CN102420062B - Switch device - Google Patents
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- CN102420062B CN102420062B CN201110237453.2A CN201110237453A CN102420062B CN 102420062 B CN102420062 B CN 102420062B CN 201110237453 A CN201110237453 A CN 201110237453A CN 102420062 B CN102420062 B CN 102420062B
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Abstract
The invention relates to a switch device which dose not increase the number of parts related to the rotation action, and can synchronously switch more than three circuits. The switch device (1) is provided with an operating part (6), a base (22) which is provided with a central fixing contact (52c), peripheral fixing contacts (52a, 52b), central communicated fixing contacts (53a, 53b), peripheral communicated fixing contacts (51a, 51b), a first driver unit (90), and a second driver (11). The first driver unit (90) integratedly maintains a central movable contact (8c) and peripheral movable contacts (8a, 8b), and the second driver (11) receives the pressure from the operating part (6) and drives the first driver unit to rotate via a connecting part (12). Peripheral communicated paths are formed among the peripheral fixing contacts, the peripheral movable contacts, and the peripheral communicated fixing contacts, and central communicated paths are formed among the central fixing contact, the central movable contact, the connecting part, the second driver, and the central communicated fixing contacts.
Description
Technical field
The present invention relates to a kind of switching device, the push switch device that particularly carries out work corresponding to the pressing operation to functional unit.
Background technology
In the past, proposed to have a kind of switching device that makes two circuit synchronously switch corresponding to the pressing operation of functional unit (for example, with reference to patent documentation 1).This switching device possesses: base station, has been set up in parallel two double-throw contacts and two common contact corresponding with these double-throw contacts; The first driving body, at one end side has been set up in parallel two armature contacts, these two armature contacts and two double-throw contact sliding contacts; And second driving body, one end side joint is subject to from the pressing of functional unit, and distolateral as fulcrum taking another of the first driving body of contacting with two common contact respectively, and this first driving body is rotated.Between another two distolateral fulcrums of the first driving body, connect one end of the connecting member that formed by extension spring, at the other end of a distolateral connection connecting member of the second driving body.In this switching device, in the time that functional unit is pressed against assigned position, by the power that applies of extension spring, the second driving body rotates the first driving body, and two armature contacts are in same timing and two double-throw contact sliding contacts.Thus, two double-throw contacts respectively with two common contact conductings, two circuit are synchronously switched.
Patent documentation 1: No. 2010/032814 brochure of International Publication
But, in above-mentioned that switching device, in the situation that will making 3 circuit synchronously switch, can consider, between 3 guiding paths that formed by double-throw contact and common contact, two connecting members are set respectively.But, in this case, the related number of components of rotation action increases, and in the case of form each connecting member two extension springs apply equilibrium of forces poor, likely can not make 3 armature contacts in same timing and 3 double-throw contact sliding contacts.
On the other hand, in the case of not making the related number of components increase of rotation action, owing to only between one party guiding path, connecting member being set, therefore can not carry out stable rotation action, compared with armature contact from the nearly side of connecting member, from connecting member away from a side armature contact likely lingeringly with double-throw contact sliding contact., exist the deviation of the synchronization timing of circuit switching can become large problem.
Summary of the invention
The present invention makes in view of described problem, and its object is to provide a kind of switching device, can not increase the related number of components of rotation action, and 3 multiple circuit more than circuit are synchronously switched.
Switching device of the present invention is characterised in that to possess: functional unit, accept pressing operation; Base station, the multiple periphery fixed contacts that there is central fixed contact, there is predetermined distance and be set up in parallel with respect to this central authorities' fixed contact, the central authorities common fixed contact corresponding with above-mentioned central fixed contact and the multiple peripheries common fixed contact corresponding with above-mentioned multiple periphery fixed contacts; The first driver part, one distolateral have with the central armature contact of above-mentioned central fixed contact sliding contact and with multiple periphery armature contacts of above-mentioned multiple periphery fixed contact sliding contact, and make be provided with above-mentioned central armature contact a distolateral opposition side central authorities another distolateral and be provided with under another distolateral state exposing of multiple peripheries of a distolateral opposition side of above-mentioned multiple periphery armature contacts, above-mentioned central armature contact and above-mentioned multiple periphery armature contact are kept integratedly; And second driver part, be subject to the pressing force from aforesaid operations parts by one end side joint, and via connecting member, taking above-mentioned multiple peripheries of contacting with the common fixed contact of above-mentioned multiple peripheries, another is distolateral as fulcrum, and above-mentioned the first driver part is rotated; Above-mentioned multiple periphery fixed contact and the sliding contact of above-mentioned multiple periphery armature contact, and and between the common fixed contact of above-mentioned multiple periphery, form respectively periphery guiding path, and above-mentioned central fixed contact and above-mentioned central armature contact sliding contact, and via forming central guiding path between above-mentioned connecting member and the common fixed contact of above-mentioned the second driver part and above-mentioned central authorities.
According to above-mentioned switching device, multiple periphery fixed contacts and the sliding contact of multiple periphery armature contact, and and between the common fixed contact of multiple periphery, form respectively periphery guiding path, central authorities' fixed contact and central armature contact sliding contact, and via forming central guiding path between connecting member and the second driver part and central common fixed contact, so can not increase the related number of components of rotation action, and multiple circuit are synchronously switched.
In above-mentioned switching device, be preferably, above-mentioned connecting member is made up of extension spring, and another is distolateral in distolateral above-mentioned central authorities that are limited to above-mentioned the first driver part of this extension spring, and another is distolateral is limited to the distolateral of above-mentioned the second driver part; Above-mentioned the second driver part distolaterally rotates as fulcrum taking another contact with above-mentioned central authorities common fixed contacts; The micromotion mechanism that above-mentioned the first driver part, above-mentioned extension spring and above-mentioned the second driver part are constructed as follows: in the situation that aforesaid operations portion material is pressed against assigned position, by the power that applies of above-mentioned extension spring, above-mentioned the second driver part is distolateral as fulcrum rotation taking another, and taking above-mentioned periphery, another distolaterally rotates as fulcrum above-mentioned the first driver part, and drives above-mentioned central armature contact and above-mentioned multiple periphery armature contact.
In this case, owing to possessing micromotion mechanism, so in the time that functional unit is pressed against assigned position, can by the power that the applies moment of extension spring drive central armature contact set on the first driver part and periphery armature contact, therefore in the situation that multiple circuit are synchronously switched, can reduce the deviation of the synchronization timing of circuit switching.
In above-mentioned switching device, be preferably, the two ends of above-mentioned extension spring contact and are limited to another distolateral and above-mentioned the second driver part of central authorities one distolateral of above-mentioned the first driver part at multiple points.
In this case, because the two ends of extension spring contact at multiple points, thus can improve the contact reliability of extension spring, and extension spring is worked reliably as guiding path.
In above-mentioned switching device, be preferably, above-mentioned multiple periphery guiding path is made up of two periphery guiding paths, these two periphery guiding paths and above-mentioned central guiding path by electricity respectively independently guiding path form, form the above-mentioned central guiding path including above-mentioned extension spring in the centre position of above-mentioned two periphery guiding paths.
In this case, owing to forming independently two periphery guiding paths and central guiding path of electricity, thus can not make the related number of components of micromotion increase, and 3 circuit are synchronously switched.In addition, owing to forming single central guiding path between periphery guiding path, thus the extension spring that forms micromotion mechanism can be configured in to middle position, and can carry out stable micromotion.
In above-mentioned switching device, be preferably, the common fixed contact of the common fixed contact of above-mentioned periphery and above-mentioned central authorities, is supported on above-mentioned base station by least different from above-mentioned central fixed contact being supported in to resin material on above-mentioned base station resin materials.
In this case, the resin material that can make the stronger common fixed contact of central authorities of impact on being subject to rotation action and the common fixed contact of periphery support, is different from the resin material that fixed contact is in addition supported.For example, in the time that carrying out micromotion, bears micromotion mechanism the common fixed contact of central authorities and the common fixed contact of periphery of the stronger load from extension spring (applying power) and formation rotating fulcrum, supported by the higher resin material of rigidity compared with other fixed contacts, and do not form the rotating fulcrum of micromotion mechanism, do not bear the fixed contact from the load of extension spring yet, can be supported by the lower resin material of rigidity.Thus, can select resin material according to the purposes of fixed contact, function, the material cost that can cut the waste.
In above-mentioned switching device, be preferably, the common fixed contact of above-mentioned central authorities is made up of the common fixed contact of multiple central authorities, when the common fixed contact of another distolateral and above-mentioned multiple central authorities of above-mentioned the second driver part is normal respectively, contact, the common fixed contact of another distolateral and above-mentioned multiple peripheries of multiple peripheries of above-mentioned the first driver part is distinguished when normal and is contacted.
In this case, can do one's utmost the position skew of the rotating fulcrum that suppresses the first driver part and the second driver part, and stably carry out micromotion by multiple rotating fulcrums.
In above-mentioned switching device, be preferably, the common fixed contact of above-mentioned central authorities is configured between above-mentioned periphery fixed contact and the common fixed contact of above-mentioned periphery, and these 3 fixed contacts configure point-blank side by side.
In this case, configure point-blank side by side for the fixed contact of micromotion, so can stably carry out micromotion.
The effect of invention:
According to the present invention, multiple periphery fixed contacts and the sliding contact of multiple periphery armature contact, and and between the common fixed contact of multiple periphery, form respectively periphery guiding path, central authorities' fixed contact and central armature contact sliding contact, and via forming central guiding path between connecting member and the second driver part and central common fixed contact, so can not increase the related number of components of rotation action, multiple circuit are synchronously switched.
Brief description of the drawings
Fig. 1 is the stereogram that represents the outward appearance of the switching device of embodiments of the present invention.
Fig. 2 is the exploded perspective view of the switching device of execution mode.
Fig. 3 is the stereogram of the base station of having fixed support and fixed contact of the switching device of execution mode.
Fig. 4 is the stereogram of the first driving body unit of having of the switching device of execution mode.
Fig. 5 is the stereogram of the first driving body unit of having of the switching device of execution mode.
Fig. 6 is the stereogram of the second driving body of having of the switching device of execution mode.
Fig. 7 be execution mode switching device make the first driving body unit and the second driving body integrated the stereogram of state.
Fig. 8 is the stereogram of having assembled the base station of micromotion mechanism in the switching device of execution mode.
Fig. 9 is the vertical view of having assembled the base station of micromotion mechanism in the switching device of execution mode.
Figure 10 is the end view of having assembled the base station of micromotion mechanism in the switching device of execution mode.
Figure 11 is the end view describing for the action of following pressing operation of the switching device to execution mode.
Figure 12 is the end view describing for the action of following pressing operation of the switching device to execution mode.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are elaborated.
Fig. 1 is the stereogram that represents the outward appearance of the switching device of embodiments of the present invention.Fig. 2 is the exploded perspective view of the switching device of execution mode.As shown in Figure 1, the switching device 1 of execution mode is configured to, and a part that makes functional unit 6 described later is outstanding from a part for the upper surface of the housing 2 of case shape, accepts the pressing operation from operator etc. by this ledge.Be provided with and covering 3 from a part for the outstanding functional unit 6 of housing 2, this lid 3 is for preventing that the foreign matter such as dust and water is to the intrusion in housing 2.
As shown in Figure 2, switching device 1 for example possesses housing 2, and this housing 2 forms the molding resin material of insulating properties.Housing 2 comprises: upper case 21, the case shape having had at lower side opening; Base station 22 with tabular, has the shape corresponding with the opening of upper case 21, forms the inner bottom surface of switching device 1.By these upper cases 21 and base station 22 are combined, form thus the incorporating section of the component parts of storage switching device 1 in the inside of housing 2.
Be formed with peristome 211 at the upper surface of upper case 21, the upper end of the axial region 62 of functional unit 6 described later can connect this peristome 211.In addition,, at the upper surface of upper case 21, in the interior week of peristome 211, be formed with the slot part 212 of the outer edge embedding of covering 3.
Base station 22 is formed as overlooking oblong-shaped, and surface is provided with the raised face 221 of the shape corresponding with the opening of upper case 21 thereon.By this raised face 221 is received in opening, upper case 21 is properly positioned thus.Around this raised face 221, be provided with outstanding laterally multiple projection 221a.In the time that upper case 21 is covered on base station 22, these projections 221a is pressed into the internal face of upper case 21, and upper case 21 is installed on base station 22 thus.In addition,, on raised face 221, on short side direction, predetermined distance is set and is formed with side by side 3 peristome 222a, the 222c, the 222b that extend along the long side direction of base station 22.In these peristomes 222a, 222c, 222b, configure respectively support 4a described later, 4c, 4b.
In the incorporating section being formed in housing 2, dispose multiple support 4a, 4b, 4c and fixed contact 5a, the 5b, the 5c that are fixed on base station 22, and be accommodated with the functional unit 6 of the pressing operation of accepting operator etc. and the micromotion mechanism 7 that carries out work corresponding to the pressing operation to functional unit 6.Although details is by aftermentioned, micromotion mechanism 7 comprises: the first driving body unit 90, and multiple armature contact 8a, 8b, 8c are kept integratedly by holder 10; The second driving body 11, rotates the first driving body unit 90; And extension spring (helical spring) 12, both ends are arranged on these the first driving body unit 90 and the second driving body 11.In addition, the first driving body unit 90 forms the first driver part, and the second driving body 11 forms the second driver part, and extension spring 12 forms connecting member.
Support 4a for example forms the molding resin material of insulating properties, has: base portion 41a, is formed as the roughly oblong-shaped corresponding with the peristome 222a of base station 22; And protuberance 42a, outstanding upward from this base portion 41a.On protuberance 42a, along the long side direction of base portion 41a, 3 protrusion tab 421a～423a arrange predetermined distance and are formed as linearity.Support 4a is configured to, and base portion 41a is configured in peristome 222a and is integrated, and a part of the fixed contact 5a to insert molding is supported by protuberance 42a.In addition, support 4b is, in being configured in the peristome 222b of base station 22 and fixed contact 5b be embedded into moulding this point, there is the formation identical with support 4a, so give in the drawings symbol b as base portion 41b, and the description thereof will be omitted.In addition, although details is by aftermentioned, but these supports 4a and 4b support fixed contact 5a and the 5b of the rotating fulcrum that is formed with micromotion mechanism 7, and be subject to the stronger load from extension spring 12 (applying power), therefore compared with support 4c, preferably formed by the higher resin material of rigidity.Thus, can stably repeat micromotion.
Support 4c for example forms the molding resin material of insulating properties, has: base portion 41c, is formed as the roughly oblong-shaped corresponding with the peristome 222c of base station 22; And protuberance 42c, outstanding upward from this base portion 41c.On protuberance 42c, along the long side direction of base portion 41c, two protrusion tab 421c and 422c arrange predetermined distance and are formed as linearity.Support 4c is configured to, and base portion 41c is configured in peristome 222c and is integrated, and a part of the fixed contact 5c to insert molding is supported by protuberance 42c.This support 4c does not form the rotating fulcrum of micromotion mechanism 7, does not bear the load from extension spring 12, so compared with above-mentioned support 4a and 4b, can be made up of the lower resin material of rigidity yet yet.Thus, can cut down material cost.
These supports 4a, 4b, 4c are integrally formed on base station 22 by so-called post forming.In this post forming, in the time forming support 4a, 4b, 4c, at insert molding fixed contact 5a, 5b, 5c and after moulding formed support 4a, 4b, 4c, further base portion 41a, the 41b of insert molding support 4a, 4b, 4c on the position corresponding with peristome 222a, 222b, 222c, 41c, and moulding base station 22.In addition, the method that support 4a, 4b, 4c are set on base station 22 is not limited to this, can suitably change.For example, also can be by insert molding fixed contact 5a, 5b, support 4a, the 4b of 5c, 4c, be configured in peristome 222a, 222b, the 222c of base station 22, be fixed and make it integrated by bonding agent etc.In addition, also can by insert molding support 4a, the 4b of fixed contact 5a, 5b carried out after moulding forms, further base portion 41a, the 41b of insert molding support 4a, 4b on the position corresponding with peristome 222a, 222b, and base station 22 is to have the state forming of peristome 222c, by insert molding the support 4c of fixed contact 5c be configured in peristome 222c, be fixed and make it integrated by bonding agent etc.
Fixed contact 5a has two common contact 51a, 53a and the double-throw contact 52a of insert molding on support 4a.Common contact 51a, 53a and double-throw contact 52a separate predetermined distance along the long side direction of support 4a and erect setting, on the roughly centre position of common contact 51a and double-throw contact 52a, are provided with common contact 53a.In addition, although details is by aftermentioned, but common contact 51a forms the common fixed contact of periphery that becomes rotating fulcrum with the other end side contacts of the first driving body 9a, double-throw contact 52a forms periphery fixed contact, this periphery fixed contact and the armature contact 8a sliding contact that forms periphery armature contact.And, carry out sliding contact by double-throw contact 52a and armature contact 8a, between double-throw contact 52a and common contact 51a, form thus guiding path (periphery guiding path).
Common contact 51a has: contact site 511a, from protrusion tab 423a side extension upward, contacts with the fulcrum 92a of the first driving body 9a described later; With portion of terminal 512a, the opposition side bending from this contact site 511a to double-throw contact 52a, extends to the lower side from its end.
Double-throw contact 52a has: the first double-throw contact 521a, and outstanding from protrusion tab 421a; With the second double-throw contact 522a, be embedded near protrusion tab 422a, and be configured near the first double-throw contact 521a.These the first double-throw contact 521a and the second double-throw contact 522a split ground form.The first double-throw contact 521a has the portion of terminal 524a extending to the lower side with the sliding contacting part 523a of armature contact 8a sliding contact with from this sliding contacting part 523a.On the other hand, the second double-throw contact 522a has: with the sliding contacting part 525a of armature contact 8a sliding contact; With portion of terminal 526a, from the bottom of this sliding contacting part 525a to common contact 51a lateral bend, extend to the lower side from its end.In this case, the upper end of the sliding contacting part 525a of the bottom of the sliding contacting part 523a of the first double-throw contact 521a and the second double-throw contact 522a is closely configured.The 83a of contact portion of armature contact 8a described later is configured to, and follows the micromotion of micromotion mechanism 7 and moves between sliding contacting part 523a and sliding contacting part 525a, and circuit state is switched thus.
Common contact 53a has: contact site 531a, extend from protrusion tab 422a to common contact 51a side, and contact with the fulcrum 114a of the second driving body 11 described later; With portion of terminal 532a, the opposition side bending from this contact site 531a to double-throw contact 52a, and extend to the lower side from its end.Common contact 53a forms the central authorities common fixed contact corresponding with double-throw contact 52c.In addition, although details is by aftermentioned, but carry out sliding contact by armature contact 8c and double-throw contact 52c, thus via the second driving body 11 and extension spring 12, between double-throw contact 52c and common contact 53a, form guiding path (central guiding path).
In addition, fixed contact 5b is also same with fixed contact 5a, has two common contact 51b, 53b and the double-throw contact 52b of on support 4b insert molding.Common contact 51b, 53b and double-throw contact 52b, separate predetermined distance along the long side direction of support 4b and erect setting, on the roughly centre position of common contact 51b and double-throw contact 52b, is provided with common contact 53b.In addition, although details is by aftermentioned, but common contact 51b forms the common fixed contact of periphery that becomes rotating fulcrum with the other end side contacts of the first driving body 9b, double-throw contact 52b forms periphery fixed contact, this periphery fixed contact and the armature contact 8b sliding contact that forms periphery armature contact.And, carry out sliding contact by double-throw contact 52b and armature contact 8b, between double-throw contact 52b and common contact 51b, form thus guiding path (periphery guiding path).In addition, about the formation of common contact 51b and double-throw contact 52b, owing to being identical formation with fixed contact 5a, so the description thereof will be omitted.
53a is same with common contact, and common contact 53b has: contact site 531b, extend from protrusion tab 422b to common contact 51b side, and contact with the fulcrum 114b of the second driving body 11 described later; With portion of terminal 532b, the opposition side bending from this contact site 531b to double-throw contact 52b, and extend to the lower side from its end.Common contact 53b forms another central common fixed contact corresponding with double-throw contact 52c.And, carry out sliding contact by double-throw contact 52c and armature contact 8c, between double-throw contact 52c and common contact 53b, form guiding path (central guiding path) via the second driving body 11 and extension spring 12 thus.
Fixed contact 5c has the double-throw contact 52c of insert molding on support 4c.This double-throw contact 52c forms the central fixed contact with armature contact 8c sliding contact, carry out sliding contact by double-throw contact 52c and armature contact 8c, between double-throw contact 52c and common contact 53a, 53b, form guiding path (central guiding path) via the second driving body 11 and extension spring 12 thus.
Double-throw contact 52c has: the first double-throw contact 521c, and outstanding from protrusion tab 421c; With the second double-throw contact 522c, be embedded near protrusion tab 422c, and be configured near the first double-throw contact 521c.These the first double-throw contact 521c and the second double-throw contact 522c split ground form.The first double-throw contact 521c has: sliding contacting part 523c, with armature contact 8c sliding contact; With portion of terminal 524c, from this sliding contacting part, 523c extends to the lower side.On the other hand, the second double-throw contact 522c has: sliding contacting part 525c, with armature contact 8c sliding contact; With portion of terminal 526c, from the bottom of this sliding contacting part 525c to the opposition side bending of the first double-throw contact 521c, and extend to the lower side from its end.In this case, the upper end of the sliding contacting part 525c of the bottom of the sliding contacting part 523c of the first double-throw contact 521c and the second double-throw contact 522c is closely configured.The 83c of contact portion of armature contact 8c described later is configured to, and follows the micromotion of micromotion mechanism 7 and moves between sliding contacting part 523c and sliding contacting part 525c, and circuit state is switched thus.
Be configured in the present embodiment, the first double-throw contact 521a forms normally-closed contact, and on the other hand, the second double-throw contact 522a forms normally opened contact.In the case of the 83a of contact portion of armature contact 8a described later contacts with sliding contacting part 523a, make the first double-throw contact 521a and common contact 51a conducting as normally-closed contact, on the other hand, in the case of the 83a of contact portion of armature contact 8a contacts with sliding contacting part 525a, switch to and make as the second double-throw contact 522a of normally opened contact and the circuit of common contact 51a conducting.In addition, between common contact 51b and double-throw contact 52b (the first double-throw contact 521b, the second double-throw contact 522b), also possesses identical therewith circuit.And, between common contact 53a (53b) and double-throw contact 52c (the first double-throw contact 521c, the second double-throw contact 522c), also possess identical therewith circuit.And, carry out moment by the action of micromotion mechanism 7 described later and drive armature contact 8a, 8b, 8c, these circuit are synchronously switched.
Functional unit 6 for example forms the molding resin material of insulating properties, has: the press section 61 of essentially rectangular shape; With the columned axial region 62 that erects setting on upper surface in this press section 61.One end that the second driving body 11 is pressed corresponding to the pressing operation to functional unit 6 in press section 61.Below press section 61, be provided with the resettlement section (omitting diagram) of the one end of accommodating the second driving body 11.It is outstanding from the peristome 211 of upper case 21 that axial region 62 is configured to its upper end, and accept pressing operation.Near the upper end of axial region 62, in its periphery, be formed with slot part 621.In this slot part 621, be configured in the inner edge portion in the hole 31 of the upper surface formation of above-mentioned lid 3.In addition, in Fig. 2, for convenience of explanation, lid 3 is configured in to the upper side of functional unit 6, but is actually the outside that is configured in upper case 21.
At this, the formation of the major part of the switching device 1 to present embodiment describes.Fig. 3 is the stereogram of the base station 22 of having fixed support 4 and fixed contact 5 of the switching device 1 of present embodiment.Fig. 4 and Fig. 5 are the stereograms of the first driving body unit 90 of having of the switching device 1 of present embodiment.In addition, in Fig. 4, from the first driving body unit 90, omitted holder 10.Fig. 6 is the stereogram of the second driving body 11 of having of the switching device 1 of present embodiment.
As shown in Figure 3, support 4a, 4c, 4b are configured in respectively in peristome 222a, 222c, the 222b of base station 22.In this case, it is identical height that the upper surface of the base portion 41a of support 4a, 4c, 4b, 41c, 41b is configured to the upper surface of raised face 221, only becomes protuberance 42a, 42c, 42b to the outstanding state of the upper side of raised face 221.In addition, protuberance 42a, 42c, 42b are set up in parallel across predetermined distance along the minor face of base station 22.
On the support 4a being so configured on base station 22, be embedded with fixed contact 5a.Common contact 51a is configured to, and contact site 511a is outstanding from the upper end of protrusion tab 423a.Near the upper end of the protrusion tab 423a of contact site 511a, be formed with recess 513a in double-throw contact 52a side.This recess 513a is the part of accommodating the fulcrum 92a of the first driving body 9a described later.By accommodated the fulcrum 92a of the first driving body 9a by this recess 513a, contact site 511a supports the first driving body 9a for rotating thus.
The first double-throw contact 521a in double-throw contact 52a is configured to, sliding contacting part 523a from the upper end of protrusion tab 421a to side surface part give prominence to.The second double-throw contact 522a is configured to, and sliding contacting part 525a is outstanding from the side of protrusion tab 421a.Be provided with insulating trip 424a in the side of protrusion tab 421a, this insulating trip 424a is configured between sliding contacting part 523a and sliding contacting part 525a.This insulating trip 424a is to following for the pressing operation of functional unit 6 and the part that the conducting state of moving armature contact 8a is temporarily cut off up and down.This insulating trip 424a is configured to, and forms identical plane with sliding contacting part 523a and sliding contacting part 525a, the 83a of contact portion of armature contact 8a can and sliding contacting part 523a and sliding contacting part 525a between swimmingly slide.
Protrusion tab 422a is arranged between protrusion tab 421a and protrusion tab 423a.On protrusion tab 422a, common contact 53a is configured to make contact site 531a side-prominent to protrusion tab 42a.In the side of the protrusion tab 423a of contact site 531a side (common contact 51a side), be provided with recess 532a.By accommodating the fulcrum 114a of the second driving body 11 by this recess 532a, protrusion tab 422a supports the second driving body 11 for rotating thus.In addition, this recess 532a is arranged on the position of side on the lower than recess 513a, and this recess 513a is arranged on common contact 51a.
The fixed contact 5b that is embedded in support 4b is similarly configured with the fixed contact 5a that is embedded in support 4a.That is, it is outstanding from the upper end of protrusion tab 423b that common contact 51b is configured to contact site 511b, near the upper end of the protrusion tab 423b of contact site 511b, is formed with recess 513b in double-throw contact 52b side.This recess 513b is the part of accommodating the fulcrum 92b of the first driving body 9b described later.By accommodated the fulcrum 92b of the first driving body 9b by this recess 513b, contact site 511b supports the first driving body 9b for rotating thus.
The first double-throw contact 521b in double-throw contact 52b is configured to, sliding contacting part 523b from the upper end of protrusion tab 421b to side surface part give prominence to.The second double-throw contact 522b is configured to, and sliding contacting part 525b is outstanding from the side of protrusion tab 421b.Be provided with insulating trip 424b in the side of protrusion tab 421b, this insulating trip 424b is configured between sliding contacting part 523b and sliding contacting part 525b.This insulating trip 424b is to following for the pressing operation of functional unit 6 and the part that the conducting state of moving armature contact 8b is temporarily cut off up and down.This insulating trip 424b is set to form same plane with sliding contacting part 523b and sliding contacting part 525b, and the 83b of contact portion of armature contact 8b can slide swimmingly between sliding contacting part 523b and sliding contacting part 525b.
Protrusion tab 422b is arranged between protrusion tab 421b and protrusion tab 423b.On protrusion tab 422b, common contact 53b is configured to contact site 531b side-prominent to protrusion tab 423b.In the side of the protrusion tab 423b of contact site 531b side (common contact 51b side), be provided with recess 532b.By accommodating the fulcrum 114b of the second driving body 11 by this recess 532b, protrusion tab 422b supports the second driving body 11 for rotating thus.In addition, this recess 532b is arranged on than the upper set recess 513b of common contact 51b on the lower on the position of side.
In addition, on support 4c, be embedded with fixed contact 5c.The first double-throw contact 521c in double-throw contact 52c is configured to, sliding contacting part 523c from the upper end of protrusion tab 421c to side surface part give prominence to.The second double-throw contact 522c is configured to, and sliding contacting part 525c is outstanding from the side of protrusion tab 421c.Be provided with insulating trip 424c in the side of protrusion tab 421c, this insulating trip 424c is configured between sliding contacting part 523c and sliding contacting part 525c.This insulating trip 424c is to following for the pressing operation of functional unit 6 and the part that the conducting state of moving armature contact 8c is temporarily cut off up and down.This insulating trip 424c is set to form same plane with sliding contacting part 523c and sliding contacting part 525c, and the 83c of contact portion of armature contact 8c can slide swimmingly between sliding contacting part 523c and sliding contacting part 525c.
As shown in Figure 4, the first driving body unit 90 possesses: two the first driving body 9a, 9b, form by overlooking roughly OBL conductor plate; With the first driving body 9c, formed by the roughly OBL conductor plate of overlooking less than the first driving body 9a, 9b.Between the first driving body 9a, 9b, configure the first driving body 9c, the first driving body 9a, 9b, 9c are mutually to configure the state of a distolateral alignment of each conductor plate side by side.At another distolateral protrusion tab 91a, 91b of being provided with of the first driving body 9a, 9b.It is short that the end of protrusion tab 91a, 91b is set to its inside portion proportion by subtraction Outboard Sections, on the end face of this inner side part, is provided with fulcrum 92a, 92b.The upper set recess 513a of these fulcrum 92a, 92b and above-mentioned contact site 511a, 511b, 513b butt, the rotating fulcrum of formation the first driving body 9a, 9b.
In addition,, in the opposed side surface part of the first driving body 9a, 9b, on opposed position, be formed with notch part 93a, 93b., utilize these notch parts 93a, 93b when armature contact 8a, the 8b installing at the lower surface of the first driving body 9a, 9b the location.In addition, at the lower surface of conductor plate, these notch parts 93a, 93b and conductor plate one distolateral between, be provided with to the lower side outstanding lobe 94a, the 94b (Fig. 4 (b)) forming.In the time that armature contact 8a, 8b are installed to the lower surface of the first driving body 9a, 9b, utilize these lobes 94a, 94b.In addition, form these lobes 94a, 94b by the first driving body 9a, 9b being carried out to punch process etc., at conductor plate upper surface, be provided with recess 95a, 95b (Fig. 4 (a)) in corresponding part.
In another distolateral central authorities of the first driving body 9c, in thickness of slab direction, be formed through peristome 91c, one end of extension spring 12 is limited to this peristome 91c.This peristome 91c is formed as having the roughly ellipticity of major diameter and minor axis.The opposed internal perisporium face of another in the major diameter direction of peristome 91c distolateral (the first driving body 9c another distolateral), is formed as intersecting with predetermined angular.Therefore,, in the time following the work of micromotion mechanism 7, the extension spring 12 that is limited to peristome 91c to be biased, a part for extension spring 12 contacts respectively opposed internal perisporium face.Therefore, extension spring 12, at the inner peripheral surface of the multiple somes 91c of contact openings portion, so can improve the contact reliability of extension spring 12, can make extension spring 12 work as guiding path reliably.In addition,, at the lower surface of conductor plate, near peristome 91c, be provided with the outstanding lobe 92c (Fig. 4 (b)) forming to the lower side.In the time that armature contact 8c is installed to the lower surface of the first driving body 9c, utilize these lobes 92c.In addition, form these lobes 92c by the first driving body 9c being carried out to punch process etc., at conductor plate upper surface, be provided with recess 93c (Fig. 4 (a)) in corresponding part.
So, because one end of extension spring 12 is arranged on the peristome 9c that is formed at conductor plate, so be difficult to the state of affairs that holder 10 described later is out of shape due to the power that applies of extension spring 12 occurs, can guarantee the first driving body 9a, 9b, 9c upper set armature contact 8a, 8b, the positional precision of 8c.Especially, owing to being utilized as rib by forming the conductor plate of the first driving body 9c, so do not prepare special parts, just can strengthen holder 10.In addition, as the strengthening part of strengthening holder 10, also can utilize the first driving body 9c parts in addition.
By to thering is elasticity, thinner plate-shaped member is implemented punch process and bending machining, forms armature contact 8a, 8b, 8c.Armature contact 8a, 8b are formed as overlooking roughly oblong-shaped, are formed with one of the 83a of contact portion, 83b and are distolaterally formed as narrower width.On the long side direction of armature contact 8a, 8b, be provided with circular peristome 82a, 82b.Accommodate lobe 94a, the 94b of the first driving body 9a, 9b by peristome 82a, 82b by circular, armature contact 8a, 8b are positioned to the lower surface of the first driving body 9a, 9b thus.And for example by lobe 94a, 94b are riveted, armature contact 8a, 8b are installed to the lower surface of the first driving body 9a, 9b.So, owing to by riveted joint, armature contact 8a, 8b being installed on the first driving body 9a, 9b, therefore can form the first driving body 9a, 9b and armature contact 8a, 8b by different materials, be not restricted to the material of the first driving body 9a, 9b, can be according to the function of each parts, purposes and formed by suitable material.
Armature contact 8a, 8b have the sheet of a pair of side-looking U-shaped, and be the clip shape that is bonded in the upper end of its first driving body 9a, 9b side, with each front end of the first driving body 9a, 9b opposition side (free end side) on be provided with the 83a of contact portion, 83b., the leading section of the 83a of these contact portions, 83b extends to the upper side of armature contact 8a, 8b, and configures opposed to each other across predetermined distance.Between the 83a of these contact portions, 83b, configure above-mentioned double-throw contact 52a, 52b, the 83a of contact portion, 83b are configured to and can clip sliding contacting part 523a, 523b, 525a, the 525b of double-throw contact 52a, 52b and sliding contact.
On the other hand, armature contact 8c is formed as overlooking roughly oblong-shaped, be formed with one of the 83c of contact portion and be distolaterally formed as narrower width, and another is distolaterally formed as concavity to avoid the peristome 91c of the first driving body 9c.Armature contact 8c is also same with armature contact 8a, 8b, is provided with circular peristome 82c on the position corresponding with lobe 92c.The lobe 92c that accommodates the first driving body 9c by the peristome 82c by circular, armature contact 8c is positioned to the lower surface of the first driving body 9c thus.For example, and same with armature contact 8a, 8b, by lobe 92c is riveted, armature contact 8c is installed to the lower surface of the first driving body 9c thus.
In addition, armature contact 8c is also same with armature contact 8a, 8b, there is the sheet of a pair of side-looking U-shaped, and be the clip shape being bonded in the upper end of its first driving body 9c side, be provided with the 83c of contact portion with the front end of the first driving body 9c opposition side (free end side).The leading section of the 83c of this contact portion extends to the upper side of armature contact 8c, and configures opposed to each other across predetermined distance.Between the 83c of these contact portions, configure above-mentioned double-throw contact 52c, the 83c of contact portion is configured to and can clips sliding contacting part 523c, the 525c of double-throw contact 52c and sliding contact.
In these armature contacts 8a, 8b, 8c, can become the formation that its lower side part has been opened, therefore in the time assembling armature contact 8a, 8b, 8c to switching device 1, can prevent due to contacting and the state of affairs of the 83a of contact portion, 83b, 83c breakage between the 83a of contact portion of double-throw contact 52a, 52b, 52c and armature contact 8a, 8b, 8c, 83b, 83c.
In the first driving body unit 90, with respect to the first driving body 9a, 9b, the 9c of configuration as described above, a part of the first driving body 9a, 9b, 9c is exposed and configured holder 10.; as shown in Figure 5; so that the formation of the first driving body 9a, 9b, 9c near the state that exposes of a part part and the peristome 91c of one distolateral, the protrusion tab 91a, the 91b that have formed fulcrum 92a, 92b of the 83a of contact portion of armature contact 8a, 8b, 8c, 83b, 83c, configuration holder 10., the first driving body 9a, 9b, 9c and armature contact 8a, 8b, 8c, with the state that the 83a of contact portion, 83b, 83c, fulcrum 92a, 92b and peristome 91c are exposed, be kept body 10 and keep integratedly.For example, by the resin material of insulating properties, the first driving body 9a, 9b and armature contact 8a, 8b are carried out to insert molding, and form holder 10.In this case, as shown in Fig. 5 (b), in armature contact 8a, 8b, 8c, be embedded in holder 10 with respect to the mounting portion of the first driving body 9a, 9b, 9c, near having accommodated peristome 82a, 82b, the 82c of lobe 94a, 94b, 92c, therefore these armature contacts 8a, 8b, 8c are securely fixed in the lower surface of the first driving body 9a, 9b, 9c.Therefore, can prevent that armature contact 8a, 8b, 8c from coming off or the state of affairs of position skew.
Especially, in the first driving body unit 90, form the first driving body 9a, 9b, 9c and armature contact 8a, 8b, 8c by different materials, sliding contacting part 523a, the 523b of this armature contact 8a, 8b, 8c and double-throw contact 52a, 52b, 52c, 523c, 525a, 525b, 525c sliding contact.The first driving body 9a, 9b, 9c have the rigidity higher than the material of armature contact 8a, 8b, 8c.Thus, the first driving body unit 90 can be in guaranteeing the rigidity that extension spring 12 is kept, and can guarantee as the elasticity of carrying out the hope of armature contact 8a, 8b, the 8c of sliding contact with sliding contacting part 523a, 523b, 523c, 525a, 525b, 525c.
The second driving body 11 for example carries out machining to metal material and forms.As shown in Figure 6, the second driving body 11 is formed as overlooking roughly T word shape.One end side direction upper side bending of the second driving body 11, is made up of the portion that is pressed 111 of pressing that accepts functional unit 6 its upper end.Below this portion 111 that is pressed, part is provided with peristome 112.The other end of extension spring 12 is installed in this peristome 112, and one end of this extension spring 12 is arranged in the peristome 91c of the first driving body 9c.Be arranged on a part for the other end of the extension spring 12 in peristome 112, by being arranged on the notch part 111a engagement of the roughly V word shape in the portion of being pressed 111.This notch part 111a so that the mode that gap width narrows towards inner side be formed obliquely.Therefore,, in the time following work, the extension spring 12 of engagement in notch part 111a of micromotion mechanism 7 to be biased, a part for extension spring 12 contacts respectively with respect to opposed inclined plane.Therefore, a part for extension spring 12, on the inclined plane of multiple some contact notch part 111a, therefore can improve the contact reliability of extension spring 12, and extension spring 12 is worked reliably as guiding path.
In another distolateral both sides of the second driving body 11, be formed with to the direction bending of leaving the portion of being pressed 111, overlook roughly bend 113a, the 113b of L word shape.It is shorter than inner side part that the end of the free end side of bend 113a, 113b is set to its Outboard Sections, is provided with fulcrum 114a, 114b on the end face of this Outboard Sections.These fulcrum 114a, 114b respectively with the upper set recess 532a of above-mentioned contact site 531a, 531b, 532b butt, form the rotating fulcrum of the second driving body 11.In addition, distolateral at another of the second driving body 11, between bend 113a and 113b, be formed with protuberance 115a, the 115b outstanding to the direction of leaving the portion of being pressed 111, between these protuberances 115a, 115b, be formed with recess 115c.Therefore, the second driving body 11 is configured to, and can avoid protrusion tab 422c with two protuberance 115a, 115b, protrusion tab 422c is rotated by the mode of recess 115c.
In the switching device 1 of present embodiment, as shown in Figure 7, these the first driving body unit 90 and the second driving body 11 are integrated.Fig. 7 be present embodiment switching device 1 make the first driving body unit 90 and the second driving body 11 integrated the stereogram of state.As shown in Figure 7, one end of extension spring 12 is arranged on the peristome 91c of the first driving body 9c exposing from holder 10 of the first driving body unit 90.On the other hand, the other end of extension spring 12 is arranged on peristome 112 via the notch part 111a of the second driving body 11.And the second driving body 11 is configured to, opposed at lower side and the first driving body 9c of the first driving body unit 90.And, by the first driving body unit 90 and the second driving body 11 that are integrated state are assembled on base station 22, be assembled into thus micromotion mechanism 7.In this case, can make the first driving body unit 90 and the second driving body 11 integrated state under process, so can improve operating efficiency when it is assembled.
At this, use Fig. 8～Figure 10 to describe the formation of the base station 22 of so having assembled micromotion mechanism 7.Fig. 8 and Fig. 9 are stereogram and the vertical views of having assembled the base station 22 of micromotion mechanism 7 in the switching device 1 of present embodiment.Figure 10 is the end view of having assembled the base station 22 of micromotion mechanism 7 in the switching device 1 of present embodiment.In Figure 10 (a), represent the side of observing from the right side shown in Fig. 9, in Figure 10 (b), represent the side of observing from the left side shown in Fig. 9.
As shown in Fig. 8 and Fig. 9, under the state being assembled on base station 22, the first driving body unit 90 is retained as towards the left side shown in same figure and state upward, and on the other hand, the second driving body 11 is retained as towards the right side shown in same figure and state upward.Armature contact 8a, the 8b, the 8c that configure at the lower surface of the first driving body unit 90, extend to the upper left side side shown in Fig. 8 and Fig. 9, the 83a of its contact portion, 83b, 83c become and sliding contacting part 523a, the 523b of double-throw contact 52a, 52b, 52c, the state of 523c sliding contact.
In addition, as shown in FIG. 9 and 10, fixed contact 5a, 5b, 5c (common contact 51a, 51b and double-throw contact 52a, 52c, 52b), have predetermined distance and be set up in parallel on base station 22.The first driving body unit 90 is configured in the first driving body 9a, 9b, 9c respectively on the position corresponding with fixed contact 5a, 5b, 5c, and armature contact 8a, 8b, 8c are configured in respectively on the position that sandwiches double-throw contact 52a, 52b, 52c.In addition, the second driving body 11 is configured in the lower side of the first driving body unit 90 by its middle body, and via the extension spring 12 of institute's engagement on the peristome 91c being arranged on the first driving body 9c, is connected with the first driving body unit 90.In the switching device 1 of present embodiment, with respect to the base station 22 of so having assembled micromotion mechanism 7, with state functional unit 6 being configured in incorporating section, upper case 21 is installed.
Then, the action of following the pressing operation to functional unit 6 of the switching device 1 to present embodiment describes.Figure 11 and Figure 12 are the end views describing for the action of following pressing operation of the switching device 1 to present embodiment.In addition,, in Figure 11 and Figure 12, for convenience of explanation, upper case 21, lid 3 and functional unit 6 have been omitted.
Functional unit 6 is not being carried out under the state (initial condition) of pressing operation, switching device 1 becomes the state shown in Figure 11, armature contact 8a, 8b, 8c extend to the upper left side side shown in same figure, and the 83a of its contact portion, 83b, 83c become and sandwich sliding contacting part 523a, 523b, the 523c of double-throw contact 52a, 52b, 52c and the state of sliding contact.In this case, the 83a of the contact portion sliding contact of the first double-throw contact 521a (sliding contacting part 523a) and armature contact 8a, and and between common contact 51a, form guiding path (periphery guiding path), so become have as the first double-throw contact 521a of normally-closed contact and the circuit turn-on of common contact 51a state.Equally, the 83b of the contact portion sliding contact of the first double-throw contact 521b (sliding contacting part 523b) and armature contact 8b, and and between common contact 51b, form guiding path (periphery guiding path), so become have as the first double-throw contact 521b of normally-closed contact and the circuit turn-on of common contact 51b state.In addition, the 83c of the contact portion sliding contact of the first double-throw contact 521c (sliding contacting part 523c) and armature contact 8c, via the first driving body 9c, extension spring 12 and the second driving body 11, and and between common contact 53a and 53b, form guiding path (central guiding path), so become have as the first double-throw contact 521c of normally-closed contact and the circuit of common contact 53a, 53b also conducting state.
When accepting pressing operation by functional unit 6, the portion 111 that is pressed is while being pressed to the lower side, as shown in figure 12, the second driving body 11 overcomes the power that applies of extension spring 12, rotates taking fulcrum 114a, 114b as rotating fulcrum to arrow A direction.But before the second driving body 11 turns to the extreme position of regulation, the first driving body unit 90 becomes the upper constant state of initial position (position shown in Figure 11) that stops at.Therefore, the 83a of contact portion, 83b, the 83c of armature contact 8a, 8b, 8c maintain and the state of sliding contacting part 523a, 523b, 523c sliding contact.
Then, in the time that the second driving body 11 turns to the extreme position of regulation, act on the direction reversion of the power that applies of the extension spring 12 of the first driving body unit 90 and the second driving body 11, the first driving body unit 90 is stretched to the lower side, as shown in figure 12, the first driving body unit 90 rotates to arrow C direction taking fulcrum 92a, 92b as rotating fulcrum moment.In this case, the 83a of contact portion of armature contact 8a, 8b, 8c, 83b, 83c, become by insulating trip 424a, 424b, 424c and with the state of sliding contacting part 525a, 525b, 525c sliding contact.Thus, be switched to the state having had as the circuit turn-on of the second double-throw contact 522a, 522b, 522c and common contact 51a, the 51b of normally opened contact, 53a, 53b.; the 83a of the contact portion sliding contact of the second double-throw contact 522a (sliding contacting part 525a) and armature contact 8a; and and between common contact 51a, form guiding path (periphery guiding path), become conducting state so have as the second double-throw contact 522a of normally opened contact and the circuit of common contact 51a.Equally, the 83b of the contact portion sliding contact of the second double-throw contact 522b (sliding contacting part 525b) and armature contact 8b, and and between common contact 51b, form guiding path (periphery guiding path), become conducting state so have as the second double-throw contact 522b of normally opened contact and the circuit of common contact 51b.In addition, the 83c of the contact portion sliding contact of the second double-throw contact 522c (sliding contacting part 525c) and armature contact 8c, via the first driving body 9c, extension spring 12 and the second driving body 11, and between common contact 53a and 53b, form guiding path (central guiding path), also become conducting state so have as the second double-throw contact 522c of normally opened contact and the circuit of common contact 53a and 53b.In this case, armature contact 8a, 8b, 8c are owing to being arranged on the first driving body 9a of linking by holder 10,9b, 9c, therefore substantially same timing is slided on double-throw contact 52a, 52b, 52c, and with sliding contacting part 525a, 525b, 525c sliding contact.
On the other hand, in the time being disengaged for the pressing operation of functional unit 6, as shown in figure 11, corresponding to the power that applies of extension spring 12, the second driving body 11 rotates taking fulcrum 114a, 114b as rotating fulcrum to arrow B direction.But before the second driving body 11 turns to the extreme position of regulation, the first driving body unit 90 becomes the state constant on the position shown in Figure 12 that stops at.Therefore, the 83a of contact portion, 83b, the 83c of armature contact 8a, 8b, 8c maintain and the state of sliding contacting part 525a, 525b, 525c sliding contact.
Then, in the time that the second driving body 11 turns to the extreme position of regulation, act on the direction reversion of the power that applies of the extension spring 12 of the first driving body unit 90 and the second driving body 11, via extension spring 12, the first driving body unit 90 is by side stretching upward, the first driving body unit 90 rotates to arrow D direction taking fulcrum 92a, 92b as rotating fulcrum moment, returns to initial position (Figure 11).In this case, the 83a of contact portion, 83b, the 83c of armature contact 8a, 8b, 8c become by insulating trip 424a, 424b, 424c and with the state of sliding contacting part 523a, 523b, 523c sliding contact.Thus, be switched to the state having had as the circuit turn-on of the first double-throw contact 521a, 521b, 521c and common contact 51a, the 51b of normally-closed contact, 53a, 53b.In this case, the substantially same timing of armature contact 8a, 8b, 8c is slided on double-throw contact 52a, 52b, 52c, and with sliding contacting part 523a, 523b, 523c sliding contact.
As described above, according to the switching device 1 of present embodiment, double-throw contact 52a, 52b and armature contact 8a, 8b sliding contact, and and between common contact 51a, 51b, form respectively periphery guiding path, double-throw contact 52c and armature contact 8c sliding contact, via the extension spring 12 and the second driving body 11 that form connecting member, and between common contact 53a and 53b, form central guiding path.Therefore, rotation action parts, i.e. extension spring 12 and the second driving body 11 are worked as a part for guiding path, so do not increase the related number of components of rotation action, just can make multiple circuit synchronously switch.Especially, owing to possessing micromotion mechanism 7, so in the time that functional unit 6 is pressed against assigned position, can by the power that the applies moment of extension spring 12 drive armature contact 8c set on the first driving body unit 90 and armature contact 8a, 8b, so in the time that multiple circuit are synchronously switched, can reduce the deviation of the synchronization timing of circuit switching.
In addition, one end of extension spring 12 is installed on peristome 91c set the first driving body 9c exposing from holder 10, be difficult to produce the state of affairs that holder 10 is out of shape due to the applying power of extension spring 12, therefore guarantee the first driving body 9a, 9b, the 9c that are kept integratedly upper set armature contact 8a, 8b, the positional precision of 8c, and can switch multiple circuit in suitable timing.
And, owing to being embedded in holder 10 with the first driving body 9a, armature contact 8a, the 8b that 9b, 9c are relative, the mounting portion of 8c, armature contact 8a, 8b, 8c are securely fixed on the first driving body 9a, 9b, 9c, so can prevent the state of affairs that armature contact 8a, 8b, 8c come off or be offset, guarantee the first driving body 9a, 9b, the 9c that are linked integratedly upper set armature contact 8a, 8b, the positional precision of 8c, and can switch multiple circuit in suitable timing.
And, owing to extension spring 12 being arranged on the first driving body 9c and the second driving body 11, this first driving body 9c is arranged on the centre position of the first driving body 9a and the first driving body 9b, so can drive the first driving body 9a, 9b, 9c upper set armature contact 8a, 8b, 8c by the power that applies of same extension spring 12, so can further reduce the deviation of the synchronization timing of circuit switching.
In addition, the present invention is not limited to above-mentioned execution mode, can carry out numerous variations and implement.In the above-described embodiment, about illustrated size and shape etc. in accompanying drawing, be not limited to this, can in the scope of performance effect of the present invention, suitably change.In addition, only otherwise depart from the scope of object of the present invention, just can suitably change and implement.
For example, in the above-described embodiment, the situation that possesses 3 the first driving body 9a, 9b, 9c in the first driving body unit 90 is illustrated, but the number about the first driving body 9 is not limited to this, also can possess 3 the first above driving bodies 9 according to the quantity that becomes the circuit that switches object.In addition, the situation that 3 the first driving body 9a, 9b, 9c are formed is independently illustrated, but as long as each the first driving body 9a, 9b, 9c form independently turning circuit, also can forms integratedly.
In addition, in the above-described embodiment, the situation that armature contact 8a, 8b, 8c are arranged on the first driving body 9a, 9b, 9c is illustrated, but is not limited to this about the formation of armature contact 8a, 8b, 8c, can suitably change.For example, also armature contact 8a, 8b, 8c can be arranged on the first driving body 9a, 9b, 9c.
And, in the above-described embodiment, the switching device 1 with micromotion mechanism 7 is illustrated the first driving body unit 90 that this micromotion mechanism 7 has the second driving body 11 and by holder 10, the first driving body 9a, 9b, 9c kept integratedly.But the present invention is not limited to the formation with micromotion mechanism 7.For example, as long as the formation of carrying out rotation action via connecting member and armature contact 8a, 8b, 8c being driven, can both apply the present invention.
Claims (7)
1. a switching device, is characterized in that,
Possess:
Functional unit, accepts pressing operation;
Base station, the multiple periphery fixed contacts that there is central fixed contact, there is predetermined distance and be set up in parallel with respect to this central authorities' fixed contact, the central authorities common fixed contact corresponding with above-mentioned central fixed contact and the multiple peripheries common fixed contact corresponding with above-mentioned multiple periphery fixed contacts;
The first driver part, one distolateral have with the central armature contact of above-mentioned central fixed contact sliding contact and with multiple periphery armature contacts of above-mentioned multiple periphery fixed contact sliding contact, and make be provided with above-mentioned central armature contact a distolateral opposition side central authorities another distolateral and be provided with under another distolateral state exposing of multiple peripheries of a distolateral opposition side of above-mentioned multiple periphery armature contacts, above-mentioned central armature contact and above-mentioned multiple periphery armature contact are kept integratedly; And
The second driver part, is subject to the pressing force from aforesaid operations parts by one end side joint, and via connecting member, taking above-mentioned multiple peripheries of contacting with the common fixed contact of above-mentioned multiple peripheries, another is distolateral as fulcrum, and above-mentioned the first driver part is rotated,
Above-mentioned multiple periphery fixed contact and the sliding contact of above-mentioned multiple periphery armature contact, and and between the common fixed contact of above-mentioned multiple periphery, form respectively periphery guiding path, and above-mentioned central fixed contact and above-mentioned central armature contact sliding contact, via above-mentioned connecting member and above-mentioned the second driver part, and form central guiding path between the common fixed contact of above-mentioned central authorities.
2. switching device according to claim 1, is characterized in that,
Above-mentioned connecting member is made up of extension spring, and another is distolateral in distolateral above-mentioned central authorities that are limited to above-mentioned the first driver part of this extension spring, and another is distolateral is limited to the distolateral of above-mentioned the second driver part,
Above-mentioned the second driver part distolaterally rotates as fulcrum taking another contact with above-mentioned central authorities common fixed contacts,
The micromotion mechanism that above-mentioned the first driver part, above-mentioned extension spring and above-mentioned the second driver part are constructed as follows: in the situation that aforesaid operations parts are pressed against assigned position, by the power that applies of above-mentioned extension spring, above-mentioned the second driver part is distolateral as fulcrum rotation taking another, and taking above-mentioned periphery, another distolaterally rotates as fulcrum above-mentioned the first driver part, and drives above-mentioned central armature contact and above-mentioned multiple periphery armature contact.
3. switching device according to claim 2, is characterized in that,
The two ends of above-mentioned extension spring contact and are limited to another distolateral and above-mentioned the second driver part of central authorities one distolateral of above-mentioned the first driver part at multiple points.
4. switching device according to claim 2, is characterized in that,
Above-mentioned multiple periphery guiding path is made up of two periphery guiding paths, these two periphery guiding paths and above-mentioned central guiding path by electricity respectively independently guiding path form,
Centre position at above-mentioned two periphery guiding paths forms the above-mentioned central guiding path including above-mentioned extension spring.
5. according to the switching device described in any one in claim 1～4, it is characterized in that,
The common fixed contact of the common fixed contact of above-mentioned periphery and above-mentioned central authorities, is supported on above-mentioned base station by least different from above-mentioned central fixed contact being supported in to resin material on above-mentioned base station resin materials.
6. according to the switching device described in any one in claim 2～4, it is characterized in that,
The common fixed contact of above-mentioned central authorities is made up of the common fixed contact of multiple central authorities,
When the common fixed contact of another distolateral and above-mentioned multiple central authorities of above-mentioned the second driver part is normal respectively, contact,
The common fixed contact difference of another distolateral and above-mentioned multiple peripheries of multiple peripheries of above-mentioned the first driver part contacts when normal.
7. switching device according to claim 6, is characterized in that,
The common fixed contact of above-mentioned central authorities is configured between above-mentioned periphery fixed contact and the common fixed contact of above-mentioned periphery, and above-mentioned periphery fixed contact, the common fixed contact of the common fixed contact of above-mentioned periphery and above-mentioned central authorities configure point-blank side by side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010210119A JP2012064548A (en) | 2010-09-17 | 2010-09-17 | Switch device |
| JP210119/2010 | 2010-09-17 |
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| Publication Number | Publication Date |
|---|---|
| CN102420062A CN102420062A (en) | 2012-04-18 |
| CN102420062B true CN102420062B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110237453.2A Active CN102420062B (en) | 2010-09-17 | 2011-08-18 | Switch device |
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| JP (1) | JP2012064548A (en) |
| CN (1) | CN102420062B (en) |
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|---|---|---|---|---|
| JP5848219B2 (en) * | 2012-09-13 | 2016-01-27 | アルプス電気株式会社 | Press switch device |
| JP6282202B2 (en) * | 2014-09-10 | 2018-02-21 | アルプス電気株式会社 | Switching device |
| EP3813088B1 (en) * | 2018-05-29 | 2023-01-18 | Alps Alpine Co., Ltd. | Switch device |
| JP2020149806A (en) * | 2019-03-12 | 2020-09-17 | 台湾華傑股▲フン▼有限公司 | Conductive switching mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011419A (en) * | 1976-01-21 | 1977-03-08 | Cherry Electrical Products Corporation | Switch blade |
| US4673778A (en) * | 1985-02-05 | 1987-06-16 | The Cherry Corporation | Snap action switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2151839B1 (en) * | 2008-08-04 | 2011-05-11 | CoActive Technologies, Inc. | Electrical pushbutton snap switch |
-
2010
- 2010-09-17 JP JP2010210119A patent/JP2012064548A/en not_active Withdrawn
-
2011
- 2011-08-18 CN CN201110237453.2A patent/CN102420062B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011419A (en) * | 1976-01-21 | 1977-03-08 | Cherry Electrical Products Corporation | Switch blade |
| US4673778A (en) * | 1985-02-05 | 1987-06-16 | The Cherry Corporation | Snap action switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012064548A (en) | 2012-03-29 |
| CN102420062A (en) | 2012-04-18 |
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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. |