JP7125924B2 - vehicle front structure - Google Patents

Description

The present invention relates to a vehicle front structure.

Generally, a frame member having a rectangular frame-like portion is provided at the front end of an engine room of a vehicle. This rectangular frame-shaped portion is composed of an upper portion and a lower portion extending in the vehicle width direction and spaced apart in the vehicle vertical direction, and a pair of side portions extending in the vehicle vertical direction between these members. serves as a radiator support on which is placed. A hood lock device for locking the engine hood in a closed state is attached to the center in the vehicle width direction of the upper portion of the upper portion.

In the vehicle described in Patent Literature 1, a bumper portion is provided as a portion of the frame member, which is arranged in front of the rectangular frame-shaped portion and extends in the vehicle width direction. A brace portion extending in the vertical direction of the vehicle is provided between the bumper portion and the center of the upper portion in the vehicle width direction. The brace portion supports the attachment portion of the hood lock device in the upper portion from below.

JP 2009-126381 A

Here, the position of the hood lock device is adjusted when assembling the vehicle. In the vehicle described in Patent Literature 1, the frame member has a rectangular frame-shaped portion and a brace portion that is constructed between the upper portion and the bumper portion. For this reason, in the above vehicle, the position of the upper portion to which the hood lock device is attached is determined by the positions of the surrounding members such as the pair of side portions and the brace portion. It can be said that position adjustment is becoming difficult. This is one of the factors that reduce the degree of freedom in adjusting the position of the hood locking device.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and an object of the present invention is to provide a vehicle front structure in which the position of the hood lock device can be adjusted with a high degree of freedom.

A vehicle front structure for solving the above problem includes an upper portion extending in the vehicle width direction, and a lower portion extending in the vehicle width direction, which are arranged at intervals in the vehicle width direction. and a pair of side portions extending in the vertical direction of the vehicle. and a brace portion constructed between an intermediate portion of the upper portion in the vehicle width direction and a lower member disposed below the upper portion of the frame member, wherein: The brace portion has a first fixing portion that is fastened and fixed to the upper portion by a first screw member, and a second fixing portion that is fastened and fixed to the lower member by a second screw member. One of the first direction, which is the fastening and fixing direction of the first fixing portion by the member, and the second direction, which is the fastening and fixing direction of the second fixing portion by the second screw member, is the vertical direction of the vehicle. and the other is in the longitudinal direction of the vehicle.

1 is a perspective view of a vehicle front structure according to one embodiment; FIG. FIG. 2 is an exploded perspective view of the vehicle front structure; Sectional drawing of the 1st fixing|fixed part of a brace part, and its periphery. 4 is a flow chart showing a procedure for assembling the vehicle front structure; FIG. 2 is a side view of the vehicle front structure; FIG. 11 is a perspective view of a hood lock device of another embodiment and its surroundings; The side view of the vehicle front part structure of other embodiment.

An embodiment of the vehicle front structure will be described below.
As shown in FIGS. 1 and 2, a vehicle 10 has a pair of side members 11 forming part of the skeleton. These side members 11 are spaced apart in the vehicle width direction and extend in parallel in the vehicle front-rear direction (hereinafter simply referred to as the front-rear direction). Side member 11 is made of a metal material.

A lower frame member 12 is integrally provided at the front end of the side member 11 . The lower frame member 12 is provided between the pair of side members 11 so as to protrude downward in a substantially U-shape. The lower frame member 12 is made of metal material. Specifically, the lower frame member 12 includes a pair of lower side portions 13 that are spaced apart in the vehicle width direction and extend in the vehicle vertical direction (hereinafter simply referred to as the vertical direction). These lower side portions 13 extend downward from the front end of the side member 11 . The lower frame member 12 also includes a lower portion 14 that extends between the lower ends of the pair of lower side portions 13 so as to extend in the vehicle width direction.

An upper side portion 20 is provided at the front end of each side member 11 . The upper side portion 20 is made of metal material. Each upper side portion 20 has a flat plate portion 21 extending in the vertical direction and the vehicle width direction. Each upper side portion 20 has a flat plate-shaped fixed wall portion 22 extending in the vertical direction and the front-rear direction. The fixed wall portion 22 is erected at the upper end of the flat plate portion 21 on the inner side in the vehicle width direction so as to protrude forward of the vehicle 10 . In this embodiment, the lower side portion 13 and the upper side portion 20 correspond to a pair of side portions that are spaced apart in the vehicle width direction and extend in the vertical direction.

Between the fixed wall portions 22 of the pair of upper side portions 20 is provided an upper portion 30 extending in the vehicle width direction while being sandwiched between the fixed wall portions 22 . The upper portion 30 is made of a synthetic resin material.

The upper portion 30 is fastened and fixed to the pair of upper side portions 20 by screw members 31 . Specifically, female threads 30A (FIG. 2) extending in the vehicle width direction are provided at both end portions of the upper portion 30 in the vehicle width direction. Further, the fixed wall portion 22 of each upper side portion 20 is provided with a through hole 22A having a circular cross section and penetrating in the vehicle width direction. A screw member 31 as a third fixing screw member is inserted into the through hole 22A of the upper side portion 20 and screwed into the female thread 30A of the upper portion 30 . In this manner, the upper portion 30 is fastened and fixed to the pair of upper side portions 20 .

Here, since the portion to be fastened and fixed by the screw member has a structure in which the screw member is inserted through the through-hole, the space between the outer peripheral surface of the screw member and the inner peripheral surface of the through-hole is large enough to be fastened and fixed. It becomes possible to shift and adjust the relative positions of the members.

In this embodiment, the upper portion 30 is fixed to the upper side portion 20 by the gap between the screw member 31 and the through hole 22A of the upper side portion 20 at the portion where the upper portion 30 is fastened and fixed to the upper side portion 20. It is possible to adjust the position in the front-rear direction and the adjustment in the vertical direction. In the present embodiment, the size of the through hole 22A is determined so that the fixing position of the upper portion 30 with respect to the upper side portion 20 can be properly adjusted.

In the present embodiment, the upper portion 30 is arranged above and extends in the vehicle width direction, the lower portion 14 is arranged below and extends in the vehicle width direction, and is arranged at intervals in the vehicle width direction and in the vertical direction. A “frame-shaped portion” consisting of a pair of extending side portions (lower side portion 13 and upper side portion 20 ) is arranged at the front portion of vehicle 10 . This "frame-shaped part" functions as a part in which a radiator (not shown) is arranged, that is, a so-called radiator support.

A crash box 23 is integrally formed on the front surface of the flat plate portion 21 of each upper side portion 20 . The crash box 23 has a rectangular tubular shape and extends in the front-rear direction. A bumper portion 24 is constructed between the front ends of these crash boxes 23 . The bumper portion 24 extends in the vehicle width direction in front of the "frame-shaped portion". As described above, in the vehicle 10 , the bumper portion 24 is constructed between the pair of upper side portions 20 via the crash box 23 . The crash box 23 and the bumper section 24 are made of metal material. In this embodiment, the frame-like portion consisting of the upper side portion 20, the lower side portion 13, the upper portion 30 and the lower portion 14, the crash box 23 and the bumper portion 24 correspond to the frame member.

A brace portion 40 is provided between the upper portion 30 and the bumper portion 24 to reinforce the frame member. The brace portion 40 is made of a metal material. The brace portion 40 extends with a hat-shaped cross section. More specifically, the brace portion 40 extends in the front-rear direction with a hat-shaped cross section in which the upper portion is convex upward, and the lower portion extends in the vertical direction with a hat-shaped cross section in which the lower portion is convex forward. It has a curved shape. The extending shape of the brace portion 40 is determined so that the vertically extending portion of the brace portion 40 extends at a position away from the "frame-shaped portion".

A rear end portion of the upper portion of the brace portion 40 serves as a first fixing portion 41 that is fixed to the upper portion 30 . The first fixing portion 41 is provided with a through hole 41A having a circular cross section and penetrating in the vertical direction. The upper portion 30 has a front wall portion 33 extending in the vehicle width direction and the front-rear direction as well as constituting the front portion thereof. It is A screw member 43 as a first screw member is screwed into the female thread 33A of the front wall portion 33 of the upper portion 30 while being inserted through the through hole 41A of the first fixing portion 41 of the brace portion 40 . . Thereby, the first fixing portion 41 of the brace portion 40 is fastened and fixed to the upper portion 30 . In this embodiment, the fastening direction of the screw member 43, that is, the fastening and fixing direction of the first fixing portion 41 by the screw member 43 is the vertical direction, and this fastening and fixing direction corresponds to the first direction.

In this embodiment, the fixing position of the brace portion 40 with respect to the upper portion 30 can be adjusted in the longitudinal direction and in the vehicle width direction by the amount of the gap between the through hole 41A of the first fixing portion 41 of the brace portion 40 and the screw member 43. Adjustment is possible. In this embodiment, the size of the through hole 41A is determined so that the fixing position of the brace portion 40 with respect to the upper portion 30 can be properly adjusted.

A lower end portion of the lower portion of the brace portion 40 serves as a second fixing portion 44 that is fixed to the bumper portion 24 . The second fixing portion 44 is provided with a through hole 44A having a circular cross section and penetrating in the front-rear direction. A flange 25 protrudes from the center of the upper portion of the bumper portion 24 in the vehicle width direction, and the flange 25 is provided with a female screw 25A extending in the front-rear direction. A screw member 27 as a second screw member is inserted into the through hole 44A of the second fixing portion 44 of the brace portion 40 and screwed into the internal thread 25A of the flange 25 of the bumper portion 24 . Thereby, the second fixing portion 44 of the brace portion 40 is fastened and fixed to the bumper portion 24 . In this embodiment, the fastening direction of the screw member 27, that is, the fastening and fixing direction of the second fixing portion 44 by the screw member 27 is the front-rear direction, and this fastening and fixing direction corresponds to the second direction.

In this embodiment, the fixing position of the brace portion 40 to the bumper portion 24 can be adjusted in the vertical direction or in the vehicle width direction by the clearance between the through hole 44A of the second fixing portion 44 of the brace portion 40 and the screw member 27. Adjustment is possible. In this embodiment, the size of the through hole 44A is determined so that the fixing position of the brace portion 40 with respect to the bumper portion 24 can be properly adjusted.

A hood lock device 50 for locking an engine hood (not shown) in a closed state is attached to the center of the upper surface of the upper portion 30 in the vehicle width direction.
Specifically, the upper portion 30 has a rear wall portion 35 that forms a rear portion and extends in the vertical direction and the vehicle width direction. A female thread 35A is provided. Side flanges 51 project from both ends of the hood lock device 50 in the vehicle width direction, and the side flanges 51 are provided with through-holes 51A having a circular cross section and penetrating in the front-rear direction. The threaded member 53 is inserted into the through hole 51A of the side flange 51 of the hood lock device 50 and screwed into the female thread 35A of the rear wall portion 35 of the upper portion 30 . As a result, the side flanges 51 of the hood lock device 50 are fastened and fixed to the rear wall portion 35 of the upper portion 30 .

A lower flange 54 protruding forward is provided at the lower end of the hood lock device 50. The lower flange 54 is provided with a through hole 54A having a circular cross section and penetrating vertically. Then, as shown in FIG. 3, the screw member 43 is inserted through the through hole 41A of the first fixing portion 41 of the brace portion 40 and the through hole 54A of the lower flange 54 of the hood lock device 50, and the upper portion is The internal thread 33A of the front wall portion 33 of 30 is screwed. As a result, the first fixing portion 41 of the brace portion 40 and the lower flange 54 of the hood lock device 50 are fastened together and fixed to the front wall portion 33 of the upper portion 30 by the screw member 43 .

By fastening and fixing the brace portion 40 and the hood lock device 50 together to the upper portion 30 in this way, when the upper portion 30 is deformed due to a collision of the vehicle 10 or the like, the deformed portion of the upper portion 30 and the deformed portion of the upper portion 30 can be secured together. The brace portion 40 connected to the hood lock device 50 prevents the hood lock device 50 from moving.

The procedure for assembling the vehicle front structure of the present embodiment will be described below together with its operation.
As shown in FIG. 4, when assembling the vehicle front structure, first, a first step is performed.
In this first step, as shown in FIGS. 1 and 2, the crash box 23, the bumper section 24, the pair of upper side sections 20, and the upper section 30 are assembled together as one assembly. Specifically, as shown in FIG. 2, a crash box 23, a bumper portion 24, and a pair of upper side portions 20 are integrally formed in advance. The upper portion 30 is constructed between the upper side portions 20 by screwing the screw member 31 into the through hole 22A of the upper side portion 20 and screwing it into the female thread 30A of the upper portion 30 .

As shown in FIG. 4, the second step is performed after the first step.
In this second step, the assembly is secured to the front of vehicle 10, as shown in FIGS. Specifically, the flat plate portions 21 of the pair of upper side portions 20 are fixed to the front ends of the side members 11 by screwing.

As shown in FIG. 4, the 3rd process is performed after the 2nd process.
In this third step, as shown in FIG. 5, the position of the upper portion 30 is adjusted. Specifically, the screw member 31 that fastens and fixes the upper side portion 20 to the upper portion 30 is once loosened. Then, the position of the upper portion 30 with respect to the upper side portion 20 is adjusted so that the positional relationship between the reference plane set on the side member 11 and the rear surface 37 of the upper portion 30 becomes a predetermined regular relationship. After such position adjustment, the screw member 31 is tightened again.

In this embodiment, the upper portion 30 is made of a synthetic resin material, whereas the portion of the frame member other than the upper portion 30 is made of a metal material. As a result, the dimensional accuracy of the upper portion 30 among the components constituting the frame member tends to be low, and the arrangement position of the upper portion 30 tends to shift. In the present embodiment, the upper portion 30 is fastened and fixed to the pair of upper side portions 20 by the screw members 31 in a manner to bridge between the pair of upper side portions 20 . As a result, the mounting position of the upper portion 30 relative to the upper side portion 20 can be shifted by the gap between the screw member 31 and the through hole 22A of the upper side portion 20 for adjustment.

As shown in FIG. 4, the 4th process is performed after the 3rd process.
In this fourth step, the hood lock device 50 is fixed to the upper portion 30, as shown in FIGS. Specifically, each side flange 51 of the hood lock device 50 is fixed to the rear wall portion 35 of the upper portion 30 by screwing.

During this fixation, the position of the hood lock device 50 in the vehicle width direction is adjusted as follows. First, the female screw 35A is loosened. As a result, the position of the hood lock device 50 relative to the upper portion 30 can be shifted in the vehicle width direction by the gap between the screw member 53 and the through hole 51A of the side flange 51 of the hood lock device 50. become. In this state, the engine hood is closed. At this time, the hook provided on the lower surface of the engine hood enters the lock groove of the hood lock device 50 while being in contact therewith, so that the hook fits into the lock groove, that is, the hood lock device 50 locks the engine hood. The hood lock device 50 moves in the vehicle width direction to a position where locking becomes possible. After that, the engine hood is opened and the female screw 35A is tightened.

As shown in FIG. 4, the fifth step is performed after the fourth step.
In this fifth step, the brace portion 40 is attached to the vehicle 10 .
Specifically, as shown in FIGS. 1 to 3, the screw member 43 is inserted through the through hole 41A of the first fixing portion 41 of the brace portion 40 and the through hole 54A of the lower flange 54 of the hood lock device 50, and the upper portion is mounted on the upper portion. 30 is screwed into the internal thread 33A. As a result, the first fixing portion 41 of the brace portion 40 and the lower flange 54 of the hood lock device 50 are fastened together and fixed to the upper portion 30 . 1 and 2, the screw member 27 is inserted into the through hole 44A of the second fixing portion 44 of the brace portion 40 and screwed into the female thread 25A of the flange 25 of the bumper portion 24. A second fixing portion 44 of the brace portion 40 is fastened and fixed to the bumper portion 24 .

In this embodiment, a first fixing portion 41 that is a fixing portion between the brace portion 40 and the upper portion 30 and a second fixing portion 44 that is a fixing portion between the brace portion 40 and the bumper portion 24 are formed by screw members 43 and 27. It has a structure that is fastened and fixed by Therefore, although the brace portion 40 is provided, it is possible to adjust the mounting position of the brace portion 40 with respect to the upper portion 30 by the gap between the screw member 43 and the through hole 41A in the first fixing portion 41. . Also, the mounting position of the brace portion 40 with respect to the bumper portion 24 can be adjusted by the gap between the screw member 27 and the through hole 44A in the second fixing portion 44 .

Here, in the present embodiment, since the position adjustment of the upper portion 30 is performed in the second step, individual differences (deviations) occur in the relative positions of the upper portion 30 and the bumper portion 24 due to this position adjustment. In view of this point, in this embodiment, as shown in FIGS. The fastening directions of the two screw members 43 and 27 used for fixing the brace portion 40 are different, such that the fastening direction of the screw member 27 in the portion 44 is set in the front-rear direction.

Therefore, in the first fixing portion 41 of the brace portion 40 in which the fastening direction of the screw member 43 is the vertical direction, the gap between the outer peripheral surface of the screw member 43 and the inner peripheral surface of the through hole 41A of the first fixing portion 41 is anteroposterior. It becomes a gap having a width in the direction and the vehicle width direction. As a result, in the first fixing portion 41, of the displacement in the relative position between the upper portion 30 and the bumper portion 24 caused by the position adjustment of the upper portion 30, the displacement in the front-rear direction and the displacement in the vehicle width direction are reduced. Deviation is allowed.

On the other hand, in the second fixing portion 44 of the brace portion 40 in which the screw member 27 is fastened in the longitudinal direction, the gap between the outer peripheral surface of the screw member 27 and the inner peripheral surface of the through hole 44A of the second fixing portion 44 is vertical. It becomes a gap having a width in the direction and the vehicle width direction. Therefore, in the second fixing portion 44, of the displacement of the relative position between the upper portion 30 and the bumper portion 24 caused by the position adjustment of the upper portion 30, the displacement in the vertical direction and the displacement in the vehicle width direction minute becomes acceptable.

As described above, according to the present embodiment, even if the relative position between the upper portion 30 and the bumper portion 24 changes as a result of adjusting the mounting position of the upper portion 30 in the second step, the first fixing portion 41 allows for the positional deviation in the longitudinal direction and the positional deviation in the vehicle width direction, and the second fixing portion 44 allows the positional deviation in the vertical direction and the positional deviation in the vehicle width direction. 40 can be installed. As a result, the restrictions on position adjustment of the upper part 30 due to the mounting structure of the brace part 40 can be relaxed, so that the position of the upper part 30 to which the hood lock device 50 is attached can be adjusted with a high degree of freedom. and thus the position of the hood lock device 50 can be adjusted with a high degree of freedom.

As described above, according to this embodiment, the following effects can be obtained.
(1) The brace portion 40 is configured such that the fastening direction of the screw member 43 in the first fixing portion 41 of the brace portion 40 is set in the vertical direction, and the fastening direction of the screw member 27 in the second fixing portion 44 is set in the front-rear direction. The fastening directions of the two screw members 43 and 27 used for fixing are made different. Therefore, the position adjustment of the hood lock device 50 can be performed with a high degree of freedom.

(2) The fastening and fixing direction of the first fixing portion 41 of the brace portion 40 is the vertical direction, and the fastening and fixing direction of the second fixing portion 44 of the brace portion 40 is the front-rear direction. Then, the brace portion 40 is formed in a curved shape so as to protrude toward the front of the vehicle 10 . As a result, the brace portion 40 can be provided so that the vertically extending portion of the brace portion 40 extends at a position away from the frame-shaped portion, that is, the portion where the radiator is arranged.

(3) The first fixing portion 41 of the brace portion 40 and the lower flange 54 of the hood lock device 50 are fixed together by fastening to the upper portion 30 . Therefore, the hood lock device 50 is connected to the bumper portion 24 to prevent the hood lock device 50 from moving together with the deformed portion of the upper portion 30 when the upper portion 30 is deformed due to a collision of the vehicle 10 or the like. It can be restrained by the brace portion 40 in the state of being held down.

(4) The upper portion 30 is fastened and fixed to each of the upper side portions 20 by the screw members 31 in such a manner that the upper portion 30 is laid between the pair of upper side portions 20 . As a result, the mounting position of the upper portion 30 relative to the upper side portion 20 can be shifted by the gap between the screw member 31 and the through hole 22A of the upper side portion 20 for adjustment.

(5) Vehicle 10 having a structure in which the "frame-shaped portion" is formed by assembling upper portion 30 made of synthetic resin to side portions (upper side portion 20 and lower side portion 13) and lower portion 14 made of metal. , the position of the upper portion 30 can be adjusted when the upper portion 30 is assembled to the pair of upper side portions 20 . Moreover, while allowing the displacement of the assembly position of the upper portion 30 due to this position adjustment at the first fixing portion 41 and the second fixing portion 44 of the brace portion 40, the brace portion 40 is attached to the upper portion 30 and the bumper portion. 24 can be fixed.

It should be noted that the above embodiment can be implemented with the following modifications. The above embodiments and the following modifications can be combined with each other within a technically consistent range.

The cross-sectional shape of the brace portion 40 is not limited to adopting a hat-shaped cross section, and any cross-sectional shape such as a U-shaped cross section, an arc-shaped cross section, or a stepped cross-section can be used.
- You may make it form the brace part 40 with a synthetic resin material.

- The shape of each through-hole 22A, 41A, 44A, 51A, 54A can be arbitrarily changed, such as a cross-sectional elongated hole shape and a cross-sectional elliptical shape.
- The first fixing portion 41 of the brace portion 40 and the lower flange 54 of the hood lock device 50 may be separately fastened and fixed to the upper portion 30 at different positions.

As shown in FIG. 6, a portion of the side flanges 61 at both ends of the hood lock device 60 in the vehicle width direction has a flat plate shape extending in the vehicle width direction and the front-rear direction, and has a through hole penetrating in the vertical direction. can be In this case, a female screw extending in the vertical direction may be provided in the upper portion of the rear wall portion 66 of the upper portion 65 . With such a configuration as well, the hood lock device 60 can be fastened and fixed to the upper portion 65 by screwing the screw member 62 into the female thread of the upper portion 65 while being inserted through the through hole of the side flange 61 . According to the above configuration, the operation of tightening the screw members at the three fixing portions 67 , 68 , 69 for mounting the hood lock device 60 can be performed from the upper side of the vehicle 10 .

- As shown in FIG. 7, the fastening and fixing direction of the first fastening portion 71 of the brace portion 70 may be the front-rear direction, and the fastening and fastening direction of the second fastening portion 74 of the brace portion 70 may be the vertical direction. According to this configuration, in the first fixing portion 71 of the brace portion 70 whose fastening and fixing direction is the longitudinal direction, the gap between the screw member 73 and the through hole of the first fixing portion 71 is wide in the vertical direction and the vehicle width direction. becomes a gap with Therefore, in the first fixing portion 71, of the displacement of the relative position between the upper portion 75 and the bumper portion 76 caused by the position adjustment of the upper portion 75, the displacement in the vertical direction and the displacement in the vehicle width direction minute becomes acceptable. In addition, in the second fixing portion 74 of the brace portion 70 whose fastening and fixing direction is the vertical direction, the gap between the screw member 77 and the through hole of the second fixing portion 74 is a gap having a width in the longitudinal direction and the vehicle width direction. Become. As a result, in the second fixing portion 74, of the relative positional deviation between the upper portion 75 and the bumper portion 76 caused by the position adjustment of the upper portion 75, the deviation in the front-rear direction and the deviation in the vehicle width direction are reduced. Deviation is allowed.

- The vehicle front structure of the above-described embodiment can also be applied to a vehicle having a structure in which a brace portion is installed between the lower portion and the upper portion. In this configuration, the lower portion corresponds to the lower member.

- The vehicle front structure of the above embodiment can also be applied to a vehicle in which the upper portion is made of a metal material.

DESCRIPTION OF SYMBOLS 10... Vehicle 11... Side member 12... Lower frame member 13... Lower side part 14... Lower part 20... Upper side part 21... Flat plate part 22... Fixed wall part 22A... Through hole 23... Crush box 24 Bumper portion 25 Flange 25A Internal thread 27 Threaded member 30 Upper portion 30A Internal thread 31 Threaded member 33 Front wall 33A Female thread 35 Rear wall , 35A... Female screw, 37... Rear surface, 40... Brace part, 41... First fixing part, 41A... Through hole, 43... Screw member, 44... Second fixing part, 44A... Through hole, 50... Hood lock device, 51 ... side flange 51A ... through hole 53 ... screw member 54 ... lower flange 54A ... through hole 60 ... hood lock device 61 ... side flange 62 ... screw member 65 ... upper part 66 ... rear wall part 67, 68, 69...fixing part, 70...brace part, 71...first fixing part, 73...screw member, 74...second fixing part, 75...upper part, 76...bumper part, 77...screw member.

Claims (5)

an upper portion arranged upward and extending in the vehicle width direction; a lower portion arranged downward and extending in the vehicle width direction; a pair of side portions arranged spaced apart in the vehicle width direction and extending in the vehicle vertical direction; a frame member disposed at the front of the vehicle and having a frame-like portion consisting of
a hood lock device attached to an intermediate portion in the vehicle width direction of the upper portion;
In a vehicle front structure having a brace portion constructed between an intermediate portion of the upper portion in the vehicle width direction and a lower member disposed below the upper portion of the frame member,
The brace portion is
The upper part extends in the longitudinal direction of the vehicle and the lower part extends in the vertical direction of the vehicle, and has a curved shape that protrudes toward the front of the vehicle,
A first fixing portion, which is a rear end portion of the upper portion and is a portion fastened and fixed to the upper portion by a first screw member, and a lower end portion of the lower portion, which is attached to the lower member by a second screw member. a second fixing portion which is a portion to be fastened and fixed;
The fastening and fixing direction of the first fixing portion by the first screw member is the vertical direction of the vehicle,
The vehicle front structure, wherein a fastening and fixing direction of the second fixing portion by the second screw member is the vehicle front-rear direction. The frame member has a bumper portion that extends between the pair of side portions and extends in the vehicle width direction in front of the frame-shaped portion,
The vehicle front structure according to claim 1, wherein the lower member is the bumper portion. The vehicle front structure according to claim 1 or 2, wherein the first fixing portion and the hood lock device are fastened together to the upper portion by the first screw member . The upper portion is fastened and fixed to the pair of side portions by a third screw member in a manner to bridge between the pair of side portions. Vehicle front structure as described. The upper portion is made of a synthetic resin material,
The vehicle front structure according to any one of Claims 1 to 4, wherein the pair of side portions and the lower portion are made of a metal material .

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