CN109786140A - The resetting-mechanism and switch of switch - Google Patents
The resetting-mechanism and switch of switch Download PDFInfo
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- CN109786140A CN109786140A CN201910075955.6A CN201910075955A CN109786140A CN 109786140 A CN109786140 A CN 109786140A CN 201910075955 A CN201910075955 A CN 201910075955A CN 109786140 A CN109786140 A CN 109786140A
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- switch
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Abstract
The present invention provides the resetting-mechanism and switch of a kind of switch, which includes reducible sliding part and pedestal, and sliding part is slidably disposed on the sliding cavity of pedestal.Sliding part is provided with first magnetic source axially arranged of the magnetizing direction along sliding cavity, the second magnetic source is provided on pedestal, the reset force acted on sliding part that the magnetizing direction of second magnetic source substantially being arranged radially along sliding cavity, the first magnetic source and the second magnetic source are formed is directed toward the second end of sliding cavity along the first end of sliding cavity or is directed toward the first end of sliding cavity along the second end of sliding cavity.First end on pedestal close to sliding cavity is provided with the installation position of Magnetic Sensor；The triggering magnetic pole of first magnetic source towards installation position is used to trigger Magnetic Sensor.The reset force-stroke of resetting-mechanism is big, structure is simple, small in size, and the service life is long, and precision is high.
Description
Technical field
The present invention relates to a kind of resetting-mechanism of switch and switches.
Background technique
Mechanical part moves to operating position from initial position under external force, in the work of resetting-mechanism after external force of going out
Under, which can restore from operating position to initial position.In technology today, resetting-mechanism can be divided into two classes,
One kind is served as by driving device, but structure is complicated, can not be minimized；It is another kind of to use spring as resetting-mechanism, but bullet
Spring be easy to cause mechanical fatigue and transition deformation after prolonged use, to reduce the operating accuracy of resetting-mechanism.
Nowadays also have using between magnetic source repulsive force or attraction as reset force, realize answering for mechanical part
Position.The magnetizing direction of magnetic source on the same line, easily causes mechanical part to deviate during exercise at this time, reduces determining for mechanical part
Neutrality, and the linearity of mechanical part power suffered in is lower, and the impulse stroke of mechanical part is smaller.When use the method
When as switch resetting-mechanism, because the linearity of suffered reset force is lower, the usage comfort of switch is poor.Except there are also logical for this
The method for crossing winding electromagnetic coil, drives mechanical part to reset by electromagnetic force, is unable to satisfy that volume of switch is small, and reset force is big
Situation.
Summary of the invention
The first object of the present invention is to provide a kind of reset, and force-stroke is big, structure is simple, the reset of switch small in size
Mechanism.
The second object of the present invention provides that a kind of force-stroke is big, structure is simple, switch small in size is answered with resetting
The switch of position mechanism.
To realize that above-mentioned first purpose, the present invention provide a kind of resetting-mechanism of switch comprising reducible sliding
Part and pedestal, sliding part are slidably disposed on the sliding cavity of pedestal.Sliding part is provided with axis of the magnetizing direction along sliding cavity
To the first magnetic source of arrangement, the second magnetic source is provided on pedestal, the magnetizing direction of the second magnetic source is substantially set along the radial direction of sliding cavity
It sets, the reset force acted on sliding part that the first magnetic source and the second magnetic source are formed is directed toward sliding cavity along the first end of sliding cavity
Second end or the first end that sliding cavity is directed toward along the second end of sliding cavity.First end on pedestal close to sliding cavity is provided with ranging
The installation position of sensor, the lower end of sliding part is as trigger unit for triggering distance measuring sensor.
By above scheme as it can be seen that the first magnetic source along sliding part axial charging and the second magnetic source along sliding cavity radial magnetizing
Setting, be conducive to the utilization rate for improving magnetic source, and then that improves that the first magnetic source and the second magnetic source formed acts on sliding part
Reset force stroke, to increase the impulse stroke of return unit.Relative to mechanical spring, this programme resistance to mechanical fatigue strength
Height is conducive to the operating accuracy for improving resetting-mechanism.The lower end of sliding part as the trigger unit for triggering distance measuring sensor,
Be conducive to simplify the mechanical structure of resetting-mechanism, to be conducive to reduce the volume of resetting-mechanism.Distance measuring sensor can be according to it
Concrete type exports on-off model and/or analog signals, and analog signals can be converted into digital quantity signal by single-chip microcontroller.
Digital quantity signal and analog signals can be used as throttle, flow velocity, flow, temperature, brightness, volume, power, torque, position or angle
Adjusting control signal.
Further scheme is that distance measuring sensor is laser range sensor or Magnetic Sensor.When distance measuring sensor is magnetic biography
When sensor, the first magnetic source towards installation position triggering magnetic pole as trigger unit.Laser range sensor and Magnetic Sensor are as non-
The signal output unit for contacting work, is conducive to extend the service life of resetting-mechanism.Laser range sensor and Magnetic Sensor all have
Standby high measurement accuracy and anti-interference ability.First magnetic source both can be used as the power source of reset, be also used as magnetic induction
Trigger unit, be further conducive to simplify resetting-mechanism mechanical structure, reduce the volume of resetting-mechanism.
Further scheme is that the first magnetic source is tapered and is directed toward Magnetic Sensor.Be conducive to the magnetic force collection of the first magnetic source axial direction
In.
Further scheme is that the second magnetic source has angle towards the working face of sliding part and the axis of sliding cavity, sliding
When part is located at nature resting position, working face direction triggering magnetic pole.Be conducive to the magnetic force of the second magnetic source to interaction wall second end
Direction is concentrated, and is conducive to the utilization rate for improving the magnetic force between the first magnetic source and the second magnetic source, to improve answering for resetting-mechanism
The stroke of position power.
Further scheme is that sleeve is provided on pedestal, and as sliding cavity, the mounting hole of the second magnetic source is set for the inner cavity of sleeve
It sets on sleeve.Being provided with for sleeve is conducive to for the sliding of sliding part provide guiding, thus further increase sliding part calmly in
Property, be conducive to avoid the collision of the second magnetic source and sliding part and damage the second magnetic source.
Further scheme is that solid lubricant is provided in mounting hole, and solid lubricant is located at the second magnetic source and sliding part
Between.Advantageously ensure that the reset force between the first magnetic source and the second magnetic source in sliding part, also help reduce sliding part with
Coefficient of friction between sleeve reduces frictional dissipation between sliding part and sleeve, extends the service life of resetting-mechanism.
Further scheme is to be provided with magnetic-conductance portion on pedestal between sleeve and pedestal, and the axial direction along sliding cavity is arranged
There is minimum two group of second magnetic source and in every group of second magnetic source be located on the same floor.In every group, the polarity in the outside of the second magnetic source is identical.
There are two kinds of polarity in the outside of second magnetic source.The lesser section of fluctuation is advantageously formed, the reset force in this section is relatively steady
It is fixed, be conducive to the stability for improving resetting-mechanism work.Also advantageously improve the impulse stroke of sliding part.Magnetic-conductance portion is conducive to more
Magnetic loop is formed between the second magnetic source magnetic source of group, improves the magnetic force on the inside of the second magnetic source, to be conducive to improve resetting-mechanism
The stroke of reset force.
Further scheme is the maximum radial width in addition to its installation position of the first magnetic source radial direction maximum width and pedestal
Ratio between 30% to 35%.Second magnetic source along sliding cavity radial maximum length and pedestal in addition to its installation position
The ratio of maximum radial width is between 10% to 16%.Axial maximum width and second magnetic source edge of second magnetic source along sliding cavity
The ratio of the radial maximum length of sliding cavity is between 45% to 55%.Reset force when being conducive to be further ensured that sliding part movement
It is relatively stable, be conducive to the miniaturization of resetting-mechanism.
Further scheme is that the narrow shielding cave in the wide top in bottom is provided on pedestal, and top shields cave and make towards sliding part
For Magnetic Sensor installation position.Be conducive to the interference for protecting Magnetic Sensor from extraneous factor, improve the stability of its detection.
To realize that above-mentioned second purpose, the present invention provide a kind of switch, the reset machine of the above-mentioned either switch of the switch
Structure, switch output on-off model or analog signals.Be conducive to increase the stroke of the reset force of switch, whole reduction switch
Volume.
Figure of description
Fig. 1 is the stereoscopic schematic diagram of the resetting-mechanism first embodiment of switch；
Fig. 2 is the three-dimensional cutaway view at the A-A of Fig. 1；
Fig. 3 is a kind of schematic diagram of the selection of the second magnetic source of resetting-mechanism of switch；
Fig. 4 is another schematic diagram of the selection of the second magnetic source of resetting-mechanism of switch；
Fig. 5 is another schematic diagram of the selection of the second magnetic source of resetting-mechanism of switch；
Fig. 6 is the schematic diagram of the pull-up switch of the resetting-mechanism of switch；
Fig. 7 is the cross-sectional view of the resetting-mechanism second embodiment of switch；
Fig. 8 is another cross-sectional view of the resetting-mechanism second embodiment of switch；
Fig. 9 is the main view of the switch of the resetting-mechanism 3rd embodiment of switch；
Figure 10 is the cross-sectional view at the C-C of Fig. 9；
Figure 11 is the cross-sectional view at the D-D of Figure 10；
Figure 12 is the cross-sectional view of the switch of the resetting-mechanism fourth embodiment of switch；
Figure 13 is the cross-sectional view at the F-F of Figure 12.
Specific embodiment
The first embodiment of the resetting-mechanism of switch
As depicted in figs. 1 and 2, the resetting-mechanism of switch of the invention includes sliding part 101 and pedestal 102, and sliding part 101 can
It is slidably arranged on the sliding cavity 103 of pedestal 102.Sliding part 101 is provided with axial direction arrangement of the magnetizing direction along sliding cavity 103
The first magnetic source 104.First magnetic source 104 is locked on sliding part 101 by screw 105.Preferably, the first magnetic source 104 and spiral shell
It is provided with elastomer between nail 105, is beneficial to prevent when screw 105 is installed and damages the first magnetic source 104.Sliding cavity 103 is far from spiral shell
One end of nail 105 is first end 1031, is second end 1032 close to one end of screw 105.The second magnetic source is provided on pedestal 102
106, the magnetizing direction of the second magnetic source 106 substantially being arranged radially along sliding cavity 103.It include sleeve 107 on pedestal 102, it should
The inner cavity of sleeve 107 is as sliding cavity 103.The mounting hole of second magnetic source 106 is arranged on sleeve 107.Second magnetic source 106 passes through
Sleeve 107 is mounted on pedestal 102.First end 1031 on pedestal 102 close to sliding cavity 103 is provided with distance measuring sensor 108
Installation position, the lower end of sliding part 101 as trigger unit for triggering range sensor 108, export on-off model or
Analog signals.
Preferably, the circumferential direction between the first magnetic source 104 and the second magnetic source 106 along sliding cavity 103 is provided with continuous copper
Material, when the first magnetic source 104 and the second 106 relative motion of magnetic source, the first magnetic source 104 or the relatively copper material of the second magnetic source 106
Material movement.The magnetic field inducted in copper material generates damping action to sliding part 101, so that when sliding part 101 is pressed
Generate feedback sense flexible.Optionally, copper material is arranged on sliding part 101, in 101 motion process of sliding part, sliding part 101
On the position towards the second magnetic source continuous copper material is distributed with.Copper material can also be arranged on pedestal 102, sliding part
In 101 motion processes, continuous copper material is distributed in the position towards the first magnetic source 104 on sleeve 107.
Preferably, distance measuring sensor 108 can be laser range sensor or Magnetic Sensor.
When distance measuring sensor be Magnetic Sensor when, the first magnetic source towards installation position triggering magnetic pole as trigger unit.First
Magnetic source both can be used as the power source of reset, be also used as the induction source of magnetic induction, for triggering Magnetic Sensor, further have
Conducive to the mechanical structure for simplifying resetting-mechanism, the volume of resetting-mechanism is reduced.Magnetic Sensor is one kind of distance measuring sensor at this time,
Its working principle can be with are as follows: Magnetic Sensor detects the magnetic induction intensity of the first magnetic source.The first magnetic source that Magnetic Sensor detects
The size of magnetic induction intensity changes with sliding part move distance, i.e. the triggering magnetic pole of sliding part is got over respect to the distance of Magnetic Sensor
Small, the magnetic induction intensity that Magnetic Sensor detects is stronger, to calculate the distance and according to predetermined condition output switching signal
Or analog signals.
When distance measuring sensor is laser range sensor, the lower end of sliding part is as trigger unit.Laser sensor
Working principle is preferably echo analysis method, and laser displacement sensor uses echo analysis principle to measure distance to reach certain journey
The precision of degree.Sensor internal is by parts groups such as processor unit, Echo Processing unit, laser emitter, laser pickoffs
At.Laser displacement sensor to detectable substance and is back to reception by 1,000,000 laser pulses of laser emitter transmitting per second
Device, processor calculate the time needed for laser pulse encounters detectable substance and is back to receiver, calculate distance value with this, this is defeated
Value can be the average output for carrying out thousands of measurement results out, to improve detection accuracy and reliability.According to the numerical value
Calculate simultaneously output switching signal or analog signals
The working principle of laser sensor can also be triangulation.Distance measuring sensor include laser emitter, transmitting camera lens,
Receiver camera lens and CCD linear camera.Laser emitter will be seen that red laser directive testee surface by emitting camera lens,
Laser through object reflection is received by receiver camera lens by internal CCD linear camera.CCD linear camera can be according to difference
Distance, adjust and detect luminous point.According to this angle and the distance between known laser and camera, Digital Signal Processing
Device can calculate the distance between sensor and testee.
Laser sensor can also be measured by confocal measuring technique.The laser sensor includes half as light source
Conductor Laser, dispersion camera lens, confocal camera lens, pin hole and reception optical element.The polychromatic light of one beam of broad spectrum is projected (in white by light source
Color), spectral dispersion is occurred by dispersion camera lens, forms the monochromatic light of different wave length.Under the action of confocal camera lens, each wave
Long focus all corresponds to a distance value.Measurement light emission is reflected back to body surface, only meets the monochrome of confocal condition
Light can be received optical element by pin hole and sense.By calculating the wavelength for the focus being sensed, conversion obtains distance
Value, and export the corresponding predefined parameter of distance value.
Preferably, it is arranged by the programming for sensor 108 of adjusting the distance, the trigger bit of the resetting-mechanism of adjustable switch
It sets, so that sense is presented in the pushing of regulating switch.
Preferably, the both ends of 101 length direction of return unit are respectively arranged with the first stop portion 1011 and the second stop portion
1012, pedestal 102 close to the side of 103 second end 1032 of sliding cavity be provided with respectively with the first stop portion 1011 and the second retaining
The pedestal stop portion 1021 of the cooperation of portion 1012 retaining.When return unit 101 is moved to 108 direction of Magnetic Sensor, the first stop portion
1011 cooperate with pedestal stop portion 1021, prevent return unit 101 from contacting with the bottom of the first end 1031 of sliding cavity 103 and cause
100 internal works of resetting-mechanism of switch are damaged.When return unit 101 is moved to 1032 direction of second end of sliding cavity 103,
Second stop portion 1012 cooperates with pedestal stop portion 1021, and return unit 101 is prevented to be detached from sliding cavity 103 because of overexercise.It is excellent
Choosing, it is provided with solid lubricant 1013 on the second stop portion 1012, advantageously reduces and rubs between return unit 101 and sleeve 107
It wipes.
Preferably, the first magnetic source 104 is tapered and is directed toward Magnetic Sensor 108, the second magnetic source 106 towards sliding part 101
The axis of working face and sliding cavity 103 have angle, the working face is towards 103 second end 1032 of sliding cavity.Be conducive to first
Magnetic force between magnetic source 104 and the second magnetic source 106 is concentrated, and the utilization of the magnetic force of the first magnetic source 104 and the second magnetic source 106 is improved
Rate, to improve the stroke for acting on the reset force on sliding part 101.
Preferably, the first magnetic source 104 is not limited to only be made of one piece of sub- magnetic source, can also predetermined number of segment sub- magnetic source structure
At i.e. the first magnetic source 104 is axially divided at least two sections along sliding cavity 103.The magnetizing direction of every cross-talk magnetic source is consistent, can pass through tune
The number of segment of knot magnetic source adjusts the magnetic force size of the first magnetic source；The big minor adjustment first of the remanent magnetism of regulator magnetic source can also be passed through
The magnetic force size of magnetic source.When the size of the remanent magnetism of regulator magnetic source is to realize the magnetic force size for adjusting the first magnetic source, it is not limited to adjust
Save the remanent magnetism size of each cross-talk magnetic source, can also only adjustment portion molecule magnetic source remanent magnetism size.It is advantageously implemented flexible modulation
Sense is presented in the pushing of the magnetic force of first magnetic source, regulating switch, improves applicability.Optionally, it is divided into the unlimited of the first magnetic source of multistage
It is made in by permanent magnet, the part paragraph of first magnetic source can also be made of soft magnetic materials.
Optionally, it is provided with adjustable magnetic hole on the first magnetic source 104 along sliding cavity axial direction, by the aperture tune for adjusting the hole
Save the magnetic force of the first magnetic source.
Preferably, the second magnetic source 106 is circumferential uniformly distributed along sliding cavity 103.Be conducive to raising resetting-mechanism determines neutrality.It reduces
Extra friction between sliding part and sliding cavity.
Preferably, it is provided with solid lubricant 109 in the mounting hole of the second magnetic source 106 on sleeve 107, the solid
Lubricant 109 is between the second magnetic source 106 and sliding part 101.Advantageously ensure that the first magnetic source 104 and second in sliding part
Reset force between magnetic source 106 also helps the coefficient of friction reduced between sliding part and sleeve, reduce sliding part and sleeve it
Between frictional dissipation, extend switch resetting-mechanism service life.Preferably, sleeve can be made of copper material.It is preferred that
, solid lubricant 109 is optional graphite, carbon fiber, graphene etc..
Preferably, the second magnetic source 106 is circumferential uniformly distributed along sliding cavity 103.Be conducive to improve determining for the resetting-mechanism of switch
It is neutral.Minimum two group of second magnetic source is axially provided with along sliding cavity 103.In every group, the polarity phase in the outside of the second magnetic source 106
Together.The resetting-mechanism 100 of the switch of the present embodiment is preferably axially provided with first group of second magnetic source along sliding cavity 103
1061, the installation position of second group of second magnetic source 1062 and the second magnetic source of third group 1063.
Optionally, the resetting-mechanism of switch can independently use one group of second magnetic source 106 in the present invention, and with first
The formation of magnetic source 104 acts on reset force on return unit.First group of second magnetic source as shown in figure 3, the present embodiment can be used alone
1061, the pole the N polarity of the tapered end of the pole S of the inside of first group of second magnetic source 1061 and the first magnetic source 104 is on the contrary, pass through generation
Attraction forms the reset force acted on sliding part 101, which is directed toward sliding cavity along the first end 1031 of sliding cavity 103
103 second end 1032.The second magnetic source of third group 1063 as shown in figure 4, the present embodiment can be used alone, third group at this time
The pole N of the inside of two magnetic sources 1063 is identical as the pole the N polarity of tapered end of the first magnetic source 104, is made by generating repulsive force and being formed
With the reset force on sliding part 101, which is directed toward the second end of sliding cavity 103 along the first end 1031 of sliding cavity 103
1032。
Preferably, in the case where first group of second magnetic source 1061 is used only or the second magnetic source of third group 1063 is used only,
The permeability magnetic materials such as electrical pure iron can be set by the installation site in second group of second magnetic source 1062, be conducive to raising and act on cunning
The stability of reset force on moving part 101.
Second magnetic source 106 can also select two group of second magnetic source.Preferably, referring to Fig. 5, first group of second magnetic source is selected
1061 and the second magnetic source of third group 1063, and 1061 insides of the pole N of the tapered end of the first magnetic source 104 and first group of second magnetic source
The pole S generate attraction, the pole N of 1063 inside of the pole N of the tapered end of the first magnetic source 104 and the second magnetic source of third group generates repulsion
Power, attraction and repulsive force form the reset force acted on return unit 101 and are directed toward cunning along 103 first end 1031 of sliding cavity at this time
The second end 1032 of dynamic chamber 103.When the resetting-mechanism 100 of switch works, during return unit 101 moves axially downwards,
Return unit 101 keeps restoring initial position under the action of the attraction of the first magnetic source 104 and second group of second magnetic source 1061
Trend；After the tapered end of the first magnetic source 104 passes through the installation position of second group of second magnetic source 1062,104 He of the first magnetic source
Start to generate repulsive force between the second magnetic source of third group 1063, return unit 101 keeps restoring initial under the action of the repulsive force
The trend of position.The lesser section of fluctuation is advantageously formed, the reset force in this section is relatively stable, is conducive to improve switch
The stability of resetting-mechanism work.
The resetting-mechanism of switch of the invention is not limited to the resetting-mechanism of the switch suitable for pressure, can also be applicable in
In the resetting-mechanism of the switch of pulling force, the 1061 of the polarity of the tapered end of the first magnetic source 104 and first group of second magnetic source at this time
The identical generation repulsive force of the polarity of inside, 1063 inside of polarity and the second magnetic source of third group of the tapered end of the first magnetic source 104
Polarity generates attraction on the contrary, and repulsive force and attraction form the reset force acted on return unit 101 along sliding cavity 103 at this time
Second end 1032 be directed toward sliding cavity 103 first end 1031, the initial position of the resetting-mechanism 100 of switch is referring to figure at this time
6。
The resetting-mechanism of switch of the invention is not limited to using the second magnetic source of first group of second magnetic source 1061 and third group
1063 combination can also be that first group of second magnetic source 1061 and second group of second magnetic source 1062 combine, the second magnetic source of third group
1063 and second group of second magnetic source 1062 combine.The second magnetic source 106 that the resetting-mechanism of switch of the invention uses is not limited to
Using single group or two groups, three groups of magnetic sources can also be used.The present invention is not limited to the group numbers by changing the second magnetic source 106, realize
The size of the reset force of the resetting-mechanism of regulating switch；It can also be circumferential along sliding cavity 103 by changing every group of second magnetic source
The number quantity of arrangement realizes the size of the reset force of the resetting-mechanism of regulating switch.By the quantity for adjusting each group magnetic source
And/or the combination of group number, adjustable sliding part are used in the size of the reset force of specific position to improve switch of the invention
Resetting-mechanism adaptability.
Optionally, the installation position of the second magnetic source on pedestal 102 be not limited to setting three groups, can also be one group or two groups or
Three groups or more.
Preferably, referring to Fig. 1, it is provided with magnetic-conductance portion 110 on the outside of sleeve 107, is conducive to be formed between the second magnetic source of multiple groups
Magnetic loop improves the magnetic force on the inside of the second magnetic source, to be conducive to improve the stroke of the reset force of the resetting-mechanism of switch.
Preferably, shielding part is provided on the outside of magnetic-conductance portion 110, shielded layer successively includes insulating layer, electricity from the inside to the outside
Magnetic masking layer, magnetic shielding layer, fiber winding enhancement layer and flame-retarded resin wearing layer.Be conducive to that external factor is avoided to influence switch
Resetting-mechanism work, reduces its operating accuracy.It also advantageously improves the structural strength of the resetting-mechanism of switch and its prevents
The ability of fire, waterproof.
Preferably, the radial maximum width of the first magnetic source 104 of the resetting-mechanism 100 of switch and pedestal 102 remove installation
The ratio of maximum radial width other than position is between 30% to 35%.Radial maximum length of second magnetic source 106 along sliding cavity
Ratio with the maximum radial width in addition to installation position of pedestal 102 is between 10% to 16%.Second magnetic source 106 is along sliding cavity
103 axial maximum width and the second magnetic source 102 along the maximum length of the radial direction of sliding cavity 103 ratio 45% to 55% it
Between.The stability of reset force, is conducive to the miniaturization of the resetting-mechanism of switch when being conducive to be further ensured that sliding part movement.
Preferably, the magnetic force size for adjusting the second magnetic source can be realized, to adjust by the diameter of the second magnetic source of adjusting
Section acts on the size of the reset force on sliding part, and sense is presented in the pushing of regulating switch.The material of the second magnetic source of transformation can also be passed through
The matter trade mark and/or remanent magnetism size realize adjustment effect in the size of the reset force on sliding part.
Optionally, along the axial direction of the resetting-mechanism of switch, the resetting-mechanism of switch is integrally in regular pentagon structure, on
The second magnetic source 106 stated is evenly arranged on the side of regular pentagon, is conducive to the volume for reducing the resetting-mechanism of switch, is guaranteed simultaneously
The reset force for meeting return unit movement is formed between first magnetic source 104 and the second magnetic source 106.The reset machine of switch of the invention
Structure is not limited to regular pentagon structure, can also be circle, quadrangle, hexagon etc..It is selected when the resetting-mechanism of switch
When volume increases, resetting-mechanism can be set to the more regular polygons of number of edges on the whole, and the second magnetic source 106 is along sliding cavity 103
Circumferentially uniformly distributed quantity increases.
Preferably, the bar portion of sliding part 101 and sliding cavity 103 are not limited to cylindrical body, can also be prism.Prism
Structure be beneficial to prevent the bar portion of sliding part 101 and rotated in sliding cavity 103.
Preferably, the narrow shielding cave 111 in the wide top in bottom is provided on pedestal 102, top is shielded towards sliding part 101
Installation position of the cave 111 as Magnetic Sensor 108.Be conducive to the interference for protecting Magnetic Sensor 108 from extraneous factor, improve its inspection
The stability of survey.
Preferably, switch of the invention can be made into push type trigger switch, push type travel switch, pulling force with resetting-mechanism
Formula trigger switch etc..
The second embodiment of the resetting-mechanism of switch
Essentially identical, the form of the difference in the second magnetic source of the present embodiment and first embodiment.
The key that the resetting-mechanism of switch can be used as keyboard uses.As shown in fig. 7, the key 300 includes keycap
301, the pedestal 303 as the key axis 302 of the sliding part of resetting-mechanism and containing sliding cavity 3031.Keycap 301 is fixed on key axis
The other end of 302 one end, key axis 302 is mounted axially slidably in pedestal 303 along sliding cavity 3031.It is set in key axis 302
It is equipped with first magnetic source 304 of the magnetizing direction along 3031 axial charging of sliding cavity.It is provided with the second magnetic source 305 on pedestal 102, second
The magnetizing direction of magnetic source 305 substantially being arranged radially along sliding cavity 3031.It is generated between first magnetic source 304 and the second magnetic source 305
Reset force act on key axis 302, drive the keycap 301 of key to reset rapidly after pressing action.In this scheme, key exists
When stationary state, attraction is generated between the bottom of the first magnetic source and the second magnetic source.
First magnetic source of the invention is not limited to only be made of one piece of magnetic source, can also predetermined number of segment sub- magnetic source constitute, i.e.,
First magnetic source is axially divided at least two sections along sliding cavity.The magnetizing direction of every cross-talk magnetic source is consistent, can both pass through regulator magnetic source
Number of segment adjust the magnetic force size of the first magnetic source, and the magnetic of the first magnetic source of big minor adjustment of the remanent magnetism of regulator magnetic source can be passed through
Power size.When the size of the remanent magnetism of regulator magnetic source is to realize the magnetic force size for adjusting the first magnetic source, it is not limited to adjust each section
The remanent magnetism size of sub- magnetic source, can also only adjustment portion molecule magnetic source remanent magnetism size, be advantageously implemented the first magnetic source of flexible modulation
Magnetic force, the pushing of adjustment slide presents sense, improves applicability.As shown in fig. 7, the first magnetic source 304 can be by three cross-talk magnetic source groups
At, by keycap 301 be directed toward pedestal 303 direction be disposed with strong magneton magnetic source, the sub- magnetic source of weak magnetic, strong magneton magnetic source, favorably
In formation without the key for pushing paragraph sense.As shown in figure 8, the first magnetic source 304 can be made of two cross-talk magnetic sources, close to keycap 301
Sub- magnetic source be the sub- magnetic source of weak magnetic, far from close to keycap 301 sub- magnetic source be strong magneton magnetic source, advantageously form with stronger
Push the key of paragraph sense.
Optionally, the magnetizing direction of every cross-talk magnetic source is not limited to consistent, the magnetizing direction of the sub- magnetic source in acceptable part
It is on the contrary, further advantageously forming with the stronger key for pushing paragraph sense.
Optionally, it is provided with adjustable magnetic hole 3041 on the first magnetic source 304 along 3031 axial direction of sliding cavity, by adjusting the hole
The first magnetic source of aperture adjustment 304 magnetic force.
Preferably, the second side of the magnetic source 305 towards sliding cavity is tapered, bores to direction sliding cavity.Second magnetic source back
To side face be in a concave surface, be conducive to improve concentrate the second magnetic source 305 magnetic force, reduce the second magnetic source sensor is done
It disturbs.
Preferably, as shown in fig. 7, this programme is provided with sleeve 306 made of copper material on pedestal 303.It is copper
The magnetic field inducted in material generates damping action to the movement of key axis 302 so that key axis 302 generated when being pressed it is flexible
Feedback sense.Optionally, copper material is not limited to setting on the base, can also position towards the second magnetic source 305 on key axis 302
Continuous copper material is set.
Referring to Fig. 7, pedestal 303 includes top base 3032 and bottom base 3033, sliding cavity 3031, the second magnetic source 305, copper
Sleeve 306 made of material is arranged on top base 3032, and bottom base 3033 is arranged to be shielded made of high magnetic conduction magnetic shielding material
Cave 3034 is covered, high magnetic conduction magnetic shielding material is preferably permalloy, and high permeability material can also be pure iron, iron-nickel alloy, silicon steel.
The setting of distance measuring sensor 307 is beneficial to prevent the work of the strong magnetic influence distance measuring sensor of the second magnetic source in shielding cave 3034.
Preferably, top base 3032 forms continuous first magnetic masking layer 30321.Bottom base 3033 forms continuously
Second magnetic masking layer 30331.First magnetic masking layer 30321 and the second magnetic masking layer 30331 are molded over pedestal on the outside of pedestal
In 303.Key axis 302 is provided with third magnetic masking layer 3021, the first magnetic masking layer 30331, the second magnetic close to the position of keycap 301
Shielded layer 30332 and the preferred of third shielded layer 3021 are made of an electrically conducting material, such as copper, iron, nickel etc., are conducive to protect key
Not by external electromagnetic effect.
The 3rd embodiment of the resetting-mechanism of switch
Switch with resetting-mechanism of the present invention is as shown in Fig. 9, Figure 10, Figure 11, and sleeve 401 is arranged in pedestal 402, and sleeve
401 is hexagonal along its axial section.Second magnetic source 403 is circumferential uniformly distributed along sleeve 501, and the present embodiment is arranged on each face
Two sub- magnetic sources 4031.Axial along sleeve 401, the second magnetic source 403 is provided with one or more layers of second magnetic source layer 4032,
The present embodiment is provided with two layers of second magnetic source layers 4032.Preferably, the switch of the present embodiment can be according to the use need of personal user
The quantity of sub- magnetic source 4031 in the quantity for loading the face of the second magnetic source by increase and decrease, or each face of increase and decrease is sought, or increases and decreases axial cloth
The number of plies for the second magnetic source layer 4032 set, so that the size of the magnetic force of the second magnetic source 4032 is adjusted, to realize the work of regulating switch
Make feel or impulse stroke.
Preferably, pedestal 402 includes top base 4021 and bottom base 4022, the inside of top base 4021 and bottom base 4022
It is provided with magnetic masking layer 404, the influence for the electromagnetism outside mask switch to the operation element of switch internal.Wherein bottom base
On be provided with shielding cave 405, which is formed by shielded layer 404, advantageously reduces the second magnetic source to setting in shielding cave
The magnetic disturbance of distance measuring sensor in 405 further increases switch in such a way that the first magnetic source of detection is apart from output signal
Reliability.
The fourth embodiment of the resetting-mechanism of switch
As shown in Figure 12 and Figure 13, the second magnetic source 501 is along the axial setting annular in shape of sliding cavity 502 on sleeve 503 for switch 500.
Second magnetic source 501 of this programme is made of at least two sub- magnetic sources 5011, and all sub- magnetic sources 5011 are along the circumferential abutting of sleeve 503
And form closed the second magnetic source 501 with circular ring structure.The magnetizing direction of sub- magnetic source 5011 is set along the radial direction of sleeve 503
It sets, and 503 outside of magnetic line of force sleeve of the sub- magnetic source 5011 is arranged towards 504 direction of sliding part in diffusion type.Optionally, this programme
Four sub- magnetic sources 5011 are selected to constitute the second circular magnetic source 501.Group magnetic source 5011 is on the outside of sleeve 503 towards sliding part
When 504 direction is magnetized, the magnetic line of force that the first magnetic source 505 magnetizes close to the side of teletransmission sensor 506 by being directed toward far from far from biography
The magnetizing direction of the side of sensor 506, the first magnetic source 505 and the second magnetic source 501 is as indicated in the figures by an arrow.Pass through the first magnetic source 505
Attraction between the second magnetic source 501 forms the reset force acted on sliding part 504, and the reset force is axial along sleeve 503
It is arranged far from sensor orientation.Be conducive to improve the stability of switch output signal.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Several equivalent substitute or obvious modifications are made under the premise of not departing from present inventive concept, and performance or use is identical, all should
It is considered as belonging to present invention scope of patent protection determined by the appended claims.
Claims (10)
1. the resetting-mechanism of switch, including pedestal and reducible sliding part, the sliding part is slidably disposed on described
On the sliding cavity of pedestal, it is characterised in that:
The sliding part is provided with first magnetic source axially arranged of the magnetizing direction along the sliding cavity；
The second magnetic source is provided on the pedestal, radial direction of the magnetizing direction of second magnetic source substantially along the sliding cavity is set
It sets；
The reset force acted on the sliding part that first magnetic source and second magnetic source are formed is along the sliding cavity
First end is directed toward the second end of the sliding cavity or is directed toward the first end of the sliding cavity along the second end of the sliding cavity；
First end on the pedestal close to the sliding cavity is provided with the installation position of distance measuring sensor；
The lower end of the sliding part is as trigger unit for triggering the distance measuring sensor.
2. the resetting-mechanism of switch according to claim 1, it is characterised in that:
The distance measuring sensor is laser range sensor or Magnetic Sensor；
When the distance measuring sensor is the Magnetic Sensor, triggering magnetic pole conduct of first magnetic source towards the installation position
The trigger unit.
3. the resetting-mechanism of switch according to claim 2, it is characterised in that:
First magnetic source is tapered and is directed toward the Magnetic Sensor.
4. the resetting-mechanism of switch according to claim 3, it is characterised in that:
The axis of the working face and the sliding cavity towards the sliding part of second magnetic source has angle；
When the sliding part is located at nature resting position, the working face is towards the triggering magnetic pole.
5. the resetting-mechanism of switch according to claim 1, it is characterised in that:
Sleeve is provided on the pedestal, as the sliding cavity, the mounting hole of second magnetic source is set for the inner cavity of the sleeve
It sets on the sleeve.
6. the resetting-mechanism of switch according to claim 5, it is characterised in that:
Be provided with solid lubricant in the mounting hole, the solid lubricant be located at second magnetic source and the sliding part it
Between.
7. the resetting-mechanism of switch according to claim 2, it is characterised in that:
On the pedestal, magnetic-conductance portion is provided on the outside of the sleeve；
Minimum two group of second magnetic source is axially provided with along the sliding cavity, and in the second magnetic source described in every group is located on the same floor；
In every group, the polarity in the outside of second magnetic source is identical；
There are two kinds of polarity in the outside of second magnetic source.
8. according to claim 1 to the resetting-mechanism of 7 any switches, it is characterised in that:
The ratio of the maximum radial width in addition to its mounting portion of the first magnetic source radial direction maximum width and the pedestal exists
Between 30% to 35%；
Maximum except its mounting portion in addition to of second magnetic source along the radial maximum length and the pedestal of the sliding cavity
The ratio of radial width is between 10% to 16%；
Second magnetic source along the sliding cavity axial maximum width and second magnetic source along the sliding cavity radial direction
Maximum length ratio between 45% to 55%.
9. according to claim 1 to the resetting-mechanism of 7 any switches, it is characterised in that:
The narrow shielding cave in the wide top in bottom is provided on the pedestal, the top is made towards the sliding part, the shielding cave
For the Magnetic Sensor installation position.
10. a kind of switch, it is characterised in that:
The switch includes the resetting-mechanism of any switch of claim 1 to 9, the switch export on-off model or
Analog signals.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018108503100 | 2018-07-28 | ||
| CN201810850310 | 2018-07-28 |
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| CN109786140A true CN109786140A (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075387.XA Pending CN109921778A (en) | 2018-07-28 | 2019-01-25 | Axis body and its switch, keyboard |
| CN201910075955.6A Pending CN109786140A (en) | 2018-07-28 | 2019-01-25 | The resetting-mechanism and switch of switch |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910075387.XA Pending CN109921778A (en) | 2018-07-28 | 2019-01-25 | Axis body and its switch, keyboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111785568A (en) * | 2020-05-28 | 2020-10-16 | 广东兰星能源科技有限公司 | Non-contact automatic reset switch structure |
| CN113810036A (en) * | 2020-06-15 | 2021-12-17 | 重庆达方电子有限公司 | Keyboard with a keyboard body |
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| CN113810036B (en) * | 2020-06-15 | 2024-04-02 | 重庆达方电子有限公司 | Keyboard with keyboard body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109921778A (en) | 2019-06-21 |
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Application publication date: 20190521 |