JP2508493Y2 - Locking device for trunk lid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a lock device for a trunk lid.

(Prior Art) Conventionally, a locking device for a trunk lid of an automobile includes a latch that is detachably engaged with a striker provided on the vehicle body side,
A claw lever that rotates by a key operation from outside the vehicle to release the engagement between the latch and the striker, an open lever that rotates by a remote operation from the inside of the vehicle to rotate the claw lever, and the open lever in one direction It is composed of a return spring that urges to.

And, this type of locking device has a cancel lever so that the trunk lid cannot be opened from the inside of the car when the car is lent to a third party or when the car is parked with the key attached. The one provided is proposed.

The cancel lever rotates to one side to connect and integrate the claw lever and the open lever, and rotates to the other side to release this connection.

Therefore, if the cancel lever is in the release position and only the engine start key that cannot unlock the trunk lid is passed to the third party, even if the third party operates from the inside of the vehicle, Since only the open lever rotates, it cannot be unlocked, nor can it be unlocked from outside the vehicle.

(Problems to be solved by the invention) However, in the lock device for the trunk lid, the cancel lever is rotated by vibration during traveling unless it is surely positioned at the connection or release position. There is a risk.

For this reason, conventionally, an action spring for positioning the cancel lever at the connecting or releasing position has been provided separately from the return spring. The action spring is arranged between the open lever and the cancel lever, and changes the biasing direction depending on the rotation position of the cancel lever. Therefore, the one using such an action spring has a problem that the structure is complicated and the number of parts is increased.

Therefore, an object of the present invention is to provide a lock device for a trunk lid having a cancel lever having a simple structure and a small number of parts.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the present invention releases a mesh between a latch that engages with a striker and a latch that engages and disengages with a striker and rotates by a key operation from outside the vehicle. A claw lever, an open lever that is rotated by remote control from the inside of the vehicle, a cancel lever that integrally connects or releases the claw lever and the open lever, and a claw lever that urges the open lever and that is canceled by the cancel lever. In a lock device for a trunk lid, which includes a return spring that holds a latch in a position where it meshes with a striker when the open lever is connected, the claw lever has an engagement receiving portion, and the cancel lever is an open lever. A shaft part that is pivotally attached,
An engaging portion for engaging or disengaging the claw lever and integrally connecting or releasing the claw lever and the open lever,
The shaft portion has a lock surface with which the return spring is in pressure contact with the claw lever and the open lever integrally connected, and an unlock surface with which the return spring is in pressure contact with the claw lever and the open lever being released. It is equipped with.

(Embodiment) Next, an embodiment of a lock device for a trunk lid according to the present invention will be described with reference to the accompanying drawings.

In FIG. 1, the striker 1 is attached to a vehicle body (not shown), and the base 2 is attached to a trunk lid (not shown).

The striker 1 has a U-shape and is fitted into the notch 11 provided in the base 2 when the trunk lid is closed.

A latch 3, a claw lever 4, an open lever 5, a cancel lever 6, a return spring 7 and the like are attached to the base 2.

The latch 3 is pivotally attached to the base 2 so as to be rotatable around a support shaft 12, and has a U-shaped engaging portion 13 that engages with the striker 1, an engaging portion 14 protruding from an outer peripheral portion, and a spring 16.
And a locking portion 15 for locking one end of the.

The claw lever 4 is pivotally attached to the base 2 so as to be rotatable around a support shaft 17, a protrusion 18 is provided at one end thereof, and a rod (FIG. 3) connected to a key cylinder (not shown) at the other end. (Not shown) are connected to each other, and a locking portion 19 that locks the other end of the spring 16 that locks one end to the latch 3 and a protrusion 20 that locks to the locking portion 14 of the latch 3 are provided. Has been.

On the other hand, the open lever 5 has one end rotatably mounted coaxially with the support shaft 17 of the claw lever 4, and has a wire (not shown) connected to the other end, which is operated by operating from inside the vehicle. ing.

As shown in FIG. 5, the cancel lever 6 has its shaft portion 22 penetrating the through hole 21 of the open lever 5 and is rotatably supported, and has a claw portion 26 formed at one end thereof. Further, the shaft portion 22 portion protruding from the open lever 5 is provided with the cutout portion 23, so that the lock surface 24 and the unlock surface can be formed.
And 25 are formed (see FIG. 6). Further, the cancel lever 6 can be pivoted by grasping the operation portion 6a by grasping the operation portion 6a with a finger when the trunk lid is opened.

The return spring 7 is attached to the support shaft 17 to which the claw lever 4 and the open lever 5 are attached,
One end of the open lever 5 is pressed against the side surface 2c of the base 2 and the other end is pressed against the notch 23 of the shaft portion 22 of the cancel lever 6 so that the open lever 5 is attached counterclockwise in FIG. The shaft 22 of the cancel lever 6 is prevented from coming off while being urged.

Then, as shown in FIG. 7, when one end of the return spring 7 comes into pressure contact with the lock surface 24, the claw portion 26 of the cancel lever 6 engages with the protrusion 18 of the claw lever 4 and is positioned at the connecting position. Further, as shown in FIG. 8, when it comes into contact with the unlocking surface 25, the claw portion 26 of the cancel lever 6 is disengaged from the protrusion 18 and is positioned at the release position.

In the lock device for a trunk lid having the above structure, the cancel lever 6 is normally operated to the connecting position as shown in FIG. In this connecting position, the claw portion 26 of the cancel lever 6 is engaged with the protrusion 18 of the claw lever 4, and the claw lever 4 and the open lever 5 are integrated.

Therefore, when the trunk lid is closed, as shown in FIG. 1, the striker 1 fits into the notch portion 11 of the base 2, the meshing portion 13 of the latch 3 fits into the striker 1, and the engaging portion of the latch 3 also fits. The protrusion 20 of the claw lever 4 is engaged with the claw lever 14, and the latch 3 is prevented from rotating and is in a locked state.

In this locked state, when the claw lever 4 is directly rotated in the clockwise direction in FIG. 1 from the outside of the vehicle by a key operation, the projection 20 of the claw lever 4 retracts from the engaging portion 14. Therefore, as shown in FIG. 2, the latch 3 is rotated clockwise by the urging force of the spring 16 until it comes into contact with the lower and left protruding walls 2a, 2b of the base 2 about the support shaft 12. Move,
As a result, the locked state is released.

Further, in the locked state, when the open lever 5 is turned clockwise in FIG. 1 by remote control from the driver's seat in the vehicle, the cancel lever 6 causes the claw lever 4 and the open lever 5 to be integrated. Second, because
As shown in the figure, the claw lever 4 rotates integrally with the open lever 5 in the clockwise direction, and the locked state is released similarly to the above.

Next, when renting a vehicle to a third party, the cancel lever 6 is preliminarily changed from the connecting position shown in FIG. 7 to the cancel lever 6 as shown in FIG.
Is rotated clockwise about the shaft portion 22.
At this time, the return spring 7 urges the cancel lever 6 in a direction in which its rotation is prevented from being pressed against the lock surface 24 to being pressed against the intermediate boundary portion.
On the other hand, if it passes the boundary part in the middle, on the contrary, the cancel lever 6
Is urged in a direction to assist its rotation. In other words, in this cancel lever 6, the return spring 7 has the lock surface 24.
Since the stable state is brought about by pressing against the unlocking surface 25 from the stable state after being pressed against the boundary portion, the operation is performed with a sense of moderation.

Then, as shown in FIG. 8, when the return spring 7 is in contact with the unlock surface 25 of the shaft portion 22, the engagement between the claw portion 26 and the protruding portion 18 is released. Also, as shown in FIG. 3, the claw lever 4 and the open lever 5
Are not integrated with each other, and rotate independently about the support shaft 17.

Therefore, even if a third person operates from inside the vehicle, as shown in FIG. 4, the open lever 5 rotates, but the claw lever 4 maintains the same state, so that the locked state is maintained. Become.

In other words, if you give a key to start the engine and rent a car to a third party, you cannot unlock it with that key, and you cannot open the trunk by yourself. There is no.

(Effect of the Invention) As is apparent from the above description, the lock device for the trunk lid according to the present invention uses the return spring that biases the open lever in the direction to return the cancel lever between the connecting position and the releasing position. It is for positioning.

Therefore, to position the cancel lever,
Since a special mechanism, particularly an action spring for biasing each position is unnecessary, the number of parts can be reduced and the assembly is easy.

[Brief description of drawings]

1 to 4 are front views of a lock device for a trunk lid according to the present invention, and FIGS. 1 and 2 respectively show a locked state and an unlocked state when a cancel lever is in a connecting position. 3 and 4 respectively show a locked state and an unlocked state when the cancel lever is in the release position, FIG. 5 is an exploded perspective view of the locking device, and FIG. 6 is a partial perspective view of the cancel lever. 7 and 8 are front views showing the connecting position and the releasing position of the cancel lever, respectively. 1 ... striker, 2 ... base, 3 ... latch, 4 ...
… Claw lever, 5 …… Open lever, 6 …… Cancel lever, 7 …… Return spring.

Claims (1)

(57) [Scope of utility model registration request] 1. A latch that engages and disengages with a striker, a claw lever that rotates by a key operation from the outside of the vehicle to release the engagement between the latch and the striker, and an open that rotates by a remote operation from the inside of the vehicle. A lever, a cancel lever for integrally connecting or releasing the claw lever and the open lever, and a position where the latch is engaged with the striker when the claw lever and the open lever are connected by the cancel lever by urging the open lever. A trunk lid locking device having a return spring for holding the claw lever, wherein the claw lever has an engagement receiving portion, and the cancel lever has a shaft portion pivotally attached to an open lever, and the engagement portion. Engagement for engaging or disengaging the receiving part to integrally connect or release the claw lever and the open lever And a lock surface on which the return spring is in pressure contact with the claw lever and the open lever integrally connected to the shaft, and the return spring is in pressure contact with the claw lever and the open lever being released. A locking device for a trunk lid, which is provided with an unlocking surface.