CN105551866A - Key structure - Google Patents
Key structure Download PDFInfo
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- CN105551866A CN105551866A CN201610077196.3A CN201610077196A CN105551866A CN 105551866 A CN105551866 A CN 105551866A CN 201610077196 A CN201610077196 A CN 201610077196A CN 105551866 A CN105551866 A CN 105551866A
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- China
- Prior art keywords
- magnetic
- base
- support
- side portion
- keycap
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/034—Separate snap action
- H01H2215/042—Permanent magnets
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- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention relates to a key structure. The key structure comprises a base, a key cap, a lift mechanism and a magnetic element, wherein the key cap can vertically move relative to the base by the lift mechanism, the lift mechanism comprises a support, a magnetic part is arranged at one side edge part of the support, the side edge part is maintained to prop against the base by a sharp edge, the magnetic part outwards extends from the side edge part, the other opposite side edge part of the support is movably connected with the key cap, the magnetic element is arranged on the base in correspondence to the magnetic part, and a magnetic attractive force is generated between the magnetic element and the magnetic part; when the key cap is pressed by an external force, the support rotates relative to the base by the sharp edge, so that the magnetic part deviates from the magnetic element, and the key cap is close to the base; when the external force is released, the magnetic attractive force drives the support to rotate relative to the base by the sharp edge so as to make the key cap deviated from the base; and another magnetic element can be arranged on the base and can generate a magnetic attractive force on another magnetic part of the support, so that the side edge part is driven to prop against the base.
Description
The divisional application that the application is the applying date is on August 29th, 2014, application number is 201410436255.2, denomination of invention is the application for a patent for invention of " press-key structure ".
Technical field
The present invention relates to a kind of press-key structure, especially a kind of mechanical key structure.
Background technology
The distance moved up and down of conventional keys is longer, therefore easily bowl-type rubber bodies can be set below its keycap, make when keycap is pressed downwardly, this bowl-type rubber bodies is also pressed downward contracting and produces elastic force, and when keycap is released, the elastic force that bowl-type rubber bodies produces orders about keycap and moves up with homing.But along with the trend of keyboard slimming, when the height that keyboard moves up and down is required to reduce, the height of bowl-type rubber bodies also will along with reduction, but after the height reduction of bowl-type rubber bodies, the characteristic of life-span and elastic force all can be deteriorated.In addition, for longer button (also known as multiple push-button), when the optional position pressing that multiple connecting rod allows user on keycap is set usually bottom its keycap, really maintenance level can move up and down and user can be allowed to experience clear and definite resilience force (or feel), but along with keyboard height be required to reduce again time, due to spatial limitation, this design is not easy to implement.
Summary of the invention
In view of the problem in prior art, the object of the present invention is to provide a kind of press-key structure, the start that this press-key structure utilizes magnetic attraction cooperation support lever construction to provide keycap stable, and then clearer and more definite and stable pressing stroke feel can be provided.
In order to achieve the above object, the present invention proposes a kind of press-key structure, and this press-key structure comprises: base, keycap, the first support and the first magnetic part.This keycap can move up and down along first direction relative to this base, this first support has first side portion, second side portion, first and restrains structure and the first magnetic portion, this first side portion and this base keep abutting, this second side portion arranges relative to this first side portion and connects this keycap actively, this first magnetic portion is stretched out by this first side portion, this first position limiting structure is restrained this first contained structure and this first support movement on its bearing of trend is restricted in, and the bearing of trend of this first support is perpendicular to this first direction; First magnetic part is to should the first magnetic portion be arranged on this base, the first magnetic attraction is produced between this first magnetic part and this first magnetic portion, when this keycap of pressed by external force, this first support with this first side portion relative to this base rotation, make this first magnetic portion away from this first magnetic part and this keycap near this base, when this external force discharges, this first magnetic attraction orders about this first support and rotates to make this keycap away from this base relative to this base with this first side portion.
As optional technical scheme, this first side portion keeps abutting via the first sharp edge with this base; Wherein, this first sharp edge is arranged at this first side portion; Or this first sharp edge is arranged at this base.
As optional technical scheme, this press-key structure also comprises the second support, this second support and this first support are oppositely arranged, this second support has the 3rd side portion and four side portion, 3rd side portion keeps abutting this base, and this four side portion arranges relative to the 3rd side portion and connects this keycap actively.
As optional technical scheme, this second support also comprises abutting part, and this abutting part is stretched out by the 3rd side portion, and this abutting part abuts this first support.
As optional technical scheme, this abutting portion is between this first magnetic portion and this base.
As optional technical scheme, this base comprises two the 3rd location structures, this first support comprises the first location structure, this first location structure this first magnetic portion contiguous is arranged, this second support comprises the second location structure, this second location structure this abutting part contiguous is arranged, and these two the 3rd location structures of this base engage with this first location structure of this first support and this second location structure one_to_one corresponding of this second support respectively.
As optional technical scheme, this press-key structure also comprises the second magnetic part, this second magnetic part to be arranged on this base and this second magnetic part between this first support and this second support, wherein this first support has the second magnetic portion, this second magnetic portion is to also and between this second magnetic part producing the second magnetic attraction by the second magnetic part, this base is abutted to order about this first side portion, and this second support has the 3rd magnetic portion, 3rd magnetic portion is to also producing the 3rd magnetic attraction between energy and this second magnetic part by the second magnetic part, this base is abutted to order about the 3rd side portion.
As optional technical scheme, this press-key structure also comprises two the second magnetic parts, these two second magnetic parts are arranged on this base and these two second magnetic parts are positioned at the below in this first side portion, this first magnetic part is between these two second magnetic parts, wherein this first support has two the second magnetic portion, these two second magnetic portion respectively these two second magnetic parts of one_to_one corresponding also and between these two second magnetic parts produce the second magnetic attraction, abut this base to order about this first side portion.
As optional technical scheme, this first magnetic part and this two the second magnetic parts arrange along second direction, and this first support extends along this second direction, and this first magnetic areas is in the middle part in this first side portion, and this second direction is perpendicular to this first direction.
As optional technical scheme, this first contained structure comprises two protuberances, these two protuberances protrude from this first side portion, this first position limiting structure comprises two stop sections, these two protuberances are respectively correspondingly between these two stop sections, and these two stop sections are in these two protuberances of this second direction block.
As optional technical scheme, this first magnetic areas is between these two protuberances.
As optional technical scheme, this base comprises vertical position limiting structure, and this keycap comprises the 3rd and restrains structure, and this vertical position limiting structure is restrained the 3rd contained structure and the movement of this keycap on this first direction is restricted in.Or this base comprises vertical guiding structural, this keycap comprises the first guiding structural, and this first guiding structural of this keycap moves up and down relative to this base along this first direction along with this keycap and slides on limitedly in this vertical guiding structural.
In addition, the present invention also proposes a kind of press-key structure, and this press-key structure comprises base, keycap, the first support, the 3rd support and the first magnetic part.This first support has first side portion, second side portion and the first magnetic portion, this first side portion and this base keep abutting, this second side portion arranges relative to this first side portion and connects this keycap actively, and this first magnetic portion is stretched out by this first side portion.3rd support connects this base and this keycap respectively, when this keycap moves up and down along first direction relative to this base, this first support rotates relative to this base with the first axial rotary, 3rd support rotates relative to this base with the second axial rotary, this first axial rotary and this second axial rotary not parallel, this first axial rotary and this second axial rotary all vertical with this first direction.First magnetic part is to should the first magnetic portion be arranged on this base, the first magnetic attraction is produced between this first magnetic part and this first magnetic portion, when this keycap of pressed by external force, this first support with this first side portion relative to this base rotation, make this first magnetic portion away from this first magnetic part and this keycap near this base, when this external force discharges, this first magnetic attraction orders about this first support and rotates to make this keycap away from this base relative to this base with this first side portion.
As optional technical scheme, this first side portion keeps abutting via the first sharp edge with this base.This first sharp edge is arranged at this first side portion; Or this first sharp edge is arranged at this base.
As optional technical scheme, this press-key structure also comprises the second support, this second support and this first support are oppositely arranged, this second support has the 3rd side portion and four side portion, 3rd side portion keeps abutting this base, and this four side portion arranges relative to the 3rd side portion and connects this keycap actively.
As optional technical scheme, this second support also comprises abutting part, and this abutting part is stretched out by the 3rd side portion, and this abutting part abuts this first support.
As optional technical scheme, this abutting portion is between this first magnetic portion and this base.
As optional technical scheme, this base comprises two the 3rd location structures, this first support comprises the first location structure, this first location structure this first magnetic portion contiguous is arranged, this second support comprises the second location structure, this second location structure this abutting part contiguous is arranged, and these two the 3rd location structures of this base engage with this first location structure of this first support and this second location structure one_to_one corresponding of this second support respectively.
As optional technical scheme, this press-key structure also comprises the second magnetic part, this second magnetic part to be arranged on this base and this second magnetic part between this first support and this second support, wherein this first support has the second magnetic portion, this second magnetic portion is to also and between this second magnetic part producing the second magnetic attraction by the second magnetic part, this base is abutted to order about this first side portion, and this second support has the 3rd magnetic portion, 3rd magnetic portion is to also producing the 3rd magnetic attraction between energy and this second magnetic part by the second magnetic part, this base is abutted to order about the 3rd side portion.
As optional technical scheme, this press-key structure also comprises two the second magnetic parts, these two second magnetic parts are arranged on this base and these two second magnetic parts are positioned at the below in this first side portion, this first magnetic part is between these two second magnetic parts, wherein this first support has two the second magnetic portion, these two second magnetic portion respectively these two second magnetic parts of one_to_one corresponding also and between these two second magnetic parts produce the second magnetic attraction, abut this base to order about this first side portion.
As optional technical scheme, this first magnetic part and this two the second magnetic parts arrange along second direction, and this first support extends along this second direction, and this first magnetic areas is in the middle part in this first side portion, and this second direction is perpendicular to this first direction.
Compared to prior art, the power utilizing magnetic attraction press-key structure to provide keycap homing of the present invention, without the need to using bowl-type rubber bodies and connecting rod, therefore can save installation space, and making can be more compact by this bond structure structure, is conducive to press-key structure height reduction.In addition, press-key structure of the present invention utilizes the sharp edge of this support to abut this base, and with this sharp edge for rotating fulcrum, makes this support to stablize relative to this base and accurately to rotate, and reduce the frictional resistance rotated, therefore the pressing stroke feel that user can be provided clear and definite and stable.In addition, when press-key structure of the present invention is applied to the situation of longer button (also known as multiple push-button), the keycap length of this press-key structure is longer, and this first support also has longer first side portion and second side portion.Although the magnetic attraction between this first magnetic part with this first magnetic portion to the contained effect (namely ordering about this first side portion to keep abutting base) in this first side portion along with far away apart from this first magnetic part (or this first magnetic portion) and successively decrease, but through the magnetic attraction between this second magnetic part and this second magnetic portion, this first side portion entirety still can effectively keep abutting this base, makes this first support (especially two end portions) can not be out of shape, tilt.By this, when any position of this keycap of pressed by external force, this keycap all can pass through this second side portion and this first support is stably rotated relative to this base with this first side portion, make this magnetic portion away from this magnetic part and this keycap reposefully near this base.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the press-key structure according to one embodiment of the invention;
Fig. 2 is the explosive view of press-key structure in Fig. 1;
Fig. 3 is the part explosive view of press-key structure in Fig. 1;
Fig. 4 is the profile of press-key structure along Fig. 3 center line X-X;
Fig. 5 is the profile of press-key structure along Fig. 3 center line Y-Y;
Fig. 6 is the profile of press-key structure after its keycap is pressed in Fig. 4;
Fig. 7 is the profile of press-key structure after its keycap is pressed in Fig. 5;
Fig. 8 is the profile of press-key structure along the part of Fig. 3 center line Z-Z;
Fig. 9 is the part explosive view of press-key structure according to another embodiment of the present invention;
Figure 10 is the explosive view of press-key structure according to another embodiment of the present invention;
Figure 11 is the profile of press-key structure in Figure 10.
Embodiment
Refer to Fig. 1 to Fig. 5, Fig. 1 is the schematic diagram of the press-key structure 1 according to one embodiment of the invention, Fig. 2 is the explosive view of press-key structure 1, Fig. 3 is the part explosive view of press-key structure 1, its visual angle is different from Fig. 2, Fig. 4 is the profile of press-key structure 1 along Fig. 3 center line X-X, and Fig. 5 is the profile of press-key structure 1 along Fig. 3 center line Y-Y.Press-key structure 1 comprises base 10, keycap 12, elevating mechanism 14, first magnetic part 16 and two the second magnetic parts 18.Keycap 12 is arranged on base 10, and elevating mechanism 14 is arranged between base 10 and keycap 12, and keycap 12 can vertically be moved up and down relative to base 10 by (or be called first direction, lower with) D1 via elevating mechanism 14.First magnetic part 16 and the second magnetic part 18 are arranged at base 10, and the first magnetic part 16 and the second magnetic part 18 can produce magnetic attraction to elevating mechanism 14 and stablize start to make elevating mechanism 14, and then keycap 12 can be moved up and down relative to base 10 reposefully.
Furthermore, in the present embodiment, base 10 comprises base plate 102, film circuit board 104 and abuts plate 106, first magnetic part 16 and the second magnetic part 18 are arranged on base plate 102, film circuit board 104 to be arranged on base plate 102 and to have two switch 104a, 104b (representing with hachure circle), abutting plate 106 is stacked and placed on film circuit board 104 and abuts for elevating mechanism 14, abut the bearing surface that plate 106 can also improve elevating mechanism 14 and base 10, during to avoid elevating mechanism 14 start and the first magnetic part 16 and the second magnetic part 18 constructive interference.
Elevating mechanism 14 comprises the first support 142 and the second support 144, first support 142 and the second support 144 and is relatively arranged on base 10.First support 142 has first side portion 1422, second side portion 1424 and the first magnetic portion 1426, first side portion 1422 has the first sharp edge 1422a and keeps abutting the abutting plate 106 of base 10 with the first sharp edge 1422a, second side portion 1424 arranges relative to first side portion 1422 and connects the basal surface 12a of keycap 12 actively, first magnetic portion 1426 is stretched out by the first side portion 1422 of the first support 142, namely stretches out relative to second side portion 1424.Second support 144 has the 3rd side portion 1442, four side portion 1444 and abutting part 1446,3rd side portion 1442 keeps the abutting plate 106 abutting base 10, four side portion 1444 arranges relative to the 3rd side portion 1442 and connects the basal surface 12a of keycap 12 actively, abutting part 1446 is stretched out by the 3rd side portion 1442, namely stretch out relative to four side portion 1444, abutting part 1446 between the first magnetic portion 1426 and base 10, for abutting with the first support 142.In addition, what remark additionally is, aforementioned keycap 12 and the connection of the activity in second side portion 1424, four side portion 1444 are not limited to second side portion 1424, four side portion 1444 produces structural combination with keycap 12, in implementation, only need when press-key structure 1 start (when such as pressing keycap 12 as user), keycap 12 can move up and down along with the start of elevating mechanism 14.In the present embodiment, keycap 12 is not provided with special structure and is combined with elevating mechanism 14, but be directly positioned on elevating mechanism 14, second side portion 1424 and four side portion 1444 contact the basal surface 12a of keycap 12 respectively, when keycap 12 moves up and down relative to base 10 via elevating mechanism 14, slide in second side portion 1424 and four side portion 1444 on basal surface 12a.
Corresponding first magnetic portion 1426 of first magnetic part 16 is arranged on the base plate 102 of base 10, is namely arranged between this first support 142 and the second support 144.The first magnetic attraction F1 (being shown in Fig. 4 with thick-line arrow) is produced between first magnetic part 16 and the first magnetic portion 1426, in implementation, first magnetic part 16 can be magnet, and the first magnetic portion 1426 can be locally magnet or be made up of paramagnetic material or other materials that can produce induced field; In originally executing in example, the first support 142 entirety is the stamping parts of paramagnetism ferrous metal, therefore the first magnetic portion 1426 directly can be subject to the attraction of the first magnetic part 16 and realize aforementioned first magnetic attraction F1.Under the effect of the first magnetic attraction F1, first magnetic portion 1426 has the trend moved down, make the first magnetic portion 1426 can keep abutting abutting part 1446, therefore when the first magnetic portion 1426 be subject to the first magnetic attraction F1 driving and near the first magnetic part 16 time, abutting part 1446 between the first magnetic portion 1426 and base 10 also moves being subject to the first pressing down of magnetic portion 1426 towards base 10, first support 142 to be rotated and the second support 144 rotates with the abutting plate 106 of the 3rd side portion 1442 relative to base 10 relative to the abutting plate 106 of base 10 with the first sharp edge 1422a, to make keycap 12 away from base 10.What remark additionally is, in this embodiment, although abutting part 1446 is connected to the first magnetic portion 1426, but the invention is not restricted to this mode, that is abutting part 1446 abuts the first support 142 is structural contact relation, the place that first support 142 abuts with abutting part 1446 can not need magnetic, such as, abutting part 1446 is connected to other positions (such as the first support 142 is outstanding relative to second side portion 1424 in first side portion 1422 forms the structure abutted for abutting part 1446) of the first support 142.What remark additionally is, in the present embodiment, elevating mechanism 14 comprises the first support 142 and the second support 144, in practical operation, single first support 142 can support keycap 12, and realize keycap 12 in the reciprocating motion of vertical direction D1 by the first magnetic portion 1426 of the first support 142 with coordinating of the first magnetic part 16 on base 10, namely realize elevating mechanism 14 pairs of keycaps 12 and the effect steadily moved up and down is provided, user selectivity can use single first support 142 according to the actual requirements, or uses the first support 142 and the second support 144 simultaneously.
In addition, for Fig. 4, when user presses keycap 12, first support 142 is subject to the attraction of the first magnetic attraction F1 in the first magnetic portion 1426, be subject to the pressing force of user via keycap 12 in second side portion 1424 simultaneously, and be subject in first side portion 1422 the fulcrum support power abutting plate 106, therefore the first support 142 produces start and the support of lever.When user presses keycap 12, namely the resilience force that user experiences is determined by the first magnetic attraction F1 and lever arm of force.In the present embodiment, first support 142 with the first sharp edge 1422a for rotating fulcrum, avoid rotating frictional resistance, and make the first support 142 pairs of keycaps 12 provide relatively-stationary structural capacity arm lengths, conveniently design resilience force (i.e. user can experience feel).Same, in the present embodiment, same design also adopted by the second support 144, and the second support 144 keeps with the second sharp edge 1442a of the 3rd side portion 1442 the abutting plate 106 abutting base 10; But the present invention is not as limit.What remark additionally is, in this enforcement, first support 142 and the second support 144 all in the horizontal direction D2 (or are called second direction D2, lower same, and horizontal direction D2 is perpendicular to vertical direction D1, namely second direction is perpendicular to first direction) extend, first sharp edge 1422a be the first support 142 in the horizontal direction D2 extend structure crest line, second sharp edge 1442a be the second support 144 in the horizontal direction D2 extend structure crest line, though the first support 142 and the second support 144 need destroy crest line to form other structures (such as the first magnetic portion 1426 in subregion, abutting part 1446), but the crest line of this multistage all can be considered the first sharp edge 1422a of the present invention, second sharp edge 1442a, the set of this multistage crest line can be considered as the sharp edge technical characteristic of indication of the present invention in logic.The second holes 1446a place in the first holes 1426a place such as in the first magnetic portion 1426 and abutting part 1446 still retains structure crest line, namely the structure crest line at the first holes 1426a place belongs to a part of the first sharp edge 1422a, and the structure crest line at the second holes 1446a place belongs to a part of the second sharp edge 1442a; Abut plate 106 and protuberance 106a, 106b are provided accordingly, abut for it.
Second magnetic part 18, relative to the first magnetic part 16, is relatively arranged on the base plate 102 of base 10.Second magnetic part 18 is between the first support 142 and the second support 144 and be positioned at below first side portion 1422 and the 3rd side portion 1442, that is the second magnetic part 18 in vertical direction D1 projection respectively with the first support 142 and the second support 144 overlapping in the projection section of vertical direction D1.First support 142 has two the second magnetic portion 1428 (representing its position with dashed circle in Fig. 2), these two the second magnetic portion 1428 are arranged with these two the second magnetic parts 18 difference one_to_one corresponding, i.e. corresponding second magnetic part 18 of the second magnetic portion 1428, and produce the second magnetic attraction F2 (being shown in Fig. 5 with thick-line arrow) respectively between these two the second magnetic portion 1428 energy and these two the second magnetic parts 18; Same, second support 144 has two the 3rd magnetic portion 1448 (representing its position with dashed circle in Fig. 2), same, these two the 3rd magnetic portion 1448 are arranged with these two the second magnetic parts 18 difference one_to_one corresponding, i.e. corresponding second magnetic part 18 of the 3rd magnetic portion 1448, and produce the 3rd magnetic attraction F3 (being shown in Fig. 5 with thick-line arrow) respectively between these two the 3rd magnetic portion 1448 energy and these two the second magnetic parts 18.Due in the present embodiment, the first support 142 and the second support 144 are the stamping parts of paramagnetism ferrous metal, therefore aforementioned second magnetic portion the 1428, the 3 1448 is just to the part of the second magnetic part 18.Aforementioned second magnetic attraction F2 can order about the first support 142 and abut base 10 with the first sharp edge 1422a; Same, aforementioned 3rd magnetic attraction F3 can order about the second support 144 and abut base 10 with the second sharp edge 1442a.In the present embodiment, the second magnetic portion 1428 and the second magnetic part 18 are one by one just to setting, in practical operation, only need to make the second magnetic portion 1428 corresponding with the second magnetic part 18, produce the second magnetic attraction F2 between the two.3rd magnetic portion 1448 and the second magnetic part 18 to arrange situation similar to above-mentioned, separately do not repeat.
What remark additionally is, the arrangement on D2 in the horizontal direction of first magnetic part 16 and the second magnetic part 18, first magnetic part 16 is roughly positioned at the centre position of these two the second magnetic parts 18, first magnetic portion 1426 is positioned at the middle part in first side portion 1422, and abutting part 1446 is positioned at the middle part of the 3rd side portion 1442.This is symmetrical arranged the stress balance contributing to the first support 142 and the second support 144, promotes the stability of elevating mechanism 14 start.In addition, the second magnetic part 18 also contributes to the first sharp edge 1422a, the second sharp edge 1442a near abutting plate 106; Again, the second magnetic part 18 simultaneously between the first support 142 and the second support 144, contribute to the first support 142 and the second support 144 close to each other.Therefore, on the whole, elevating mechanism 14 can be arranged to Stability Analysis of Structures in press-key structure 1, wherein, first support 142 and the second support 144 Absorbable organic halogens and can closely respectively with the first sharp edge 1422a, the second sharp edge 1442a for fulcrum, rotate relative to base 10 (or abutting plate 106), and then make whole press-key structure 1 provide user stable and reliable operating handle.
Be the profile of press-key structure 1 after keycap 12 is pressed in Fig. 4 referring to Fig. 6 and Fig. 7, Fig. 6, Fig. 7 is the profile of press-key structure 1 after keycap 12 is pressed in Fig. 5.When pressed by external force keycap 12 (such as user is with finger presses keycap 12), first support 142 rotates relative to base 10 with the first sharp edge 1422a, first magnetic portion 1426 is away from the first magnetic part 16, second support 144 rotates relative to base 10 with the second sharp edge 1442a simultaneously, abutting part 1446 is away from base 10, make keycap 12 near base 10, as shown in FIG. 6 and 7.Press down in process in this keycap 12, when the first magnetic portion 1426 is away from the first magnetic part 16, second support 144 is also subject to the magnetic effect (being namely subject to the 3rd magnetic attraction F3 effect) of the second magnetic part 18, second support 144 rotates towards abutting plate 106 with the second sharp edge 1442a, namely the second support 144 trend presses close to abut plate 106, makes abutting part 1446 still can keep abutting first magnetic portion 1426.Therefore, in the process that keycap 12 declines, whole elevating mechanism 14 can make keycap 12 reposefully towards base 10 vertically movement.
When external force discharges (such as user removes the finger of pressing keycap 12), now, first support 142 and the second support 144 are in fact only subject to the first magnetic attraction F1, second magnetic attraction F2, the effect of the 3rd magnetic attraction F3, due to the design of the present embodiment, first magnetic attraction F1 is greater than the moment that the first support 142 produces, or even the moment the first support 142 and the 3rd magnetic attraction F3 to be produced the first support 142 indirectly much larger than the second magnetic attraction F2 and, therefore the first magnetic attraction F1 still can order about the first support 142 rotates relative to the abutting plate 106 of base 10 with the first sharp edge 1422a.Same, in the process that keycap 12 rises, whole elevating mechanism 14 can make keycap 12 reposefully away from base 10 vertically movement.
Supplementary notes, in the present embodiment, press-key structure 1 essence is multiple key.First support 142 and the second support 144 all in the horizontal direction D2 extend, therefore keycap 12 entirety all can be subject to the support of the first support 142 and the second support 144.Because the second magnetic part 18 is to the effect of the first support 142 and the second support 144, first support 142 and the second support 144 be D2 all energy synchronous rotaries in the horizontal direction, therefore keycap 12 can rise reposefully relative to base 10 or decline, when user presses keycap 12, do not have obvious crooked phenomenon.First support 142 and the second support 144 comprise outstanding 142a, 144a respectively, and when keycap 12 is pressed down, outstanding 142a, 144a can distinguish trigger switch 104a, 104b, as shown in Figure 6.
In addition, in the present embodiment, base 10 comprises two the 3rd location structures 108a, 108b, the corresponding 3rd location structure 108a of first support 142 comprises the first location structure 1430, contiguous first magnetic portion 1426 of first location structure 1430, and the corresponding 3rd location structure 108b of the second support 144 comprises the contiguous abutting part 1446 of the second location structure 1450, the second location structure 1430.The 3rd location structure 108a, 180b of base 10 engages with the location structure 1430,1450 of the first support 142 and the second support 144 respectively, the relative position of the first magnetic portion 1426 and the first magnetic part 16 and the relative position of abutting part 1446 and the first magnetic portion 1426 are all maintained, cause the mutual start relation of the first magnetic portion 1426, first magnetic part 16 and abutting part 1446 to be able to normal operation.In the present embodiment, each the 3rd location structure 108a, 180b is a pair outstanding keeper, each first location structure 1430 and each the second location structure 1450 are also a pair through hole accordingly, wear for this keeper (i.e. the 3rd location structure), and then reach effect that the first magnetic portion 1426 locates relative to base 10 with abutting part 1446.
In addition, in the present embodiment, base 10 comprises two Horizontal limiting structures, i.e. the first position limiting structure 110a and the second position limiting structure 110b, the corresponding first position limiting structure 110a of first support 142 comprises first and restrains structure 1432, first restrains structure 1432 relatively away from the first magnetic portion 1426, and at least comparatively the second magnetic portion 1428 (corresponding to the second magnetic part 18) is closer to the end of the first support 142 D2 in the horizontal direction.And the corresponding second position limiting structure 110b of the second support 144 comprises the second contained structure 1452, second restrains structure 1452 relatively away from abutting part 1446, and at least comparatively the 3rd magnetic portion 1448 (corresponding to the second magnetic part 18) is closer to the end of the first support 142 D2 in the horizontal direction.First position limiting structure 110a restrains the first contained structure 1432 and first movement of support 142 on horizontal direction D2 is restricted in, and the second position limiting structure 110b restrains the second contained structure 1452 and second movement of support 144 on horizontal direction D2 is restricted in.In the present embodiment, each first contained structure 1432, second restrains structure 1452 comprises two protuberances respectively, these two protuberances protrude from first side portion 1422a and the 3rd side portion 1442a respectively, first magnetic portion 1426 is restrained between these two protuberances of structure 1432 first, abutting part 1446 is restrained between these two protuberances of structure 1452 second, each first position limiting structure 110a and the second position limiting structure 110b comprises two stop sections all accordingly, these two protuberances are accordingly between these two stop sections, these two stop sections are in these two protuberances of horizontal direction D2 block, first support 142 and the second movement of support 144 on horizontal direction D2 are restricted in.
In addition, referring to Fig. 8, it is the profile of press-key structure 1 along Fig. 3 center line Z-Z, when wherein keycap 12 is pressed, is represented by dotted lines.In the present embodiment, for elevating mechanism 14, keycap 12 is directly positioned on elevating mechanism 14, therefore elevating mechanism 14 itself does not have attach structure restriction to keycap 12.But in the present embodiment, base 10 also comprises vertical position limiting structure 112, keycap 12 correspondence comprises the 3rd and restrains structure 122, and vertical position limiting structure 112 is restrained the 3rd contained structure 122 and the movement of keycap 12 on vertical direction D1 is restricted in.In addition, base 10 also comprises vertical guiding structural 114, keycap 12 comprises the first guiding structural (restraining structure 122 same structure with the 3rd), the first guiding structural along with keycap 12 vertically D1 move up and down relative to base 10 and slide on limitedly in vertical guiding structural 114.In the present embodiment, vertical guiding structural 114 has sliding groove structure in base 10 respectively in horizontal direction D2 both sides, vertical guiding structural 114 and vertical position limiting structure 112 structural integrity, the end (chute blind end) of sliding groove structure can directly as vertical position limiting structure 112, therefore the 3rd of keycap 12 the contained structure 122 and the first guiding structural can be integrated into single structure body (namely keycap 12 forms in the dual-side of horizontal direction D2 the structure being equivalent to slide block, slides in sliding groove structure); But the present invention is not as limit.What remark additionally is, because the first guiding structural only can slide in vertical guiding structural 114, therefore vertical guiding structural 114 pairs of keycaps 12 also have effect (namely restraining the motion of keycap 12 on the direction perpendicular to vertical direction D1 and horizontal direction D2) that level is restrained.In addition, in the present embodiment, first location structure 108a, the second location structure 108b of base 10, Horizontal limiting structure 110a, 110b (i.e. the first position limiting structure 110a, the second position limiting structure 110b), vertical position limiting structure 112 and vertical guiding structural 114 are all integrally formed with base plate 102, such as metal sheet drawing; But the present invention is not as limit.
Refer to Fig. 9, it is the part explosive view of press-key structure 3 according to another embodiment of the present invention.Press-key structure 3 is roughly the same with press-key structure 1 structure, therefore press-key structure 3 still continues to use the element name of press-key structure 1, and can consult the related description of press-key structure 1 about other explanations of press-key structure 3, repeats no more.With press-key structure 1 main difference part, press-key structure 3 is that press-key structure 3 does not adopt vertical position limiting structure 112, the contained effect that moves both vertically that vertical guiding structural 114 and the interaction of the first guiding structural 122 produce, the elevating mechanism 14 of press-key structure 3 comprises two the 3rd supports 146, these two the 3rd supports 146 in the horizontal direction D2 are symmetricly set under the both sides edge of keycap 12, respectively via the first connecting portion 116 on base 10 with the second connecting portion 124 on keycap 12 to be connected base 10 and keycap 12, when via elevating mechanism 14, vertically D1 moves up and down relative to base 10 keycap 12, first support 142 (represents with center line with the first axial rotary 142b, be equivalent to the first sharp edge 1422a) rotate relative to base 10, the second support 144 (does not illustrate in Fig. 9 with the rotating shaft being parallel to the first axial rotary 142b, be equivalent to the second sharp edge 1442a) rotate relative to base 10, the 3rd support 146 rotates relative to base 10 with the second axial rotary 146a (representing with center line).Wherein, the first axial rotary 142b and the second axial rotary 146a is not parallel, thus keycap 12 because of be subject to the plane that is made up of the first axial rotary 142b and the second axial rotary 146a restrain and can move up and down reposefully.In the present embodiment, the first axial rotary 142b is vertical with the second axial rotary 146a, but the present invention is not as limit.What remark additionally is, because single first support 142 can produce, the motion of keycap 12 on the first axial rotary 142b is restrained, therefore in implementation, via suitable configuration first support 142 and the 3rd support 146 (such as making the first support 142 and the 3rd support 146 energy balanced support keycap 12), elevating mechanism 14 pairs of keycaps 12 that can produce as press-key structure 3 provide the effect steadily moved up and down.
In previous embodiment, the first side portion 1422 of the first support 142 abuts via the first sharp edge 1422a with base 10,3rd side portion 1442 of the second support 144 abuts via the second sharp edge 1442a with base 10, wherein the first sharp edge 1422a, the second sharp edge 1442a are arranged at first side portion 1422 and the 3rd side portion 1442 respectively, but the present invention is not as limit.Refer to Figure 10 and Figure 11, Figure 10 is the explosive view of press-key structure 5 according to another embodiment of the present invention, and Figure 11 is the profile of press-key structure 5, and its face position please refer to Fig. 3 center line X-X.Press-key structure 5 is roughly the same with press-key structure 1 structure, therefore press-key structure 5 still continues to use the element name of press-key structure 1, and can consult the related description of press-key structure 1 about other explanations of press-key structure 5, repeats no more.Press-key structure 5 and press-key structure 1 main difference part are, in press-key structure 5, the first side portion 1422 of the first support 142 abuts via the first sharp edge 118 with base 50,3rd side portion 1442 of the second support 144 abuts via the second sharp edge 120 with base 50, and wherein the first sharp edge 118, second sharp edge 120 is arranged at base 50.In the present embodiment, the first sharp edge 118, second sharp edge 120 is upwards bent by base plate 102 part of base 50 and forms (such as by punching press processing procedure); Now, base 50 can abut plate 106 without the need to arranging.Same, the keycap 12 of press-key structure 5 also can move up and down relative to base 50 via the first support 142 and the second support 144 reposefully.Other starts about press-key structure 5 illustrate, refer to the related description of press-key structure 1, separately do not repeat.What remark additionally is, in the present embodiment, first sharp edge 118, second sharp edge 120 is made up of three segment crest lines respectively, in implementation, first sharp edge 118, second sharp edge 120 can be made up of more, longer crest line, also can by single crest line implementation, but no matter whichever, still the set of the crest line of multistage can be considered as the sharp edge technical characteristic of indication of the present invention in logic.
Compared to prior art, the present invention utilizes magnetic attraction press-key structure to provide the power of keycap homing, without the need to using bowl-type rubber bodies and connecting rod, therefore can save installation space, and making can be more compact by this bond structure structure, is conducive to press-key structure height reduction.In addition, press-key structure of the present invention utilizes the sharp edge of this support to abut this base, and with this sharp edge for rotating fulcrum, makes this support to stablize relative to this base and accurately to rotate, and reduce the frictional resistance rotated, therefore the pressing stroke feel that user can be provided clear and definite and stable.In addition, when press-key structure of the present invention is applied to the situation of longer button (also known as multiple push-button), the keycap length of this press-key structure is longer, and this first support also has longer first side portion and second side portion.Although the magnetic attraction between this first magnetic part with this first magnetic portion to the contained effect (namely ordering about this first side portion to keep abutting base) in this first side portion along with far away apart from this first magnetic part (or this first magnetic portion) and successively decrease, but through the magnetic attraction between this second magnetic part and this second magnetic portion, this first side portion entirety still can effectively keep abutting this base, makes this first support (especially two end portions) can not be out of shape, tilt.By this, when any position of this keycap of pressed by external force, this keycap all can pass through this second side portion and this first support is stably rotated relative to this base with this first side portion, make this magnetic portion away from this magnetic part and this keycap reposefully near this base.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (13)
1. a press-key structure, is characterized in that this press-key structure comprises:
Base, this base comprises the first position limiting structure;
Keycap, this keycap can move up and down along first direction relative to this base;
First support, this first support has first side portion, second side portion, first and restrains structure and the first magnetic portion, this first side portion and this base keep abutting, this second side portion arranges relative to this first side portion and connects this keycap actively, this first magnetic portion is stretched out by this first side portion, this first position limiting structure is restrained this first contained structure and this first support movement on its bearing of trend is restricted in, and the bearing of trend of this first support is perpendicular to this first direction; And
First magnetic part, to should the first magnetic portion be arranged on this base, the first magnetic attraction is produced between this first magnetic part and this first magnetic portion, when this keycap of pressed by external force, this first support with this first side portion relative to this base rotation, make this first magnetic portion away from this first magnetic part and this keycap near this base, when this external force discharges, this first magnetic attraction order about this first support with this first side portion relative to this base rotate to make this keycap away from this base.
2. a press-key structure, is characterized in that this press-key structure comprises:
Base;
Keycap;
First support, this first support has first side portion, second side portion and the first magnetic portion, this first side portion and this base keep abutting, and this second side portion arranges relative to this first side portion and connects this keycap actively, and this first magnetic portion is stretched out by this first side portion;
3rd support, 3rd support connects this base and this keycap respectively, when this keycap moves up and down along first direction relative to this base, this first support rotates relative to this base with the first axial rotary, 3rd support rotates relative to this base with the second axial rotary, this first axial rotary and this second axial rotary not parallel, this first axial rotary and this second axial rotary all vertical with this first direction; And
First magnetic part, to should the first magnetic portion be arranged on this base, the first magnetic attraction is produced between this first magnetic part and this first magnetic portion, when this keycap of pressed by external force, this first support with this first side portion relative to this base rotation, make this first magnetic portion away from this first magnetic part and this keycap near this base, when this external force discharges, this first magnetic attraction order about this first support with this first side portion relative to this base rotate to make this keycap away from this base.
3. press-key structure according to claim 1 and 2, is characterized in that: this first side portion keeps abutting via the first sharp edge with this base; Wherein, this first sharp edge is arranged at this first side portion; Or this first sharp edge is arranged at this base.
4. press-key structure according to claim 1 and 2, it is characterized in that: this press-key structure also comprises the second support, this second support and this first support are oppositely arranged, this second support has the 3rd side portion and four side portion, 3rd side portion keeps abutting this base, and this four side portion arranges relative to the 3rd side portion and connects this keycap actively.
5. press-key structure according to claim 4, is characterized in that: this second support also comprises abutting part, and this abutting part is stretched out by the 3rd side portion, and this abutting part abuts this first support.
6. press-key structure according to claim 5, is characterized in that: this abutting portion is between this first magnetic portion and this base.
7. press-key structure according to claim 5, it is characterized in that: this base comprises two the 3rd location structures, this first support comprises the first location structure, this first location structure this first magnetic portion contiguous is arranged, this second support comprises the second location structure, this second location structure this abutting part contiguous is arranged, and these two the 3rd location structures of this base engage with this first location structure of this first support and this second location structure one_to_one corresponding of this second support respectively.
8. press-key structure according to claim 4, it is characterized in that: this press-key structure also comprises the second magnetic part, this second magnetic part to be arranged on this base and this second magnetic part between this first support and this second support, wherein this first support has the second magnetic portion, this second magnetic portion is to also and between this second magnetic part producing the second magnetic attraction by the second magnetic part, this base is abutted to order about this first side portion, and this second support has the 3rd magnetic portion, 3rd magnetic portion is to also producing the 3rd magnetic attraction between energy and this second magnetic part by the second magnetic part, this base is abutted to order about the 3rd side portion.
9. press-key structure according to claim 1 and 2, it is characterized in that: this press-key structure also comprises two the second magnetic parts, these two second magnetic parts are arranged on this base and these two second magnetic parts are positioned at the below in this first side portion, this first magnetic part is between these two second magnetic parts, wherein this first support has two the second magnetic portion, these two second magnetic portion respectively these two second magnetic parts of one_to_one corresponding also and between these two second magnetic parts produce the second magnetic attraction, abut this base to order about this first side portion.
10. press-key structure according to claim 9, it is characterized in that: this first magnetic part and this two the second magnetic parts arrange along second direction, this first support extends along this second direction, this first magnetic areas is in the middle part in this first side portion, and this second direction is perpendicular to this first direction.
11. press-key structures according to claim 1, it is characterized in that: this first contained structure comprises two protuberances, these two protuberances protrude from this first side portion, this first position limiting structure comprises two stop sections, these two protuberances are respectively correspondingly between these two stop sections, and these two stop sections are in these two protuberances of this second direction block.
12. press-key structures according to claim 11, is characterized in that: this first magnetic areas is between these two protuberances.
13. press-key structures according to claim 1, it is characterized in that: this base comprises vertical position limiting structure, this keycap comprises the 3rd and restrains structure, and this vertical position limiting structure is restrained the 3rd contained structure and the movement of this keycap on this first direction is restricted in; Or this base comprises vertical guiding structural, this keycap comprises the first guiding structural, and this first guiding structural of this keycap moves up and down relative to this base along this first direction along with this keycap and slides on limitedly in this vertical guiding structural.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610077196.3A CN105551866B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410436255.2A CN104201029B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
| CN201610077196.3A CN105551866B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410436255.2A Division CN104201029B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
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| CN105551866A true CN105551866A (en) | 2016-05-04 |
| CN105551866B CN105551866B (en) | 2017-10-03 |
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| CN201610077196.3A Active CN105551866B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
| CN201410436255.2A Active CN104201029B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410436255.2A Active CN104201029B (en) | 2014-08-29 | 2014-08-29 | Press-key structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107887186A (en) * | 2017-11-03 | 2018-04-06 | 苏州达方电子有限公司 | Button |
| CN107958807A (en) * | 2017-11-13 | 2018-04-24 | 苏州达方电子有限公司 | Button |
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| CN104701054B (en) * | 2015-02-17 | 2017-03-01 | 苏州达方电子有限公司 | Keyboard |
| TWI555050B (en) * | 2015-07-03 | 2016-10-21 | 達方電子股份有限公司 | Keyswitch and keyboard thereof |
| CN104992867A (en) * | 2015-07-21 | 2015-10-21 | 苏州达方电子有限公司 | A key and a keyboard comprising the same |
| CN105206459B (en) * | 2015-08-07 | 2017-07-25 | 苏州达方电子有限公司 | Button |
| TWI601176B (en) * | 2015-12-28 | 2017-10-01 | 達方電子股份有限公司 | Keyswitch and keyboard thereof |
| TWI640026B (en) * | 2016-03-10 | 2018-11-01 | 達方電子股份有限公司 | Key structure |
| CN105914073B (en) * | 2016-05-25 | 2018-03-06 | 苏州达方电子有限公司 | Button |
| CN107768167B (en) * | 2017-09-27 | 2019-07-30 | 苏州达方电子有限公司 | Magnetic attractive button and its magnetic-type keyboard |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104201029A (en) | 2014-12-10 |
| CN105551866B (en) | 2017-10-03 |
| CN104201029B (en) | 2016-08-24 |
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