JPH08303083A - Door lock switch structure - Google Patents

Abstract

PURPOSE: To surely release a door lock at the time of a collision and simplify the circuit structure by connecting a collision detecting sensor to the unlocking circuit section of a door locking circuit in parallel with a door lock switch. CONSTITUTION: When a door lock switch operation knob 19 is operated to the lock side, an action piece 4a is operated to lock a door. When a hand is removed from the door lock switch operating knob 19, it is returned to the neutral position. When the operation knob 19 is operated to the unlock side, the action piece 4a is connected to an unlock side contact point from a moving contact piece to release the lock. When the hand is removed from the operation knob 19, it is returned to the neutral position. When a vehicle collides, a collision detecting sensor 22 is operated, a ball 27 enters between contact points 24a, 25a from a recess 26, both contact points 24a, 25a are short-circuited, and a door locking mechanism section is operated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock switch structure used for a vehicle door lock.

[0002]

2. Description of the Related Art In the conventional door lock switch structure of this type, when the door is closed and the door lock switch operation knob is operated to the lock side, the door lock switch is actuated and a lock signal is sent to the door lock controller. Is output and the door locking mechanism is operated to lock the door.

Further, the collision detection sensor is mounted on the vehicle body of the vehicle and is formed in a circuit different from the door lock switch circuit. The collision detection sensor operates at the time of a collision and outputs a lock release signal to the door lock controller. Is output.

[0004]

However, in the above-mentioned configuration of the conventional example, since the collision detection sensor is formed as a circuit different from the door lock switch circuit incorporating the door lock switch, the circuit configuration is There was a problem that it became complicated.

The present invention solves the above problems, and an object of the present invention is to simplify a circuit structure for unlocking a door at the time of a collision and ensure a reliable unlocking of the door at the time of a collision. To provide the structure.

[0006]

In order to achieve the above object, a door lock switch structure according to the invention of claim 1 has a door lock circuit in which a door lock switch is connected to a door lock controller, and a door lock switch is activated when the door lock switch is activated. A collision detection sensor that outputs a release signal to the lock controller is connected.

In order to achieve the above object, the door lock switch structure according to the invention of claim 2 is defined by claim 1.
In the door lock switch structure according to the invention, the collision detection sensor is connected to the unlock circuit portion of the door lock circuit in parallel with the door lock switch.

In order to achieve the above object, the door lock switch structure according to the invention of claim 3 is the same as that of claim 1.
Alternatively, in the door lock switch structure according to the invention of claim 2, the collision detection sensor is incorporated into a power window switch unit having a door lock switch operation knob and a door lock switch operated by operation of the door lock switch operation knob. It is.

[0009]

In the door lock switch structure according to the present invention, the circuit structure for unlocking the door at the time of collision is simplified, and the door lock can be reliably unlocked at the time of collision.

[0010]

Embodiments of the present invention will now be described in detail with reference to the drawings. 1 is a plan view of a power window switch structure having a door lock switch structure according to the present invention, FIG. 2 is a front view of the power window switch structure, and FIG. 3 is A of FIG.
FIG. 4 is a sectional view taken along line A, FIG. 4 is an electric circuit diagram of the door lock switch structure according to the present invention, and FIG.

The door lock switch structure according to the present invention is incorporated in the power window switch structure B. That is, this power window switch structure B is
A case 1, a cover 2, a substrate 3, a door lock switch 4, a push button switch (not shown), and a power window switch 21 are provided.

The case 1 is in the shape of a box having an open upper surface, and a socket 5 and a mounting portion 7 are integrally formed on the rear surface of the case 1, and the socket 5 has a plurality of terminals 6. Is provided.

The cover 2 has a lower surface which is open and has mounting portions 2A at the front and rear thereof. On the upper surface portion 2a of the cover 2, the operation knob mounting portion 8 and the push button mounting portion (see FIG. (Not shown) is provided, and front and rear and left and right power window operating knob mounting portions 10 are provided on the upper surface portion 2a of the cover 2. A door lock switch operating knob 9 is mounted on the operating knob mounting portion 8, and the operating shaft portion 11 is connected to the support shaft pin 1.
2 is supported so as to be swingable in the front-back direction,
A push button 13 is attached to the push button attachment portion.

The power window operating knobs 14 are attached to the front, rear, left and right power window operating knob mounting portions 10, respectively.
However, each operation shaft portion 18 is supported by a support shaft pin 19 so as to be swingable in the front-rear direction.

A door lock switch 4, a push button switch, and front, rear, left and right power window switches 21 are mounted on the front mounting surface 3a of the board 3, and the mounting surface 3b on the back side of the board 3 is mounted. A collision detection sensor 22 is mounted on. The collision detection sensor 22 has contacts 24a and 25a of terminals 24 and 25 arranged vertically apart from each other in a case 23, and a recess 26 is formed in the contact 25a of the terminal 25, and a ball 27 rolls in the recess 26. It is a configuration that can be mounted.

The board 3 is mounted on the open upper surface of the case 1, and a plurality of terminals 6 of the socket 5 are connected to a connection pattern (not shown) of the board 3. . The case 1 is covered with the cover 2, and they are connected to each other by screws 28 with the substrate 3 inside. In this case, the grip portion 15 provided at the end of the operation shaft portion 11 of the door lock switch operation knob 9 slidably grips the operator 4a of the door lock switch 4, and the push button 13 is The push button switch is in contact with an actuator (not shown), and further, each operation shaft portion 17 of the power window operation knob 14 is abutted.
The gripping portion 16 provided at the end of the gripper slidably grips the operating element 17 of the power window switch 21.

The power window switch structure B constructed as described above is mounted on the vehicle compartment side of the vehicle door, and a door locking mechanism (not shown) is mounted on this door. The door lock switch 4 is incorporated in a door lock circuit 30 connected to a door lock controller (not shown), and an unlock circuit section 20 of the door lock circuit 30 is connected to the door lock switch 4 in parallel. The collision detection sensor 22 is connected to the.

Next, the operation of the door lock switch structure constructed as described above will be described. When the door is closed and the door lock switch operating knob 19 is operated to the lock side, the operator 4a in the door lock switch 4 is operated.
Is operated to connect the movable contact 31a to the lock side contact 31b, a lock signal is output to the door lock controller, the door locking mechanism is operated, and the door is locked. Then, when the door lock switch operation knob 19 is released, the door lock switch operation knob 19 returns to the neutral position by the return force of the return spring (not shown), and the movable contact piece 31a moves through the operator 4a. It leaves the lock side contact 31b and returns to the neutral position.

Further, the door lock switch operating knob 1
When 9 is operated to the unlock side, in the door lock switch 4, the actuator 4a is actuated, the movable contact piece 31a is connected to the unlock side contact 31c, and the unlock signal is output to the door lock controller. The door locking mechanism is operated to unlock the door. When the door lock switch operation knob 19 is released, the door lock switch operation knob 19 returns to the neutral position by the return force of the return spring (not shown), and the operator 4
The movable contact piece 31a is separated from the unlock side contact 31c via a and returns to the neutral position.

When the vehicle collides, the collision detection sensor 22 operates as shown in FIG. 5, that is, the ball 27 rotatably mounted in the recess 26 of the contact 25a of the terminal 25. Protrudes from the recess 26 and the terminal 2
The ball 27 enters between the contact points 24a and 25a of the 4 and 25,
Both contacts 24a, 25a are short-circuited, a lock release signal is output to the door lock controller, the door locking mechanism is operated, and the door lock is released.

In the above-described embodiment, the collision detection sensor 22 is connected in parallel with the door lock switch 4 to the unlock circuit section 20 of the door lock circuit 30 so that the door lock is released at the time of collision. The circuit configuration of is simplified, and the door lock can be reliably released in the event of a collision.

[0022]

As described in detail above, in the door lock switch structure according to the invention of claim 1, the door lock switch is connected to the door lock controller, and the door lock release signal is activated when the door lock circuit is activated. By connecting a collision detection sensor that outputs to the controller, the circuit configuration for unlocking the door at the time of collision becomes simple,
The door lock can be reliably released in the event of a collision.

A door lock switch structure according to a second aspect of the present invention is the door lock switch structure according to the first aspect of the invention, wherein the door lock switch has an unlock circuit portion in parallel with the door lock switch. By connecting the collision detection sensor, the circuit structure for unlocking the door at the time of collision can be simplified, and the door lock at the time of collision can be reliably released.

A door lock switch structure according to a third aspect of the present invention is the door lock switch structure according to the first or second aspect of the present invention, wherein the collision detection sensor is a door lock switch operation knob and this door. By incorporating it into the power window switch unit that has a door lock switch that is operated by operating the lock switch operation knob, the circuit structure for unlocking the door in the event of a collision is simplified, and the door lock in the event of a collision is reliably released. Not only can it be assembled, but the ease of assembly is also improved.

[Brief description of drawings]

FIG. 1 is a plan view of a power window switch unit having a door lock switch structure according to the present invention.

FIG. 2 is a front view of the power window switch unit.

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

FIG. 4 is an electric circuit diagram of a door lock switch structure according to the present invention.

FIG. 5 is an operation explanatory view at the time of a collision in the door lock switch structure.

[Explanation of symbols]

 4 Door lock switch 20 Unlock circuit section 22 Collision detection sensor 30 Door lock circuit

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[Procedure amendment]

[Submission date] September 4, 1995

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Added

[Correction content]

FIG.

[Fig. 2]

[Figure 3]

[Figure 4]

[Figure 5]

Claims (3)

[Claims] 1. A door lock switch structure, wherein a door lock switch is connected to a door lock circuit connected to a door lock controller, and a collision detection sensor that outputs a door lock release signal to the lock controller when activated is connected to the door lock circuit. 2. The door lock switch structure according to claim 1, wherein the collision detection sensor is connected in parallel to the door lock switch to an unlock circuit portion of the door lock circuit. 3. The power window switch unit having a door lock switch operating knob and a door lock switch which is operated by operating the door lock switch operating knob, wherein the collision detection sensor is incorporated in a power window switch unit. Door lock switch structure.