JPH11125046A - Lock device for car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock device for a car with which the production cost can be reduced and door opening operation is possible even after a back door panel is deformed or damaged. SOLUTION: A lock mechanism provided at a loose end portion of a back door 10 which constrains the back door 10 to a closed state by linking with a striker S fixed to a car body and an operation handle mechanism provided at a predetermined position of a back door 10 are linked together with cable means 300, and the cable means 300 has a flexible portion almost in a plane along the panel of the back door.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device for a vehicle, and more particularly, to a locking device for a vehicle used to restrain a back door.

[0002]

2. Description of the Related Art Conventionally, in such a back door lock apparatus for an automobile, a free end portion of the back door is provided to restrain the back door in a closed state by engaging with a striker fixed to a vehicle body. A lock mechanism and an operation handle mechanism provided at a predetermined position of the back door are linked by a rod, and an input from the operation handle mechanism is transmitted to the lock mechanism through the rod to release the lock, and the lock is released from outside the vehicle. (For example, see Japanese Patent Publication No. 6-63396).

[0003]

However, in a conventional automobile locking device linked with such a rod, when the rod is deformed due to, for example, deformation of a back door panel due to a rear-end collision, a door opening operation by an operation handle mechanism is performed. Is inconvenient.

In the case of multi-product production, it is necessary to slightly change the mounting position of the lock mechanism and the mounting position of the operation handle mechanism. In this case, not only the production cost increases, but also there is a possibility that a different product may be assembled during the assembly.

SUMMARY OF THE INVENTION An object of the present invention is to solve such a conventional problem, and to provide an automobile locking device which enables an opening operation even when a back door panel is deformed, and which can reduce production costs. is there.

[0006]

In order to achieve the above object, a vehicle lock device according to the present invention is provided at a free end of a back door and engages with a striker fixed to a vehicle body. A lock mechanism for restraining the back door in a closed state and an operation handle mechanism provided at a predetermined position of the back door are linked by a cable means, and the cable means is provided in a substantially plane along a panel of the back door. It is characterized by having a bending portion.

In a preferred embodiment of the present invention, the bending portion forms at least one closed loop.

According to the present invention, since the operation handle mechanism and the lock mechanism are linked by the cable means,
The operation input from the operation handle mechanism is transmitted to the lock mechanism via the cable means, the lock is released, and the door is opened from outside the vehicle. And even if the door panel is deformed, the cable means has a bending portion in a substantially plane along the panel of the back door, so that it only moves according to the deformation of the door panel, and the door opening operation is possible.

Further, even if the mounting position of the lock mechanism is slightly different from the mounting position of the operation handle mechanism, the adjustment can be performed by the bending portion, so that it is not necessary to prepare a dedicated product for each vehicle type, thereby reducing the production cost, and reducing the production cost. There is no fear of assembly.

Further, even if raindrops or the like enter from the operation handle mechanism, the cable means has a bent portion in a substantially plane along the panel of the back door, so that it is difficult to directly transmit the raindrops and the like to the lock mechanism. Can be.

According to a preferred embodiment of the present invention in which the bending portion forms at least one closed loop, in addition to the above-described effects, the raindrops and the like are reliably prevented from directly transmitting to the lock mechanism. be able to.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the embodiments shown in the accompanying drawings. Note that the same reference numerals are used for the same functional parts throughout the description and the drawings.

In FIG. 1, reference numeral 10 denotes a back door of a vehicle, and only a lower portion thereof is shown in cross section. The back door 10 has an inner panel 12 and an outer panel 14 joined together, and a space 16 is formed therebetween. 18
Denotes an operation handle accommodating recess formed in the outer panel 14.

Here, the operation handle mechanism 100 used in the present embodiment will be described first with reference to FIGS.

Reference numeral 102 denotes a base member 10 on the inner panel 12.
The legs 1021 and 1022 extending to the
A mounting portion 1023 for cable means, which will be described later, is bent and formed upright on the base portion 1020. 1024 is a bead for reinforcement.

Reference numeral 106 denotes a transmission lever in which a substantially central portion of the base portion 1060 is pivotally attached to the mounting bracket 102 by a pin 108. One end of the transmission lever has an engaging portion 1061 for engaging an operation handle described later. At the other end, a locking portion 1062 for locking a cable end of a cable means to be described later is formed at the other end by bending upright on the base portion 1060. 1063 and 1064 are beads for reinforcement. The transmission lever 106 is urged counterclockwise in FIG. 2 with respect to the mounting bracket 102 by a spring 110 wound around a pin 108. Reference numeral 112 denotes an elastic member fixed to the mounting portion 1023 of the mounting bracket 102 to prevent the transmission lever 106 from abutting.

An operation handle 120 is pivotally supported in the operation handle accommodating recess 18 so as to be rotatable around a shaft 122. One end portion 1201 of the operation handle comes into contact with the engagement portion 1061 of the transmission lever 106 to engage therewith. (See FIG. 2).

Next, the lock mechanism 200 will be described with reference to FIGS.

As shown in FIG. 1, the striker S is
The lock mechanism 200 is mounted on the free end of the back door 10 facing the striker S, that is, on the bottom surface of the inner panel 12. The lock mechanism 200 includes a meshing mechanism that meshes with the striker S, and the meshing mechanism is housed in a housing 202 that is fixed to and protrudes from the bottom surface of the inner panel 12. As is well known, the engagement mechanism includes a latch 204 with which the striker S is engaged, and a locking plate 206 which holds the striker S, that is, maintains a so-called locked state, and the housing 202 is engaged with the latch 204 of the striker S. The entrance groove 2023 is formed so as to allow the above.

The housing 202 has its flange 2021
Are fixed together with the flange 2081 of the cover bracket 208 to the bottom surface of the inner panel 12. In the present embodiment, the base portion 2080 of the cover bracket 208 is
The base portion 2080 and the bottom surface portion 2022 of the housing 202 are disposed so as to be parallel to each other, and the above-described latch 204 and the locking plate 206 are supported by the base portion 2080 and the bottom surface portion 2022, respectively. The supporting shafts 2041 and 2061 are supported. The locking plate 206 has an operated end 2062 that can be engaged with a lock release lever described later. The operated end 2062 passes through an opening formed in the bottom surface of the inner panel 12 and is inside the space 16. It protrudes.

The lock mechanism 200 further includes an operating mechanism, and the operating mechanism includes an open lever 2 that performs an unlocking operation.
10 and a lock release lever 212, and an unlocking lever 214 for locking and unlocking. Open lever 2
10 and the locking / unlocking lever 214 are
08 with a support shaft 2084 implanted in a mounting hole 2083 drilled substantially at the center of a mounting portion 2082 extending into the space 16 from the base portion 2080.
1, 2141 are coaxially pivoted.

The open lever 210 has, at one end, a connecting end 2102 connected to a cable means described later, and the other end has a base end of the lock release lever 212 and a pin 2.
13 and are pivotally connected through respective holes 2103 and 2121. The open lever 210 is urged clockwise in FIG. 2 by an urging spring 216.

As described above, the unlocking lever 212 has its proximal end pivotally connected to the open lever 210, has an operating end 2122 at its intermediate portion that can be engaged with and disengaged from the operated end 2062 of the locking plate 206, and has a distal end portion. Reference numeral 2123 denotes a hole 214 formed at the locking / unlocking end 2142 of the locking / unlocking lever 214.
3 is slidably inserted through a bush 218 (see FIG. 2).

The locking / unlocking lever 214 is capable of seesaw movement about the support shaft 2084, and a biasing arm end 2143 extending in a direction opposite to the locking / unlocking end 2142 with respect to the hole 2141 in order to maintain the respective movement positions. Are biased by a turnover spring 220. The locking / unlocking lever 214 further includes a power locking / unlocking end 2144 connected to an actuator (not shown) as a locking / unlocking operation means and a manual locking / unlocking end connected via a connecting rod 310 to a key cylinder as another locking / unlocking means. 2145.

Further, a holding portion 2084 is extended from the cover bracket 208 to the side of the mounting portion 2082, and the holding portion 2084 is caulked through holes 2085 and 2221 through which cable clamp brackets 222 are respectively formed. Fixed. Cable clamp bracket 2
22 is a base part 2220 in which the above-mentioned hole 2221 is formed.
Has a clamp 2222 bent at a right angle to the cable means 300 with the clamp 2222.
Is clamped and held.

The sheath 302 of the cable means 300 is similarly connected to the mounting portion 10 of the mounting bracket 102 described above.
23. The cable 304 of the cable means 300 has one end 3041 connected to the locking portion 106 at the other end of the transmission lever 106 as described above.
The other end 3042 is locked and connected to the connecting end 2102 of the open lever 210. Note that the cable means 300 is routed so as to have a sufficient bending portion 306 in a plane substantially along the inner panel 12 or the outer panel 14 at an intermediate portion thereof, and has a substantially U-shape in the embodiment shown in FIG. Warped. In a more preferred embodiment, the flexure forms at least one closed loop, as shown in FIG. In this way, the operation handle mechanism 10
Even if raindrops or the like enter from zero, it is possible to reliably prevent the raindrops or the like from directly transmitting to the lock mechanism 200.

At the time of assembling the locking device for a vehicle having the above-described configuration, the operating handle mechanism 100 and the locking mechanism 200 are assembled at a predetermined position of the back door 10, and then the cable means 300 is simply routed at a predetermined position. .

Next, the operation of the above-structured vehicle lock device will be described.

First, in the state shown in the figures, the back door 1
0, the lock mechanism 200 and the striker S
And are engaged. Here, when the operating handle 120 is rotated, one end portion 1201 thereof comes into contact with and engages with the engaging portion 1061 of the transmission lever 106, and the transmission lever 106 is rotated around the pin 108, and End locking part 1
The cable 304 that is locked and connected to 062 is pulled, and the open lever 210 is rotated counterclockwise in FIG. Then, the lock release lever 212 pivotally attached to the open lever 210 is guided by the bush 218 and moves rightward in FIG. 2, and the operation end 2122 engages with the operated end 2062 of the locking plate 206 to move it.

As a result, the locking plate 206 is rotated clockwise in FIG. 5 to release the latch 204. Then, the restraint of the latch 204 is released, the rotation is free, and the engagement with the striker S is released, so that the back door 10 can be opened.

When the back door 10 is opened and the operation handle 120 is returned to the original position, the transmission lever 106 is returned to the original position by the spring 110, and the open lever 210 is returned to the original position by the spring 216. Is also returned to the original position at the same time. When the back door 10 is closed from the opened state, the striker S is engaged with the latch 204, and the latch 204 is locked by the locking plate 206 to maintain the engaged state. Does not work at all.

In this state, even if the outer panel 14 or the inner panel 12 is deformed due to a rear-end collision or the like, the cable means 300 can freely move in accordance with the deformation, so that it is impossible to perform the door opening operation by the operation handle mechanism. It will not be.

The locking and unlocking operation is as follows. FIG.
In order to lock from the unlocked state shown in FIG.
To rotate the locking / unlocking lever 214 counterclockwise in FIG. Then, the tip 2123 of the lock release lever 212 is lifted by the locking / unlocking end 2142,
The lock release lever 212 is also rotated counterclockwise, and together with the locking / unlocking lever 214, the turnover spring 22 is turned on.
It is inverted and held by 0, and it is in a locked state. That is, the operation end 2122 of the lock release lever 212 is at a position where it cannot be engaged with the operated end 2062 of the locking plate 206.

In this locked state, even if the operation handle 120 is operated to move the lock release lever 212 via the open lever 210 as described above, the operation end 2122
Swings without engaging with the operated end 2062 of the locking plate 206, so that the engagement of the lock mechanism 200 cannot be released.

In order to change from the locked state to the unlocked state, the locking and unlocking lever 214 may be inverted from the locked state to the unlocked state.

[0036]

As described above, according to the present invention,
A lock mechanism provided at the free end of the back door and engaging the striker fixed to the vehicle body to restrain the back door in a closed state, and an operation handle mechanism provided at a predetermined position of the back door. Because the cable means has a bent portion in a substantially plane along the panel of the back door, even if the door panel is deformed, the cable means moves according to the deformation of the door panel. Only, and the door opening operation is possible.

Even if the mounting position of the lock mechanism is slightly different from the mounting position of the operation handle mechanism, the adjustment can be made by the bending portion, so that it is not necessary to prepare a dedicated product for each vehicle type, and the production cost can be reduced. There is no fear of assembly.

Further, even if raindrops or the like enter from the operation handle mechanism, the cable means has a bent portion in a substantially plane along the panel of the back door, so that it is difficult to directly transmit the raindrops and the like to the lock mechanism. Can be.

According to a preferred embodiment of the present invention in which the bending portion forms at least one closed loop, in addition to the above-described effects, it is possible to reliably prevent the raindrops and the like from directly transmitting to the lock mechanism. Can be.

[Brief description of the drawings]

FIG. 1 is a sectional view of a part of a back door showing one embodiment of the present invention.

FIG. 2 is a rear view of an essential part showing one embodiment of the present invention.

3A and 3B show main components constituting an embodiment of the present invention, wherein FIG. 3A is a rear view of a part of a cover bracket, and FIG.
Is a rear view of the locking and unlocking lever, (c) is a side view of a part of the locking and unlocking lever, (d) is a rear view of the open lever,
(E) is a side view of a part of the open lever, and (f).
FIG. 3 is a rear view of the lock release lever, and FIG. 3G is a rear view of the cable clamp bracket.

4A and 4B show main components constituting an embodiment of the present invention, wherein FIG. 4A is a perspective view from the front of a cover bracket,
(B) is a perspective view from the back of the locking / unlocking lever, and
(C) is a perspective view from the back of the open lever.

FIG. 5 is a sectional view taken along line xx of FIG. 1;

FIG. 6 is a sectional view of a part of a back door according to another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Back door 100 Operation handle mechanism 102 Mounting bracket 106 Transmission lever 120 Operation handle 200 Lock mechanism 202 Housing 204 Latch 206 Locking plate 208 Cover bracket 210 Open lever 212 Lock release lever 214 Locking / unlocking lever 222 Cable clamp bracket 300 Cable means 302 Outer jacket 304 Cable 306 Flexure

Claims (2)

[Claims] 1. A lock mechanism provided at a free end of a back door and engaging a striker fixed to a vehicle body to restrain the back door in a closed state, and a lock mechanism provided at a predetermined position of the back door. A lock device for an automobile, wherein the operation handle mechanism is linked with a cable means, and the cable means has a bending portion in a substantially plane along the panel of the back door. 2. The vehicle locking device according to claim 1, wherein the bending portion forms at least one closed loop.