JPH0655953U - Rear body structure - Google Patents

Abstract

(57) [Summary] [Purpose] To effectively reinforce the installation portion of the seat catcher with a simple structure and prevent the installation portion from being deformed. A rear vehicle body structure in which a closed cross section 16 extending in the vehicle width direction is formed by a front plate 6 of a package tray 4 provided at a rear end portion of a vehicle compartment and a package member 15 provided on a rear surface thereof. In addition, a side brace 19 that connects the closed cross section 16 and the installation portion of the suspension tower 2 is provided, and a package gusset 18 that connects the package member 15 and a side wall portion of the vehicle body including the rear pillar 1 is provided. The gusset 18 and the side brace 19 form a closed cross-section 26 that is continuous with the closed cross-section 16, and the side brace 19 supports an occupant seat.
8 is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a rear vehicle body structure in which a package tray is provided at a rear end portion of a vehicle compartment.

[0002]

[Prior art]

 Conventionally, for example, as disclosed in Japanese Utility Model Laid-Open No. 63-119180, a seat catcher is attached to the front end of a rear shelf (package tray) provided at the rear of a vehicle compartment, and a hook provided at the upper back of the rear seat is attached. In the rear body structure configured to support the upper portion of the rear seat by engaging with the seat catcher, the seat catcher is installed at the overlapping portion between the rear shelf and the rear shelf brace (package junction). As a result, the attachment strength of the seat catcher is improved.

[0003]

[Problems to be solved by the device]

 According to the configuration in which the seat catcher is installed at the overlapping portion of the rear shelf and the rear shelf brace as described above, the seat catcher can be installed without providing a reinforcing plate or the like on the back surface of the seat catcher installation portion. The mounting strength can be improved to some extent. However, because the rigidity of the parts other than the overlapping part is insufficient, when a large force that urges the rear seat forward acts due to the inertial force that acts at the time of a collision of an automobile, etc. There was a problem that it was not possible to prevent the rear shelf brace from being pushed forward and deformed.

The present invention has been made to solve the above problems, and effectively reinforces the seat catcher installation portion with a simple structure and prevents the installation portion from being deformed. The purpose is to be able to.

[0005]

According to a first aspect of the invention, a vehicle width is defined by a front plate of a package tray provided at a rear end of a vehicle compartment and a package member provided at a rear surface of a side end of the package tray. In a rear vehicle body structure having a closed cross section extending in a direction, a side brace that connects the closed cross section and the installation portion of the suspension tower is provided, and a package gusset that connects the package member and a side wall of the vehicle body. The package gusset and the side brace form a closed cross section that extends laterally continuously to the closed cross section, and the side brace is provided with a seat catcher mounting portion for supporting a passenger seat. Is.

According to the second aspect of the invention, the inner end of the side brace and the outer end of the front plate of the package tray are overlapped with each other, and the mounting portion of the seat catcher for supporting the occupant seat is attached to the overlapped portion. It is arranged.

[0007]

[Action]

 According to the first aspect of the present invention, the mounting portion of the seat catcher formed on the side brace is reinforced by the closed cross section, and the mounting portion is connected to the installation portion of the suspension tower through the closed cross section. It will be.

According to the second aspect of the invention, the seat catcher is attached to the two-sheet stacking portion formed by superposing the inner end portion of the side brace and the outer end portion of the front plate of the package tray.

[0009]

【Example】

 1 to 4 show an embodiment of a rear vehicle body structure according to the present invention. In the rear vehicle body, a rear pillar 1 provided on a side portion of the vehicle body, a suspension tower 2 and a wheel house 3 provided below the rear pillar 1, and a left and right side wall portion of the vehicle body including the rear pillar 1 are arranged in a vehicle width direction. And the package tray 4 installed so as to extend.

The package tray 4 has an upper plate 5 having a predetermined width and a front plate 6 provided at a front end portion of the upper plate 5, and the upper plate 5 has a predetermined working hole 7 formed therein. Has been. A package junction 9 having an opening 8 for installing a hinge bracket (not shown) is provided at a side end of the upper plate 5, and a side end of the upper plate 5 is provided through the package junction 9. Is configured to be connected to the rear pillar 1.

The front plate 6 of the package tray 4 includes a first vertical wall portion 10 extending downward from a front end portion of the upper surface plate 5, a horizontal portion 11 extending forward from a lower end portion thereof, and a front end portion thereof. The second vertical wall portion 12 extends downward. A package member 15 having a rear wall portion 13 facing the back surface of the second vertical wall portion 12 and a bottom wall portion 14 facing the lower surface of the horizontal portion 11 is disposed on the rear surface of the front plate 6. As a result, a closed cross section 16 extending in the vehicle width direction is formed (see FIG. 3).

That is, the upper end portion of the package member 15 is joined to the lower end portion of the first vertical wall portion 10 of the front plate 6, and the flange portion 17 provided at the front end portion of the package member 15 has the second portion. By being joined to the rear surface of the lower end portion of the vertical wall portion 12, a closed cross section including the horizontal portion 11 and the second vertical wall portion 12 of the front plate 6 and the rear wall portion 13 and the bottom wall portion 14 of the package member 15. 16 are formed.

In front of the package junction 9, a package gusset 18 that connects the package member 15 and the rear pillar 1 and a side brace 19 that connects the front plate 6 of the package tray 4 and the suspension tower 2 are provided. is set up . The package gusset 18 has a vertical wall portion 20 having an inner end portion joined to the front plate 6 of the package tray 4 and an outer end portion joined to the inner side surface of the rear pillar, and a lower end portion of the vertical wall portion 20. The bottom wall portion 21 is provided so as to project forward, and the outer end portion of the bottom wall portion 21 is joined to the upper end portion of the suspension tower 2.

The side brace 19 includes an upper wall portion 23 having a flange portion 22 joined to a vertical wall portion 20 of the package gusset 18, a front wall portion 24 extending downward from a front end portion thereof, and the suspension tower 2 described above. And a flange portion 25 joined to the upper surface of the. The upper wall portion 23 and the front wall portion 24 of the side brace 19 and the vertical wall portion 20 and the bottom wall portion 21 of the package gusset 18 make a closed side extending continuously to the closed cross section 16 to the side. A cross section 26 is formed (see FIG. 4).

Further, the vertical wall portion 24 of the side brace 19 is configured such that the inner end thereof is joined to the back surface of the second vertical wall portion 12 of the package tray 4, and the side brace 19 and the package tray are connected to each other. Mounting holes 28, which are the mounting portions of the seat catcher 27, are formed at the overlapping portions with 4 respectively. A hook (not shown) attached to the upper back surface of the rear seat is engaged with the seat catcher 27 so that the seat catcher 27 supports the upper part of the rear seat.

As described above, the side brace 19 that connects the closed cross section 16 formed by the front plate 6 of the package tray 4 and the package member 15 and the installation portion of the suspension tower 2 is provided. 19 and the package junction 18 form a closed cross-section 26 extending laterally continuously to the closed cross-section 16, so that the closed cross-sections 16 and 26 connecting the left and right suspension towers 2 to each other are formed on the front plate 6 of the package tray 19. Will be formed along. Therefore, the suspension tower 2 can be effectively reinforced by the members forming the closed cross sections 16 and 26, and the suspension tower 2 can be surely prevented from inclining due to the load input from the suspension member.

Further, the mounting portion of the seat catcher 27 including the mounting hole 28 formed in the side brace 19 is effectively reinforced by the closed cross sections 16 and 26, and the mounting portion is closed cross section 16. , 26 are connected to the installation portions of the left and right suspension towers 2 through 26, the rigidity of the attachment portion of the seat catcher 27 is sufficiently secured, and the seat catcher 27 can stably support the upper portion of the rear seat. it can.

That is, when an inertial force that urges the upper portion of the rear seat forward is applied in the event of an automobile collision, the inertial force is transmitted through the members forming the closed cross sections 16 and 26 to the suspension tower 2 The inertial force is transmitted to both the suspension tower 2 and the package tray 4 and effectively prevents the installation portion of the seat catcher 27 from being deformed according to the inertial force. However, this can prevent loss of bearing capacity of the resort.

Further, as described above, the inner end portion of the side brace 19 and the outer end portion of the front plate 6 of the package tray 4 are overlapped with each other, and the overlapped portion, that is, the side brace 19 and the front plate 6 of the package tray 4 are overlapped. When the seat catcher 27 mounting portion is provided at the two-sheet overlapping portion, the seat catcher 27 mounting strength is sufficiently secured, and the seat catcher 27 is set by the inertial force at the time of the collision. It is possible to reliably prevent the occurrence of the situation of detaching from the mounting portion.

[0020]

[Effect of device]

 As described above, the present invention provides the side brace that connects the closed cross section formed by the front plate of the package tray and the package member and the installation part of the suspension tower, and the side brace and the package junction are used to close the above. Since the closed cross section that is continuous to the cross section is formed and the left and right suspension towers are configured to be connected to each other by these closed cross section parts, this suspension tower installation part is effectively reinforced and the above suspension tower is loaded by the load input from the suspension member. It has the advantage that it can be prevented from falling inside.

Further, the mounting portion of the seat catcher formed on the side brace can be effectively reinforced by the closed cross section, and the mounting portion is connected to the installation portions of the left and right suspension towers through the closed cross section. Since the suspension tower reinforces the mounting portion of the seat catcher, the rigidity of the mounting portion can be sufficiently secured, and the upper portion of the rear seat can be stably held by the seat catcher. Therefore, both the suspension tower and the package tray stably support the inertial force that acts to urge the upper portion of the rear seat forward in the event of a vehicle collision, etc. It is possible to effectively prevent deformation depending on the power.

When the inner end of the side brace and the outer end of the front plate of the package tray are overlapped with each other and the seat catcher mounting portion is provided at this stacking portion, the seat catcher mounting There is an advantage that sufficient strength can be secured and the situation where the seat catcher is disengaged from the mounting portion due to inertial force at the time of the collision can be surely prevented.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a rear vehicle body structure according to the present invention.

FIG. 2 is an exploded perspective view of the rear vehicle body structure.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view taken along line BB in FIG.

[Explanation of symbols]

 1 Rear pillar (side wall of vehicle body) 2 Suspension tower 4 Package tray 6 Front plate 15 Package member 16,26 Closed cross section 18 Package gusset 19 Side brace 27 Seat catcher 28 Mounting hole (mounting part)

Claims (2)

[Scope of utility model registration request] 1. A rear vehicle body having a closed cross section extending in the vehicle width direction formed by a front plate of a package tray provided at a rear end portion of a vehicle compartment and a package member disposed at a rear surface of a side end portion of the package tray. In the structure, a side brace that connects the closed cross-section and the installation portion of the suspension tower is provided, and a package gusset that connects the package member and a side wall of the vehicle body is provided, and the package gusset and the side brace close the package. A rear vehicle body structure, characterized in that a closed cross section that continuously extends laterally is formed in the cross section, and a mounting portion for a seat catcher that supports an occupant seat is provided on the side brace. 2. An inner end portion of the side brace and an outer end portion of a front plate of the package tray are overlapped with each other, and a seat catcher mounting portion for supporting an occupant's seat is disposed in the overlapped portion. The rear vehicle body structure according to claim 1.