JPH08324255A - Stopper structure of back door - Google Patents

Abstract

PURPOSE: To provide a stopper structure of a back door whose fabrication is easy and which is excellent in an installing characteristic while reliably preventing rattling in the car lateral direction and the vehicle longitudinal direction of the back door. CONSTITUTION: A female type stopper member 6 having a fitting part 62 having a pair of mutually opposing left and right inside surfaces is arranged in a rear opening edge part of a body l opposed to an upper end part 31 of a back door 3, and a male type stopper member 7 which has a pair of left and right outside surfaces superposed on an inside surface and has a projecting part 72 to be fitted to the fitting part 62 when the back door 3 is closed is arranged in the upper end part 31 of the back door 3, respectively, and an inside surface of the fitting part 62 and an outside surface of the projecting part 72 are arranged in parallel to a tangent of a rotational locus of the back door 3.

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 for a vehicle, and more particularly to a back door stopper structure which is supported by a hinge on a rear opening edge of a body so as to be horizontally rotatable. .

[0002]

2. Description of the Related Art A so-called side-opening type back door, which is generally provided at a rear opening of a vehicle body so as to open and close the opening, has one side edge in the vehicle width direction of the back door via a hinge. And pivotally attached to the rear opening edge of the body,
A lock mechanism is provided at the other end of the back door in the vehicle width direction to lock the door at the opening when the back door is closed. The pivot position of the lock mechanism and the lock position of the lock mechanism are pivotally supported or locked to the body, so that there is no problem, but the upper end of the back door separated from the hinge and the lock mechanism is It may flutter in the front / rear direction or the vehicle width direction.

Therefore, conventionally, as described in Japanese Utility Model Laid-Open No. 5-54028, and as 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 portion 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 abuts is provided at the edge of the door opening.
And the male stopper member A when the back door is closed.
Is fitted into the female stopper member B, the back door is prevented from fluttering due to the restriction of the stopper surface a and the inner peripheral surface b which are in contact with each other.

[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.
Has an arcuate shape centered on the center P of opening and closing of the vehicle door, it is difficult to form these stopper members, and both stopper members are assembled even in 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.
Is fitted and fixed at a position where the stopper surface a and the inner peripheral surface b can accurately contact each other, after fixing the female stopper member B, the male stopper member A is mounted in the vehicle width direction and the front-rear direction. It is necessary to move and adjust the position to fix it, and such work causes a significant decrease in production efficiency.

It is an object of the present invention to provide a backdoor stopper structure which reliably prevents fluttering of the upper portion of the backdoor in the vehicle width direction and the vehicle front-rear direction, and is easy to form and easy to assemble. It is in.

[0006]

In order to achieve the above object, the invention according to claim 1 is characterized in that the rear door opening edge of the body 1 of the back door 3 is provided with its side edge portion in the vehicle width direction via a hinge 4. In a vehicle in which the upper edge portion 31 of the back door 3 is displaced forward in front of the hinge 4 while being supported rotatably in the horizontal direction by the portion 20, the upper end portion 31 and the upper end portion 31 of the back door 3 are A pair of left and right inner side surfaces 62 facing each other is provided on either one of the rear opening edges 20 of the body 1 facing each other.
Closing the back door 3 has a female stopper member 6 provided with a fitting portion 62 having a and 62a and a pair of left and right outer surfaces 72a and 72a overlapping the inner surfaces 62a and 62a on the other side. Sometimes a protrusion 72 that fits into the fitting portion 62.
With the respective male stopper members 7 having
Inner side surfaces 62a, 62a of the fitting portion 62 and the protrusion 72
The outer side surfaces 72a, 72a of the above are provided in parallel with the tangent line of the rotation locus of the back door 3.

Further, according to the second aspect of the invention, a rain guide groove 23 extending in the vehicle width direction is provided at the rear end portion of the roof panel 21 which constitutes the rear opening edge portion 20 of the body 1, and the rain guide groove 23 is provided. A substantially horizontal mounting seat surface 24 is provided at the center of the vehicle 23 in the vehicle width direction, and the upper end portion 31 of the back door 3 is provided.
And a substantially horizontal mounting seat surface 3 facing the mounting seat surface 24.
4 is provided, and the male stopper member 7 and the female stopper member 6 are attached to the both mounting seat surfaces 24 and 34.

[0008]

In the invention of claim 1, the female stopper member 6 is provided.
The fitting portion 62 and the protrusion 72 of the male stopper member 7 of
Since it is provided in parallel with the tangent line of the rotation locus of the back door 3, that is, in a straight line, it is easy to process at the time of manufacturing, and at the time of assembly, either one is fixed,
When positioning the other side, it can be easily assembled only by moving and adjusting the vehicle width direction, and the back door 3
At the time of closing, the projection 72 of the male stopper member 7 is tightly fitted to the fitting portion 62 of the female stopper member 6, and furthermore, both inner side surfaces 62a and 62a of the fitting portion 62 and the projection portion 7 are formed.
Since the outer side surfaces 72a, 72a of 2 are inclined obliquely with respect to the front-rear direction, any flapping in the vehicle width direction and the vehicle front-rear direction of the upper portion of the back door 3 is caused when the vehicle is traveling, for example. It can be surely prevented.

According to the second aspect of the present invention, since the female stopper member 6 is attached to the center portion of the rain guide groove 23 in the vehicle width direction, the fitting portions of both stopper members 6 and 7 are the vehicle width with respect to the back door 3. There is no deviation toward one side in the direction, and it is possible to minimize fluttering in the vehicle width direction and the vehicle front-rear direction above the back door 3, and the rain guide groove 23
There is no possibility that rainwater that passes through is blocked by the stopper member and collects in the rain guide groove 23. Moreover, both stopper members 6 and 7 are attached to the substantially horizontal mounting seat surfaces 24 and 34.
Since the load applied to both 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 both stopper members 6 and 7 should be ensured. Can be done.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a rear portion of a body of an automobile. An opening portion 2 which is opened and closed by a back door 3 is provided in the rear portion of the body 1, and the opening portion 2 on the right side in the vehicle width direction is provided. The back door 3 is pivotally mounted below the edge portion 20 via a hinge 4, and the back door 3 is rotatably provided in the body 1 in the horizontal direction.

At the rear end portion of the roof panel 21 which defines the upper edge side of the opening edge portion 20, the rear end portion of the roof panel 21 is bent downward and is substantially horizontal from the front side wall 23a. And a 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 is formed, and a reinforcement 22 is provided below the rear end of the roof panel 21. , The rear end portion of the reinforcement 22 and the rain guide groove 23 in the roof panel 21.
The weather strip 5 is fixed to the rear end portion by spot welding, and the weather strip 5 is fitted to the fixed portion. Further, the rain guide groove 23 extends from the central portion in the vehicle width direction at the top to the vehicle width direction. It is gently curved downward toward the outside.

On the other hand, the back door 3 has an outer panel 32.
And an inner panel 33 to form a closed cross section, and an upper end portion 31 thereof is curvedly displaced forward of a rotation center of the hinge 4 (a position indicated by a chain line C in FIG. 2) to form a front rain guide groove. The upper part of 23 is covered.

With the above construction, in the embodiment shown in the figure, the bottom wall 23b forming the rain guide groove 23 is formed.
The inner panel forming the upper end portion 31 of the back door 3 while bulging the central portion in the vehicle width direction upward to form a substantially horizontal mounting seat surface 24 of the female stopper member 6 described later. A substantially horizontal mounting seat surface 34 of a male stopper member 7 to be described later, which is opposed to the mounting seat surface 24 of the female stopper member 6, is also formed in the center portion of the vehicle width direction 33.

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 side surfaces 62a, 62a facing each other for receiving the protruding portion 72 of the male stopper member 7, and left and right lower edges of the fitting portion 62. And a pair of mounting pieces 61 extending outwardly from the fitting portion 62, the fitting portion 62 is made of a synthetic resin material, and the mounting piece 6 is formed.
1 is formed of a sheet metal member, and both inner side surfaces 62a of the fitting portion 62 have the mounting seat surface 2
4, when the mounting pieces 61, 61 are assembled in parallel with the vehicle width direction, the mounting pieces 61, 61 are formed so as to be parallel to the tangent line T of the rotation track O of the back door 3 and the fitting portion 62 The substantially U-shaped opening sides 62b, 62b are opened in a trumpet shape so that the projection 72 of the male stopper member 7 described later can be easily inserted.

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.
A pair of left and right outer surfaces 7 overlapping the inner surfaces 62a, 62a of the
2a, 72a, which has a U-shaped projection 72 in a plan view and which fits into the fitting portion 62 when the back door 3 is closed, and extends outward from upper left and right upper edges of the projection 72. It is composed of a pair of mounting pieces 71, and the mounting piece 71 is formed with a long hole 71a in the width direction through which a bolt 91 described later is inserted. Since the projection 72 and the mounting piece 71 are integrally formed from a sheet metal member, the 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, it is formed so as to be parallel to the tangent line T of the rotation track O of the back door 3.

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

Subsequently, the male stopper member 7 is first arranged on the mounting seat surface 34 so that the projection 72 is located forward and the mounting pieces 71, 71 are substantially parallel to the vehicle width direction.
Attach the bolt 91 fixed to the mounting seat surface 34 to the elongated hole 71.
After being inserted into a, the male stopper member 7 is temporarily fixed to the mounting seat surface 34 by screwing the nut 92 onto the bolt 91. Next, the back door 3 is closed once, and the outer surfaces 72a, 72a of the protrusion 72 are fitted to the fitting portion 6 of the female stopper 6.
Positioning is performed by fitting the two inner surfaces 62a, 62a. In this case, the projecting portion 72 of the male stopper member 7 is provided on the opening sides 62b, 62b of the female stopper member 8.
4 and is naturally moved only in the vehicle width direction indicated by the arrow X1 or X2 in FIG.
a, 62a is polymerized. After such positioning, the male stopper member 7 opens the back door 3 again and opens the nut 9
Fully tighten 2.

In the vehicle equipped with the stopper member of the present invention as described above, 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.
The projections 72 are closely fitted, and the inner side surfaces 62a of the fitting section 62 and the outer side surfaces 72a of the projections 72 are inclined obliquely with respect to the front-rear direction. The fluttering of the upper portion of the back door 3 in the vehicle width direction and the vehicle front-rear direction is reliably prevented.

Further, particularly when the female stopper member 6 is provided at the center portion of the rain guide groove 23 in the vehicle width direction as in this embodiment, the fitting portions of both stopper members are in the vehicle width direction with respect to the back door. Since it is not biased to one side, the back door 3
It is possible to minimize fluttering in the vehicle width direction and the vehicle front-rear direction on both upper sides of the vehicle.

Further, in the embodiment, the female stopper member 6 is provided at the center portion in the vehicle width direction of the rain guide groove 23 that gently inclines downward from the center portion in the vehicle width direction toward the outside in the vehicle width direction.
Since the mounting seat surface 24 of is provided, the rain guide groove 23
The rainwater passing through is not blocked by the stopper member 6 and does not collect in the rain guide groove 23. Moreover, both stopper members 6 and 7 are attached to the substantially horizontal mounting seat surfaces 24 and 34.
Since the load applied to both stopper members 6 and 7 when the door is opened and closed does not act directly on the mounting seat surfaces 24 and 34, the durability of the mounting portions of both stopper members 6 and 7 is secured. You can do it.

Reference numeral 10 in the drawing denotes a window glass incorporated in the upper portion of the back door 3. Also, 83 and 93
Indicate washers, respectively.

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, respectively. The male stopper member 7 may be provided on the upper end portion 31 of the door 3 and on the opening edge portion 20 of the body 1, respectively.

[0023]

As described above, according to the first aspect of the invention, the inner side surfaces 62a, 62a of the fitting portion 62 of the female stopper member 6 and the outer side surface of the protruding portion 72 of the male stopper member 7 are formed. Since 72a and 72a are provided in parallel to the tangent line of the rotation locus of the back door 3, that is, in a straight line shape, they are easy to process during manufacturing, and even when assembled.
After fixing one of them, when positioning the other, it is possible to easily assemble by merely adjusting the movement in the vehicle width direction, and good workability can be secured,
When the back door 3 is closed, the projection portion 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 of the fitting portion 62 are
2a and the outer side surfaces 72a, 72a of the protrusions 7 are inclined with respect to the front-rear direction, so that, for example, when the vehicle is traveling, the upper part of the back door 3 in the vehicle width direction and the vehicle front-rear direction. It is possible to reliably prevent any flapping.

According to the second aspect of the present invention, since the female stopper member 6 is attached to the center portion of the rain guide groove 23 in the vehicle width direction, the fitting portions of both stopper members 6 and 7 with respect to the back door 3. It is possible to minimize fluttering in the vehicle width direction and the vehicle front-rear direction of the upper portion of the back door 3 without being biased to one side in the vehicle width direction, and to prevent rainwater passing through the rain guide groove 23 from becoming a stopper member. It is also prevented from being dammed up by the rain and accumulated in the rain guide groove 23. Moreover, both stopper members 6 and 7 are attached to the substantially horizontal mounting seat surface 2
Since they are attached to the mounting seat surfaces 24 and 34, the load applied to both stopper members 6 and 7 when the door is opened and closed.
Since it does not directly act on, it is possible to secure the durability at the attachment site of both stopper members 6 and 7.

[Brief description of 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 stopper structure for a back door.

[Explanation of symbols]

 1 Body 20 Open Edge 21 Roof Panel 23 Rain Guide Groove 24 Mounting Seat Surface 3 Back Door 31 Upper End 34 Mounting Seat Surface 4 Hinge 6 Female Stopper Member 62 Fitting Part 62a Inner Side 7 Male Stopper Member 72 Projection 72a Outer surface

Claims (2)

[Claims] 1. A back door (3) is horizontally rotatably supported by a rear opening edge portion (20) of a body (1) through a hinge (4) at its vehicle width direction side edge portion. A back door (3) in a vehicle in which an upper edge portion (31) of the back door (3) is displaced forward of the hinge (4).
A pair of left and right inner side surfaces (62a), (62a) facing each other is provided on either one of the upper end portion (31) of the body and the rear opening edge portion (20) of the body (1) facing the upper end portion (31). Female stopper member (6) having a fitting portion (62) having
On the other hand, the other side surface has a pair of left and right outer surfaces (72a) and (72a) overlapping the inner surface (62a) and (62a), and the fitting portion (6) is formed when the back door (3) is closed.
The male stopper members (7) each having a protrusion (72) that fits into the fitting portion (2) are provided, and the fitting portion (62) is provided.
Inner side surfaces (62a) and (62a) and outer side surfaces (72a) and (72a) of the protrusion (72) are provided in parallel to the tangent line of the rotation locus of the back door (3). A back door stopper structure. 2. A rain guide groove (23) extending in the vehicle width direction is provided at a rear end portion of a roof panel (21) which constitutes a rear opening edge portion (20) of the body (1), and the rain guide groove is provided. A substantially horizontal mounting seat surface (24) is provided at the center of the vehicle (23) in the vehicle width direction, and a substantially horizontal mounting seat surface (24) facing the mounting seat surface (24) is provided at the upper end portion (31) of the back door (3). A mounting seat surface (34) is provided, and both of these mounting seat surfaces (2
4. The back door stopper structure according to claim 1, wherein the male stopper member (7) and the female stopper member (6) are attached to 4) and (34).