KR101134947B1 - Absorbing impact unit of center pillar lower part for vehicles - Google Patents

Absorbing impact unit of center pillar lower part for vehicles Download PDF

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Publication number
KR101134947B1
KR101134947B1 KR1020100053956A KR20100053956A KR101134947B1 KR 101134947 B1 KR101134947 B1 KR 101134947B1 KR 1020100053956 A KR1020100053956 A KR 1020100053956A KR 20100053956 A KR20100053956 A KR 20100053956A KR 101134947 B1 KR101134947 B1 KR 101134947B1
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KR
South Korea
Prior art keywords
center pillar
panel
side seal
outer panel
shock absorbing
Prior art date
Application number
KR1020100053956A
Other languages
Korean (ko)
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KR20110134138A (en
Inventor
구도회
박정운
Original Assignee
주식회사 성우하이텍
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Priority to KR1020100053956A priority Critical patent/KR101134947B1/en
Publication of KR20110134138A publication Critical patent/KR20110134138A/en
Application granted granted Critical
Publication of KR101134947B1 publication Critical patent/KR101134947B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
    • B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036—Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars

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

Abstract

The present invention is configured between the lower portion of the center pillar and the side seal inner panel and the outer panel in the side seal to improve the shock absorbing performance by absorbing the impact force caused by the side impact of the vehicle over two times, and improve the side of the overall body. Provided is a shock absorbing unit for a vehicle center pillar lower reinforcing rigidity.

Description

Center pillar lower shock absorption unit for vehicle {ABSORBING IMPACT UNIT OF CENTER PILLAR LOWER PART FOR VEHICLES}

The present invention relates to a lower impact absorbing unit for a vehicle center pillar, and more particularly, is provided between a lower portion of a center pillar and a side seal to improve impact absorption performance by absorbing impact force due to side impact of a vehicle over a second stage. It relates to a shock absorbing unit under the vehicle center pillar.

In general, the center pillar of the vehicle body serves as a support between the front and rear doors, and maintains the rigidity of the center of the side surface of the vehicle body so that the front and rear doors can be mounted.

As shown in FIG. 1, the center pillar 100 has an upper end assembled to the side outer panel 200, and a lower end assembled to the lower side seal 300, which includes a center pillar outer panel 101 and a center pillar inner. It consists of a panel (not shown).

In particular, in the case of the center pillar outer panel 101, a lower end thereof is assembled to the side seal 300, and as shown in FIG. 2, the lower end of the center pillar outer panel 101 is located inside the side panel 200. It is assembled by welding at two points P1 and P2 to the box-shaped side seal 300 formed at the lower portion.

That is, the lower end of the center pillar outer panel 101 has one side and the front end of each of the upper and lower ends of the side seal inner panel 301 and the side seal outer panel 303 of the side seal 300 respectively. Spot welded together.

In this case, a side molding 400 is installed on the outer surface of the side seal outer panel 303 through a hook pin 401, and a center follower panel 500 is welded to an inner surface of the side seal inner panel 301. .

Here, in FIG. 2, reference numeral 600 denotes a door panel.

However, the above-described conventional vehicle center pillar undercarriage structure is configured in the existing side seal 300 so that the side molding 400 and the side seal outer panel 303 move toward the side seal inner panel 301 when the vehicle collides with the side. A reinforcing bulk head (BULK HEAD) to prevent deformation is to be installed, but it cannot be installed by the center pillar outer panel 101, which has a disadvantage in that impact absorption performance is lowered.

Accordingly, the conventional center pillar undercarriage has a problem in that the impact force caused by the side collision of the vehicle cannot be effectively absorbed, so that the overall stiffness of the vehicle body is lowered.

Therefore, the present invention has been invented to solve the above-mentioned disadvantages, and the problem to be solved by the present invention is configured between the lower part of the center pillar and the side seal inner panel and the outer panel in the side seal to prevent side impact of the vehicle. It is to provide a shock absorbing unit for a vehicle under the center pillar lower absorber to improve the shock absorbing performance by absorbing the impact force over a second, and to reinforce the side stiffness of the overall body.

In the vehicle center pillar lower shock absorbing unit of the present invention for realizing the technical problem as described above is composed of a side seal outer panel and a side seal inner panel in the side seal which is assembled with the lower end of the center pillar outer panel,

An outer shock absorbing member configured on an inner surface of the side seal outer panel to face the center pillar outer panel; An inner shock absorbing member configured between the center pillar outer panel and the side seal inner panel; And a guide member penetrating through one side of the center pillar outer panel and the inner shock absorbing member and installed at one side of the side seal inner panel to guide the compression deformation caused by the impact force of the outer shock absorbing member.

The outer shock absorbing member is

An outer aluminum foam having an outer surface bonded to an inner surface of the side seal outer panel; And a guide plate bonded to an inner surface of the outer aluminum foam and penetrating the guide member through a center thereof.

The inner shock absorbing member may be formed of an inner aluminum foam having inner and outer surfaces respectively adhered to an inner surface of the side seal inner panel and a surface of the center pillar outer panel, respectively.

The guide member may include a pin nut fixed to one side of an inner surface of the side seal inner panel; One end of the center pillar outer panel and one side of the inner shock absorbing member is fastened to the pin nut at one end, the other end may be composed of a guide pin disposed corresponding to the center of the outer shock absorbing member.

As described above, according to the vehicle center pillar lower shock absorbing unit according to the present invention, an inner and outer shock absorbing member and a guide member are formed between the lower part of the center pillar and the side seal inner panel and the outer panel in the side seal. Therefore, the impact force caused by the side impact of the vehicle is absorbed by the inner and outer shock absorbing members for two times, thereby improving the shock absorbing performance and reinforcing the overall stiffness of the vehicle body.

1 is a view showing the side in the side of a typical vehicle body.
2 is a cross-sectional view showing a vehicle center pillar undercarriage according to the prior art.
3 is a cross-sectional view showing a vehicle center pillar lower structure to which an impact absorbing unit is applied according to an embodiment of the present invention.
Figure 4 is a perspective view of the partially cut assembly of the vehicle center pillar lower structure to which the shock absorbing unit is applied according to an embodiment of the present invention.
5 is a partially cutaway exploded perspective view of a vehicle center pillar lower structure to which an impact absorbing unit is applied according to an embodiment of the present invention.
6 to 8 is a deformation pattern of the shock absorption step of the shock absorption unit according to an embodiment of the present invention.

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

3 is a cross-sectional view showing a vehicle center pillar undercarriage structure to which a shock absorbing unit is applied according to an embodiment of the present invention, and FIG. 4 is a partial cutaway assembly of a vehicle center pillar undercarriage structure to which a shock absorbing unit is applied according to an embodiment of the present invention. 5 is a perspective view of a partially cutaway exploded perspective view of a vehicle center pillar lower structure to which an impact absorbing unit is applied according to an exemplary embodiment of the present invention.

Referring to FIG. 3, in the vehicle center pillar lower structure to which the shock absorbing unit 1 according to the present embodiment is applied, a lower portion of the center pillar outer panel 3 is assembled to the side seal 5, wherein the center pillar The lower end of the outer panel 3 is assembled by welding at two points P1 and P2 to the box-shaped side seal 5 formed at the inner lower side of the side panel 7.

That is, the lower end of the center pillar outer panel 3 is in a state in which one side and the front end of the side seal inner panel 11 and the side seal outer panel 13 of the side seal 5 overlap each other. Spot welded together.

In this case, a side molding 15 is installed on the outer surface of the side seal outer panel 13 through a hook pin 17, and a center follower panel 9 is welded to the inner surface of the side seal inner panel 11. .

The shock absorbing unit 1 according to the present embodiment applied to such a vehicle center pillar lower structure includes a side seal outer panel 13 and a side seal inner panel 11, as shown in FIGS. 4 and 5. And the side seal 5 assembled with the lower end of the center pillar outer panel 3.

The shock absorbing unit 1 has an outer shock absorbing member 20 formed on an inner surface of the side seal outer panel 13 and the center pillar outer panel 3 and the side facing the center filler outer panel 3. An inner shock absorbing member 30 is formed between the seal inner panels 11.

In addition, the shock absorbing unit 1 includes a guide member 40 installed on one side of the side seal inner panel 11.

That is, the outer shock absorbing member 20 may include an outer aluminum foam 21 having an outer surface bonded to an inner surface of the side seal outer panel 13, and a guide plate bonded to an inner surface of the outer aluminum foam 21. 23).

The guide plate 23 is formed so that the through-hole H is formed in the center thereof so that the guide member 40 penetrates.

The inner shock absorbing member 30 is an inner aluminum foam 31 whose inner and outer surfaces are respectively bonded to one surface of the inner surface 11 and the center pillar outer panel 3 of the side seal inner panel, respectively. It is composed.

In this case, the inner aluminum foam 31 and the outer aluminum foam 21 may have both sides of the side seal inner panel 11, the center pillar outer panel 3, and the side seal outer panel 13, respectively. The guide plate 23 may be adhered through a thermosetting adhesive pad P, but the present invention is not limited thereto, and may be applied to the guide plate 23 in consideration of the properties of the material.

In addition, the guide member 40 includes a pin nut 41 fixed to one side of the inner surface of the side seal inner panel 11, and a guide pin 43 fastened to the pin nut 41.

That is, the guide pin 23 penetrates through one side of the center pillar outer panel 3 and one side of the inner aluminum foam 31, and one end thereof is screwed to the pin nut 41, and the other end of the guide pin 23 is It is fitted through the through-hole H of the guide plate 23 of the outer shock absorbing member 20 is disposed corresponding to the center of the outer aluminum foam (21).

The guide pin 43 is installed through one side of the center pillar outer panel 3 and the inner aluminum foam 31 to guide the compression deformation by the impact force of the outer aluminum foam 21.

In FIG. 3, reference numeral 50 denotes a door panel.

Therefore, the vehicle center pillar lower shock absorbing unit 1 as described above, as shown in Figure 6, when the impact force (F) is transmitted through the center pillar lower side of the vehicle body, when the side impact of the vehicle, the side molding 15 and the side seal outer panel 13 are deformed to the side seal inner panel 11 side.

At this time, the outer aluminum foam 21 is guided by the guide pin 43 according to the deformation of the side seal outer panel 13, and as shown in FIG. 7, the guide plate (3) on the center pillar outer panel 3. 23 is collapsed together with the side seal outer panel 13 while being supported to absorb the impact force F primarily.

Subsequently, when the impact force F acts on the side seal outer panel 13, the center pillar outer panel 3 is formed together with the side seal outer panel 13 and the outer aluminum foam 21. While compressing the 31), it is deformed toward the side seal inner panel 11 to absorb the impact force F secondarily.

Thus, the shock absorbing unit 1 absorbs the impact force F caused by the side collision of the vehicle in the inside of the side seal 5 under the center pillar, which is weak in rigidity, so as to improve the lateral rigidity of the entire vehicle body. do.

1: Shock Absorber Unit 3: Center Filler Outer Panel
5: side seal 7: side panel
9: center floor panel 11: side seal inner panel
13: side seal outer panel 15: side molding
17: hook pin 20: outer shock absorbing member
21: outer aluminum foam 23: guide plate
30: inner shock absorbing member 31: inner aluminum foam
40: guide member 41: pin nut
43: guide pin 50: door panel

Claims (8)

In the inside of the side seal, which is composed of the side seal outer panel and the side seal inner panel and assembled with the lower end of the center pillar outer panel,
An outer shock absorbing member configured on an inner surface of the side seal outer panel to face the center pillar outer panel;
An inner shock absorbing member configured between the center pillar outer panel and the side seal inner panel; And
A vehicle center pillar lower impact including a guide member which penetrates one side of the center pillar outer panel and the inner shock absorbing member and is installed at one side of the side seal inner panel to guide the compression deformation caused by the impact force of the outer shock absorbing member. Absorption unit. In claim 1,
The outer shock absorbing member is
An outer aluminum foam having an outer surface bonded to an inner surface of the side seal outer panel; And
The center pillar lower impact absorbing unit for a vehicle, which is attached to an inner surface of the outer aluminum foam and comprises a guide plate through which the guide member penetrates through the center. In claim 1,
The inner shock absorbing member
And an inner aluminum foam having an inner side and an outer side respectively adhered to an inner surface of the side seal inner panel and a surface of the center pillar outer panel, respectively. The method of claim 1 or 2,
The guide member is
A pin nut fixed to one side of an inner surface of the side seal inner panel;
The center pillar lower part of the vehicle, which is connected to one end of the center pillar outer panel and one side of the inner shock absorbing member and fastened to the pin nut at one end thereof, and the other end is formed of a guide pin disposed corresponding to the center of the outer shock absorbing member. Shock Absorption Unit. In the inside of the side seal, which is composed of the side seal outer panel and the side seal inner panel and assembled with the lower end of the center pillar outer panel,
An outer aluminum foam bonded to an inner surface of the side seal outer panel opposite the center pillar outer panel;
A guide plate bonded to an inner surface of the outer aluminum foam and having a through hole formed at a center thereof;
An inner aluminum foam having side surfaces bonded to each other between the center pillar outer panel and the side seal inner panel; And
And a guide pin penetrating through one side of the center pillar outer panel and the inner aluminum foam and installed at one side of the side seal inner panel through a pin nut. In claim 5,
The inner aluminum foam
Both sides of the side seal inner panel and the center pillar outer panel, the vehicle side pillar lower impact absorption unit is bonded to the adhesive through a thermosetting adhesive pad. In claim 5,
The outer aluminum foam
Both sides of the vehicle side pillar outer shock absorbing unit is bonded to the side seal outer panel and the guide plate through a thermosetting adhesive pad. In claim 5,
The pin nut is
Welded to one side of the inner surface of the side seal inner panel, the vehicle center pillar lower impact absorbing unit, characterized in that the screw fastened with the guide pin.
KR1020100053956A 2010-06-08 2010-06-08 Absorbing impact unit of center pillar lower part for vehicles KR101134947B1 (en)

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KR1020100053956A KR101134947B1 (en) 2010-06-08 2010-06-08 Absorbing impact unit of center pillar lower part for vehicles

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Application Number Priority Date Filing Date Title
KR1020100053956A KR101134947B1 (en) 2010-06-08 2010-06-08 Absorbing impact unit of center pillar lower part for vehicles

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KR20110134138A KR20110134138A (en) 2011-12-14
KR101134947B1 true KR101134947B1 (en) 2012-04-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105722744A (en) * 2013-10-14 2016-06-29 雷诺股份公司 Motor vehicle valance panel structure

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021060660A1 (en) 2019-09-25 2021-04-01 주식회사 포스코 Side sill for vehicle
DE102020208285A1 (en) * 2020-07-02 2022-01-05 HAVEL metal foam GmbH Underride protection for a vehicle with metal foam in a hollow profile
DE102021004896A1 (en) * 2021-09-28 2022-09-08 Mercedes-Benz Group AG Side skirts for a motor vehicle body and modular system
DE102021005681B3 (en) * 2021-11-16 2022-09-22 Mercedes-Benz Group AG Sidewall structure for a car body

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0142927B1 (en) * 1995-10-10 1998-08-01 전성원 Side sill structure
KR100199951B1 (en) * 1996-10-18 1999-06-15 정몽규 Side strength reinforcement structure of side space

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0142927B1 (en) * 1995-10-10 1998-08-01 전성원 Side sill structure
KR100199951B1 (en) * 1996-10-18 1999-06-15 정몽규 Side strength reinforcement structure of side space

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105722744A (en) * 2013-10-14 2016-06-29 雷诺股份公司 Motor vehicle valance panel structure

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