JPH04353181A - Door unlock unit for automobile - Google Patents

Abstract

PURPOSE:To promote controllability and to reduce a cost. CONSTITUTION:A control cable 50 is extended from an inside handle, an inner wire 52 of the control cable 50 is directly connected to a relay lever 42, so that an inside lever, etc., such as relay members are not required, and a cost can be reduced. A groove entry of a guide groove of the inner wire 52 is opened downward, so that the incursion of rain water into the groove entry can be prevented, and an operational defect does not occurred.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unlocking device for an automobile door lock which is operated by an inside handle via a control cable.

0002

2. Description of the Related Art A conventional automobile door lock release operating device includes a door lock attached to the rear edge of the door, a connecting rod extending from the inside lever of the door lock to the front inside handle, Generally, when the inside handle is operated, the connecting rod is pulled, the inside lever swings, and the relay lever swings upward to release the lock.

[0003] Also, it has been considered to use a control cable instead of the connecting rod. The tip of the inner wire, which protrudes from the rear end of the control cable's outer casing in a nearly horizontal direction, is connected to the inside lever, and when the inside handle is operated, the inner wire is pulled and the inside lever swings. Then, the relay lever swings upward to release the lock.

0004

[Problem to be Solved by the Invention] However, in the former case, the inside lever is used as a component in the conventional unlocking operation device for a door lock for an automobile, which has a large number of parts, which is a factor in increasing the cost. The latter improves ease of assembly and increases versatility, but like the former, the inside lever is a component, so
In addition, there were problems in that the cost was high, and rainwater etc. entered from the rear end of the control cable, causing malfunctions and reducing operability, as well as being inferior in terms of durability.

The present invention has been made in view of these conventional problems, and aims to reduce the number of parts, reduce costs, improve operability, and further increase durability. The object of the present invention is to provide an unlocking operation device for a door lock for an automobile.

[0006]

[Means for Solving the Problems] The gist of the present invention to achieve the above object is as follows: 1. An unlocking device for an automobile door lock which is configured to be unlocked by an inside handle via a control cable. A relay lever that moves up and down to release the lock is provided on the base member of the door lock, and a guide member for the inner wire of the control cable is fixed to the base member of the door lock, and the guide member The inner wire has a guide groove that guides the tip of the inner wire in a downwardly curved state, and the inner wire has a guide groove that guides the tip of the inner wire in a downwardly curved state, and the tip of the inner wire protrudes and retracts toward the relay lever side located below when the inside handle is operated. 1. A lock release operating device for a door lock for an automobile, characterized in that a guide groove has a groove opening facing downward, and a tip of the inner wire is directly connected to the relay lever.

2. The unlocking device for an automobile door lock according to item 1, wherein the guide member is formed by a curved pipe member.

[0008]

[Operation] The groove opening of the guide member is opened toward the relay lever side located below, and the tip of the inner wire of the control cable comes out from the groove opening, so that rainwater can be removed from the groove opening of the guide member. will not enter.

[0009] In the lock release operation device having the above configuration,
When the inside handle is operated, the inner wire is pushed and pulled, the tip of the inner wire is guided in a curved state by the guide groove, and the tip of the inner wire comes out and goes out from the groove opening of the guide groove, for example, on the door lock side. The relay lever moves up and down. This will unlock it.

0010

DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments of the present invention will be described below with reference to the drawings.

1 to 3 show a first embodiment of the present invention.

As shown in FIG. 2, the automobile door lock device 10 according to this embodiment is mounted on the end face of the door at a position facing a striker (not shown).

As shown in FIG. 3, the base member of the door lock device 10 includes a base plate 21 and a cover plate 22.
A resin body 24 is filled between the base plate 21 and the cover plate 22, and the cover plate 22 is covered with a resin cover 23. An engagement mechanism 30 is attached to the base plate 21, and a resin cover 23 is attached to the base plate 21.
An operating mechanism 40 is mounted on the mounting wall 26 of. The engagement mechanism 30 includes a latch (not shown) that can be engaged with and disengaged from the striker, and a locking plate 32 that is engaged with and disengaged from the latch.

The latch is biased in a direction away from the striker by a biasing spring (not shown). The locking plate 32 is biased in the direction of engagement with the latch by a biasing spring, also not shown. Locking plate 32
has a locking end that engages and disengages from the locked end of the latch, and also has an operated end 33.

The operating mechanism 40 includes a relay lever 42 that performs an unlocking operation, and a locking/unlocking lever 43. The relay lever 42 and the lock/unlock lever 43 are respectively attached to the resin cover 23.

The relay lever 42 is connected to the locking plate 3
The operating end 42b that engages with and disengages from the operated end 33 of No. 2 is provided in the middle part, and a long hole 42c is bored in the distal end part.

The lock/unlock lever 43 can see-saw around the pivot 27 and is biased by a turnover spring so that it can be reversed and held in each of the locked and unlocked positions, and is installed at the operating end. The pin member 43a is movably fitted into the elongated hole 42c of the relay lever 42. Lock/unlock lever 4
A through hole 43b is formed in the upper end of 3, and the lower end of the operating rod (not shown) engages with the through hole 43b, and the lower end of the lock/unlock lever 43 serves as a manual lock/unlock end 43c connected to a key cylinder. There is.

As shown in FIGS. 1 and 2, a control cable 50 extends from an inside handle (not shown) in a substantially horizontal direction above the door lock device 10, and curves significantly downward at the upper position. control cable 5
0 consists of an outer cable 51 and an inner wire 52.

A flange is formed on the peripheral edge of the mounting wall 26 of the resin cover 23, and a notch 27 is formed on the upper edge flange 26a of the mounting wall 26. An upper end flange portion 42a of the relay lever 42 is located below the notch portion 27. A cylindrical fitting recess 28 is formed in the upper edge flange 26a and is approximately centered on the notch 27, and the fitting recess 28 is open upward.

The distal end of the outer cable 51 is fitted into the fitting recess 28 . That is, in this embodiment, the distal end of the control cable 50 is extended as it is to serve as a guide member. The tip end of the control cable 50 is a groove in the guide member. The tip of the inner wire 52 extends downward through the notch 27, an end member 53 is fixed to the tip of the inner wire 52, and the end member 53 is connected to the upper end flange 42a via the clip member 54. has been done.

Next, the operation will be explained.

[0022] In the lock release operation device having the above structure, since the end opening of the outer cable 51 of the control cable 50 is opened facing downward, rainwater etc. do not enter from the end opening of the control cable 50.
No malfunction will occur.

[0023] When you operate the inside handle (not shown),
The inner wire 52 is pulled, the inner wire 52 is guided by the outer cable 51, and the tip of the inner wire 52 is inserted into the tip opening of the control cable 50.

When the inner wire 52 enters the end opening of the control cable 50, the relay lever 42 is pulled up against the force, and the operating end 42b of the relay lever 42 is pulled up.
comes into contact with the operated end 33 of the locking plate 32,
The operated end 33 swings and comes off the latch (not shown),
The latch will come off the striker (not shown) and unlock.

FIGS. 4 and 5 show a second embodiment of the present invention.

In this embodiment, the rear end portion of the control cable 50 extending rearward is directly connected without bending to the entrance 61 of the pipe member 60, which is a guide member that opens substantially toward the front. The pipe member 60 is largely curved downward, and the lower end 62 of the pipe member 60 is fitted into the fitting recess 28. The groove opening of the lower end portion 62 faces downward, and the inner wire 52 can extend and retract toward the upper end flange portion 42a of the relay lever 42. Further, a stopper flange 63 is formed at the lower end portion 62 and comes into contact with the upper edge of the fitting recess 28 .

The rear end portion of the control cable 50 can be connected by fitting it into the entrance 63 of the pipe member 60 that opens approximately toward the front, which improves ease of assembly and reduces sliding resistance. By using a reduced number of ideally curved pipe members 60, operability can be improved.

FIGS. 6 and 7 show a third embodiment of the present invention.

In this embodiment, the mounting wall 7 of the resin cover 73
A guide portion 77 for guiding the inner wire 52 is integrally formed on the upper part of the wire. A fitting hole 78 for the outer cable 51 is formed in the front end of the guide portion 77, and a guide groove 79 that is continuous with the fitting hole 78 and curves significantly downward is formed. A groove opening 79a, which is the terminal end of the guide groove 79, is opened facing downward. Guide groove 7
A cover member 80 that covers the guide groove 79 from above is fitted onto both groove wall portions 79b.

Since the guide groove 79 and the like are integrally formed in the resin cover 73, the number of parts can be reduced and costs can be reduced.

[0031]

[Effect of the invention] According to the unlocking operation device for a car door lock according to the invention, the control cable is extended from the inside handle and the inner wire of the control cable is directly connected to the relay lever, so that the relay member is not used. Inside levers and the like are no longer necessary, and costs can be reduced. In addition, since the groove opening of the inner wire guide groove is opened downward, rainwater etc. do not enter the groove opening, preventing malfunction.
Operability can be improved.

[Brief explanation of drawings]

[Fig. 1] Front view of a door lock showing the first embodiment of the present invention.

[Fig. 2] Side view of a door lock showing the first embodiment of the present invention.

[Fig. 3] An exploded perspective view of a door lock showing the first embodiment of the present invention.

[Fig. 4] Front view of a door lock showing the second embodiment of the present invention.

[Fig. 5] Partial front view of a control cable showing a second embodiment of the present invention.

[Fig. 6] Front view of a door lock showing the third embodiment of the present invention.

FIG. 7 is a partial perspective view of a door lock showing a third embodiment of the present invention.

[Explanation of symbols]

10...door 20...Door lock device 21...Base plate 23...Resin cover 26…Mounting wall 30…Matching mechanism 40...Operating mechanism 42...Relay lever 50...Control cable 51...Outer cable 52...Inner wire 60...Pipe member (guide member)

Claims (2)

[Claims] 1. An unlocking operation device for an automobile door lock, which is configured to be unlocked by an inside handle via a control cable, wherein a relay lever that moves up and down to release the lock is provided on a base member of the door lock. , a guide member for an inner wire of the control cable is fixed to a base member of the door lock;
The guide member has a guide groove that guides the tip of the inner wire in a downwardly curved state, and when the inside handle is operated, the tip of the inner wire moves toward the relay lever side located below. 1. A lock release operating device for a door lock for an automobile, characterized in that the groove opening of the guide groove is opened downward so as to appear and disappear, and the tip of the inner wire is directly connected to the relay lever. 2. The unlocking device for an automobile door lock according to claim 1, wherein the guide member is formed by a curved pipe member.