JP4917968B2 - Rear gate structure for vehicles - Google Patents

Description

  The present invention relates to a rear gate structure for a vehicle such as an automobile, and more particularly to a rear gate structure for supporting a rear gate with respect to a vehicle body by a link mechanism.

A rear gate (tail gate) provided at the rear opening of a vehicle such as an automobile is generally configured to be provided with a hinge at its upper end and the like so as to swing and swing around its rotation axis.
The rear gate using such a hinge has a large amount of protrusion to the rear side of the vehicle when it is opened.Therefore, there is room for improvement, for example, it cannot be opened in a parking lot where a wall or the like is adjacent to the rear of the vehicle. there were.
On the other hand, conventionally, a rear gate is supported by a link mechanism instead of a hinge so that the rear gate can be opened and closed even in a narrow space (for example, see Patent Document 1).
Special table 2002-504200 gazette

For example, if the rear gate is supported by a link mechanism having a pair of upper and lower links, the amount of protrusion to the vehicle rear side when the rear gate is opened can be reduced, so that the rear gate can be easily opened even in a narrow parking lot or the like. And improved usability.
However, it is difficult to increase the support rigidity of such a link-type rear gate when it is fully opened.For example, the rear gate may be shaken by a strong wind or the like, and the swing may be increased to cause the roof and the rear gate to collide with the surface. There was a risk of dents.
Therefore, for example, if a rear gate stopper that abuts a stopper receiving portion provided on the roof side when fully opened is provided at the end of the rear gate, the rear gate when fully opened can be stabilized and the above-described problems can be prevented. However, in this case, the number of parts increases, the structure becomes complicated, and the cost increases.
The subject of this invention is providing the rear gate structure for vehicles which ensured the stability at the time of rear gate full open by simple structure.

The present invention solves the above-described problems by the following means.
The invention according to claim 1 is provided between an opening provided at the rear of the vehicle, a rear gate provided in the opening so as to be openable and closable, and between the rear gate and the opening, and the rear gate closes the opening. A link mechanism that movably supports the rear gate between a closed position and an open position in which the upper end of the rear gate in the closed position advances and rises above the roof; and is provided at an end of the rear gate; A rear gate that abuts against a roof-side stopper receiving portion provided in the roof portion of the vehicle when the rear gate is fully open, and abuts against an opening-side stopper receiving portion provided at the opening when the rear gate is fully closed. It is a rear gate structure for vehicles provided with a stopper.
According to a second aspect of the present invention, in the rear gate structure for a vehicle according to the first aspect, the link mechanism has one end portion swingably connected to the opening portion and the other end portion swings to the rear gate. A first link that can be connected, and one end of which is swingably connected to the opening at a position spaced apart in the vertical direction or the front-rear direction with respect to the connection between the opening and the first link. A second link that is pivotably connected to the rear gate at a position spaced apart in the vertical direction or the front-rear direction with respect to the connecting portion between the rear gate and the first link. The vehicle rear gate structure is characterized.
According to a third aspect of the present invention, in the rear gate structure for a vehicle according to the first or second aspect, the rear gate stopper is formed to project from a front end surface on the inner panel side constituting the rear gate, and when the rear gate is fully closed. The opening side stopper receiving portion is formed by denting a surface portion facing the vehicle rear side at the upper end portion of the opening portion toward the vehicle front side, and the rear gate is in a fully closed state. In the rear gate structure for a vehicle, the projecting portion comes into contact with a front end portion of the opening side stopper receiving portion.

  According to the present invention, when the rear gate is in the fully opened state, it abuts against the roof side stopper receiving portion provided in the roof portion of the vehicle, and when the rear gate is in the fully closed state, it is in contact with the opening side stopper receiving portion provided in the opening. By providing the contacted rear gate stopper, it is possible to share the stopper when fully opened and when fully closed, and it is possible to ensure stability when the rear gate is fully opened while suppressing the increase in the number of parts and simplifying the configuration.

  The present invention aims to provide a vehicular rear gate structure that ensures stability when the rear gate is fully opened with a simple configuration. The problem was solved by providing a rear gate stopper that abuts the upper end.

Hereinafter, embodiments of a vehicle rear gate structure to which the present invention is applied will be described.
In this embodiment, the vehicle is a passenger car having a two-box type such as a station wagon or a hatchback.
FIG. 1 is a schematic external view of a vehicle having a vehicle rear gate structure according to an embodiment as viewed from the rear side.
2 is a cross-sectional view taken along the line II-II in FIG.
FIG. 3 is an enlarged view of part III of FIG.
FIG. 4 is an enlarged view of the IV-IV part of FIG.

As shown in FIGS. 1 and 2, a tailgate opening 20 is provided in the rear portion of the vehicle body 10.
The vehicle body 10 includes a roof portion 11, a rear bumper 12, a rear quarter panel 13, a pillar 14, and the like.
The roof part 11 is an upper surface part of the passenger compartment, and is a surface part arranged substantially horizontally.
The rear bumper 12 is provided at the lower part of the rear end of the vehicle.
The rear quarter panel 13 is a panel that forms a side surface portion in the rear portion of the vehicle around a rear wheel arch (not shown).
The pillar 14 is provided from the rear end portion at the upper end portion of the rear quarter panel 13 to the rear end portion at both side portions of the roof portion 11.

The opening 20 includes an upper end portion 21, a lower end portion 22, and a side end portion 23, and is formed in a substantially rectangular shape when viewed from the vehicle rear side.
The upper end portion 21 is provided at the rear end portion of the roof portion 11 of the vehicle body 10 and extends in the vehicle width direction.
The lower end portion 22 extends in the vehicle width direction along the upper end portion of the rear bumper 12 of the vehicle body 10.
The side end portion 23 extends substantially vertically along the rear end portions of the rear quarter panel 13 and the pillar 14, and is arranged at the side end portions of the upper end portion 21 and the lower end portion 22.

The rear gate 30 is provided so that the opening 20 can be opened and closed, and is supported by the vehicle body 10 via a link mechanism 40.
The rear gate 30 includes an upper end portion 31 and a side end portion 32.
The upper end portion 31 is disposed along the upper end portion 21 of the opening 20 when the rear gate 30 closes the opening 20. The upper end portion 31 is a portion that becomes the upper end portion of the rear gate when the rear gate 30 is fully closed. When the rear gate 30 is fully opened, the rear gate 30 rotates to rotate the front end portion and the lower end portion thereof. It becomes.
The side end portion 32 is a portion extending downward from both side end portions of the upper end portion 31, and extends along the side end portion 23 of the opening 20 and the pillar 14 of the vehicle body 10 when the rear gate 30 closes the opening 20. Are arranged as follows. The side end portion 32 is formed integrally with the upper end portion 31.
A rear window glass G is provided surrounded by the upper end portion 31 and the side end portion 32.

Further, as shown in FIGS. 3 and 4, the rear gate 30 is configured to include an outer panel 33 and an inner panel 34. The outer panel 33 and the inner panel 34 are each formed, for example, by pressing a steel plate or an aluminum alloy plate, or a resin material.
The outer panel 33 constitutes a part of the vehicle outer plate, and the inner panel 34 is provided on the inner surface side of the outer panel 33.

The link mechanism 40 is a link mechanism having an upper link 41 and a lower link 42, and further includes a damper trast 43 (see FIG. 2).
The upper link 41 and the lower link 42 are formed in, for example, an arm shape, and both end portions thereof are swingably connected to the side end portion 23 of the opening 20 and the side end portion 32 of the rear gate 30. For example, the center axis of the swing is arranged along the vehicle width direction.
The connecting portion with the opening 20 of the lower link 42 is disposed below the connecting portion with the opening 20 of the upper link 41. The connection portion of the lower link 42 with the rear gate 30 is disposed below the connection portion of the upper link 41 with the rear gate 30 in a state where the rear gate 30 is closed. Further, the length of the lower link 42 is formed longer than that of the upper link 41. As a result of these geometries, the rear gate 30 is lifted with respect to the upper end 31 when the lower end thereof is lifted from the closed position to the open position. The upper end 31 moves to the vehicle front side above the roof portion 11. In FIG. 2, the rear gate 30 and the link mechanism 40 when fully opened (open position) are illustrated by a two-dot chain line.
The damper strut 43 is provided between the side end 23 of the opening 20 and the side end 32 of the rear gate 30. The damper strut 43 includes a gas damper in which a pressurized gas is sealed. The damper strut 43 biases the rear gate 30 in the opening direction when the rear gate 30 is fully opened by the gas reaction force.

Further, a rear gate stopper 50 described below is provided at the upper end portion 31 of the rear gate 30.
The rear gate stopper 50 is formed in a block shape from, for example, a rubber-based or resin-based elastic material, and is disposed so as to protrude from the front end surface of the upper end portion 31 of the rear gate 30 on the inner panel 34 side.
As shown in FIG. 1, the rear gate stoppers 50 are respectively provided at both ends of the upper end portion 31 of the rear gate 30 in the vehicle width direction.

As shown in FIG. 3, the rear gate stopper 50 comes into contact with a stopper receiving portion 21 a formed at the upper end portion 21 of the opening 20 when the rear gate 30 is fully closed.
The stopper receiving portion 21a is formed by denting a surface portion facing the vehicle rear side at the upper end portion 21 of the opening 20 in a cup shape on the vehicle front side. The rear end of the rear gate stopper 50 (the front end when the rear gate 30 is fully closed) comes into contact with the front end (bottom) of the stopper receiving portion 21a.

As shown in FIG. 4, the rear gate stopper 50 comes into contact with a stopper receiving portion 11 a provided on the roof portion 11 when the rear gate 30 is fully opened. At this time, due to the biasing force in the direction in which the rear gate 30 is opened by the damper trast 43 described above, the rear end of the rear gate stopper 50 (the lower end when the rear gate 30 is fully opened) is in pressure contact with the stopper receiving portion 11a. To do.
The stopper receiving portion 11a may have the same configuration as the other portions of the roof portion 11, but if necessary, the back side may be stiffened or the front side may be damaged by, for example, a resin or rubber-based material. A protective member for prevention may be provided.

According to the embodiment described above, by providing the rear gate stopper 50 that contacts the stopper receiving portion 11a of the roof portion 11 when the rear gate 30 is fully opened and contacts the stopper receiving portion 21a of the opening 20 when the rear gate 30 is fully closed, It is possible to use a common stopper for the time and the fully closed state, and it is possible to ensure stability when the rear gate 30 is fully opened while simplifying the configuration by suppressing an increase in the number of parts.
Further, the rear gate stopper 50 is disposed at both ends of the upper end portion 31 of the rear gate 30 and the rear gate stopper 50 is pressed against the stopper receiving portion 11a by the biasing force of the damper trat 43, thereby further stabilizing the rear gate 30 when fully opened. Can be made.

(Modification)
The present invention is not limited to the embodiments described above, and various modifications and changes are possible, and these are also within the technical scope of the present invention.
(1) The configuration and shape of each member are not limited to the above-described embodiments, and can be changed as appropriate. For example, in the embodiment, a pair of rear gate stoppers is provided at both ends in the vehicle width direction, but the number of rear gate stoppers can be increased or decreased as appropriate, and the arrangement is not limited to both ends.
(2) Although the vehicle in the embodiment is a two-box vehicle such as a station wagon, the present invention is not limited to this and can be applied to a rear gate of a one-box type vehicle.

It is the typical external view which looked at the vehicle which has the Example of the rear gate structure for vehicles to which this invention is applied from the back side. It is the II-II part arrow sectional drawing of FIG. It is the III section enlarged view of FIG. It is the IV-IV part enlarged view of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Car body 11 Roof part 11a Stopper receiving part 12 Rear bumper 13 Rear quarter panel 14 Pillar 20 Opening 21 Upper end part 21a Stopper receiving part 22 Lower end part 23 Side end part 30 Rear gate 31 Upper end part 32 Side end part 33 Outer panel 34 Inner panel 40 Link mechanism 41 Upper link 42 Lower link 43 Damper path 50 Rear gate stopper

Claims (3)

An opening provided at the rear of the vehicle;
A rear gate that can be opened and closed at the opening;
Provided between the rear gate and the opening, between the closed position where the rear gate closes the opening, and the open position where the upper end of the rear gate in the closed position moves forward and rises above the roof A link mechanism for movably supporting the rear gate,
Provided at an end of the rear gate, abuts against a roof-side stopper receiving portion provided on a roof portion of the vehicle when the rear gate is fully open, and an opening provided at the opening when the rear gate is fully closed. A rear gate structure for a vehicle, comprising: a rear gate stopper that comes into contact with the portion side stopper receiving portion. The vehicle rear gate structure according to claim 1,
The link mechanism has a first link in which one end is swingably connected to the opening and the other end is swingably connected to the rear gate, and one end is connected to the opening. And a connection portion between the rear gate and the first link at a position spaced apart in the vertical direction or the front-rear direction with respect to the connection portion between the rear gate and the first link. And a second link swingably connected to the rear gate at a position spaced apart in the vertical direction or the front-rear direction. The vehicle rear gate structure according to claim 1 or 2,
The rear gate stopper is formed to project from the front end surface on the inner panel side constituting the rear gate, and has a projecting portion that becomes the front end when the rear gate is fully closed,
The opening side stopper receiving part is formed by denting a surface part facing the vehicle rear side at the upper end part of the opening part to the vehicle front side,
The rear gate structure for a vehicle, wherein, in the fully closed state, the projecting portion comes into contact with a front end portion of the opening side stopper receiving portion.

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