CN103681056A - Resilient actuator and dome sheet, keyswitch and keyboard with resilient actuator - Google Patents
Resilient actuator and dome sheet, keyswitch and keyboard with resilient actuator Download PDFInfo
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- CN103681056A CN103681056A CN201310563200.3A CN201310563200A CN103681056A CN 103681056 A CN103681056 A CN 103681056A CN 201310563200 A CN201310563200 A CN 201310563200A CN 103681056 A CN103681056 A CN 103681056A
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Abstract
The invention relates to a resilient actuator and a dome sheet, a keyswitch and a keyboard with the resilient actuator. In a preferred concrete embodiment, the resilient actuator contains an elastomer, a platform, a raised column and an actuation column. The platform is formed on the top of the elastomer and is provided with a first top end. The raised column is formed at the central position of the top of the elastomer and is equipped with a second top end. The second top end is higher than the first top end. The actuation column is formed in the elastomer. According to the resilient actuator and the dome sheet, the keyswitch and the keyboard with the resilient actuator, the resilient actuator is provided with the raised column, a raised body or a ring-like body, the top of which is higher than the top of the platform. Thus, the resilient actuator provided by the invention has a structure of increasing peak stroke. In comparison with the prior art, force-stroke characteristic and peak stroke are both raised, and then pressing handfeel of the keyswitch provided with the resilient actuator is improved.
Description
Technical field
The present invention is about a kind of elastic actuator (resilient actuator) and the dome body thin slice (dome sheet), button (keyswitch) and the keyboard (keyboard) that comprise this elastic actuator, and particularly about thering is the elastic actuator that allows peak value stroke (peak travel) increase, with erection & lift, have this elastic actuator button press feel.
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 a plurality of button 10.A plurality of buttons 10 are placed in pedestal 13 haply, and allow the keycap 14 of itself expose to pedestal 13, for user, press.
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 substrate 11, forms and assist the fixing structure of scissor bracing or strutting arrangement 16 on substrate 11.Keycap 14 is installed on scissor bracing or strutting arrangement 16.The vertical movement that scissor bracing or strutting arrangement 16 restriction keycaps 14 are done with respect to thin film switch 12, keycap 14 is in the not movement between pressing position and pressing position.
External force is applied on keycap 14 keycap 14 is moved towards thin film switch 12.The engineering properties of elastic actuator 18 affects the feel of pressing of button 10.Be applied to external force on keycap 14 along with stroke (being mainly the deflection of platform 188, elastomer 182) increases and increases, when external force reaches peak value control power (peak force), 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.Peak value stroke provides operator presses feel.
Summary of the invention
Therefore, dome body thin slice, button and keyboard that the technical problem that institute of the present invention wish solves is to provide a kind of elastic actuator and comprises this elastic actuator, and elastic actuator of the present invention has the structure that increases 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 is formed on this platform and to center position that should top, and this protruded stigma has the second top, and this second top is higher than this first top; Start post is formed in this elastomer and towards this opening and extends; Wherein, when this keycap of top that is placed in this elastic actuator is during to the motion of 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 protruded stigma is set on elastic actuator, and the top of protruded stigma is higher than the top of platform, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, then promoted be provided with elastic actuator of the present invention button press feel.
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 excrescences are formed on this first top, and symmetrically around this elastomeric center, between two adjacent excrescences, all have default spacing, and each excrescence has respectively the second top, and these a plurality of second tops are higher than this first top; Start post is formed in this elastomer and towards this opening and extends; Wherein, when this keycap of top that is placed in this elastic actuator is during to the motion of this base plate, this keycap contacts this plurality of the second tops in advance, and after these a plurality of excrescences are first out of shape, these a plurality of excrescences of distortion force in this platform, make this platform start distortion.
As optional technical scheme, between an excrescence and this elastomeric this center, there is a distance, this elastomeric this top has an external diameter, and this distance is less than 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 a plurality of excrescences are set on elastic actuator, and the top of a plurality of excrescences is higher than the top of platform, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, then promoted be provided with elastic actuator of the present invention button press feel.
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 at the Yu Gai top, the center of circle of this ring bodies is identical, and this ring bodies has the second top, and this second top is higher than this first top; Start post is formed in this elastomer and towards this opening and extends; Wherein, when this keycap of top that is placed in this elastic actuator is during to the motion of 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 elastomeric this top 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.
Resilient device of the present invention, by ring bodies is set on elastic actuator, and the top of ring bodies is higher than the top of platform, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, then promoted be provided with elastic actuator of the present invention button press feel.
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 this substrate; Bracing or strutting arrangement is arranged between this substrate and this keycap, and this bracing or strutting arrangement limits this keycap in not moving between pressing position and pressing position; Wherein this elastic actuator is arranged on this thin film switch, be used to trigger when this keycap is positioned at this pressing position this thin film switch, and this elastic actuator butt is to this keycap.
Button of the present invention, by protruded stigma, excrescence or ring bodies are set on elastic actuator, and its top is higher than platform top, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and have then promoted the feel of pressing 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.The first elastic actuator is formed on this base material; The 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 protruded stigma, excrescence or ring bodies are set on elastic actuator, and its top is higher than platform top, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, then promoted be provided with dome body thin slice of the present invention button press feel.
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 is arranged on this substrate; The 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 between pressing position and the first pressing position, do not move in first; The first elastic actuator is arranged on this first film switch, and butt is to this first keycap, and this first elastic actuator is used to trigger when this first keycap is positioned at this first pressing position this first film switch; This second button comprises the second thin film switch, the second keycap, the second bracing or strutting arrangement and the second elastic actuator.The second thin film switch is arranged on this substrate; The 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 between pressing position and the second pressing position, do not move in second; The second elastic actuator is arranged on this second thin film switch, and butt is to this second keycap, and this second elastic actuator is used to trigger when this second keycap is positioned at this second pressing position this second thin film switch; 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 protruded stigma, excrescence or ring bodies are set on elastic actuator, and its top is higher than platform top, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, and have then promoted the feel of pressing of keyboard of the present invention.
Below in conjunction with the drawings and specific embodiments, describe the present invention, 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 in not being subject to the elastic actuator of pressed by external force state along the cross section view of A-A hatching;
Fig. 3 B be Fig. 2 in being subject to the elastic actuator of 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 that the elastic actuator of Fig. 4 is along the cross section view of B-B hatching;
Fig. 6 is the external view of the elastic actuator of the 3rd preferred embodiment of the present invention;
Fig. 7 is that the elastic actuator of Fig. 6 is along the cross section view of C-C hatching;
Fig. 8 is the external view of the elastic actuator of the 4th preferred embodiment of the present invention;
Fig. 9 is that the elastic actuator of Fig. 8 is along the cross section view of D-D hatching;
Figure 10 is the elastic actuator of the first preferred embodiment of the present invention and external force-stroke characteristic schematic diagram of the elastic actuator contrasting;
Figure 11 is the elastic actuator of the 3rd preferred embodiment of the present invention and external force-stroke characteristic schematic diagram of the elastic actuator contrasting;
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 is that the elastic actuator 2 of Fig. 2 is not when being subject to pressed by external force state, along the cross section view of A-A hatching.Fig. 3 B is that the elastic actuator 2 of Fig. 2 is when being subject to 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 and start post 26 can be one-body molded to make elastic actuator 2.In Fig. 3 A, Fig. 3 B, between each member 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 corresponding to the center position at the top 204 of elastomer 20, and protruded stigma 24 has the second top 242.Especially, the position in the second 242 space, top 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 being placed in the keycap 29 of the top of elastic actuator 2 of the present invention and moved to base plate by pressed by external force, keycap 29 contacts 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, elastic actuator 2 its peak value strokes of the first preferred embodiment of the present invention obviously increase.
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 elastomer 20 distortion, 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 that the elastic actuator 3 of Fig. 4 is along the cross section view of B-B hatching.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 and start post 36 can be one-body molded to make elastic actuator 3.In Fig. 5, between each member 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 the 322, second opening 324 and the first top 326.A plurality of excrescences 34 are formed on the first top 326, and symmetrically around elastomer 30 center.Any two 34 of immediate excrescences all have identical default spacing.Each excrescence 34 has respectively the second top 342.Because these a plurality of excrescences 34 are formed on the first top 326, so the position in these 342 spaces, the second top is inevitable higher than the first top 326.Start post 36 is formed in elastomer 30, and extends towards the first opening 302.When being placed in the keycap of top of the elastic actuator 3 of the second preferred embodiment of the present invention and moving to base plate, keycap contacts these the second tops 342 in advance, these a plurality of excrescences 34 are first out of shape, the strength that puts on the first top 326 when the excrescence 34 being out of shape surpasses after a default value, then makes platform 32 start distortion.By this, compare with the elastic actuator of prior art, elastic actuator 3 its peak value strokes of the second preferred embodiment of the present invention obviously increase.
In a specific embodiment, as shown in Figure 5, between each excrescence 34 and elastomer 30 center, have apart from r1, the top 304 of elastomer 30 has outside diameter d 1, and this is less than this outside diameter d 1 half apart from r1.
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 that the elastic actuator 4 of Fig. 6 is along the cross section view of C-C hatching.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 and start post 46 can be one-body molded to make elastic actuator 4.In Fig. 7, between each member 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 the second 442 space, top.Start post 46 is formed in elastomer 40, and extends towards opening 402.When being placed in the keycap of top of the elastic actuator 4 of the 3rd preferred embodiment of the present invention and moving to base plate, this keycap contacts the second top 442 in advance, ring bodies 44 is first out of shape, when the ring bodies 44 being out of shape puts on the first top 426 strength, surpass after a default value, then make platform 42 start distortion.By this, compare with the elastic actuator of prior art, elastic actuator 4 its peak value strokes of the 3rd preferred embodiment of the present invention obviously increase.
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, elastic actuator 4 its elastomers 40 of the 3rd preferred embodiment of the present invention also have 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 for schematically illustrating the elastic actuator 5 of the 4th preferred embodiment of the present invention with external view.Fig. 9 is that the elastic actuator 5 of Fig. 8 is along the cross section view of D-D hatching.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 shown in Fig. 8 and Fig. 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 and start post 56 can be one-body molded to make elastic actuator 2.In Fig. 9, between each member of elastic actuator 5, structure, illustrate dotted line to separate.
In a specific embodiment, as shown in Figure 9, between a plurality of excrescences 54 and elastomer 50 center, have apart from r2.The top 504 of elastomer 50 has outside diameter d 4, and this is less than this outside diameter d 4 half apart from r2.
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.
Referring to 10, Figure 10 is that the elastic actuator 2 (comprising protruded stigma 24) of the first preferred embodiment in Fig. 2 of the present invention is compared to external force-stroke characteristic schematic diagram of Figure 1B prior art elastic actuator 10 (not comprising protruded stigma 24).By Figure 10, can be confirmed, when keycap is pressed while being arranged in 0～0.2mm stroke, only have protruded stigma 24 distortion, and elastomer 20 not yet starts distortion, so this section of stroke slope be less.When keycap is pressed while being arranged in 0.2mm～0.7mm stroke, elastomer 20 starts distortion but not yet arrives the collapse point of elastomer 20, so this section of stroke slope is larger.Elastic actuator 2 its peak value stroke PT2 so with protruded stigma 24 are obviously greater than the peak value stroke PT1 without the corresponding elastic actuator of 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, the external force-stroke characteristic schematic diagram compared to the elastic actuator 10 (not comprising ring bodies 44) of prior art in Figure 1B under practical operation.By Figure 11, can be confirmed, adopt similar concept, above elastomer 40, be additionally connected in series compared with soft elastomer (ring bodies 44), elastic actuator 4 its peak value stroke PT4 so with ring bodies 44 are obviously greater than the peak value stroke PT3 without the corresponding elastic actuator of ring bodies 24.
Refer to Figure 12.Figure 12 is for schematically illustrating the button 6 of 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 being 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, the elastic actuator 4 being illustrated in Figure 12 is usingd the elastic actuator 3 shown in Fig. 4, Fig. 5 as representative, but not as limit.
Refer to Figure 13, Figure 13 is for schematically illustrating the dome body thin slice 7 of 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, the first elastic actuator 3a and the second elastic actuator 3b.The first elastic actuator 3a and the second elastic actuator 3b are all formed on base material 70.Especially, the first elastic actuator 3a and the second elastic actuator 3b one of are all in the elastic actuator of various preferred embodiment of the present invention, are in the elastic actuator as shown in Fig. 2 to Fig. 9 arbitrary.For convenience of explanation, the first elastic actuator 3a being illustrated in Figure 13 is identical with the elastic actuator 3 shown in the second elastic actuator 3b and Fig. 4, Fig. 5, but not as limit.And 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 there is identical engineering properties with the second elastic actuator 3b, namely there is identical external force-stroke characteristic, peak value stroke.In Figure 13, have with Fig. 4, Fig. 5 in the assembly of duplicate numbers mark, have same or similar structure and function, at this, do not repeat.
Refer to Figure 14.Figure 14 is for schematically illustrating the keyboard 8 of 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, the 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.
The 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.The first bracing or strutting arrangement 66a is arranged between substrate 60 and the first keycap 64a.The first bracing or strutting arrangement 66a limits the first keycap 64a and between pressing position and the first pressing position, does not move in first.It is upper that the first elastic actuator 2a is arranged at the first film switch 62a, and butt to the first keycap 64a.
The 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.The second thin film switch 62b is arranged on substrate 60.The second bracing or strutting arrangement 66b is arranged between substrate 60 and the second keycap 64b.The second bracing or strutting arrangement 66b limits the second keycap 64b and between pressing position and the second pressing position, does not move in second.It is upper that the second elastic actuator 2b is arranged at the second thin film switch 62b, and butt to the second keycap 64b.Especially, the first elastic actuator 3a and the second elastic actuator 3b one of are all in the elastic actuator of various preferred embodiment of the present invention, are in the elastic actuator as shown in Fig. 2 to Fig. 9 arbitrary.For convenience of explanation, the first elastic actuator 3a being illustrated in Figure 14 is identical with the elastic actuator 3 shown in the second elastic actuator 3b and Fig. 4, Fig. 5, but not as limit.And 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 there is identical engineering properties with the second elastic actuator 3b, namely there is identical external force-stroke characteristic, peak value stroke.By this, button 6a has the identical feel of pressing with button 6b, and all obviously promotes it and press feel.In Figure 14, have with Fig. 4, Fig. 5 in the assembly of duplicate numbers mark, have same or similar structure and function, at this, do not repeat.
Elastic actuator of the present invention and the dome body thin slice, button and the keyboard that comprise this elastic actuator, by protruded stigma, excrescence or ring bodies are set on elastic actuator, and its top is higher than platform top, make elastic actuator of the present invention there is the structure that increases peak value stroke, compare prior art, external force-stroke characteristic and peak value stroke are improved, then promoted be provided with elastic actuator of the present invention button press feel.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of 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, is formed on this platform and to center position that should top, and this protruded stigma has the second top, and this second top is higher than this first top; And
Start post, is formed in this elastomer and towards this opening and extends;
Wherein, when this keycap of top that is placed in this elastic actuator is during to the motion of 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, it 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 excrescences, are formed on this first top, and symmetrically around this elastomeric center, between two adjacent excrescences, all have default spacing, and each excrescence has respectively the second top, and these a plurality of second tops are higher than this first top; And
Start post, is formed in this elastomer and towards this opening and extends;
Wherein, when this keycap of top that is placed in this elastic actuator is during to the motion of this base plate, this keycap contacts this plurality of the second tops in advance, and after these a plurality of excrescences are first out of shape, these a plurality of excrescences of distortion force in this platform, make this platform start distortion.
5. elastic actuator according to claim 4, is characterized in that: between each excrescence and this elastomeric this center, have a distance, this elastomeric this top has an external diameter, and this distance is less than 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. resilient device 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 at the Yu Gai top, the center of circle of this ring bodies is identical, and this ring bodies has the second top, and this second top is higher than this first top; And
Start post, is formed in this elastomer and towards this opening and extends;
Wherein, when this keycap of top that is placed in this elastic actuator is during to the motion of 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 elastomeric this top 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 as described in any one in claim 1 to 10;
Substrate;
Thin film switch, is arranged on this substrate;
Keycap; And
Bracing or strutting arrangement, is arranged between this substrate and this keycap, and this bracing or strutting arrangement limits this keycap in not moving between pressing position and pressing position;
Wherein this elastic actuator is arranged on this thin film switch, be used to trigger when this keycap is positioned at this pressing position this thin film switch, and this elastic actuator butt is 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;
The first elastic actuator, is formed on this base material; And
The second elastic actuator, is formed on this base material;
Wherein this first elastic actuator and this second elastic actuator are all the elastic actuator as described in any one in claim 1 to 10, and overall dimensions are all identical, cause this first elastic actuator to there is identical engineering properties with this second elastic actuator.
13. 1 kinds of keyboards, is characterized in that this keyboard comprises:
Substrate;
The first button, this first button comprises:
The first film switch, is arranged on this substrate;
The first keycap;
The 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 between pressing position and the first pressing position, do not move in first; And
The first elastic actuator, is arranged on this first film switch, and butt is to this first keycap, and this first elastic actuator is used to trigger when this first keycap is positioned at this first pressing position this first film switch; And
The second button, this second button comprises:
The second thin film switch, is arranged on this substrate;
The second keycap;
The 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 between pressing position and the second pressing position, do not move in second; And
The second elastic actuator, is arranged on this second thin film switch, and butt is to this second keycap, and this second elastic actuator is used to trigger when this second keycap is positioned at this second pressing position this second thin film switch;
Wherein this first elastic actuator and this second elastic actuator are all the elastic actuator as described in any one in claim 1 to 10, and overall dimensions are all identical, cause this first elastic actuator to there is identical engineering properties with this second elastic actuator.
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| CN201310563200.3A CN103681056B (en) | 2013-11-14 | 2013-11-14 | Elastic actuator and comprise its dome body thin slice, button and keyboard |
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| CN201310563200.3A CN103681056B (en) | 2013-11-14 | 2013-11-14 | Elastic actuator and comprise its dome body thin slice, button and keyboard |
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| CN103681056B CN103681056B (en) | 2016-01-27 |
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