CN108565162B - Resilient contact and input unit - Google Patents
Resilient contact and input unit Download PDFInfo
- Publication number
- CN108565162B CN108565162B CN201810563803.6A CN201810563803A CN108565162B CN 108565162 B CN108565162 B CN 108565162B CN 201810563803 A CN201810563803 A CN 201810563803A CN 108565162 B CN108565162 B CN 108565162B
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- China
- Prior art keywords
- press section
- contact
- elastic
- support
- wall member
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- 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
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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
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 technique
Keyboard is the important input equipment of calculator and various automation equipments.In general, keyboard includes Thin-film key
Disk and mechanical keyboard, wherein membrane keyboard is increasingly had been favored by people at low cost, the production advantages such as simpler.Film
Keyboard also becomes the mainstream of current keyboard in the market.
However, existing membrane keyboard can have an apparent paragraph feel in pressing, and the stroke triggered is longer, also without
Method is in conjunction with mechanical switch to realize the construction of switch for capableing of fast reaction.Therefore, the triggering stroke of membrane keyboard, power with
There are also very big rooms for improvement in feel.
Summary of the invention
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, comprising:
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 is extended to, junction the first contact portion of composition of flexible wall member and support portion, 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 elasticity is transferred
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, and first turn
Junction of the folding part quartile in elastic turning part point with the first elastic part, the second return portion are located at elastic turning part and divide 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, when press section moves down first distance by pressed by external force, 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 greater than first distance.
As optional technical solution, elastic turning part point includes the first return portion and the second return portion, and first turn
Junction of the folding part quartile in elastic turning part point with the first elastic part, the second return portion are located at elastic turning part and divide and the
The junction of two elastic parts, when press section moves down first distance by pressed by external force, the first return portion and/or
The bending of two return portions, flexible wall member drive 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, which sets, is higher than or waits
In the first elastic part position；Wherein when press section is by pressed by external force, elastic turning part quartile is set low in the first elastic part
Position.
As optional technical solution, the thickness of press section is greater than the wall thickness of flexible wall member.
Another party of the 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 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, comprising:
Circuit board；
Mechanical switch, side, mechanical switch include: on circuit boards for mechanical switch setting
Shell, shell have upper through-hole and lower through-hole, and upper through-hole is located at case top, 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 stretched out outside shell upwards, triggering axis bottom end may pass through lower through-hole and stretch downwards
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 is extended to, junction the first contact portion of composition of flexible wall member and support portion, 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 elasticity is transferred
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, the bottom end for triggering axis move down stretch out shell it is outer and
It abuts press section and moves down press section, 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, and the bottom surface of the second contact portion is formed for pressing
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 move down press section
When first distance, flexible wall member drives support portion to move down so that the first contact portion touching switch electrode and make switch electricity
Pole conducting, 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 switch electrode is connected, second distance be greater than 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 when press section being made to move down first distance, the first return portion and/or the bending of the second return portion, flexible wall member drive branch
Support part moves down, so that the first contact portion touching switch electrode, stretches out outside shell when the bottom end of triggering axis moves down
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 upper surface in self-pressing portion to the recessed portion of lower recess, 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 resilient contact of the invention and application, 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.
Detailed description of the invention
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 is the action schematic diagram 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 embodiment
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: upper and lower,
It is left and right, front or rear etc., it is only the direction with reference to annexed drawings.Therefore, the direction term used is for illustrating not to be used to limit
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.The top of circuit board 1 is arranged in mechanical switch 300.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, the junction of flexible wall member 150 and support portion 130 constitutes the first contact portion 157.When the top 51 of triggering axis 5 is not touched
It has an effect when pressing, the first contact portion 157 of resilient contact 100 is separated with the holding of 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 is moved down and abutting makes resilient contact 100
Press section 110 moves down, and then so that flexible wall member 150 is generated 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 stroke 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 stretched out outside shell 3 upwards, 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 housing 3a and lower case 3b, allow triggering axis 5 and
Upward restoring force component 7 can be convenient 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 trigger 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 separated with the holding of circuit board 1.
It is the movement 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 pressed by the first trigger force Fa, 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 moves down press section 110,
And then so that flexible wall member 150 is generated 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 mentions, 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 triggering axis 5 top 51 press by the second trigger force Fb, trigger 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 move down press section 110, 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 issues 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 movement 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 use spring for example to realize, but the present invention is not
As limitation.And the shell 3 of mechanical switch 300 shown in FIG. 1 to FIG. 4 B triggers axis 5 and the upwards form of restoring force component 7
By way of example only with setting, it is not intended to limit the invention, other than Hookean spring, is also possible to rubber elasticity body, polarity
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.The lower section of the first contact portion 157 is arranged in switch electrode 11.When the bottom end 53 of triggering axis 5 moves down stretching shell
When abutting press section 110 outside body 3, and moving down press section 110, the first contact portion 157 can be made to touch circuit board 1
Switch electrode 11 simultaneously is connected in switch electrode 11, reaches the purpose that input unit K is triggered by the first contact portion 157.It is subsidiary
One mentions, 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 moves down press section 110, 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
Powered-down 11 outer peripheral edge region of pole first triggers input unit K and issues 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 to FIG. 4 B illustrated embodiment referring to Fig. 5 and Fig. 6, Fig. 5, figure
6 be the partial cutaway schematic of the resilient contact 100 of FIG. 1 to FIG. 4 B illustrated embodiment.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, press section 110 is located at first position B1 when press section 110 is not by pressed by external force, wall portion is supported
Points 133 and first contact portion 157 separated 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 can 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.
Referring to Fig. 7 A~7D, Fig. 7 A~Fig. 7 D is that the movement of the resilient contact 100 of one embodiment of the invention is shown
It is intended to.As shown in Figure 7 A, first distance is moved down when the press section of resilient contact 100 110 is pressed by the first external force F1
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 greater than
First distance d1.Then, as illustrated in fig. 7d, when the press section of resilient contact 100 110 is pressed by the 4th external force F4 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 separated with 11 outer peripheral edge region of switch electrode, but because the second contact portion 113 still keeps being connected to out
On powered-down 11 central area of 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, be the external force size for pressing press section 110 shown by Y-axis.
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 is pressed, 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 pressed and moved down by the second external force F2,151 meetings of elastic turning part point of flexible wall member 150
Further bending.When press section 110 is pressed by third external force F3 and moves down second distance d2 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 the first contact portion 157 be allowed to touch circuit board 1 and trigger input unit K.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 more adjustable push input device K.
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 is pressed by the first external force F1 and moves down first distance d1, the first return portion 1511 and/or the second turnover
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 by third external force F3 press and when moving down second distance d2, 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 mentions, 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 contacting when press section 110 is depressed with circuit board 1
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 and pattern of one contact 1571 by way of example only, are not intended to limit the invention.In the other embodiment of the present invention
In, the first contact portion 157 for example can not include 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 to limit 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 lower 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 for being greater than flexible wall member 150, therefore when press section 110 is by pressed by external force, flexible wall member 150 can be produced
Raw deformation, but the present invention is not limited thereto system.
Subsidiary one mentions, and the press section 110 of resilient contact 100 for example can also 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, the triggering axis 5 of the corresponding mechanical switch 300 of recessed portion 111
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 move down press section 110.Therefore, mechanical switch 300 when pressed can be efficiently and accurately with dynamic elasticity
The movement 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
200 and multiple FIG. 1 to FIG. 8 described in resilient contact 100, 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 with junctional membrane 200 and is made with silica gel material integrated molding, but the present invention is not limited thereto
System.Contact film M including multiple resilient contacts 100 for example can be applied to the input units such as keyboard, but the present invention is not
As limitation.
In conclusion the input unit of this resilient contact of resilient contact of the invention and application, 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 feature and spirit of the invention,
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 protection of the claims of the invention to be applied of equality.Cause
This, scope of protection 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 characterized by comprising
Press section, for pressing operation；
Support portion, for supporting on circuit boards the press section, which includes support plate part and support wall part, is somebody's turn to do
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 wall part of 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 wall part of 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 portion
Point, the bottom surface of second contact portion is formed for the second contact surface when the press section is depressed with the circuit board contacts；
Wherein, when the press section moves down first distance by pressed by external force, which drives being somebody's turn to do for the support portion
Support wall part moves down, so that first contact portion touches the circuit board, when the press section is downward by pressed by external force
When mobile second distance, which touches the circuit board, which is greater than the 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
When lower movement first distance, first return portion and/or second return portion bending, the flexible wall member drive the support
The support wall part in portion moves down, so that first contact portion touches the circuit board, when the press section is by pressed by external force
And when moving down the second distance, first return portion and/or second return portion bending, so that second contact portion
Divide and touches the circuit board.
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 contacting when the press section is depressed with the second of the circuit board contacts
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 lower than the first elastic part position.
8. resilient contact shown according to claim 1, which is characterized in that the thickness of the press section is greater 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 characterized by comprising
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 stretched out outside the shell upwards, 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 move down the press section, and then elastic turning part point of the flexible wall member is made to generate deformation,
And the flexible wall member drives the support wall part of the support portion to move down, so that first contact portion touches the circuit
Plate.
11. input unit according to claim 10, which is characterized in that the circuit board further includes at least one switch electricity
The lower section of first contact portion is arranged in pole, the switch electrode, stretches out the shell when the bottom end of the triggering axis moves down
When abutting the press section outside, and moving down the press section, elastic turning part point of the flexible wall member generates deformation, and
The flexible wall member drives the support wall part of the support portion to move down, so that first contact portion touches the circuit board
The switch electrode.
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 the second contact surface when the press section is depressed with the circuit board contacts, the circuit board
It 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
When mobile first distance, which drives the support wall part of the support portion to move down, so that first contact portion
Divide and touch the switch electrode and the switch electrode is connected, when the bottom end of the triggering axis moves down outside the stretching shell and supports
When connecing the press section and the press section being made to move down second distance, at least second contact portion is touched the switch electrode and is made
Switch electrode conducting, the second distance are greater than the 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 when abutting the press section and the press section being made to move down the first distance, should
First return portion and/or second return portion bending, the flexible wall member drive the support wall part of the support portion downward
It is mobile, so that first contact portion touches the switch electrode, stretched out outside the shell when the bottom end of the triggering axis moves down
And when abutting the press section and the press section being made to move down the second distance, first return portion and/or second turnover
Part is bent, so that second contact portion touches 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 CN108565162A (en) | 2018-09-21 |
| CN108565162B true 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108565162B (en) |
Citations (5)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150340176A1 (en) * | 2012-04-12 | 2015-11-26 | Chang-Lung Wu | Keyboard having touch mode and character mode and method for operating the same |
-
2018
- 2018-06-04 CN CN201810563803.6A patent/CN108565162B/en active Active
Patent Citations (5)
| 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 |
| 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 |
|---|---|
| CN108565162A (en) | 2018-09-21 |
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