JPH09263125A - Rod-like link supporting structure in door locking mechanism for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of the noise caused by abutting of the link on a door frame by preventing the rod-like link inserted into the door frame from rolling while the vehicle is running. SOLUTION: A rod-like link 21 which constitutes the door locking mechanism of one of the door s constituting the bi-parting doors of a vehicle is supported vertically inserted into a door frame 12 of closed cross section structure in the door, and a support member 24 which is movably penetrated by the rod-like link 21 is arranged and positioned in the door frame 12, and the support member 24 supports the intermediate section of the rod-like link 21, preventing in from rolling.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support structure for a rod-shaped link in a vehicle door lock mechanism.

[0002]

2. Description of the Related Art As one type of door that opens and closes a rear opening of a vehicle, there is a double door type door having a pair of left and right doors 1 and 2, as shown in FIG. In the double-door double door of this type, one door 1 is provided with a lock mechanism that is releasably locked on the vehicle body 3 side, and a lock mechanism that is releasably locked between both doors 1 and 2.

In the former lock mechanism, as shown in FIGS. 6 and 7, a rod-shaped link 4 constituting the lock mechanism is inserted into a door frame 1a of one door 1 having a closed cross-section structure. The upper end of the rod-shaped link 4 is connected to a lock hook 5 which is rotatably supported on the upper end of the door frame 1a, and the lower end of which is rotatably supported on the lower side of the door frame 1a. It is connected to the release handle 6.

In the lock mechanism, one door 1
With the door closed, the lock hook 5 is hooked on the striker on the vehicle body 3 side to lock the door 1 on the vehicle body 3 side.
The lock release handle 6 can be rotated while the other door 2 is open. Therefore, when the lock release handle 6 is rotated while the other door 2 is open, the rod-shaped link 4 is pulled downward to rotate the lock hook 5, and the lock hook 5 on the vehicle body 3 side. The lock on the striker is released, the lock of one door 1 is released, and the door 1 can be opened.

[0005]

By the way, the rod-shaped link 4 constituting the lock mechanism is long and is inserted into the door frame 1a without being supported by any means so that the lock hook 5 and the lock release member are unlocked. It is only connected to the handle 6 and the intermediate part between the locking hook 5 and the unlocking handle 6 is free. Therefore, the rod-shaped link 4 may be laterally shaken during traveling of the vehicle and may come into contact with the door frame 1a. When the rod-shaped link 4 comes into contact with the door frame 1a, abnormal noise is generated.

In order to deal with this, as shown in FIG. 7A, the rod-shaped link 4 is formed in a curved shape along the door frame 1a, and a predetermined amount of space is provided between the rod-shaped link 4 and the door frame 1a. It may be held, but in this case, the rod-shaped link 4 is stretched by the turning operation of the unlocking handle 6, which gives an uncomfortable feeling during the unlocking operation. Also in this case, if a considerable amount of space is not secured between the rod-shaped link 4 and the door frame 1a, the rod-shaped link 4 may be rotated when the lock release handle 6 is rotated.
Touches the door frame 1a as shown by the chain double-dashed line,
It will cause abnormal noise.

Therefore, an object of the present invention is to support the intermediate portion of the rod-shaped link in the door frame to prevent lateral deflection of the rod-shaped link during vehicle traveling, and to prevent the rod-shaped link from contacting the door frame. This is to prevent the generation of abnormal noise.

[0008]

SUMMARY OF THE INVENTION The present invention is a rod-shaped door lock mechanism that releasably locks one of a pair of left and right doors forming a double door that opens and closes a rear opening of a vehicle. The present invention relates to a support structure for supporting a link inside a door frame having a closed cross-section structure in one of the doors in a vertical direction while the link is inserted therein.

The support structure of the present invention is characterized in that the support member movably penetrating the rod-shaped link is positioned and arranged in the door frame.

In the supporting structure, as the supporting member, a supporting member having a tubular portion through which the rod-shaped link is movably inserted and an outward flange portion provided at one end of the tubular portion is adopted, and The rod-shaped link may be configured such that a stopper for restricting the downward movement of the support member is provided at a predetermined portion in the longitudinal direction.

In the support structure, the support member is fixed by a fixing member made of a synthetic resin material which is injected into the door frame from a side portion and hardened in the door frame. Can be adopted. In this case, it is preferable that the synthetic resin material is injected into the upper side of the outward flange portion forming the support member and cured.

[0012]

In the support structure of the rod-shaped link configured as described above, since the support member movably penetrating the rod-shaped link is fixed in the door frame, the intermediate structure of the rod-shaped link is obtained. With the portion being supported in the door frame, lateral vibration of the rod-shaped link when the vehicle is traveling is prevented, and generation of abnormal noise due to contact between the rod-shaped link and the door frame is prevented. In such a support structure of the rod-shaped link, since the rod-shaped link is allowed to move in the longitudinal direction of the support member, no obstacle is caused in the unlocking operation and the locking operation.

In the support structure of the rod-shaped link, a support member having a tubular portion through which the rod-shaped link is movably inserted and an outward flange portion provided at one end of the tubular portion is used as the support member, A stopper for restricting movement of the rod-shaped link to one of the supporting members is provided at a predetermined position in the longitudinal direction of the rod-shaped link, and the supporting member is fixed by a fixing member. Adopts a synthetic resin material that is injected from the side of the frame and hardens inside the door frame to fix the support member, and then injects the synthetic resin material into the upper side of the outward flange that forms the support member. Various configurations can be adopted in the support structure, such as by curing the support structure.

Thus, it is easy to dispose the support member at a predetermined position in the door frame, inject the fixing member into the door frame from the side surface of the door frame, and fix the support member in the door frame. Be done exactly.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described below with reference to the drawings. FIG. 1 shows a door 11 which employs a supporting structure according to the present invention to support rod-shaped links. The door 11 corresponds to a right side door that constitutes a double door that opens and closes the rear opening of the vehicle shown in FIG.
As shown in FIG. 3, a rod-shaped link 21 is supported in the door frame 12 that constitutes the door 11.

The rod-shaped link 21 is a long one which constitutes a lock mechanism for releasably locking the door 11 to the vehicle body side, and the outer panel 12a constituting the door frame 12.
Between the inner panel 12b and the inner panel 12b is vertically inserted through a working hole 12c provided at an upper end portion of the inner panel 12b, and the upper end portion is turned around a locking hook 22 rotatably supported near the working hole 12c. Of the outer panel 1 under the door frame 12 is connected to the outer panel 1
It is rotatably connected to a lock release handle 23 which is rotatably supported on the side of 2a.

In the lock mechanism, when the door 11 is closed, the locking hook 22 is automatically hooked by the striker provided on the vehicle body side to lock the door 11 in the closed state and the unlocking handle. When the rod 23 is rotated, the rod-shaped link 21 is pulled downward, the locking hook 22 rotates, and the hook on the striker on the vehicle body side is released, and the lock of the door 11 on the vehicle body is released. As a result, the door 11 can be opened.

Therefore, as shown in FIG. 2, the rod-shaped link 21 is inserted into the door frame 12 while being movably penetrated by the support member 24. In addition, the support member 24 is fixed at a predetermined portion in the door frame 12 by a fixing member 25. 2 shows a procedure of disposing the supporting member 24 in the door frame 12 and fixing the supporting member 24 with the fixing member 25.

As shown in FIGS. 2 and 4, the support member 24 is composed of a short tubular portion 24a and an outward flange portion 24b provided at the lower end thereof, and the tubular portion 24a and the outward flange portion 24b are combined. It is integrally molded with resin.
The tubular portion 24a is formed to have an inner diameter through which the rod-shaped link 21 is movably penetrated, and the outward flange portion 24b is flexible so that it can be inserted into the inner hole of the door frame 12.

On the other hand, in the intermediate portion of the rod-shaped link 21,
A stopper 21b, which is flattened by compressing a part of the link body 21a, is formed, and when the support member 24 penetrates the rod-shaped link 21, it is received by the stopper 21b and further downward. The movement of the link body 21a is restricted, and the link body 21a is located in the middle portion.

The fixing member 25 is formed by injecting a urethane foaming undiluted solution into the inner hole of the door frame 12 and foaming and hardening it. The foaming undiluted solution is the inner panel 1 of the door frame 12.
It is injected into the inside through an injection hole 12d provided in the side portion of the intermediate portion of 2b. Injection hole 12d of inner panel 12b
Is a support member 24 located in the inner hole of the door frame 12.
Is opened slightly above the upper end of the tubular portion 24a above the outward flange portion 24b, and the foaming undiluted solution is supplied onto the outward flange portion 24b of the support member 24 and foam-cured to be integrated with the support member 24. Door frame 1
The fixing member 25 having the same shape as the second inner hole is formed.

FIG. 2A shows a portion where the injection hole 12d is formed in the door frame 12, and FIG. 2B shows the rod-shaped link 21 and the support member 24 arranged in the inner hole of the door frame 12. The state is shown, and FIG. 3C shows the fixing member 25 formed by injecting the foaming undiluted solution into the inside through the injection hole 12d and foaming and hardening. The fixing member 25 is foamed and hardened in a state of being integrated with the support member 24, and is molded in a state of being fixed in the inner hole of the door frame 12 and fixed in the door frame 12. In this state, the cylindrical portion 24a of the support member 24 is fixed to the fixing member 25.
Of the outward flange portion 24 while protruding from the upper surface of the
The rod-shaped link 2 that opens at the lower surface of b and penetrates
1 is allowed to move in the vertical direction.

In the support structure of the rod-shaped link 21 thus configured, the support member 24 that movably penetrates the rod-shaped link 21 is fixed in the door frame 12 by the fixing member 25. Are configured. For this reason, the intermediate portion of the rod-shaped link 21 is the door frame 1
2, the rod-shaped link 21
When the vehicle is traveling, the lateral shake is prevented, the rod-shaped link 21 and the door frame 12 do not come into contact with each other, and the generation of abnormal noise due to the contact between these two 11 and 21 is prevented. In this support structure, since the rod-shaped link 21 is allowed to move in the vertical direction by the support member 24, no obstacle is caused to the unlocking operation and the locking operation.

Further, in the support structure of the rod-shaped link, as the support member 24, a support member having a tubular portion 24a into which the rod-shaped link 21 is movably inserted and an outward flange portion 24b provided at the lower end thereof is provided. The stopper 21 which is adopted and which receives the support member 24 at the intermediate portion of the link body 21a of the rod-shaped link 21 and restricts the downward movement thereof.
Since b is provided, the door frame 12 of the support member 24
It is easy to position at a predetermined site within the inner hole of the.

In the support structure of the rod-like link, the fixing member 25 is injected into the inner hole of the door frame 12 by injecting the foaming stock solution into the inside from the injection hole 12d provided in the side portion of the door frame 12. Since the outer flange portion 24b of the support member 24 is foam-cured and molded, the outer flange portion 24b of the support member 24 is made of synthetic resin material.
It is possible to easily adopt a configuration in which the fixing member 25 is injected into the upper side of the door frame 12 and hardened, and the fixing member 25 is accurately positioned at a predetermined position in the inner hole of the door frame 12 so that the support member 24 is inside the door frame 12. Securely in the hole, and the rod-shaped link 21
It can be fixed without causing any hindrance to the vertical movement of the.

[Brief description of drawings]

FIG. 1 is a perspective view of a door in which a rod-like link is supported in a door frame by adopting a support structure of the present invention, as seen from the outside.

2A and 2B are views showing a procedure of arranging and fixing a support member of the door frame, wherein FIG. 2A is a partial perspective view showing an arrangement portion of the support member of the door frame, and FIG. It is a perspective view showing the state where (b) and a supporting member were fixed with a fixing member.

FIG. 3 is a perspective view (a) seen from the inside showing a door frame that inserts and supports a rod-shaped link, and a cross-sectional view (b) in the direction of arrow bb of the same figure.

FIG. 4 is a perspective view (a) of the rod-shaped link in a state where the support member is pierced, an enlarged perspective view (b) of an arrangement portion of the support member, and an enlarged cross-sectional view of a stopper formation portion of the rod-shaped link. It is a figure (c).

FIG. 5 is a perspective view of a vehicle including a door to which the support structure of the present invention is applied, as seen from the rear side.

FIG. 6 is a perspective view corresponding to FIG. 1 of a conventional door in which a rod-shaped link is inserted and arranged in a door frame.

FIG. 7 is a longitudinal section (a) and an enlarged transverse section view (b) of the door frame.

[Explanation of symbols]

11 ... Door, 12 ... Door frame, 12d ... Injection hole, 2
DESCRIPTION OF SYMBOLS 1 ... Rod-shaped link, 21b ... Stopper, 22 ... Locking hook, 23 ... Unlocking handle, 24 ... Support member, 24a ... Cylindrical part, 24b ... Outward flange part, 25 ... Fixing member.

Claims (4)

[Claims] 1. A rod-shaped link forming a door lock mechanism for releasably locking one of a pair of left and right doors forming a double door that opens and closes a rear opening of a vehicle on the vehicle body side in the one door. It is a support structure that supports the door frame having a closed cross-section structure in a vertically inserted state in the frame, and a support member that movably penetrates the rod-shaped link is positioned in the door frame. A support structure for a rod-like link in a vehicle door lock mechanism, which is characterized by being arranged as follows. 2. The support structure according to claim 1, wherein the support member includes a tubular portion through which the rod-shaped link is movably inserted, and an outward flange portion provided at one end of the tubular portion. In addition, the rod-shaped link is provided with a stopper for restricting the downward movement of the support member at a predetermined portion in the longitudinal direction. Construction. 3. The support structure according to claim 1, wherein the support member is made of a synthetic resin material which is injected into the door frame from a side portion thereof and hardened in the door frame. A support structure for a rod-shaped link in a vehicle door lock mechanism, characterized in that the support structure is fixed by a member. 4. The vehicle door lock mechanism according to claim 2, wherein the synthetic resin material is injected into an upper side of an outward flange portion forming the support member and cured. Support structure for rod-shaped links.