JP2000234464A - Lock device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock device which accurately detects a full-locked state. SOLUTION: An unlock abutting part 114 is provided on the circumference of a first circle with its center as a pin 109 which is a rotational axis of a hook, a half-lock engagement part 115 is provided on the circumference of a second circle whose center is the pin 109 of the hook and whose diameter is smaller than the first circle, and a full-lock engagement part 117 is provided on the circumference of a third circle whose center is the pin 109 of the hook and whose diameter is smaller than the second circle. A detecting means is so configured as to be interlocked with the position of a pole 111.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a striker provided on one of a vehicle body and a door, a pole rotatably provided on the other of the vehicle body and a door, and a pole provided adjacent to the pole. A groove is formed through which the striker can enter,
When the striker is rotatable between an unlocked position where the striker can enter the groove and a full lock position where the striker that has entered the groove cannot be released, and when the striker is in the unlocked position, the pole is in contact with the striker. When the pole is engaged at the half-lock position, which is an intermediate position between the unlock position and the full lock position, and the half-lock engagement portion at which the pole engages, A hook formed with a full lock engaging portion to be engaged, first urging means for urging the hook toward the unlock position, and second urging means for urging the pawl in the hook direction. And a detecting device for detecting a full lock state.

[0002]

2. Description of the Related Art A lock device with a power opener will be described with reference to FIGS. FIG. 5 is a cross-sectional view of the lock device with the power opener as viewed from the front, and is a cutting line AA in FIG.
6, FIG. 6 is a top view of FIG. 5 showing an unlocked state, FIG. 7 is a view showing a half-locked state in FIG. 6, and FIG. 8 is a view showing a full-locked state in FIG.

[0003] On a base 1 provided on the door (door) side,
A hook 7 having a groove 5 in which the striker 3 on the vehicle body side can enter is rotatably provided using a pin 9. The hook 7 has a position shown in FIG. 6, that is, a position where the striker 3 can enter the groove 5 (an unlock position), and a position shown in FIG. 8, ie, the striker 3 that has entered the groove 5 cannot be disengaged. Position (full lock position).

The hook 7 is urged toward the unlock position by urging means such as a spring (not shown).
A pole 11 is rotatably provided on the base 1 by using a pin 13 adjacent to the hook 7. The pawl 11 is urged in the direction of the hook 7 by an urging means such as a spring (not shown) and engages with the hook 7 to prohibit the rotation of the hook 7 in the unlocking direction.

An unlocking contact portion 14 to which the engaging portion 19 of the pawl 11 can contact when the hook 7 is in the unlocking position (the state shown in FIG. 6) Is between the full lock and unlock positions
At the time of the half lock (the state shown in FIG. 7), when the half lock engagement part 15 with which the engagement part 19 of the pawl 11 can be engaged and the hook 7 is in the full lock position (the state shown in FIG. 8), Full lock engaging portion 1 with which engaging portion 19 of pawl 11 can be engaged
7 are formed.

In the conventional example, the full lock engagement portion 17 is provided.
And the distance (r1) between the pin 9 and the rotation center of the hook 7 is
Distance between half-lock engaging portion 15 and pin 9 of hook 7
It is set to be almost the same as (r2).

A drive motor 21 is provided above the lock device. The base end of an arm 25 is attached to the output shaft 23 of the drive motor 21, and the arm 25 rotates together with the output shaft 23.

One end of an open lever 29 whose intermediate portion is rotatably provided by using a pin 27 extends toward the arm 25, and the other end extends toward the pole 11 of the lock device.

An elongated hole 31 is formed at one end of the open lever 29, and a pin 33 provided on the rotating end of the arm 25 is loosely fitted in the elongated hole 31. The other end of the arm 25 can contact the projection 35 of the pole 11.

A pin 41 is attached to the hook 7. When the hook 7 rotates to the full lock position, a contact (45) is pressed by the pin 41 and a switch (a courtesy switch) 43 is provided on the base 1 side.

The operation of the above configuration will be described. When the door (see FIG. 6: unlocked state) in the open state is closed, the striker 3 enters the groove 5 of the hook 7, and the striker 3 pushes the wall surface of the groove 5, so that the hook 7 is attached It rotates in the locking direction against the urging force of the urging means.

When the hook 7 rotates, the engaging portion 19 of the pawl 11 engages with the half lock engaging portion 15 of the hook 7.
(Refer to FIG. 7), a half lock state is set. Further, when the door is closed, the hook 7 further rotates, and the engaging portion 19 of the pole 11 is rotated.
Engages with the full lock engaging portion 17 of the hook 7 (see FIG. 8), and is brought into a full lock state.

At this time, the pin 41 of the hook 7 is
By pressing the contact 45 of No. 3, the switch 43 responds. In response to the operation of the switch 43, the interior lamp of the vehicle is turned off, the half-door warning light is turned off, and the keying by the remote control key is permitted.

Conversely, when opening a closed door,
By driving the drive motor 21, in FIG.
Is rotated in the direction of the arrow. Then, the open lever 29
Pushes the projection 35 of the pole 11 and the pole 1
1 is rotated in a direction away from the hook 7 against the urging force of the urging means (not shown).

That is, the engagement between the engaging portion 19 of the pawl 11 and the full lock engaging portion 17 or the half lock engaging portion 15 of the hook 7 is released, and the hook 7 is actuated by the urging force of the urging means (not shown). , And rotate in the unlocking direction to reach the state shown in FIG.

[0016]

However, the lock device with a power opener having the above configuration has the following problems.

(1) Switch 4 for detecting full lock state
Numeral 3 is responsive to the rotation of the hook 7.
However, even if the hook 7 rotates to the full lock position, there is no guarantee that the pawl 11 is engaged with the full lock engagement portion 17 of the hook 7.

That is, the switch 43 responds even when the pole 11 does not rotate in the direction of the hook 7 for some reason and only the hook 7 is rotated to the full lock position by the striker 3 (pseudo-lock state).

Therefore, the full lock state may not be detected. (2) Since the drive motor 21 and the switch 43 are mounted separately from each other, two systems of wiring (wire harness) are required.

The present invention has been made in view of the above problems, and a first object of the present invention is to provide a lock device that can accurately detect a full lock state. A second object is to provide a lock device in which wiring is simplified.

[0021]

According to a first aspect of the present invention, a striker provided on one of a vehicle body and a door and a striker provided on the other of the vehicle body and the door are rotatably provided. A pole, a groove is provided adjacent to the pole, and a groove through which the striker can enter is formed; an unlock position at which the striker can enter the groove; and a full position at which the striker entering the groove cannot be removed. While being able to rotate between the locked position and when in the unlocked position,
When the pole is in an unlock contact portion, which is in an intermediate position between an unlock position and a full lock position in a half lock position, a half lock engagement portion in which the pole engages, when in a full lock position, A hook formed with a full-lock engagement portion with which the pawl is engaged, first urging means for urging the hook toward the unlock position, and a second urging means for urging the pawl in the hook direction A lock device having a biasing unit and a detecting unit that detects a full lock state, wherein the unlock contact portion is disposed on a circumference of a first circle around a rotation axis of the hook. The half lock engagement portion is centered on the rotation axis of the hook, and on the circumference of a second circle having a smaller diameter than the first circle, the full lock engagement portion is centered on the rotation axis of the hook, A third circle having a smaller diameter than the second circle Provided on the circumference, wherein the detecting means,
A lock device that responds according to the position of the pawl.

The unlock contact portion of the hook with which the pole contacts is placed on the circumference of the first circle centered on the rotation axis of the hook.
The half-lock engaging portion of the hook engaged with the pole is centered on the rotation axis of the hook, and the full-lock engagement of the hook engaged with the pole is formed on the circumference of a second circle having a smaller diameter than the first circle. The pole is provided on the circumference of a third circle having a diameter smaller than the second circle around the rotation axis of the hook, so that the pole is unlocked and half-locked in a state other than the pseudo-locked state. The position is always different in the full lock state.

Since the detection section responds to the position of the pole, the full lock state is accurately detected. According to a second aspect of the present invention, there is provided the lock device according to the first aspect of the present invention, wherein a driving source for driving the pole is provided, and the detecting means is provided in the driving source.

By providing the detection means in the drive source, the wiring becomes one system.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lock device with a power opener according to an embodiment of the present invention will be described below with reference to the drawings. 1 is a plan view of a lock device with a power opener, FIG. 2 is a cross-sectional view taken along section line BB of FIG. 1, FIG. 3 is a diagram showing a half-lock state in FIG. 1, and FIG. FIG.

In FIGS. 1 and 2, a striker 103 on the vehicle body side is provided on a base 101 provided on the door (door) side.
A hook 107 provided with a groove 105 into which a hole can enter is rotatably provided using a pin 109.

The hook 107 is at the position shown in FIG. 1, that is, the position where the striker 103 can enter the groove 105.
(Unlock position) and the position shown in FIG.
The position where the striker 103 that entered the 05 cannot be removed
(Full lock position).

The hook 107 is urged toward the unlock position by urging means such as a spring (not shown). A pole 111 is rotatably provided on the base 101 adjacent to the hook 107 by using a pin 113. The pawl 111 is urged in the direction of the hook 107 by an urging means such as a spring (not shown) and engages with the hook 107 to thereby prevent the hook 107 from rotating in the unlocking direction.

At the periphery of the hook 107, a hook 107
Is in the unlock position (the state shown in FIG. 1), the unlocking contact portion 1 with which the engaging portion 119 of the pawl 111 can contact.
14 and when the hook 107 is between the full lock position and the unlock position (half lock: state shown in FIG. 3)
In addition, the half lock engagement portion 115 to which the engagement portion 119 of the pawl 111 can be engaged, and the hook 107 are in the full lock position.
(The state shown in FIG. 4), the engaging portion 1 of the pole 111
19 is formed with a full lock engaging portion 117 to which the engaging portion 19 can engage.

In this embodiment, the unlocking contact portion 114 is a pin 109 which is a rotation shaft of the hook 107.
And formed on the circumference of a first circle having a radius R1 centered at. The half lock engagement portion 115 is
With a radius R2 smaller than the radius R1 of the first circle
Formed on the circumference of the circle.

The full lock engaging portion 117 is
Centered on the pin 109, and formed on the circumference of a third circle having a radius R3 smaller than the radius R2 of the second circle. A drive motor 121 is provided above the lock device. A base end of an arm 125 is attached to the output shaft 123 of the drive motor 121, and the arm 125 rotates with the output shaft 123.

One end of an open lever 129 whose intermediate portion is rotatably provided by using a pin 127 is connected to an arm 1
25 direction, and the other end is the pole 11 of the locking device.
It extends in one direction.

At one end of the open lever 129,
An elongated hole 131 is formed.
A pin 133 provided on the rotation end side of the 25 is loosely fitted. At the other end of the arm 125, a groove 137 for holding the projection 135 formed on the pole 111 is formed.

An arm 141 is attached to the output shaft 123 of the drive motor 121. Therefore, even when the drive motor 121 is not driven, when the pawl 111 rotates, the open lever 129 and the arm 125
The output shaft 123 of the drive motor 121 rotates, and the arm 141 attached to the output shaft 123 also rotates in conjunction with the rotation.

Further, the drive motor 121 includes an arm 14
The switch 143 which responds when the contact 145 is pushed by 1
Is provided. The operation of the above configuration will be described. When the door is open (see Fig. 1: unlocked), the pole 1
11 is in contact with the unlock contact portion 114 of the hook 107.

Here, when the door is closed, the hook 10
7, the striker 103 enters the groove 105, and the striker 103 pushes the wall surface of the groove 105, so that the hook 10
Reference numeral 7 rotates in the locking direction against the urging force of the urging means (not shown).

When the hook 107 rotates, the pole 111
The engagement portion 119 of the hook 107 is the half lock engagement portion 1 of the hook 107.
15 (see FIG. 3) to be in a half-lock state. The half lock engagement portion 115 of the hook 107 has a second radius smaller than the first circle on which the unlock contact portion 114 is formed.
2, the pawl 111 rotates in the direction of the hook 107 and the open lever 129 is
, The position moves from the position D1 indicated by the solid line to the position D2 indicated by the two-dot chain line.

When the open lever 129 moves from the position D1 to the position D2, the output shaft 123 also rotates via the arm 125, and the arm 141 attached to the output shaft 123 also moves from the position D1 to the position D2. Move in conjunction.

Further, when the door is closed, the hook 107 further rotates, and the engaging portion 119 of the pawl 111 engages with the full lock engaging portion 117 of the hook 107 (see FIG. 4), and the full lock state is established.

The full lock engagement portion 117 of the hook 107 is formed on the circumference of a third circle having a smaller radius than the second circle on which the half lock engagement portion 115 is formed. Rotating in the direction 107, the open lever 129 moves from the position D2 to the position D3 in FIG.

When the open lever 129 moves from the position D2 to the position D3, the output shaft 123 also rotates via the arm 125, and the arm 141 attached to the output shaft 123 also moves from the position D2 to the position D3. Move in conjunction.

When the arm 141 moves to the position D3, the contact 145 of the switch 143 is pushed, and the switch 143 responds. In response to the operation of the switch 143, the interior lamp of the vehicle is turned off, the half-door warning light is turned off, and keying by the remote control key is permitted.

Conversely, when opening a closed door,
By driving the drive motor 121, in FIG.
25 is rotated in the direction of the arrow. That is, the open lever 129 at the position D3 is rotated in the direction D1.

The pole 111 rotates in a direction away from the hook 107 in conjunction with the movement of the open lever 129. That is, the engaging portion 119 of the pawl 111 and the hook 107
Full lock engagement portion 117 or half lock engagement portion 11
The hook 107 is released, and the hook 107 is rotated in the unlocking direction by the urging force of the urging means (not shown) to be in the state shown in FIG.

Here, the output shaft 12 of the drive motor 121 is
The arm 141 is also rotated by the rotation in the direction of the arrow 3.
When the engaging portion 119 of the pawl 111 is engaged with the full lock engaging portion 117 of the hook 107, the arm 141 separates from the contact 145 of the switch 143.
The responsive state of 43 is released.

According to the above configuration, the unlocking contact portion 114 of the hook 107 with which the pawl 111 contacts is connected to the hook 10.
The first of the radius R1 centered on the pin 109 which is the rotation axis of No. 7
Hook 107 on which the pole 111 is engaged on the circumference of the circle
The half-lock engagement portion 115 has a radius R2 smaller than the first circle around the pin 109 which is the rotation axis of the hook 107.
On the circumference of the second circle, the full lock engagement portion 117 of the hook 107 with which the pole 111 is engaged is centered on the pin 109 which is the rotation axis of the hook 107, and has a radius R3 smaller than the second circle. The pole 1 is located on the circumference of the circle 3
In the state 11 other than the pseudo lock state, the position is always different between the unlock state (see FIG. 1), the half lock state (see FIG. 3), and the full lock state (see FIG. 4).

The switch 143 serving as a detection unit is connected to the pole 1
Since it is turned on and off by the arm 141 that rotates in conjunction with the motor 11, the full lock state can be accurately detected. Further, since the switch 143 is provided in the drive motor 121, the wiring to the drive motor 121 and the switch 143 can be integrated into one system, and the wiring is simplified.

The present invention is not limited to the above embodiment. In the above embodiment, the description has been given of the example in which the striker is provided on the vehicle body side, and the pole 111 and the hook 107 are provided on the door side.
It is also applicable when a striker is provided on the door side.

Further, in the above embodiment, the lock device with a power opener has been described. However, the lock device with an automatic closer which draws the door by a driving source when the door is in a half-door state can be applied.

[0050]

As described above, according to the first aspect of the present invention, the unlock contact portion of the hook with which the pawl contacts is positioned on the circumference of the first circle centered on the rotation axis of the hook. The half-lock engaging portion of the hook engaged with the pole is centered on the rotation axis of the hook, and the full-lock engagement of the hook engaged with the pole is formed on the circumference of a second circle having a smaller diameter than the first circle. The pole is provided on the circumference of a third circle having a diameter smaller than the second circle around the rotation axis of the hook, so that the pole is unlocked and half-locked in a state other than the pseudo-locked state. The position is always different in the full lock state.

Since the detecting section responds according to the position of the pole, the full lock state can be accurately detected. According to the second aspect of the present invention, since the detection means is provided in the drive source, the wiring can be made one system, and the wiring is simplified.

[Brief description of the drawings]

FIG. 1 is a plan view of a lock device with a power opener.

FIG. 2 is a sectional view taken along section line BB of FIG. 1;

FIG. 3 is a view showing a half-locked state in FIG. 1;

FIG. 4 is a diagram showing a full lock state in FIG. 1;
It is.

5 is a cross-sectional view of the lock device with a power opener as viewed from the front, and is a cross-sectional view taken along a cutting line AA in FIG. 6;

FIG. 6 is a diagram showing an unlocked state in the top view of FIG. 5;

FIG. 7 is a diagram showing a half-locked state in FIG.

FIG. 8 is a diagram showing a full lock state in FIG. 6;

[Explanation of symbols]

 107 Hook 109 Pin 111 Pole 114 Unlock abutment part 115 Half lock engagement part 117 Full lock engagement part

Claims (2)

[Claims] 1. A striker provided on one of a vehicle body and a door, a pole rotatably provided on the other of the vehicle body and a door, and a striker provided adjacent to the pole so that the striker can enter. The striker is rotatable between an unlock position where the striker can enter the groove and a full lock position where the striker that has entered the groove cannot be removed, and is in the unlock position. Sometimes, the pole is in contact with the unlocking contact portion, when the half-lock position is an intermediate position between the unlock position and the full-lock position, the half-lock engaging portion where the pawl engages is in the full-lock position. A hook formed with a full-lock engaging portion with which the pawl is engaged, first urging means for urging the hook toward an unlock position, and moving the pawl toward the hook. A lock device comprising: a second urging means for urging; and a detecting means for detecting a full lock state, wherein the unlock contact portion is formed by a first circle having a center on a rotation axis of the hook. On the circumference, the half lock engagement portion is centered on the rotation axis of the hook, and the full lock engagement portion is formed on the circumference of a second circle having a smaller diameter than the first circle. A lock device, wherein the lock device is provided on a circumference of a third circle having a smaller diameter than the second circle with the rotation axis as a center, wherein the detection means responds to the position of the pole. 2. The lock device according to claim 1, wherein a drive source for driving the pawl is provided, and the detection unit is provided on the drive source.