CN107464715A - Conducting strip component, key-press module and keyboard comprising the conducting strip component - Google Patents
Conducting strip component, key-press module and keyboard comprising the conducting strip component Download PDFInfo
- Publication number
- CN107464715A CN107464715A CN201610387966.4A CN201610387966A CN107464715A CN 107464715 A CN107464715 A CN 107464715A CN 201610387966 A CN201610387966 A CN 201610387966A CN 107464715 A CN107464715 A CN 107464715A
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- China
- Prior art keywords
- contact
- salient point
- conducting strip
- key
- standby
- 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
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2235/00—Springs
- H01H2235/028—Blade spring
Abstract
The present invention discloses a kind of conducting strip component, suitable for key-press module, and includes the contact structures of fixed-conductive film, elastic conducting strip and different height.Fixed-conductive film is inserted in circuit board and has stator contact site.Flexible contact site of elastic conducting strip, assembling section and active segment.Assembling section is inserted in circuit board.Active segment is swingable movable intersegmental with assembling in fixed-conductive film in assembling section one end.Contact structures are intersegmental with activity between fixed-conductive film.When active segment and fixed-conductive film electrically conduct, if contact structures are located at stator contact site, highest contact structures contact with elastic conducting strip, if contact structures are located at flexure strip contact site, highest contact structures contact with stator contact site.A kind of key-press module comprising the conducting strip component and it is also disclosed in the present invention with the keyboard of the key-press module.
Description
Technical field
The present invention relates to key-press module, more particularly to a kind of conducting strip component for being applied to operation electronic product,
Key-press module and keyboard comprising the conducting strip component.
Background technology
With the development of science and technology miscellaneous electronic product, such as desktop computer, notebook computer etc.
One of instrument of people's life and the upper indispensability that works is turned into.Wherein, keyboard is the master of above-mentioned electronic product
Want one of operation device.Common keyboard is broadly divided into two kinds of mechanical keyboard and thin film type keyboard on the market.
Preferable the striking feel and long service life that mechanical keyboard has by it, are liked by consumers in general
Love.
But as market competition becomes increasingly fierce, in order to increase its competitiveness, it is necessary to for machinery at present
The problem of formula keyboard, is improved.For example, in traditional mechanical keyboard, in each button generally
Have two conducting strips for being inserted in a circuit board below the button, its in pressing keycap every time via
It is mutual to hit contact and electrically conduct, to trigger the default signal of button.But with access times
Accumulate, the contact point between conducting strip is worn so that it is bad even that button produces sensing when pressed
The problem of failure, and then influence the service life of button.
The content of the invention
The invention reside in providing a kind of conducting strip component and include the key-press module of the conducting strip component, so as to
The service life of prolonged mechanical formula keyboard.
Conducting strip component disclosed in this invention, suitable for triggering a key-press module.Conducting strip component includes
One fixed-conductive film, an elastic conducting strip and at least two contact structures with different height.Fixation is led
Electric piece is to be inserted in a circuit board below the key-press module, and fixed-conductive film has one to fix
Piece contact site.Elastic conducting strip has a flexure strip contact site, an assembling Duan Yuyi active segments.Bullet
Property piece contact site is relative with stator contact site.One end of section is assembled being inserted in circuit board.It is living
Dynamic section be pivotably connected in assembling section the other end and movably positioned at fixed-conductive film with assembling section it
Between.Contact structures are arranged on stator contact site or flexure strip contact site, and between fixed conductive
Between piece and active segment.When the relatively close fixed-conductive film of active segment electrically conducts with fixed-conductive film,
If contact structures are located at stator contact site, there are the contact structures and bullet of maximum height in contact structures
Property conducting strip be in contact, have highest high if contact structures are located at flexure strip contact site, in contact structures
The contact structures of degree are in contact with stator contact site.
Key-press module disclosed in this invention, led as previously described comprising a key switch, a keycap and one
Electric piece component.Key switch, which includes one, has base, a key axle, the foregoing conducting strip of cavity
Component and an elastic component.Key axle, conducting strip component and elastic component are arranged in base, and key axle is the bottom of with respect to
Seat is movable.Keycap is sheathed on key axle, and is moved with the key axle towards or away from the bottom of base.
Keyboard disclosed in this invention, include a keyboard case, multiple foregoing key-press modules and one
Circuit board.Key-press module is all located in keyboard case with circuit board, and these key-press modules are electrically connected at
Circuit board.
In conducting strip component disclosed in this invention and the button comprising the conducting strip component, due in fixation
The contact structures of multiple different heights are set on piece contact site or flexure strip contact site, thus made
After a period of time, after there are the contact structures of maximum height to be worn, there is the contact knot of time height
Structure will be used, and possibility is provided as push button longevity is extended.Accordingly, conduction proposed by the invention
The service life of piece component can be at least in tradition only more than the several times of the design of single individual contact salient point.
The above is to demonstrate and solve on the explanation of present disclosure and the explanation of following embodiment
The spirit and principle of the present invention are released, and claims of the present invention is provided and further explained.
Brief description of the drawings
Fig. 1 is for the stereogram of the key-press module according to depicted in one embodiment of the invention.
Fig. 2 is for the explosive view of the key-press module of Fig. 1 according to the present invention.
Fig. 3 is for the enlarged drawing of the conducting strip component of the key-press module of Fig. 2 according to the present invention.
Fig. 4 A are sectional side views when not being pressed for the keycap of the key-press module of Fig. 1 according to the present invention.
Fig. 4 B are conducting strip components when not being pressed for the keycap of the key-press module of Fig. 1 according to the present invention
Top view.
Fig. 5 A are sectional side views when being pressed for the keycap of the key-press module of Fig. 1 according to the present invention.
Fig. 5 B are conducting strip components when being pressed for the keycap of the key-press module of Fig. 1 according to the present invention
Top view.
Fig. 6 is for the stereogram of the keyboard according to depicted in one embodiment of the invention.
Wherein, description of reference numerals is as follows：
1 key-press module
9 keyboards
10 key switches
11 bases
12 key axles
13 conducting strip components
14 elastic components
20 keycaps
30 circuit boards
91 keyboard cases
131 fixed-conductive films
133 elastic conducting strips
133a assembles section
133b bending sections
133c active segments
134 main contact salient points
135 first standby contact salient points
136 second standby contact salient points
137 projective structures
139 buffer structures
1311 stator contacts site
1331 flexure strip contacts site
The main contact salient points of D1 to projective structure spacing
The first standby contact salient points of D2 to projective structure spacing
The second standby contact salient points of D3 to projective structure spacing
The height of H1 projective structures
The height of the main contact salient points of H2
The height of the first standby contact salient points of H3
The height of the second standby contact salient points of H4
The height of H5 buffer structures
S1 cavitys
Embodiment
Embodiment of the present invention provides a kind of key-press module for being suitable to extend button service life and used and is somebody's turn to do
The keyboard of key-press module.Key-press module includes key switch and removably or is regularly sheathed on button
The keycap of top is switched, keycap follows key switch towards or away from the circuit board below key switch
Displacement, the pressing force on keycap is converted into switching signal.Key switch includes base, key axle, led
Electric piece component and elastic component.Key axle, conducting strip component and elastic component may be contained within the cavity volume of base.Key
Axle removably or fixedly connects keycap, and with keycap pressing and compression elastic piece, and force conduction
Piece component is electrically connected with the circuit board below base, and key axle is also with elasticity after keycap is revoked pressing
The elastic reaction of part and reset.Conducting strip component includes the fixed-conductive film and elastic conducting strip being oppositely arranged.
When keycap is pressed, the stator contact site that fixed-conductive film is provided with is provided with elastic conducting strip
Flexure strip contact site contact with each other so that conducting strip component connects foregoing circuit board.Due to fixation
Piece contact site and flexure strip contact site contact with each other when keycap is pressed, after a period of time,
Both will have a certain degree of abrasion, therefore, being improved in embodiment of the present invention conducting strip component.
During one kind is improved, set on stator contact site or flexure strip contact site multiple different high
The contact structures of degree.Such as the contact structures of some different heights are set on stator contact site, make
Obtain after keycap is pressed, the contact structures and elastic conducting strip on fixed-conductive film with maximum height
Flexure strip contact site is in contact；Or connecing for some different heights is set on flexure strip contact site
Touch structure so that after keycap is pressed, the contact structures on elastic conducting strip with maximum height are with consolidating
The stator contact site for determining conducting strip is in contact.So as to over time, have maximum height
After contact structures are worn, the contact structures with time height will be used, as the extension button longevity
Life provides possibility.
In another kind improves, increase buffer structure on fixed-conductive film or elastic conducting strip.It is such as slow
Structure setting is rushed on fixed-conductive film, and the same side is in stator contact site so that in keycap
After being pressed, elastic conducting strip contacts the buffer structure on fixed-conductive film first, then passes through elasticity again
Piece contact site is in contact with the stator contact site on fixed-conductive film；Or buffer structure is arranged on
On elastic conducting strip, and the same side is in flexure strip contact site so that after keycap is pressed, bullet
Property conducting strip first by buffer structure contact fixed-conductive film, then again by flexure strip contact site with
Stator contact site is in contact.So as to, first born by buffer structure keycap pressing after transmit come
Pressure, because buffer structure has neutralized excessive pressure, thus slow down stator contact site and flexure strip connects
Abrasion between contact portion position, and then provide possibility to extend push button longevity.
In another improvement, the surface of stator contact site and/or flexure strip contact site is plated
Layer, such as silver-plated, making to be plated in one layer on stator contact site and/or flexure strip contact site surface is
Wear-resisting and strong electric conductivity material, so that between stator contact site and flexure strip contact site
Contact resistance diminishes, and button reaction is sensitiveer.
Describe the detailed features and advantage of the present invention in detail below by way of specific embodiment, its content is enough
Make any skilled in the art realises that technology contents of the invention and implementing according to this, and according to this specification
Disclosure of that, claim and accompanying drawing, it is any skilled person readily understands that of the invention
Related purpose and advantage.Following embodiment be further described the present invention viewpoint, but it is non-with
Anyways limit scope of the invention.In addition, it is attached up to the convenient purpose of explanation, description of the invention
Has reference coordinate axle in figure.
First, Fig. 1~3 is refer to, Fig. 1 is for the button mould according to depicted in one embodiment of the invention
The stereogram of block, Fig. 2 be for according to the present invention Fig. 1 key-press module explosive view, and Fig. 3 be for
According to the enlarged drawing of the conducting strip component of Fig. 2 of present invention key-press module.The present embodiment proposes that one kind is pressed
Key module 1, the keyboard of such as notebook computer or desktop computer electronic product is can be applied to, to be used as this
Signal specific is triggered on keyboard to be used.As shown in figure 1, in the present embodiment, key-press module 1 includes one
Key switch 10 and keycap 20.Key switch 10 is arranged on the circuit board 30 in the keyboard.Key
Cap 20 is arranged on key switch 10.Circuit board 30 can be via cabling (not illustrating) or wireless transmission method
It is connected with the system signal in aforementioned electronic product, but the present invention is not so limited.And it will be appreciated that
More key-press modules can also be set on circuit board 30, with for triggering the predetermined letter of other buttons
Number, but the present invention is also non-as limit.
Then, as shown in Fig. 2 key switch 10 includes a base 11, a key axle 12, a conducting strip
The elastic component 14 of component 13 and one.
Base 11 includes a upper shell 111 and a lower house 113.Upper shell 111 can be with lower house 113
Mutually assemble and surround out a cavity S1 (i.e. foregoing cavity volume, as shown in Figure 4 A) jointly.Key axle 12 can on
Under be movably arranged in cavity S1, and be detachably connected or be fixedly connected base 11.Keycap 20 is removable
Unload formula connection or be fixedly connected with the top of key axle 12.
Conducting strip component 13 includes a fixed-conductive film 131, an elastic conducting strip 133.And can by Fig. 3
Be clearly seen, conducting strip component 13 also comprising a main contact salient point 134, one first standby contact salient point 135,
One second standby contact salient point 136, a projective structure 137 and two buffer structures 139.Master described here
Contact salient point 134, the first standby contact salient point 135, the second standby contact salient point 136 are foregoing connect
Touch structure.
Specifically, fixed-conductive film 131 is formed with the metal material with conductive characteristic, and it is inserted
Located at lower house 113, with electrical with the circuit board 30 below lower house 113 after keycap 20 is pressed
Connection.In addition, fixed-conductive film 131 has a stator contact site 1311.
Elastic conducting strip 133 is formed with the flexible metal material with conductive characteristic, and it has one
Flexure strip contact site 1331, one assembles section 133a, a bending section 133b and an active segment 133c.Bullet
Property piece contact site 1331 is relative with stator contact site 1311.Assembling section 133a one end is inserted in
Lower house 113, to be electrically connected with after keycap 20 is pressed with the circuit board 30 below lower house 113.
Bending section 133b is connected between section 133a and active segment 133c is assembled.Active segment 133c is via bending
Section 133b is pivotably connected in the assembling section 133a other end so that the movable status of active segment 133c
Between fixed-conductive film 131 and assembling section 133a (as shown in Fig. 4 A and Fig. 5 A).Therefore, it is movable
Section 133c can be relatively close via bending section 133b or be relatively distant from fixed-conductive film 131.
Main contact salient point 134, the first standby contact salient point 135 and the second standby contact salient point 136 are set
In the side towards active segment 133c of fixed-conductive film 131.And surface be coated with one layer it is wear-resisting and with height
The material of conductive characteristic is formed, such as silver.But the present invention is not standby with main contact salient point 134, first
It is limited with the design or forming method of contact salient point 135 and the second standby contact salient point 136.Obviously, this
In main contact salient point 134, before the first standby 135 and second standby contact salient point 136 of contact salient point is
The contact structures with different height set on the stator contact site 1311 stated.
Projective structure 137 is also to be made up of the material with highly conductive characteristic, and it is arranged at active segment
133c corresponds to main contact salient point 134, the first standby contact towards the side of fixed-conductive film 131
135 and second standby contact salient point 136 of salient point.Connect it may also be said that main contact salient point 134, first is standby
It is to be located at fixed-conductive film 131 to touch salient point 135, the second standby contact salient point 136 and projective structure 137
Between active segment 133c.Projective structure 137 can also be by with aforementioned contact salient point identical material with
Made by processing method, or formed from active segment 133c with a punch process, the present invention is not with this
It is limited.Obviously, projective structure 137 here is foregoing flexure strip contact site 1331.
In addition, need to state, the present invention is not with foregoing main contact salient point 134, the first standby contact
Salient point 135, the position of the second standby contact salient point 136 and projective structure 137 are limited.Such as in other
In embodiment, main contact salient point 134, the first standby 135 and second standby contact salient point 136 of contact salient point
It can also be arranged at the active segment 133c side towards fixed-conductive film 131, and projective structure 137
Fixed-conductive film 131 can also be arranged at towards active segment 133c side.In other words, main contact is convex
Select the 134, first standby contact salient point 135 and be arranged at flexure strip with the second standby contact salient point 136 and contact
Position 1331, and projective structure 137 is arranged at stator contact site 1311.
Two buffer structures 139 are also between fixed-conductive film 131 and active segment 133c.Specifically,
In the present embodiment, two buffer structures 139 are arranged at fixed-conductive film 131 towards the one of active segment 133c
Side, but the present invention is not so limited.Such as in other embodiment, buffer structure 139 can also be set
The active segment 133c of elastic conducting strip 133 is placed in towards the side of fixed-conductive film 131.In addition, buffering
Structure 139 is such as rubber or plastic cement by being formed with compressive characteristics and the material that is electrically insulated,
But the present invention is not so limited.Such as in other embodiment, buffer structure 139 can also be one
The compression spring being made up of the material that is electrically insulated.In addition, the present invention nor the number with buffer structure 139
Amount is limited, such as in other embodiment, the quantity of buffer structure 139 can be two or more or be only
One.
Then, it is located at referring again to Fig. 2, elastic component 14 in cavity S1, and is connected to key axle 12 with
Between housing 113.In the present embodiment, elastic component 14 is a compression spring, and its one end is arranged at lower casing
Body 113, and the other end is arranged at key axle 12, it is possible to provide elastic thrust is to key axle 12 to be used as compression or multiple
Position key axle 12 is used.
Then, it is for the key of the key-press module of Fig. 1 according to the present invention to refer to Fig. 4 A~4B, Fig. 4 A
Sectional side view when cap is not pressed, and Fig. 4 B are for the keycap of the key-press module of Fig. 1 according to the present invention
The top view of conducting strip component when not being pressed.
As shown in Fig. 4 A~4B, now keycap 20 has been completed with key switch 10, when keycap 20
When not being tapped, key axle 12 is maintained at and is relatively distant under base 11 by the elastic thrust of elastic component 14
The position of housing 113.In the case, key axle 12 pushes against the active segment 133c of elastic conducting strip 133,
So that active segment 133c is relatively distant from fixed-conductive film 131 and drives bending section 133b to bend and accumulate bullet
Property potential energy.Therefore, the projective structure 137 on the active segment 133c of elastic conducting strip 133 and fixed conduction
Contact salient point 134~136 on piece 131 is to be separated, and makes fixed-conductive film 131 and elastic conduction
Piece 133 is not conducted.In addition, two buffer structure 139 and active segment 133c on fixed-conductive film 131
Also it is phase separation.
In addition, it can be seen by Fig. 4 B, main contact salient point 134, the first standby contact salient point 135 and second
The height of standby contact salient point 136 is the design sequentially successively decreased so that main contact salient point 134, first is standby
It is different with the spacing of projective structure 137 respectively with the second standby contact salient point 136 with contact salient point 135.
In the present embodiment, projective structure 137 is in highly consistent on its extension line, and its height is H1,
The height of main contact salient point 134 is H2, and the spacing of main contact salient point 134 to projective structure 137 is
D1, the height of the first standby contact salient point 135 is H3, and the first standby contact salient point 135 is to protrusion
The spacing of structure 137 is D2, and the height of the second standby contact salient point 136 is H4, and second standby connects
It is D3 to touch salient point 136 to the spacing of projective structure 137, and the height of each buffer structure 139 is H5.
In the present embodiment, the height H2 of main contact salient point 134 is more than the height of the first standby contact salient point 135
H3 is spent, and the height H3 of the first standby contact salient point 135 is more than the height of the second standby contact salient point 136
H4 is spent, that is, meets condition：H2>H3>H4.It is it may also be said that standby in main contact salient point 134, first
In 136 3 contact structures of standby contact salient point of contact salient point 135 and second, main contact salient point 134 is
With maximum height person.Therefore, can deduce, the space D 1 of main contact salient point 134 to projective structure 137
Less than the space D 2 of the first standby contact salient point 135 to projective structure 137, and the first standby contact salient point
135 are less than the second standby contact salient point 136 to projective structure 137 to the space D 2 of projective structure 137
Space D 3, that is, meet condition：D1 ＜ D2 ＜ D3.It may also be said that main contact salient point 134, first
Standby 135 and second standby contact salient point 136 of contact salient point respectively with the spacing of projective structure 137 sequentially
It is incremented by.In addition, in the present embodiment, the height H5 of each buffer structure 139 is at least above projective structure
137 height H1 and the height H2 of main contact salient point 134 sum total, that is, meet condition：
H5>(H1+H2).The condition can also change, on condition that meeting：Under pressed state, fixed-conductive film
Between elastic conducting strip be in contact by buffer structure first, followed by stator contact site with
Flexure strip contact site is in contact.
It please continue refering to Fig. 5 A~5B, Fig. 5 A are for the keycap of the key-press module of Fig. 1 according to the present invention
By sectional side view during striking, and Fig. 5 B are touched for the keycap of the key-press module of Fig. 1 according to the present invention
The top view of conducting strip component when hitting.
As shown in Fig. 5 A~5B, when keycap 20 is tapped and when pushing, keycap 20 can drive key axle 12
Key axle 12 is set no longer to push against elastic conducting strip 133 towards the direction activity of the lower house 113 of base 11 in the lump
Active segment 133c.In the case, bending section 133b discharges elastic potential energy and drives active segment 133c
Bullet is to fixed-conductive film 131.
Compares figure 4B and Fig. 5 B can be seen, compared to two other standby contact salient point 135~136, by
It is minimum (i.e. D1 ＜ D2 ＜ D3) in the space D 1 of main contact salient point 134 to projective structure 137, thus
Active segment 133c bullets are to during fixed-conductive film 131, the projective structure 137 on active segment 133c
Can first hit contact fixed-conductive film 131 on main contact salient point 134 so that fixed-conductive film 131 with
Elastic conducting strip 133 can electrically conduct via the main contact with projective structure 137 of contact salient point 134,
So as to triggering 1 default signal of key-press module.
That is, standby contacted with second in main contact salient point 134, the first standby contact salient point 135
In salient point 136, main contact salient point 134 can bear active segment 133c prior to other two contact salient points
On projective structure 137 shock.When main contact salient point 134 hitting the accumulation of number because gradually wearing out
When, the shock of projective structure 137 then can be born with secondary the first high standby contact salient point 135.Together
Reason, when the first standby contact salient point 135 is gradually worn out because of multiple impact, then it is standby to take turns to second
Contact salient point 136 bears the shock of projective structure 137.Therefore, because the key-press module 1 of the present invention
In addition to thering is main contact salient point 134 to can be used to electrically conduct, also additionally there is the first standby contact salient point 135
With the design of the second standby contact salient point 136, it at least may be such that the service life of conducting strip component 13 extends
Only to have three times of the design of single individual contact salient point in conventional keys.
In addition, due to buffer structure 139 be elastic material form, thus active segment 133c bullets to
During fixed-conductive film 131, the buffer structure 139 being arranged on fixed-conductive film 131 can be than master
Contact salient point 134 is preferentially deformed by active segment 133c shock.In the case, buffer
Structure 139 can absorb impulsive force caused by active segment 133c, to aforementioned contact salient point during reducing striking
134~136 with the abrasion caused by projective structure 137, and then extend the service life of conducting strip component 13.
But it is not convex with foregoing main contact salient point 134, the first standby contact to should be noted that the present invention
The height size of point the 135, second standby contact salient point 136 and projective structure 137 is limited, as long as it is full
The main contact salient point 134 of foot, the first standby 135 and second standby contact salient point 136 of contact salient point to protrusion
The spacing of structure 137 is sequentially incremental embodiment, belongs to scope of the invention, and user can foundation
Actual demand adjusts the height size of said elements in this category.Certainly, the present invention nor with foregoing master
Contact salient point 134, the quantity of the first standby contact salient point 135 and the second standby contact salient point 136 are limited,
Using quantity that can also according to contact salient point of the actual demand increase and decrease with different height, moderately to adjust
The service life of whole conducting strip component.Such as in other embodiment, main contact salient point 134, first is standby
Can be respectively multiple with the quantity of contact salient point 135 and the second standby contact salient point 136.Or in other
In embodiment, standby contact salient point more different with projective structure spacing can be increased.
In addition, the flexure strip contact site of the present invention and the shape of stator contact site are unlimited, stator
Contact site can be salient point or projection, and flexure strip contact site can also be salient point or projection, or even bullet
Property piece contact site and active segment be in same plane.Such as in other embodiment, projective structure 137
It can also be made up of multiple protruding points, each protruding point corresponds respectively to connecing on fixed-conductive film 131
Touch salient point.Even, the present invention is more non-is limited with projective structure 137.Such as in other embodiment, lead
Electric piece component 13 can omit projective structure 137, and in the case, the contact on fixed-conductive film 131 is convex
Point can directly accepting activity section 133c shock and electrically conducted with active segment 133c, and buffer structure 139
Height H5 only need the height H2 of slightly above main contact salient point 134.
Furthermore the present invention nor be limited with buffer structure 139.Such as in other embodiment, conducting strip
Component 13 can also omit buffer structure 139.
Then, referring to Fig. 6, Fig. 6 is the solid of the keyboard according to depicted in one embodiment of the invention
Figure.As shown in the figure, there is provided a kind of keyboard 9, it comprises a keyboard case 91, it is multiple as previously described
1 and one foregoing circuit board 30 of key-press module.These key-press modules 1 are all provided with circuit board 30
It is placed in keyboard case 91.And these key-press modules 1 are electrically connected on circuit board 30, can be used to
The respective predetermined signal of triggering.
From the foregoing, in conducting strip component disclosed in this invention with comprising in its key-press module, removing
Have main contact salient point for fixed-conductive film and elastic conducting strip hit and outside electrically conducting, it is also extra
Standby contact salient point is provided with, thus is led when main contact salient point bears active segment reset bullet for a long time to fixation
When hitting caused by electric piece and gradually wearing out, can then using standby contact salient point as replacement, so as to
Extend the service life of conducting strip component.Accordingly, the service life of conducting strip component proposed by the invention
It can be at least in tradition only more than the several times of the design of single individual contact salient point.
In addition, during active segment bullet is to fixed-conductive film, between fixed-conductive film and active segment it
Between two buffer structures can slow down impulsive force caused by active segment, it is convex to contacting during reducing each striking
Abrasion caused by point, and then lift the service life of conducting strip component.
Although the present invention is disclosed as above with foregoing embodiment, so it is not limited to the present invention.Not
Depart from the spirit and scope of the present invention, the variation and retouching done, belong to the scope of the present invention.On
The protection domain that the present invention is defined refer to the scope of appended claims.
Claims (10)
- A kind of 1. conducting strip component, suitable for triggering a key-press module, it is characterised in that the conductive sheet set Part includes：One fixed-conductive film, to be inserted in a circuit board below the key-press module, the fixation is led Electric piece has a stator contact site；One elastic conducting strip, there is a flexure strip contact site, an assembling Duan Yuyi active segments, the elasticity Piece contact site is relative with the stator contact site, one end of the assembling section to be inserted in the circuit board, The active segment be pivotably connected the other end in the assembling section and movably positioned at the fixed-conductive film with Between the assembling section；AndAt least two contact structures with different height, it is arranged on the stator contact site or the bullet Property piece contact site, and between the fixed-conductive film and the active segment；Wherein, when the relatively close fixed-conductive film of the active segment electrically conducts with the fixed-conductive film, If at least two contact structures are located at the stator contact site, there is highest at least two contact structures The contact structures of height are in contact with the elastic conducting strip, if at least two contact structures are located at the flexure strip Contact site, there are the contact structures and the stator contact site of maximum height at least two contact structures Position is in contact.
- 2. conducting strip component as claimed in claim 1, it is characterised in that at least two contact structures bags Containing at least one main contact salient point and at least one first standby contact salient point, the height of at least one main contact salient point Height of the degree more than at least one first standby contact salient point.
- 3. conducting strip component as claimed in claim 2, it is characterised in that at least two contact structures are also Comprising at least one second standby contact salient point, the height of at least one first standby contact salient point is more than this extremely The height of few one second standby contact salient point.
- 4. conducting strip component as claimed in claim 3, it is characterised in that also comprising a projective structure, At least one main contact salient point, at least one first standby contact salient point at least one second standby contact with this Salient point is arranged at one of the stator contact site and the flexure strip contact site, the projective structure It is arranged at another of the stator contact site and the flexure strip contact site, and to should at least one master Contact salient point, at least one first standby contact salient point and at least one second standby contact salient point, wherein At least one main contact salient point, at least one first standby contact salient point at least one second standby contact with this Salient point is sequentially incremented by with the spacing of the projective structure respectively.
- 5. conducting strip component as claimed in claim 4, it is characterised in that at least one main contact salient point, The surface of at least one first standby contact salient point and at least one second standby contact salient point be coated with one layer it is resistance to Mill and conductive material；And/or the surface of the projective structure be coated with one layer it is wear-resisting and with conduction The material of property.
- 6. conducting strip component as claimed in claim 1, it is characterised in that also tied comprising at least one buffering Structure, be arranged between the fixed-conductive film and the active segment, this at least the height of a buffer structure with this extremely The height of few two contact structures meets：It is during the fixed-conductive film contacts with the elastic conducting strip An at least buffer structure is touched first, then by having connecing for maximum height in this at least two contact structures Tactile structure causes the stator contact site to be in contact with the flexure strip contact site.
- 7. conducting strip component as claimed in claim 6 a, it is characterised in that at least buffer structure is for this By being formed with compressive characteristics and the material that is electrically insulated, or, at least a buffer structure is one for this The compression spring formed with the material that is electrically insulated.
- 8. conducting strip component as claimed in claim 1, it is characterised in that the elastic conducting strip also has One bending section, be connected between the assembling section and the active segment, when the active segment by the key-press module one When key axle pushes against, the active segment is relatively distant from the fixed-conductive film and drives the bending section to bend and accumulate bullet Property potential energy, when the active segment is no longer pushed against by the key axle, the bending section discharges elastic potential energy to drive this Active segment bullet is to the fixed-conductive film.
- 9. a kind of key-press module, it is characterised in that include：One key switch, comprising a base with cavity, a key axle, just like claim 1 to 8 times Conducting strip component and an elastic component described in one, the key axle, the conducting strip component and the elastic component are set In in the base, and the key axle is movable with respect to the base；One keycap, it is sheathed on the key axle, and with the key axle towards or away from the bottom of the base It is mobile.
- 10. a kind of keyboard, it is characterised in that include：One keyboard case；Multiple key-press modules as claimed in claim 9；AndOne circuit board, the multiple key-press module are all located in the keyboard case with the circuit board, and described Multiple key-press modules are electrically connected at the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387966.4A CN107464715B (en) | 2016-06-02 | 2016-06-02 | Conductive sheet component, the key module comprising the conductive sheet component and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610387966.4A CN107464715B (en) | 2016-06-02 | 2016-06-02 | Conductive sheet component, the key module comprising the conductive sheet component and keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107464715A true CN107464715A (en) | 2017-12-12 |
| CN107464715B CN107464715B (en) | 2019-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610387966.4A Active CN107464715B (en) | 2016-06-02 | 2016-06-02 | Conductive sheet component, the key module comprising the conductive sheet component and keyboard |
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| Country | Link |
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| CN (1) | CN107464715B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI809472B (en) * | 2021-08-05 | 2023-07-21 | 致伸科技股份有限公司 | Key |
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| CN104392861A (en) * | 2014-11-26 | 2015-03-04 | 东莞市高特电子有限公司 | Small mechanical keyboard switch |
| CN204441158U (en) * | 2015-03-17 | 2015-07-01 | 温州市立桥电器有限公司 | Novel toggle switch |
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| JPH03152815A (en) * | 1989-11-08 | 1991-06-28 | Hitachi Ltd | Key input device and electronic apparatus |
| JP4046643B2 (en) * | 2003-05-13 | 2008-02-13 | 三菱自動車工業株式会社 | Steering wheel horn switch device |
| CN2817029Y (en) * | 2005-06-29 | 2006-09-13 | 达方电子股份有限公司 | Push button structure |
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| CN107464715B (en) | 2019-08-23 |
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