of strain portion is subjected to discharging, can drop to the second height h2 (shown in Fig. 3 E) really in order to ensure keycap 60, slide block 30 tops in the present embodiment also are provided with block 302, move in the process of a second place X2 at slide block 30 along first direction A1 by primary importance X1, block 302 butts also promote second connecting rod 50 (shown in Fig. 3 D), can force keycap 60 to descend towards base 10 directions thus.In addition, below slide block 30, be provided with protuberance 301 in addition, when slide block 30 is moved in the process of second place X2 by primary importance X1, protuberance 301 can promote the extension 411 (shown in Fig. 3 E) of first connecting rod 40 belows further towards first direction A1, and force first connecting rod 40 in guide groove 101, to slide, so can be beneficial to keycap 60 and drop to the second height h2 towards base 10 directions.See also Fig. 3 A, though the specific range of being separated by between extension 411 and the protuberance 301 in the present embodiment also can make extension 411 and protuberance 301 keep roughly butt in design, the noise that is produced because of collision when reducing operation push-button.
When the press-key structure position is in non-operating state shown in Fig. 3 E, though first, second connecting rod 40,50 and keycap 60 descend towards base 10, but because aforementioned film circuit board moves to second place X2 with slide block 30 from primary importance X1 20 this moments, therefore first, second connecting rod 40,50 or keycap 60 can not touch aforementioned switches element 202, can avoid producing when non-operating state the situation of false touch thus.
In the present embodiment, aforementioned first connecting rod 40 is by being articulated in pivot 401 in the pivoted hole 501 of second connecting rod 50 in rotating mode, wherein the size of pivoted hole 501 is greater than pivot 401 (shown in Fig. 3 C), can reduce both frictional force when relatively rotating thus, push to make things convenient for the user.Then see also Fig. 2 A and Fig. 3 C, between two pivots 401, has a virtual axial line 401 ', and first connecting rod 40 has first contact site 405, second connecting rod 50 has one second contact site 505 (shown in Fig. 2 A, 3C), when first, second connecting rod 40,50 rotates mutually, aforementioned first, second contact site 405,505 roughly is connected to axial line 401 ' mutually, so the dynamic friction of stating first, second contact site 405,505 can be reduced effectively, and the side direction elastic force that pivot 401 is born can be effectively lowered.Wherein, between the above-mentioned end 53 and articulated section 103 that also can apply to second connecting rod 50 in order to the design that reduces first, second contact site 405,505 frictional force.
In addition, flexible member R in Fig. 2 B also can be single spring R1 ' as shown in Figure 4, wherein can form aforementioned first abutting part R22 and sliding part R21 structure by part bending with spring R1 ', can save thus and aforesaid connecting portion R2 is set, and similarly can reach above-mentioned effect so that mechanism more simplifies.
As previously mentioned, press-key structure of the present invention can make keycap 60 descend thus when non-working condition, and then save the space effectively by removable elastic device M is set.In addition, in the press-key structure of present embodiment, aforementioned removable elastic device M also can be arranged at the press-key structure outside (not icon), and this moment, the strain R1 of portion then can adopt " compression " elastic device to replace aforesaid " drawing " spring.
Second embodiment
See also Fig. 5 A and Fig. 5 B, what be different from first embodiment is, also comprises an actuating arm R3 among the press-key structure K in the present embodiment, and wherein actuating arm R3 is arranged at the connecting portion R2 (shown in 5B figure) among the aforementioned flexible member R.And please consult Fig. 6 A and Fig. 6 B simultaneously, wherein Fig. 6 B shows that when press-key structure K was in an operable state, keycap 60 was subjected to the schematic diagram of pressed by external force decline (in the use).Shown in Fig. 6 B, when press-key structure K position is under the operable state, and keycap 60 is subjected to pressed by external force and by the aforementioned first height h1 when dropping to certain height h3, this moment, first connecting rod 40 was along first direction A1 displacement, and the R1 of strain portion produces a lateral elasticity restoring force F because of being subjected to stretching, in case when external force discharges under this state, can make keycap 60 reply the aforementioned first height h1 by above-mentioned lateral elasticity restoring force F.
Particularly, when press-key structure K is subjected to pressed by external force and forms state shown in Fig. 6 B, the actuating arm R3 that is arranged in connecting portion R2 left side is first connecting rod 40 compressings that descended, and then downward butt and touch switch element 202 in the film circuit board 20, yet aforementioned switches element 202 also can touch to reach identical effect by second connecting rod 50 or keycap 60.
Then see also Fig. 6 C～Fig. 6 D, when aforementioned slide block 30 when first direction A1 moves, press-key structure K of the present invention can be transformed into non-operating state shown in Fig. 6 E by the operable state shown in Fig. 6 A, and wherein film circuit board 20 is fixed in base 10 and can't moves with slide block 30.Shown in Fig. 6 C, in the process that slide block 30 moves along first direction A1, the second abutting part R22 continues butt first abutting part 303.The sliding part R2 on right side moves in the chute 402 of first connecting rod 40 with slide block 30, and because first connecting rod 40 no longer is subjected to the spring force constraint, therefore top keycap 60 can be burst naturally or drops to the second height h2 by external force by gravity, and then makes press-key structure K be in non-operating state (shown in Fig. 6 E).
Particularly, when the press-key structure position is in non-operating state shown in Fig. 6 D, though first, second connecting rod 40,50 and keycap 60 descend towards base 10, but because aforementioned actuating arm R3 is along with slide block 30 moves towards right-hand, therefore first, second connecting rod 40,50 or keycap 60 can not be urged to actuating arm R3 when non-operating state, also can't touch the switch element 202 of below, so can avoid taking place the situation of false touch.
The 3rd embodiment
Then see also Fig. 7 A and Fig. 7 B, what be different from second embodiment is, the press-key structure K in the present embodiment replaces aforesaid actuating arm R3 by an elastic arm R4, and wherein elastic arm R4 is arranged on (shown in Fig. 7 B) on the aforementioned slide block 30.See also Fig. 8 A and Fig. 8 B again, wherein Fig. 8 B shows that when press-key structure K was in an operable state, keycap 60 was subjected to the schematic diagram of pressed by external force decline (in the use).
Shown in Fig. 8 B, when press-key structure K position is in operable state, keycap 60 is subjected to a pressed by external force and by the aforementioned first height h1 when dropping to a certain height h3, this moment, first connecting rod 40 was along first direction A1 displacement, and the R1 of strain portion produces a lateral elasticity restoring force F because of being subjected to stretching, in case when external force discharges under this state, can make keycap 60 reply the aforementioned first height h1 naturally by above-mentioned lateral elasticity restoring force F.
Particularly, when press-key structure K position is in state shown in Fig. 8 B, keycap 60 in the decline is by protruding in a projection 601 compressing elastic arm R4 of keycap 60 belows, and then the switch element 202 in the film circuit board 20 below touching, yet aforementioned switches element 202 also can touch to reach identical effect by second connecting rod 50 or keycap 60.Wherein, projection 601 can with keycap 60 one-body molded making, also can be the flexible material of tool and be fixed in keycap 60 belows.
Then see also Fig. 8 C～Fig. 8 D, when aforementioned slide block 30 when first direction A1 moves, press-key structure K of the present invention can be transformed into non-operating state shown in Fig. 8 D by the operable state shown in Fig. 8 A, in the present embodiment film circuit board 20 be fixed in base 10 and only slide block 30 move separately.Shown in Fig. 8 C, in the process that slide block 30 moves along first direction A1, the second abutting part R22 continues butt first abutting part 303, the sliding part R2 on right side slides in the chute 401 of first connecting rod 40 with slide block 30, this moment is because first connecting rod 40 no longer is subjected to the spring force constraint, so top keycap 60 can be burst naturally or drops to the second height h2 by external force by gravity, and then makes press-key structure K be in non-operating state (shown in Fig. 8 D).
Particularly, when the press-key structure position is in non-operating state shown in Fig. 8 D, though first, second connecting rod 40,50 and keycap 60 descend towards base 10 directions, but because aforementioned elastic arm R4 is along with slide block 80 moves towards right-hand, therefore no matter first, second connecting rod 40,50 or keycap 60 neither meetings are urged to elastic arm R4, can not touch the switch element 202 of below yet, so can avoid when non-operating state, producing the situation of false touch.
In addition, elastic arm R4 also can be replaced by the elastic structure among first embodiment 201, and wherein elastic structure 201 can adopt rubber-like material, for example rubber.Again, aforementioned elastic structure 201 also can be provided with a conductor portion (not shown), and utilizes this conductor portion to constitute the part of aforementioned switches element 202.
Aforementioned keys structure K possesses the input unit that press-key structure is arranged applicable to one, as shown in Figure 9, input unit of the present invention is the key board unit of a mobile computer, it comprises a base module 70, one removable elastic device module 80, a push pedal 90 and a plurality of aforesaid press-key structure K, wherein push pedal 90 is between base module 70 and removable elastic device module 80, and the structure of press-key structure K discloses in front, does not repeat them here.
See also the 9th figure, a plurality of aforesaid bases 10 are arranged on the base module 70, a plurality of aforesaid removable elastic device M then are arranged on the removable elastic device module 80, wherein removable elastic device module 80 can move between the 3rd position X3 of 1 on the X-axis and one the 4th position X4, when removable elastic device module 80 is positioned at the 3rd position X3, aforementioned a plurality of press-key structure K is an operable state, when removable elastic device module 80 was positioned at the 4th position X4, the keycap of aforementioned a plurality of press-key structure K (not shown) promptly descended and is a non-operating state.
As shown in the figure, removable elastic device module 80 has one or more Z-shaped guide channels 800, guide channel 800 has a five terminal 801 and one the 6th end 802, and wherein five terminal 801 communicates with the 6th end 802 and be separated by a space D on aforementioned first direction A1.Aforementioned push pedal 90 can be moved in the horizontal direction of vertical X-axis, wherein push pedal 90 is provided with outstanding guide block 901, pass Z-shaped guide channel 800, can drive guide block 901 by push pedal 90 moves between the 5th, the 6th end 801,802, when guide block was positioned at five terminal 801, removable elastic device module was positioned at the 3rd position X3; When guide block was positioned at the 6th end 802, removable elastic device module was positioned at the 4th position X4.
Then see also Figure 10 A, Figure 10 B and Figure 11 A, Figure 11 B, input unit of the present invention also comprises a loam cake U, a housing T and a support arm J, and wherein loam cake U can be used as the frame structure of a mobile computer screen (monitor).The end of aforementioned support arm J is to articulate with loam cake U, and the other end then is articulated in aforementioned push pedal 90.In addition, aforementioned base module 70 is fixed on the housing T, and loam cake U then articulates with base module 70 or housing T, and optionally is in a closure state or an opening with respect to base module 70 or housing T.When input unit by closure state (shown in Figure 11 A and Figure 11 B) when being transformed to opening (shown in Figure 10 A and Figure 10 B), loam cake U drives push pedal 90 by support arm J and moves along a second direction A2, make guide block 901 be positioned at the five terminal 801 of Z-shaped guide channel 800,80 reverse A1 ' along first direction A1 of removable elastic device this moment move to aforementioned the 3rd position X3, and make a plurality of press-key structure K position be in an operable state.Wherein, second direction A2 is vertical with aforementioned first direction A1.
Otherwise, when input unit is for conversion into closure state by opening (shown in Figure 11 A and Figure 11 B), loam cake U is towards base module 70 or housing T closure, support arm J then can drive push pedal 90 and moved along the reverse A2 ' of second direction A2 this moment, and make guide block 901 move to the 6th end 802 by the five terminal 801 of Z-shaped guide channel 800, this moment, 80 of removable elastic devices moved as for the 4th position X4 along first direction A1, and made a plurality of press-key structure K position be in a non-operating state.
In the present embodiment, aforementioned removable elastic device module 80 can utilize electro-motor or calutron to drive to produce displacement by push pedal 90 indirectly, directly promote above-mentioned removable elastic device module 80 to produce displacement yet also can pass through electro-motor or calutron.
The 4th embodiment
See also Figure 12 A and Figure 12 B, the difference of the present embodiment and first embodiment only is to have omitted keycap 60, and its start principle is then identical with first embodiment.As shown in the figure, elastic mechanism G connects a press surface Q or a keycap (not shown) by mobilizable modes such as pivot joint or butts, to provide an elastic-restoring force in above-mentioned keycap or press surface Q.Wherein, aforementioned removable elastic device M optionally is positioned at a primary importance X1 or a second place X2, when being positioned at primary importance X1, removable elastic device M is operable state, aforementioned removable elastic device M this moment butt first connecting rod 40 roughly, and make first connecting rod 40 and second connecting rod 50 form one first angle θ 1, shown in Figure 12 B, when suffering oppression, elastic mechanism G can provide an elastic-restoring force F in press surface Q or aforementioned keycap.
In addition, when removable elastic device M was positioned at second place X2, aforementioned removable elastic device M discharged first connecting rod 40, and this moment, first connecting rod 40 and second connecting rod 50 can be subjected to an external force or gravity and burst (shown in Figure 12 C).Elastic mechanism G was in non-operating state and did not provide elastic-restoring force in this button or press surface Q this moment, and wherein first connecting rod 40 and second connecting rod 50 form one second angle θ 2, and the first angle θ 1 is greater than the second angle θ 2.
The 5th embodiment
Then see also Figure 13 A～Figure 13 D, what be different from second embodiment is, in the press-key structure K of present embodiment, chute 402 can be designed to the given shape shown in Figure 13 A～Figure 13 D, wherein narrower near the part of abutment end 402 ', part away from abutment end 402 ' is then spacious, sliding part R21 also can be designed to the given shape shown in Figure 13 A～Figure 13 D corresponding to chute 402 in addition, when press-key structure K is in operable state (as shown in FIG. 13A), sliding part R21 is connected to the abutment end 402 ' of chute 402 inboards.
Shown in Figure 13 B, when user's pressing keys structure K, actuating arm R3 can swing in the decline process along with first connecting rod 40, and then touch switch element 202.Wherein, when removable elastic device M when first direction A1 moves, sliding part R21 moves to spacious part by the narrower part of chute 402, can change the hunting range of actuating arm R3 thus, and can avoid actuating arm R3 at (as Figure 13 C to shown in Figure 13 D) false touch switch element 202 in switching to the process of non-operating state.In addition, also can form the contact-making surface of a given shape between abutment end 402 ' and the sliding part R21, to reach the effect that changes actuating arm R3 hunting range.
The 6th embodiment
See also Fig. 2 A, the removable elastic device M in first embodiment also can be reduced to a fixed elastic device (not icon), and this moment, press-key structure K only can be in operable state, and can't switch to non-operating state.Said fixing formula elastic device can only be made of the aforesaid strain R1 of portion, the end butt of the R1 of strain portion or connect first connecting rod 40 (not shown) wherein, the other end then connects or is fixed in base 10 (not shown), can provide a lateral elasticity restoring force in keycap thus.Wherein, the aforementioned strain R1 of portion can be an extension spring, and perhaps based on the consideration on the space, aforementioned extension spring also can be designed to different shape, as plane formula or non-coiled extension spring.
In addition, though the foregoing description is an example with one deck base 10 all, also base 10 can be arranged at film circuit board 20 tops in the enforcement, and another base (not shown) is arranged at film circuit board 20 belows, promptly form the structure of " two-layer base ".Relevant for the shear-type key structure of " two-layer base ", can consult Fig. 1 of Taiwan number of patent application 088208239.
In sum, input unit of the present invention and press-key structure thereof can make keycap descend when non-working condition, and then can save the space effectively.In addition, the present invention provides a lateral elasticity restoring force by flexible member, and the mode of (laborsaving) allows button drop to the second height h2 (non-operating state) more easily.
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; still can do some and change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (23)
1. press-key structure comprises:
One keycap;
One base;
One first connecting rod, an end of this first connecting rod connects this keycap in movable mode, and the other end is slidably with respect to this base motion;
One second connecting rod, but be connected with the mode of this first connecting rod with interlock, an end of this second connecting rod connects this keycap in movable mode, and the other end connects this base in movable mode; And
One removable elastic device optionally is positioned at a primary importance or a second place, and this removable elastic device also comprises:
One slide block, this slide block can move between this primary importance and this second place with respect to this base;
One flexible member comprises a strain portion and an a junction, and this connecting portion slidably is connected with this first connecting rod, and this strain portion connects this slide block and this connecting portion;
Wherein when this removable elastic device is positioned at this primary importance, this removable elastic device is roughly along this first connecting rod of first direction A1 butt, and make this keycap have one first height with respect to this base, and this removable elastic device provides a lateral elasticity pre-power in this first connecting rod, makes this press-key structure be in an operable state; When this removable elastic device is positioned at this second place, this removable elastic device discharges this first connecting rod, and make this keycap can be subjected to an external force or gravity and burst, make this press-key structure be in a non-operating state, and this keycap has one second height with respect to this base, wherein, this first height is greater than this second height.
2. press-key structure as claimed in claim 1, this first, second connecting rod is scissors shape structure.
3. press-key structure as claimed in claim 1, this first connecting rod and this second connecting rod connect in rotating mode.
4. press-key structure as claimed in claim 1, this strain portion is a spring.
5. press-key structure as claimed in claim 1, wherein this first connecting rod also comprises a chute, and this connecting portion has a sliding part, when this removable elastic device moved to this second place by this primary importance, this sliding part slided in this chute.
6. press-key structure as claimed in claim 1, wherein this slide block has one first abutting part, and this connecting portion has one second abutting part, when this press-key structure is in non-operating state, this first abutting part is connected to this second abutting part, and makes this flexible member be a preloading condition.
7. press-key structure as claimed in claim 6, when this press-key structure is in this operable state, and this keycap is when being subjected to a pressed by external force, and the sliding part of this connecting portion continues this first connecting rod of butt.
8. press-key structure as claimed in claim 1, wherein this flexible member is a spring.
9. press-key structure as claimed in claim 8, this first abutting part are to be formed by the bending of the part of this spring.
10. press-key structure as claimed in claim 1, wherein this base also comprises a guide groove, this first connecting rod slides in this guide groove.
11. press-key structure as claimed in claim 1, wherein this slide block also comprises a protuberance, and when this slide block moved to this second place by this primary importance, this protuberance promoted this first connecting rod, drops to this second height to force this keycap towards this base direction.
12. press-key structure as claimed in claim 11, this first connecting rod also comprises an extension, and this protuberance can push against the extension of this first connecting rod.
13. press-key structure as claimed in claim 1, wherein this removable elastic device also comprises a block, when this removable elastic device moved to this second place by this primary importance, this block promoted this second connecting rod, dropped to this second height to force this keycap towards this base direction.
14. press-key structure as claimed in claim 7, also comprise a switch element, can move elastic device with this moves, when this removable elastic device position was in this primary importance and this keycap and reduces to this second height, this first, second connecting rod and one of them person of this keycap touched this switch element; When this removable elastic device was in this second place, this first, second connecting rod and this keycap all can't touch this switch element.
15. press-key structure as claimed in claim 14 also comprises an elastic structure, is arranged on this switch element, this elastic structure can be subjected to a pressed by external force and touch this switch element.
16. press-key structure as claimed in claim 14 also comprises a film circuit board, this switch element is arranged on this film circuit board.
17. press-key structure as claimed in claim 7 also comprises:
One switch element is arranged on this base; And
One actuating arm is arranged on this connecting portion;
Wherein when this removable elastic device was positioned at this primary importance, this actuating arm can touch this switch element; When this removable elastic device was in this second place, this actuating arm can't touch this switch element.
18. an input unit, this input unit comprise a plurality of press-key structures as claimed in claim 1.
19. input unit as claimed in claim 18 also comprises:
One base module, this each base is arranged on this base module; And
One removable elastic device module, this each removable elastic device are arranged on this removable elastic device module, and this removable elastic device module is optionally switched between one the 3rd position and one the 4th position;
Wherein when this removable elastic device module was positioned at the 3rd position, this each press-key structure was in this operable state; When this removable elastic device was positioned at the 4th position, this each press-key structure was in this non-operating state.
20. input unit as claimed in claim 19 also comprises:
One push pedal, can drive this removable elastic device module moves between the 3rd position and the 4th position, wherein this push pedal has a guide block and a Z-shaped guide channel respectively with this removable elastic device module, this guide channel has a five terminal and one the 6th end, this five terminal communicates with the 6th end and the spacing of being separated by on this first direction, and this guide block can move between this five terminal of this guide channel and the 6th end;
Wherein, when this guide block was positioned at this five terminal, this removable elastic device module was positioned at the 3rd position; When this guide block was positioned at the 6th end, this removable elastic device module was positioned at the 4th position.
21. input unit as claimed in claim 20, the moving direction of this push pedal is vertical mutually with the moving direction of this removable elastic device module.
22. input unit as claimed in claim 21 also comprises:
One housing;
One loam cake articulates with this housing or base module, can rotate with respect to this housing or base module, and optionally form a closure state or an opening with this housing or base module; And
One support arm, an end of this support arm is connected with this loam cake in rotating mode, and the other end then is connected with this push pedal in rotating mode;
Wherein, when loam cake and housing were in this opening, this removable elastic device module was positioned at the 3rd position; When loam cake and housing were in this closure state, this removable elastic device module was positioned at the 4th position.
23. an elastic mechanism provides an elastic-restoring force in a button or a press surface, comprising:
One base;
One first connecting rod, an end of this first connecting rod are slidably with respect to this base motion;
One second connecting rod, but be connected in the interlock mode with this first connecting rod, and an end of this second connecting rod connects this base in movable mode; And
One removable elastic device optionally is positioned at a primary importance or a second place, and this removable elastic device also comprises:
One slide block, this slide block can move between this primary importance and this second place with respect to this base;
One flexible member comprises a strain portion and an a junction, and this connecting portion slidably is connected with this first connecting rod, and this strain portion connects this slide block and this connecting portion;
Wherein when this removable elastic device is positioned at this primary importance, this removable elastic device is this first connecting rod of butt roughly, and this removable elastic device provides a lateral elasticity restoring force in this first connecting rod, and this first connecting rod and second connecting rod form one first angle; When this removable elastic device is positioned at this second place, this removable elastic device discharges this first connecting rod, this first connecting rod and this second connecting rod can be subjected to an external force or gravity and burst, and this first connecting rod and second connecting rod form one second angle, and wherein this first angle is greater than this second angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100064485A CN100474475C (en) | 2005-02-01 | 2005-02-01 | Input device, key structure and elastic mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100064485A CN100474475C (en) | 2005-02-01 | 2005-02-01 | Input device, key structure and elastic mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1815651A CN1815651A (en) | 2006-08-09 |
| CN100474475C true CN100474475C (en) | 2009-04-01 |
Family
ID=36907769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100064485A Expired - Fee Related CN100474475C (en) | 2005-02-01 | 2005-02-01 | Input device, key structure and elastic mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100474475C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11551889B2 (en) | 2019-06-25 | 2023-01-10 | Darfon Electronics Corp. | Key switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165322A (en) * | 2011-12-19 | 2013-06-19 | 联想(北京)有限公司 | Keyboard and assembling method for keyboard |
| WO2015096045A1 (en) * | 2013-12-24 | 2015-07-02 | 洪贵顺 | Keyboard lever and mechanical lever-type metal dome ultrathin keyboard |
| TWI550668B (en) * | 2015-07-03 | 2016-09-21 | 達方電子股份有限公司 | Keyswitch and keyboard thereof |
| CN113012966B (en) * | 2019-12-19 | 2023-12-19 | 明基智能科技（上海）有限公司 | Key pre-pressing structure and key assembling method |
-
2005
- 2005-02-01 CN CNB2005100064485A patent/CN100474475C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11551889B2 (en) | 2019-06-25 | 2023-01-10 | Darfon Electronics Corp. | Key switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1815651A (en) | 2006-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7022927B2 (en) | Keyboards with elevated keys | |
| US5828015A (en) | Low profile keyboard keyswitch using a double scissor movement | |
| JP4292186B2 (en) | Input device, key structure and elastic mechanism thereof | |
| CN100474475C (en) | Input device, key structure and elastic mechanism thereof | |
| JP3752240B2 (en) | Key switch | |
| US20170277227A1 (en) | Keyboard and notebook computer with same | |
| CN1224886C (en) | Keyboard with jumping key top and electronic equipment arranged with such keyboard | |
| JP2007188682A (en) | Key switch device | |
| US20110254788A1 (en) | Movable touch module and electronic device using the same | |
| EP2378398A2 (en) | Movable touch module and electronic device using the same | |
| CN2793899Y (en) | Inputter, key button structure and elastic mechanism | |
| EP4333012A1 (en) | Lifting button and electronic device | |
| TWI601172B (en) | Keyboard | |
| CN201946474U (en) | Keypad structure and keyboard | |
| CN202258933U (en) | Press key and keyboard with the same | |
| CN100468276C (en) | Keyboard, lifting press key components and elastic components thereof | |
| CN103681051A (en) | Thin key and keyboard | |
| CN107291251A (en) | The notebook computer of keyboard and the application keyboard | |
| CN202261224U (en) | Key and keyboard | |
| CN100481294C (en) | Press key structure | |
| CN107240525B (en) | Keyboard with a keyboard body | |
| CN203367100U (en) | Keyboard capable of preventing keycap from being pressed down | |
| CN102043478A (en) | Key input device | |
| CN112445359B (en) | Touch control module | |
| CN200990331Y (en) | Multidirectional operating key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20200201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |