JP2018075856A - Hook mounting structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hook mounting structure for a vehicle, which is able to at least reduce the dimensions of a bumper reinforcement assembly in forward and backward directions of a vehicle or improve the degree of freedom in vehicle design.SOLUTION: A tightly-binding-hook mounting member 30 is disposed through a through-hole 26 provided in a bumper reinforcement 20, the through-hole extending in a vertical direction of a vehicle. The tightly-binding-hook mounting member is joined to the bumper reinforcement 20 on the upper surface 23a and the lower surface 24a of the bumper reinforcement 20. Therefore, the tightly-binding-hook mounting member 30 is prevented from projecting in forward and backward directions of the vehicle from the bumper reinforcement 20, and the dimensions of a bumper reinforcement assembly 40 can be reduced in the forward and backward directions of the vehicle. In addition, the position of the tightly-binding hook 60 can be set even in a place for mounting on a side member 50 in a width direction of the bumper reinforcement 20, and the degree of freedom in vehicle design can be improved.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a hook mounting structure for a vehicle.

  Patent Document 1 discloses that a securing hook mounting member (mounting metal fitting) attached to a bumper reinforcement is formed of a hollow main body penetrating the front and rear wall portions of the bumper reinforcement, and is integrally formed with the main body. A flange extending along the rear side of the rear wall, and is fixed to the front wall of the bumper reinforcement with the main body and is fixedly attached to the rear wall of the bumper reinforcement with the flange. Yes.

The structure disclosed in Patent Document 1 has the following problems.
Since the lashing hook mounting member is also arranged on the rear side of the bumper reinforcement, (a) the size of the bumper reinforcement assembly including the bumper reinforcement and the lashing hook mounting member increases in the longitudinal direction of the vehicle. End up. In addition, (b) it is necessary to shift the location of the bumper reinforcement attached to the side member (body) and the position of the lashing hook, which restricts the degree of freedom of the design of the vehicle.

JP 2005-271859 A

An object of the present invention is to provide a hook mounting structure for a vehicle that can achieve at least one of the dimensions of the bumper reinforcement assembly in the vehicle front-rear direction and the degree of freedom in the design of the vehicle.

The present invention for achieving the above object is as follows.
(1) A bumper reinforcement assembly comprising a bumper reinforcement and a securing hook attaching member attached to the bumper reinforcement,
The bumper reinforcement is provided with a through-hole penetrating in the vehicle vertical direction,
The hook mounting structure for a vehicle, wherein the securing hook mounting member is disposed in a state of penetrating the through hole, and is coupled to the bumper reinforcement on an upper surface and a lower surface of the bumper reinforcement.

  According to the vehicle hook mounting structure of (1) above, the securing hook mounting member is disposed through the through hole in the vehicle vertical direction provided in the bumper reinforcement, and the upper surface of the bumper reinforcement Combined with bumper reinforcement on the bottom. Therefore, (a) the securing hook attaching member can be prevented from protruding in the vehicle front-rear direction from the bumper reinforcement, and the size of the bumper reinforcement assembly in the vehicle front-rear direction can be reduced. In addition, (b) the lashing hook mounting member can be prevented from projecting from the bumper reinforcement in the vehicle front-rear direction, and the position of the lashing hook can be the mounting position on the side member in the width direction of the bumper reinforcement. Since it can set, the freedom degree of the design of a vehicle can be improved.

It is a schematic plan view which shows the example of attachment to the side member of a bumper reinforcement assembly in the hook attachment structure of the vehicle of this invention Example. It is an expanded sectional view of a bumper reinforcement assembly in a hook attachment structure for a vehicle according to an embodiment of the present invention. FIG. 3 is a partial enlarged sectional view taken along line AA in FIG. 2.

  A vehicle hook mounting structure (hereinafter also simply referred to as a hook mounting structure) 10 according to an embodiment of the present invention will be described below with reference to the drawings.

The hook attachment structure 10 may be provided at the front part of the vehicle, may be provided at the rear part of the vehicle, or may be provided at both the front part and the rear part of the vehicle. In the illustrated example of the present invention, the case where the hook mounting structure 10 is provided at the front portion of the vehicle is shown. Hereinafter, in the embodiment of the present invention, a case where the hook mounting structure 10 is provided at the front portion of the vehicle will be described as an example, unless otherwise specified. In the figure, UP indicates the upper side of the vehicle, FR indicates the front of the vehicle, and OUT indicates the outer side in the vehicle width direction.

  As shown in FIG. 1, a vehicle hook attachment structure 10 according to an embodiment of the present invention includes a bumper reinforcement 20 attached to a vehicle front side end portion of a vehicle side member (front side member) 50, and a bumper reinforcement 20. And a bumper reinforcement assembly 40 including a securing hook attaching member 30 to be attached.

  The bumper reinforcement 20 is fixedly attached to the side member 50 directly or via another member using bolts 70, nuts 71 (see FIG. 3), and the like. The bumper reinforcement 20 extends in the vehicle width direction. As shown in FIG. 2, the bumper reinforcement 20 has a “day” shape in a cross section orthogonal to the vehicle width direction. However, the cross-sectional shape of the bumper reinforcement 20 may be a “eye” shape or a “mouth” shape. In this embodiment and the illustrated example, the case of a “day” character shape is illustrated.

The bumper reinforcement 20 includes a front wall portion 21 and a rear wall portion 22 that are arranged in parallel in the front and rear, an upper wall portion 23 that connects upper end portions of the front and rear wall portions 21 and 22, and front and rear wall portions 21 and 22. The lower wall part 24 which connects lower end parts and the reinforcement rib 25 which connects the upper-lower intermediate parts of the front-and-back wall parts 21 and 22 between the upper-and-lower wall parts 23 and 24 are provided. As shown in FIG. 3, the rear wall portion 22 a of the rear wall portion 22 of the bumper reinforcement 20 that is directly behind the securing hook attaching member 30 is in surface contact with the side member 50.

As shown in FIG. 2, the bumper reinforcement 20 is provided with a through hole 26 for arranging the securing hook attaching member 30 in the cross section of the bumper reinforcement 20. The through hole 26 is provided coaxially on the upper wall portion 23, the lower wall portion 24, and the reinforcing rib 25 of the bumper reinforcement 20, and penetrates the bumper reinforcement 20 in the vertical direction. The front wall portion 21 and the rear wall portion 22 of the bumper reinforcement 20 are not provided with a hole or function for disposing the securing hook attaching member 30. The shape of the through hole 26 when viewed from above is, for example, a rectangle. The size of the through hole 26 is slightly larger than the outer shape in a cross section perpendicular to the vertical direction of the securing hook attaching member 30, and when the securing hook attaching member 30 is disposed in the through hole 26, the securing hole 30 is fixed. The backlash in the through hole 26 of the binding hook mounting member 30 is negligible.

  The lashing hook attaching member 30 is a rod-like body having a rectangular outer shape and no flange-shaped portion. The securing hook attaching member 30 is disposed in a state of penetrating the through hole 26. For this reason, the securing hook attaching member 30 is disposed so as to penetrate the cross section of the bumper reinforcement 20 in the vertical direction. The lashing hook attaching member 30 is inserted into the upper and lower wall portions 23, 24 of the bumper reinforcement 20 and all the through holes 26 of the reinforcing rib 25, and at least the upper surface 23a of the upper wall portion 23 at the upper end portion 31. They are joined by welding or the like, and at the lower end 32 are joined to at least the lower surface 24a of the lower wall part 24 by welding or the like.

  The lashing hook mounting member 30 is provided with a hook hole 35 extending from the rear surface 33 toward the front surface 34 side of the lashing hook mounting member 30 and having a female screw 35a formed on the peripheral surface. The hook hole 35 may be a bottomed hole, or may be a through-hole penetrating the securing hook attaching member 30 in the front-rear direction as illustrated. The hook hole 35 is provided at an intermediate portion in the vertical direction of the securing hook attaching member 30, and is provided, for example, below the upper wall portion 23 of the bumper reinforcement 20 and above the reinforcing rib 25. However, the hook hole 35 may be provided below the reinforcing rib 25 of the bumper reinforcement 20 and above the lower wall portion 24.

The lashing hook attaching member 30 is provided to attach the detachable lashing hook 60. The lashing hook 60 is inserted into the bumper reinforcement 20 through a hook insertion hole 21 a formed in the front wall portion 21 of the bumper reinforcement 20, and is further formed at the distal end portion 61 of the lashing hook 60. The male screw 61 a is screwed into the female screw 35 a of the hook hole 35 of the lashing hook attaching member 30, thereby attaching to the tying hook attaching member 30. The lashing hook 60 is attached to the lashing hook attaching member 30 in a state where the hook portion 62 of the lashing hook 60 protrudes from the front wall portion 21 of the bumper reinforcement 20 toward the vehicle front side.

Next, the operation and effect of the embodiment of the present invention will be described.
In the embodiment of the present invention, the securing hook attaching member 30 is disposed through the through hole 26 in the vehicle vertical direction provided in the bumper reinforcement 20, and is provided on the upper surface 23 a and the lower surface 24 a of the bumper reinforcement 20. And bumper reinforcement 20. Therefore, the following actions and effects can be obtained.
(A) The lashing hook attaching member 30 can be prevented from projecting in the vehicle front-rear direction from the bumper reinforcement 20, and the size of the bumper reinforcement assembly 40 in the vehicle front-rear direction can be reduced.
(B) The lashing hook mounting member 30 can be prevented from projecting from the bumper reinforcement 20 in the vehicle front-rear direction, and the position of the lashing hook 60 is set at the mounting position on the side member 50 in the width direction of the bumper reinforcement 20. Even if it exists, since it can set, the freedom degree of the design of a vehicle can be improved.
(C) Since a compressive load is applied to the bumper reinforcement 20 when a load in the vehicle longitudinal direction is applied to the lashing hook 60 in a state where the lashing hook 60 is attached to the lashing hook attaching member 30, the bumper reinforcement 20 Measures such as partially reinforcing the reinforcement 20 by reinforcing the thickness thereof are unnecessary, and an increase in the mass of the bumper reinforcement 20 can be suppressed.

In the embodiment of the present invention, the case where the hook attachment structure 10 is provided at the front portion of the vehicle has been described as an example. However, as described above, the hook attachment structure 10 may be provided at the rear portion of the vehicle. In this case, “FR” indicating the front of the vehicle in the drawing may be replaced with “RR” indicating the rear of the vehicle, and the lashing hook 60 protrudes from the bumper reinforcement 20 toward the vehicle rear side, 30 will be attached.

DESCRIPTION OF SYMBOLS 10 Vehicle front part structure 20 Bumper reinforcement 21 Front wall part 22 Rear wall part 23 Upper wall part 23a Upper surface part 24 Upper wall part 24 Lower wall part 24a Lower wall part lower surface 25 Reinforcement rib 26 Through-hole 30 Fixed hook attachment member 31 Upper end portion 32 Lower end portion 33 Rear surface 34 Front surface 35 Hook hole 40 Bumper reinforcement assembly 50 Side member 60 Fastening hook 61 Tip portion 62 Hook portion

Claims (1)

A bumper reinforcement assembly comprising a bumper reinforcement and a securing hook attaching member attached to the bumper reinforcement;
The bumper reinforcement is provided with a through-hole penetrating in the vehicle vertical direction,
The hook mounting structure for a vehicle, wherein the securing hook mounting member is disposed in a state of penetrating the through hole, and is coupled to the bumper reinforcement on an upper surface and a lower surface of the bumper reinforcement.

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