JP3850210B2 - Mounting structure of switch device for vehicle - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mounting structure for a vehicle switch device incorporating switches such as a blinker lamp switch and a washer switch.
[0002]
[Prior art]
A switch for electrical components such as a headlight, a blinker lamp, and a wiper operated by an operation lever is provided in the periphery of a steering shaft to which a steering wheel of an automobile is attached. In order to equip these switches, a switch device unit in which switches are incorporated in a switch body divided into one of the left and right sides of the steering shaft or the left and right is arranged. Generally, in order to mount the switch device unit on the vehicle side, a dedicated mounting member is provided on the column shaft or the like, and the switch device unit is fixed to the mounting member with a screw.
[0003]
[Problems to be solved by the invention]
Thus, conventionally, when a switch device unit for a vehicle is mounted on the vehicle side, a dedicated mounting member is provided on the column shaft or the like. Therefore, the whole unit becomes large, or the switch device unit is fixed with screws, so that the assembling property is poor, and an attachment member is required, so that the weight becomes heavy. Furthermore, after the steering wheel is assembled to the steering shaft, when replacing the switch device unit, the tool and the steering wheel interfere with each other, and the switch device unit mounting screw can be removed without removing the steering wheel. First of all, since the steering wheel was mounted again after the replacement (repair) of the switch device unit, the maintenance was also troublesome.
The present invention has been made in view of the above problems, and an object of the present invention is to provide a mounting structure for a vehicle switch device that can improve mounting performance and reduce the weight of components.
[0004]
[Means for Solving the Problems]
In order to achieve the above object, a vehicle switch device mounting structure according to the present invention includes a switch body incorporating switches for operating electrical components mounted on a vehicle, a steering lock for locking a steering shaft, and the steering lock. A cylindrical portion that is integrally attached and that passes through the steering shaft, a shaft portion that is provided on the outer peripheral surface of the cylindrical portion, an engagement portion that is provided on the outer peripheral surface of the cylindrical portion, and the switch body Provided on the switch body, and a claw part provided on the switch body and detachably attached to the engagement part, wherein the hook part of the switch body is connected to the shaft part. And the switch body is pivoted about the shaft portion to engage the claw portion with the engaging portion, thereby mounting the switch body on the cylindrical portion. It is obtained by way.
In this way, the switch body is engaged with the locking portion of the steering lock, the switch body is rotated around the locking portion, and the steering lock and the switch body are detachably connected and fixed, so that they are fixed with screws. Compared to the structure in which the switch body is mounted so as to be fitted perpendicularly to the mounting member, the mounting force can be reduced and the switch device unit can be easily mounted.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a vehicle switch according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a steering shaft 1 to which a steering wheel (not shown) of an automobile is attached and its periphery. A steering lock 2 that locks the steering shaft 1 is disposed on the periphery of the steering shaft 1. The steering lock 2 includes a key cylinder 3 and the like shown in FIG. 2 in addition to a lock mechanism for locking the steering wheel, and a cylindrical portion 4 that fits the steering shaft 1 with a gap at an upper portion thereof. Provided. In the present embodiment, the axial direction of the steering shaft 1 will be referred to as the front-rear direction , the vertical direction will be referred to as the upper and lower, and the horizontal direction will be referred to as the left and right, with the center of the steering shaft 1 in FIG.
[0006]
As shown in FIGS. 2 and 3, a cylindrical cancel cam 6 is fitted to the outer peripheral portion of the upper end of the cylindrical portion 4, and a cylindrical cam guide 7 is similarly fitted to the inner peripheral portion of the cancel cam 6. Are combined. The cancel cam 6 and the cam guide 7 serve to cancel the blinker lamp when the steering wheel is rotated.
As shown in FIGS. 4 and 5A to 5C, a pair of arm portions 8 and 9 are provided on the front outer peripheral portion of the cylindrical portion 4, and the arm portions 8 and 9 protrude to the front side of the vehicle. It consists of parts 8a and 9a and cylindrical shaft parts 8b and 9b which are provided at the tips of the parts 8a and 9a and are oriented parallel to the axis of the steering shaft 1. The shaft portions 8b and 9b are supported by the support portions 8a and 9a at substantially the middle portion thereof.
[0007]
As shown in FIG. 1, switch device units 10 and 11 are attached to the left and right sides of the cylindrical portion 4, respectively. One switch device unit 10 includes an operating lever 12 for a wiper or a washer switch, and a switch body 14 ( also referred to as a first switch body) that houses those switches and a mechanism for operating these switches. . The other switch device unit 11 includes an operating lever 13 for a headlight or a winker switch, and a switch body ( also referred to as a second switch body) 15 for housing those switches and a mechanism for operating these switches. Yes.
A flat surface 16 is formed at the rear portion of the cylindrical portion 4, and claw-like protrusions 17 and 18 having a quadrangular cross section protruding rearward are provided on the flat surface 16 as shown in FIGS . 4 and 6. A screw hole 19 is formed between them.
[0008]
As shown in FIG. 4, a spring plate (also referred to as a connecting member) 21 extending in the vehicle width direction is attached to the flat surface 16 via a screw hole 19 and a screw 20. In the spring plate 21, holes 22 and 23 having shapes corresponding to the protrusions 17 and 18 are formed at portions corresponding to the protrusions 17 and 18 of the flat surface 16, and formed at both left and right ends of the spring plate 21. Concave engaging portions 24 and 25 are formed in the widened portion. In a state where the spring plate 21 is attached to the flat surface 16, the protrusions 17 and 18 are fitted into the holes 22 and 23, thereby restricting the vertical and horizontal movement of the spring plate 21. The concave engaging portions 24 and 25 are formed so that claw portions 26 and 27 provided with triangular corners protruding rearward at the rear ends of the switch bodies 14 and 15 are engaged.
[0009]
As shown in FIG. 3, arm-shaped hook portions 28 and 29 curved in a J shape are provided on the base end sides of the switch bodies 14 and 15. The hook portions 28 and 29 correspond to the positions of the shaft portions 8b and 9b of the arm portions 8 and 9, and the hook portions 28 and 29 are pivotally supported on the outer peripheral surfaces of the shaft portions 8b and 9b. Is formed. The switch bodies 14 and 15 can be rotated about the shaft portions 8 b and 9 b by supporting the hook portions 28 and 29 . Further, slide plates 30 and 31 are provided on the rear end sides of the switch bodies 14 and 15. The slide plates 30 and 31 extend in a direction perpendicular to the axis of the steering shaft 1 and are fitted in slide grooves 32 and 33 formed in the cylindrical portion 4 so that the surfaces of the slide plates 30 and 31 slide. (See FIG. 4) . The upper and lower surfaces of the slide plates 30 and 31 are formed so that there is no gap between the slide grooves 32 and 33, and the movement of the switch device units 10 and 11 in the vertical direction can be restricted. The aforementioned claw portions 26 and 27 protrude rearward from the rear ends of the switch bodies 14 and 15.
[0010]
Next, an example of the order in which the switch device units 10 and 11 are assembled to the steering lock 2 will be described.
First, as shown in FIG. 2, the cancel cam 6 is assembled to the upper end portion of the cylindrical portion 4 provided in the steering lock 2, and then the cam guide 7 is assembled to the inner peripheral portion of the cancel cam 6. In addition, about the cylindrical part 4, you may assemble | attach to the steering lock 2 with a cylindrical part 4 as another member, for example with a screw (refer code | symbol 5), other fitting, etc., for example. Then, as shown in FIG. 4, the spring plate 21 is fitted into the protrusions 17 and 18 formed on the flat surface 16 with the holes 22 and 23 of the spring plate 21, and then the screw 20 is attached to the screw hole 19.
[0011]
In order to assemble the switch device units 10 and 11 to the steering lock 2, as shown in FIGS. 7A and 7B, one hooking portion 29 is hooked from the front side of the arm portion 9 to the shaft portion 9b. Let it pivot. Next, the switch device unit 11 is rotated clockwise with the shaft portion 9b as the central axis. Then, as shown in FIG. 7C, the slide plate 31 of the switch body 15 is inserted into the slide groove 33 of the cylindrical portion 4, and finally, as shown in FIG. 7D, the spring plate 21 and the switch body 15 are inserted. Are brought into contact with each other, and the claw portion 27 is engaged with the engaging portion 25 (see FIG. 6) . The spring plate 21 is urged toward the switch body 15 side. In this way, the switch device unit 11 is mounted on the cylindrical portion 4 by engaging the hook portion 29 of the switch body 15 with the shaft portion 9b and the claw portion 27 with the engagement portion 25 . The other switch device unit 10 can also be attached to the cylindrical portion 4 or the steering lock 2 in the same manner.
[0012]
When the slide plate 31 is fitted between the slide grooves 33, the switch device unit 11 is positioned more than the case where the switch device unit 11 is mounted at two places, that is, the hook portion 29 and the claw portion 31 , thereby preventing rattling. And can be securely attached with a simple configuration.
When the switch device units 10 and 11 are removed from the steering lock 2, the end portions of the spring plate 21 are pulled rearward to release the engagement between the engaging portions 24 and 25 and the claw portions 26 and 27 . It can be easily removed by the reverse operation when mounting.
[0013]
In this embodiment , the switch body mounting portion is formed in the cylindrical portion of the steering lock fitted to the steering shaft, and the switch body is mounted to the steering lock, so that a separate mounting member for mounting the switch body is unnecessary. Compared with the case where the mounting part is extended to the other part of the steering lock, there is no need to project the switch body mounting part from the main part of the steering lock, and the steering lock space is effective. The overall apparatus configuration can be reduced in size and the weight of the entire apparatus can be reduced.
[0014]
Further, engage the switch body to the shaft portion of the steering lock, and rotate the switch body around the shaft portion, by attaching the steering lock and the switch body removably, it is not necessary to fix with screws, the switch Compared with the structure in which the body is fitted vertically to the attachment member, the force at the time of attachment can be reduced, and the switch device unit can be easily attached. Furthermore, since the switch body can be removed without detaching the steering wheel, it can be easily replaced even if the switch device unit fails.
[0015]
Although the embodiments of the present invention have been described above, the present invention is of course not limited thereto, and various modifications and changes can be made based on the technical idea of the present invention.
For example, in the above-described embodiment, the protrusions 17 and 18 are formed on the flat surface 16 side, and the holes 22 and 23 are formed on the spring plate 21 side. The protrusions 17 and 18 may be fitted to each other. The shape and number of the protrusions 17 and 18 are not particularly limited as long as the spring plate 21 is locked to the flat surface 16. Similarly, the shape and number of the claw portions 26 and 27 and the engagement portions 24 and 25 are not particularly limited as long as they are locked.
Furthermore, although the protrusions 17 and 18 and the engaging parts 24 and 25 are connected by the spring plate 21, the protrusions and the engaging parts may be directly connected.
[0016]
【The invention's effect】
As described above, according to the present invention, while forming a locking portion of the switch body is engaged with the cylindrical portion of the steering lock, to form a shaft portion in the steering lock to form a hook portion to the switch body The hook portion and the shaft portion are detachably connected, the switch body is rotated around the shaft portion, and the engaging portion of the cylindrical portion is engaged with the hook portion of the switch body. Therefore, the switch device unit can be made smaller and lighter and easier than the case where a special mounting member is not provided on the column shaft or the like, and the mounting portion is extended to the other part of the steering lock. It can be attached and detached, and attachment workability can be improved.
Further, by forming the shaft portion as a steering lock and attaching it to the hooking portion of the switch body, it is possible to obtain a feeling of attachment and improve a sense of stability during assembly.
[Brief description of the drawings]
FIG. 1 is a plan view showing a state in which a switch device unit of the present invention is fixed to a cylindrical portion of a steering lock.
FIG. 2 is an exploded view of a switch device unit and a steering lock shown in FIG.
FIG. 3 is an exploded view of the switch device unit and the steering lock shown in FIG. 1;
4 is a perspective view of the steering lock shown in FIG. 1. FIG.
5A is a plan view of the tubular portion of the steering lock shown in FIG. 1, FIG. 5B is a front view of the tubular portion, and C is a cross-sectional view of the tubular portion along line YY in FIG. 5A. It is.
6 is a partial cross-sectional view in the XX line direction shown in FIG. 4;
FIGS. 7A to 7D are plan views showing the mounting order of the switch body to the cylindrical portion, and FIG. 7A is a state immediately before the hook portion of the switch body is engaged with the shaft portion of the cylindrical portion. , B is a state of engaging the hook portion to the shaft portion, C is a state of rotating the hook portion in the clockwise direction, D is showing a state of mounting the switch body to the tubular portion.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Steering shaft 2 Steering lock 4 Cylindrical part 8,9 Arm part 8b, 9b Shaft part 10,11 Switch apparatus unit 14,15 Switch body 17,18 Protrusion part 21 Connecting member (spring board)
22, 23 hole 24, 25 engaging part 26, 27 claw part 28, 29 hook part

Claims (3)

A switch body incorporating switches for operating electrical components mounted on the vehicle,
A steering lock that locks the steering shaft;
A cylindrical portion that is integrally attached to the steering lock and that is inserted through the steering shaft;
A shaft portion provided on the outer peripheral surface of the cylindrical portion;
A connecting member attached to the outer peripheral surface of the tubular portion ;
An engaging portion formed on the connecting member;
A hook portion provided on the switch body and rotatably locked to the shaft portion;
A claw portion provided on the switch body and detachable from the engaging portion;
The hook portion of the switch body is locked to the shaft portion, and the switch body is rotated around the shaft portion to engage the claw portion with the engaging portion, thereby the switch body is moved to the cylinder. A mounting structure for a switch device for a vehicle, characterized in that the mounting device is mounted on a shape portion. The switch body is composed of a first switch body and a second switch body, and the shaft portion is provided correspondingly,
2. The switch body is mounted on the tubular portion by engaging hook portions of the first switch body and the second switch body with the shaft portion and detachably connecting the hook portions. 2. A mounting structure of the switch device for a vehicle according to 1. A groove is provided on the outer peripheral surface of the cylindrical part,
Forming a slide plate on the switch body;
The mounting structure for a switch device for a vehicle according to claim 1 or 2 , wherein the slide plate is fitted into the groove portion when the switch body is attached to the cylindrical portion .

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