KR101689581B1 - Bumper stay unit for vehicles - Google Patents

Bumper stay unit for vehicles Download PDF

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Publication number
KR101689581B1
KR101689581B1 KR1020150169833A KR20150169833A KR101689581B1 KR 101689581 B1 KR101689581 B1 KR 101689581B1 KR 1020150169833 A KR1020150169833 A KR 1020150169833A KR 20150169833 A KR20150169833 A KR 20150169833A KR 101689581 B1 KR101689581 B1 KR 101689581B1
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KR
South Korea
Prior art keywords
trim line
panel
stance
bumper
shape
Prior art date
Application number
KR1020150169833A
Other languages
Korean (ko)
Inventor
박희대
이문용
Original Assignee
주식회사 성우하이텍
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Publication date
Application filed by 주식회사 성우하이텍 filed Critical 주식회사 성우하이텍
Priority to KR1020150169833A priority Critical patent/KR101689581B1/en
Application granted granted Critical
Publication of KR101689581B1 publication Critical patent/KR101689581B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24—Arrangements for mounting bumpers on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1806—Structural beams therefor, e.g. shock-absorbing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

A bumper staircase unit for a vehicle is disclosed. The bumper sta- tion unit for a vehicle according to an embodiment of the present invention is a bumper sta- tion unit for a vehicle that interconnects a bumper beam and a front side member, An inner stance panel in which trim lines are formed in mutually diagonal directions; The upper upper trim line and the lower lower trim line are formed in a mutually diagonal direction so as to correspond to the inner upper trim line and the lower inner trim line in the shape of the bent upper part of the inner upper trim line, And an outer side stance panel joined to the inner lower side trim line in a state where the outer upper and lower outer side trim lines are overlapped with each other to form a box shape together with the inner side stance panel; And a mounting plate joined to front and rear ends of the inner and outer stance panels, respectively.

Description

[0001] BUMPER STAY UNIT FOR VEHICLES [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a bumper sta- tionary unit for a vehicle, and more particularly, to a bumper sta- tionary unit for a vehicle that improves impact absorption performance by joining inner and outer stance panels in mutually staggered diagonal directions.

Generally, a bumper in a vehicle is arranged at a predetermined portion of the front and rear ends of the vehicle so as to minimize the deformation of the vehicle body while assuring the safety of the rider by absorbing the impact when the vehicle collides with another automobile or a fixed body .

1 is an exploded perspective view of a general automotive bumper unit.

Referring to FIG. 1, the bumper unit 100 includes a bumper beam 101 which is installed on a vehicle body side member 111 through a bumper unit 103 in the vehicle width direction, An energy absorber 107 is disposed in front of the bumper cover 109 to absorb impact energy and a bumper cover 109 is installed to surround the bumper beam 101 and the energy absorber 107.

2 is an assembled perspective view of a conventional bumper staunch unit.

2, the conventional bumper stasis unit 103 is welded to the bumper beam 101 through a separate front plate 113 and is welded to the side member 111 through a rear plate 115 Assembled.

In this conventional bumper staunch unit 103, the inner stance panel 117 and the outer stance panel 119 press-molded in a " C "shape between the front and rear plates 113 and 115 are overlapped and welded Box type.

However, the conventional bumper stait unit 103 as described above is preferable in terms of absorbing the impact energy so as to minimize damage to the vehicle body structure at the time of a low-speed frontal collision of the vehicle, but the inner and outer stance panels are overlapped The double trim line is formed parallel to the longitudinal direction of the car body, and the stress due to the impact force can not be effectively dispersed.

The embodiment of the present invention improves collision absorption performance by evenly distributing the stress due to the impact force by arranging the upper and lower trim lines in which the inner and outer stance panels are overlapped and bonded to each other in the diagonal direction of the staggered & To provide a bumper sta- tion unit for a vehicle.

In one or more embodiments of the present invention, the bumper beam and the front side member of the vehicle are interconnected by a bumper beam unit, wherein the inner upper trim line and the lower inner trim line form a shape of a bent " An inner side panel formed in a diagonal direction; The upper upper trim line and the lower lower trim line are formed in mutually diagonal directions so as to correspond to the inner upper trim line and the lower inner trim line in the shape of the bent upper plate and the upper upper trim line of the inner stud panel, And an outer side stance panel joined to the inner lower side trim line in a state where the outer upper and lower outer side trim lines are overlapped with each other to form a box shape together with the inner side stance panel; And a mounting plate joined to the front and rear ends of the inner and outer stance panels, respectively, may be provided.

Further, the inner stance panel may have beads formed on both sides of the inner side in a vertical direction.

In addition, the outer stance panel may be formed with a bead in a vertical direction on one side of the outer surface.

Further, the beads may be formed as concave grooves having a 'V' shape with respect to the outer surface.

In addition, the inner upper trim line and the inner lower trim line may be arranged in an 'X' shape in the planar direction.

In the embodiment of the present invention, the upper and lower two side trim lines, in which the inner and outer side panels are overlapped and joined to each other, are welded and arranged in a staggered "X" -shaped diagonal direction so that the two- To be evenly dispersed from the front to the back of the vehicle body, thereby improving collision absorbing performance against frontal collision of the vehicle.

1 is an exploded perspective view of a general automotive bumper unit.
2 is an assembled perspective view of a conventional bumper staunch unit.
3 is a perspective view of a bumper beam unit to which a bumper sta- tion unit for a vehicle according to an embodiment of the present invention is applied.
4 is a plan view of a bumper sta- tus unit for a vehicle according to an embodiment of the present invention.
5 is a bottom view of the bumper sta- tus unit for a vehicle according to the embodiment of the present invention.
6 is a projected plan view of a bumper sta- tion unit for a vehicle according to an embodiment of the present invention.
7 is a stress distribution diagram according to a frontal crash test of a bumper sta- tion unit for a vehicle according to the prior art and the embodiment of the present invention.

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

It is to be understood, however, that the present invention is not limited to the illustrated embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention. .

In order to clearly illustrate the embodiments of the present invention, parts that are not related to the description are omitted.

FIG. 3 is a perspective view of a bumper beam unit to which a bumper sta- tion unit for a vehicle according to an embodiment of the present invention is applied, FIG. 4 is a plan view of a bumper sta- tion unit for a vehicle according to an embodiment of the present invention, Fig. 6 is a projected plan view of a bumper sta- tion unit for a vehicle according to an embodiment of the present invention. Fig.

3 to 6, a bumper sta- tion unit 1 for a vehicle according to an embodiment of the present invention interconnects both rear side and front side-side members (not shown) of the bumper beam 3, The outer panel 11 and the outer panel 13, and the front and rear mounting plates 15 and 17.

The inner stance panel 11 is bent and formed into a shape of a 'C' -shaped plate, and an upper inner side trim line TL1 and an inner lower side trim line TL2 are formed at upper and lower ends, respectively. The trim line TL1 and the inner lower end trim line TL2 are formed to be staggered in the mutually diagonal direction.

That is, as shown in FIG. 6, the inner upper trim line TL1 and the inner lower trim line TL2 are arranged in an 'X' shape in the planar direction.

The upper and lower ends of the outer side panel 13 are also bent and formed in the shape of a 'C' -shaped plate, and the upper and lower ends thereof correspond to the inner upper trim line TL1 and the lower inner trim line TL2, respectively The outer upper trim line TL3 and the outer lower trim line TL4 are formed to be offset from each other in the diagonal direction.

The inner state panel 11 and the outer state panel 13 are joined by overlap welding in a state in which the corresponding trim lines TL1, TL2, TL3 and TL4 are overlapped with each other. The outer upper trim line TL3 and the lower outer trim line TL4 of the outer stadium panel 13 are overlapped with the inner upper trim line TL1 and the lower inner trim line TL2 of the spot welding W ) Or CO2 welding or the like to form a box shape.

The bead B is formed on both sides of the inner side surface of the inner side panel 11 and the bead B is formed on the outer side surface of the outer side panel 13 in the vertical direction.

That is, the bead B is formed as a concave groove having a 'V' shape with respect to the inner side surface and the outer side surface.

The mounting plates 15 and 17 are joined to the front and rear ends of the box shape formed by mutual assembly of the inner and outer stanchions 11 and 13 to form bumper beams 3, And a front side member (not shown).

Therefore, the bumper sta- tion unit 1 for a vehicle according to the embodiment of the present invention having the above-described structure is constructed by dividing the sta- tion itself into an inner stan- del panel 11 and an outer stan- del panel 13, The upper and lower trim lines TL1, TL2, TL3 and TL4, in which the state panel 11 and the outer side panel 13 are overlapped and joined to each other, are arranged in a diagonal direction of an interlaced "X " Welded to each other.

Thus, the two-ply upper and lower trim lines TL1, TL2, TL3 and TL4 can evenly distribute the stress caused by the impact force from the front of the vehicle to the rear, thereby improving the collision absorption performance against the frontal impact of the vehicle .

7 is a stress distribution diagram according to a frontal crash test of a bumper sta- tion unit for a vehicle according to the prior art and the embodiment of the present invention.

7 is a result of a collision test of the bumper staunch unit 1 in a single state in which the inner and outer stance panels 11 and 13 are assembled in a box shape. The stress distribution due to the front low-speed collision of the bumper stait unit 1 according to the embodiment of the present invention was compared with the displacement amount and the transmission load.

That is, the collision speed was set to 10 Kph as a test condition for the crash analysis, and the bumper stait unit 1 according to the embodiment of the present invention has the following collision analysis results in the low-speed collision test, It can be seen that it is superior in terms of performance in comparison with the result of the collision analysis of the unit 103.

In this case, the stress distribution of the bumper stasis unit 103, according to the prior art and the present invention, on the impact force is more uniformly dispersed and absorbed in the bumper stasis unit 1 according to the embodiment of the present invention appear.

In comparison of displacement amounts, the amount of displacement of the bumper staunch unit 1 according to the embodiment of the present invention was found to be about 3.4 mm smaller than that of the prior art, and the impact force was smaller than that of the front side The transmission load value transferred to the member can also be obtained as compared with the related art, in which the bumper stage unit 1 according to the embodiment of the present invention is shown to be about 41 KN smaller.

That is, the bumper stait unit 1 of the embodiment of the present invention is better in terms of the stress distribution, the stroke displacement amount, and the transfer load as compared with the bumper stait unit 103 of the prior art, .

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes to the scope that are deemed to be valid.

1: Bumpers unit
3: Bumper beam
11: Inner status panel
13: Outside stadium panel
15, 17: mounting plate
B: Bead
TL1, TL2, TL3, TL4: Trim line

Claims (8)

A bumper unit for a vehicle interconnecting a bumper beam and a front side member,
An inner side stance panel in which an inner upper trim line and an inner lower side trim line are formed in a diagonal direction in a shape of a bent 'C' shaped plate material;
The upper upper trim line and the lower lower trim line are formed in a mutually diagonal direction so as to correspond to the inner upper trim line and the lower inner trim line in the shape of the bent upper part of the inner upper trim line, And an outer side stance panel joined to the inner lower side trim line in a state where the outer upper and lower outer side trim lines are overlapped with each other to form a box shape together with the inner side stance panel;
A mounting plate joined to front and rear ends of the inner and outer stance panels, respectively;
And a bumper unit for a vehicle. The method according to claim 1,
The inner stance panel
And a bead is formed on both sides of the inner side in a vertical direction. 3. The method of claim 2,
The bead
And is formed as a concave groove having a 'V' shape with respect to the inner side surface. The method according to claim 1,
The outer side panel
And a bead is formed in a vertical direction on one side of the outer side surface. 5. The method of claim 4,
The bead
And is formed as a concave groove having a 'V' shape with respect to the outer side surface. The method according to claim 1,
Wherein the inner upper trim line and the inner lower trim line are arranged in an " X " shape in a planar direction. A bumper unit for a vehicle interconnecting a bumper beam and a front side member,
The inner upper trim line and the lower inner trim line are formed in a diagonal direction in a shape of a bent 'C' shaped plate material, and a bead of concave groove formed on both sides of the inner side in a shape of 'V' The status panel;
A bead of concave grooves formed in a shape of a letter 'V' on the outer side is formed in a vertical direction, and an outer upper trim line and a lower upper trim line are formed so as to correspond to the inner upper trim line and the inner lower end trim line, The outer lower trim line is formed in a mutually diagonal direction so that the inner upper trim line and the lower inner trim line of the inner stance panel are joined to each other so that the outer upper trim line and the outer lower trim line are overlapped with each other, An outer stance panel together with a box shape;
A mounting plate joined to front and rear ends of the inner and outer stance panels, respectively;
And a bumper unit for a vehicle. The method according to claim 6,
Wherein the inner upper trim line and the inner lower trim line are arranged in an " X " shape in a planar direction.
KR1020150169833A 2015-12-01 2015-12-01 Bumper stay unit for vehicles KR101689581B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150169833A KR101689581B1 (en) 2015-12-01 2015-12-01 Bumper stay unit for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150169833A KR101689581B1 (en) 2015-12-01 2015-12-01 Bumper stay unit for vehicles

Publications (1)

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KR101689581B1 true KR101689581B1 (en) 2016-12-26

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KR1020150169833A KR101689581B1 (en) 2015-12-01 2015-12-01 Bumper stay unit for vehicles

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101823428B1 (en) * 2017-02-28 2018-01-30 강영도 Apparatus for inspecting the assembling state of sealer for vehicle
KR102701585B1 (en) * 2024-05-23 2024-09-02 주식회사 엘리트산업 Forming method of shock absorption grooves for vehicle bumper stay

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7360811B2 (en) * 2005-06-24 2008-04-22 Benteler Automobiltechnik Gmbh Bumper for a motor vehicle
JP2008120324A (en) * 2006-11-15 2008-05-29 Toyotomi Kiko Co Ltd Vehicular energy absorbing member
JP2012162108A (en) * 2011-02-03 2012-08-30 Toyota Motor Corp Vehicle front structure
KR20140127812A (en) * 2012-02-03 2014-11-04 마그나 인터내셔널 인코포레이티드 Crash box for a bumper assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7360811B2 (en) * 2005-06-24 2008-04-22 Benteler Automobiltechnik Gmbh Bumper for a motor vehicle
JP2008120324A (en) * 2006-11-15 2008-05-29 Toyotomi Kiko Co Ltd Vehicular energy absorbing member
JP2012162108A (en) * 2011-02-03 2012-08-30 Toyota Motor Corp Vehicle front structure
KR20140127812A (en) * 2012-02-03 2014-11-04 마그나 인터내셔널 인코포레이티드 Crash box for a bumper assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101823428B1 (en) * 2017-02-28 2018-01-30 강영도 Apparatus for inspecting the assembling state of sealer for vehicle
KR102701585B1 (en) * 2024-05-23 2024-09-02 주식회사 엘리트산업 Forming method of shock absorption grooves for vehicle bumper stay

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