JPH0773988B2 - Roll bar for automobile - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll bar mounted on the rear portion of a vehicle seat.

[0002]

2. Description of the Related Art In an automobile, especially a two-theta sports car type passenger car, a roll bar is attached as an accessory to the upper back portion of the backrest of the driver's seat and passenger's seat as if guarding the occupant's head. May be

This roll bar is generally formed of a metal pipe material, and its surface is chrome-plated or black-plated to give a weighty feeling and enhances the image of a sports car when mounted inside a vehicle.

In a conventional roll bar, a pipe material bent in an inverted U shape is individually attached to each rear portion of a driver's seat and a passenger seat. This type of vehicle body has a seat backrest. The rear part has a pocket-shaped recess in the central part from the driver's seat side to the passenger's seat side, and since the fuel tank is installed in the lower part of it, only one leg on the side opposite to the recessed part Is attached to the vehicle body side.

[0005]

However, in the above-mentioned prior art, since the left and right roll bars are individually mounted on the vehicle body with one leg, the alignment and mounting work at the time of mounting are troublesome, and the roll bars are simply Since it was only attached as a decoration, it could not fulfill the function of protecting the head at all, and it moved if the hand or object touched the roll bar,
The appearance of the roll bar was not good, especially when using a hood type vehicle, the roll bar was easy to touch when opening and closing the hood, and it did not function well as an accessory.

In view of the above, the present invention makes it easy to mount on a vehicle body, has high mounting strength, and does not wobble after mounting, and can sufficiently provide a passenger head protection function. It is made for the purpose of providing.

[0007]

SUMMARY OF THE INVENTION In order to solve the problems of the above-mentioned prior art, the present invention provides a method in which the lower ends of the inner legs adjacent to each other of a pair of left and right mountain-shaped portions bent in an inverted U shape are horizontally arranged. Formed so that the left and right distances of the mountain shape part match the distance between the left and right centers of the seat by connecting by members, and a mounting seat is fixed to the lower end of the leg outside the mountain shape part, and at the top of the mountain shape part. Are fixed to the rearwardly inclined stays, and the left and right mounting seats are screwed to the vehicle body side, and the horizontal members and the lower ends of the stays are brought into contact with and supported by the horizontal portion of the vehicle body. To do.

[0008]

[Operation] To mount the roll bar, the mounting seats that are integrally provided at the lower ends of the outer leg portions of the left and right mountain-shaped portions are aligned with the bank portions on both sides of the vehicle body, and the mounting surfaces of the mounting seats are attached. Fasten with screws on the body. At this time, the lower ends of the horizontal members and the left and right stays are in contact with the upper surfaces of the lower recesses between the bank portions, so that the left and right mountain-shaped portions are firmly fixed in the upright state. When a rearward force is applied to the roll bar, the roll bar is supported by the fixing of the mounting surfaces of the mounting seats and the projecting tension of the stay, so that there is no wobbling or displacement.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings.

The roll bar 1 for automobiles according to the present invention is formed of a pipe material having a diameter of about 30 to 35φ in order to suppress the increase in weight as small as possible, and the surface thereof is chrome plated or zinc plated (black plated). Surface treatment such as.

The pair of left and right mountain-shaped portions 2 and 2 are formed by bending into an inverted U shape by bending or the like, and the lower ends of the inner leg portions 2a and 2a adjacent to each other are lightweight such as straight pipes. The end portions of the horizontal member 3 made of a material are fixed by welding or the like to integrally join the two mountain-shaped portions 2 and 2. The distance L between the centers of these mountain-shaped portions 2 and 2 is the seat of the vehicle body 4 of the automobile. The dimensions are the same as the distance between the centers of 5 and 5.

Legs 2b, 2 outside the mountain-shaped portions 2, 2
b is formed to be shorter than the inner legs 2a, 2a so as to fit the steps of the bank portions 6, 6 on both sides of the vehicle body 4, and the lower end of the inner legs 2b, 2b has an inverted front shape. The horizontal mounting surfaces 7a, 7a of the L-shaped mounting seats 7, 7 are fixed by welding or the like.

Vertical mounting surfaces 7b, 7 of the mounting seats 7, 7
b is located on the inner side, and the upper surface 6a and the side surface of the bank portions 6, 6 of the vehicle body 4 are located at the positions near the outer ends of the horizontal mounting surfaces 7a, 7a and at the positions near the lower ends of the vertical mounting surfaces 7b, 7b. Mounting holes 9 and 10 for fastening with screws 8 and 8 are formed in 6b.

The tops of the mountain-shaped portions 2 and 2 are fixed by welding or the like to the upper ends of stays 11 and 11 which are inclined rearward, and the lower ends of the stays 11 and 11 are the same as the lower surface of the horizontal member 3. Horizontal seat plates 12, 12 are fixed to the level.

After being formed as described above, its surface is subjected to chrome plating, zinc plating (black plating) or the like.

In order to mount the roll bar 1 thus formed on the vehicle body 4, the mounting seats 7, which are integrally provided at the lower ends of the leg portions 2b, 2b outside the left and right mountain-shaped portions 2, 2,
The horizontal mounting surface 7a and the vertical mounting surface 7b of the vehicle body 4
Along the ridges 6 and 6 on both sides of the ridges, and the mounting surfaces 7a and 7b are provided on the upper surface 6a and the side surface 6b of the ridges 6 and 6 with screws 8,
Fix with 8.

At this time, the horizontal member 3 and stay 1
The lower surfaces of the seat plates 12 and 12 of 1 and 11 are in contact with the horizontal portion 13 of the lower recess between the bank portions 6 and 6, whereby the left and right mountain-shaped portions 2 and 2 are attached in an upright state. . The upper ends of the mountain-shaped portions 2 and 2 are projected slightly above the upper ends of the sheets 5 and 5.

The roll bar 1 mounted in this way
When a rearward force is applied to the mounting seats 7 and 7, it is supported by the two mounting surfaces 7a and 7b of the mounting seats 7 and is supported by the projecting tension of the stays 11 and 11 to cause wobbling. There is no misalignment. Further, the fuel tank is usually located below the horizontal portion 13 of the concave portion between the bank portions 6 and 6 of the vehicle body 4, but since the horizontal member 3 is only abutted on this portion, there is no problem. Absent.

FIG. 5 shows an example of use in which the fire extinguisher 13 is fixed to the horizontal member 3 of the roll bar 1. Band-shaped holders 14, 14 are attached to the horizontal member 3. The holder 14 includes a fixing band 15 that surrounds and fixes the horizontal member 3 and elastic pieces 16 and 16 in a ring shape on the upper portion of the fixing band 15, and between the elastic pieces 16 and 16. The fire extinguisher 13 is pushed in to fix it fixedly. This holder 1
The horizontal members 3 may be 4, 4 although they may have other configurations.
Fire extinguisher 1 using the space between the mountain-shaped parts 2 and 2 above
3 (or a smoke tube) may be fixed.

In the illustrated embodiment, the case where the roll bar 1 is entirely made of a pipe material has been described, but it is also possible to use an unvoided aluminum material, molding with a synthetic resin or the like.

[0021]

As described above, according to the present invention, the inner leg lower ends of the left and right mountain-shaped portions are connected by the horizontal members, and the mounting legs are provided at the outer leg lower ends, respectively.
The entire roll bar has a single structure, and it can be attached to the vehicle body by simply screwing the left and right mounting seats to the vehicle body, and the position with respect to the seat can be accurately determined, and the installation work is extremely easy. After mounting, it is fixed to the vehicle body with the mounting surfaces of the left and right mounting seats, so it does not wobble when touched by the hand, enhances the solid image as a roll bar, and the mounting seats are also resistant to impact from the front. With the fixing by and the support by the stay, it is possible to withstand and enhance safety. For hood type vehicles,
When closing the hood, the arm can be extended and operated from the valley between the left and right mountain-shaped parts, so there is no obstruction.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a roll bar according to the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a perspective view showing a state where the roll bar of FIG. 1 is attached to a vehicle body.

FIG. 4 is a side view of FIG.

FIG. 5 is a perspective view showing an example of use of the present invention.

[Explanation of symbols]

 1 roll bar 2 mountain shape part 2a inner leg part 2b outer leg part 3 horizontal member 4 vehicle body 5 seat 6 bank part 7 mounting seat 7a horizontal mounting surface 7b vertical mounting surface 8 screw 9 mounting hole 10 mounting hole 11 stay 12 Seat plate 13 Upper surface of recess

Claims (1)

[Claims] 1. A pair of left and right mountain-shaped portions that are bent in an inverted U shape are joined to each other by connecting the lower ends of the inner legs adjacent to each other by a horizontal member so that the distance between the mountain-shaped portions is equal to the distance between the right and left centers of the seat. A mounting seat is fixed to the lower end of the leg outside the mountain-shaped portion, and a stay that inclines downward to the rear is fixed to the top of the mountain-shaped portion. A roll bar for an automobile, characterized in that the horizontal member and the lower end of the stay are supported by abutting against the horizontal portion of the vehicle body with screws.