JP4743550B2 - Spare tire storage structure - Google Patents

Description

  The present invention relates to a structure for storing a spare tire below a floor between vehicle wheel bases.

It is known that a spare tire is stored between the wheel bases instead of the rear part of the vehicle.
For example, Japanese Utility Model Laid-Open No. 55-78571 discloses a structure in which a spare tire is supported at a lower portion of a floor between vehicle wheel bases.
In this disclosed structure, one end of the spare tire carrier is supported on the lower side of the vehicle body so as to be rotatable in the vertical direction, and the other end side is rotated upward with the spare tire mounted on the spare tire carrier. The spare tire is stored by fixing it to the lower part of the vehicle body at a position that is almost horizontal.
In this spare tire storage structure, when the spare tire is used, the connection between the spare tire carrier and the vehicle body on the other end side is released, and the other end side of the spare tire carrier is rotated downward. Make contact with the ground.

  As a result, the space above the spare tire is released, and the spare tire accommodated in the carrier is taken out in an oblique state.

  However, in the structure disclosed in the Japanese Utility Model Laid-Open No. 55-78571, if the spare tire is forgotten to remove the spare tire from the spare tire carrier, the spare tire carrier is not restored. This cannot be confirmed, and there is a risk that normal driving cannot be performed. In addition, the spare tire carrier may be damaged, or interference with other parts may hinder these operations.

The present invention is configured in view of such circumstances, and can store a spare tire with a simple configuration, and its desorption operation is easy and reliable, and after the spare tire has been desorbed. An object of the present invention is to provide a spare tire storage structure capable of surely confirming that the return has been made.
This object of the present invention can be achieved by the following features of the present invention.
According to one aspect of the present invention, the floor lower surface side between the wheel bases of the vehicle so that the vehicle can be taken out from the side of the vehicle to a predetermined storage position provided in the vicinity of the side door on one side in the lateral direction of the vehicle. A holding body (37) for holding the spare tire in a substantially horizontal state;
A winch device that is connected to the holding body (37) via a wire and has a hoisting portion that allows a hoisting and turning operation of a spare tire from the interior of the vehicle;
The upper end of the hoisting portion of the winch device extends through the floor panel so that the spare tire can be attached and detached from the vehicle interior, and is positioned in the vicinity of the side door in the lateral direction of the vehicle. 27) and the rear seat (28), and when operating the winch device, the rear seat (27) located immediately behind the front seat (27) and the front seat (27) A spare tire storage structure is provided in which a predetermined working space can be secured by being able to slide by a predetermined distance in the front-rear direction.

In a preferred embodiment, an exhaust pipe extending rearward from the engine is provided on the other side in the vehicle lateral direction from the spare tire, and the winch device is installed on the side door side in the vehicle lateral direction from the exhaust pipe.
In another aspect, a fuel tank is provided on the other side in the vehicle lateral direction from the spare tire, and the winch device is installed on the side door side in the vehicle lateral direction from the fuel tank.
In yet another aspect, the wire extending from the winch device toward the holding portion extends substantially horizontally from the winch device and hangs down toward the holding portion at a position spaced apart from the winch device in plan view. Spare tire storage structure characterized by that.
Further, a side frame extending in the front-rear direction is provided on the side door side of the floor panel, and the spare tire is held such that a part of the spare tire is positioned on the vehicle outer side in the vehicle lateral direction from the side frame. You may do it.
Further, in a preferred aspect, a side frame extending in the front-rear direction is provided on the side door side of the floor panel, and the winch device is installed so as to be located on the inner side in the vehicle lateral direction from the side frame.

Preferably, the spare tire is stored so as to be removable from a side surface on the side where the driver's seat is arranged in the lateral direction of the vehicle body.
In another preferred embodiment, the storage means comprises a winding wire for pulling the spare tire,
The length of the wire and the spare tire storage position are such that the tip of the spare tire protrudes from one side of the vehicle body in the maximum extension state of the wire, while the tip of the wire is in the released state and the rear wheel It is set so as not to interfere with the drive shaft.
In this case, the spare tire can be a temporary size.

Further, the storage means includes a winding wire for pulling the spare tire,
With respect to the vehicle lateral direction, it is desirable that the spare tire is stored at the storage position alongside the fuel tank, and a shielding member extending in the longitudinal direction of the vehicle body is disposed between the fuel tank and the spare tire.
In this case, the shielding member is an exhaust pipe extending rearward from the engine, and the exhaust pipe extends in the front-rear direction between the two in a positional relationship overlapping with the spare tire and the fuel tank when viewed in the horizontal direction. desirable.
In another preferred aspect, the storage means includes a winding wire for pulling the spare tire,
It is desirable that a fuel tank is disposed on the lower surface side of the floor along with the spare tire stored in the lateral direction of the vehicle body, and the rear end of the fuel tank is substantially coincident with the rear end of the spare tire in the stored state. .

  The said winding wire is set to the length which does not interfere with a rear-wheel or the differential for rear-wheels, even if a spare tire moves to the maximum back in the maximum extension state Tire storage structure.

In this case, it is preferable that a cover for forming a surface flush with the floor surface is provided on the operation portion of the storage means.
In a preferred embodiment, the winch device is arranged at a position spaced apart from the holding portion in plan view.
Further, the hoisting operation by the winch device is performed by engaging a handle with the winch device, and the engagement between the handle and the winch device is not possible unless the winding of the spare tire is completed.
The storage means includes a wire for winding up the spare tire, a holding unit that is attached to the tip of the wire and holds the spare tire,
A base body fixed integrally in a state where the operation unit and the holding unit are separated from each other;
With
The base body is fixed to the lower surface of the floor via a frame member.
In this case, preferably, the wire is accommodated in a space between the lower surface of the floor and the base body.
According to still another feature of the present invention, the spare tire is stored between the wheel bases of the vehicle,
A winch device for storing the spare tire in a predetermined position by winding a wire having a predetermined length;
There is provided a storage structure for a spare tire provided with a detecting means provided in a passenger compartment for detecting a completion state of winding of the wire.

In this case, it is desirable that the handle for winding the wire can be attached to and detached from the operation unit of the winch device only when the winding of the wire is completed.
According to a preferred aspect of the present invention, the vehicle is allowed to travel when a wire winding completion state is detected.
In this case, it is preferable to provide display means for displaying the winding completion state.
Further, the winding complete state can be detected based on the tension of the wire.
Preferably, a cap that covers the operation unit is provided.
According to the spare tire storage structure of the present invention, the spare tire is taken out from the side of the vehicle body. In the present invention, the spare tire can be released from its storage structure by a one-touch operation so that the spare tire can be taken out in as short a time as possible. In general, the work conditions for taking out the spare tire are not good. Therefore, it is better that the time required for taking out the spare tire is shorter. In this respect, since the spare tire can be released by a one-touch operation as in the present invention, the spare tire take-out operation can be shortened and the safety can be improved.

Moreover, in another aspect, since it has comprised so that completion of winding of the wire for hold | maintaining a spare tire can be confirmed in a vehicle interior, safety confirmation is easy.
The spare tire storage structure is designed to be removed from the side on which the side door is provided, so that an operator can easily enter and exit the vehicle interior using the door opening. This makes it easier to store. In particular, in the present invention, the operation of the wire can be performed from the passenger compartment, and the work becomes efficient. The spare tire storage structure is preferably provided on the driver's seat side. It is generally convenient to get out of the driver's seat and change tires.
Furthermore, in the present invention, since the winding wire is formed to a predetermined length, problems such as interference with other parts can be solved even when the winding operation is not performed properly. Further, since the exhaust pipe is arranged between the spare tire storage structure and the fuel tank arranged in parallel, there is no problem that the spare tire moves and interferes with the fuel tank.

  According to the present invention, it is possible to configure the spare tire storage device with a relatively simple configuration, and it is easy to confirm the restoration of the spare tire storage device when the spare tire is attached and detached. is there.

Hereinafter, the present invention will be described based on examples.
Referring to FIG. 1, there is shown an overall control block diagram of a spare tire storage device 1 according to one embodiment of the present invention.
The spare tire storage device 1 of this example is configured around a winch device 3 that winds up the spare tire 2. The winch device 3 includes a winding wire 4 that engages with the spare tire 2 and a handle 3 a that is detachably provided on the winding mechanism of the winch device 3. The winch device 3 includes a winch control device 5 for controlling the winch device 3, and the winch control device 5 includes a display device 6 for displaying a storage state of the spare tire. The operating state of the winch device 3 is displayed on the display device 6. The winch control device 6 is connected to a release switch 7 for releasing the winch device 3, and is also connected to an automatic transmission control device 8 and an engine control device 9, respectively. When the spare tire is rolled up and locked from the winch device 3, a lock signal is generated, and this signal is input to the winch control device 5. In this case, the tension or winding amount of the wire 4 is input from the winch device 3. When the release switch 7 is operated, the winch control device outputs a release signal to the winch device, loosens the wire 4 and releases the spare tire 2.

FIG. 2 shows a plan view of an underfloor portion of a vehicle that can be equipped with the spare tire storage device 1 of the present invention. FIG. 3 is an elevation view showing a state of the vehicle interior and under the floor of the vehicle. 2 and 3, an engine 11 is disposed between the front wheels 10, and a propeller shaft 12 extends rearward from the rear end of the engine 11 through the center of the vehicle. The rear end of the propeller shaft 12 is connected to a differential device 14 of the rear wheel 13. The differential device 14 distributes the engine power transmitted from the engine 11 to the propeller shaft 12 and transmits it to the rear wheel 13 via the rear wheel axle 15. A pair of side frames 16 extending in the front-rear direction are provided on the side of the vehicle.
A spare tire storage device 1 is provided between the wheel bases of the front and rear wheels 10 in the vicinity of one side, and a fuel tank 17 is provided on the other side at a position substantially aligned in the front-rear direction. Be placed. In this arrangement, the propeller shaft 12 extends in the front-rear direction between the spare tire storage device 1 and the fuel tank 17. In this case, the propeller shaft 12 extends rearward substantially straight. An exhaust pipe 20 further extends from the rear end of the engine 11, and the exhaust pipe extends slightly outward and rearward from the joint portion of the rear end of the engine 11 in a plan view, and thereafter, the spare tire storage device 1. Before the spare tire storage device 1 and bends outward again at a position past the spare tire storage device 1. Thereafter, a muffler extending substantially straight rearward in the vicinity of the rear wheel differential 14 and obliquely rearwardly extending rearward in the plan view and extending substantially rearwardly behind the right rear wheel 13 and then the exhaust pipe 20 is directed rearward. Open.

When the state of this piping is seen in the elevation view of FIG. 3, the exhaust pipe 20 extends rearward substantially horizontally from the connection portion with the engine 11 to the side of the spare tire storage device 1. Then, in the vicinity of the side portion of the spare tire 2, the spare tire storage device 1 that extends curvedly outward along the outer periphery of the spare tire 2 extends upward and passes the axle 15 of the rear wheel 13. It extends downward at the position where it is bent and slightly curves upward at a position on the rear end side of the rear wheel, and then extends horizontally rearward to be connected to the muffler 21. That is, in the structure of this example, the exhaust pipe 20 and the propeller shaft 11 are interposed between the fuel tank 17 and the spare tire storage device 1.
The front end of the side frame 16 is located immediately behind the bumper at the front end of the engine room. The front end of the side frame 16 extends slightly inward and rearward from the position, and comes closest to the rear end side of the front wheel. The spare tire storage device is positioned so as to extend straight rearward at the position of the rear end of the spare tire storage device. Then, it refracts slightly inward at the front of the rear wheel, passes through the position inside the rear wheel, and slightly refracts and extends outward at the position on the rear end side of the rear wheel, and then rearward at the rear position of the rear wheel. It extends straight toward. The pair of side frames 16 are connected by a plurality of cross members 18 extending in the lateral direction.

The shape of the side frame 16 in the vertical direction will be described with reference to FIG.
As described above, the front end of the side frame 16 is at a level located at the rear portion of the bumper 22, and extends substantially rearward from the position in the horizontal direction. Then, it curves downward at a position almost past the front wheel, and again extends in the horizontal direction at a position behind the front wheel. After that, it extends straight backward while maintaining almost the same level. A floor panel 23 is disposed above the side frame 16 to form a vehicle compartment 25 with the upper vehicle body 24. The front end of the passenger compartment 25 is partitioned by a cowl panel 26. The vehicle compartment 25 is provided with three rows of seats 27, 28, and 29 in the front-rear direction. An operation portion of the winch device 3 of the spare tire storage device 1 is located between the front seat (front seat) 27 and the center seat (rear seat) 28, and the operation portion of the winch device 3 includes A handle 3a is operably mounted from the passenger compartment side.

In the structure of this example, the front seat (front seat) 27 and the center seat (rear seat) 28 can be slid in the front-rear direction by a predetermined distance, whereby the handle of the winch device 3 can be moved. A predetermined work space can be secured so that the sheet does not get in the way during the operation of 3a. The spare tire 2 is stored in the horizontal direction close to the floor lower surface side of the vehicle. In the vehicle of this example, the right front seat (front seat) 27 is the driver's seat, and the driving handle 30 is provided at a position corresponding to this. A spare tire storage space is provided below the floor surface behind the driver's seat ( front seat) 27.
A front door 31 is provided on both sides of the front seat (front seat) 27 and a side door 32 is provided at least on the side of the driver's seat. The spare tire storage device 1 of this example is provided in the lower part of the floor surface 23 corresponding to the step position of the side door 31.

  Referring to FIGS. 4 and 5, the spare tire storage device of the present example includes a base plate 33 that extends horizontally in a substantially parallel manner below the floor panel 23. The base plate 33 and the floor panel 23 are fixed to the floor panel 23 via channel-type brackets 34 and 35 attached to the lower surface. In the space between the base plate 33 and the floor panel 23, a winding part of the winch device 3 is arranged, and the upper end side of the winding part unit passes through the floor panel 23 and faces the vehicle compartment side. ing. The wire 4 extends from the winding portion in the space between the base plate 33 and the floor panel 23 in parallel to the base plate 33 and the floor panel 23, and is separated from the winding portion. The wire 4 is passed through a guide tube 36 attached to the upper surface side of the base plate 33 and extends through the base plate 33 downward. A holding body 37 that is engaged with the spare tire 2 and is held in a retracted state is attached to the tip of the wire 4 at a position spaced from the winding portion. The holding body 37 is suspended from a through hole 38 of the wire 4 provided in the base plate 33. As shown in FIG. 5, the base plate 33 is provided with a contact portion that contacts the wheel portion 2 a of the spare tire 2 when the wire 4 is wound up and the spare tire 2 is in the retracted state. The spare tire 2 is held between the base plate 33 and the holding body 37 by the contact portion.

Referring to FIGS. 6, 7 and 8, details of the winch device 3 of the present example are shown. The winch device 3 includes a rotary shaft 40 for winding, an external gear 41 for winding attached to the rotary shaft 40, and an internal gear 42 that is loosely fitted to the rotary shaft 40 and integrated with the winding portion of the wire 4. It has. These gears 41, 42 are accommodated in a gear case 43, and the internal gear 41 is urged by a spring 44 attached to the gear case 43 in order to ensure engagement with the external gear 42.
In order to enable quick release of the winch device 3, the rotary shaft 40 is provided with a ratchet mechanism. The gear case 43 is provided with a fixing bracket 46 for attaching the gear case 43 to the floor panel 23 or other fixing member. The engaging portion of the handle 3a is engaged with the recess 40a of the rotating shaft 40. Both are provided with a known snap engagement mechanism 45.

  The holding body 37 engages with the periphery of the central opening of the wheel of the spare tire 2 and has an elongated upper support plate 48 having a base 47 through which the wire 4 passes and a disk-like shape coupled to the tip of the wire 4. And a lower support plate 49. A coil spring 50 is disposed between the upper and lower support plates so as to be extendable and contractible. When the winch device 3 is wound up as shown in FIG. 9, the spare tire 2 engaged with the holding body 37 is dragged by the wire 4 and is drawn toward the opening 33 a of the base plate 33. After that, when the wire 4 is wound up, the upper support plate 48 comes into contact. When the winding of the wire 4 further proceeds, the coil spring 50 contracts and the lower side of the wheel of the spare tire 2 is pushed upward by the spring force. The tire 2 is elastically held between the base plate 33 and stored. The length of the wire 4 is about 680 mm (in the case of a short wire in FIG. 10) when accommodating the normal tire 2a, and is slightly longer than this about 760 mm (in the case of the temporary tire 2b) (see FIG. 10). 10 for a long wire). FIG. 10 shows a movable range of the spare tire 3 when the spare tire 2 is engaged with the holding body 37 in the maximum wire extension state. As shown in the figure, the spare tire 2 does not interfere with the rear wheel or the rear wheel differential 14 even when the spare tire 2 has moved to the maximum rearward. Further, with respect to the lateral direction of the vehicle body, the spare tire 2 can be brought out completely from the side of the vehicle, so that the spare tire 2 can be easily attached and detached.

Next, control of the spare tire storage device 1 of the present invention will be described with reference to FIG.
As described above, the winch control device 5 is provided to control the winch device 3 of the spare tire storage device 1 of the present invention.
The winch control device 5 reads a signal from the release switch 7 and a signal from a sensor according to a known technique for detecting the wire length of the winch device 3 regarding the spare tire releasing operation of the spare tire storage device 1. (Step S1), it is detected whether or not the release switch 7 has been operated (Step S2). As for the operation for winding up the spare tire 2, a winch signal, that is, a hoisting signal is detected (step S1). In the release operation, when it is detected that the release switch 7 has been pushed to release the spare tire 2, a release signal is generated (step S3), and the lock of the ratchet device of the winch device 3 is released. Then, quick release of the wire 4 is performed. On the other hand, in the winding operation, the winding amount of the wire 4 is detected by a predetermined mark provided on the wire 4 by a sensor, and it is determined whether or not the winding amount of the wire has reached a predetermined amount. When the predetermined amount is reached and when the operation force exceeds a predetermined force, for example, 10 Nm, the operation of the power train is permitted (steps S4 to S7). On the other hand, if either the wire winding amount or the operating force has not reached the predetermined value, the lock signal is released (step S8), or the operation of the power train is prohibited (step S9), and the winding amount is displayed. (Step S10), the operation is repeated. As a result, the operation of the power train is not performed unless a lock signal is generated. Therefore, when the spare tire storage device 1 does not wind the wire 4 to a predetermined position, the vehicle is not started. Therefore, the safety of the vehicle can be improved.

For example, as long as the handle 3a of the winch device 3 is not wound up to a predetermined position, the engagement between the handle 3a and the winch device 3 may not be released. That is, in the state where the handle 3a is attached to the winch device 3, it is found that the spare tire 2 has not yet been attached / detached. Since the winding operation using the handle 3a is performed in the vehicle interior, the driver can check whether the handle 3a is attached to the winch device 3 without leaving the vehicle. This configuration is advantageous in that it is possible to easily confirm that the spare tire storage device 1 is disposed at a predetermined position without mounting electrical equipment.
In addition, as shown in FIG. 12, a cap 51 is provided to cover the installation part of the floor side handle of the floor so that the color of the cap is conspicuous so that the spare tire 2 can be stored depending on the presence or absence of the cap 51. It may be confirmed whether the device is in a predetermined state.

The block diagram which shows the control system of the spare tire storage apparatus concerning one Example of this invention, The top view which shows the layout under the floor of the vehicle which can apply this invention, FIG. 3 is an elevation view illustrating a state of the interior of the vehicle and the lower part of the vehicle body of FIG. The top view of the winch device used for the spare tire storage device of the present invention, AA sectional view of the winch device of FIG. A plan view showing a rotating gear of the winch device, The figure which shows the state of the wire of a winch apparatus, and the cross section of a holding part, BB sectional view of FIG. Schematic sectional view showing the spare tire released and stored, Explanatory drawing showing the movement range of the spare tire, The flowchart which shows one example of control of a winch apparatus, It is explanatory drawing of the cap of a winding apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Spare tire storage device 2 Spare tire 3 Winch device 4 Winding wire 3a Handle 5 Winch control device 6 Display device 7 Release switch 8 Automatic transmission control device 9 Engine control device 10 Front wheel 11 Engine 12 Propeller shaft 13 Rear wheel 14 Differential device 15 Rear wheel axle 16 Side frame 17 Fuel tank 18 Exhaust pipe 23 Floor panel 33 Base plate 37 Holding body.

Claims (14)

The spare tire is held in a substantially horizontal state on the floor lower surface side between the wheel bases of the vehicle so that the vehicle can be taken out from a side portion of the vehicle to a predetermined storage position provided in the vicinity of the side door on one side in the lateral direction of the vehicle. A holding body (37);
A winch device that is connected to the holding body (37) via a wire and has a hoisting portion that allows a hoisting and turning operation of a spare tire from the interior of the vehicle;
The upper end of the hoisting part of the winch device extends through the floor panel so that a spare tire can be attached and detached from the passenger compartment, and is located near the side door in the lateral direction of the vehicle,
When the winch device is operated, the front seat (27) is located between the front seat (27) and the rear seat (28) located immediately behind the front seat (27) in the vehicle longitudinal direction. 27) A spare tire storage structure characterized in that a predetermined working space can be secured by allowing the rear seat (28) and the rear seat (28) to be slidable by a predetermined distance in the front-rear direction.   In claim 1, an exhaust pipe extending rearward from the engine is provided on the other side in the vehicle lateral direction from the spare tire, and the winch device is installed on the side door side in the vehicle lateral direction from the exhaust pipe. Spare tire storage structure.   2. The spare tire according to claim 1, wherein a fuel tank is provided on the other side in the vehicle lateral direction from the spare tire, and the winch device is installed on the side door side in the vehicle lateral direction from the fuel tank. Storage structure.   The wire extending from the winch device toward the holding portion extends substantially horizontally from the winch device and hangs down toward the holding portion at a position spaced apart from the winch device in plan view. Spare tire storage structure characterized by.   2. The side frame according to claim 1, wherein a side frame extending in the front-rear direction is provided on the side door side of the floor panel, and a part of the spare tire is positioned on the vehicle outer side in the vehicle lateral direction from the side frame. A spare tire storage structure characterized by being retained.   In Claim 1, the said side door of the said floor panel is provided with the side frame extended in the front-back direction, and a winch apparatus is installed so that it may be located in a vehicle horizontal direction inner side from a side frame. Spare tire storage structure.   2. The spare tire storage structure according to claim 1, wherein the spare tire is stored so as to be removable from a side surface on the side where the driver's seat is arranged in the lateral direction of the vehicle body.   2. The length of the wire and the spare tire storage position according to claim 1, wherein the tip of the spare tire protrudes from the side of the vehicle in the maximum extension state of the wire, while the tip of the wire is in a released state. The spare tire storage structure is set so as not to interfere with the rear wheel drive shaft.   The spare tire storage structure according to claim 1, wherein the spare tire is a temporary size.   The spare tire according to claim 1, wherein the spare tire is disposed in a storage position alongside the fuel tank in a lateral direction of the vehicle, and a shielding member extending in the longitudinal direction of the vehicle body is disposed between the fuel tank and the spare tire. Spare tire storage structure characterized by.   2. The exhaust pipe according to claim 1, wherein the shielding member is an exhaust pipe extending rearward from the engine, and the exhaust pipe extends in the front-rear direction between the two in a positional relationship overlapping with the spare tire and the fuel tank when viewed in the horizontal direction. Spare tire storage structure characterized by that.   2. The fuel tank according to claim 1, wherein a fuel tank is disposed on the lower surface side of the floor along with the spare tire stored in the lateral direction of the vehicle body, and the rear end of the fuel tank substantially coincides with the rear end of the spare tire in the stored state. Spare tire storage structure characterized by that.   In Claim 1, the said winding wire is set to the length which does not interfere with a rear-wheel or the differential for rear-wheels, even if it is a case where a spare tire moves back to the maximum in the maximum extension state. Spare tire storage structure characterized by.   2. The spare tire storage structure according to claim 1, wherein the winch device is disposed at a position spaced apart from the holding portion in a plan view.

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