JP7088036B2 - Vehicle front structure - Google Patents

Description

The present invention relates to a vehicle front structure including a radiator support that supports the radiator.

Patent Document 1 discloses a radiator support provided with a hood lock device at the center of the support upper in the vehicle width direction and a pop-up device for lifting the hood at both ends in the vehicle width direction of the support upper. There are two types of specifications for locking the hood: a single lock specification that locks the hood at one location in the center of the support upper in the vehicle width direction, and a double lock specification that locks the hood at two locations on both ends of the support upper in the vehicle width direction. The structure of the radiator support corresponding to each specification is considered.

Japanese Unexamined Patent Publication No. 2016-088400

In the case of the single lock specification, when the hood pops up at the end of the support upper side of the support upper side that extends diagonally from both ends in the vehicle width direction of the support upper to the outside and rearward in the vehicle width direction and connects to the vehicle body. A hole is formed for the upper end of the pop-up device to pass through. In the case of the double lock specification, a hole for passing the striker of the lock device of the hood is formed at the end of the support upper side on the support upper side. Where the shape of the hole is different between the hole for passing the upper end of the pop-up device and the hole for passing the striker, if you form two holes one by one on the support upper side, the support upper There is a concern that the rigidity of the side will decrease. Therefore, in order to reduce the number of parts, a radiator support and a support upper side that can be shared by both the single lock specification and the double lock specification are required.

Therefore, an object of the present invention is to provide a vehicle front structure that can be shared by both the single lock specification and the double lock specification while suppressing a decrease in the rigidity of the support upper side.

The vehicle front structure according to the present invention has a square frame shape including a support upper extending in the vehicle width direction, and has a radiator support for fixing and supporting the radiator in the frame, and the support upper outside from both ends in the vehicle width direction and outside in the vehicle width direction. A vehicle front structure comprising a support upper side that extends diagonally toward the rear and connects the radiator support to the vehicle body, wherein the hood is below the end of the support upper side on the support upper side. A pop-up device or a lock device is arranged, and a common hole through which the upper end portion of the pop-up device or the striker of the lock device can penetrate is formed on the support upper side above the pop-up device or the lock device. It is characterized by that.

In the present invention, even in the case of a single lock specification in which the hood pop-up device is arranged below the end of the support upper side of the support upper side, the lock device of the hood is provided below the end of the support upper side of the support upper side. Even in the case of the placed double lock specification, both the upper end of the pop-up device and the striker of the locking device can penetrate the common hole formed on the support upper side, so both the single lock specification and the double lock specification can be used. Can provide a vehicle front structure that can be shared with the vehicle. Further, in the present invention, since only one common hole is formed on one support upper side, it is possible to suppress a decrease in the rigidity of the support upper side as compared with the case where two holes are formed.

It is a side view of the whole vehicle which mounted the vehicle front structure of the embodiment of this disclosure. It is a perspective view which shows the radiator support and the support upper side of the vehicle front structure of this embodiment. It is an enlarged view of the part A in FIG. 2 in the case of a single lock specification. It is an enlarged view of the part A in FIG. 2 in the case of a double lock specification. It is sectional drawing (a) of the hood which shows the state which the striker is attached, and the front view (b) which saw the striker from the front of a vehicle. The figure (a) showing the shape of the common hole, the figure (b) showing the shape of the hole suitable for passing the upper end of the pop-up device, and the shape of the hole suitable for passing the striker of the locking device. It is the figure (c) shown.

Hereinafter, the vehicle front structure 10 of the embodiment will be described with reference to the drawings. The arrow FR, the arrow UP, and the arrow RH shown in each figure described below indicate the front direction (traveling direction), the upward direction, and the right direction of the vehicle, respectively. Further, the opposite directions of the arrows FR, UP, and RH indicate the vehicle rear direction, the downward direction, and the left direction, respectively. Hereinafter, when the explanation is simply made using the front-rear, left-right, and up-down directions, unless otherwise specified, the front-rear direction of the vehicle front-rear direction, the left-right direction of the vehicle left-right direction (vehicle width direction), and the up-down direction of the vehicle up-down direction are shown. do.

First, the configuration of the vehicle 1 on which the vehicle front structure 10 is mounted will be described. As shown in FIG. 1, the radiator support 2 is arranged inside the front compartment 12, which is a space in front of the dash panel 11 of the vehicle 1. The hood 13 is rotatably supported by a hinge 14 at the rear end of the front compartment 12, and the front compartment 12 can be opened and closed by moving the front end up and down. FIG. 1 shows both the open state and the closed state of the hood 13. When the hood 13 is closed, the hood 13 covers above the front compartment 12.

As shown in FIG. 2, the vehicle front structure 10 includes a radiator support 2 and a support upper side 3. The radiator support 2 has a support upper 21 extending in the vehicle width direction at the upper end, a support lower 22 extending in the vehicle width direction at the lower end, and a right vertical column 23 extending vertically to connect the support upper 21 and the right end of the support lower 22. It is a square frame-shaped member composed of a left vertical column 24 extending in the vertical direction and connecting the left end of the support upper 21 and the support lower 22. The radiator support 2 fixes and supports a radiator (not shown) within this frame. A lock bracket 25 is connected to the central portion of the support upper 21 in the vehicle width direction. The center brace 26 is connected to the central portion of the lock bracket 25 and the support lower 22 in the vehicle width direction. The support upper side 3 extends diagonally outward and rearward in the vehicle width direction from both ends of the support upper 21 in the vehicle width direction, and connects the radiator support 2 and the vehicle body. Note that FIG. 2 shows a vehicle front structure 10 having a double lock specification, which will be described later, and a lock device 5 for the hood 13 is attached to the outer side surface of the right vertical pillar 23 and the left vertical pillar 24 in the vehicle width direction. ..

In the case of a single lock specification in which the hood 13 is locked by one lock device provided on the lock bracket 25, as shown in FIG. 3, the pop-up device of the hood 13 is below the end of the support upper side 3 on the support upper 21 side. 4 is arranged. The pop-up device 4 is fixed to the outer side surface of the right vertical pillar 23 and the left vertical pillar 24 in the vehicle width direction. The pop-up device 4 collapses on the hood 13 by instantly lifting the hood 13 to secure a space under the hood 13 when a pedestrian collides with the bumper in front of the running vehicle 1. It is a device that cushions the impact on the head of a pedestrian. A common hole 31 that penetrates vertically is formed above the pop-up device 4 on the support upper side 3. When a pedestrian collides with the bumper in front of the vehicle 1, the upper end 41 of the pop-up device 4 penetrates the common hole 31 from the bottom to the top and lifts the hood 13. FIG. 3 shows a state in which the upper end portion 41 of the pop-up device 4 penetrates the common hole 31.

In the case of the double lock specification in which the hood 13 is locked by the two locking devices 5 provided on the right vertical column 23 and the left vertical column 24 of the radiator support 2, as shown in FIG. 4, the support upper 21 side of the support upper side 3 is used. The locking device 5 is arranged below the end of the. The lock device 5 is fixed to the outer side surface of the right vertical pillar 23 and the left vertical pillar 24 in the vehicle width direction. In the case of the double lock specification, the lock bracket 25 is provided with a secondary catch. The secondary catch is a device that holds the hood 13 so as not to open as a secondary safety device having a fail-safe structure even if the latch of the lock device 5 is disengaged for some reason while the vehicle is running.

FIG. 5A is a cross-sectional view of the hood 13 cut in the vertical direction and the front-rear direction as viewed from the left side. As shown in FIG. 5A, the hood 13 is composed of a hood outer 15 and a hood inner 16, and the hood inner 16 is provided with a striker 51 extending in the vertical direction. As shown in FIG. 5B, the lower end of the striker 51 is a cylindrical portion 52 having a cylindrical shape extending in the vehicle width direction.

As shown in FIG. 4, the support upper side 3 is formed with a common hole 31 that penetrates vertically above the lock device 5. When closing the hood 13, the striker 51 penetrates the common hole 31 from top to bottom. When the hood 13 is completely closed, the cylindrical portion 52 of the striker 51 is locked by the locking device 5, and the hood 13 is held in the closed state.

As shown in FIG. 3, since the upper end portion 41 of the pop-up device 4 is circular when viewed from above, the shape of the hole suitable for passing the upper end portion 41 of the pop-up device 4 is as shown in FIG. 6 (b). It is circular. Further, as shown in FIG. 5 (b), since the striker 51 of the lock device 5 has a long shape in the vehicle width direction, the shape of the hole suitable for passing the striker 51 is shown in FIG. 6 (c). As shown, it has an elongated shape. Therefore, the shared hole 31 has a shape shown in FIG. 6A so that both the upper end portion 41 of the pop-up device 4 and the striker 51 of the lock device 5 can penetrate the shared hole 31.

As described above, since the common hole 31 formed in the support upper side 3 has the shape shown in FIG. 6A, the vehicle front structure 10 provided with the radiator support 2 and the support upper side 3 has a single lock specification. And can be shared with both double lock specifications. Further, the vehicle front structure 10 does not form two holes, one for passing the upper end portion 41 of the pop-up device 4 and the other for passing the striker 51 of the lock device 5. Since only one common hole 31 is formed in one support upper side 3, it is possible to suppress a decrease in the rigidity of the support upper side 3 as compared with the case where two holes are formed.

The vehicle front structure of the present disclosure is not limited to the above-mentioned form, and can be implemented in various forms within the scope of the gist of the present disclosure. For example, the shapes of the right vertical pillar 23 and the left vertical pillar 24 and the shape of the center brace 26 may be other shapes.

1 vehicle, 2 radiator support, 3 support upper side, 4 pop-up device, 5 lock device, 10 vehicle front structure, 11 dash panel, 12 front compartment, 13 hood, 14 hinge, 15 hood outer, 16 hood inner, 21 support upper , 22 support lower, 23 right vertical column, 24 left vertical column, 25 lock bracket, 26 center brace, 31 common hole, 41 top edge, 51 striker, 52 cylindrical section.

Claims (1)

With a square frame shape including a support upper that extends in the vehicle width direction, a radiator support that fixedly supports the radiator inside the frame, and a radiator support
A support upper side extending diagonally from both ends in the vehicle width direction of the support upper to the outside and rearward in the vehicle width direction to connect the radiator support and the vehicle body,
It is a vehicle front structure equipped with
A hood pop-up device or lock device is placed below the end of the support upper side on the support upper side.
The front portion of the vehicle is characterized in that, on the support upper side, a common hole through which the upper end portion of the pop-up device or the striker of the lock device can pass is formed above the pop-up device or the lock device. structure.

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