JPH0515236U - Switch device - Google Patents

Abstract

(57) [Abstract] [Purpose] In a switch device, the thickness of the switch body is made as small as possible so that the mounting location of this device is not restricted. [Structure] Plate feelers 11 to 13 having a V groove for returning the switch knobs 2 and 3 between the switch knobs 2 and 3 and the upper surface of the switch body 1, and a compression spring 21.
Plungers 21c to 2 elastically supported by b to 23b
3c is provided. In addition, the holding force is provided on the side surfaces of the tips of the drive pieces 4 to 7 that are sandwiched by the knob claws 4 to 7a and 4 to 7b on the rear surfaces of the switch knobs 2 and 3 regardless of the rotation angle of the switch knobs 2 and 3. A curved rounded portion is provided so as to be constant.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a switch device that transmits the operation of a rotating switch knob to a movable piece of a switch mechanism in a switch body, and turns the switch mechanism on and off by linear reciprocating motion of the movable piece.

[0002]

[Prior Art]

 Conventionally, in a switch device such as a power seat, which is an in-vehicle device, a single switch knob slides the entire seat in the front-rear direction, or the seat cushion is moved up and down in parallel so that a certain axis is slid. There is a switch knob that rotates around the center.

FIG. 8 shows a cross section of a portion including a switch mechanism 63 that is turned on / off by rotating the switch knob 61 in the conventional switch device. The switch knob 61 rotates in the I-J direction in the figure. Similarly, the drive piece 62 fixed to the switch knob 61 is also rotated to operate the switch mechanism 63.

For this reason, a substantially circular hole 64a is formed in the main body case 64 so that the drive piece 62 can be rotated, and the operation of the drive piece 62 is performed on the lower surface of the base portion of the drive piece 62. A groove 62a for transmitting to the movable piece 63a of the switch mechanism 63 is provided, and the groove 62a is provided with a so-called "nige" so that the movable piece 63a can move linearly in the KL direction. ..

In order to guide the drive piece 62 and return the switch knob 61, a plunger 62c elastically supported by a spring 62b is provided on the upper surface of the base of the drive piece 62, while the main body case 64 has a back surface on the back surface thereof. , The V-groove 64b is inclined toward the drive piece 62 so that the plunger 62c is guided and the plunger 62c elastically supported is used to return to the original neutral position when the drive piece 62 rotates. Is formed.

[0006]

[Problems to be solved by the device]

 However, in such a conventional switch device, a V groove 64b for returning the drive piece 62 is formed obliquely on the back surface of the main body case 64, and a spring 62b elastically supports the V groove 64b below the V groove 64b. Since the plunger 62c is provided, the thickness of the main body case 64 becomes large, and there is a problem that the installation place of the device is restricted.

Therefore, the present invention has been made in view of the above problems, and provides a switch device in which the thickness of the main body case is made as small as possible so that the mounting location of the device is not restricted. With the goal.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, in the present invention, the operation of a rotating switch knob is transmitted to a movable piece of a switch mechanism provided in a switch body, and the linear reciprocating movement of the movable piece turns on the switch mechanism. -In the switch device to be turned off, a pair of knob claws provided on the back surface of the switch knob for sandwiching the drive piece and the tip of the pair of knob claws are sandwiched between the switch piece and the movable piece of the switch mechanism. A driving piece whose lower ends are connected to each other and which comes into contact with the pair of knob claws, and whose front end side surface is formed into a curved shape; The guide groove formed on the switch knob, the plate touching portion provided on the back surface of the switch knob and having the V groove formed on the surface facing the switch body, Provided, characterized by comprising a knob returning mechanism for returning the switch knob to the neutral position by abutting the plunger tip which is elastically supported by a compression spring in the V-groove of the plate touch unit.

[0009]

[Action]

 In the above configuration, the V groove for returning the switch knob and the plunger elastically supported by the compression spring are provided between the switch knob and the upper surface of the switch body. The need for a plunger is eliminated, reducing the switch body thickness.

Further, since the side surface of the tip of the driving piece that is clamped by the knob claw portion is formed in a curved shape, one point of the curved side surface is always in contact with the knob claw portion even when the switch knob is rotated. Therefore, the holding force becomes constant regardless of the turning angle of the switch knob.

[0011]

【Example】

 An embodiment of the switch device according to the present invention will be described below with reference to the drawings. FIG. 1 shows a top view of a switch device for a power seat of an in-vehicle device according to an embodiment.

Two switch knobs 2 and 3 that rotate are attached to the upper surface of the switch body 1, and the rotation operation of each of the switch knobs 2 and 3 will be described with reference to each built-in micro switch (described later) in the switch body 1. Hereinafter, long guide grooves 14 to 17 for guiding the drive pieces 4 to 7 are formed in order to convert and transmit the linear reciprocating motion to the switch mechanism).

The switch knob 2 linearly reciprocates in the direction A-B in the figure to instruct the switch mechanism, which will be described later, to slide the entire seat in the front-rear direction, while rotating in the direction C-D in the figure to move the seat cushion. The switch mechanism is instructed to move up and down the front end and rotate in the E-F direction in the figure to move up and down the rear end of the seat cushion. Therefore, on the back surface of the switch knob 2, a pair of knob claw portions 4a, 4b, 5a for sandwiching the driving pieces 4, 5, 6 for transmitting the operation of the switch knob 2 to the movable piece of the switch mechanism which will be described later. , 5b, 6a, 6b are integrally formed (see FIG. 2).

Also, the switch knob 3 is a switch for changing the reclining function, that is, the inclination angle of the seat back by rotating in the GH direction in the drawing around the protruding shaft 8 provided on the upper surface of the switch body 1. Instruct the mechanism. Therefore, the back surface of the switch knob 3 is rotatable with a pair of knob claws 7a and 7b for sandwiching the drive piece 7 for transmitting the operation of the switch knob 3 to a movable piece of a switch mechanism described later, and the protruding shaft 8. A cylindrical portion 9 that fits in the is integrally formed (see FIG. 4). In this figure, the states when the switch knobs 2 and 3 are operated are shown by broken lines. 2 to 4 show a section taken along line II-II, a section taken along line III-III, and a section taken along line IV-IV of the switch device shown in FIG. 1, respectively.

As shown in the drawings, in the switch body 1, switch mechanisms 24, 25, and 26 are provided below the switch knob 2, and a switch mechanism 27 is provided below the switch knob 3. Movable pieces 24a to 27a project from the mechanisms 24 to 27. The movable pieces 24a to 27a are connected to the drive pieces 4 to 7 described above, and each of the switch mechanisms 24 to 27 is operated by making a linear backward and forward movement.

Further, on the upper surface of the switch body 1, knob returning mechanisms 21 and 22 for returning the switch knob 2 and a knob returning mechanism 23 for returning the switch knob 3 are respectively provided. The knob return mechanisms 21 to 23 respectively have plungers 21c to 23c elastically supported by the compression springs 21b to 23b in the cylindrical portions 21a to 23a integrally formed with the switch body 1, respectively. -23c The tip is made to project from cylindrical parts 21a-23a.

In addition to the knob claws 5a and 5b, above the knob return mechanisms 21 to 23 on the back surface of each of the switch knobs 2 and 3, the operation of each of the switch knobs 2 and 3 is used to operate the plungers 21b to 21b. Plate feelers 11 to 13 having V grooves for pressing the tip of 23b are attached.

The V groove of the plate touching portion 11 is formed so as to return to the neutral position shown in the figure when the switch knob 2 moves in the A direction and the CD direction in FIG. The groove of the touching portion 12 is formed so as to return to the neutral position when the switch knob 2 moves in the E-F direction and the B direction in the figure (see FIG. 2).

The V groove of the plate touching portion 13 is formed so as to return to the neutral position when the switch knob 3 moves in the GH direction (see FIGS. 2 and 3). A seal rubber 31 is attached to the upper surface of the switch body 1 so that only the portions corresponding to the knob return mechanisms 21 to 23 and the guide grooves 14 to 17 are opened. Plays.

FIG. 5 shows the detailed configuration of the knob return mechanism 21, in which the plunger 21c is elastically supported by the compression spring 21b in the cylinder 21a. A stopper 21d for preventing the plunger 21c from coming off is provided on the side surface of the plunger 21c, and the lower surface of the stopper 21d is obliquely cut so that the plunger 21c can descend. A locking groove 21e that locks the pull-out preventing groove 21d is formed inside the cylindrical portion 21a that contacts the plunger 21c. The other knob return mechanisms 22 and 23 have the same structure.

As described above, in the present device, as shown in FIGS. 1 to 5, between the back surfaces of the switch knobs 2 and 3 and the upper surface of the switch body 1, the plate touching portions for returning the switch knobs 2 and 3 respectively. 11 to 13 and the plungers 21 to 23c elastically supported by the compression springs 21 to 23b are provided to effectively use the space of the switch knob back surfaces 2 and 3, so that such a plate is provided in the switch body. It is not necessary to provide a touch section or a plunger, and the thickness of the switch body 1 is reduced.

FIG. 6 is a perspective view showing the outer appearance of the drive piece 4 projecting from the guide groove 14. The side surface contacting the inner circumference of the guide groove 14 is formed flat, while the rear surface of the switch knob 2 is formed. Curved rounded portions 4c and 4d are formed on the side surfaces contacting the knob claws 4a and 4b (see FIG. 1).

The rounded portions 4c and 4d are provided with driving piece claw portions 4e and 4f for holding the vertical position of the driving piece 4, and the switch knobs that come into contact with the rounded portions 4c and 4d, respectively. The knob claw portions 4a and 4b on the back surface 2 are formed with knob claw groove portions 4g that fit with the driving piece claw portions 4e and 4f (see FIG. 2). Similarly, the other driving pieces 5 to 7 are also formed with rounded portions, driving piece claw portions, and knob claw groove portions.

Next, the operation of the switch knob 2 in the switch device configured as described above will be described with reference to FIG. FIG. 7A shows the operation of the drive piece 5 when the switch knob 2 linearly reciprocates in the AB direction, and FIG. 7B shows the drive operation when the switch knob 2 rotates in the CD direction. The operation of piece 4 is shown. As is clear from this figure, since the driving pieces 4 to 7 are formed with rounded portions 4 to 7c and 4 to 7d on the side surfaces which come into contact with the knob claws 4 to 7a and 4 to 7b, respectively. In this case, one point on the rounded portions 4 to 7c and 4 to 7d always comes into contact with the knob claw portions 4 to 7a and 4 to 7b, so that the holding force is maintained regardless of the turning angle of the switch knob 2. Is constant.

[0025]

[Effect of the device]

 As described above, in the present invention, the V groove for returning the switch knob and the plunger elastically supported by the compression spring are provided between the back surface of the switch knob and the upper surface of the switch body. Since it is not necessary to provide such a V groove or plunger, the thickness of the switch body is reduced.

Further, since the side surface of the tip of the driving piece is formed in a curved shape, one point of the side surface is always in contact with the knob claw portion, and the holding force is maintained regardless of the turning angle of the switch knob. Is constant.

[Brief description of drawings]

FIG. 1 is a plan view of a switch device for a power seat of an in-vehicle device, which is an embodiment of the present invention, viewed from above.

FIG. 2 is a sectional view taken along line II-II of the switch device in FIG.

FIG. 3 is a sectional view taken along line III-III of the switch device in FIG.

FIG. 4 is a sectional view taken along line IV-IV of the switch device in FIG.

FIG. 5 is a sectional view showing a detailed configuration of a knob return mechanism.

FIG. 6 is a perspective view showing the outer appearance of a drive piece protruding from a guide groove.

FIG. 7A is an explanatory view showing the operation of the drive piece when the switch knob makes a linear reciprocating motion, and FIG. 7B is an explanatory view showing the operation of the drive piece when the switch knob rotates.

FIG. 8 is a cross-sectional view including a switch mechanism that is turned on / off by rotating a switch knob in a conventional switch device.

[Explanation of symbols]

 1 Switch main body 2,3 Switch knob 4-7 Drive piece 4-7a, 4-7b Knob claw part 11-13 Plate touching part 14-17 Guide groove 21-23 Knob return mechanism 21a-23a Cylindrical part 21b-23b Compression spring 21c-23c Plunger 24-27 Switch mechanism

Claims (1)

[Scope of utility model registration request] 1. A switch device for transmitting an operation of a rotating switch knob to a movable piece of a switch mechanism provided in a switch main body, and turning the switch mechanism on and off by linear reciprocating motion of the movable piece. A pair of knob claw portions that are provided on the back surface of the switch knob and that clamp the driving piece, and a tip end that is clamped by the pair of knob claw portions, and a lower end that is connected to the movable piece of the switch mechanism, A driving piece having a curved side surface for contacting the knob claw portion; a guide groove linearly formed on the upper surface of the switch body so that the driving piece moves in accordance with the linear reciprocating motion of the movable piece; A plate touching portion provided on the back surface of the switch knob and having a V groove formed on a surface facing the switch body; and a plate touching portion provided on an upper surface of the switch body. Switching apparatus characterized by comprising a knob returning mechanism for returning the switch knob to the neutral position by abutment by a compression spring in the V-groove of the contact portion elastically supported plunger tip.