KR101149737B1

KR101149737B1 - Reinforcement Unit of Front side member

Info

Publication number: KR101149737B1
Application number: KR1020100042185A
Authority: KR
Inventors: 구도회; 권오익
Original assignee: 주식회사 성우하이텍
Priority date: 2010-05-04
Filing date: 2010-05-04
Publication date: 2012-06-01
Also published as: KR20110122601A

Abstract

The present invention is to install a reinforcing beam in the longitudinal direction inside the front side member, the rear end of the reinforcing beam is connected to the rear mounter fixed to the rear of the front side member, the front side member at the front or offset high-speed collision Provided is a front side member reinforcement unit for a vehicle that suppresses collapse due to buckling and guides the collapse direction so that the impact force is evenly distributed to the vehicle body, thereby improving the collision performance of the vehicle.

Description

Reinforcement Unit of Front side member

The present invention relates to a front side member reinforcement unit for a vehicle, and more particularly, a reinforcement beam is installed in the front side member along a longitudinal direction thereof, and a rear end of the reinforcement beam is connected to a rear mounter to collide with a high speed front or offset. A front side member reinforcing unit for a vehicle which suppresses buckling of a front side member and distributes the impact force evenly to a vehicle body.

In general, when developing a new car for the first time in a car manufacturer, various safety tests are performed to check the safety of the developed vehicle. This is to establish a predetermined standard and check the completeness according to whether the standard is appropriate.

In particular, safety in a vehicle is the most influential factor in the completeness of the vehicle, as it relates to the life of the rider, and many countries in the world apply the strictest standards to the safety of the vehicle. .

In this safety test, in particular, the vehicle front side member for the frontal collision of the vehicle is provided with a bumper beam through the stay at the front end thereof, and the rear end thereof is assembled with the center side member.

1 is a perspective view of a general vehicle front side member and a dash panel assembled state, each of the front side member 101 of the conventional two sides of each of the center portion is welded assembly with the dash panel 103, the dash panel ( On the basis of 103, the front portion 105 passes through the lower part of the engine room of the vehicle body, and the rear portion 107 supports the lower part of the vehicle compartment.

However, the conventional vehicle front side member 101 as described above does not sufficiently support the impact load of heavy objects such as an engine or a transmission in the engine room due to the impact force transmitted from the bumper beam during the high-speed front collision of the vehicle, and collapses. On the other hand, in severe cases, heavy weights may invade the dash panel 103 to injure a driver or a rider.

In particular, in the case of a high-speed offset collision, the impact load is not evenly distributed on both front side members 101, so that one side of the front side member 101 is easily bent and has a disadvantage in that the collision performance is bad.

Therefore, the present invention was invented to improve the collision performance of the front side member as described above, the problem to be solved by the present invention is to install a reinforcement beam along the longitudinal direction inside the front side member, the reinforcement beam The rear end of is connected to the rear mounter fixed to the rear of the front side member, thereby preventing collapse due to buckling such as bending of the front side member during a high speed front or offset collision, and distributing the impact force evenly to the vehicle body. It is to provide a front side member reinforcing unit for a vehicle to improve the collision performance of the guide.

Vehicle front side member reinforcing unit of the present invention for realizing the technical problem as described above in the front side member consisting of a side inner panel and a side outer panel,

Front and rear reinforcement plates respectively installed at the front and rear sides of the front side member; A reinforcement beam fixed to the front and rear reinforcement plates while being disposed along the longitudinal direction through the front and rear reinforcement plates inside the front side member; And a rear mounter fixed to a rear lower side of the front side member in a state of being connected through a rear end of the reinforcing beam and a hinge part.

The front and rear reinforcement plate may be welded in a state where the reinforcing beam is inserted into the insertion hole by forming an insertion hole in the center.

The reinforcing beam may be made of an extruded tube.

The rear mounter may be a sub frame mount.

A hinge plate integrally formed at an upper end of the rear mounter and having a hinge hole; A hinge fork formed at a rear end of the reinforcing beam so that the hinge plate is fitted and having a hinge hole; A hinge pin inserted through each hinge hole in a state in which a hinge plate is inserted into the hinge fork, and having a pin hole at one side thereof; It may be composed of a fixing pin that is fitted to the pin hole of the hinge pin.

As described above, according to the vehicle front side member reinforcement unit according to the present invention, a reinforcement beam is installed in the front side member along its longitudinal direction, and the rear end of the reinforcement beam is fixed to the rear of the front side member. In this connection, it is possible to suppress collapse due to buckling such as bending of the front side member during the frontal or offset high-speed collision.

In addition, the present invention improves the collision performance of the vehicle by guiding the collapse direction so that the impact load in the front or offset high-speed collision evenly distributed through the reinforcement beam, the rear mounter connected through the reinforcement beam and the hinge portion is reinforced There is an effect of ensuring the safety of the occupant by suppressing the intrusion of the beam into the vehicle interior.

1 is an assembled perspective view of a general vehicle front side member and a dash panel.
Figure 2 is a partial projection perspective view of the front side member and dash panel assembly to which the reinforcing unit is applied according to an embodiment of the present invention.
3 is a partially enlarged projection view of the front side member to which the reinforcing unit is applied according to an embodiment of the present invention.
Figure 4 is an exploded perspective view of the reinforcing unit and the front side member according to an embodiment of the present invention.
5 is a view showing a transmission path of the impact load of the reinforcing unit according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail as follows.

As shown in FIGS. 2 and 3, the reinforcing unit for the front side member according to the present embodiment includes a side inner panel 5 and a side outer of the front side member 3 disposed in front of the dash panel 1. It is comprised between the panels 7.

As shown in FIGS. 3 and 4, the reinforcing unit 10 has an inner front side and a rear side between the side inner panel 5 and the side outer panel 7 of the front side member 3. The reinforcement plates 11 and 13 are welded and installed, respectively.

In addition, the reinforcement beam 15 penetrates the front and rear reinforcement plates 11 and 13 inside the front side member 3 and is disposed along the longitudinal direction of the front side member 3. It is fixed to the front side reinforcement board 11 and the rear side reinforcement board 13, respectively.

That is, the reinforcement beam 15 is formed of a hollow extruded pipe, the front and rear reinforcement plate (11, 13) is formed in the center of the insertion hole (H) so that the reinforcement beam (15) is the insertion hole It is welded and installed in the state inserted in (H).

Meanwhile, the rear end of the reinforcing beam 15 is fixed to the rear lower portion of the front side member 3 through the rear mounter 17.

Here, the rear mounter 17 may be applied in place of a subframe mounter for installing a subframe (not shown) under the front side member 3.

And the rear end of the reinforcing beam 15 and the rear mounter 17 is connected through a hinge portion 20, the hinge portion 20 is a hinge plate 21 is integrated on the upper end of the rear mounter (17) Is formed in the hinge plate 21, the hinge hole 23 is formed.

A hinge fork 25 is formed at a rear end of the reinforcing beam 15, and the hinge plate 21 is fitted to the hinge fork 25, and the hinge of the hinge plate 21 is fitted to the hinge fork 25. The hinge hole 23 is formed corresponding to the hole 23.

In addition, a hinge pin (27) is inserted into each hinge hole (23) while the hinge plate (21) is inserted into the hinge fork (25) to hinge the hinge fork (25) and the hinge plate (21). Hinge pins (27) formed a pin hole (29) was configured to fit the fixing pin (28).

That is, the fixing pin 28 is fixed in the axial direction so that the hinge pin 27 does not fall out from the hinge holes 23 of the hinge fork 25 and the hinge plate 21.

Therefore, according to the reinforcement unit 10 of the vehicle front side member having the above-described configuration, as shown in FIG. 5, the engine inside the engine room is affected by the impact force transmitted from the bumper beam during the high-speed front collision of the vehicle. The impact load including the load of the heavy object such as the transmission is transmitted rearward through both front side members 3.

At this time, the reinforcement beam 15, along with the front and rear reinforcement plates (11, 13), to reinforce the rigidity of each front side member (3) to guide the collapse direction of the front side member (3) impact load (F) ) Is distributed evenly to the vehicle body through the front side member (3).

That is, when the impact load F through the front side member 3 is transmitted to the reinforcement beam 15 through the front and rear reinforcement plates 11 and 13, the reinforcement beam 15 is the front side member 1. The impact load (F) is transmitted to the rear lower side of the front side member (3) through the rear mounter 17 connected through the hinge portion 20 while moving backward with the collapse of).

Accordingly, the reinforcing beam 17 guides the transmission direction of the impact load F to the rear lower side of the front side member 3, not the dash panel 1, so that the reinforcing beam 15 intrudes into the vehicle compartment to the occupant. To prevent injuries.

On the other hand, the reinforcement beam 17 is arranged along the inner longitudinal direction of the front side member 3, even during high-speed offset collision to suppress the collapse by buckling, such as bending of the front side member 3, the impact force It improves the collision performance of the vehicle by dispersing it evenly on the body.

As described above, the present invention has been described through limited embodiments and drawings, but the present invention is not limited thereto, and the present invention has been described below by the person skilled in the art to which the present invention pertains. Various modifications and variations are possible within the scope of the claims.

1: dash panel 3: front side members
5: side inner panel 7: side outer panel
10: reinforcing unit 11, 13: front and rear reinforcement plate
15: reinforcement beam 17: rear mounter
20: hinge portion 21: hinge plate
23: hinge hole 25: hinge fork
27: hinge pin 28: fixing pin

Claims

In the front side member which consists of a side inner panel and a side outer panel,
Front and rear reinforcement plates respectively installed at the front and rear sides of the front side member;
A reinforcement beam fixed to the front and rear reinforcement plates while being disposed along the longitudinal direction through the front and rear reinforcement plates inside the front side member;
And a rear mounter fixed to one rear lower side of the front side member in a state of being connected through a rear end and a hinge portion of the reinforcing beam.

The method of claim 1,
The front and rear reinforcement plate
The front side member reinforcement unit for a vehicle which is welded with the reinforcing beam inserted into the insertion hole by forming an insertion hole in the center.

The method of claim 1,
The reinforcing beam is
Vehicle front side member reinforcing unit, characterized in that consisting of an extruded tube.

The method of claim 1,
The rear mounter
Vehicle front side member reinforcement unit, characterized in that the sub-frame mounter.

The method of claim 1,
The hinge portion
A hinge plate integrally formed at an upper end of the rear mounter and having a hinge hole;
A hinge fork formed at a rear end of the reinforcing beam so that the hinge plate is fitted and having a hinge hole;
A hinge pin inserted through each hinge hole in a state in which a hinge plate is inserted into the hinge fork, and having a pin hole at one side thereof;
Vehicle front side member reinforcement unit consisting of a fixing pin fitted to the pin hole of the hinge pin.

In the front side member which consists of a side inner panel and a side outer panel,
Front and rear reinforcement plates respectively installed at the front and rear sides of the front side member;
A reinforcement beam fixed to the front and rear reinforcement plates while being disposed along the longitudinal direction through the front and rear reinforcement plates inside the front side member;
Vehicle front side member reinforcement unit comprising a hinge means for fixing the rear end and the rear lower side of the front side member of the reinforcement beam.

The method of claim 6,
The front and rear reinforcement plate
The front side member reinforcement unit for a vehicle which is welded with the reinforcing beam inserted into the insertion hole by forming an insertion hole in the center.

The method of claim 6,
The reinforcing beam is
Vehicle front side member reinforcing unit, characterized in that consisting of an extruded tube.

The method of claim 6,
The hinge means
A rear mounter fixed to one rear lower side of the front side member;
A hinge plate integrally formed at an upper end of the rear mounter and having a hinge hole;
A hinge fork formed at a rear end of the reinforcing beam so that the hinge plate is fitted and having a hinge hole;
A hinge pin inserted through each hinge hole in a state in which a hinge plate is inserted into the hinge fork, and having a pin hole at one side thereof;
Vehicle front side member reinforcement unit consisting of a fixing pin fitted to the pin hole of the hinge pin.

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