JP2001063468A - Vehicular tonneau cover device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate use of a tonneau cover device capable of being drawn out along the longitudinal direction by enabling the tonneau cover body to be automatically housed in and drawn out from a case in conjunction with the opening and closing operation of a back door. SOLUTION: The tonneau cover device is mounted on the back side of a rear seat 1, and is provided with a storage case 20, a tonneau cover body 21 which is wound up and housed in the storage case 20 so that it can be freely drawn out, and which can cover the upper opening of a luggage room 3, a tonneau cover side wire 40 which can be detachably mounted to the tonneau cover 21, and a back door side wire 50 which is connected to the back door 2 to be wound up around a winder 30. The tonneau cover body 21 can be automatically housed in or drawn out in conjunction with the opening or closing operation of the back door 2 through the back door side wire 50 and the tonneau cover side wire 40.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tonneau cover device for a vehicle, which covers an upper surface opening of a luggage room on a rear side of a rear seat.
The present invention relates to a vehicle tonneau cover device in which a tonneau cover is pulled out and stored automatically.

[0002]

2. Description of the Related Art Generally, in a vehicle in which a back door can be opened, either a drawer type tonneau cover device or a tonneau board whose rear end is lifted in connection with a back door is used in a luggage room behind a rear seat. Have been.

[0003] For example, as shown in FIGS. 30 and 31, a tonneau cover device 4 provided in a luggage room 3 defined between a rear seat 1 and a back door 2 is attached to the rear side of the rear seat 1. The tonneau cover main body 6 is pulled out from the storage case 5 to cover the upper opening of the luggage room 3, and the tonneau cover main body 5 is moved by the winding spring (not shown) inside the storage case 5.
It is wound up and stored.

[0004] Further, as shown in FIG.
Is connected to the back door 2 by a connecting rope 8, and as shown, when the back door 2 is opened,
With the front side edge 7a as a pivot point, the connecting rope 8
The rear side edge 7b connected to is lifted upward,
The luggage room 3 can be opened.

[0005]

As described above, in the conventional tonneau cover device 4 and tonneau board 7, for example, the tonneau cover device 4 is not connected to the back door 2, so that after the back door 2 is opened, Tono cover body 6
It is necessary to carry out luggage loading and unloading by storing the luggage in the storage case 5. After loading and unloading luggage, the tonneau cover body 5 is pulled out to cover the luggage room 3, and then the back door 2 is opened. The user was forced to perform cumbersome tasks such as closing, and the usability was not favorable.

In the tonneau board 7 linked to the back door 2, the rear edge 7b of the tonneau board 7 is lifted upward and the upper surface of the luggage room 3 is partially opened, but a large opening area cannot be secured. It does not work very well for loading and unloading luggage.

The present invention has been made in order to solve such a problem, and is a vehicle tonneau cover device in which a tonneau cover body is retractably wound and housed in a housing case attached to a rear seat rear side. In connection with the opening and closing operation of the back door, the tonneau cover body automatically slides in the pull-out direction or the accommodation direction, so that a tonneau cover device for a vehicle that can secure a large space for entering and exiting luggage without human intervention is provided. It is intended to provide.

[0008]

In order to achieve the above object, an invention according to claim 1 of the present application is a vehicle tonneau cover device for covering an upper surface opening of a luggage room provided on a rear side of a rear seat, comprising: The tonneau cover body is retractably wound and housed in a housing case provided on the back side of the tongue, and the tip of the wire of the winder arranged in the luggage room is connected to the back door, and the tonneau cover body is attached to this wire. By connecting the wire connected to the drawer end, the tonneau cover body slides in the direction in which the tonneau cover body is housed in the storage case in conjunction with the opening operation of the back door, and the tonneau cover body draws out in conjunction with the back door closing operation. It is characterized by sliding in the direction.

According to the first aspect of the present invention,
When the back door is opened, the wire on the back door connected to the back door is pulled out of the winder, and the tension of the wire on the tonneau cover attached to the leading end of the tonneau cover connected to the wire on the back door is pulled. Is loosened, and the tonneau cover body is slid in the housing direction by the winding spring in the housing case, so that the upper surface of the luggage room is opened.

On the other hand, when the back door is closed, the back door side wire connected to the back door is wound up by the winder, and the tonneau cover side wire connected to this back door side wire is also wound on the winder at the same time. By being taken
The drawing end of the tonneau cover body is pulled in the drawing direction, and covers the upper opening of the luggage room.

Therefore, the tonneau cover body is automatically pulled out from the housing case or housed in conjunction with the opening / closing operation of the back door.

According to a second aspect of the present invention, there are provided a luggage room having, on both side walls, a guide rail capable of slidingly supporting both sides of a tonneau cover body, a guide roller for guiding a wire from a winder, and a tonneau cover body. A guide roller for guiding a wire connected to the drawer side is additionally provided.

According to the second aspect of the present invention,
Since both sides of the tonneau cover body are guided by the guide rails, and a guide roller that supports the back door side wire and the tonneau cover side wire is provided,
The sliding operation of the tonneau cover main body can be smoothly performed in connection with the opening and closing operation of the back door.

[0014] The invention described in claim 3 of the present application is characterized in that the spring force of the winder is set to be larger than the wind force of the storage case.

According to the third aspect of the present invention,
Since the take-up force of the take-up device is set to be larger than the spring force of the take-up spring in the storage case, when the back door is closed, the tonneau cover body is pulled out in the pull-out direction by the take-up device spring force. The upper opening of the luggage room can be reliably closed.

The invention according to claim 4 of the present application is characterized in that the winder and the guide roller are integrated with the guide rail.

According to the invention described in claim 4,
Because the winder connected to the back door and the wire and the guide roller that guides each wire are integrated with the guide rails provided on both sides of the luggage room,
It can be easily installed in the luggage room and is advantageous for saving space.

According to a fifth aspect of the present invention, in the winding device, the winding portion for winding the wire on the tonneau cover connected to the leading end of the tonneau cover main body and the winding portion for winding the wire on the back door side are provided. It is characterized by being linked by gears.

According to the fifth aspect of the present invention,
As for the winder, the winding parts are linked by a gear,
When the back door is opened, the back door-side wire wound on the winding unit on one side of the winder is pulled out, and the tonneau cover-side wire wound on the winding unit on the other side is also pulled out. Thus, the tonneau cover body slides in the housing direction by the spring force of the winding spring in the housing case, and the luggage room is opened.

Similarly, if the back door is closed, the wire on the back door side is wound on the winding portion on one side, and the wire on the tonneau cover side is also wound on the winding portion on the other side. The tonneau cover body is pulled out.

The invention according to claim 6 of the present application is characterized in that a winding device in which winding portions are linked by gears is integrated with a guide rail.

According to the invention described in claim 6,
Since the winder is integrated with the guide rail, installation can be simplified and space saving is excellent.

According to a seventh aspect of the present invention, the two ends of the tonneau cover side wire are wound around the one winding portion in different winding directions, and the back door side wire connected to the back door is wound. The take-up and spring-biased winding portion on the other side is interlocked with the winding portion on the one side.

According to the seventh aspect of the present invention,
A wire having a different winding direction is wound around one of the winding portions, and a back door side wire connected to the back door is wound around the other winding portion, and the spring is urged. Since the configuration is such that the tonneau cover is wound, the winding force of the tonneau cover can be reduced, and the tonneau cover moves even when the tonneau cover body is removed, so that the wire does not become loose.

The invention described in claim 8 of the present application is characterized in that the stopping point between the tonneau cover side wire and the tonneau cover main body can be changed.

According to the eighth aspect of the present invention,
Since the stopping point can be changed, the degree of freedom in the set position of the winding section can be increased.

The ninth aspect of the present invention is characterized in that the winder is integrated with the guide rail.

According to the ninth aspect of the present invention,
Since the winding section is integrated with the guide rail, the mounting can be simplified and the space is excellent.

[0029]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle tonneau cover device according to the present invention will be described below in detail with reference to the accompanying drawings.

FIGS. 1 to 7 show a first embodiment of a tonneau cover device for a vehicle according to the present invention. FIG. 1 is an explanatory view showing the entire structure, and FIG. 2 is a connection structure between a winder and a wire. FIG. 3 and FIG. 4 are explanatory views of the linking operation between the back door and the tonneau cover main body in the tonneau cover device. 5 to 7 show a modification of the first embodiment of the vehicle tonneau cover device according to the present invention.
FIG. 6 is an explanatory view showing the relationship between the winder and the wire, and FIG.
FIG. 4 is an explanatory view showing a tonneau cover main body and a guide rail.

In FIG. 1, a vehicle tonneau cover device 10 is provided so that the upper surface opening of a luggage room 3 defined between a rear seat 1 and a back door 2 can be opened and closed. An accommodating case 20 attached to the rear side of the seat back of the rear seat 1,
A tonneau cover body 21 which is wound and housed in the housing case 20 and can be pulled out so as to cover an upper surface opening of the luggage room 3, a winder 30 disposed on the left and right sides in the luggage room 3, and a winder The tonneau cover-side wire 40 connected to the 30 wires 31 and the back door-side wire 50 similarly connected to the wire 31 of the winder 30 are generally configured.

More specifically, the take-up shaft of the tonneau cover body 21 is housed in the housing case 20, and the tonneau cover body 21 is housed in a state where the tonneau cover body 21 is urged by a spring (not shown) in the winding direction. It is housed in the case 20. Then, the tonneau cover body 21 is pulled out through the outlet 201 of the storage case 20, and the luggage room 3
The upper opening of the tonneau cover 21 is closed.
The hooks 2 are slidably fitted in guide rails 22 provided on both side edges of the luggage room 3 on both sides of the drawer end side.
The engaging portion 211 is engaged with the reference numeral 21.

The winding device 30 and the two types of wires 4
As shown in FIGS. 1 and 2, a hook 311 is formed at the end of the wire 31 of the winder 30, and the hook 311 is attached to one end of the tonneau cover-side wire 40. At the same time as attaching the portion 401, the attaching portion 501 on one end side of the back door side wire 50 is also attached to the hook 311.

Then, as shown in FIG.
Reference numerals 0 and 50 respectively denote the tonneau cover-side wire 40 via the guide rollers 41 and 51, the other end-side mounting portion 402 being attached to the leading end 212 of the tonneau cover main body 21, and the other end-side mounting portion 502 of the back door side wire 50. Is
It is connected to the back door 2.

When the back door 2 is closed, almost all of the wire 31 is wound by the winder 30 as shown in FIG. Tonneau cover side wire 40 and back door side wire 50 fixed to the hook 311
Is also drawn to a position near the winder 30.

At this time, the tonneau cover body 21
Is pulled out by the tonneau cover-side wire 40 attached to the draw-out end 212, and is held in a state in which most of the upper surface opening of the luggage room 3 is closed.

On the other hand, when the back door 2 is opened, the wire 31 of the winder 30 is pulled out via the back door side wire 50 connected to the back door 2 as shown in FIG. The tonneau cover side wire 40 is also pulled out from the winder 30, and the tonneau cover body 21 is wound and housed in the housing case 20 by the spring force of the biasing spring in the housing case 20. Therefore, the tonneau cover body 21 can be automatically accommodated and operated in conjunction with the opening operation of the back door 2, and there is no need to manually open and close the tonneau cover after opening the back door as in the related art, and it is easy to use. Excellent.

Next, FIGS. 5 and 6 show a modification of the first embodiment. In this modification, the winding device 3 is used.
The wire 31 and the back door-side wire 50 are integrated, and are divided into a winding portion 31a wound around the winder 30 and a free portion 31b at the stopper 312, and the hook 311 of the stopper 312 is formed. The tonneau cover-side wire 40 is engaged with the wire.

The winding portion 31a and the free portion 31b of the wire 31 and the tonneau cover side wire 40 are all set to the same length, and as shown in FIG. Is 5.0 kg, and the winding force of the biasing spring of the winding shaft housed in the housing case 20 is 3.0 kg.
It is set to 5 kg, and it is necessary to set the spring force of the winder 30 larger than the spring force of the storage case 20.
The dimensions of the wires 31a, 31b, 40 (a, a,
b, c) are set substantially the same.

Further, as shown in FIG.
The relationship between the tonneau cover body 2 and the tonneau cover body 21
By locking the first locking portion 211 to the hook 221 of the guide rail 22, both side edges on the front side of the tonneau cover body 21 can be slidably supported along the guide rail 22, and a smooth sliding operation can be expected.

FIGS. 8 to 10 show a second embodiment of a vehicle tonneau cover device 10 according to the present invention.
This is basically the same as the first embodiment, but is made compact in consideration of assembly and space.

That is, as shown in FIG. 8, the vehicle tonneau cover device 10 includes a housing case 20 attached to the rear side of the rear seat 1 and a tonneau cover body 21 wound and housed in the housing case 20. The winder 30 and the guide roller 41 are integrated with a guide rail 22 that supports both sides of the tonneau cover body 21.

Therefore, in the configuration shown in FIG. 8, the tonneau cover body 22 is pulled out and stored in connection with the opening / closing operation of the back door 2 in the same manner as in the first embodiment, but in the second embodiment. In the embodiment, since the take-up device 30 and the guide roller 41 are unitized with respect to the guide rail 21, there is an advantage that the total number of mounting steps can be simplified and the space property is excellent.

Further, as shown in FIG.
2 may accommodate both the guide roller 41 of the tonneau cover side wire 40 and the guide roller 51 of the back door side wire 50.

Further, as shown in FIG. 10, a winder 30 may be mounted on one end of the guide rail 22, and guide rollers 41 and 51 may be coaxially arranged on the other end of the guide rail 22. In this case, the winding device 30 is divided into a winding portion 30a corresponding to the back door-side wire 50 and a winding portion 30b for winding the tonneau cover-side wire 40. All that is required is to apply an urging force.

11 to 14 show a third embodiment of a vehicle tonneau cover device 10 according to the present invention. The same parts as those in the above-described embodiment are denoted by the same reference numerals.
The description is omitted.

In the third embodiment, as shown in FIGS. 11 and 12, the winding device 30 has a winding section 30a for winding the back door side wire 50 and a winding section for winding the tonneau cover side wire 40. The winding portion 30b meshes with the gears 32a and 32b, respectively, and the urging spring 33 is attached to the winding portion 30a for the back door-side wire 50.

Therefore, as shown in FIG. 13, when the back door 2 is opened, the wire 50 on the back door side is pulled out, so that the winding portion 30 of the winder 30 is wound.
13a rotates counterclockwise in FIG. 13 and the gears 32a and 32b are in mesh with each other, so that the winding portion 30b on the other side rotates clockwise in FIG. By being pulled out from the winding portion 30b, the tonneau cover body 21 is wound and stored in the storage case 20 by the spring force of the biasing spring in the storage case 20. Accordingly, in conjunction with the opening operation of the back door 2, the tonneau cover main body 21 is wound and housed in the housing case 20, and the luggage room 3 is automatically opened.

Conversely, if the back door 2 is closed,
As shown in FIG. 14, the winding unit 30a of the winding device 30 rotates clockwise, and the winding unit 30b rotates counterclockwise in FIG. 14, so that the tonneau cover side wire 40 is wound around the winding unit 30b. By being taken out, the tonneau cover body 21 is pulled out of the storage case 20 and closes the upper opening of the luggage room 3. Therefore, the tonneau cover main body 21 can be automatically pulled out in connection with the closing operation of the back door 3.

FIGS. 15 to 19 show a fourth embodiment according to the present invention. The winder 30 of the third embodiment described above is integrated with the guide rail 22 to make the structure compact. The feature is that

That is, as shown in FIGS. 15 and 16,
A bracket 34 for supporting the winder 30 is attached to the distal end side of the guide rail 22.
As shown in FIG. 17, the two winding portions 30a, 30
b is attached, and the winding unit 30
Gears 32a and 32b that mesh with each other are integrated with a and 30b, and a biasing spring 33 is attached to one of the winding portions 30b.

Therefore, as shown in FIG. 18, when the back door 2 is opened, the lower take-up portion 30a of the take-up device 30 rotates clockwise in FIG. Is rotated in the counterclockwise direction in the figure, and the tonneau cover side wire 40 is sent to the left side in the figure, so that the tonneau cover body 21 is wound up by the winding spring in the storage case 20, Backdoor 2
The tonneau cover body 21 is automatically accommodated in the case 20 in conjunction with the opening operation of.

Further, as shown in FIG.
The same function can be obtained by integrating the winding portions 30a and 30b coaxially and side by side with the guide rail 22 being integrated with the leading end side of the guide rail 22.

FIGS. 20 to 24 show a vehicle tonneau cover device according to a fifth embodiment of the present invention. As shown in FIGS. 403 and 404 are wound around the winding section 30b in different winding directions.
The back door-side wire 50 is wound around the winding unit 30a provided with the biasing spring 33, as in the above-described embodiment.

Then, the tonneau cover side wire 40 is connected to the guide rollers 41 a provided at both ends of the guide rail 22.
The back door 2 can be reciprocated along the guide rail 22 through 41b, and by engaging the locking portion 211 of the tonneau cover main body 21 with the stopper 42, as shown in FIG. The winding direction of the tonneau cover side wire 40 is adjusted so as to slide to the left in the drawing and conversely move to the right in the drawing when the back door 2 is closed.

According to this embodiment, the tonneau cover body 21 can be automatically slid in conjunction with the opening / closing operation of the back door 2, thereby improving the usability when loading and unloading luggage. In addition to the effect of the above-described embodiment, the tonneau cover-side wire 40 can bend even when the back door 2 is opened and closed with the tonneau cover-side wire 40 and the tonneau cover body 21 disconnected. Absent.

Further, as shown in FIG.
24 can be integrated with one end of the guide rail 22 to save space as a unit structure.
As shown in the figure, by adjusting the connecting portion (stop point) with the tonneau cover main body 21 arbitrarily, the tonneau cover main body 21 is adjusted.
Can be adjusted.

Next, as shown in FIGS. 25 to 27,
The winder 30 is provided on the back door side of the guide rail 22, and the guide roller 41 of the tonneau cover side wire 40 is provided on the other side, and the winding direction of the two ends 403, 404 of the tonneau cover side wire 40 is set in the winding portion 30b of the winder. The same effect can be obtained even if the wire is wound differently and linked with the winding portion 30a of the back door side wire 50 connected to the back door 2.

The take-up device 30 may be provided on the rear seat side of the guide rail 22 as shown in FIGS. 28 to 29, and as shown in FIG.
The connecting portion 1 may be attached to the tonneau cover side wire 40 located on the lower side.

[0060]

As described above, the vehicle tonneau cover device according to the present invention is linked to the opening and closing operation of the back door,
Since the tonneau cover body can be automatically pulled out or housed from the housing case attached to the rear seat back side, it is not necessary to open and close the tonneau cover manually after opening the back door as in the past,
There is an effect that loading and unloading of luggage into and out of the luggage room can be performed very easily, and usability is improved.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a configuration of a first embodiment of a vehicle tonneau cover device according to the present invention.

FIG. 2 is an explanatory diagram showing a relationship between a winder and a wire in the vehicle tonneau cover device shown in FIG. 1;

FIG. 3 is a configuration explanatory view showing a closed state of a back door in the vehicle tonneau cover device shown in FIG. 1;

FIG. 4 is a configuration explanatory view showing a state in which a back door of the vehicle tonneau cover device shown in FIG. 1 is opened.

FIG. 5 is an explanatory view showing a modified example of the vehicle tonneau cover device shown in FIG. 1;

FIG. 6 is an explanatory diagram showing the relationship between the winding force of the tonneau cover body, the winding force of the winder, and the length of each wire in the vehicle tonneau cover device shown in FIG. 1;

FIG. 7 is an explanatory view showing a relationship between a guide rail and a tonneau cover main body in the vehicle tonneau cover device shown in FIG. 1;

FIG. 8 is a side view showing a second embodiment of the vehicle tonneau cover device according to the present invention.

FIG. 9 is a side view showing a modified example of the vehicle tonneau cover device shown in FIG.

FIG. 10 is a plan view of the vehicle tonneau cover device shown in FIG. 8;

FIG. 11 is a configuration explanatory view showing a third embodiment of a vehicle tonneau cover device according to the present invention.

FIG. 12 is an explanatory view showing a configuration of a winder in the vehicle tonneau cover device shown in FIG. 11;

FIG. 13 is an explanatory view showing an open state of a back door in the vehicle tonneau cover device shown in FIG. 11;

FIG. 14 is an explanatory view showing a closed state of a back door in the vehicle tonneau cover device shown in FIG. 11;

FIG. 15 is an explanatory view showing a fourth embodiment of a vehicle tonneau cover device according to the present invention.

FIG. 16 is an explanatory diagram showing a configuration of a guide rail and a winder in the vehicle tonneau cover device shown in FIG.

17 is an explanatory diagram illustrating a configuration of a winder in the vehicle tonneau cover device illustrated in FIG. 15;

18 is an explanatory view showing a state in which a back door of the vehicle tonneau cover device shown in FIG. 15 is opened.

FIG. 19 is a perspective view showing a modification of the vehicle tonneau cover device shown in FIG.

FIG. 20 is a configuration explanatory view showing a fifth embodiment of a vehicle tonneau cover device according to the present invention.

FIG. 21 is an explanatory diagram showing a configuration of a tonneau cover-side wire in the vehicle tonneau cover device shown in FIG. 20;

FIG. 22 is an explanatory diagram showing a configuration of a winder in the vehicle tonneau cover device shown in FIG. 20;

FIG. 23 is a side view showing a modification of the vehicle tonneau cover device shown in FIG. 20;

FIG. 24 is an explanatory view showing a modification of the vehicle tonneau cover device shown in FIG. 20;

FIG. 25 is an explanatory view showing a modification of the vehicle tonneau cover device shown in FIG. 20;

FIG. 26 is an explanatory view showing a modification of the vehicle tonneau cover device shown in FIG. 20;

FIG. 27 is a plan view showing a modification of the vehicle tonneau cover device shown in FIG. 20.

FIG. 28 is an explanatory view showing a modified example of the vehicle tonneau cover device shown in FIG. 25.

FIG. 29 is a side view showing a modification of the vehicle tonneau cover device shown in FIG. 25.

FIG. 30 is a perspective view showing a conventional tonneau cover device for a vehicle.

FIG. 31 is a rear view showing a state where a back door is opened in a conventional vehicle tonneau cover device.

FIG. 32 is a side view showing a conventional back door articulated tonneau board.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rear seat 2 Back door 3 Luggage room 10 Vehicle tonneau cover device 20 Storage case 21 Tonneau cover main body 211 Locking part 212 Pull-out end 30 Winding device 30a, 30b Winding portion 31 Wire 32 Gear 33 Urging spring 34 Bracket 40 Wire on tonneau cover 41 Guide roller 401, 402 Mounting part 403, 404 Winding terminal 50 Back door side wire 501, 502 Mounting part 51 Guide roller

Claims (9)

[Claims] 1. A vehicle tonneau cover device for covering an upper surface opening of a luggage room provided on a rear side of a rear seat, wherein a tonneau cover body is retractably wound and housed in a housing case provided on a rear side of the rear seat. Opening the back door by connecting the tip of the wire of the winder arranged in the luggage room to the back door, and connecting the tonneau cover side wire connected to the drawing end of the tonneau cover body to this back door side wire. A tonneau cover device for a vehicle, wherein the tonneau cover body slides in a direction in which the tonneau cover body is housed in the housing case, and the tonneau cover body slides in a pull-out direction in conjunction with a closing operation of the back door. 2. A guide rail slidably supporting both side portions of the tonneau cover body on both side walls of the luggage room,
A guide roller for guiding the wire from the winder;
The tonneau cover device for a vehicle according to claim 1, further comprising a guide roller for guiding a wire connected to the tonneau cover main body withdrawal side. 3. The vehicle tonneau cover device according to claim 1, wherein a spring force of the winder is set to be larger than a wind force of the storage case. 4. A winder and a guide roller are integrated with a guide rail.
A tonneau cover device for a vehicle according to claim 1. 5. A take-up device for taking up a tonneau cover-side wire connected to a leading end of a tonneau cover body,
The tonneau cover device for a vehicle according to claim 2 or 3, wherein the winding portion that winds the back door-side wire is interlocked with a gear. 6. The tonneau cover device for a vehicle according to claim 5, wherein a winder in which the winding portions are linked by a gear is integrated with the guide rail. 7. The other end which is wound with one end of the tonneau cover side wire wound in one winding portion in a different winding direction, winds up the back door side wire connected to the back door, and is spring-biased. The tonneau cover device for a vehicle according to claim 1, wherein a winding portion on one side is interlocked with the winding portion on the one side. 8. The vehicle tonneau cover device according to claim 7, wherein a stop point between the tonneau cover side wire and the tonneau cover body can be changed. 9. The tonneau cover device for a vehicle according to claim 7, wherein the winder is integrated with the guide rail.