CN108565162A - Resilient contact and input unit - Google Patents
Resilient contact and input unit Download PDFInfo
- Publication number
- CN108565162A CN108565162A CN201810563803.6A CN201810563803A CN108565162A CN 108565162 A CN108565162 A CN 108565162A CN 201810563803 A CN201810563803 A CN 201810563803A CN 108565162 A CN108565162 A CN 108565162A
- Authority
- CN
- China
- Prior art keywords
- press section
- contact
- elastic
- wall member
- circuit board
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2235/00—Springs
- H01H2235/008—Rubber spring
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- Push-Button Switches (AREA)
Abstract
For the present invention about a kind of resilient contact and input unit, resilient contact includes press section, support portion and flexible wall member.Support portion is used for press section support on circuit boards.Support portion includes support plate part and support wall part.Support plate is partially disposed on circuit board, and support wall part extends from support plate part toward press section direction.Flexible wall member is connected between press section and support portion.Flexible wall member is from the medial eminence of support portion and extends to the periphery of press section.The junction of flexible wall member and support portion constitutes the first contact portion.Flexible wall member includes the first elastic part, elastic turning part point and the second elastic part.When press section is by pressed by external force, the elastic turning part point of flexible wall member generates deformation, and flexible wall member drives support portion to move down, so that the first contact portion touches circuit board.The triggering stroke of resilient contact and input unit in pressing is shorter, and the construction of switch for capableing of fast reaction may be implemented.
Description
Technical field
The present invention relates to a kind of contact and input unit more particularly to a kind of resilient contact and apply resilient contact
Input unit.
Background technology
Keyboard is calculator and the important input equipment of various automation equipments.In general, keyboard includes Thin-film key
Disk and mechanical keyboard, wherein membrane keyboard with it is at low cost, make the advantages such as simpler, increasingly have been favored by people.Film
Keyboard also becomes the mainstream of current keyboard in the market.
However, existing membrane keyboard pressing when can have apparent paragraph feel, and trigger stroke it is longer, also without
Method is combined with mechanical switch to realize the construction of switch for capableing of fast reaction.Therefore, the triggering stroke of membrane keyboard, power with
There is prodigious room for improvement in feel.
Invention content
In view of the problems in prior art, the present invention provides a kind of resilient contact, has shorter triggering stroke.
According to an aspect of the present invention, the present invention proposes a kind of resilient contact, including：
Press section, for pressing operation；
Support portion, on circuit boards, support portion to include support plate part and support wall part, branch by press section support
Gusset portion is placed on circuit boards, and support wall part extends from support plate part toward press section direction；And
Flexible wall member, flexible wall member are connected between press section and support portion, medial eminence of the flexible wall member from support portion
And the periphery of press section, junction the first contact portion of composition of flexible wall member and support portion are extended to, wherein flexible wall member wraps
The first elastic part, elastic turning part point and the second elastic part are included, the first elastic part is connected to support portion and transfers with elasticity
Between part, elastic turning part point is connected between the first elastic part and the second elastic part, and the second elastic part is connected to
Elastic turning part point is between press section；
Wherein, when press section is not by pressed by external force, wall part and the first contact portion is supported to keep dividing with circuit board
From；
Wherein, when press section is by pressed by external force, the elastic turning part of flexible wall member point generates deformation, and flexible wall member with
Dynamic support portion moves down, so that the first contact portion touches circuit board.
As optional technical solution, elastic turning part point includes the first return portion and the second return portion, first turn
Folding part point is located at junction of the elastic turning part point with the first elastic part, and the second return portion is located at elastic turning part and divides and the
The junction of two elastic parts, when press section is by pressed by external force, the first return portion and/or the bending of the second return portion, with
Support portion is driven to move down.
As optional technical solution, the bottom surface of the first contact portion is formed for when press section is depressed and circuit board
First contact surface of contact；Or
First contact portion includes the first contact extended downwardly, and the bottom surface of the first contact is formed in press section
When being depressed and the first contact surface of circuit board contacts.
As optional technical solution, the bottom of press section includes the second contact portion, the bottom surface shape of the second contact portion
At for when press section is depressed and the second contact surface of circuit board contacts；
Wherein, moved down by pressed by external force when press section first apart from when, flexible wall member drives support portion to moving down
It is dynamic, so that the first contact portion touches circuit board, when press section moves down second distance by pressed by external force, the second contact
Part touching circuit board, second distance are more than the first distance.
As optional technical solution, elastic turning part point includes the first return portion and the second return portion, first turn
Folding part point is located at junction of the elastic turning part point with the first elastic part, and the second return portion is located at elastic turning part and divides and the
The junction of two elastic parts, when press section moved down by pressed by external force first apart from when, the first return portion and/or
Two return portions are bent, and flexible wall member drives support portion to move down, so that the first contact portion touches circuit board, work as press section
When being moved down second distance by pressed by external force, the first return portion and/or the bending of the second return portion, so that the second contact
Part touching circuit board.
As optional technical solution, the second contact portion includes the second contact extended downwardly, the second contact
Bottom surface is formed for when press section is depressed and the second contact surface of circuit board contacts.
As optional technical solution, when press section is not by pressed by external force, which is higher than or waits
In the first elastic part position；Wherein when press section is by pressed by external force, elastic turning part divides position to be less than the first elastic part
Position.
As optional technical solution, the thickness of press section is more than the wall thickness of flexible wall member.
Another party of the present invention is designed to provide a kind of contact film, is applied to the input units such as keyboard.
According to another aspect of the present invention, the present invention provides a kind of contact film, including junctional membrane and multiple above-mentioned elasticity
Contact, those resilient contacts are made of one piece with junctional membrane.
Another party of the present invention is designed to provide a kind of input unit, has shorter triggering stroke.
According to another aspect of the present invention, the present invention provides a kind of input unit, including：
Circuit board；
Mechanical switch, side, mechanical switch include on circuit boards for mechanical switch setting：
There is upper through-hole and lower through-hole, upper through-hole to be located at case top for shell, shell, and lower through-hole is located at housing bottom；
Axis is triggered, triggering axis is arranged in shell, and triggering axis can be moved up and down with respect to shell in higher position and compared with low level
Between setting, it may pass through through-hole at the top of triggering axis and stretch out upwards outside shell, triggering axis bottom end may pass through lower through-hole and stretch downwards
Go out outside shell；With
Upward restoring force component, is set in shell, when the power that is not triggered at the top of triggering axis presses, upward restoring force group
Part makes triggering axis be moved upward to higher position；And
Resilient contact, resilient contact are connected between mechanical switch and circuit board, and resilient contact includes：
Press section；
Support portion, on circuit boards, support portion to include support plate part and support wall part, branch by press section support
Gusset portion is placed on circuit boards, and support wall part extends from support plate part toward press section direction；And
Flexible wall member, flexible wall member are connected between press section and support portion, medial eminence of the flexible wall member from support portion
And the periphery of press section, junction the first contact portion of composition of flexible wall member and support portion are extended to, wherein flexible wall member wraps
The first elastic part, elastic turning part point and the second elastic part are included, the first elastic part is connected to support portion and transfers with elasticity
Between part, elastic turning part point is connected between the first elastic part and the second elastic part, and the second elastic part is connected to
Elastic turning part point is between press section；
Wherein, when the top for triggering axis is not triggered power pressing, support wall part and the first contact portion and circuit
Plate keeps separation；
Wherein, when trigger power pressing is triggered at the top of axis when, trigger axis bottom end move down stretch out shell it is outer and
It abuts press section and press section is made to move down, and then the elastic turning part point of flexible wall member is made to generate deformation, and flexible wall member
Support portion is driven to move down, so that the first contact portion touches circuit board.
As optional technical solution, circuit board further includes at least one switch electrode, and switch electrode setting connects first
The lower section of contact portion point is stretched out outside shell when the bottom end of triggering axis moves down and abuts press section, and makes press section to moving down
When dynamic, the elastic turning part point of flexible wall member generates deformation, and flexible wall member drives support portion to move down, so that the first contact
Touch the switch electrode of circuit board in part.
As optional technical solution, the bottom surface of the first contact portion is formed for when press section is depressed and circuit board
First contact surface of contact, the bottom of press section include the second contact portion, the bottom surface of the second contact portion formed for by
Splenium depress when and circuit board contacts the second contact surface, circuit board further includes at least one switch electrode, and switch electrode is simultaneously
Extend in the lower section of the first contact surface and the second contact surface；
Wherein, it stretches out outside shell when the bottom end of triggering axis moves down and abuts press section and press section is made to move down
First apart from when, flexible wall member drives support portion to move down so that the first contact portion touching switch electrode and keep switch electric
Pole be connected, when triggering axis bottom end move down stretch out shell outside and abut press section and make press section move down second away from
From when, at least the second contact portion touching switch electrode and so that switch electrode is connected, second distance be more than the first distance.
As optional technical solution, the elastic turning part point of resilient contact includes the first return portion and the second turnover
Part, the first return portion are located at junction of the elastic turning part point with the first elastic part, and the second return portion is located at elasticity
The junction of return portion and the second elastic part, when the bottom end of triggering axis moves down outside stretching shell and abuts press section
And make press section move down first apart from when, the first return portion and/or the second return portion bending, flexible wall member drive branch
Support part moves down, so that the first contact portion touching switch electrode, stretches out when the bottom end of triggering axis moves down outside shell
And when abutting press section and press section being made to move down second distance, the first return portion and/or the bending of the second return portion, with
Make the second contact portion touching switch electrode.
As optional technical solution, press section includes the recessed portion that the upper table in self-pressing portion is recessed downwards, recessed portion
The bottom end of corresponding triggering axis, triggers bottom end and the recess contact of axis.
In conclusion the input unit of this resilient contact of the resilient contact and application of the present invention, by elastic connecting
Press section, support portion and flexible wall member are set in contact element, and the junction of flexible wall member and support portion constitutes the first contact portion.
When resilient contact is by pressed by external force, the elastic turning part point of flexible wall member generates deformation, and flexible wall member drives support portion
It moves down, so that the first contact portion touches circuit board.Therefore, resilient contact of the invention and input unit are in pressing
With shorter triggering stroke, the construction of switch for capableing of fast reaction may be implemented.
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.
Description of the drawings
Fig. 1 is the diagrammatic cross-section of the input unit of one embodiment of the invention；
Fig. 2 is the schematic top plan view of the input unit of one embodiment of the invention；
Fig. 3 is the decomposition diagram of the input unit of one embodiment of the invention；
Fig. 4 A and Fig. 4 B are the action schematic diagrams of the input unit of one embodiment of the invention；
Fig. 5 is the schematic diagram of the resilient contact of one embodiment of the invention；
Fig. 6 is the partial cutaway schematic of the resilient contact of one embodiment of the invention；
Fig. 7 A~Fig. 7 D are the action schematic diagrams of the resilient contact of one embodiment of the invention；
Fig. 8 is the velo curves schematic diagram of the resilient contact of one embodiment of the invention；
Fig. 9 is the schematic diagram of the contact film of one embodiment of the invention.
Specific implementation mode
For the present invention aforementioned and other technology contents, feature and effect, following cooperation with reference to schema it is a kind of compared with
In the detailed description of good embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as：Above and below,
It is left and right, front or rear etc., only it is the direction with reference to annexed drawings.Therefore, the direction term used is for illustrating not to be used for limiting
The system present invention.
Fig. 1 is the diagrammatic cross-section of the input unit K of one embodiment of the invention.Fig. 1 is please referred to, input unit K includes electricity
Road plate 1, mechanical switch 300 and resilient contact 100.Mechanical switch 300 is arranged in the top of circuit board 1.Mechanical switch 300 wraps
Include shell 3, triggering axis 5 and upward restoring force component 7.Triggering axis 5 can be moved up and down with respect to shell 3.Resilient contact 100 connects
Between mechanical switch 300 and circuit board 1.Resilient contact includes press section 110, support portion 130 and flexible wall member 150.Its
In, flexible wall member 150 and the junction of support portion 130 constitute the first contact portion 157.When the top 51 of triggering axis 5 is not touched
Have an effect pressing when, the first contact portion 157 of resilient contact 100 keeps detaching with circuit board 1.When the top 51 of triggering axis 5
When the power that is triggered (being not depicted in Fig. 1) presses, the bottom end 53 of triggering axis 5 moves down and abutting makes resilient contact 100
Press section 110 moves down, and then flexible wall member 150 is made to generate deformation, and flexible wall member 150 drives support portion 130 to moving down
It is dynamic, so that the first contact portion 157 touches circuit board 1, and reach the purpose for pressing and triggering input unit K.The present embodiment is logical
It crosses setting and includes the resilient contact 100 of support portion 130 and flexible wall member 150, and set between support portion 130 and flexible wall member 150
The first contact portion 157 is set, keeps triggering strokes of the input unit K in pressing shorter, may be implemented to be capable of opening for fast reaction
Close structure.It will be discussed in greater detail below specific details of operation.
It is the schematic top plan view of the input unit K of one embodiment of the invention referring to Fig. 2 and Fig. 3, Fig. 2, Fig. 3 is this
Invent the decomposition diagram of the input unit K of an embodiment.Specifically, shell 3 has upper through-hole 31 and lower through-hole 33.It is upper logical
Hole 31 is located at the top of shell 3, and lower through-hole 33 is located at the bottom of shell 3.Axis 5 is triggered to be arranged in shell 3.Triggering axis 5 can phase
Shell 3 is moved up and down between higher position A1 and lower position (being not depicted in Fig. 1).The top 51 of triggering axis 5 may pass through
Through-hole 31 and stretch out upwards outside shell 3, triggering axis 5 bottom end 53 may pass through lower through-hole 33 and extend downwardly outside shell 3.Upwards
Restoring force component 7 is set in shell 3.Wherein, shell 3 for example may include upper shell 3a and lower housing 3b, allow triggering axis 5 and
Upward restoring force component 7 can facilitate setting, but the present invention is not limited thereto makes.And as shown in Figure 1, when the top of triggering axis 5
Portion 51 be not triggered power pressing when, upward restoring force component 7 can make triggering axis 5 be moved upward to higher position A1.
Resilient contact 100 is connected between mechanical switch 300 and circuit board 1.The support portion 130 of resilient contact 100
For by the support of press section 110, on the circuit card 1, flexible wall member 150 to be connected between press section 110 and support portion 130.Elasticity
Wall portion 150 is from the medial eminence of support portion 130 and extends to the periphery of press section 110.Flexible wall member 150 and support portion 130
Junction constitutes the first contact portion 157.And as shown in Figure 1, when trigger axis 5 top 51 be not triggered power pressing when, elasticity
First contact portion 157 of contact 100 is detached with the holding of circuit board 1.
It is the action signal of the input unit K of one embodiment of the invention referring to Fig. 4 A and Fig. 4 B, Fig. 4 A and Fig. 4 B
Figure.As shown in Figure 4 A, when the top 51 of triggering axis 5 is by the first trigger force Fa pressings, triggering axis 5 is moved to the first lower position A2
When, the bottom end 53 of triggering axis 5, which moves down, to be stretched out outside shell 3 and abuts press section 110, and press section 110 is made to move down,
And then flexible wall member 150 is made to generate deformation, and flexible wall member 150 drives support portion 130 to move down, so that the first contact portion
157 touching circuit boards 1, reach the purpose that input unit K is triggered by the first contact portion 157.
Subsidiary one carries, and the bottom of the press section 110 of resilient contact 100 for example can also include the second contact portion
113.As shown in Figure 4 B, when the top 51 of triggering axis 5 is by the second trigger force Fb pressing, triggering axis 5 from the first lower position A2 after
Continuous when being moved downward to the second lower position A3, the bottom end 53 of triggering axis 5 moves down that stretch out shell 3 outer and abut press section
110, and press section 110 is made to move down, and then flexible wall member 150 is made to generate a greater amount of deformation.Flexible wall member 150 simultaneously drives
Support portion 130 moves down, so that the first contact portion 157 and the second contact portion 113 touch circuit board 1, reaches first
Contact portion 157 first touches circuit board 1, first triggers input unit K and sends out switch conduction electric signal；Then the second contact portion
113 touch circuit board 1 again later, continue the triggering state of input unit K, continue and export the switch conduction electric signal；So really
It protects input unit K and all keeps triggering during entire pressing, the switch conduction telecommunication without malfunctioning two interruptions of output
Number, and it is mistaken for key press trigger action twice.Wherein, the detailed action details of resilient contact 100, below will be detailed
It describes in detail bright.
In addition, the upward restoring force component 7 of mechanical switch 300 can for example be realized using spring, but the present invention is not
As limitation.And the shell 3 of mechanical switch 300 shown in Fig. 1~Fig. 4 B, the form of triggering axis 5 and upward restoring force component 7
By way of example only with setting, can also be rubber elasticity body, polarity other than Hookean spring not to limit the present invention
To the magnet etc. of reprimand.As long as triggering axis 5 is not triggered when power (the first trigger force Fa or the second trigger force Fb) pressing, back up
Multiple power component 7 can make triggering axis 5 be moved upward to higher position A1.And the top of mechanical switch 300 for example can be with
Be arranged keycap (not shown), for user carry out pressing operation, but the present invention is not limited thereto system.
Specifically, the circuit board 1 of input unit K further includes switch electrode 11.Switch electrode 11 can be with when touched
Conducting.Switch electrode 11 is arranged in the lower section of the first contact portion 157.When the bottom end 53 of triggering axis 5 moves down stretching shell
When abutting press section 110 outside body 3, and press section 110 being made to move down, the first contact portion 157 can be made to touch circuit board 1
Switch electrode 11 simultaneously makes switch electrode 11 be connected, and reaches the purpose that input unit K is triggered by the first contact portion 157.It is subsidiary
One carries, and switch electrode 11 can also for example be extended on the lower section of the second contact portion 113 simultaneously.When the bottom of triggering axis 5
End 53, which moves down, to be stretched out outside shell 3 and abuts press section 110, and press section 110 is made to move down, and makes the second contact portion
When the switch electrode 11 of 113 touching circuit boards 1, switch electrode 11 can be made to be connected, reach the first contact portion 157 and first touch and open
11 outer peripheral edge region of powered-down pole first triggers input unit K and sends out switch conduction electric signal；Then the second contact portion 113 is later
The central area of touching switch electrode 11 again continues the triggering state of input unit K, continues and exports the switch conduction electric signal；
So ensure that input unit K keeps triggering during entire pressing, the switch without malfunctioning two interruptions of output is led
Energization signal, and it is mistaken for key press trigger action twice.
It is the schematic diagram of the resilient contact 100 of Fig. 1~Fig. 4 B illustrated embodiments referring to Fig. 5 and Fig. 6, Fig. 5, figure
6 be the partial cutaway schematic of the resilient contact 100 of Fig. 1~Fig. 4 B illustrated embodiments.Specifically, resilient contact 100
Including press section 110, support portion 130 and flexible wall member 150.Support portion 130 is used for the support of press section 110 on the circuit card 1.
Support portion 130 includes support plate part 131 and support wall part 133.It places on the circuit card 1 support plate part 131.Supporting walls
Part 133 extends from support plate part 131 toward 110 direction of press section.Flexible wall member 150 is connected to press section 110 and support portion
Between 130.Flexible wall member 150 is from the medial eminence of support portion 130 and extends to the periphery of press section 110.Flexible wall member 150 with
The junction of support portion 130 constitutes the first contact portion 157, and wherein flexible wall member 150 includes the first elastic part 153, elasticity
Return portion 151 and the second elastic part 155.First elastic part 153 is connected to support portion 130 and elastic turning part point 151
Between.Elastic turning part point 151 is connected between the first elastic part 153 and the second elastic part 155.Second elastic part
155 are connected to elastic turning part point between 151 and press section 110.
As shown in fig. 6, when press section 110 is not by pressed by external force, press section 110 is located at first position B1, supports wall portion
Points 133 and first contact portion 157 detached with the holding of circuit board 1.And when press section 110 is pressed by external force (being not depicted in Fig. 6)
When pressure, the elastic turning part of flexible wall member 150 point 151 will produce deformation, and flexible wall member 150 drives support portion 130 to moving down
It is dynamic, so that the first contact portion 157 touches circuit board 1.
Referring to Fig. 7 A~7D, Fig. 7 A~Fig. 7 D are that the action of the resilient contact 100 of one embodiment of the invention is shown
It is intended to.As shown in Figure 7 A, when the press section of resilient contact 100 110 moves down the first distance by the first external force F1 pressings
When d1, press section 110 is moved to position B2 by first position B1.Flexible wall member 150 drives support portion 130 to move down, so that
First contact portion 157 touches circuit board 1.Then, as shown in Figure 7 B, outside the press section of resilient contact 100 110 is by second
When power F2 is pressed and continued to be moved downward to position B3 from position B2, the elastic turning part point 151 of flexible wall member 150 can be further
Bending.Then, as seen in figure 7 c, second distance d2 is moved down from position B1 when press section 110 is pressed by third external force F3,
When press section 110 is moved to the 4th position B4 by first position B1, the elastic turning part point 151 of flexible wall member 150 can be further
Bending, the first contact portion 157 and the second contact portion 113 of press section 110 touch circuit board 1.Second distance d2 is more than
First distance d1.Then, as illustrated in fig. 7d, when the press section of resilient contact 100 110 by the 4th external force F4 pressing and from position
When B4 continues to be moved downward to position B5, the elastic turning part point 151 of flexible wall member 150 can be further bent；It first connects at this time
Contact portion point 157 may be detached with 11 outer peripheral edge region of switch electrode, but because the second contact portion 113 still keeps being connected to out
On 11 central area of powered-down pole, admittedly the triggering state of input unit K can be continued, the switch conduction electric signal is persistently exported；So
The switch conduction electric signal of malfunction two interruptions of output is avoided, and is mistaken for key press trigger action twice.Wherein, such as
Fig. 1, Fig. 4 A, shown in Fig. 4 B, the first external force F1, the second external force F2, third external force F3, the 4th external force F4 are touched in triggering axis 5
Have an effect (the first trigger force Fa or the second trigger force Fb) pressing when, triggering axis 5 bottom end 53 move down and abut press section
110 generations.
It is the velo curves schematic diagram of the resilient contact 100 of one embodiment of the invention please refer to Fig. 8, Fig. 8.Fig. 8
X-axis shown by be stroke that press section 110 moves down, shown by Y-axis is the external force size for pressing press section 110.
When press section 110 is not by pressed by external force (external force=0N), press section 110 is located at first position B1.When press section 110 is by first
When external force F1 pressings, press section 110 is moved to second position B2 by first position B1, so that the first contact portion 157 touches electricity
Road plate 1.When press section 110 is moved down by the second external force F2 pressings, 151 meetings of elastic turning part point of flexible wall member 150
Further bending.When press section 110 moves down second distance d2 by third external force F3 pressings from position B1, press section
110 are moved to the 4th position B4 by first position B1, and the elastic turning part point 151 of flexible wall member 150 can further be bent, press
First contact portion 157 and the second contact portion 113 in portion 110 touch circuit board 1.When press section 110 is by the 4th external force F4
When pressing and moving down, the elastic turning part point 151 of flexible wall member 150 can be further bent.Therefore as shown in Figure 8, as long as
The external force F1 of very little, so that it may trigger input unit K to allow the first contact portion 157 to touch circuit board 1.The present embodiment is by setting
Set the resilient contact 100 including support portion 130 Yu flexible wall member 150, make input unit K pressing when triggering stroke compared with
It is short, the construction of switch for capableing of fast reaction may be implemented.Feel when push input device K can more be adjusted.
Specifically, the elastic turning part of flexible wall member 150 point 151 includes the first return portion 1511 and the second turning point
Divide 1513.First return portion 1511 is located at the junction of elastic turning part point 151 and the first elastic part 153, the second turnover
Part 1513 is located at the junction of elastic turning part point 151 and the second elastic part 155.When press section 110 is by pressed by external force,
First return portion 1511 and/or the bending of the second return portion 1513, to drive support portion 130 to move down.Specifically, when
When press section 110 moves down the first distance d1 by the first external force F1 pressings, the turnover of the first return portion 1511 and/or second
Part 1513 is bent, and flexible wall member 150 drives support portion 130 to move down, so that the first contact portion 157 touches circuit board 1.
When press section 110 moves down second distance d2 by third external force F3 pressing, the first return portion 1511 and/or second turn
1513 bending of folding part point, so that the first contact portion 157 and the second contact portion 113 touch circuit board 1.
Subsidiary one carries, and the bottom surface of the first contact portion 157 of resilient contact 100 can for example be formed for pressing
When portion 110 is depressed, the first contact surface 1573 contacted with circuit board 1, and reach to trigger by the first contact surface 1573 and input
The purpose of device K.
In addition, the first contact portion 157 of resilient contact 100 for example may include the first contact extended downwardly
1571.The bottom surface of first contact 1571 forms the first contact surface for being contacted with circuit board 1 when press section 110 is depressed
1573, and reach the purpose that input unit K is triggered by the first contact surface 1573.It, can by the setting of the first contact 1571
Further to adjust the feel of push input device K, such as the stroke etc. of triggering can be shortened.Wherein, shown by Fig. 6
The shape of one contact 1571 with pattern by way of example only, not limiting the present invention.In the other embodiment of the present invention
In, the first contact portion 157 can not include for example the first contact 1571, and only include the first contact surface 1573.
In addition, the bottom surface of the second contact portion 113 of the press section 110 of resilient contact 100 can for example form and be used for
When press section 110 is depressed, the second contact surface 1133 contacted with circuit board 1, and reach and triggered by the second contact surface 1133
The purpose of input unit K.
On the other hand, the second contact portion 113 of the press section 110 of resilient contact 100 for example can also include downward
The second contact 1131 extended, and the bottom surface of the second contact 1131 is formed for when press section 110 is depressed and circuit
The second contact surface 1133 that plate 1 contacts.By the setting of the second contact 1131, push input device can be further adjusted
The feel of K.Wherein, the shape Yu pattern of the second contact 1131 shown by Fig. 6 by way of example only, not limiting this
Invention.In other embodiments of the invention, the second contact portion 113 for example can not include the second contact 1131, and only
Including the second contact surface 1133.
It is worth noting that, when the press section of resilient contact 100 110 is not by pressed by external force, the bullet of flexible wall member 150
Property return portion 151 position be greater than or equal to the first elastic part 153 position.And when press section 110 is by pressed by external force,
The position of elastic turning part point 151 can be less than the position of the first elastic part 153.And the press section 110 of resilient contact 100
Thickness is, for example, the wall thickness more than flexible wall member 150, therefore when press section 110 is by pressed by external force, flexible wall member 150 can produce
Raw deformation, but the present invention is not limited thereto system.
Subsidiary one carries, and the press section 110 of resilient contact 100 can also for example include the upper surface in self-pressing portion 110
To the recessed portion 111 of lower recess.And as shown in Fig. 1, Fig. 4 A or Fig. 4 B, recessed portion 111 corresponds to the triggering axis 5 of mechanical switch 300
Bottom end 53, triggering axis 5 bottom end 53 contacted with recessed portion 111.By the setting of recessed portion 111, when the top of triggering axis 5
Portion 51 be triggered power (the first trigger force Fa or the second trigger force Fb) pressing when, triggering axis 5 bottom end 53 abut recessed portion
111, and press section 110 is made to move down.Therefore, mechanical switch 300 when pressed can be efficiently and accurately with dynamic elasticity
The action of contact 100.
Fig. 9 is please referred to, Fig. 9 is the schematic diagram of the contact film of one embodiment of the invention.Contact film M includes junctional membrane
Resilient contact 100 described in 200 and multiple Fig. 1~Fig. 8, wherein the support plate part 131 of each resilient contact 100 with connect
Film 200 connects.These resilient contacts 100 can for example be made of one piece with junctional membrane 200.Furthermore, these
Resilient contact 100 for example can be to be made with silica gel material integrated molding, but the present invention is not limited thereto with junctional membrane 200
System.Contact film M input units such as can be applied to keyboard including multiple resilient contacts 100, but the present invention is not
As limitation.
In conclusion the input unit of this resilient contact of the resilient contact and application of the present invention, by elastic connecting
Press section, support portion and flexible wall member are set in contact element, and the junction of flexible wall member and support portion constitutes the first contact portion.
When resilient contact is by pressed by external force, the elastic turning part point of flexible wall member generates deformation, and flexible wall member drives support portion
It moves down, so that the first contact portion touches circuit board.Therefore, resilient contact of the invention and input unit are in pressing
With shorter triggering stroke, the construction of switch for capableing of fast reaction may be implemented.
By the above detailed description of preferred embodiments, it is intended to more clearly describe the feature of the present invention and spirit,
And not protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover various changes and has being arranged in the scope of the claims of the invention to be applied of equality.Cause
This, scope of the claims of the invention should illustrate the most wide explanation of work according to above-mentioned, to cause it to cover institute
Possible change and the arrangement of tool equality.
Claims (14)
1. a kind of resilient contact, which is characterized in that including：
Press section, for pressing operation；
Support portion, on circuit boards, which to include support plate part and support wall part, is somebody's turn to do by press section support
Support plate is partially disposed on the circuit board, which extends from the support plate part toward the press section direction；And
Flexible wall member, the flexible wall member are connected between the press section and the support portion, and the flexible wall member is out of this support portion
The periphery of the press section is swelled and extended in side, and the flexible wall member and the junction of the support portion constitute the first contact portion,
In the flexible wall member include that the first elastic part, elastic turning part point and the second elastic part, first elastic part are connected to
Between the support portion and the elastic turning part point, the elastic turning part point is connected to first elastic part and second elastic portion
/, which is connected to the elastic turning part point between the press section；
Wherein, when the press section is not by pressed by external force, the support wall part and first contact portion are protected with the circuit board
Hold separation；
Wherein, when the press section is by pressed by external force, elastic turning part point of the flexible wall member generates deformation, and the elastic wall
Portion drives the support portion to move down, so that first contact portion touches the circuit board.
2. resilient contact according to claim 1, which is characterized in that the elastic turning part point includes the first return portion
And second return portion, first return portion are located at junction of the elastic turning part point with first elastic part, this
Two return portions are located at junction of the elastic turning part point with second elastic part, when the press section is by pressed by external force,
First return portion and/or second return portion bending, to drive the support portion to move down.
3. resilient contact according to claim 1, which is characterized in that the bottom surface of first contact portion formed for
When the press section is depressed with the first contact surface of the circuit board contacts；Or
First contact portion includes the first contact extended downwardly, and the bottom surface of first contact is formed in the pressing
When portion is depressed with the first contact surface of the circuit board contacts.
4. resilient contact according to claim 3, which is characterized in that the bottom of the press section includes the second contact site
Point, the bottom surface of second contact portion is formed for when the press section depress and the second contact surface of the circuit board contacts；
Wherein, moved down by pressed by external force when the press section first apart from when, which drives the support portion downward
It is mobile, so that first contact portion touches the circuit board, when the press section moves down second distance by pressed by external force,
Second contact portion touches the circuit board, which is more than first distance.
5. resilient contact according to claim 4, which is characterized in that the elastic turning part point includes the first return portion
And second return portion, first return portion are located at junction of the elastic turning part point with first elastic part, this
Two return portions are located at junction of the elastic turning part point with second elastic part, when the press section by pressed by external force and to
Lower movement this first apart from when, first return portion and/or second return portion bending, which drives the support
Portion moves down so that first contact portion touches the circuit board, when the press section moved down by pressed by external force this
Two apart from when, first return portion and/or second return portion bending so that second contact portion touches the circuit
Plate.
6. resilient contact according to claim 4, which is characterized in that second contact portion includes extended downwardly
The bottom surface of two contacts, second contact is formed for being contacted with the second of the circuit board contacts when the press section is depressed
Face.
7. resilient contact according to claim 1, which is characterized in that when the press section is not by pressed by external force, the bullet
Property return portion position be greater than or equal to the first elastic part position；Wherein when the press section is by pressed by external force, the elasticity
Return portion position is less than the first elastic part position.
8. according to resilient contact shown in claim 1, which is characterized in that the thickness of the press section is more than the flexible wall member's
Wall thickness.
9. a kind of contact film, which is characterized in that including junctional membrane and multiple such as bullets described in any item of the claim 1 to 8
Property contact, those resilient contacts are made of one piece with the junctional membrane.
10. a kind of input unit, which is characterized in that including：
Circuit board；
Mechanical switch, side, the mechanical switch include on the board for mechanical switch setting：
Shell, the shell have upper through-hole and lower through-hole, and through-hole is located at the case top on this, which is located at the shell bottom
Portion；
Trigger axis, the triggering axis be arranged in the shell, the triggering axis can be moved up and down with respect to the shell in higher position and compared with
Between lower position, it may pass through through-hole on this at the top of the triggering axis and stretch out upwards outside the shell, which may pass through this
Lower through-hole and extend downwardly outside the shell；With
Upward restoring force component, is set in the shell, when the power that is not triggered at the top of the triggering axis presses, the upward restoring force
Component makes the triggering axis be moved upward to the higher position；And
Resilient contact, the resilient contact are connected between the mechanical switch and the circuit board, which includes：
Press section；
Support portion, for by the press section support on the board, the support portion include support plate part and support wall part,
The support plate is partially disposed on the circuit board, which extends from the support plate part toward the press section direction；With
And
Flexible wall member, the flexible wall member are connected between the press section and the support portion, and the flexible wall member is out of this support portion
The periphery of the press section is swelled and extended in side, and the flexible wall member and the junction of the support portion constitute the first contact portion,
In the flexible wall member include that the first elastic part, elastic turning part point and the second elastic part, first elastic part are connected to
Between the support portion and the elastic turning part point, the elastic turning part point is connected to first elastic part and second elastic portion
/, which is connected to the elastic turning part point between the press section；
Wherein, when the top of the triggering axis is not triggered power pressing, the support wall part and first contact portion with this
Circuit board keeps separation；
Wherein, when the power that is triggered at the top of the triggering axis presses, the bottom end of the triggering axis, which moves down, to be stretched out outside the shell
And abut the press section and the press section is made to move down, and then elastic turning part point of the flexible wall member is made to generate deformation,
And the flexible wall member drives the support portion to move down, so that first contact portion touches the circuit board.
11. input unit according to claim 10, which is characterized in that the circuit board further includes at least one switch electricity
Pole, the switch electrode are arranged in the lower section of first contact portion, stretch out the shell when the bottom end of the triggering axis moves down
When abutting the press section outside, and the press section being made to move down, elastic turning part point of the flexible wall member generates deformation, and
The flexible wall member drives the support portion to move down, so that first contact portion touches the switch electrode of the circuit board.
12. input unit according to claim 10, which is characterized in that the bottom surface of first contact portion formed for
With the first contact surface of the circuit board contacts when press section is depressed, the bottom of the press section includes the second contact portion, should
The bottom surface of second contact portion is formed for when the press section depress and the second contact surface of the circuit board contacts, the circuit board
Further include at least one switch electrode, which extends in the lower section of first contact surface and second contact surface simultaneously；
Wherein, it stretches out outside the shell when the bottom end of the triggering axis moves down and abuts the press section and keep the press section downward
Mobile first apart from when, which drives the support portion to move down, so that first contact portion touches switch electricity
Pole and so that the switch electrode is connected, stretch out outside the shell when the bottom end of the triggering axis moves down and abut the press section and make
When the press section moves down second distance, at least second contact portion touches the switch electrode and the switch electrode is made to lead
Logical, which is more than first distance.
13. input unit according to claim 12, which is characterized in that the elastic turning part subpackage of the resilient contact
The first return portion and the second return portion are included, which is located at the elastic turning part point and first elastic part
Junction, which is located at junction of the elastic turning part point with second elastic part, when the triggering axis
Bottom end move down stretch out the shell it is outer and abut the press section and make the press section move down this first apart from when, should
First return portion and/or second return portion bending, which drives the support portion to move down so that this first
Contact portion touches the switch electrode, when the bottom end of the triggering axis move down stretch out the shell outside and abut the press section simultaneously
When the press section being made to move down the second distance, first return portion and/or second return portion bending so that this
Two contact portions touch the switch electrode.
14. input unit according to claim 10, which is characterized in that the press section includes the upper surface from the press section
To the recessed portion of lower recess, which corresponds to the bottom end of the triggering axis, the bottom end of the triggering axis and the recess contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563803.6A CN108565162B (en) | 2018-06-04 | 2018-06-04 | Resilient contact and input unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810563803.6A CN108565162B (en) | 2018-06-04 | 2018-06-04 | Resilient contact and input unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565162A true CN108565162A (en) | 2018-09-21 |
| CN108565162B CN108565162B (en) | 2019-12-03 |
Family
ID=63552817
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810563803.6A Active CN108565162B (en) | 2018-06-04 | 2018-06-04 | Resilient contact and input unit |
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| Country | Link |
|---|---|
| CN (1) | CN108565162B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677268A (en) * | 1983-03-28 | 1987-06-30 | The Gates Corporation | Elastomeric switch control device |
| JPH1139994A (en) * | 1997-07-16 | 1999-02-12 | Yamaha Corp | Contact switch |
| CN202167386U (en) * | 2011-07-13 | 2012-03-14 | 苏州达方电子有限公司 | Key and keyboard thereof |
| JP2013225426A (en) * | 2012-04-23 | 2013-10-31 | Smk Corp | Switch structure of substrate |
| US20150340176A1 (en) * | 2012-04-12 | 2015-11-26 | Chang-Lung Wu | Keyboard having touch mode and character mode and method for operating the same |
| CN206059242U (en) * | 2016-09-27 | 2017-03-29 | 广东欧珀移动通信有限公司 | Silica gel push-button and the combination button containing the silica gel push-button and electronic product |
-
2018
- 2018-06-04 CN CN201810563803.6A patent/CN108565162B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4677268A (en) * | 1983-03-28 | 1987-06-30 | The Gates Corporation | Elastomeric switch control device |
| JPH1139994A (en) * | 1997-07-16 | 1999-02-12 | Yamaha Corp | Contact switch |
| CN202167386U (en) * | 2011-07-13 | 2012-03-14 | 苏州达方电子有限公司 | Key and keyboard thereof |
| US20150340176A1 (en) * | 2012-04-12 | 2015-11-26 | Chang-Lung Wu | Keyboard having touch mode and character mode and method for operating the same |
| JP2013225426A (en) * | 2012-04-23 | 2013-10-31 | Smk Corp | Switch structure of substrate |
| CN206059242U (en) * | 2016-09-27 | 2017-03-29 | 广东欧珀移动通信有限公司 | Silica gel push-button and the combination button containing the silica gel push-button and electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108565162B (en) | 2019-12-03 |
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