JPH09254813A - Automobile lateral reinforcement construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automobile lateral reinforcement construction capable of effectively supporting respective loads inputted in a pillar with a simple composition. SOLUTION: This lateral reinforcement construction has a reinforcement panel composed of a pillar reinforcement 26 for reinforcing a quarter pillar 3 and the like arranged in the lateral rear part of a body installed on the body in a vertically extended manner along the wall of a pillar inner panel 25. A flange 27 provided on the upper end of the reinforcement panel composed of the pillar reinforcement 26 is extended to the installation part of a roof side rail 11 arranged on both right and left sides of the roof 5 and connected to the wall of the rail inner panel 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a side portion of an automobile in which a reinforcing panel for reinforcing pillars disposed on a rear portion of a side surface of a vehicle body is installed so as to extend in a vertical direction of the vehicle body along a wall surface of a pillar inner panel. It relates to a reinforcing structure.

[0002]

2. Description of the Related Art Conventionally, as disclosed, for example, in Japanese Utility Model Laid-Open No. 7-31573, a wheel house is provided at the rear of a side portion of a vehicle body and extends upward from an upper edge of an outer panel of the wheel house. In a rear body structure of an automobile in which a rear pillar inner panel is installed and an inner panel of a roof side rail is integrally provided above the rear pillar, a brace that reinforces the upper part of the wheel house panel and an outer surface of the rear pillar liner. By forming the belt anchor reinforcing plate that reinforces the mounting portion of the belt anchor provided in the separate body, it is possible to improve the yield when cutting the brace and the belt anchor reinforcing plate from the raw material. . Further, the rear vehicle body structure is configured so that each part can be appropriately reinforced without increasing the vehicle body weight by setting the plate thicknesses of the brace and the belt anchor reinforcing plate to appropriate plate thicknesses.

[0003]

According to the above structure, since the brace and the belt anchor reinforcing plate are formed separately, the number of parts increases and the structure of the vehicle body side portion becomes complicated. Further, since the load input from the suspension tower, the belt anchor, etc. cannot be effectively transmitted to a portion other than the installation portion of the rear pillar, there is a problem that the supporting action of the above load tends to be insufficient. .

In view of the above circumstances, the present invention provides a side part reinforcing structure for an automobile capable of effectively supporting each load input to the pillar with a simple structure.

[0005]

The invention according to claim 1 is
A side reinforcing structure for an automobile, wherein a reinforcing panel for reinforcing pillars arranged at a rear portion of a side surface of a vehicle body is installed so as to extend in a vertical direction of the vehicle body along a wall surface of the pillar inner panel, the reinforcing panel comprising: The upper end portion of the above is extended to the installation portion of the roof side rails arranged on the left and right side portions of the roof portion and joined to the wall surface of the rail inner panel.

According to the above construction, each load inputted from the catcher of the seat back attached to the pillar inner panel or the belt anchor or the like to the pillar located at the rear part of the vehicle body moves the roof side rail from the reinforcing panel of the pillar. It is transmitted to the whole body of the vehicle via the and is effectively supported.

The invention according to claim 2 has a guide rail installed along both left and right sides of the roof portion, and a sliding panel slidably supported along the guide rail. In a vehicle provided with a movable roof device configured to open and close the opening formed in the roof portion by slidingly moving the vehicle in the front-rear direction, a pillar disposed on the rear side surface of the vehicle body is reinforced. The reinforcement panel is installed so as to extend in the vertical direction of the vehicle body along the wall surface of the pillar inner panel, and the upper end of the reinforcement panel is installed in the installation part of the roof side rails located on both left and right sides of the roof part. Along with extending and superimposing on the wall surface, a movable rail device is provided on the overlapping portion between the roof side rail and the upper end of the reinforcing panel. It is prepared by attaching the support bracket.

According to the above construction, the load inputted from the catcher or the belt anchor of the seat back attached to the pillar inner panel to the pillar located at the rear part of the vehicle body is reinforced by the reinforcing panel of the pillar through the roof side rail. And is effectively supported by being transmitted to the entire vehicle body, and the load input from the movable roof device to the roof side rails is effectively transmitted to the lower side of the pillar through the reinforcing panel. become.

According to a third aspect of the present invention, in the side part reinforcing structure for an automobile according to the first or second aspect, the lower part of the reinforcing panel for reinforcing the pillars disposed at the rear part of the side surface of the vehicle body is located above the suspension tower. It is configured to overlap the upper part of the suspension reinforcement installed at.

According to the above configuration, the load input from the suspension tower to the pillar located at the rear of the vehicle body is
Each of the pillars is input to the pillar from the seat back catcher or belt anchor attached to the pillar inner panel while being effectively supported by being transmitted from the reinforcing panel of the pillar to the entire vehicle body through the roof side rail. The load is transmitted to the installation portion of the suspension tower and effectively supported.

[0011]

1 and 2 show an embodiment of a side reinforcing structure for an automobile according to the present invention. A front pillar 1 is disposed in the front part of the side surface of the automobile, and a center pillar 2 and a quarter pillar 3 are provided behind the front pillar 1.
The rear pillars 4 are sequentially arranged at predetermined intervals. In addition, an opening 7 that is opened and closed by a sliding panel 6 is formed in a roof portion 5 of the automobile, and a guide rail 8 that slidably supports the sliding panel 6 and a sliding panel 6 are provided.
A movable roof device having a drive means for driving the.

When the sliding panel 6 is driven forward and the opening 7 is closed, the movable roof device is provided in the vicinity G1 of the installation portion of the center pillar 2 arranged at the center of the side portion of the vehicle body. In the state where the center of gravity is located and the sliding panel 6 is driven rearward to open the opening 7, the movable roof is provided in the vicinity G2 of the installation portion of the quarter pillar 3 arranged behind the center pillar 2. It is configured so that the center of gravity of the device is located.

That is, the opening 7 is provided in a range from the front part of the roof part 5 to the rear side of the installation part of the center pillar 2.
The opening area of the opening 7 is set to a value larger than that of a normal movable roof device, and a sliding panel 6 having a size corresponding to the opening area of the opening 7 is provided in the movable roof device. As a result, the center of gravity of the movable roof device largely moves in the front-rear direction of the vehicle body in accordance with the sliding displacement of the sliding panel 6, and moves from the vicinity G1 of the installation portion of the center pillar 2 to the vicinity G2 of the installation portion of the quarter pillar 3. It is configured to be displaced.

Further, roof side rails 11 composed of a rail outer panel 9 and a rail inner panel 10 forming a closed cross section are installed on both right and left sides of the roof portion 5. The inner surface of the roof side rail 11,
That is, the support brackets 12, 13 for supporting the guide rails 8 of the movable roof device are provided on the wall surface located inside the vehicle.
Are attached at positions corresponding to the installation position of the center pillar 2 and the installation portion of the quarter pillar 3.

As shown in FIGS. 3 and 4, the center pillar 2 includes a pillar outer panel 14 formed integrally with the rail outer panel 9, a pillar inner panel 15 disposed inside the pillar outer panel 14, and a pillar outer panel 15 disposed inside the pillar outer panel 14. Outer panel 1
4 and the pillar reinforcement 16 disposed in the closed cross section formed by the pillar inner panel 15.

At the upper end of the pillar inner panel 15, there is formed a flange portion 17 extending so as to be introduced into the roof side rail 11 and projecting in the front-rear direction of the vehicle body. 17 is superposed on the outer surface of the rail inner panel 10, that is, the wall surface located outside the vehicle, and joined by means such as spot welding. Then, an inner end portion of the support bracket 12 located on the front side of the vehicle body is attached to an overlapping portion of the flange portion 17 of the pillar inner panel 15 and the rail inner panel 10 with a mounting bolt 18.

The inner end of the support bracket 12 and the outer end of the guide rail 8 are fixed to the fixing plate 20 fixed to the opening flange 19 of the roof 5 or the lower surface of the roof 5, for example. It is attached by a mounting bolt 21. The rail inner panel 10 and the flange portion 17 of the pillar inner panel 15 are installed on the outer side of the installation position of the mounting bolt 18 in a state of being separated from each other, so that the rail inner panel 10 and the flange portion 17 are installed. And form a closed cross section 22.

Further, a flange portion 23 is formed at an upper end portion of the pillar reinforcement 16 so as to extend so as to be introduced into the roof side rail 7 and project in the front-rear direction of the vehicle body. . The inner end portion of the flange portion 23 has the rail outer panel 9
Also, the roof inner panel 10 is integrally joined in a state of being sandwiched between the flange portions provided on the inner side portions of the roof inner panel 10.

The quarter pillar 3 is shown in FIGS.
As shown in FIG. 2, a pillar outer panel 24 formed integrally with the rail outer panel 9, a pillar inner panel 25 arranged inside the pillar outer panel 24 and formed integrally with the rail inner panel 10, and the pillar outer panel 25. From the pillar reinforcement 26 arranged in the closed cross section formed by the outer panel 24 and the pillar inner panel 25 and along the outer surface of the pillar inner panel 25, that is, the wall surface located outside the vehicle. And a reinforcing panel that becomes.

A flange portion 27 is formed at an upper end portion of the pillar reinforcement 26 so as to be introduced into the roof side rail 11 and project in the front-rear direction of the vehicle body. 27 is superposed on the inner wall surface of the rail inner panel 10. The support bracket 13 located on the rear side of the vehicle body is provided at the overlapping portion of the flange portion 27 and the rail inner panel 10.
The inner end portion of is attached by a mounting bolt 18.

The rail inner panel 10 and the flange portion 27 of the pillar reinforcement 26 are installed on the outer side of the installation position of the mounting bolt 18 so as to be spaced apart from each other. The panel 10 and the flange portion 27 form a closed cross section 22.

The pillar reinforcement 26 is
A belt anchor attachment portion 28 and a catcher installation portion 29 for locking the seat back of the rear seat (not shown)
Of the pillar reinforcement 26 and the suspension reinforcement 31 arranged along the outer surface of the pillar inner panel so as to extend upward from the installation portion of the suspension tower 30. The upper front portion is configured to overlap.

As described above, the upper end of the reinforcing panel composed of the pillar reinforcements 26 installed so as to extend in the vertical direction along the outer surface of the pillar inner panel 25 of the quarter pillar 3 arranged at the rear portion of the side surface of the vehicle body. Since the portion is extended to the installation portion of the roof side rail 11 located on the upper side of the vehicle body and joined to the outer surface of the roof side rail 11, the belt anchor attached to the pillar inner panel 25 of the quarter pillar 3 and By transmitting the load input to the quarter pillar 3 from the catcher of the seat back or the like to the entire area of the vehicle body from the pillar reinforcement 26 through the roof side rail 11, it is possible to effectively support the load.

Therefore, the attachment portion 2 of the belt anchor
8 does not increase the number of parts as in the case of providing a separate belt anchor reinforcing plate or the like to reinforce the belt anchor mounting portion 28 or the seat catcher installation portion 29 and the like with a simple configuration. It is possible to reinforce and stably support the load input from the belt anchor or the seat catcher.

Further, in the above embodiment, the upper end portion of the pillar reinforcement 26 of the quarter pillar 3 is introduced into the roof side rails 11 installed on both left and right side portions of the roof portion 5 so that the rail inner panel 10 can be installed. This pillar reinforcement 2 is made to polymerize on the inner wall surface.
Since the support bracket 13 of the movable rail device is attached to the overlapping portion of the upper end portion (flange portion) 17 of 6 and the rail inner panel 10, the load input from the movable roof device is applied from the support bracket 13 to the pillar rain. The force can be transmitted from the force 26 to the lower side of the quarter pillar 3 and can be effectively supported.

Therefore, the movable roof device can be stably supported with a simple structure without providing a separate reinforcing member or the like for reinforcing the mounting portion of the support bracket 13, and the reinforcing member can be used. It is possible to prevent the vehicle interior space from being narrowed as in the case where it is provided. Further, even when the opening area of the opening portion 7 formed in the roof portion 5 is increased to increase the weight of the movable roof device, a large number of support brackets are not provided,
The movable roof device can be stably supported by a small number of support brackets.

Further, in the above embodiment, the center of gravity of the movable roof device according to the sliding displacement of the sliding panel 6 has a center pillar 3 disposed behind the center pillar 2 from the vicinity G1 of the installation position of the center pillar 2. The center of gravity of the movable roof device is set so as to move to the vicinity G2 of the installation position of the above, and the support brackets 12 and 13 are arranged at positions corresponding to the installation portion of the center pillar 2 and the installation portion of the quarter pillar 3, respectively. Since it is provided, the movable roof device can be stably supported regardless of whether the sliding panel 6 is at the front end position where the opening 7 is closed or at the rear end position where the opening 7 is opened. .

In particular, as shown in the above embodiment, the flange portion 17 extending in the front-rear direction of the vehicle body is formed on the upper end portion of the pillar inner member including the pillar inner panel 15 of the center pillar 2 and the pillar reinforcement 26 of the quarter pillar 3. 27, and the flange portions 17 and 27,
When the rail inner panel 10 and the rail inner panel 10 are configured to overlap with each other, the mounting portions of the support brackets 12 and 13 can be supported over a wide range, so that the support state of the movable roof device can be effectively stabilized. There is an advantage that it can be converted.

Further, in the above-described embodiment, the flange portions 17 and 27 provided on the upper end portion of the pillar inner member including the pillar inner panel 15 of the center pillar 2 and the pillar reinforcement 26 of the quarter pillar 3 and the rail inner panel. Since the closed cross section 22 formed by 10 and 10 is disposed on the outer side of the installation position of the mounting bolt 18, the mounting portions of the support brackets 12 and 13 are reinforced to effectively stabilize the support state of the movable roof device. It is possible to reduce the generation of noise due to the joint portions of the flange portions 17 and 27 and the rail inner panel 10 coming into contact with each other in response to the vibration of the vehicle body.

Further, in the above embodiment, the lower portion of the reinforcing panel composed of the pillar reinforcements 26 for reinforcing the quarter pillars 3 is provided with the suspension reinforcement 31 installed above the suspension tower 30.
Since it is arranged at a position overlapping the upper part of the vehicle, the load input to the quarter pillar 3 from the suspension tower 30 is transmitted to the entire vehicle body from the pillar reinforcement 26 of the quarter pillar 3 via the roof side rail 11. Therefore, there is an advantage that the load input from the movable roof device or the like to the quarter pillar 3 can be effectively transmitted by being transmitted to the installation portion of the suspension tower 30.

In order to effectively improve the support strength of the movable roof device, the thickness of the pillar inner panel 15 of the center pillar 2 and the pillar reinforcements 26 of the quarter pillars 3, which are the pillar inner members, is set to the pillar outer panel. It is desirable to set it to a value larger than 14 and 24. With such a structure, the rigidity of the vehicle body formed in a box shape such as a so-called one-box car can be effectively improved, and the seat belt for the front seat attached to the center pillar 2 can be effectively improved. The supporting strength of the belt anchor and the like can be effectively increased, and the supporting strength of the belt anchor of the seat belt for the rear seat attached to the quarter pillar 3 and the seedback catcher of the rear seat can be made more effective. Can be increased to

Further, in the above embodiment, an example in which the size of the opening 7 is set to a value larger than that of a normal movable roof device has been described, but the rear end position of the opening 5 is set to the installation portion of the center pillar 2. The size of the opening 7 may be set to a normal size by arranging the opening 7 on the front side.
In this case, the support bracket 12 may be provided only at the position corresponding to the installation portion of the center pillar 2, and the support bracket 13 provided at the installation portion of the quarter pillar 3 may be omitted.

Further, in a sedan type vehicle in which a rear pillar is arranged on the rear side of the center pillar, a pillar reinforcement is formed so as to extend in the vertical direction of the vehicle body along the wall surface of the pillar inner panel of the rear pillar. A structure may be adopted in which a reinforcing panel is installed, the upper end portion of which is extended to the installation portion of the roof side rails disposed on both left and right side portions of the roof portion and joined to the wall surface of the roof side rail.

In the above embodiment, the rail inner panel 10 constituting the roof side rail 11 and the pillar inner panel 25 constituting the quarter pillar 3 are integrally formed, but the rail inner panel 10 is described above. The pillar inner panel 25 and the pillar inner panel 25 may be separately formed. In this case, the upper portion of the pillar reinforcement 26 is joined to the inner surface of the rail inner panel 10, that is, the wall surface located inside the vehicle. It can be configured.

[0035]

As described above, according to the present invention, the reinforcing panel for reinforcing the pillar disposed on the rear portion of the side surface of the vehicle body is installed so as to extend in the vertical direction of the vehicle body along the wall surface of the pillar inner panel. In the side part reinforcing structure of an automobile, since the upper end of the reinforcing panel is extended to the installation part of the roof side rails arranged on both left and right sides of the roof part and joined to the wall surface of the roof side rail, the pillar is The belt anchor attachment part or seat catcher installation part, etc., provided on the pillar inner panel to be configured is effectively reinforced with a simple structure, and the input is made from the belt anchor installation part or seat catcher installation part, etc. There is an advantage that the load can be transmitted from the roof side rails to the entire vehicle body and effectively supported.

[Brief description of drawings]

FIG. 1 is a plan view of an automobile having a side reinforcing structure according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an explanatory diagram showing a configuration of a connecting portion between a center pillar and a roof side rail.

FIG. 4 is a sectional view taken along line BB of FIG. 3;

FIG. 5 is an explanatory diagram showing a configuration of a connecting portion between a quarter pillar and a roof side rail.

FIG. 6 is a sectional view taken along line CC of FIG. 5;

[Explanation of symbols]

 3 Quarter pillar 5 Roof part 6 Sliding panel 7 Opening part 8 Guide rail 10 Rail inner panel 11 Roof side rail 13 Support bracket 26 Pillar reinforcement (reinforced panel) 30 Suspension tower 31 Suspension reinforcement

Claims (3)

[Claims] 1. A side reinforcing structure for an automobile, wherein a reinforcing panel for reinforcing pillars arranged on a rear portion of a side surface of a vehicle body is installed so as to extend in a vertical direction of the vehicle body along a wall surface of the pillar inner panel. And the upper end portion of the reinforcing panel is extended to the installation portion of the roof side rails disposed on both left and right side portions of the roof portion and joined to the wall surface of the roof side rail. Construction. 2. A guide rail installed along both left and right sides of the roof portion, and a sliding panel slidably supported along the guide rail. The sliding panel is provided in the front-rear direction of the vehicle body. In a vehicle provided with a movable roof device configured to open and close an opening formed in the roof portion by slidingly displacing the pillar, a reinforcement panel that reinforces a pillar disposed in a rear portion of a side surface of a vehicle body is provided. Install along the wall of the inner panel so as to extend in the vertical direction of the vehicle body, and extend the upper end of the reinforcing panel to the installation part of the roof side rails located on the left and right sides of the roof to At the same time as superimposing, mount the support bracket of the movable rail device on the overlapping part of this roof side rail and the upper end of the reinforcing panel. A side reinforcement structure for automobiles characterized by being attached. 3. A structure in which a lower portion of a reinforcing panel for reinforcing pillars arranged on a rear portion of a side surface of a vehicle body is configured to overlap an upper portion of a suspension reinforcement installed above a suspension tower. The side reinforcing structure for an automobile according to claim 1 or 2.