JP2006019337A - Rotating electrical component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotating electrical component with a back-lighted display which can prevent the deformation of terminals of a light source and can surely connect the light source and hence has a high connection reliability. <P>SOLUTION: The rotating electrical component comprises a housing 1, rotary member 9 rotatably held to the housing 1, a pair of conductive plates 10 and 11 having elasticity, insulation substrate 5 having a pair of conductive patterns 6a and 6b, chip-type light-emitting element 13 having a pair of electrodes 13b and 13b on a pair of side faces, respectively, and rotation detecting means for detecting the rotation of the rotating member 9. Each of the conductive plates 10 and 11 has a connection piece 10b and 11b installed upright on one end side so as to face the connection piece of the other conductive plate and a slider piece 10c and 11c installed on the other end side so as to be brought into slidable contact with the conductive pattern 6a and 6b. The pair of connection pieces 10b and 11b are brought into elastic contact with the pair of electrodes 13b and 13b of the chip-type light-emitting element 13, respectively, while at the same time the chip-type light-emitting element 13 is held between the pair of connection pieces 10b and 11b to hold it to the rotating member 9. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a structure of a rotary electric component used for various controls of electronic devices and the like, and in particular, a rotary electric component with an illumination display that displays a rotation angle position of an operation knob by light of a light source such as an LED. Concerning structure.

  As the structure of the conventional rotary electrical component, a light source current collecting part (sliding contact part) is provided in front of the resistance element substrate of the rotation type variable resistor with light source display. There is known a structure in which a light source body is directly attached to the front surface of a variable resistor by providing a conductive light source socket on the front surface of the variable resistor (see, for example, Patent Document 1).

Hereinafter, the structure of a conventional rotating electrical component will be described with reference to the drawings.
FIG. 12 is a cross-sectional view showing a conventional rotating electrical component, FIG. 13 is a plan view of the contact board for the light source, and FIG. 14 is a plan view of the rotating body for the light source.

  FIG. 12 shows an embodiment of a rotary operation type variable resistor with a light source display. In the figure, E is a display unit, F is a light source current collecting unit, G is a variable resistor unit, and H is a push type switch unit. is there.

  The display unit E has a light source body accommodation hole 21 and a display front window 22 provided continuously on the outer peripheral side and fitted with a transparent resin, and has a knob 24 inserted and coupled to the operation shaft front end 23a at the center. The light source rotating body 25 made of an insulating material such as synthetic resin is inserted into the socket hole 26 provided on the outer peripheral side off the center of the light source rotating body 25 from the front side, and the tip light emitting portion is disposed in the light source body accommodation hole 21 of the knob 24. The light source body 27 is exposed.

  As shown in FIG. 13, the light source current collector F is made of a contact substrate 30 having two concentric fixed contacts 28 and 29 and input terminals 28a and 29a for these, and an elastic metal material. Elastic contact portions 31 and 32 that are in sliding contact with the respective fixed contact points 28 and 29, and a hole 25 'of the light source rotator 25 that extends integrally to the socket hole 26. Two movable contact bodies 35, 36 having elastic legs 35a, 36a that are in pressure contact with the input terminals 33, 34 of the body 27 using elasticity, respectively, and a light source socket hole on the front side 26, and the two movable contact bodies 35, 36 are held on the rear side, and the central non-circular hole 37 is loosely fitted with an operation shaft intermediate portion 23b of the same shape as shown in FIG. And that Between the cylindrical portion 25a outside diameter consists rotating body 25 for being rotatably supported by bearings 38.

  The variable resistor part G is located at the rear part of the light source current collecting part F, and a slider holding body 39 loosely fitted with the operation shaft intermediate non-circular part 23b, and a resistance element on the resistance substrate 40 held by the variable resistor part G. 41 includes a slider 42 that rotates and slides on 41, terminals 43 and 43 '(43' not shown) for external connection, and a case 44 that accommodates these terminals. By pushing the driving body 45 that is in contact with the rear end 23c of the operation shaft 23, the external terminals 46 and 47 (47 is not shown) are electrically opened and closed. Description of the internal structure Is omitted.

  In this configuration, when the knob 24 is rotated, the light source rotating body 25 and the variable resistor slider holding body 39 rotate via the operation shaft 23, and the sliding elasticity of the two light source flexible contact bodies 35 and 36 is rotated. The contact portions 31 and 32 rotate and slide on the concentric fixed contacts 28 and 29, respectively, and supply current to the input terminals 33 and 34 of the light source body 27 through the elastic legs 35a and 36a. It rotates with the knob 24 while always lighting. At this time, the resistance value between the external connection terminals 43 and 43 'of the variable resistor portion G changes.

  When the knob 24 is pushed, the operating shaft 23 is loosely fitted in the holes of the light source rotating body 25 and the variable resistor slider holding body 39. The push-type switch driver 45 is pushed at the rear end 23c, and the external terminals 46 and 47 of the push-type switch unit are opened and closed.

Japanese Examined Patent Publication No. 6-40527

  However, the conventional rotary electric component described above has a structure in which the input terminals (lead terminals) 33 and 34 of the light source body 27 and the elastic leg portions 35a and 36a of the movable contact body are respectively pressure-contacted. Due to the elastic force of the elastic legs 35a and 36a, the input terminals 33 and 34 are deformed, the connection between them becomes unstable, and the connection reliability deteriorates.

  Accordingly, the present invention solves the above-described problems, and prevents a deformation of a terminal (electrode) of a light source body, and also provides a rotating electrical component with an illumination display that can be reliably connected and has high connection reliability. With the goal.

  In order to solve the above problems, the present invention provides a housing, a rotating member rotatably held in the housing, a pair of conductive plates having elasticity attached to the rotating member, An insulating substrate having a pair of arc-shaped conductive patterns held in a housing and in sliding contact with the conductive plate, and a pair of electrodes electrically connected to the pair of conductive patterns via the pair of conductive plates are provided on a pair of side surfaces. A chip-type light emitting element; and a rotation detecting means for detecting rotation of the rotating member. The pair of conductive plates are provided with a connecting piece standing on one end side and facing each other, and the other end side. Provided with a pair of slider pieces that are in sliding contact with the pair of conductive patterns, the pair of connection pieces being elastically contacted with a pair of electrodes of the chip-type light-emitting element, respectively, and the pair of connection pieces being used for the chip-type light-emitting element. It has a structure that is held by the rotary member by clamping.

Further, as a second solving means, a holder engaged with the rotating member is provided, and a hook-like engaging portion having elasticity is provided on the holder or the rotating member, and the holder is used to attach the holder to the rotating member. While being fixed to the rotating member by snapping, the chip type light emitting element was positioned by the holder.
As a third solution, the holder is provided with a hollow portion for light guide and a slit for imparting elasticity penetrating in the vertical direction of the hollow portion, and the slit side is engaged with the rotating member. It was set as the engaging surface.

As a fourth solving means, a pair of conductive patterns for the chip-type light emitting element are provided on one surface side of the insulating substrate, and a circuit pattern for the rotation detecting means is provided on the other surface side of the insulating substrate. It was set as the formed structure.
As a fifth solution, the rotating member is formed in a cylindrical shape having a hollow portion in the center, and the pair of connection pieces are arranged to face each other with a gap in the circumferential direction of the rotating member. It was.

  As described above, the rotating electrical component of the present invention is held in the housing, the rotating member rotatably held in the housing, the pair of conductive plates having elasticity attached to the rotating member, An insulating substrate having a pair of arc-shaped conductive patterns that are in sliding contact with the conductive plate; a chip-type light emitting element having a pair of electrodes on a pair of side surfaces that are electrically connected to the pair of conductive patterns via the pair of conductive plates; A rotation detecting means for detecting rotation, a pair of conductive plates, a connection piece standing on one end side and arranged opposite to each other, and a slider slidingly contacting the pair of conductive patterns on the other end side Since the pair of connecting pieces are elastically contacted with the pair of electrodes of the chip type light emitting element, and the chip type light emitting element is sandwiched between the pair of connecting pieces and held on the rotating member, A pair of electric Even if the elastic force of the connection piece is applied, the pair of electrodes are formed on the opposite side surfaces, so that the electrodes are not deformed inward, so that the connection between the electrode and the connection piece is ensured. As a result, connection reliability is improved.

In addition, a holder engaged with the rotating member is provided, and an elastic hook-shaped engaging portion is provided on the holder or the rotating member, and the holder is snapped onto the rotating member and attached to the holder or the rotating member. Since the type light emitting element is positioned, the holder can be easily attached to the rotating member, the assembling workability is improved, and the chip type light emitting element can be reliably positioned and attached to the rotating member by the holder.
In addition, the holder is provided with a hollow portion for light guide and a slit for imparting elasticity penetrating in the vertical direction of the hollow portion, and the slit side is used as an engagement surface that engages with the rotating member, so that the holder is rotated. It can be easily snapped to the member, and light leakage of the chip type light emitting element from the slit of the holder can be prevented.

In addition, a pair of conductive patterns for chip-type light emitting elements are provided on one surface side of the insulating substrate, and a circuit pattern for rotation detecting means is formed on the other surface side of the insulating substrate, so that components can be shared. Therefore, the number of parts can be reduced, and the rotating electrical parts can be downsized.
In addition, the rotating member is formed in a cylindrical shape having a hollow portion in the center, and the pair of connection pieces are arranged to face each other with an interval in the circumferential direction of the rotating member. Since a desired cavity can be formed, a small rotating electrical component can be provided.

  Embodiments of the rotating electrical component of the present invention are shown in FIGS. FIG. 1 is an exploded perspective view of a rotating electrical component of the present invention, FIG. 2 is an overall perspective view of the rotating electrical component of the present invention, FIG. 3 is a cross-sectional view of the main part of the rotating electrical component of the present invention, and FIG. FIG. 5 is a plan view, FIG. 6 is a perspective view of the holder, FIG. 7 is a rear view, FIG. 8 is a perspective view of a conductive plate, FIG. 9 is a plan view, and FIG. FIG. 11 is a rear view of the insulating substrate.

  In the figure, the housing 1 is made of an insulating material such as a synthetic resin, and is provided with a cylindrical shaft 1a having a large hollow portion protruding from the center, and an annular bottom surface on the outer periphery of the base portion of the cylindrical shaft 1a. A storage portion 1b having a portion is provided. The storage portion 1b is provided with a storage recess 1c that protrudes outward. An insulating substrate 5 described later is positioned in the storage recess 1c and is held by the storage portion 1b. A plurality of engaging grooves 1d are provided on the outer surface of the housing 1 along the vertical direction, and engaging leg pieces 14b of a mounting plate 14 to be described later are engaged and attached to the engaging grooves 1d. It has become a thing.

  The storage portion 1b is made of a metal plate having elasticity, and an annular leaf spring 2 is accommodated and fixed thereto. The leaf spring 2 is provided with a click projection 2a, which will be described later. By sliding with the click cam 3b of the plate 3, a click feeling during rotation can be obtained.

  The click plate 3 is made of an insulating material such as a synthetic resin, and has an annular base portion 3a having a large opening at the center, and the leaf spring 2 is provided on the back surface (back surface) side of the base portion 3a. A continuous concavo-convex click cam 3b is formed which slides on the click protrusion 2a to generate a click feeling during rotation. An annular projecting portion 3c is provided on the periphery of the opening on the upper surface side of the base portion 3a, and a plurality of (four in this embodiment) engaged with a rotating member 9 described later. The engaging groove 3d is provided. Further, a slider 4 made of a conductive thin metal plate having elasticity that comes into sliding contact with a circuit pattern 7 of an insulating substrate 5 to be described later is fixed to the upper surface side of the base portion 3a.

  The insulating substrate 5 is made of a laminated plate of phenol resin or the like, and is formed in a substantially circular flat plate shape having a large opening at the center, and has an annular substrate portion 5a and a rectangular base portion 5b. is doing. A pair of conductive patterns 6a and 6b arranged in an arc shape along the opening is formed on the upper surface side which is one surface side of the annular substrate portion 5a (see FIG. 10). The conductive patterns 6a and 6b are made of copper foil or a highly conductive material obtained by coating a copper foil with silver or the like, and are provided in parallel and concentrically at equal intervals. In addition, drawer patterns 6c and 6d are provided on one end side of the pair of conductive patterns 6a and 6b, and the drawer patterns 6c and 6d extend to the base portion 5b.

  Further, on the back side, which is the other surface side of the annular substrate portion 5a, a common pattern 7a annularly arranged inside along the opening and a circle parallel to the outer periphery of the common pattern 7a. A resistance pattern 7b arranged in an arc shape is formed, and the common pattern 7a and the resistance pattern 7b constitute a circuit pattern 7 (see FIG. 11). In the present embodiment, for example, the common pattern 7a is formed of a silver pattern or a highly conductive material that is printed by coating the silver pattern with carbon or the like, and the resistance pattern 7b is coated (printed) with carbon or the like. Is formed. A desired signal is output when the slider 4 fixed to the base portion 3 a of the click plate 3 is in sliding contact with the circuit pattern 7. The circuit pattern 7 and the slider 4 constitute rotation detection means.

  In addition, the base portion 5b is formed of a conductive metal plate, one end is fixed to the back side of the base portion 5b, and the other end is bent in an L shape so as to be orthogonal to the back side of the base portion 5b. A plurality of connection terminals 8 (five in the present embodiment) are formed so as to protrude in the direction of movement. One end side of the connection terminal 8 is provided with a fixing portion 8a fixed in a state of penetrating through the front and back of the base portion 5b. One of the connection terminals 8 (connection terminal 8 located in the center) and the lead-out part 7c of the common pattern 7a are electrically connected to each other on the back side of the base part 5b through the fixing part 8a. Both end portions of the resistance pattern 7b are electrically connected to two of the connection terminals 8 (connection terminals 8 located on both sides of the center) on the back side of the base portion 5b via the fixing portion 8a. ing.

  In addition, on the upper surface side of the base portion 5b, the lead patterns 6c and 6d of the pair of conductive patterns 6a and 6b are connected to two of the connection terminals 8 via the fixing portions 8a (connection terminals 8 located at both ends). And are electrically connected. In other words, the conductive terminals 6 a and 6 b formed on the upper surface side of the insulating substrate 5 and the circuit patterns 7 a and 7 b formed on the rear surface side are arranged on the rear surface side of one surface of the insulating substrate 5. Are electrically connected to each other.

  In this manner, a pair of conductive patterns 6a and 6b for a chip-type light emitting element 13 to be described later are provided on one surface side of the insulating substrate 5, and a circuit pattern for rotation detecting means is provided on the other surface side of the insulating substrate 5. 7 (common pattern 7a and resistor pattern 7b) is formed, so that the component parts can be shared, so that the number of parts can be reduced and the rotary electric parts can be miniaturized.

  The insulating substrate 5 is accommodated in the accommodating portion 1b of the housing 1 in a state of being sandwiched and opposed to the upper surface side of the click plate 3 and the lower surface side of a disk portion 9b of the rotating member 9 described later. ing. When the housing 1 is housed in the housing portion 1b, the base portion 5b is held by being positioned in the housing recess 1c provided in the housing portion 1b. 8 is disposed so as to protrude from the bottom surface of the housing recess 1c.

  The rotating member 9 is made of an insulating material such as synthetic resin, and is formed in a cylindrical shape having a large hollow portion at the center. The rotating member 9 is provided with a cylindrical rotating shaft 9 a that is rotatably supported by the cylindrical shaft 1 a of the housing 1 and a disc portion 9 b that is accommodated in the accommodating portion 1 b of the housing 1. ing.

  A plurality (four in this embodiment) of engaging pieces 9c are provided on the lower surface side of the disk portion 9b so as to protrude downward along the peripheral edge of the cavity portion. The engagement piece 9c engages with the plurality of engagement grooves 3d provided in the click plate 3 housed in the housing portion 1b of the housing 1, whereby the click plate is rotated with the rotation of the rotating member 9. 3 can rotate together.

  A pair of conductive plates 10 and 11 made of a conductive thin metal plate having elasticity are fixed to the lower surface side of the disc portion 9b by heat caulking or the like. These conductive plates 10 and 11 are flat base portions 10a and 11a each having a hole fixed to the disc portion 9b, and a connection that is erected on one end side of the base portions 10a and 11a and is opposed to each other. It has the piece 10b, 11b and the slider piece 10c, 11c extended in parallel with the other end side (refer FIG. 8). Further, the pair of connection pieces 10b and 11b are disposed to face each other with an interval along the circumferential direction of the disc portion 9b.

  The slider pieces 10 c and 11 c of the pair of conductive plates 10 and 11 are in sliding contact with the pair of conductive patterns 6 a and 6 b formed on the substrate portion 5 a of the insulating substrate 5. The pair of connection pieces 10b and 11b are extended toward the rotary shaft 9a through a through hole 9d provided in the disc portion 9b. The connection pieces 10b and 11b are held by the rotary member 9. It is elastically in contact with an electrode 13b of a chip type light emitting element 13 to be described later.

  Thus, even if the rotating member 9 is formed in a cylindrical shape having a hollow portion in the center, the pair of connection pieces 10b and 11b are opposed to each other with a gap in the circumferential direction of the rotating member 9. If arranged, a hollow portion having a desired size can be formed in the center without enlarging the outer shape of the rotating member 9, so that a small rotating electrical component with an illumination display can be easily provided. It has become a thing.

  In addition, a holder holding portion 9e with which a holder 12 that holds a chip-type light emitting element 13 to be described later is engaged is provided on one side surface portion of the rotating shaft 9a of the rotating member 9. Further, the holder holding portion 9e is provided with an engagement recess 9f to which the hook-like engagement portion 12d having elasticity of the holder 12 is engaged, and the holder 12d and the engagement recess 9f hold the holder. 12 is attached to the rotating member 9 by snapping (see FIG. 3).

  The holder 12 is made of an insulating material such as a synthetic resin and has a substantially rectangular tube shape. A light guide hollow portion 12a penetrating in the vertical direction is provided at the center. In addition, a slit 12b that is continuous in the vertical direction is provided on one side surface (bottom surface side) of the hollow portion 12a. By providing the slit 12b, the pair of side surface portions facing each other have elasticity. It has become. The holder 12 is engaged with the holder holding portion 9e of the rotating member 9, and the chip type light emitting element 13 serving as a light source for illumination display is positioned on the lower end side and is held by the rotating member 9. Yes.

  In this case, the holder 12 has a bottom surface on which the slit 12b is provided as an engaging surface with the rotating member 9, and light from the chip-type light emitting element 13 for illumination display is hollow for the light guide. Although guided to the upper side of the rotating member 9 through the portion 12a, light leakage from the slit 12b does not occur.

  Further, a projecting element guide portion 12 c for guiding the element portion 13 a of the chip type light emitting element 13 is provided on the lower end side of the holder 12, and this holder 12 is attached to the holder holding portion 9 e of the rotating member 9. When engaged, the element guide portion 12c prevents the chip-type light emitting element 13 from being detached from the rotating member 9 and prevents unwanted light leakage.

  Here, the chip-type light emitting element 13 is formed of a light emitting diode (LED) having a rectangular shape, and an end portion on the upper surface side of the element portion 13a serving as a light emitting surface is brought into contact with the lower end side of the holder 12, A pair of electrodes 13b and 13b are sandwiched and elastically contacted by connecting pieces 10b and 11b of a pair of conductive plates 10 and 11 fixed to the rotating member 9. That is, a pair of electrodes 13b and 13b provided on a pair of opposing side surfaces of the chip-type light emitting element 13 are connected to the upper surface of the insulating substrate 5 via a pair of conductive plates 10 and 11 fixed to the rotating member 9. It is connected to a pair of conductive patterns 6a and 6b formed on the side and becomes conductive.

  Further, hook-like engagement portions 12d and 12d having elasticity protruding outward are formed on a pair of opposing side surface portions on the lower end side of the holder 12, and the hook-like engagement portions 12d, 12d is snapped to the engaging recess 9f formed in the holder holding portion 9e of the rotating member 9, whereby the holder 12 is attached to the rotating member 9.

In this way, the holder 12 is provided with the hook-like engaging portions 12d, 12d having elasticity, and the holder 12 is snapped onto the rotating member 9 by the engaging portions 12d, 12d. Since the chip type light emitting element 13 is positioned by the holder 12, the holder 12 can be easily attached to the rotating member 9, the assembling workability is improved, and the chip type light emitting element 13 is mounted by the holder 12. The rotating member 9 can be reliably positioned and attached.
The hook-shaped engaging portions 12d and 12d may be formed on the rotating member 9 side.

  The holder 12 is provided with the light guide hollow portion 12a and the elasticity applying slit 12b penetrating in the vertical direction of the hollow portion 12a, and the slit 12b side is engaged with the rotating member 9. Thus, the holder 12 can be easily snapped to the rotating member 9, and light leakage of the chip-type light emitting element 13 from the holder 12 (slit 12b) can be prevented.

The mounting plate 14 is formed by punching and bending a metal plate, and has an annular upper plate portion 14a and a plurality of engaging leg pieces 14b (4 in this embodiment) suspended from the upper plate portion 14a in a right angle direction. And a pair of frame legs 14c. The mounting plate 14 is placed on the upper surface of the housing 1 from above the rotating member 9 housed in the housing portion 1 b of the housing 1, and the plurality of engaging leg pieces 14 b are disposed outside the housing 1. By engaging with the plurality of engaging grooves 1 d formed on the side surface, the rotating member 9 is rotatably accommodated in the housing 1 and attached.
Although not shown, the housing 1 is provided with a stopper for restricting the rotation angle of the rotating member 9 and the click plate 3, and the sliding areas of the slider pieces 10c and 11c are electrically conductive patterns 6a, It is configured not to deviate from 6b.

  Next, the operation of the rotating electrical component of the above embodiment will be described. When the rotating shaft 9a of the rotating member 9 is rotated, both the click plates 3 engaged with the lower surface side of the disk portion 9b are moved together. During this rotation, the uneven click cam 3b provided on the back surface (back surface) side of the click plate 3 slides on the click protrusion 2a of the leaf spring 2 fixed to the housing portion 1b of the housing 1. To generate a click feeling when rotating.

  At this time, the slider 4 fixed to the upper surface side of the click plate 3 is in sliding contact with the circuit pattern 7 (common pattern 7a and resistance pattern 7b) provided on the back surface side of the insulating substrate 5. A desired signal value (resistance value) according to the rotation angle is obtained, and is output to a control circuit such as an external electronic device via the connection terminal 8.

  At this time, the chip-type light emitting element 13 for illumination display attached to the rotating member 9 has the pair of electrodes 13b and 13b fixed to the disk portion 9b via the pair of conductive plates 10 and 11. During the rotation operation, the pair of conductive patterns 6 a and 6 b provided on the upper surface side of the insulating substrate 5 are always in sliding contact with the pair of electrodes 13 b and 13 b via the connection terminals 8. Since an external power supply is supplied, illumination display on the external knob is possible during the rotation operation.

  In the above embodiment, the circuit pattern 7 which is the rotation detecting means is constituted by a variable resistor circuit formed by the common pattern 7a and the resistance pattern 7b. However, the present invention is not limited to this, and the circuit pattern 7 May be formed by a common pattern and a code pattern, or a contact pattern to constitute an encoder circuit or a switch circuit.

  According to the above-described embodiment of the present invention, the rotating member 9 rotatably held in the housing 1, the pair of conductive plates 10 and 11 having elasticity fixed to the rotating member 9, and the conductive plate 10, 11 includes a chip type light emitting element 13 having a pair of electrodes 13b, 13b in contact with a pair of side surfaces, and an insulating substrate 5 having a pair of conductive patterns 6a, 6b. The pair of conductive plates 10, 11 includes A pair of connection pieces 10b and 11b which are erected on one end side and are opposed to each other, and slider pieces 10c and 11c which are in sliding contact with the pair of conductive patterns 6a and 6b are provided on the other end side. The pieces 10b and 11b are brought into elastic contact with the pair of electrodes 13b and 13b of the chip type light emitting element 13, respectively, and the rotating member 9 is sandwiched by the pair of connection pieces 10b and 11b. Even if the elastic force of the connection pieces 10b and 11b is applied to the pair of electrodes 13b and 13b of the chip-type light emitting element 13, the pair of electrodes 13b and 13b are formed on the opposite side surfaces, respectively. Therefore, since these electrodes 13b and 13b are not deformed inward, the connection between the electrodes 13b and 13b and the connection pieces 10b and 11b is surely performed, and the connection reliability is improved. It is supposed to be.

It is a disassembled perspective view which shows the rotary electrical component of this invention. 1 is an overall perspective view showing a rotary electric component of the present invention. It is principal part sectional drawing which shows the rotary electrical component of this invention. It is a perspective view which shows the chip type light emitting element of this invention. It is a top view which shows the chip type light emitting element of this invention. It is a perspective view which shows the holder of this invention. It is a rear view which shows the holder of this invention. It is a perspective view which shows the electrically conductive board of this invention. It is a top view which shows the electrically conductive board of this invention. It is a front view which shows the insulated substrate of this invention. It is a rear view which shows the insulated substrate of this invention. It is sectional drawing which shows the conventional rotating electrical component. It is a top view which shows the conventional contact substrate for the same light source. It is a top view which shows the conventional rotary body for the same light source.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1: Housing 1a: Cylindrical shaft 1b: Storage part 1c: Storage recessed part 1d: Engagement groove 2: Leaf spring 2a: Click projection 3: Click plate 3a: Base part 3b: Click cam 3c: Protrusion part 3d: Engagement Concave groove 4: Slider (rotation detection means)
5: Insulating substrate 5a: Substrate part 5b: Base part 6a: Conductive pattern 6b: Conductive pattern 6c: Drawer pattern 6d: Drawer pattern 7: Circuit pattern (rotation detecting means)
7a: Common pattern 7b: Resistance pattern 7c: Lead-out part 8: Connection terminal 8a: Adhering part 9: Rotating member 9a: Rotating shaft 9b: Disc part 9c: Engagement piece 9d: Through hole 9e: Holder holding part 9f: Engagement Joint recess 10: Conductive plate 10a: Base portion 10b: Connection piece 10c: Slider piece 11: Conductive plate 11a: Base portion 11b: Connection piece 11c: Slider piece 12: Holder 12a: Hollow portion 12b: Slit 12c: Element guide Part 12d: Engagement part 13: Chip-type light emitting element 13a: Element part 13b: Electrode 14: Mounting plate 14a: Upper plate part 14b: Engagement leg piece 14c: Frame foot

Claims (5)

  A housing, a rotating member rotatably held in the housing, a pair of elastic plates attached to the rotating member, and a pair of arcuate shapes held in the housing and in sliding contact with the conductive plates An insulating substrate having a conductive pattern, a chip-type light emitting element having a pair of electrodes on a pair of side surfaces that are electrically connected to the pair of conductive patterns via the pair of conductive plates, and a rotation detecting means for detecting the rotation of the rotating member The pair of conductive plates is provided with connecting pieces that are erected on one end side and arranged to face each other, and provided with a slider piece that is in sliding contact with the pair of conductive patterns on the other end side, A rotary type characterized in that a pair of connection pieces are elastically contacted with a pair of electrodes of the chip type light emitting element, respectively, and the chip type light emitting element is held between the pair of connection pieces and held on the rotating member. Care parts.   A holder engaged with the rotating member is provided, and an elastic hook-shaped engaging portion is provided on the holder or the rotating member, and the holder is snapped onto the rotating member and attached by the engaging portion. The rotary electric component according to claim 1, wherein the chip-type light emitting element is positioned by the holder.   The holder is provided with a hollow portion for light guide and a slit for imparting elasticity penetrating in the vertical direction of the hollow portion, and the slit side serves as an engagement surface that engages with the rotating member. The rotating electrical component according to claim 2.   A pair of conductive patterns for the chip-type light emitting element is provided on one surface side of the insulating substrate, and a circuit pattern for the rotation detecting means is formed on the other surface side of the insulating substrate. The rotary electrical component according to any one of 1 to 3. 5. The rotating member is formed in a cylindrical shape having a hollow portion in the center, and the pair of connection pieces are arranged to face each other with an interval in the circumferential direction of the rotating member. The rotating electrical component according to any one of the above.

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