JPH0714137Y2 - Vehicle spare tire storage structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a spare tire storage structure for a vehicle.

(Prior Art) Generally, as a spare tire, a standard tire used for normal running and a compact emergency tire having an outer diameter and a width smaller than that of the standard tire are applied. In a vehicle spare tire storage structure, the reference surface (flat surface) of the trunk floor panel forming the bottom wall of the trunk has a depth about the width of the spare tire (standard tire or emergency tire). In addition, a circular recess having an outer diameter matching (substantially matching) is formed, and only one of the standard tire and the emergency tire that fits in the recess is horizontally supported and stored as a spare tire. It has become.

Further, as described above, the recess of the trunk floor panel is formed in conformity with the standard tire, and the standard tire or the emergency tire can be stored in the recess in a horizontal state as appropriate, and the spare tire according to the need of the user. There is also one that makes it possible to select (see Japanese Utility Model Publication No. 61-201982).

(Problems to be solved by the invention) However, in the case where the standard tire is stored in the recess of the trunk floor panel in a horizontal state as described above, the trunk floor panel, that is, the front and rear direction of the trunk room is formed when the recess is formed. However, there is a problem in that the rear overhang, ie, the rear overhang, cannot be shortened due to the need for a length to the rear of the vehicle body, which tends to come in recent years.

In this case, as described above, using a recess that only the first-aid tire as a spare tire fits, while supporting the one end side in the circumferential direction of the standard tire in the one end side in the circumferential direction in the recess,
The other end of the standard tire in the circumferential direction that cannot be stored in the recess is supported on the trunk floor panel above the other end of the recess in the circumferential direction, and the standard tire is stored in the recess in an inclined state. It is possible to make it possible. But,
When the standard tire is stored in a slanted state without directionality, the standard tire easily moves forward due to collision energy acting from the rear at the time of a rear-end collision, and the standard tire is the reference of the front end portion of the trunk floor panel. There is a risk that the vehicle body member disposed on the surface may come into contact with the vehicle body and give an impact.

The present invention has been made in view of such a point, and an object thereof is to appropriately improve a concave portion to which only an emergency tire fits, and to form a standard tire as a spare tire in the concave portion in a directional inclined state. The rear overhang is shortened by storing it in the front and rear direction of the trunk room to shorten the rear overhang, and surely avoiding contact between the standard tire and the vehicle body member at the front end of the trunk floor panel during a rear-end collision. It tries to be able to do it.

(Means for Solving the Problem) In order to achieve the above object, the solution means of the present invention is a spare tire storage structure for a vehicle, in which a standard tire or an outer diameter and a width smaller than the standard tire are provided in a trunk room. It is assumed that compact emergency tires are stored as spare tires as needed. Then, the trunk floor panel forming the bottom wall of the trunk room is provided with a depth of about the width of the emergency tire so that the emergency tire is stored in a substantially horizontal state below the reference surface of the trunk floor panel. An emergency tire storage recess having an outer diameter that is substantially the same is formed. A recess having a depth at least equal to or larger than the width of the standard tire is formed in the front of the emergency tire storage recess, and a receiving portion to which the lower surface of the standard tire can abut is provided in the rear of the trunk room. A fixing bracket that is provided above the reference surface of the panel and that has mounting surfaces corresponding to the standard tire and the emergency tire is provided substantially in the center of the emergency tire storage recess. Further, when the standard tire is stored, the front portion of the standard tire is supported in the recess and the rear portion is supported by the receiving portion, and the standard tire is stored in a front-down inclined state.

(Operation) With the above configuration, in the present invention, in the standard tire as the spare tire, the front portion of the standard tire is a concave portion in which the front portion in the circumferential direction inside the emergency tire storage concave portion is further depressed, and the rear portion is a receiving portion of the rear portion of the trunk room. Since the standard tires are stored in the trunk room with the front tire inclined downwards with respect to the reference surface of the trunk floor panel, the standard tires are more likely to be stored in the recess than in the horizontal state. Then, the length of the trunk room in the front-back direction can be shortened,
The rear overhang can be shortened to accommodate upcoming trends. Moreover, since the recess is provided in the front portion in the circumferential direction of the emergency tire storage recess, the recess is provided by utilizing the emergency tire storage recess when providing the recess. Can be effectively used.

In addition, as described above, the standard tire as a spare tire is stored in a forward tilted state having directionality with respect to the reference surface of the trunk floor panel, and the recess has a depth greater than the width of the standard tire. Is formed. by this,
When collision energy is applied from the rear during a rear-end collision, the standard tire is pushed forward so that the entire front part comes into complete contact with the recess, and then the front end is used as a fulcrum to lift the rear part upward and the standard tire. Of the trunk floor panel is prevented from coming into contact with a vehicle body member or the like arranged on the reference surface of the front end portion of the trunk floor panel.

Furthermore, since the standard tire and the emergency tire are appropriately fixed to the respective mounting surfaces corresponding to the fixing bracket approximately in the center of the emergency tire storage recess, they are replaced with the emergency tire by, for example, flat tires. Even if the standard tire is fixed to the fixing bracket, it can be fixed smoothly, and a single fixing bracket can be used without the need for a dedicated fixing bracket for spare tires of different sizes. Can be achieved.

In addition, since the emergency tire is stored in the recess for storing the emergency tire in a substantially horizontal state, the spare tire is located below the reference surface of the trunk floor panel when the emergency tire is stored, and a storage space for the trunk room is secured. It

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

1 and 2 show a vehicle body rear portion 1 to which a spare tire storage structure according to an embodiment of the present invention is applied. The vehicle body rear portion 1 includes a rear end portion (a lower end portion) of a rear window 3 and an air. A trunk room 6 is provided which has an opening 5 extending upward and backward from the end panel 4 in the front-rear direction. The trunk room 6 has left and right side walls formed by a pair of left and right rear fender panels (not shown), and a bottom wall formed by a trunk floor panel 7. The opening 5 of the trunk room 6 is opened and closed by a trunk lid 9 whose front end is pivotally connected to an upper back panel 8 which supports the lower end of the rear window 3.

A trim member (not shown) is laid on the flat reference surface x of the trunk floor panel 7 which is substantially horizontal, so that luggage and the like can be loaded. Further, on the reference surface x at the front end of the trunk floor panel 7, a fuel tank 10 as a vehicle body member for storing fuel is arranged. Further, in front of the fuel tank 10, a seat back 11a of a rear seat 11 as a vehicle body member is arranged. Below the trunk floor panel 7 where the fuel tank 10 is located, there is a differential device 2 for converting the rotational force from the engine transmitted through the propulsion shaft 12 to drive the left and right rear wheels (not shown). It is arranged. Incidentally, 13 is a wheel center.

In addition, at a substantially central portion of the trunk floor panel 7, a temper tire 14 (for emergency use) as a compact spare tire having a smaller diameter and a narrower width than a standard tire 18 (which will be described later) usually attached to the wheel center 13 is provided. A circular recess 15 (a first tire storage recess) for storing a tire is formed. The circular recess 15 has a depth approximately equal to the width of the temper tire 14 and is formed to have substantially the same diameter. The temper tire 14 is substantially horizontal below the reference plane x of the trunk floor panel 7. It is stored in the state.

Further, in the front portion of the circular recess 15 of the trunk floor panel 7, there is formed a forward tilted recess 16 having a depth equal to or larger than the width of the standard tire 18 and a bottom wall of which tilts forward. A receiving portion 17 located above the reference plane x of the trunk floor panel 7 is formed at the rear end of the trunk floor panel 7 where the rear edge of the circular recess 15 is located.

And as mentioned above, the standard tire 18 as a spare tire
The front portion of the standard tire 18 is supported in the forwardly inclined concave portion 16 of the circular concave portion 15 while the lower surface of the rear portion is supported by the receiving portion 17, and the standard tire 18 is the reference of the trunk floor panel 7. It is adapted to be stored in the trunk room 6 in a state of being inclined downward with respect to the surface x. Further, as shown in FIGS. 2 and 3, substantially the middle portion of the circular concave portion 15 of the trunk floor panel 7 has left and right upper surfaces 19, which correspond to the temper tire 14 and the standard tire 18, respectively. 20
A tire fixing bracket 21 having a different (mounting surface) shape is fixed. Each of the upper surfaces 19, 20 of the tire fixing bracket 21 is formed with a bolt insertion hole 19a, 20a, respectively, and a tempered tire to be stored as a spare tire.
The 14 or the standard tire 18 is fixed to the respective upper surfaces 19 and 20 of the tire fixing bracket 21 according to the type by bolts (not shown).

In FIG. 1, 22 is a rear bumper.

Therefore, in the above-described embodiment, the standard tire 18 as a spare tire has its front portion utilizing a part of the circular concave portion 15 of the trunk floor panel 7 in the forward inclined concave portion 16 of the circular concave portion 15, The lower surface of the rear portion is supported by the receiving portion 17 at the rear end of the trunk floor panel 7, and the standard tire 18 is stored in the trunk room 6 in a state of being inclined forward and downward with respect to the reference plane x of the trunk floor panel 7. This allows
Compared with a standard tire stored horizontally in a recess, the length of the trunk room 6 in the front-rear direction can be shortened, and the rear overhang, which is a recent tendency, can be shortened. You can Moreover, the forward tilted recess
Since 16 is recessed in the circumferential front portion of the circular recess 15,
By providing the forwardly inclined recessed portion 16, the forwardly inclined recessed portion 16 is provided by utilizing the circular recessed portion 15, and the circularly recessed portion can be effectively used.

In addition, as described above, the standard tire 18 as a spare tire is stored in a forward tilted state having directionality with respect to the reference plane x of the trunk floor panel 7, and the forward tilted recess 16 has the width of the standard tire 18. It is formed to have the above depth.
As a result, when collision energy is applied from the rear during a rear-end collision, the standard tire 18 pushed forward by the rear end panel 4 and the circular recess 15 as shown by the phantom line (two-dot chain line) in FIG. After the entire front end in the circumferential direction of the tire is completely abutted in the forwardly inclined recessed portion 16, the front end of the standard tire 18 is used as a fulcrum to float the lower surface of the rear portion to prevent the forward movement. Fuel tank 10 arranged on the reference surface x of the front end portion (front of the circular recess 15) of the trunk floor panel 7 and fuel tank 10 and rear seat 11 arranged on the reference surface x of the rear seat 15 It is possible to reliably avoid the contact of the seat back 11a with the vehicle body member.

Further, the standard tire 18 or the temper tire 14 has the fixing bracket 21 at the approximate center of the circular recess 15 and the upper surface 1 of each of the fixing brackets 21.
Since the bolt insertion holes 19a, 20a of 9,20 are appropriately bolted to the fixing tire 21, instead of the temper tire 14 by the flat tire of the standard tire 18, the standard tire 18 is fixed to the fixing bracket 21. Since the bolts are smoothly fastened to the bolt insertion holes 19a, a single fixing bracket 21 can be used without a dedicated fixing bracket according to spare tires of different sizes.

Moreover, since the temper tire 14 is stored in the circular recess 15 in a substantially horizontal state, the temper tire 14 (spare tire) is stored in the trunk floor panel 7 when the temper tire is stored.
The storage space of the trunk room 6 can be secured below the reference plane x.

In the above embodiment, the receiving portion 17 is used as the trunk floor panel 7.
Although it is provided at the rear end portion, it goes without saying that the receiving portion may be provided at the rear end portion of the luggage compartment by a separate member.

(Effects of the Invention) As described above, according to the spare tire storage structure for a vehicle in the present invention, the front portion of the standard tire as a spare tire is provided in the recess of the trunk floor panel having a depth equal to or larger than the standard tire width, and the rear portion thereof is formed. Since the tires are supported by the receiving parts above the trunk floor panel surface and are stored in the trunk room in the forward leaning state, compared to those in which the standard tires are placed in the trunk room in a substantially horizontal state, It is possible to shorten the rear overhang by shortening the length in the front-rear direction, and to effectively use the emergency tire storage recess by storing the standard tire in the recess using the emergency tire storage recess. it can. Moreover, even if collision energy is applied from the rear during a rear-end collision, the standard tire has its rear end raised upward with the front end supported by the recess as a fulcrum to prevent forward movement, and the front end of the trunk floor panel is prevented. It is possible to surely avoid the contact with the vehicle body member. In addition, since the standard tire or the emergency tire is fixed to the fixing bracket of the emergency tire storage recess, a single fixing bracket can be used without the need for a dedicated fixing bracket for spare tires of different sizes. Besides, it is possible to secure the storage space in the trunk room by eliminating the arrangement of the spare tire above the trunk floor panel when storing the emergency tire.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a sectional view showing a state of a rear portion of a vehicle body cut along a vehicle body center line, and FIG. 2 is a plan view showing a positional relationship between a tire fixing bracket and a temper tire. FIG. 3 is a perspective view of a tire fixing bracket. 6 ... Trunk room, 7 ... Trunk floor panel,
14 …… Tempered tire, 15 …… Circular recess, 16 …… Forward tilted recess, 17 …… Receiving part, 18 …… Standard tire, 19,20 …… Top surface, 21 …… Tire fixing bracket, x …… Reference plane.

Claims (1)

[Scope of utility model registration request] 1. A spare tire storage structure for a vehicle in which a standard tire or a compact emergency tire having an outer diameter and a width smaller than that of the standard tire is stored as a spare tire in a trunk room as needed. The trunk floor panel forming the bottom wall of the trunk room is provided with a depth approximately equal to the width of the emergency tire so that the emergency tire can be stored below the reference plane of the trunk floor panel in a substantially horizontal state. An emergency tire storage recess having a substantially identical outer diameter is formed, and a recess having a depth at least equal to or larger than the width of the standard tire is formed in a front portion of the emergency tire storage recess. On the other hand, in the rear part of the trunk room, there is provided a receiving part which can contact the lower surface of the standard tire and is located above the reference surface of the trunk floor panel. A fixing bracket having mounting surfaces corresponding to the standard tire and the emergency tire is provided substantially in the center of the emergency tire storage recess, and the standard tire is stored in front of the standard tire when the standard tire is retracted. A spare tire storage structure for a vehicle, characterized in that a standard tire is stored in a state in which the standard tire is tilted downward and the standard tire is supported by the recessed portion and the rear portion supported by the receiving portion.