JPH09267640A - Rear structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain degree of freedom in molding at a rear part of a vehicle even in such a structure as the end part of a back door stay is pivoted and a rear combination lamp is disposed at a back pillar. SOLUTION: A recessed groove 4 for storing a back door stay 23 is formed at the rear surface of a back pillar 3. A rear combination lamp 9 is fixed at protrusion bars 7, 7 so that its lower surface may be mounted on a stage part 5 and the flange 10 is brought into contact with both the protrusion bars 7, 7. Therefore, a space part 14 is formed between the rear combination lamp 9 and the recessed groove 4. The space part 14 is closed by a rear combination cover 15 at the upper end part of the rear combination lamp 9. The upper end part of the back door stay 23 is pivoted through a bracket 24 at the back door 22. The lower end part of the back door stay 23 is pivoted by the back pillar 3 in the space part 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear structure of a vehicle body that supports a back door so that the back door can be opened and closed.

[0002]

2. Description of the Related Art A conventional vehicle body rear structure shown in FIG. 5 is known (see Japanese Utility Model Laid-Open No. 6-68938). That is, the rear portion of the vehicle body 50 is provided with the opening 51, and the back pillars 52 extending in the vertical direction are provided on both sides of the opening 51. A back door 53 that pivots in the vertical direction to open and close the opening 51 is pivotally supported at the upper edge of the opening 51. An upper end of a back door stay 54 made of gas is pivotally supported on the back door 53, and a lower end of the back door stay 54 is pivotally supported by the back pillar 52. Further, a rear combination lamp 55 is arranged in the back pillar 52 below the pivotal support portion of the back door stay 54.

In such a structure, when the back door 53 is opened, the back door stay 54 swings and expands due to the internal gas pressure, whereby the back door 53 can be opened with a light operating force. Also, the back door 5
When closing 3, the back door stay oscillates and contracts against the internal gas pressure, whereby the speed at the time of closing and the impact at the time of full closing can be alleviated.

[0004]

As described above, in the back door 53 which obtains the operation assisting force at the time of opening and closing by the back door stay 54, the lower end portion of the back door stay 54 is pivotally supported by the back pillar 52. Therefore, the lower end of the back door stay 54 and the rear combination lamp 55
The rear combination lamp 5 in order to avoid the interference of
5 must be arranged below the pivot of the back door stay 54. Therefore, in this type of vehicle body, the arrangement position of the rear combination lamp 55 is limited, and it is not possible to secure the degree of freedom of modeling at the rear portion of the vehicle body.

The present invention has been made in view of the above conventional problems. Even in the structure in which the end portion of the back door stay is pivotally supported by the back pillar and the rear combination lamp is arranged, the rear portion of the vehicle body. It is an object of the present invention to provide a back door stay support structure capable of obtaining the degree of freedom of modeling in the above.

[0006]

In order to solve the above-mentioned problems, in the present invention, an opening portion and back pillars extending on both sides of the opening portion are provided in a rear portion of a vehicle body, and a vertical direction is provided. A back door that pivots to open and close the opening, and a back door stay that is pivotally supported at both ends by the upper portion of the back door and the back pillar and that expands and contracts while swinging as the back door opens and closes. In a rear structure of a vehicle body provided with a rear combination lamp arranged on the back pillar, the back door stay may swing between the rear combination lamp and the back pillar as the back door opens and closes. A space portion having a cross-sectional area is formed, and an end portion of the back door stay is inserted into the space portion and is pivotally supported by the back pillar.

In such a structure, when the back door is opened and closed, the back door stay expands and contracts and swings. However, the space formed in the upper end of the rear combination lamp and where the back door stay is inserted is
The back door stay has a cross-sectional area in which it can swing. Therefore, even if the lower end of the back door stay is pivotally supported by the back pillar in the space between the rear combination lamp and the back pillar, the back door can be opened and closed without any trouble. Further, in this way, if it becomes possible to pivotally support the lower end of the back door stay in the space between the rear combination lamp and the back pillar,
In the back pillar, it is possible to arrange the rear combination lamp higher than before, and as a result,
The degree of freedom of shaping at the rear part of the vehicle body can be obtained.

Further, according to the present invention, a recessed groove formed in the back pillar and storing the back door stay when the back door is closed is extended to a position where the rear combination lamp is arranged. The space is formed between the space and the combination lamp. Therefore, the space can be formed only by a simple design change of extending the concave groove, and the rigidity of the back pillar can be increased by extending the concave groove. Furthermore, the present invention provides a cover member for closing the upper portion of the space, and the cover member has a bellows-like protrusion that closely surrounds an end peripheral surface of the back door stay inserted into the space. Was formed. Therefore, intrusion of water and dust into the rear combination lamp is prevented while ensuring the swingability of the back door stay.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. That is, as shown in FIGS. 1 and 2, an opening 2 is provided in the rear portion of the vehicle body 1, and a back pillar 3 extending vertically is provided on both sides of the opening 2.
Is provided. As shown in FIG.
As clearly shown in FIG. 5, a concave groove 4 is formed between the ridges 7 on both sides for accommodating a back door stay described later. The recessed groove 4 extends downward from the upper end of the back pillar 3 and is formed up to a step 5 formed slightly below the center of the back pillar 3 in the vertical direction. A through hole 8 is formed in the groove 4 near the upper portion of the step portion 5,
In the portion where the through hole 8 is formed, the concave groove 4 is formed wider than the upper side thereof.

On the other hand, the rear combination lamp 9 has flanges 10 (only one side is shown) formed on both sides of the rear combination lamp 9, and as shown in FIG.
A plurality of housing parts 11 are formed inside. A valve 12 to which a harness 13 is connected is arranged to pass through each housing portion 11, and the penetrating portion of each valve 12 is waterproofed. Further, the rear combination lamp 9 is fixed to the ridges 7, 7 by placing the lower surface on the stepped portion 5 and making the flange 10 contact both ridges 7, 7. . As a result, a space portion 14 is formed between the rear combination lamp 9 and the concave groove 4 according to the depth of the concave groove 4. Also,
Each harness 13 is inserted into the grommet 29 fitted in the through hole 8 and arranged in the back pillar 3.

The space 14 is closed by a rear combination cover 15 as a cover member at the upper end of the rear combination lamp 9. As shown in FIG. 4, the rear combination cover 15 is integrally formed with an upper surface portion 16 that closes the space portion 14 and one end portion of the upper surface portion 16, and is close to the upper wall portion 9a of the rear combination lamp 9. It is composed of a standing piece 17 that stands up to a portion, a mounting piece 18 that is integrally formed at the other end of the upper surface portion 16 and that stands down along the groove 4, and the like. The central portion of the upper surface portion 16 has a bellows-shaped ridge 1 that can be bent and deformed in the radial direction.
9 is provided, and a central hole 20 is provided at the center of the raised portion 19. Further, the mounting piece 18 has a mounting hole 2
1 is provided, and the rear combination cover 15 has a bolt and nut 28 which is fixed by inserting the assembly hole 21 into the concave groove 4.
It is fixed by fitting to.

On the other hand, a back door 22 that pivots in the vertical direction to open and close the opening 2 is pivotally supported at the upper edge of the opening 2. An upper end portion of the back door stay 23 is pivotally supported via a bracket 24 at an upper end portion of the back door 22 on the side of the passenger compartment in the vehicle interior side. The back door stay 23 includes an upper cylinder 25 filled with gas and a retractable piston rod 26 protruding from the lower end of the cylinder 25. And the piston rod 26
Is inserted into the space 14 through the center hole 20 of the rear combination cover 15, and is pivotally supported by the bolt & nut 28 by a pivot 27 provided at the lower end.

In the space portion 14, when the back door stay 23 swings as the back door 22 opens and closes, the peripheral portion of the piston rod 26 has the ridge 7 and the upper wall portion 9a of the rear combination lamp 9. Etc. has a cross-sectional area that does not interfere with surrounding members. Further, the raised portion 19 has elasticity capable of following the swing of the back door stay 23, and the center hole 20 surrounds the piston rod 26 and is pressed against the peripheral surface thereof in a watertight manner.

In this embodiment having the above structure, when the back door 22 is opened, the back door stay 23
Oscillates to extend the piston rod 26 by the internal gas pressure, whereby the back door 22 can be opened with a light operating force. When the back door 22 is closed, the back door stay 23 swings and the piston rod 26 contracts against the internal gas pressure. This allows
The speed at the time of closing the back door 22 and the impact when the back door 22 is fully closed can be reduced, and when the back door 22 is fully closed, the back door 22 is stored in the groove 4. At this time, since the raised portion 19 has a bellows shape, it deforms following the swing of the piston rod 26,
It does not hinder the swinging flexibility of.

As described above, when the back door 22 is opened and closed, the back door stay 23 swings, but the space 14
Has a cross-sectional area where the piston rod 26 of the back door stay 23 does not interfere with the surrounding members. Therefore, even if the piston rod 26 of the back door stay 23 is pivotally supported by the back pillar 3 in the space 14 between the rear combination lamp 9 and the concave groove 4 of the back pillar 3 at the lower end portion thereof, the back door stays without any trouble. 22 can be opened and closed. If the lower end of the piston rod 26 can be pivotally supported on the back pillar 3 between the rear combination lamp 9 and the back pillar 3 as described above, the rear combination lamp 9 can be pivotally supported on the piston rod 26. And can be placed to overlap.
Therefore, in the back pillar 3, the rear combination lamp 9 can be arranged above the conventional one, or the piston rod 26 can be pivotally supported on the back pillar 3 below the conventional one. The degree of freedom can be increased.

When traveling in rainy weather, rainwater flows into the groove 4 at the upper part and then flows down along the groove 4. However, since the upper portion of the space portion 14 is closed by the rear combination cover 15, the rear combination cover 15 can prevent rainwater and dust from entering the space portion 14. Depending on the sealing property of the rear combination cover 15, a small amount of rainwater may enter the space 14 along the groove 4. However, after the rainwater that has entered the space 14 reaches the step 5, it passes through the gap S (FIG. 4) formed between the step 5 and the lower end of the rear combination lamp 9. It is drained, and therefore, water does not stay on the back surface of the rear combination lamp 9.

Moreover, the recessed groove 4 in which the back door stay 23 is housed when the back door 22 is closed is longer than the entire length of the back door stay 23 and extends to the step 5. Therefore, by forming the elongated recessed groove 4 in the back pillar 3, the rigidity of the back pillar 3 can be increased, and by extension, the rigidity of the rear portion of the vehicle body 1 can be increased.

In the embodiment, the back pillar 3 is used.
Although the concave groove 4 is provided on the side to form the space portion 14 between the rear combination lamp 9 and the rear combination lamp 9, on the contrary, the concave portion is provided on the rear surface of the rear combination lamp 9 so that a space is formed between the rear pillar 3 and the rear pillar 3. You may make it form a part.

[0019]

As described above, according to the present invention, between the rear combination lamp and the back pillar, a space portion having a cross-sectional area in which the back door stay can swing when the back door is opened and closed is formed. The end of the back door stay was inserted into the space so as to be pivotally supported by the back pillar. Therefore, even if the end of the back door stay is pivotally supported by the back pillar in the space between the rear combination lamp and the back pillar, the back door can be opened and closed without any trouble. Thus, if the end of the back door stay can be pivotally supported by the back pillar between the rear combination lamp and the back pillar, the rear combination lamp is overlapped with the pivot portion of the back door stay. Can be arranged. As a result, it is possible to arrange the rear combination lamp in the back pillar higher than before, or to pivot the end of the back door stay below the back pillar in relation to the back pillar. The degree of freedom can be increased, the range in which the length of the back door stay is set is widened, and a back door stay with an appropriate reaction force can be selected according to the weight of the back door.

Further, the recessed groove formed in the back pillar and storing the back door stay when the back door is closed is extended to the location of the rear combination lamp to form a space. Therefore, it is possible to form the space portion only by a simple design change of extending the concave groove for storing the back door stay, and by extending the concave groove, the rigidity of the back pillar is increased and As a result, the rigidity of the rear part of the vehicle body can be increased.

Further, a cover member for closing the upper portion of the space is provided, and the cover member has a bellows-like protrusion that closely surrounds an end peripheral surface of the back door stay inserted into the space. Was formed. Therefore, it is possible to prevent water and dust from entering the space and the rear surface of the rear combination lamp while ensuring the swingability of the back door stay.

[0022]

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view of the embodiment.

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a sectional view taken along line AA of FIG. 2;

FIG. 5 is a side view of a rear portion of a vehicle body showing a conventional structure.

[Explanation of symbols]

 1 Car Body 2 Opening 3 Back Pillar 4 Recessed Groove 9 Rear Combination Lamp 14 Space Part 15 Rear Combination Cover 19 Ridge 20 Center Hole 22 Back Door 23 Back Door Stay

Front Page Continuation (72) Inventor Shigeo Mori 10-1 Amanuma, Hiratsuka, Kanagawa Nissan Shatai Co., Ltd.

Claims (3)

[Claims] 1. A back door provided with an opening and a back pillar extending to both sides of the opening at a rear portion of a vehicle body, and a back door that opens and closes the opening by pivoting in a vertical direction, and the back door. A rear structure of the vehicle body in which both ends are pivotally supported by the upper part of the vehicle and the back pillar, and a back door stay that expands and contracts while swinging with the opening and closing of the back door is provided, and a rear combination lamp is arranged on the back pillar. In the space between the rear combination lamp and the back pillar, a space portion having a cross-sectional area in which the back door stay can swing when the back door is opened and closed is formed, and the back door stay is formed in the space portion. A rear structure of a vehicle body, wherein an end portion of the vehicle body is inserted to pivotally support the back pillar. 2. A recessed groove formed in the back pillar and storing the back door stay when the back door is closed is extended to a position where the rear combination lamp is arranged, and the recessed groove and the rear combination lamp are combined with each other. The support portion structure for a back door stay according to claim 1, wherein the space portion is formed between them. 3. A cover member for closing the upper part of the space is provided, and a bellows-like ridge that closely surrounds the end peripheral surface of the back door stay inserted into the space in the cover member. The support portion structure of the back door stay according to claim 1, wherein the support portion structure is formed.