JP2580469Y2 - Vehicle back door bumper mounting structure - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a back door which is rotatably supported on a vertical axis by a hinge disposed on a rear side of a body and opens and closes. And a mounting structure of a back door bumper for suppressing vertical vibration.

[Conventional technology]

The back door bumper has a bumper bar attached to the end surface on the free end side of the back door, and a bumper female for receiving this bumper bar is attached to the body side,
With the back door closed, the bumper bar and the bumper female engage with each other. That is, when the back door is closed, the bumper bar is restrained by the bumper female even if the back door vibrates in the vertical direction due to running of the vehicle or the like, and the vibration of the back door is suppressed.

Conventionally, the bumper female is supported using a rear panel of the body. Generally, the rear end of the vehicle
The rear outer surface of the rear combination lamp and the rear end surface of the body are substantially the same.
For this reason, the end of the body panel is arranged on the outer side surface of the rear combination lamp, facing the edge of the central portion of the vehicle, and the body panel is bent toward the front of the vehicle at an appropriate position, and the body panel is bent. A portion of the panel extending toward the front of the vehicle forms a wall facing the free end side end surface of the back door. The bumper female is attached to the wall.

[Problems to be solved by the invention]

However, recently, rear combination lamps have tended to be large in size for reasons of vehicle exterior design, and the following problems have arisen with regard to mounting the back door bumper.

FIG. 4 is a schematic horizontal sectional view showing the vicinity of the free end of the back door 2 when the rear combination lamp 1 is enlarged. In the rear combination lamp 1, a lamp cover 1a and a reflecting mirror 1b are attached to a lamp housing 3 formed on a part of a body panel (not shown), and a bulb 4 is arranged in front of the reflecting mirror 1b. As shown in the figure, when the rear combination lamp 1 is enlarged, the free end of the back door 2 faces the rear combination lamp 1, and the rear combination lamp 1 and the back door 2 There is no wall formed by a part of the body panel as in the prior art.

For this reason, there is no portion for attaching the bumper female conventionally attached to this wall portion, and therefore, the back door bumper cannot be attached.

However, when the back door bumper cannot be attached, the back door 2 moves up and down due to vibrations generated during running of the vehicle and the like, which may interfere with the body panel and generate noise.

In view of this, the present invention has made it possible to attach a back door bumper for suppressing the vertical movement of the back door even in a back door type vehicle having a large rear combination lamp. It is intended to provide a door bumper mounting structure.

[Means for solving the problem]

For the above purpose, the back door bumper mounting structure according to the present invention is configured such that a base end portion is supported by a hinge provided on the rear side of the body and centered on a vertical direction, and rotates around the hinge. A back door whose free end faces the rear combination lamp without a body panel interposed when closed, and a cross section cut at a plane perpendicular to the vehicle width direction attached to the free end of the back door. The rear side of the vehicle has a substantially trapezoidal shape with a longer side than the front side and is thick in the vehicle width direction, and one end is attached to the lamp housing of the rear combination lamp, and the other end faces the bumper bar. And a female bracket having a substantially U-shape in a vertical cross-section and attached to the female bracket, A bumper female that is detachable from the upper and lower surfaces of the rubber, has a substantially U-shaped cross section cut along a plane orthogonal to the vehicle length direction, and has a U-shaped height that is larger on the rear side of the vehicle. In order to make the female bracket large in rigidity, the female bracket includes a main bracket having a substantially L-shaped horizontal section and a sub-bracket having a substantially horizontal equilateral mountain shape. The L-shaped long arm and one of the equilateral mountain-shaped arms of the sub-bracket are brought into close contact with each other on the back surface, and the L-shaped short arm of the main bracket and the other of the equilateral mountain-shaped sub-brackets. The main bracket is assembled in a state where the arm and the arm are located substantially in the same plane, and the female bracket is detachable from the lamp housing. There.

[Action]

When the back door is closed, the bumper bar engages with the bumper female. The bumper female is provided on a female bracket projecting from a lamp housing which is a part of the body panel, while the bumper rubber is attached to the back door. Is suppressed by the bumper bar being restrained by the bumper female.

〔Example〕

Hereinafter, a back door bumper mounting structure according to the present invention will be specifically described based on one illustrated embodiment.

As shown in FIG. 3, the rear end of the back door 10 is supported by a hinge (not shown) attached to the side of the rear end of the vehicle. It is provided freely. Rear combination lamps 20 are provided on the left and right sides of the rear end of the vehicle, and the side portion of the back door 10 is formed in an appropriate shape so as to receive the rear combination lamp 20.

FIG. 1 is a schematic sectional view of the free end of the back door 10 cut along a horizontal plane, and is a sectional view taken along line II in FIG. The back door 10 is configured by a door outer panel 11 and a door inner panel 12 being connected to each other at a side portion. The door inner panel 12 is appropriately bent in a stepped shape, and the door inner panel 12 is The thickness is configured. The free end of the back door 10 faces the rear combination lamp 20, and the door outer panel 11
And the rear end surface of the lamp cover 21 of the rear combination lamp 20 form substantially the same surface.

The lamp cover 21 is attached to a lamp housing 22 formed by a part of the body, and an inner end of the lamp housing 22 is bent toward the rear of the vehicle and joined to a rear panel 30 forming a door opening. Thus, a flange portion 31 is formed. An opening weatherstrip inner 32 is fixed to the flange portion 31, and an opening weatherstrip outer 33 which is in pressure contact with the weatherstrip inner 32 when the door is closed is fixed to the door inner panel 12.

A female bracket 40 is attached to a portion of the lamp housing 22, which is located between the lamp cover 21 and the back door 10. As shown in FIG. 2, the female bracket 40 includes a main bracket 41 and a sub bracket 42.
The brackets 41 and 42 are formed by bending a member having a substantially U-shaped cross section into a substantially L-shape, and the back sides of the L-shaped long arms 41a and 42a are welded and integrated. . The long arm portion 41a of the main bracket 41 is longer than the long arm portion 42a of the sub bracket 42. The L-shaped short arms 41b and 42b extend in opposite directions, and
The female brackets 41b and 42b are fixed to the lamp housing 22 by fastening bolts 43, and the female bracket 40 is attached to the lamp housing 22. The lamp housing
A female bracket lean hosement 44 is welded to the rear surface of the lamp housing 22, which is a part of the female bracket 22, to which the female bracket 40 is attached. Further, as shown in FIG. 1, the short arm 42b of the sub-bracket 42 projects more toward the inside of the rear combination lamp 20 than the lamp cover 21.
And a notch 21a is formed by notching a portion where the short arm portion 42b is located.

The bumper female 51 is fixed to the abdomen side of the long arm portion 41a of the main bracket 41, which protrudes from the long arm portion 42a of the sub bracket 42, by a mounting bolt 51a and a mounting nut 51b. I have. As shown in FIG. 2, the bumper female 51 has a plate material whose cross section is bent in a substantially U-shape, and the length of the U-shaped intermediate portion 51c is increased toward the rear side of the vehicle. Is gradually expanded toward the rear side of the vehicle so as to be longer.

On the other hand, when the back door 10 is closed,
A bump rubber 52 is fixed to a part of the door inner panel 12 facing the bumper female 51 by a mounting bolt 52a. This bumper bar 52
Has a substantially trapezoidal shape as shown in FIG. 2 and is housed inside the substantially U-shaped shape of the bumper female 51. A bumper bar lean hosement 53 is welded to a part of the door inner panel 12 where the bumper bar 52 is attached.

In the back door bumper composed of the bumper female 51 and the bumper bar 52 configured as described above, the back door 10
Is closed, the bump rubber 52 attached to the back door 10 is engaged with the bumper female 51 attached to the female bracket 40. Also,
The female bracket 40 is attached to the lamp housing 22 which is a part of the body. For this reason, even if the back door 10 moves up and down due to vibrations during running of the vehicle,
Because bumper bar 52 contacts bumper female 40,
Vertical movement of the back door 10 is suppressed.

When the back door 10 is opened, the engagement between the bumper female 51 and the bump rubber 52 is released.

Note that, as in this embodiment, the female bracket 40
If the main bracket 41 and the sub bracket 42 having a substantially U-shaped cross section are combined, the rigidity of the female bracket 40 is large, and the female bracket 40 is strong against the vertical movement of the back door 10.

In the present embodiment, the bumper female 51 is configured separately from the female bracket 40. However, a bumper female may be configured by a part of the female bracket 40. .

Further, as in this embodiment, the female bracket 40
Is attached to the lamp housing 22 by the fastening bolt 43, the paint color of the female bracket 40 can be different from the paint color of the body, so that the color can be arranged suitable for the rear combination lamp 20. It is preferable because it does not affect the appearance of the vehicle.

Also, since the bumper bar and the bumper female for receiving the bumper bar are formed in a substantially trapezoidal shape with a larger side on the rear side of the vehicle, the bumper female guides the bumper bar when the back door is closed, and smoothly moves the back door. Can be closed. In addition, even when the assembly dimensions of the body and the back door are slightly different from the initial dimensions due to vibrations during running or the like, the bumper rubber is guided to the bumper female, so that the body and the back door interfere with each other. Nothing.

[Effect of the invention]

As described above, according to the vehicle rear door bumper mounting structure according to the present invention, the female bracket is mounted on the lamp housing and the bumper female is mounted on the female bracket. It is not necessary to particularly provide a wall portion of the body for mounting the rear combination lamp. Therefore, even if the rear combination lamp is enlarged and the free end of the back door faces the rear combination lamp, the back door bumper can be mounted. Therefore, the vehicle according to the preference can be provided without restricting the freedom in the appearance design of the vehicle.

[Brief description of the drawings]

The drawings show a preferred embodiment of the back door bumper mounting structure according to the present invention. FIG. 1 is a schematic sectional view of the vicinity of the free end of the back door taken along a horizontal plane, and is a sectional view taken along line II in FIG. Fig. 2
It is an exploded perspective view showing the outline of the important section of the back door bumper. FIG. 3 is a schematic perspective view of a rear portion of a vehicle having a back door. FIG. 4 is a cross-sectional view for explaining a problem that occurs when the rear combination lamp is enlarged, and is a cross-sectional view corresponding to FIG. 10: Back door, 11: Door outer panel 12: Door inner panel 20: Rear combination lamp 21: Lamp cover, 22: Lamp housing 40: Female bracket 41: Main bracket 41a: Long arm Section, 41b Short arm section 42 Sub-bracket 42a Long arm section 42b Short arm section 44 Female bracket lean hosen 51 Bumper female 52 Bumper bar 53 Bumper bar Burlean Horsement

Claims (2)

(57) [Scope of request for utility model registration] A base end is supported by a hinge provided on the rear side of the body and having a vertical axis. The base is opened and closed by rotating about the hinge, and the free end is closed when the body is closed. A back door facing the rear combination lamp without the interposition of a panel; and a rear side of the vehicle attached to a free end of the back door and cut along a plane orthogonal to the vehicle width direction, in which a rear side of the vehicle is closer than a front side. A bumper bar that is long in the vehicle width direction and has a substantially trapezoidal shape, and one end is attached to the lamp housing of the rear combination lamp, and the other end extends toward the bumper bar, and is substantially U-shaped in a vertical cross section. And a female bracket attached to the female bracket and detachable from the upper and lower surfaces of the bumper bar. A generally U-shaped in cross section taken along a plane, back door bumper mounting structure for a vehicle, characterized in that the height of 該Ko shaped with a, a large van Pafi mail towards the vehicle rear side. 2. A female bracket comprising: a main bracket having a substantially L-shaped horizontal cross section; and a sub-bracket having a substantially equilateral mountain-shaped horizontal cross section; an L-shaped long arm of the main bracket; One of the arms of the mountain shape is brought into close contact with the back surface, and the short arm of the L-shape of the main bracket and the other arm of the equilateral mountain shape of the sub-bracket are positioned substantially in the same plane. The vehicle backdoor bumper mounting structure according to claim 1, wherein the main bracket is combined with the female bracket, and the female bracket is detachable from the lamp housing.