CN101587765B - A rotating electric component - Google Patents
A rotating electric component Download PDFInfo
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- CN101587765B CN101587765B CN2009101410924A CN200910141092A CN101587765B CN 101587765 B CN101587765 B CN 101587765B CN 2009101410924 A CN2009101410924 A CN 2009101410924A CN 200910141092 A CN200910141092 A CN 200910141092A CN 101587765 B CN101587765 B CN 101587765B
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- rotary electrical
- leaf spring
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Abstract
The invention provides a rotating electric component that prevents disproportion of a torquemoment with favorable operability, wherein the rotating electric component characterized in that the invention comprises the following components: a bearing component (1) provided with a through hole (101) that made of metal; a rotational axis (2) that can insert into the through hole (101) rotatablely; a sliding part bearing part (4) that can hold a sliding part (3) and rotates with the rotational axis (2); an insulation component (6) provided with conductive pattern (501) that connected with the sliding part (3) in a sliding way; a plate spring (7) that exerts load to rotation of the rotational axis (2). In the rotating electric component, the plate spring (7) is mounted on the sliding part bearing part (4) and a spring connection part locally set on the plate spring (7) connects with interior surface of the sliding part bearing part (4).
Description
Technical field
The present invention relates to rotary electrical unit, particularly the rotary electrical unit that in the various controls of electronic equipment etc., uses.
Background technology
At present, known have by leaf spring being pressed into the rotating parts that rotates with the rotating shaft that is used for rotary manipulation, obtains the rotary electrical unit (for example, with reference to patent documentation 1) of the torque of rotating shaft thus.In this rotary electrical unit, will be pressed into by the leaf spring that metal material constitutes on the rotating parts that constitutes by synthetic resin, can obtain the torque of rotating shaft thus.
[patent documentation 1] TOHKEMY 2006-260826 communique
But, in aforesaid existing rotary electrical unit,, then may produce the situation of the localized heat distortion of the rotating parts that the power that applies of leaf spring acts on if in solder reflow soldering operation etc., be exposed to high temperature.In this case, exist because the position of rotation of rotating shaft is different in torque, to produce inequality, destroy this problem of operability.
Summary of the invention
The present invention produces in view of described problem, and purpose is to provide a kind of inequality and good rotary electrical unit of operability that prevents torque.
Rotary electrical unit of the present invention is characterised in that, possess metal parts of bearings with through hole, in described through hole, rotatably insert logical spindle unit, keep sliding part and with the sliding part that described spindle unit rotates bear portion, be provided with the insulating element of the conductive pattern that described sliding part slips, to the leaf spring of the rotation imposed load of described spindle unit, described leaf spring is installed on described sliding part and bears portion, and connects at the elastic connection part of the part of this leaf spring setting and the inner surface bullet of described parts of bearings.
According to described rotary electrical unit, the inner surface bullet that makes the elastic connection part that is provided with in the part of leaf spring and metal parts of bearings connects and obtains load (torque), therefore even in solder reflow soldering operation etc., be exposed under the situation of high temperature, also be difficult to produce thermal deformation with the parts of bearings of elastic connection part butt, thereby inequality and the good rotary electrical unit of operability that prevents torque can be provided.
In described rotary electrical unit, preferred described leaf spring has the elastic arm who extends and be formed with described elastic connection part to the inner surface side of described parts of bearings, and the part of described leaf spring is embedded in described sliding part and bears in the portion, be provided with the peristome that described elastic arm is exposed, the location bending that described elastic arm exposes at the described peristome that bears portion from described sliding part in the described sliding part portion of bearing.In this case, bear in the portion, therefore leaf spring can be kept reliably with respect to the sliding part portion of bearing owing to make the part of leaf spring be embedded in sliding part, thus the good operation sense of touch can give rotary manipulation the time.In addition, because the elastic arm is exposed from the peristome that sliding part bears portion, and at this location bending that exposes, therefore even for example leaf spring is being embedded in sliding part and is bearing under the situation of portion by inserting to be shaped to wait, also can its insert be shaped after with the leaf spring bending.Thus, do not need to carry out to bear at sliding part and insert the complicated processing that is shaped etc. in the portion, can easily form the leaf spring that extends to the inner surface side of parts of bearings implementing leaf spring after the bending machining.
In addition, in described rotary electrical unit, preferably cover described sliding part and bear the packing ring of peristome of portion and described sliding part and be installed on described sliding part together and bear portion.In this case, even producing under the situation of wearing and tearing powder by the slip of elastic connection part with respect to parts of bearings, packing ring also can block this wearing and tearing powder, can make the wearing and tearing powder be difficult to invade the contact area of sliding part and conductive pattern, so can prevent the situation of their contact condition deterioration.
Particularly, in described rotary electrical unit, preferably be provided with the projection of a plurality of installation usefulness in the described sliding part portion of bearing, and be provided with at described packing ring and sliding part and insert logical a plurality of holes that described projection is installed, between a plurality of described hole of described sliding part, be formed with described packing ring is pressed into the press section that described sliding part bears portion's side.In this case,, can packing ring be pressed into sliding part by this press section and bear in the portion, therefore can prevent floating of packing ring and be installed to desired position by sliding part being installed with respect to the sliding part portion of bearing.
And then in described rotary electrical unit, preferred described elastic arm is provided with a pair of in the opposed position of the rotation that clips described spindle unit.In this case,, therefore, the good load of balance (torque) can be obtained, good operation sense of touch can be given owing to a pair of elastic arm is set in the opposed position of the rotation that clips described spindle unit.
And then in described rotary electrical unit, preferably the side wall portion that extends to described insulating element side is arranged at described sliding part and bears portion, and the Outboard Sections of the front end of described side wall portion and the described conductive pattern of described insulating element slips.In this case, because the Outboard Sections of the front end of the side wall portion that is provided with in the sliding part portion of bearing and the conductive pattern of insulating element slips, therefore the wearing and tearing powder that is produced with respect to the slip of parts of bearings by the elastic connection part outside that is difficult to the portion of bearing from sliding part invades the contact area of sliding part with respect to conductive pattern, therefore can prevent the situation that their contact condition worsens.
According to the present invention, the inner surface bullet that makes the elastic connection part that is provided with in the part of leaf spring and metal parts of bearings connects and obtains load (torque), therefore even in solder reflow soldering operation etc., be exposed under the situation of high temperature, also be difficult to produce thermal deformation with the parts of bearings of elastic connection part butt, thereby inequality and the good rotary electrical unit of operability that prevents torque can be provided.
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 exploded perspective view of the rotary electrical unit of described present embodiment.
Fig. 3 is that the sliding part that the rotary electrical unit of described execution mode has bears the stereogram (a) of portion and is installed in the stereogram (b) that this sliding part bears the leaf spring in the portion.
Fig. 4 is that the sliding part that the rotary electrical unit of described execution mode has bears the front view of portion.
Fig. 5 is that the sliding part that the rotary electrical unit of described execution mode has bears the end view of portion.
Fig. 6 is the front view that sliding part that the rotary electrical unit at described execution mode has bears the state that packing ring has been installed in the portion.
Fig. 7 is the front view that sliding part that the rotary electrical unit at described execution mode has bears the state that packing ring and sliding part have been installed in the portion.
Fig. 8 is the stereogram of outward appearance of the rotary electrical unit of the described execution mode of expression.
Fig. 9 is the sectional view of A-stage of the rotary electrical unit of described execution mode.
Figure 10 is a sectional view of the rotary electrical unit of described execution mode being implemented the situation of pressing operation.
Symbol description: 1-parts of bearings, 101-through hole, 102-cylindrical portion, the 103-flange part, 104-recess, 105-snap-latch piece, the 106-limiter, 2-rotating shaft (spindle unit), 201-collar part, the 202-holding section, 202a-planar portions, 203-slot part, the 204-stationary plane, 3-sliding part, 301-toroidal portion, 302-slips sheet, 303-slide connecting part, 304-hole, the 305-press section, the 4-sliding part bears portion, the 401-maintaining part, the 402-peristome, 403-projection (install and use projection), 404-side wall portion, the 405-snap-latch piece, 406-recess, 5-substrate, the 501-conductive pattern, 6-insulating element, 601-recess, the 602-peristome, 603-notch, 604-connecting hole, the 7-leaf spring, 701a, the 701b-elastic arm, 702a, the 702b-connecting portion, 703a, the 703b-elastic connection part, 8-moving contact, 801-toroidal portion, 802-contact portion, 9-fixed contact, 901-central authorities fixed contact, 902-external stability contact, the outside terminal for connecting of 903-, 10-shell, the 1001-recess, 1002-location division, 1003-protrusion tab, the 1003a-connecting hole, the 11-installing component, 1101-front face, 1102-peristome, the 1103-side surface part, the 1104-installation sheet, 1105～1107-stator, 12-O ring, the 13-packing ring, the 1301-hole, 14-link, 1401-recess, the 1402-peristome, the 1403-slot, 1404, the 1405-protrusion tab, the 15-rubber components.
Embodiment
Below, with reference to accompanying drawing embodiments of the present invention are at length described.Fig. 1 and Fig. 2 are the exploded perspective views of the rotary electrical unit of one embodiment of the present invention.Fig. 1 and Fig. 2 are respectively from the exploded perspective view of the rotary electrical unit of different direction indications.Also have, below, for convenience, left side shown in Figure 1 is called " rear side of rotary electrical unit " or abbreviates " rear side " as, the right-hand side shown in this figure is called " front side of rotary electrical unit " or abbreviates " front side " as.
As Fig. 1 and shown in Figure 2, the rotary electrical unit of present embodiment comprises the metal parts of bearings 1 with through hole 101 substantially, in the through hole 101 of this parts of bearings 1, rotatably insert logical rotating shaft 2 as spindle unit, the sliding part that keeps sliding part 3 and rotate with rotating shaft 2 bears portion 4, the insulating element 6 that the substrate 5 that is provided with the conductive pattern 501 that sliding part 3 slips is kept, leaf spring 7 to the rotation imposed load of rotating shaft 2, constitute the moving contact 8 and the fixed contact 9 of push-button switch, fixed contact 9 is set and constitutes the shell 10 of the bottom surface of this rotary electrical unit, parts of bearings 1 and insulating element 6 are installed in installing component 11 on the shell 10.
Parts of bearings 1 for example is made of zine pressure casting, possesses cylindrical portion 102 with through hole 101 and the rectangular-shaped flange part 103 that is arranged on the rear side of this cylindrical portion 102.On the face of the rear side of flange part 103, around through hole 101, be formed with the have ring-type recess 104 of inner surface of (circular).In addition, four jiaos at flange part 103 are provided with the snap-latch piece 105 that engages with the connecting hole that is provided with on insulating element 6 and shell 10.In addition, be provided with the limiter 106 of the rotation more than the certain position that limits rotating shaft 2 at the inwall of cylindrical portion 102.
Rotating shaft 2 for example by the molding resin material of insulating properties, is formed with collar part 201 in the central, and is formed with the holding section 202 that is non-circular shape at its rear side end.On holding section 202, be formed with the opposed pair of planar 202a of portion, engage with the peristome 1402 of link 14 described later.Be formed with the slot parts 203 that to be used to prevent that O ring that rotating shaft 2 comes off from parts of bearings 1 12 is fixing on the front on the position of side than the holding section 202 of rotating shaft 2.In addition, be provided with the stationary plane 204 that is used for fixing not shown operation knob in the front side end of rotating shaft 2.
Sliding part 3 for example is made of the metallic plate that packfong etc. has conductivity, have toroidal portion 301, the partial cut of the inner peripheral portion of this toroidal portion 301 is risen and form a pair ofly slip sheet 302 and the partial cut of the outer peripheral edges portion of toroidal portion 301 risen and the slide connecting part 303 that forms.These slip sheet 302 and slide connecting part 303 and extend to the rear side of this rotary electrical unit slightly, slip with the conductive pattern 501 of substrate 5 described later.In addition, the assigned position in toroidal portion 301 is formed with the pair of holes 304 that slotting logical sliding part described later bears the installation usefulness projection 403 of portion 4.In addition, the circumferential part of configuration is provided with packing ring 13 described later is pressed into the press section 305 that sliding part bears portion 4 between the hole 304 of toroidal portion 301.
Sliding part bears portion 4 for example by molding resin materials such as polyamide, has toroidal substantially.Bear a pair of maintaining part 401 that is provided with the part that keeps leaf spring 7 in the portion 4 at sliding part.Between this a pair of maintaining part 401, be formed with the pair of openings portion 402 that has half-circle-arc shape substantially.In addition, be provided with rearward outstanding a pair of installation on a pair of maintaining part 401 with projection (below, abbreviate " projection " as) 403.These projections 403 are used for fixing sliding part 3, lead to crimp under the state in the hole 304 of sliding part 3 inserting, and promptly keep sliding part 3 by implementing so-called riveted joint.The outer peripheral edges portion of bearing portion 4 at sliding part is provided with the side wall portion 404 that extends to insulating element 6 sides.In addition, be provided with a pair of snap-latch piece 405 side-prominent and that engage with the slot 1403 of link 14 described later in it in the inner peripheral portion that sliding part bears portion 4.And then, be provided with the recess 406 of the protrusion tab 1405 of accommodating link 14 described later in the inner peripheral portion that sliding part bears portion 4.
Bear between portion 4 and the sliding part 3 at this sliding part and to be furnished with packing ring 13.Packing ring 13 is made of the metal plate of for example phosphor bronze etc., has toroidal substantially.On the assigned position of packing ring 13, be formed with and insert the pair of holes 1301 that logical described sliding part bears the projection 403 of portion 4.Packing ring 13 is identical with sliding part 3, and it is logical that projection 403 is inserted in these holes 1301, preferably by the not shown punching of heating, makes projection 403 crimps (thermal deformation) and packing ring 13 is installed on sliding part bears portion 4.That is, projection 403 makes its front end distortion inserting to lead under the state in the hole 304 of the hole 1301 of packing ring 13 and sliding part 3.Packing ring 13 disposes covering on the position of peristome 402 that sliding part bears portion 4, and as described later, realization can be difficult to invade the effect of the sliding area of sliding part 3 by the wearing and tearing powder that parts of bearings 1 and leaf spring 7 slip generation.
Insulating element 6 for example by the molding resin material of insulating properties, has rectangular-shaped substantially.Be formed with recess 601 with toroidal in the front of insulating element 6.On the other hand, on insulating element 6, insert and be formed with the substrate 5 that slips the conductive pattern 501 that sheet 302 and slide connecting part 303 slip that is provided with sliding part 3 in front.Substrate 5 is configured on the position corresponding with the inner bottom surface of recess 601, and conductive pattern 501 forwards side exposes.Conductive pattern 501 is made of the 1st conductive pattern 501a that slips the good conductivity that sheet 302 slips and formed the 2nd conductive pattern 501b of resistive element pattern that slide connecting part 303 slips.
Be formed with the peristome 602 of toroidal in the central authorities of recess 601, expose its part that makes rubber components 15 described later side forwardly.Bight at the upper side of insulating element 6 is formed with notch 603.On the other hand, be provided with the connecting hole 604 that engages with the snap-latch piece 105 of parts of bearings 1 in front in the bight of the lower side of insulating element 6.Also have, a plurality of outside terminal for connecting 502 that is provided with on conductive pattern 501 is drawn rearward from the lower side of insulating element 6, can be connected with the splicing ear of the printed base plate (not shown) that this rotary electrical unit is installed.
Be furnished with at the front side of this insulating element 6 and bear portion 4 with rotating shaft 2 and sliding part and be connected, and the rotation of rotating shaft 2 is delivered to the link 14 that sliding part bears portion 4.Link 14 has the corresponding toroidal of circular open portion that bears portion 4 with sliding part for example by the molding resin material of insulating properties.Be provided with the recess 1401 of toroidal in the front face side of link 14, bottom surface side is formed with the peristome 1402 with non-circular shape corresponding with the holding section 202 of rotating shaft 2 within it.This peristome 1402 forms the size bigger slightly than holding section 202, according to the pressing operation to rotating shaft 2 holding section 202 can be moved back and forth.
Periphery at link 14 is provided with a pair of slot 1403 that sliding part bears snap-latch piece 405 engagings of portion 4.A pair of snap-latch piece 405, the size between it are set at the size littler than the size between the periphery of a pair of slot 1403.Therefore, link 14 is pressed between a pair of snap-latch piece 405.In addition, on link 14, be provided with forwards side-prominent protrusion tab 1404.Limiter 106 butts that this protrusion tab 1404 and inwall in the cylindrical portion 102 of parts of bearings 1 are provided with, the rotation of restriction link 14 (rotating shaft 2).And then, be provided with to the outstanding a pair of protrusion tab 1405 of side side (Fig. 1 and upper and lower side shown in Figure 2) in the back of link 14.This protrusion tab 1405 is housed in sliding part and bears in the corresponding concave part 406 of portion 4, takes on to make sliding part bear the effect of portion 4 and the rotation of link 14 one.
Moving contact 8 is made of the metal material with conductivity, has toroidal portion 801, the contact portion 802 that disposes in the inboard of this toroidal portion 801 and a pair of spacer 803 of giving prominence to and be contained in the location division 1002 of shell 10 described later from the outer peripheral edges portion of toroidal portion 801.Fixed contact 9 is made of the metal material with conductivity, the external stability contact 902 that has central fixed contact 901 and dispose in the outside of this central authorities' fixed contact 901, and configuration in the recess 1001 of shell 10 described later.These central fixed contacts 901 and external stability contact 902 are embedded in the shell 10 in the mode of exposing previously from shell 10.Also have, the outside terminal for connecting 903 of fixed contact 9 is derived in the end of the upper side of shell 10.
Front side in these moving contacts 8 and fixed contact 9 is furnished with rubber components 15, this rubber components 15 is according to the pressing operation of rotating shaft 2 is pushed moving contact 8, on the other hand, the releasing according to this pressing operation makes rotating shaft 2 return to A-stage (state that is not pressed).Rubber components 15 has and the abutting part 1501 of the leading section butt of the holding section 202 of rotating shaft 2 and the counter-rotating portion 1502 of reversing according to the pressing operation to rotating shaft 2.
Installing component 11 is by for example implementing stamping-out processing and implement bending machining to form to metal board-like material.Be formed with cylindrical portion 102 peristome 1102 that exposes of side forwards that makes parts of bearings 1 at the front face 1101 of installing component 11.The side surface part 1103 of installing component 11 is extended rearward and is provided with from the side end of front face 1101.On each side surface part 1103, be provided with a pair of installation sheet 1104 at its both ends in the side bending of the back of shell 10.In addition, the central authorities at installation sheet 1104 are provided with the stator 1105 that uses in the soldering of the substrate that this rotary electrical unit is installed is fixing.And then the upper end of portion 1101 and bottom are provided with a pair of stator 1106,1107 that extends rearward respectively in front.These stators 1106,1107 are also using in the soldering of the substrate that this rotary electrical unit is installed is fixing.
Here, the sliding part that the rotary electrical unit in present embodiment the is had structure of bearing in the portion 4 leaf spring of installing 7 describes.Fig. 3 is that the sliding part that the rotary electrical unit of present embodiment has bears the stereogram (this figure (a)) of portion 4 and is installed in the stereogram (this figure (b)) that sliding part bears the leaf spring 7 in the portion 4.Fig. 4 and Fig. 5 are respectively that the sliding part that the rotary electrical unit of present embodiment has bears the front view and the end view of portion 4.Also have, Fig. 3 (b) be illustrated in sliding part bear install in the portion 4 after, implemented the leaf spring 7 of the state of bending machining.In fact be installed on before sliding part bears in the portion 4, leaf spring 7 is in unbending state.
Shown in Fig. 3 (b), leaf spring 7 has toroidal substantially, by constituting clipping a pair of connecting portion 702a, the 702b that sliding part bears a pair of elastic arm 701a, the 701b that are provided with on the opposed position of rotation of portion 4 (rotating shaft 2) and be connected these elastic arm 701a, 701b. Elastic arm 701a, 701b have half-circle-arc shape, and connecting portion 702a, 702b connect the end of these elastic arm 701a, 701b, and leaf spring 7 forms toroidal substantially thus.
Connecting portion 702a, 702b have writing board shape, shown in Fig. 3 (a), are embedded in the maintaining part 401 that sliding part bears portion 4. Elastic arm 701a, 701b in peristome 402, expose from the upper end and the bottom shown in Fig. 3 (a) of maintaining part 401.In addition, elastic arm 701a, 701b extend to parts of bearings 1 side from the part that peristome 402 exposes, and implement bending machining for making the part that contacts with parts of bearings 1 carry out the face contact.Thus, the upper and lower end parts shown in Fig. 3 (b) at elastic arm 701a, 701b is formed with elastic connection part 703a, 703b.These elastic connection parts 703a, 703b contact with the inner surface face of the recess 104 of parts of bearings 1, the torque when producing the rotary manipulation to rotating shaft 2 thus.
Sliding part for such installation leaf spring 7 bears portion 4, as mentioned above, from the rear side (side in face of the paper shown in Figure 4) of this rotary electrical unit packing ring 13 and sliding part 3 is installed.Fig. 6 and Fig. 7 are the front views that sliding part that the rotary electrical unit in present embodiment has bears the front view of the state that packing ring 13 has been installed in the portion 4 and the state of packing ring 13 and sliding part 3 has been installed.
As shown in Figure 6, packing ring 13 is set to except that sliding part bears the peristome of circular shape of interior all sides of portion 4, covers the roughly whole zone of inside part that sliding part bears the side wall portion 404 of portion 4.Packing ring 13 will bear the corresponding roughly whole zone of the peristome 402 of portion 4 with sliding part and cover like this.Therefore, even under the situation that has produced the wearing and tearing powder according to rotary manipulation by slipping of leaf spring 7 and parts of bearings 1 to rotating shaft 2, packing ring 13 also can block this wearing and tearing powder, can make the wearing and tearing powder be difficult to invade the contact area of sliding part 3 and conductive pattern 501, can prevent the situation that their contact condition worsens.
In addition, sliding part 3 is installed on the position of the rear side of the packing ring 13 that is provided with like this.In this case, the press section 305 that is provided with in the toroidal portion 301 of sliding part 3 is pressed into sliding part with packing ring 13 and bears in the portion 4.By bearing portion 4 with respect to sliding part like this sliding parts 3 are installed, can packing ring 13 be pressed into sliding part by this press section 305 and bear in the portion 4, therefore can prevent floating of packing ring 13 and be installed to desired position.Also have, packing ring 13 and sliding part 3 carry out simultaneously to the installation that sliding part bears portion 4.That is, the projection 403 that makes sliding part bear portion 4 is inserted the hole 1301 of logical packing rings 13 and the holes 304 of sliding part 3, makes the front end thermal deformation of projection 403 and push under this state, thus packing ring 13 and sliding part 3 is installed to sliding part and bears portion 4.
Fig. 8 is the stereogram of outward appearance of the rotary electrical unit of expression present embodiment.If this rotary electrical unit of assembling, then as shown in Figure 8, parts of bearings 1 with the overlapping state of insulating element 6 and shell 10 under install by installing component 11.In this case, the cylindrical portion 102 of parts of bearings 1 is in from the peristome 1102 of installing component 11 state that exposes of side upward, and the part of rotating shaft 2 is in the state that exposes from the through hole 101 of this cylindrical portion 102.
Fig. 9 is the sectional view of the rotary electrical unit of present embodiment.Fig. 9 represents A-stage, promptly rotating shaft 2 is not rotated the operation and the state of pressing operation.Also have, the upper side of Fig. 9 is equivalent to the front side of rotary electrical unit shown in Figure 1, and the lower side of Fig. 9 is equivalent to the rear side of rotary electrical unit shown in Figure 1.
As shown in Figure 9, lean on the inside of the local configuration of the lower side shown in this figure than collar part 201 in the rotating shaft 2 in the cylindrical portion 102 of parts of bearings 1.The peristomes 1402 that lead to relay part 14 are inserted in holding section 202, its front end in state at abutting part 1501 butts of the rubber components 15 of recess 1001 configurations of shell 10.In the early stage in the state, rotating shaft 2 is in the state that goes out to outside side pressure under the effect of the elastic-restoring force of rubber components 15.In this case, be fixed on the internal face butt of O ring 12 and parts of bearings 1 of the slot part 203 of rotating shaft 2, prevent that rotating shaft 2 from coming off from through hole 101.
Parts of bearings 1 has been accommodated sliding part at its recess 104 and has been born under the state of part of upper side of portion 4 and insulating element 6 and shell 10 overlapping installations.In this case, the snap-latch piece 105 of parts of bearings 1 engages with the connecting hole 604 of insulating element 6, and on the other hand, other snap-latch pieces 105 of parts of bearings 1 engage (Fig. 9 is not shown: with reference to Fig. 1 and Fig. 2) with the connecting hole 1003a of shell 10.Cover installing component 11 from the upper side of this parts of bearings 1,, thus parts of bearings 1 is fixed on insulating element 6 and the shell 10 the side bending below shell 10 of its installation sheet 1104.
Sliding part bears portion 4 and is configured on the position between parts of bearings 1 and the insulating element 6.Sliding part bears the top state of contact of the Outboard Sections (Outboard Sections of conductive pattern 501) of the recess 601 that portion 4 is in the lower end of setting side wall portion 404 in its lower section and insulating element 6.The lower end of side wall portion 404 is contacted with the Outboard Sections of the recess 601 of insulating element 6, even therefore under the situation that has produced the wearing and tearing powder according to rotary manipulation by slipping of leaf spring 7 and parts of bearings 1 to rotating shaft 2, the outside that also is difficult to bear from sliding part portion 4 invades the contact area of sliding part 3 with respect to conductive pattern 501, therefore can prevent the situation that their contact condition worsens.
Under the state of like this configuration, the sliding part of below sliding part bears portion 4, installing 3 be in a pair of slip sheet 302 and slide connecting part 303 and with conductive pattern 501 state of contact of the substrate 5 of their arranged opposite.On the other hand, sliding part bear in the portion 4 inner surface that the leaf spring of installing 7 is in the recess 104 of elastic connection part 703a, the 703b of its elastic arm 701a, 701b and parts of bearings 1 (below) state that connects of bullet.
In rotary electrical unit with such structure, rotating shaft 2 is being rotated under the situation of operation, as mentioned above, is being formed with planar portions 202a in the holding section 202 of rotating shaft 2, peristome 1402 has and its corresponding shape, so link 14 is also with rotating shaft 2 rotations.In addition, the snap-latch piece 405 that sliding part bears portion 4 engages with the slot 1403 of link 14, and therefore sliding part bears portion 4 also with link 14 rotations if link 14 rotates then.Owing to bearing at sliding part make in the portion 4 to slip sliding part 3 is installed under sheet 302 grades and conductive pattern 501 state of contact, therefore, is then slipped sheet 302 grades and on conductive pattern 501, slide if sliding part bears portion's 4 rotations.At this moment, corresponding with the position of slide connecting part 303 grades on the conductive pattern 501 signal is via outside terminal for connecting 502 outputs.In the electronic equipment that carries this rotary electrical unit etc., detect rotary manipulation amount to rotating shaft 2 according to this output signal.
On the other hand, rotating shaft 2 is being carried out under the situation of pressing operation, as shown in figure 10, rotating shaft 2 moves to the top position contacting shown in this figure of collar part 201 and parts of bearings 1.Follow in this, move the peristome 1402 of link 14 holding section 202 of rotating shaft 2 to as shown in figure 10 lower side, and its leading section is pressed into the abutting part 1501 of rubber components 15 to the lower side.Thus, 1502 counter-rotatings of the counter-rotating portion of rubber components 15, below the contact portion 802 of moving contact 8 being pressed down of abutting part 1501, and it is contacted with central fixed contact 901.By contacting of this contact portion 802 and central fixed contact 901, the connection signal of push-button switch is exported via outside terminal for connecting 903.In the electronic equipment that carries this rotary electrical unit etc., detect having or not to the pressing operation of rotating shaft 2 according to this output signal.
As above explanation, in the rotary electrical unit of present embodiment, to be installed in sliding part to the leaf spring 7 of the rotation imposed load of rotating shaft 2 and bear in the portion 4, and the inner surface bullet of the elastic connection part 703a, the 703b that are provided with in the part of this leaf spring 7 and metal parts of bearings 1 is connect and obtain load (torque).Thus, even be exposed under the situation of high temperature in solder reflow soldering operation etc., the parts of bearings 1 that connects with elastic connection part 703a, 703b bullet also is difficult to produce thermal deformation, therefore can provide inequality and the good rotary electrical unit of operability that prevents torque.
Especially, in the rotary electrical unit of present embodiment, making the part (connecting portion 702a, 702b) of leaf spring 7 be embedded in sliding part bears in the maintaining part 401 of portion 4, therefore leaf spring 7 can be born portion 4 with respect to sliding part and keep reliably, thus the good operation sense of touch can give rotary manipulation the time.In addition, elastic arm 701a, 701b are exposed from the peristome 402 that sliding part bears portion 4, crooked on this position of exposing, even therefore insert under the situation of shaping leaf springs 7 bearing portion 4 with respect to sliding part, also can this insert be shaped after with leaf spring 7 bendings.Thus, do not need to carry out to bear at sliding part and insert the complicated processing that is shaped etc. in the portion 4, can easily form the leaf spring 7 that extends to parts of bearings 1 side implementing leaf spring 7 after the bending machining.
In addition, in the rotary electrical unit of present embodiment, a pair of elastic arm 701a, 701b are set on the opposed position of the rotation that clips rotating shaft 2, therefore can obtain the good load of balance (torque), can give good operation sense of touch.
Need to prove that the present invention is not limited to described execution mode, can carry out various variations.In said embodiment, be illustrated for size and dimension shown in the drawings etc., but be not limited thereto, can in the scope of performance effect of the present invention, carry out suitable variation.For example, in the present embodiment, packing ring 13 is covered the mode in roughly whole zone that sliding parts bear the peristome 402 of portion 4 be illustrated, but packing ring 13 also needn't fully cover peristome 402.In this case, preferably will cover by packing ring 13 with the peristome that slips the opposed part in position 402 that slips sheet 302 and slide connecting part 303 and conductive pattern 501.In addition, can in the scope that does not break away from purpose of the present invention, carry out suitable variation and implement.
Claims (5)
1. rotary electrical unit is characterized in that possessing:
Metal parts of bearings with through hole;
In described through hole, rotatably insert logical spindle unit;
The sliding part that keeps sliding part and rotate with described spindle unit bears portion;
Be provided with the insulating element of the conductive pattern that described sliding part slips;
To the leaf spring of the rotation imposed load of described spindle unit,
Described leaf spring is installed on described sliding part and bears portion, and connects at the elastic connection part of the part of this leaf spring setting and the inner surface bullet of described parts of bearings,
Described leaf spring has the elastic arm who extends and be formed with described elastic connection part to the inner surface side of described parts of bearings, and other parts of described leaf spring are embedded in described sliding part and bear in the portion, be provided with the peristome that described elastic arm is exposed, the location bending that described elastic arm exposes at the described peristome that bears portion from described sliding part in the described sliding part portion of bearing.
2. rotary electrical unit according to claim 1 is characterized in that,
Covering described sliding part bears the packing ring of peristome of portion and described sliding part and is installed on described sliding part together and bears portion.
3. rotary electrical unit according to claim 2 is characterized in that,
Be provided with the projection of a plurality of installation usefulness in the described sliding part portion of bearing, and be provided with at described packing ring and sliding part and insert logical a plurality of holes that described projection is installed, between a plurality of described hole of described sliding part, be formed with described packing ring is pressed into the press section that described sliding part bears portion's side.
4. rotary electrical unit according to claim 1 is characterized in that,
Described elastic arm is provided with a pair of in the opposed position of the rotation that clips described spindle unit.
5. according to any described rotary electrical unit in the claim 1～4, it is characterized in that,
In the described sliding part portion of bearing the side wall portion that extends to described insulating element side is set, the Outboard Sections of the front end of described side wall portion and the described conductive pattern of described insulating element slips.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-135040 | 2008-05-23 | ||
| JP2008135040A JP4563470B2 (en) | 2008-05-23 | 2008-05-23 | Rotating electrical parts |
| JP2008135040 | 2008-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101587765A CN101587765A (en) | 2009-11-25 |
| CN101587765B true CN101587765B (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101410924A Active CN101587765B (en) | 2008-05-23 | 2009-05-20 | A rotating electric component |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4563470B2 (en) |
| CN (1) | CN101587765B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5895722B2 (en) * | 2012-06-07 | 2016-03-30 | オムロン株式会社 | Rotating parts and electronic equipment |
| CN103196468B (en) * | 2013-03-27 | 2015-10-28 | 东莞市长泰尔电子有限公司 | Novel structural encoder |
| JP6767821B2 (en) * | 2016-09-14 | 2020-10-14 | アルプスアルパイン株式会社 | Operating device and bearing manufacturing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1835158A (en) * | 2005-03-15 | 2006-09-20 | 阿尔卑斯电气株式会社 | Rotary electric part |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526659Y2 (en) * | 1987-09-30 | 1993-07-06 | ||
| JPH02170403A (en) * | 1988-12-22 | 1990-07-02 | Teikoku Tsushin Kogyo Co Ltd | Electronic part |
| JP3017034B2 (en) * | 1994-12-26 | 2000-03-06 | アルプス電気株式会社 | Rotary operation type electric parts |
-
2008
- 2008-05-23 JP JP2008135040A patent/JP4563470B2/en active Active
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- 2009-05-20 CN CN2009101410924A patent/CN101587765B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1835158A (en) * | 2005-03-15 | 2006-09-20 | 阿尔卑斯电气株式会社 | Rotary electric part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101587765A (en) | 2009-11-25 |
| JP4563470B2 (en) | 2010-10-13 |
| JP2009283327A (en) | 2009-12-03 |
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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. |