JPS5828115Y2 - Automatic opening/closing sliding door locking device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a lock/unlock device for an automatically opening/closing sliding door.

There are various types of sliding door devices that open and close automatically.
The door lock/unlock devices used in these sliding door devices are either equipped with a separate drive device for unlocking the door lock in addition to the drive device for opening and closing the sliding door, or are equipped with a separate drive device for unlocking the door lock. Instead, the door was locked by stopping the drive device for opening and closing the sliding door.

However, in the above-mentioned conventional door lock/unlocking devices, the former has a separate drive device for operating the door lock, which increases the number of parts. For example, in the case of drive using a motor or solenoid, it is necessary to provide a delay circuit between the drive device and the drive device for sliding doors, which makes the device complicated. Alternatively, the transmission device itself, such as a link, must have a locking element, which makes the device limited.

Furthermore, in order to enable the locking device to be operated manually, there is a problem in that the device becomes complicated.

The present invention was devised in view of the above-mentioned conventional problems, and includes providing a pressing protrusion on a part of the wire cable, and rotatably pivoting a seesaw lever on the door side via a bracket. One end of the seesaw lever is provided with a pressing part that the pressing protrusion contacts, and the seesaw lever is provided with a plurality of connecting members such as rods, one of which is connected to the knob lock lever, and the other connecting member is connected to the knob lock lever. An object of the present invention is to provide a lock/unlock device connected to a remote control lever so that the door can be automatically unlocked and locked by opening and closing the sliding door, thereby solving the above conventional problems. There is a purpose.

The present invention will be described below with reference to illustrative embodiments.

A is a car body, a is a sliding door, 33 is an upper rail that guides the sliding door a, 34 is a lower rail, and 35 is a center rail, and the sliding door is provided on the lower surface of the step 11 of the car body A. A motor 12 is a drive device, and a wire cable 13 is a drive transmission unit.
, a tension pulley 36 for maintaining the tension of the wire cable 13, pushing the sliding door a outward,
A guide motor 37 is a power source that exerts an inward pulling action.
, an arm 45 and a catcher 38 that cooperate with the guide motor 37, guide pulleys 39, 40, 41 that guide the wire cable 13, and a transmission section 42 that transmits the movement of the wire cable 13 to the sliding door a. It is designed so that

Note that 43 is a center guide roller guided by the center rail 35, and 44 is a spring.

The transmission part 42 has the following structure, in which a part of the wire cable 13 is passed through a bracket 14 fixed to the inner surface of the lower end of the sliding door a and having pressing parts 14a and 14b on both sides. In addition, a pressing protrusion 13a is formed on the iron part, and as the motor 12 moves forward and reverse, the wire cable 13 also moves in the forward and reverse directions, and the pressing protrusion 13a
The sliding door a is opened and closed by pressing the pressing portions 14a and 14b.

Reference numeral 15 denotes a substantially T-shaped seesaw lever rotatably attached to the bracket 14. A pressing portion 15a is formed at the lower end of the seesaw lever 15, and the pressing portion 14a of the bracket 14, 14b, and is moved by a pressing protrusion 13a of the wire cable 13.

Further, on the upper horizontal part of the seesaw lever 15, a lock/unlock lever 16 and a knob lock/unlock lever 17 extending leftward and rightward, respectively, are rotatably pivoted. are engaged with pressing pieces 15b and 15C formed on the horizontal portion of the seesaw lever 15, so as to catch the movement of the sliding door a by the seesaw lever 15 in the sliding direction.

The lock/unlock lever 16 is connected to a remote control lever 19 via a rod 18, and the knob lock/unlock lever 17 is connected to a knob lock lever 21 via a rod 20.

22 is a lock body, 23 is a rod that connects the lock body 22 and the remote control lever 19, 24 is a knob lock, and 25 is a rod that connects the knob lock 24 and the knob lock lever 21.

Next, to explain the operating state of the lock/unlock device, first, when the sliding door a is opened, the motor 1 is
2 rotates in the direction of opening the door, and moves the wire cable 13 in the direction of opening the door, as shown in FIG.
The pressing protrusion 13a formed in 3 presses the pressing part 15a of the seesaw lever 15 to rotate the seesaw lever 15, and a lock/unlock lever 16 and a knob lock/unlock pivotally connected to the seesaw lever 15 are rotated. Press the lever 17 with the piece 15
b and 15 C to move the push L and rods 18 and 20 in the respective directions.

The movement of the rods 18 and 20 rotates the remote control lever 19 and the knob lock lever 21, and the lock is released.

The wire cable 13 moves further and seesaw lever 15
Pressing part 15a on the rear side of the bracket 14 and pressing part 14a on the rear side of the bracket 14
Open the sliding door a while pressing .

When the sliding door a is closed, the motor 12 rotates in the opposite direction to the above, and moves the wire cable 13 in the closing direction.

As a result, the pressing protrusion 13a formed on the wire cable 13 separates from the pressing part 15a of the seesaw lever 15 as shown in FIG. The lever 16mo and the remote control lever 19 are returned to their original positions by the action of return springs (not shown), so they are linked together and return to their original state, but the knob lock unlocking lever 17 remains in its original state.

When the remote control lever 19 is returned to its original position, the open lever 27 of the lock body 22 is returned to its original position, and the locking lever 28 can be brought into an operable state, thereby becoming in a lockable state.

In this state, the pressing protrusion 13a presses the pressing part 14b on the front side of the bracket 14, and the catcher 38
An arm 45 is inserted into the guide motor 37.
When the slide door a is closed, the latch 29 of the lock body 22 enters the striker 30 provided on the vehicle body side, and the locking lever 2 rotates and closes the slide door a.
8 works and locks.

Reference numeral 31 is a click spring provided on the knob lock lever 21, which holds the knob lock lever 21 at that position when it moves beyond a certain point.

In the above embodiment, the seesaw lever is provided with a lock/unlock lever and a knob lock/unlock lever so that the lock can be turned on and off by manual operation using the knob lock or key. 7th if available
As shown in the figure, both ends of the seesaw lever 15 may be connected to a remote control lever 19 and a knob lock lever 21 via rods 18 and 20, respectively.

In this case, a return spring 32 is used instead of the click spring 31 as the spring provided on the knob lock lever 21.

FIG. 8 shows a third embodiment of the present invention. According to this embodiment, the seesaw lever 15 and the lock/unlock lever 16 are integrally molded, and the knob lock/unlock lever 17 is attached to the seesaw lever 15. It is pivotally mounted to the lever 15 so as to be freely rotatable independently, and the other configurations are the same as in the first embodiment.

The operating state of this embodiment is the same as that of the first embodiment, but since the seesaw lever 15 and the lock/unlock lever 16 are integrally molded, the return pull 26 on the seesaw lever 15 side or the remote control 19 side Since either one of the return springs (not shown) can be omitted, the number of parts can be reduced and assembly can be facilitated by integrating the seesaw lever 15 and the lock/unlock lever 16. It has the advantage that it can be done.

Note that the shape of the seesaw lever and the method of connecting the rods may differ from those in the example depending on the shape of the remote control lever or knob lock lever. Although a protrusion is provided, a transmission mechanism may be provided separately from the wire cable, and a portion corresponding to the pressing protrusion may be provided in the mechanism to indirectly operate the saw lever.

As described above, according to the present invention, the knob lock and the lock body are unlocked before the sliding door opens and moves by the operation of the wire cable driven by the motor that opens and closes the sliding door, and when the sliding door moves to close. The door can be locked, and the door is locked when the door is closed.
The lock can be automatically and reliably unlocked and locked by opening and closing the sliding door, and according to the first and third embodiments, the structure is simple and the lock body can be manually operated using a knob lock or the like. It has the effect of being able to unlock and lock the door.

[Brief explanation of the drawing]

Fig. 1 is a side view of an automobile having a sliding door, Fig. 2 is an enlarged sectional view taken along the line I-I of Fig. 1 showing the mounting position of the lock/unlock device according to the present invention, and Fig. 3 is a side view of the same sliding door. The enlarged perspective views and FIGS. 4 to 6 are explanatory diagrams of the operation of the lock/unlock device, with FIG. 4 showing the locked state, and FIG.
The figure shows the state when the door is unlocked, and FIG. 6 shows the state when the door is in the lockable state in the middle of closing. 7 and 8 are perspective views of a lock/unlock device showing another embodiment of the present invention. 13 is a wire cable, 13a is a pressing projection, 14 is a bracket, 14a, 14b are pressing parts, 15 is a seesaw lever, 15a is a pressing part, 16 is a lock/unlock lever 17 is a knob lock/unlock lever

Claims (1)

[Scope of utility model registration request] In an opening/closing sliding door in which the movement of the drive device is transmitted to the door by a drive transmission part such as a wire cable to open and close the iron door, a pressing protrusion is provided on the drive transmission part such as the wire cable, and a pressing protrusion is provided on the drive transmission part such as the wire cable. A seesaw lever is rotatably pivoted via a bracket, one end of the seesaw lever is provided with a pressing part that the above-mentioned pressing protrusion comes into contact with, and the seesaw lever is provided with a plurality of connecting members such as rods, one of which 1. A lock/unlock device for an automatically opening/closing sliding door, characterized in that a connecting member is connected to a knob lock lever, and the other connecting member is connected to a remote control lever.