CN103165325B - Keyboard - Google Patents
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- CN103165325B CN103165325B CN201310073451.3A CN201310073451A CN103165325B CN 103165325 B CN103165325 B CN 103165325B CN 201310073451 A CN201310073451 A CN 201310073451A CN 103165325 B CN103165325 B CN 103165325B
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- top cover
- strutting piece
- arm
- base plate
- rotation axis
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Abstract
The present invention is about a kind of keyboard, and this keyboard comprises base plate and a plurality of button.At least one of them button comprises top cover, the first strutting piece, seesaw member, and attraction part.This first strutting piece is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this first strutting piece, this top cover can move between non-pressing position and pressing position relative to this base plate, and this first strutting piece rotates around the first rotation axis on this base plate.This seesaw member has pressing arm, attraction arm, and fulcrum, this pressing arm support to arrive in movably this top cover and this first strutting piece at least one of them, this fulcrum is connected between this pressing arm and this attraction arm, and this fulcrum is connected on this base plate rotationally, this seesaw member is rotated on this base plate around the second rotation axis.This attraction part is arranged at this base plate to should on the position of attraction arm.The present invention is beneficial to keyboard thinning.
Description
Technical field
The present invention, about a kind of keyboard, espespecially a kind ofly utilizes magnetic attraction between seesaw member and base plate using the keyboard of the actuating force needed for resetting as top cover.
Background technology
With regard to the use habit of current PC, keyboard is one of indispensable input equipment, in order to input characters, symbol or numeral.Moreover, the large-sized processing equipment that the consumption electronic products of everyday life contact such as or industrial quarters use, all needs to be provided with press-key structure as input unit, to operate above-mentioned electronic product and process equipment.
Refer to Fig. 1, it is the generalized section of the button 1 of prior art.As shown in Figure 1, button 1 comprises base plate 10, keycap 12, circuit board 14, bracing or strutting arrangement 16 and elastic component 18.Circuit board 14 is arranged on base plate 10.Bracing or strutting arrangement 16 is arranged between keycap 12 and base plate 10, in order to support keycap 12.Elastic component 18 is also arranged between keycap 12 and base plate 10, and after keycap 12 is pressed by user, elastic component 18 provides keycap 12 elastic-restoring force, the position before making keycap 12 can return back to pressing.
But the scissor mechanism design adopted due to bracing or strutting arrangement 16 can cause the height space that its needs are larger, thus further increases the whole height of button 1, is therefore unfavorable for the application of keyboard slimming.In addition, elastic component 18 often rubber is made, and rubber has fatigue conditions under Long-Time Service, and then the useful life of button 1 is shortened.
Summary of the invention
An object of the present invention is to provide a kind of and utilizes the magnetic attraction between seesaw member and base plate using the keyboard of the actuating force needed for resetting as top cover, to solve the above problems.
According to an embodiment, keyboard of the present invention comprises base plate and a plurality of button.This plurality of button is arranged on this base plate, and at least one of them button of this plurality of button comprises top cover, the first strutting piece, seesaw member, and attraction part.This first strutting piece is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this first strutting piece, this top cover can move between non-pressing position and pressing position relative to this base plate, and this first strutting piece rotates around the first rotation axis on this base plate.This seesaw member has pressing arm, attraction arm, and fulcrum, this pressing arm support to arrive in movably this top cover and this first strutting piece at least one of them, this fulcrum is connected between this pressing arm and this attraction arm, and this fulcrum is connected on this base plate rotationally, this seesaw member is rotated on this base plate around the second rotation axis.This attraction part is arranged at this base plate to should on the position of attraction arm.When this top cover by pressed by external force and this external force enough overcomes the magnetic attraction between this attraction part and this attraction arm time, this pressing arm is with this fulcrum for fulcrum tilts relative to this base plate to drive this attraction arm, and this top cover moves to this pressing position with the rotation of this first strutting piece by this non-pressing position.When this external force discharges, this magnetic attraction between this attraction part and this attraction arm drives this attraction arm with this fulcrum for fulcrum, to adsorb this attraction part, this pressing arm is tilted relative to this base plate, move back to this non-pressing position with the rotation of this first strutting piece by this pressing position to make this top cover.
In sum, keyboard provided by the present invention can omit the configuration of scissor mechanism in known button and elastic component, thus effectively reduce the space taken needed for button entirety, in order to the application of follow-up keyboard slimming, and effectively extend the useful life of button.
Can be further understood by following execution mode and accompanying drawing about the advantages and spirit of the present invention.
Accompanying drawing explanation
Fig. 1 is the generalized section of the button of prior art.
Fig. 2 is the stereogram of keyboard proposed according to a first embodiment of the present invention.
Fig. 3 is the part explosive view of the keyboard of Fig. 2.
Fig. 4 is the assembly drawing that the button of Fig. 2 is installed on base plate.
Fig. 5 is the generalized section of button along A-A hatching of Fig. 2.
Fig. 6 is the generalized section of button along B-B hatching of Fig. 2.
Fig. 7 is the generalized section of the top cover of Fig. 6 when being pressed.
The part explosive view that Fig. 8 is keyboard proposed according to a second embodiment of the present invention.
Fig. 9 is the assembly drawing that the button of Fig. 8 is installed on base plate.
Figure 10 is the generalized section of button along C-C hatching of Fig. 9.
The part explosive view that Figure 11 is keyboard proposed according to a third embodiment of the present invention.
Figure 12 is the assembly drawing that the button of Figure 11 is installed on base plate.
Figure 13 is the generalized section of button along D-D hatching of Figure 12.
The part explosive view that Figure 14 is keyboard proposed according to a fourth embodiment of the present invention.
Figure 15 is the assembly drawing that the button of Figure 14 is installed on base plate.
Figure 16 is the generalized section of button along E-E hatching of Figure 15.
The button that Figure 17 is keyboard proposed according to a fifth embodiment of the present invention is installed on the assembly drawing on base plate.
Embodiment
Refer to Fig. 2, it is the stereogram of keyboard 100 proposed according to a first embodiment of the present invention.As shown in Figure 2, keyboard 100 comprises a plurality of button 102 and base plate 104, and button 102 is arranged on base plate 102.Button 102 with for user pressing, and then perform user institute for input function.Keyboard 100 preferably for being generally applied to the keyboard of PC, but is not limit by this.For example, keyboard 100 also can be applicable to generally have (such as notebook computer or Foldable keyboard) on the portable electronic devices of the open-and-close mechanism be made up of upper cover and lower house.
The proposed by the invention magnetic force that utilizes can be applicable at least on one of them of a plurality of button 102 with the design driving button and reset, its quantity is depending on the practical application of keyboard 100, for asking simplified illustration, the button 102 having magnetic drive reset design for one of them is below described, adopt the structural design of the button 102 of same design as other, it can be by that analogy.Refer to Fig. 3, Fig. 4, Fig. 5, and Fig. 6, Fig. 3 is the part explosive view of the keyboard 100 of Fig. 2, Fig. 4 is the assembly drawing that the button 102 of Fig. 2 is installed on base plate 104, Fig. 5 is the generalized section of button 102 along A-A hatching of Fig. 2, Fig. 6 is the generalized section of button 102 along B-B hatching of Fig. 2, for asking the structural design knowing display button 102, omits the drafting of top cover 106 in Fig. 4.From Fig. 3 and Fig. 4, button 102 comprises top cover 106, first strutting piece 108, second strutting piece 110, seesaw member 112, and magnetic conductive material part 114.First strutting piece 108 is connected to top cover 106 rotationally and is connected to base plate 104 rotationally and rotates around a rotation axis S1 on base plate 104, and the second strutting piece 110 is connected to top cover 106 rotationally and is connected to base plate 104 rotationally and rotates around a rotation axis S2 on base plate 104.
Be described in this structural design for top cover 106 and the first strutting piece 108 and the second strutting piece 110, top cover 106 has the first draw-in groove 116 and the second draw-in groove 118, and base plate 104 has the first chute 120 and the second chute 122, first strutting piece 108 has the first drive-connecting shaft 124 and the first connecting axle 126, second strutting piece 110 has the second drive-connecting shaft 128 and the second connecting axle 130, when assembling first strutting piece 108 and the second strutting piece 110, first connecting axle 126 and the second connecting axle 130 are arranged in the first chute 120 and the second chute 122 respectively movably, first drive-connecting shaft 124 and the second drive-connecting shaft 128 are articulated in the first draw-in groove 116 and the second draw-in groove 118 respectively.Thus, through the design of above-mentioned anatomical connectivity, top cover 106 can move by opposed bottom 104 with the rotation of the first strutting piece 108 and the second strutting piece 110 between non-pressing position and pressing position.In addition, base plate 104 separately can have spacing cantilever portion 132, first strutting piece 108 and have guide vane end stop 134 on the position of the spacing cantilever portion 132 of correspondence, and spacing cantilever portion 132 is used for backstop guide vane end stop 134, uses the height of restriction top cover 106 opposed bottom 104.
From Fig. 3 and Fig. 4, seesaw member 112 has pressing arm 136, magnetic conductive material arm 138, and fulcrum 140, in this embodiment, pressing arm 136 supports to arrive in the first strutting piece 108 and the second strutting piece 110 movably, in more detail, pressing arm 136 can have first and support to arrive in end 142 and second and support to arrive in end 144, first supports to arrive in end 142 supports to arrive in the first drive-connecting shaft 124 of the first strutting piece 108 and is not directly connected in top cover 106, and second supports to arrive in end 144 supports to arrive in the second drive-connecting shaft 128 of the second strutting piece 110 and is not directly connected in top cover 106.Fulcrum 140 is connected between pressing arm 136 and magnetic conductive material arm 138, and fulcrum 140 is connected to rotationally on base plate 104 and rotates around a rotation axis S3 on base plate 104, use and press arm 136 and magnetic conductive material arm 138 forms seesaw mechanism jointly, wherein press arm 136, fulcrum 140, and magnetic conductive material arm 138 forms in fact T font structure to make pressing arm 136 between the first strutting piece 108 and the second strutting piece 110, and the rotation axis S1 of the first strutting piece 108 is parallel with the rotation axis S2 essence of the second strutting piece 110, and the rotation axis S1 of the rotation axis S3 essence of seesaw member 112 perpendicular to the first strutting piece 108 and rotation axis S2 of the second strutting piece 110, thus the arrangement (as shown in Figure 4) that jointly takes the shape of the letter U on base plate 104.
In addition, magnetic conductive material part 114 is arranged on the position of the corresponding magnetic conductive material arm 138 of base plate 104, in this embodiment, magnetic conductive material part 114 can be preferably magnet, and magnetic conductive material arm 138 is then can be magnet or magnetic material (such as, iron or other metal), but do not limit by this, in another embodiment, magnetic conductive material part 114 also can change magnetic material into (such as, iron or other metal), magnetic conductive material arm 138 is then can be magnet.In actual applications, base plate 104 can have storage perforate 146 in the position of corresponding magnetic conductive material arm 138, and magnetic conductive material part 114 can be arranged in storage perforate 146 to reduce the whole height of keyboard 100.
As for the triggering design aspect at button 102, in this embodiment, as shown in figs.5 and 6, keyboard 100 also can comprise the circuit board 148 be arranged on base plate 104, circuit board 148 is preferably film circuit board (membrane) and has switch 150, such as thin film switch (membrane switch) or other triggering switch, pressing arm 136 is then be formed with salient point 152 on the position to inductive switch 150.By this, when top cover 106 moves to pressing position, salient point 152 can trigger switch 150, to perform corresponding input function.In actual applications, pressing arm 136 can be made up of magnetic conductive material, magnetic conductive material part 114 can extend to partly overlap with pressing arm 136 towards pressing arm 136, by this, when top cover 106 by pressed by external force cause pressing arm 136 and magnetic conductive material part 114 close to time, along with top cover 106 moves down, magnetic distance between pressing arm 136 and magnetic conductive material part 114 also can reduce thereupon, according to the physical characteristic that magnetic force and square distance are inversely proportional to, pressing arm 136 and the magnetic attraction of magnetic conductive material part 114 will strengthen rapidly and drive and press arm 136 and accelerate to decline, use and make top cover 106 accelerate to move to pressing position, thus good key press feel is provided.
In addition, as shown in Figure 6, keyboard 100 also can comprise light guide plate 154 and at least one luminescence unit 156 (shows one in Fig. 6, but do not limit by this), light guide plate 154 is arranged at base plate 104 times, luminescence unit 156 can be preferably light-emittingdiode (Light Emitting Diode, LED) side of light guide plate 154 is arranged at, be used for emission of light to project towards top cover 106 via light guide plate 154, as in the bright dipping design of keyboard 100, base plate 104 under button 102 can have a plurality of printing opacity perforate (not shown) accordingly, by this, the light that luminescence unit 156 is launched can project towards top cover 106 through above-mentioned printing opacity perforate via light guide plate 154, thus make keyboard 100 have key light emitting function.In addition, in actual applications, keyboard 100 can also comprise magnetic conductive board 158, and magnetic conductive board 158 is arranged at other circuit (circuit of such as notebook computer) that base plate can reduce for 104 times below magnetic conductive material part 114 pairs of base plates 104 and impacts.
Through above-mentioned configuration, as shown in Fig. 4, Fig. 6 and Fig. 7, Fig. 7 is the generalized section of the top cover 106 of Fig. 6 when being pressed.When top cover 106 is not pressed, magnetic conductive material part 114 inhales position, border magnetic conductive material arm 138, that is, magnetic attraction between magnetic conductive material part 114 and magnetic conductive material arm 138 can make seesaw member 112 with fulcrum 140 for fulcrum, and make pressing arm 136 tilt (as shown in Figure 4) relative to base plate 104, utilize first to support to arrive in end 142 and second to make pressing arm 136 and support to arrive in end 144 and upwards prop up the first strutting piece 108 and the second strutting piece 110 and support top cover 106 and be maintained at non-pressing position as shown in Figure 6.When top cover 106 is by pressed by external force, and this external force is when enough overcoming the magnetic attraction between magnetic conductive material part 114 and magnetic conductive material arm 138, top cover 106 presses down the first strutting piece 108 and the second strutting piece 110 and supports to arrive in end 142 and second via first and supports to arrive in end 144 and abut pressing arm 136 downwards, use and make seesaw member 112 with fulcrum 140 for fulcrum, tilt relative to base plate 104 to drive magnetic conductive material arm 138, and top cover 106 moves to pressing position as shown in Figure 7 to make the switch 150 of the salient point 152 circuits for triggering plate 148 of pressing arm 136 by non-pressing position as shown in Figure 6, to perform corresponding input function.
Now, due to can magnetic attraction be produced between magnetic conductive material part 114 and magnetic conductive material arm 138, therefore, when user no longer presses top cover 106, magnetic attraction between magnetic conductive material part 114 and magnetic conductive material arm 138 can attract magnetic conductive material arm 138, use and drive seesaw member 112 with fulcrum 140 for fulcrum, to get back to position as shown in Figure 6 from position as shown in Figure 7 to drive magnetic conductive material arm 138 and again adsorb by magnetic conductive material part 114, in the process, pressing arm 136 first can force in the first strutting piece 108 and the second strutting piece 110, again by the first strutting piece 108 and the second strutting piece 110 interlock top cover 106, thus make top cover 106 automatically return to non-pressing position as shown in Figure 6 from pressing position as shown in Figure 7, use reach button 102 can the object of self-return.
It is worth mentioning that, seesaw member and supporting to arrive between top cover, the first strutting piece and the second strutting piece design the design that the seesaw member that can be not limited to described in the first embodiment supports to arrive in the first strutting piece and the second strutting piece, its also can change adopt seesaw member be movably connected simultaneously top cover, the first strutting piece and the second strutting piece, only support to arrive in top cover and be not directly connected in the first strutting piece and the second strutting piece, or the two ends of seesaw member support to arrive in the design of the first strutting piece (or second strutting piece) and top cover respectively.For example, refer to Fig. 8, Fig. 9 and Figure 10, Fig. 8 is the part explosive view of a keyboard 200 proposed according to a second embodiment of the present invention, Fig. 9 is the assembly drawing that a button 202 of Fig. 8 is installed on base plate 104, Figure 10 is the generalized section of button 202 along C-C hatching of Fig. 9, for asking the structural design knowing display button 202, top cover 106 is show it with dotted line in Fig. 9, element described in second embodiment and the identical person of element number described in the first embodiment, represent that it has similar function or opposed configuration, repeat no more in this.As shown in Figure 8, keyboard 200 comprises base plate 104, circuit board 148, light guide plate 154, magnetic conductive board 158, and button 202, and button 202 comprises top cover 106, first strutting piece 108, second strutting piece 110, magnetic conductive material part 114, and seesaw member 204.
From Fig. 8 and Fig. 9, seesaw member 204 has pressing arm 206, magnetic conductive material arm 208, and fulcrum 210, in this embodiment, pressing arm 206 supports to arrive in top cover 106 movably, in more detail, pressing arm 206 can have first and support to arrive in end 212 and second and support to arrive in end 214, first supports to arrive in end 212 between top cover 106 and the first strutting piece 108 to support to arrive in top cover 106 and not to be connected to the first strutting piece 108, second supports to arrive in end 214 between top cover 106 and the second strutting piece 110 to support to arrive in top cover 106 and not to be connected to the second strutting piece 110.Fulcrum 210 is connected between pressing arm 206 and magnetic conductive material arm 208, and fulcrum 210 is connected on base plate 104 rotationally, use and press arm 206 and magnetic conductive material arm 208 forms seesaw mechanism jointly, wherein press arm 206, fulcrum 210, and magnetic conductive material arm 208 forms in fact T font structure to make pressing arm 206 between the first strutting piece 108 and the second strutting piece 110.In actual applications, pressing arm 206 can be made up of magnetic conductive material, magnetic conductive material part 114 can extend to partly overlap with pressing arm 206 towards pressing arm 206, by this, when top cover 106 by pressed by external force cause pressing arm 206 and magnetic conductive material part 114 close to time, along with top cover 106 moves down, magnetic distance between pressing arm 206 and magnetic conductive material part 114 also can reduce thereupon, according to the physical characteristic that magnetic force and square distance are inversely proportional to, pressing arm 206 and the magnetic attraction of magnetic conductive material part 114 will strengthen rapidly and drive and press arm 206 and accelerate to decline, use and make top cover 106 accelerate to move to pressing position, thus good key press feel is provided.
Through above-mentioned configuration, from Fig. 9 and Figure 10, when top cover 106 is by pressed by external force, and this external force is when enough overcoming the magnetic attraction between magnetic conductive material part 114 and magnetic conductive material arm 208, top cover 106 directly will press down pressing arm 206, use and make seesaw member 204 with fulcrum 210 for fulcrum, tilt (as shown in Figure 10) relative to base plate 104 to drive magnetic conductive material arm 208, and along with the downward pressing of top cover 106, pressing arm 206 will utilize first to support to arrive in end 212 and second and support to arrive in end 214 and press down the first strutting piece 108 respectively and the second strutting piece 110 rotates, make the pressing position that top cover 106 can move to as shown in Figure 10 with the rotation of the first strutting piece 108 and the second strutting piece 110, to make the switch 150 of the salient point 216 circuits for triggering plate 148 of pressing arm 206, to perform corresponding input function, on the other hand, when external force is released, to make top cover 106 self-return, in the process, pressing arm 136 can first force in top cover 106, then by top cover 106 interlock first strutting piece 108 and the second strutting piece 110, thus makes top cover 106 automatically return to non-pressing position as shown in Figure 9.As for other related description of button 202, it is can refer to the first embodiment to analogize, and repeats no more in this.
Then, refer to Figure 11, Figure 12 and Figure 13, Figure 11 is the part explosive view of a keyboard 300 proposed according to a third embodiment of the present invention, Figure 12 is the assembly drawing that a button 302 of Figure 11 is installed on base plate 104, Figure 13 is the generalized section of button 302 along D-D hatching of Figure 12, for asking the structural design knowing display button 302, top cover 106 shows it with dotted line in Figure 12, element described in 3rd embodiment and the identical person of element number described in the first embodiment, represent that it has similar function or opposed configuration, repeat no more in this.As shown in Figure 11, keyboard 300 comprises base plate 104, circuit board 148, light guide plate 154, magnetic conductive board 158, and button 302, button 302 comprises top cover 106, first strutting piece 108, second strutting piece 110, magnetic conductive material part 114, and seesaw member 304.
From Figure 11 and Figure 12, seesaw member 304 has pressing arm 306, magnetic conductive material arm 308, and fulcrum 310, in this embodiment, pressing arm 306 supports to arrive in top cover 106 movably, and in more detail, pressing arm 306 can have first and support to arrive in end 312 and second and support to arrive in end 314, first supports to arrive in end 312 is positioned to support to arrive in top cover 106 outside the first strutting piece 108, and second supports to arrive in end 314 is positioned at outside the second strutting piece 110 to support to arrive in top cover 106.Fulcrum 310 is connected between pressing arm 306 and magnetic conductive material arm 308, and fulcrum 310 is connected on base plate 104 rotationally, use and press arm 306 and magnetic conductive material arm 308 forms seesaw mechanism jointly, wherein pressing arm 306, fulcrum 310, and magnetic conductive material arm 308 forms in fact U-shaped structure and is positioned at outside the first strutting piece 108 and the second strutting piece 110 to make pressing arm 206.In actual applications, first supports to arrive in end 312 can be made up of magnetic conductive material, magnetic conductive material part 114 can support to arrive in end 314 towards first and extend to support to arrive in end 312 partly overlap with first, by this, when top cover 106 by pressed by external force cause pressing arm 306 and magnetic conductive material part 114 close to time, along with top cover 106 moves down, magnetic distance between pressing arm 306 and magnetic conductive material part 114 also can reduce thereupon, according to the physical characteristic that magnetic force and square distance are inversely proportional to, pressing arm 306 and the magnetic attraction of magnetic conductive material part 114 will strengthen rapidly and drive and press arm 306 and accelerate to decline, use and make top cover 106 accelerate to move to pressing position, thus good key press feel is provided.Above-mentioned design also similarly can be applied to second and support to arrive on end 314, and its associated description can be analogized according to the above description, repeats no more in this.
Through above-mentioned configuration, from Figure 12 and Figure 13, when top cover 106 is by pressed by external force, and this external force is when enough overcoming the magnetic attraction between magnetic conductive material part 114 and magnetic conductive material arm 308, top cover 106 directly will press down first of pressing arm 306 and support to arrive in end 312 and second and support to arrive in end 314, use and make seesaw member 304 with fulcrum 310 for fulcrum, tilt (as shown in figure 13) relative to base plate 104 to drive magnetic conductive material arm 308, and along with the downward pressing of top cover 106, first strutting piece 108 and the second strutting piece 110 also can directly be pressed down by top cover 106 and rotate, make top cover 106 can move to pressing position as shown in fig. 13 that with the rotation of the first strutting piece 108 and the second strutting piece 110, the switch 150 that end 312 and second supports to arrive in the salient point 316 circuits for triggering plate 148 on end 314 is supported to arrive in make being positioned at first of pressing arm 306, to perform corresponding input function.As for other related description of button 302, it is can refer to the first embodiment to analogize, and repeats no more in this.
The U-shaped that the rotation axis arrangement design of above-mentioned seesaw member and the first strutting piece and the second strutting piece can be not limited to described in the first embodiment to the 3rd embodiment arranges, it also can change the arrangement adopting and be parallel to each other, for example, refer to Figure 14, Figure 15 and Figure 16, Figure 14 is the part explosive view of a keyboard 400 proposed according to a fourth embodiment of the present invention, Figure 15 is the assembly drawing that a button 402 of Figure 14 is installed on base plate 104, Figure 16 is the generalized section of button 402 along E-E hatching of Figure 15, for asking the structural design knowing display button 402, top cover 106 shows it with dotted line in Figure 15, element described in 4th embodiment and the identical person of element number described in the first embodiment, represent that it has similar function or opposed configuration, repeat no more in this.As shown in Figure 14, keyboard 400 comprises base plate 104, circuit board 148, light guide plate 154, magnetic conductive board 158, and button 402, button 402 comprises top cover 106, first strutting piece 108, second strutting piece 110, magnetic conductive material part 114, and seesaw member 404, wherein the first strutting piece 108 and the second strutting piece 110 are connected to top cover 106 rotationally and are connected to base plate 104 rotationally and rotate around a rotation axis S4 on base plate 104, second strutting piece 110 is connected to top cover 106 rotationally and is connected to base plate 104 rotationally and rotates around a rotation axis S5 on base plate 104.
From Figure 14 and Figure 15, top cover 106 can comprise the first moving part 406 and the second moving part 408, first moving part 406 has the first cross bar portion 410 and the first bent rod portion 412, second moving part 408 has the second cross bar portion 414 and the second bent rod portion 416, first cross bar portion 410 and the second cross bar portion 414 are connected to top cover 106 respectively rotationally, first bent rod portion 412 and the second bent rod portion 416 are articulated in base plate 104 respectively to make the first moving part 406 and the second moving part 408 on base plate 104 respectively around rotation axis S6, S7 rotates, by this, button 402 can pass through the power conduction design of the first moving part 406 and the second moving part 408 and reaches top cover 106 by can the object of uniform stressed during pressed by external force, thus enable top cover 106 can not the situation of recurring structure yaw tilt with dynamic moving down when being pressed.It is noted that the configuration of moving part mentioned in this embodiment also can be applicable in other embodiments of the present invention.
In this embodiment, seesaw member 404 has pressing arm 418, magnetic conductive material arm 420, and fulcrum 422, and as shown in figure 15, pressing arm 418 supports to arrive in the first cross bar portion 410 of the first moving part 406 and the second cross bar portion 412 of the second moving part 408 movably, fulcrum 422 is connected between pressing arm 418 and magnetic conductive material arm 420, and fulcrum 422 is connected on base plate 104 rotationally to make seesaw member 404 rotate around a rotation axis S8 on base plate 104, use and press arm 418 and magnetic conductive material arm 420 forms seesaw mechanism jointly, wherein press arm 418, fulcrum 422, and magnetic conductive material arm 420 forms T font structure in fact.From the above, with above-described embodiment unlike, in this embodiment, the rotation axis S8 of seesaw member and rotation axis S4, S5 of the first strutting piece 108 and the second strutting piece 110 are parallel to each other, and the rotation axis S6 (or rotation axis S7 of the second moving part 408) of the first moving part 406 sequentially arranges in essence U-shaped with rotation axis S4, S5 of the first strutting piece 108 and the second strutting piece 110 on base plate 104.In actual applications, pressing arm 418 can be made up of magnetic conductive material, magnetic conductive material part 114 can extend to partly overlap with pressing arm 418 towards pressing arm 418, by this, when top cover 106 by pressed by external force cause pressing arm 418 and magnetic conductive material part 114 close to time, along with top cover 106 moves down, magnetic distance between pressing arm 418 and magnetic conductive material part 114 also can reduce thereupon, according to the physical characteristic that magnetic force and square distance are inversely proportional to, pressing arm 418 and the magnetic attraction of magnetic conductive material part 114 will strengthen rapidly and drive and press arm 418 and accelerate to decline, use and make top cover 106 accelerate to move to pressing position, thus good key press feel is provided.
Through above-mentioned configuration, from Figure 15 and Figure 16, when top cover 106 is by pressed by external force, and this external force is when enough overcoming the magnetic attraction between magnetic conductive material part 114 and magnetic conductive material arm 420, top cover 106 will press down the first cross bar portion 410 of the first moving part 406 and the second cross bar portion 414 of the second moving part 408, by this, the pressing arm 136 being connected to the below in the first cross bar portion 410 and the second cross bar portion 414 will move down thereupon, use and make seesaw member 404 with fulcrum 422 for fulcrum, tilt (as shown in figure 16) relative to base plate 104 to drive magnetic conductive material arm 420, and along with the downward pressing of top cover 106, first strutting piece 108 and the second strutting piece 110 also can directly be pressed down by top cover 106 and rotate, make the pressing position that top cover 106 can move to as shown in figure 16 with the rotation of the first strutting piece 108 and the second strutting piece 110, to make the switch 150 of the salient point 424 circuits for triggering plate 148 of pressing arm 418, to perform corresponding input function.As for other related description of button 402, it can refer to the first embodiment and analogizes, and repeats no more in this.
Finally, refer to Figure 17, its button 202 ' being a keyboard 200 ' proposed according to a fifth embodiment of the present invention is installed on the assembly drawing on base plate 104, for asking the structural design knowing display button 202 ', the drafting of top cover 106 is omitted in Figure 17, element described in 5th embodiment and the identical person of element number described in the second embodiment, represent that it has similar function or opposed configuration, repeat no more in this.With the second embodiment unlike, in this embodiment, button 202 ' adopts the design of monolateral strutting piece, use the object reaching and simplify the design of its integrated model, for example, as shown in figure 17, keyboard 200 ' comprises base plate 104, circuit board 148, light guide plate 154, magnetic conductive board 158, and button 202 ', button 202 ' comprises top cover 106, attraction part 114 ', strutting piece 108 ', and seesaw member 204 ', seesaw member 204 ' has fulcrum 210, attraction arm 208 ', and pressing arm 206 ', wherein attraction part 114 ' and attraction arm 208 ' can be the element that can produce mutual attractive force each other, such as magnet and magnetic material are (such as, iron or other metal) etc.
Strutting piece 108 ' is connected to top cover 106 rotationally and is connected to base plate 104 rotationally and rotates around a rotation axis S9 on base plate 104, use and top cover 106 can be moved by opposed bottom 104 with the rotation of strutting piece 108 ' between non-pressing position and pressing position, pressing arm 206 ' is then only have one accordingly to support to arrive in end 212 ', support to arrive in end 212 ' to be positioned between strutting piece 108 ' and top cover 106 and not to be directly connected in strutting piece 108 ' to support to arrive in top cover 106, fulcrum 210 is connected between pressing arm 206 ' and attraction arm 208 ', and fulcrum 210 is connected to rotationally on base plate 104 and rotates around a rotation axis S10 on base plate 104, use and press arm 206 ' and attraction arm 208 ' forms seesaw mechanism jointly, wherein strutting piece 108 ' rotation axis S9 system can with the rotation axis S10 of seesaw member 204 ' vertical and L-shaped arrangement of essence (as shown in figure 17) on base plate 104.
Through above-mentioned configuration, when top cover 106 is by pressed by external force, and this external force is when enough overcoming the attraction between attraction part 114 ' and attraction arm 208 ', top cover 106 will directly press down pressing arm 206 ' support to arrive in end 212 ', use and make seesaw member 204 ' with fulcrum 210 for fulcrum, tilt relative to base plate 104 to drive attraction arm 208 ', and along with the downward pressing of top cover 106, pressing arm 206 ' will utilize support to arrive in end 212 ' press down strutting piece 108 ' rotate, make top cover 106 can move to pressing position with the rotation of strutting piece 108 ', to perform corresponding input function.As for other related description of button 202 ', it is can refer to the second embodiment to analogize, and repeats no more in this.
In sum, keyboard provided by the present invention can omit the configuration of scissor mechanism in known button and elastic component, thus effectively reduce the space taken needed for button entirety, in order to the application of follow-up keyboard slimming, and effectively extend the useful life of button.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the scope of the claims in the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (15)
1. a keyboard, is characterized in that comprising:
Base plate; And
A plurality of button, it is arranged on this base plate, and at least one of them button of this plurality of button comprises:
Top cover;
First strutting piece, it is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this first strutting piece, this top cover can move between non-pressing position and pressing position relative to this base plate, and this first strutting piece rotates around the first rotation axis on this base plate;
Seesaw member, it has pressing arm, attraction arm, and fulcrum, this pressing arm support to arrive in movably this top cover and this first strutting piece at least one of them, this fulcrum is connected between this pressing arm and this attraction arm, and this fulcrum is connected on this base plate rotationally, this seesaw member is rotated around the second rotation axis on this base plate, this first rotation axis is vertical with this second rotation axis, and this first rotation axis and the L-shaped arrangement on which floor plate of this second rotation axis; And
Attraction part, it is arranged at this base plate to should on the position of attraction arm;
Wherein when this top cover by pressed by external force and this external force enough overcomes the magnetic attraction between this attraction part and this attraction arm time, this pressing arm is with this fulcrum for fulcrum tilts relative to this base plate to drive this attraction arm, and this top cover moves to this pressing position with the rotation of this first strutting piece by this non-pressing position;
Wherein when this external force discharges, this magnetic attraction between this attraction part and this attraction arm drives this attraction arm with this fulcrum for fulcrum, to adsorb this attraction part, this pressing arm is tilted relative to this base plate, move back to this non-pressing position with the rotation of this first strutting piece by this pressing position to make this top cover.
2. keyboard according to claim 1, it is characterized in that: this pressing arm supports to arrive in this top cover movably, but directly do not connect this first strutting piece, when this external force discharges, when this top cover is for moving to this non-pressing position by this pressing position, this pressing arm first forces in this top cover, then by this first strutting piece of this top cover interlock.
3. keyboard according to claim 1, it is characterized in that: this pressing arm is movably connected this first strutting piece, but directly do not connect this top cover, when this external force discharges, when this top cover is for moving to this non-pressing position by this pressing position, this pressing arm first forces in this first strutting piece, then by this this top cover of the first strutting piece interlock.
4. keyboard according to claim 1, it is characterized in that: this pressing arm is movably connected this first strutting piece and this top cover simultaneously, when this external force discharges, when this top cover is for moving to this non-pressing position by this pressing position, this pressing arm forces in this first strutting piece and this top cover simultaneously.
5. keyboard according to claim 1, is characterized in that: this base plate is in having storage perforate in attraction arm place, and this attraction part is arranged in this storage perforate to reduce keyboard whole height.
6. keyboard according to claim 1, it is characterized in that: also there is the second strutting piece, it is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this second strutting piece, this top cover can move between this non-pressing position and this pressing position relative to this base plate, and this second strutting piece rotates around the 3rd rotation axis on this base plate;
Wherein this first rotation axis is parallel with the 3rd rotation axis.
7. keyboard according to claim 6, it is characterized in that: this second rotation axis is perpendicular to this first rotation axis and the 3rd rotation axis, this first rotation axis, this second rotation axis and the 3rd rotation axis sequentially take the shape of the letter U arrangement on which floor plate, this pressing arm extends between this first strutting piece and this second strutting piece, this pressing arm is T-shaped structure, extend first round about respectively support to arrive in end and second support to arrive in end, this first supports to arrive in end and is connected to this first strutting piece actively, and this second supports to arrive in end and be connected to this second strutting piece actively.
8. keyboard according to claim 6, it is characterized in that: this second rotation axis is perpendicular to this first rotation axis and the 3rd rotation axis, this first rotation axis, this second rotation axis and the 3rd rotation axis sequentially take the shape of the letter U arrangement on which floor plate, this pressing arm extends outside this first strutting piece and this second strutting piece, this pressing arm is U-shaped structure, and extend first in opposite directions respectively in this U-shaped structure end and support to arrive in end and second support to arrive in end, this first supports to arrive in end and is connected to this first strutting piece actively, this second supports to arrive in end and is connected to this second strutting piece actively.
9. keyboard according to claim 1, is characterized in that: this attraction part and this attraction arm at least one of them is magnet.
10. a keyboard, is characterized in that comprising:
Base plate; And
A plurality of button, it is arranged on this base plate, and at least one of them button of this plurality of button comprises:
Top cover;
First strutting piece, it is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this first strutting piece, this top cover can move between non-pressing position and pressing position relative to this base plate, and this first strutting piece rotates around the first rotation axis on this base plate;
Second strutting piece, it is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this second strutting piece, this top cover can move between this non-pressing position and this pressing position relative to this base plate, this second strutting piece rotates around the 3rd rotation axis on this base plate, and wherein this first rotation axis is parallel with the 3rd rotation axis;
Seesaw member, it has pressing arm, attraction arm, and fulcrum, this pressing arm support to arrive in movably this top cover and this first strutting piece at least one of them, this fulcrum is connected between this pressing arm and this attraction arm, and this fulcrum is connected on this base plate rotationally, this seesaw member is rotated on this base plate around the second rotation axis;
Attraction part, it is arranged at this base plate to should on the position of attraction arm; And
At least one moving part, it is connected to this top cover rotationally and is connected to this base plate rotationally, with the rotation of this moving part, this top cover can move between this non-pressing position and this pressing position relative to this base plate, and this moving part rotates around the 4th rotation axis on this base plate; Wherein this first rotation axis is parallel with this second rotation axis and the 3rd rotation axis, 4th rotation axis is perpendicular to this first rotation axis and this second rotation axis and the 3rd rotation axis, and the 4th rotation axis and this first rotation axis and this second rotation axis sequentially take the shape of the letter U on which floor plate and arrange;
Wherein when this top cover by pressed by external force and this external force enough overcomes the magnetic attraction between this attraction part and this attraction arm time, this pressing arm is with this fulcrum for fulcrum tilts relative to this base plate to drive this attraction arm, and this top cover moves to this pressing position with the rotation of this first strutting piece by this non-pressing position;
Wherein when this external force discharges, this magnetic attraction between this attraction part and this attraction arm drives this attraction arm with this fulcrum for fulcrum, to adsorb this attraction part, this pressing arm is tilted relative to this base plate, move back to this non-pressing position with the rotation of this first strutting piece by this pressing position to make this top cover.
11. keyboards according to claim 10, it is characterized in that: this pressing arm supports to arrive in this top cover movably, but directly do not connect this first strutting piece, when this external force discharges, when this top cover is for moving to this non-pressing position by this pressing position, this pressing arm first forces in this top cover, then by this first strutting piece of this top cover interlock.
12. keyboards according to claim 10, it is characterized in that: this pressing arm is movably connected this first strutting piece, but directly do not connect this top cover, when this external force discharges, when this top cover is for moving to this non-pressing position by this pressing position, this pressing arm first forces in this first strutting piece, then by this this top cover of the first strutting piece interlock.
13. keyboards according to claim 10, it is characterized in that: this pressing arm is movably connected this first strutting piece and this top cover simultaneously, when this external force discharges, when this top cover is for moving to this non-pressing position by this pressing position, this pressing arm forces in this first strutting piece and this top cover simultaneously.
14. keyboards according to claim 10, is characterized in that: this base plate is in having storage perforate in attraction arm place, and this attraction part is arranged in this storage perforate to reduce keyboard whole height.
15. keyboards according to claim 10, is characterized in that: this attraction part and this attraction arm at least one of them is magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073451.3A CN103165325B (en) | 2013-03-07 | 2013-03-07 | Keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310073451.3A CN103165325B (en) | 2013-03-07 | 2013-03-07 | Keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103165325A CN103165325A (en) | 2013-06-19 |
| CN103165325B true CN103165325B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310073451.3A Active CN103165325B (en) | 2013-03-07 | 2013-03-07 | Keyboard |
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| Country | Link |
|---|---|
| CN (1) | CN103165325B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269307B (en) * | 2014-09-25 | 2017-06-06 | 苏州达方电子有限公司 | Press-key structure |
| CN104576136B (en) * | 2014-09-25 | 2017-07-28 | 苏州达方电子有限公司 | Press-key structure |
| CN104576129A (en) * | 2014-12-30 | 2015-04-29 | 苏州达方电子有限公司 | Key structure |
| TWI613690B (en) | 2016-06-16 | 2018-02-01 | 達方電子股份有限公司 | Keyswitch |
| TWI616920B (en) * | 2016-08-17 | 2018-03-01 | 達方電子股份有限公司 | Keyswitch and keyboard thereof |
| CN106783318B (en) * | 2016-12-06 | 2018-08-31 | 苏州达方电子有限公司 | Button |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM436188U (en) * | 2012-05-09 | 2012-08-21 | Darfon Electronics Corp | Keyswitch and keyboard thereof |
| CN202523584U (en) * | 2012-03-27 | 2012-11-07 | 苏州达方电子有限公司 | Button |
| CN202736793U (en) * | 2012-03-23 | 2013-02-13 | 苏州达方电子有限公司 | Magnetic button combination and keyboard |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008084584A (en) * | 2006-09-26 | 2008-04-10 | Tokai Rika Co Ltd | Stop lamp switch for vehicle |
| CN102189707A (en) * | 2010-03-11 | 2011-09-21 | 上海微绍自动化设备有限公司 | New process method for cold and hot pressing molding production device |
| US8970331B2 (en) * | 2011-06-09 | 2015-03-03 | Darfon Electronics Corp. | Keyswitch assembly and keyboard |
| TWM416801U (en) * | 2011-06-09 | 2011-11-21 | Darfon Electronics Corp | Keyswitch assembly |
| CN202189707U (en) * | 2011-07-19 | 2012-04-11 | 苏州达方电子有限公司 | A combined key and a keyboard |
| TWM434979U (en) * | 2012-03-14 | 2012-08-01 | Darfon Electronics Corp | Keyswitch |
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2013
- 2013-03-07 CN CN201310073451.3A patent/CN103165325B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202736793U (en) * | 2012-03-23 | 2013-02-13 | 苏州达方电子有限公司 | Magnetic button combination and keyboard |
| CN202523584U (en) * | 2012-03-27 | 2012-11-07 | 苏州达方电子有限公司 | Button |
| TWM436188U (en) * | 2012-05-09 | 2012-08-21 | Darfon Electronics Corp | Keyswitch and keyboard thereof |
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|---|---|
| CN103165325A (en) | 2013-06-19 |
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