JPH0448967Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a support structure for a stay damper that holds an opening/closing body in an open position, the upper part of which is pivotally supported in a vehicle body opening.

(Prior art and its problems) In a vehicle having an opening/closing body (such as a lift gate of a hatchback type vehicle) that opens and closes an opening in the vehicle body, for example, as disclosed in Japanese Utility Model Application Publication No. 163117/1983,
The stay damper is configured to hold the opening/closing body in the open position when the door is opened by a stay damper whose upper end is pivotally supported inside the upper part of the opening/closing body and whose lower end is pivotally supported on the side edge of the opening of the vehicle body.

As shown in Figure 3, in a normal vehicle, the width of the upper part of the vehicle is narrower than that of the lower part. The direction will be inward. That is, the stay damper 4 is tilted at an angle θ from the vertical direction toward the vehicle width center.
It will be installed at an angle. When the door is opened in this state, the horizontal distance L between the mounting position Q on the vehicle body side of the stay damper 4 and the mounting position P on the opening/closing body side does not change, but the vertical distance H between the two changes to H ₁ . Therefore, the inclination θ of the stay damper also changes to θ ₁ . That is, the stay damper 4 swings by an angle θ ₂ in the vehicle width direction about the vehicle body side mounting position Q. As a result, there is a risk that the stay damper 4 will interfere with the side edge of the car body opening. To prevent this, the side edge of the car body opening must be shaped in consideration of the swing locus of the stay damper 4, and the car body can be freed. The problem was that it not only hindered the design but also complicated the structure of the side edges of the vehicle body opening.

(Purpose of the invention) In view of the above circumstances, the present invention moves the upper end of the stay damper in the direction of the vehicle width center as the stay damper expands and contracts due to the opening and closing of the opening/closing body, thereby adjusting the inclination angle of the stay damper itself in the vehicle width direction. It is an object of the present invention to provide a stay damper support structure for a vehicle opening/closing body that can prevent fluctuations.

(Structure of the invention) Therefore, in the stay damper support structure according to the invention, the upper end of the stay damper is pivotally supported on the rotating plate pivotally attached to the inner side of the upper edge of the opening/closing body, and one end is attached to the upper edge of the vehicle body opening. A pivotally supported swing arm is installed in the vehicle width direction, and the other end is pivotally supported on the rotating plate, and when the stay damper extends as the opening/closing body is opened, the swing arm moves the swing arm to a predetermined point in the vehicle body opening. A rotating plate whose distance from the vehicle is regulated rotates to move the upper end of the stay damper toward the center of the vehicle width, thereby preventing fluctuations in the tilt angle of the stay damper.

In other words, when the opening/closing body is operated to open the door, the opening/closing body rotates in the vertical direction around the connection part with the vehicle body, and as a result, the position of the pivot point of the rotating plate to the opening/closing body in the vehicle width direction changes. changes relatively. However, since a predetermined point on the rotating plate and a predetermined point on the vehicle body are connected by a swing arm, the rotating plate rotates to maintain the distance between the two points, and as a result, the rotating plate The upper end pivot point of the stay damper also rotates, and the mounting position of the stay damper on the opening/closing body side changes in the vehicle width direction relative to the mounting position on the vehicle body side. Therefore, the swing arm pivot point on the rotating plate and the stay damper pivot point are adjusted so that the amount of movement in the vehicle width center direction due to this relative fluctuation is offset by the amount of movement of the rotating plate in the vehicle widthwise direction due to opening and closing of the opening/closing body. By setting , it is possible to prevent variations in the inclination angle of the stay damper in the vehicle width direction due to opening and closing of the opening/closing body.

(Embodiment of the invention) In the hatchback type vehicle shown in the first figure, a lift gate 5 serving as an opening/closing body is attached to the rear opening 100 of the vehicle so as to be rotatable in the vertical direction, and the lift gate 5 is held open by stay dampers 4, 4. It is configured like this.

The lift gate 5 has its inner upper edge 51 connected to the upper edge 101 of the vehicle body opening 100 by a pair of hinges 6, 6, and also has a pair of hinges 6, 6 on the left and right sides of the inner upper edge 51. Rotating plate 1,1
is installed. In addition, each stay damper 4 mentioned above
The lower end 41 is attached to the side edge 102 of the vehicle body opening 100.
is pivotally connected, and the upper end 42 is pivotally connected to the rotating plate 1.

As shown in the second figure, this rotating plate 1 has bolts 81, 81 attached to the inner upper edge 51 of the lift gate 5.
The bolt 11 and nut 12 are pivotally connected to a mounting bracket 8 which is fixed with a bolt 11 and a nut 12, and one side thereof is bent vertically to form a lug 1a, and a stay damper is attached to the lug 1a. pin 12
is fixed, and another mounting pin 13 is fixed on the other side. Further, a guide pin 1b protruding from the back side of the rotating plate 1 is engaged in an arcuate slit 8a formed in the mounting bracket 8, and guides and rotates the rotating plate 1 relative to the mounting bracket 8. The movement range is now being regulated.

A spherical projection 12a is provided at the tip of the stay damper mounting pin 12 of the rotating plate 1, and this spherical projection 12a and a hemispherical recess 42a provided at the upper end 42 of the stay damper 4 constitute a universal joint. It's becoming like that.

Further, another mounting pin 13 of the rotating plate 1 is also provided with a similar spherical protrusion 13a, and together with a hemispherical recess 21a formed at the tip 21 of the swing arm 2, a universal joint is formed. ing.

The other end of the swing arm 2 is connected to the vehicle body opening 1
Bolt 9 is installed in the center of the upper edge 101 of 00 in the vehicle width direction.
1, 91, etc., and is supported so as to be relatively rotatable via a bifurcated bracket 200 having a hemispherical recess 201 formed on a mounting bracket 9 having a protruding spherical protrusion 9a.

With this configuration, the lift gate 5
Although the position of the rotating plate 1 in the vehicle width direction changes when the door is opened, the mounting pin 13 on the rotating plate 1 and the center of the upper edge 101 of the vehicle body opening are connected by the swing arm 2. Therefore, in order to maintain the distance between the two, the rotating plate 1 is attached to the pivot pin 1.
Rotate clockwise in Figure 2, centering on 1. Due to this rotation, the stay damper mounting pin 12 also moves to the second position.
The stay damper 4 rotates clockwise in the figure.
The upper end 41 moves not only in the vehicle height direction but also in the vehicle longitudinal direction and the vehicle width center direction. Therefore, the mounting positions of the pivot pins 12 and 13 on the rotating plate 1 are set in advance so that the amount of movement in the vehicle width center direction matches the vehicle width direction distance L ₁ shown in FIG. As a result, the amount of movement of the rotating plate 1 in the vehicle widthwise direction and the pivot pin 1 for mounting the stay damper.
The amount of movement of No. 2 toward the center of the vehicle width is canceled out. Therefore, it is possible to prevent the tip end 41 of the stay damper 4 from moving outward in the vehicle width direction when the lift gate 5 is opened.

In this embodiment, a pair of stay dampers 4 are installed on the left and right, but it is also possible to configure only one of the stay dampers 4, or the swing arm 2 can be divided into two and each can be installed separately. By configuring it to be pivotally attached to the metal fitting, its length can be freely set.

(Effect of the invention) According to the stay damper support structure according to the invention as described above, the upper end of the stay damper can be moved in the direction of the vehicle width center in conjunction with the door opening operation of the opening/closing body. There is no need for the side edges of the stay damper to have a shape that takes into account the locus of movement of the stay damper in the vehicle width direction, and the shape and structure thereof can be simplified. Furthermore, the degree of freedom in designing the vehicle body can be dramatically improved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the rear part of a hatchback type vehicle that employs an embodiment of the stay damper support structure according to the present invention, Fig. 2 is an exploded perspective view of the stay damper support structure, and Fig. 3 shows the prior art. It is an explanatory diagram. 1...Rotating plate, 2...Swing arm,
4... Stay damper, 5... Lift gate (opening/closing body), 100... Vehicle body opening.

Claims (1)

[Scope of utility model registration request] In a system in which an opening/closing body whose upper portion is pivoted to the vehicle body opening is held open by a stay damper, one end of the swing arm is pivoted to the upper edge of the vehicle body opening and the other end extends in the vehicle width direction, and the lower end thereof is The upper ends of the stay dampers, which are pivotally supported on the side edges of the vehicle body opening and extend in the vehicle height direction, are respectively pivotally connected to rotating plates that are pivotally attached to the inside of the upper edge of the opening and closing body, and the stay dampers are rotated as the opening and closing body opens and closes. A stay damper support structure for a vehicle opening/closing body, characterized in that the upper end is configured to move in the vehicle width direction.