JPH07317409A - Checker mounting structure of sidewise hinged rear door of car - Google Patents

Abstract

PURPOSE:To prevent the generation of defective parts which may increase the number of components used for a mounting part of a checker and protect the checker mounted to a sidewise hinged rear-door from being rusted. CONSTITUTION:A seal faced part 5, which comes in contact with a flange 30 formed on the lower edge of a rear door 3 when the rear door 3 is closed, is installed to an outer faced part of a lower rear part 4 located at the lower part of the peripheral edge of a rear opening of a chassis A. A horizontal part 31A, which forms a clearance H to lay out a checker 8 to the top side of the lower rear part 4 when the rear door is closed, is installed to an internal side of door in a higher elevation than the flange 30 at the lower edge of the rear door 3. The top 4B of the lower rear part 4B which forms the clearance H is connected to the horizontal part 31A of the rear door 3 by means of the checker 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a checker mounting structure for a side opening back door of an automobile, and more specifically, to a side opening back door of an automobile, a checker for stopping the back door in a fully opened or half opened state. Regarding the attached structure.

[0002]

2. Description of the Related Art Conventionally, an example of this type of checker mounting structure is disclosed in Japanese Utility Model Laid-Open No. 2-129913. As shown in FIGS. 5 and 8 of the publication, this conventional one has a structure in which a checker is attached to a side edge portion of a rear opening of a vehicle body to which a door hinge of a back door is attached. And this checker is provided so that when the back door is closed, it is arranged outside the vehicle body with respect to the sealing portion of the back door formed by the weather strip.

Conventionally, as a type different from the above, there is a type in which a checker is attached to the lower end side or the upper end side of the rear opening of the vehicle body. In any of these types, when the back door is closed, After all, each of these checkers was arranged outside the sealing portion formed by the weather strip.

[0004]

All of the above-mentioned conventional structures have a structure in which the checker is arranged outside the seal portion of the back door, so that the situation in which the checker is directly exposed to wind and rain is avoided. Occurs. Therefore,
This is not preferable in terms of rust prevention, and rusting of the checker causes a problem that the operation of opening and closing the back door cannot be performed smoothly, or the checker has a poor appearance.

Further, in the conventional type in which the checker is attached to the lower end side of the rear opening of the vehicle body, it is difficult to connect one end of the checker to the lower part of the back door as it is, so that it is formed separately from the back door. The patch was attached to the bottom of the back door, and one end of the checker was connected to this patch. Therefore, conventionally, there has been a problem that the number of parts of the checker mounting portion is increased and the mounting work is complicated.

The present invention has been devised under such circumstances, and is a checker mounted on a side-opening back door without causing a problem that the number of parts of the checker mounting portion increases. The task is to ensure proper rust prevention.

[0007]

In order to solve the above problems, the present invention takes the following technical means.

That is, the present invention is a checker mounting structure for a laterally opening back door pivotally attached to one of the left and right side edges of the rear opening of the vehicle body, and is located below the peripheral edge of the rear opening of the vehicle body. The outer surface portion of the lower back is provided with a sealing surface portion that comes into contact with a flange portion formed on the lower edge portion of the back door when the back door is closed, and the lower edge portion of the back door. On the inner side of the door above the flange of, there is provided a horizontal part that forms a void for placing the checker on the upper side of the lower back when this back door is closed, and this void is It is characterized in that the upper portion of the lower back to be formed and the horizontal portion of the back door are connected by a checker.

[0009]

In the checker mounting structure for the laterally opening back door of the vehicle according to the present invention, when the back door is closed, the flange portion of the lower edge portion of the back door abuts the sealing surface portion of the outer surface portion of the lower back. They come into contact with each other, and a seal between them is achieved. A checker is arranged in a gap formed between both the upper surface of the lower back and the horizontal portion of the back door. That is, the checker is arranged at a position inside the sealing portion between the back door and the lower back of the vehicle body.

Therefore, with the back door closed, it is possible to eliminate or suppress the risk that rainwater or the like will infiltrate from the outside to the checker mounting position, and prevent the checker from rusting. As a result, it is possible to obtain an effect that the operation of the checker during the opening / closing operation of the back door can be maintained in a smooth state for a long period of time, and the appearance of the checker can be kept good.

Further, according to the present invention, since the upper surface of the lower back and the horizontal portion of the back door are connected by the checker, it does not cause any trouble in the operation of the checker. Unlike the conventional case, it is not necessary to attach a separate member (patch) to the back door, and there is an advantage that the checker attachment work can be simplified.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The preferred embodiments of the present invention will be described below.
A specific description will be given with reference to the drawings.

FIG. 1 is a perspective view showing an example of a checker mounting structure for a side opening back door of an automobile according to the present invention. In the structure shown in the figure, the back door 3 is provided with the door hinges 6, at either one of the side edge portions 2 (or 2a) of the left and right side edge portions 2, 2a of the rear opening portion 1 of the automobile body A.
It is pivotally mounted via 6, whereby the back door 3 can be opened laterally. Further, a checker 8 is attached to the lower back 4 located below the peripheral edge of the rear opening 1 of the vehicle body A,
One end of the checker 8 is connected to the horizontal portion 31A located on the upper surface side of the concave portion 9 formed on the inner surface side of the back door 3.

As shown in FIG. 2, for example, the lower back 4 is formed by joining a lower back inner 4a and a lower back outer 4b which are bent into a desired shape. The joint portion 40 between the lower back inner 4a and the lower back outer 4b is arranged on the outer surface portion 4A of the lower back 4 which faces the rear side of the vehicle body (rightward in FIG. 2).
The weather strip 5 is attached to the joint 40. In this embodiment, the weather strip 5 forms a sealing surface portion.

The weather strips 5 are, of course, provided in series along the longitudinal direction of the lower back 4, and the left and right side edges 2 and 2a of the rear opening 1 in FIG. 7 is also provided in series.

The back door 3 is, as shown in FIG.
It is formed by joining the back door inner 3a and the back door outer 3b. The back door 3 is formed so that each part of the entire door has a predetermined thickness t, but a flange portion 30 formed to be much thinner than each part is formed at a lower edge part of the back door 3. Has been done. The flange portion 30 is provided so as to contact the weather strip 5 of the lower back 4 when the back door 3 is closed.

Further, the flange portion 30 of the back door 3
A horizontal portion 31A in which the back door inner member 3a is bent horizontally or substantially horizontally is provided on the upper side of. The horizontal portion 31A is set to a height such that when the back door 3 is closed, a space H for attaching and arranging the checker 8 can be formed between the horizontal portion 31A and the upper surface portion 4B of the lower back 4.

However, the horizontal portion 31A capable of forming the above-mentioned void H is only partially formed in the concave portion 9 shown in FIG. 1 in this embodiment. That is, the horizontal portion 31 of the other portion of the back door 3 where the concave portion 9 is not formed is separated from the lower back 4 by a slight dimension S when the back door 3 is closed, as shown in FIG. 3, for example. It is configured to be arranged above it.

The checker 8 is, as shown in FIG.
The horizontal portion 31A of the back door 3 and the upper surface portion 4 of the lower back 4
It is attached to the upper surface portion 4B of the lower back 4 so as to be positioned in a gap H formed between the lower back 4 and the lower back 4. One end of the back door 3 is connected to the horizontal portion 31A of the back door 3.

Specifically, as the checker 8, for example, as shown in FIG. 4, a spring plate 82 is connected to a checker arm 81 having a fulcrum pin 80 on one end side, and both the spring plate 82 and the checker arm 81 are connected. Guide groove 85 between
A structure having an engagement pin 83 therein can be adopted. In this checker 8, one end portion 8 of the spring plate 82 is
2a is elastically urged toward the checker arm 81 by a spring 84, and convex portions 86a and 86b for engaging the engagement pin 83 are provided on the inner surface side of the spring plate 82.

The checker 8 is, as shown in FIG.
The engagement pin 83 is attached and fixed to the upper surface portion 4B of the lower back 4, and the fulcrum pin 80 is attached to the horizontal portion 31A of the back door 3.

In the mounting structure of the checker 8 described above,
In FIG. 4, when the back door 3 is opened, the fulcrum pin 80 of the checker 8 connected to the back door 3 rotates in the direction of arrow a about the rotation center axis 60 of the door hinge 6, and the checker arm 81 and the spring plate 82. And engagement pin 8
Move with 3 in between. Therefore, when the engagement pin 83 reaches the outermost end of the checker 8, it is no longer possible to rotate the back door 3 any more. Further, at this time, the engagement pin 83 engages with the convex portion 86b. Therefore, the back door 3 can be positioned in the fully opened state.

Further, when the back door 3 is half opened, the engaging pin 83 can be disposed between the two convex portions 86a and 86b and engaged with both of these convex portions 86a and 86b. Therefore, the back door 3 can be properly positioned and held in the half-opened state.

When the back door 3 is closed in the state where the checker 8 operates as described above, FIG.
As described in the above, the checker 8 operates on the back door 3
And the lower back 4 are housed in a space H formed between them. Further, at this time, a seal portion formed by the weather strip 5 and the flange portion 30 of the back door 3 is formed at a position closer to the outer side than the checker 8.

Therefore, there is no possibility that water droplets or the like will enter from the outside to the position where the checker 8 is arranged, and the checker 8 can be appropriately prevented from becoming dirty or rusted.

In the above embodiment, since the concave portion 9 is formed on the inner surface of the back door 3 and the checker 8 is connected to the horizontal portion 31A of the concave portion 9, the checker 8 is attached to the mounting portion. Can be made to look good, and the rigidity of the mounting portion can be increased. However, the present invention is by no means limited to this,
For example, the height of the other horizontal portion 31 of the back door 3 shown in FIG. 1 may be aligned with the height of the horizontal portion 31A to which the checker 8 is attached.

Further, in the present invention, the flange portion 30 is formed on the lower edge portion of the back door 3, and then the flange portion 30 is brought into contact with the sealing surface portion of the lower back 4 (the weather strip 5 in the above-mentioned embodiment). Although necessary, the specific sealing structure of the side edge of the back door 3 does not matter. Regarding the side edge portion of the back door 3, for example, a non-flange portion of the inner surface of the back door 3 may be brought into contact with the vehicle body side sealing surface portion without forming a flange portion similar to the flange portion 30. .

In addition, in the present invention, the specific construction of each part such as the checker 8, the back door 3, the lower back 4 and the like is not limited to that in the above-mentioned embodiment, and the design can be changed in various ways.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a checker attachment structure for a side opening back door of an automobile according to the present invention.

FIG. 2 is a sectional view of an essential part showing a state in which a back door is closed.

FIG. 3 is a cross-sectional view of essential parts showing a closed state of a back door at a place where a checker is not attached.

FIG. 4 is a plan view showing an example of a checker.

[Explanation of symbols]

 1 Rear Opening 3 Back Door 4 Lower Back 4A Outside Surface (Lower Back) 4B Upper Surface (Lower Back) 5 Weather Strip (Seal Surface) 6 Door Hinge 8 Checker 30 Flange (Back Door) 31A Horizontal (Back Door) H Void A Car body

Claims (1)

[Claims] 1. A checker mounting structure for a side-opening back door pivotally attached to one of right and left side edges of a rear opening of a vehicle body, the checker mounting structure being located outside a lower back located below a peripheral edge of the rear opening of the vehicle body. On the surface, when the back door is closed,
A seal surface portion that abuts a flange portion formed on the lower edge portion of the back door is provided, and the back door is closed on the door inner surface side above the flange portion of the lower edge portion of the back door. A horizontal portion is provided on the upper surface side of the lower back to form a void for arranging the checker, and the upper surface of the lower back and the horizontal portion of the back door that form the void are connected by a checker. A checker mounting structure for a side-opening back door of an automobile, which is characterized in that