CN104051175A - Key structure - Google Patents
Key structure Download PDFInfo
- Publication number
- CN104051175A CN104051175A CN201410253226.2A CN201410253226A CN104051175A CN 104051175 A CN104051175 A CN 104051175A CN 201410253226 A CN201410253226 A CN 201410253226A CN 104051175 A CN104051175 A CN 104051175A
- Authority
- CN
- China
- Prior art keywords
- support
- base plate
- press
- magnetic part
- keycap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/12—Push-buttons
- H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
- H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
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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
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/054—Tactile feedback common to all switch sites
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/04—Return force magnetic
Landscapes
- 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 plate, a key cap, a first support, a second support and a magnetic part. The base plate is provided with a magnetic portion, the key cap is arranged on the base plate, the first support and the second support are arranged between the base plate and the key cap, and the key cap can vertically move relative to the base plate. The magnetic part corresponding to the magnetic portion is arranged between the base plate and the key cap, the magnetic part and the magnetic portion produce attraction force, the attraction force enable the magnetic part to be in contact with the first support and the second support and exert force on the first support and the second support so as to drive the key cap to move away from the base plate through the first support and the second support. A mechanism for producing restoring force in the key structure can have the effect without overlarge space occupation, and limitations on structure and actuation of the supports are decreased. Required attraction force is obtained by utilizing materials of the magnetic part and the magnetic portion, the structural sizes of the magnetic part and the magnetic portion are not required to be increased, and actuation stability and structural strength of the key structure are maintained.
Description
Technical field
The present invention relates to a kind of press-key structure, especially refer to a kind of press-key structure that utilizes magnetic attraction start.
Background technology
Press-key structure sees through the mechanism that cross-coupled support provides keycap to move up and down conventionally, and being separately provided with elastic component (for example silica gel circle is prominent) in keycap below, elastic component is in order to provide keycap restoring force to get back to original position (position while not being pressed) to order about keycap.Support and elastic component adopt compact arrangement to dwindle the required space that arranges of press-key structure conventionally, but adopt interconnection and silica gel circle and project and be placed in therebetween due to support, make supporting structure have certain structural complexity.In addition, silica gel circle is prominent need have suitable structural volume begin to provide user enough press feedback feel (being the reaction force of user's impression while pressing), make the required volume of press-key structure have its restriction.Therefore, unless detract or sacrifice the stability of keycap start or press feedback feel, this kind of press-key structure is difficult to be applicable in film keyboard in fact.
Summary of the invention
In view of the problem in prior art, one of object of the present invention is to provide a kind of press-key structure, utilize the attraction producing between magnetic part and base plate to order about two support starts supporting keycap simultaneously, therefore can take into account the stability of keycap start and enough feedback feels of pressing are provided, be beneficial to and be applicable in film keyboard (such as but not limited to keyboard for notebook computer) simultaneously.
In order to achieve the above object, the present invention proposes a kind of press-key structure, and this press-key structure comprises base plate, keycap, the first support, the second support and magnetic part.Base plate has magnetic portion; Keycap is arranged on this base plate; The first support is arranged between this base plate and this keycap; The second support is arranged between this base plate and this keycap, and this keycap is via this first support and this second support and can move up and down with respect to this base plate; Magnetic part is to should magnetic portion being arranged between this base plate and this keycap, between this magnetic part and this magnetic portion, produce attraction, this attraction makes this magnetic part contact and force in this first support and this second support moves this keycap edge to order about this first support and this second support away from the direction of this base plate.
As optional technical scheme, this first support is this base plate of butt and this keycap rotatably, and this second support is this base plate of butt and this keycap rotatably.
As optional technical scheme, this magnetic part is arranged between this first support and this second support, this first support and this second support are oppositely arranged, and make in the time that this keycap moves up and down with respect to this floor level, and this first support and this second support are with respect to this base plate reverse rotation.
As optional technical scheme, this magnetic part is rotatable with respect to this base plate, in the time that this keycap moves up and down with respect to this floor level, and this magnetic part and this first support rotating Vortex.
As optional technical scheme, this magnetic part is fixed on this first support.
As optional technical scheme, this first support also comprises groove, and this magnetic part is embedded in this groove.
As optional technical scheme, this first support is plastic parts.
As optional technical scheme, this magnetic part is this base plate of butt rotatably.
As optional technical scheme, this magnetic part and this first support rotate with respect to this base plate with same rotating shaft.
As optional technical scheme, this first support comprises the first position and the second position, this first position is with rotatably this keycap of butt of the first rotating shaft, this second position is with rotatably this base plate of butt of the second rotating shaft, this magnetic part comprises abutting part, this abutting part is with rotatably this base plate of butt of the 3rd rotating shaft, and the 3rd projection of rotating shaft on this base plate is between this first rotating shaft and this projection of the second rotating shaft on this base plate.
As optional technical scheme, the second support comprises the first position, the second position and the 3rd position, this first position is this keycap of butt rotatably, this second position is this base plate of butt rotatably, the 3rd position keeps contacting with this magnetic part, and this second position is between this first position and the 3rd position.
As optional technical scheme, the 3rd is positioned between this second position and magnetic part.
As optional technical scheme, this first support and this second support are separated setting.
As optional technical scheme, one of them of this magnetic portion and this magnetic part is magnet, this magnetic portion and this magnetic part wherein another is paramagnetism part.
In addition, the present invention also proposes another kind of press-key structure, and this press-key structure comprises base plate, keycap, the first support, the second support and magnetic part.Base plate has magnetic portion; Keycap is arranged on this base plate; This first support is plastic parts, is arranged between this base plate and this keycap; The second support is arranged between this base plate and this keycap, and this keycap is via this first support and this second support and can move up and down with respect to this base plate; Magnetic part is fixed on this first support, between this magnetic part and this magnetic portion, produce attraction, this attraction makes this magnetic part contact and force in this first support and this second support moves this keycap edge to order about this first support and this second support away from the direction of this base plate.
As optional technical scheme, this second support comprises outstanding end, and this outstanding end keeps contacting with this magnetic part.
As optional technical scheme, this second support comprises pivot structure, and this pivot structure is this base plate of butt rotatably, and this jag portion is positioned between pivot structure and magnetic part.
As optional technical scheme, all this base plates of butt rotatably of this first support and this second support.
As optional technical scheme, all this keycaps of butt movably of this first support and this second support.
As optional technical scheme, one of them of this first support and this second support be this keycap of butt rotatably, wherein another this keycap of butt slidably of this first support and this second support.
As optional technical scheme, one of them of this magnetic portion and this magnetic part is magnet, this magnetic portion and this magnetic part wherein another is paramagnetism part.
As optional technical scheme, this first support also comprises groove, and this magnetic part is embedded in this groove.
Compared to prior art, the mechanism's (being magnetic part and magnetic portion) for generation of restoring force in press-key structure of the present invention can act on without occupying excessive space, reduces the restriction in structure and start to the first support and the second support; In addition, can be by selecting the material of magnetic part and magnetic portion to obtain required attraction, without realizing with the structural volume that increases magnetic part and magnetic portion.By this, doing more than dynamic stability and structural strength all can maintain certain degree of the first support and the second support.Therefore, press-key structure of the present invention can overcome in prior art and when press-key structure is applied to film keyboard, cannot take into account the stability of keycap start and enough facing a difficult choice of feedback feel of pressing are provided.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is according to the schematic diagram of the press-key structure of preferred embodiment of the present invention;
Fig. 2 is the partial exploded view of press-key structure in Fig. 1;
Fig. 3 is the explosive view of press-key structure in Fig. 1;
Fig. 4 is the cutaway view of press-key structure X-X along the line in Fig. 1;
Fig. 5 is the cutaway view after the keycap of press-key structure in Fig. 1 is pressed;
Fig. 6 is the cutaway view after the keycap of press-key structure in Fig. 1 is tiltedly pressed by the right side;
Fig. 7 is that the keycap left side of press-key structure in Fig. 1 is biased the cutaway view while pressing;
Fig. 8 is according to the explosive view of the press-key structure of another preferred embodiment of the present invention;
Fig. 9 is the vertical view of press-key structure in Fig. 8;
Figure 10 is the cutaway view of press-key structure 3 Y-Y along the line in Fig. 8;
Figure 11 is that the keycap of press-key structure in Fig. 8 is by the cutaway view after pressing;
Figure 12 is according to the explosive view of the press-key structure of another preferred embodiment of the present invention;
Figure 13 is the cutaway view of press-key structure in Figure 12;
Figure 14 is that the keycap of press-key structure in Figure 12 is tilted the cutaway view after pressing.
Embodiment
Refer to Fig. 1 to Fig. 4, Fig. 1 is according to the schematic diagram of the press-key structure 1 of a preferred embodiment of the present invention, and Fig. 2 is the partial exploded view of press-key structure 1, and Fig. 3 is the explosive view of press-key structure 1, and Fig. 4 is the cutaway view of press-key structure 1 along Fig. 1 center line X-X.Press-key structure 1 comprises base plate 12, film circuit board 14, keycap 16, the first support 18, the second support 20 and magnetic part 22.Base plate 12 has magnetic portion 122 (illustrating its setting position with dotted line in Fig. 2) and a plurality of connecting portion 124,126, in the present embodiment, base plate 12 is mainly the combination of metallic plate stamping parts and magnet (as magnetic portion 122), but the present invention is not all as limit.Film circuit board 14 is stacked and placed on base plate 12 and has two switch 142a, 142b (being shown in Fig. 3 with dotted line circle), and wherein connecting portion 124,126 protrudes from film circuit board 14 through the hollow part of film circuit board 14.Keycap 16 is arranged on base plate 12 and film circuit board 14 and has a plurality of connecting portions 162,164 (being illustrated in Fig. 2 with dotted line).The first support 18 and the second support 20 are relatively arranged between base plate 12 and keycap 16, the first support 18 is plastic parts (for example plastic cement injection part) the rotatably butt of connecting portion 124 with pivot structure 182 and base plate 12, and pivot structure 184 is the connecting portion 162 of (rotation) butt keycap 16 movably.The second support 20 is the rotatably butt of connecting portion 126 with base plate 12 with pivot structure 202, pivot structure 204 is the connecting portion 164 of (slip) butt keycap 16 movably, then makes keycap 16 via the first support 18 and the second support 20 and can stably move up and down with respect to base plate 12.Wherein, pivot structure 182,202 is between pivot structure 184,204, and pivot structure 182,184,202,204 is respectively with two outstanding cylinder implementations, but the present invention is not as limit.In addition, the connecting portion 162 in Fig. 2 can be designed to the shape of connecting portion 164, allows pivot structure 184 be connected to slidably connecting portion 162.In Fig. 4, pivot structure 182,184,202,204 with respect to the rotating shaft of base plate 12 and keycap 16 with cross mark in figure, the projected position that pivot structure 182,184,202,204 is analysed and observe visual angle in this represents with dotted line circle.
Magnetic part 22 is arranged between base plate 12 and keycap 16 to magnetropism portion 122 and magnetic part 22 is fixed on the first support 18, therefore magnetic part 22 is also rotatable with respect to base plate 12, and magnetic part 22 and the first support 18 rotate with respect to base plate 12 with same rotating shaft.In the present embodiment, for example paramagnetic metal part of magnetic part 22 is bumped on the first support 18 in the mode of inlaying in the groove 186 forming, and this mode of inlaying can be by sticking together, close-fitting, notch or imbed the modes such as ejaculation and realize.Between magnetic part 22 and magnetic portion 122, can produce attraction (being shown in Fig. 4 with the thick line with double-head arrow), make magnetic part 22 and magnetic portion 122 tend to mutually close.Wherein, magnetic part 22 directly just arranges magnetic portion 122, but the present invention is not as limit; In principle, magnetic part 22 only needs to make this attraction can meet product requirement with the setting of magnetic portion 122, for example, can order about the first support 18 and the second support 20 starts, the required feedback feel (being the reaction force that user experiences while pressing) etc. of pressing can be provided.This attraction will make magnetic part 22 force in the first support 18 and make magnetic part 22 contact and force in the second support 20, because magnetic part 22 and the first support 18 combine, therefore the position that this attraction occurs can directly be considered as the point of application to the first support 18, therefore magnetic part 22 is positioned at pivot structure 182 to the point of application of the first support 18, between 184, magnetic part 22 is positioned at pivot structure 202 to the point of application of the second support 20, between 204, therefore see through lever principle, this attraction so order about the first support 18 and the second support 20 rotate with by keycap 16 along moving away from the direction of base plate 12, wherein, this attraction is positioned at the relative both sides of pivot structure 182 with respect to pivot structure 184 to the point of application of the first support 18, this attraction is positioned at the relative both sides of pivot structure 202 with respect to pivot structure 204 to the point of application of the second support 20, be rotated counterclockwise and order about the second support 20 and turn clockwise therefore this attraction is ordered about the first support 18 via magnetic part 22.In addition, in the time that keycap 16 is not pressed, magnetic part 22 is subject to that this attraction drives and the outstanding end 208 of keeping in touch the second support 20.Give prominence to end 208 between pivot structure 202 and magnetic part 22, in the time that the second support 20 rotates counterclockwise, can be with lighter strength perk magnetic part 22.
Referring to Fig. 5, Fig. 5 is the cutaway view after press-key structure 1 is pressed.After keycap 16 is pressed by approximate horizontal (as shown in Figure 5, wherein external force F1 roughly puts on the centre of keycap 16), the first support 18 is subject to the contained effect of keycap 16 and base plate 12 and turns clockwise, and the second support 20 is subject to the contained effect of keycap 16 and base plate 12 and is rotated counterclockwise.Because magnetic part 22 is fixed on the first support 18, thus magnetic part 22 will with the first support 18 rotating Vortexes, that is magnetic part 22 is with the first support 18 dextrorotations then along moving away from the direction of magnetic portion 122.In addition, the second support 20, in the time being rotated counterclockwise, also can contacting and promote magnetic part 22 via outstanding end 208 and move away from the direction of magnetic portion 122 with edge, and this phenomenon also contributes to turning clockwise of the first support 18.In the present embodiment, the first support 18 comprises the first teat 188 to inductive switch 142a, the second support 20 comprises the second teat 206 to inductive switch 142b, after keycap 16 is pressed by approximate horizontal, the first teat 188 can press film circuit board 14 with trigger switch 142a, and the second teat 206 presses film circuit board 14 with trigger switch 142b.Now, the attraction of generation (being also shown in Fig. 5 with the thick line with double-head arrow) between magnetic part 22 and magnetic portion 122, though weaken, but still keeps that to order about magnetic part 22 close towards magnetic portion 122.After external force F1 disappears, this attraction drives magnetic part 22 to move towards magnetic portion 122; Simultaneously, magnetic part 22 forces in the first support 18 and contacts and force in the second support 20 and is rotated counterclockwise to order about the first support 18, order about the second support 20 and turn clockwise, and then keycap 16 is moved to get back to original position (as shown in Figure 4) away from base plate 12.
Press (example as shown in Figure 6 keycap 16 is tiltedly pressed by the right side, and wherein external force F2 roughly puts on the right side of keycap 16) during when keycap 16 is tilted, magnetic part 22 turns clockwise in company with the first support 18 and move away from the direction of magnetic portion 122 on edge.Though the second support 20 is now close to not rotation, the first support 18 itself has the first teat 188, and now the first teat 188 still can effectively be pressed film circuit board 14 with trigger switch 142a; That is press-key structure 1 still effectively pressed, so inclination pressing operation is still effective.Similarly, after external force F2 disappears, this attraction drives magnetic part 22 to move towards magnetic portion 122; Meanwhile, magnetic part 22 forces in the first support 18 and is rotated counterclockwise to order about the first support 18, and then original position (as shown in Figure 4) is moved to get back to away from the direction of base plate 12 in keycap 16 edges.
When keycap 16 is only exerted pressure by external force F3 and in the time that base plate 12 moves (as shown in Figure 7, wherein external force F3 roughly puts on the left side of keycap 16) in left side, the second support 20 is subject to restraining of base plate 12 and keycap 16 and is rotated counterclockwise.In being rotated counterclockwise in process of aforementioned the second support 20, magnetic part 22 is subject to this attraction driving and still keeps in touch the second support 20, the second support 20 is turned clockwise via magnetic part 22 interlock the first supports 18, and then make keycap 16 entirety still roughly maintenance level move down, the first teat 188 presses film circuit board 14 with trigger switch 142a, and the second teat 206 presses film circuit board 14 with trigger switch 142b.Similarly, after external force F3 disappears, this attraction drives magnetic part 22 to move towards magnetic portion 122; Simultaneously, magnetic part 22 forces in the first support 18 and is rotated counterclockwise to order about the first support 18, and magnetic part 22 contacts and forces in the second support 20 and turns clockwise to order about the second support 20 simultaneously, and then original position (as shown in Figure 4) is moved to get back to away from the direction of base plate 12 in keycap 16 edges.Therefore, the start of the keycap 16 in start and the Fig. 5 of the keycap 16 in this situation is suitable, is all roughly level with respect to base plate 12 and moves up and down.
As above stated specification, between magnetic part 22 and magnetic portion 122, the attraction of generation, for seeing through magnetic part directly to the first support 18 and second support 20 application of forces and the first support 18 and the second support 20 are produced to turning moment, makes this attraction stable and reliable to the effect of the first support 18 and the second support 20.In the present embodiment, the first support 18 and the second support 20 are separated setting, that is to each other without directly connecting or contact, can be subject to the start impact of the second support 20, operational scenario as shown in Figure 7 but the first support 18 still can see through magnetic part 22; But the present invention is not as limit.For example, in practical operation, the first support 18 and the second support 20 still can have directly contact or connection in structure, associated with the start between the second support 20 to improve the first support 18.
In addition, in the present embodiment, the first support 18 and the second support 20 structures are oppositely arranged (or the setting of meaning symmetrical configuration), make in the time that keycap 16 moves up and down with respect to base plate 12 levels, the first support 18 and the second support 20 are with respect to base plate 12 reverse rotations, respectively with counterclockwise, turn clockwise, or with clockwise, be rotated counterclockwise; But the present invention is not as limit.For example, in practical operation, arrange though the first support 18 and the second support 20 are separated, but still can, in the time that keycap 16 moves up and down with respect to base plate 12 levels, do homodromal design; Now, each component configuration also needs to coordinate and adjusts, though slightly different from previous embodiment, can complete based on this specification and graphic exposure but still can be persond having ordinary knowledge in the technical field of the present invention, therefore separately do not repeat.Again, in the present embodiment, the second support 20 comprises the first position, the second position and the 3rd position, this first position (being pivot structure 204) and rotatably butt of keycap 16, this second position (being pivot structure 202) and rotatably butt of base plate 12, the 3rd position (i.e. outstanding end 208) keeps contacting with magnetic part 22, this second position is between this first position and the 3rd position, that is magnetic part 22 and keycap 16 are positioned at the both sides of balance pivot (being pivot structure 202) to the application of force of the second support 20, start as seesaw.In the present embodiment, the first support 18 and the second support 20 can adopt plastic material, for example make in the mode of injection molding, be conducive to control structure size and easily reach required size precision, make pivot structure 184,204 easily and the stably butt of connecting portion 164,162 of keycap, and preferably tension pull out force of keycap 16 is provided.The first support 18 and the second support 20 can adopt the plastic material of light transmission again, realize the better illuminated keyboard of illumination effect in order to the backlight module of arranging in pairs or groups.
In addition, in the present embodiment, between magnetic part 22 and magnetic portion 122, the attraction of generation can realize with magnet (being magnetic portion 122) through the paramagnetic metal part (being magnetic part 22) being oppositely arranged, but the present invention is not as limit.For example, magnetic part 22 is with magnet implementation, and magnetic portion 122, with paramagnetic metal part implementation, also can produce attraction between the two; Now, in the time that base plate 12 is also adopted paramagnetic metal part implementation, magnetic portion 122 directly realizes with the part of the corresponding magnetic part 22 of base plate 12, and this can simplify the complexity of base plate 12 structures.Again for example, magnetic portion 122 and magnetic part 22 are all adopted magnet implementation, but magnetic pole arranges on the contrary, still can produce attraction between both.
In previous embodiment, the first support 18 is plastic parts, easily be combined in the mode of imbedding ejaculation with magnetic part 22, but the present invention is not as limit, for example, even if for example the first support 18 is metalwork (stamping parts), magnetic part 22 still can be easily via sticking together, close-fitting, notch and be fixed in the groove 186 of the first support 18.In addition, press-key structure of the present invention is not also limited in the mode of magnetic part 22 and first support 18 both secure bond.Refer to the 8th to Figure 10, Fig. 8 is according to the explosive view of the press-key structure 3 of another preferred embodiment of the present invention, and Fig. 9 is the vertical view of press-key structure 3, and Figure 10 is the cutaway view of press-key structure 3 along Fig. 9 center line Y-Y.Press-key structure 3 is roughly the same with press-key structure 1 structure, therefore the similar elements of press-key structure 3 is still continued to use the component symbol of press-key structure 1.Illustrate with not existing together of press-key structure 1 mainly for press-key structure 3 below, about other explanations of press-key structure 3, the related description of asking footpath to consult press-key structure 1, does not separately repeat.
In the present embodiment, the magnetic part 42 of press-key structure 3 comprises two abutting parts 422 and two tongue piece portion 424, the first support 38 of press-key structure 3 comprises hollow out 190 and two draw-in grooves 192, while making magnetic part 42 be assembled in the groove 186 of the first support 38, abutting part 422 can be through hollow out 190 with butt base plate 12 rotatably, and tongue piece portion 424 is inserted in draw-in groove 192 accordingly, make magnetic part 42 rotatable with respect to base plate 12.In the present embodiment, magnetic part 42 is roughly the same with respect to rotating shaft and first support 38 of base plate 12, that is magnetic part 42 and the first support 38 are shown greatly same rotating shaft (with cross mark in figure) and rotated with respect to base plate 12.Between magnetic part 42 and magnetic portion 122, can produce attraction (being shown in Figure 10 with the thick line with double-head arrow), make magnetic part 42 and magnetic portion 122 tend to mutually close.In the present embodiment, though magnetic part 42, not together with the first support 38 secure bond, sees through, magnetic part 42 and the first support 38 are structural to be restrained mutually, and this attraction still can make magnetic part 42 force in the first support 38.Under the effect of this attraction, application of force direction and the force application location (be positioned at magnetic part 42 both sides with respect to the rotating shaft of base plate 12) of magnetic part 42 to the first support 38, roughly as shown in solid single arrow in Figure 10; This attraction can be ordered about the first support 38 via magnetic part 42 and is rotated counterclockwise that keycap 16 edges are moved away from the direction of base plate 12.In the time that the first support 38 is driven by keycap 16 and turns clockwise (for example, in Fig. 5 or Fig. 6, keycap 16 is pressed), the first support 38 also turns clockwise with away from magnetic portion 122 to order about magnetic part 42 to magnetic part 42 application of forces (roughly as shown in Figure 10 hollow core list arrow).
In addition,, in the press-key structure 3 of this example, in the time that external force puts on the centre of keycap 16 or right side, the start of press-key structure 3 is roughly identical with press-key structure 1, can correspondence consult Fig. 5 and Fig. 6 and related description thereof.Refer to Figure 11, its keycap 16 that is press-key structure 3 is tilted the cutaway view after pressing.In the time that external force F4 puts on the left side of keycap 16, the second support 20 is driven by keycap 16 and is rotated counterclockwise and orders about magnetic part 42 and turns clockwise with away from magnetic portion 122, and its related description can be consulted the explanation about the second support 20 starts in earlier figures 7.Now, together with though magnetic part 42 is not completely fixed with the first support 38, but in the time that magnetic part 42 is driven by the second support 20 and turns clockwise, on magnetic part 42, the right side of abutting part 422 will be to the bottom 186a application of force of groove 186 so that the first support 38 is imposed to the moment turning clockwise, and then the first support 38 is also turned clockwise.Therefore under external force F4 effect, the start logic of press-key structure 3 is still identical with press-key structure 1.
In previous embodiment, the magnetic part 42 of press-key structure 3 and the first support 38 are all to rotate with respect to base plate 12 with same rotating shaft, but the present invention is not as limit.Refer to Figure 12 and Figure 13, Figure 12 is according to the explosive view of the press-key structure 5 of another preferred embodiment of the present invention, and Figure 13 is the cutaway view of press-key structure 5, and its face position can be with reference to the line X-X of Fig. 1.Press-key structure 5 is roughly the same with press-key structure 1 structure, therefore the similar elements of press-key structure 5 is still continued to use the component symbol of press-key structure 1.Illustrate with not existing together of press-key structure 1 mainly for press-key structure 5 below, about other explanations of press-key structure 5, the related description of asking footpath to consult press-key structure 1, does not separately repeat.
In the present embodiment, the magnetic part 62 of press-key structure 5 comprises two abutting parts 622, the first support 58 of press-key structure 5 comprises hollow out 191, while making magnetic part 62 be assembled in the groove 186 of the first support 58, abutting part 622 can be through hollow out 191 with butt base plate 12 rotatably, so that magnetic part 62 is rotatable with respect to base plate 12.In the present embodiment, magnetic part 62 is different with respect to the rotating shaft of base plate 12 with respect to rotating shaft and first support 38 of base plate 12, that is magnetic part 42 and the first support 58 are rotatable with respect to base plate 12 with a rotating shaft (with cross mark in figure) separately.In the present embodiment, the first support 58 comprises the first position and the second position, the first rotating shaft R1 and rotatably butt of keycap 16 are shown greatly in this first position (being pivot structure 184), the second rotating shaft R2 and rotatably butt of base plate 12 are shown greatly in this second position (being pivot structure 182), abutting part 622 is shown greatly the 3rd rotating shaft R3 and rotatably butt of base plate 12, the 3rd projection of rotating shaft R3 on base plate 12 be positioned at the first rotating shaft R1 and the second projection of rotating shaft R2 on base plate 12 between.Between magnetic part 62 and magnetic portion 122, can produce attraction (being shown in Figure 13 with the thick line with double-head arrow), make magnetic part 62 and magnetic portion 122 tend to mutually close.In the present embodiment, though magnetic part 62, not together with the first support 58 secure bond, sees through, magnetic part 62 and the first support 58 are structural to be restrained mutually, and this attraction still can make magnetic part 62 force in the first support 58.Under the effect of this attraction, the application of force direction of magnetic part 62 to the first support 58 and force application location (be positioned at the second rotating shaft R2 and magnetic portion 122 between), roughly as shown in solid single arrow in Figure 13; This attraction can via magnetic part 62 order about the first support 58 be rotated counterclockwise with by keycap 16 towards moving away from the direction of base plate 12.In the time that the first support 58 is driven by keycap 16 and turns clockwise (for example, in Fig. 5 or Fig. 6, keycap 16 is pressed), the first support 58 also turns clockwise with away from magnetic portion 122 to order about magnetic part 62 to magnetic part 62 application of forces (roughly as shown in Figure 13 hollow core list arrow).
In addition,, in the press-key structure 5 of this example, in the time that external force puts on the centre of keycap 16 or right side, the start of press-key structure 5 is roughly identical with press-key structure 1, can correspondence consult Fig. 5 and Fig. 6 and related description thereof.Refer to Figure 14, its keycap 16 that is press-key structure 5 is tilted the cutaway view after pressing.In the time that external force F5 puts on the left side of keycap 16, the second support 20 is driven by keycap 16 and is rotated counterclockwise and orders about magnetic part 62 and turns clockwise with away from magnetic portion 122, and its related description can be consulted the explanation about the second support 20 starts in earlier figures 7.Now, together with magnetic part 62 is not completely fixed with the first support 58, magnetic part 62 is independent of the first support 58 and turns clockwise, and the first support 58 is not subject to magnetic part 62 and together rotation, makes keycap 16 be the state that tilts to press.If in implementation, for example see through more structure and the mode such as mutually restrain, stick together, magnetic part 62 and the first support 58 are combined, press-key structure 5 now with press-key structure 1 in start is identical in logic.
Press-key structure 1 in previous embodiment, 3, 5 overall structures are roughly the same, main difference place is magnetic part 22, 42, 62 and first support 18, 38, 58 connected mode difference, cause keycap 16 in different being pressed under situation, the first support 18, 38, 58 have a little different from the start of the second support 20, but press-key structure 1, 3, 5 is all still to utilize magnetic part 22, 42, 62 and the magnetic portion 122 of base plate 12 between the attraction of generation to the first support 18, 38, 58 and second support 20 produce structural restrain and driving effect, at least realize and order about the first support 18, 38, 58 and second support 20 by keycap 16 towards the mechanism moving away from the direction of base plate 12.Therefore, in practical operation, except the situation that is inevitable contradictions in start, from the structure configuration of press-key structure 1,3,5 mutually being replaced, operates, and the aforementioned start about press-key structure 1,3,5 explanation, also can cross-reference.For example also can comprise the structure of the draw-in groove 192 of the first support 38 as being arranged at press-key structure 3 in the first support 58 of press-key structure 5, the magnetic part 62 of press-key structure 5 is corresponding comprising as the structure of the tongue piece portion 424 of the magnetic part 42 of press-key structure 3 also, and the now start of press-key structure 5 is suitable with press-key structure 3.In addition, in press-key structure 3,5, magnetic part 42,62 and the first support 38,58 are not fixed together, therefore magnetic part 42,62 and the first support 38,58 can affect the application of force and the moment between magnetic part 42,62 and the first support 38,58 with respect to the relative position between the rotating shaft (as aforementioned rotating shaft R2, R3) of base plate 12 respectively, for example the projected position of rotating shaft on base plate 12 can affect the moment applying each other, this relation can fully understand based on lever principle, separately not repeat.In addition, for avoiding magnetic portion 122 for example, to cause magnetic interference to other electronic components (notebook computer is near the element of keyboard), can increase paramagnetic metal part in base plate 12 belows.
Compared to prior art, the mechanism's (being magnetic part and magnetic portion) for generation of restoring force in press-key structure of the present invention can act on without occupying excessive space, reduces the restriction in structure and start to the first support and the second support; In addition, can be by selecting the material of magnetic part and magnetic portion to obtain required attraction, without realizing with the structural volume that increases magnetic part and magnetic portion.By this, doing more than dynamic stability and structural strength all can maintain certain degree of the first support and the second support.Therefore, press-key structure of the present invention can overcome in prior art and when press-key structure is applied to film keyboard, cannot take into account the stability of keycap start and enough facing a difficult choice of feedback feel of pressing are provided.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (22)
1. a press-key structure, is characterized in that this press-key structure comprises:
Base plate, has magnetic portion;
Keycap, is arranged on this base plate;
The first support, is arranged between this base plate and this keycap;
The second support, is arranged between this base plate and this keycap, and this keycap is via this first support and this second support and can move up and down with respect to this base plate; And
Magnetic part, to should magnetic portion being arranged between this base plate and this keycap, between this magnetic part and this magnetic portion, produce attraction, this attraction makes this magnetic part contact and force in this first support and this second support moves this keycap edge to order about this first support and this second support away from the direction of this base plate.
2. press-key structure according to claim 1, is characterized in that: this first support is this base plate of butt and this keycap rotatably, and this second support is this base plate of butt and this keycap rotatably.
3. press-key structure according to claim 2, it is characterized in that: this magnetic part is arranged between this first support and this second support, this first support and this second support are oppositely arranged, make in the time that this keycap moves up and down with respect to this floor level, this first support and this second support are with respect to this base plate reverse rotation.
4. press-key structure according to claim 3, is characterized in that: this magnetic part is rotatable with respect to this base plate, in the time that this keycap moves up and down with respect to this floor level, and this magnetic part and this first support rotating Vortex.
5. press-key structure according to claim 4, is characterized in that: this magnetic part is fixed on this first support.
6. press-key structure according to claim 5, is characterized in that: this first support also comprises groove, and this magnetic part is embedded in this groove.
7. press-key structure according to claim 5, is characterized in that: this first support is plastic parts.
8. press-key structure according to claim 4, is characterized in that: this magnetic part is this base plate of butt rotatably.
9. press-key structure according to claim 8, is characterized in that: this magnetic part and this first support rotate with respect to this base plate with same rotating shaft.
10. press-key structure according to claim 8, it is characterized in that: this first support comprises the first position and the second position, this first position is with rotatably this keycap of butt of the first rotating shaft, this second position is with rotatably this base plate of butt of the second rotating shaft, this magnetic part comprises abutting part, this abutting part is with rotatably this base plate of butt of the 3rd rotating shaft, and the 3rd projection of rotating shaft on this base plate is between this first rotating shaft and this projection of the second rotating shaft on this base plate.
11. press-key structures according to claim 4, it is characterized in that: the second support comprises the first position, the second position and the 3rd position, this first position is this keycap of butt rotatably, this second position is this base plate of butt rotatably, the 3rd position keeps contacting with this magnetic part, and this second position is between this first position and the 3rd position.
12. press-key structures according to claim 11, is characterized in that: the 3rd is positioned between this second position and magnetic part.
13. press-key structures according to claim 1, is characterized in that: this first support and this second support are separated setting.
14. press-key structures according to claim 1, is characterized in that: one of them of this magnetic portion and this magnetic part is magnet, this magnetic portion and this magnetic part wherein another is paramagnetism part.
15. 1 kinds of press-key structures, is characterized in that this press-key structure comprises:
Base plate, has magnetic portion;
Keycap, is arranged on this base plate;
The first support, this first support is plastic parts, is arranged between this base plate and this keycap;
The second support, is arranged between this base plate and this keycap, and this keycap is via this first support and this second support and can move up and down with respect to this base plate; And
Magnetic part, be fixed on this first support, between this magnetic part and this magnetic portion, produce attraction, this attraction makes this magnetic part contact and force in this first support and this second support moves this keycap edge to order about this first support and this second support away from the direction of this base plate.
16. press-key structures according to claim 15, is characterized in that: this second support comprises outstanding end, and this outstanding end keeps contacting with this magnetic part.
17. press-key structures according to claim 16, is characterized in that: this second support comprises pivot structure, and this pivot structure is this base plate of butt rotatably, and this jag portion is positioned between pivot structure and magnetic part.
18. press-key structures according to claim 15, is characterized in that: all this base plates of butt rotatably of this first support and this second support.
19. press-key structures according to claim 15, is characterized in that: all this keycaps of butt movably of this first support and this second support.
20. press-key structures according to claim 19, is characterized in that: one of them of this first support and this second support be this keycap of butt rotatably, wherein another this keycap of butt slidably of this first support and this second support.
21. press-key structures according to claim 15, is characterized in that: one of them of this magnetic portion and this magnetic part is magnet, this magnetic portion and this magnetic part wherein another is paramagnetism part.
22. press-key structures according to claim 15, is characterized in that: this first support also comprises groove, and this magnetic part is embedded in this groove.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253226.2A CN104051175A (en) | 2014-06-09 | 2014-06-09 | Key structure |
| CN201710128760.4A CN106803469B (en) | 2014-06-09 | 2015-04-09 | Press-key structure |
| CN201510166059.2A CN104766745B (en) | 2014-06-09 | 2015-04-09 | Press-key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410253226.2A CN104051175A (en) | 2014-06-09 | 2014-06-09 | Key structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104051175A true CN104051175A (en) | 2014-09-17 |
Family
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410253226.2A Pending CN104051175A (en) | 2014-06-09 | 2014-06-09 | Key structure |
| CN201510166059.2A Active CN104766745B (en) | 2014-06-09 | 2015-04-09 | Press-key structure |
| CN201710128760.4A Active CN106803469B (en) | 2014-06-09 | 2015-04-09 | Press-key structure |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510166059.2A Active CN104766745B (en) | 2014-06-09 | 2015-04-09 | Press-key structure |
| CN201710128760.4A Active CN106803469B (en) | 2014-06-09 | 2015-04-09 | Press-key structure |
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| Country | Link |
|---|---|
| CN (3) | CN104051175A (en) |
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| CN104282470A (en) * | 2014-09-25 | 2015-01-14 | 苏州达方电子有限公司 | Key structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104766745A (en) | 2015-07-08 |
| CN106803469A (en) | 2017-06-06 |
| CN104766745B (en) | 2017-03-08 |
| CN106803469B (en) | 2018-12-18 |
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Application publication date: 20140917 |