JP2565178Y2 - Seat riser rear member connection structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure of a seat riser rear member provided at a boundary between a cabin and a bed in a vehicle such as a truck.

[0002]

2. Description of the Related Art For example, in a cab-over type vehicle such as a truck, an underbody assembly including a side member, a pillar lower inner panel, and the like,
After separately assembling the back panel assembly that constitutes the upper part of the vehicle compartment, the vehicle body is often assembled by being connected to each other in the vertical direction.

[0003] The underbody assembly includes a back lower panel forming a rear surface of the lower portion of the vehicle body via body supports extending in the lateral direction of the vehicle body from side members disposed in the front and rear direction of the vehicle body on both sides of the lower portion of the vehicle body. It is roughly constructed by joining pillar lower inner panels and the like that form a part.

On the other hand, the back panel assembly is constructed by assembling a roof panel, a back panel, front and rear pillars and the like, and extends over the pillar at a lower rear portion connected to the underbody assembly. A seat riser rear member is arranged.

[0005] The seat riser rear member extends in the vehicle width direction at the rear portion of the vehicle compartment and includes an upper member and a lower member, for example, as described in Japanese Utility Model Application Laid-Open No. 2-71079. . The upper member and the lower member are joined at front and rear edges so as to form a closed cross-sectional structure in cooperation with the back panel. When assembling the back panel assembly and the underbody assembly, both end portions of the seat riser rear member are joined to a pillar lower inner panel or a back lower panel.

[0006]

[Problem to be solved by the present invention]
When connecting the assembly and the back panel assembly, the back panel assembly is positioned while being suspended from above with respect to the underbody assembly, and the seat riser rear member is attached to the pillar lower inner panel or the back lower panel. Connect by spot welding or bolting.

However, in the conventional connecting structure, there is a problem that the connecting strength between the seat riser rear member and the pillar lower inner panel or the back lower panel cannot be sufficiently secured in order to easily perform the connecting operation. That is, in order to easily perform welding or the like, the lower member end cannot be extended to the pillar lower inner panel, and the vicinity of the connection portion between the both ends of the seat riser rear member and the pillar lower inner panel or the back lower panel is open. Become.

For this reason, not only the connection strength between the seat riser rear member and the pillar lower inner panel or the back lower panel is reduced, but also the rigidity of the entire body is reduced.

Further, since the connecting operation is performed while positioning the back panel assembly while suspending it, the joining accuracy between the back panel assembly and the underbody assembly is difficult to be obtained.

The present invention was conceived in view of the above-mentioned circumstances, and in addition to increasing the connection strength between the back panel assembly and the underbody assembly, increasing the rigidity of the entire body, and further improving the connection. An object of the present invention is to provide a connection structure of a seat riser rear member which can easily perform positioning at the time of the above.

[0011]

The present invention employs the following means in order to solve the above-mentioned problems. That is, the present invention is closed and an upper and lower members which are joined along the leading edge portion extends in the vehicle width direction in the vehicle interior rear
A connecting structure of a seat riser rear member for joining a seat riser rear member having a cross section to a pillar lower inner panel or a back lower panel, wherein the seat riser rear member is connected to the pillar lower inner panel at both ends of an upper member of the seat riser rear member. The bent flange part is formed ,
At the rear upper part of the pillar lower inner panel, an upper connecting member is provided for receiving the upper member end of the seat riser rear member and joining the flange part, and
Position both ends of the lower member of the seat riser rear member
Do not overlap the upper connecting member in the vertical direction
On the other hand, the lower connection is joined to a corner of the pillar lower inner panel or the back lower panel, receives the lower member end of the seat riser rear member, and is joined to the front edge of the lower member. the member is provided, the upper communication
The upper member of the sheet riser rear member is
The lower member of the seat riser rear member is attached to the lower connecting member.
Each is joined as above, and the seat riser rear
The member, the upper connecting member, and the lower connecting member cooperate with each other.
To the pillar lower inner panel.
It is characterized by forming a structure .

[0012]

In the connecting structure of the seat riser rear member of the present invention, the seat riser rear member and the pillar lower inner panel or the back lower panel connect two connecting members of an upper connecting member and a lower connecting member. Connected via

[0013] The seat riser rear member was along the front edge includes an upper and lower members which are joined together closed
It has a planar structure, and a flange portion connected to the pillar lower inner panel is bent at both ends of the upper member.

The upper connecting member is provided at an upper rear portion of the pillar lower inner panel, and is configured to receive an end of the upper member and join the flange portion. In addition, the seat riser rear member
Both ends of the lower member are positioned above and below the upper connection member.
Are set so that they do not overlap in the same direction.

On the other hand, the lower connecting member is provided at a corner of the pillar lower inner panel or the back lower panel, and is configured to receive the lower member end and join the front edge thereof. Have been.

In the above connection structure, the upper member is connected to the pillar lower inner panel via the upper connection member, and the lower member is connected to the pillar lower inner panel or the back lower panel via the lower connection member.

Then, in the state of being connected as described above,
The seat riser rear member and the upper connecting member
The lower connecting member cooperates with the lower inner panel.
To form a continuous cross-sectional structure up to the vicinity of the connection with
ing. As a result, not only the connection strength is improved, but also the rigidity of the entire body is significantly increased.

[0018]And below the seat riser rear member
Positions of both ends of the member vertically above the upper connecting member
I try not to wrap,The upper connecting memberBut,
Supports the upper member end of the seat riser rear memberThen on
The lower connecting member is a lower member end of the seat riser rear member.
To underbody assembly
Back panel assembly
You. AndFlan extended from the upper member end
The joint is joined along the upper connecting member.Ruta
The seat riser rear member and the pillar lower
When connecting to the panel,
The end of the member or the flange is brought into contact with the upper connecting member.
Accurate positioning can be easily performed simply by combining them. This result
As a result, the workability of the connection work can be greatly improved.
At the same time, high connection accuracy can be ensured.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below.
This will be specifically described with reference to the drawings. In this embodiment, the present invention is applied to a connection structure of a seat riser rear member in a cab-over type vehicle such as a truck.

In a cab-over type vehicle, an underbody assembly in which side members, pillar lower inner panels and the like are assembled, and a back panel assembly forming the upper part of the cabin are separately assembled, and then these are vertically moved. Assembling work is performed by mutually connecting in the directions.

As shown in FIG. 1, an underbody assembly A according to the present embodiment is provided on a side member 1 disposed in the longitudinal direction of the vehicle body on both lower sides of the vehicle body via a body support 2 extending from the side member. The back lower panel 3 which forms the lower rear surface of the vehicle body, the pillar lower inner panel 4 which forms both inner sides of the vehicle body, the floor side member 5 and the like are joined together.

On the other hand, as shown in FIG. 1, the back panel assembly B also includes a seat riser rear member 6 extending in the vehicle width direction at a rear portion of the vehicle compartment, a back panel 7 forming a rear wall portion of the vehicle compartment, and both sides of the vehicle compartment. It is roughly constructed by assembling the pillar rear inner panel 8 to be formed.

When assembling the underbody assembly A and the back panel assembly B, both ends of the seat riser rear member 6 are connected to the pillar lower inner panel 4 or the back lower panel 3 by spot welding or the like. .

The seat riser rear member 6 includes an upper member 9 and a lower member 10. As shown in FIG. 3, the front flange portion 1 is formed by bending along the front edge of the upper member 9.
5 and the front edge 13 of the lower member 10 are joined to each other. On the other hand, the rear edge 19 of the upper member 9 is bent upward and joined to the front surface of the back panel 7, and the rear edge 19 of the lower member 10 is also joined to the lower edge of the back panel 7. Have been. Then, the upper member 9 and the lower member 1
0 to the back panel 7 to form a closed cross section.

At both ends of the upper member 9, there is provided a step-down portion 17 which is displaced downward through a step-down wall 16 which is inclined outward and obliquely downward. A flange 11 extending obliquely upward and outward is formed.

On the other hand, as shown in FIG. 2, an inclined wall 18 which is bent outward and diagonally upward is provided at the upper rear part of the pillar lower inner panel 4. The connecting member 12 is joined. The upper connecting member 12 has a joining portion 20 along the inclined wall 18.
And a horizontal wall 21 extending in the horizontal direction. The angle of the inclined wall 18 is formed so as to match the angle of inclination of the flange portion 11.
Are joined to the pillar lower inner panel 4 together with the joint of the upper connecting member 12.

A lower connecting member 14 connected to the lower member 10 is provided at a corner of the pillar lower inner panel 4 or the back lower panel 3 below the upper connecting member 12. As shown in FIG. 1, the lower connecting member 14 is formed in a flat plate shape, and ribs 14 a bent outward and rearward are welded to the pillar lower inner panel 4 and the back lower panel 3. ing.
The lower member 10 of the seat riser rear member 6
The position of the end is in the vertical direction with respect to the upper connecting member 12.
It is set not to overlap.

With the above configuration, the seat riser rear member 6, the upper connecting member 12 and the lower connecting member 14 form a closed cross-sectional structure up to the vicinity of the connecting portion between the seat riser rear member 6 and the pillar lower inner panel 4. It becomes possible. As a result, the seat riser rear member 6
Not only improves the connection strength, but also significantly increases the rigidity of the entire body.

Also, as described above, the sheet riser
The position of both ends of the lower member 10 of the rear member 6 is
Material 12 so that it does not overlap vertically.
The underbody assembly A
And insert back panel assembly B as specified
Can be Further, the upper connecting member 12 receives the stepped portion 17 of the seat riser rear member 6 and overlaps with the flange portion 11 extending obliquely upward and outward from the stepped portion 17. It has a joint 20 to be connected. Therefore, when connecting the seat riser rear member 6 and the pillar lower inner panel 4, it is only necessary to abut the stepped portion 17 or the flange portion 11 of the seat riser rear member 6 to the upper connection member 12. Accurate positioning can be easily performed. As a result,
The workability of the connection work can be greatly improved, and high connection accuracy can be ensured.

The present invention is not limited to the above embodiment. In this embodiment, the flange 1
Although the inclination angle of 1 is set to approximately 45 degrees, the present invention is not limited to this. For example, the inclination angle may be formed to have an angle of 60 degrees.

The upper connecting member 12 and the lower connecting member 1
The shape of 4 is not limited to this embodiment, and other shapes can be adopted.

Further, the shape of both end portions of the seat riser rear member 6 is not limited to the present embodiment, and the step-down portion may not be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing a seat riser rear member and a pillar lower inner panel or a back lower panel according to the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a sectional view taken along the line III-III of FIG. 2;

[Explanation of symbols]

 Reference Signs List 3 back lower panel 4 pillar lower inner panel 6 seat riser rear member 11 flange portion 12 upper connecting member 13 front edge portion 14 lower connecting member

Claims (1)

(57) [Scope of request for utility model registration] An upper member and a lower member extending in a vehicle width direction at a rear portion of a vehicle compartment and joined along a front edge portion.
A seat riser rear member for joining a seat riser rear member having a closed cross section to a pillar lower inner panel or a back lower panel, wherein the pillar lower inner panel is provided at both ends of an upper member of the seat riser rear member. with the flange portion is bent formed to be connected to, the rear upper portion of the pillar lower inner panel, while受支the upper member end portion of the seat riser rear member, provided on the connecting member of the flange portion is bonded , And on
Position both ends of the lower member of the seat riser rear member
Do not overlap the upper connecting member in the vertical direction
On the other hand, the lower connection is joined to a corner of the pillar lower inner panel or the back lower panel, receives the lower member end of the seat riser rear member, and is joined to the front edge of the lower member. A member, and an upper member of the seat riser rear member is provided on the upper connecting member.
Is attached to the lower connecting member under the seat riser rear member.
The members are joined as described above, and the seat
The Isariya member, the upper connection member, and the lower connection member
Cooperate to close continuously to the pillar lower inner panel.
A connection structure for a seat riser rear member, wherein a cross-sectional structure is formed .