JP6017348B2 - Switch device - Google Patents

Description

  The present invention relates to a switch device such as an engine start / stop switch installed on an instrument panel of a vehicle.

  Some recent vehicles include a smart ignition system that enables an engine to be started by an ID signal wirelessly transmitted from a portable device. In this smart ignition system, when the engine start / stop switch provided on the instrument panel in the passenger compartment is operated, a request signal is transmitted from the vehicle authentication device to the portable device, and the portable device that has received this request signal. Transmits its own ID signal to the vehicle authentication device. Then, the vehicle authentication device collates the ID code included in the received ID signal with the ID code stored in advance, and if they match, the engine can be started as authentication OK, and the engine start / stop is started. The engine is started by operating the switch.

  In such a smart ignition system, communication with a vehicle authentication device is possible without requiring a power source such as a battery in the portable device as an auxiliary communication means when the battery of the portable device is exhausted and communication becomes impossible. Some have a transponder communication function. In this transponder communication function, when a portable device receives an activation radio wave transmitted from a coil antenna provided in a switch device of a vehicle, an electromotive force is generated by a coil portion in the transponder of the portable device, and the power is used to authenticate the vehicle. By transmitting an ID signal to the device, communication between the vehicle authentication device and the portable device is enabled.

  By the way, when using the transponder communication function, it is necessary to operate the engine start / stop switch with the portable device close to the coil antenna of the switch device installed in the vehicle. In order to extend the coil antenna, the coil antenna is preferably arranged in front of the switch device.

  Therefore, in Patent Document 1, as shown in FIG. 9, the coil antenna 60 is arranged so that at least a part thereof is inserted into the push button 59, and the coil 20 of the coil antenna 60 is connected to the terminal 65 and the circuit board. The structure which connects to the authentication apparatus not shown of a vehicle from the back of a switch apparatus via 73 and the connector 75 is proposed.

  More specifically, the coil antenna 60 is configured by winding the coil 20 around the outer periphery of a bobbin 64 that is molded into a ring shape with a synthetic resin, and a pair of coil antennas 60 are connected to a terminal holding portion 64 a that is integrally formed with the bobbin 64. The terminal 65 (only one is shown in FIG. 9) is mold-bonded so that a part of the terminal 65 protrudes, and both ends of the coil 20 are electrically connected to both terminals 65. The pair of terminals 65 are integrally formed with an extension portion 65a extending in parallel with the axis of the coil antenna 60. The terminal holding portion 64a extends rearward from the bobbin 64 (to the right in FIG. 9). The extension part 65a of each terminal 65 is held. And the extension part 65a of each terminal 65 is each electrically connected to the circuit board 73 to which the connector 75 was fixed.

JP 2011-027085 A

  However, in the configuration proposed in Patent Document 1, it is necessary to fix the coil 20 of the coil antenna 60, the terminal 65, the terminal 65 (extension portion 65a), and the circuit board 73 by soldering. There is a problem that it takes. Further, since it is necessary to mold-bond the terminal 65 to the bobbin 64, there is a problem that the manufacturing cost increases.

  The present invention has been made in view of the above problems, and an object thereof is to provide a switch device that can reduce the number of assembling steps and reduce the manufacturing cost.

In order to achieve the above object, the invention according to claim 1
A holder,
A switch mechanism housed in the holder so as to be operable from the outside;
A coil antenna disposed in the holder and formed by winding an antenna wire around a ring-shaped bobbin;
A terminal base that is attached to the rear end of the holder, and that electrically connects the coil antenna to an external control device, and a terminal base connected to the connector;
In a switch device comprising
A first notch is formed in the terminal base, and an antenna wire led out from a bobbin of the coil antenna is directly connected to a connection terminal of the terminal base through the first notch.

  According to a second aspect of the present invention, in the first aspect of the present invention, the bobbin is provided with a support portion that protrudes rearward to support the antenna wire, and the antenna wire led out from the bobbin is provided on the support portion. A winding part that winds in the middle is provided.

  The invention according to claim 3 is the invention according to claim 2, wherein one support portion is provided on the bobbin, and positive and negative antenna wires are wound together around the winding portion provided on the support portion. It is characterized by that.

  According to a fourth aspect of the present invention, in the third aspect of the present invention, the plurality of winding portions are provided in the support portion of the bobbin, and the antenna wire led out from the bobbin is disposed between two adjacent winding portions. It is characterized by being twisted together.

  According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the circuit board on which the contact portion of the switch mechanism is disposed is disposed on the front side of the terminal base in the holder, A second notch is formed in the circuit board, and an antenna wire led out from the bobbin is passed through the second notch to the rear side.

  According to the first aspect of the present invention, the antenna wire led out from the bobbin of the coil antenna is directly connected to the connection terminal of the terminal base through the first notch formed in the terminal base. The number of locations can be reduced to reduce the assembly man-hours. In addition, since the antenna wire can be connected to the connection terminal by attaching the coil antenna and terminal base to the holder and then working from the rear side so that the components inside the holder do not get in the way. It can be done easily.

  According to invention of Claim 2, since the winding part was provided in the support part formed in the bobbin of the coil antenna, by extending to the back side while winding the antenna wire in the winding part, The antenna wire can be guided rearward with a simple configuration and securely held along the support portion. In addition, since the antenna wire is surely guided to the first cutout portion of the terminal base, the work of passing the antenna wire through the first cutout portion is facilitated, and the assembling workability is improved.

  According to the third aspect of the invention, since the positive and negative antenna wires are wound together around the winding portion provided on one support portion of the bobbin of the coil antenna, the positive and negative bipolar electrodes are wound together by one support portion. The antenna line can be held. For this reason, the bobbin need only be provided with one support portion, and the space occupied by the support portion in the holder can be small, so that the holder can be downsized and the switch device can be downsized.

  According to the invention described in claim 4, since the plurality of winding portions are provided on the support portion of the bobbin of the coil antenna and the antenna wire led out from the bobbin is twisted between two adjacent winding portions, the antenna The lifting of the wire from the support portion is prevented, and the assembling property of the switch device is improved.

  According to the fifth aspect of the present invention, even when the circuit board is arranged on the front side of the terminal base in the holder, the antenna line is passed through the second notch formed in the circuit board, and the rear side Therefore, the number of assembling steps can be reduced by reducing the number of manual soldering places, and connection work such as soldering can be easily performed from the rear side.

It is a disassembled perspective view of the switch apparatus which concerns on this invention. It is a front view of the switch apparatus which concerns on this invention. It is the sectional view on the AA line of FIG. FIG. 3 is a sectional view taken along line B-B in FIG. 2. It is a front view of the holder of the switch apparatus concerning this invention. It is CC sectional view taken on the line of FIG. It is a perspective view of the coil antenna of the switch apparatus concerning this invention. It is the fragmentary perspective view which removed the cover of the switch apparatus which concerns on this invention, and was seen from the back side. It is a sectional side view of the switch apparatus proposed in patent documents 1.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 is an exploded perspective view of the switch device according to the present invention, FIG. 2 is a front view of the switch device, FIG. 3 is a cross-sectional view taken along line AA in FIG. 2, and FIG. 5 is a front view of the holder of the switch device, FIG. 6 is a sectional view taken along the line CC of FIG. 3, FIG. 7 is a perspective view of the coil antenna of the switch device, and FIG. It is the fragmentary perspective view seen from the side.

  A switch device 1 according to the present embodiment is an engine start / stop switch installed on an instrument panel of a vehicle equipped with a smart ignition system. As shown in FIGS. 1, 3 and 4, the switch device 1 includes an operation knob 3, a coil antenna 4, a slider 5, a rubber contact 6, a circuit board 7, The terminal base 8 is sequentially assembled, the front end opening of the holder 2 is covered with the operation knob 3 and a ring-shaped bezel 9 covering the outer periphery thereof, and the rear end opening of the holder 2 is covered with a substantially semi-disc-shaped cover 10. Configured. The holder 2, the operation knob 3, the coil antenna 4, the slider 5, the circuit board 7, the terminal base 8, the bezel 9, and the cover 10 are integrally formed of nonconductive resin, and the rubber contact 6 is nonconductive. It is molded as a single piece with a synthetic rubber. In the following description, the left side of FIG. 3 is the front side, the right side is the rear side, and the left-right direction is the axial direction.

  The holder 2 is integrally formed in a double cylinder shape, and the slider 5 is accommodated in a slider holding portion 2A which is an inner cylinder so as to be able to advance and retract in the front-rear direction. Here, as shown in FIGS. 1 and 6, guide grooves 2a (only three are shown in FIG. 1) are provided in the front and rear direction (axis Direction). Further, at the left and right rear ends of the slider holding portion 2A of the holder 2, there are provided engaging claws 2f that protrude inward and can be elastically deformed inward and outward. In addition, insertion holes 2h that pass through in the front-rear direction are formed on the outer sides in the radial direction of the engaging claws 2f.

  Further, as shown in FIG. 1, engaging projections 2b (only two are shown in FIG. 1) are integrally projected at an equal angular pitch (90 ° pitch) in the circumferential direction at four locations on the outer periphery of the front end portion of the holder 2. It is installed. A plurality of rectangular engaging holes 2c (only two are shown in FIG. 1) are formed on the outer periphery of the rear end portion of the holder 2, and a plurality of notched engaging grooves 2d (see FIG. 1). Only two are shown).

  As shown in FIGS. 1 and 8, a rectangular cylindrical connector 8B is integrally formed on the back surface of the substantially disc-shaped main body portion 8A of the terminal base 8, and the connector 8 has a lateral direction. A total of ten metal connection terminals 11 arranged in two rows in five rows and above are inserted and supported in the horizontal direction. In addition, positioning protrusions 8a (only one is shown in FIG. 1) projecting in the front-rear direction are provided at two locations on the outer periphery of the main body 8A of the terminal base 8 and engaging protrusions 8b (1 in FIG. 1). Only one is shown), and an engaging claw 8c is formed on the outer periphery.

  Further, as shown in FIG. 4, two connection terminals 12 having a U-shape in side view, which are integrally provided on the two connection terminals 11, are embedded in the main body portion 8 </ b> A of the terminal base 8. As shown in FIG. 8, the end portions of these connection terminals 12 protrude horizontally from the upper back of the main body portion 8A of the terminal base 8 toward the rear, and the connection portions 12a are formed at the tip portions thereof. Each is formed. As shown in FIG. 8, rectangular engagement holes 8 d are formed at three locations on the main body portion 8 </ b> A of the terminal base 8.

  Furthermore, screw bosses 8e that open toward the front are integrally formed on the left and right sides of the front surface side of the main body 8A of the terminal base 8. In the present embodiment, a first cutout portion 8f cut out at a right angle is formed on the upper end portion of the main body portion 8A of the terminal base 8 on the side from which the connection terminal 12 protrudes (left side in FIG. 1). Yes.

  Thus, as shown in FIGS. 3 and 4, the terminal base 8 is engaged and held at the rear end portion in the holder 2 and stored. That is, the terminal base 8 is engaged with the holder 2 by engaging the positioning protrusions 8a formed at two locations on the outer periphery thereof with the engaging grooves 2d formed at the rear end of the holder 2 as shown in FIG. The engaging projections 8b and the engaging claws 8c formed on the outer periphery thereof are engaged with the engaging holes 2c formed on the outer periphery of the rear end portion of the holder 2, The terminal base 8 is engaged with and held in the rear end portion in the holder 2 as described above. Then, the cover 10 is attached to the terminal base 8 from behind.

  Here, as shown in FIG. 1, a rectangular opening 10a that fits around the outer periphery of the connector 8B of the terminal base 8 is formed in the lower part of the cover 10, and it is measured from the left and right of the upper part and the lower part of the front surface. Three engaging claws 10b project horizontally from the front. Then, the cover 10 engages the three engagement claws 10b with the three engagement holes 8d (see FIG. 8) formed in the back surface of the main body 8A of the terminal base 8, thereby FIG. 3 and FIG. Is attached to the rear end of the terminal base 8 as shown in FIG.

  As shown in FIGS. 3 and 4, a partition wall 2e is formed in the vicinity of the rear end portion in the holder 2. Between the partition wall 2e and the terminal base 8, the rubber bonded to each other is formed. The contact 6 and the circuit board 7 are accommodated.

  As shown in FIG. 1, the circuit board 7 is formed in a substantially disk shape, and two LEDs 13 that are light sources are juxtaposed in the lateral direction at the upper center in the width direction of the front surface. A single LED 14 that is also a light source is disposed below the LED 13. Fixed contact points 15 are arranged on the left and right sides of the upper part of the circuit board 7, and circular screw holes 7a are formed on the left and right sides of the lower part. The width of the circuit board 7 between these screw holes 7a. A total of eight insertion holes 7b are formed in the lower center of the direction. Further, a second cutout portion 7c having the same shape as the first cutout portion 8f formed in the terminal base 8 is formed on one side in the width direction on the upper side of the circuit board 7 (left side in FIG. 1).

  Thus, the circuit board 7 is applied to the front surface of the terminal base 8, and the screws 16 inserted from the front into the left and right screw holes 7 a formed in the lower portion of the circuit board 7 as shown in FIG. The terminal base 8 is attached to the front surface of the terminal base 8 by being screwed into the screw bosses 8e. When the circuit board 7 is attached to the terminal base 8 in this way, a total of eight connection terminals 11 held by the connector 8B are inserted into a total of eight insertion holes 7b formed in the circuit board 7.

  Large and small rectangular openings 6a and 6b are respectively formed above and below the central portion of the rubber contact 6 in the width direction (positions facing the LEDs 13 and 14 of the circuit board 7). And the switch part 17 is arrange | positioned in the right and left of this across the opening parts 6a and 6b of this rubber contact 6 (the place corresponding to the said fixed contact 15 arrange | positioned on the circuit board 7), Below the opening 6b of the rubber contact 6, a bag-like shape for avoiding interference between the total of the eight connecting terminals 11 provided on the connector 8B and the two right and left screws 16 for fixing the circuit board 7 is provided. The convex part 6c protrudes integrally.

  Here, the left and right switch portions 17 provided on the rubber contact 6 are formed in a dome shape, and a movable contact (not shown) is provided in the inside thereof, and the switch portion 17 is pressed to be movable (not shown). When the contact and the fixed contact 15 of the circuit board 7 come into contact with each other, they are conducted and the switch unit 17 is turned on.

  Further, a notch 6d that is similarly cut out so as to cover the side surface of the circuit board 7 is formed on one side in the width direction on the upper side of the rubber contact 6 (left side in FIG. 1). In the state in which the board 7 and the terminal base 8 are assembled in the holder 2 as shown in FIGS. 3 and 4, the circuit board 7 whose side face is covered with the first notch 8 f and the rubber contact 6 of the terminal base 8. The second cutout portions 7c communicate with each other as shown in FIG.

  The slider 5 is a member that is accommodated in the slider holding portion 2A of the holder 2 so as to be able to advance and retreat in the front-rear direction. 5a protrudes integrally along the longitudinal direction (front-rear direction). Further, as shown in FIG. 1, two engaging projections 5b (one only shown in FIG. 1) are integrally provided on the upper and lower sides of the left and right sides of the outer periphery of the front end portion of the slider 5, respectively. . Furthermore, rectangular engagement holes 5c that are long in the front-rear direction are formed on the rear end sides of the left and right sides of the slider 5 (see FIG. 3).

  In addition, as shown in FIGS. 1, 5 and 6, a rectangular cylindrical lens storage portion 5d is integrally formed along the front-rear direction at the center of the upper surface of the slider 5 in the width direction. A rectangular cylindrical light guide 5e is formed. In the first half of the lower portion of the slider 5, as shown in FIGS. 1 and 6, a through-hole 5f that opens to the front and left and right is formed. In addition, block-like switch operating portions 5g are integrally provided on the left and right of the upper rear end of the slider 5 so as to project rearward.

  Thus, the slider 5 has guide rails 5a formed on the upper, lower, left and right sides of the outer periphery thereof, as shown in FIG. 6, a total of four guides formed on the upper, lower, left and right of the inner periphery of the slider holding portion 2A of the holder 2. As shown in FIG. 3, the engagement holes 5 c formed on the left and right sides of the slider 5 are engaged with the grooves 2 a and the engagement holes 5 c formed on the left and right rear ends of the slider holding portion 2 A of the holder 2. By engaging the joint claw 2f, the slider 5 can slide back and forth in the slider holding portion 2A within a range in which the engagement claw 2f can move back and forth relative to the engagement hole 5c. Contained. At this time, as shown in FIG. 3, the switch operating portion 5g that is integrally protruded rearward on the left and right of the rear end of the upper end of the slider 5 has the left and right switch portions 17 disposed on the rubber contact 6, respectively. Abut. The light guide 5e of the slider 5 constitutes a light guide path that guides the light from the LED 14 to the front operation knob 3.

  By the way, as shown in FIG. 3, the holder 2 accommodates the coil antenna 4 having an elliptical ring shape for transmitting an activation radio wave for operating an external portable device owned by the driver. The coil antenna 4 is configured by winding an antenna wire 18 around a groove formed on the outer periphery of an elliptical ring-shaped bobbin 4A. As shown in FIGS. 1, 4, and 7, the coil antenna 4 is formed from the upper part of the bobbin 4A. The support portion 4B extends horizontally toward the rear. From the bobbin 4A, two right and left restricting portions 4C and a bracket-like locking portion 4D protrude horizontally from the rear, and each of the left and right locking portions 4D has a rectangular locking hole 4a. Each is formed.

  As shown in FIGS. 4 and 7, the first winding portion 4 b and the second winding portion 4 c are provided in the front-rear direction on the support portion 4 </ b> B integrally extending backward from the bobbin 4 </ b> A of the coil antenna 4. The first winding portion 4b and the second winding portion 4c are arranged at appropriate intervals, and the positive and negative poles extending backward from the bobbin 4A through the cut portion 4d shown in FIG. The two antenna wires 18 are wound together. Here, as shown in FIG. 7, the two antenna wires 18 are twisted together between the first winding portion 4b and the second winding portion 4c.

  Thus, as shown in FIGS. 3 and 4, the coil antenna 4 has an upper half of the bobbin 4A fitted into the inner periphery of the front end of the holder 2 and a lower half of the slider as shown in FIG. 5, the rear end surface of the bobbin 4 </ b> A is pushed rearward until it abuts against the antenna mounting step 2 g of the holder 2, so that the locking hole 4 a of the locking part 4 </ b> D is inserted into the locking hole 4 a of the locking part 4 </ b> D. The engagement protrusions shown in the figure engage and are fixed at the front end in the holder 2. When the coil antenna 4 is incorporated in the holder 2 in this way, the left and right restricting portions 4C of the coil antenna 4 are inserted into the insertion holes 2h of the holder 2, and the slider holding portion 2A is shown in FIGS. Therefore, the bending of the slider holding portion 2A around the engaging claw 2f around the engaging claw 2f is restricted, so that the engaging claw 2f can be reliably engaged with the engaging hole 5c of the slider 5. Alignment is maintained, and the slider 5 and the operation knob 3 fixed to the slider 5 are reliably prevented from falling off the holder 2. Further, as a result of the reliable engagement of the engagement claw 2f of the holder 2 with the engagement hole 5c of the slider 5 being maintained, the engagement allowance of the engagement claw 2f can be minimized, and the switch device The assembly of 1 is improved. Further, since the restriction portion 4C of the coil antenna 4 is mounted at the same time by assembling the coil antenna 4 to the holder 2, an effect of reducing the number of assembling steps can be obtained.

  When the coil antenna 4 is assembled in the holder 2, the coil antenna 4 extends rearward from the bobbin 4A and is wound halfway around the first winding portion 4b and the second winding portion 4c of the support portion 4B. As shown in FIG. 4, the antenna wire 18 extends rearward through a second notch 7c formed in the circuit board 7 and a first notch 8f formed in the terminal base 8. As shown in FIG. 8, the portion is directly connected to the connection portion 12 a at the tip of the connection terminal 12 protruding from the back surface of the terminal base 8. Accordingly, the coil antenna 4 is electrically connected to an external control unit (not shown) through the antenna wire 18, the connection terminal 12 of the terminal base 8 and the connection terminal 11 inserted and held in the connector 8B. The through hole 5f formed in the slider 5 allows the slider 5 to advance and retract in the front-rear direction by passing through a part of the bobbin 4A of the coil antenna 4.

  By the way, the disk-shaped operation knob 3 is fixed to the front end of the slider 5, and both slide together in the holder 2 along the front-rear direction. Here, as shown in FIG. 1, two engagement pieces 3A (only one is shown in FIG. 1) are provided horizontally on the left and right sides of the outer periphery of the operation knob 3, respectively, and projecting backward. Each engagement piece 3A is formed with a rectangular engagement hole 3a. Further, as shown in FIGS. 1 and 2, characters “START STOP ENGINE” are displayed on the surface of the operation knob 3, and an elongated opening window 3b that is long in the horizontal direction is displayed above these characters. Is formed.

  Thus, the operation knob 3 has the engagement piece 3A fitted on the outer periphery of the front end of the slider 5, and the engagement hole 3a formed in the engagement piece 3A projects from the outer periphery of the front end of the slider 5. By engaging the engaging protrusion 5b (see FIG. 3), the slider 5 is attached to the outer periphery of the front end. The operation knob 3 and the slider 5 assembled in this way are held so as to be able to advance and retract in the front-rear direction along the guide groove 2a formed in the slider holding portion 2A of the holder 2. When the operation knob 3 is not operated, the operation knob 3 is urged forward by the urging force of the switch portion 17 provided on the rubber contact 6, and the engagement knob formed on the slider holding portion 2 A of the holder 2. The engaging claws 2f are engaged with the end portions of the engaging holes 5c formed on the left and right sides of the slider 5 as shown in FIG.

  Here, in the lens housing portion 5d formed on the slider 5, a light guide elongated indicator lens 19 shown in FIG. 1 is fitted and housed as shown in FIG. Is fitted in the opening window 3 b formed in the operation knob 3 and is exposed together with the operation knob 3 in the vehicle interior of the vehicle. The rear end surface of the indicator lens 19 faces the two left and right LEDs 13 mounted on the circuit board 7. The LED 14 mounted on the circuit board 7 faces the light guide 5e of the slider 5, and the light emitted from the LED 14 passes through the inside of the light guide 5e and passes through the operation knob 3. Thus, the operation knob 3 is illuminated.

  By the way, when the operation knob 3 is fitted and fixed to the slider 5 and accommodated in the holder 2 as described above, the bezel 9 formed into a ring shape with resin is finally fitted into the outer periphery of the front end portion of the holder 2. Fixed. Here, as shown in FIG. 1, engaging pieces 9A are integrally projected rearwardly at four locations in the circumferential direction of the bezel 9, and each engaging piece 9A has a rectangular engaging hole 9a. Are formed respectively. Therefore, the bezel 9 is formed at four positions in the circumferential direction on the outer periphery of the front end portion of the holder 2 by fitting each engagement piece 9A into the outer periphery of the holder 2 from the front, and in the engagement hole 9a formed in each engagement piece 9A. Further, by engaging the engaging protrusion 2b, the holder 2 is fixed to the outer periphery of the front end portion.

  Here, the assembly procedure of the switch device 1 configured as described above will be described.

  When the switch device 1 is assembled, first, the indicator lens 19 is attached to the lens housing portion 5d of the slider 5, and then the slider 5 is inserted into the slider holding portion 2A of the holder 2 from the front. Next, the coil antenna 4 is inserted into the holder 2 from the front end, and the coil antenna 4 is abutted against the antenna mounting step 2g of the holder 2 to be positioned and fixed.

  Thereafter, the circuit board 7 is fixed to the terminal base 8 with screws 16, the rubber contacts 6 are mounted on the circuit board 7, and then the terminal base 8 is mounted on the rear end portion of the holder 2. At this time, the two antenna wires 18 extending rearward from the bobbin 4A of the coil antenna 4 are pulled out rearward through the second notch 7c of the circuit board 7 and the first notch 8f of the terminal base 8.

  Next, as shown in FIG. 8, the two antenna wires 18 drawn backward from the first notch portion 8 f of the terminal base 8 are wound around the connection portion 12 a at the tip of the contact terminal 12 of the terminal base 8. The cover 10 is attached to the rear end portion of the terminal base 8 and the rear end portion of the holder 2 is closed with the cover 10. When the operation knob 3 is finally fixed to the front end portion of the slider 5 and the bezel 9 covering the outer periphery of the operation knob 3 is attached to the outer periphery of the front end portion of the holder 2, the assembly of the switch device 1 is completed.

  Next, the operation of the switch device 1 according to the present embodiment, which is an engine start / stop switch configured as described above, will be described.

  When the driver does not operate the operation knob 3, the switch device 1 is in the non-operation state shown in FIGS. 3 and 4, and in this state, the switch device 1 protrudes horizontally at the rear end of the slider 5 that slides integrally with the operation knob 3. The pair of left and right switch operating portions 5g do not press the switch portion 17 of the rubber contact 6, and the movable contact of the switch portion 17 is not in contact with the fixed contact 15 on the circuit board 7 side. The switch unit 17 is in the OFF state.

  When the driver operates the operation knob 3 and pushes in the operation knob 3 from the above state, the pair of left and right switch operation portions 5g formed on the slider 5 that slides rearward together with the operation knob 3 is the switch portion of the rubber contact 6. In order to push in 17, the movable contact of each switch unit 17 comes into contact with the fixed contact 15 on the side of the circuit board 7, and both are conducted, and the two switch units 17 are simultaneously turned on. Note that light is emitted from the LED 13 on the circuit board 7 by pressing the operation knob 3 to turn on / off the switch portion 17, and this light is emitted from the indicator lens 19 mounted in the lens housing portion 5 d of the slider 5. The operation knob 3 is illuminated by emitting light from the opening window 3 b of the operation knob 3. At night, the LED 14 on the circuit board 7 is driven, and the illumination light emitted from the LED 14 reaches the operation knob 3 through the light guide 5e of the slider 5 and is displayed on the surface of the operation knob 3. Illuminate the letters.

  As described above, when the two switch portions 17 of the circuit board 7 are simultaneously turned on, the vehicle authentication device is configured such that the startup radio wave is not shown from the coil antenna 4 of the switch device 1 when the engine is stopped. Sent to a mobile device. Then, an electromotive force is generated in the portable device possessed by the driver by the coil portion in the transponder, and an ID signal is transmitted to the authentication device of the vehicle by the power.

  Next, the vehicle authentication device collates the ID code included in the ID signal received from the coil antenna 4 with the ID code stored in advance, and if both match, the authentication is OK and the engine can be started. Start the engine as a condition. When the engine is started, the engine is stopped when the two switch portions 17 of the switch device 1 are simultaneously turned on.

  Thereafter, when the driver releases his / her hand from the operation knob 3 of the switch device 1, the operation knob 3 returns to the original non-operation position shown in FIGS. 3 and 4 by the elastic restoring force of the switch portion 17 of the rubber contact 6. The switch operation portion 5g of the operation knob 3 is separated from the switch portion 17, and the switch portion 17 is turned off.

  As described above, according to the switch device 1 according to the present embodiment, the antenna wire 18 led out from the bobbin 4A of the coil antenna 4 has the second notch portion 7c formed in the circuit board 7 and the first formed in the terminal base 8. Since one notch 8f is passed through and directly connected to the connection terminal 12 of the terminal base 8, the number of soldering places by manual work can be reduced and the number of assembling can be reduced. In this case, since the antenna wire 18 can be connected to the connection terminal 12 by assembling the coil antenna 4 and the terminal base 8 to the holder 2 and then working from the rear side so that the components inside the holder 2 do not get in the way. Connection work such as soldering can be easily performed. In particular, in the present embodiment, even when the circuit board 7 is arranged on the front side of the terminal base 8 in the holder 2, the antenna wire 18 is passed through the second notch 7 c formed in the circuit board 7. Since it can be extended to the rear, the number of soldering points by manual work can be reduced to reduce the assembly man-hour, and connection work such as soldering can be easily performed from the rear side. it can.

  In the present embodiment, since the first winding portion 4b and the second winding portion 4c are provided on the support portion 4B formed on the bobbin 4A of the coil antenna 4, the first winding portion 4b and the second winding portion 4b are provided. The antenna wire 18 is extended to the rear side while winding the antenna wire 18 around the winding portion 4c, so that the antenna wire 18 is guided rearward in a state of being securely held along the support portion 4B with a simple configuration. Since the antenna wire 18 is reliably guided to the second notch portion 7c of the circuit board 7 and the first notch portion 8f of the terminal base 8, the antenna wire 18 is connected to the first notch portion 8f and the second notch portion 8f. The operation of penetrating the notch 7c is facilitated, and the assembly workability is improved. In the present embodiment, the positive and negative antenna wires 18 are wound together around the first winding portion 4b and the second winding portion 4c provided on one support portion 4B of the bobbin 4A. The antenna wire 18 having both positive and negative polarities can be held by one support portion 4B. For this reason, the bobbin 4A only needs to be provided with one support portion 4B, and the space occupied by the support portion 4B in the holder 2 can be reduced, so that the holder 2 can be downsized and the switch device 1 can be downsized. It becomes possible.

  Further, in the present embodiment, the first winding portion 4b and the second winding portion 4c are provided on the support portion 4B of the bobbin 4A, and the antenna wire 18 led out from the bobbin 4A is disposed between the two winding portions 4b and 4c. Since they are twisted together, the antenna wire 18 is prevented from being lifted from the support portion 4B, and the assembling property of the switch device 1 is improved.

  The switch device according to the present invention is not limited to this embodiment. For example, in the present embodiment, the circuit board 7 is provided and the fixed contact 15 and the LEDs 13 and 14 are provided on the circuit board 7. However, the fixed contact and the LED are provided directly on the terminal base 8, and the circuit is provided. The substrate may be omitted.

  Although the present invention has been described with respect to a mode in which the present invention is applied to a switch device as an engine start / stop switch, the present invention can be similarly applied to any other switch device having the same type of configuration. Of course.

DESCRIPTION OF SYMBOLS 1 Switch apparatus 2 Holder 2A Slider holding part of a holder 2a Guide groove of a holder 2b Engagement protrusion of a holder 2c Engagement hole of 2d Holder engagement groove 2e Partition of a holder 2f Engagement claw of a holder 2g Antenna mounting stage of a holder Part 2h Holder insertion hole 3 Operation knob 3A Operation knob engagement piece 3a Operation knob engagement hole 3b Operation knob opening window 4 Antenna holder 4A Antenna holder bobbin 4B Antenna holder support part 4C Antenna holder restriction part 4D Antenna holder locking portion 4a Antenna holder locking hole 4b Antenna holder first winding portion 4c Antenna holder second winding portion 4d Antenna holder notch portion 5 Slider 5a Slider guide rail 5b Slider engagement Projection 5c Slider engagement hole 5d Slider lens housing 5e Slider guide Guide 5f Slider through-hole 5g Slider switch operation part 6 Rubber contact 6a, 6b Rubber contact opening 6c Rubber contact convex part 6d Rubber contact notch part 7 Circuit board 7a Circuit board screw hole 7b Circuit board insertion Hole 7c Second notch of circuit board 8 Terminal base 8A Terminal base body 8B Terminal base connector 8a Terminal base positioning protrusion 8b Terminal base engagement protrusion 8c Terminal base engagement claw 8d Terminal base engagement hole 8e Terminal base screw boss 8f Terminal base first notch 9 Bezel 9A Bezel engagement piece 9a Bezel engagement hole 10 Cover 10a Cover opening 10b Cover engagement claws 11, 12 Connection terminal 12a Connection terminal connection Part 1 , 14 LED
15 Fixed contact 16 Screw 17 Switch part 18 Antenna line 19 Indicator lens

Claims (5)

A holder,
A switch mechanism housed in the holder so as to be operable from the outside;
A coil antenna disposed in the holder and formed by winding an antenna wire around a ring-shaped bobbin;
A terminal base that is attached to the rear end of the holder, and that electrically connects the coil antenna to an external control device, and a terminal base connected to the connector;
In a switch device comprising
A switch device, wherein a first notch is formed in the terminal base, and an antenna wire led out from a bobbin of the coil antenna is directly connected to a connection terminal of the terminal base through the first notch.   The bobbin is provided with a support portion that protrudes rearward to support the antenna wire, and the support portion is provided with a winding portion that winds the antenna wire led out from the bobbin halfway. Item 2. The switch device according to item 1.   3. The switch device according to claim 2, wherein one support portion is provided on the bobbin, and antenna wires having both positive and negative poles are wound around the winding portion provided on the support portion.   The switch device according to claim 3, wherein a plurality of the winding portions are provided on a support portion of the bobbin, and the antenna wire led out from the bobbin is twisted between two adjacent winding portions. A circuit board on which the contact part of the switch mechanism is arranged is arranged on the front side of the terminal base in the holder, a second notch is formed in the circuit board, and an antenna wire led out from the bobbin is provided in the second The switch device according to any one of claims 1 to 4, wherein the notch is passed through to the rear side.

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