JPH1081139A - Hinge structure for automobile back door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge structure for an automobile back door having advantages in preventing functional loss in opening or closing the back door of an automobile and reducing the number of its assembling processes and the weight and costs of the automobile. SOLUTION: A hinge structure comprising a body-side hinge 5, a door-side hinge 7 and an intermediate hinge 6 allows a back door 2 to turn on a body-side bolt B1 connecting the body-side hinge 5 and the intermediate hinge 6 as well as on a door-side bolt B2 connecting the door-side hinge 7 and the intermediate hinge 6 and thus to turn until it becomes substantially flush with a body-side wall 1. These hinges 5, 6 and 7 are arranged partially on the side edge of the back door 2, and the intermediate hinge 6 is mounted with a hinge cover 3, which is integrally formed with a first, a second and a third body-side stopper 32, 33 and 34 for regulating the relative turn of the body-side hinge 5 and the intermediate hinge 7 to each other and a first, a second and a third door-side stopper 35, 36 and 37 for regulating the relative turn of the door-side hinge 7 and the intermediate hinge 6 to each other.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge structure for a rear door of an automobile, and more particularly, to a hinge structure capable of rotating the rear door until the rear door becomes substantially parallel to a side wall of a vehicle body.

[0002]

2. Description of the Related Art As a hinge structure capable of rotating a rear door until it becomes parallel to a vehicle body side wall, for example, Japanese Unexamined Utility Model Publication No. Hei 5-23733 and Japanese Unexamined Utility Model Publication No. Hei 6-23460 disclose a hinge structure. The structure is known.

[0003] In these hinge structures, a vehicle body side hinge fixed to a rear edge portion of a vehicle body side wall, a door side hinge fixed to a side edge portion of a rear door, and the vehicle body side hinge and the door side hinge are connected. The rear door is rotated about a vehicle body side rotation shaft provided between the vehicle body side hinge and the intermediate hinge, and the rear door is moved between the door side hinge and the intermediate hinge. By rotating about the provided door-side rotation shaft, the state can be made substantially parallel to the vehicle body side wall.

However, in these hinge structures, a vehicle body-side stopper that regulates the relative rotation between the vehicle-body-side hinge and the intermediate hinge, and a door-side stopper that regulates the relative rotation between the door-side hinge and the intermediate hinge. Since the stopper is formed as a member formed separately from the hinge, there is a problem that the number of parts is increased, the number of assembling steps is increased, and the cost is easily increased.

As a solution to this problem, for example, a hinge structure described in Japanese Patent Application Laid-Open No. 7-89466 is known.

In this hinge structure, a stopper for restricting the relative rotation between the vehicle body side hinge and the intermediate hinge and a stopper for restricting the relative rotation between the door side hinge and the intermediate hinge are provided at each side edge of the intermediate hinge. It has an integrally molded structure.
That is, each of the vehicle body side hinge and the door side hinge is provided with an arcuate concave portion, and both sides of the intermediate hinge are provided with curved portions that can rotate and slide along the inner surface of the arcuate concave portion. Is a rotation axis. Then, when the rear door is opened to 135 °, the overhanging portion forming a part of the arc-shaped concave portion of the door side hinge enters the curved portion of the intermediate hinge, and the projecting piece protrudingly provided in the curved portion. The relative rotation between the door side hinge and the intermediate hinge is restricted by engaging with the (stopper), and when the rear door is further opened up to 270 °, the tension forming a part of the arc-shaped concave portion of the vehicle body side hinge is formed. The protruding portion enters the curved portion of the intermediate hinge and engages with a protruding piece (stopper) protruding from the curved portion, whereby the relative rotation between the vehicle body side hinge and the intermediate hinge is regulated. ing.

In this hinge structure, when the rear door is closed, the projecting portion of the vehicle-side hinge and the projecting portion of the door-side hinge are arranged at the rear outside of the vehicle body, and the tip portions face each other. The intermediate hinge is provided with a convex portion to fill a gap formed between the distal ends of these overhangs. That is, the arc-shaped concave portion of the vehicle-side hinge, the arc-shaped concave portion of the door-side hinge, and the curved portion of the intermediate hinge are covered and covered by the convex portion of the intermediate hinge, the projecting portion of the vehicle-side hinge, and the projecting portion of the door-side hinge. .

[0008]

However, in such a conventional hinge structure for a rear door of an automobile,
Because the joint between the vehicle-side hinge and the intermediate hinge and the joint between the door-side hinge and the intermediate hinge are exposed outside the vehicle,
There is a high possibility that the rear door will not be opened due to the intrusion of garbage from there, pinching around the rotation axis, rainwater infiltration and freezing around the rotation axis, and collision around the rotation axis being damaged. there were. In particular, since each hinge is provided at a position behind the rear door on a business trip,
It is unavoidable that the greatest damage will occur to this hinge portion.

In the conventional hinge structure,
From an aesthetic point of view, it is preferable that all of the vehicle body side hinge, the door side hinge, and the intermediate hinge have substantially the same length as the vertical dimension of the rear door. However, in that case, it is disadvantageous in reducing the weight of the vehicle body and cost There was a problem that also becomes high.

In view of the above, the present invention focuses on the above-described problems, and provides a function of opening and closing the rear door due to dust being pinched around the rotation axis, freezing of rainwater around the rotation axis, and damage around the rotation axis. It is an object of the present invention to provide a hinge structure of a rear door of an automobile, which is advantageous in that loss can be prevented, the number of assembly steps is reduced, the weight of the vehicle body is reduced, and the cost is reduced.

[0011]

In order to achieve the above object, according to the first aspect of the invention, a vehicle body side hinge fixed to a rear edge portion of a vehicle body side wall and a vehicle body side hinge fixed to a side edge portion of a rear door are provided. Door hinges, and an intermediate hinge connecting these vehicle body hinges and door side hinges, and a rear door of the vehicle body,
By rotating about the vehicle body side rotation axis provided between the vehicle body side hinge and the intermediate hinge, and by rotating about the door side rotation axis provided between the door side hinge and the intermediate hinge, A hinge structure rotatable until the rear hinge is substantially parallel to the vehicle body side wall, wherein a gap formed between the rear door and the vehicle body side wall in the intermediate hinge in a state where the rear door is closed extends over the entire length. A hinge cover that covers and hides from the outside of the vehicle body is fixed, a vehicle body-side stopper that regulates a relative rotation between the vehicle body-side hinge and the intermediate hinge about the vehicle body-side rotation axis, and the door-side rotation shaft. 3. A door-side stopper for regulating the relative rotation between the door-side hinge and the intermediate hinge about the door is integrally formed, and
The invention according to claim 1, wherein each of the vehicle body side hinge, the door side hinge, and the intermediate hinge is partially provided with respect to a side edge of the rear door. Configuration.

[0012]

According to the first aspect of the present invention, a hinge cover that covers and covers a gap formed between the rear door and the vehicle body side wall from the outside of the vehicle body over the entire length in a state where the rear door is closed is fixed to the intermediate hinge. The hinge cover can prevent dust and rainwater from adhering around the vehicle-body-side rotation shaft and the door-side rotation shaft provided between the rear door and the vehicle body side wall. Objects can be prevented from directly colliding with the shaft. That is, there is less risk of dust being caught around these rotation axes, rainwater freezing around these rotation axes, and damage around these rotation axes due to collision.

The hinge cover has a vehicle body-side stopper for restricting relative rotation between the vehicle body-side hinge and the intermediate hinge about the vehicle-body-side rotation axis, and a door side about the door-side rotation axis. Since the door-side stopper that regulates the relative rotation between the hinge and the intermediate hinge is integrally formed, the number of parts can be reduced as compared with the conventional structure in which the body-side stopper and the door-side stopper are formed separately from the hinge. Can be.

Further, since the vehicle body side hinge, the door side hinge and the intermediate hinge are covered and hidden by the hinge cover,
Even if the vehicle body side hinge, the door side hinge, and the intermediate hinge are shorter than the vertical dimension of the rear door, the appearance is not impaired.

According to the second aspect of the present invention, each of the vehicle body side hinge, the door side hinge, and the intermediate hinge is partially provided with respect to a side edge of the rear door.
The weight and cost of the hinge can be reduced.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS First, based on FIGS.
The hinge structure of the rear door of the vehicle according to the first embodiment will be described in detail. FIG. 1 is a perspective view showing a hinge structure of a rear door of the automobile according to the first embodiment, FIG. 2 is an exploded perspective view of a hinge structure of the rear door of the automobile according to the first embodiment, and FIG. 3 is a state in which the rear door is closed. FIG. 4 is a cross-sectional view showing the hinge structure with the rear door half open, FIG. 5 is a cross-sectional view showing the hinge structure with the rear door half open, and FIG. A cross-sectional view showing a hinge structure in a state where the door is fully opened,
FIG. 7 is an overall perspective view of an automobile to which the hinge structure of the rear door according to the first embodiment is applied. In FIG. 7, 1 is a vehicle body side wall, 2 is a double-opening rear door, and 3 is a hinge cover.

The vehicle body side wall 1 is formed of a panel such as an extruded aluminum material, and is supported by pillars 4 erected at four corners of the vehicle body. The vehicle body side wall 1 is fixed to the pillar 4 by inserting the side edge of the vehicle body side wall 1 into the concave portion 41 formed on the side surface of the pillar 4 and entering the gap between the vehicle body side wall 1 and the concave portion 41 from the vehicle interior side. This is performed by driving the wedge 42 and fixing the wedge 42 to the vehicle body side wall 1 with a fixing tool 43 such as a rivet.

The rear door 2 is provided so as to be capable of opening and closing an opening provided on a rear surface of the vehicle body. The rear door 2 includes a vehicle body side hinge 5, an intermediate hinge 6, a door side hinge 7, and bolts B1, It is attached to the pillar 4 via B2 and nuts N1 and N2. A door frame 21 is fitted and fixed to a side edge of the rear door 2,
A seal member 44 is provided at a position where the rear door 2 is in close contact with the door frame 21 when the rear door 2 is closed. Further, the vehicle body side hinge 5, the door side hinge 7, and the intermediate hinge 6 are partially provided with respect to the side edge portion of the rear door 2 (for example, two upper and lower portions of the rear door 2; The lower hinge 3 and the vehicle body side hinge 5 and the door side hinge 7 are formed to have slightly larger vertical dimensions than the intermediate hinge 6.

One end of the vehicle body side hinge 5 is fixedly fastened to the rear side surface of the pillar 4 with a bolt B3, and a cylindrical bearing portion through which the shaft of the bolt B1 can be inserted is provided at the opposite end. 51 are provided. At the end on the bearing 51 side, a notch 52 that can be engaged with one end of the intermediate hinge 6 is provided in the middle.

The intermediate hinge 6 has bearing portions 6 at both ends.
1 and 62 are formed, and one bearing 61 is engaged with the cutout 52 of the vehicle body side hinge 5. Also,
The bolt B1 is connected to a bearing 51 of the vehicle body side hinge 5.
And the bearing portion 61 of the intermediate hinge 6, the nut N1 is screwed to the tip of the bolt B1, and the intermediate hinge 6 uses the bolt (hereinafter referred to as a vehicle body side bolt) B1. It is rotatable about a rotation axis.

The door-side hinge 7 is connected to the side of the door frame 21 (the right side in the case of the right rear door 2, the left side door 2).
In the case of, the left end has a bolt B4 and a nut N3
, And a bearing portion 71 is formed at the opposite end. At the end on the bearing 71 side, a notch 72 engageable with the other end of the intermediate hinge 6 is provided in the middle, and the notch 72 is provided in the other bearing 62 of the intermediate hinge 6. Are engaged. Further, the bolt B2
Are inserted into these bearing portions 71 and 62, the nut N2 is screwed to the tip of the bolt B2, and the door hinge 7 and the intermediate hinge 6 are connected to the bolt (hereinafter, door bolt). It can be relatively rotated with B2 as a rotation axis.

The body-side hinge 5 and the door-side hinge 7 are cut into appropriate lengths after extrusion molding.
2, 72 can be formed by post-processing. Further, the intermediate hinge 6 can be formed only by cutting into an appropriate length after extrusion molding.

The hinge cover 3 is formed in such a shape as to cover a gap formed between the rear door 2 and the side wall 1 of the vehicle body from the outside of the vehicle body over its entire length when the rear door 2 is closed. At the intermediate position in the horizontal direction of the hinge 6, the fitting portion 3
1 and 63 are fitted together and fixed with bolts B5. The outer surface of the hinge cover 3 is formed in a smooth and rounded shape so as not to form corners and protrusions at the rear corners of the vehicle body. This allows
The possibility of colliding with the rear portion of the vehicle body during traveling is reduced, and even at the time of a rear collision, the hinges 5, 6, and 7 are hardly damaged.

The hinge cover 3 has a body-side hinge 5 and an intermediate hinge 6 that use the body-side bolt B1 as a rotation axis.
The first body-side stopper 32, the second body-side stopper 33, and the third body-side stopper 34, which regulate the relative rotation of the body to a range of 135 degrees, are integrally formed. Door-side first stopper 3 for restricting the relative rotation between the door-side hinge 7 and the intermediate hinge 6 within a range of 135 degrees
5. The door-side second stopper 36 and the door-side third stopper 37 are integrally formed.

The relative rotation of the vehicle body side hinge 5 and the intermediate hinge 6 or the door side hinge 7 and the intermediate hinge 6 is not limited to 135 °, and the relative rotation angle may be changed if necessary. Good.

The first stopper 32 on the vehicle body side abuts against the outer surface of the bearing portion 51 of the hinge 5 on the vehicle body side to restrict the rotation of the intermediate hinge 6 in the closing direction, and is provided on the back side of the hinge cover 3. The vehicle body-side second stopper 33 abuts in the middle of the vehicle body-side hinge 5 to restrict the rotation of the intermediate hinge 6 in the opening direction. The side third stopper 34 restricts the rotation of the intermediate hinge 6 in the opening direction by contacting a ridge 45 provided on the side surface of the pillar 4, and is formed in a groove shape on the surface of the hinge cover 3. ing.

The door-side first stopper 35 contacts the outer surface of the bearing 71 of the door-side hinge 7 to restrict the rotation of the intermediate hinge 6 in the closing direction, and is provided on the back side of the hinge cover 3. The door-side second stopper 36 is connected to the door-side hinge 7.
To limit the rotation of the intermediate hinge 6 in the opening direction by being provided at the side edge of the hinge cover 3, and the third door-side stopper 37 is provided on the door frame 21 of the rear door 2. And restricts rotation of the rear door 2 in the opening direction by contacting the ridges 22 provided on the hinge cover 3, and is formed in a groove shape on the surface of the hinge cover 3.

That is, when opening the rear door 2, first,
The rear door 2 rotates in the opening direction together with the door hinge 7 around a door bolt B2 provided between the door hinge 7 and the intermediate hinge 6 as a rotation axis.

Then, as shown in FIG.
When a half-open state is opened by 35 degrees, the door-side second stopper 3
6 and the door side hinge 7 abut, the door side third stopper 37 and the door frame 21 of the rear door 2 abut, and the rotation of the rear door 2 in the opening direction with the door side bolt B2 as a rotation axis. The rotation of the intermediate hinge 6 in the opening direction with the vehicle body side bolt B1 as the rotation axis is controlled. As a matter of course, the hinge cover 3 fixed to the intermediate hinge 6 is also attached to the intermediate hinge 6.
And rotate with it. In this state, the door-side hinge 7
, The intermediate hinge 6 and the hinge cover 3 return to the relationship when the rear door 2 is closed.

Then, as shown in FIG.
Is rotated by 135 degrees, the vehicle-body-side second stopper 33 and the vehicle-body-side hinge 5 come into contact with each other, and the vehicle-body-side third stopper 34
Then, the rotation of the intermediate hinge 6 in the opening direction is regulated, and the rotation again shifts to the rotation of the rear door 2 in the opening direction with the door-side bolt B2 as the rotation axis.

Further, when the rear door 2 is further rotated 135 degrees from the half-open state where it is opened 135 degrees, as shown in FIG. 6, when the rear door 2 is fully opened substantially parallel to the vehicle body side wall 1, the door-side second stopper 36 and the door The side hinge 7 abuts, and the door-side third stopper 37 abuts on the door frame 21 of the rear door 2 to restrict the rotation of the rear door 2 about the door-side bolt B2 as a rotation axis in the opening direction. . This prevents the rear door 2 from colliding with the vehicle body side wall 1.

Next, when the rear door 2 is closed, first, the rear door 2 is closed together with the door hinge 7 using the door bolt B2 provided between the door hinge 7 and the intermediate hinge 6 as a rotation axis. Rotate in the direction.

Then, as shown in FIG.
When the door is half-opened at 35 degrees, the door-side first stopper 3
5 and the door-side hinge 7 abut against each other, so that the rotation of the rear door 2 about the door-side bolt B2 as a rotation axis in the closing direction is restricted, and the intermediate hinge 6 about the body-side bolt B1 as a rotation axis in the closing direction. Move to rotation of. As a matter of course, the hinge cover 3 fixed to the intermediate hinge 6 also rotates together with the intermediate hinge 6. In this state, the door side hinge 7 and the intermediate hinge 6
The relative relationship with the hinge cover 3 returns to the relationship when the rear door 2 is closed.

Then, as shown in FIG.
Is rotated by 135 degrees, the first vehicle body side stopper 32 and the vehicle body side hinge 5 come into contact with each other, so that the rotation of the intermediate hinge 6 in the closing direction is restricted, and again the rear door 2 using the door side bolt B2 as the rotation axis is rotated. Is shifted to the closing direction.

Then, as shown in FIG. 3, when the rear door 2 is further rotated in the closing direction by 135 degrees, the door-side first stopper 35 is rotated.
And the door-side hinge 7 abuts on, and the rotation of the intermediate hinge 6 in the closing direction is restricted, and the rear door 2 is fully closed.

In the fully closed state, the vehicle body side first stopper 3
2 is in contact with the vehicle body side hinge 5, the vehicle body side first stopper 32 and the door side first stopper 35 contact the vehicle body side hinge 5 and the door side hinge 7 to move in the door closing direction. Regulating. The opposite side of each of the hinges 5, 6, 7 of the rear door 2 is pressed by a lock. Therefore, the rear door 2 does not swing when fully closed.

When fully closed, the rear door 2 and the vehicle body side wall 1
Is formed over the entire length of the hinge cover 3.
Therefore, each of the vehicle body side hinge 5, the door side hinge 7, and the intermediate hinge 6 is hidden inside the hinge cover 3 and cannot be seen from the outside.

When the rear door 2 is opened and closed as described above, the rotation of the intermediate hinge 6 about the vehicle body side bolt B1 as the rotation axis is after the rotation of the rear door 2 about the door side bolt B2 as the rotation axis. The present invention is not limited thereto, and may be before the rotation of the rear door 2 using the door-side bolt B2 as a rotation axis.

As described above, in the hinge structure according to the first embodiment, the gap formed between the rear door 2 and the side wall 1 of the vehicle body with the rear door 2 closed in the intermediate hinge 6 is extended to the entire length. Since the hinge cover 3 for covering and covering from the outside of the vehicle body is fixed, the vehicle body side hinge 5, the intermediate hinge 6, and the door side hinge 7 provided between the rear door 2 and the vehicle body side wall 1 are fixed by the hinge cover 3. In addition, dust and rainwater can be prevented from adhering to the vehicle body-side bolt B1 and the door-side bolt B2 (that is, around the vehicle-body-side rotation shaft and the door-side rotation shaft), and an object can be prevented from directly colliding with them. Accordingly, it is possible to prevent loss of the opening / closing function of the rear door 2 due to dust being caught around these rotation axes, rain water being frozen around these rotation axes, or being damaged by collision around these rotation axes.

Further, since each of the vehicle body side hinge 5, the door side hinge 7, and the intermediate hinge 6 is partially provided with respect to the side edge of the rear door 2, the hinges are not impaired. Lightening of parts and cost reduction can be achieved.

Further, on the hinge cover 3, a first vehicle body side stopper 32, a second vehicle body side stopper 33 for restricting relative rotation between the vehicle body side hinge 5 and the intermediate hinge 6 about the vehicle body side bolt B1, The door-side first stopper 34 is integrally formed and regulates the relative rotation between the door-side hinge 7 and the intermediate hinge 6 about the door-side bolt B2.
Since the stopper 35, the second door-side stopper 36, and the third door-side stopper 37 are integrally formed, the number of parts is reduced as compared with the conventional structure in which the stopper and the hinge are formed separately, thereby reducing costs and assembling. The man-hour can be reduced.

Next, the structure of the hinge structure of the rear door 2 of the vehicle according to the second embodiment will be described with reference to FIG. In addition,
In describing the second embodiment, the same components as those in the first embodiment will be denoted by the same reference numerals as those in the first embodiment, and description thereof will be omitted.

In the hinge structure according to the second embodiment, the intermediate hinges 6 are provided above and below the vehicle-side hinge 5a and the door-side hinge 7a, respectively, and are supported on the hinge cover 3 by bolts B5. Fixed. That is, the load input to the door side hinge 7a is input to the vehicle body side hinge 5a via the intermediate hinge 6 and the hinge cover 3, and is supported by the vehicle body. Further, the vehicle body side hinge 5a and the door side hinge 7a have a shape that can be formed only by cutting to an appropriate length after extrusion molding.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. Even if present, it is included in the present invention. For example,
The vehicle-body-side stopper may be a combination of a vehicle-body-side first stopper and a vehicle-body-side second stopper, or a combination of a vehicle-body-side first stopper and a vehicle-body-side third stopper.
The door-side stopper may be a combination of the door-side first stopper and the door-side second stopper, or the door-side first stopper and the door-side third stopper.
A combination of stoppers may be used.

[0045]

As described above, in the hinge structure of the rear door of the automobile according to the present invention, since the hinge cover is fixed to the intermediate hinge, dust is caught around the rotation axis or the dust is caught around the rotation axis. This has the effect of preventing loss of opening and closing function of the rear door due to freezing of rainwater or damage around the rotation axis. Further, since the vehicle body-side stopper and the door-side stopper are integrally formed on the hinge cover, it is possible to reduce the number of parts, thereby reducing costs and assembling man-hours. Furthermore, by forming the vehicle body side hinge, the door side hinge, and the intermediate hinge shorter than the vertical dimension of the rear door, it is possible to obtain the effect of reducing the weight and cost of the hinge portion without impairing the appearance.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a hinge structure of a rear door of the first embodiment.

FIG. 2 is an exploded perspective view showing a hinge structure of a rear door of the first embodiment.

FIG. 3 is a cross-sectional view showing a hinge structure in a state where a rear door is closed.

FIG. 4 is a cross-sectional view showing a hinge structure in a state where a rear door is half-opened.

FIG. 5 is a cross-sectional view showing a hinge structure in a state where a rear door is half-opened.

FIG. 6 is a cross-sectional view showing a hinge structure in a state where a rear door is fully opened.

FIG. 7 is an overall perspective view of an automobile to which the hinge structure of the rear door of the first embodiment is applied.

FIG. 8 is a perspective view showing a hinge structure of a rear door of the second embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 vehicle body side wall 2 rear door 21 door frame 22 ridge 3 hinge cover 31 fitting portion 32 vehicle body-side first stopper 33 vehicle body-side second stopper 34 vehicle body-side third stopper 35 door-side first stopper 36 door-side second stopper 37 Door-side third stopper 4 Pillar 41 Recess 42 Wedge 43 Fixture 44 Sealing material 45 Ridge 5 Car body side hinge 51 Bearing part 52 Cutout part 6 Intermediate hinge 61 Bearing part 62 Bearing part 63 Fitting part 7 Door side hinge 71 Bearing part 72 Notch B1-B5 Bolt N1, N2 Nut

Claims (2)

[Claims] 1. A vehicle body hinge fixed to a rear edge of a vehicle body side wall, a door hinge fixed to a side edge of a rear door, and the vehicle body hinge and the door hinge are connected. An intermediate hinge is provided, and the rear door of the vehicle body is rotated about a vehicle body-side rotation axis provided between the vehicle body side hinge and the intermediate hinge, and is provided between the door side hinge and the intermediate hinge. A hinge structure that can be rotated until it becomes substantially parallel to the vehicle body side wall by rotating about a door-side rotation axis, wherein the intermediate hinge includes the rear door and the vehicle body side wall with the rear door closed. A hinge cover that covers a gap formed between the vehicle body and the intermediate hinge over the entire length is fixed to the hinge cover, and the hinge cover regulates relative rotation between the vehicle body side hinge and the intermediate hinge about the vehicle body side rotation axis. Body side stopper,
A hinge structure for a rear door of an automobile, wherein a door-side stopper for restricting relative rotation between the door-side hinge and the intermediate hinge about the door-side rotation axis is integrally formed. 2. The hinge structure for a rear door of an automobile according to claim 1, wherein each of the vehicle body side hinge, the door side hinge, and the intermediate hinge is partially provided with respect to a side edge of the rear door. .