JP2902573B2 - Back door stopper structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back door stopper structure of a vehicle, and more particularly, to a back door stopper structure which is supported by a rear opening edge of a body via a hinge so as to be freely rotatable in a horizontal direction. .

[0002]

2. Description of the Related Art Generally, a so-called side-opening type back door which is provided at a rear opening of a vehicle body and opens and closes the opening is provided with one side edge in the vehicle width direction of the back door via a hinge. And pivoted to the rear opening edge of the body,
At the other end of the back door in the vehicle width direction, a lock mechanism for locking the door to the opening when the back door is closed is provided. In the vehicle having such a structure, the hinge of the back door is provided. There is no problem because the pivoting portion and the lock position of the lock mechanism are pivotally supported or locked to the body, but the upper end of the back door apart from these hinges and the lock mechanism may be used when the vehicle is running. There may be fluttering before and after or in the vehicle width direction.

Conventionally, as disclosed in Japanese Utility Model Laid-Open No. 5-54028 and shown in FIG. 5, a circle centered on the opening / closing center P of the vehicle door is formed on the inner surface of the upper end of the hinged door side edge. A male stopper member A having an arc-shaped stopper surface a is provided, and a female stopper member B having an inner peripheral surface b of the same shape with which the stopper surface a contacts the door opening edge.
When the back door is closed, the male stopper member A
Is fitted to the female stopper member B, thereby restricting the stopper surface a and the inner peripheral surface b that come into contact with each other to prevent the back door from fluttering.

[0004]

However, in the stopper structure disclosed in the above publication, the stopper surface a of the male stopper member A and the inner peripheral surface b of the female stopper member B are provided.
Is formed in an arc shape centered on the opening / closing center P of the vehicle door, so that it is not only difficult to form both of these stopper members, but also at the time of assembling to the body and the back door. It is difficult to position the members A and B with respect to the body or the back door, and when the door is closed, the female stopper member B is attached to the male stopper member A.
Are fitted and the stopper surface a and the inner peripheral surface b can be fixed at a position where they can accurately contact each other. After fixing the female stopper member B, the male stopper member A is moved in the vehicle width direction and the front-rear direction. It is necessary to adjust the position by moving and fixing, and such an operation causes a significant decrease in production efficiency.

SUMMARY OF THE INVENTION An object of the present invention is to provide a back door stopper structure which can reliably prevent fluttering of the upper portion of the back door in the vehicle width direction and the vehicle front-rear direction, can be easily formed, and can be easily assembled. It is in.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, the back door 3 is provided with a side edge in the vehicle width direction through a hinge 4 at a rear opening edge of the body 1. In a vehicle in which the upper edge 31 of the back door 3 is displaced forward of the hinge 4 while being rotatably supported in the horizontal direction by the portion 20, the upper edge 31 of the back door 3 and the upper edge 31 are A pair of left and right inner side surfaces 62a, 6
Female stopper member 6 provided with a fitting portion 62 having
On the other hand, a male stopper member having a pair of left and right outer surfaces 72a, 72a overlapping with the inner surfaces 62a, 62a and having a projection 72 fitted into the fitting portion 62 when the back door 3 is closed. 7 and the inner surfaces 62a, 62a of the fitting portion 62 and the outer surfaces 72a, 72a of the protrusion 72.
a is provided parallel to the tangent of the rotation locus of the back door 3, and the roof panel constituting the rear opening edge 20 of the body 1.
The rear end of the roof panel 21 downward
The bent front side wall 23a and almost water from the front side wall 23a
The bottom wall 23b extending in the horizontal direction and further from the bottom wall 23b
Section U substantially defined by the rear wall 23c bent upward.
With the letter-shaped rain guide groove 23 extended in the vehicle width direction,
This rain guide groove 23 is installed from the center in the vehicle width direction.
Slope gently downward in the vehicle width direction outward
The center of the rain guide groove 23 in the vehicle width direction is
In addition to providing a substantially horizontal mounting seat surface 24,
A substantially horizontal mounting seat opposed to the mounting seat surface 24 at the upper end portion 31
Surface 34, and female strikes are provided on both mounting seat surfaces 24, 34.
The stopper member 6 and the male stopper member 7 were attached .

[0007] Since the present invention has the above configuration,
The operation and effect as described above can be obtained.

[0008]

According to the first aspect of the present invention, the female stopper member 6 is provided.
Of the fitting portion 62 and the projection 72 of the male stopper member 7
Since it is provided in parallel to the tangent of the rotation trajectory of the back door 3, that is, in a straight line, processing at the time of manufacture is easy, and at the time of assembly, after fixing either one,
When positioning the other, it is easy to assemble only by moving and adjusting only the vehicle width direction.
Is closed, the protrusions 72 of the male stopper member 7 are closely fitted to the fitting portions 62 of the female stopper member 6, and both inner side surfaces 62 a, 62 a and the protrusions 7 of the fitting portion 62 are closed.
2 are inclined obliquely to the front-rear direction, so that, for example, when the vehicle is running, both the fluttering of the upper part of the back door 3 in the vehicle width direction and the vehicle front-rear direction is prevented. It can be prevented reliably.

Further, since the female stopper member 6 is attached to the center of the rain guide groove 23 in the vehicle width direction, the fitting portion of the stopper members 6 and 7 is deviated to one side in the vehicle width direction with respect to the guide wall 23. And the fluttering of the upper part of the back door 3 in the vehicle width direction and the vehicle front-rear direction can be minimized, and the rainwater passing through the rain guide groove 23 is blocked by the stopper member so that the rain guide groove is prevented. 23
There is no accumulation. Moreover, both stopper members 6,
7 is mounted on the substantially horizontal mounting seat surfaces 24, 34, so that the load applied to the stopper members 6, 7 when the door is opened and closed does not directly act on the mounting seat surfaces 24, 34. , 7 can be secured in durability.

[0010]

FIG. 1 shows a rear part of a body of an automobile. An opening 2 which is opened and closed by a back door 3 is provided at a rear part of the body 1, and an opening on the right side of the opening 2 in the vehicle width direction. The back door 3 is pivotally mounted below the edge 20 via a hinge 4, and the back door 3 is provided on the body 1 so as to be freely rotatable in the horizontal direction.

At the rear end of the roof panel 21, which defines the upper edge of the opening edge 20, a front wall 23a having the rear end of the roof panel 21 bent downward and substantially horizontal from the front wall 23a. Bottom wall 23b extending in the direction
a rain guide groove 23 having a substantially U-shaped cross section defined by a rear wall 23c bent upward from b, and a reinforcement 22 disposed below the rear end of the roof panel 21. The rear end of the reinforcement 22 and the rain guide groove 23 in the roof panel 21.
The rear end portion is fixed to the rear end portion by spot welding, and the weather strip 5 is fitted to the fixed portion. The rain guide groove 23 extends from the center in the vehicle width direction at the top to the vehicle width direction. It is gently inclined downward and outward in a curved shape.

On the other hand, the back door 3 is
A closed cross-section is formed from the inner panel 33 and the upper end portion 31. The upper end portion 31 is displaced in a curved shape forward of the center of rotation of the hinge 4 (the position shown by a dashed line C in FIG. 2) to form a front rain guide groove. 23 is covered.

In the above configuration, in the embodiment shown in the drawings, the bottom wall 23b forming the rain guide groove 23 is formed.
The center panel in the vehicle width direction is bulged upward to form a substantially horizontal mounting seat surface 24 of the female stopper member 6 described later, while forming the upper panel 31 of the back door 3. At the center in the vehicle width direction of 33, a mounting seat surface 34 of the male stopper member 7, which will be described later, is formed substantially horizontally and opposed to the mounting seat surface 24 of the female stopper member 6.

The female stopper member 6 is shown in FIGS.
As shown in FIG. 5, a substantially U-shaped fitting portion 62 having a pair of left and right inner surfaces 62a, 62a facing each other to receive the projection 72 of the male stopper member 7, and lower right and left edges of the fitting portion 62 And a pair of mounting pieces 61 extending outward from the fitting piece 62. The fitting portion 62 is made of a synthetic resin material.
1 are formed from sheet metal members, and both inner side surfaces 62a of the fitting portion 62 are attached to the mounting seat surface 2
4, the mounting pieces 61 are formed so as to be parallel to the tangent T of the rotation path O of the back door 3 when the mounting pieces 61 are assembled substantially parallel to the vehicle width direction. The substantially U-shaped opening sides 62b, 62b are open in a trumpet shape to facilitate the insertion of a projection 72 of the male stopper member 7 described later.

On the other hand, as shown in FIGS. 3 and 4, the male stopper member 7 has a fitting portion 62 of the female stopper 6.
Left and right outer surfaces 7 overlapping the inner surfaces 62a, 62a of the
2a, 72a, and a U-shaped projection 72 fitted in the fitting portion 62 when the back door 3 is closed, and extends outward from upper edges on both left and right sides of the projection 72. It comprises a pair of mounting pieces 71, and the mounting piece 71 is formed in the width direction with a long hole 71a through which a bolt 91 described later is inserted. The projection 72 and the mounting piece 71 are integrally formed from a sheet metal member. Both outer side surfaces 72a of the projection 72 have the mounting pieces 71, 71 on the mounting seat surface 34 substantially in the vehicle width direction. When assembled in parallel, the back door 3 is formed so as to be parallel to the tangent line T of the rotation orbit O of the back door 3.

In order to assemble the stopper members 6 and 7, first, the female stopper member 6 is mounted on the mounting seat surface 24 with the substantially U-shaped opening sides 62b and 62b positioned rearward and the mounting piece 6
The mounting pieces 61 and 61 are fixed to the mounting seat surface 24 via bolts 81 and nuts 82 after the mounting pieces 61 and 61 are arranged substantially parallel to the vehicle width direction.

Subsequently, the male stopper member 7 is disposed on the mounting seat surface 34 such that the projection 72 is located forward and the mounting pieces 71 are substantially parallel to the vehicle width direction.
The bolt 91 fixed to the mounting seat surface 34 is inserted into the elongated hole 71.
a, the male stopper member 7 is temporarily fixed to the mounting seat surface 34 by screwing a nut 92 onto the bolt 91. Next, the back door 3 is closed once, and the outer surfaces 72a, 72a of the projections 72 are fitted to the fitting portions 6 of the female stopper 6.
Positioning is performed by fitting the second inner side surfaces 62a, 62a. In this case, the protrusions 72 of the male stopper member 7 are connected to the opening sides 62b, 62b of the female stopper member 8.
And naturally moves only in the vehicle width direction indicated by the arrow X1 or X2 in FIG.
a and polymerize to 62a. After such positioning, the male stopper member 7 opens the back door 3 again and opens the nut 9.
Fully tighten 2.

As described above, in the vehicle equipped with the stopper member of the present invention, when the back door 3 is closed, the male stopper member 7 is fitted to the fitting portion 62 of the female stopper member 6.
Of the fitting portion 62 and the outside surface 72a of the projection 72 are obliquely inclined with respect to the front-rear direction. The fluttering of the upper portion of the back door 3 in the vehicle width direction and in the vehicle front-rear direction is both reliably prevented.

In the case where the female stopper member 6 is provided at the center of the rain guide groove 23 in the vehicle width direction as in the present embodiment, the fitting portion between the two stopper members is positioned with respect to the back door in the vehicle width direction. Back door 3
The fluttering in the vehicle width direction and the vehicle front-rear direction on both sides of the upper part of the vehicle can be minimized.

Further, in the embodiment, a female stopper member 6 is provided at the vehicle width direction central portion of the rain guide groove 23 which is gradually inclined downward from the vehicle width direction central portion toward the vehicle width direction outward.
Is provided, the rain guide groove 23 is provided.
Is not blocked by the stopper member 6 and accumulates in the rain guide groove 23. Moreover, both stopper members 6 and 7 are substantially horizontal mounting seat surfaces 24 and 34.
Since the load applied to the stopper members 6 and 7 when the door is opened and closed does not directly act on the mounting seat surfaces 24 and 34, the durability of the mounting portions of the stopper members 6 and 7 is ensured. You can do it.

In the figure, reference numeral 10 denotes a window glass incorporated in the upper portion of the back door 3. 83 and 93
Indicates a washer.

In the above embodiment, the female stopper member 6 is provided at the opening edge portion 20 of the body 1 and the male stopper member 7 is provided at the upper end portion 31 of the back door 3. The male stopper member 7 may be provided at the upper edge 31 of the door 3 at the opening edge 20 of the body 1.

[0023]

As described above, according to the first aspect of the present invention, the inner surfaces 62a, 62a of the fitting portion 62 of the female stopper member 6 and the outer surfaces of the projections 72 of the male stopper member 7 are provided. Since 72a, 72a are provided in parallel to the tangent of the rotation trajectory of the back door 3, that is, in a straight line, the processing at the time of manufacture is easy, and even at the time of assembly,
After fixing either one, when positioning the other, it can be easily assembled only by moving and adjusting only the vehicle width direction, and good workability can be secured.
When the back door 3 is closed, the protrusion 72 of the male stopper member 7 is fitted to the fitting portion 62 of the female stopper member 6.
Are closely fitted, and both inner side surfaces 62a, 6
2a and the outer surfaces 72a, 72a of the projections 7 are inclined obliquely to the front-rear direction, so that, for example, when the vehicle is running, the upper part of the back door 3 in the vehicle width direction and the vehicle front-rear direction. Any flutter can be reliably prevented.

Furthermore, according to the present invention, since the female stopper member 6 is attached to the center of the rain guide groove 23 in the vehicle width direction, the fitting portion of the stopper members 6 and 7 is Direction, the fluttering of the upper part of the back door 3 in the vehicle width direction and the vehicle front-rear direction can be minimized.
Rainwater passing through is dammed by the stopper member, deer
Also, the rain guide groove 23 extends from the center in the vehicle width direction to the vehicle width direction.
It must be gently inclined downwards toward the outside.
In combination with this, there is no accumulation in the rain guide groove 23. Moreover, since the stopper members 6, 7 are mounted on the substantially horizontal mounting seat surfaces 24, 34, the load applied to the stopper members 6, 7 when the door is opened and closed acts directly on the mounting seat surfaces 24, 34. Therefore, it is possible to ensure the durability of the mounting portions of the stopper members 6 and 7.

[Brief description of the drawings]

FIG. 1 is a rear front view of a vehicle to which a back door stopper structure according to the present invention is applied.

FIG. 2 is an enlarged sectional view taken along line AA in FIG.

FIG. 3 is a perspective view of a stopper member of the present invention.

FIG. 4 is a plan view showing a fitted state of a stopper member.

FIG. 5 is a schematic explanatory view showing a conventional back door stopper structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 20 Opening edge 21 Roof panel 23 Rain guide groove 24 Mounting seat surface 3 Back door 31 Upper end portion 34 Mounting seat surface 4 Hinge 6 Female stopper member 62 Fitting part 62a Inner side surface 7 Male stopper member 72 Projection 72a Outer surface

Claims (1)

(57) [Claims] 1. A back door (3) having a lateral edge in a vehicle width direction supported by a rear opening edge (20) of a body (1) via a hinge (4) so as to be freely rotatable in a horizontal direction. In a vehicle in which the upper edge (31) of the back door (3) is displaced forward of the hinge (4), the upper edge (31) of the back door (3) faces the upper edge (31). Female stopper provided with a fitting portion (62) having a pair of left and right inner surfaces (62a) and (62a) opposed to each other with one of the rear opening edges (20) of the body (1). Member (6)
The other has a pair of left and right outer surfaces (72a) and (72a) overlapping with the inner surfaces (62a) and (62a), and is fitted to the fitting portion (62) when the back door (3) is closed. A male stopper member (7) having a mating projection (72) is provided, and the inner surface (62a) of the fitting portion (62),
(62a) and the outer surface (72a) of the projection (72);
(72a) is provided parallel to the tangent of the rotation locus of the back door (3), and the rear opening edge (20) of the body (1) is
At the rear end of the roof panel (21)
Front wall (23) with its rear end bent downward.
a) and extends substantially horizontally from the front side wall (23a).
The bottom wall (23b) and further upward from the bottom wall (23b)
A substantially U-shaped cross section defined by the bent rear wall (23c)
-Shaped rain guide groove (23) extended in the vehicle width direction
The rain guide groove (23) is located at the center in the vehicle width direction.
Gently curves downward from the outside toward the vehicle width direction
In the vehicle width direction of the rain guide groove (23)
A substantially horizontal mounting seat surface (24) is provided at the center,
Mounting seat (24) on the upper end (31) of the back door (3)
A substantially horizontal mounting seat surface (34) facing the
Female stopper members on both mounting seat surfaces (24) and (34)
A back door stopper structure, wherein (6) and a male stopper member (7) are attached .