JP2000311554A - Switch device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent positional displacement of a pressing part of an operation knob from an opening part in a panel body. SOLUTION: This switch device is equipped with a panel body 1 having an opening part 10 therein, an operation knob 3 turnably supported in a cantilevered manner behind the panel body 1 so that a pressing part 30 is exposed from the opening part 10, and a switch body (switch) 2 working according to the pressing operation of the pressing part 30. A regulation part comprising a wall part 17 for turnably regulating the position of the operation knob 3 is provided in a position of the panel body 1 confronting a turning end part of the operation knob 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device for controlling and setting various devices, and more particularly to a switch device having a cantilevered operation knob which is rotated by a pressing operation of an operator.

[0002]

2. Description of the Related Art Conventionally, for example, an operating device for an air conditioner mounted in a vehicle interior incorporates a switch device for switching the operating state of the air conditioner and the like, and an operating knob exposed from an opening of a panel body. By pressing the switch, the switch arranged behind is operated, whereby the operation state can be switched.

[0003] The operation knob has a pressing portion exposed from an opening of the panel body and a spindle portion supported behind the panel body, and cantilevered with the spindle portion as a fulcrum by pressing operation of the pressing portion. A type in which a switch is rotated and pressed to operate the switch is often used. For example, Japanese Patent Publication No. Sho 62-17
No. 812, the support shaft also rotates with the pressing of the pressing portion, and as shown in Japanese Utility Model Publication No. 2-43057, the support shaft is fixed and elastically. The pressing part is roughly divided into a rotating part.

[0004]

However, in either type of switch device, the operating knob has a structure in which the pushing portion is cantilevered with the support shaft as a fulcrum. Since the portion is arranged so as to be freely movable, the opening of the panel body and the pressing portion are easily displaced from each other, which may impair the commercial value.

[0005] In particular, Japanese Patent Publication No.
Japanese Patent Application Laid-Open No. 2-17812 discloses a structure in which a support shaft portion is rotatably supported with a support shaft portion sandwiched between a pair of upper and lower case bodies. As a result, the position of the opening of the panel body and the position of the pressing portion are displaced, which may impair the merchantability.

SUMMARY OF THE INVENTION Accordingly, it is a main object of the present invention to provide a switch device capable of suppressing a displacement between an opening of a panel body and a pressing portion of an operation knob.

[0007]

In order to achieve the above object, the present invention provides a panel body having an opening, and a cantilever behind the panel body such that a pressing portion is exposed from the opening of the panel body. An operation knob rotatably supported, and a switch that operates in response to a pressing operation of the pressing portion, wherein the operation knob is turned at the panel body portion facing a turning end of the operation knob. It is characterized in that a restricting portion for restricting the position as possible is provided.

Further, the invention is characterized in that the restricting portion comprises a wall portion which engages with at least a part of the rotating end portion of the operation knob and guides the rotating end portion in response to the pressing operation. Features.

Further, the present invention is characterized in that the rotating end portion extends behind the panel body beyond the opening.

Further, the present invention has a panel body having an opening, a pressing part exposed from the opening of the panel body, and a spindle part supported by a holding part formed behind the panel body. An operation knob that cantileverly rotates about the spindle portion as a fulcrum by a pressing operation of the pressing portion, and a switch that operates in response to the pressing operation of the pressing portion, wherein the holding portion of the panel body is And a hook portion made of an elastic body that restricts the movement in the removal direction, and the support shaft portion, which is formed so as to protrude from a position that does not overlap with the hook portion and is not corresponding to the hook portion, is fitted to move in the removal direction. It is characterized by comprising a receiving portion for regulating, and a stopper portion continuously formed on at least one of the receiving portion and the hook portion, for regulating a movement of the support shaft portion in the fitting direction.

Further, according to the present invention, the operation knob has a hole formed between the support portion and the pressing portion, the hole being connected to the support portion, and the stopper portion is connected to the support portion through the hole. The operation knob is supported by the panel body so as to be located inside the portion.

Further, in the invention, it is preferable that the operation knob has a support shaft portion supported by a holding portion formed behind the panel body, and the pressing operation of the pressing portion cantilever the support shaft portion as a fulcrum. The holding portion of the panel body is formed by a rotating operation knob, and the holding portion of the panel body is formed by projecting a hook portion made of an elastic body that fits into the support shaft portion and restricts the movement in the removal direction, and protrudes rearward from a position that does not overlap with the hook portion. A receiving portion that fits into the support shaft portion that does not correspond to the hook portion and regulates the movement in the removal direction thereof, and the receiving portion or the hook portion that is continuously formed in at least one of the hook portion moves the support shaft portion in the fitting direction. And a restricting stopper portion.

[0013]

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

FIG. 1 is a front view of a switch device according to a first embodiment of the present invention applied to an operating device of a vehicle air conditioner, FIG. 2 is a cross-sectional view taken along line AA of FIG. FIG. 4 is a cross-sectional view taken along the line BB of FIG. 2, FIG. 4 is a front view of the operation knob showing a relationship between the operation knob and the restricting portion, and FIG. 5 is a perspective view showing a main part of the back surface of the panel body.

In FIG. 1, an operating device (switch device)
Has a panel body 1 facing the driver, on which three rotary switches SW1 to 3 and a push switch SW4 are provided.

The rotary switches SW1 to SW3 comprise an operation switch for selecting ON / OFF of an air conditioner, an operation mode (automatic / manual), and setting of an air volume in a manual operation; The rotary switch SW2 includes a rotary switch SW2 including a temperature switch for setting a temperature and a rotary switch SW3 including a changeover switch for setting an air-conditioning air outlet.
Reference numerals 1 to 3 respectively denote dial knobs NB on a rotating shaft (not shown) of a rotating switch arranged behind the panel body 1.
The driving state of the air conditioner as described above can be controlled by the driver rotating the rotation shaft through the dial knob NB.

In this embodiment, the push-type switch SW4 is a changeover switch for switching between the outside air introduction and the inside air circulation mode in the vehicle interior, and as shown in FIGS.
When the driver pushes a push-type switch body (switch) 2 disposed behind the panel body 1 through the operation knob 3, the switch body (switch) 2 is operated to switch between the outside air introduction and the inside air circulation mode. You can switch between them.

The panel body 1 is made of a box-shaped synthetic resin material having a bottom on the front side, and a dial is provided on the surface corresponding to the dial knob NB of the rotary switches SW1 to SW3 as shown in FIG. A mark M corresponding to the turning position of the knob NB is formed by laser marking, and an opening 10 for exposing the pressing portion is formed at a position corresponding to a pressing portion of the operation knob 3 which will be described later. A holding portion 11 for holding the support shaft portion is formed at a position corresponding to a support shaft portion 3 described later. In the present embodiment, the mark M is formed by laser marking. However, a plate on which the mark M is formed in advance is disposed on the panel body 1, or such a plate is formed on the panel body 1 by in-mold molding or insert molding. They may be formed integrally.

The switch body 2 and the rotary switch are electrically conductively fixed on a circuit board 4 disposed behind the panel body 1 at a predetermined distance from the panel body 1. The operation knob 3 is illuminated from behind the circuit board 4 on the circuit board 4. The light source 5 is also conductively fixed.

Between the switch body 2 and the operation knob 3,
When the driver presses the operation knob 3, the switch body 2
A push rod 6 for pressing and operating the push rod is disposed, and the push rod 6 is connected to the circuit board 4 and the panel body 1.
And is slidably held by an intermediate body 7 made of a synthetic resin that holds the panel body 1 on the circuit board 4.

As shown in FIG. 4, the operation knob 3 has a pressing portion 30 disposed so as to protrude forward from the opening 10 of the panel body 1 and a light-transmitting portion formed on the pressing portion 30. A design portion 31, a flange-like extension 32 extending from the pressing portion 30 through the step portion, and a pair of arm portions 33 extending from the extension 32 to the holding portion 11 side of the panel body 1.
And the holding portion 1 continuously formed on the distal end side of the arm portion 33.
1 and a hole 35 connected to the support shaft 34 formed by the connection of the support shaft 34 through a pair of arms 33.
4 is rotatably attached to the holding portion 11, so that the cantilever 4 is provided so as to be cantilevered with the support shaft 34 as a fulcrum.

The support shaft portion 34 is formed in a columnar shape extending between the pair of arm portions 33, while the holding portion 11 formed on the panel 1 for holding the support shaft portion 34 is
As shown in FIG. 5, a pair of hook portions 12 made of an elastic body into which the support shaft portion 34 is fitted, and a hook portion 12 formed so as to protrude from a position substantially at the center of the hook portions 12 not overlapping with the hook portions 12, are formed. A receiving portion 13 into which a substantially central portion of the unsupported support shaft portion 34 is fitted;
The support portion 3 and the support portion 3 are formed on both sides.
4 comprises a stopper portion 14 for restricting the movement of the support shaft portion 34 in the fitting direction when the fitting portion 4 is fitted.
The support shaft portion 34 is disposed on the receiving end side of the receiving portion 13 and the hook portion 12 through the through hole, and in this state, the operation knob 3 is moved along the plate surface direction of the panel body 3 so that the support shaft portion 34 The support shaft portion 34 is thereby sandwiched between the hook portion 12 and the receiving portion 13, and the vertical movement in FIGS. 2 and 3 is regulated.

Further, on the fitting end sides of the hook portion 12 and the receiving portion 13, a retaining portion 15 composed of protrusions projecting in mutually opposite directions is continuously formed, and the retaining portion 15 and the stopper portion 14 are formed.
Is positioned between the support shaft portion 34 and the support shaft portion 34.
2 and 3, the movement in the left-right direction is restricted. Note that the axial movement of the support shaft 34 is restricted by the side wall of the stopper 14 abutting against the inner wall of the arm 33.

An inclined portion is formed at the fitting end of each of the retaining portions 15 to guide and guide the support shaft portion 34 at the time of fitting, thereby improving the workability of fitting the support shaft portion 34.

A pair of grooves 36 corresponding to a guide wall, which will be described later, is formed at the pivotal end of the operation knob 3, which extends beyond the opening 10 and extends behind the panel body. As shown in detail in FIG. 2 to FIG. 4, the wall of one panel body facing the groove 36 engages with the groove 36 to regulate the position of the pressing portion 30 in the opening 10, and A guide wall portion (restriction portion) 16 extending behind the panel body 1 is formed so as to be able to rotationally guide the rotating end of the operation knob 3 that cantileverly rotates in response to the pressing operation of the wall 30. 1
6, the displacement of the pressing portion 30 with respect to the opening 10 is suppressed, and the rotation end of the operation knob 3 is guided and guided, whereby a stable rotation of the operation knob 3 is obtained. ing.

As described above, in this embodiment, the opening 10
, A control knob 3 supported in a cantilever manner behind the panel body 1 so that the pressing portion 30 is exposed from the opening 10 of the panel body 1, and a pressing operation of the pressing portion 30 A switch body (switch) 2 that operates in accordance with the operation knob 3, and a restricting portion including a wall portion 16 that restricts the position of the operation knob 3 so as to be rotatable at one position of the panel body facing the rotation end of the operation knob 3. Is provided, the positional deviation between the opening 10 of the panel body 1 and the pressing portion 30 can be suppressed, and the commercial value can be improved.

In this embodiment, the case where the support shaft portion 34 is rotated has been described. However, the present invention may be applied to a case where the support shaft portion is fixed and the pressing portion is rotated by elastic force. In the present embodiment, the case where the support shaft portion 34 is held by the panel body 1 has been described, but the holding object of the support shaft portion 34 and the holding method thereof are arbitrary.

In this embodiment, the regulating portion engages with at least a part (groove 36) of the turning end of the operation knob 3, and the wall 16 guides the turning end in accordance with the pressing operation. With this configuration, the rotation end of the operation knob 3 can be guided and guided by the wall 16, and the rotation of the operation knob 3 can be stabilized.

Further, in this embodiment, the extension portion serving as the rotating end extends beyond the opening 10 of the panel body 1 behind the panel body 1 and is positioned behind the panel body 1 by the wall 16. The position of the opening 1 is restricted by the wall 16.
The appearance can be enhanced without being exposed from zero.

In this embodiment, the panel body 1 having the opening 10, the pressing portion 30 exposed from the opening 10 of the panel body 1, and the holding portion 11 formed behind the panel body 1
An operation knob 3 having a support shaft portion 34 which is rotatably supported by the pressing portion 30, the operation knob 3 being cantilevered about the support shaft portion 34 by a pressing operation of the pressing portion 30, and a switch operated in response to the pressing operation of the pressing portion 30 The main body (switch) 2 is provided, and the holding portion 11 of the panel body 1 is provided with a hook portion 12 made of an elastic body that fits the support shaft portion 34 and regulates the movement in the removal direction, and a rear portion from a position not overlapping the hook portion 12. Receiving portion 13 which is formed so as to protrude from the support portion 34 and which does not correspond to the hook portion 12, and which restricts the movement of the receiving portion 13 or the hook portion 12.
And the stopper 14 which is formed on at least one of them and restricts the movement of the support shaft 34 in the fitting direction, so that the support shaft can be rotated between the pair of upper and lower case bodies as in the related art. As compared with the structure of supporting the
Is less likely to rattle in the holding state of the panel body 1, thereby suppressing displacement between the opening 10 and the pressing part 30 of the panel body 1,
Productivity can be enhanced. In addition, since the hook portion 12 and the receiving portion 13 constituting the holding portion 11 are structured to open in the plate surface direction (one direction) of the panel body 1, the support shaft portion 34 is moved in one direction along the plate surface direction. It can be fitted by moving, and assemblability can be improved.

In this embodiment, the single receiving portion 13 is located at the center between the pair of hook portions 12. However, if the support shaft portion 34 can be stably supported, the hook portion 12 and the receiving portion 13 can be formed. The number and their positional relationship are arbitrary.

In this embodiment, the hook portion 12 and the receiving portion 1
Although the stopper portions 14 are provided on both of the three, the stopper portions 14 may be formed on any one of them.

In the present embodiment, in particular, the hook 12, the receiving portion 13, and the stopper 14 support the support shaft together with the regulation of the rotation end of the operation knob 3 by the regulating portion (guide wall portion) 16. By adopting the stable holding structure of the part 34,
The displacement between the opening 10 of the panel body 1 and the pressing portion 30 can be reliably suppressed.

FIGS. 6 and 7 show a second embodiment and a third embodiment of the present invention, respectively. In FIG. 6, a wall 17 as a restricting portion for restricting the position of the rotating end of the operation knob 3 is turned. FIG. 7 shows a case in which a guide wall portion is housed so as to surround the moving end portion and guides the moving end portion.
6 shows a case in which a pair of protrusions 6 are formed according to the protruding portions 37 formed at the rotating end of the operation knob. In any case, the same effect as in the first embodiment can be expected.

FIG. 8 shows a fourth embodiment of the present invention. In this embodiment, a wall portion 17 serving as a regulating portion and a groove portion 36 engaging with the wall portion 17 are provided.
Are formed one by one, and the present embodiment can expect the same effects as those of the above embodiments.

[0036]

As described above, according to the present invention, a panel body having an opening and a cantilever supported behind the panel body so as to expose a pressing portion from the opening of the panel body. A regulating portion comprising an operation knob and a switch operated in accordance with a pressing operation of the pressing portion, and a restricting portion for rotatably restricting the position of the operation knob at a position of the panel body facing a rotating end of the operation knob. , The commercial value can be improved.

Further, according to the present invention, the restricting portion comprises a wall portion which engages with at least a part of the rotating end of the operation knob and guides the rotating end in response to the pressing operation. The operation of the operation knob can be stabilized.

Further, according to the present invention, the appearance can be enhanced by extending the rotation end portion behind the panel body beyond the opening.

According to the present invention, there is provided a panel having an opening, a pressing portion exposed from the opening of the panel, and a spindle supported by a holding portion formed behind the panel. An operation knob that cantileverly rotates about the spindle portion as a fulcrum by a pressing operation of the pressing portion, and a switch that operates in response to the pressing operation of the pressing portion, wherein the holding portion of the panel body is And a hook portion made of an elastic body that restricts the movement in the removal direction, and the support shaft portion, which is formed so as to protrude from a position that does not overlap with the hook portion and is not corresponding to the hook portion, is fitted to move in the removal direction. Productivity can be enhanced by comprising a receiving portion that regulates and a stopper portion that is formed continuously with at least one of the receiving portion and the hook portion and that regulates the movement of the support shaft portion in the fitting direction.

[Brief description of the drawings]

FIG. 1 is a front view of an operating device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG. 1;

FIG. 3 is a sectional view taken along the line BB of FIG. 1;

FIG. 4 is a front view of the operation knob showing a relationship between the operation knob and a restriction unit.

FIG. 5 is a perspective view showing a main part on the back side of the panel body.

FIG. 6 is a front view of an essential part showing a second embodiment of the present invention.

FIG. 7 is a front view of a main part showing a third embodiment of the present invention.

FIG. 8 is a front view of a main part showing a fourth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Panel body 2 Switch body (switch) 3 Operation knob 10 Opening 11 Holding part 12 Hook part 13 Receiving part 14 Stopper part 17 Wall part (restriction part) 30 Press part

Claims (6)

[Claims] 1. A panel body having an opening, an operation knob supported in a cantilever manner behind the panel body such that a pressing part is exposed from the opening of the panel body, and A switch that operates in response to a pressing operation, wherein the panel body portion opposing a rotating end of the operation knob,
A switch device provided with a restricting portion for restricting the position of the operation knob so as to be rotatable. 2. The control device according to claim 1, wherein the restricting portion comprises a wall portion which engages with at least a part of the rotating end of the operation knob and guides the rotating end in accordance with the pressing operation. The switch device according to claim 1. 3. The switch device according to claim 1, wherein the rotating end extends beyond the opening and behind the panel body. 4. The pressing portion having a panel body having an opening, a pressing portion exposed from the opening of the panel body, and a spindle supported by a holding portion formed behind the panel body. An operation knob that cantileverly rotates about the spindle portion by the pressing operation of the support portion, and a switch that operates according to the pressing operation of the pressing portion, the holding portion of the panel body is fitted with the spindle portion. A hook portion made of an elastic body for restricting the movement in the disengagement direction, and a support for projecting from the position not overlapping with the hook portion and projecting behind the shaft portion not corresponding to the hook portion to restrict the movement in the disengagement direction. And a stopper formed continuously with at least one of the receiving portion and the hook portion, the stopper portion restricting movement of the support shaft in the fitting direction. 5. The operation knob has a hole formed between the support shaft and the pressing portion, the hole being continuous with the support shaft, and the stopper is provided inside the support shaft through the hole. 5. The switch device according to claim 4, wherein the operation knob is supported by the panel body so as to be located at a position. 6. The operation knob has a spindle portion supported by a holding portion formed behind the panel body, and cantileverly rotates about the spindle portion by a pressing operation of the pressing portion. The holding portion of the panel body is formed of an operating knob, and the holding portion of the panel body is formed of a hook portion made of an elastic body that fits into the support shaft portion and regulates the movement of the hook portion, and the hook portion is formed so as to protrude backward from a position that does not overlap with the hook portion. A receiving portion that fits in the support shaft portion that does not correspond to and controls movement of the support shaft portion in a removal direction, and a stopper that is formed continuously with at least one of the receiving portion and the hook portion and that controls the movement of the support shaft portion in the fitting direction. The switch device according to any one of claims 1 to 3, further comprising a unit.