CN109036889A - Press-key structure - Google Patents
Press-key structure Download PDFInfo
- Publication number
- CN109036889A CN109036889A CN201810209664.7A CN201810209664A CN109036889A CN 109036889 A CN109036889 A CN 109036889A CN 201810209664 A CN201810209664 A CN 201810209664A CN 109036889 A CN109036889 A CN 109036889A
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- CN
- China
- Prior art keywords
- press
- key structure
- articulated
- articulated 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.)
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Classifications
-
- 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
- H01H13/02—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
- H01H2227/00—Dimensions; Characteristics
- H01H2227/028—Key stroke
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
Abstract
The present invention discloses a kind of press-key structure comprising keycap, pin connected assembly, the first supporting element, the second supporting element, adsorbable part and magnetic element.Pin connected assembly is set to the lower section of keycap, and pin connected assembly includes one first articulated part and one second articulated part.First articulated part has a first axle fixed part and a first connecting portion.Second articulated part has one second axis fixed part and a second connecting portion, wherein first connecting portion is engaged with second connecting portion to form an axis, and first articulated part and the second articulated part using axis as center relative rotation, axis is located between first axle fixed part and the second axis fixed part.First supporting element and one second supporting element are respectively coupled to the both ends of first axle fixed part and the both ends of the second axis fixed part.Adsorbable part is set to the second articulated part.Magnetic element is corresponding to be located at below adsorbable part.Press-key structure of the invention reduces pressing stroke, and can improve sensitivity.
Description
Technical field
The invention relates to a kind of press-key structures, and in particular to the key of a kind of lightweight, thin type design
Structure.
Background technique
Known press-key structure provides an elastic-restoring force of keycap using elastic component, and supports key with scissor leg structure
Cap makes keycap that can return back to the position before pressing.However, scissor leg structure assembling is not easy, and pressing stroke is higher, and discomfort shares
In thinning keyboard.Meanwhile when being pressed by cap, lower pressure need to be reached to the film made with the double-deck route by elastic component
On circuit board, if lower pressure is too small will to be not easy to make the double-deck wiring circuit contact, therefore sensitivity is poor.In addition, known press-key structure exists
It can not be stored when non-working condition to lower structure height, emphasize today of ultrathin in portable computer, it is necessary to develop
New press-key structure is to reduce the integral thickness of portable computer.
Summary of the invention
The invention relates to a kind of press-key structures, design towards lightweight, thin type, to reduce pressing stroke, and energy
Improve sensitivity.
According to an aspect of the invention, it is proposed that a kind of press-key structure, including a keycap, a pin connected assembly, one first support
Part, one second supporting element, an adsorbable part and a magnetic element.Pin connected assembly is set to the lower section of keycap, pin connected assembly packet
Include one first articulated part and one second articulated part.First articulated part has a first axle fixed part and a first connecting portion.The
Two articulated parts have one second axis fixed part and a second connecting portion, and wherein first connecting portion is engaged with second connecting portion with shape
At an axis, and the first articulated part and the second articulated part be using axis as center relative rotation, axis be located at first axle fixed part with
Between second axis fixed part.First supporting element and one second supporting element are respectively coupled to both ends and the second axis of first axle fixed part
The both ends of fixed part.Adsorbable part is set to the second articulated part.Magnetic element is corresponding to be located at below adsorbable part.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1~2 are painted the depression angle after the components broken down according to the press-key structure of one embodiment of the invention respectively and look up
The schematic diagram at angle.
Fig. 3 is painted the schematic diagram of the components broken down before the press-key structure assembling according to one embodiment of the invention.
Fig. 3-1 is painted the schematic diagram of a bottom plate with magnetic element.
Fig. 3-2 is painted the schematic diagram of the groove to accommodate magnetic element.
Fig. 4 is painted the schematic diagram after the press-key structure assembling according to one embodiment of the invention.
The press-key structure that Fig. 5 A and Fig. 5 B are painted Fig. 4 is located at the appearance diagram of release conditions and pressing state.
Fig. 6 A and Fig. 6 B, which are painted in Fig. 5 A, is transformed into pressing state by release conditions along the press-key structure of A-A hatching
Diagrammatic cross-section.
Fig. 7 A is painted the top view of the press-key structure according to another embodiment of the present invention.
Fig. 7 B is painted the diagrammatic cross-section of the press-key structure in Fig. 7 A along B-B hatching and the amplification at magnetic element is shown
It is intended to.
Fig. 7 C is painted the diagrammatic cross-section of the press-key structure in Fig. 7 A along C-C hatching and the amplification at magnetic element is shown
It is intended to.
Fig. 8 A and Fig. 8 B, which are painted, is transformed into pressing state by release conditions according to the press-key structure of another embodiment of the present invention
Schematic diagram.
Fig. 8 C is painted the schematic diagram of the pin-jointed structure of the press-key structure according to another embodiment of the present invention.
Fig. 9 A is painted the schematic diagram of the press-key structure according to one embodiment of the invention.
The top view and the enlarged diagram at the first liner that Fig. 9 B is the press-key structure of Fig. 9 A.
Figure 10 A and Figure 10 B, which are painted, is transformed into pressing shape by release conditions according to the press-key structure of another embodiment of the present invention
The schematic diagram of state.
Figure 11 A is the top view of film circuit board.
Figure 11 B is the first articulated part of the press-key structure being set on film circuit board and the top view of the second articulated part.
Wherein, appended drawing reference
2,2A, 2A ', 2B, 2C, 2D, 2E, 2F: press-key structure
10: keycap
102: link supports portion
20: pin connected assembly
21: the first articulated parts
211: first connecting rod
212: first axle fixed part
213: first connecting portion
214, the 214 ': the first Actuator Division
215: side surface
216: positioning column
217: the first liners
218: the first salient points
S1: gap
22: the second articulated parts
221: second connecting rod
222: the second axis fixed parts
223: second connecting portion
224, the 224 ': the second Actuator Division
225: side surface
227: the second liners
228: the second salient points
X1: first rotating shaft
X2: the second shaft
A1: axis
25: adsorbable part
251: first end
252: second end
254: opening portion
255: tongue piece
26: magnetic element
261: upper surface
27: optical waveguide layer
P1: the first absorption position
P2: the second absorption position
30: film circuit board
31: switch element
31 ': first switching element
31 ": second switch element
32: touching portion
40: support plate
41: the first supporting elements
411,412,411 ', 412 ': the first pivoted hole
413: location hole
42: the second supporting elements
421,422: the second pivoted hole
44: cavity
50: bottom plate
51: the second openings
51 ': containing groove
S1: the first glide direction
S2: the second glide direction
θ1、θ2: inclination angle
Specific embodiment
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments, to be further understood that
The purpose of the present invention, scheme and effect, but it is not intended as the limitation of scope of the appended claims of the present invention.
Fig. 1~2 are painted the depression angle after the components broken down according to the press-key structure 2 of one embodiment of the invention respectively and look up
The schematic diagram at angle.Fig. 1 is please referred to, press-key structure 2 includes a keycap 10 and a pin connected assembly 20.Pin connected assembly 20 is set to key
The lower section of cap 10.Pin connected assembly 20 includes one first articulated part 21 and one second articulated part 22, V-shaped intersection.First pivot joint
One end of part 21 has a first connecting rod 211, and the other end has a first axle fixed part 212 and a first rotating shaft X1.In addition,
One end of second articulated part 22 has a second connecting rod 221, and the other end has one second axis fixed part 222 and one second shaft
X2.In addition, the first rotating shaft X1 of the first articulated part 21 has a first connecting portion 213, and the second shaft of the second articulated part 22
X2 has a second connecting portion 223, and first connecting portion 213 is interconnected with second connecting portion 223, such as with protrusion and recess
Portion is interconnected and forms an axis A1 (referring to fig. 4, Fig. 6 A and Fig. 6 B), so that the first rotating shaft X1 of the first articulated part 21 and
Second shaft X2 of two articulated parts 22 is located on axis A1, and axis A1 is located at first axle fixed part 212 and the second axis fixed part
Between 222.
In Fig. 1, press-key structure 2 further includes an adsorbable part 25 and a magnetic element 26.Adsorbable part 25 is set to
Below pin connected assembly.In one embodiment, adsorbable part 25 can be fixed below pin connected assembly using buckle structure.In another reality
It applies in example, using the technology of injection molding in mould, adsorbable part 25 is set in a mold, then plastics are incident upon mold
It is interior, so that the first articulated part 21 or the second articulated part 22 of injection molding and the adsorbable part 25 in mold are integrally formed.
Referring to figure 2., in one embodiment, adsorbable part 25 have a first end 251 and a second end 252, first
End 251 corresponds to one first absorption position P1, and second end 252 corresponds to one second absorption position P2.In addition, magnetic element 26 is set
It sets to provide a magnetic force and can move back and forth to the first absorption position P1 or the second absorption position P2.When adsorbable part 25
First end 251 when being attracted by magnetic force and generating an active force, the first end 251 of adsorbable part 25 relative to axis A1 (referring to
Fig. 4, Fig. 6 A and Fig. 6 B) it is moved to the first absorption position P1, so that the first articulated part 21 and the second articulated part 22 can be by this works
Firmly it is activated (such as release conditions shown in Fig. 6 A).In addition, the second end 252 when adsorbable part 25 is inhaled by magnetic force
When drawing and generating an active force, the second end 252 of adsorbable part 25 is moved to the second absorption position P2 relative to axis A1, so that
First articulated part 21 and the second articulated part 22 can be activated by this active force.Therefore, the pin connected assembly 20 of the present embodiment can
By the first end 251 and the absorption with magnetic element 26 respectively of second end 252 of the adsorbable part 25 of change, and then drive the first pivot
Fitting 21 and the second articulated part 22 are converted between release conditions and storing state.In another embodiment, magnetic element 26
Also it can be fixed on 251 lower section of first end of adsorbable part 25, so that the first articulated part 21 and the second articulated part 22 are in release shape
It is converted between state and pressing state.
In one embodiment, adsorbable part 25 is, for example, iron-containing magnetizable material, and magnetic element 26 is, for example, permanent magnetic
Iron or electromagnet.
Referring to figure 2., in one embodiment, the bottom of keycap 10 includes multiple link supports portions 102, to fixed or can
It is slidably supported the first connecting rod 211 of the first articulated part 21 and the second connecting rod 221 of the second articulated part 22.In addition, implementing one
In example, the outside of the first articulated part 21 is equipped with first Actuator Division 214 outstanding, this first actuation at first connecting rod 211
The corresponding top for being located at a touching portion 32 in the position in portion 214, therefore the first Actuator Division 214 can contact this when keycap 10 is pressed
Touching portion 32, to generate a push button signalling.In another embodiment, the outside of the second articulated part 22 is at second connecting rod 221
It can be equipped with second Actuator Division 224 outstanding, the position of this second Actuator Division 224 is located at the top in another touching portion 32, therefore
Second Actuator Division 224 can contact this another touching portion 32 when keycap 10 is pressed, to generate a pressing signal.In other words, originally
The press-key structure 2 of invention is arranged at least one Actuator Division and contacts at least one touching portion 32, to generate a pressing signal.
Referring to figure 3., the element exploded view before being painted the press-key structure 2A assembling according to one embodiment of the invention.One
In embodiment, press-key structure 2A further includes a film circuit board 30, a support plate 40 and a bottom plate 50.Film circuit board 30 can
It is set in support plate 40 or is combined as a whole with support plate 40, and support plate 40 is set on bottom plate 50, in one embodiment
And it can sliding opposite with bottom plate.
Referring to figure 3., in one embodiment, touching portion 32 is set on film circuit board 30, and its position correspondence is located at
On one switch element 31 of film circuit board 30, when touching portion 32 is depressed, the switch element 31 being disposed below is touched
It sends out and generates a pressing signal.This pressing signal (can not be drawn via line transmission a to location processor for film circuit board 30
Show) so that location processor calculates a key command representated by the coordinate position of key and corresponding generation key.Another
In embodiment, as shown in Figure 10 B, the first Actuator Division 214 ' and the second Actuator Division 224 ' also can directly press film circuit board 30
Two switch elements 31, to generate pressing signal.
In one embodiment, touching portion 32 is, for example, made by rubber, epoxy resin, semi-solid preparation colloid or plastic material
At elastic material, shape can be dome-shaped (dome).
In one embodiment, switch element 31 includes conductive layer and a lower conductiving layer on one (figure is not painted), and on lead
It is separated by a gap between electric layer and lower conductiving layer.When touching portion 32 is depressed, upper conductive layer contacts with each other with lower conductiving layer
And be connected, to generate a pressing signal.
Referring to figure 3., support plate 40 includes standing on supporting surface 401 and opposite one first supporting element 41 and one the
Two supporting elements 42.First supporting element 41 includes two the first pivoted holes 411,412, and the second supporting element 42 includes two second pivot joints
Hole 421,422.First pivoted hole 411,412 and the second pivoted hole 421,422 are opposite, to accommodate the two of first axle fixed part 212
The both ends at end and the second axis fixed part 222.In one embodiment, the both ends of the first axle fixed part 212 of the first articulated part 21 can
It is located in one first pivoted hole 411 and one second pivoted hole 421, and the second axis fixed part 222 of the second articulated part 22
Both ends can be located separately in another first pivoted hole 412 and another second pivoted hole 422.Therefore, keycap 10 can be by pivot joint group
Part 20 is assembled in support plate 40, and can be moved up and down relative to support plate 40.It is solid in relation to first axle fixed part 212 and the second axis
The motion mode for determining portion 222 please refers to the explanation of Fig. 8 A and Fig. 8 B.
Referring to figure 3., bottom plate 50 is, for example, the plastic substrate of metal plate or reinforcing.Bottom plate 50 is set under support plate 40
It side and is stacked, can be with the rigid structure of reinforcing support plate 40, in other words, bottom plate 50 can be used as a substrate of keyboard, therefore be not required to
Additional setting bottom plate 50 is in the substrate of keyboard, to mitigate the weight and cost of keyboard.In another embodiment, when support plate 40
Itself has enough rigidity, and support plate 40 is also can serve as a substrate of keyboard, can be not required to that bottom plate 50 additionally is arranged in support plate
40 lower section.
Referring to figure 3., in one embodiment, support plate 40 has one first opening 43, and bottom plate 50 has one second opening
51.First opening 43 and the second opening 51 are located substantially at the lower section of adsorbable part 25, and can accommodate magnetic element 26.Second opens
Mouth 51 can be used to stationary magnetic element 26 on bottom plate 50.The size of first opening 43 is greater than or equal to the second opening 51
Size.
Referring to figure 3. -1, in one embodiment, bottom plate 50 is for example with a containing groove 51 ', to stationary magnetic element
26 on bottom plate 50.Containing groove 51 ' does not run through bottom plate 50 and its is opening up.Referring to figure 3. -2, when magnetic element 26 is arranged
In containing groove 51 ', the bottom of magnetic element 26 contacts with bottom plate 50 and is received the side wall encirclement of groove 51 ', therefore, magnetic
Property element 26 field of magnetic forece formed a loop so that magnetic field strength enhance.
Fig. 4 is painted the schematic diagram after the press-key structure 2A assembling according to one embodiment of the invention.Referring to figure 4., real one
It applies in example, the first articulated part 21 and the second articulated part 22 are assembled in support plate by the first supporting element 41 and the second supporting element 42
On 40.The first articulated part 21 after assembling is connected as one with the second articulated part 22.Please with reference to Fig. 1 and Fig. 4, due to first
Shaft X1 and first axle fixed part 212 are not coaxial, and the second shaft X2 and the second axis fixed part 222 are not coaxial, so that first axle is solid
Determine portion 212 and the second axis fixed part 222 and forms three not coaxial pivoting points (for example, with the axis A1 as rotation center
It is W-shaped), therefore the generally W-shaped structure of external form of the first articulated part 21 and the second articulated part 22 after assembling.
The press-key structure 2A that Fig. 5 A is painted Fig. 4 is in the appearance diagram of release conditions, and Fig. 6 A and Fig. 6 B are painted in Fig. 5 A
The diagrammatic cross-section of pressing state is transformed by release conditions along the press-key structure 2A of A-A section.Fig. 6 A is please referred to, it is real one
It applies in example, when keycap 10 is not pressed, the first end 251 and magnetic element 26 of adsorbable part 25 are attracting and are fixed on the first suction
On attached position P1, so that keycap 10 and pin connected assembly 20 are in a release conditions.Then, Fig. 6 B is please referred to, when keycap 10 is pressed
When pressure, the first end 251 of adsorbable part 25 is driven and mutually separate with magnetic element 26, so that keycap 10 is moved by non-pressing position
It moves to pressing position.Later, when keycap 10 is released, the first end 251 and magnetic element 26 of adsorbable part 25 are attracting again,
So that keycap 10 and pin connected assembly 20 turn again on non-pressing position by attracting magnetic force.Therefore, when user pressing or
Press-key structure 2A is discharged, can be moved up and down by acting between pressing position and non-pressing position for magnetic force.
B referring to figure 5., in one embodiment, bottom plate 50 are, for example, a sliding panel, can be relative to support plate 40 along one
First glide direction S1 sliding, so that press-key structure 2A ' is in storing state.Or support plate 40 is, for example, a sliding panel,
It can be slided relative to bottom plate 50 along one second glide direction S2, so that press-key structure 2A ' is in storing state.When keycap 10 moves
When moving to storage location, accommodating space required for press-key structure 2A ' is opposite to be reduced, and makes the whole height of press-key structure 2A '
Decline.Therefore, be conducive to store press-key structure.For example, screen may be folded in key when the decline of the keyboard height of portable computer
The top of disk, in this way, can be become thinner relative to the thickness of traditional portable computer.
In one embodiment, it can be contacted between the first end 251 of adsorbable part 25 and magnetic element 26 for face contact or line.
When contact area is bigger, magnetic attraction is bigger, when adsorbable part being caused to move down, adsorbable part fast ram magnetic element and generate bat
Beat noise.In addition, the change of the contact area of adsorbable part and magnetic element also will affect magnetic attraction variation, cause magnetic attraction unstable
It is fixed.
Fig. 7 A and Fig. 7 B is please referred to, wherein Fig. 7 B is the press-key structure 2B (keycap 10 is represented by dotted lines) of Fig. 7 A along B-B
The diagrammatic cross-section of hatching and the enlarged diagram at magnetic element 26.Magnetic element 26 has a upper surface 261, adsorbable
Part 25 has a middle part 253 between first end 251 and second end 252.Middle part 253 has 2531 direction of a lower surface
Upper surface 261, and lower surface 2531 is parallel with upper surface 261 opposite and is separated by a gap P, such as is separated by 0.5mm, adsorbable part
The lower surface 2511 of 25 first end 251 contacts and shape is in an acute angle towards upper surface 261 with upper surface 261.Middle part
253 lower surface 2531 intersects with the lower surface 2511 of first end 251 and forms an obtuse angle, for example, about 170-175 degree.Namely
It says, the lower surface 2511 of first end 251 is with a tiltangleθ1It is contacted with 261 line of upper surface, and then reduces magnetic attraction, made by bond
Structure 2B is easy pressing, tiltangleθ1Such as 5~10 degree or so.Meanwhile line contact can be such that magnetic attraction variation reduces, and make magnetic attraction more
For stabilization, and has the effect of noise abatement.In addition, in figure 5B, when bottom plate 50 is slided relative to support plate 40, line contact can be into
One step reduces the thrust or pulling force for being applied to bottom plate 50.
In addition, please referring to Fig. 7 B, adsorbable part 25 has an opening portion 254.This opening portion 254 is upper with magnetic element 26
Surface 261 is in least partially overlapped on the upright projection direction of keycap 10, when the size of opening portion 254 increases, adsorbable part
Overlapping area between 25 and the upper surface 261 of magnetic element 26 is reduced, and then reduces magnetic attraction.
In addition, please referring to Fig. 7 A and Fig. 7 C, the press-key structure 2B that wherein Fig. 7 C is Fig. 7 A is along the diagrammatic cross-section of line C-C
And the enlarged diagram at magnetic element 26.Adsorbable part 25 more may include a tongue piece 255, extend in opening portion 254, tongue piece
255 extend toward the upper surface of magnetic element 26 261 and with upper surface 261 with a tiltangleθ2It is in contact, tiltangleθ2Such as 5~
10 degree or so.That is, tongue piece 255 is contacted with 261 line of upper surface of magnetic element 26, and then compensates opening portion 254 and made
At magnetic attraction reduce.Meanwhile tongue piece 255 also can be positioned on the upper surface 261 of magnetic element 26 with increase adsorbable part 25 with
Locating effect between magnetic element 26.
Fig. 8 A and Fig. 8 B is please referred to, (keycap 10 is with dotted line by the press-key structure 2C for being painted according to another embodiment of the present invention
Indicate) schematic diagram of pressing state is transformed by release conditions.It is upward as the axis A1 of rotation center when keycap 10 is pressurized
Protuberance, first axle fixed part 212 towards the medial movement of the first pivoted hole 411,412 and contact respectively with the second axis fixed part 222
Its inner sidewall, and when keycap 10 is released, it is moved down as the axis A1 of rotation center, first axle fixed part 212 and
Two axis fixed parts 222 are mobile towards the outside of the first pivoted hole 411,412 respectively and contact its lateral wall.Therefore, axis A1 can on
Lower movement.
In addition, the first supporting element 41 also wraps other than including two the first pivoted holes 411,412 in Fig. 8 A and Fig. 8 B
Include a positioning hole 413.This location hole 413 be located between this 2 first pivoted hole 411,412 and with this 2 first pivoted hole 411,
412 are separated by.In addition, the first articulated part 21 is equipped with an at least positioning column 216, positioning column 216 is on axis A1 and is placed in positioning
Hole 413, and when keycap 10 is pressed and moves down, positioning column 216 is relative to location hole 413 on the moving direction of keycap 10
With single-degree-of-freedom, to limit the moving direction of positioning column 216.Therefore, the present embodiment is by location hole 413 and positioning column 216
Limit, to ensure that adsorbable part 25 on relative position, keeps magnetic attraction more stable with magnetic element 26.In one embodiment,
The two sides of the first articulated part 21 can be made in asymmetric arrangement using single a positioning column 216, thus can make the first articulated part 21 with
Second articulated part 22 can be easy to differentiate in the position of corresponding first pivoted hole 411,412, to achieve the effect that fool proof.?
In another embodiment (figure is not painted), when the first articulated part exchanges position with the second articulated part, positioning column also may be provided at the
On two articulated parts.
In addition, please refer to Fig. 8 C, in one embodiment, the both ends of the second axis fixed part 222 and the first pivoted hole 412 ', the
Two pivoted holes (not being painted in Fig. 8 C) can adopt tight fit, reduce tolerance clearance, can avoid the second axis fixed part 222 and generate laterally partially
It moves, so can ensure that adsorbable part 25 on relative position, keeps magnetic attraction more stable with magnetic element 26.On the other hand, first
The both ends of axis fixed part 212 and the first pivoted hole 411 ', the second pivoted hole (not being painted in Fig. 8 C) can adopt loose fit, reserve larger
Tolerance clearance makes first axle fixed part 212 can produce lateral shift, but since adsorbable part 25 is not on the first articulated part 21,
Therefore the position that not will cause adsorbable part 25 and magnetic element 26 generates offset.
Then, Fig. 9 A and Fig. 9 B is please referred to, wherein Fig. 9 A is painted shows according to the press-key structure 2D of one embodiment of the invention
It is intended to, the enlarged diagram at top view and the first liner 217 that Fig. 9 B is the press-key structure 2D of Fig. 9 A.First articulated part 21 in
One first liner 217 is respectively equipped at the both ends of first axle fixed part 212, the second articulated part 22 is in the second axis fixed part 222
It is respectively equipped with one second liner 227 at both ends, and has between each first liner 227 and a side surface 215 of the first articulated part 21
There is a first distance (be greater than 0), to maintain between the first articulated part 21 and the first supporting element 41 and the first articulated part 21 and the
Gap S1 between two supporting elements 42 supports to avoid two side surfaces 215 of the first articulated part 21 and the first supporting element 41, second
Part 42 directly contacts, therefore frictional force can be made to reduce, and then the first articulated part 21 is made to be easy rotation.On the other hand, each second liner
227 have a second distance (be greater than 0) relative to a side surface 225 of the second articulated part 22, to maintain the second articulated part 22
Gap (such as S1) between the first supporting element 41 and between the second articulated part 22 and the second supporting element 42, to avoid the second pivot
Two side surfaces 225 of fitting 22 directly contact with the first supporting element 41, the second supporting element 42, therefore frictional force can be made to reduce, in turn
The second articulated part 22 is set to be easy rotation.
Figure 10 A and Figure 10 B is please referred to, wherein Figure 10 A and Figure 10 B is painted the press-key structure according to another embodiment of the present invention
2E is converted to the schematic diagram of pressing state by release conditions.In one embodiment, the first articulated part 21 and the second articulated part 22 with
The position that film circuit board 30 contacts is respectively provided with one first salient point 218 and one second salient point 228.First salient point 218 is opposite
In the prominent predetermined altitude in the lower surface of the first articulated part 21 (being greater than 0), and the second salient point 228 is relative to the second articulated part 22
Lower surface protrudes a predetermined altitude (being greater than 0).Therefore, when the first articulated part 21 and the second 22 relative rotation of articulated part, first
Salient point 218 and film circuit board 30 are interfered, and the second salient point 228 is interfered with film circuit board 30, to compensate the first articulated part
The tolerance clearance between tolerance clearance and second articulated part 22 and film circuit board 30 between 21 and film circuit board 30,
It avoids causing because of tolerance clearance generating noise when press-key structure 2E actuation.
In fig. 1 ob, when keycap 10 moves down, the first Actuator Division 214 ' can directly be pressed with the second Actuator Division 224 '
Two switch elements 31 of film circuit board 30, to generate pressing signal.This two switch element 31 is connected after being pressurized, and can be recessed
In two cavitys 44 of support plate 40.The quantity of switch element 31 is not limited to only two, but also more.
Figure 10 A-10B and Figure 11 A-11B is please referred to, wherein Figure 11 A is the top view of film circuit board 30, and Figure 11 B is to set
It is placed in the first articulated part 21 of the press-key structure 2F on film circuit board 30 and the top view of the second articulated part 22.In an embodiment
In, film circuit board 30 is respectively equipped with two first switching elements 31 ' and two second switch elements 31 " to 10 two sides of keycap, and
First articulated part 21 and the second articulated part 22 are distinctly equipped with 2 first Actuator Divisions 214 ' and 2 second Actuator Divisions 224 '.First makees
Dynamic portion 214 ' is corresponding to be located at 31 ' top of first switching element, and the second Actuator Division 224 ' is corresponding to be located on second switch element 31 "
Side, and these first Actuator Divisions 214 ' are located at the opposite sides of the axis A1 by keycap center with these second Actuator Divisions 224 '
And the edge of neighbouring keycap 10.That is, what the first articulated part 21 and the second articulated part 22 were contacted with film circuit board 30
Four edges of keycap 10 are located proximate to, therefore, user either presses the centre or edge of keycap 10, can correspond to production
Raw pressing signal, to improve the sensitivity of press-key structure 2F.In the film circuit board 30 of the present embodiment, first switching element
31 ' with second switch element 31 " serial arrangement mutual conduction can be adopted, as long as therefore one of switch element be pressed and can produce
Raw pressing signal.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (13)
1. a kind of press-key structure characterized by comprising
One keycap；
One pin connected assembly is set to the lower section of the keycap, which includes:
One first articulated part has a first axle fixed part and a first connecting portion；And
One second articulated part, have one second axis fixed part and a second connecting portion, wherein the first connecting portion and this second
Interconnecting piece engagement is to form an axis, and first articulated part and second articulated part are somebody's turn to do using the axis as center relative rotation
Axis is located between the first axle fixed part and the second axis fixed part；
One first supporting element and one second supporting element are respectively coupled to both ends and the second axis fixed part of the first axle fixed part
Both ends；
One adsorbable part is set to second articulated part；And
One magnetic element, it is corresponding to be located at below the adsorbable part.
2. press-key structure as described in claim 1, which is characterized in that the magnetic element has a upper surface, the adsorbable part
A first end lower surface towards the upper surface, and this can depend on part and when the magnetic element line contacts, the first end should
Lower surface contacts with the upper surface and forms an inclination angle.
3. press-key structure as described in claim 1, which is characterized in that the adsorbable part has a middle part, can inhale positioned at this
Between the first end and a second end of attachment, the lower surface of the middle part is parallel to the upper surface, and the middle part this under
Surface and the upper surface are separated by a spacing, the lower surface of the first end of the adsorbable part towards the upper surface and with the upper surface
Contact and shape is in an acute angle, the lower surface of the first end intersects with the lower surface of the middle part and forms an obtuse angle.
4. press-key structure as claimed in claim 2, which is characterized in that the adsorbable part have an opening portion, the opening portion with
The upper surface of the magnetic element is overlapped on the upright projection direction of the keycap.
5. press-key structure as claimed in claim 4, which is characterized in that the adsorbable part further includes a tongue piece, extends to this and opens
In oral area, and this can depend on part and when the magnetic element line contacts, which contacts with the upper surface and form another inclination angle.
6. press-key structure as described in claim 1, which is characterized in that first supporting element includes two the first pivoted holes, should
Second supporting element includes two the second pivoted holes, and 2 first pivoted hole is opposite with 2 second pivoted hole, to accommodate this
The both ends at the both ends of one axis fixed part and the second axis fixed part.
7. press-key structure as claimed in claim 6, which is characterized in that first supporting element further includes a positioning hole, the positioning
Hole is located between 2 first pivoted hole, and first articulated part is equipped with an at least positioning column, and wherein the positioning column is in the axis
It is upper and be placed in the location hole, and when the keycap is pressed and moves down, the positioning column is relative to the location hole in the keycap
Moving direction on have single-degree-of-freedom.
8. press-key structure as described in claim 1, which is characterized in that 2 first liners and 2 second liners are further included,
In 2 first liner be set to the both ends of the first axle fixed part, to maintain first articulated part and first supporting element and
Gap between first articulated part and second supporting element, second liner are set to the both ends of the second axis fixed part, use
To maintain the gap between second articulated part and first supporting element and second articulated part and second supporting element.
9. press-key structure as described in claim 1, which is characterized in that a film circuit board is further included, it is corresponding to be located at the pivot joint
Below component, and first articulated part and second articulated part further include one first salient point contacted respectively with the film circuit board
And one second salient point, wherein when first articulated part and the second articulated part relative rotation, first salient point and this second
Salient point is to reduce tolerance clearance between first articulated part and the film circuit board and second articulated part and the film
Tolerance clearance between circuit board.
10. press-key structure as claimed in claim 9, which is characterized in that further include to connect first supporting element and this
One support plate of two supporting elements, the support plate are set to below the film circuit board, first supporting element and the second supporting element point
It does not stand on a supporting surface of the support plate and parallel opposite.
11. press-key structure as claimed in claim 10, which is characterized in that further include a bottom plate, the bottom plate and the support plate phase
Folded, which has a containing groove, to accommodate the magnetic element, wherein the bottom of the magnetic element and the contacts baseplate and
It is completely coated by the side wall of the containing groove.
12. press-key structure as claimed in claim 9, which is characterized in that the film circuit board be equipped with a first switching element with
And a second switch element, and first articulated part and second articulated part are distinctly equipped with one first Actuator Division and one second make
Dynamic portion, first Actuator Division is corresponding to be located above the first switching element, and second Actuator Division is corresponding to be located at second switch member
Above part, and first Actuator Division and second Actuator Division are located at the opposite sides for passing through the axis at the keycap center and neighbouring
The edge of the keycap.
13. press-key structure as claimed in claim 12, which is characterized in that there are two the first switching elements, the second switch
There are two elements, and the position of two first switching element and the two second switches element corresponds to four corners of the keycap.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/618,602 US10236138B2 (en) | 2015-05-07 | 2017-06-09 | Key structure |
| US15/618,602 | 2017-06-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109036889A true CN109036889A (en) | 2018-12-18 |
| CN109036889B CN109036889B (en) | 2020-01-07 |
Family
ID=64630275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810209664.7A Active CN109036889B (en) | 2017-06-09 | 2018-03-14 | Key structure |
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| Country | Link |
|---|---|
| CN (1) | CN109036889B (en) |
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| US7449651B2 (en) * | 2007-02-06 | 2008-11-11 | Darfon Electronics Corp. | Press key structure |
| TW200947270A (en) * | 2008-05-13 | 2009-11-16 | Chicony Electronic Co Ltd | Lighting keyboard |
| CN202678165U (en) * | 2012-05-31 | 2013-01-16 | 苏州达方电子有限公司 | Key and keyboard |
| CN103123871A (en) * | 2011-11-17 | 2013-05-29 | 达方电子股份有限公司 | Push-button |
| CN103681065A (en) * | 2013-10-24 | 2014-03-26 | 苏州达方电子有限公司 | Magnetic attractive button and keyboard thereof |
| US20140231234A1 (en) * | 2013-02-21 | 2014-08-21 | Darfon Electronics Corp. | Keyswitch and keyboard thereof |
| CN104766745A (en) * | 2014-06-09 | 2015-07-08 | 苏州达方电子有限公司 | Press key structure |
| CN106128810A (en) * | 2015-05-07 | 2016-11-16 | 光宝科技股份有限公司 | Press-key structure and apply the portable computer of this press-key structure |
| CN106783318A (en) * | 2016-12-06 | 2017-05-31 | 苏州达方电子有限公司 | Button |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7449651B2 (en) * | 2007-02-06 | 2008-11-11 | Darfon Electronics Corp. | Press key structure |
| TW200947270A (en) * | 2008-05-13 | 2009-11-16 | Chicony Electronic Co Ltd | Lighting keyboard |
| CN103123871A (en) * | 2011-11-17 | 2013-05-29 | 达方电子股份有限公司 | Push-button |
| CN202678165U (en) * | 2012-05-31 | 2013-01-16 | 苏州达方电子有限公司 | Key and keyboard |
| US20140231234A1 (en) * | 2013-02-21 | 2014-08-21 | Darfon Electronics Corp. | Keyswitch and keyboard thereof |
| CN103681065A (en) * | 2013-10-24 | 2014-03-26 | 苏州达方电子有限公司 | Magnetic attractive button and keyboard thereof |
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| CN106783318A (en) * | 2016-12-06 | 2017-05-31 | 苏州达方电子有限公司 | Button |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109036889B (en) | 2020-01-07 |
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