JP2014146433A - Holding member and switch device using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a holding member and a switch device using the same mainly used for controlling ON/OFF of a stop lamp of a vehicle, which are capable of precisely holding the switch and ensuring a reliable operation.SOLUTION: A holding member 13 is constituted of a holding member 11 having a substantially hollow cylindrical shape and a rotation member 12 having a substantially hollow cylindrical shape which is rotatably attached thereto below the holding member 11. A thread 12C at the inner periphery of the rotation member 12 is screwed with a thread 15B at the outer periphery of a cylindrical portion 15A of a switch 14, and plural projections 11E and concaves 12E are engaged on the inner periphery of the holding member 11 and the outer periphery of the rotation member 12 are engaged with each other to thereby screw the threads 15B and 12C with each other. Since the switch 14 is held by the holding member 13 by means of plural projections 11E and concaves 12E which are engaged with each other, the switch is precisely held ensuring a reliable operation.

Description

  The present invention relates to a holding member for a vehicle used mainly for control of extinction of a stop lamp when a brake pedal of an automobile is operated, and a switch device using the same.

  In recent years, a switch is mounted in the vicinity of the brake pedal by a holding member for controlling the stop lamp accompanying the operation of the brake pedal, turning on the stop lamp when depressing the brake pedal and turning it off when released. Various switch devices are used.

  Such conventional holding members and switch devices will be described with reference to FIGS.

  FIG. 5 is a perspective view of a conventional switch device. In FIG. 5, reference numeral 1 denotes a holding member, which is formed by fixing two holding bodies 1A and 1B made of an insulating resin in a substantially semi-cylindrical shape by press-fitting or the like. Yes.

  A pair of elastically deformable arm portions 1C are provided by substantially U-shaped slits formed on the side wall of the holding member 1, and at the root of the arm portion 1C on the inner periphery of the central insertion hole 1D, A pair of engaging protrusions 1E that protrudes in the opposite direction is formed.

  Reference numeral 2 denotes a switch, and a cylindrical portion 2B is provided below the substantially box-shaped insulating resin case 2A, and a plurality of concave and convex portions 2C having a substantially serrated shape are provided on the outer periphery of the cylindrical portion 2B at a predetermined interval. It is formed with.

  Further, in the cylindrical portion 2B of the case 2A, a magnet (not shown) and a magnetic detection means (not shown) such as a Hall IC, which are disposed facing each other with a predetermined gap, are housed. A plurality of terminals (not shown) connected to the magnetic detection means extend into the rectangular tube portion 2D.

  Further, the cylindrical portion 2B of the switch 2 is inserted into the insertion hole 1D of the holding member 1, and a plurality of concave and convex portions 2C on the outer periphery of the cylindrical portion 2B are engaged protrusions 1E on the inner periphery of the insertion hole 1D of the holding member 1. The switch device is configured in contact with the switch.

  Then, as shown in the perspective view of FIG. 6, the switch device configured in this manner first elastically deforms the pair of arm portions 1C in the through hole of the chassis 6 near the brake pedal 5 of the automobile. After being fixed, the cylindrical portion 2B of the switch 2 elastically contacts the engaging projections 1E with the cylindrical portion 2B of the switch 2 in the insertion hole 1D of the holding member 1, and the lower surface of the case 2A is on the upper surface of the holding member 1 It is inserted until it abuts.

  Further, when the brake pedal 5 is returned to a predetermined position while pressing the lower surface of the cylindrical portion 2B protruding from the lower surface of the holding member 1 with the upper surface of the magnetic body 7 fixed to the brake pedal 5, the cylindrical portion 2B is inserted into the insertion hole. 1D is moved upward, the engagement protrusion 1E comes into contact with the predetermined concavo-convex portion 2C, and the magnet in the cylindrical portion 2B is positioned in a state of facing the magnetic body 7 with a predetermined interval, and the switch 2 is attached to the holding member 1.

  In addition, a plurality of terminals extending into the rectangular tube portion 2D and connected to the magnetic detection means are electrically connected to a vehicle stop lamp, an electronic circuit (not shown), or the like by a connector or a lead wire (not shown). Connected to.

  In the state of the predetermined position where the brake pedal 5 is not depressed in this way, the magnet in the cylindrical portion 2B is close to the magnetic body 7, and the magnetism of the magnet is strong. The stop lamp is turned off when the means detects.

  In the above configuration, when the brake pedal 5 is depressed, the brake pedal 5 rotates about the rotation shaft 5A and the magnetic body 7 is separated from the switch 2, so that the magnetism of the magnet in the cylindrical portion 2B is weakened. When the magnetism detecting means detects the magnetic force of the magnetic field and the change in magnetism becomes a predetermined value or less, the stop lamp is turned on.

  That is, by depressing the brake pedal 5, the magnetic body 7 facing the magnet of the switch 2 is moved toward or away from the magnet, and the magnetism detection element detects a change in magnetism detected by the movement. The stop lamp is turned off and on.

  As prior art document information related to the invention of this application, for example, Patent Document 1 is known.

JP 2012-199047 A

  However, in the above conventional switch device, the concave and convex portion 2C on the outer periphery of the cylindrical portion 2B is brought into contact with one engagement protrusion 1E on the inner periphery of the insertion hole 1D to position the switch 2 on the holding member 1. Therefore, the switch 2 can be held by the holding member 1 only with an accuracy corresponding to the interval between the plurality of concave and convex portions 2C, and the gap between the magnet and the magnetic body 7 in the cylindrical portion 2B is likely to vary. There was a problem.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a holding member that can hold a switch with high accuracy and can be reliably operated, and a switch device using the holding member.

  In order to achieve the above-mentioned object, the present invention forms a holding member from a substantially hollow cylindrical holding body and a substantially hollow cylindrical rotating body rotatably mounted below the holding body, and a thread portion around the rotating body. The switch device is configured by engaging the threaded portion on the outer periphery of the cylindrical portion of the switch and fitting the plurality of convex portions and concave portions on the outer periphery of the holding body and the outer periphery of the rotating body. The switch is held to the holding member with high accuracy because the switch is held on the holding member by engaging the peripheral threaded parts and fitting multiple convex parts and concave parts formed at predetermined intervals. It is possible to obtain a holding member capable of various operations and a switch device using the holding member.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that it is possible to realize a holding member that can hold a switch with high accuracy and can be reliably operated, and a switch device using the holding member.

Sectional drawing of the switch apparatus by one embodiment of this invention Exploded perspective view Same perspective view Perspective view of the brake pedal A perspective view of a conventional switch device Perspective view of the brake pedal

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

(Embodiment)
FIG. 1 is a sectional view of a switch device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, and FIG. 3 is a perspective view thereof. In FIG. A holding body made of an insulating resin such as oxymethylene is formed by fixing two substantially semi-cylindrical holding materials 11A and 11B by press-fitting or the like. The claw portion 11C is provided.

  And the substantially U-shaped wall part 11D is provided in the downward inner periphery of the holding body 11, and several convex part 11E which protrudes inward is formed in this wall part 11D at predetermined intervals, A pair of projecting portions 11F projecting to the inner periphery is provided.

  Similarly, 12 is a rotating body made of an insulating resin having a substantially hollow cylindrical shape, and is formed by two substantially semi-cylindrical rotating members 12A and 12B being fixed by press-fitting or the like. A screw portion 12C is provided.

  Further, a substantially U-shaped groove 12D is provided on the upper outer periphery of the rotating body 12, and a plurality of recesses 12E are formed in the groove 12D at a predetermined interval, for example, at an interval of 36 degrees. The wall 11D is inserted, and the rotating body 12 is rotatably mounted below the holding body 11 to constitute the holding member 13.

  Reference numeral 14 denotes a switch, which is substantially box-shaped and is provided with a cylindrical portion 15A below a case 15 made of an insulating resin such as polybutylene terephthalate or polyoxymethylene, and a screw portion 15B on the outer periphery of the cylindrical portion 15A. A pair of recesses 15C is formed.

  Reference numeral 16 denotes a substantially semi-cylindrical or substantially prismatic magnet, such as a ferrite or Nd-Fe-B alloy, with an opening groove 16A formed in the center, the top and bottom surfaces being N and S poles, and the magnetic direction being up and down. A magnet 16 formed in the direction is mounted on the inner bottom surface of the cylindrical portion 15 </ b> A of the case 15.

  Reference numeral 17 denotes a wiring board such as paper phenol or glass-containing epoxy, and a plurality of wiring patterns (not shown) are formed on the front and rear surfaces by copper foil or the like. The detection means 18 is mounted and mounted, and is disposed opposite the magnet 16 with a predetermined gap in the opening groove 16A.

  Further, 19 is a substantially L-shaped terminal made of copper alloy or the like, 20 is a cover made of insulating resin, and the lower ends of the plurality of terminals 19 are mounted on the wiring board 17 by soldering or the like. The cover 20 covers the upper surface of the case 15, and the upper ends of the plurality of terminals 19 extend into the rectangular tube portion 20 </ b> A on the upper surface to constitute the switch 14.

  In addition, the cylindrical portion 15A of the switch 14 is inserted into the insertion hole 13A of the holding member 13, and the protruding portion 11F is inserted into the pair of recess portions 15C, and the screw portion 15B on the outer periphery of the cylindrical portion 15A is in the rotating body 12. The switch device is configured by meshing with the peripheral threaded portion 12C and the plurality of convex portions 11E on the inner periphery of the holding body 11 being fitted into the plurality of concave portions 12E on the outer periphery of the rotating body 12.

  And the switch apparatus comprised in this way is shown in the perspective view of FIG. 4, The iron etc. with which the magnet 16 in the cylindrical part 15A was fixed to the brake pedal 21 to the chassis 22 near the brake pedal 21 of a motor vehicle. Are mounted so as to face each other with a predetermined gap therebetween, and the upper ends of the plurality of terminals 19 are connected to a vehicle stop lamp or an electronic circuit (not shown) by lead wires, connectors (not shown) or the like. Etc.) etc.

  In order to mount the switch device on the chassis 22 in the vicinity of the brake pedal 21 as described above, first, the holding member 13 is fixed in the through hole of the chassis 22 and the pair of claw portions 11C of the holding body 11 are elastically deformed and fixed. After that, the cylindrical portion 15A of the switch 14 is inserted into the insertion hole 13A of the holding member 13, and the screw portion 15B on the outer periphery of the cylindrical portion 15A is rotated while rotating the rotating body 12 between the chassis 22 and the magnetic body 23. Engage with the screw portion 12C on the inner periphery of the rotating body 12.

  Then, when the rotating body 12 is rotated, for example, in the clockwise direction, the switch 14 in which the screw portion 15B is engaged with the screw portion 12C is guided, for example, downward in the insertion hole 13A while the recess portion 15C is guided by the pair of protrusion portions 11F. When the lower end of the cylindrical portion 15A approaches the upper surface of the magnetic body 23 and the rotating body 12 is rotated a predetermined number of times, the lower end of the cylindrical portion 15A comes into contact with the upper surface of the magnetic body 23 and the magnet 16 in the cylindrical portion 15A is magnetic. The body 23 is opposed to the body 23 with a predetermined gap.

  If the rotating body 12 is turned too much, the rotating body 12 is rotated in the opposite direction, for example, counterclockwise, and the switch 14 is moved upward to position the switch 14 at a predetermined position. To do.

  Further, at this time, as the rotating body 12 rotates, a plurality of concave portions 12E formed at predetermined intervals in the groove portion 12D on the outer periphery of the rotating body 12 are formed on the plurality of convex portions 11E on the inner peripheral wall portion 11D. The switches 14 are sequentially fitted so that the switch 14 is accurately positioned on the holding member 13 and is securely held at a predetermined position.

  That is, the screw thread 15B of the switch 14 and the screw thread 12C of the rotating body 12 are formed with a thread interval of, for example, 1.5 mm, and a plurality of recesses 12E on the outer periphery of the rotating body 12 are provided, for example, at intervals of 36 degrees. In this case, the switch 14 moves 1.5 mm downward by one rotation of the rotating body 12, but during this time, the convex portions 11E on the inner periphery of the holding body 11 are sequentially fitted into the ten concave portions 12E at intervals of 36 degrees. The switch 14 can be positioned at intervals of 1/10 while moving 1.5 mm, that is, in increments of 0.15 mm.

  Further, a plurality of convex portions 11E on the inner periphery of the holding body 11 are also provided with respect to the plurality of concave portions 12E on the outer periphery of the rotating body 12, and the plurality of concave portions 12E and the plurality of convex portions 11E are fitted so that the switch 14 is positioned at a predetermined position. Thus, even when a slight force is applied, the switch 14 and the holding member 13 are prevented from being displaced and can be reliably held.

  In the state where the brake pedal 21 is not depressed in this way, the magnet 16 in the cylindrical portion 15A is close to the magnetic body 23, and the magnet 16 has a strong magnetism. The stop lamp connected to the terminal 19 is turned off as detected by the magnetic detection means 18.

  In the above configuration, when the brake pedal 21 is depressed, the brake pedal 21 rotates about the rotation shaft 21A and the magnetic body 23 separates from the switch 14, so that the magnet 16 in the cylindrical portion 15A becomes weaker, When the magnetic detection means 18 detects the magnetic force of the magnetic field and the change in magnetism becomes a predetermined value or less, the stop lamp is turned on.

  That is, by depressing the brake pedal 21, the magnetic body 23 facing the magnet 16 of the switch 14 is moved in the direction of approaching or separating, and the magnetic change of the magnet 16 detected by the magnetism detecting means 18 along with this movement. Accordingly, the stop lamp is turned off and on.

  In the present invention, the screw portion 15B on the outer periphery of the cylindrical portion 15A of the switch 14 is meshed with the screw portion 12C on the inner periphery of the rotating body 12 that is rotatably mounted below the holding body 11, and the inner periphery of the holding body 11 By fitting the plurality of convex portions 11E with the plurality of concave portions 12E on the outer periphery of the rotating body 12, the switch 14 can be accurately positioned on the holding member 13 and can be securely held at a predetermined position. ing.

  That is, as described above, after fixing the holding member 13 to the chassis 22, the cylindrical portion 15A of the switch 14 is inserted into the insertion hole 13A, the rotating body 12 is rotated, and the outer periphery of the cylindrical portion 15A is connected to the screw portion 12C. By engaging the screw portion 15B, the switch 14 can be moved up and down simply by rotating the rotating body 12, and positioning can be performed easily. Even when some force is applied to the switch 14, the switch 14 is moved in the vertical direction. It is configured not to be displaced.

  Further, at this time, the plurality of recesses 12E on the outer periphery of the rotating body 12 are fitted to the protrusions 11E on the inner periphery of the holding body 11, so that the number of the plurality of recesses 12E is divided during one rotation of the rotating body 12. The switch 14 can be positioned with high accuracy at the intervals.

  Further, by providing a plurality of convex portions 11E on the inner periphery of the holding body 11 and fitting the plurality of convex portions 11E to the plurality of concave portions 12E, the holding force of the switch 14 is increased, and some force is applied by mistake. Even in such a case, the switch 14 and the holding member 13 are prevented from being displaced and can be reliably held.

  In the above description, the configuration in which the plurality of convex portions 11E are provided in the wall portion 11D on the inner periphery of the holding body 11 and the plurality of concave portions 12E in the groove portion 12D on the outer periphery of the rotating body 12 has been described. The present invention can also be implemented with a configuration in which a plurality of concave portions are provided on the inner periphery of the holding body 11 and a plurality of convex portions are provided on the outer periphery of the rotating body 12.

  As described above, according to the present embodiment, the holding member 13 is formed from the substantially hollow cylindrical holding body 11 and the substantially hollow cylindrical rotating body 12 rotatably mounted below the holding body 13. By engaging the screw portion 15B on the outer periphery of the cylindrical portion 15A of the switch 14 with the screw portion 12C on the inner periphery, and fitting the plurality of convex portions 11E and the concave portions 12E on the inner periphery of the holding body 11 and the outer periphery of the rotating body 12 The outer periphery of the cylindrical portion 15A and the screw portions 15B and 12C on the inner periphery of the rotating body 12 are engaged with each other, and a plurality of convex portions 11E and concave portions 12E formed at predetermined intervals are fitted to each other. Since the holding is performed, it is possible to obtain a holding member that can hold the switch with high accuracy without misalignment and can be reliably operated, and a switch device using the holding member.

  The holding member according to the present invention and the switch device using the same have the advantageous effect of being able to hold the switch with high accuracy and obtaining a device that can be reliably operated. This is useful for lighting control.

DESCRIPTION OF SYMBOLS 11 Holding body 11A, 11B Holding material 11C Claw part 11D Wall part 11E Protrusion part 11F Protrusion part 12 Rotating body 12A, 12B Rotating material 12C Screw part 12D Groove part 12E Recessed part 13 Holding member 13A Insertion hole 14 Switch 15 Case 15A Screw part 15B Part 15C Recessed part 16 Magnet 16A Opening groove part 17 Wiring board 18 Magnetic detection means 19 Terminal 20 Cover 20A Square cylinder part 21 Brake pedal 21A Rotating shaft 22 Chassis 23 Magnetic body

Claims (2)

A substantially hollow cylindrical holding body and a substantially hollow cylindrical rotating body rotatably mounted below the holding body, provided with a threaded portion on the periphery of the rotating body, and the outer periphery of the holding body and the outer periphery of the rotating body A holding member provided with a plurality of convex portions and concave portions. The holding member according to claim 1, and a switch in which a magnet and a magnetic detection means disposed opposite to the magnet are housed in a case in which a screw portion is formed on the outer periphery of the cylindrical portion, A switch device in which a threaded portion is engaged with a threaded portion on the periphery of a rotating body, and a periphery of a holding body and a plurality of convex portions and a recessed portion on the periphery of the rotating body are fitted.

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