CN101071688B - Switching device - Google Patents
Switching device Download PDFInfo
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- CN101071688B CN101071688B CN2007100916554A CN200710091655A CN101071688B CN 101071688 B CN101071688 B CN 101071688B CN 2007100916554 A CN2007100916554 A CN 2007100916554A CN 200710091655 A CN200710091655 A CN 200710091655A CN 101071688 B CN101071688 B CN 101071688B
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Abstract
The invention provides a switching device with a two-stage switching structure of low cost and good operability, capable of creating click feeling in a simple structure. A common fixed contact and an individual fixed contact are arranged with a part of a flat face and a side end face while being protruded with a step from a bottom face of a base stand, and with their side end faces set opposed to each other in a direction crossing a sliding direction of a slide member, and at the same time, the individual fixed contact is set in opposition to a sliding direction of the sliding member. A spherical movable contact is in contact with the side end faces of the common fixed contact and a first individual fixed contact to output a first-step signal in accordance with movement of the slide member, and in accordance with further movement of the slide member, the spherical movable contact climbs up on a flat face of the common fixed contact and the first individual fixed contact to come in contact with a second individual fixed contact, whereby, a second-step signal is outputted with a click feeling.
Description
Technical field
The present invention relates to the switching device that uses with switch as the operation of various electric mechanicals with secondary switch structure.
Background technology
Switching device as existing secondary switch structure, be well known that by the insulation board that disposes a plurality of fixed contacts, carry out the movable contact pin of sliding contact, the switching device that lid and housing constituted (for example, with reference to patent documentation 1) that keeps this travelling contact and make the executive component of its slip and cover them with these fixed contacts.
Fig. 9～shown in Figure 11 is the vertical view of this switching device, and shown in Figure 9 is the state of movable contact pin at neutral position N, and shown in Figure 10 is the state of movable contact pin at primary importance MD, and shown in Figure 11 is the state of travelling contact at second place AD.Omitted the diagram of executive component, lid and housing among the figure.Insulation board 31 among figure surface thereon is provided with common fixed contact 11, first fixed contact 12,13 and second fixed contact 14,15.
And, on insulation board 31, be set with and the corresponding neutral position N of the operating position of not shown knob, primary importance MU, MD and second place AU, AD and with corresponding first area Z1 of the moving range of movable contact pin 32 and second area Z2.If be described in detail, then neutral position N is the position of the movable contact pin 32 of position when the neutral position of knob, primary importance MU, MD are the positions of the movable contact pin 32 of the operating position of knob when being positioned at first order operating position, and second place AU, AD are the positions of the movable contact pin 32 of operating position when the first order is further operated partial operating position of knob.In addition, first area Z1 is common fixed contact 11 and first fixed contact 12,13 zone arranged side by side, and second area Z2 is common fixed contact 11 and second fixed contact 14,15 zone arranged side by side.
Below, the action of above-mentioned parts is described.At first, shown in Figure 9 the is state of operation knob not, the state the when shift position of representing movable contact pin 32 is in neutral position N.In this state, because of movable contact pin 32 does not contact with any fixed contact 11～15, so secondary switch device output signal not.
In addition, shown in Figure 10 is the state that knob-operated has been arrived the operating position of the first order, represents that movable contact pin 32 moves to the state of primary importance MD from neutral position N.In this state, movable contact pin 32 contacts with first fixed contact, 12 both sides with shared fixed contact 11, and bridge joint is between two fixed contacts 11,12.Thus, the secondary switch device becomes the device of input first order signal.
In addition, shown in Figure 11 is the state that knob-operated has been arrived partial operating position, represents that movable contact pin 32 has moved to the state of second place AD from neutral position N.In this state, movable contact pin 32 contacts with second fixed contact, 14 both sides with shared fixed contact 11, and bridge joint is between two fixed contacts 11,14.Thus, the secondary switch device becomes the device of input second level signal.
Patent documentation 1: No. 3628423 communique of Japan Patent
But, in above-mentioned existing switching device, because under the effect of the elastic pressure that movable contact pin produces by self deflection, produce contact pressure with each fixed contact when sliding, so can not make the first order and the different operation feeling of second level generation, operability is bad, in addition, other parts such as spring if the increase click is rattled away, then number of spare parts increases, the problem of bringing cost to increase.
Summary of the invention
Therefore, the objective of the invention is to address the above problem a little, provide a kind of and can produce click sound thoughts and feelings, low price and the good switching device of operability with secondary switch structure with simple structure.
In order to solve above-mentioned problem, in the present invention, constitute as first solution, have: base station, it disposes the common fixed contact and first and second individual fixed contact; Slide unit, it is accommodated by this base station and can slide mobile; Elastomeric element, its to this slide unit to a direction application of force; And spherical travelling contact, it contacts with above-mentioned common fixed contact and above-mentioned first and second individual fixed contact along with moving of above-mentioned slide unit, face relative with described spherical travelling contact on the above-mentioned common fixed contact and first and second individual fixed contact is a platen surface, and the above-mentioned common fixed contact and first and second individual fixed contact are configured to the platen surface of a part and side end face and are the state of having given prominence to from the bottom surface of above-mentioned base station step-likely, the interval that on the direction of intersecting with the glide direction of above-mentioned slide unit, separates regulation, so that the relative mode in mutual side end face disposes above-mentioned common fixed contact and first, second individual fixed contact, and on the glide direction of above-mentioned slide unit, make above-mentioned first individual fixed contact and second individual fixed contact separate relative configuration the in interval of regulation, be accompanied by moving of above-mentioned slide unit, above-mentioned spherical travelling contact is connected between the side end face of the above-mentioned common fixed contact and first individual fixed contact, the signal of the output first order, be accompanied by further moving of above-mentioned slide unit, above-mentioned spherical travelling contact climbs on the platen surface of the above-mentioned common fixed contact and first individual fixed contact, afterwards, the above-mentioned spherical travelling contact that contacts with above-mentioned common fixed contact contacts with above-mentioned second individual fixed contact, thereby the sense of touch that is accompanied by click sound is exported partial signal, form the contact portion of the first order by above-mentioned common fixed contact and above-mentioned first individual fixed contact, form partial contact portion by above-mentioned common fixed contact and above-mentioned second individual fixed contact.
In addition, constitute as second solution: on above-mentioned base station, setting has the guiding groove on the inclined plane of expanding upward from the bottom surface, exceed the opposed inside face of one section position in bottom surface from this guiding groove, make the above-mentioned common fixed contact and first and second individual fixed contact outstanding, form the contact portion of the first order by the side end face of the above-mentioned common fixed contact and first individual fixed contact, form partial contact portion by the above-mentioned platen surface of the above-mentioned common fixed contact and second individual fixed contact.
In addition, constitute as the 3rd solution: formed rake on the side end face of the above-mentioned common fixed contact that connects with above-mentioned spherical travelling contact and first individual fixed contact, the relative interval of this rake dwindles gradually towards the direction that disposes above-mentioned second individual fixed contact.
In addition, constitute as the 4th solution: the above-mentioned common fixed contact and first and second individual fixed contact are formed: the above-mentioned platen surface that above-mentioned spherical travelling contact climbs becomes the stamping-out surface that stamping-out adds man-hour.
In addition, constitute as the 5th solution: on above-mentioned slide unit, drive plate distolateral butt, that can move on the application of force direction of this elastomeric element with above-mentioned elastomeric element is set, and above-mentioned spherical travelling contact is clamped between above-mentioned slide unit and the above-mentioned drive plate, and above-mentioned spherical travelling contact remained to be driven in above-mentioned slide unit, by the elastic pressure of above-mentioned elastomeric element, to above-mentioned spherical travelling contact to the bottom surface of the above-mentioned base station direction application of force.
As mentioned above, because switching device of the present invention has: base station, it disposes the common fixed contact and first and second individual fixed contact; Slide unit, it is accommodated by base station and can slide mobile; Elastomeric element, its to slide unit to a direction application of force; And spherical travelling contact, it contacts with the shared fixed contact and first and second individual fixed contact along with moving of slide unit, the common fixed contact and first and second individual fixed contact are configured to the platen surface of a part and side end face and are the state of having given prominence to from the bottom surface of base station step-likely, the interval that on the direction of intersecting with the glide direction of slide unit, separates regulation, so that the relative mode in mutual side end face disposes common fixed contact and first, second individual fixed contact, and on the glide direction of slide unit, make first individual fixed contact and second individual fixed contact separate relative configuration the in interval of regulation, be accompanied by moving of slide unit, spherical travelling contact is connected between the side end face of the common fixed contact and first individual fixed contact, the signal of the output first order, be accompanied by further moving of slide unit, spherical travelling contact climbs on the platen surface of the common fixed contact and first individual fixed contact, contact with second individual fixed contact, thereby the sense of touch that is accompanied by click sound is exported partial signal, therefore, owing to the platen surface of the common fixed contact and first and second individual fixed contact and side end face formed be the state of having given prominence to from the bottom surface of base station step-likely, so when carrying out the switching of the first order and partial contact portion, can form the contact step simply, can easily form the secondary switch that is accompanied by the click sound sense of touch.
In addition, because on base station, setting has the guiding groove on the inclined plane of expanding upward from the bottom surface, exceed the opposed inside face of one section position in bottom surface from guiding groove, make the common fixed contact and first and second individual fixed contact outstanding, form the contact portion of the first order by the side end face of the common fixed contact and first individual fixed contact, form partial contact portion by the platen surface of the common fixed contact and second individual fixed contact, therefore, owing to form the first order and partial contact portion by the side end face of the metallic plate that constitutes fixed contact and platen surface, and formed the stage portion that is used to produce the click sound thoughts and feelings, so there is no need the metallic plate that contact is used is bent to complicated shape to be used to produce the click sound thoughts and feelings, structure becomes simply can be easy to processing.
In addition, owing on the side end face of the common fixed contact that connects with spherical travelling contact and first individual fixed contact, formed rake, the relative interval of this rake dwindles gradually towards the direction that disposes second individual fixed contact, therefore, because the sliding contact on the direction on the platen surface of climbing along rake of spherical travelling contact is so can carry out contacting of common fixed contact and first individual fixed contact and spherical travelling contact reliably.
In addition, because the common fixed contact and first and second individual fixed contact, the platen surface side that spherical travelling contact is climbed adds the stamping-out surface in man-hour as stamping-out, therefore, because be not subjected to the influence of the overlap of shear surface, can obtain level and smooth sliding surface.
In addition, because on slide unit, drive plate distolateral butt, that can move on the application of force direction of elastomeric element with elastomeric element is set, and spherical travelling contact is clamped between slide unit and the drive plate, and spherical travelling contact remained to be driven in slide unit, elastic pressure by elastomeric element, to spherical travelling contact to the bottom surface of the platform direction application of force, therefore, even small-sized spherical travelling contact also can make contact pressure increase, can carry out the first order, the switching of partial contact reliably.
Description of drawings:
Shown in Figure 1 is the overall perspective view of switching device of the present invention;
Shown in Figure 2 is the exploded perspective view of switching device of the present invention;
The vertical view of the state of shown in Figure 3 is removing of switching device of the present invention lid;
Shown in Figure 4 is the profile of switching device of the present invention;
Shown in Figure 5 is the stereogram of the base station part of switching device of the present invention;
The vertical view of the configuration relation of the contact portion of shown in Figure 6 is switching device of the present invention;
Shown in Figure 7 is the profile of the first order opening of switching device of the present invention;
Shown in Figure 8 is the profile of the second level opening of switching device of the present invention
The movable contact pin of shown in Figure 9 is existing switching device is positioned at the vertical view of the state of neutral position N;
The movable contact pin of shown in Figure 10 is existing switching device is positioned at the vertical view of the state of primary importance MD;
The travelling contact of shown in Figure 11 is existing switching device is positioned at the vertical view of the state of second place AD.
Among the figure:
The 1-base station; The 1a-incorporating section; The 1b-peristome; The 1c-engaging protrusion; The 1d-engaging protrusion; The 1e-concave part; The 1f-guiding groove; The 1g-inclined plane; The 2-common fixed contact; The 2a-rake; The 2b-splicing ear; The 3-individual fixed contact; 3a-first individual fixed contact; 3b-second individual fixed contact; The 3c-rake; The 3d-splicing ear; The 3e-splicing ear; The 4-slide unit; The 4a-drive division; The 4b-operating portion; 4c-slip arm; 4d-contact maintaining part; 4e-engages protuberance; 4f-retaining hole portion; The 4g-inclined plane; The 5-drive plate; The 5a-baseplate part; The 5b-alar part; The 5c-connecting hole; 5d-spring abutting part; 5e-contact pushing portion; The spherical movable contact component of 6-; The 7-elastomeric element; The 8-lid; The 8a-cap; 8b-first foot; 8c-second foot; 8d-card claw stop; The 8e-card ends bridge.
Embodiment
Below, Fig. 1～Fig. 8 represents embodiments of the present invention.Shown in Figure 1 is the overall perspective view of switching device of the present invention, shown in Figure 2 is the exploded perspective view of switching device of the present invention, the vertical view of the state of shown in Figure 3 is removing of switching device of the present invention lid, shown in Figure 4 is the profile of switching device of the present invention, shown in Figure 5 is the stereogram of the base station part of switching device of the present invention, the vertical view of the configuration relation of the contact portion of shown in Figure 6 is switching device of the present invention, shown in Figure 7 is the profile that switching device of the present invention is positioned at first order opening; Shown in Figure 8 is the profile that switching device of the present invention is positioned at second level opening.
In Fig. 1 and Fig. 2, switching device of the present invention is mainly by constituting with the lower part, disposes the base station 1 of a plurality of fixed contacts that is:; Spherical travelling contact 6 in the enterprising line slip contact of fixed contact; Keep spherical travelling contact 6 and by elastomeric element 7 to slide unit 4 and drive plate 5 a direction application of force, that the mobile quilt that can slide on base station 1 is accommodated; And the lid 8 of the upper face side of the peristome of covering base station 1.
As Fig. 2 and shown in Figure 5, base station 1 is formed by insulating material such as synthetic resin, reaches a side in the above and forms opening, and portion has incorporating section 1a within it, has peristome 1b in its side, forms the box-shaped of essentially rectangular shape.In a side that is provided with peristome 1b of this base station 1,, be provided with and cover the 8 engaging protrusion 1c that engage in the both sides that clip peristome 1b.In addition, on side, be provided with too and cover the 8 engaging protrusion 1d that engage with respect to the direction that intersects with the side that is provided with peristome 1b.
In addition, in the inner bottom surface both sides of incorporating section 1a, be provided with a pair of concave part 1e, the 1e that extend along the slip moving direction of slide unit 4.Contain elastomeric element 7 at this a pair of concave part 1e, 1e, a distolateral drive plate 5 that is connected to of this elastomeric element 7, another distolateral medial surface that is connected to incorporating section 1a.In addition,, be provided with the concavity that extends along the slip moving direction of slide unit 4 and the guiding groove 1f of stria shape, be provided with pair of angled face 1g, 1g in the both sides of this guiding groove 1f in the inner bottom surface central authorities of incorporating section 1a.In addition, this pair of angled face 1g, 1g towards the top, form arc surfaced or inclined plane shape (in present embodiment be arc surfaced) expanding on the direction of opening mutually from the bottom surface of guiding groove 1f.
In addition, exceed the opposed inside face of one section position in the bottom surface from guiding groove 1f of the opposition side of the peristome 1b that is positioned at base portion 1, be respectively arranged with common fixed contact 2, the first fixed contact 3a, the second fixed contact 3b that the metallic plate by conductivity forms.These common fixed contact 2 and the first and second individual fixed contact 3a, 3b bury underground with following state, promptly expose from bottom surface and the medial surface of guiding groove 1f Yi Bufen platen surface and side end face, gives prominence to from the bottom surface (bottom surface of guiding groove 1f) of base station 1 with having the ladder difference.
In addition, on the direction of intersecting with the glide direction of slide unit 4, the interval that separates regulation, common fixed contact 2 disposes in the relative mode in mutual side end face with first, second individual fixed contact 3a, 3b, in addition, on the glide direction of slide unit 4, the first individual fixed contact 3a and the second individual fixed contact 3b separate relative configuration the in interval of regulation.In addition, another of common fixed contact 2 and the first and second individual fixed contact 3a, 3b is distolateral, is exported to the outside of the side of base station 1 respectively, is respectively arranged with splicing ear 2b, 3d, 3e.
And, the contact portion of the formation first order on the side end face of the common fixed contact 2 and the first individual fixed contact 3a, the partial contact of formation portion on the platen surface of the common fixed contact 2 and the second individual fixed contact 3b.And, during installation switching device, be accompanied by moving of slide unit 4, spherical travelling contact 6 is directed driven between the inclined plane of guiding groove 1f 1g, 1g, be connected between the side end face of the common fixed contact 2 and the first individual fixed contact 3a, the signal of the output first order, first order switch is in opening.Then, state since then, further be urged, along with moving of slide unit 4, spherical travelling contact 6 contacts with the second individual fixed contact 3b, thus from rising between the side end face of the common fixed contact 2 and the first individual fixed contact 3a on the platen surface of the common fixed contact 2 and the first individual fixed contact 3a, export partial signal, second level switch is in opening.
At this moment, spherical travelling contact 6, after between the side end face that is connected to the common fixed contact 2 and the first individual fixed contact 3a, rise on the platen surface of the common fixed contact 2 and the first individual fixed contact 3a, and contact with the second individual fixed contact 3b, in this process, spherical travelling contact 6 exceeds on the platen surface of the common fixed contact 2 of a fragment position and the first individual fixed contact 3a by rising to be in from the bottom surface of guiding groove 1f, thereby the sense of touch of giving click sound when the slide of slide unit 4 can obtain good operation feeling.
So, make the common fixed contact 2 and the first and second individual fixed contact 3a, 3b exceeds the opposed medial surface of a fragment position to be given prominence in the bottom surface from guiding groove 1f, form the contact portion of the first order by the side end face of the common fixed contact 2 and the first individual fixed contact 3a, form partial contact portion by the platen surface of the common fixed contact 2 and the second individual fixed contact 3b, therefore, can utilize the side end face of the metallic plate that constitutes fixed contact and platen surface to form the first order and partial contact portion, can form simultaneously and produce the stage portion that click sound is used, therefore, needn't the metallic plate of in addition contact being used be flexed into complicated shape in order to obtain producing the stage portion that click sound uses, can directly use flat metallic plate, simple in structure and be easy to processing.
In addition, with the side end face of the spherical travelling contact 6 contacted common fixed contact 2 and the first individual fixed contact 3a on, be formed with rake 2a and 3c on the glide direction of slide unit 4, the opposed interval of this rake 2a and 3c dwindles gradually towards the direction that has disposed the second individual fixed contact 3b.And, by this rake 2a, 3c being formed on the side end face of the common fixed contact 2 and the first individual fixed contact 3a, thereby spherical travelling contact 6 slides along this rake 2a, the 3c direction contact on the platen surface of climbing from the side end face, therefore, can carry out contacting of the common fixed contact 2 and the first individual fixed contact 3a and spherical travelling contact 6 reliably.
In addition, in the present embodiment, common fixed contact 2 and the first and second individual fixed contact 3a, 3b form, and in the process that forms at stamping-out processing metal plate, the platen surface side that spherical travelling contact 6 climbs is the stamping-out surface that stamping-out adds man-hour.Therefore, at spherical travelling contact 6 along the rake 2a, the 3c that form in the side end face of the common fixed contact 2 and the first individual fixed contact 3a, when the direction contact on the platen surface of climbing from the side end face is again slided, because be not subjected to the influence of the overlap of shear surface, so can obtain level and smooth sliding surface.
Slide unit 4 is formed by insulating material such as synthetic resin equally, has: be contained in the 1a place, incorporating section of base station 1 and the drive division 4a that can slide mobile; The rectangular-shaped operating portion 4b that has given prominence to the place ahead that is arranged on this drive division 4a, from the peristome 1b of base station 1.Simultaneously, drive division 4a has: a pair of slip arm 4c, the 4c that are arranged at two sides and engage with the both wing portions 5b of drive plate 5; Be arranged on the inboard of these slip arms 4c, 4c and keep the contact maintaining part 4d of spherical movable contact component 6; Give prominence to upper face side, engage the engaging protuberance 4e of the essentially rectangular shape that also can on the slip moving direction of slide unit 4, move with drive plate 5 to contact maintaining part 4d.
In addition, in the rear side central authorities of contact maintaining part 4d, be provided with the 4f of retaining hole portion of the semicircle shape that holds movable contact component 6, on the inner peripheral surface of the 4f of this retaining hole portion, the inner bottom surface side that is provided with towards the incorporating section of base station 1 1a expands the inclined plane 4g that opens.And, in spherical movable contact component 6 during by the 4f of retaining hole portion of contact maintaining part 4d and drive plate 5 clampings, by this inclined plane 4g to spherical movable contact component 6 to the bottom surface of the base station 1 direction application of force.
This drive plate 5 is positioned in the upper face side of the drive division 4a of slide unit 4, the rectangular-shaped connecting hole 5c that is arranged at baseplate part 5a engages with the rectangular-shaped protuberance 4e that engages of the drive division 4a that is arranged at slide unit 4, drive plate 5 is driven in the slip of slide unit 4 and moves, and can move on the slip moving direction of slide unit 4.In this case, the size of connecting hole 5c on glide direction forms to such an extent that be slightly larger than engaging protuberance 4e, and drive plate 5 becomes movable insertion state, it can be slided separately on the drive division 4a of slide unit 4 move.
In addition, at this moment, be arranged at the both wing portions 5b of drive plate 5, a pair of spring abutting part 5d, the 5d at 5b place, the state that has been configured to the relative or butt of the first end face of a pair of slip arm 4c, the 4c that are provided with two sides at the drive division 4a of slide unit 4, in addition, be configured to the relative state of inner peripheral surface with the 4f of retaining hole portion that is provided with in the rear of contact maintaining part 4f central authorities at the contact pushing 5e of portion of another distolateral setting.
Spherical movable contact component 6 forms spherical by the metal material of conductivity.This spherical movable contact component 6 itself does not have elasticity, with respect to existing movable contact pin by self bending and the elastic pressure that produces generates the situation of the contact pressure when sliding, because spherical movable contact component 6 does not need to rely on the bending of self to produce contact pressure, so can simply form by Metal Ball etc., therefore can miniaturization.Because this spherical movable contact component 6 is clamped in the contact pushing 5e of portion of drive plate 5 and between the inclined plane 4g that the inner peripheral surface of the 4f of retaining hole portion of slide unit 4 is provided with, and be retained as and be driven in slide unit 4, even, also can keep stable conducting state when mobile sliding so spherical movable contact component 6 is formed spherical.
In this case, at the both wing portions 5b of the baseplate part 5a that is arranged at drive plate 5, a pair of spring abutting part 5d, the 5d at 5b place, and dispose two elastomeric elements 7 between the medial surface of the incorporating section 1a of base station 1.That is, with spherical movable contact component 6 be center and a pair of elastomeric element 7 is set on the opposed position.Therefore, owing to apply elastic pressure by 7 pairs of spherical movable contact component 6 of a plurality of elastomeric elements, so can obtain big contact pressure, and because can dispose these elastomeric elements 7 well in the switch inner equilibrium, thus can be reliably to spherical movable contact component 6 to the bottom surface of the base station 1 direction application of force.
In addition, as Fig. 3, shown in Figure 4, under the state after elastomeric element 7 is assembled into incorporating section 1a, the one distolateral spring abutting part 5d that is connected to drive plate 5 of elastomeric element 7, the direction application of force that drive plate 5 and slide unit 4 are given prominence to by the operating portion 4b to slide unit 4 together, at this moment, be clamped in the contact pushing 5e of portion and the spherical movable contact component 6 between the inclined plane 4g that the inner peripheral surface of the 4f of retaining hole portion of slide unit 4 is provided with of drive plate 5, under the effect of the pushing force of the contact pushing 5e of portion that generates by the elastic pressure of elastomeric element 7 (left of Fig. 4 to), be urged inclined plane 4g, be pressed towards the inner bottom surface side (the following direction of Fig. 4) of incorporating section 1a along this inclined plane 4g to the 4f of retaining hole portion.
So, elastic pressure by elastomeric element 7, spherical movable contact component 6 is clamped between the distolateral and slide unit 4 of drive plate 5, on the contact-making surface of the slide unit 4 of this spherical movable contact component 6 of clamping, inclined plane 4g is set, and by this inclined plane 4g, under the effect of the elastic pressure of elastomeric element 7 to spherical movable contact component 6 to the bottom surface of the base station 1 direction application of force, therefore, even small-sized spherical movable contact component 6 also can increase contact pressure, can carry out the first order and partial contact reliably and switch.
In addition, on the inner bottom surface of incorporating section 1a, the guiding groove 1f that extends along the slip moving direction of slide unit 4 is set, both sides at this guiding groove 1f, be provided with the 1g of pair of angled portion that the spherical movable contact component 6 of guiding is slided, 1g, with this a pair of rake 1g, 1g links to each other, exceed on the opposed inside face of a fragment position from the bottom surface of guiding groove 1f, make common fixed contact 2, the first individual fixed contact 3a and the second individual fixed contact 3b are outstanding to be formed, spherical movable contact component 6 is at the 1g of this pair of angled portion, the last slip of 1g, because spherical movable contact component 6 contacts slip with the first individual fixed contact 3a and the second individual fixed contact 3b in turn, so spherical movable contact component 6 is contacted reliably.
Below, utilize Fig. 4～Fig. 8 that the action of switching device of the present invention is described.
At first, under A-stage shown in Figure 4, slide unit 4 under the effect of the elastic pressure of elastomeric element 7, by drive plate 5 by to illustrated left to the application of force.At this moment, spherical movable contact component 6, under the effect of the elastic pressure of elastomeric element 7, be urged to the inclined plane of slide unit 4 4g and by the downward application of force by drive plate 5, under the state that has produced contact pressure, by elasticity by on the two inclined plane 1g, the 1g that are pressed in the guiding groove 1f on the inner bottom surface that is formed at incorporating section 1a.Under this state, spherical movable contact component 6 is left common fixed contact 2 and the first and second individual fixed contact 3a, 3b, and switch is in closed condition (with reference to Fig. 6).
Then, as shown in Figure 7, if to illustrated right bulldozing operation slide unit 4, then slide unit 4 and drive plate 5 and spherical movable contact component 6 overcome the application of force of elastomeric element 7, and move to right, spherical movable contact component 6 is at the inclined plane of guiding groove 1f 1g, the last slip of 1g, with shown in Figure 5 from guiding groove 1f the bottom surface and the front end side contact of the side end face of the common fixed contact 2 exposed of medial surface and the first individual fixed contact 3a, the common fixed contact 2 and the first individual fixed contact 3a are conducted by spherical movable contact component 6, and first order switch is in opening.
At this moment, spherical movable contact component 6, under the effect of the elastic pressure that the elastomeric element 7 that has been compressed at the bulldozing operation that is accompanied by slide unit 4 further pressurizeed, by elasticity by being pressed on the common fixed contact 2 and the first individual fixed contact 3a, therefore, can obtain stable contact pressure reliably.
Then, from this state, as shown in Figure 8, if further to illustrated right bulldozing operation slide unit 4, then slide unit 4 and drive plate 5 and spherical movable contact component 6 further overcome the application of force of elastomeric element 7 and move to right, spherical movable contact component 6 is along on the rake 2a that is provided with on the side end face of the common fixed contact 2 of guiding groove 1f and the first individual fixed contact 3a and 3c climb platen surface from the side end face, spherical movable contact component 6 contacts with the second individual fixed contact 3b shown in Fig. 5 right side, second other travelling contact 3b and shared individual fixed contact 2 are conducted by spherical movable contact component 6, and second level switch is in opening.
At this moment, spherical movable contact component 6 is climbed platen surface from the side end face of the common fixed contact 2 and the first individual fixed contact 3a on and the process of the enterprising line slip of platen surface, spherical movable contact component 6 produces the sense of touch of click sound when crossing over step.
And, when spherical movable contact component 6 is climbed platen surface from the side end face of the common fixed contact 2 and the first individual fixed contact 3a, spherical movable contact component 6 is slided on the inclined plane of guiding groove 1f 1g, 1g, be connected to from the bottom surface of guiding groove 1f shown in Figure 5 and the point (position) of the front of the side end face of the common fixed contact 2 that medial surface exposes and the first individual fixed contact 3a, be configured to clash in the position of the position downside of the central point of spherical movable contact component 6.Therefore, cross over and be easy to realization, and can obtain the sense of touch of good click sound.
In addition, at this moment, spherical movable contact component 6 makes because of stage portion and highly changes, inclined plane 4g along slide unit 4 is moved upward, but because drive plate 5 is inserted on the drive division 4a of slide unit 4 with the mode activity that can slide mobile separately, so push the contact pushing 5e of portion of the drive plate 5 of spherical movable contact component 6, move by slip moving direction (right side of Fig. 8) to slide unit 4, spherical movable contact component 6 can be moved upward.
In addition, spherical movable contact component 6, under the effect of the elastic pressure that the elastomeric element 7 that has been compressed at the bulldozing operation that is accompanied by slide unit 4 further pressurizeed, by elasticity by being pressed on the common fixed contact 2 and the second individual fixed contact 3b, therefore, can obtain stable contact pressure more reliably.
Simultaneously, in the present embodiment, the structure that forms is, the common fixed contact 2 and the first and second individual fixed contact 3a, 3b, expose from bottom surface and the medial surface of guiding groove 1f the platen surface of a part and side end face, and the platen surface that has a step is buried underground to the bottom surface (bottom surface of guiding groove 1f) from base station 1 is the state of having given prominence to planely, but be not limited to this, also can be with the common fixed contact 2 and the first and second individual fixed contact 3a, the platen surface of 3b with the direction of the bottom surface quadrature of base station 1 on uprightly configuration, spherical travelling contact 6 slides on the side end face.
Embodiment according to the invention described above, the common fixed contact 2 and the first and second individual fixed contact 3a, platen surface and side end face that 3b is configured to a part are the state of having given prominence to from the bottom surface of base station 1 step-likely, on the direction of intersecting with the glide direction of slide unit 4, the interval that separates regulation, dispose common fixed contact 2 and first in the relative mode in mutual side end face, the second individual fixed contact 3a, 3b, and on the glide direction of slide unit 4, make the first individual fixed contact 3a and the second individual fixed contact 3b separate relative configuration the in interval of regulation, along with moving of slide unit 4, spherical movable contact component 6 is connected between the side end face of the common fixed contact 2 and the first individual fixed contact 3a, the signal of the output first order, along with further moving of slide unit 4, spherical movable contact component 6 is climbed on the platen surface of the common fixed contact 2 and the first individual fixed contact 3a, contact with the second individual fixed contact 3b, thereby the sense of touch that is accompanied by click sound is exported partial signal, owing to be under the state of having given prominence to step-likely in bottom surface from base station 1, the common fixed contact 2 and the first and second individual fixed contact 3a have been formed, the platen surface of 3b and side end face, so when carrying out the switching of the first order and partial contact portion, can form the contact step simply, can form the secondary switch that is accompanied by the click sound sense of touch easily.
Claims (6)
1. switching device is characterized in that:
Have:
Base station, it disposes the common fixed contact and first and second individual fixed contact;
Slide unit, it is accommodated by this base station and can slide mobile;
Elastomeric element, its to this slide unit to a direction application of force; And
Spherical travelling contact, it contacts with above-mentioned common fixed contact and above-mentioned first and second individual fixed contact along with moving of above-mentioned slide unit,
Face relative with described spherical travelling contact on the above-mentioned common fixed contact and first and second individual fixed contact is a platen surface, and the above-mentioned common fixed contact and first and second individual fixed contact are configured to the platen surface of a part and side end face and are the state of having given prominence to from the bottom surface of above-mentioned base station step-likely, the interval that on the direction of intersecting with the glide direction of above-mentioned slide unit, separates regulation, so that the relative mode in mutual side end face disposes above-mentioned common fixed contact and first, second individual fixed contact, and on the glide direction of above-mentioned slide unit, make above-mentioned first individual fixed contact and second individual fixed contact separate relative configuration the in interval of regulation, be accompanied by moving of above-mentioned slide unit, above-mentioned spherical travelling contact is connected between the side end face of the above-mentioned common fixed contact and first individual fixed contact, the signal of the output first order, be accompanied by further moving of above-mentioned slide unit, above-mentioned spherical travelling contact climbs on the platen surface of the above-mentioned common fixed contact and first individual fixed contact, afterwards, the above-mentioned spherical travelling contact that contacts with above-mentioned common fixed contact contacts with above-mentioned second individual fixed contact, thereby the sense of touch that is accompanied by click sound is exported partial signal
Form the contact portion of the first order by above-mentioned common fixed contact and above-mentioned first individual fixed contact, form partial contact portion by above-mentioned common fixed contact and above-mentioned second individual fixed contact.
2. switching device as claimed in claim 1 is characterized in that:
On above-mentioned base station, setting has the guiding groove on the inclined plane of expanding upward from the bottom surface, exceed the opposed inside face of one section position in bottom surface from this guiding groove, make the above-mentioned common fixed contact and first and second individual fixed contact outstanding, form the contact portion of the first order by the side end face of the above-mentioned common fixed contact and first individual fixed contact, form partial contact portion by the above-mentioned platen surface of the above-mentioned common fixed contact and second individual fixed contact.
3. switching device as claimed in claim 2 is characterized in that:
Formed rake on the side end face of the above-mentioned common fixed contact that connects with above-mentioned spherical travelling contact and first individual fixed contact, the relative interval of this rake dwindles gradually towards the direction that disposes above-mentioned second individual fixed contact.
4. switching device as claimed in claim 2 is characterized in that:
The above-mentioned common fixed contact and first and second individual fixed contact are formed: the above-mentioned platen surface that above-mentioned spherical travelling contact climbs becomes the stamping-out surface that stamping-out adds man-hour.
5. switching device as claimed in claim 1 is characterized in that:
On above-mentioned slide unit, drive plate distolateral butt, that can move on the application of force direction of this elastomeric element with above-mentioned elastomeric element is set, and above-mentioned spherical travelling contact is clamped between above-mentioned slide unit and the above-mentioned drive plate, and above-mentioned spherical travelling contact remained to be driven in above-mentioned slide unit, by the elastic pressure of above-mentioned elastomeric element, to above-mentioned spherical travelling contact to the bottom surface of the above-mentioned base station direction application of force.
6. switching device as claimed in claim 1 is characterized in that:
On above-mentioned slide unit, be provided with and above-mentioned spherical travelling contact butt and the inclined plane that tilts to the above-mentioned bottom surface side of above-mentioned base station,
On above-mentioned slide unit, be provided with and a distolateral butt of above-mentioned elastomeric element and the drive plate that on the application of force direction of this elastomeric element, can move, above-mentioned drive plate has contact pushing portion, the above-mentioned spherical travelling contact of clamping between above-mentioned contact pushing portion and above-mentioned inclined plane
Above-mentioned spherical travelling contact is clamped in remain between the above-mentioned contact pushing portion of the above-mentioned inclined plane of above-mentioned slide unit and above-mentioned drive plate and with above-mentioned spherical travelling contact and can be driven in above-mentioned slide unit, and the pushing force of the above-mentioned contact pushing portion that the elastic pressure by above-mentioned elastomeric element causes, above-mentioned spherical travelling contact is pushed to above-mentioned inclined plane, and utilize this inclined plane the above-mentioned bottom surface side application of force of above-mentioned spherical travelling contact to above-mentioned base station.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006103891 | 2006-04-05 | ||
| JP2006103891A JP4185942B2 (en) | 2006-04-05 | 2006-04-05 | Switch device |
| JP2006-103891 | 2006-04-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101071688A CN101071688A (en) | 2007-11-14 |
| CN101071688B true CN101071688B (en) | 2010-05-26 |
Family
ID=38681946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100916554A Active CN101071688B (en) | 2006-04-05 | 2007-04-03 | Switching device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4185942B2 (en) |
| CN (1) | CN101071688B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882316B (en) * | 2014-12-19 | 2017-10-31 | 余正明 | A kind of method that pressing sound is produced in keyboard switch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151602A (en) * | 1995-10-17 | 1997-06-11 | 阿尔卑斯电气株式会社 | Switch device |
| JP3628423B2 (en) * | 1996-03-01 | 2005-03-09 | ナイルス株式会社 | Two-stage operation switch device |
-
2006
- 2006-04-05 JP JP2006103891A patent/JP4185942B2/en active Active
-
2007
- 2007-04-03 CN CN2007100916554A patent/CN101071688B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151602A (en) * | 1995-10-17 | 1997-06-11 | 阿尔卑斯电气株式会社 | Switch device |
| JP3628423B2 (en) * | 1996-03-01 | 2005-03-09 | ナイルス株式会社 | Two-stage operation switch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101071688A (en) | 2007-11-14 |
| JP4185942B2 (en) | 2008-11-26 |
| JP2007280704A (en) | 2007-10-25 |
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Address after: Tokyo, Japan, Japan Patentee after: Alpine Alpine Company Address before: Tokyo, Japan, Japan Patentee before: Alps Electric Co., Ltd. |
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