JPH0849458A - Lock control mechanism of automatic door - Google Patents

Abstract

PURPOSE:To hold an unlocked state for a smooth operation for automatically opening and closing the door by pulling cable through the operation of a door- engine-side changeover lever when switching the door from a position where it is manually opened and closed to a position where it is automatically operated by a door engine. CONSTITUTION:To automatically open or close the door using an door engine 13, a changeover lever attached to the door engine 13 is switched from a manual position H to an automatic position A to pull cable 23. Then a hook 23b at the end of the wire of the cable 23 moves downwards and pushes down a fixed member 21 a fixed to a rod, thus undoing a lock 14b. This state is maintained to prevent the door 12 from colliding against a striker 18 when opened by the door engine 13. Thus when the door 12 is automatically opened or closed by the door engine 13, the lock is smoothly and readily undone, while the door 12 can be opened and closed manually by switching only an operating lever.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door lock operation mechanism for closing an opening used for getting on and off a vehicle such as a bus.

[0002]

2. Description of the Related Art FIGS. 4 and 5 show the structure of a conventional automatic door having an opening used for getting on and off a bus. FIG. 4 is a perspective view of the automatic door as viewed from the vehicle interior side, and FIG. 5 is a cross-sectional view taken along the line VV. As shown in these drawings, the folding door 12 that closes the vehicle body opening 11 can be automatically opened and closed by a door engine 13 provided in the vehicle interior via a link mechanism 13a.

If necessary, the door engine 13 is also used.
The engine 13 is opened regardless of whether the door 12 is open or closed manually. A lock means 14 is provided near the upper end of the door 12 on the passenger compartment side. By operating a lever 17 provided on a door handle 16 via a rod 15, the lock means 14 interlocking with the rod 15 is provided. Can be opened and closed manually.

Here, an outline of the locking means 14 is shown in FIG.
Shown in FIG. 6 shows an enlarged view of the VI portion of FIG. 4, in which the lock means main body 14a is provided with a lock 14b projecting in the vertical axis direction at the tip of the rod 15, and at the time of projection, a striker provided inside the vehicle By locking to 18, the door is prevented from opening during traveling.

The operation of the locking means 14 is shown in FIG.
This will be described with reference to (C). First, as shown in FIG. 6A, when the door 12 is manually opened and closed, the door engine 1
Since the door 3 is turned off, the door 12 can be freely opened and closed manually, and the locker 14b is engaged with the striker 18 to hold the door 12 in the closed state. Then, as shown in FIGS. 6 (B) and 6 (C), when the door engine automatically opens and closes, the lock body 1
After the cover 14c provided on 4a is covered with the protruding surface of the lock means 14 to prevent the lock 14b from protruding, the automatic opening and closing is performed.

[0006]

By the way, if the cover 14c is forgotten to prevent the lock 14b from projecting and the door engine 13 performs an automatic opening / closing operation, the lock 14b is locked by the striker 18 and cannot be automatically opened / closed. The problem occurs. That is, in the conventional case, when an automatic operation is performed by the door engine 13, the lock 14b of the lock means 14 is always covered by the cover 14c.
The above-mentioned inconvenience occurred unless the state was released by using. Since this operation is troublesome, a method of releasing it by a simple operation is desired.

The present invention has been made in order to solve the above-mentioned drawbacks of the prior art, and provides a lock operation mechanism for an automatic door which can be easily switched by interlocking the lock means when the door engine is automatically opened and closed. The purpose is to do.

[0008]

SUMMARY OF THE INVENTION The structure of an automatic door lock operation mechanism according to the present invention which solves the above-mentioned object is to open and close a door body by closing an opening of a vehicle body and automatically open and close the door body. An operating mechanism for an automatic door, comprising: a door engine for operating the door body; and a locking means for manually holding the door body in a closed state via a rod, the releasing means for releasing and holding the locking means, The present invention is characterized in that lock releasing / locking means including a control lever provided on the door engine side for operating the release means and a cable connecting the operation lever and the release means is provided. In the above configuration, the lock means is characterized in that a lock provided so as to project or retract above the door body is provided so as to be engageable with and disengageable from a striker of a vehicle body. In the above structure, the releasing means includes a rod extending downward from the lock, and a cable having one end locked to the rod and the other end locked to the operation lever. And In the above configuration, the lever is provided on an upper portion of the door engine.

[0009]

In the above structure, when an automatic operation is to be performed by the door engine, first, the operating lever provided on the door engine side for operating the unlocking / locking means is operated to remotely unlock the door. It is possible to hold it in place, and the automatic opening / closing operation of the door engine can be performed without any problems.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an outline of this embodiment, and FIGS. 2 and 3 are schematic explanatory views of a lock operation. As shown in these drawings, a folding door 1 that closes an opening of a vehicle body
The locking means 14 by the urging force of the elastic member is provided on the upper end portion of 2.
Is provided in the same manner as in the related art, and locking or unlocking at the time of manual operation is performed by operating the L-shaped lever 17 of the door handle 16 via the rod 20.

An elastic member 14 is provided in the middle of the rod 20.
There is provided a releasing means 21 for pushing the rod 20 vertically downward against the urging force of the lock means 14 by the urging force of c to release and hold the lock means 14.
An operation lever 22 for operating the is provided on the door engine 13 side. Then, a remote operation is performed via a cable 23 connecting the operation lever 22 and the releasing means 21. The releasing means 21 is fixed to the rod 20 and is movable with the rod 20, a fixing member 21a, a hole 21b formed in the fixing member 21a, and a wire 23a of a cable 23 through the hole 21b.
And a fastener 23b for fastening the end portion of the wire 23a. By pulling the wire 23a by remote control, the rod 20 is pushed downward, and at the time of manual operation, since it penetrates the hole 21b, the wire 23a Is trying not to move. The cable 23 is used as the releasing means
It is fixed to the door 12 side below 1 by a fixture 23c.

In this way, the releasing means 21 is moved by operating the switching lever 22 for operating the cable 23, one end of which is connected to the releasing means 21, and moving the cable 23.
By moving to the lower side and holding this state,
The lock means 14 is released and held.

On the other hand, as shown in FIGS. 2 (A) and 2 (B),
One end of the rod 20 is fixed to the lock 14b, and a long hole 20a is formed at the other end thereof. When the releasing means 21 moves downward in the vertical axis direction, the long hole 20a is formed in the long hole 20a. No force is applied to the bell crank 24, one end of which is movably fitted.

The bell crank 24 having one end fitted in the long hole 20a has a door handle 16 at the center thereof.
Is freely rotatable, and the other end has links 25a,
It is freely rotatable with 25b. Then, in the operation from the outside of the vehicle, the link 25 is pushed by pushing the pushing means 26.
By pushing b, or by pulling the lever 17 from the inside, the rod 20 is pushed down via the bell crank 24 and the lock 14b of the locking means 14 is released (see FIG. 2). .

That is, as shown in FIGS. 2A and 2B, when the door 12 is manually opened and closed, the lever 17 of the door handle 16 is pulled to pull the bell crank 2
4, the rod 20 is moved downward, and the lock 14b in the lock body 14a is moved downward to move the lock 14
b is released. Further, after closing the door 12, the lever 14 is opened to return the lock 14a to the original state, and the lock state is established. At this time, the releasing means 21
Only the fixing member 21a moves, and the wire 23a does not move.

Next, when the door engine 13 is automatically opened and closed, the switching lever 22 provided on the upper end surface of the door engine 13 is switched from the manual time (H) to the automatic time (A) to pull the cable 23. The cable 23
The releasing means 21 which is the unlocking / holding means provided at the other end of the is pulled downward. As a result, the fastener 23b at the end of the wire 23a of the cable 23 moves downward and the fixing member 2 fixed to the rod 20.
1a is pushed down, and as a result, the lock 14b is released, and by keeping this state, the collision with the striker 18 when the door 12 is opened by the door engine 13 is prevented (see FIG. 3). In this way, the unlocking when the door 12 is automatically opened and closed by the door engine 13 can be smoothly and easily performed, and when the door 12 is manually opened and closed, only the operation can be switched. This is good, and the operation is easier than in the past.

[0017]

As described above, according to the present invention, at the time of switching from the manual opening and closing of the door to the automatic operation of the door engine, the switching lever on the door engine side is operated and the cable is pulled to release it. By operating the means to release and hold the lock, it is possible to prevent forgetting to release the lock during automatic operation by the conventional door engine.

[Brief description of drawings]

FIG. 1 is a perspective view of unlocking / holding means.

FIG. 2 is a schematic side view of unlocking / holding means.

FIG. 3 is a schematic side view of unlocking / holding means.

FIG. 4 is a perspective view of a vehicle door.

5 is a view taken along the line VV of FIG.

6 is an enlarged view of a VI portion of FIG.

[Explanation of symbols]

 20 rod 21 releasing means 22 operation lever 23 cable

Claims (4)

[Claims] 1. A door body that closes an opening of a vehicle body and can be opened and closed, and a door engine that automatically closes and opens the door body.
A lock means for manually holding the door body in a closed state, a release means for releasing and holding the lock means, and an operation lever provided on the door engine side for operating the release means; A lock operating mechanism for an automatic door, characterized in that lock releasing / locking means including a cable connecting the operating lever and the releasing means is provided. 2. The lock according to claim 1, wherein the lock means is provided with a lock provided above the door body so as to project or be retractable so as to be engageable with and disengageable from a striker of a vehicle body. Characteristic automatic door lock operation mechanism. 3. The releasing means according to claim 2,
A lock operation mechanism for an automatic door, comprising: a rod extending downward from the lock; and a cable having one end locked to the rod and the other end locked to the operation lever. 4. The automatic door lock operation mechanism according to claim 3, wherein the lever is provided on an upper portion of the door engine.