JP2010160920A - On-vehicle switch unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an on-vehicle switch unit capable of easily and surely responding to specification change wherein a switching-off state can be normalized. <P>SOLUTION: In the on-vehicle switch unit designed to originally operate at an on-action by pushing and driving a swelling section 7a of a rubber-contact sheet member 7 via a slider 8 by an operation knob 5 at the time of an operation, an immobile slider 9 corresponding to the specification change for normalizing the switching-off state can be assembled instead of an existing slider 8. The immobile slider 9 has two pushed sections 9a wherein operating force in one direction and operating force in the other direction are alternatively given to operating knobs 5, two stopper projections 9b mounted on the rubber-contact sheet member 7 by hanging down from lower ends of respective pushed sections 9a, a stopper-side wall section 9d mounted on the rubber-contact sheet member 7 by forming in a ring shape surrounding the stopper projection 9b and swelling section 7a, and a shape 9e with an upper part cut off of the swelling section 7a. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an on-vehicle switch device suitable as a power window switch for automobiles, and more particularly to an on-vehicle switch that can easily meet a user's request to disable the opening / closing function of some (or all) windows. The present invention relates to a switch device.

  Generally, among in-vehicle switch devices mounted on the inner wall of an automobile door, for example, the in-vehicle switch device mounted on a driver side door includes a power window switch for opening and closing a window. Various switches are provided. In addition, at least a power window switch is also included in an in-vehicle switch device mounted on a passenger seat or a rear seat door.

  In such a power window switch provided in such an on-vehicle switch device, an operation knob that covers the upper opening of the housing is normally pivotally supported by the housing so that the operation knob can be swung. By pressing and driving the bulging part of the rubber contact sheet member, the movable contact provided in the bulging part comes into contact with the fixed contact of the wiring board and is turned on. The rubber contact sheet member is placed on the wiring board in the housing, and is mounted on the first bulging portion that is pressed and driven by a swinging operation (for example, a push operation) in one direction of the operation knob. The first slider and the second slider mounted on the second bulging portion that is pressed and driven by a swinging operation (for example, pulling operation) in the other direction of the operation knob can be moved up and down on the casing, respectively. It is supported by. When the operation knob is swung in one direction, the first slider pressed by the operation knob elastically buckles and deforms the first bulging portion, and the internal movable contact becomes a fixed contact. A predetermined switch-on signal (for example, a window opening command signal) is output upon contact. When the operation knob is swung in the other direction, the second slider pressed by the operation knob elastically buckles and deforms the second bulging portion, and the internal movable contact becomes a fixed contact. A predetermined switch-on signal (for example, a window closing command signal) is output upon contact (see, for example, Patent Document 1).

  By the way, for safety reasons and the like, there is a case in which the user requests a specification change to disable the opening / closing function of some (or all) windows of the automobile. For example, a specification change in which only the rear seat window cannot be opened or closed, or a specification change in which the rear seat and passenger seat windows cannot be opened or closed. When responding to such demands, the function of the power window switch mounted near the window that cannot be opened and closed is invalidated, and the corresponding power is also applied to the in-vehicle switch device on the driver's side where various switches are installed. The window switch function needs to be disabled. However, since the number of such requests is generally small, it is not realistic to increase the variety of in-vehicle switch devices in advance so that various requests for invalidation of the window opening / closing function can be dealt with in consideration of cost etc. Absent.

  Therefore, in order to easily meet such a user's request, for example, as shown in FIG. 7, this slider is used in place of the existing slider 51 mounted on the bulging portion 50a of the rubber contact sheet member 50. It is conceivable to incorporate a stopper member having a shape in which a protrusion 52 is suspended from the lower end of 51. That is, the stopper member having such a shape has substantially the same shape as the existing slider 51 that is pressed from above by the operation knob 53 during operation, but the protrusion 52 that hangs from the lower end of the stopper member is formed on the flat plate of the rubber contact sheet member 50. If it is mounted on the part 50b, the stopper member hardly moves down even if it is pushed into the operation knob 53 from above. Therefore, by simply replacing the slider 51 with the stopper member, the buckling deformation of the bulging portion 50a can be prevented even when the operation knob 53 is inadvertently operated. It is possible to disable the open / close function.

  In FIG. 7, reference numeral 54 denotes an attachment case that pivotally supports the operation knob 53, and the upper opening 54 a of the attachment case 54 is covered with the operation knob 53. Reference numeral 55 denotes a lower case, and a wiring board 56 on which a rubber contact sheet member 50 is placed is installed in a housing configured by combining the lower case 55 and the mounting case 54. A movable contact (not shown) provided in the bulged portion 50a is positioned above a fixed contact (not shown) disposed on the upper surface of the wiring board 56, and the bulged portion 50a is buckled and deformed. The movable contact is in contact with the fixed contact.

JP 2006-228525 A

  However, as a result of repeated investigations by the present inventors, even if the stopper member is incorporated in place of the existing slider 51 as shown in FIG. 7, an excessive operating force is applied to the operation knob 53 and the stopper member is moved upward. It is found that there is a risk that the protrusion 52 where the stress concentrates may crush the flat plate portion 50b of the rubber contact sheet member 50 or the protrusion 52 may be damaged. In this case, there is an increased possibility that the stopper member presses the bulging portion 50a and a switch-on signal is output. Consequently, the specification change using the stopper member is incomplete and satisfies the user's request. It becomes difficult to make it.

  The present invention has been made in view of such a state of the art, and an object of the present invention is to provide an in-vehicle switch device that can easily and reliably respond to a specification change that makes a switch-off state normal. There is.

  In order to achieve the above object, an in-vehicle switch device according to the present invention includes a casing having an upper opening, an operation knob pivotally supported by the casing and covering the upper opening, and a fixed contact. A rubber contact sheet member mounted on the wiring board having a wiring board installed inside the casing and an upward bulging portion in which a movable contact that can be contacted and separated from the fixed contact is provided. And a slider mounted on the bulging portion and supported by the casing so as to be movable up and down, and when operated, the operation knob presses and drives the bulging portion via the slider. And a non-moving slider that is adapted to a specification change that makes the switch-off state normal, and is incorporated in place of the slider, and the non-moving slider includes a pressed portion that can be pressed by the operation knob. This A stopper projection that is mounted on the rubber contact sheet member by hanging from the lower end of the pressed portion to the vicinity of the bulging portion, and a relief portion having a shape cut out above the bulging portion; did.

  In an in-vehicle switch device incorporating such a stationary slider in place of an existing slider, the stopper projection of the stationary slider is mounted on the rubber contact sheet member in the vicinity of the bulging portion. Even if a normal operating force is applied to the part from above, the stationary slider hardly moves down, and therefore the bulging part is not driven to be pressed. In addition, as a result of excessive operating force being applied to the operation knob and the stationary slider being pushed in from above, the stopper protrusion crushes the contact point of the rubber contact sheet member or the stopper protrusion is damaged. Even if the non-moving slider moves down undesirably, the non-moving slider can escape the bulging portion into the escaping portion, so there is no possibility that the bulging portion is pressed. Therefore, this on-vehicle switch device can always be kept in the switch-off state by incorporating the non-moving slider. In addition, the in-vehicle switch device can perform an original switching operation only by incorporating an existing slider in place of the stationary slider.

  In the above configuration, if the stationary slider has a stopper side wall portion that extends so as to surround the stopper protrusion portion and the bulging portion and is mounted on the rubber contact sheet member, the operation slider is used. Since the operating force applied to the stationary slider from above is distributed between the bottom surface of the stopper projection and the bottom surface of the stopper side wall, excessive stress concentration does not occur on the rubber contact sheet member, and the mechanical strength of the stationary slider Will increase. Therefore, it is preferable that when the stationary slider is strongly pushed in from above, problems such as the rubber contact sheet member being crushed or damaged due to plastic deformation are less likely to occur. Further, since the stopper side wall portion is mounted on the rubber contact sheet member around the stopper protrusion portion, the posture of the stationary slider can be stabilized.

  Further, in the above configuration, the non-movable slider includes two pressed portions to which an operation force in one direction and an operation force in the other direction are selectively applied to the operation knob, and the two pressed portions. If there are two stopper projections that individually hang from the lower ends of the two, and an annular stopper side wall that surrounds the two stopper projections and a plurality of bulges adjacent to the stopper projections When changing the specification to normalize the switch-off state, one stationary slider is incorporated in place of the existing two sliders that are alternatively pressed by the swinging operation in one direction of the operation knob and the other direction. Therefore, it is preferable to reduce the number of parts and improve the assembly workability.

  According to the on-vehicle switch device of the present invention, the stopper protrusion of the stationary slider incorporated in place of the existing slider is mounted on the rubber contact sheet member in the vicinity of the bulging portion provided with the movable contact. Even when a normal operating force is applied from above, the stationary slider hardly moves down, and thus the bulging portion is not pressed. In addition, when the stationary slider is strongly pushed in from above, the stationary slider is undesirably moved down by crushing the contact portion of the rubber contact sheet member or damaging the stopper projection. There is a possibility, but in this case as well, the stationary slider can escape the bulging portion into the escaping portion, so there is no possibility that the bulging portion is pressed. Therefore, this on-vehicle switch device can easily and reliably respond to a specification change that makes the switch-off state normal.

  Further, if the stationary slider has a stopper side wall portion that extends so as to surround the stopper protrusion and the bulging portion and is mounted on the rubber contact sheet member, it is excessive with respect to the rubber contact sheet member. Stress concentration does not occur, and the mechanical strength of the stationary slider increases, so even when the stationary slider is strongly pushed in from above, the rubber contact sheet is crushed or damaged by plastic deformation. It becomes difficult to cause such troubles.

1 is a cross-sectional view of an in-vehicle switch device according to a first embodiment of the present invention. It is a perspective view of the fixed slider shown in FIG. It is a perspective view which shows the modification of this fixed slider. It is a perspective view which shows the other modification of this non-moving slider. It is an external view of the vehicle-mounted switch apparatus which concerns on the example of 2nd Embodiment of this invention. It is a disassembled perspective view of the vehicle-mounted switch apparatus which concerns on the example of 2nd Embodiment. It is sectional drawing for demonstrating a conventional proposal.

  An embodiment of the invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of an in-vehicle switch device according to a first embodiment of the present invention, and FIG. 2 is a perspective view of a stationary slider shown in FIG.

  FIG. 1 is a longitudinal sectional view showing a part of an in-vehicle switch device mounted on an inner wall portion of a door on the driver's seat side of an automobile, and a power window switch for opening / closing a driver's seat window with an exterior panel omitted. 1 and a power window switch 10 corresponding to a passenger seat window. However, with respect to the power window switch 10 on the left side of the figure, since the specification has been changed to make the switch-off state normal, the opening / closing function of the passenger seat window is disabled. Although not shown in the figure, this on-vehicle switch device is provided with various switches including a power window switch corresponding to the rear seat window.

  The power window switch 1 on the right side of FIG. 1 includes a housing 2 in which a mounting case 3 and a lower case 4 are integrated by snap coupling or the like, and an operation knob 5 that can swing and cover an upper opening 3 a of the mounting case 3. A wiring board 6 installed substantially horizontally inside the housing 2, a rubber contact sheet member 7 placed on the wiring board 6 with dome-shaped bulges 7a at a plurality of locations, and a pair The slider 8 mounted on the bulging portion 7a and supported on the mounting case 3 so as to be movable up and down, and mounted on another pair of bulging portions (not shown) and supported on the mounting case 3 so as to be movable up and down. It is mainly composed of other sliders (not shown). However, the housing 2, the wiring board 6, the rubber contact sheet member 7, and the like are shared with the power window switch 10 on the left side of the figure.

  In the power window switch 1, a movable contact (not shown) provided in a bulging portion 7 a bulging upward from the flat plate portion 7 b of the rubber contact sheet member 7 is shown on the upper surface of the wiring board 6. When the bulging portion 7a is elastically buckled and deformed, the movable contact comes into contact with the fixed contact. In addition, an operation knob 5 on the right side of the figure is pivotally supported by the mounting case 3 and can swing in a direction perpendicular to the paper surface of FIG. 1, and the operation knob 5 can be swung in one direction (for example, a push operation). ), The drive unit 5a presses the slider 8, and the pair of bulges 7a are pressed and driven by the flanges 8a of the slider 8. When the bulged portion 7a that has been driven to drive is buckled and deformed, the internal movable contact comes into contact with the corresponding fixed contact, and a predetermined switch-on signal (for example, a window opening command signal) is output. . Similarly, when the operation knob 5 is swung in another direction (for example, a pull operation), the drive unit (not shown) presses the other slider, so that the bulge part (not shown) driven by the slider is pressed. Is buckled and a predetermined switch-on signal (for example, a window closing command signal) is output.

  Since the pair of bulging portions 7a are formed so as to buckle and deform with mutually different operating forces, when the operating force applied to the slider 8 via the operation knob 5 is light, one bulging portion When only 7a is buckled and the operating force is heavy, both bulging portions 7a are buckled and deformed. Therefore, two types of switch-on signals can be output according to the weight of the operating force.

  The power window switch 10 on the left side in FIG. 1 is the same as that described above except that one stationary slider 9 (see FIG. 2) is incorporated in place of the existing two sliders (for example, the slider 8). The structure is basically the same as 1. The non-moving slider 9 includes two pressed portions 9a to which an operation force in one direction and an operation force in the other direction are selectively applied to the operation knob 5 on the left side of the figure, and these two pressed portions. Two stopper projections 9b (only one is shown) mounted on the flat plate portion 7b of the rubber contact sheet member 7 by individually hanging from the lower end of 9a, and a connecting portion of the pressed portion 9a and the stopper projection 9b An annular shape that surrounds the upper wall 9c of a shape extending substantially horizontally, two stopper protrusions 9b, and a total of four bulges 7a (only two are shown) adjacent to the stopper protrusions 9b. It has a stopper side wall portion 9d that is formed and mounted on the flat plate portion 7b. Further, on the upper wall portion 9c of the non-moving slider 9, escape portions 9e each having a through hole are formed above each bulging portion 7a.

  Thus, in the power window switch 10 incorporating the stationary slider 9 in place of the existing slider, each stopper projection 9b and the annular stopper side wall 9d of the stationary slider 9 are mounted on the flat plate portion 7b of the rubber contact sheet member 7. Therefore, the stationary slider 9 hardly moves down regardless of which pressed portion 9a is subjected to a normal operating force from above via the operation knob 5. That is, the power window switch 10 does not have a risk of buckling deformation due to the bulging portion 7a being pushed and driven even when a normal operation force is applied to the operation knob 5, so that a switch-on signal is not generated under a normal use environment. It is never output.

  Further, the power window switch 10 also applies the operation force to the bottom surface of the stopper projection 9b and the stopper side wall portion 9d even when an excessive operation force is applied to the operation knob 5 and the stationary slider 9 is strongly pushed in from above. Therefore, excessive stress concentration on the flat plate portion 7b of the rubber contact sheet 7 does not occur. Therefore, even if the stationary slider 9 is strongly pushed from above, problems such as the rubber contact sheet member 7 being crushed as the plastic contact sheet 7 is plastically deformed or the stationary slider 9 being damaged are unlikely to occur. Is unlikely to move down like an existing slider. Even if a very strong force acts from above and the stationary slider 9 moves down undesirably, the stationary slider 9 may escape the bulging portion 7a into the escape portion 9e of the upper wall portion 9c. Therefore, the bulging portion 7a is not driven and buckled and deformed. In other words, the power window switch 10 is always maintained in the switch-off state because there is no possibility of a switch-on signal being output not only under normal use environment but also when an abnormally large force is applied from above. .

  As described above, the power window switch 10 of the on-vehicle switch device according to the present embodiment incorporates the non-moving slider 9 in place of the existing slider in order to realize a specification change that invalidates the window opening / closing function. . Since the non-moving slider 9 has the stopper projection 9b and the stopper side wall 9d mounted on the flat plate portion 7b of the rubber contact sheet member 7, the non-moving slider 9 is almost lowered even when a normal operating force is applied from above. Therefore, the bulging portion 7a of the rubber contact sheet member 7 is not pressed and driven. Further, even when the non-moving slider 9 is pushed in from above and is moved down undesirably, the non-moving slider 9 can escape the bulging portion 7a into the escaping portion 9e. Is not pressed. Therefore, the power window switch 10 can easily and reliably respond to the specification change that makes the switch-off state normal.

  In addition, when changing the specifications of the power window switch 10, one stationary slider 9 is used instead of the existing two sliders that are alternatively pressed by a swing operation in one direction and the other direction of the operation knob 5. Since it only needs to be assembled, the assembly workability is good and the burden on the cost is small. The stationary slider 9 has a stopper side wall 9d that extends annularly around the two stopper projections 9b. The stopper projection 9b and the stopper side wall 9d are connected to the flat plate of the rubber contact sheet member 7. Since it is mounted on the portion 7b, the stress on the flat plate portion 7b can be dispersed and plastic deformation of the rubber contact sheet member 7 can be easily avoided, and the mechanical strength of the stationary slider 9 is high and is not easily damaged. Furthermore, the posture of the stationary slider 9 on the rubber contact sheet member 7 is also extremely stable.

  The power window switch 10 described above can perform an original switching operation as long as an existing slider (for example, the slider 8) is incorporated in place of the non-moving slider 9.

  Further, the power window switch 10 incorporates a stationary slider 9 in which two pressed portions 9a to which an operation force in one direction and an operation force in the other direction with respect to the operation knob 5 are alternatively applied are arranged in parallel. However, as shown in FIG. 3, a configuration may be adopted in which two stationary sliders 90 having a shape obtained by dividing the stationary slider 9 into two parts are incorporated. Alternatively, as shown in FIG. 4, it is also possible to adopt a configuration in which two stationary sliders 91 having a shape in which the stopper side wall 9d is omitted from the stationary slider 90 are incorporated.

  FIG. 5 is an external view of an in-vehicle switch device according to a second embodiment of the present invention, FIG. 6 is an exploded perspective view of the in-vehicle switch device, and parts corresponding to those in FIG. 1 and FIG. Therefore, overlapping description will be omitted as appropriate.

  The on-vehicle switch device shown in FIG. 5 and FIG. 6 is generally configured by attaching one power window switch 11 to the exterior panel 12, and is mounted on the inner wall of the door on the rear seat side of the automobile. is there. The power window switch 11 is originally designed so that the window of the door can be opened and closed. However, in the present embodiment, the stationary slider 9 is incorporated in place of the existing slider, so that the power window switch 11 can be opened. The specification has been changed to make the switch-off state normal (invalidate the window opening / closing function).

  The power window switch 11 includes a housing 2 in which the mounting case 3 and the lower case 4 are integrated by snap coupling or the like, an operation knob 5 that is pivotally supported by the mounting case 3 and covers the upper opening 3a, A wiring board 6 installed substantially horizontally inside the housing 2, a rubber contact sheet member 7 mounted on the wiring board 6 with bulging parts 7a at four locations, and the vicinity of the bulging parts 7a And the non-moving slider 9 mounted on the rubber contact sheet member 7. A pair of support shafts 3 b that are inserted into the shaft holes 5 b of the operation knob 5 are projected from the upper end portion of the mounting case 3, and these support shafts 3 b serve as the rotation shaft of the operation knob 5. In addition, a plurality of engagement protrusions 3 c that are snap-coupled to the inner wall portion of the exterior panel 12 protrude from the outer wall portion of the mounting case 3. Further, terminal portions 6a and fixed contacts (not shown) are arranged on the wiring board 6, and the rubber contact sheet member 7 is formed with a bulging portion 7c that covers the terminal portions 6a.

  An opening 12a for exposing the operation knob 5 of the power window switch 11 is formed on the upper surface of the exterior panel 12, and a blind panel 13 is attached to one end of the opening 12a. In the power window switch 11, the casing 2 is fixed to the exterior panel 12, and the operation knob 5 exposed to the opening 12 a is originally swingable, but the stationary knob 9 cannot swing the operation knob 5. Therefore, even if an operation force is applied to the operation knob 5, the bulging portion 7a does not buckle and no switch-on signal is output.

  The stationary slider 9 in the second embodiment is the same as that in the first embodiment described above. That is, the non-moving slider 9 shown in FIG. 6 includes two pressed portions 9a to which an operating force in one direction and an operating force in the other direction with respect to the operation knob 5 are alternatively applied, and the two pressed portions. Two stopper projections (not shown) that are individually hung from the lower end of the pressing portion 9a and are mounted on the flat plate portion 7b of the rubber contact sheet member 7, and a connecting portion between the pressed portion 9a and the stopper projection portion. An upper wall portion 9c having a shape that extends substantially horizontally, and a stopper side wall portion 9d that is formed in an annular shape and surrounds the two stopper projections and the four bulging portions 7a, and is mounted on the flat plate portion 7b. In the upper wall portion 9c, escape portions 9e are formed above the bulge portions 7a.

DESCRIPTION OF SYMBOLS 1,10,11 Power window switch 2 Housing | casing 3 Mounting case 3a Upper opening 4 Lower case 5 Operation knob 6 Wiring board 7 Rubber contact sheet member 7a Expansion part 7b Flat plate part 8 (Existing) Slider 9, 90, 91 Immobility Slider 9a Pressed part 9b Stopper projection part 9d Stopper side wall part 9e Escape part 12 Exterior panel

Claims (3)

A housing having an upper opening, an operation knob pivotally supported by the housing and covering the upper opening, a wiring board having a fixed contact and installed inside the housing, and the fixed contact A rubber contact sheet member mounted on the wiring board having an upwardly bulging portion that has a movable contact that can be contacted and separated from and can be moved up and down on the casing Is applied to a vehicle-mounted switch device that is turned on when the operation knob presses and drives the bulging portion via the slider.
Instead of the slider, a non-moving slider corresponding to the specification change that makes the switch-off state normal is incorporated. A vehicle-mounted switch device comprising: a stopper projection that hangs down in the vicinity of the bulging portion and is mounted on the rubber contact sheet member; and a relief portion that is cut out above the bulging portion. .   2. The fixed slider according to claim 1, wherein the stationary slider has a stopper side wall portion that extends so as to surround the stopper protrusion and the bulging portion and is mounted on the rubber contact sheet member. A vehicle-mounted switch device.   3. The fixed slider according to claim 2, wherein the non-moving slider includes two pressed parts to which an operation force in one direction and an operation force in the other direction with respect to the operation knob are alternatively applied, and the two The two stopper projections individually hanging from the lower end of the pressed portion, and the annular stopper sidewalls surrounding the two stopper projections and the plurality of bulging portions adjacent to the stopper projections; A vehicle-mounted switch device comprising:

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