CN103681056B - Elastic actuator and comprise its dome body thin slice, button and keyboard - Google Patents
Elastic actuator and comprise its dome body thin slice, button and keyboard Download PDFInfo
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- CN103681056B CN103681056B CN201310563200.3A CN201310563200A CN103681056B CN 103681056 B CN103681056 B CN 103681056B CN 201310563200 A CN201310563200 A CN 201310563200A CN 103681056 B CN103681056 B CN 103681056B
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Abstract
The present invention is about a kind of elastic actuator and the dome body thin slice, button and the keyboard that comprise it.The elastic actuator of a preferred embodiment of the present invention comprises elastomer, platform, protruded stigma and start post.Mesa-shaped is formed on elastomeric top, and has the first top.Protruded stigma is formed at the center position at elastomeric top, and has the second top.Second top is higher than the first top.Start cylindricality is formed in elastomer.Elastic actuator of the present invention and comprise the dome body thin slice of this elastic actuator, button and keyboard, by arranging protruded stigma, excrescence or ring bodies on elastic actuator, and its top is higher than platform top, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of the button being provided with elastic actuator of the present invention.
Description
Technical field
The present invention is about a kind of elastic actuator (resilientactuator) and comprise the dome body thin slice (domesheet) of this elastic actuator, button (keyswitch) and keyboard (keyboard), and particularly about having the elastic actuator allowing peak value stroke (peaktravel) increase, there is the pressing feel of the button of this elastic actuator with erection & lift.
Background technology
Refer to Figure 1A and Figure 1B.Figure 1A is the cross section view of the keyboard 1 of prior art.Figure 1B is the partial cross sectional views of button 10 in Figure 1A.
As shown in Figure 1A, keyboard 1 comprises pedestal 13 and multiple button 10.Multiple button 10 is placed in pedestal 13 haply, and allows the keycap 14 of itself expose to pedestal 13, presses for user.
As shown in Figure 1B, button 10 comprises substrate 11, thin film switch 12, keycap 14, scissor bracing or strutting arrangement 16 and elastic actuator 18.Scissor bracing or strutting arrangement 16 is installed on the substrate 11, substrate 11 is formed the structure of assisting scissor bracing or strutting arrangement 16 fixing.Keycap 14 is installed on scissor bracing or strutting arrangement 16.Scissor bracing or strutting arrangement 16 limits the vertical movement that keycap 14 is done relative to thin film switch 12, i.e. the movement of keycap 14 between non-pressing position and pressing position.
Elastic actuator 18 is arranged on thin film switch 12, and abuts to keycap 14.Elastic actuator 18 comprises elastomer (resilientdome) 182 and start post 184.Elastomer 182 has opening 186, and has quite height.Start post 184 is formed in elastomer 182, and gives prominence to towards opening 186.
Elastic actuator 18 also comprises platform 188.Platform 188 is formed at the top 183 of elastomer 182.Platform 188 abuts the lower surface 140 to keycap 14.Generally, platform 188 has depression 189.
External force is applied on keycap 14 and keycap 14 is moved towards thin film switch 12.The engineering properties of elastic actuator 18 affects the pressing feel of button 10.The external force be applied on keycap 14 increases along with stroke (being mainly the deflection of platform 188, elastomer 182) and increases, when external force reaches peak value control power (peakforce), stroke can increase fast, causes start post 184 to activate thin film switch 12 and triggers.The stroke of corresponding peak value control power is defined as peak value stroke.Namely peak value stroke provides operator presses feel.
Elastic actuator 18 shown in Figure 1B is the same with typical elastic actuator, and its peak value stroke is very little, causes the feel of operator presses button 10 not good.If overall thinning low Stroke Key installs the elastic actuator 18 shown in Figure 1B or typical elastic actuator, its problem pressing feel not good can be more seriously good.
Summary of the invention
Therefore, the present invention be for the technical problem solved the dome body thin slice, button and the keyboard that a kind of elastic actuator are provided and comprise this elastic actuator, and elastic actuator of the present invention has the structure increasing peak value stroke.
In order to achieve the above object, the present invention proposes a kind of elastic actuator, is arranged between keycap and base plate, and this elastic actuator comprises elastomer, platform, protruded stigma and start post.Elastomer has opening and top; Mesa-shaped is formed on this top, and this platform has the first top; Protruded stigma to be formed on this platform and to should the center position at top, and this protruded stigma has the second top, and this second top is higher than this first top; Start post to be formed in this elastomer and to extend towards this opening; Wherein when this keycap of the top being placed in this elastic actuator moves to this base plate, this keycap contacts this second top in advance, and after this protruded stigma is first out of shape, this keycap again row touches this first top, makes this platform start distortion.
As optional technical scheme, this elastomer also has breach, and this breach is formed at the outer of this opening and places.
As optional technical scheme, this platform also has depression, and this protruded stigma is formed in this depression.
Elastic actuator of the present invention, by arranging protruded stigma on elastic actuator, and the top of protruded stigma is higher than the top of platform, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of the button being provided with elastic actuator of the present invention.
The present invention also proposes another kind of elastic actuator, is arranged between keycap and base plate, and this elastic actuator comprises elastomer, platform, a plurality of excrescence and start post.Elastomer has opening and top; Mesa-shaped is formed on this top, and this platform has the first top; A plurality of excrescence is formed on this first top, and symmetrically around this elastomeric center, and all have preset pitch between two adjacent excrescences, each excrescence has the second top respectively, and this plurality of second top is higher than this first top; Start post to be formed in this elastomer and to extend towards this opening; Wherein when this keycap of the top being placed in this elastic actuator moves to this base plate, this keycap contacts this plurality of second top in advance, and after this plurality of excrescence is first out of shape, this plurality of excrescence of distortion forces in this platform, makes this platform start distortion.
As optional technical scheme, have a distance between an excrescence and this this center elastomeric, this this top elastomeric has an external diameter, and this distance is less than the half of this external diameter.
As optional technical scheme, this elastomer also has breach, and this breach is formed at the outer of this opening and places.
As optional technical scheme, this platform also has depression.
Elastic actuator of the present invention, by arranging a plurality of excrescence on elastic actuator, and the top of a plurality of excrescence is higher than the top of platform, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of the button being provided with elastic actuator of the present invention.
In addition, the present invention also proposes another elastic actuator, is arranged between keycap and base plate, and this elastic actuator comprises elastomer, platform, ring bodies and start post.Elastomer has opening and top; Mesa-shaped is formed on this top, and this platform has the first top; Ring bodies is formed on this platform, and the center of circle of this ring bodies is identical with the center at this top, and this ring bodies has the second top, and this second top is higher than this first top; Start post to be formed in this elastomer and to extend towards this opening; Wherein when this keycap of the top being placed in this elastic actuator moves to this base plate, this keycap contacts this second top in advance, and after this ring bodies is first out of shape, the ring bodies of this distortion forces in this platform, makes this platform start distortion.
As optional technical scheme, this this top elastomeric has the first external diameter, and this ring bodies has the second external diameter, and this second external diameter is less than this first external diameter.
As optional technical scheme, this elastomer also has breach, and this breach is formed at the outer of this opening and places.
Elastic actuator of the present invention, by arranging ring bodies on elastic actuator, and the top of ring bodies is higher than the top of platform, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of the button being provided with elastic actuator of the present invention.
In addition, the present invention also proposes a kind of button, and this button comprises above-mentioned elastic actuator, substrate, thin film switch, keycap and bracing or strutting arrangement.Thin film switch is arranged on the substrate; Bracing or strutting arrangement is arranged between this substrate and this keycap, and this bracing or strutting arrangement limits this keycap and moves between non-pressing position and pressing position; Wherein this elastic actuator is arranged on this thin film switch, is used to trigger this thin film switch when this keycap is positioned at this pressing position, and this elastic actuator abuts to this keycap.
Button of the present invention, by arranging protruded stigma, excrescence or ring bodies on elastic actuator, and its top is higher than platform top, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of button of the present invention.
In addition, the present invention also proposes a kind of dome body thin slice, is applicable to keyboard, and this dome body thin slice comprises base material, the first elastic actuator and the second elastic actuator.First elastic actuator is formed on this base material; Second elastic actuator is formed on this base material; Wherein this first elastic actuator and this second elastic actuator are all above-mentioned elastic actuator, and overall dimensions are all identical, cause this first elastic actuator to have identical engineering properties with this second elastic actuator.
Dome body thin slice of the present invention, by arranging protruded stigma, excrescence or ring bodies on elastic actuator, and its top is higher than platform top, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of the button being provided with dome body thin slice of the present invention.
In addition, the present invention also proposes a kind of keyboard, and this keyboard comprises substrate, the first button and the second button.This first button comprises the first film switch, the first keycap, the first bracing or strutting arrangement and the first elastic actuator.The first film switch-linear hybrid is on this substrate; First bracing or strutting arrangement is arranged between this substrate and this first keycap, and this first bracing or strutting arrangement limits this first keycap and moves between the first non-pressing position and the first pressing position; First elastic actuator is arranged on this first film switch, and abuts to this first keycap, and this first elastic actuator is used to trigger this first film switch when this first keycap is positioned at this first pressing position; This second button comprises the second thin film switch, the second keycap, the second bracing or strutting arrangement and the second elastic actuator.Second thin film switch is arranged on this substrate; Second bracing or strutting arrangement is arranged between this substrate and this second keycap, and this second bracing or strutting arrangement limits this second keycap and moves between the second non-pressing position and the second pressing position; Second elastic actuator is arranged on this second thin film switch, and abuts to this second keycap, and this second elastic actuator is used to trigger this second thin film switch when this second keycap is positioned at this second pressing position; Wherein this first elastic actuator and this second elastic actuator are all above-mentioned elastic actuator, and overall dimensions are all identical, cause this first elastic actuator to have identical engineering properties with this second elastic actuator.
Keyboard of the present invention, by arranging protruded stigma, excrescence or ring bodies on elastic actuator, and its top is higher than platform top, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of keyboard of the present invention.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Figure 1A is the cross section view of the keyboard of prior art;
Figure 1B is the partial cross sectional views of keyboard in Figure 1A;
Fig. 2 is the external view of the elastic actuator of the first preferred embodiment of the present invention;
Fig. 3 A be Fig. 2 be in not by the elastic actuator of pressed by external force state along the cross section view of A-A hatching;
Fig. 3 B be Fig. 2 be in elastic actuator by pressed by external force state along the cross section view of A-A hatching;
Fig. 4 is the external view of the elastic actuator of the second preferred embodiment of the present invention;
Fig. 5 is the cross section view of elastic actuator along B-B hatching of Fig. 4;
Fig. 6 is the external view of the elastic actuator of the 3rd preferred embodiment of the present invention;
Fig. 7 is the cross section view of elastic actuator along C-C hatching of Fig. 6;
Fig. 8 is the external view of the elastic actuator of the 4th preferred embodiment of the present invention;
Fig. 9 is the cross section view of elastic actuator along D-D hatching of Fig. 8;
Figure 10 is the external force of elastic actuator with the elastic actuator contrasted-stroke characteristic schematic diagram of the first preferred embodiment of the present invention;
Figure 11 is the elastic actuator of the 3rd preferred embodiment of the present invention and the external force-stroke characteristic schematic diagram of the elastic actuator contrasted;
Figure 12 is the partial cross sectional views of the button of a preferred embodiment of the present invention;
Figure 13 is the local appearance view of the dome body thin slice of a preferred embodiment of the present invention;
Figure 14 is the partial cross sectional views of the keyboard of a preferred embodiment of the present invention.
Embodiment
Refer to Fig. 2, Fig. 3 A and Fig. 3 B, Fig. 2 schematically illustrates the elastic actuator 2 of the first preferred embodiment of the present invention with external view.Fig. 3 A be the elastic actuator 2 of Fig. 2 be in not by pressed by external force state time, along the cross section view of A-A hatching.Fig. 3 B is the elastic actuator 2 of Fig. 2 when being in by pressed by external force state, along another cross section view of A-A hatching.The elastic actuator 2 of the first preferred embodiment of the present invention can be arranged between keycap 29 and base plate.In Fig. 3 A, Fig. 3 B, only illustrate the partial cross sectional views of keycap 29, do not illustrate base plate.
As shown in Fig. 2, Fig. 3 A and Fig. 3 B, the elastic actuator 2 of the first preferred embodiment of the present invention comprises elastomer 20, platform 22, protruded stigma 24 and start post 26.In practical application, elastomer 20, platform 22, protruded stigma 24 can be one-body molded to make elastic actuator 2 with start post 26.In Fig. 3 A, Fig. 3 B, between each component of elastic actuator 2, structure, illustrate dotted line to separate.
Elastomer 20 has opening 202 and top 204.Platform 22 is formed on the top 204 of elastomer 20, and has the first top 226 and depression 222.Protruded stigma 24 is formed in depression 222, and corresponds to the center position at the top 204 of elastomer 20, and protruded stigma 24 has the second top 242.Especially, the second position in space, top 242 is higher than the first top 226.Start post 26 is formed in elastomer 20, and extends towards opening 202.As shown in Figure 3 B, when the keycap 29 of the top being placed in elastic actuator 2 of the present invention moves to base plate by pressed by external force, keycap 29 is contact the second top 242 in advance, after protruded stigma 24 is first out of shape, keycap 29 again row touches the first top 226, makes platform 22 start distortion.By this, compare with the elastic actuator of prior art, its peak value stroke of the elastic actuator 2 of the first preferred embodiment of the present invention obviously increases.
Further, the elastic actuator 2 of the first preferred embodiment of the present invention, its elastomer 20 also has breach 28.Breach 28 is formed on the periphery 206 of opening 202.When the elastic actuator 2 of the first preferred embodiment of the present invention is arranged on button, breach 28 is as steam vent.When the function of steam vent is that elastomer 20 is out of shape, gas can be discharged from steam vent.When the elastomer 20 of distortion is replied, gas sucks from steam vent, and it is more reasonable to design.
Refer to Fig. 4 and Fig. 5.Fig. 4 schematically illustrates the elastic actuator 3 of the second preferred embodiment of the present invention with external view.Fig. 5 is the cross section view of elastic actuator 3 along B-B hatching of Fig. 4.Elastic actuator 3 of the present invention can be arranged between keycap and base plate (not being illustrated in Fig. 4, Fig. 5).
As shown in Figures 4 and 5, the elastic actuator 3 of the second preferred embodiment of the present invention comprises elastomer 30, platform 32, a plurality of excrescence 34 and start post 36.In practical application, elastomer 30, platform 32, a plurality of excrescence 34 can be one-body molded to make elastic actuator 3 with start post 36.In Fig. 5, between each component of elastic actuator 3, structure, illustrate dotted line to separate.
Elastomer 30 has the first opening 302 and top 304.Platform 32 is formed on the top 304 of elastomer 30, and has depression 322, second opening 324 and the first top 326.A plurality of excrescence 34 is formed on the first top 326, and symmetrically around the center of elastomer 30.Between any two immediate excrescences 34, all there is identical preset pitch.Each excrescence 34 has the second top 342 respectively.Because this plurality of excrescence 34 is formed on the first top 326, so position in space, these second tops 342 is inevitable higher than the first top 326.Start post 36 is formed in elastomer 30, and extends towards the first opening 302.When the keycap of top of the elastic actuator 3 being placed in the second preferred embodiment of the present invention moves to base plate, keycap contacts these the second tops 342 in advance, this a plurality of excrescence 34 is first out of shape, the strength putting on the first top 326 when the excrescence 34 of distortion more than a default value after, then make platform 32 start distortion.By this, compare with the elastic actuator of prior art, its peak value stroke of the elastic actuator 3 of the second preferred embodiment of the present invention obviously increases.
In a specific embodiment, as shown in Figure 5, have distance r1 between each excrescence 34 and center of elastomer 30, the top 304 of elastomer 30 has outside diameter d 1, and this distance r1 is less than the half of this outside diameter d 1.
Further, the elastic actuator 3 of the second preferred embodiment of the present invention, its elastomer 30 also has breach 38.The effect of this breach 38, with the breach 28 of the first preferred embodiment, does not repeat at this.
Refer to Fig. 6 and Fig. 7.Fig. 6 schematically illustrates the elastic actuator 4 of the 3rd preferred embodiment of the present invention with external view.Fig. 7 is the cross section view of elastic actuator 4 along C-C hatching of Fig. 6.The elastic actuator 4 of the 3rd preferred embodiment of the present invention can be arranged between keycap and base plate (not being illustrated in Fig. 6, Fig. 7).
As shown in FIG. 6 and 7, the elastic actuator 4 of the 3rd preferred embodiment of the present invention comprises elastomer 40, platform 42, ring bodies 44 and start post 46.In practical application, elastomer 40, platform 42, ring bodies 44 can be one-body molded to make elastic actuator 4 with start post 46.In Fig. 7, between each component of elastic actuator 4, structure, illustrate dotted line to separate.
Elastomer 40 has opening 402 and top 404.Platform 42 is formed on the top 404 of elastomer 40, and has the first top 426.Ring bodies 44 is formed on platform 42, and the center of circle of ring bodies 44 is identical with the center at top 404.Ring bodies 44 has the second top 442.Because ring bodies 44 is formed on the first top 426 of platform 42, so position is inevitable higher than the first top 426 in space on the second top 442.Start post 46 is formed in elastomer 40, and extends towards opening 402.When the keycap of top of the elastic actuator 4 being placed in the 3rd preferred embodiment of the present invention moves to base plate, this keycap contacts the second top 442 in advance, ring bodies 44 is first out of shape, when distortion ring bodies 44 put on the first top 426 strength more than a default value after, then make platform 42 start distortion.By this, compare with the elastic actuator of prior art, its peak value stroke of elastic actuator 4 of the 3rd preferred embodiment of the present invention obviously increases.
In a specific embodiment, the top 404 of elastomer 40 has the first outside diameter d 2.Ring bodies 44 has the second outside diameter d 3, and this second outside diameter d 3 is less than this first outside diameter d 2.
Further, its elastomer 40 of elastic actuator 4 of the 3rd preferred embodiment of the present invention also has breach 48.The effect of this breach 48, with the breach 28 of the first preferred embodiment, does not repeat at this.
Refer to Fig. 8 and Fig. 9.Fig. 8 is the elastic actuator 5 schematically illustrating the 4th preferred embodiment of the present invention with external view.Fig. 9 is the cross section view of elastic actuator 5 along D-D hatching of Fig. 8.The elastic actuator 5 of the 4th preferred embodiment of the present invention can be arranged between keycap and base plate (not being illustrated in Fig. 8, Fig. 9).
As can be seen from figures 8 and 9, the elastic actuator 5 of the 4th preferred embodiment of the present invention comprises elastomer 50, platform 52, a plurality of excrescence 54 and start post 56.In practical application, elastomer 50, platform 52, a plurality of excrescence 54 can be one-body molded to make elastic actuator 2 with start post 56.In Fig. 9, between each component of elastic actuator 5, structure, illustrate dotted line to separate.
Elastomer 50 has opening 502 and top 504.Platform 52 is formed on the top 504 of elastomer 50, and has the first top 526.A plurality of excrescence 54 is formed on platform 52, and symmetrically around the center of elastomer 50.Between any two immediate excrescences 54, all there is identical preset pitch.Each excrescence 54 has the second top 542 respectively.Because this plurality of excrescence 54 is formed on the first top 526 of platform 52, so position is inevitable higher than the first top 526 in space on this plurality of second top 542.Start post 56 is formed in elastomer 50, and extends towards opening 502.When the keycap of top of the elastic actuator 5 being placed in the 4th preferred embodiment of the present invention moves to base plate, keycap contacts these the second tops 542 in advance, this a plurality of excrescence 54 is first out of shape, the strength putting on the first top 526 when the excrescence 54 of distortion more than a default value after, then make platform 52 start distortion.By this, compare with the elastic actuator of prior art, its peak value stroke of elastic actuator 5 of the 4th preferred embodiment of the present invention obviously increases.
In a specific embodiment, as shown in Figure 9, between a plurality of excrescence 54 and the center of elastomer 50, there is distance r2.The top 504 of elastomer 50 has outside diameter d 4, and this distance r2 is less than the half of this outside diameter d 4.
Further, elastomer 50 also has breach 58.Breach 58 is formed on the periphery 506 of opening 502.When the elastic actuator 5 of the 4th preferred embodiment of the present invention is arranged on button, the effect of this breach 58, with the breach 28 of the first preferred embodiment, does not repeat at this.
Refer to the external force-stroke characteristic schematic diagram of elastic actuator 2 (comprising protruded stigma 24) compared to Figure 1B prior art elastic actuator 10 (not comprising protruded stigma 24) that 10, Figure 10 is the first preferred embodiment in Fig. 2 of the present invention.Can be confirmed by Figure 10, when keycap be pressed be arranged in 0 ~ 0.2mm stroke time, only have protruded stigma 24 to be out of shape, and elastomer 20 not yet start distortion, therefore this section of stroke slope is less.When keycap be pressed be arranged in 0.2mm ~ 0.7mm stroke time, elastomer 20 starts to be out of shape but not yet arrives the collapse point of elastomer 20, and therefore this section of stroke slope is larger.Its peak value stroke of elastic actuator 2 PT2 so with protruded stigma 24 is obviously greater than the peak value stroke PT1 of the corresponding elastic actuator without protruded stigma 24.
Refer to 11.Figure 11 is the elastic actuator 4 of the 3rd preferred embodiment in Fig. 6 of the present invention, elastic actuator 10 (the not comprising ring bodies 44) external force under the practical operation-stroke characteristic schematic diagram of prior art in Figure 1B.Can be confirmed by Figure 11, adopt similar concept, above elastomer 40, be additionally connected in series comparatively soft elastomer (ring bodies 44), its peak value stroke of elastic actuator 4 PT4 so with ring bodies 44 is obviously greater than the peak value stroke PT3 of the corresponding elastic actuator without ring bodies 24.
Refer to Figure 12.Figure 12 is the button 6 schematically illustrating a preferred embodiment of the present invention with partial cross sectional views.Button 6 of the present invention is applicable to being installed on keyboard.
As shown in figure 12, button 6 of the present invention comprises elastic actuator 3 of the present invention, substrate 60, thin film switch 62, keycap 64 and bracing or strutting arrangement 66.The elastic actuator be placed in button 6 of the present invention can be arbitrary in the elastic actuator as shown in Fig. 2 to Fig. 9.For convenience of explanation, be illustrated in elastic actuator 4 in Figure 12 with the elastic actuator 3 shown in Fig. 4, Fig. 5 representatively, but not as limit.
Thin film switch 62 is arranged on substrate 60.Keycap 64 has lower surface 640.Bracing or strutting arrangement 66 is arranged between substrate 60 and keycap 64, and be connected to rotationally respectively keycap 64 lower surface 640 and with substrate 60.Substrate 60 and the lower surface 640 of keycap 64 form the structure of assisting supporting construction 66 fixing.Bracing or strutting arrangement 66 limits the vertical movement that keycap 64 is done relative to thin film switch 62, and namely keycap 64 moves between non-pressing position and pressing position.As shown in figure 12, supporting construction 66 can be scissor-like structure, but not as limit.
Elastic actuator 3 is arranged on thin film switch 62, and the second top 342 of this plurality of excrescence 34 abuts the lower surface 640 to keycap 64.When keycap 64 is not pressed, elastic actuator 3 supports keycap 64 at non-pressing position.When keycap 64 is by pressed by external force, keycap 64 is contact the second top 342 in advance, after excrescence 34 is first out of shape, the strength putting on the first top 326 when the excrescence 34 of distortion more than a default value after, make platform 32 again, elastomer 30 start distortion, allow keycap 64 fast moving to pressing position, cause start post 36 to activate thin film switch 62 and trigger.By this, button 6 of the present invention obviously promotes its pressing feel.There is in Figure 12 the assembly marked with duplicate numbers in Fig. 4, Fig. 5, have same or similar structure and function, do not repeat at this.
Refer to Figure 13, Figure 13 is the dome body thin slice 7 schematically illustrating a preferred embodiment of the present invention with local appearance view.Dome body thin slice 7 of the present invention is applicable to keyboard.
As shown in figure 13, dome body thin slice 7 of the present invention comprises base material 70, first elastic actuator 3a and the second elastic actuator 3b.First elastic actuator 3a and the second elastic actuator 3b is all formed on base material 70.Especially, the first elastic actuator 3a and the second elastic actuator 3b one of to be all in the elastic actuator of various preferred embodiment of the present invention, is in the elastic actuator as shown in Fig. 2 to Fig. 9 arbitrary.For convenience of explanation, the first elastic actuator 3a be illustrated in Figure 13 is identical with the elastic actuator 3 shown in second elastic actuator 3b and Fig. 4, Fig. 5, but not as limit.Further, the overall dimensions of the first elastic actuator 3a and the second elastic actuator 3b are all identical, cause the first elastic actuator 3a to have identical engineering properties with the second elastic actuator 3b, namely have identical external force-stroke characteristic, peak value stroke.There is in Figure 13 the assembly marked with duplicate numbers in Fig. 4, Fig. 5, have same or similar structure and function, do not repeat at this.
Refer to Figure 14.Figure 14 is the keyboard 8 schematically illustrating a preferred embodiment of the present invention with partial cross sectional views.
As shown in figure 14, keyboard 8 of the present invention comprises substrate 60, first button 6a and the second button 6b.The structure of the first button 6a and the second button 6b is identical with the structure of the button 6 shown in Figure 12, but not as limit.
First button 6a comprises the first film switch 62a, the first keycap 64a, the first bracing or strutting arrangement 66a and the first elastic actuator 2a.The first film switch 62a is arranged on substrate 60.First bracing or strutting arrangement 66a is arranged between substrate 60 and the first keycap 64a.First bracing or strutting arrangement 66a limits the first keycap 64a and moves between the first non-pressing position and the first pressing position.First elastic actuator 2a is arranged on the first film switch 62a, and abuts to the first keycap 64a.
Second button 6b comprises the second thin film switch 62b, the second keycap 64b, the second bracing or strutting arrangement 66b and the second elastic actuator 2b.Second thin film switch 62b is arranged on substrate 60.Second bracing or strutting arrangement 66b is arranged between substrate 60 and the second keycap 64b.Second bracing or strutting arrangement 66b limits the second keycap 64b and moves between the second non-pressing position and the second pressing position.Second elastic actuator 2b is arranged on the second thin film switch 62b, and abuts to the second keycap 64b.Especially, the first elastic actuator 3a and the second elastic actuator 3b one of to be all in the elastic actuator of various preferred embodiment of the present invention, is in the elastic actuator as shown in Fig. 2 to Fig. 9 arbitrary.For convenience of explanation, the first elastic actuator 3a be illustrated in Figure 14 is identical with the elastic actuator 3 shown in second elastic actuator 3b and Fig. 4, Fig. 5, but not as limit.Further, the overall dimensions of the first elastic actuator 3a and the second elastic actuator 3b are all identical, cause the first elastic actuator 3a to have identical engineering properties with the second elastic actuator 3b, namely have identical external force-stroke characteristic, peak value stroke.By this, button 6a and button 6b have identical pressing feel, and all obviously promote its pressing feel.There is in Figure 14 the assembly marked with duplicate numbers in Fig. 4, Fig. 5, have same or similar structure and function, do not repeat at this.
Elastic actuator of the present invention and comprise the dome body thin slice of this elastic actuator, button and keyboard, by arranging protruded stigma, excrescence or ring bodies on elastic actuator, and its top is higher than platform top, elastic actuator of the present invention is made to have the structure increasing peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and then improve the pressing feel of the button being provided with elastic actuator of the present invention.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (13)
1. an elastic actuator, is arranged between keycap and base plate, it is characterized in that this elastic actuator comprises:
Elastomer, has opening and top;
Platform, is formed on this top, and this platform has the first top;
Protruded stigma, to be formed on this platform and to should the center position at top, and this protruded stigma has the second top, and this second top is higher than this first top; And
Start post, to be formed in this elastomer and to extend towards this opening;
Wherein when this keycap of the top being placed in this elastic actuator moves to this base plate, this keycap contacts this second top in advance, and after this protruded stigma is first out of shape, this keycap again row touches this first top, makes this platform start distortion.
2. elastic actuator according to claim 1, is characterized in that: this elastomer also has breach, and this breach is formed at the outer of this opening and places.
3. elastic actuator according to claim 1, is characterized in that: this platform also has depression, and this protruded stigma is formed in this depression.
4. an elastic actuator, is arranged between keycap and base plate, it is characterized in that this elastic actuator comprises:
Elastomer, has opening and top;
Platform, is formed on this top, and this platform has the first top;
A plurality of excrescence, is formed on this first top, and symmetrically around this elastomeric center, and all have preset pitch between two adjacent excrescences, each excrescence has the second top respectively, and this plurality of second top is higher than this first top; And
Start post, to be formed in this elastomer and to extend towards this opening;
Wherein when this keycap of the top being placed in this elastic actuator moves to this base plate, this keycap contacts this plurality of second top in advance, and after this plurality of excrescence is first out of shape, this plurality of excrescence of distortion forces in this platform, makes this platform start distortion.
5. elastic actuator according to claim 4, is characterized in that: have a distance between each excrescence and this this center elastomeric, and this this top elastomeric has an external diameter, and this distance is less than the half of this external diameter.
6. elastic actuator according to claim 4, is characterized in that: this elastomer also has breach, and this breach is formed at the outer of this opening and places.
7. elastic actuator according to claim 4, is characterized in that: this platform also has depression.
8. an elastic actuator, is arranged between keycap and base plate, it is characterized in that this elastic actuator comprises:
Elastomer, has opening and top;
Platform, is formed on this top, and this platform has the first top;
Ring bodies, is formed on this platform, and the center of circle of this ring bodies is identical with the center at this top, and this ring bodies has the second top, and this second top is higher than this first top; And
Start post, to be formed in this elastomer and to extend towards this opening;
Wherein when this keycap of the top being placed in this elastic actuator moves to this base plate, this keycap contacts this second top in advance, and after this ring bodies is first out of shape, the ring bodies of this distortion forces in this platform, makes this platform start distortion.
9. elastic actuator according to claim 8, is characterized in that: this this top elastomeric has the first external diameter, and this ring bodies has the second external diameter, and this second external diameter is less than this first external diameter.
10. elastic actuator according to claim 8, is characterized in that: this elastomer also has breach, and this breach is formed at the outer of this opening and places.
11. 1 kinds of buttons, is characterized in that this button comprises:
Elastic actuator according to any one of claim 1 to 10;
Substrate;
Thin film switch, is arranged on the substrate;
Keycap; And
Bracing or strutting arrangement, be arranged between this substrate and this keycap, this bracing or strutting arrangement limits this keycap and moves between non-pressing position and pressing position;
Wherein this elastic actuator is arranged on this thin film switch, is used to trigger this thin film switch when this keycap is positioned at this pressing position, and this elastic actuator abuts to this keycap.
12. 1 kinds of dome body thin slices, are applicable to keyboard, it is characterized in that this dome body thin slice comprises:
Base material;
First elastic actuator, is formed on this base material; And
Second elastic actuator, is formed on this base material;
Wherein this first elastic actuator and this second elastic actuator are all the elastic actuator according to any one of claim 1 to 10, and overall dimensions are all identical, this first elastic actuator is caused to have identical engineering properties with this second elastic actuator.
13. 1 kinds of keyboards, is characterized in that this keyboard comprises:
Substrate;
First button, this first button comprises:
The first film switch, is arranged on this substrate;
First keycap;
First bracing or strutting arrangement, be arranged between this substrate and this first keycap, this first bracing or strutting arrangement limits this first keycap and moves between the first non-pressing position and the first pressing position; And
First elastic actuator, is arranged on this first film switch, and abuts to this first keycap, and this first elastic actuator is used to trigger this first film switch when this first keycap is positioned at this first pressing position; And
Second button, this second button comprises:
Second thin film switch, is arranged on this substrate;
Second keycap;
Second bracing or strutting arrangement, be arranged between this substrate and this second keycap, this second bracing or strutting arrangement limits this second keycap and moves between the second non-pressing position and the second pressing position; And
Second elastic actuator, is arranged on this second thin film switch, and abuts to this second keycap, and this second elastic actuator is used to trigger this second thin film switch when this second keycap is positioned at this second pressing position;
Wherein this first elastic actuator and this second elastic actuator are all the elastic actuator according to any one of claim 1 to 10, and overall dimensions are all identical, this first elastic actuator is caused to have identical engineering properties with this second elastic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310563200.3A CN103681056B (en) | 2013-11-14 | 2013-11-14 | Elastic actuator and comprise its dome body thin slice, button and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310563200.3A CN103681056B (en) | 2013-11-14 | 2013-11-14 | Elastic actuator and comprise its dome body thin slice, button and keyboard |
Publications (2)
| Publication Number | Publication Date |
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| CN103681056A CN103681056A (en) | 2014-03-26 |
| CN103681056B true CN103681056B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310563200.3A Active CN103681056B (en) | 2013-11-14 | 2013-11-14 | Elastic actuator and comprise its dome body thin slice, button and keyboard |
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| CN103681056A (en) | 2014-03-26 |
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