JP2000233771A - Installing structure of tire cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install the same form of tire covers by a single installing bracket, responding to several sorts of spare tires. SOLUTION: At the rear part of the back door 2 of an automobile, a spare tire 3 is installed. To the back door 2, a tire installing bracket 5 having a wheel installing bolt 6 is installed. To the tire installing bracket 5, the spare tire 3 is installed through an adjustable bracket 15. To the adjust bracket 15, cover installing bolts 20 are provided to attach tire covers 10, and also plural level difference faces are formed. The cover installing bolt 20 is provided to each level difference face respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a tire cover of a spare tire mounted on the outside of a vehicle body.

[0002]

2. Description of the Related Art A vehicle 1 shown in FIG. 6 has a spare tire 3 mounted on a back door 2 disposed at a rear portion of a vehicle body.
As shown in FIG. 7, for example, the spare tire 3 is provided with five wheel holes 7 at equal angular intervals around a hub hole 23 of the spare tire 3. On the other hand, as shown in FIG. 8, a tire mounting bracket 5 for mounting the spare tire 3 is provided on the surface of the back door panel 4, and three wheel mounting bolts 6 provided thereon as shown in FIG. 7 (see FIG. 2). , The wheel hole 7 of the spare tire 3 is inserted and screwed with a wheel nut 8 to be attached. At this time, when the tire cover 10 is mounted on the spare tire 3, as shown in FIGS.
The bolt insertion hole 11 drilled in the tire cover 10 is inserted into one of the wheel mounting bolts 6, the spare tire 3 and the tire cover 10 are fastened together with the wheel nut 8, and the tire cover 10 is mounted on the spare tire 3. .

[0003]

As described above, the spare tire 3 of the automobile 1 is attached to the back door 2 and the like, and the tire covering the wheel 12 is provided to prevent EU collision of the wheel 12 and to improve the design. The cover 10 is attached. Since the tire cover 10 is mounted using the wheel mounting bolts 6 of the tire mounting bracket 5, a portion from the mounting surface of the wheel 12 of the spare tire 3 shown in FIG. The horizontal length a differs for each type of the spare tire 3. Therefore, if the spare tire 3 is different, the tire cover 10 is also different, and the versatility of the tire cover 10 is lacking, and a unique tire cover is prepared for each spare tire.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and uses an adjustment bracket as an attachment for mounting a tire cover, and a single mounting bracket and a tire cover for mounting a tire cover that can handle several types of spare tires. The purpose is to provide a structure.

[0005]

In order to achieve the above object, a tire cover mounting structure of the present invention is provided with a wheel mounting bolt on a tire mounting bracket provided on a vehicle body side, and a spare using the wheel mounting bolt. In the tire cover mounting structure for mounting the tire on the tire mounting bracket and arranging the tire cover on the spare tire, an adjusting bracket for mounting the tire cover is provided on the tire mounting bracket, and the adjusting bracket has two or more steps. A surface was formed, a cover mounting bolt was provided on each of the step surfaces, and the tire cover was mounted on the adjust bracket using any of the cover mounting bolts.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A tire cover mounting structure according to an embodiment of the present invention will be described below with reference to the drawings. The same structures as those of the conventional example will be described with the same reference numerals. FIG. 1 shows a state in which a spare tire 3 is mounted on a back door 2 of an automobile. The spare tire 3 is mounted via a tire mounting bracket 5 disposed at a rear part of the back door 2. As shown in FIG. 2, the tire mounting bracket 5 has a U-shaped cross section, and has mounting flanges 13 at both ends, which are mounting portions to the back door 2.

[0007] Wheel mounting surface 1 of tire mounting bracket 5
4 are provided with three wheel mounting bolts 6 for mounting the spare tire 3, and are disposed at 5
Three of the foil holes 7 (see FIG. 7) correspond to each other. The method of selecting the holes 7 is as follows: the foil holes 7 are regarded as the vertices of a regular pentagon, and the wheel mounting bolts 6 Has been arranged. By arranging the wheel attachment bolts 6 in this manner, the spare tire 3 can be attached at intervals of 72 degrees in rotation angle.

A hat-shaped adjustment bracket 15 shown in FIG. 2 is mounted on the tire mounting bracket 5, and an adjustment hole 17 is formed in a mounting portion 16 corresponding to a flange of the hat. In this embodiment, five adjustment holes 17 are provided corresponding to the wheel holes 7. As shown in FIGS. 1 and 3, the adjusting bracket 15 has the mounting portion 16 sandwiched between the tire mounting bracket 5 and the wheel 12 of the spare tire 3 via the wheel mounting bolt 6, and Can be mounted by spot fastening.

As shown in FIG. 2, the adjusting bracket 15 has a step surface 19 for fixing the resin tire cover 10 on a surface corresponding to a top of a hat. Step surface 19
Is provided with a plurality of steps, that is, five surfaces in this embodiment, and formed so that the height of each surface is different,
A cover mounting bolt 20 is provided on each surface. The locations of the cover mounting bolts 20 are arranged concentrically with respect to the axis of the spare tire 3, but need not necessarily be arranged at equal angular intervals. As shown in FIG. 3, the diameter of the portion of the adjustment bracket 15 corresponding to the body of the hat is formed smaller than the diameter of the hub hole 23 so as to protrude from the hub hole 23 of the wheel 12. As shown in FIGS. 1 and 3, the tire cover 10 is provided with a concave portion 21 whose surface protrudes toward the rear surface side.
1 are formed. The bottom of the concave portion 21 has a depth which is in contact with any one of the step surfaces 19 of the adjustment bracket 15, and the diameter of the concave portion 21 is formed so as not to interfere with the other step surfaces 19. The position of 21 is arranged on the concentric circle similarly to the cover mounting bolt 20.

In the operation of mounting the spare tire 3 and the tire cover 10, first, the adjusting bracket 15 is inserted into the wheel mounting bolt 6 of the tire mounting bracket 5, and then the wheel hole 7 of the spare tire 3 is further inserted into the wheel mounting bolt 6. . Then, the wheel nut 8 is screwed onto the wheel mounting bolt 6, and the spare tire 3 is mounted on the tire mounting bracket 5.
Attach to In this state, the adjustment bracket 15
The step surface 19 and the cover mounting bolt 20 of the
From the recess 21 of the tire cover 10.
And any step surface 1 at a height position corresponding to the concave portion 21
9 is inserted into the cover mounting bolt 20 corresponding to 9.

In order to facilitate the positioning, an annular positioning rib 24 is provided on the tire cover 10 as shown in FIGS. Finally, the cover mounting nut 18 is screwed onto the cover mounting bolt 20, and the tire cover 10 is mounted on the spare tire 3. When attaching the tire cover 10 to the spare tires 3 having different sizes,
The tire cover 10 is mounted using another surface of the step surface 19 of the adjustment bracket 15.

As described above, in the present embodiment, the adjustment bracket 15 can be mounted according to the shape of the spare tire 3. Therefore, even if the shape of the spare tire 3 is different, if one adjustment bracket 15 is prepared, it can be handled by one tire cover 10 and the manufacturing cost can be reduced. Further, since the bolt insertion hole 11, which is the mounting portion of the tire cover 10, is closer to the center than in the past, the mounting state is stable.

Although the embodiments of the present invention have been described above, the present invention is, of course, not limited to these, and various modifications and changes can be made based on the technical concept of the present invention. For example, in the above embodiment, the positioning of the tire cover 10 is performed by fitting it around the adjustment bracket 15 using the positioning ribs 24. However, as shown in FIG. A positioning rib 24 having a step 25 to be fitted to the part may be provided on the periphery of the tire cover 10. In this case, as shown by a phantom line, in order to correspond to a 15-inch rim foil, Should be stepped. Further, the number of the adjusting holes 17 of the adjusting bracket 15 is the same as the number of the foil holes 7 of the wheel 12, but may be an integer multiple thereof at equal angular intervals. Further, as in the case of the adjustment bracket 15 shown in FIG. 5, the number of the step surfaces 19 may be reduced to a minimum of two. In this case, unnecessary portions of the bracket can be omitted to reduce the weight.

[0014]

As described above, according to the tire cover mounting structure of the present invention, a wheel mounting bolt is provided on the tire mounting bracket provided on the vehicle body side, and a spare tire is mounted on the tire using the wheel mounting bolt. In the tire cover mounting structure for mounting the tire cover on the mounting bracket and mounting the tire cover on the spare tire, the adjusting bracket for mounting the tire cover is provided on the tire mounting bracket, and two or more step surfaces are formed on the adjusting bracket. Since a cover mounting bolt is provided on each of the step surfaces, and the tire cover is mounted on the adjust bracket using any of the cover mounting bolts,
Even if the type of the spare tire is different, one type of tire cover can be used. Further, a bolt insertion hole for fitting to the wheel mounting bolt of the tire mounting bracket is provided in the mounting portion of the adjustment bracket, and the mounting portion is disposed between the tire mounting bracket and the spare tire, and a wheel nut is provided. By jointly tightening the adjustment brackets, the adjustment brackets can be easily mounted on the tire mounting brackets without the need for special bolts and nuts for mounting the adjustment brackets. When the adjusting bracket is mounted on the tire mounting bracket, the mounting of the adjusting bracket is facilitated. Further, a rib is protruded from the mounting surface side of the tire cover, and the rib is locked on the rim of the adjustment bracket or the spare tire to be positioned on the rim of the adjustment bracket or the spare tire. And the work efficiency is improved. In addition,
When aligning the wheel holes of the spare tire with the wheel mounting bolts, the hub holes of the spare tire can be hooked on the body of the adjustment bracket and temporarily held, making it easier to assemble heavy spare tires, The burden can be reduced.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a state in which a tire cover is mounted on a back door by a tire cover mounting structure according to an embodiment of the present invention.

FIG. 2 is a perspective view for explaining a method of mounting the adjustment bracket of FIG. 1 to a tire mounting bracket.

FIG. 3 is an enlarged sectional view of the vicinity of a hub hole of the spare tire of FIG. 1;

FIG. 4 is a cross-sectional view showing a modified example of a method for positioning a tire cover in a tire cover mounting structure according to an embodiment of the present invention.

FIG. 5 is a perspective view showing a modification of the adjustment bracket of the tire cover mounting structure according to the embodiment of the present invention.

FIG. 6 is a perspective view of the automobile showing a position where a spare tire is mounted.

FIG. 7 is an exploded perspective view showing a conventional attachment of the spare tire and the tire cover of the automobile of FIG.

8 is a conventional cross-sectional view taken along line XX in FIG.

FIG. 9 is an enlarged sectional view of the vicinity of a hub hole of the spare tire of FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automobile 2 Back door 3 Spare tire 5 Tire mounting bracket 6 Wheel mounting bolt 7 Wheel hole 8 Wheel nut 10 Tire cover 11 Bolt insertion hole 12 Wheel 13 Mounting flange 15 Adjust bracket 17 Adjust hole 18 Cover mounting nut 19 Step surface 20 Cover mounting Bolt 24 Positioning rib 25 Step

Claims (3)

[Claims] 1. A tire cover in which a wheel mounting bolt is provided on a tire mounting bracket provided on a vehicle body side, a spare tire is mounted on the tire mounting bracket using the wheel mounting bolt, and a tire cover is disposed on the spare tire. In the mounting structure, an adjusting bracket for mounting the tire cover is provided on the tire mounting bracket, two or more step surfaces are formed on the adjust bracket, and a cover mounting bolt is provided on each of the step surfaces.
A mounting structure for a tire cover, wherein the tire cover is mounted on the adjustment bracket using any one of the cover mounting bolts. 2. The mounting part of the adjustment bracket,
A bolt insertion hole for fitting to a wheel mounting bolt of the tire mounting bracket is provided, the mounting portion is disposed between the tire mounting bracket and a spare tire, and the adjustment bracket is mounted on the tire mounting bracket. The mounting structure for a tire cover according to claim 1, wherein: 3. The positioning of the rib on the adjusting bracket or the spare tire rim by projecting a rib on the mounting surface side of the tire cover and locking the rib on the adjusting bracket or the rim of the spare tire. The mounting structure for a tire cover according to claim 1, wherein: