JPH0717552Y2 - Vehicle door locking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a vehicle door locking device that locks and holds an openable door that is mounted on a vehicle body in an open state.

[Prior Art] Conventionally, for example, as shown in FIG. 5, a door (back door) is released from a closed position at an opening angle of 180 ° or more with a hinge mechanism serving as a fulcrum at a rear side edge of a vehicle body. In the vehicle, on the lower surface of the inner panel 5 of the door 3,
A locking band 11 'made of a rubber ring is fixed to one end of the locking band 11', and a hook is provided at the tip of the locking band 11 '.
11a 'is attached. The locking band 11 is the fifth
As shown by the chain line in the figure, the hook 11a 'is locked to the locking portion 15' on the lower surface of the inner panel 5 to be stored along the lower surface of the inner panel 5. Further, when the door 3 is opened, the hook 11a 'of the locking band 11a' is disengaged from the locking portion 12 'of the inner panel 5, and the locking band 11' is pulled while the hook 11a 'is pulled. There is known a structure in which the door 3 is held in the open position by locking the stop hook 11a 'to the locking portion 12' of the vehicle body 3.

[Problems to be Solved by the Invention] By the way, in the above-mentioned conventional apparatus, there is a case where the storage space for the locking band 11 'cannot be enlarged on the lower surface of the inner panel 5 of the door 3, and in this case, , The locking band 11 'cannot be lengthened. Therefore, while pulling out the locking band 11 ′ whose one end is fixed to the door 3 with a strong force, the latching hook 11 at the tip thereof is extended.
The a'must be locked to the locking part 12 'of the vehicle body. For this reason, not only is it difficult to lock the door 3 with the locking band 11 ', but also the rubber of the locking band 11' is significantly deteriorated.

In view of the above-mentioned conventional problems, an object of the present invention is to provide a vehicle door locking device that can easily lock the door to the vehicle body when the door is open.

[Means for Solving the Problems] In order to achieve the above object, the first invention of the present invention is as follows.
A locking device for a vehicle door, which locks and holds an openable door that is mounted on a vehicle body in an open state, wherein the door is pulled out from a drawer opening formed in a lower surface of the door and has a front end. A locking band that holds the door in an open state by internally locking the latching part is provided inside the vehicle body, and the locking band is always provided in the door. The elastic force of the coil spring is held at the storage position inside the door.

A second aspect of the present invention is a vehicle door locking device that locks a door that is openably and closably mounted on a vehicle body in an open state, wherein the inside of the vehicle body is provided with a lower surface of the body. A locking band that holds the door in an open state is installed by being pulled out from the opened drawer opening and the hooking portion at the tip is locked by a locking portion provided at a predetermined position of the door. The band is always held in the storage position in the vehicle body by the elastic force of the coil spring provided in the vehicle body.

[Operation] In the first invention configured as described above, the locking band housed in the door is pulled out from the pull-out port on the lower surface of the door while compressing the coil spring, and the latching portion at the tip thereof is used in the vehicle. The door is locked and held in the open state by the locking band by being locked to the locking portion of the body.

Further, in the second device configured as described above,
The locking band housed in the vehicle body is pulled out from the pull-out port on the lower surface of the vehicle body while compressing the coil spring, and the latching portion at the tip of the locking band is locked by the locking portion of the door, so that the door is closed. Is locked and held in the open state by the locking band.

(Embodiment 1) Hereinafter, Embodiment 1 of the present invention will be described with reference to FIG. 1 and FIG.

In FIG. 1, a door (back door) 3 is attached to a side edge of an opening of a vehicle body 1 having a luggage compartment that opens rearward so as to be opened and closed by a hinge mechanism (not shown).

As shown in FIG. 2, the door 3 has a hollow double structure composed of an outer panel 4 and an inner panel 5. A cylindrical guide tube 6 is arranged in the interior space of the door 3. A support cylinder 7 having an outlet 8 in the center and a mounting flange 9 on the outer circumference of the lower end is fixed to the outer circumference of the lower end of the guide cylinder 6. Then, the guide cylinder 6 is inserted into the space of the door 3 through an opening hole penetrating the lower surface of the inner panel 5 of the door 3, and a mounting flange 9 of the support cylinder 7 thereof is fixed to a peripheral portion of the opening hole of the inner panel 5. By doing so, it is assembled in the space of the door 3.

A coil spring 10 and a locking band 11 are incorporated in the guide cylinder 6. The locking band 11 is formed in a rod shape from a rubber material that elastically expands and contracts, and its lower end has a bottom plate of the guide tube 6.
Through the insertion hole formed through 6a, the support tube 7 is inserted into the drawer opening 8 so as to be drawn out. Further, the lower end of the locking band 11 is pulled out from the pull-out port 8 and is connected to the vehicle body 1.
Locking hook 12 provided at the lower rear end of the side panel 2 of
A latch ring 11a is formed so as to be releasably locked to the. The upper end of the locking band 11 extends through the center hole of the coil spring 10 and the spring receiving washer 13 at the upper end of the coil spring 10 to the vicinity of the upper end of the guide cylinder 6, and the locking band
The upper end of 11 has a retaining pin that abuts the spring washer 13.
14 is projected.

That is, the locking band 11 is always held by the elastic force of the coil spring 10 in the storage position where it is stored in the guide tube 6.

The elastic force of the coil spring 10 is positively set to be smaller than the elastic force of the locking band 11. Further, the locking band 11 is pulled out from the pull-out port 8 while compressing the coil spring 10, and the pulling-out length is such that the latching ring of the locking band 11 is in the state where the door 3 is opened.
The length 11a is set to such an extent that it can be hooked on a locking hook 12 arranged below the rear portion of the side panel 2 of the vehicle body 1.

This embodiment is constructed as described above. Therefore,
In a state where the door 3 is opened to a predetermined opening angle position with respect to the vehicle body 1, the locking band 11 is provided from the drawer opening 8 opened on the lower surface of the inner panel 5 of the door 3 to the coil spring.
The door 3 is held in the open state by pulling out a predetermined length while compressing 10 and engaging the retaining ring 11a of the band 11 with the retaining hook 12 of the vehicle body 1. In this way, by pulling out the locking band 11 from the pull-out port 8 of the door 3, the latch ring 11a at the tip can be easily locked to the locking hook 12 of the vehicle body 1. Further, due to the structure in which the locking band 11 is housed in the guide tube 6 inside the door 3, the locking band 11 can be set to an appropriate length, and unlike the conventional case, the locking band 11 can be pulled with a large force. While stretching, it is possible to eliminate the difficulty of locking the hooking ring 11a at the tip of the locking ring 11a to the locking hook 12 of the vehicle body 1, and to prevent rubber deterioration of the locking band 11.

When the retaining ring 11a of the retaining band 11 is disengaged from the retaining hook 12 of the vehicle body 1, the retaining band 11 is pulled back to the original storage position by the elastic force of the coil spring 10, and the door is closed. It is stored in the guide tube 6 of 3.

Second Embodiment Next, a second embodiment of the present invention will be described with reference to FIGS. 3 and 4. In the second embodiment, the inside of the side panel 2 of the vehicle body 1 has substantially the same structure as that of the first embodiment. Locking band
11 and the coil spring 10 are installed inside, and the guide cylinder 6 is attached to the support cylinder 7 at the lower end thereof. The outlet 8 of the support cylinder 7 opens on the lower surface of the side panel 2 of the vehicle body 1, and the locking band 11 is pulled out from the outlet 8. Then, the latching ring 11a at the tip of the locking band 11 is fixed to the lower surface of the inner panel 5 of the door 3 in the open state and locked by the locking hook 12, so that the door 3 is held in the open state. ing. Therefore, also in the second embodiment, substantially the same actions and effects as in the first embodiment are achieved.

[Advantages of the Invention] As described above, according to the present invention, when the door that is openably and closably mounted on the vehicle body is opened, the locking band is provided from the lower surface of the door or the outlet of the lower surface of the vehicle body. Since the coil spring can be pulled out while being compressed, the hooked portion at the tip of the pulled out locking band can be easily locked to the vehicle body or the locking portion of the door. Therefore, unlike the prior art, it is possible to eliminate the difficulty of locking the hooking part at the tip of the locking band to the locking part while stretching the locking band with a strong force, and the locking band is made of a rubber material. When it is, the rubber deterioration can be reduced.

Further, by releasing the latching portion at the end of the locking band from the locking portion, the locking band is housed inside the door or the vehicle body by the elastic force of the coil spring, so that the entire locking band is Unlike the conventional one exposed on the lower surface of the door, there is an effect that the appearance is not spoiled by the locking band and the locking band can be protected.

[Brief description of drawings]

1 and 2 of the drawings show Embodiment 1 of the present invention. FIG. 1 is a perspective view showing a state in which a main part of a locking device is assembled in a door panel, and FIG. 2 is the same. Sectional view, third
FIG. 4 and FIG. 4 show a second embodiment of the present invention, FIG. 3 is a perspective view showing a state in which a main portion of a locking device is assembled in a vehicle body, and FIG. 4 is a sectional view of the same. is there. FIG. 5 is a perspective view showing a conventional one. 1 …… Vehicle body 3 …… Door 8 …… Drawout port 10 …… Coil spring 11 …… Locking band 11a …… Latch ring 12 …… Locking hook

Claims (2)

[Scope of utility model registration request] 1. A locking device for a vehicle door, which locks and holds an openable door that is mounted on a vehicle body in an open state, wherein a door is provided in the door through a drawer opening formed on a lower surface of the door. A locking band that holds the door in an open state by having a hooking portion at the tip of the vehicle body locked by a locking portion provided at a predetermined position of the vehicle body is provided, and the locking band is always A locking device for a vehicle door, characterized in that it is held at a storage position inside the door by the elastic force of a coil spring provided inside the door. 2. A locking device for a vehicle door, which locks a door that is openably and closably mounted on a vehicle body in an open state, wherein the vehicle body has a drawer opening formed in a lower surface of the body. A locking band that holds the door in an open state is provided by locking the hooking portion at the front end of the door to the locking portion provided at a predetermined position of the door. A locking device for a vehicle door, which is configured to be held at a storage position in the vehicle body by an elastic force of a coil spring provided in the vehicle body.