JP2000192693A - Rear portion extension structure for automotive - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rear portion extension structure for an automotive, which dispenses with complicated tent pitching works and removing works, is easily housed in the vehicle, can extremely easily form a closed sleeping space, the rear portion extension structure being inexpensive, extremely simple in construction, and excellent in strength, and being provided with a protruding floor, to thereby require no specific remodeling of the vehicle per se when installed. SOLUTION: The rear portion extension structure 1 of an automotive vehicle has a tent sheet 3 having one end 3a thereof attached to a rear portion opening end 2a of the vehicle, a shape retaining frame attached to a portion close to the other end 3b thereof, for retaining the shape of the tent sheet 3, and an extendible floor 5 extending from a rear opening of the vehicle, wherein the shape retaining frame can be arranged at a desired location along an extending direction thereof. Further, the rear portion extension structure 1 includes a support frame arranged on a chassis floor, an extendible frame 12d extendibly supported by the support frame, and capable of reciprocating, a plate erected on the extendible frame 12d, and a leg portion supporting the extendible frame 12d extended out of the vehicle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rear extension structure of an automobile, such as a wagon equipped with a hatchback, in which a rearmost door is open and a space continuous with the interior of the automobile can be formed outside.

[0002]

2. Description of the Related Art Conventionally, a bedroom is formed by extending a floor at a rear portion of a car so as to have a sufficient length in a height direction and covering three open sides with a tent sheet.
Use the floor as a table to effectively utilize space even in a small place (for example, a parking lot at a campsite), and enjoy a more comfortable outdoor life in an extension that is continuous with the inside of the car. Various rear extension structures have been proposed.

[0003] For example, as such, there is an automobile 50 capable of extending a rear portion of a passenger compartment of Japanese Utility Model Publication No. 58-39941 shown in FIGS. 10 and 11. This car 5
Numeral 0 covers the three sides opened above the extended floor 51 with three fabrics 52a, 52b, 52c, and makes it possible to fasten the respective fabrics and the fabric and the floor with fasteners. And when not in use, the fabrics 52a, 52a
The b and 52c are respectively wound up and can be stored in the vehicle together with the back door 54. On the other hand, the extending floor 51 has a plurality of floor materials connected by hinges, and is configured to be foldable as shown in FIG.

[0004] In addition, FIG.
The rear body structure 60 of the vehicle disclosed in Japanese Patent Publication No.
The tent member 62, the rear opening 63, the back door 64, and the floor 61 are configured to be stuck when used by engaging the hook fitting 65 with the hook hole 66. And the floor 6 that extends
Reference numeral 1 denotes a folding type in which a plurality of floor materials are connected by a link mechanism, and the vehicle body 67 and the extending floor 61 are connected by hinges or connected by inserting them into a headrest pole opening.

[0005] Further, FIG.
No. 731 has a drawer table 70 for a vehicle in which a pull-out table 73 is stored in a table storage box 72 arranged on a floor surface 71 in the vehicle, and the table 73 is pulled out from the table storage box 72 when extended. Have been.

[0006]

[Problems to be solved by the invention]
The automobile 50 disclosed in Japanese Patent No. 39941 requires a fastener to fasten between the fabrics and between the fabric and the floor when attaching the tent, which is troublesome. In addition, there is a gap between the rear opening of the automobile and the fabric, and it is not a closed bedroom space that must prevent insects from entering. Further, although the means is not disclosed in the publication, it is difficult to attach the back door 54 to each fabric. On the other hand, since a plurality of floor members are connected to each other by hinges, the extending floor 51 needs to be formed of an extremely robust member to secure the strength of the connecting portion, and the manufacturing cost increases.

A vehicle rear body structure 60 disclosed in Japanese Utility Model Laid-Open Publication No. 2-32450 shown in FIG. 12 also includes a tent member 62, a rear opening 63, and a back door 64 when the tent is attached.
And the floor 61 must be hook-engaged with each other, which is extremely complicated. Further, when not in use, the tent member 62 must be folded and stored in the vehicle, which is bothersome and inferior in storage. Further, the extending floor 61 has substantially the same problem as the above-mentioned Japanese Utility Model Publication No. 58-39941.

In the drawer table 70 disclosed in Japanese Utility Model Laid-Open Publication No. 57-59731 shown in FIG. 13, a table storage box 72 must be arranged on a vehicle interior floor surface 71, particularly in relation to a rear seat or a third seat. The car itself has to undergo major remodeling.

The present invention solves these various problems and provides an inexpensive and convenient rear extension structure of an automobile. That is, the first object of the present invention is to provide a complicated tent sticking apparatus. No need for installation and removal work,
Another object of the present invention is to provide a rear extension structure of an automobile which has excellent storage stability in a vehicle and can easily form a closed bedroom space. A second object of the present invention is to provide a rear extension structure of an automobile having an extended floor which is inexpensive and has a very simple structure, has excellent strength and storage properties, and does not particularly require modification of the automobile itself for mounting. It is in.

[0010]

Means for Solving the Problems The first object of the present invention is to provide a tent sheet having one end attached near the rear opening edge of an automobile, and at least an end near the other end of the tent sheet. A frame for retaining the form of the tent sheet attached thereto, and an extension floor provided in a direction to extend the floor from a rear opening of the automobile, wherein the frame for form retention is arranged along the direction in which the floor extends. A rear extension structure of an automobile, wherein the rear extension structure can be arranged at a desired position.

[0011] It is preferable that the form holding frame is reciprocally movable along an extending direction of the floor. It is preferable that the form holding frame holds the form so that the tent sheet has an arched portion. It is preferable that the vicinity of the one end of the tent sheet is attached along an inner edge of a rear opening of the vehicle, and the tent sheet can be stored in the vehicle by moving the form holding frame toward the vehicle interior. . An in-vehicle fixing frame is provided near the one end of the tent seat, and the in-vehicle fixing frame is fixed to a seat belt attaching portion of a third seat provided at an inner edge of the rear opening of the vehicle. Is preferred.

[0012] Further, what solves the second problem is:
At least two support frames provided on the vehicle body floor and extending substantially along the extension direction; an extension frame supported removably by the support frame and capable of reciprocating along the substantially extension direction; A motor vehicle comprising: a plate provided on an outgoing frame or on the extending frame and the support frame; and a leg supporting the extending frame extending out of the vehicle. It is a rear extension structure. It is preferable that the support frame is fixed to a seat mounting portion provided on a vehicle body floor.

As described above, the rear extension structure of the automobile according to the present invention has a tent sheet attached near one end thereof along the rear opening edge of the automobile, and is attached near at least the other end of the tent sheet to hold the tent sheet. And a frame for maintaining the form. Since the form holding frame can be arranged at a desired position along the extension direction, when forming a bedroom space, the form holding frame on which the tent sheet is attached in advance may be moved. The installation work and the removal work are not necessary, and when storing the form in the vehicle, the form holding frame may be moved to the vehicle inside, and a simple and closed space is formed very easily.

[0014] The rear extension structure of the vehicle according to the present invention includes:
The extension floor is composed of at least two support frames provided on the vehicle body floor, an extension frame supported removably supported by the support frame and reciprocally movable, and a plate provided on the extension frame and the like. As a result, the extension floor is excellent in strength and storability, and the extension floor can be formed easily and inexpensively without modification of the automobile itself when mounting.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a rear extension structure of an automobile according to the present invention. As shown in FIG. 5, the rear extension structure 1 of the vehicle according to this embodiment includes a tent sheet 3 to which one end 3a is attached near the rear opening edge 2a of the vehicle and at least a vicinity of the other end 3b of the tent sheet 3. A form holding frame 4 for holding the form so that the attached tent sheet 3 has a substantially arched portion, and an extension floor 5 provided in a direction to extend the floor from the rear opening 2 of the vehicle, The frame 4 is configured to be able to reciprocate along the extension direction (the arrow direction in the figure). Hereinafter, each configuration will be sequentially described in detail.

The tent sheet 3 is for covering the upper surface, both sides, and the rear surface of the extension. The tent sheet 3 and the extension floor 5 form a closed bedroom space at the rear of the automobile. As a material for forming the tent sheet 3, a resin material having a waterproof function is preferably used.

The vicinity of one end 3a of the tent sheet 3 is attached along the rear opening edge 2a of the automobile as shown in FIG. Thereby, a closed space can be formed without forming a gap between the rear opening 2 of the automobile and the tent sheet 3.

The tent sheet end 3a may be attached to the rear opening edge 2a of the automobile by any method as long as no gap is formed between them.
As shown in FIG. 6, one end 3a of the tent sheet 3 extends along the inner edge (upper edge and inner side edges) of the rear opening 2 of the automobile as shown in FIG. It is preferable to use a method in which both sides are attached. Thereby, the rear opening 2 of the automobile and the tent sheet 3
Can reliably be prevented from forming a gap therebetween, and a closed bedroom space in which insects and the like do not enter can be easily formed.

Specifically, one end 3a of the tent sheet 3
Is mounted on an in-vehicle fixing frame 6, and the in-vehicle fixing frame 6 is attached to a rear opening 2 of the automobile, and a seat belt mounting portion 20 of a third seat provided at an inner edge of the vehicle.
a, 20b, the one end 3a of the tent sheet 3 is attached to the rear opening edge 2a of the automobile. As described above, when the one end 3a of the tent seat 3 is attached, the seat belt attachment portions 20a, 20 of the third seat are attached.
By using Ob, one end 3a of the tent sheet 3 can be attached to the vehicle body (inside the vehicle in this embodiment) without any modification of the vehicle body itself.

More specifically, the vehicle interior fixing frame 6
Is formed substantially in a gate shape larger than the rear opening edge 2a of the automobile, and one end 3a of the tent sheet 3 surrounds the in-vehicle fixing frame 6 and is attached by a hook-and-loop fastener (not shown). On both sides of the in-vehicle fixing frame 6, extending portions 6a each having a bolt insertion hole 6b at the end are provided, and the cap and the bolt of the seat belt attaching portion 20 of the third seat are removed. By fixing the bolt insertion hole of the mounting portion 20 itself and the bolt insertion hole 6b with the bolts in a corresponding state, the in-vehicle fixing frame 6 holding the one end 3a of the tent sheet 3 is attached to the vehicle body. I have.

On the back side of the tent sheet 3, FIG.
As shown in the figure, fasteners 7 are provided on both sides and a lower side, and can be freely opened and closed. And
When the fastener 7 is opened, a person can enter and leave the vehicle. When the vehicle is stored in the vehicle, as shown in FIG. 7, the converged form holding frames 4a, 4b, 4c, 4d and the upper side of the vehicle interior fixing frame 6 are provided. The back side of the tent sheet 3 can be wound.

The shape holding frame 4 is provided with an extension floor 5
This is for forming a three-dimensional space above, and retains the form so that the tent sheet 3 has a substantially arched portion as shown in FIG. The form holding frame 4 is attached to at least the vicinity of the other end 3b of the tent sheet 3 and makes the tent sheet 3 extendable and contractible by moving the form holding frame 4 in the extension direction.

In the present application, the arch type is a concept that broadly includes a form substantially corresponding to the rear opening 2 of the automobile, and holds the tent sheet 3 in a gate type (flat arch type) form as in this embodiment. Other than those, semicircular arch type,
A horseshoe arch type, a lancet arch type, or an ogee arch type is included.

The form retaining frame 4 is preferably formed smaller than the rear opening 2 of the vehicle as in this embodiment, so that it can be easily stored in the vehicle when not in use, as shown in FIG. can do.

Further, at least one form holding frame 4 may be provided near the other end 3a of the tent sheet 3, but in order to form a more formally good bedroom space, as in this embodiment. And a plurality of form holding frames 4
a, 4b, 4c, and 4d are preferably provided (see FIG. 1). And these form holding frames 4
a, 4b, 4c, and 4d are separately attached to the tent sheet 3.

The attachment of the form holding frame 4a to the other end 3b of the tent sheet 3 is the same as the method of attaching the in-vehicle fixing frame 6 and the one end 3b of the tent sheet 3 described above. Frames 4b, 4c, 4
As shown in FIG. 4, the attachment of d to the tent sheet 3 is performed as follows.
The inner surface of the tent sheet 3 is sewn on the inner surface of the tent sheet 3 with one end 8a sewn on the inner surface and the long side portion 8 for attaching a frame having a hook-and-loop fastener 8c on the other end 8b surrounds the form holding frames 4b, 4c, 4d. The hook-and-loop fastener 3d and the hook-and-loop fastener 8c which are sewn on the surface are engaged with each other.

The extension floor 5 is a floor portion provided in a direction in which the floor extends from the rear opening 2 of the vehicle, and is constituted by an extension frame 12 and a plate 13 provided on the upper portion thereof, as described later. I have.

In the rear extension structure of the vehicle according to the present invention, the shape retaining frames 4a, 4b, 4c, 4d are configured to be sequentially arranged at desired positions along the extension direction. Specifically, in this embodiment, as shown in FIG.
At the lower end portions on both sides of the shape holding frames 4a, 4b, 4c, 4d, there are formed arrangement portions 9 which are bent inward and are provided with guide frame engaging portions 9a at the distal ends, respectively. As shown in FIG. 8, the extending frames 12a, 1c are respectively provided outside the frames 12a, 12c.
Guide frames 15a and 15b are detachably mounted along 2c.

Then, the shape holding frames 4a, 4b,
4c and 4d are shown in FIG. 5 by appropriately changing the engagement location between the guide frame 15 and the guide frame engagement portion 9a.
As shown in (1), they can be sequentially arranged at desired positions along the extension direction. Specifically, the frame 4 for retaining the form
As shown in FIG. 3, a, 4b, 4c, and 4d are arranged such that the arrangement portion 9 is inserted into a groove provided on the outer wall of the guide frame 15, and the guide frame 1 is engaged by the guide frame engagement portion 9a.
The stopper 9b is locked so as not to be detached from the outside of the guide frame 5, and is prevented from excessively entering the inside of the guide frame 15.
Are provided, and can be engaged with the guide frame 15. Then, the shape holding frames 4a, 4b,
4c and 4d are configured to be slidable in the back or front side in FIG. 3 in such an engaged state.

The shape holding frames 4a, 4b, 4
In order to further improve the operability, it is preferable that the members c and 4d can reciprocate along the extending direction of the floor. In this embodiment, the guide frame engaging portions 9a are also provided.
Can slide back and forth in the guide frames 15a and 15b, but the guide frame engaging portion may be constituted by a roller or the like that rolls in the guide frame. It is included in the category.

As described above, in the vehicle rear extension structure 1 of the present invention, the tent sheet 3 is
a, 4b, 4c, 4d
There is no need for complicated tent attaching and removing work,
If a tent is not required, the form holding frame 4
A, 4b, 4c, and 4d may be moved and stored in the vehicle, respectively, and the storage is excellent. On the other hand, when the bedroom space is formed, the shape holding frames 4a, 4b, 4c,
4d may be moved to the rear side, and the bedroom space can be formed very easily.

The guide frames 15a and 15b are
As shown in FIG. 8, the tent is extended to the vehicle body floor 10, and when the tent is unnecessary, the form holding frame 4 is arranged along the guide frames 15 a and 15 b.
a, 4b, 4c, and 4d are configured to be moved inside the vehicle and stored in the vehicle.

Next, a floor structure which is another characteristic structure of the rear extension structure of the automobile according to the present invention will be described with reference to an embodiment shown in the drawings. The rear extension structure 1 of the vehicle according to this embodiment includes at least two support frames 11 provided on a vehicle body floor 10 and extending substantially along an extension direction.
An extension frame 12 supported so as to be able to be pulled out by the support frame 11 and reciprocally movable substantially along the extension direction, and a plate provided on the extension frame 12 or on the extension frame 12 and the support frame 11 13 and legs 14 for supporting the extension frame 12 extending out of the vehicle. Hereinafter, each configuration will be sequentially described.

The support frame 11 is for supporting an extension frame 12, which will be described later, and is provided on the vehicle body floor 10 as shown in FIG. And at least two support frames 11a and 11b.

Specifically, the support frame 1 of this embodiment
1 is a support frame 11a, a support frame 11b,
It is composed of a reinforcing frame 11c for connecting the supporting frames 11a and 11b, and a reinforcing frame 11d provided between the supporting frames 11a and 11b and extending substantially in parallel with the supporting frames.

The support frames 11a and 11b are
Seat mounting portions (second seat mounting portions in this embodiment) 21a and 21b provided on the vehicle body floor 10 are respectively fixed. More specifically, the support frame 1
On the front side (upper side in FIG. 8) of 1a, 11b, stays 16a, 16 provided with bolt insertion holes 17a, 17b at the tip end.
b are provided integrally with each other, and the support frame 1
When fixing 1a and 11b to the vehicle body floor 10, the caps and bolts of the second seat mounting portions 21a and 21b are removed, and the bolt insertion holes of the mounting portions 21a and 21b themselves correspond to the bolt insertion holes 17a and 17b, respectively. It is configured to be attached to the vehicle body floor 10 by attaching it with bolts in the state where it has been made. Thus, when the support frame 11 is mounted on the vehicle body floor 10, no modification of the vehicle itself is required.

The extension frame 12 is a portion for forming the extension floor 5, is supported by the support frame 11 so as to be able to be pulled out, and is configured to be able to reciprocate substantially along the extension direction.

More specifically, the extension frame 12 of this embodiment includes an extension frame 12a provided so as to be inserted into the support frame 11a and an extension frame provided so as to be inserted through the support frame 11b. Frame 12c and extension frame 12 provided so as to be inserted through reinforcing frame 11d.
b, and a drawing frame 12d provided at the rear end of the extending frames 12a, 12b, 12c and extending in a direction orthogonal to the drawing frames. Further, the drawing frame 12d is located near the center of the rear end face. And a grip portion 12e that is gripped when the extension frame 12 is pulled out of the vehicle or stored in the vehicle.

The extension frame 12 is configured to be movable in the direction of the arrow shown in FIG. 9, and when stored in a vehicle, as shown in FIG.
The extension frames 12a, 12c, and 12b are inserted and stored in the reinforcement frame 11b and the reinforcement frame 11d, respectively. On the other hand, when the extension floor 5 is installed by being pulled out of the vehicle, as shown in FIG.
Only the leading ends of the supporting frames 12b and 12c are supported by the supporting frames 11a and 1c.
1b and the reinforcing frame 11d.

However, the extension frame 12 of this embodiment
a, 12b, and 12c can be inserted into the support frames 11a, 11b and the reinforcing frame 11d. On the contrary, the support frames 11a, 11b and the reinforcing frame 11d can be inserted into the extending frames 12a, 12b, 12c.
It may be insertable inside.

The plate 13 is used to form a table base for forming a table or a floor surface for forming a bedroom space. The plate 13 is provided on the extension frame 12 or the extension frame 12 and On the support frame 11,
It is installed in a direction substantially perpendicular to them.

Specifically, the plate 13 of this embodiment
Is a plate 13 divided into five pieces as shown in FIG.
a, 13b, 13c, 13d, and 13e, which are sequentially placed and spread from the front end side (upper side in the figure) to form a floor having a length equal to or greater than the height of a person. .

The plate 13 is preferably divided into a plurality of parts in consideration of the in-vehicle storage capacity when not in use as in this embodiment. Particularly, even when a third seat is used, the plate 13 is loaded behind it. More preferably, it is divided into a size that can be stored. As a material for forming the plate 13, any material may be used as long as it is thinner and has a strength enough to withstand the load even when a plurality of people ride on the upper part. Since it serves as a floor, it is more preferable to have a certain degree of heat retention and cushioning function. In this embodiment, a plywood in which a wooden sheet is covered with a cloth sheet is used.

The leg portion 14 is connected to the extension frame 12 (specifically, in this embodiment, the extension frame 1 extending outside the vehicle).
2d), and two support bars 14a, 14b which can be erected on the ground as shown in FIG.
The frame fitting portions 14c and 14d, which are provided at their upper ends and open upward, have a substantially U-shaped cross section. When the extension frame 12d of the extension frame 12 is to be supported on the ground, the load is secured by bolts with the extension frame 12d fitted in the frame fitting portions 14c and 14d. It is configured to be supportable.

The guide frames 15a and 15b are provided so that the shape holding frames 4a, 4b, 4c and 4d can be arranged at desired positions. As shown in FIG. 8, the extension frames 12a and 12b are provided. Are detachably arranged outside the.

Specifically, the L-shaped first frame having a bottom surface and an upright surface is provided on the drawing frame 12d in front of the drawing frame 12d and outside the extending frames 12a and 12c. Guide frame erection parts 22a, 22b
Are provided (see reference numeral 22 in FIG. 3). On the other hand, outside the support frames 11a and 11b, T-shaped second guide frame erection portions 23a and 23b having a bottom surface and an upright surface are provided, respectively, and the guide frames 15a and 15b are respectively provided. The first guide frame erection portions 22a and 22b and the second guide frame erection portions 23a and 23b are configured to be able to be installed on L-shaped inner portions formed by the rising surface and the bottom surface.

As described above, the rear extension structure of the vehicle according to the present invention can easily fix the support frame to the vehicle body floor without requiring modification of the vehicle itself, and does not hinder the installation of the third seat even in the fixed state. In addition, the extension frame
As shown in FIG. 9, when not in use, it is stored in the vehicle, so that it has excellent storage properties. Furthermore, since the plate is divided into a plurality of parts and can be loaded and stored behind the third seat, and is supported by being supported on a supporting frame or an extension frame, the load is carried by a connecting member such as a hinge. Without
A floor structure having excellent strength can be formed with an extremely simple structure.

Next, the rear extension structure 1 of the automobile of the present invention
How to use will be described. When using the rear extension structure 1 of the vehicle of the present invention, that is, when providing the extension structure at the rear of the vehicle, first, the drawer frame 12d
Is gripped, and the extension frame 12 is pulled out by pulling it toward the rear side of the vehicle (see FIG. 8).
Then, with the drawer frame 12d fitted in the frame fitting portions 14c and 14d of the legs 14, the extension frame 12 is firmly connected with bolts to support the extension frame 12 on the ground (see FIG. 7).

Next, after the guide frames 15a and 15b are attached to the outside of the extending frames 12a and 12c, respectively, the guide frame engaging portions 9a of the form holding frames 4a, 4b, 4c and 4d are respectively connected to the guide frames 1a and 1b.
5a, 15b, gripping the form retaining frame 4a, and pulling and sliding it toward the rear of the vehicle to cover three sides (both sides and above) of the extension as shown in FIG. . After that, the back door is slightly lowered to be positioned on the vehicle side of the shape maintaining frame 4a.
The inclination of the shape holding frame 4a toward the vehicle is suppressed, and the standing state is maintained.

Then, as shown in FIG.
a, 13b, 13c, 13d, 13e to support frame 1
1 and adjacently on the extension frame 12 to form a floor structure. Finally, the back side portion of the tent sheet 3 wound around the form holding frame 4 or the like is hung down and the fastener 7 is engaged to form a closed bedroom space (see FIG. 2).

When the extension floor 5 of the rear extension structure 1 of the vehicle of the present invention is used as a table, the extension frame 12 is pulled out and a plate 13 is erected adjacent to the extension floor 5. Thereby, the table can be easily formed. (See FIG. 7). Further, in the rear extension structure 1 of the automobile of the present invention, the support frame 11 is provided even during traveling.
A flat floor surface can be formed by arranging the plate 13 adjacently on the top, and it is also possible to use in such an embodiment.

On the other hand, when the rear extension structure 1 of the vehicle of the present invention is housed in the vehicle, the back door is lifted slightly upward to release the engagement of the shape holding frame 4a, and then the shape holding frame 4a, 4b, 4c and 4d are stored in the vehicle. Next, after the plate 13 and the guide frame 15 are sequentially removed, the leg portion 14 is pulled out of the drawing frame 12d.
Remove more. Then, the gripper 12 e of the drawer frame 12 d is gripped and pressed toward the front of the vehicle, and the extension frame 12 is stored in the support frame 11. further,
After winding the back side portion of the tent sheet 3 around the form holding frame 4 and the like, the plate 13 and the
The legs 14 and the guide frames 15 are loaded and stored. If other luggage is to be stored at the rear end of the vehicle, it may be placed on the plate 13 without impairing the function of the rear end of the vehicle as a carrier.

The vehicle rear extension structure of the present invention is
It can be widely used as long as the rear door (back door) is open and a space continuous with the inside of the car can be formed outside.
For example, it can be suitably used for a wagon vehicle or a van type vehicle provided with the hatchback shown in the embodiment. However, the present invention is not limited to a vehicle having a hatchback, but may be used for a vehicle having a back door which can be opened and closed on each side. However, when used in such a vehicle type, an upright state maintaining means of the form holding frame which is an alternative to the pressing and locking of the hatchback is required. As such an upright state maintaining means, any means can be used as long as the upright state of the form holding frame can be maintained.
For example, a method is conceivable in which locking means is provided on the drawer frame 12d so as to be able to stand up and hold the upright state of the form holding frame 4a. As shown in FIG. 3, the lower edge of the tent sheet 3 is wound around the extension frame 12, and the edge is disposed on the upper surface of the extension frame, and is pressed by the load of the plate 13. It is locked,
Instead, the tent sheet 3 may be attached up to the arrangement portion 9 of the form holding frame 4.

[0054]

According to the first aspect of the present invention, a complicated tent attaching and detaching operation is not required, the storage capacity in the vehicle is excellent, and a closed bedroom space can be formed very easily. According to the second aspect of the invention, in addition to the effect of the first aspect, the operability of the form holding frame can be further improved. According to the third aspect of the invention, in addition to the effects of the first and second aspects, it is possible to further improve the occupancy of the bedroom space and the storability in the vehicle. According to the invention described in claim 4, in addition to the effects of the above-described claims 1 to 3, it is not necessary to modify the automobile itself when mounting the tent structure. According to the fifth aspect of the present invention, the extended floor can be configured without any special modification of the automobile itself at the time of mounting, with an inexpensive and extremely simple structure having excellent strength and storability. According to the invention as set forth in claim 6, in addition to the effect of the above-described claim 5, it is not necessary to modify the automobile itself when installing the extension floor.

[Brief description of the drawings]

FIG. 1 is a schematic side view of one embodiment of a rear extension structure of an automobile according to the present invention.

FIG. 2 is a schematic rear view of the rear extension structure of the vehicle of the present invention shown in FIG. 1;

FIG. 3 is a partial sectional view taken along line AA of FIG. 1;

FIG. 4 is a partial cross-sectional view for explaining a structure for attaching a form holding frame to a tent sheet.

FIG. 5 is a schematic side view showing the operation of the rear extension structure of the vehicle of the present invention shown in FIG. 1;

FIG. 6 is a partial cross-sectional view taken along the line BB of FIG. 1 and is an explanatory view showing a mounting structure of an in-vehicle fixing frame in a rear extension structure of the vehicle of the present invention.

7 is a schematic rear view showing a state in which a tent sheet in the rear extension structure of the vehicle of the present invention shown in FIG. 1 is stored in the vehicle.

FIG. 8 is a schematic plan view illustrating a floor structure of the rear extension structure of the vehicle of the present invention shown in FIG. 1;

FIG. 9 is a schematic plan view for explaining the operation of the floor structure shown in FIG. 8;

FIG. 10 is a schematic perspective view of a conventional rear extension structure of an automobile.

11 is a schematic side view showing the operation of the rear extension structure of the vehicle shown in FIG. 11;

FIG. 12 is a schematic perspective view of a conventional rear extension structure of an automobile.

FIG. 13 is a schematic side view of a rear extension structure of a conventional automobile.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 rear extension structure of automobile 2 rear opening of automobile 2a edge of rear opening of automobile 3 tent sheet 3a one end of tent sheet 3b other end of tent sheet 4 form holding frame 5 extension floor 6 in-car fixing frame 6a extension section 7 Fastener 8 Frame mounting long side part 9 Arrangement part 9a Guide frame engaging part 9b Stopper 10 Body floor 11 Support frame 12 Extension frame 13 Plate 14 Leg 15 Guide frame 16 Stay 17 Bolt insertion hole 20 Third seat seat belt Mounting part 21 Seat mounting part 22 First guide frame erection part 23 Second guide frame erection part

Claims (6)

[Claims] 1. A tent sheet attached near one end thereof along a rear opening edge of an automobile; a form holding frame attached near at least the other end of the tent sheet for holding a form of the tent sheet; An extension floor provided in a direction to extend the floor from a rear opening of the vehicle, wherein the form maintaining frame can be arranged at a desired position along the extension direction of the floor. Extension structure. 2. The rear extension structure of an automobile according to claim 1, wherein the shape maintaining frame is reciprocally movable along an extending direction of the floor. 3. The vicinity of the one end of the tent sheet is attached along an inner edge of a rear opening of the vehicle, and the tent sheet can be stored in the vehicle by moving the form retaining frame toward the vehicle interior. Claim 1 or 2 which is
3. The rear extension structure of the vehicle according to 1. 4. In the vicinity of the one end of the tent sheet,
The vehicle interior fixing frame is provided, wherein the vehicle interior fixing frame is fixed to a seat belt attaching portion of a third seat provided at a rear opening inner side edge portion of the vehicle. The rear extension structure of the vehicle as described in the above. 5. An at least two support frame provided on a vehicle body floor and extending substantially along an extension direction, and an extension for extending and reciprocating along the substantially extension direction and supported by the support frame so as to be able to be pulled out. A frame, a plate provided on the extension frame, or on the extension frame and the support frame, and a leg supporting the extension frame extending outside the vehicle. Features a rear extension structure of a car. 6. The rear extension structure according to claim 5, wherein the support frame is fixed to a seat mounting portion provided on a vehicle body floor.