KR101163467B1 - Emergency release device for tail gate latch - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tailgate latch emergency release device for an automobile, and more particularly, to an emergency release device capable of emergency release of a locked state of an electronic latch assembly installed in a tailgate in a situation in which power supply is impossible.
The present invention is configured to include a push button that is elastically rotatable to the tailgate trim and can push the emergency release lever of the tailgate latch assembly to the release position during the push operation, so that the driver or passenger in the emergency situation in the vehicle interior. By simply pressing the push button once, the tailgate latch assembly can be easily unlocked, and thus the convenience of operation can be improved as compared with the conventional cover removal method or key insertion method, which is a two-step operation method.
In addition, the problem of appearance deterioration caused by the installation of a separate cover or key insertion hole in the tailgate trim, a problem of loss of the cover, inconvenience caused by using a key micro replacement tool, and a problem of jamming foreign materials are alleviated. Can be.

Description

Tailgate latch emergency release device {Emergency release device for tail gate latch}

The present invention relates to a tailgate latch emergency release device of an automobile, and more particularly, to an emergency release device capable of emergency release of the locked state of an electronic latch assembly installed in a tailgate in a situation in which power supply is impossible such as when a battery is discharged. It is about.

As is well known, tailgates are installed on the rear of RV vehicles, hatchback style vehicles, etc., and the tailgates are provided with a latch assembly that can be opened by user operation as needed while maintaining the closed state stably. Doing.

A conventional tailgate latch assembly includes a tailgate latch that can be engaged with a striker installed on the vehicle body to maintain a locked state of the tailgate, and the tailgate latch is locked or released according to an operation state (locking / unlocking operation). Various shapes of plates, levers, pawls, link mechanisms, springs, etc., for driving with the rollers are mechanically combined.

The locked state of the tailgate latch assembly means a state in which the tailgate latch installed in the assembly and the striker installed on the vehicle body side are inseparably separated from each other.

Recently, due to the development of the electronic system, in the case of the automotive tailgate latch assembly, an electronic latch is applied, and an electronic latch assembly which can be easily switched to a locked state and an unlocked state is applied.

However, in the case of the electronic tailgate latch assembly, the lock / release mechanism in the assembly including the tailgate latch is interlocked by an actuator driven by electrical energy, thereby switching between the locked state and the released state. Likewise, when the power supply is not possible, the locking / release switching operation is impossible, and this is a problem when the lock state between the tailgate latch and the body side striker is to be released in the vehicle interior.

Therefore, even in a situation in which power supply is impossible, a structure capable of releasing the locked state of the tailgate latch by only a manual operation should be provided. For this purpose, the electronic tailgate latch assembly is provided with an emergency release lever.

That is, it has an emergency release lever for operating the lock / unlock mechanism configured in the electronic tailgate latch assembly to be in the unlocked state by manual operation, and the driver or passenger in the vehicle interior in an emergency situation in which power supply is not possible. By operating the release lever, the lock state between the tailgate latch and the vehicle side striker can be released.

Typically, the emergency release lever is coupled to the interior of the assembly to interlock with a lock / release mechanism including a tailgate latch or the like to operate the lock / release mechanism to a release position (unlock between the latch and striker) during rotational operation.

As such a method for operating the emergency release lever for operating the tailgate latch to the release position includes a cover removal method and a key insertion method.

1 and 2 are views illustrating a cover detachment method, and as illustrated, an electronic tailgate latch assembly 10 is installed inside the tailgate trim 1 and is formed on an outer surface of the tailgate trim. The cover 3 which can be removed is provided in the operation hole 2.

In addition, an emergency release lever 12 is located inside the emergency operation hole 2 so as to be coupled into the tailgate latch assembly 10 to operate the lock / release mechanism inside the assembly to be in a released state.

Accordingly, in a situation where the electric drive of the tailgate latch assembly 10 is impossible, the driver or passenger removes the cover 3 and then laterally releases the emergency release lever 12 located inside the emergency operation hole 2. When turned and rotated, the mechanisms in the latch assembly 10 are interlocked to operate in the release position, thereby releasing the latch 11 coupled to the striker on the vehicle body side, thereby making emergency release of the latch by manual operation possible. Is done.

3 and 4 are diagrams illustrating a key insertion method, as illustrated, an electronic tailgate latch assembly 10 is installed inside the tailgate trim 1, and a key insertion hole is formed on an outer surface of the tailgate trim. (5) is provided and provided.

The emergency release lever 12 is positioned at the inside of the key insertion hole 5.

When the driver or the passenger inserts the key 6 into the key insertion hole 5, the key is caught by the emergency release lever 12, and the side is flipped to the side to rotate the emergency release lever. 10) The mechanisms are interlocked and operated to the release position, thereby emergency release of the latch by manual operation.

However, the above conventional emergency release method has the following problems.

First, the cover removal method is a two-step operation method in which the emergency release lever 12 is operated after removing the cover 3 installed on the tailgate trim 1, which is cumbersome to operate, and only the emergency release of the cover There is a problem that there is a risk of loss.

In addition, since the grooves 4 into which a finger or a tool can be inserted must be formed on the surface of the tailgate trim 1 so that the cover 3 can be easily removed, there is a problem in appearance.

In the case of the key insertion method, a two-step operation method in which the lever 12 is operated after the key 6 is inserted is also cumbersome to operate. There is discomfort.

In addition, due to the key insertion hole (5) is not good appearance, there is a problem that foreign matter may enter.

Therefore, the present invention has been invented to solve the above problems, it is configured to easily unlock the tailgate latch assembly simply by pressing the push button once in the interior of the vehicle driver or passenger in an emergency situation Another object of the present invention is to provide a tailgate latch emergency release device which can be improved in convenience compared with a conventional cover removal method or key insertion method, which is a two-step operation method.

In addition, the present invention is a problem of appearance deterioration caused by the installation of a separate cover or key insertion hole in the conventional tailgate trim, the problem of cover loss, the inconvenience of using the key micro-instruction substitute, the problem of jamming foreign matters, etc. The object is to provide a tailgate latch emergency release device that can all be eliminated.

In order to achieve the above object, the present invention is provided with a push button that is rotatably installed in the trim in the buttonhole of the tailgate trim, the push button is rotated by the pressing operation of the tailgate latch assembly emergency Provided is a tailgate latch emergency release device characterized in that the release lever is operated to the release position.

In a preferred embodiment, a push end extending in the trim inward direction is integrally formed on the inner side of the push button, and when the push button is rotated by the push operation, the push end is caught by the emergency release lever to release the emergency release lever. It may be configured to retract into position.

In a preferred embodiment, the hinge end protruding from the inner side of the pushbutton is coupled to the hinge axis installed on the inner side of the tailgate trim, the restoring spring for restoring the push button of the push release state to the original position This can be installed.

Accordingly, according to the tailgate latch emergency release device according to the present invention, the tailgate latch is provided with a push button that can be elastically rotated and can flip the emergency release lever of the tailgate latch assembly to the release position during the push operation. In this case, the driver or passenger can easily unlock the tailgate latch assembly simply by pressing the pushbutton once in the vehicle interior in an emergency situation. In comparison with this, the convenience of the operation can be improved.

In addition, the problem of appearance deterioration caused by the installation of a separate cover or key insertion hole in the tailgate trim, a problem of loss of the cover, inconvenience caused by using a key micro replacement tool, and a problem of jamming foreign materials are alleviated. Can be.

1 and 2 are views showing a cover removal method.
3 and 4 are diagrams illustrating a key insertion method.
5 is a perspective view showing a pushbutton of the emergency release device according to the present invention, showing the installation state on the tailgate trim outer surface.
Figure 6 is a perspective view showing a push button of the emergency release device according to the present invention, showing the installation state inside the tailgate trim.
7A and 7B are perspective views showing the emergency release device and the latch assembly according to the present invention inside the tailgate trim, and FIG. 7A shows a state before the pushbutton is operated, and FIG. 7B shows a pushed state of the pushbutton. Perspective view.
8A and 8B are cross-sectional views showing a pre-operation state and an post-operation state of the emergency release device according to the present invention, and FIG. 8A is a pre-operation state of the pushbutton, and FIG. 8B is a cross-sectional view of a push-operation state of the pushbutton. to be.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

The present invention relates to a tailgate latch emergency release device for a vehicle, and in an emergency situation in which power supply is not possible, such as when a battery is discharged, it is possible to emergencyly release a lock state of an electronic latch assembly installed in a tailgate by simply one-touch manual operation. An emergency release device.

In the case of the electronic latch assembly, the electric lock of the actuator cannot be released because the actuator cannot be electrically driven in a situation where power supply is impossible, and an emergency release lever is generally used only in an emergency to enable unlocking by manual operation.

In a typical electronic latch assembly, the emergency release lever is coupled into the assembly to interlock with a lock / release mechanism including a tailgate latch or the like to release the lock / release mechanism during rotational operation (locking between latch and striker). It is provided to operate in).

With this in mind, the present invention further includes a push button that can operate the above-mentioned emergency release lever in a simpler manner, that is, a one-touch push method, so that the driver or passenger in an emergency situation in which power supply is cut off. By simply pressing the pushbutton, the tailgate latch can be unlocked.

The conventional configuration and operation state of the tailgate latch assembly to which the present invention is applied, as well as the configuration of the emergency operation lever, the mechanical connection state to the latch assembly, the function thereof, and the like are known to be applied to a conventional tailgate vehicle. Since the configuration is a detailed description thereof will be omitted.

First, the tailgate latch emergency release device according to the present invention includes an emergency release lever 12 and a tailgate trim 1 coupled to the tailgate latch assembly 10 to release the tailgate latch 11. Installed in the vehicle is provided to enable the push operation and includes a push button 20 for flipping the emergency release lever 12 to the release position during the push operation.

Fig. 5 is a perspective view showing the pushbutton 20 of the emergency release device according to the present invention, which shows a state in which the pushbutton 20 is installed on the outer surface of the tailgate trim 1, and the left view shows the pushbutton. In the state before the operation, the figure on the right shows the operation of pushing the pushbutton for emergency release of the tailgate latch assembly.

As shown, the push button 20 is installed in the buttonhole 7 of the tailgate trim 1, the buttonhole 7 around the hinge point located on the inner side of the tailgate trim during push operation. The tailgate trim 1 is rotated inward.

FIG. 6 is a view illustrating an installation state of the push button 20 in the tailgate trim 1. Referring to this, the push button 21 extends in the trim inward direction on an inner surface of the push button 20. This protrusion is formed, and the hinge end 22 extending laterally from the inner side of the pushbutton 20 is formed.

The hinge end 22 is coupled to the hinge shaft 23 installed on the inner side of the tailgate trim 1, and the hinge shaft 23 is connected between the inner side of the tailgate trim 1 and the inner side of the pushbutton 20. In the restoring spring 24 is provided to provide an elastic force for restoring the push button 20 to the original position.

7A and 7B are perspective views showing the emergency release device and the latch assembly according to the present invention inside the tailgate trim 1, FIG. 7A is a state before the pushbutton 20 is operated, and FIG. 7B is a pushbutton ( 20 shows the pressed operation (latch emergency release state).

As shown, the tailgate latch assembly 10 is fixedly mounted inside the tailgate trim 1, and the emergency release lever and tailgate latch are not shown in the drawing.

The emergency release lever is installed in the tailgate latch assembly 10 at a position opposite to the pushbutton 20, and is operated in a release position while the push end 21 contacts with the pushbutton 20 in rotation. Is located outward from the bottom surface of the tailgate trim 1 in combination with the vehicle side striker (not shown) to be locked.

8A and 8B are cross-sectional views showing a state before and after an operation of the emergency release device according to the present invention, and FIG. 8A illustrates a state before the pushbutton 20 is operated and FIG. 8B illustrates a state of the pushbutton 20. It is sectional drawing which shows the pressed operation state (latch emergency release state).

Reference numeral 1 denotes a tailgate trim, reference numeral 10 denotes a tailgate latch assembly, and reference numeral 12 denotes a release state of the mechanisms in the latch assembly when engaged into the latch assembly 10 and flipped to the left in the drawing. Represents an emergency release lever to operate.

As shown, the pushbutton 20 is installed in the buttonhole 7 of the tailgate trim 1, and the hinge end 22 formed integrally with the pushbutton 20 has the inside of the tailgate trim 1. It is hinged to the hinge shaft 23 installed at the side, and when the driver or passenger presses the push button 20 with a finger in the vehicle interior, the push button 20 rotates in the trim direction about the hinge shaft 23. (See FIGS. 7B and 8B).

In addition, the emergency release lever 12 is provided at a position opposite to the pushbutton 20 in the latch assembly 10, and the push end 21 integrally formed on the inner side of the pushbutton 20 extends in the trim inward direction. It is formed to be able to operate the emergency release lever 12 during the rotation of the push button (20).

That is, in an emergency situation in which manual operation is required, as shown in FIGS. 7B and 8B, when the pushbutton 20 is pressed into the trim 1, the pushbutton 20 is a spring of the restoring spring 24. While the force is rotated clockwise in the drawing about the hinge shaft 23 while pressing the end 21 is integrally rotated, and at this point the press end 21 is in contact with the emergency release lever 12 from the moment The emergency release lever 12 is turned to the left side in the drawing to reach the release position.

Only by pressing the push button 20 once as described above, that is, the emergency release lever 12 is flipped to the release position by the push end 21 of the push button 20 only by one-touch pressing operation, and at the same time, the tailgate latch The lock state of the can be released, and the latch that is coupled to the striker on the vehicle body side can be released to open the tailgate.

When the driver or passenger releases the push button 20 after the latch is released, the push button 20 is driven by the elastic force of the restoring spring 24 mounted between the tailgate trim 1 and the push button 20. ) Is restored to its original position, whereby the push button 20 returns to the state of FIGS. 7A and 8A from the release state of FIGS. 7B and 8B.

In this way, according to the tailgate latch emergency release device according to the present invention, the driver or passenger can simply unlock the tailgate latch assembly by pressing the pushbutton once in an emergency in the vehicle interior, so that step 2 The convenience of operation can be improved as compared with the conventional cover removal method or key insertion method which is an operation method.

In addition, the problem of appearance deterioration caused by the installation of a separate cover or key insertion hole in the tailgate trim, a problem of loss of the cover, inconvenience caused by using a key micro replacement tool, and a problem of jamming foreign materials are alleviated. Can be.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. Modified forms are also included within the scope of the present invention.

1: tailgate trim 7: buttonhole
10: tailgate latch assembly 11: tailgate latch
12: emergency release lever 20: push button
21: push end 22: hinge end
23: hinge axis 24: restoring spring

Claims (3)

A push button 20 rotatably installed in a button hole 7 of the tailgate trim 1 in a trim inward direction;
A push end 21 protruding in the trim inward direction on an inner surface of the push button 20;
A hinge end 22 protruding and extending to one end of an inner surface of the push button 20 to be coupled to a hinge shaft 23 installed on the inner surface of the tailgate trim 1;
A restoring spring (24) mounted on the hinge shaft (23) for restoring the pushbutton (20) in a pressed release state to its original position;
By configuring
Tailgate latch emergency characterized in that the push button 20 is able to flip the emergency release lever 12 of the tailgate latch assembly 10 to the release position while the pressing end 21 is rotated by the push operation. Release device. delete delete

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