JPS6256824B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a spare tire holding structure for a motor vehicle, particularly a motor vehicle having a back door.

Conventionally, as a spare tire holding structure for automobiles,
Spare tires are placed horizontally or vertically in the trunk, or selectively placed horizontally or vertically (e.g., 1983-
No. 118224) is known.

However, in the above-mentioned structure, since the spare tire is usually simply held, there is a problem in that the spare tire flies out from the holding position when a large impact force is applied.

The present invention has been made in view of this point, and by holding the spare tire in an upright position (so-called upright position) along the rear end panel between the vehicle body floor and the back door, even when an impact force is applied, The spare tire is securely held in place without flying out, and in the event of a rear-end collision, the impact force is dispersed and buffered through the spare tire to the vehicle floor and roof sides, so the rear seat The main object of this invention is to provide a spare tire holding structure for an automobile, which reduces deformation of the vehicle and protects rear seat occupants from the impact force.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The configuration of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes an automobile, in which hinge attachment parts 4 and 5 fixed to the upper edge of a back door 3 are attached to a rear roof header 2 having a closed cross-sectional shape at the upper edge of a rear opening, so that the back door 3 can be opened and closed.

A recess 6 is formed in the lower end of the back door 3 at approximately the center in the left-right direction, while another recess 8, which is considerably deeper than the recess 6, is formed in the vehicle floor 7 in correspondence with the recess 6.

9 is the spare tire, and the bottom part is the car body floor 7
The upper part is accommodated in the recess 6 of the back door 3 when the back door 3 is opened. Therefore, when the back door 3 is closed, the spare tire 9 is held in an upright position tilted forward and downward along the rear end panel 10, and the rear view is not obstructed.
Furthermore, there is no possibility that the spare tire 9 will be visible from the outside.

11 is a rear side frame with a closed section structure,
It is fixedly installed along the front and back direction on the left and right sides of the lower side of the vehicle body floor 7. 12 is the rear bumper, 13 is the fuel tank, 14 is the differential part of the transmission, 15 is the rear seat,
16 is a windshield of the back door 3, and 17 is a vehicle roof, at the rear end of which the rear roof header 2 is located.

With the above structure, when the back door 3 is in the closed state, the upper and lower parts of the spare tire 9 are accommodated in the recess 6 of the back door 3 and the recess 8 of the vehicle floor 7, and the spare tire 9 is inserted into the back door 3.
and the vehicle body floor 7,
Even when an impact force is applied, the spare tire 9 is reliably held at a predetermined position without flying out.

Furthermore, if an impact force F is input from the rear bumper 12 in the event of a rear collision of the vehicle with the back door 3 closed, the spare tire 9 is held between the back door 3 and the vehicle floor 7. The spare tire 9 does not fly out and the impact force F
is distributed to the vehicle body floor 7 side and the vehicle body roof 17 (back door 3) side via the spare tire 9 which is an elastic body.

As a result, the impact force dispersed to the vehicle body floor 7 side is transmitted to and buffered by the high-strength rear side frames 11, 11, while the impact force dispersed to the vehicle body roof 17 side is buffered by the rear roof header 2. Ru.

Therefore, the influence on the rear seat 15 is significantly reduced, there is almost no deformation of the rear seat 15, and the rear seat occupants in the rear seat 15 are protected from impact force and safety is ensured.

Since the present invention is configured as described above, even when an impact force is applied, the spare tire is reliably accommodated and held in a predetermined position without flying out, and in the event of a rear-end collision of the vehicle, the impact force is transmitted through the spare tire. Since it is distributed and buffered between the vehicle floor side and the vehicle roof side, there is little impact on the rear seats, and therefore there is little deformation of the rear seats, which is a practical advantage in that the rear seat passengers are protected and safety is ensured. have an effect.

[Brief explanation of the drawing]

The drawings illustrate an embodiment of the present invention, and FIG. 1 is a schematic view of the rear of the automobile, FIG. 2 is a schematic view taken along the line - - in FIG. 1, and FIG. 3 is a perspective view of the back door. DESCRIPTION OF SYMBOLS 1...Automobile, 2...Rear roof header, 3...Back door, 6, 8...Recess, 7...Vehicle body floor, 9...Spare tire, 10...Rear end panel, 17...Vehicle body roof.

Claims (1)

[Claims] 1 A recess is formed in the vehicle floor and the lower end of the back door, the lower part of the spare tire is accommodated in the recess in the vehicle floor, the upper part of the spare tire is accommodated in the recess in the lower end of the back door, and the spare tire is inserted along the rear end panel. held in an upright position,
A spare tire holding structure for an automobile is characterized in that, in the event of a rear collision of the vehicle, impact force is dispersed through the spare tire to the vehicle floor side and the vehicle roof side.