JP2005138805A - Rear body structure of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rear body structure of an automobile configured so that a tray 21 to accommodate objects is installed at an opening 1 formed in the floor panel 3 of the rear body of automobile, capable of facilitating mounting and removal of the tray 21, simplifying the assembly line, and enhancing the appearance of the rear body. <P>SOLUTION: The tray 21 is installed on the floor panel 3 in such a way as covering the opening 1 in the condition that it 21 is slided toward the body front side from a release part 9 in the body rear of the opening 1 and a seal tape 15 is interposed between the undersurface of the peripheral edge 29 of the tray 21 and the oversurface of the peripheral part 7 of the opening 1. A body reinforcing member 41 extending in the car width direction and blocking the release part 9 of the opening 1 is attachably/detachably installed behind the tray 21 to the rear body. A rear bumper 47 is installed behind the reinforcing member 41 to cover the reinforcing member 41. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a rear body structure of an automobile in which a tray for storing articles is provided in an opening formed in a floor portion of a rear body.

  Conventionally, in the rear body structure of this type of automobile, the tray is attached from above the opening so as to cover the rectangular opening of the floor. In this rear vehicle body structure, the peripheral portion of the opening of the floor portion and the peripheral portion of the tray are bonded with an adhesive to ensure airtightness, so that water bounced from the lower surface of the vehicle body does not enter the cargo compartment. .

Further, for example, as shown in Patent Document 1, in a rear body structure of an automobile, a part of a floor panel is recessed downward to provide a deep bottom-shaped luggage compartment, and is exposed rearward on an end panel inside a bumper. As described above, there is known a tray provided with a tray that is formed so as to be slidable in the front-rear direction in the cargo compartment through the outlet.
JP 2001-322500 A

  However, in the conventional rear body structure of an automobile, when the tray is attached to the opening of the floor portion, there is a tire house in the rear luggage compartment of the vehicle body, and the width in the vehicle width direction is small. It has to be inclined and inserted into the opening, and there is a problem that workability is poor.

  In addition, in order to fix the tray and ensure airtightness, the peripheral part of the opening of the floor part and the lower surface of the peripheral part of the tray are bonded, so a process of applying an adhesive to the assembly line of the automobile is necessary. The assembly line equipment becomes larger.

  Furthermore, in the thing of the said patent document 1, in order to put in and out a tray, a recessed part must be provided in a bumper lower part, and since the rear end part of the tray inserted in this recessed part can be seen, There is a problem that it looks bad.

  The present invention has been made in view of the above points, and the object of the present invention is to devise the configuration of the tray and the floor so that the tray can be easily attached and detached and the assembly line is simplified. The object is to provide a rear body structure of a car that looks good.

  In order to achieve the above object, in the present invention, the tray is configured to be slidable forward from the opening of the opening of the floor.

  Specifically, the invention of claim 1 is directed to a rear body structure of an automobile in which a tray for storing articles is provided in an opening formed in a floor portion of the rear body.

  Of the peripheral part of the opening part in the floor part, the rear side of the vehicle body is provided with an open part that is open, and the peripheral part that forms the outer periphery of the tray is for fastening the tray to the peripheral part of the opening part. A flange portion is formed, and the tray is configured to be slidable forward from the opening portion of the opening to the front of the vehicle body, and between the lower surface of the peripheral edge of the tray and the upper surface of the peripheral portion of the opening. A vehicle body reinforcing member extending in the vehicle width direction and closing the opening portion is detachably attached to the rear vehicle body at the rear of the tray. A rear bumper is attached to the rear vehicle body so as to cover the vehicle body reinforcing member behind the vehicle body reinforcing member.

  According to a second aspect of the present invention, at least the lower surface of the peripheral edge portion of the tray corresponding to the peripheral portion extending in the longitudinal direction of the vehicle body is inserted into the opening portion from above and engaged with the peripheral portion. The hook part protrudes.

  According to the first aspect of the invention, since the tray can be slid from the opening portion on the rear side of the opening portion to the front of the vehicle body and attached to the floor portion, the tray mounting operation is easy. Further, the tray can be removed by removing the rear bumper and the vehicle body reinforcing member from the rear vehicle body and sliding the tray backward, so that the tray can be easily removed. Further, a sealing material is interposed between the lower surface of the peripheral edge of the tray and the upper surface of the peripheral portion of the opening, and the tray is fixed to the floor portion by fastening the flange portion of the tray and the peripheral portion of the opening. Airtightness is ensured and no adhesive is required. This eliminates the need for an adhesive application facility, reduces facility costs, and simplifies the assembly line of the automobile. Furthermore, since the tray is fastened to the floor portion and fixed, the tray and the floor portion are firmly attached, and the tray can also serve as a reinforcing member for the vehicle body, and the tray is fixed to the floor portion with an adhesive. Compared to the case, the rigidity of the rear vehicle body can be improved. In addition, the vehicle body reinforcing member provided to maintain the rigidity of the open portion is covered with a rear bumper attached to the rear vehicle body, so that it looks good from the rear.

  Therefore, it is possible to obtain a rear-body structure of an automobile that is easy to attach and remove, and that has a simplified assembly line and that looks good.

  According to the second aspect of the present invention, since the tray can be attached to the floor portion by inserting the hook portion into the opening portion from above, the tray can be attached with simple work, and the hook portion is located around the opening portion. Since it is engaged with the portion, rattling of the tray can be prevented, and the number of fasteners such as bolts can be reduced as compared with the case without the hook portion. Therefore, it becomes easier to attach and remove the tray.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is an exploded perspective view of a rear body structure of an automobile according to an embodiment of the present invention. In this rear body structure, an opening formed by cutting a rear side of a floor panel 3 as a floor portion into a rectangular shape. 1 is provided with a tray 21 for storing articles.

  Of the peripheral part 7 forming the opening 1 in the floor panel 3, the rear side of the vehicle body is provided with an open part 9 that is open. That is, the rear panel structure of this embodiment is not provided with an end panel.

  As shown in FIG. 2, a bent portion 11 that is bent downward is provided at the inner peripheral side end of the peripheral portion 7 of the opening 1. A reinforcing channel 13 extending in the longitudinal direction of the vehicle body is attached to the rear surface of the peripheral portion 7 outside the bent portion 11. On the front side of the peripheral portion 7 where the channel 13 is provided, a sealing tape 15 as a sealing material having a foam layer is attached. The seal tape 15 may be attached to the tray 21 side.

  Through holes 17, 17,... Are formed in the floor panel 3 so as to be located outside the seal tape 15 and at a predetermined interval. A stepped portion 19 a of a stepped nut 19 is inserted into each through hole 17 so as to protrude from the lower side to the front side, and the stepped nut 19 is welded to the back surface of the floor panel 3. Further, as shown in FIG. 1, mounting bolts 43, 43 projecting rearward are provided at a portion located in the peripheral portion 7 of the opening 1 at the rear end of the floor panel 3.

  The tray 21 is made of a resin molded product, has a rectangular shape in plan view corresponding to the opening 1, has a container portion 23, 25 that is recessed downward and is divided into left and right parts. Of the container parts 23 and 25, the first container part 23 on the left side is formed deeper than the second container part 25 on the right side. On the left side and the front side of the first container part 23, a step part 27 having the same depth as the second container part 25 is formed continuously in an L shape in plan view. The tray 21 is attached to the floor panel 3 in a state where the front side and the right side portion of the stepped portion 27 and the second container portion 25 are placed on the peripheral portion 7 of the opening 1.

  A flange portion 31 for fastening the tray 21 to the peripheral portion 7 of the opening 1 is formed at a peripheral portion 29 that forms a U-shaped outer periphery in plan view excluding the rear side of the tray 21. In the flange portion 31, bolt insertion holes 33, 33,... Are formed so as to correspond to the through holes 17, 17,.

  As shown in FIG. 2, hook portions 35, 35,... Project from the bottom surfaces of the stepped portion 27 of the first container portion 23 and the second container portion 25 inside the bolt insertion holes 33, 33,. It is installed. The hook portions 35, 35,... Are located slightly inside the bent portion 11 of the peripheral portion 7 of the opening 1, and the flange portions 37, 37,. Is provided. For example, two hook portions 35, 35 are formed apart from each other between the two bolt insertion holes 33, 33 in the front-rear direction (one is shown in FIG. 2). The hook portion 35 is not provided on the lower surface of the tray 21 corresponding to the peripheral portion 7 on the front side in the left-right direction among the peripheral portions 7 of the opening 1. When the tray 21 is attached, the hook portions 35, 35,... Are inserted into the opening 1 from above, and the flange portions 37, 37,... Engage with the lower ends of the bent portions 11 of the peripheral portion 7. It is configured.

  As shown in FIG. 1, a vehicle body reinforcing member 41 that extends in the vehicle width direction and closes the opening 9 is attached to the rear vehicle body behind the tray 21. Bolt insertion holes 45, 45 are formed in the vehicle body reinforcing member 41 at positions corresponding to the mounting bolts 43, 43 of the floor panel 3. The mounting bolts 43, 43 are inserted into the bolt insertion holes 45, 45. After that, the nuts 46, 46 are screwed onto the mounting bolts 43, 43, so that the vehicle body reinforcing member 41 can be attached to and detached from the rear vehicle body.

  A rear bumper 47 is attached to the rear vehicle body behind the vehicle body reinforcement member 41 by attachment means (not shown) so as to cover the vehicle body reinforcement member 41.

  Next, a procedure for assembling the rear body structure of the automobile according to the embodiment of the present invention will be described. On the upper surface of the peripheral portion 7 of the opening 1 of the floor panel 3, a seal tape 15 is attached in advance. As shown in FIG. 1, first, the tray 21 is slightly lifted from the floor panel 3, that is, the hook portions 37, 37,... Of the hook portions 35, 35,. , The tray 21 is slid forward from the opening 9 side of the opening 1 toward the front of the vehicle body, and the bolt insertion holes 33, 33,... Of the tray 21 and the stepped nuts 19, 19,. To match.

  Next, as the tray 21 is pushed into the opening 1, the hook portions 35, 35,... Are inserted into the opening 1 from above, and the flanges 37, 37 are inserted into the bent portion 11 of the peripheral portion 7 of the opening 1. , ... are engaged.

  Next, the bolts 39, 39,... Are passed through the bolt insertion holes 33, 33,. In this way, the tray 21 is attached to the floor panel 3 so as to cover the opening 1 with the seal tape 15 interposed between the lower surface of the peripheral portion 29 of the tray 21 and the upper surface of the peripheral portion 7 of the opening 1. At this time, since the tightening of the bolt 39 is restricted by the upper surface of the stepped portion 19a of each stepped nut 19 coming into contact with the lower surface of the flange portion 31, the seal tape 15 is not excessively tightened.

  Next, the mounting bolts 43, 43 of the floor panel 3 are inserted into the bolt insertion holes 45, 45 of the vehicle body reinforcing member 41 so as to protrude from the rear end surface of the vehicle body reinforcing member 41, and then the vehicle body is inserted into the mounting bolts 43, 43. The nuts 46 and 46 are screwed from the rear to attach the vehicle body reinforcing member 41 to the rear vehicle body from the rear of the vehicle body.

  Finally, the rear bumper 47 is attached to the rear vehicle body by attachment means (not shown) so as to cover the vehicle body reinforcing member 41.

  Therefore, according to the rear body structure of the vehicle according to the embodiment of the present invention, the tray 21 can be attached to the floor panel 3 by sliding the tray 21 from the opening 9 on the rear side of the opening 1 to the front of the vehicle body. Installation work is easy. Further, the tray 21 can be removed by removing the rear bumper 47 and the vehicle body reinforcing member 41 from the rear vehicle body and sliding the tray 21 rearward, so that the tray 21 can be easily removed. Further, the seal tape 15 is interposed between the lower surface of the peripheral portion 29 of the tray 21 and the upper surface of the peripheral portion 7 of the opening 1, and the flange portion 31 of the tray 21 and the peripheral portion 7 of the opening 1 are connected to the bolt 39, Since the tray 21 is fixed to the floor panel 3 by fastening at 39,..., Airtightness is ensured and no adhesive is required. This eliminates the need for an adhesive application facility, reduces facility costs, and simplifies the assembly line of the automobile. Furthermore, since the tray 21 is fastened and fixed to the floor panel 3, the tray 21 and the floor panel 3 can be firmly attached, and the tray 21 can also serve as a reinforcing member for the vehicle body. Compared with the case where 21 is fixed to the floor panel 3, the rigidity of the rear vehicle body can be improved. Further, the vehicle body reinforcing member 41 provided to maintain the rigidity of the open portion is covered with the rear bumper 47 attached to the rear vehicle body, so that the appearance from the rear is good.

  Further, the tray 21 can be attached to the floor panel 3 by inserting the hook portions 35, 35,... Into the opening 1 from above, so that the tray 21 can be attached with simple operations and the hook portions 35, 35,. ... is engaged with the peripheral portion 7 of the opening 1 so that the tray 21 can be prevented from rattling, and the number of bolts 39, 39, ... can be reduced compared to the case without the hook parts 35, 35, .... be able to.

(Other embodiments)
The present invention may be configured as follows with respect to the above embodiment. That is, in the said embodiment, although the rear part of the floor panel 3 was notched into the rectangular shape and the opening part 1 was formed, it does not stick to a rectangular shape especially. In short, it is only necessary that the peripheral portion 7 is formed so that the tray can be slid from the opening portion 9 of the opening portion 1 to the front of the vehicle body.

  Moreover, in the said embodiment, although the tray 21 was divided into the 1st container part 23 and the 2nd container part 25 into right and left, it is good also as one container part, without dividing | segmenting. In this case, a stepped portion 27 having a U-shape in plan view may be provided along the peripheral portion 7 of the opening 1.

  The hook portion 35 may also project from the lower surface of the tray 21 corresponding to the peripheral portion 7 on the front side in the left-right direction among the peripheral portion 7 of the opening 1. Further, the hook portion 35, 35,. In this case, the number of bolts 39, 39,.

  Moreover, in the said embodiment, although the peripheral part 29 of the tray 21 protrudes upwards rather than the step part 27, the said peripheral part 29 is abbreviate | omitted and the flange part 31 and the step part 27 are flush. You may form so that it may become.

  As described above, the present invention is useful for a rear body structure of an automobile in which a tray for storing articles is provided in an opening formed in a floor portion of a rear body.

1 is an exploded perspective view showing a rear body structure of an automobile according to an embodiment of the present invention. It is the II-II sectional view taken on the line of FIG.

Explanation of symbols

1 Opening 3 Floor panel (floor)
7 Peripheral part 9 Open part 15 Sealing tape (sealant)
21 Tray 29 Peripheral part 31 Flange part 35 Hook part 41 Car body reinforcing member 47 Rear bumper

Claims (2)

A rear body structure of an automobile provided with a tray for storing articles in an opening formed in a floor portion of the rear body,
Of the peripheral part of the opening in the floor part, the rear side of the vehicle body is provided with an open part opened,
A flange portion for fastening the tray to the peripheral portion of the opening is formed on the peripheral portion forming the outer periphery of the tray,
The tray is configured to be slidable forward from the opening portion of the opening to the front of the vehicle body, and the opening is provided with a sealant interposed between the lower surface of the peripheral edge of the tray and the upper surface of the peripheral portion of the opening. It is attached to the floor part so as to cover the part,
A vehicle body reinforcing member that extends in the vehicle width direction and closes the opening portion is detachably attached to the rear vehicle body behind the tray, and a rear bumper covers the vehicle body reinforcing member behind the vehicle body reinforcing member. A rear body structure of an automobile, characterized in that is attached to the rear body. The vehicle rear body structure according to claim 1,
On the lower surface of the peripheral edge portion of the tray corresponding to at least the peripheral portion extending in the vehicle longitudinal direction among the peripheral portions of the opening portion, a hook portion that is inserted into the opening portion from above and engages with the peripheral portion is projected. A rear body structure of an automobile.

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