CN101339858A - Rotating electronic member - Google Patents
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- CN101339858A CN101339858A CNA2008101356338A CN200810135633A CN101339858A CN 101339858 A CN101339858 A CN 101339858A CN A2008101356338 A CNA2008101356338 A CN A2008101356338A CN 200810135633 A CN200810135633 A CN 200810135633A CN 101339858 A CN101339858 A CN 101339858A
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Abstract
The invention relates to a rotary type electrical member capable of maintaining rhythmicity of rotary operation. The rotary type electrical member possesses: a frame (2), for projecting terminal; a rotary body (7), capable of rotarily keeping in frame; movable contact device, possessing rotary position corresponding to the rotary body and switching on or off between terminals; rotary checking device (22), for checking rotation motion of rotary body; a rhythmicity device, generating rhythmicity following the rotation of rotary body (7). The rhythmicity device comprises: drive member (8a), applied to elastic radial force and moving radially to rotary body (7); a cam member (9), possessing cam part (9C) of multiple concave-convex part for forming drive member (8a) and capable of engaging or disengaging; plate part (9a) disposed on cam member (9) and covering cam part (9c); cam part (9c), configured for one side of surface of plate part (9a), the terminator, configured at another side of surface of plate part (9a).
Description
Technical field
The present invention relates to a kind of rotary electrical unit, especially for the rotary electrical unit of the various controls of electronic equipment etc.
Background technology
In the past, the rotary electrical unit that is used for the various controls of electronic equipment etc., use the operating body that can be supported rotatably as the center with rotating shaft, the rotary manipulation of this operating body considers to have the structure (patent documentation 1) of the operation sense (click rattle away thoughts and feelings) of joint degree.
In this rotary electrical unit in the past, outstanding blade of a sword portion, the top formation jog of this blade of a sword portion of forming on the peripheral part of the rotating shaft of this operating body.Contact is with the application of force power contact of regulation and constitute on this jog, thereby the rotary manipulation of operating body obtains degree of saving sense (click rattle away sense).
Patent documentation 1: the spy opens 2006-260840 communique (the 1st figure).
In the relevant rotary electrical unit in the past, though exist with the structure of outer cover overlapping operation body, form the hole of power input terminal being pulled out outside usefulness from outer cover inside on this outer cover, foreign matter can be invaded outer cover inside via this hole.Particularly be formed in the jog in the blade of a sword portion if adhere to foreign matter, then be difficult to keep the joint degree sense of the rotary manipulation of operating body.
Summary of the invention
The present invention researches and develops in view of the above problems, and its purpose is to provide a kind of rotary electrical unit that can keep the joint degree sense of rotary manipulation.
Rotary electrical unit of the present invention, it has: framework, it makes terminal outstanding; Rotary body, it can remain in the described framework rotatably; Contact mechanism portion, it has moving contact, and this moving contact position of rotation according to described rotary body between itself and described terminal carries out conducting and non-conduction switching; Rotation testing agency, it detects the spinning movement of described rotary body; Portion of Jie Du mechanism, it follows the rotation of described rotary body to generate the sense of joint degree, it is characterized in that: portion of described Jie Du mechanism has: driver part, it is retained as can be to the moving radially of described rotary body, and in described footpath upwards by elastic force-applying; Cam part, it has cam part, and this cam part forms that described driver part is followed the rotation of described rotary body and a plurality of jogs of engaging disengaging; Plate-like portion, it is located on the described cam part, covers described cam part, and described cam part is configured on a side the face side of described plate-like portion, and described terminal arrangement is on the opposing party's of described plate-like portion face side.
According to above-mentioned rotary electrical unit, even have under the situation that foreign matter invades from the hole of the framework that makes the outstanding usefulness of terminal, because this foreign matter covered by plate-like portion, so be difficult to reach portion of Jie Du mechanism.Thus, the reduction of the joint degree sense of the rotary manipulation that causes on the cam part can be prevented to be attached to, good operation sense can be kept because of foreign matter.In addition, forming the engaging disengaging in rotary body directly makes progress by the cam part of the jog of the driver part of elastic force-applying, its face that forms jog is provided with towards the rotation direction of rotary body, thereby the pivot of rotary body is under the situation of vertical direction configuration, the face of the formation jog of cam part is upright state, thereby foreign matter is difficult to stay in the jog.
In addition, preferred such structure in above-mentioned rotary electrical unit, described rotation testing agency has: conductive pattern, and it is arranged at the base portion of described rotary body, and the base portion of this rotary body is positioned at the opposition side of a side of the described terminal of configuration across described plate-like portion; Sliding part, itself and described conductive pattern sliding contact, described rotary body has the blade of a sword portion on the base portion of being located at this rotary body.In this case, can improve the reliability of the contact switching of conductive pattern and sliding part.
For example, preferred such structure in the above-mentioned rotary electrical unit, described rotation testing agency has metallic plate that forms described conductive pattern and the insulation board of burying this metallic plate underground, and described insulation board is installed on the described rotary body.In this case, only form the rotary electrical unit of asynchronism(-nization) that the metallic plate of conductive pattern and rotation testing agency that insulation board constitutes just can access the contact switching of conductive pattern by change.Thus, can the universal architecture complexity and the rotary body of model great number.
In addition, preferred such structure in above-mentioned rotary electrical unit, described cam part has the wall portion of the ring-type relative with the outer peripheral face of described rotary body and is located at described cam part on the inner peripheral surface of described wall portion, described rotary body has the incorporating section, and take in the elastomeric element of described driver part towards described wall portion elastic force-applying this incorporating section.In this case, use has the cam part of the wall portion of the ring-type relative with the outer peripheral face of rotary body, thereby the simple structure that can cover cam part with the peripheral part at rotary body obtains portion of Jie Du mechanism, in addition, take in elastomeric element by incorporating section, thereby can keep elastomeric element by rotary body at rotary body.Correspondingly, can make and simplify the structure.In addition, take in elastomeric element, thereby can easily carry out the processing of elastomeric element, thus, can make the rotary electrical unit assembling all the more easily by incorporating section at rotary body.
In addition, preferred such structure in above-mentioned rotary electrical unit, described contact mechanism portion has towards the side-prominent holding section of described rotary body, described rotary body has jetty portion along direction of rotation, this jetty portion forms according to rotation and engages the described holding section of disengaging, the slot part that the conducting state of described terminal of team and described moving contact is switched, described slot part is located on the positions different on the direction of rotation of described rotary body with described incorporating section, described incorporating section has peristome in the one side side of the described jetty of the formation of described rotary body portion, and has a part of blocking described peristome and the regulation portion of the position of the described elastomeric element of regulation.In this case, the slot part of the incorporating section of elastomeric element and jetty portion is located on the different positions on the direction of rotation (circumferentially) of rotary body, so both do not interfere, compare with the situation on the circumferential same position of being located at rotary body, the size of the axis direction of rotary body is reduced.Thus, as the miniaturization all the more of rotary electrical unit integral body.In addition, by the peristome of incorporating section is set in the one side side of rotary body, thereby when assembling etc., can confirm the state of the elastomeric element in the incorporating section easily.In addition, regulation portion is set on the incorporating section, thereby can prevents that the elastomeric element that is accommodated in the incorporating section from coming off from the incorporating section.
In addition, preferred such structure, above-mentioned rotary electrical unit has: a pair of described terminal; Corresponding with described pair of terminal a pair of described jetty portion, described a pair of jetty portion is arranged on apart from the different distance of the pivot of described rotary body last respectively with concentric circles, form described slot part in each jetty portion on positions different on the direction of rotation of described rotary body.In this case, be provided with under the situation of corresponding with pair of terminal a pair of jetty portion, because the incorporating section of elastomeric element is located on the positions different in the direction of rotation (circumferentially) of rotary body with the slot part of a pair of jetty portion,, can reduce the size of the axis direction etc. of rotary body so both do not interfere.
In addition, the preferred such structure of above-mentioned rotary electrical unit, described driver part is a spheroid, the footpath that described incorporating section is formed in described rotary body makes progress, outer peripheral face at described rotary body has peristome, and keep described spheroid to make progress in described footpath and move, the interval between the outer peripheral face of described rotary body and the recess of described cam part is littler than the diameter of described spheroid.In this case, by the recess of the spheroid of elastomeric element elastic force-applying with this application of force power contact cam part, thereby can keep rotary body and cam part, assembling can be carried out easily temporarily.
In addition, preferred such structure in the above-mentioned rotary electrical unit, described rotary body has the tubular axle that inner peripheral surface is provided with a plurality of teats, described framework has housing and the outstanding outer cover that described terminal is set that inside sets described sliding part, the support of the tubular axle that can support described rotary body rotatably is set respectively on described housing and the described outer cover, in described housing and described outer cover, forms the inside of the tubular axle that is communicated with described rotary body and the hole portion of described framework outside on the either party.In this case, via the hole portion that is located on housing and the outer cover, the inner part of inserting logical operating body of the tubular axle from the framework outside on the rotary body of being located at framework inside, thus can make rotary body from the outside rotation of framework.In this case, form a plurality of teats by inner peripheral surface at the tubular axle, thus can be reliably with the rotation of operating body to the rotary body transmission.
In addition, preferred such structure in above-mentioned rotary electrical unit, described housing and described outer cover engage by the hole portion that is located at the claw on the either party in described housing and the described outer cover and is located at the elastic arm on the opposing party and integrated.In this case, can make housing and outer cover integrated simply, thereby assembling operation can carry out easily.
The invention effect:
Can provide a kind of rotary electrical unit that can keep the joint degree sense of rotary manipulation according to the present invention.
Description of drawings
Fig. 1 is the exploded perspective view of the rotary electrical unit of one embodiment of the present invention.
Fig. 2 is the overall perspective view of the rotary electrical unit of above-mentioned execution mode.
Fig. 3 is the profile in vertical section of the rotary electrical unit of the above-mentioned execution mode of expression.
Fig. 4 is the rotary body of rotary electrical unit of the above-mentioned execution mode of expression and the stereogram of sliding part.
Fig. 5 is the drawing in side sectional elevation in the cross section of the rotary body of rotary electrical unit of the above-mentioned execution mode of expression and cam part.
Fig. 6 is the stereogram of the fastening state of the jetty portion of rotary body of rotary electrical unit of the above-mentioned execution mode of expression and conductor plate.
Fig. 7 is the top stereogram of rotary body of the rotary electrical unit of the above-mentioned execution mode of expression.
Description of reference numerals
1, housing (framework)
1a, incorporating section
1b hole portion (support holes)
1c maintaining body portion
2 outer covers (framework)
The 2a elastic arm
2b hole portion (axis hole)
The 2cAC input part
3 switching mechanism portions
4 thin slices
5 sliding parts
5a contact portion
5b flexible cord lead-out terminal
6 flexible cord substrates
7 rotary bodies
7a basal disc portion (base portion)
7b tubular axle
7c jetty portion
The 7d slot part
7e blade of a sword portion
The 7f incorporating section
7g, 7j, peristome
The 7h outer peripheral face
8a driver part (spheroid)
The 8b elastomeric element
9 cam parts
The 9a plate-like portion
The 9c cam part
9d wall portion
10 conductor plates
10b operation strip portion
The 10cAC lead-out terminal
The 10d holding section
The 10e moving contact
11 terminals
The 11a fixed contact
12 metallic plates
The 12b conductive pattern
Embodiment
Below, the execution mode that present invention will be described in detail with reference to the accompanying.
Fig. 1 is the exploded perspective view of the rotary electrical unit of one embodiment of the present invention.Fig. 2 is the overall perspective view of the rotary electrical unit of present embodiment.
Among Fig. 1, rotary electrical unit has housing 1 and the outer cover 2 that constitutes framework; Take in the switching mechanism portion of liking in these housings 3.
Housing 1 is made of insulating material such as synthetic resin, forms the rectangular-shaped box of the incorporating section 1a with top opening.The inner bottom part central authorities of the incorporating section 1a of this housing 1 are provided as the 1b of hole portion of support holes, it inserts the tubular axle 7b of logical discoid rotary body 7 described later, it can be kept rotatably, in addition, the 1c of maintaining body portion is set on an inside portion, and it inserts the base portion 10a of the conductor plate 10 that keeps formation contact mechanism described later portion 21.In addition, a plurality of claw 1d that setting engages with the hole portion of the elastic arm 2a of outer cover 2 on the outside board of housing 1.
Thin slice 4 is made of insulating material such as synthetic resin in the same manner with housing 1, and profile forms roughly T word shape, and the through hole 4a of the tubular axle 7b that inserts logical rotary body 7 is set in the central.Set a plurality of sliding parts 5 on these both sides.This sliding part 5 is made of the thin-sheet metal plate of rubber-like conductivity, is embedded in the thin slice 4 by inserting method one such as shaping.The 5a of contact portion that one distolateral formation of sliding part 5 sets to the upper face side bending of thin slice 4.In addition, the distolateral formation of another of sliding part 5 is from a distolateral derivation of thin slice 4 and the flexible cord lead-out terminal 5b that extends out downwards.
Thin slice 4 is accommodated in the incorporating section 1a of housing 1, and through hole 4a is relative with the 1b of hole portion, and flexible cord lead-out terminal 5b inserts among the terminal hole 1e of the bottom surface sections be located at housing 1 and outstanding to bottom surface side.In addition, on the side surface part of thin slice 4,, form a plurality of guide channel 4c, and extend the guide protrusion 1f that is provided with from the upper face side of this housing 1 towards inner bottom surface and engage and be positioned in the inside portion of housing 1.Thus, in assembling procedure, in the thin slice 4, its guiding groove 4c is on one side by the guide protrusion 1f of housing 1 guiding, from the opening of the upper face side of housing 1 towards inner bottom surface insert on one side, insert in the terminal hole 1e of housing 1 the lead-out terminal 5b location of sliding part 5.
Flexible cord substrate 6 forms roughly discoideus by insulating material such as synthetic resin, the through hole 6a of the tubular axle 7b that inserts rotary body 7 is set in the central authorities of this insulation board.In addition, be provided with around through hole 6a in the one side side of flexible cord substrate 6 and become the circular-arc a plurality of conductive pattern 12b that set.The metallic plate 12 that this conductive pattern 12b will form the conductivity of the through hole 12a that inserts tubular axle 7b exposes to a part of surface from the bottom surface side of flexible cord substrate 6, inlays method such as shaping by utilization and method that one is embedded in the flexible cord substrate 6 forms.In addition, as the formation method of conductive pattern 12b, being not limited to above-mentionedly, also can be to form conductivity China inks such as silver or charcoal on the surface of flexible cord substrate 6 by methods such as printings.The 5a of the contact portion sliding contact of the sliding part 5 that is provided with on this conductive pattern 12b and the thin slice 4 and being exported by flexible cord.That is, conductive pattern 12b and constitute the rotation testing agency 22 of rotary electrical units with the sliding part 5 of its sliding contact, conductive pattern 12b constitutes the flexible cord pattern of rotation testing agency 22.Flexible cord substrate 6 with the metallic plate 12 that forms conductive pattern 12b is arranged on the lower surface 7m place of the basal disc 7a of portion described later of rotary body 7.In addition, rotation testing agency 22 also can be the variable resistance that adopts the resistive element pattern as conductive pattern 12b.
In addition, on the peripheral part as the 7a of basal disc portion of base portion the 7e of blade of a sword portion is set, the 7e of this blade of a sword portion forms across the plate-like portion 9a of cam part 9 described later and the cam part 9c face-off of this cam part 9.
In addition, to the footpath of tubular axle 7b the incorporating section 7f of cave shape is set upwards from outer peripheral face 7h on the part of the 7a of basal disc portion of rotary body 7, the outer peripheral face 7h as the circumferential surface portion of the 7c of jetty portion in the outside among the 7c of jetty portion of two row goes up the peristome 7g that forms this incorporating section 7f.The incorporating section 7f that is made of this hole portion goes up and inserts the elastomeric element 8b that is made of for example disc spring and for example as the driver part 8a of spheroid.Driver part 8a forms by metal (steel ball).Driver part 8a can move in the 7f of incorporating section and remain on freely as the footpath of the formation direction of this incorporating section 7f upwards, and by elastomeric element 8b towards radially foreign side and by elastic force-applying.
Side sets described flexible cord substrate 6 and makes tubular axle 7 be inserted logical its through hole 6a below the rotary body 7 of relevant structure.In this case, the mode that becomes following side with the face that conductive pattern 12b is set of flexible cord substrate 6 is installed.Under this installment state, be formed on the hole portion engaging that engages usefulness at the top jut 6b of flexible cord substrate 6 and the following 7m place that is formed on rotary body 7, thereby flexible cord substrate 6 forms the structure of rotating with rotary body 7 one.
Cam part 9 is made of insulating material such as synthetic resin, have with the annulus 9b of the relative configuration of outer peripheral face 7h of rotary body 7 and be located at this annulus 9b the upper end plate-like portion 9a and constitute the 9d of wall portion of ring-type of the inner peripheral surface of annulus 9b.Cam part 9 is positioned in housing 1 on the position of regulation with the inboard facial location division 1g that is formed on housing 1 by the jut 4d of the thin slice 4 in the incorporating section 1a that is accommodated in housing 1.
On the inner peripheral surface of annulus 9b, form the cam part 9c that a plurality of jogs relative with the outer peripheral face 7h of rotary body 7 constitute.That is, the protuberance of cam part 9c upwards forms highlightedly in the footpath towards the rotating shaft (tubular axle 7b) of rotary body 7.And this cam part 9c is along forming in turn on whole week in the interior week of annulus 9b.
In addition, one is located at plate-like portion 9a on the cam part 9 and is provided with from the upper end of annulus 9b towards the inboard as the projected direction of concavo-convex cam part 9c.Thus, this plate-like portion 9a covers the gap between the cam part 9c of the outer peripheral face 7h be formed on rotary body 7 and cam part 9 from top.
In addition, the upper face side of being located at the plate-like portion 9a on the cam part 9 is provided with pair of terminal (AC input terminal) 11, the fixed contact 11a by this terminal 11 and have and this fixed contact 11a between the conductor plate 10 of moving contact 10e of switched conductive and non-conduction switching constitute portion of pair of contact mechanism 21.Conductor plate 10 is made of the metallic plate of rubber-like conductivity, has the base portion 10a and the 10b of operation strip portion that extends with another distolateral roughly L word shape that is connected of this base portion 10a that substrate connects AC (AC power) the lead-out terminal 10c of usefulness at one end is set.Base portion 10a is bearing on the housing 1.In addition, be provided with in the substantial middle portion of the 10b of operation strip portion to the plate face guess below outstanding holding section 10d, the moving contact 10e that constitutes at sheet metals such as front set silver etc. in addition.
This conductor plate 10 extends towards the foreign side of housing 1, and is held under the relative state of the circular-arc 7c of jetty portion of the upper face side of the 7a of basal disc portion of holding section 10d side-prominent below the 10b of operation strip portion and rotary body 7.
The initial condition of conductor plate 10 when the not operation of rotary body 7, the holding section 10d of the following side of the 10b of operation strip portion embeds the slot part 7d on the part of being located at the 7c of jetty portion, the moving contact 10e of front and the fixed contact 11a that is fixed on the terminal 11 leave, and the loop becomes the OFF state.And, by the rotation of accompanying rotation body 7, below the holding section 10d of side rise to the 7c of jetty portion above, the 10b of operation strip portion fascinates, travelling contact 10e with above it relatively the fixed contact 11a of configuration contact, thereby the loop becomes conducting state.
Outer cover 2 is made of insulating material such as synthetic resin, the rectangular-shaped box of side opening below forming.The central authorities of the upper plate portion 2f of this outer cover 2 are provided as the 2b of hole portion of axis hole, and transversely being surrounded by the prominent wall portion of essentially rectangular shape of the 2b of this hole portion forms AC input part 2c.In the inside that the prominent wall portion of AC input part 2c surrounds, on the upper plate portion 2f of outer cover 2, form patchhole, via this patchhole from outer cover inside to outside leading-out terminal 11.Terminal 11 is made of the metallic plate of conductivity, and the through hole of a distolateral AC input part 2c via outer cover 2 is drawn out to the outside, and the fixed contact 11a that constitutes such as sheet metal such as another distolateral set silver.
As shown in Figure 2, the opening of the incorporating section 1a of outer cover 2 the covering shells 1 and upper face side of housing 1 is installed constitutes the framework of rotary electrical units by this housing 1 and outer cover 2.At the claw 1d of the hole portion engaging housing 1 of the elastic arm 2a of outer cover 2, thereby outer cover 2 can be installed on housing 1 easily.
Like this, in rotary electrical unit, the rotation testing agency 22 that the side configuration is made of flexible cord substrate 6 and the sliding part 5 that contacts with the conductive pattern 12b of this flexible cord substrate 6 below rotary body 7, the side dyke 7c that conflicts mutually in the above, and the conductor plate 10 that engages with it is set, configuration AC input part, thus use a rotary body 7 and be set up in parallel the AC input part that contains terminal 11 thereon down and rotate testing agency 22.And, being oppositely arranged the cam part 9c of cam part 9 with the outer peripheral face 7h of this rotary body 7, the gap that covers between outer peripheral face 7h and the cam part 9c from top is provided with plate-like portion 9a.That is, at the upside configuration AC of the plate-like portion 9a of cam part 9 input part, at downside configuration cam part 9c.Thus, the upside of plate-like portion 9a is provided for being formed on the through hole that the terminal 11 on the outer cover 2 is drawn to the outside in the AC input part, in the outer peripheral face 7h of downside configuration rotary body 7 and the gap between the cam part 9c.
Fig. 3 is the sectional arrangement drawing of rotary electrical unit, and the 1b of hole portion by housing 1 and the tubular bearing 2d of portion of outer cover 2 be the tubular axle 7b of rotating body for supporting 7 rotatably.That is, logical via portion 1b and the tubular bearing 2d of portion constitute the support that can support tubular axle 7b rotatably.Form a plurality of projection 7i on the inner peripheral surface of tubular axle 7b, it is logical that the axial region (not shown) of operating body is inserted, thereby can make operating body and rotary body 7 integrated.Thus, operating body is rotated under the situation of operation, follows this rotation, rotary body 7 rotations.
In addition, as above-mentioned, stationary cam parts 9 on the housing 1.Under this stationary state, the face of the formation cam part 9c of cam part 9 and the configuration of the outer peripheral face 7h opposite of rotary body 7.In rotary body 7, upwards extend in the footpath of rotary body 7 the incorporating section 7f that takes in elastomeric element 8b is set, make as the driver part 8a of spheroid towards the foreign side radially of rotary body 7 and by elastic force-applying by being accommodated in elastomeric element 8b in the 7f of this incorporating section.In cam part 9, form engaging and break away from this by the configuration of the application of force direction approximate vertical of the 9d of wall portion of the ring-type of the jog of the driver part 8a of elastic force-applying and driver part 8a, thus with tubular axle 7b with rotary body 7 be that the spinning movement of pivot is echoed to move driver part 8a is slided on the jog of cam part 9c.Thus, the rotary manipulation that can give rotary body 7 obtains good operation sense with the sense of joint degree.
In addition, at configuration of the top in the outer peripheral face 7h of rotary body 7 and the gap between the cam part 9c and the integrally formed plate-like portion 9a of cam part 9c, by this plate-like portion 9a from the top coverage gap.Dispose the AC input part 2c of outer cover 2 on the top of plate-like portion 9a, be provided for the through hole 2e that terminal 11 is drawn to the outside from outer cover inside in the inside of this AC input part 2c.
Like this, across plate-like portion 9a side configuration thereon through hole 2e, in the outer peripheral face 7h of downside configuration rotary body 7 and the gap between the cam part 9c, thereby for example covered by plate-like portion 9a from the foreign matter of the outside embedding of outer cover 2, be difficult to be rotated in the outer peripheral face 7 and the gap between the cam part 9c of body 7 via through hole 2e.Thus, can prevent that foreign matter is attached on the cam part 9c.As a result, can prevent that foreign matter from making the joint degree sense of rotary manipulation reduce attached to cam part 9c goes up, can keep good operation sense.
In addition, the 9d of wall portion that is formed with jog of cam part 9 towards rotary body 7 as the tubular axle 7b of rotating shaft and be provided with, thereby under the situation of the rotating shaft (tubular axle 7b) of vertical direction configuration rotary body 7, the 9d of wall portion of the formation jog of cam part 9 becomes at the upright state of vertical direction.Thus, this jog is difficult to be detained foreign matter.Therefore, in this case, can prevent that also foreign matter from making the joint degree sense of rotary manipulation reduce attached to cam part 9c goes up, can keep good operation sense.
Fig. 4 is the stereogram of expression flexible cord substrate 6, conductive pattern 12b, thin slice 4 and sliding part 5.As shown in Figure 4, side forms the blade of a sword 7e of portion below rotary body 7, with the plate-like portion 9a face-off configuration of cam part 9 (Fig. 3).The fixing flexible cord substrate 6 of side below the 7a of blade of a sword portion is bearing in the conductive pattern 12b that this flexible cord substrate 6 is located in the 5a contact that touches of sliding part 5 on the thin slice 4.Tubular axle 7b with rotary body 7 is that the center makes this rotary body 7 rotations, then conductive pattern 12b and rotary body 7 one rotation, thus the 5a of contact portion of sliding part 5 slides on conductive pattern 12b.Thus, from the flexible cord lead-out terminal 5b output flexible cord signal corresponding with conductive pattern 12b, the spinning movement of rotary body 7 is detected.
By the 7e of blade of a sword portion of rotary body 7 is set, thereby the gap between the cam part 9c (Fig. 3) of the outer peripheral face 7h of rotary body 7 and cam part 9 is capped from the below.Thus, the outer peripheral face 7h of rotary body 7 and the gap between cam part 9c become foreign matter be difficult to from below enter, thereby can prevent that foreign matter from adhering to the jog that is formed on the cam part 9c.That is, foreign matter is covered from both direction up and down with respect to the 7e of blade of a sword portion that adheres to plate-like portion 9a (Fig. 3) by cam part 9 and rotary body 7 of cam part 9c, thereby is avoided foreign matter to invade all the more effectively.
In addition, below rotary body 7 side configuration conductive pattern 12b and with the sliding part 5 of its sliding contact, even thereby invade under the situation of foreign matter at the through hole 2e (Fig. 3) that the upper face side of rotary body 7 forms outer cover 2, also can prevent that foreign matter is attached on the conductive pattern 12b by the plate-like portion 9a of cam part 9 and the 7e of blade of a sword portion of rotary body 7.Thus, can improve the reliability of the contact switching of conductive pattern and sliding part.
In addition, the flexible cord substrate 6 of burying the metallic plate 12 that forms conductive pattern 12b underground forms and is installed on the rotary body 7 with rotary body 7 complicated variants, thereby, can access the rotary electrical unit of asynchronism(-nization) of the contact switching of conductive pattern only by changing by the metallic plate 12 that forms conductive pattern 12b with as the rotation testing agency 22 that the flexible cord substrate 6 of insulation board constitutes.Thus, can the universal architecture complexity, the rotary body 7 of mould great number.
In addition, in sliding part 5, the width of the 5c of foundation portion that is supported by thin slice 4 is littler than the width of the leading section 5d with the 5a of contact portion.Thus, by the sliding part 5 easy deflections that the rubber-like metallic plate forms, can avoid life of product and shorten.
Fig. 5 is the drawing in side sectional elevation of rotary body 7 and cam part 9, in cam part 9, as mentioned above, forms concavo-convex cam part 9c on the 9d of wall portion of the ring-type relative with the outer peripheral face 7h of rotary body 7.As mentioned above, on rotary body 7, be provided with and prolong the cave-shaped incorporating section 7f that it radially extends setting, take in the elastomeric element 8b that constitutes by disc spring with compressive state among the 7f of this incorporating section.This elastomeric element 8b can telescopically be accommodated in rotary body 7 in the incorporating section footpath makes progress.Between the cam part 9c of this elastomeric element 8b and cam part 9, insert driver part 8a as spheroid, driver part 8a by elastomeric element 8b to the foreign side radially of rotary body 7 by elastic force-applying.Thus, driver part 8a contacts with the power corresponding with the application of force power of elastomeric element 8b with respect to cam part 9c.
Under this state, rotary body 7 is center rotation with tubular axle 7b, and then driver part 8a keeps contact to cam part 9c by the application of force power of elastomeric element 8b, slides on the concavo-convex surface of cam part 9c simultaneously.Thus, the rotary manipulation of rotary body 7 is given degree of saving sense, obtains good operation sense.
In addition, the cam part 9 that has the wall portion of the ring-type relative by employing with the outer peripheral face 7h of rotary body 7, can obtain portion of Jie Du mechanism 23 with the structure that simple peripheral part 7h at rotary body 7 covers cam part 9, in addition, by elastomeric element 8b being accommodated among the incorporating section 7f of rotary body 7, thereby can keep elastomeric element 8b by rotary body 7, correspondingly, can make it simple in structure.In addition, by in the 7f of the incorporating section of rotary body 7, taking in elastomeric element 8b, thereby the processing of elastomeric element 8b can be carried out easily, thus, the rotary electrical unit assembling can be made all the more easily.
In addition, the gap d between the recess of the outer peripheral face 7h of rotary body 7 and cam part 9c liken to into the diameter of the driver part 8a of spheroid little.Thus, the driver part 8a by the elastomeric element 8b application of force is with the cam part 9c of this application of force power contact cam part 9, thereby can keep rotary body 7 and cam part 9 temporarily, and assembling is carried out easily.
Fig. 6 is the stereogram of expression rotary body 7, pair of terminal 11 and conductor plate 10.As shown in Figure 6, conductor plate 10 is configured in the top of rotary body 7, forms on the part of conductor plate 10 towards the side-prominent holding section 10d of rotary body 7.The rotation of accompanying rotation body 7, the slot part 7d that is formed on the top 7c of jetty portion of rotary body 7 goes up engaging and breaks away from holding section 10d, thereby carries out the switching of conducting state of the fixed contact 11a of the moving contact 10e of conductor plate 10 and terminal 11.That is, enter under the state of slot part 7d at the holding section of conductor plate 10 10d, the moving contact 10e of conductor plate 10 leaves from the fixed contact 11a of terminal 11, thereby forms nonconducting state.In addition with respect to this, the holding section 10d of conductor plate 10 throws off and is equipped under the state on top of the 7c of jetty portion from slot part 7d, forms the state of fixed contact 11a of the moving contact 10e contact terminal 11 of conductor plate 10, thereby forms conducting state.Thus, under the situation of rotary body 7 rotary manipulations, the position of rotation of corresponding rotation body 7 switches to supply condition or shielding status via the supply of the AC power supplies of terminal 11.
At this, as shown in Figure 7, in rotary body 7, the slot part 7d that is formed on the 7c of jetty portion is located on the positions different on the direction of rotation of rotary body 7 with the incorporating section 7f that takes in elastomeric element 8b.Thus, incorporating section 7f and slot part 7d do not interfere, do not need for preventing that both from interfering the overhang (height dimension) of the maximum jetty 7c of portion, so compare with the situation of the circumferential same position that is arranged on rotary body, can reduce the size of the axis of rotation direction of rotary body 7 yet.Thus, can make as the rotary electrical unit integral miniaturization all the more.
In addition, for a pair of slot part 7d being arranged on across and on the relative position as the tubular axle 7b of the rotating shaft of rotary body 7, the pair of conductors plate 10 that will engage respectively with slot part 7d is across the rotating shaft decentralized configuration of rotary body 7, so can realize the further miniaturization of rotary electrical unit.
In addition, form the peristome 7j of incorporating section 7f on the one side side of the 7c of the jetty portion that is formed with of rotary body 7.And, form the 7k of regulation portion of the position of a part of regulation elastomeric element 8b block this peristome 7j.By this peristome 7j, when assembling etc., can confirm the state of the elastomeric element 8b in the 7f of incorporating section easily.In addition, the part of engaging elastomeric element 8b on the 7k of regulation portion 7 comes off from the incorporating section thereby prevent to be accommodated in elastomeric element 8b among the 7f of incorporating section.In addition, the 7k of regulation portion from the one side of the 7a of basal disc portion of rotary body 7 (above) outstanding, but its overhang is littler than the 7c of jetty portion, does not contact and forms with the holding section 10d of conductor plate 10.
More than in Shuo Ming the rotary electrical unit, during with operating body (not shown) rotary manipulation that the tubular axle 7b of rotary body 7 engages, then constitute cam part 9 cam part 9c jog the surface with the regulation application of force power sliding contact driver part 8a, thereby the operation sense with the sense of joint degree conveys to the operator.Be arranged in driver part 8a on the recess of jog that this operation sense constitutes cam part 9c and be and cross protuberance and obtained when moving to adjacent recess, adhere to foreign matter in the recess, then its joint degree impression damage.In the rotary electrical unit of present embodiment, prevent foreign matter to cam part 9c intrusion by the plate-like portion 9a that is located on the cam part 9, thereby keep good operation sense.
Particularly, be communicated with on the top of plate-like portion 9a under the situation of inscape of through hole 2e etc., space outerpace and inner space of outer cover 2, foreign matter invaded via this through hole 2e etc.In the rotary electrical unit of present embodiment, above plate-like portion 9a in the structure that can make allotrylic inscape of configuration through hole 2e etc., by configuration cam part 9c below plate-like portion 9a, thereby can effectively avoid foreign matter to invade cam part 9c.
In addition, the invention is not restricted to above-mentioned execution mode, can do all changes and implement.In the above-described embodiment, illustrated size and shape etc. are not limited thereto in the accompanying drawing, can do suitable change in the scope that can bring into play effect of the present invention.In addition, only otherwise break away from the scope of purpose of the present invention, can implement suitable change.
For example, in the above-described embodiment, to adopting the situation of spheroid to set forth as driver part 8a, but the invention is not restricted to this, also can with the contact portion of cam part 9c in, have on the direction that contacts with cam part 9c outstanding, crooked shape on the direction of rotation of rotary body 7.
In addition, in the above-mentioned execution mode,, still the invention is not restricted to this, also can adopt the spring members of other various shapes or the elastomers such as for example rubber beyond the spring members adopting the situation of disc spring to set forth as elastomeric element 8b.
Claims (9)
1, a kind of rotary electrical unit, it has:
Framework, it makes terminal outstanding;
Rotary body, it can remain in the described framework rotatably;
Contact mechanism portion, it has moving contact, and this moving contact position of rotation according to described rotary body between itself and described terminal carries out conducting and non-conduction switching;
Rotation testing agency, it detects the spinning movement of described rotary body;
Portion of Jie Du mechanism, it follows the rotation of described rotary body to generate the sense of joint degree, it is characterized in that:
Portion of described Jie Du mechanism possesses: driver part, it is retained as can be to the moving radially of described rotary body, and in described footpath upwards by elastic force-applying; Cam part, it has cam part, and this cam part is formed with that described driver part is followed the rotation of described rotary body and a plurality of jogs of engaging disengaging; Plate-like portion, it is arranged at described cam part, and covers described cam part,
Described cam part is configured on a side the face side of described plate-like portion,
Described terminal arrangement is on the opposing party's of described plate-like portion face side.
2, rotary electrical unit as claimed in claim 1 is characterized in that:
Described rotation testing agency has: conductive pattern, and it is arranged at the base portion of described rotary body, and the base portion of this rotary body is positioned at the opposition side of a side that disposes described terminal across described plate-like portion; Sliding part, itself and described conductive pattern sliding contact,
Described rotary body has the blade of a sword portion of the base portion that is arranged at this rotary body.
3, rotary electrical unit as claimed in claim 2 is characterized in that:
The described testing agency of rotating has metallic plate that forms described conductive pattern and the insulation board of burying this metallic plate underground,
Described insulation board is installed on the described rotary body.
4, rotary electrical unit as claimed in claim 1 is characterized in that:
Described cam part has the wall portion of the ring-type relative with the outer peripheral face of described rotary body and is located at described cam part on the inner peripheral surface of described wall portion,
Described rotary body has the incorporating section, and take in the elastomeric element of described driver part towards described wall portion elastic force-applying this incorporating section.
5, rotary electrical unit as claimed in claim 4 is characterized in that:
Described contact mechanism portion has towards the side-prominent holding section of described rotary body,
Described rotary body has jetty portion along direction of rotation, and this jetty portion is formed with according to rotation and engages the slot part that breaks away from described holding section and switch the conducting state of described terminal and described moving contact,
Described slot part is arranged on the positions different on the direction of rotation of described rotary body with described incorporating section,
Described incorporating section has peristome in the one side side of the described jetty of being formed with of described rotary body portion, and has a part of blocking described peristome and the regulation portion of the position of the described elastomeric element of regulation.
6, rotary electrical unit as claimed in claim 5 is characterized in that:
Have: a pair of described terminal;
Corresponding with described pair of terminal a pair of described jetty portion,
Described a pair of jetty portion is arranged on apart from the different distance of the pivot of described rotary body last respectively with concentric circles, each jetty portion different position on the direction of rotation of described rotary body is formed with described slot part.
7, rotary electrical unit as claimed in claim 4 is characterized in that:
Described driver part is a spheroid,
The footpath that described incorporating section is formed in described rotary body is that outer peripheral face at described rotary body has peristome and keeps the described spheroid mobile hole shape that can make progress in described footpath upwards,
Interval between the outer peripheral face of described rotary body and the recess of described cam part is littler than the diameter of described spheroid.
8, rotary electrical unit as claimed in claim 2 is characterized in that:
Described rotary body has the tubular axle that inner peripheral surface is provided with a plurality of teats,
Described framework has housing and the outstanding outer cover of described terminal that inside sets described sliding part, the support of the tubular axle that can support described rotary body rotatably is set respectively on described housing and described outer cover, is formed with the inside of the tubular axle that is communicated with described rotary body and the hole portion of described framework outside at least one side in described housing and described outer cover.
9, rotary electrical unit as claimed in claim 8 is characterized in that:
Described housing and described outer cover engage by the hole portion that is located at the claw on the side in described housing and the described outer cover and be located at the elastic arm on the opposing party and integrated.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007178404A JP4987596B2 (en) | 2007-07-06 | 2007-07-06 | Rotating electrical parts |
| JP2007178404 | 2007-07-06 | ||
| JP2007-178404 | 2007-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101339858A true CN101339858A (en) | 2009-01-07 |
| CN101339858B CN101339858B (en) | 2011-05-25 |
Family
ID=40213893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101356338A Active CN101339858B (en) | 2007-07-06 | 2008-07-07 | Rotating electronic member |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4987596B2 (en) |
| CN (1) | CN101339858B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122589A (en) * | 2010-01-07 | 2011-07-13 | 阿尔卑斯电气株式会社 | Rotary electrical part |
| CN105074860A (en) * | 2013-06-07 | 2015-11-18 | 东京Cosmos电机株式会社 | Click mechanism for electric parts |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2860745B1 (en) * | 2012-05-01 | 2018-02-28 | Alps Electric Co., Ltd. | Revolving electrical component |
| CN102683078A (en) * | 2012-06-14 | 2012-09-19 | 宁波永佳电子科技有限公司 | Program switch of washing machine |
| CN104319145B (en) * | 2014-09-17 | 2017-02-15 | 东莞市林积为实业投资有限公司 | Absolute-type logic encoder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312177Y2 (en) * | 1986-06-05 | 1991-03-22 | ||
| JP2710907B2 (en) * | 1992-12-09 | 1998-02-10 | 日本開閉器工業株式会社 | Compound operation type switch |
| JP4571527B2 (en) * | 2005-03-15 | 2010-10-27 | アルプス電気株式会社 | Switch device |
| JP2007173106A (en) * | 2005-12-22 | 2007-07-05 | Alps Electric Co Ltd | Rotary electronic component, and rotating body for the same |
-
2007
- 2007-07-06 JP JP2007178404A patent/JP4987596B2/en active Active
-
2008
- 2008-07-07 CN CN2008101356338A patent/CN101339858B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122589A (en) * | 2010-01-07 | 2011-07-13 | 阿尔卑斯电气株式会社 | Rotary electrical part |
| CN105074860A (en) * | 2013-06-07 | 2015-11-18 | 东京Cosmos电机株式会社 | Click mechanism for electric parts |
| US9911555B2 (en) | 2013-06-07 | 2018-03-06 | Tokyo Cosmos Electric Co., Ltd. | Click mechanism for electric part |
| CN105074860B (en) * | 2013-06-07 | 2018-08-24 | 东京Cosmos电机株式会社 | The click sound mechanism of electric parts |
| US10211012B2 (en) | 2013-06-07 | 2019-02-19 | Tokyo Cosmos Electric Co., Ltd. | Click mechanism for electric part |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4987596B2 (en) | 2012-07-25 |
| JP2009016247A (en) | 2009-01-22 |
| CN101339858B (en) | 2011-05-25 |
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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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