KR101198600B1 - Stiffener unit for vehicle - Google Patents

Stiffener unit for vehicle Download PDF

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Publication number
KR101198600B1
KR101198600B1 KR1020100138299A KR20100138299A KR101198600B1 KR 101198600 B1 KR101198600 B1 KR 101198600B1 KR 1020100138299 A KR1020100138299 A KR 1020100138299A KR 20100138299 A KR20100138299 A KR 20100138299A KR 101198600 B1 KR101198600 B1 KR 101198600B1
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KR
South Korea
Prior art keywords
stiffener
main body
vehicle
bumper beam
bracket
Prior art date
Application number
KR1020100138299A
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Korean (ko)
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KR20120076234A (en
Inventor
구도회
최석준
Original Assignee
주식회사 성우하이텍
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Priority to KR1020100138299A priority Critical patent/KR101198600B1/en
Publication of KR20120076234A publication Critical patent/KR20120076234A/en
Application granted granted Critical
Publication of KR101198600B1 publication Critical patent/KR101198600B1/en

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)

Abstract

The present invention attaches a stiffener bracket formed to have a plurality of diaphragms therein by extrusion molding on both sides of the lower part of the bumper beam, and includes a stiffener that is fitted and assembled through the stiffener bracket, thereby improving assembly performance. In order to satisfy the collision safety regulations related to bending angle and acceleration by supplementing the bending angle and the amount of sliding of the stiffener through the stiffener bracket
A stiffener bracket, which is integrally formed by extrusion molding, in which upper ends are welded to both lower sides of the bumper beam, and insertion grooves are formed in front of each other end; And a pipe-shaped stiffener inserted into and fixed to each insertion groove of each stiffener bracket and fitted into the stiffener bracket and rounded to correspond to the shape of the bumper beam.

Description

Stiffener Unit for Vehicles {STIFFENER UNIT FOR VEHICLE}

The present invention relates to a vehicle stiffener unit, and more particularly, by manufacturing an integral stiffener bracket by extrusion molding, and assembling the stiffener bracket without additional welding, to improve the assemblability, the bending angle and the amount of bending of the stiffer The present invention relates to a vehicle stiffener unit that complements and satisfies crash safety regulations.

In general, a bumper in a vehicle absorbs an impact when a vehicle collides with another vehicle or a fixed body to promote passenger safety, and at the same time, a bumper may be applied to a predetermined portion of the front and rear ends of the vehicle to minimize deformation of the vehicle body. The buffer unit is arranged.

As shown in FIG. 1, the bumper 100 has a stay 103 mounted on both rear sides of the bumper beam 101 disposed in the vehicle width direction from the front and the rear of the vehicle, so that the bumper 100 is mounted on the vehicle side side member 111. A bumper beam unit 105 to be mounted, an energy absorber 107 disposed in front of the bumper beam 101 to absorb impact force, and a bumper cover 109 surrounding the bumper beam 101 and the energy absorber 107. )

A stiffener unit is usually mounted on the lower part of the bumper beam. The stiffener unit is a kind of reinforcement located in front of the front end module (FEM) of the vehicle. The stiffener unit is usually a square beam or a hexagon honeycomb (honey). comb) shape is applied.

Such a stiffener unit for a vehicle functions to evenly transmit an impact generated during a front collision of the vehicle over the entire front end module, and to protect the pedestrian by absorbing the impact energy while being deformed during a collision with a pedestrian.

Such a vehicle stiffener unit is generally configured at the lower side of the bumper for pedestrian protection in the case of a passenger car, but in the case of a sports utility vehicle (SUV) vehicle having a relatively high ground clearance, the stiffener is applied to the lower side as well as the upper side of the bumper.

However, the conventional vehicle stiffener unit has a complicated shape to fix the bumper beam due to the complicated shape of the stiffener. If the rigidity is too large, the stiffener unit does not satisfy the pedestrian-response collision safety regulations related to the bending angle or acceleration, There is a technical problem that the injury value is greatly increased during the pedestrian collision.

Therefore, the present invention was invented to solve the problems as described above, the problem to be solved by the present invention is to attach a stiffener bracket formed to have a plurality of diaphragm inside through extrusion molding on both sides of the lower bumper beam, By including a stiffener inserted and assembled through this stiffener bracket, it improves the assemblability and complements the bending angle and the amount of stiffener bending through the stiffener bracket to satisfy the collision safety regulations related to the bending angle and deceleration speed. It is to provide a vehicle stiffener unit.

Vehicle stiffener unit according to an embodiment of the present invention for achieving this object is a stiffener bracket which is integrally formed by extrusion molding, each upper end is welded to the lower side of both sides of the bumper beam, the insertion groove is formed on the front of each other end; And a pipe-shaped stiffener inserted into each insertion groove of each of the stiffener brackets and fitted into the stiffener brackets and being rounded to correspond to the shape of the bumper beam.

The stiffener bracket includes a main body having a plurality of diaphragms formed therein; A first connection part integrally formed on an upper portion of the front surface of the main body and fixedly mounted to the front surface of the bumper beam; A second connection part integrally extended from an upper part of the main body to a rear part corresponding to the first connection part and fixedly mounted to a bottom surface of the bumper beam; And a support part which forms the insertion groove and integrally protrudes from the lower end of the main body toward the front of the main body so as to support the lower part of the stiffener.

Each of the diaphragms may include a first diaphragm formed in the center of the main body along a longitudinal direction thereof; And a second diaphragm interconnecting the front and rear sides of the main body at both sides of the first diaphragm and vertically connected to the first diaphragm along the longitudinal direction of the main body.

The first connection part and the second connection part are fixedly mounted to each of the front and rear surfaces of the bumper beam by welding.

The insertion groove may include an insertion protrusion which is integrally formed to protrude toward the front of the main body in the width direction of the main body in the center.

The stiffener is characterized in that the fitting holes are formed on both rear sides corresponding to the respective insertion protrusions.

According to the vehicle stiffener unit according to the embodiment of the present invention as described above, by attaching a stiffener bracket molded to have a plurality of diaphragm therein through extrusion molding on both sides of the lower bumper beam, and fitted through this stiffener bracket By including the stiffener, there is an effect of improving the assemblability and minimizing the amount of stiffener push in the event of a pedestrian collision.

In addition, by supplementing the bending angle and the amount of sliding of the stiffener through the stiffener bracket, there is also an effect of satisfying the collision safety regulations related to the bending angle and the acceleration.

1 is an exploded perspective view of a general bumper beam unit.
2 is a perspective view of a vehicle stiffener unit according to an embodiment of the present invention.
3 is a sectional view taken along the line AA in Fig.
4 is a perspective view of a vehicle stiffener unit according to an embodiment of the present invention.
FIG. 5 is a view illustrating separated states of the stiffener bracket and the stiffener in the vehicle stiffener unit according to the embodiment of the present invention.

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

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

2 is a perspective view of a vehicle stiffener unit according to an embodiment of the present invention, Figure 3 is a cross-sectional view taken along line AA of Figure 2, Figure 4 is a perspective view of a vehicle stiffener unit according to an embodiment of the present invention, Figure 5 5 is a view illustrating separated shapes of the stiffener bracket and the stiffener in the vehicle stiffener unit according to the embodiment of the present invention.

Referring to the drawings, the stiffener unit 1 for a vehicle according to an exemplary embodiment of the present invention is a stiffener bracket 20 formed to have a plurality of diaphragms 23 therein by extrusion molding on both lower sides of the bumper beam 10. ), And including the stiffener 30 that is fitted and assembled through the stiffener bracket 20, thereby improving the assemblability and bending angle and push of the stiffener 30 through the stiffener bracket 20. To compensate for the collision safety legislation related to bending angle and acceleration.

To this end, the vehicle stiffener unit 1 according to an exemplary embodiment of the present invention, as shown in Figure 2, is installed on both sides of the lower side of the bumper beam 10 disposed in the vehicle width direction facing the front, Stays 11 are mounted on both rear sides of the bumper beams 10 and are connected to the vehicle body.

The vehicle stiffener unit 1 includes a stiffener bracket 20 and a stiffener 30.

First, the stiffener bracket 20 is integrally formed by extrusion molding so that each upper end is welded to both lower portions of the bumper beam 10, and insertion grooves 22 are formed on the front of each other end.

Here, the stiffener bracket 20 is composed of a main body 21, first and second connection portions 25 and 27, and a support portion 29, as shown in FIGS.

In the present embodiment, the main body 21 is integrally molded by extrusion molding, and a plurality of diaphragms 23 are formed therein.

The diaphragm 23 is formed in the center of the main body 21 along the longitudinal direction of the first diaphragm 23a and the front of the main body 21 at both sides of the first diaphragm 23a. And a second diaphragm 23b connected to the inner side of the rear surface and vertically connected to the first diaphragm 23a along the longitudinal direction of the main body 21.

Here, the first diaphragm 23a is preferably formed in the same shape as the longitudinal shape of the main body 21.

The first and second diaphragms 23a and 23b may have a specific angle in the collision direction to minimize the amount of sliding of the stiffeners 30 when the pedestrian's legs collide with the stiffeners 30, and their shape and thickness When the extrusion of the main body 21, it can be applied by changing.

In the present embodiment, the first connection portion 25 is integrally formed on the front surface of the main body 21 and fixedly mounted on the front surface of the bumper beam 10.

The second connection part 27 is integrally formed to extend from the top of the main body 21 to the rear side corresponding to the first connection part 25, and is fixedly mounted on the bottom surface of the bumper beam 10.

That is, the main body 21 of the stiffener bracket 20 is fixed to the front and the bottom of the bumper beam 10 through the first and second connecting portions 25 and 27, respectively.

Here, the first connecting portion 25 and the second connecting portion 27 may be fixedly mounted on the front and rear of the bumper beam 10 by welding or bolting, respectively.

In the present embodiment, the support portion 29 forms the insertion groove 22 in the lower portion of the main body 21, the lower portion of the main body 21 to support the lower portion of the stiffener 30 It protrudes integrally toward the front of the main body 21.

In addition, the stiffener 30 is inserted into each insertion groove 22 of each of the stiffener brackets 20 and is fitted into and fixed to the stiffener brackets 20.

The stiffener 30 is formed in a pipe shape in which both ends are rounded to correspond to the shape of the bumper beam 10.

On the other hand, in the present embodiment, the insertion groove 22 includes an insertion protrusion 28 integrally protruded toward the front of the main body 21 in the width direction of the main body 21 in the center.

In addition, the stiffeners 30 preferably have fitting holes 31 formed at both rear sides of the insertion protrusions 28, respectively.

That is, the stiffener 30 is inserted into the insertion groove 22 of the stiffener bracket 20 by press-fitting, and then the insertion protrusions 28 are inserted into the respective fitting holes 31 so that the stiffener 30 is inserted. The flow is prevented in the width direction of the bumper beam 10, and is fixedly assembled to the stiffener bracket 20.

Here, the support part 29 supports the lower portion of the stiffener 30 assembled by being inserted through the insertion groove 22.

Accordingly, in the vehicle stiffener unit 1 having the configuration as described above, the respective stiffener brackets 20 are welded and fixed to the lower both sides of the bumper beam 10 through the first and second connection portions 25 and 27. After the stiffener 30 is inserted into each of the insertion grooves 22 by press-fitting, the insertion protrusions 28 are inserted into the respective fitting holes 31 so as to simply complete the assembly. It is possible to improve workability.

The stiffener unit 1 assembled as described above compensates for the bending angle and the amount of sliding of the stiffener 30 in the collision direction through the diaphragms 23a and 23b of the stiffener bracket 20 when the pedestrian collides forward. It is possible to minimize the amount of rolling of the stiffener (30).

Therefore, when the vehicle stiffener unit 1 according to the embodiment of the present invention configured as described above is applied, molded to have a plurality of diaphragms 23 therein through extrusion molding on both lower sides of the bumper beam 10. By attaching the stiffener bracket 20 and including the stiffener 30 that is fitted and assembled through the stiffener bracket 20, the assemblability is improved, and the amount of the stiffener 30 is minimized when the pedestrian collides. You can.

In addition, by compensating the bending angle and the amount of push of the stiffener 30 through the stiffener bracket 20, it is possible to satisfy the collision safety regulations related to the bending angle and the acceleration.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

1: Stiffener Unit 10: Bumper Beam
11: stay 20: stiffener bracket
21: main body 22: insertion groove
23: diaphragm 23a, 23b: first, second diaphragm
25: first connecting portion 27: second connecting portion
28: insertion protrusion 29: support
30: stiffener 31: fitting hole

Claims (6)

A stiffener bracket, which is integrally formed by extrusion molding, in which upper ends are welded to both lower sides of the bumper beam, and insertion grooves are formed in front of each other end; And
A pipe-shaped stiffener inserted into and fixed to each insertion groove of each stiffener bracket, the pipe-shaped stiffener being rounded to correspond to the shape of the bumper beam;
Vehicle stiffener unit comprising a. The method of claim 1,
The stiffener bracket
A main body having a plurality of diaphragms formed therein;
A first connection part integrally formed on an upper portion of the front surface of the main body and fixedly mounted to the front surface of the bumper beam;
A second connection part integrally extended from an upper part of the main body to a rear part corresponding to the first connection part and fixedly mounted to a bottom surface of the bumper beam; And
A support part which forms the insertion groove and integrally protrudes from the lower end of the main body toward the front of the main body to support the lower part of the stiffener;
Vehicle stiffener unit, characterized in that consisting of. The method of claim 2,
Each of the diaphragms
A first diaphragm formed centrally in the longitudinal direction of the inner side of the main body; And
A second diaphragm interconnecting the front and rear inner sides of the main body at both sides of the first diaphragm and vertically connected to the first diaphragm along a longitudinal direction of the main body;
Vehicle stiffener unit comprising a. The method of claim 2,
The first connecting portion and the second connecting portion
Vehicle stiffener unit is fixed to the front and rear of the bumper beam by welding, respectively. The method of claim 2,
The insertion groove
Vehicle stiffener unit comprising an insertion protrusion which is integrally formed in the center toward the front of the main body in the width direction of the main body. The method of claim 5,
The stiffener
Stiffener unit for the vehicle, characterized in that the fitting holes are formed on both sides of the rear corresponding to each of the insertion projections.
KR1020100138299A 2010-12-29 2010-12-29 Stiffener unit for vehicle KR101198600B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100138299A KR101198600B1 (en) 2010-12-29 2010-12-29 Stiffener unit for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100138299A KR101198600B1 (en) 2010-12-29 2010-12-29 Stiffener unit for vehicle

Publications (2)

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KR20120076234A KR20120076234A (en) 2012-07-09
KR101198600B1 true KR101198600B1 (en) 2012-11-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101327067B1 (en) 2011-11-23 2013-11-07 현대자동차주식회사 Stiffener bracket for vehicle
US8827353B2 (en) 2012-10-31 2014-09-09 Hyundai Motor Company Front body structure of vehicle
US10640065B2 (en) 2017-11-07 2020-05-05 Hyundai Motor Company Lower stiffener for bumper of vehicle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101401069B1 (en) * 2013-04-22 2014-05-29 현대자동차주식회사 Mounting structure of stiffener-bracket
KR101694062B1 (en) * 2015-10-01 2017-01-09 현대자동차주식회사 Front structure of vehicle
KR102621264B1 (en) * 2017-02-08 2024-01-08 한온시스템 주식회사 Stiffener for Motor Vehicle
KR102614552B1 (en) * 2017-02-17 2023-12-18 한온시스템 주식회사 Stiffener for Motor Vehicle
CN111845601A (en) * 2020-06-18 2020-10-30 江铃汽车集团有限公司 Anticollision roof beam and car before car

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002052993A (en) 2000-08-09 2002-02-19 Mazda Motor Corp Front part car body structure of vehicle
JP2007055482A (en) 2005-08-25 2007-03-08 Denso Corp Collision object discriminating device for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002052993A (en) 2000-08-09 2002-02-19 Mazda Motor Corp Front part car body structure of vehicle
JP2007055482A (en) 2005-08-25 2007-03-08 Denso Corp Collision object discriminating device for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101327067B1 (en) 2011-11-23 2013-11-07 현대자동차주식회사 Stiffener bracket for vehicle
US8827353B2 (en) 2012-10-31 2014-09-09 Hyundai Motor Company Front body structure of vehicle
US10640065B2 (en) 2017-11-07 2020-05-05 Hyundai Motor Company Lower stiffener for bumper of vehicle

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Publication number Publication date
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