JPH04135675U - Vehicle sliding door locking device - Google Patents

Abstract

(57) [Summary] [Purpose] To ensure full locking of the rear lock in a front and rear double lock locking device in which the rear lock is equipped with a closer motor. [Structure] The front and rear latch plates 1A and 1B are engaged with strikers 2A and 2B provided at the edges of the vehicle opening, respectively, and are in a locked state. Pauls 3A and 3B are provided to prevent the latch plate from returning to a fully locked state, and the pole 3A is provided with a pole retraction motor 5 for rotating the latch plate to the retracted position. When the sliding door starts closing, the pole 3A is in a retracted state and does not interfere with the latch plate 1A. Therefore, the closing inertia force of the door acts on the rear part of the door without being reduced, and the latch plate 1B is reliably brought into the half-locked state, and then brought into the full-locked state by the subsequent operation of the closer motor.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a locking device for a vehicle sliding door, and in particular, is equipped with a closer motor. This invention relates to a locking device for a double-lock sliding door.

0002

[Conventional technology]

In recent years, the sliding door has been developed to lock smoothly with a light touch. In this case, the closer motor is placed closer than the front side. Installed behind a door that closes late. And in this case, door retention when closed In order to improve strength, a lock is often provided on the front side as well.

0003

[Problem that the idea aims to solve]

By the way, in the above conventional structure, the rear side of the door is only affected by the inertia force when the door is closed. – A flock state is reached, and then the closer motor operates and becomes a full lock state. However, interference between the latch plate and the pole on the front side of the door, which starts locking in advance, occurs first. The closer motor does not start operating and the door is left ajar. The rear side of the door sometimes did not close to the position where it started operating.

0004 This invention solves this problem, and the closer motor installed at the rear of the door. The purpose is to provide a locking device for a vehicle sliding door that enables reliable operation. do.

[0005]

[Means to solve the problem]

To explain the structure of this invention, latch plates are installed on the front and rear edges of the sliding door. 1A and 1B are strikers 2A and 2B installed at the front and rear edges of the vehicle opening when the door is closed. At the same time, the rear latch plate 1B is engaged with the pole 3B to lock the door. A vehicle equipped with a closer motor 4 that rotates from a flocked state to a fully locked state In the locking device of the sliding door, it detects the start of closing of the door and starts operating, Push the pole 3A against the front latch plate 1A against the spring biasing force. While retracting to a position where there is no interference, the rear latch plate 1B is moved to the full lock position or is equipped with a pole retracting means 5 that detects the half-lock position and eliminates the retracting drive described above. It is something that

[0006]

[Effect]

In the locking device with the above configuration, when the door starts to close, the pole 3A The retracting means 5 retracts it to a position where it does not interfere with the front latch plate 1A. this As a result, the inertial force of closing the door acts on the rear side of the door without being reduced, and the latch plate 1B will surely reach the half-lock state, and then change to the full-lock state by the closer motor 4. It is made to rotate. When the full lock state is detected, the pole retraction means 5 is retracted. In order to eliminate The latch plate 1A is also fully locked.

[0007]

【Example】

In Fig. 1, the sliding door (not shown) has support shafts around 11 on the front and rear edges, respectively. Latch plates 1A and 1B are rotatably provided in a substantially C-shape, and these latch plates 1 A, 1B has a striker 2A installed at the edge of the vehicle opening into the recess when the door is closed; 2B enters into engagement and becomes locked. There is a pole near each latch plate 1A, 1B. 3A and 3B are arranged, and the upper ends of these poles 3A and 3B are pivoted and can rotate. In addition, a chevron-shaped convex portion 31 protrudes from the intermediate portion toward the latch plates 1A and 1B. are doing.

[0008] This convex portion 31 is attached to one leg end of the latch plates 1A and 1B by the biasing force of a spring (not shown). Enter into the formed chevron groove 12 (dashed line in the figure) and half-lock the latch plates 1A and 1B. When the latch plates 1A and 1B are further rotated counterclockwise, their return rotation It protrudes into the rotation locus so as to prevent this from happening, and puts it in a fully locked state. In addition, Stoppers 32A and 32B are provided to restrict rotation of the poles 3A and 3B in the protruding direction. ing.

[0009] At the lower end of the pole 3A, there is an operation arm that is rotatably supported in the center and shaped like a dogleg. One end of the operating arm 51 is in contact with the other end of the operating arm 51, and the rotation of the pole retracting motor 5 is in contact with the other end of the operating arm 51. An operating arm 52 that is directly connected to a shaft and rotates is connected thereto. However, the operating When the arm 52 rotates clockwise as shown in the figure, one end of the operating arm 51 rotates counterclockwise. and move the lower end of the pole 3A to the retracted position away from the latch plate 1A against the spring biasing force. Push it away.

0010 A link arm 41 is installed with one end pivoted to the lower position of the support shaft 11 of the latch plate 1B. The other end of the link arm 41 is connected to a gearbox attached to the closer motor 4. It is connected to a link arm 42 that is directly connected to the rotation axis of the box 43 and rotates. death As the link arm 42 rotates clockwise, the latch plate 1B rotates counterclockwise. Then, as will be described later, the state changes to a half-lock state and then to a full-lock state.

[0011] The operation of the lock device having the above structure will be explained below. Unillustrated closing when door starts closing When the detection switch is activated (Fig. 4 (1)), the pole retraction motor 5 starts rotating. (FIG. 4(2)) Rotate the pole 3A to the retracted position. As a result, the convex portion 31 is Retract to a position where it does not interfere with the switch plate 1A. However, as the sliding door closes, The striker 2A enters the recess of the latch plate 1A, and the latch plate 1A responds accordingly. Rotate freely to full lock position (Figure 2).

0012 At this time, since the latch plate 1A does not interfere with the pole 3A, the sliding door The closing inertia force acts on the rear of the latch plate 1B without being reduced, causing a stripe inside the latch plate 1B. The motor 2B enters smoothly and enters a half-locked state. This half-lock condition is detected. It is detected by the switch (Fig. 4 (3)) and the closer motor 4 starts rotating (Fig. 2 ).

[0013] The latch plate 1B rotates counterclockwise with the rotation of the closer motor 4 and is fully locked. reaches the lock position (Fig. 3), and the convex portion 31 of the pole 3B prevents the latch plate 1B from returning. It comes into contact with the end of the leg and becomes fully locked. In this state, the closer motor 4 When the rotation of the pole 3A stops, the power to the pole retraction motor 5 is stopped (Fig. 4), and the pole 3A is rotated in the direction of the latch plate 1A by the spring biasing force, and the convex portion 31 is latched. It advances into the return trajectory of the plate 1A and becomes fully locked (solid line in FIG. 3).

[0014]

[Effect of the idea]

As described above, according to the locking device of the present invention, the front lock part is closed when the door starts to close. The pole has been retracted to a position where it does not interfere with the latch plate, so you can easily use it with a light touch. Even when the sliding door is closed, the inertial force created at the rear of the door remains unchanged. to ensure that the rear latch plate is fully locked.

[Brief explanation of drawings]

FIG. 1 is a schematic front view showing the front and rear locking devices when the front lock is half-latched.

FIG. 2 is a schematic front view showing the front and rear locking devices when the rear lock is half-latched.

FIG. 3 is a schematic front view showing the front and rear locking devices when the door is fully closed.

FIG. 4 is a time chart showing the operation of the device.

[Explanation of symbols]

1A, 1B latch plate 2A, 2B Striker 3A, 3B Paul 4 Closer motor 5 Pole retraction motor (pole retraction means)

Claims (1)

[Scope of utility model registration request] Claim 1: Latch plates provided on the front and rear edges of the sliding door engage with strikers provided on the front and rear edges of the vehicle opening when the door is closed to lock the door, and the rear latch plate is connected to the pole. In a locking device for a vehicle sliding door equipped with a closer motor that rotates from a half-locked state to a fully-locked state, the system detects the start of closing the door, starts its operation, and moves the pole against the front latch plate against the spring biasing force. A locking device for a sliding door of a vehicle, characterized in that a pole retracting means is provided for retracting to a position where it does not interfere with the front latch plate and detecting a fully locked state of the rear latch plate to cancel the retracting drive.