CN103681064A - Key mechanism and keyboard - Google Patents
Key mechanism and keyboard Download PDFInfo
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- CN103681064A CN103681064A CN201310653861.5A CN201310653861A CN103681064A CN 103681064 A CN103681064 A CN 103681064A CN 201310653861 A CN201310653861 A CN 201310653861A CN 103681064 A CN103681064 A CN 103681064A
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- keycap
- base plate
- press button
- framework
- button mechanism
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Abstract
The invention relates to a key mechanism and a keyboard. The key mechanism comprises a base plate, a key cap, a frame and an upward acting force source. The key cap is arranged on the base plate, located around the base plate and provided with an upward oblique plane. The frame is arranged on the base plate and with a through hole structure. The through hole structure is provided with a downward oblique plane on the inner edge, and the oblique planes are oppositely arranged. The upward oblique plane is arranged between the base plate and the key cap and can enable the key cap to upward move till the periphery of the key cap is contact with the frame and enable the key cap portion to penetrate the through hole structure. The projection portions of the oblique planes on the base plate are overlapped. When the upward oblique plane enables to key cap to upward move and approach to the frame and the oblique planes are in contact, the key cap can be led to deviate towards the central position of the through hole structure. By utilizing matching between the oblique plane of the key cap and the oblique plane of the inner edge of the through hole structure, the effect of limiting and stabilizing key cap action is produced. In addition, under the condition that the total occupied area is constant, the key cap size is increased, and pressing operation of a user is facilitated.
Description
Technical field
The present invention relates to a kind of press button mechanism and keyboard, especially refer to a kind of mechanical key mechanism and keyboard.
Background technology
The size of general slimming keyboard in Z-direction (being that button is pressed direction) dwindled, but for the stability of keystroke driving, the size in the XY plane perpendicular to Z-direction (being the plane of key arrangement) is difficult to dwindle.For example, in adopting keycap to be independent of in the design of keyboard case, slimming keyboard without how many spaces can arrange for the mechanism that stablizes keycap start in Z-direction, therefore form bead to mate with keyboard case more than keycap outer rim, with the start of restriction and stable keycap, this design makes the distance between keycap be difficult to shorten.In addition, for ease of user's operation (being pressing keys) of typewriting, the size of keycap itself also has the increasing trend of design, and this is more difficult to the size that makes keyboard in XY plane reduce.The many Da of slimming keyboard join portable electronic devices and use, and the structure configuration with current slimming keyboard, need take large-area device and both be unfavorable for carrying, and is also unfavorable for using.
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 button mechanism, utilize keycap outer rim to form the start that keycap is restrained on inclined-plane, can decrease in the size of extended structure in XY plane, take into account slimming and the size Control in XY plane.
In order to achieve the above object, the present invention proposes a kind of press button mechanism, and this press button mechanism comprises base plate, keycap, framework and the active force source that makes progress.Keycap is arranged on this base plate and has around and be positioned at this first inclined-plane around, and this first inclined-plane upward; Framework is arranged on this base plate and has through-hole structure, and this through-hole structure has inner edge and is positioned at the 3rd inclined-plane of this inner edge, and the 3rd inclined-plane down and relative with this first inclined-plane; Upwards active force source is arranged between this base plate and this keycap, and upwards active force source can make this keycap move upward until being somebody's turn to do around of this keycap touch this framework, makes this keycap partly through this through-hole structure; Wherein, this first inclined-plane is overlapping in the projection section of this base plate in projection and the 3rd inclined-plane of this base plate, when this active force source that makes progress makes this keycap move up and approach this framework, when the 3rd inclined-plane contacts with this first inclined-plane, the central part skew of this keycap towards this through-hole structure guided on the 3rd inclined-plane.
As optional technical scheme, this framework comprises riveting column, the first extended structure extending along first axle and along the second extended structure of the second Axis Extension, this framework is fixedly connected with this base plate via this riveting column, this riveting column is positioned at this first extended structure and below, this second extended structure confluce, and wherein this first axle is vertical with this second axis.
As optional technical scheme, this of this keycap be around rectangle, and wherein this riveting column is close to the centre of this rectangular major axis side, and this keycap has breach in this major axis side, and this riveting column is through this breach.
As optional technical scheme, this keycap comprises and is positioned at this bead structure around, and this bead structure is between this framework and this base plate, and when this keycap moves up with respect to this base plate, this bead structure of this framework block departs from this framework to prevent this keycap.
As optional technical scheme, should be quadrangle around, this bead structure comprises four separated the first protuberances, and these four the first protuberances that separate are positioned at this tetragonal four corners accordingly.
As optional technical scheme, this of this keycap be around rectangle, and wherein this bead structure comprises the second protuberance, and this second protuberance is positioned at the centre of this rectangular major axis side.
As optional technical scheme, this framework comprises sunk structure, and this sunk structure is formed at this framework on the basal surface of this base plate, and when this bead structure of this framework block, this bead structure is placed in this sunk structure.
As optional technical scheme, should comprise a plurality of the first sections and a plurality of the second section around, these a plurality of first sections and this plurality of the second sections are crisscross arranged, and this bead structure is only formed in these a plurality of second sections, but this bead structure is not formed at this plurality of the first sections.
As optional technical scheme, this keycap has the first press section, this first press section is protruded stigma, this protruded stigma extends towards this base plate from the lower surface of this keycap, this keycap comprises diagonal ribs structure on this lower surface, this diagonal ribs structure extend in abutting connection with this keycap should around, this protruded stigma is positioned on the crosspoint of this diagonal ribs structure.
As optional technical scheme, this press button mechanism also comprises the first switch, and wherein this first switch is arranged between this keycap and this base plate, and this keycap has the first press section, when this keycap is when this base plate moves, this first press section is positioned at this first switch top.
As optional technical scheme, the surrounding of this keycap is rectangle, wherein this press button mechanism also comprises second switch, this second switch is arranged between this keycap and this base plate, this keycap has the second press section, when this keycap is when this base plate moves, this second press section is positioned at this second switch top.
As optional technical scheme, this first press section and the second press section are respectively a protruded stigma, each this protruded stigma extends towards this base plate from the lower surface of this keycap, this keycap comprises two diagonal ribs structures on this lower surface, these two diagonal ribs structures interconnect and extend in abutting connection with this keycap should around, two these protruded stigmas are positioned on two crosspoints of these two diagonal ribs structures accordingly, and the line in these two crosspoints is parallel to this rectangular major axis center line.
As optional technical scheme, upwards active force source is elastomer, and this keycap has press section, and this elastomer is kept in touch in this press section, and when this keycap is when this base plate moves, this elastomer is pushed in this press section.
As optional technical scheme, upwards active force source is a pair of mutually exclusive magnet, and this is separately positioned on this keycap and this base plate mutually exclusive magnet, and when this keycap is when this base plate moves, this is closer to each other to mutually exclusive magnet.
As optional technical scheme, this press button mechanism also comprises switch, wherein this switch is arranged between this keycap and this base plate, this keycap has press section, the first stroke is moved to trigger this switch towards this base plate in this press section, this keycap should around there is the first sidepiece and the second sidepiece of this first sidepiece relatively, when this first sidepiece and this second sidepiece all contact this framework, this second sidepiece is in home position, when this keycap tilts to press, this first sidepiece keep in touch this framework and this second sidepiece towards this base plate move until this second sidepiece in inclination pressing position, this second sidepiece moves the second stroke from this home position to this inclination pressing position, this the second stroke is greater than the twice of this first stroke.
As optional technical scheme, upwards active force source has upwards protruded stigma, and upwards protruded stigma extends towards this keycap, and the lower surface of this keycap has plane, upwards protruded stigma falls within this plane completely in the projection of this lower surface, and this projected size is less than this plane sizes.
As optional technical scheme, between this framework and this keycap, there is gap, this press button mechanism also comprises covering, and this covering extends this framework, this keycap and top, this gap.
Compared to prior art, press button mechanism of the present invention utilizes the inclined-plane of keycap to coordinate with the inclined-plane of through-hole structure inner edge, can produce the effect of restriction and stable keycap start, therefore the distance between keycap can relatively shorten; On the other hand, press button mechanism of the present invention also can expand the size of keycap under the constant condition of whole area occupied, is convenient to user's pressing operation.
In addition, the present invention also proposes a kind of keyboard, and this keyboard comprises press button mechanism, and this press button mechanism comprises base plate, keycap, framework and the active force source that makes progress.Keycap is arranged on this base plate and has around and be positioned at this first inclined-plane around, and this first inclined-plane upward; Framework is arranged on this base plate and has through-hole structure, and this through-hole structure has inner edge and is positioned at the 3rd inclined-plane of this inner edge, and the 3rd inclined-plane down and relative with this first inclined-plane; Upwards active force source is arranged between this base plate and this keycap, and upwards active force source can make this keycap move upward until being somebody's turn to do around of this keycap touch this framework, makes this keycap partly through this through-hole structure; Wherein, this first inclined-plane is overlapping in the projection section of this base plate in projection and the 3rd inclined-plane of this base plate, when this active force source that makes progress makes this keycap move up and approach this framework, when the 3rd inclined-plane contacts with this first inclined-plane, the central part skew of this keycap towards this through-hole structure guided on the 3rd inclined-plane.
As optional technical scheme, this framework comprises riveting column, the first extended structure extending along first axle and along the second extended structure of the second Axis Extension, this framework is fixedly connected with this base plate via this riveting column, this riveting column is positioned at this first extended structure and below, this second extended structure confluce, and wherein this first axle is vertical with this second axis.
As optional technical scheme, this of this keycap be around rectangle, and wherein this riveting column is close to the centre of this rectangular major axis side, and this keycap has breach in this major axis side, and this riveting column is through this breach.
As optional technical scheme, this keycap comprises and is positioned at this bead structure around, and this bead structure is between this framework and this base plate, and when this keycap moves up with respect to this base plate, this bead structure of this framework block departs from this framework to prevent this keycap.
As optional technical scheme, should be quadrangle around, this bead structure comprises four separated the first protuberances, and these four the first protuberances that separate are positioned at this tetragonal four corners accordingly.
As optional technical scheme, this of this keycap be around rectangle, and wherein this bead structure comprises the second protuberance, and this second protuberance is positioned at the centre of this rectangular major axis side.
As optional technical scheme, this framework comprises sunk structure, and this sunk structure is formed at this framework on the basal surface of this base plate, and when this bead structure of this framework block, this bead structure is placed in this sunk structure.
As optional technical scheme, should comprise a plurality of the first sections and a plurality of the second section around, these a plurality of first sections and this plurality of the second sections are crisscross arranged, and this bead structure is only formed in these a plurality of second sections, but this bead structure is not formed at this plurality of the first sections.
As optional technical scheme, this keycap has the first press section, this first press section is protruded stigma, this protruded stigma extends towards this base plate from the lower surface of this keycap, this keycap comprises diagonal ribs structure on this lower surface, this diagonal ribs structure extend in abutting connection with this keycap should around, this protruded stigma is positioned on the crosspoint of this diagonal ribs structure.
As optional technical scheme, this press button mechanism also comprises the first switch, and wherein this first switch is arranged between this keycap and this base plate, and this keycap has the first press section, when this keycap is when this base plate moves, this first press section is positioned at this first switch top.
As optional technical scheme, the surrounding of this keycap is rectangle, wherein this press button mechanism also comprises second switch, this second switch is arranged between this keycap and this base plate, this keycap has the second press section, when this keycap is when this base plate moves, this second press section is positioned at this second switch top.
As optional technical scheme, this first press section and the second press section are respectively a protruded stigma, each this protruded stigma extends towards this base plate from the lower surface of this keycap, this keycap comprises two diagonal ribs structures on this lower surface, these two diagonal ribs structures interconnect and extend in abutting connection with this keycap should around, two these protruded stigmas are positioned on two crosspoints of these two diagonal ribs structures accordingly, and the line in these two crosspoints is parallel to this rectangular major axis center line.
As optional technical scheme, upwards active force source is elastomer, and this keycap has press section, and this elastomer is kept in touch in this press section, and when this keycap is when this base plate moves, this elastomer is pushed in this press section.
As optional technical scheme, upwards active force source is a pair of mutually exclusive magnet, and this is separately positioned on this keycap and this base plate mutually exclusive magnet, and when this keycap is when this base plate moves, this is closer to each other to mutually exclusive magnet.
As optional technical scheme, this press button mechanism also comprises switch, wherein this switch is arranged between this keycap and this base plate, this keycap has press section, the first stroke is moved to trigger this switch towards this base plate in this press section, this keycap should around there is the first sidepiece and the second sidepiece of this first sidepiece relatively, when this first sidepiece and this second sidepiece all contact this framework, this second sidepiece is in home position, when this keycap tilts to press, this first sidepiece keep in touch this framework and this second sidepiece towards this base plate move until this second sidepiece in inclination pressing position, this second sidepiece moves the second stroke from this home position to this inclination pressing position, this the second stroke is greater than the twice of this first stroke.
As optional technical scheme, upwards active force source has upwards protruded stigma, and upwards protruded stigma extends towards this keycap, and the lower surface of this keycap has plane, upwards protruded stigma falls within this plane completely in the projection of this lower surface, and this projected size is less than this plane sizes.
As optional technical scheme, between this framework and this keycap, there is gap, this press button mechanism also comprises covering, and this covering extends this framework, this keycap and top, this gap.
As optional technical scheme, this framework has the first through-hole structure and the second through-hole structure, and this riveting column is between this first through-hole structure and this second through-hole structure.
Compared to prior art, keyboard of the present invention utilizes the inclined-plane of keycap in press button mechanism to coordinate with the inclined-plane of through-hole structure inner edge, can produce the effect of restriction and stable keycap start, therefore the distance between keycap can relatively shorten; On the other hand, keyboard of the present invention also can expand the size of keycap under the constant condition of whole area occupied, is convenient to user's pressing operation.
Below in conjunction with the drawings and specific embodiments, describe the present invention, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the press button mechanism of the first embodiment of the present invention;
Fig. 2 is the explosive view of press button mechanism in Fig. 1;
Fig. 3 is the profile of press button mechanism W-W along the line in Fig. 1;
Fig. 4 is the profile of press button mechanism V-V along the line in Fig. 1;
Fig. 5 is that the framework of press button mechanism in Fig. 1 is in the schematic diagram at another visual angle;
Fig. 6 is that the keycap of press button mechanism in Fig. 1 is in the schematic diagram at another visual angle;
Fig. 7 is the schematic diagram that the keycap of press button mechanism in Fig. 1 tilts to rise;
Fig. 8 is the schematic diagram that the keycap of press button mechanism in Fig. 1 tilts to decline;
Fig. 9 is according to the profile of the press button mechanism of another embodiment;
Figure 10 is according to the profile of the press button mechanism of another embodiment;
Figure 11 is the explosive view of press button mechanism according to a second embodiment of the present invention;
Figure 12 is that the keycap of press button mechanism in Figure 11 is in the schematic diagram at another visual angle;
Figure 13 is the explosive view of the press button mechanism of a third embodiment in accordance with the invention;
Figure 14 is that the keycap of press button mechanism in Figure 13 is in the schematic diagram at another visual angle;
Figure 15 is the schematic diagram of the keyboard of a fourth embodiment in accordance with the invention;
Figure 16 is the explosive view of keyboard in Figure 15;
Figure 17 is the profile of the keyboard press button mechanism that comprises one deck covering embodiment.
Embodiment
Refer to Fig. 1 and Fig. 2, Fig. 1 is according to the schematic diagram of the press button mechanism 1 of the first embodiment of the present invention, and Fig. 2 is the explosive view of press button mechanism 1.Press button mechanism 1 comprises base plate 10, film circuit board 12, keycap 14, framework 16 and the active force source 18 that makes progress, and base plate 10, film circuit board 12, keycap 14, framework 16 and the active force source 18 that makes progress are stacked.Wherein, film circuit board 12 is arranged between base plate 10 and keycap 14 and comprises switch 122 (with shadow wire frame representation), keycap 14 and framework 16 are all arranged on base plate 10 and film circuit board 12, framework 16 has through-hole structure 162, the corresponding through-hole structure 162 of keycap 14 arranges, and upwards 18 pairs, active force source inductive switch 122 is arranged on base plate 10 and film circuit board 12 and under keycap 14.
Please also consult Fig. 3 to Fig. 6, Fig. 3 be press button mechanism 1 along the profile of Fig. 1 center line W-W, Fig. 4 be press button mechanism 1 along the profile of Fig. 1 center line V-V, Fig. 5 be framework 16 in the schematic diagram at another visual angle, Fig. 6 is that keycap 14 is in the schematic diagram at another visual angle.Keycap 14 has around 14a and is positioned at the first inclined-plane 14b of 14a around, and through-hole structure 162 has inner edge 162a and is positioned at the 3rd inclined-plane 162b of inner edge 162a.With the visual angle of Fig. 1, upward, down, the 3rd inclined-plane 162b is relative with the first inclined-plane 14b for the 3rd inclined-plane 162b for the first inclined-plane 14b.Keycap 14 comprises and is positioned at the bead structure 142 of 14a around, and bead structure 142 comprises four protuberances that separate 1422, outwards outstanding from the first 14b edge, inclined-plane.Framework 16 comprises sunk structure 164, is formed at framework 16 upper towards the basal surface 16a of base plate 10, and the corresponding protuberance 1422 of sunk structure 164 comprises four depressed parts that separate 1642.Framework 16 integral body are roughly frame structure, and it comprises two X-axis extended structures 168 and two Y-axis extended structures 170.Framework 16 comprises four riveting columns 166, is positioned at the below, confluce of X-axis extended structure 168 and Y-axis extended structure 170 and extends towards base plate 10 from confluce.In the present embodiment, the corresponding riveting column 166 of base plate 10 comprises four riveted joint platforms 102, riveting column 166 contacts and passes the through hole of corresponding riveted joint platform 102, riveting column 166 ends for example, after machining deformation (heat is melted or crimp), as being represented by dotted lines its distortion rear profile in Fig. 3, framework 16 is fixedly connected with base plate 10 via riveting column 166, and film circuit board 12 is also folded between framework 16 and base plate 10.
In the present embodiment, upwards active force source 18 is elastomer, and for example round metal prominent (metal dome), can provide strain.Keycap 14 comprises diagonal ribs structure 144 and press section 146 in its lower surface 14c, the 14a of surrounding that diagonal ribs structure 144 is extended in abutting connection with keycap 14, in practical operation, press section 146 can be protruded stigma, and it is positioned on the crosspoint of diagonal ribs structure 144 and towards base plate 10 and extends.Press section 146 is positioned at upwards 18 tops, active force source, and upwards active force source 18 is positioned at switch 122 tops, that is press section 146 is positioned at switch 122 tops, therefore when user applies pressed by external force keycap 14, keycap 14 moves down (or call in vertical direction D1 and move towards base plate 10), press section 146 extruding upwards active force source 18 make to make progress active force source 18 strains with energy trigger switch 122, wherein, in Fig. 3 and Fig. 4, with dotted line, illustrate the keycap 14 after pressing and the active force source 18 that makes progress.Wherein the corresponding protuberance 1422 of base plate 10 has a plurality of hollow outs 104, the corresponding protuberance 1422 of film circuit board 12 has a plurality of hollow outs 124, make when keycap 14 moves down, protuberance 1422 can not produce constructive interference phenomenon with base plate 10 and film circuit board 12.When this external force removes, the upwards active force source 18 of strain utilize the elastic-restoring force of its storage so that keycap 14 moves upward (or for moving away from base plate 10 in vertical direction D1) until the 14a of surrounding of keycap 14 touches framework 16, make keycap 14 parts through through-hole structure 162, as shown in solid line in Fig. 3 and Fig. 4.
Furthermore, the first inclined-plane 14b, the 3rd inclined-plane 162b are overlapping in the projection section of base plate 10, that is while overlooking press button mechanism 1 by top, the first inclined-plane 14b part is hidden by the 3rd inclined-plane 162b, therefore when keycap 14 moves upward, the 3rd inclined-plane 162b has contained effect to the first inclined-plane 14b.In addition, bead structure 142 between framework 16 and base plate 10, when keycap 14 moves upward, framework 16 also can block bead structure 142 to move upward contained to keycap 14.In the present embodiment, after keycap 14 rises (as shown in solid line in Fig. 3 and Fig. 4), the protuberance 1422 of bead structure 142 can be placed in the corresponding depressed part 1642 of sunk structure 164.Therefore, the 3rd inclined-plane 162b, framework 16 (sunk structure 164) all have and prevent that keycap 14 from departing from the effect of frameworks 16, also all has the effect of location keycap 14.
In addition, when the 3rd inclined-plane 162b of framework 16 and the first inclined-plane 14b of keycap 14 contact, the active force that 16 pairs of keycaps of framework 14 produce is oblique (with respect to vertical direction D1), that is keycap 14 in the vertical direction D1 and horizontal direction D2 all stressed.Refer to Fig. 7, it is the schematic diagram that keycap 14 tilts to rise, and its profile position is identical with Fig. 4.In the 14 resilience starts of actual keycap, keycap 14 may not can maintenance level rise, but due to the 3rd inclined-plane 162b of the through-hole structure 162 contained effect to the first inclined-plane 14b of keycap 14, even if moving up obliquely, keycap 14 approaches framework 16 (still by the upwards resilience force effect in active force source 18), a side of the first inclined-plane 14b first contacts the 3rd inclined-plane 162b (as shown in solid line in figure), the 3rd inclined-plane 162b can guide the central part skew of keycap 14 towards through-hole structure 162, and then make keycap 14 finally still can get back to the position (as shown in phantom in FIG.) of former beginning and end while being pressed.Therefore, see through the first inclined-plane 14b, the 3rd inclined- plane 162b, 16 pairs of keycaps 14 of framework all have structure to restrain effect in vertical direction D1 and horizontal direction D2.In practical operation, bead structure 142 (restraining of keycap 14 vertical direction D1 is provided) also can be omitted.
In addition,, when keycap 14 is pressed, press section 146 need be towards base plate 10 shift motion L1 (as shown in Figures 3 and 4) with trigger switch 122; If press section 146 is less than the trip L1 towards base plate 10 amount of movements, trigger switch 122 successfully; But in the start of pressing keycap 14 of reality, keycap 14 also may not can maintenance level decline.Refer to Fig. 8, it is the schematic diagram that keycap 14 tilts to decline, and its profile position is identical with Fig. 3.With the visual angle in Fig. 8, around 14a has two relative sidepiece 14d, 14e in the left and right sides, is equivalent to protuberance 1422.When (as shown in phantom in FIG.) keycap 14 is not pressed, the equal contact frame 16 of sidepiece 14d, 14e, sidepiece 14e is in a home position.When keycap 14 is pressed and tilts to decline (as shown in solid line in figure), sidepiece 14d keeps in touch framework 16, sidepiece 14e towards base plate 10 move until sidepiece 14e in an inclination pressing position, sidepiece 14e from this home position to this inclination pressing position shift motion L2, because press section 146 is roughly positioned at keycap 14 middle positions, also be positioned at sidepiece 14d, 1/2 distance in the middle of 14e, for making effectively trigger switch 122 of press section 146, stroke L2 must be designed to the rough twice that equals stroke L1, so can guarantee that press section 146 amount of movements that are positioned at keycap 14 middle positions are at least greater than stroke L1.
What remark additionally is, in the present embodiment, the main contained position-limiting action reaching keycap 14 extreme higher positions that sees through 16 pairs of bead structures 142 of framework, therefore when bead structure 142 enters after sunk structure 164, between the first inclined-plane 14b of keycap 14 and the 3rd inclined-plane 162b of framework 16, there is gap, as shown in Figure 3, but the present invention not as limit.In practical operation, keycap 14 also can not contain bead structure 142, and now, the structure between the first inclined-plane 14b, the 3rd inclined-plane 162b is restrained effect and still can effectively be brought into play keycap 14 in the position-limiting action of extreme higher position.In addition, in the situation that tilts to press in keycap shown in Fig. 8 14, its sidepiece 14d, 14e are protuberance 1422, and when keycap 14 does not contain bead structure 142, aforementioned sidepiece 14d, 14e are implemented by 14a around the keycap 14 at the first 14b place, inclined-plane, needless to say repeat.
In addition, in the present embodiment, bead structure 142 does not all form in whole 14a around.As shown in Figure 6, keycap 14 around 14a is quadrangle (for example square) haply, around 14a comprises a plurality of the first section 140a and a plurality of the second section 140b, the first section 140a and the second section 140b are crisscross arranged, wherein the second section 140b is positioned at this tetragonal four corners, in the present embodiment, 142, bead structure is formed in the second section 140b, but bead structure 142 is not formed at the first section 140a, that is protuberance 1422 is positioned at this tetragonal four corners accordingly, with helping the effect that keycap 14 starts are stable and space effectively utilizes.In the present embodiment, riveting column 166 also corresponding keycap 14 around arranges in four corners of 14a, similarly with being beneficial to the effect that structure is fixed and space effectively utilizes.
Supplementary notes is again, in the present embodiment, upwards active force source 18 usings that the mode of contact supports keycap 14 and as the entity medium of press section 146 trigger switches 122, that is in keycap 14 start processes, this elastomer is kept in touch in press section 146, when keycap 14 is when base plate 10 moves, press section 146 these elastomers of extruding, and then trigger switch 122.But the present invention is not as limit.Refer to Fig. 9, it is that its profile position is identical with Fig. 4 according to the profile of the press button mechanism 3 of another embodiment.Press button mechanism 3 is roughly the same with press button mechanism 1, therefore press button mechanism 3 is still continued to use the element numbers of press button mechanism 1, about other explanation of press button mechanism 3, please directly consults the related description of press button mechanism 1, does not separately repeat.Press button mechanism 3 is that with press button mechanism 1 main difference part the upwards active force source 38 of press button mechanism 3 is multipair mutually exclusive magnet 382,384, is separately positioned on keycap 14 and base plate 10.When keycap 14 is when base plate 10 moves, this is closer to each other to mutually exclusive magnet 382,384, and the repulsion producing is to each other increased; When pressing the external force disappearance of keycap 14, this repulsion can order about keycap 14 and move away from base plate 10.What remark additionally is, because not having in press button mechanism 3, round metal is prominent to be placed between switch 122 and press section 346, in practical operation, the outstanding length in press section 346 of the keycap 34 of press button mechanism 3 can be slightly longer than the press section 146 in press button mechanism 1, in order to compensate the prominent thickness of round metal, to maintain identical touch-control stroke (as aforementioned stroke L1), but the present invention is not as limit.For example, do not considering under the situation of constructive interference, even if use keycap 14 in press button mechanism 3, the strength of pressing that user can be larger makes keycap 14 continue to move towards base plate 10, until press section 146 contact trigger switches 122.
In addition, in press button mechanism 1, keycap 14 sees through outstanding press section 146 extruding upwards active force source 18 (for example round metal is prominent), but the present invention is not as limit.Refer to Figure 10, it is that its profile position is identical with Fig. 4 according to the profile of the press button mechanism 4 of another embodiment.Press button mechanism 4 is roughly the same with press button mechanism 1, therefore press button mechanism 4 is still continued to use the element numbers of press button mechanism 1, about other explanation of press button mechanism 4, please directly consults the related description of press button mechanism 1, does not separately repeat.Press button mechanism 4 is that with press button mechanism 1 main difference part the keycap 44 of press button mechanism 4 does not have press section, and keycap 44 directly sees through upwards active force source 48 of its lower surface 44c extruding.In the present embodiment, upwards active force source 48 comprises elastic body 482 and the protruded stigma 484 that makes progress, and upwards the central peak of protruded stigma 484 own elasticity bodies 482 extends towards keycap 44, and upwards active force source 48 can be made by elastic silica gel injection molding or metal stamping.The lower surface 44c of keycap 44 has plane 440, keycap 44 can be understood keycap 14 removal press sections 146 as shown in Figure 6, the plane that wherein crosspoint of diagonal ribs structure 144 presents can be used as the plane 440 of keycap 44, but in practical operation, keycap 44 can directly be used the structure that its whole lower surface 44c is plane (that is not having diagonal ribs structure 144).Upwards protruded stigma 484 falls within plane 440 completely in the projection of lower surface 44c, and this projected size is less than plane 440 sizes; In other words, even when keycap 44 is offset to some extent with respect to the protruded stigma 484 that makes progress, for example, when the skew of keycap 44 occurred level direction D2 in production and assembly process arranges, keycap 44 lower surface 44c still can keep uniform distances with protruded stigma 484 upwards, so keycap 44 can: (1) is extruding protruded stigma 484 and then be pressed into elastic body's 482 middle positions and make strain with trigger switch 122 upwards effectively; And the amount of force that (2) upwards active force source 48 offers keycap 44 is consistent, and can and not change because of the skew of keycap left and right.
Refer to Figure 11 and Figure 12, Figure 11 is the explosive view of press button mechanism 5 according to a second embodiment of the present invention, and Figure 12 is that the keycap 54 of press button mechanism 5 is in the schematic diagram at another visual angle.Press button mechanism 5 is roughly the same with the structure of press button mechanism 1, and in logic, press button mechanism 5 can be considered two press button mechanism 1 structures and is integrated into single multiple push-button mechanism, as: space bar, SHIFT key.Similarly, press button mechanism 5 comprises base plate 50, film circuit board 52, keycap 54, framework 56 and the active force source 58 that makes progress, base plate 50, film circuit board 52, keycap 54, framework 56 and the active force source 58 that makes progress are stacked, and wherein, film circuit board 52 is arranged between base plate 50 and keycap 54.Because press button mechanism 5 is longer, for making the keycap 54 can more effective trigger switch, film circuit board 52 comprises two switch 522a, 522b (with shadow wire frame representation), keycap 54 and framework 56 are all arranged on base plate 50 and film circuit board 52, framework 56 has through-hole structure 562, the corresponding through-hole structure 562 of keycap 54 arranges, upwards active force source 58 for example,, by two elastomer 58a, 58b (round metal is prominent) implementation, is arranged on base plate 50 and film circuit board 52 and under keycap 54 inductive switch 522a, 522b.The corresponding elastomer 58a of keycap 54,58b have two press section 546a, 546b, and in practical operation, press section 546a, 546b can be protruded stigma, from the lower surface 54c of keycap 54, towards base plate 50, extend.Keycap 54 comprises two diagonal ribs structure 544a, 544b on lower surface 54c, these two diagonal ribs structure 544a, 544b interconnects and extend the 54a of surrounding in abutting connection with keycap 54, and press section 546a, 546b are positioned on two crosspoints of two diagonal ribs structure 544a, 544b accordingly.The 54a of surrounding of keycap 54 is rectangle haply, and the line in these two crosspoints is parallel to this rectangular major axis center line (being represented by dotted lines in Figure 12).Press section 546a, 546b are positioned at switch 522a, 522b top accordingly.When keycap 54 is pressed and when base plate 50 moves, no matter be that level presses down or tilts to press down keycap 54, at least one of them pushes corresponding elastomer 58a or 58b and makes the elastomer 58a that is extruded or 58b strain can trigger corresponding switch 522a or 522b for press section 546a, 546b.In addition, compared to press button mechanism 1, press button mechanism 5 profiles are longer, therefore use more riveting column 566, the centre of two riveting columns, 566 contiguous these rectangular two major axis side 54d wherein, keycap 54 respectively has breach 54b in these 2 two major axis side 54d, aforementioned two riveting columns 166 are through these two breach 54b, by this, riveting column 166 can more approach keycap 54 and fixed frame 56 and base plate 50, make press button mechanism 5 more firm near the structure of keycap 54, and then make the start of keycap 54 more stable.The related description of please directly consulting press button mechanism 1 name same components about other explanation of press button mechanism 5 each assemblies, does not separately repeat.In addition, the press button mechanism 5 that is illustrated in that changes aspect about press button mechanism 1 also has applicablely, does not also separately repeat.
Refer to Figure 13 and Figure 14, the explosive view of the press button mechanism 6 that Figure 13 is a third embodiment in accordance with the invention, Figure 14 is that the keycap 64 of press button mechanism 6 is in the schematic diagram at another visual angle.Press button mechanism 6 is roughly the same with the structure of press button mechanism 1, and in logic, press button mechanism 6 can be considered three press button mechanism 1 structures and is integrated into one key mechanism.Similarly, press button mechanism 6 comprises base plate 60, film circuit board 62, keycap 64, framework 66 and the active force source 68 that makes progress, base plate 60, film circuit board 62, keycap 64, framework 66 and the active force source 68 that makes progress are stacked, and wherein, film circuit board 62 is arranged between base plate 60 and keycap 64.Because press button mechanism 5 is longer, for making the keycap 54 can more effective trigger switch, film circuit board 62 comprises three switch 622a, 622b, 622c (with shadow wire frame representation), keycap 64 and framework 66 are all arranged on base plate 60 and film circuit board 62, framework 66 has through-hole structure 662, the corresponding through-hole structure 662 of keycap 64 arranges, in practical operation, upwards active force source 68 can be three elastomer 68a, 68b, 68c (for example round metal is prominent), and inductive switch 622a, 622b, 622c are arranged on base plate 60 and film circuit board 62 and under keycap 64.The corresponding elastomer 68a of keycap 64,68b, 68c have three press section 646a, 646b, 646c, and in practical operation, three press section 646a, 646b and 646c can be protruded stigma, and extend towards base plate 60 from the lower surface 64c of keycap 64.Keycap 64 comprises three diagonal ribs structure 644a, 644b, 644c on lower surface 64c, these three diagonal ribs structure 644a, 644b, 644c interconnect and extend the 64a of surrounding in abutting connection with keycap 64, and press section 646a, 646b, 646c are positioned on three crosspoints of three diagonal ribs structure 644a, 644b, 644c accordingly.The 64a of surrounding of keycap 64 is rectangle haply, and the line in these three crosspoints is parallel to this rectangular major axis center line (being represented by dotted lines in Figure 14).When keycap 64 is pressed and when base plate 60 moves, no matter be that level presses down or tilts to press down keycap 64, at least one of them pushes corresponding elastomer 68a, 68b or 68c and makes the elastomer 68a, the 68b that are extruded or 68c strain can trigger corresponding switch 622a, 622b or 622c for press section 646a, 646b, 646c.In addition, suitable with press button mechanism 5, compared to press button mechanism 1, press button mechanism 6 profiles are also longer, thus also use more riveting column 666, to increase the steadiness of press button mechanism 6 integral body; And the protuberance 6422 of the bead structure 642 of keycap 64 is not only arranged at four corners of 64a around, be also arranged at the centre of this rectangular major axis side 64d, with the contained effect of 66 pairs of keycap 64 structures of lift frame.The related description of please directly consulting press button mechanism 1 name same components about other explanation of press button mechanism 6 each assemblies, does not separately repeat.In addition, the press button mechanism 6 that is illustrated in that changes aspect about press button mechanism 1 also has applicablely, does not also separately repeat.
Refer to Figure 15 and Figure 16, the schematic diagram of the keyboard 7 that Figure 15 is a fourth embodiment in accordance with the invention, Figure 16 is the explosive view of keyboard 7.Keyboard 7 comprises base plate 70, film circuit board 72, six keycap 74a, 74b, 74c, framework 76 and six make progress active force source 78a, 78b, 78c, wherein keycap 74a is singly-bound keycap, keycap 74b, 74c are multiple key keycap, upwards active force source 78a, 78b, 78c form (for example round metal is prominent) by elastomer, in practical operation, upwards active force source 78a can form by a round metal is prominent, upwards active force source 78b can form by two round metal are prominent, and upwards active force source 78c can form by three round metal are prominent.Base plate 70, film circuit board 72, keycap 74a, 74b, 74c, framework 76 and upwards active force source 78a, 78b, 78c are stacked, film circuit board 72 is arranged between base plate 70 and keycap 74a, 74b, 74c, framework 76 has six through-hole structure 762a, 762b, 762c, the corresponding keycap 74a of difference, 74b, 74c, make keycap 74a, 74b, 74c partly through through-hole structure 762a, 762b, 762c, for using pressing operation.In addition, for making on can be the stably corresponding switch 722 that is arranged at film circuit board 72 of active force source 78a upwards, 78b, 78c (in Figure 16 with its position of empty wire frame representation), keyboard 7 also comprises glued membrane 80, upwards active force source 78a, 78b, 78c are first attached on glued membrane 80, be stacked on again on film circuit board 72, so a plurality of round metal of disperseing are dashed forward and are integrated into solid memder, can significantly improve assembling production efficiency; And it is fixing to use glued membrane 80 to paste, even if make keyboard 7 after long-time use, upwards active force source 78a, 78b, 78c still can keep with the relative position of corresponding switch 722.Generally, keyboard 7 has four singly-bounds, two times of length buttons and a triple-length button, and in logic, keyboard 7 can be considered the combination by four press button mechanisms 1, a press button mechanism 5 and a press button mechanism 6.The related description that refers to (comprising structural detail explanation, keystroke driving and structural change aspect etc.) aforementioned each embodiment about other explanation of keyboard 7, does not separately repeat.Relatively, when understanding the architectural feature of press button mechanism 1,5,6, also can consult the dependency structure feature that Figure 15 and Figure 16 show.
What remark additionally is, in press button mechanism 1,5,6, because it is singly-bound structure, therefore only needing to be positioned at mechanism's peripheral part, its riveting column 166,566,666 can make stabilized structure, but in keyboard 7, framework 76 is relatively large, and keycap 74a, 74b, the 74c of distribution a greater number, therefore framework 76 is also used riveting column 766 with the middle part of base plate 70, especially (or calling between keycap 74a, 74b, 74c) between through-hole structure 762a, 762b, 762c.In addition, in keyboard 7, framework 76 still comprises two reference columns 768, base plate 70 and film circuit board 72 comprise respectively two location holes 702,724 accordingly, see through coordinating of reference column 768 and location hole 702,724, facilitate keyboard 7 to assemble, though make keyboard 7 comprise a plurality of buttons, structural volume is relatively huge, but still can keep suitable assembly precision, makes each keystroke driving normal.In addition, keycap 74a, the 74b of keyboard 7,74c take to arrange quite closely, space between keycap 74a, 74b, 74c is narrow, therefore riveting column 766 is arranged on relatively broad place, space, for example the corner of through-hole structure 762a, 762b, 762c (or call corresponding keycap 74a, 74b, 74c corner).In addition, reason based on similar, the bead structure of keycap 74a, 74b, 74c (can with reference to above in bead structure 142) is also arranged at the corner (being the corner of corresponding through-hole structure 762a, 762b, 762c) of keycap 74a, 74b, 74c, the impact of the sunk structure (can with reference to above in sunk structure 164) that can reduce accommodating bead structure on framework 76 structural rigidities.
Refer to Figure 17, between the framework 76 of keyboard 7 and the first keycap 74a, the second keycap 74b and the 3rd keycap 74c, there is respectively the first gap 74m, the second gap 74n and the 3rd gap 74o.This keyboard 7 more comprises one deck covering 79, covering 79 two ends are arranged at keyboard 7 periphery 7a, and covering 79 extends framework 76, the first keycap 74a, the second keycap 74b, the 3rd keycap 74c, the first gap 74m, the second gap 74n and the 3rd gap 74o top, so make covering 79 can cover the first gap 74m, the second gap 74n and the 3rd gap 74o.When keyboard 7 is illuminated keyboard, covering 79 can effectively stop the light leak in gap between above-mentioned keycap framework; Simultaneously by material pattern or the lines of selecting above-mentioned covering 79, can change the contact feel of user's operation keyboard 7 or in order to change the visual appearance of keyboard 7.
Compared to prior art, press button mechanism of the present invention and keyboard utilize the inclined-plane of keycap in press button mechanism to coordinate with the inclined-plane of through-hole structure inner edge, can produce the effect of restriction and stable keycap start, therefore the distance between keycap can relatively shorten; On the other hand, press button mechanism of the present invention and keyboard also can expand the size of keycap under the constant condition of whole area occupied, are convenient to user's pressing operation.
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 (19)
1. a press button mechanism, is characterized in that this press button mechanism comprises:
Base plate;
Keycap, is arranged on this base plate and has around and be positioned at this first inclined-plane around, and this first inclined-plane upward;
Framework, is arranged on this base plate and has through-hole structure, and this through-hole structure has inner edge and is positioned at the 3rd inclined-plane of this inner edge, and the 3rd inclined-plane down and relative with this first inclined-plane; And
Upwards active force source, is arranged between this base plate and this keycap, and upwards active force source can make this keycap move upward until being somebody's turn to do around of this keycap touch this framework, makes this keycap partly through this through-hole structure;
Wherein, this first inclined-plane is overlapping in the projection section of this base plate in projection and the 3rd inclined-plane of this base plate, when this active force source that makes progress makes this keycap move up and approach this framework, when the 3rd inclined-plane contacts with this first inclined-plane, the central part skew of this keycap towards this through-hole structure guided on the 3rd inclined-plane.
2. press button mechanism according to claim 1, it is characterized in that: this framework comprises riveting column, X-axis extended structure and Y-axis extended structure, this framework is fixedly connected with this base plate via this riveting column, and this riveting column is positioned at this X-axis extended structure and below, this Y-axis extended structure confluce.
3. press button mechanism according to claim 2, is characterized in that: this keycap should be around rectangle, the centre of contiguous this rectangular major axis side of this riveting column wherein, this keycap has breach in this major axis side, this riveting column is through this breach.
4. press button mechanism according to claim 1, it is characterized in that: this keycap comprises and is positioned at this bead structure around, this bead structure is between this framework and this base plate, when this keycap moves up with respect to this base plate, this bead structure of this framework block departs from this framework to prevent this keycap.
5. press button mechanism according to claim 4, is characterized in that: should be quadrangle around, this bead structure comprises four separated the first protuberances, and these four the first protuberances that separate are positioned at this tetragonal four corners accordingly.
6. press button mechanism according to claim 4, is characterized in that: being somebody's turn to do of this keycap is around rectangle, and wherein this bead structure comprises the second protuberance, and this second protuberance is positioned at the centre of this rectangular major axis side.
7. press button mechanism according to claim 4, is characterized in that: this framework comprises sunk structure, and this sunk structure is formed at this framework on the basal surface of this base plate, and when this bead structure of this framework block, this bead structure is placed in this sunk structure.
8. press button mechanism according to claim 4, it is characterized in that: should comprise a plurality of the first sections and a plurality of the second section around, these a plurality of first sections and this plurality of the second sections are crisscross arranged, this bead structure is only formed in these a plurality of second sections, but this bead structure is not formed at this plurality of the first sections.
9. press button mechanism according to claim 1, it is characterized in that: this keycap has the first press section, this first press section is protruded stigma, this protruded stigma extends towards this base plate from the lower surface of this keycap, this keycap comprises diagonal ribs structure on this lower surface, this diagonal ribs structure extend in abutting connection with this keycap should around, this protruded stigma is positioned on the crosspoint of this diagonal ribs structure.
10. press button mechanism according to claim 1, it is characterized in that: this press button mechanism also comprises the first switch, wherein this first switch is arranged between this keycap and this base plate, this keycap has the first press section, when this keycap is when this base plate moves, this first press section is positioned at this first switch top.
11. press button mechanisms according to claim 10, it is characterized in that: the surrounding of this keycap is rectangle, wherein this press button mechanism also comprises second switch, this second switch is arranged between this keycap and this base plate, this keycap has the second press section, when this keycap is when this base plate moves, this second press section is positioned at this second switch top.
12. press button mechanisms according to claim 11, it is characterized in that: this first press section and the second press section are respectively a protruded stigma, each this protruded stigma extends towards this base plate from the lower surface of this keycap, this keycap comprises two diagonal ribs structures on this lower surface, these two diagonal ribs structures interconnect and extend in abutting connection with this keycap should around, two these protruded stigmas are positioned on two crosspoints of these two diagonal ribs structures accordingly, and the line in these two crosspoints is parallel to this rectangular major axis center line.
13. press button mechanisms according to claim 1, is characterized in that: upwards active force source is elastomer, and this keycap has press section, and this elastomer is kept in touch in this press section, and when this keycap is when this base plate moves, this elastomer is pushed in this press section.
14. press button mechanisms according to claim 1, it is characterized in that: upwards active force source is a pair of mutually exclusive magnet, this is separately positioned on this keycap and this base plate mutually exclusive magnet, and when this keycap is when this base plate moves, this is closer to each other to mutually exclusive magnet.
15. press button mechanisms according to claim 1, it is characterized in that: this press button mechanism also comprises switch, wherein this switch is arranged between this keycap and this base plate, this keycap has press section, the first stroke is moved to trigger this switch towards this base plate in this press section, this keycap should around there is the first sidepiece and the second sidepiece of this first sidepiece relatively, when this first sidepiece and this second sidepiece all contact this framework, this second sidepiece is in home position, when this keycap tilts to press, this first sidepiece keep in touch this framework and this second sidepiece towards this base plate move until this second sidepiece in inclination pressing position, this second sidepiece moves the second stroke from this home position to this inclination pressing position, this the second stroke is greater than the twice of this first stroke.
16. press button mechanisms according to claim 1, it is characterized in that: upwards active force source has upwards protruded stigma, upwards protruded stigma extends towards this keycap, the lower surface of this keycap has plane, upwards protruded stigma falls within this plane completely in the projection of this lower surface, and this projected size is less than this plane sizes.
17. press button mechanisms according to claim 1, is characterized in that: between this framework and this keycap, have gap, this press button mechanism also comprises covering, and this covering extends this framework, this keycap and top, this gap.
18. 1 kinds of keyboards, is characterized in that this keyboard comprises the press button mechanism as described in any one in claim 1 to 17.
19. keyboards according to claim 18, is characterized in that: this framework has the first through-hole structure and the second through-hole structure, and this riveting column is between this first through-hole structure and this second through-hole structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310653861.5A CN103681064A (en) | 2013-12-06 | 2013-12-06 | Key mechanism and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310653861.5A CN103681064A (en) | 2013-12-06 | 2013-12-06 | Key mechanism and keyboard |
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| CN103681064A true CN103681064A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310653861.5A Pending CN103681064A (en) | 2013-12-06 | 2013-12-06 | Key mechanism and keyboard |
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| CN106601527A (en) * | 2016-11-11 | 2017-04-26 | 苏州达方电子有限公司 | Keyboard structure and assembling method thereof |
| CN106952768A (en) * | 2016-01-06 | 2017-07-14 | 华清秀 | Luminous key module |
| CN107272914A (en) * | 2017-05-19 | 2017-10-20 | 联想(北京)有限公司 | Keyboard and electronic equipment |
| CN107958807A (en) * | 2017-11-13 | 2018-04-24 | 苏州达方电子有限公司 | Button |
| CN114203472A (en) * | 2020-09-17 | 2022-03-18 | 富泰华工业（深圳）有限公司 | Keyboard with a keyboard body |
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Application publication date: 20140326 |