JP2003257287A - Switch device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a switch device with reduced height and reduced size. <P>SOLUTION: A cylindrical contact housing part 2 of which, front part is open and inside is partitioned into two housing chambers, is formed at the front surface of a base 1. Each housing chamber comprises three pieces of fixed contact plates 11a,... inserted into a base 1 in a state of exposing the fixed contacts 12a,... at the inner surface of the housing chamber, a contact holder 13 back and forth movement freely arranged in the housing chamber, a restoring spring energizing the contact holder 13 toward front surface side, a movable contact 16 capable of freely contacting with and separating from respective fixed contacts 12a,... in compliance with the back and forth movement of the contact holder 13, and contact pint blocks 10a,... composed of a movable contact plate 15 switching the electric connection between the plurality of fixed contact plates 11a,.... The operation knob 5 is slanting movement freely supported by the contact housing part 2 so as to house the front end part of the contact housing part 2 in a concave part formed to a back surface, and switches the state of contact by pushing the contact holder backwards in compliance with the slanting operation. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device.

[0002]

2. Description of the Related Art A switch device of this type is shown in FIG.
A structure having the structures shown in (a) and (b) has been conventionally provided (see Japanese Patent Application Laid-Open No. 9-102244). This conventional example is a power window switch for opening and closing a window of a vehicle, including a wiring board 102 provided with fixed contacts 101, 101, a cover body 110 covering the upper surface side of the wiring board 102, and a switch. And the mechanism 120.

The switch mechanism 120 is provided with an operating knob 121 attached to the cover 110 so as to be tiltable, and a pair of operating rods 122, 122 are provided on the back surface of the operating knob 121 so as to project therefrom. The operating rods 122, 122 project into the cover body 110 from the window holes 111, 111 provided in the cover body 110, and the movable contacts 123, 123 which come into contact with and separate from the fixed contacts 101, 101 are attached to the tip end surfaces thereof. It is fixed.

Further, on the upper surface of the cover body 110, a cylindrical portion 112 for accommodating the coil spring 113 and a slide guide 114 for movably supporting the slider 115 in the vertical direction.
And the coil spring 1 housed in the tubular portion 112.
The slider 115 is biased upward by 13. The upper end of the slider 115 is in sliding contact with an inverted V-shaped concave groove 124 provided on the back surface of the operation knob 121, and the coil spring 11
The operation load of the operation knob 121 is set by the spring force of 3.

When the right end of the operating knob 121 is tilted upward as shown in FIG. 18B, the movable contact 123 provided on the operating rod 122 on the left side of the drawing electrically contacts the fixed contact 101. Then, when the window rises and the right end of the operation knob 121 is tilted downward, the movable contact 123 provided on the operation rod 122 on the right side in the drawing electrically contacts the fixed contact 101 and the window descends. To do.

[0006]

In the switch device having the above structure, the fixed contact 101 is made of copper foil formed on the surface of the wiring board 102 and is arranged outside the operation knob 121 to perform a switching operation. Since the operating knob 121 for this purpose and the contact portion are completely separated, it is difficult to reduce the height of the switch device, and in order to make the stroke of the movable contact 123 large, the operating rod 122 must be long. Therefore, there is a problem that the switch device becomes large. Further, since the operation load of the operation knob 121 is set by the single coil spring 113, the operation load becomes the same when the window is opened and closed, and the operation load cannot be freely set. There was also.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a switch device having a low profile and a small size.

[0008]

In order to achieve the above object, the invention of claim 1 has a cylindrical contact receiving portion having an opening on the front side and a fixed contact, and the fixed contact is provided in the contact receiving portion. A plurality of fixed contact plates integrally provided in the contact housing so as to be exposed from the inner side surface, a contact holding member arranged in the contact housing so as to be movable back and forth, and the contact holding member on the front side. A movable contact that has a biasing return spring and a plurality of movable contacts that come into contact with and separate from a plurality of fixed contacts according to the forward and backward movement of the contact holding member, and that switches the electrical connection state between the plurality of fixed contact plates. The front end of the contact housing is housed in the plate and the recess that opens to the rear side so that it can be tilted in the contact housing, and the contact is held against the return spring force of the return spring according to the tilting operation. Operation to move the member backward And characterized in that it comprises a knob, a.

According to a second aspect of the present invention, in the first aspect of the present invention, the movable contact plate is provided with three of the movable contacts, and the plurality of fixed contacts are arranged along the front-rear direction. A common contact that is always electrically connected to one of the two, and a first contact that is arranged along the front-rear direction and that is electrically connected to another movable contact when the operation knob is tilted by a first tilt angle or more. First, the operation knob is arranged along the front-back direction.
The second contact point is electrically connected to the remaining movable contact point when tilted by a second tilt angle larger than the second tilt angle.

According to a third aspect of the present invention, in the first aspect of the present invention, the movable contact plate is provided with two of the movable contacts, and the plurality of fixed contacts are arranged along the front-rear direction and one movable contact is always provided. A common contact that is electrically connected, and a first contact that is electrically connected to the other movable contact at the return position of the operation knob.
And a second switching contact electrically connected to the other movable contact when the operation knob is tilted by a predetermined tilt angle or more.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the back surface of the operation knob is brought into contact with the front surface of the contact holding member, and the contact holding is performed according to the tilting operation. A pressing projection for pressing the member rearward is provided, and the front-back direction is provided between the contact holding member front surface part where the pressing projection contacts at the return position of the operation knob and the contact holding member front surface part where the pressing projection contacts at the operation position. Is characterized in that a step is provided.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the inside of the contact receiving portion is partitioned and two are provided on the left and right sides with respect to the tilt center of the operation knob. A storage chamber is provided, and the fixed contact is exposed on the inner side surface of each storage chamber, and the contact holding member to which the movable contact plate is attached and the return spring are stored in each storage chamber. It is characterized by being formed.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the invention, the opening of the contact receiving portion is provided with:
It is characterized in that a retaining portion is provided for contacting the front end portion of the contact holding member to prevent the contact retaining member from coming off.

[0014]

(First Embodiment) A first embodiment of the present invention will be described with reference to FIGS. 1 to 10. In the following description, unless otherwise specified, the directions shown in FIG.

The switch device according to the present embodiment is a power window switch for opening and closing a vehicle window, particularly a window on the driver's side. The operating portion 5b provided at the left end of the operating knob 5 is pushed to operate the operating knob. 2 is tilted downward to the left in FIG. 2 to the first tilt angle (manual position), the window is lowered only while the operation knob 5 is being pressed, and the operation knob 5 is pushed further downward to the second tilt angle. When tilted to (auto position), the window automatically descends to the lower limit position. On the contrary, when the operation portion 5b of the operation knob 5 is pulled toward the front and tilted to the left in FIG. 2 to the first inclination angle (manual position), the window rises only while the operation knob 5 is pulled, and When the operation knob 5 is pulled and tilted to the left to the second tilt angle (auto position), the window automatically rises to the upper limit position.

This switch device has a base 1 made of a synthetic resin molded product, and on the upper surface side of the base 1, a rectangular-cylindrical contact receiving portion whose upper surface (front surface) side is open and whose lower surface (rear surface) side is closed. 2 is provided integrally with the base 1. A shaft 2 that tiltably supports an operation knob 5 on the outer surfaces of the two side walls of the contact housing 2 that face each other in a direction substantially orthogonal to the left-right direction.
a are respectively projected. The interior of the contact housing 2 is partitioned into two parts by a partition wall 3 provided at a substantially middle portion in the left-right direction, and is divided into two parts on the left and right sides with respect to the tilt center of the operation knob 5.
Two storage chambers 4a and 4b are provided, and contact blocks 10a and 10b are arranged in the respective storage chambers 4a and 4b. Further, a retaining rib 3a as a retaining portion projecting from the upper end edge of the partition wall 3 to the left and right sides is integrally formed.

The operation knob 5 is made of a synthetic resin molding and has a recess 5 for accommodating the upper end portion (front end portion) of the contact housing 2 on the rear surface side.
c is opened, and shaft holes 5a into which the shaft 2a is fitted are formed on both side surfaces. The operation knob 5 is arranged so that the front end portion of the contact storage portion 2 is stored in the recess 5c.
When the shaft 2a is fitted over the shaft hole 5a, the shaft 2a is supported by the contact housing 2 so as to be tiltable. The back surface of the operation knob 5 is in contact with the upper surfaces (front surfaces) of the contact holders 13, 13 described later, and presses the contact holders 13, 13 downward (rearward) in response to the tilting operation.
A pair of a and 19b are provided.

Each of the contact blocks 10a and 10b is provided with three fixed contact plates 11a to 11c, a contact holder 13 as a contact holding member, a return spring 14 composed of a coil spring, and three movable contacts 16. The movable contact plate 15 and the contact block 10a arranged in the storage chamber 4a function as a contact for lowering operation, and the contact block 10b arranged in the storage chamber 4b functions as a contact for raising operation.

The fixed contact plates 11a to 11c are provided with strip-shaped fixed contacts 12a to 12c, respectively.
Insert-molding is performed on the contact storage portion 2 (that is, the base 1) so that 2a to 12c are exposed from the inner surface of the storage chamber 4a. Each of the fixed contacts 12a to 12c has a storage chamber 4a ...
Of the fixed contacts 12c, 12b, and 12a in that order. In this embodiment, since the fixed contact plates 11a to 11c are integrally provided on the base 1 by insert molding, the step of incorporating the fixed contact plates 11a to 11c into the base 1 can be omitted, but the fixed contact plate 11a is eliminated.
11c may be fixed to the base 1 by a method such as press fitting.

The contact holder 13 is formed of a synthetic resin into a substantially rectangular parallelepiped shape, and has a cylindrical portion 1 for accommodating the upper end of the return spring 14.
3a is provided in the lower part, and is vertically movable (back and forth) in the storage chambers 4a ... With the upper end of the return spring 14 housed in the tubular portion 13a. At the upper end portion (front end portion) of the contact holder 13, a step portion 18a on which the pressing protrusion 19a is placed at the return position of the operation knob 5 and a pressing protrusion when the operation knob 5 is tilted to a first inclination angle. Step 18 which 19a gets over
b and a step portion 18c that the pressing protrusion 19b rides over when the operation knob 5 is tilted to a second tilt angle larger than the first tilt angle.

The movable contact plate 15 is formed by punching out a metal plate and bending it to connect a pair of mounting pieces 15a, 15a arranged in parallel to each other and upper and lower end portions of side edges of the mounting pieces 15a, 15a. The connecting pieces 15b and 15b are formed into a square frame having a U-shaped cross section, and the lower connecting piece 15 is formed.
From b, three movable spring pieces 17 each having a movable contact 16 fixed to its tip end are extended obliquely upward. Each mounting piece 15a has a pair of caulking holes 15c penetrating therethrough. By inserting caulking protrusions 13b provided on both side surfaces of the contact holder 13 into the caulking holes 15c and crushing the tips thereof, the movable contact plate 15 is fixed to the contact holder 13 by caulking. The movable contacts 16 provided on the three movable spring pieces 17 are arranged in a line in the vertical direction.

In assembling this switch device, the movable contact plate 15 is caulked and fixed to the contact holder 13, and then the contact holder 13 in which the upper end portion of the return spring 14 is housed in the cylindrical portion 13a in each of the storage chambers 4a and 4b. Are inserted into the recesses 5c of the operation knob 5 so that the upper end of the contact storage portion 2 is housed in the recess 5c of the operation knob 5, and the operation knob 5 is put over the contact storage portion 2.
By fitting the shaft 2a into the shaft hole 5a of the
Is supported by the contact housing 2 so as to be tiltable, and the assembly is completed. As described above, in the present embodiment, the fixed contacts 12a to 12c are arranged on the inner side surface of the contact housing 2, and the contact holder 13 holding the movable contact plate 15 inside the contact housing 2 moves up and down (back and forth). The operation knob 5 is attached to the contact storage portion 2 so as to be tiltable so that the front end portion of the contact storage portion 2 is housed in the recess 5c provided on the rear surface side. Since the contact portion is housed inside, the dimension of the entire switch device in the front-rear direction can be made smaller as compared with the case where the contact portion and the operation knob 5 are completely separated, and the height and size of the switch device can be reduced. .

In the assembled state of the switch device, the fixed contacts 12a to 12c exposed on the inner surface of the storage chamber 4a.
The three movable spring pieces 17 of the movable contact plate 15 held by the contact holder 13 are arranged opposite to each other. The fixed contacts 12a to 12c have different lengths, and the protruding amount from the bottom surface of the storage chamber 4a increases in the order of the fixed contacts 12c, 12b, and 12a, so that the operation knobs as shown in FIGS. In the state where 5 is in the return position, the movable contact 16 contacts only the fixed contact 12a, and the fixed contact plate 11
A is electrically opened between the fixed contact plates 11b and 11c. That is, the fixed contact 12a is always in contact with the movable contact 16 and functions as a common contact. Further, the fixed contact 12b contacts the movable contact 16 when the operation knob 5 is tilted by a first tilt angle or more, and the fixed contact 12c is the movable contact 1 when the operation knob 5 is tilted by a second tilt angle or more.
The amount of protrusion from the bottom surface is set so that the fixed contacts 12b, 12c function as the first contact and the second contact, respectively.

In the assembled state of the switch device, the contact holder 13 is biased upward (on the front side) by the return spring 14, and the upper end of the contact holder 13 comes into contact with the retaining rib 3a provided on the partition wall 3. By that, the contact holder 1
3 is prevented from coming off. In this way, the contact holder 1
Since the retaining rib 3a for preventing the retaining of 3 is integrally provided with the contact housing portion 2, the number of components can be reduced as compared with the case where the retaining portion is formed as a separate component.

Pull the operating portion 5b of the operating knob 5 to the upper side,
As shown in FIG. 7 (a), when the operation knob 5 is tilted upward from the return position to the first tilt angle (manual position), the pressing protrusions 19a and 19b on the right side of the drawing cause contact holders on the side of the storage chamber 4b. The upper end of 13 is pressed downward against the spring force of the return spring 14, the contact holder 13 retracts, and the movable contact 16 contacts the fixed contact 12b. Therefore, the fixed contact plate 11a and the fixed contact of the contact block 10b are fixed. Board 11
b is electrically connected via the movable contact plate 15,
The window rises only while pressing the operation knob 5.
Also, when the operation knob 5 is tilted to the manual position,
A click feeling is obtained by the pressing protrusion 19a riding on the stepped portion 18b.

When the operating portion 5b of the operating knob 5 is pulled further upward and the operating knob 5b is tilted upward to the second tilt angle (auto position) as shown in FIG. 7B, the right side in the drawing is reached. The upper end of the contact holder 13 on the side of the storage chamber 4b is pressed downward by the pressing projection 19b against the spring force of the return spring 14, and the contact holder 13 retreats to the lower limit position.
Since the fixed contact 12c contacts the movable contact 16, the fixed contact plates 11a, 11b, and 11c of the contact block 10b are electrically connected via the movable contact plate 15, and the window automatically rises to the full. Further, when the operation knob 5 is tilted to the automatic position, the pressing protrusion 19b moves into the step portion 18.
A feeling of click is obtained by riding on c.

On the other hand, when the operation portion 5b of the operation knob 5 is pushed downward and the operation knob 5 is tilted downward from the return position to the first inclination angle (manual position) as shown in FIG. 8A. , The upper end of the contact holder 13 on the side of the storage chamber 4a is returned by the pressing protrusions 19a and 19b on the left side of the drawing.
4 is pressed downward against the spring force of 4 and the contact holder 13
Moves backward and the movable contact 16 comes into contact with the fixed contact 12b, so that the fixed contact plate 11a and the fixed contact plate 11b of the contact block 10a are electrically connected via the movable contact plate 15, and the operation knob 5 is The window descends only while you hold it down. Further, when the operation knob 5 is tilted to the manual position, the pressing protrusion 19a rides on the step portion 18b so that a click feeling can be obtained.

When the operation portion 5b of the operation knob 5 is pushed further downward and the operation knob 5 is tilted downward to the second tilt angle (auto position) as shown in FIG. 8B, the left side in the drawing is reached. The upper end of the contact holder 13 on the storage chamber 4a side is pressed downward by the pressing protrusion 19b against the spring force of the return spring 14, the contact holder 13 is retracted to the lower limit position, and the fixed contact 12c is moved to the movable contact 16. Because of the contact, the fixed contact plates 11a, 11b, 11c of the contact block 10a are electrically connected via the movable contact plate 15, and the window automatically descends to the full. Further, when the operation knob 5 is tilted to the automatic position, the pressing protrusion 19b moves the step portion 18c.
You can get a click feeling by getting on.

By the way, in this embodiment, when the operation knob 5 is tilted to the manual position and the automatic position,
Since the pressing protrusions 19a and 19b provided on the operation knob 5 are mounted on the step portions 18b and 18c provided on the contact holder 13, as shown in FIGS. The movement amount of the contact holder 13 can be increased as compared with the case where the portions 18b and 18c are not formed.

As a mechanism for generating a click feeling when operating the operation knob 5, as shown in FIGS. 10 (a) and 10 (b), it is supported by a guide groove 34 so as to be movable up and down and upward by a coil spring 33. Biased center pin 3
The tip of 2 is elastically contacted with the V-shaped groove 31 provided on the back surface of the operation knob 5, and when the operation knob 5 is tilted to a predetermined angle, the center pin 32 is provided on the bent portion 31a provided on the surface of the V-shaped groove 31.
Although a mechanism for generating a click feeling by contacting the tip ends of the above is also possible, parts such as the center pin 32 and the coil spring 33 are required in addition to the contact part, so that the number of parts increases. On the other hand, in the present embodiment, since the pressing protrusions 19a and 19b provided on the operation knob 5 pass over the stepped portions 18b and 18c provided on the contact holder 13, a click feeling is generated, so that the number of parts is increased. There is an advantage that a feeling of click can be generated without any need.

When pushing the operating portion 5b of the operating knob 5 to lower the window, the contact block 10a
When the operating portion 5b of the operating knob 5 is pulled to apply the operating load by the return spring 14 of FIG. 1, the operating load is applied by the return spring 14 of the contact block 10b. Since the operation load is applied by the different return springs 14 according to the above, the operation load can be freely set in each tilting direction.

(Second Embodiment) A second embodiment of the present invention is shown in FIG.
It will be described with reference to FIGS. Since the basic configuration of the switch device is the same as that of the first embodiment, common components are designated by the same reference numerals, and the description thereof will be omitted. Further, in the following description, unless otherwise specified, the directions shown in FIG.

The switch device of this embodiment is a power window switch for opening and closing the window of the vehicle, especially the window of the passenger seat or the rear seat, and pushes the operating portion 5b of the operating knob 5 to open the operating knob 5. When tilted to the lower left in FIG. 12 by a predetermined tilt angle or more, the operation knob 5
The window descends only while you are pressing. On the contrary, when the operation portion 5b of the operation knob 5 is pulled toward the front and tilted upward to the left in FIG. 12 by a predetermined inclination angle or more, the window rises only while the operation knob 5 is being pulled.

This switch device has a base 1 made of a synthetic resin molded product, and on the upper surface side of the base 1, a rectangular tube-shaped contact housing portion whose upper surface (front surface) side is open and whose lower surface (rear surface) side is closed. 2 is provided integrally with the base 1. A shaft 2 that tiltably supports an operation knob 5 on the outer surfaces of the two side walls of the contact housing 2 that face each other in a direction substantially orthogonal to the left-right direction.
a are respectively projected. The interior of the contact housing 2 is partitioned into two parts by a partition wall 3 provided at a substantially middle portion in the left-right direction, and is divided into two parts on the left and right sides with respect to the tilt center of the operation knob 5.
Two storage chambers 4a and 4b are provided, and contact blocks 10a and 10b are arranged in the respective storage chambers 4a and 4b.

The operation knob 5 is made of a synthetic resin molding and has a recess 5 for accommodating the upper end portion (front end portion) of the contact housing 2 on the rear surface side.
c is opened, and shaft holes 5a into which the shaft 2a is fitted are formed on both side surfaces. The operation knob 5 is arranged so that the front end portion of the contact storage portion 2 is stored in the recess 5c.
When the shaft 2a is fitted over the shaft hole 5a, the shaft 2a is supported by the contact housing 2 so as to be tiltable. The back surface of the operation knob 5 is in contact with the upper surface (front surface) of the contact holders 13 ', 13', which will be described later, and presses the contact holders 13 ', 13' downward (rearward) according to the tilting operation. 24, 24 are provided.

Each of the contact blocks 10a and 10b has three fixed contact plates 20a to 20c each having fixed contacts 21a to 21c, a contact holder 13 'as a contact holding member, and a return spring 14 composed of a coil spring. A contact block 10 which is composed of a movable contact plate 22 having two movable contacts 23a and 23b and is arranged in the storage chamber 4a.
The contact a serves as a contact for descending operation, and the contact block 10b arranged in the storage chamber 4b functions as a contact for ascending operation.

The fixed contact plates 20a to 20c have fixed contacts 21a to 21c, respectively.
Are exposed to the inner side surfaces of the respective storage chambers 4a, and insert-molded in the contact storage portion 2 (that is, the base 1).
Among the fixed contacts 21a to 21c, the fixed contacts 21b and 21c arranged on both sides are formed in a strip shape.
Extends from the bottom surface side of the storage chambers 4a to the opening edge, and the fixed contact 21c extends from the bottom surface side of the storage chambers 4a to the substantially middle portion. In addition, the fixed contact 2 arranged in the center
1a extends from the bottom surface side of the storage chambers 4a to the opening edge, and the tip portion thereof projects toward the fixed contact 21b side.
The plane shape is formed in an inverted L shape. Here, the fixed contact plate 20a is a ground line, and the fixed contact plates 20b, 20
c is respectively connected to the electric path through which the motor current flows, and when the fixed contact plates 20b and 20c are electrically connected, the motor for raising or lowering the window of the vehicle is supplied with electric power to raise or lower the window. . Note that, in the present embodiment, as in the first embodiment, the fixed contact plates 20a to 20c are integrally provided on the base 1 by insert molding, so that the step of incorporating the fixed contact plates 20a to 20c into the base 1 can be omitted. Yes, but fixed contact plate 20a ~
20c may be fixed to the base 1 by press fitting.

The contact holder 13 'is formed of a synthetic resin in a substantially rectangular parallelepiped shape, has a tubular portion 13a for accommodating the upper end portion of the return spring 14 in the lower portion, and the upper end portion of the return spring 14 is housed in the tubular portion 13a. It is arranged in the storage chamber 4a so as to be movable back and forth. Further, a step portion 25 over which the pressing protrusion 24 rides when the operation knob 5 is tilted to a predetermined tilt angle is integrally provided at the upper end portion (front end portion) of the contact holder 13 '.

The movable contact plate 22 is formed in a U-shaped cross section by bending both ends of an elongated metal plate in one direction, and the movable contacts 23a and 23b are fixed to both sides of the central piece. Also,
Caulking holes 22a are formed in both side pieces, and by inserting caulking projections 13b provided on both side surfaces of the contact holder 13 'into the caulking holes 22a and crushing the tips thereof, the movable contact plate 22 contacts. It is caulked and fixed to the holder 13 '. Two movable contacts 23 provided on the movable contact plate 22
The a and 23b are arranged in a line in the front-rear direction.

When assembling this switch device, after the movable contact plate 22 is caulked and fixed to the contact holder 13 ',
In each of the storage chambers 4a and 4b, a contact holder 13 'containing the upper end of the return spring 14 in the tubular portion 13a is inserted,
By fitting the operation knob 5 on the contact housing 2 so that the upper end of the contact housing 2 is housed in the recess 5c of the operation knob 5 and fitting the shaft 2a into the shaft hole 5a of the operation knob 5, The operation knob 5 is supported by the contact housing 2 so as to be tiltable, and the assembly is completed. As described above, in the present embodiment, the fixed contacts 21a to 21c are arranged on the inner surface of the contact housing portion 2, and
A contact holder 13 'holding a movable contact plate 22 is arranged inside the contact housing 2 so as to be vertically movable (back and forth), and the front end of the contact housing 2 is housed in a recess 5c provided on the rear surface side. In this way, the operation knob 5 is attached to the contact housing portion 2 so as to be tiltable, and the contact portion is housed in the operation knob 5. Therefore, compared to the case where the contact portion and the operation knob 5 are completely separated from each other. As a result, the overall size of the switch device in the front-rear direction can be reduced, and the switch device can be made shorter and smaller.

In the assembled state of the switch device, one movable contact 23b of the movable contact plate 22 held by the contact holder 13 'serves as a common contact exposed on the inner surface of the storage chambers 4a. Always in sliding contact with the fixed contact 21b,
The other movable contact 23a faces the fixed contacts 21a and 21c as the first and second switching contacts. That is, the fixed contact 21b functions as a common contact. When the operation knob 5 is in the return position, the movable contact 23b contacts the fixed contact 21b as shown in FIG. 17A, and the movable contact 23a serves as the first switching contact, which is the fixed contact 21.
a is in contact with the fixed contact plate 20a and the fixed contact plate 20a.
Since it is electrically connected to b through the movable contact plate 22, no current flows in the motor and the window is stopped.

By pushing the operating portion 5b of the operating knob 5,
As shown in (a), when the operation knob 5 is tilted downward from the return position to the predetermined ON angle (for example, about 6 degrees),
The pressing protrusion 24 on the left side in the drawing climbs a step 25 provided at the front end of the contact holder 13 'on the side of the storage chamber 4a, and the contact holder 13' is pressed against the spring force of the return spring 14,
fall back. At this time, as shown in FIG. 17B, the movable contact 23a that was in contact with the fixed contact 21a comes into contact with the fixed contact 21c that is the second switching contact, and the fixed contact plate 20b and the fixed contact 21c of the contact block 10a. Are electrically connected to each other via the movable contact plate 22, and the motor is energized.

By further pressing the operation portion 5b of the operation knob 5,
As shown in FIG. 15B, when the operation knob 5 is tilted downward to the left to a predetermined operating angle (for example, about 15 degrees), the pressing protrusion 24 completely rides on the stepped portion 25 of the contact holder 13 ′, The contact holder 13 'is fully retracted. At this time, as shown in FIG. 17C, the entire movable contact 23a contacts the fixed contact 21c, and the fixed contact plate 20b and the fixed contact plate 20c of the contact block 10a are interposed via the movable contact plate 22. Since it is electrically connected, the motor current is supplied to the motor and the window is lowered only while the operation knob 5 is being pressed. Further, when the operation knob 5 is tilted to the operating angle, the pressing protrusion 24 rides on the stepped portion 25, so that a click feeling can be obtained.
Since the operation for tilting the operation knob 5 upward to the left in FIG. 11 to raise the window is the same as the operation for lowering the window, description thereof will be omitted.

By the way, in this embodiment, the operation knob 5 is turned to the O position.
When the tilting operation is performed up to the N angle, the pressing protrusion 24 provided on the operation knob 5 climbs to the step 25 provided on the contact holder 13 ′,
When the operation knob 5 is tilted to the operating angle, the pressing protrusion 2
Since 4 is designed to ride on the step 25 completely,
As compared with the case where the step portion 25 is not formed as shown in FIGS. 16A and 16B, the movement amount of the contact holder 13 ′ when the operation knob 5 is tilted to the ON angle and the operation angle is ST3. , ST4 to ST1 and ST2. By the way, since a large current such as a motor current flows between the fixed contact plates 20b and 20c, a sufficient insulation distance is secured between the fixed contact 21a and the fixed contact 21c with which the movable contact 23a contacts when the operation knob 5 is returned. However, since the moving amount of the contact holder 13 'is increased by providing the stepped portion 25 as described above, the fixed contact 21a with which the movable contact 23a contacts at the return position and the movable contact during the tilting operation. It is possible to increase the distance D1 between the fixed contact 21c and the fixed contact 21c which 23a contacts, and to secure a sufficient insulation distance.

[0045]

As described above, according to the first aspect of the present invention, each has a cylindrical contact receiving portion having an opening on the front side and a fixed contact, and the fixed contact is exposed from the inner side surface of the contact receiving portion. A plurality of fixed contact plates integrally provided in the contact storage portion, a contact holding member disposed inside the contact storage portion so as to be movable back and forth, and a return spring for urging the contact holding member toward the front side. It has a plurality of movable contacts that come into contact with and separate from a plurality of fixed contacts according to the forward and backward movement of the contact holding member,
A movable contact plate that switches the electrical connection state between a plurality of fixed contact plates and a front end of the contact housing is housed in a recess that opens on the rear side so that it can be tilted in the contact housing. Accordingly, an operation knob for moving the contact holding member rearward against the return spring force of the return spring is provided, and the fixed contact is arranged on the inner side surface of the contact receiving portion, and the contact receiving portion is arranged. A contact holding member holding a movable contact is movably arranged in the inside of the housing, and the operation knob can be tilted to the contact housing while the front end of this contact housing is stored in the recess provided on the rear side. Since the switch device is attached, the size of the entire switch device in the front-rear direction can be reduced, and there is an effect that the height and size of the switch device can be reduced.

According to a second aspect of the present invention, in the first aspect of the present invention, the movable contact plate is provided with three of the movable contacts, and the plurality of fixed contacts are arranged along the front-rear direction. A common contact that is always electrically connected to one of the
A first contact that is arranged along the front-rear direction and that is electrically connected to another movable contact when the operation knob is tilted by a first tilt angle or more, and a first contact that is arranged along the front-rear direction And a second contact electrically connected to the remaining movable contact when tilted by a second tilt angle larger than the angle, in addition to the effect of the invention of claim 1, the tilt of the operation knob. Depending on the angle, the common contact is not connected to the first and second contacts, is connected only to the first contact, and is connected to both the first and second contacts. The contact state can be switched to and.

According to a third aspect of the present invention, in the first aspect of the present invention, the movable contact plate is provided with two movable contacts, and the plurality of fixed contacts are arranged along the front-rear direction and one movable contact is always provided. A common contact that is electrically connected, a first switching contact that is electrically connected to the other movable contact at the return position of the operation knob, and the other movable contact when the operation knob is tilted by a predetermined tilt angle or more. The second switching contact is electrically connected, and in addition to the effect of the invention of claim 1, the common contact is connected to the first switching contact according to tilting operation of the operation knob. The contact state can be switched between the open state and the state connected to the second switching contact.

The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein:
A pressing projection is provided that contacts the front surface of the contact holding member and presses the contact holding member rearward according to the tilting operation. A step is provided in the front-rear direction between the pressing projection and the portion of the front surface of the contact holding member with which the pressing projection comes into contact, and when the tilting operation is performed, the pressing projection can get over the step and generate a click feeling. By providing the contact holding member, it is possible to increase the amount of movement of the contact holding member during the tilting operation. Therefore, the distance between the movable contact and the fixed contact can be lengthened to sufficiently secure the insulation distance between the movable contact and the fixed contact. There is also the effect.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the inside of the contact receiving portion is partitioned and two are provided on both left and right sides with respect to the tilt center of the operation knob. A storage chamber is provided, and the fixed contact is exposed on the inner side surface of each storage chamber, and the contact holding member to which the movable contact plate is attached and the return spring are stored in each storage chamber. According to the tilting direction of the operation knob, it is possible to switch the electrical connection state between the fixed contacts arranged in the storage chamber on the side corresponding to the tilting direction, and to return to each storage chamber respectively. Since the spring is arranged, the operation load can be freely set depending on whether the operation knob is tilted in one direction or tilted in the opposite direction.

According to a sixth aspect of the present invention, in any one of the first to fifth aspects of the invention, the opening of the contact receiving portion is brought into contact with the front end portion of the contact holding member to prevent the contact holding member from coming off. It is characterized in that a retaining portion is provided to prevent the contact holding member from slipping off by the retaining portion, and the retaining portion is provided at the opening of the storage portion, so a member to prevent the retaining member is a separate component. Compared with the case, the number of parts can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a switch device according to a first exemplary embodiment.

FIG. 2 is a sectional view of the same.

FIG. 3 is an exploded perspective view of the above.

FIG. 4 is an exploded perspective view in which an operation knob of the above is omitted.

FIG. 5 is an external perspective view of the above base.

FIG. 6 is a sectional view showing the same as above and showing a state where the operation knob is returned to the return position.

FIG. 7 shows the same as above, (a) is a cross-sectional view of a state in which the operation knob is tilted to a rising manual position, and (b) is a cross-sectional view of a state in which the operation knob is tilted to a rising auto position. is there.

FIG. 8 shows the same as above, (a) is a sectional view showing a state where the operation knob is tilted to a descending side manual position, and (b) is a sectional view showing a state where the operation knob is tilted to a descending side auto position. is there.

9 (a) and 9 (b) are partially omitted cross-sectional views showing a reference example of the above.

10A and 10B are cross-sectional views showing another reference example of the above.

FIG. 11 is an exploded perspective view of the switch device according to the second exemplary embodiment.

FIG. 12 is a sectional view of the above.

FIG. 13 is an exploded perspective view of the above.

FIG. 14 is a sectional view showing the same as above and showing a state in which the operation knob is tilted to the lower side partway.

FIG. 15 shows the same as above, and FIG.
FIG. 6B is a sectional view showing a state in which the operation knob is tilted up to the N angle, and FIG.

FIG. 16 shows a reference example of the above, (a) is a cross-sectional view in which the operation knob is tilted downward to the ON angle and a part of it can be omitted, and (b) is the operation knob tilted downward to the operating angle. It is sectional drawing which can abbreviate | omit a part of the made state.

17 (a) to 17 (c) are explanatory views for explaining a switching state of the contacts.

18A and 18B are cross-sectional views of a conventional switch device.

[Explanation of symbols]

1 base 2 contact storage 5 Operation knob 10a ... Contact block 11a ... Fixed contact plate 12a ... Fixed contact 13 contact holder 15 Moving contact plate 16 movable contacts

Claims (6)

[Claims] 1. A plurality of cylindrical contact housings each having an opening on the front side and a fixed contact, wherein the fixed contacts are integrally provided in the contact housing so as to be exposed from the inner side surface of the contact housing. Fixed contact plate, a contact holding member disposed inside the contact housing so as to be movable back and forth, a return spring for urging the contact holding member to the front side, and a plurality of the plurality of contact holding members according to the forward and backward movement of the contact holding member. A movable contact plate that has a plurality of movable contacts that come into contact with and separate from a fixed contact, and that switches the electrical connection state between a plurality of fixed contact plates, and the front end of the contact storage part inside the recess opening on the rear side. An operating knob that is tiltably attached to the contact housing so as to be housed and that moves the contact holding member rearward against the return spring force of the return spring in response to the tilting operation. Switch device to do. 2. The movable contact plate includes three movable contacts, and the plurality of fixed contacts are arranged along the front-rear direction and are commonly electrically connected to one of the three movable contacts. A contact, a first contact that is arranged along the front-rear direction and is electrically connected to another movable contact when the operation knob is tilted by a first tilt angle or more, and an operation knob that is arranged along the front-rear direction 2. The switch device according to claim 1, wherein the switch device comprises a second contact electrically connected to the remaining movable contact when tilted by a second tilt angle larger than the first tilt angle. 3. The movable contact plate includes two movable contacts, the plurality of fixed contacts being arranged along the front-rear direction, and a common contact which is always electrically connected to one of the movable contacts.
A first switching contact that is electrically connected to the other movable contact at the return position of the operation knob, and a second switching contact that is electrically connected to the other movable contact when the operation knob is tilted by a predetermined tilt angle or more. The switch device according to claim 1, comprising a contact. 4. A back surface of the operation knob is provided with a pressing protrusion that comes into contact with the front surface of the contact holding member and presses the contact holding member rearward in accordance with a tilting operation, and the pressing projection comes into contact at a return position of the operation knob. 2. A step is provided in the front-rear direction between the part of the front surface of the contact holding member that contacts the contact holding member and the part of the front surface of the contact holding member that the pressing protrusion contacts at the operating position.
4. The switch device according to any one of 3 to 3. 5. The inside of the contact housing is partitioned to provide two housings on the left and right sides with respect to the tilt center of the operation knob, and the fixed contact is exposed on the inner side surface of each housing. 5. The switch device according to claim 1, wherein each of the storage chambers accommodates the contact holding member having the movable contact plate attached thereto and the return spring. . 6. An opening preventing portion for preventing the contact holding member from coming off is provided in an opening portion of the contact receiving portion in contact with a front end portion of the contact holding member. The switch device according to one.