JP5765272B2 - Towing hitch member and body structure - Google Patents

Description

  The present invention relates to a towing hitch member and a vehicle body structure for connecting a towed vehicle such as a boat-mounted vehicle or a camper to a vehicle.

  There is a vehicle in which a towing hitch member is provided at the rear of the vehicle in order to connect and tow a towed vehicle such as a boat loaded vehicle or a camper. For example, in the towing hitch member described in Patent Document 1, a frame portion (hitch cross member) is provided along the vehicle width direction, and the longitudinal end portions of the frame portion extend along the vehicle front-rear direction. A side plate (hitch side member) is provided.

  A bent portion that bends inward in the vehicle width direction is provided at a substantially central portion of the side plate in the longitudinal direction. The length of the side plate in the vehicle width direction on the vehicle front side is the vehicle rear portion of the side plate. It is shorter than the side. Then, a plate-like attachment member attached to the side surface of the rear side member is attached to the vehicle front side of the side plate, and the towing hitch member is fixed to the rear side member via the attachment member. .

JP 2008-143461 A

  However, in this prior art, when an acceleration / deceleration load is input along the pulling direction (vehicle front-rear direction), the frame portion is displaced in the vehicle front-rear direction, and thereby the frame portion is displaced in the vehicle width direction. As a result, there is a possibility that the side plate will sway (displace in the vehicle width direction). For this reason, it is necessary to increase the plate thickness of the mounting member or increase the number of bolts for fixing the towing hitch member to the rear side member, resulting in an increase in cost.

  In view of the above facts, an object of the present invention is to obtain a towing hitch member and a vehicle body structure that can realize the low-side suppression of the hitch side member at low cost.

The towing hitch member according to the present invention as set forth in claim 1 is disposed along the vehicle width direction at the rear of the vehicle, and is formed integrally at both ends in the longitudinal direction and bulges toward the vehicle front side. Are fixed to the outer side in the vehicle width direction of the left and right bulged portions, respectively, and are provided along the vehicle front-rear direction so that at least a portion thereof overlaps the bulged portion in a side view of the vehicle. A first plate and a pair of left and right sides arranged on the vehicle width direction outside of the first plate and extending along the vehicle front-rear direction and fixed directly or indirectly to the first plate And a member.

In the towing hitch member according to the first aspect of the present invention, the bulge that bulges toward the vehicle front side at both ends in the longitudinal direction (vehicle width direction) of the cross member arranged along the vehicle width direction. The protruding portions are formed integrally with the cross member . As a result, acceleration / deceleration load is input along the vehicle longitudinal direction during towing, and when the load is transmitted to the side member via the cross member, the load is dispersed in the vehicle longitudinal direction at the bulging portion.

  And the 1st plate is each fixed along the vehicle front-back direction so that at least one part may overlap with the said swelling part at the vehicle width direction outer side of the right and left swelling part. Thereby, the outer edge part of a bulging part can be strengthened and the rigidity and intensity | strength of the said cross member can be improved in the both ends of the longitudinal direction of a cross member.

A pair of left and right side members are disposed along the vehicle front-rear direction on the outer side in the vehicle width direction of the first plate, and are fixed directly or indirectly to the first plate. In other words, in the present invention, in the fixing portion between the cross member and the side member, the bulging portion formed integrally with the cross member is provided on the cross member side, and the first plate is provided. As a result, the rigidity and strength of the cross member can be strengthened, and accordingly, the side members can be prevented from shaking laterally (displacement in the vehicle width direction can be reduced). Further, by integrally forming the bulging portion on the cross member, it is possible to cope with a lower cost compared to the case where a reinforcing member is separately attached to the cross member.

  A towing hitch member according to a second aspect of the present invention is the towing hitch member according to the first aspect, wherein a second plate is interposed between the first plate and the side member, Each of the one plate and the side member is fixed to the second plate.

  In the towing hitch member according to the second aspect of the present invention, the second plate is interposed between the first plate and the side member. That is, the side member is indirectly attached to the cross member with respect to the first plate. Thus, the rigidity and strength of the side member can be improved by fixing the second plate fixed to the first plate to the side member.

  A towing hitch member according to a third aspect of the present invention is the towing hitch member according to the first or second aspect, wherein the towing hitch member is provided on the side member and fixed directly or indirectly to the first plate. The first fixed portion and the bulging portion overlap each other in a vehicle side view.

  The first fixing portion to which the first plate and the side member are fixed and the bulging portion formed on the cross member have higher strength than the other portions of the cross member and the side member. For this reason, in the towing hitch member according to the third aspect of the present invention, since the first fixed portion and the bulging portion are set so as to overlap in a side view of the vehicle, the strength of the cross member and the side member is increased. Load transmission is performed at a high point. As a result, the side members can be effectively prevented from shaking.

  A towing hitch member according to a fourth aspect of the present invention is the towing hitch member according to the first or second aspect, wherein the towing hitch member is directly or indirectly fixed to the first plate and fixed to the side member. A bracket is provided that is fixed to the vehicle body side in a state in which it is applied.

  In the towing hitch member according to the fourth aspect of the present invention, a bracket fixed to the first plate is provided, and the bracket is fixed to the side member. The side member is fixed to the first plate. By fixing the bracket to the side member and the first plate, the rigidity and the rigidity of the fixing portion between the cross member and the side member are increased. Strength can be further strengthened.

  A towing hitch member according to a fifth aspect of the present invention is the towing hitch member according to the fourth aspect of the present invention, wherein the second fixing is provided on the bracket and fixed directly or indirectly to the first plate. The portion and the bulging portion overlap each other when viewed from the side of the vehicle.

  The second fixing portion to which the first plate and the bracket are fixed and the bulging portion formed on the cross member have higher strength than the other portions of the side member or the cross member. For this reason, in the towing hitch member according to the fifth aspect of the present invention, the cross member and the side member have a strength by setting the second fixing portion and the bulging portion so as to overlap in a side view of the vehicle. Load transmission is performed at a high point. As a result, the side members can be effectively prevented from shaking.

  In the vehicle body structure according to the sixth aspect of the present invention, the towing hitch member according to any one of the first to third aspects is attached to the rear portion of the bumper reinforcement provided at the rear portion of the vehicle.

  In the vehicle body structure according to the sixth aspect of the present invention, since the towing hitch member is attached to the rear portion of the bumper reinforcement, it is not necessary to remove the bumper reinforcement when attaching the towing hitch member to the rear portion of the vehicle.

  A vehicle body structure according to a seventh aspect of the present invention is provided with the towing hitch member according to the fourth or fifth aspect in place of the bumper reinforcement provided at the rear of the vehicle.

  In the vehicle body structure according to the seventh aspect of the present invention, since a towing hitch member is attached instead of the bumper reinforcement, an increase in vehicle mass can be suppressed.

  As described above, the towing hitch member according to the first aspect of the present invention has an excellent effect that the side members can be prevented from laterally moving at low cost.

  The towing hitch member according to the second aspect of the present invention has the excellent effect that the rigidity and strength of the side member can be improved and the rigidity and strength of the fixing portion between the cross member and the side member can be enhanced. Have.

  According to the third aspect of the present invention, the towing hitch member according to the present invention is capable of effectively suppressing the lateral shaking of the side member because the load transmission is performed at a location where the strength is high in the cross member and the side member. Has an excellent effect.

  The towing hitch member according to the fourth aspect of the present invention has an excellent effect that the rigidity and strength of the fixing portion between the cross member and the side member can be enhanced.

  In the towing hitch member according to the present invention described in claim 5, in the cross member and the side member, since the load transmission is performed linearly at a location where the strength is high, it is possible to further suppress the lateral shaking of the side member. It has an excellent effect.

  The vehicle body structure according to the sixth aspect of the present invention has an excellent effect that the towing hitch member can be easily attached to the rear portion of the vehicle.

  The vehicle body structure according to the seventh aspect of the present invention has an excellent effect that an increase in vehicle mass can be suppressed even though the towing hitch member is attached to the rear portion of the vehicle.

It is the perspective view which looked at the vehicle with which the towing hitch member which concerns on 1st Embodiment was attached from the downward direction. It is a perspective view which shows the towing hitch member which concerns on 1st Embodiment. It is a disassembled perspective view which shows the towing hitch member which concerns on 1st Embodiment. It is a perspective view corresponding to Drawing 1 showing the state before the towing hitch member concerning a 1st embodiment is attached. It is the perspective view which looked at the vehicle with which the towing hitch member which concerns on 2nd Embodiment was attached from the downward direction. It is a perspective view which shows the towing hitch member which concerns on 2nd Embodiment. It is a disassembled perspective view which shows the towing hitch member which concerns on 2nd Embodiment. FIG. 6 is a perspective view corresponding to FIG. 5 showing a state before the bumper reinforcement and the crash box are removed. It is a perspective view corresponding to Drawing 5 showing the state where a bumper reinforcement and a crash box were removed.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Note that an arrow FR appropriately shown in the drawing indicates a forward direction in the vehicle longitudinal direction, and an arrow UP indicates an upward direction in the vehicle vertical direction. An arrow RH indicates the right side in the vehicle width direction.

<First Embodiment>
(Composition of towing hitch members)

  FIG. 1 shows a perspective view of the rear side of the vehicle 10 to which the towing hitch member 20 according to the present embodiment is attached as viewed from the vehicle lower side, and FIG. 4 shows that the towing hitch member 20 is attached. The state before being played is shown.

  As shown in FIG. 4, rear floor side members 12 extend along the vehicle front-rear direction on both sides in the vehicle width direction on the rear side of the vehicle 10. On the vehicle rear side of the rear floor side member 12, a rectangular tube-like crash box 16 is disposed along the vehicle front-rear direction via a connecting portion 14. A rear bumper reinforcement 18 is fixed to the rear end portion of the crash box 16 along the vehicle width direction so as to span the crash box 16.

  As shown in FIG. 1, a towing hitch member 20 is attached to the rear bumper reinforcement 18 on the vehicle rear side. A rear bumper cover (not shown) is attached to the rear side of the towing hitch member 20 in the vehicle.

  Here, the towing hitch member 20 includes a hitch cross member 22 as a cross member arranged along the vehicle width direction. Since the hitch cross member 22 is disposed to face the rear bumper cover, the hitch cross member 22 is formed linearly or curvedly in the vehicle width direction along the shape of the rear bumper cover.

  FIG. 2 is a perspective view of the towing hitch member 20 as viewed from below, and FIG. 3 is an exploded perspective view of the towing hitch member 20 as viewed from below. The hitch cross member 22 shown in FIGS. 2 and 3 is a hollow rod-like member, and bulges toward the vehicle front side toward both ends in the longitudinal direction at both ends in the longitudinal direction (vehicle width direction). A bulging portion 22A is formed. The bulging portion 22A is formed, for example, such that both ends in the longitudinal direction of the hitch cross member 22 are plastically deformed by pressing or the like, and become wide along the vehicle front-rear direction.

  The hitch cross member 22 includes a front wall 22B positioned on the vehicle front side and a lower portion of the rear wall 22C positioned on the vehicle rear side of the hitch cross member 22. A mounting base 24 is fixed to the lower part of the hitch cross member 22. The mounting base 24 is provided with a support portion 26 that protrudes toward the rear side of the vehicle, and a hook portion 28 bent in a substantially L shape when viewed from the left side of the vehicle is provided at the front end portion of the support portion 26. Is formed.

  A hitch ball 30 is provided on the hook portion 28. The hitch ball 30 can be connected to a connecting portion provided at a tip portion of a towed vehicle such as a camper or a boat loaded vehicle (not shown). In a state where the connecting portion is connected to the hitch ball 30, the connecting portion is supported so as to be rotatable around an axis whose axial direction is the vertical direction of the vehicle 10 (the arrow UP direction in each figure and the opposite direction). .

  On the other hand, at both ends of the hitch cross member 22 in the longitudinal direction, plates 32 as first plates having a substantially L shape when viewed from the right side of the vehicle are provided. The plate 32 includes a fixed portion 32A disposed along the vehicle vertical direction, and a fixed portion 32B disposed along the vehicle front-rear direction from the lower portion of the fixed portion 32A.

  A plurality of attachment holes 34 are formed in the upper portion of the fixed portion 32A. Further, the fixing portion 32A is set so as to protrude from the lower wall 22D of the hitch cross member 22. That is, the fixing portion 32 </ b> A is formed to have a larger area than the bulging portion 22 </ b> A of the hitch cross member 22.

  The outer edge portion of the bulging portion 22A is welded and fixed to the plate 32 along the shape of the bulging portion 22A so that the fixed portion 32A side of the plate 32 overlaps the bulging portion 22A. An attachment hole 36 is formed in the fixed portion 32B of the plate 32 on the tip side.

  On the other hand, a hitch side member 38 as a side member extends along the vehicle front-rear direction outside the hitch cross member 22 in the vehicle width direction. The cross-sectional shape of the hitch side member 38 along the vehicle width direction is a substantially inverted L shape. The hitch side member 38 is disposed on the inner side in the vehicle width direction and is formed along the vertical direction of the vehicle. The horizontal wall 42 projects from the upper end of the vertical wall 40 toward the outer side in the vehicle width direction. It is comprised including.

  In the hitch side member 38, an attachment piece 44 extending from the end of the vertical wall 40 toward the vehicle rear side is provided on one end side of the hitch side member 38 located on the vehicle rear side. 44 is formed with mounting holes 44A and 44B. A weld piece 46 extending from the end of the lateral wall 42 toward the vehicle rear side is provided on one end side of the hitch side member 38. A rectangular cutout 48 cut out from the attachment piece 44 side is formed at the base of the welded piece 46, and the width dimension of the welded piece 46 is narrowed.

  A plurality of mounting holes 42 </ b> A are formed in the horizontal wall 42. In addition, a rectangular fixed piece 50 is formed on the side of the lateral wall 42 on the side of the weld piece 46 so as to stand upward from the side end surface located on the outer side in the vehicle width direction. A mounting hole 50A is formed.

  On the other hand, as shown in FIG. 4, on the vehicle 10 side, the rear floor side member 12 extending along the vehicle front-rear direction has a mounting hole 42A formed in the lateral wall 42 of the hitch side member 38 shown in FIG. The mounting holes 12A and 12B corresponding to the mounting holes 50A formed in the fixed piece 50 are formed. As shown in FIG. 1, the hitch side member 38 is fastened and fixed to the rear floor side member 12 via bolts 51.

  Further, as shown in FIG. 3, a plate 52 can be attached to the inner side of the vertical wall 40 in the vehicle width direction. The plate 52 has a substantially similar shape to the plate 32, and a fixed portion 52A disposed along the vehicle vertical direction and a fixed portion disposed along the vehicle front-rear direction from the lower portion of the fixed portion 52A. Part 52B.

  The fixing portion 52B of the plate 52 is set to be slightly larger than the fixing portion 32B of the plate 32, and an attachment hole 34 formed in the fixing portion 32A of the plate 32 is formed above the fixing portion 52A. A plurality of corresponding mounting holes 54 are formed. The fixing portion 52B is formed with an attachment hole 56 corresponding to the attachment hole 36 formed in the fixing portion 32B of the plate 32.

  Here, an attachment piece 44 extending from the vertical wall 40 of the hitch side member 38 can be brought into contact with the fixing portion 52B, and the attachment holes 44A and 44B formed in the attachment piece 44 correspond to the attachment holes 44A and 44B. 56 and 58 are formed. A bolt 60 (see FIG. 2) can be inserted into the mounting hole 44A of the hitch side member 38 and the mounting hole 56 of the plate 52, and a bolt 62 (see FIG. 2) can be inserted into the mounting hole 44B and the mounting hole 58 of the plate 52. 2) can be inserted. These bolts 60 and 62 are screwed into nuts 59 and 61 (see FIG. 2), respectively, and the plate 52 is fastened and fixed to the hitch side member 38.

  Further, in a state where the plate 52 is fixed to the hitch side member 38, the side end face 46 </ b> A located on the inner side in the vehicle width direction of the weld piece 46 of the hitch side member 38 is set to be able to contact the plate 52. Yes. Then, the side end face 46 </ b> A (hereinafter referred to as “welded portion 46 </ b> A”) of the weld piece 46 is welded and fixed to the plate 52 in a state where the weld piece 46 is in contact with the plate 52.

  A bolt 63 (see FIG. 2) can be inserted into the mounting hole 54 of the plate 52 and the mounting hole 34 of the plate 32. For example, the bolt 63 is screwed into a weld nut (not shown) provided in the plate 32. Is done. As a result, the hitch side member 38 is fastened and fixed to the hitch cross member 22 via the plate 32 and the plate 52. Then, in a state in which the hitch side member 38 is fixed to the hitch cross member 22, the welded portion 46A and the bulging portion 22A may be set to overlap in a vehicle side view.

(Operation and effect of the present embodiment)
Next, the operation and effect of this embodiment will be described.

  As shown in FIG. 1, when a tow hitch member 20 is mounted on a vehicle 10 to which a tow hitch vehicle (not shown) is connected and towed, it is provided at the center in the vehicle width direction of the front end of the towed vehicle. The connected portion is fitted into the hitch ball 30. When the vehicle 10 travels in this state, the towed vehicle is pulled by the vehicle 10 and travels together with the vehicle 10.

  Here, in this embodiment, the towing hitch member 20 is attached to the rear side of the rear bumper reinforcement 18 in the vehicle. That is, it is not necessary to remove the rear bumper reinforcement 18 when attaching the towing hitch member 20 to the rear portion of the vehicle, and the towing hitch member 20 can be easily attached to the rear portion of the vehicle.

  By the way, in general, when towing a towed vehicle, when acceleration / deceleration load is input along the vehicle longitudinal direction, the hitch cross member 22 is displaced in the vehicle longitudinal direction, and the hitch cross member 22 is moved in the vehicle width direction. Displace at. As a result, the hitch side member 38 may cause a lateral shake.

  For this reason, in this embodiment, bulging portions 22 </ b> A that bulge toward the vehicle front side toward both ends in the longitudinal direction are formed on both ends in the longitudinal direction of the hitch cross member 22. As a result, acceleration / deceleration load is input along the vehicle longitudinal direction during towing, and when the load is transmitted to the hitch side member 38 via the hitch cross member 22, the load is applied in the vehicle longitudinal direction at the bulging portion 22A. Distributed.

  Further, on the outer side in the vehicle width direction of the bulging portion 22A, the bulging portion 22A is formed along the shape of the bulging portion 22A so that at least a part of the plate 32 overlaps the bulging portion 22A in a side view of the vehicle. The outer edge of the plate is fixed to the plate 32 by welding. Thereby, the outer edge part of 22 A of bulging parts can be strengthened, and the rigidity and intensity | strength of the said hitch cross member 22 can be improved in the both ends of the longitudinal direction of the hitch cross member 22.

  A hitch side member 38 to which a plate 52 as a second plate is fixed is disposed along the vehicle front-rear direction on the outer side in the vehicle width direction of the plate 32, and the hitch side is interposed via the plate 52 and the plate 32. A member 38 is fixed to the hitch cross member 22.

  That is, in this embodiment, in the fixing portion 35 as the first fixing portion of the hitch cross member 22 and the hitch side member 38, the bulging portion 22A and the plate 32 are provided on the hitch cross member 22 side. . A plate 52 is fixed to the hitch side member 38 side. The hitch side member 38 is attached to the hitch cross member 22 by fixing the plate 52 to the plate 32.

  As a result, the rigidity and strength of the fixing portion 35 between the hitch cross member 22 and the hitch side member 38 can be further strengthened, and accordingly the lateral movement of the hitch side member 38 can be suppressed. That is, the towing hitch member 20 can sufficiently secure the strength required for towing the towed vehicle. Further, by forming the bulging portion 22 </ b> A in the hitch cross member 22, it is possible to cope with a lower cost compared to the case where a separate reinforcing member is attached to the hitch cross member 22.

  In this embodiment, the welded portion 46A of the weld piece 46 of the hitch side member 38 is welded and fixed to the plate 52 in a state where the plate 52 is fixed to the hitch side member 38. You may set so that 22 A of protrusion parts may overlap with vehicle side view.

  The welded portion 46 </ b> A and the bulging portion 22 </ b> A are higher in strength than the other portions of the hitch side member 38 or hitch cross member 22. For this reason, by setting the welded portion 46A and the bulging portion 22A so as to overlap in a vehicle side view, the hitch side member 38 and the hitch cross member 22 can transmit a load linearly at a location where the strength is high. Will be done. Therefore, it is possible to effectively suppress the lateral movement of the hitch side member 38.

Second Embodiment
Next, the configuration of the towing hitch member according to the second embodiment will be described. In addition, the same code | symbol is attached | subjected to the site | part equivalent to 1st Embodiment, and detailed description (a common effect | action is also included) is abbreviate | omitted.

  As shown in FIGS. 1 and 4, in the first embodiment, a towing hitch member 20 is directly attached to the rear bumper reinforcement 18 on the vehicle rear side. However, in the present embodiment, as shown in FIGS. 8 and 9, the rear bumper reinforcement 64 and the crash box 66 disposed along the vehicle width direction at the rear portion of the vehicle 11 are removed. Instead of these, as shown in FIG. 5, a towing hitch member 68 can be attached. Thereby, although the towing hitch member 68 is attached to the rear part of the vehicle, an increase in vehicle mass can be suppressed.

  In the first embodiment, since the towing hitch member 20 is attached to the rear side of the rear bumper reinforcement 18, the towing hitch member 20 needs to avoid interference with the rear bumper reinforcement 18. However, in the second embodiment, since the rear bumper reinforcement 64 is removed, such a problem does not occur.

  Here, since whether or not to remove the rear bumper reinforcement generally differs depending on the vehicle type, the shape of the towing hitch member also changes depending on the position of the rear bumper reinforcement and the rear floor side member in the vehicle vertical direction.

  For example, as shown in FIGS. 6 and 7, the towing hitch member 68 includes a hitch cross member 70 as a cross member, a plate 72 as a first plate, a hitch side member 74 as a side member, and a second plate. In addition to the plate 76, a bracket 78 having a substantially L shape in plan view is provided.

  As shown in FIG. 9, a mounting wall 80 for mounting the crash box 66 (see FIG. 8) is provided on the vehicle 11 side. For this reason, as shown in FIG. 5, the bracket 78 is formed so that the bracket 78 can be attached to the attachment wall 80.

  For example, as shown in FIGS. 5 to 7, a wall on one side of the bracket 78 is a coupling wall 78 </ b> A, and the coupling wall 78 </ b> A is coupled to the mounting wall 80 (bolt fastening). The other wall is a coupling wall 78B, and the coupling wall 78B is coupled (welded) to the plate 76 as the second fixing portion 79.

  Furthermore, an upper wall portion 78C and a lower wall portion 78D are provided so as to connect the upper end portions or the lower end portions of the coupling wall 78A and the coupling wall 78B, and the bracket 78 is reinforced. The lower wall portion 78D of the bracket 78 is fixed to the horizontal wall 74A of the hitch side member 74 by welding. In addition, since these members should just be mutually fixed, it does not prescribe | regulate in particular about the fixing method.

  In the present embodiment, the bulging portion 70A provided on both ends in the longitudinal direction of the hitch cross member 70 and the coupling wall 78B (second fixing portion 79) of the bracket 78 are set so as to overlap in a side view of the vehicle. Has been. The bulging portion 70 </ b> A and the second fixing portion 79 are stronger than the other portions of the hitch side member 74 or hitch cross member 70.

  For this reason, the bulging portion 70A of the hitch cross member 70 and the coupling wall 78B of the bracket 78 are set so as to overlap in a side view of the vehicle, whereby the hitch side member 74 and the hitch cross member 70 have high strength. Thus, load transmission is performed linearly. Therefore, it is possible to effectively suppress the lateral movement of the hitch side member 74.

(Supplement of embodiment)
As shown in FIG. 3, in the fixing portion 35 between the hitch cross member 22 and the hitch side member 38, the plate 32 is fixed to the hitch cross member 22, and the plate 52 is fixed to the hitch side member 38. The plate 52 is not always necessary, and the hitch side member 38 may be fixed directly to the plate 32.

  In addition, it is preferable that the welded portion 46A of the hitch side member 38 and the bulged portion 22A of the hitch cross member 22 are set so as to overlap in a side view of the vehicle, but depending on the vehicle type, the welded portion 46A and the bulged portion 22A However, it may not overlap in the side view of the vehicle.

  As described above, the present invention has been described with reference to one embodiment. However, the present invention is not limited to the embodiment, and the above-described embodiments are within the scope of the present invention. Various modifications and substitutions can be made to the embodiment.

10 Vehicle 11 Vehicle 18 Rear bumper reinforcement (bumper reinforcement)
20 Towing hitch member 22 Hitch cross member (cross member)
22A bulge 32 plate (first plate)
35 fixing part (first fixing part)
38 Hitch side member (side member)
52 plates (second plate)
64 Rear bumper reinforcement (bumper reinforcement)
68 Towing hitch member 70 Hitch cross member (cross member)
70A bulge 72 plate (first plate)
74 Hitch Side Member (Side Member)
74A Horizontal wall 76 plate (second plate)
78 Bracket 79 Second fixing portion

Claims (7)

Cross members disposed along the vehicle width direction at the rear of the vehicle , formed integrally at both ends in the longitudinal direction, and formed with bulges that bulge toward the vehicle front side, and
A first plate fixed on the vehicle width direction outside of the left and right bulging portions, and provided along the vehicle front-rear direction so that at least a portion thereof overlaps the bulging portion in a vehicle side view;
A pair of left and right side members that are disposed on the outer side of the first plate in the vehicle width direction, extend along the vehicle front-rear direction, and are fixed directly or indirectly to the first plate;
A towing hitch member.   2. The towing hitch member according to claim 1, wherein a second plate is interposed between the first plate and the side member, and the first plate and the side member are each fixed to the second plate.   The towing hitch according to claim 1 or 2, wherein a first fixing portion provided on the side member and fixed directly or indirectly to the first plate overlaps the bulging portion in a side view of the vehicle. member.   The towing hitch member according to claim 1 or 2, further comprising a bracket that is fixed directly or indirectly to the first plate and fixed to the vehicle body in a state of being fixed to the side member.   The towing hitch member according to claim 4, wherein a second fixing portion provided on the bracket and fixed directly or indirectly to the first plate and the bulging portion overlap each other in a side view of the vehicle.   A vehicle body structure in which the towing hitch member according to any one of claims 1 to 3 is attached to a rear part of a bumper reinforcement provided in a rear part of the vehicle.   A vehicle body structure to which the towing hitch member according to claim 4 or 5 is attached instead of the bumper reinforcement provided at the rear of the vehicle.

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