JPH056609U - Switch device - Google Patents

Abstract

(57) [Abstract] [Purpose] The structure is simple, and the dimensions and assembly of each component do not require very high precision or subtle adjustment, and productivity, stability of product performance, operational reliability, durability To provide an improved switch device. [Structure] Slide plate 17 and slide plate 1
9 is configured to be slidable in the left-right direction independently of each other, and the slide plate 17 slides leftward from the neutral position against the spring force of the spring 33, so that the flat cam portion of the slide plate 17 The actuator 13 is pressed by a predetermined amount to switch the contact of the micro switch structure corresponding thereto, and the slide plate 19 slides rightward from the neutral position against the spring force of the spring 33. As a result, the flat cam portion 25 presses the actuator 15 by a predetermined amount, thereby switching the contact of the micro switch structure corresponding thereto.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a switch device, and more particularly to a switch device having a self-return position and a self-holding position.

[0002]

[Prior Art]

 As a switch device used as an automobile power window switch device, a sunroof switch device, or the like, a switch device having a self-return position such as an annual operation position and a self-holding position such as an automatic operation position is already known. Has been.

This switching device has three basic switching positions: a neutral position in an off state, a raising operation position for raising a windshield glass of a power window, and a descending operation position for lowering a windshield glass. In addition to the above, each operation position has two operation mode positions, that is, a self-return position and a self-holding position. Only when it is being moved from the self position to the self-return position, it goes into the ascending operation switching state or the descending operation switching state, and when the manual operation element is released and returns to the neutral position, it automatically returns to the off state and the manual operation Once the operating element is manually moved from the neutral position to the self-holding position beyond the self-resetting position, the manual operating element is released. Even if it returns to the neutral position, the contact switching state is maintained by the solenoid device to maintain the ascending operation switching state or the descending operation switching state. A switch device of this type is disclosed, for example, in Japanese Utility Model Laid-Open No. 64-226.

[0004]

[Problems to be solved by the device]

 In the conventional switch device as described above, a manual operator such as a reversing type knob rotatably mounted on the switch housing and a leaf spring supporting a contact are directly drive-coupled by a connecting member to manually operate. Depending on the amount of rotation of the child, the leaf spring is directly pushed down by the connecting member to switch the contacts, and therefore, in view of the contact switching stroke, an appropriate self-recovery is performed. In order to set the position and the self-holding position, high precision is required for the dimensions and assembly of each component, and the holding force of the solenoid device that holds the switching state of the contact and the leaf spring for the self-holding operation. It is necessary to keep a delicate balance with the spring force of.

Further, the conventional switch device as described above has a large number of constituent parts and a complicated structure. Therefore, in combination with the need as described above, the productivity, the stability of the product performance, the operational reliability, There are problems with durability.

The present invention has been made by paying attention to the above-mentioned problems in the conventional switch device, has a simple structure, and has a very high accuracy and delicate adjustment in dimensions and assembly of each component. It is an object of the present invention to provide a switch device that does not require the above and has improved productivity, stability of product performance, operational reliability, and durability.

[0007]

[Means for Solving the Problems]

 According to the present invention, the above-described object is such that the first actuator and the second actuator, which individually switch the contacts by projecting to the outer surface of the case and being pressed by a predetermined amount, are arranged in parallel with each other. A micro switch case accommodating a micro switch structure corresponding to each of the first actuator and the second actuator, and a slide position provided on the outer surface of the micro switch case from the neutral position. Having a flat cam portion that presses the first actuator by a predetermined amount by sliding in the first direction, it is possible to slide in the second direction opposite to the first direction from the neutral position. The forbidden first slide plate and the micro switch case are slidably provided on the outer surface of the case, and from the neutral position. A second slide plate that has a flat cam portion that presses the second actuator by a predetermined amount by sliding in the second direction and is prohibited from sliding in the first direction from the neutral position. A spring for biasing the first slide plate in the second direction to bias the second slide plate in the first direction, and an engagement provided on the first slide plate. A manual operator having an engaging portion that engages between the protrusion and an engaging protrusion provided on the second slide plate and is capable of reciprocating in the first direction and the second direction; Engages between an engaging projection provided on the first slide plate and a engaging projection provided on the second slide plate, the engaging projection being movably provided in one direction and the second direction. Between the first direction and the second direction The movable member whose movement is restricted and the first actuator are pressed to attract the movable member in the first direction and the second actuator is pressed to move the movable member to the first direction. A switch switching position including an electromagnetic attracting portion that attracts and holds the movable member in the moving position by attracting the movable member in a second direction and moving the movable member in the first direction or the second direction by a predetermined amount or more. And a holding solenoid device.

[0008]

[Action]

 According to the configuration as described above, the first slide plate and the second slide plate can be slid in the first direction and the second direction independently of each other, and the first slide plate is the spring. By sliding in the first direction from the neutral position against the splashing force, the flat cam portion of the flat actuator presses the first actuator by a predetermined amount and the corresponding contact of the microswitch structure is contacted. When the second slide plate slides in the second direction from the neutral position against the spring's spring force, the plane cam portion of the second slide plate moves the second actuator to a predetermined position. By pressing a certain amount, the contact of the micro switch structure corresponding to this is switched.

When the amount of movement of the first slide plate in the first direction or the amount of movement of the second slide plate in the second direction becomes equal to or greater than a predetermined value, the switch switching position holding solenoid device causes the spring to move. The first slide plate or the second slide plate is held in its moving position against the spring force of, thereby maintaining the state where the first actuator or the second actuator is pressed by a certain amount, A self-sustaining operation mode is obtained.

[0010]

【Example】

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

1 to 6 show an embodiment in which the switch device according to the present invention is applied as a power window switch device for an automobile. This power window switch device has a micro switch case 3 fixedly mounted on a wiring board 1. As shown schematically in FIGS. 1 and 2, the micro switch case 3 internally houses two micro switch mechanisms 5 and 7 of a general structure in parallel with each other.

The micro switch case 3 has two guide grooves 9 and 11 extending in the left-right direction in FIG. The heads of the actuators 13 and 15 of the black switch mechanisms 5 and 7 are projected. Each of the actuators 13 and 15 is of a type generally referred to as a push button type or a push plunger type, and switches a contact of the micro switch mechanism 5 or 7 on / off by being pressed by a predetermined amount. It is supposed to be a ceremony.

Slide plates 17 and 19 are engaged with the guide grooves 9 and 11 so as to be slidable in the left and right directions in FIG.

The slide plate (first slide plate) 17 has a flat cam portion 21 as a substantially trapezoidal concave portion at the bottom portion, and the slide plate (first slide plate) 17 is moved to the left (first portion) from the neutral position as shown in FIG. By moving the actuator 13 in one direction), the flat cam portion 21 presses the actuator 13 downward by a predetermined amount.

As well shown in FIGS. 1 and 3, the slide plate 17 integrally has a stopper piece portion 23, which abuts on the left end surface of the micro switch case 3, at the left end portion thereof. It is prohibited to move to the right (second direction) from the neutral position as shown in 3.

The slide plate (second slide plate) 19 has a flat cam portion 25 (see FIG. 1) as a substantially trapezoidal concave portion at the bottom, and the slide plate (second slide plate) 19 has a neutral shape as shown in FIG. By moving to the right from the position, the flat cam portion 25 presses the actuator 15 downward by a predetermined amount.

As well shown in FIGS. 1 and 3, the slide plate 19 integrally has a stopper piece 27 that comes into contact with the right end surface of the micro switch case 3 at the right end. It is prohibited to move to the left from the neutral position as shown in 3.

Spring receiving seats 29, 31 facing each other are formed on the slide plates 17 and 19, and a compression coil spring 33 applies a predetermined preload between the spring receiving seats 29, 31. It is sandwiched in the closed state. The compression coil spring 33 urges the slide plate 17 to the right in FIG. 3 and simultaneously urges the slide plate 19 to the left in FIG. 3, whereby the slide plates 17 and 19 are in the steady state. Below, they will be stably positioned in the neutral positions as shown in FIG.

The slide plates 17 and 19 are integrally formed with engaging protrusion pieces 35 and 37, respectively, which project from the slide plates 17 and 19 in the same lateral direction. The engaging projection pieces 35 and 37 are provided such that when the slide plates 17 and 19 are both in the neutral position, a predetermined space C is generated between the engaging projection pieces in the left-right direction in FIG. The operation end portion 41 of the manual knob 39 is engaged with the space C.

As shown in FIGS. 1 and 2, the knob 39 is rotatably supported by a shaft housing 43 from a switch housing (not shown), and is rotated clockwise in FIG. As a result, the slide plate 17 is driven leftward away from the slide plate 19, and by being rotated counterclockwise in FIG. 1, the slide plate 19 is moved rightward away from the slide plate 17. It is designed to drive.

As well shown in FIG. 7, the knob 39 is provided with a moderation pin 47 which is urged downward in the drawing by the spring force of the spring 45. The moderation pin 47 is engaged with a V-groove-shaped flat cam plate 49 fixed to a switch housing (not shown), and compresses the spring 45 as the knob 39 rotates clockwise or counterclockwise. At the same time, the flat cam plate 49 is displaced relative to the flat cam plate 49 by climbing the V groove inclined surface 51 from the bottom of the V groove, and the amount of rotation of the knob 39 in the clockwise direction or the counterclockwise direction reaches a predetermined amount. When it reaches, it rides on the protrusion 53 formed in the vicinity of the upper end of the V-groove inclined surface 51, and gives a feeling of moderation to the turning operation of the knob 39 in the clockwise direction or the counterclockwise direction.

Further, the spring 45 is compressed by the moderation pin 47 in accordance with the clockwise or counterclockwise rotation of the knob 39 as described above, so that when the knob 39 is released, it is returned to the neutral position. It acts as a return spring.

A switch switching position holding solenoid device 55 is attached to one side of the micro switch case 3 on the wiring board 1. The switch switching position holding solenoid device 55 is fixedly supported by a support member 57 and extends horizontally in the left-right direction in FIG. 3, and the guide bar 59 extends outwardly by fitting to the guide bar 59. A movable member 61 that can reciprocate in the direction and electromagnetic attracting portions 63 and 65 that are fixedly arranged at the left and right ends of the guide bar 59, respectively, are engaged by the engaging protrusions 67 that are formed to project from the movable member 61. It engages in the space C between the joint projection pieces 35 and 37, and the movement of the movable member 6 to the left or right is restricted by the engagement projection pieces 35 or 37.

The energization control of the switch switching position holding solenoid device 55 is performed by the micro switch mechanisms 5 and 7, and the micro switch mechanism 5 is moved by being turned on by pressing the actuator 13. The member 61 is magnetically attracted to the electromagnetic attracting portion 63, whereas the movable member 61 is magnetically attracted to the electromagnetic attracting portion 65 when the actuator 15 is pressed to turn on the microswitch mechanism 7. It has become so.

This suction force causes the knob 39 to rotate in the clockwise direction or the counterclockwise direction until a feeling of moderation is given to the clockwise or counterclockwise rotation operation of the knob 39 as described above. As a result, the slide plate 17 or 19 moves leftward or rightward by a predetermined amount or more, and along with this, the movable member 61 moves leftward or rightward by a predetermined amount or more due to magnetic attraction to the electromagnetic attraction portion 63 or 65. Only when the movable member 61 comes into contact with or comes close to the electromagnetic attracting portion 63 or 65, the movable member 61 is set so as to overcome the spring force of the compression coil spring 33 and attract and hold the movable member 61 at the moving position.

The adsorption holding action by the microswitch mechanisms 5 and 7 as described above is caused by the fact that the windshield glass of the power window device is raised to the highest position or lowered to the lowest position. It suffices to detect the load change of the electric motor and release the load based on the detected load change.

For example, when raising the windshield glass of the power window device, the knob 39 is manually rotated in the clockwise direction as seen in FIG. 1 around the shaft portion 43 against the spring force of the spring 45. Let

As a result, the operating end 41 of the knob 39 moves leftward, and the slide plate 17 moves leftward against the spring force of the compression coil spring 33, as shown in FIG. When the slide plate 17 is moved to the left, the flat cam portion 21 presses the actuator 13 downward by a predetermined amount, whereby the contacts of the microswitch mechanism 5 are switched and turned on. The windshield glass of the power window system is raised.

At this time, the movable member 61 is magnetically attracted to the electromagnetic attracting portion 63, but at this time, the amount of clockwise rotation of the knob 39 has not reached a predetermined value, and the slide plate 17 Does not move to the left by a predetermined amount or more, the approach of the movable member 61 to the electromagnetic attraction portion 63 is limited by the engagement projection piece portion 35. As a result, at this time, the force by which the movable member 61 is magnetically attracted to the electromagnetic attraction portion 63 is smaller than the spring force of the compression coil spring 33, and when the knob 39 is released, the knob 39 causes the spring force of the spring 45. As a result, the slide plate 17 returns to the original neutral position, and the slide plate 17 also returns to the original neutral position by the spring force of the compression coil spring 33, and the pressing of the actuator 13 is immediately released.

Therefore, at this time, the microswitch mechanism 5 returns to the off state, and the rise of the windshield glass of the power window device is stopped. Therefore, at this time, the self-recovery operation mode in which the windshield glass of the power window device rises only while the knob 39 is manually rotated in the clockwise direction as seen in FIG. 1, that is, the annual operation mode is obtained. Be done.

When the knob 39 is rotated by a large amount in the clockwise direction as seen in FIG. 1 around the shaft portion 43 by hand, a moderation pin 47 is formed near the upper end of the V-groove inclined surface 51 of the flat cam plate 49. The user rides on the protruding portion 53 and gives a feeling of moderation to the turning operation of the knob 39 in the clockwise direction.

At this time, as shown in FIG. 5, the slide plate 17 moves to the left by a predetermined amount or more, and along with this, the movable member 61 moves to the left by a predetermined amount by magnetic attraction to the electromagnetic attraction portion 63. After the above movement, the movable member 61 comes into contact with or comes close to the electromagnetic attraction portion 63, and the force by which the movable member 61 is magnetically attracted to the electromagnetic attraction portion 63 becomes larger than the spring force of the compression coil spring 33. As a result, the force that magnetically attracts the movable member 61 to the electromagnetic attracting portion 63 overcomes the spring force of the compression coil spring 33, the movable member 61 is attracted and held at its moving position, and the knob 39 is released. Even if this is returned to the original neutral position by the spring force of the spring 45, the slide plate 17 is held in the moving position against the spring force of the compression coil spring 33.

At this time, even if the knob 39 is released, the pressed state of the actuator 13 is maintained, the microswitch mechanism 5 is maintained in the on state, and the ascending of the windshield glass of the power window device is continued.

Therefore, at this time, even if the knob 39 is released, the self-holding operation mode in which the windshield of the power window device rises, that is, the automatic operation mode is obtained.

The amount of depression of the actuator 13 in the above-described operation is uniquely determined by the cam shape of the flat cam portion 21 regardless of the amount of movement of the slide plate 17, and is varied by the amount of movement of the slide plate 17. The amount of depression of the actuator 13 does not vary, and even if the amount of movement of the slide plate 17 varies slightly, the contacts of the microswitch mechanism 5 can be switched accurately and reliably.

When lowering the windshield glass of the power window device, the knob 39 is manually moved counterclockwise as viewed in FIG. 1 around the shaft portion 43 against the spring force of the spring 45. When the slide plate 19 is moved to the right against the spring force of the compression coil spring 33 at this time, the slide plate 19 moves to the manual operation mode in the same manner as when the windshield glass is raised. The automatic operation mode can be obtained.

[0037]

[Effect of the device]

 As can be understood from the above description, according to the switch device of the present invention, the first slide plate and the second slide plate can individually slide in the first direction and the second direction. , The first slide plate slides in the first direction from the neutral position against the spring's spring force, and the flat cam portion of the first slide plate presses the first actuator by a predetermined amount. The contact of the micro switch structure corresponding to the above is switched, and the second slide plate slides in the second direction from the neutral position against the spring force of the spring, thereby the flat cam part of this Presses the second actuator by a predetermined amount to switch the contacts of the microswitch structure corresponding to this, so the amount of depression of these actuators depends on the first or second slider. Regardless of the amount of movement of the plate, it is uniquely determined by the cam shape of the flat cam part, and even if there is variation in the amount of movement of these slide plates, the pushing amount of the actuator does not vary, and switching of the switch contact is appropriate. And surely.

When the amount of movement of the first slide plate in the first direction or the amount of movement of the second slide plate in the second direction becomes greater than or equal to a predetermined value, the switch switching position holding solenoid device causes the spring to move. The first slide plate or the second slide plate is held in its moving position against the spring force of, thereby maintaining the state where the first actuator or the second actuator is pressed by a certain amount, A self-sustaining operating mode is obtained, which is the basis for the neutral position in the off state, for example, the raising operating position for raising the windshield glass of the power window and the descending operating position for lowering the windshield glass. In addition to having three switching positions, there are two movement positions, a self-return position and a self-holding position. The switch device with working mode position has a simple structure and does not require very high precision or subtle adjustments in the dimensions and assembly of each component, which improves productivity, stability of product performance, operational reliability, It can be obtained as a switch device with excellent durability.

Further, according to the switch device of the present invention, since the switch contact is enclosed in the micro switch case as a micro switch structure, the switch contact is less susceptible to the external environment such as dust and humidity, This also provides excellent operational reliability and durability.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment in which a switch device according to the present invention is applied as a power window switch device for an automobile.

FIG. 2 is an end view of the switch device according to the present invention shown in FIG.

FIG. 3 is a plan view of the switch device according to the present invention shown in FIG. 1 in a neutral position.

FIG. 4 is a plan view showing a self-recovery operation state of the switch device according to the present invention shown in FIG.

5 is a plan view showing a self-holding operation state of the switch device according to the present invention shown in FIG. 1. FIG.

6 is a perspective view of a main part of the switch device according to the present invention shown in FIG.

FIG. 7 is an enlarged cross-sectional view of a knob-returning mechanism providing a moderation feeling of the switch device according to the present invention shown in FIG.

[Explanation of symbols]

 1 Wiring board 3 Micro switch case 5 Micro switch mechanism 7 Micro switch mechanism 13 Actuator 15 Actuator 17 Slide plate 19 Slide plate 21 Flat cam part 23 Stopper piece 25 Flat cam part 27 Stopper piece 33 Compression coil spring 35 Engagement projection piece Part 37 Engaging projection piece part 39 Knob 45 Spring 47 Moderation pin 49 Flat cam plate 55 Switch switching position holding solenoid device 61 Movable member 63 Electromagnetic attracting part 65 Electromagnetic attracting part

Claims (1)

[Claims for utility model registration] [Claim 1] A first actuator and a second actuator, which individually switch contacts by projecting to the outer surface of the case and being pressed by a predetermined amount, are arranged in parallel with each other, and A micro switch case accommodating a micro switch structure corresponding to each of the first actuator and the second actuator, and a slidably provided on the case outer surface of the micro switch case. Has a flat cam portion that presses the first actuator by a predetermined amount by sliding in the direction, and is prohibited from sliding from the neutral position in the second direction opposite to the first direction. And a first slide plate slidably provided on the outer surface of the case of the micro switch case, and at a neutral position. A second cam that has a flat cam portion that presses the second actuator by a predetermined amount by sliding in the second direction, and is prohibited from sliding in the first direction from the neutral position. Provided on the first slide plate, and a spring for urging the first slide plate in the second direction and urging the second slide plate in the first direction. Manual operator having an engaging portion that engages between the engaging protrusion and the engaging protrusion provided on the second slide plate and is capable of reciprocating in the first direction and the second direction. And an engaging protrusion provided on the first slide plate and an engaging protrusion provided on the second slide plate, the engaging protrusion being movably provided in the first direction and the second direction. The first direction and the front of these A movable member that is restricted from moving in a second direction, and the first actuator is pressed to adsorb the movable member in the first direction, and the second actuator is pressed to press the movable member. An electromagnetic attracting portion that attracts and holds the movable member in the second direction and that attracts and holds the movable member at its moving position by moving the movable member in the first direction or the second direction by a predetermined amount or more. A switch device holding solenoid device having a switch switching position.