JPH0611238U - switch - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a switch with low operation noise and excellent quietness. [Configuration] The mounting opening 20 of the switch case 6,
When the portion of the operating body 10, 12, 16 which is inserted into the mounting opening 20 swings below the edge portion of the operating body 10, 12, 16 which is orthogonal to the swinging direction, the swinging portion contacts the swinging portion. A switch is formed in which a stopper 26 that contacts and limits the swing range is formed, and most of the collision sound generated at the time of contact is kept in the switch case 6 so that the operation sound is reduced.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a switch which is preferably used for a power window switch of an automobile, for example.

[0002]

[Prior art]

 For example, as shown in FIG. 5, a power window switch of an automobile includes a switch case 40, an operation knob 42 swingably attached to a mounting opening 41 portion on the upper surface of the switch case 40, and a lower portion of the operation knob 42. It is composed of an operating portion 43 which is integrally provided and projects into the switch case 40, and a switch element 44 which is provided in the switch case 40 and is operated by the operating portion 43 by the swinging operation of the operating knob 42. There is. By pushing down one end side and the other end side of the operation knob 42, the switch element 44 is actuated by the actuating portion 43, and the window open and window close signals are output respectively.

The swing range of the operation knob 42 is restricted to a size that allows the switch element 44 to operate and is not damaged by excessive operation. The lower ends 42a and 42b of the one end side and the other end side are in contact with the surface of the switch case 40, whereby the swing range is restricted.

[0004]

[Problems to be solved by the device]

 However, when the swing range is regulated by the lower ends 42a and 42b of the operation knob 42 being brought into contact with the outer surface of the switch case 40 as described above, the collision sound at the time of contact is large, and the switch as a whole is in contact. There was a problem that it was very annoying in a car where the operation sound of was quiet.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a switch with low operation noise and excellent quietness.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, in the present invention, a switch case having a mounting opening formed therein, a switch element provided in the switch case, and a swingable mounting at a mounting opening portion of the switch case, A switch provided with an operating body that operates a switch element in the switch case by being operated, wherein a lower portion of an edge portion of the mounting opening of the switch case located on a side orthogonal to a swinging direction of the operating body. A stopper is provided on the stopper, and when the portion of the operating body that is inserted into the attachment opening swings, the stopper comes into contact with the portion to regulate the swing range.

[0007]

[Action]

 According to the above configuration, during operation, the portion of the operating body that is inserted into the mounting opening swings and abuts a stopper formed below the edge of the mounting opening to regulate the swing range.

Most of the collision sound generated at the time of contact is kept in the switch case, and the sound reaching the outside is reduced.

Further, since the exclusive stopper is provided, the portion inserted into the mounting opening of the operating body during operation can be stably received by the stopper.

[0010]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

The switch according to the embodiment of the present invention will be described by being applied to a power window switch of an automobile.

FIG. 1 is a plan view of a switch device including a power window switch and a door lock switch according to an embodiment of the present invention, FIG. 2 is a side sectional view thereof, and FIG. 3 is a front portion of the power window switch. FIG.

Referring to FIG. 1, the switch device S is provided on the side of the door on the driver's side so that the driver can easily operate it, and the driver's seat is convenient for the driver's operation. There is one door lock switch 2 that is commonly used to open and close the doors on both the front and rear seat sides of the passenger seat and the passenger seat, and on each of the seats. There are four power window switches 3 provided individually corresponding to each window for opening and closing the window.

Referring to FIG. 2, the switch device S includes a circuit board 5, a switch case (attached portion) 6 is mounted on the circuit board 5, and a vessel 7 is provided on the switch case 6. The cover 8 is attached to each of the lower parts of the basic structure, and the door lock switch 2 and the power window switch 3 are provided at predetermined positions of the basic structure, which will be described later. It is arranged.

Next, the configuration of the power window switch 3 will be described. To facilitate understanding of this explanation, in FIG. 2, the left power window switch 3 shows a cross section of the insertion hole 24 portion of the switch case 6, and the right power window switch 3 shows the touch plate 25 portion. A cross section is shown.

Reference numeral 10 denotes an operation knob as an operation portion, and a tubular shaft support portion 12 is provided at a lower portion of the operation knob 10 so as to project downward at a slightly rear side thereof. The shaft support 12 has a substantially square shape in plan view, has a rectangular tube space 13 that is open downward, and has a pair of shaft support holes 14 formed on both outer surfaces thereof. A downward extending portion 16 as a switch operating portion is integrally provided on the side wall, and a locking recess 18 for operating the switch element is provided at a lower end thereof. Further, a tubular body 15 is provided in the rectangular tubular space 13 of the shaft support portion 12, and a tactile body 17 as a tactile contact portion is mounted in the tubular body 15 via a coil spring 19. Each of the operation knob 10, the shaft support 12, and the extension 16 constitutes an operation body.

On the other hand, a mounting opening 20 for the operation knob 10 is provided on the surface of the switch case 6 so as to be surrounded by the rising wall portion 21. A pair of protrusions 22 for shaft support are integrally provided on the inner surfaces of both sides of the rising wall portion 21, an insertion hole 24 is provided on one side of the bottom portion in the mounting opening 20, and a touch member is provided at the center of the bottom portion. The touch plate 25 is detachably attached.

Then, on the inner surfaces of the front and rear portions of the rising wall portion 21 facing the insertion hole 24 of the mounting opening 20, a pair of abutting portions for the extension portion 16 are formed during the operation having the characteristic configuration of the present invention. The stopper surface 26 is formed in a tapered shape. A detailed description of the structure, action, and the like of the stopper surface 26 will be given in the operation explanation part described later.

The operation knob 10 having the shaft support 12 integrated therein is attached to the mounting opening 20 so as to be rockable in a state where the shaft support projections 22 are elastically fitted into the shaft support holes 14 from the outside. To be In this mounted state, on the one hand, the extension 16 projects below the switch case 6 through the insertion hole 24, and on the other hand, the tactile body 17 elastically contacts the upper surface of the tactile plate 25.

FIG. 4 is an enlarged perspective view showing the tactile body 17 and the tactile plate 25. Both the tactile body 17 and the tactile plate 25 have a wide width a. The contact pressure is low and the wear is reduced.

The switch element 30 is mounted on the circuit board 5, and an operated portion 28 is provided on the upper surface of the switch element 30 so as to be capable of sliding movement. Then, the engaging recessed portion 18 of the extending portion 16 is engaged with the operated portion 28.

Next, the operation of the above embodiment will be described.

When the operation knob 10 is not operated, the shaft support portion 12 is urged upright by the elasticity of the operated portion 28 of the switch element 30. Then, when the front side (left side in FIG. 2) of the operation knob 10 is pushed, the operation knob 10 is swung so that the front side is lowered, and the operated recessed portion 18 slides the operated portion 28 rearward, whereby An open signal is output from the switch element 30 to the drive mechanism of the corresponding window. When the operation knob 10 is swung, the tactile body 17 moves on the tactile plate 25 while elastically contacting it, so that the operation knob 17 is smoothly operated and a good operation feeling is obtained.

Further, the swing of the operation knob 10 is stopped when the rear end surface of the extending portion 16 contacts the stopper surface 26. The stopper surface 26 is provided so as to define the swinging range of the extending portion 16, and when the locking recessed portion 18 of the extending portion 16 moves the operated portion 28 to operate the switch element 30 by swinging. , The switch element 30 is operated, and an appropriate swing range is obtained so as not to damage the switch element 30 by excessive operation.

Since the stopper surface 26 is provided at the lower part of the edge portion of the mounting opening 20 on the side orthogonal to the swing direction of the operation knob 10, most of the collision sound generated at the time of contact is generated by the switch. The sound that reaches the outside is kept in the case 6 and the operation sound as a whole is reduced, and the collision sound is softened by the structure in which the extending portion 16 and the stopper surface 26 are in surface contact. The operation sound is reduced. Also, by providing a dedicated stopper such as the stopper surface 26, the rocking stop is stably performed, and as a result, a strong switch that is not damaged even when operated by a larger force is provided. can get. In the case of the type in which the operation knob 10 is operated by pulling up the operation knob 10 on one side like the switch of this embodiment, a very large operating force is likely to be applied when pulling up, so the switch of the present invention is applied more effectively. it can .

When the front side of the operation knob 10 is pulled up, a reverse operation to the above is performed in the same manner, whereby the switch element 30 outputs a window closing signal.

[0027]

[Effect of device]

 According to the present invention, most of the collision sound generated at the time of contact is kept inside the switch case, the sound reaching the outside is reduced, and the total switch operation sound can be reduced.

Further, by providing the exclusive stopper, the swing stop is stably performed, whereby a robust switch which is not damaged even when operated by a larger force is obtained.

[Brief description of drawings]

FIG. 1 is a plan view of an in-vehicle switch device including a power window switch and a door lock switch according to an embodiment of the present invention.

FIG. 2 is a cutaway side sectional view of a main part of the switch device of FIG.

FIG. 3 is a partial front sectional view of a power window switch.

FIG. 4 is a perspective view showing a touch body and a touch plate.

FIG. 5 is a configuration diagram of a conventional switch.

[Explanation of symbols]

 6 Switch Case 10 Operation Knob (Operator) 12 Shaft Support (Operator) 16 Extending Part (Operator) 26 Stopper Surface (Stopper) 30 Switch Element

Claims (1)

[Scope of utility model registration request] 1. A switch case in which a mounting opening is formed, a switch element provided in the switch case, and a switch case that is swingably mounted in the mounting opening portion of the switch case and is operated. A switch provided with an operating body for operating the switch element, the stopper is provided below an edge portion of the mounting opening of the switch case that is located on a side orthogonal to the swinging direction of the operating body, and the stopper is the A switch, wherein when a portion of the operating body which is inserted into the mounting opening swings, it abuts on the portion to regulate the swing range.