JP3534094B2 - Vehicle reinforcement structure - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle reinforcing structure that reinforces a side surface portion of a front vehicle body. Conventionally, as shown in, for example, Japanese Utility Model Laid-Open No. 1-98004, a strut tower bar extending in the vehicle width direction is installed in an engine room located at the front of an automobile. Reinforcing the side surface of the front vehicle body by connecting the left and right suspension towers (strut towers) with a tower bar. According to the above configuration, since the load input to the suspension tower from the road surface through the suspension member when the automobile is traveling can be supported by the strut tower bar, the suspension tower is prevented from falling down and the vehicle travels. Stability can be improved. When the strut tower bar is installed in the engine room as described above,
In order to prevent the strut tower bar from interfering with the engine or the air conditioner, the installation position is limited, and there is a problem that the strut tower bar becomes an obstacle during the maintenance and inspection of the suspension member or the engine. is there. Further, when the engine hood is opened, the strut tower bar is noticeable and the appearance is deteriorated, and there is a problem that the vehicle body weight is increased by arranging the long strut tower bar. The present invention has been made in view of the above points, and effectively improves the running stability of a vehicle without causing problems such as obstructing the maintenance and inspection of suspension members or engines. An object of the present invention is to provide a reinforcing structure for a vehicle. [0005] The invention according to claim 1 comprises:
A front bracket formed with a bolt insertion hole, a pair of upper and lower first and second connecting members each having a front end fixed to the front bracket, and a bolt inserted while being fixed to the rear ends of both connecting members. A vehicle reinforcing structure that forms a triangle structure that reinforces a side surface portion of a front vehicle body by attaching a vehicle reinforcing member having an upper bracket and a lower bracket in which holes are formed, and includes at least an upper bracket and a lower bracket On one side, a notch corresponding to one installation portion of the pair of door hinge mounting bolts and a bolt insertion hole through which the other of the both mounting bolts is inserted, and a bolt insertion hole through which the both mounting bolts are respectively inserted. Fixing the front bracket to the vehicle frame by means of a front bracket mounting bolt; and Serial upper bracket and a lower bracket
One of the upper surface of the preparative covered state by the mounting plate, in which is fixed to the front pillar to the upper bracket and the lower bracket with a pair of upper and lower door hinges by hinges for mounting bolts. According to the above construction, the pair of upper and lower upper and lower brackets connected by the first and second connecting members and the front bracket are attached to the front pillar and the vehicle body frame, respectively. With the triangle structure, the side surface portion of the front vehicle body is effectively reinforced, and the load input from the suspension member to the side surface portion of the vehicle body is stably supported .
Further, leaving one of the pair of door hinge mounting bolts for fixing the door hinge to the front pillar, removing the other door hinge mounting bolts, fixing the other of the upper bracket and the lower bracket together with the door hinge to the front pillar, The mounting position of the front door with respect to the vehicle body is secured by removing the door hinge mounting bolts and fixing the mounting plate on one of the brackets to the front pillar with the pair of door hinge mounting bolts. The mounting operation of the vehicle reinforcing member is performed without causing problems such as slippage. 1 to 3 show an embodiment of a vehicle reinforcing structure according to the present invention. The vehicle reinforcing structure includes a pair of upper and lower upper brackets 2 and 3, and upper and lower brackets 2 and 3.
The vehicle reinforcing member 1 includes a front bracket 6 connected via a first connecting member 4 and a second connecting member 5. The upper bracket 2 and the lower bracket 3
Is configured to be fixed to the front pillar 9 together with a pair of upper and lower door hinges 7 and 8 that support the front end portion of the front door 31. The front bracket 6 is configured to be fixed to an outer surface portion of the vehicle body frame 10 extending from the installation portion of the front pillar 9 to the front side of the vehicle body. In FIG. 1, reference numeral 11 denotes an attachment plate for attaching the upper bracket 2 to the front pillar 9, and 12 denotes a pair of nuts 12a, 12b or screw holes for attaching the front bracket 6 to the vehicle body frame 10. Is a nut plate provided at the tip. The upper bracket 2 has a notch 14 corresponding to an installation portion of the upper door hinge mounting bolt 13 among a pair of upper and lower door hinge mounting bolts 13 and 15 for fixing the upper door hinge 7 to the front pillar 9. The lower door hinge mounting bolt 15 is formed.
The board 17 on which the bolt insertion hole 16 is formed is inserted.
And an upright plate 18 provided at the front end of the substrate 17. The lower bracket 3 has a bolt insertion hole 2 through which a pair of upper and lower door hinge mounting bolts 19 and 20 for fixing the lower door hinge 8 to the front pillar 9 are inserted.
It comprises a substrate 23 on which 1 and 22 are formed, and an upright plate 24 provided at the front end of the substrate 23. The front bracket 6 has a pair of front bracket mounting bolts 25 and 26 (see FIG. 2).
The board 29 is formed with bolt insertion holes 27 and 28 through which the screw shafts are inserted, and an upright plate 30 provided at the rear end of the board 29. The first and second connecting members 4 and 5 are made of rectangular pipes having a rectangular cross section having a predetermined strength and rigidity, and their front ends are upright plates 30 of the front bracket 6.
The upper end and the lower portion of the bracket are fixed by welding or the like, and the rear end portions are fixed to the upright plates 18 and 24 of the upper bracket 2 and the lower bracket 3 by welding or the like. In order to attach the vehicle reinforcing member having the above structure, a pair of door hinges for fixing the upper door hinge 7 to the front pillar 9 is removed after removing a fender panel (not shown) covering the outer surface of the front vehicle body. Mounting bolt 13,
15, the mounting bolt 15 positioned below and the pair of door hinge mounting bolts 19 and 20 that fix the lower door hinge 8 to the front pillar 9 are removed. The upper bracket 2 and the lower bracket 3 are installed on the door hinges 7 and 8 while the mounting state of the front door 31 is held by the door hinge mounting bolt 13 located at the uppermost position. The lower bracket 3 is fixed to the front pillar 9 together with the lower door hinge 8 by mounting bolts 19 and 20 for use. Next, after removing the door hinge mounting bolt 13 located at the uppermost position, the door hinge 8
While the mounting state of the front door 31 and the vehicle reinforcing member 1 is maintained by the mounting bolts 19 and 20, the mounting plate 11 is installed on the upper bracket 2 and is mounted by the door hinge mounting bolts 13 and 15. The plate 11, the upper bracket 2 and the upper door hinge 7 are fixed to the front pillar 9 in an integrated state. Further, the front portion of the nut plate 12 is inserted into the vehicle body frame 10 through an existing service hole 21 provided in the vehicle body frame 10, and the nut 12
With the positions a and 12b aligned with the mounting holes provided in the vehicle body frame 10, the screw shafts of the front bracket mounting bolts 25 and 26 are connected to the bolt insertion holes 27 and 28 of the front bracket 6 and the above. The front bracket 6 is fixed to the outer surface portion of the vehicle body frame 10 by being inserted into the mounting holes of the vehicle body frame 10 and screwed into the nuts 12a and 12b. It should be noted that the above-mentioned vehicle reinforcement is provided so that the existing mounting hole 14 provided in the outer surface portion of the vehicle body frame 10 and the bolt insertion holes 27 and 28 of the front bracket 6 accurately correspond to each other. If the size and shape of the member 1 are set in advance, there is an advantage that the attaching work of the front bracket 6 to the vehicle body frame 10 can be easily performed without forming a new attaching hole. On the other hand, when the mounting hole for the front bracket 6 is not provided at an appropriate position on the outer surface portion of the body frame 10, an insertion hole for mounting the front bracket 6 on the outer surface portion of the body frame 10 is provided. Need to form. As described above, the upper bracket 2 and the lower bracket 3 fixed to the front pillar 9 together with the pair of upper and lower door hinges 7 and 8 supporting the front end portion of the front door 31, and the front portion fixed to the body frame 10. Bracket 9
The front bracket 9 and the upper bracket 2 are connected by the first connecting member 4, and the front bracket 9 and the lower bracket 3 are connected by the second connecting member 5.
By attaching the vehicle reinforcing member 1 connected by the above, it is possible to effectively reinforce the side surface portion of the front vehicle body with a simple configuration and improve the running stability of the vehicle. That is, the first and second connecting members 4, 5
By attaching the pair of upper and lower upper brackets 2 and 3 and the front bracket 6 connected to each other to the front pillar 9 and the vehicle body frame 10 respectively, a triangle structure that reinforces the side surface of the front vehicle body is formed. can do. Therefore, when the vehicle travels, the load input from the road surface through the suspension member to the suspension tower and the vehicle body frame 10 is transmitted to the front pillar 6 via the vehicle reinforcing member 1, so that the load is applied to the entire vehicle body. It can be dispersed and stably supported. As a result, it is possible to effectively prevent the suspension tower from falling down or the vehicle body frame 10 from being bent or twisted according to the load input from the road surface. It is possible to effectively improve traveling stability by suppressing deterioration of steering performance, deterioration of riding comfort, deterioration of braking performance, and the like due to collapse. The upper bracket 2 and the lower bracket 3 are attached to the front pillar 6 by using door hinge mounting bolts 13, 15, 19, and 20 for attaching the pair of upper and lower door hinges 7 and 8 to the front pillar 6. Therefore, the vehicle reinforcing member 1 can be easily and compactly installed. Moreover, since the vehicle reinforcing member 1 is installed in a state of being stored between the vehicle frame 10 and the fender panel, the appearance is deteriorated, or the maintenance and inspection work for the suspension member and the engine is disturbed. There is no problem such as. Further , as described above, at least one of the upper bracket 2 and the lower bracket 3 is provided with a notch 14 corresponding to one installation portion of the pair of door hinge mounting bolts 13 and 15, and both mounting bolts 13 and 15. A bolt insertion hole 15 through which the other mounting bolts 13 and 15 are inserted is provided.
Since the mounting plate 11 having 1a and 11b is provided, it is possible to easily perform the mounting operation of the vehicle reinforcing member 1 without causing a problem such as a shift of the mounting position of the front door 31 with respect to the vehicle body. There is. Specifically, the upper door hinge mounting bolt 1 for fixing the upper door hinge 7 to the front pillar 8.
3 and other door hinge mounting bolts 15, 19, 2
By removing 0, the lower bracket 3 is installed on the lower door hinge 8 while the mounting state of the front door 31 is held by the mounting bolt 13, and the front pillar 8 is mounted by the door hinge mounting bolts 19 and 20. Can be fixed to. The door hinge mounting bolt 13
And the mounting plate 11 and the lower bracket 3 are installed on the upper door hinge 8, and the upper surface of the lower bracket 3 is covered with the mounting plate 11, and these are attached to the front pillar 8 by the door hinge mounting bolts 13 and 15. By fixing to the above, the mounting operation of the vehicle reinforcing member 1 can be performed without causing a problem such as a shift in the mounting position of the front door 31, and the mounting state can be stabilized. The lower bracket 3 is provided with a notch corresponding to one installation portion of the pair of door hinge mounting bolts 19 and 20 and a bolt insertion hole through which the other of the mounting bolts 19 and 20 is inserted. In addition, the upper bracket 2 is provided by providing a mounting plate having bolt insertion holes through which the both mounting bolts 19 and 20 are inserted.
The same mounting structure can be adopted. As described above, the present invention provides a front bracket having a bolt insertion hole and a pair of upper and lower first and second members each having a front end fixed to the front bracket. A triangle structure that reinforces the side surface portion of the front vehicle body by attaching a vehicle reinforcing member having a connecting member and an upper bracket and a lower bracket fixed to the rear end portions of both connecting members and formed with bolt insertion holes A notch corresponding to one installation portion of a pair of door hinge mounting bolts and at least one of the upper bracket and the lower bracket, and a bolt insertion in which the other of the both mounting bolts is inserted And a mounting plate having a bolt insertion hole through which the both mounting bolts are respectively inserted. The front bracket is fixed to the vehicle frame by a bracket, and the upper bracket and the lower bracket are attached to a pair of upper and lower door hinges by door hinge mounting bolts in a state where one upper surface of the upper bracket and the lower bracket is covered by a mounting plate. In addition, the front and rear pair of upper and lower brackets connected by the first and second connecting members and the front bracket are connected to the front pillar by a triangle structure formed by attaching the front bracket to the front pillar. Effectively reinforces the side of the vehicle body, and does not interfere with the maintenance and inspection work of the suspension member or shift the mounting position of the front door. Can stably support the generated load There is an advantage. Further, at least one of the upper bracket and the lower bracket is provided with a bolt insertion hole through which one of the pair of door hinge mounting bolts is inserted, and a notch corresponding to the other installation portion of the both mounting bolts. Since the mounting plate having the bolt insertion holes through which the both mounting bolts are respectively inserted is provided, one of the pair of door hinge mounting bolts for fixing the door hinge to the front pillar together with at least one of the upper bracket and the lower bracket is left, and the other After removing the door hinge mounting bolt and fixing the other one of the upper bracket and lower bracket to the front pillar together with the door hinge, remove the one door hinge mounting bolt and install the mounting plate on one of the brackets. These are the mounting bolts for the pair of door hinges. By by fixing the front pillar, without causing problems such as mounting positions of the front door is displaced relative to the vehicle body, there is an advantage that the reinforcing member for a vehicle can be attached stably.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing an embodiment of a vehicle reinforcing member according to the present invention. FIG. 2 is a plan cross-sectional view showing a mounting form of a vehicle reinforcing member. FIG. 3 is a front view showing a mounting form of a vehicle reinforcing member. [Description of Symbols] 1 Vehicle reinforcing member 2 Upper bracket 3 Lower bracket 4 First connecting member 5 Second connecting member 6 Front bracket 7 Upper door hinge 8 Lower door hinge 9 Front pillar 10 Body frame 11 Mounting plates 11a and 11b Bolt insertion hole 13, 15, 19, 20 Door hinge mounting bolt 14 Notch 16, 21, 22, 27, 28 Bolt insertion hole 31 Front door

──────────────────────────────────────────────────── ----- Continuation of the front page (56) References JP 58-209662 (JP, A) JP 9-164974 (JP, A) JP 10-278842 (JP, A) 30579 (JP, U) Actually opened 1-161985 (JP, U) Actually opened 1-145673 (JP, U) Actually opened 1-1114374 (JP, U) Actually opened Sho 63-114765 (JP, U) Registered utility model 3070857 (JP, U) (58) Field surveyed (Int.Cl. ⁷ , DB name) B62D 25/00-25/08 B62D 25/14-25/22 B60J 5/04

Claims (1)

(57) [Claims] [Claim 1] A front bracket in which a bolt insertion hole is formed, and a pair of upper and lower first and second connecting members each having a front end fixed to the front bracket, A vehicle that forms a triangle structure that reinforces a side surface portion of a front vehicle body by attaching a vehicle reinforcing member that has an upper bracket and a lower bracket fixed to the rear end portions of both connecting members and formed with bolt insertion holes. The at least one of the upper bracket and the lower bracket is provided with a notch corresponding to one installation portion of the pair of door hinge mounting bolts and a bolt insertion hole through which the other of the mounting bolts is inserted. And a mounting plate having bolt insertion holes through which the both mounting bolts are inserted, respectively, and the front bracket is mounted by the front bracket mounting bolt. The door is fixed to the vehicle frame, and fixing one of the upper surface of the upper bracket and the lower bracket covered state by the mounting plate, the upper bracket and the lower bracket with a pair of upper and lower door hinges by hinges for mounting bolts to the front pillar A vehicle reinforcing structure characterized by that.