JP6023668B2 - Tire mounting structure in vehicle storage space - Google Patents

Description

  The present invention relates to a tire mounting structure in a vehicle storage space such as a trunk room.

  Japanese Patent Application Laid-Open No. 2004-133867 discloses an automobile in which a punctured tire can be mounted vertically in a storage space at the rear of the vehicle. In this automobile, the tire is detachably attached to the bracket that is fastened to the vehicle body and extends upward by a screw member, and the attached tire is in a state of facing the rear of the vehicle along its longitudinal direction along the longitudinal direction. Yes.

JP 2000-16354 A

  However, in the automobile according to Patent Document 1, when the vehicle body is deformed due to a collision from the rear of the vehicle and an impact is applied to the tire, the tire is fixed to the vehicle body via the bracket. There is a possibility of interfering with a member located in front of the tire.

  The present invention has been made in view of the above circumstances, and is a structure for attaching a tire to a vehicle storage space, and when an impact is applied to the tire due to a collision, it is opposite to the side on which the collision occurred across the tire. An object of the present invention is to provide a tire mounting structure in a vehicle storage space capable of protecting a member disposed on the side.

As a means for solving the above problems, the invention according to claim 1 is a tire mounting structure in a vehicle storage space in which a mounting portion for mounting a tire in a vertically placed state is installed in the vehicle storage space, and a collision from the outside of the vehicle. A first auxiliary machine is disposed in a projection surface of the tire attached to the attachment portion in the direction of impact input, and the attachment portion is fixed to a vehicle body at both ends, and one end portion of the attachment portion is in a fixed position or axis around the vicinity of the vehicle body, at the time of a collision from the vehicle outside, provided with a rotating portion which arc rotating the tire so as to avoid the first accessory, wherein the mounting portion to the other end side, characterized Rukoto weakened portion is provided.

The invention according to claim 2 is characterized in that the first auxiliary machine is a fuel tank.

According to a third aspect of the present invention, a second auxiliary machine is arranged on a trajectory of the arcuate rotation of the tire, and on an upstream side of the second auxiliary machine on the trajectory of the arcuate rotation of the tire, A stopper for restricting rotation of the tire rotated by the rotating portion is provided.

The invention according to claim 4 is characterized in that the second auxiliary machine is a high voltage battery.

According to the first aspect of the present invention, when there is a collision in the vehicle toward the tire and the first auxiliary machine, the tire attached to the mounting part by the rotating part is avoided from the first auxiliary machine. It is possible to avoid the interference between the tire and the first auxiliary machine by rotating in an arc.
Thereby, the 1st auxiliary machine which is a member arrange | positioned on the opposite side to the side which collided across the tire attached to the attaching part can be protected.

In addition, when there is a collision, the mounting portion easily breaks starting from the weakened portion, so that the tire attached to the mounting portion can be easily turned in an arc shape. Thereby, the protection property of the first auxiliary machine can be improved.

According to the second aspect of the present invention, the fuel tank can be disposed while securing the protection in the projection surface of the tire attached to the attachment portion in the direction of impact input at the time of collision from the outside of the vehicle.

According to the third aspect of the present invention, interference between the second auxiliary machine and the tire can be avoided, and the second auxiliary machine can be protected.

According to invention of Claim 4 , a high voltage battery can be arrange | positioned ensuring the protection property on the locus | trajectory of the arcuate rotation of the tire attached to the attaching part.

It is a longitudinal cross-sectional view of the rear part of the motor vehicle to which the structure which concerns on embodiment of this invention was applied. It is a figure explaining the behavior of the tire attached to the attachment part of the vehicle storage space at the time of the collision from the vehicle rear. It is a perspective view of the attaching part concerning this embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings used for the following description, the arrow FR indicates the front of the vehicle, and the arrow UP indicates the upper side of the vehicle.

FIG. 1 is a schematic longitudinal sectional view of a rear portion of an automobile 1 to which a structure according to an embodiment of the present invention is applied. In FIG. 1, reference numeral 2 denotes a center floor panel arranged at the lower part of the vehicle body. A vehicle compartment 3 is formed above the center floor panel 2, and a seat 4 is arranged in the vehicle compartment 3.
A trunk room 5 is formed behind the seat 4, and the passenger compartment 3 and the trunk room 5 are partitioned by a bulkhead 6.

In the illustrated example, the bottom plate portion of the trunk room 5 is connected to the rear end portion of the center floor panel 2 and extends rearwardly downward, and connected to the rear end portion of the first rear panel 7 so as to be substantially horizontal. And a second rear panel 8 extending rearward.
The bulkhead 6 extends rearward upward from the first rear panel 7 side. Further, a parcel 9 that is a vehicle skeleton member extending in the vehicle width direction is disposed on the upper rear side of the bulkhead 6. The parcels 9 are provided across the pillars (not shown) that are arranged in a pair of left and right and extend in the vertical direction.
Although not shown, an interior material made of a nonwoven fabric or the like is disposed above the first rear panel 7 and the second rear panel 8.

  A fuel tank 10 is disposed below the center floor panel 2 and the first rear panel 7. In addition, a high voltage battery 11 is disposed behind the bulkhead 6 so as to be close to the bulkhead 6. In the present embodiment, the automobile 1 is a hybrid vehicle, which stores fuel for driving the engine in a fuel tank and charges the high-voltage battery 11 with electric power for driving the motor.

Spare tires 12 are stored in the trunk room 5 in a vertically placed state, and the spare tires 12 are provided with attachment portions 13 provided between the parcel 9 and the bottom plate portion (second rear panel 8) of the trunk room 5. Is detachably attached.
The spare tire 12 is attached to the attachment portion 13 from the rear by fastening a fastening member such as a bolt inserted through the hub portion at the center thereof to the attachment portion 13, and its axis (the central axis of the hub) It is in the state which turned back along the front-back direction.

  Referring to FIGS. 1 and 3, the attachment portion 13 according to the present embodiment includes an attachment portion main body 14 that is a plate-like member extending in the vertical direction and a hinge portion connected to the upper end portion of the attachment portion main body 14. 15 and a fixing portion 16 connected to the lower end portion of the attachment portion main body 14. The attachment portion main body 14, the hinge portion 15, and the fixing portion 16 are each formed of metal, synthetic resin, or the like.

  A mounting boss portion 17 that protrudes rearward is provided at a substantially central position in the vertical direction of the mounting portion main body 14. The spare tire 12 is attached to the attachment portion 13 by inserting a fastening member such as a bolt inserted into the central hub portion of the spare tire 12 through the attachment boss portion 17 and fastening with a nut or the like.

  The hinge portion 15 is connected to the upper end portion of the attachment portion main body 14 by bolt fastening, and is also fastened to the parcel 9 as shown in FIG. Here, in FIG. 1, reference numeral C <b> 1 indicates the axis of the hinge shaft of the hinge portion 15, and the hinge portion 15 is fastened to the parcel 9 with the hinge shaft extending in the vehicle width direction.

  Further, the fixing portion 16 is coupled to the lower end portion of the attachment portion main body 14 by bolt fastening, and as shown in FIG. 1, the bottom plate portion (second rear panel 8) of the trunk room 5 is connected to the bottom plate portion by, for example, bolts or welding. It is concluded.

Here, a slit groove 18 formed so as to reduce the plate thickness of the attachment portion main body 14 is formed at a position on the lower end side portion of the attachment portion main body 14 above the connection position with the fixing portion 16. ing.
In the illustrated example, the slit groove 18 is recessed forward and extends across both end portions of the attachment main body 14 in the vehicle width direction.
The slit groove 18 functions as a weakening portion that breaks the attachment portion main body 14 starting from the slit groove 18 when a strong impact is applied to the attachment portion 13.

In FIG. 1, reference symbol P <b> 1 indicates a straight line extending forward from the lower end of the spare tire 12 attached to the attachment portion 13 along the horizontal direction, and reference symbol P <b> 2 denotes the spare tire 12 attached to the attachment portion 13. A straight line extending forward from the upper end along the horizontal direction is shown.
Here, in the automobile 1, the fuel tank 10 described above is arranged in a projection plane facing the front of the spare tire 12 as referred to by the straight line P <b> 1 and the straight line P <b> 2. Here, in this embodiment, it can be said that the fuel tank 10 is disposed in the projection plane of the spare tire 12 in the impact input direction at the time of a collision from the rear of the vehicle (the rear of the outside of the vehicle).

Further, in FIG. 1, the symbol T indicates that the attachment portion main body 14 rotates forward about the hinge axis of the hinge portion 15 in a state where the lower end portion of the attachment portion main body 14 is not restrained by the fixing portion 16. The turning trajectory of the spare tire 12 in this case is shown. The spare tire 12 passes through the space inside the rotation trajectory T when the spare tire 12 rotates about the hinge axis of the hinge portion 15.
As is apparent with reference to the rotation trajectory T, the attachment portion 13 is attached to the attachment portion main body 14 and the attachment portion main body 14 by the hinge portion 15 when the lower end portion of the attachment portion main body 14 is released. It is possible to rotate the spare tire 12 in an arc around the hinge axis.

  Further, in the automobile 1, the fuel tank 10 is disposed at a position deviating from the rotation trajectory T as apparent from the rotation trajectory T.

  Further, in the present embodiment, the above-described high voltage battery 11 is arranged on the arc trajectory T of the spare tire 12. Here, on the rotation trajectory T, the spare tire 12 rotated by the hinge portion 15 is rotated upstream of the position where the rotation trajectory T and the high voltage battery 11 interfere (on the fixed portion 16 side). A restricting stopper 19 is provided.

  In the illustrated example, the stopper 19 is formed in an L shape and is fixed to the first rear panel 7. In the present embodiment, the stopper 19 is disposed on a rotation locus about the hinge axis of the hinge portion 15 at the lower end portion of the upper portion across the slit groove 18 of the attachment portion main body 14. . Moreover, it is preferable that the lower part of the attachment portion main body 14 with the slit groove 18 interposed therebetween is out of the rotation locus T. In this case, the spare tire 12 rotates smoothly.

  With the structure according to the present embodiment described above with reference to FIG. 2, there is a collision from the rear of the vehicle as shown by an arrow α in FIG. 2, and the vehicle body is deformed and the spare tire 12 tries to move forward. In this case, the attachment portion main body 14 can be broken starting from the slit groove 18. Here, the direction indicated by the arrow α is an impact input direction toward the spare tire 12 and the fuel tank 10.

  Then, in the structure, as shown by an arrow β in the figure, the spare tire 12 attached to the attachment portion main body 14 is arcuately rotated so as to avoid the fuel tank 10 by the hinge portion 15. Interference between the tire 12 and the fuel tank 10 can be avoided.

  Furthermore, in the present embodiment, the rotation of the mounting portion main body 14 during rotation is restricted by the stopper 19 provided on the upstream side of the high-voltage battery 11 on the rotation trajectory T of the arcuate rotation of the spare tire 12. Thus, interference between the high voltage battery 11 and the spare tire 12 can also be avoided.

  As described above, in the structure according to the present embodiment, the fuel tank 10 that is a member disposed on the opposite side to the side where the collision has occurred with the spare tire 12 attached to the attachment portion 13 being sandwiched can be protected, and the high voltage The battery 11 can also be protected.

  Further, when such a structure is applied to the vehicle body, the fuel tank 10 and the high voltage battery 11 are secured as close as possible to the installation position of the spare tire 12 while ensuring the protection of the fuel tank 10 and the high voltage battery 11. Is possible. For this reason, it is possible to reduce the size of the vehicle.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately modified within the scope of the gist of the present invention.

  For example, in the above-described embodiment, the fuel tank 10 and the high-voltage battery 11 are exemplified as the members installed in the vehicle that can avoid the interference with the spare tire 12 at the time of the collision. I do not care.

  Moreover, in the said embodiment, although the spare tire 12 was attached to the attachment part 13, you may attach the tire which was punctured to the attachment part 13. FIG.

  Moreover, in the said embodiment, although the slit groove 18 which functions as a weakening part was formed in the lower end part side of the attaching part main body 14, the shape of such a groove | channel etc. may be another aspect. Moreover, such a weakened part may be an aspect such as connecting the attachment part main body 14 so as to be easily broken at a position corresponding to the weakened part with two members. Further, the weakened portion such as the slit groove 18 may not be provided.

  Further, the position of the hinge shaft in the hinge portion 15 as described in the above embodiment is not particularly limited as long as the spare tire 12 rotates in an arc shape so as to avoid the fuel tank 10.

  Moreover, although the said embodiment is applied in the hybrid vehicle, the form of a vehicle is not specifically limited.

1 car 5 trunk room (vehicle storage space)
10 Fuel tank (first auxiliary machine)
11 High-voltage battery (second auxiliary machine)
12 Spare tires
13 Mounting part 15 Hinge part (rotating part)
18 Slit groove (weakening part)
19 Stopper

Claims (4)

A mounting structure for mounting a tire in a vertically placed state is a tire mounting structure in a vehicle storage space installed in a vehicle storage space,
A first auxiliary machine is disposed in the projection plane of the tire attached to the attachment portion in the impact input direction at the time of a collision from the outside of the vehicle,
Both ends of the mounting portion are fixed to the vehicle body, and one end portion of the mounting portion is connected to the first auxiliary machine at the time of a collision from the outside of the vehicle centering on a fixed position with the vehicle body or the vicinity thereof. A rotating part for rotating the tire in an arc shape to avoid it ,
The other end of the mounting portion, the mounting structure of a tire in a vehicle storage space, characterized in Rukoto weakened portion is provided. The tire mounting structure in a vehicle storage space according to claim 1, wherein the first auxiliary machine is a fuel tank. A second auxiliary machine is arranged on the trajectory of the arcuate rotation of the tire,
An arc times upstream side of the second auxiliary on the locus of movement of the tire, characterized in that a stopper for restricting the rotation of the tire rotates is provided by the rotating unit according to claim 1 or The tire mounting structure in the vehicle storage space according to 2 . The tire mounting structure in a vehicle storage space according to claim 3 , wherein the second auxiliary machine is a high voltage battery.

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