CN206259918U - A kind of keyboard switch of improvement - Google Patents
A kind of keyboard switch of improvement Download PDFInfo
- Publication number
- CN206259918U CN206259918U CN201621333703.7U CN201621333703U CN206259918U CN 206259918 U CN206259918 U CN 206259918U CN 201621333703 U CN201621333703 U CN 201621333703U CN 206259918 U CN206259918 U CN 206259918U
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- China
- Prior art keywords
- movable contact
- contact spring
- axle
- housing
- static contact
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Abstract
The utility model provides a kind of keyboard switch of improvement, it includes housing, axle is pressed in housing, the extrusion for moving up and down is driven by by axle, the back-moving spring for making have upward mobile trend by axle is provided with the housing, and the movable contact spring and static contact turned on by electromagnetic induction, the movable contact spring is arranged in housing with static contact relative spacing, and movable contact spring is provided with insulating barrier with least one side in the opposite face of static contact, the movable contact spring is provided with the outwardly resilient projection of arc, the extrusion is provided with from top to down towards the inclined guiding surface of resilient projection, the guiding surface lower end is provided with resigning concave surface corresponding with resilient projection；The utility model is by setting movable contact spring and static contact, movable contact spring is set to be turned on by electromagnetic induction with static contact, conducted without contact, use sensitiveer, more smooth, and in the case where being conducted without contact, be not in the situation of loose contact, improve reliability, reduce the fault rate of button.
Description
Technical field
The utility model is related to the technical field of keyboard, more particularly to a kind of keyboard switch of improvement.
Background technology
Movable contact spring and static contact are provided with existing mechanical keyboard button, conductance is contacted by movable contact spring and static contact
Logical so that signal can be transmitted, because the movable contact spring requirement elasticity that contact is conducted is higher, use time is long to reduce bullet
Property effect, cause loose contact, unstable, and contact low, the such button mistake that conducts dangerous, reliability for a long time
Journey is not smooth, insensitive, and button fault rate is higher so that whole push button longevity reduction.
Utility model content
The utility model is in view of the existing deficiencies of the prior art, there is provided a kind of keyboard switch of improvement, and it can be by electromagnetism
Sensing conducting, sensitivity is high, reliability is also high, improves the service life of button.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of keyboard switch of improvement, including housing, in housing drive the extruding that moves up and down by axle, by by axle
Part, is provided with the back-moving spring for making have upward mobile trend by axle in the housing, and moves tactile by what electromagnetic induction was turned on
Piece and static contact, the movable contact spring and static contact relative spacing are arranged in housing, and movable contact spring and static contact opposite face
Middle at least one side is provided with insulating barrier, and the movable contact spring is provided with the outwardly resilient projection of arc, and the extrusion is provided with
From top to down towards the inclined guiding surface of resilient projection, it is recessed that the guiding surface lower end is provided with resigning corresponding with resilient projection
Face；During disconnection, the resilient projection of movable contact spring is butted in the resigning concave surface of extrusion, makes movable contact spring away from static contact, during conducting, is squeezed
Casting die is moved down, and the guiding surface of extrusion is moved to the resilient projection lower end of movable contact spring, makes movable contact spring near stationary contact
Piece.
Used as a kind of preferred scheme, the static contact is provided with tablet, and the movable contact spring is provided with corresponding with tablet
Induction part, the tablet of the induction part and static contact turned on by electromagnetic induction.
Used as a kind of preferred scheme, the resilient projection of the movable contact spring is provided with two, and described two resilient projections are located at sense
The both sides in portion are answered, the guiding surface is provided with two, and described two guiding surfaces are corresponding with two resilient projections respectively.
Used as a kind of preferred scheme, also including the first pin and second pin for being connected with power supply, described first draws
Pin one end is connected with movable contact spring, and the other end stretches out the lower end of housing, and described second pin one end is connected with static contact, and the other end is stretched
Go out the lower end of housing.
As a kind of preferred scheme, the movable contact spring, induction part, two resilient projections and the first pin integrally connected.
As a kind of preferred scheme, the static contact, tablet and second pin integrally connected.
As a kind of preferred scheme, the cross connecting shaft being provided with by the upper end of axle for installing keycap, the keycap
It is mounted in cross connecting shaft, it is described to be provided with two outwardly directed hook portions, the upper end of the extrusion by axle
Two limiting sections corresponding with two hook portions are provided with, described two hook portions distinguish hooks in two lower sections of limiting section.
As a kind of preferred scheme, fairlead is provided with the housing, is provided with the fairlead for installing by axle
Gathering sill, described to be movably installed in gathering sill by axle, the back-moving spring is placed on the outside by axle and fairlead.
Used as a kind of preferred scheme, the movable contact spring is in 1mm with the electromagnetism conducting spacing of static contact.
Used as a kind of preferred scheme, the movable contact spring is in 0.5mm with the best electromagnetism conducting spacing of static contact.
During disconnection, two resilient projections of movable contact spring are butted in two resigning concave surfaces of extrusion respectively, make movable contact spring
Tablet of the induction part away from static contact；During conducting, keycap is pressed, drive extrusion to move down by axle, resilient projection departs from
In resigning concave surface, and the guiding surface of extrusion is moved to the resilient projection lower end of movable contact spring, lean on the induction part of movable contact spring
The tablet of nearly static contact is that movable contact spring is turned on static contact by electromagnetic induction, is unclamping keycap, and back-moving spring is ordered about by axle
Move up, make the guiding surface of extrusion extrude resilient projection, resilient projection is slipped into resigning concave surface along guiding surface,
And make induction part away from tablet.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, dynamic by setting
Contact and static contact, make movable contact spring and static contact be turned on by electromagnetic induction, are conducted without contact, use it is sensitiveer,
It is more smooth, and be not in the situation of loose contact in the case where being conducted without contact, reliability is improve, reduce
The fault rate of button；Insulating barrier is set also by least one side in the opposite face of movable contact spring and static contact, even if movable contact spring
Being contacted with static contact will not also conduct, and this spline structure is safer, more stable；Additionally by two bullets of setting on movable contact spring
Property convex portion, increased the elasticity of extruding, can mitigate the load of induction part, so as to improve the service life of button, improve
The yield of button.
It is the specific purposes and work(that more clearly illustrate architectural feature of the present utility model, technological means and its reached
Can, the utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
Brief description of the drawings
Assembling assumption diagram when Fig. 1 is the disconnection of the embodiment of the utility model；
Assembling assumption diagram when Fig. 2 is the conducting of the embodiment of the utility model；
Fig. 3 is the decomposing schematic representation of the embodiment of the utility model；
Extrusion and movable contact spring mated condition schematic diagram when Fig. 4 is the disconnection of the embodiment of the utility model；
Extrusion and movable contact spring mated condition schematic diagram when Fig. 5 is the conducting of the embodiment of the utility model.
Accompanying drawing identifier declaration：
10th, housing 11, fairlead 12, gathering sill
20th, axle 21, cross connecting shaft 22, hook portion are pressed
30th, extrusion 31, guiding surface 32, resigning concave surface
33rd, limiting section 40, movable contact spring 41, induction part
42nd, resilient projection 50, static contact 51, tablet
60th, the first pin 70, second pin
Specific embodiment
As Figure 1-5, a kind of keyboard switch of improvement, including draw for the first pin 60 being connected with power supply and second
Pin 70, housing 10, in housing 10 extrusion 30 that moves up and down is driven by axle 20, by by axle 20, in the housing 10
The back-moving spring for making have upward mobile trend by axle 20 is provided with, and the movable contact spring 40 and static contact turned on by electromagnetic induction
50, the movable contact spring 40 is arranged in housing 10 with the relative spacing of static contact 50, and movable contact spring 40 is relative with static contact 50
At least one side is provided with insulating barrier in face, and the movable contact spring 40 is provided with the outwardly resilient projection 42 of arc, the extrusion
30 are provided with from top to down towards the inclined guiding surface 31 of resilient projection, and the lower end of the guiding surface 31 is provided with and resilient projection
42 corresponding resigning concave surfaces 32；During disconnection, the resilient projection 42 of movable contact spring 40 is butted in the resigning concave surface 32 of extrusion 30, is made
Away from static contact 50, during conducting, extrusion 30 is moved down contact 40, and the guiding surface 31 of extrusion 30 is moved to dynamic touching
The lower end of resilient projection 42 of piece 40, makes movable contact spring 40 near static contact 50, and the static contact 50 is provided with tablet 51, described dynamic
Contact 40 is provided with induction part 41 corresponding with tablet 51, and the induction part 41 passes through electromagnetism with the tablet 51 of static contact 50
Sensing conducting, the resilient projection 42 of the movable contact spring 40 is provided with two, and described two resilient projections 42 are located at the two of induction part 41
Side, the guiding surface 31 is provided with two, and described two guiding surfaces 31 are corresponding with two resilient projections 42 respectively, and described first
The one end of pin 60 is connected with movable contact spring 40, and the other end stretches out the lower end of housing 10, the one end of the second pin 70 and static contact 50
Connection, the other end stretches out the lower end of housing 10, the movable contact spring 40,41, two pins 60 of resilient projection 42 and first of induction part
Integrally connected, the static contact 50, tablet 51 and the integrally connected of second pin 70, the upper end by axle 20 is provided with for pacifying
The cross connecting shaft 21 of keycap is filled, the keycap is mounted in cross connecting shaft 21, described to be provided with two by axle 20
Individual outwardly directed hook portion 22, the upper end of the extrusion 30 be provided with two hook portions, 22 corresponding two limiting sections 33, it is described
In two lower sections of limiting section 33, the housing 10 is interior to be provided with fairlead 11 to two difference hooks of hook portion 22, in the fairlead 11
It is provided with for installing by the gathering sill 12 of axle 20, described to be movably installed in gathering sill 12 by axle 20, the back-moving spring is placed on
The outside of axle 20 and fairlead 11 is pressed, the movable contact spring 40 is the movable contact spring in 1mm with the electromagnetism conducting spacing of static contact 50
40 turn on spacing in 0.5mm with the best electromagnetism of static contact 50.
During disconnection, two resilient projections of movable contact spring are butted in two resigning concave surfaces of extrusion respectively, make movable contact spring
Tablet of the induction part away from static contact；During conducting, keycap is pressed, drive extrusion to move down by axle, resilient projection departs from
In resigning concave surface, the resilient projection of movable contact spring moves to guiding surface upper end, makes the sense of movable contact spring along the guiding surface of extrusion
Answer portion to be turned on by electromagnetic induction with static contact near the tablet i.e. movable contact spring of static contact, unclamping keycap, back-moving spring drives
Make to be moved up by axle, make the guiding surface of extrusion extrude resilient projection, resilient projection is slipped into resigning along guiding surface
In concave surface, and make induction part away from tablet.
The above, is only preferred embodiment of the present utility model, is not used to limit the utility model, therefore every
Any modification, equivalent substitution and improvements actually made to above example according to technology of the present utility model etc., still fall within this
In the range of utility model technical scheme.
Claims (10)
1. a kind of keyboard switch of improvement, it is characterised in that：Being driven up and down by axle, by pressing axle including housing, in housing
Mobile extrusion, is provided with the back-moving spring for making have upward mobile trend by axle in the housing, and by electromagnetic induction
The movable contact spring and static contact of conducting, the movable contact spring are arranged in housing with static contact relative spacing, and movable contact spring and stationary contact
At least one side is provided with insulating barrier in the opposite face of piece, and the movable contact spring is provided with the outwardly resilient projection of arc, described to squeeze
Casting die is provided with from top to down towards the inclined guiding surface of resilient projection, and the guiding surface lower end is provided with and resilient projection pair
The resigning concave surface answered；During disconnection, the resilient projection of movable contact spring is butted in the resigning concave surface of extrusion, makes movable contact spring away from stationary contact
Piece, during conducting, extrusion is moved down, and the guiding surface of extrusion is moved to the resilient projection lower end of movable contact spring, is made
Contact is near static contact.
2. the keyboard switch of a kind of improvement according to claim 1, it is characterised in that：The static contact is provided with sensing
Plate, the movable contact spring is provided with induction part corresponding with tablet, and the induction part passes through electromagnetism sense with the tablet of static contact
Should turn on.
3. the keyboard switch of a kind of improvement according to claim 2, it is characterised in that：The resilient projection of the movable contact spring sets
There are two, described two resilient projections are provided with two, described two guiding surfaces located at the both sides of induction part, the guiding surface
It is corresponding with two resilient projections respectively.
4. the keyboard switch of a kind of improvement according to claim 3, it is characterised in that：Also include being used for what is be connected with power supply
First pin and second pin, described first pin one end are connected with movable contact spring, and the other end stretches out the lower end of housing, described second
Pin one end is connected with static contact, and the other end stretches out the lower end of housing.
5. the keyboard switch of a kind of improvement according to claim 4, it is characterised in that：The movable contact spring, induction part, two
Resilient projection and the first pin integrally connected.
6. the keyboard switch of a kind of improvement according to claim 4, it is characterised in that：The static contact, tablet and
Two pin integrally connecteds.
7. the keyboard switch of a kind of improvement according to claim 1, it is characterised in that：It is described by the upper end of axle be provided with for
The cross connecting shaft of keycap is installed, the keycap is mounted in cross connecting shaft, it is described by axle be provided with two to
The hook portion for overhanging, the upper end of the extrusion is provided with two limiting sections corresponding with two hook portions, described two hook portions difference
Hook is in two lower sections of limiting section.
8. the keyboard switch of a kind of improvement according to claim 1, it is characterised in that：Fairlead is provided with the housing,
It is provided with the fairlead for installing by the gathering sill of axle, described to be movably installed in gathering sill by axle, the back-moving spring
It is placed on the outside by axle and fairlead.
9. the keyboard switch of a kind of improvement according to claim 1, it is characterised in that：The electricity of the movable contact spring and static contact
The logical spacing of magnetic conductance is in 1mm.
10. the keyboard switch of a kind of improvement according to claim 1, it is characterised in that：The movable contact spring and static contact
Best electromagnetism conducting spacing is in 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333703.7U CN206259918U (en) | 2016-12-06 | 2016-12-06 | A kind of keyboard switch of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333703.7U CN206259918U (en) | 2016-12-06 | 2016-12-06 | A kind of keyboard switch of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259918U true CN206259918U (en) | 2017-06-16 |
Family
ID=59028019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621333703.7U Active CN206259918U (en) | 2016-12-06 | 2016-12-06 | A kind of keyboard switch of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071023A (en) * | 2019-05-30 | 2019-07-30 | 浙江友路电气有限公司 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
-
2016
- 2016-12-06 CN CN201621333703.7U patent/CN206259918U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071023A (en) * | 2019-05-30 | 2019-07-30 | 浙江友路电气有限公司 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
| CN110071023B (en) * | 2019-05-30 | 2024-04-26 | 浙江友路电气有限公司 | Electric leakage circuit breaker test button device and electric leakage circuit breaker |
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| GR01 | Patent grant |