KR101557233B1 - door junction structure for automobile - Google Patents

door junction structure for automobile Download PDF

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Publication number
KR101557233B1
KR101557233B1 KR1020140079434A KR20140079434A KR101557233B1 KR 101557233 B1 KR101557233 B1 KR 101557233B1 KR 1020140079434 A KR1020140079434 A KR 1020140079434A KR 20140079434 A KR20140079434 A KR 20140079434A KR 101557233 B1 KR101557233 B1 KR 101557233B1
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KR
South Korea
Prior art keywords
door
inner panel
door inner
panel
outer panel
Prior art date
Application number
KR1020140079434A
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Korean (ko)
Inventor
오태호
Original Assignee
쌍용자동차 주식회사
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Publication date
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Priority to KR1020140079434A priority Critical patent/KR101557233B1/en
Application granted granted Critical
Publication of KR101557233B1 publication Critical patent/KR101557233B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B60J5/04—Doors arranged at the vehicle sides
    • B60J5/0412—Lower door structure

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

Abstract

The present invention relates to a door bottom joining structure for an automobile. In the conventional art, when the door inner panel and the door outer panel are fixedly coupled so that the end of the door inner panel is provided inside the door outer panel bending portion of the door outer panel, There is a problem that the end of the door inner panel is corroded by moisture penetrated into the door.
Accordingly, in the door bottom joint structure of an automobile for forming a door of a vehicle in the production stage of a car, door inner panel bending part 150 is formed at the lower end, A door inner panel 100 having a plurality of door inner panel moisture discharging portions 180 provided at an upper portion adjacent to the panel bending portion 150 and finished entirely with the door inner panel zinc plating finishing portion 130; A door outer panel bending part 250 is formed at the lower end to which the door inner panel bending part 150 of the door inner panel 100 is fixedly coupled to the inside and the entire finish surface is connected to the door outer panel zinc- And a door outer panel 200 to be closed.

Description

A door junction structure for automobile,

The present invention relates to a door bottom joining structure of an automobile, and more particularly, to a door bottom joining structure of an automobile for forming a door of a vehicle at a manufacturing stage of an automobile, in which a door inner panel bending portion is formed at a lower end of a door inner panel A door outer panel bending part fixedly coupled to the door inner panel bending part is formed at the lower end of the door outer panel so that the end of the door inner panel and the end of the door outer panel can be closed together with the door inner panel and the door outer panel white sealer And a door bottom joint structure of an automobile in which the bottom of the door is prevented from being corroded by moisture.

Generally, a door of an automobile is composed of a door inner panel and a door outer panel.

FIG. 1 is a sectional view showing a state in which a door inner panel and a door outer panel are separated from each other in a door bottom joining structure of a conventional automobile. FIG. 2 is a cross-sectional view of a door inner panel and a door outer panel FIG. 3 is a cross-sectional view illustrating a state in which a door inner panel and a door outer panel of a door bottom joining structure of a conventional automobile are joined together and then finished with an electrodeposition finisher. FIG. 4 is a cross- Sectional view showing a state where the door inner panel and the door outer panel are combined and then corroded by moisture penetration.

That is, the end of the door inner panel 10 is fixedly coupled to the door outer panel bending portion 25 of the door outer panel 20.

The door outer panel bending part 25 and the corresponding door inner panel 10 are closed with door inner panel and door outer panel white sealer 30, respectively.

In addition, the inside of the door outer panel bending portion 25 and the corresponding portion of the door inner panel 10 are joined by the door inner panel and the door outer panel joining sealer 40.

However, such a door bottom joining structure of the automobile has the following problems.

That is, when the door inner panel and the door outer panel are fixedly coupled so that the end of the door inner panel is provided inside the door banding portion of the door outer panel, the end of the door inner panel is corroded by the water impregnated inside the door There was a problem.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a door inner panel bending portion at the lower end of a door inner panel so as to prevent the door bottom from being corroded by moisture, and at the lower end of the door outer panel, The edge of the door inner panel and the edge of the door outer panel can be closed together with the door inner panel and the door outer panel white sealer by forming the outer panel banding portion so that the end of the door inner panel is covered with the door outer panel banding The present invention provides a door bottom joining structure for an automobile which can effectively solve the problem of corrosion of the end of the door inner panel due to moisture penetrated into the inside of the door when the door inner panel and the door outer panel are fixedly coupled to each other There is.

In the lower door end joining structure of a vehicle for forming a door of a vehicle in the production stage of an automobile, door inner panel bending portions, which are folded upward at a predetermined interval, are formed at the lower end of the door inner panel bending portion, A door inner panel having a plurality of door inner panel moisture discharging portions disposed at an upper portion adjacent to the door inner panel, the door finishing surface being finished with a door inner panel zinc plating finishing portion, and a door inner panel bending portion of the door inner panel, And an outer panel banding portion is formed on the outer surface of the door panel, and the entire finish surface is closed by the door outer panel zinc plating finishing portion.

Then, a door inner panel and a door outer panel white sealer are applied to the edge of the door inner panel bending portion of the door inner panel and the edge of the door outer panel bending portion of the door outer panel, and the door inner panel bending portion ends of the door inner panel, The outer edge of the door outer panel bending portion of the door outer panel is prevented from being corroded by moisture.

Particularly, after the door inner panel bending portion of the door inner panel is fixedly coupled to the door outer panel bending portion of the door outer panel, the door inner panel bending portion of the door inner panel and the door inner panel bending portion of the door outer panel The door inner panel and the door outer panel panel sealer are applied so that the edge of the door inner panel bending portion of the door inner panel and the edge of the door outer panel bending portion of the door outer panel are not corroded by moisture to achieve the object of the present invention You can do it.

According to the present invention, the door inner panel bending portion is formed at the lower end of the door inner panel, and the door outer panel bending portion fixedly coupled to the door inner panel bending portion at the lower end of the door outer panel is formed, It is possible to finish the door with the door inner panel and the door outer panel white sealer, thereby preventing the door bottom from being corroded by moisture.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view showing a state in which a door inner panel and a door outer panel of a door bottom joining structure of a conventional automobile are separated. FIG.
BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to a vehicle door structure, and more particularly,
FIG. 3 is a cross-sectional view showing a state in which a door inner panel and a door outer panel of a door bottom joining structure of a conventional automobile are combined and then closed with an electroplated finish.
FIG. 4 is a cross-sectional view showing a state in which a door inner panel and a door outer panel of a door bottom joint structure of a conventional automobile are joined together and then corroded by moisture penetration. FIG.
FIG. 5 is a perspective view showing a state where a door bottom of a conventional automobile is corroded. FIG.
6 is a perspective view showing a door of a door bottom joining structure of an automobile according to the present invention.
7 is a rear perspective view showing a door of a door bottom joining structure of a vehicle according to the present invention.
FIG. 8 is a sectional view showing a door inner panel and a door outer panel of a door lower end joining structure of an automobile according to the present invention separated; FIG.
FIG. 9 is a sectional view showing a door inner panel and a door outer panel of a door bottom joining structure of an automobile according to the present invention.
FIG. 10 is a sectional view showing a state in which a door inner panel and a door outer panel of a door bottom joining structure of an automobile according to the present invention are combined and then closed with an electrodeposition finish. FIG.
FIG. 11 is a sectional view showing a state in which moisture penetrates after a door inner panel and a door outer panel of a door bottom joining structure of an automobile according to the present invention are combined. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

6 is a perspective view showing a door of a door bottom joining structure of an automobile according to the present invention, FIG. 7 is a rear perspective view showing a door of a door bottom joining structure of an automobile according to the present invention, and FIG. FIG. 9 is a cross-sectional view showing a state in which a door inner panel and a door outer panel of a door lower end joining structure of a vehicle according to the present invention are combined. FIG. And FIG. 10 is a cross-sectional view showing a state in which the door inner panel and the door outer panel of the door bottom joining structure of the automobile according to the present invention are combined and then finished with the electrodeposition finishing part. FIG. 11 is a cross- It is a cross-sectional view showing the penetration of moisture after the door inner panel and the door outer panel of the structure are combined.

According to the present invention, in the lower door end joining structure of a vehicle for forming a door of a vehicle in the production stage of an automobile, a door inner panel bending part 150 is formed at the lower end, A door inner panel 100 having a plurality of door inner panel moisture discharging portions 180 disposed at an upper portion adjacent to the inner panel bending portion 150 and having an entire finish surface closed with a door inner panel zinc plating finishing portion 130; .

A door outer panel bending part 250 is formed at the lower end of the door inner panel 100 and the door inner panel bending part 150 is fixedly coupled to the inside of the door inner panel 100. The entire finish surface is connected to the door outer panel zinc plating finish part 230 And a door outer panel 200 which is closed by a door frame.

Particularly, a door inner panel and a door outer panel joint sealer 400 are provided at the ends of the door inner panel bending portion 150 of the door inner panel 100 and at the ends of the door outer panel bending portion 250 of the door outer panel 200 So that the edge of the door inner panel bending portion 150 of the door inner panel 100 and the edge of the door outer panel bending portion 250 of the door outer panel 200 are not corroded by moisture .

The door inner panel bending part 150 of the door inner panel 100 is fixedly coupled to the door outer panel bending part 250 of the door outer panel 200 and then the door inner panel bending part 150 of the door inner panel 100 The door inner panel and the door outer panel white sealer 300 are applied to the outer surface of the door outer panel 150 and the inner surface of the door outer panel bending portion 250 of the door outer panel 200, The outer surface of the panel bending part 150 and the inner surface of the door outer panel bending part 250 of the door outer panel 200 are not corroded by moisture.

The present invention relates to a door bottom joining structure of an automobile.

That is, a door inner panel bending part 150 is formed at the lower end of the door inner panel 100 and the end of the door inner panel bending part 150 is folded upward by a predetermined distance. In the upper part adjacent to the door inner panel bending part 150, And the entire finishing surface is finished with the door inner panel galvanized finishing portion 130.

A door outer panel bending part 250 is formed at the lower end of the door outer panel 200 to which the door inner panel bending part 150 of the door inner panel 100 is fixedly coupled to the inside, And the panel is finished with the zinc plating finishing portion 230.

The door inner panel bending portion 150 of the door inner panel 100 and the door outer panel bending portion 250 of the door outer panel 200 are respectively finished by galvanizing even if moisture penetrates into the inside of the door Therefore, the bottom of the door is not corroded.

Particularly, a door inner panel 150 and a door outer panel white sealer 300 (not shown) are attached to the outer surface of the door inner panel bending portion 150 of the door inner panel 100 and the inner surface of the door outer panel bending portion 250 of the door outer panel 200, The outer side surface of the door inner panel bending portion 150 of the door inner panel 100 and the side surface of the door outer panel bending portion 250 of the door outer panel 200 are not corroded by moisture .

The door inner panel bending portion 150 of the door inner panel 100 is fixedly coupled to the door outer panel bending portion 250 of the door outer panel 200 and then the door inner panel bending portion 150 of the door inner panel 100 150 of the door inner panel 100 and the door outer panel panel 200 are coated with the door inner panel and the door outer panel joint sealer 400 on the inner side of the door bending portion 250 of the door outer panel 200, The edge of the portion 150 and the edge of the door outer panel bending portion 250 of the door outer panel 200 are not corroded by moisture.

The end of the door outer panel bending part 250 is positioned lower than the end of the door inner panel bending part 150 so that the door inner panel 100 and the outer panel joint sealer 400 are coated.

100: Door inner panel 130: Door inner panel Zinc plating finish
150: door inner panel bending part 180: door inner panel water outlet
200: Door Outer Panel 230: Door Outer Panel Zinc Plated Finish
250: Door outer panel bending part
300: Door inner panel and outer panel white sealer
400: Door inner panel and outer panel joint sealer

Claims (4)

delete delete delete In a door bottom joining structure of an automobile for forming a door of a vehicle at the production stage of the automobile,
A door inner panel bending part 150 is formed at a lower end of the door panel 150 and the door inner panel bending part 150 is folded upward by a predetermined distance. A plurality of door inner panel moisture discharging parts 180 are provided at an upper part adjacent to the door inner panel bending part 150, The entire finish surface includes a door inner panel 100 closed with a door inner panel zinc-plated finish 130;
A door outer panel bending part 250 is formed at the lower end to which the door inner panel bending part 150 of the door inner panel 100 is fixedly coupled to the inside and the entire finish surface is connected to the door outer panel zinc- And a door outer panel 200 to be closed,
Wherein an end portion of the door outer panel bending portion 250 is positioned lower than an end portion of the door inner panel bending portion 150 so that the door inner panel 100 and the outer panel bonding sealer 400 are applied. Door bottom joint structure.
KR1020140079434A 2014-06-27 2014-06-27 door junction structure for automobile KR101557233B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020140079434A KR101557233B1 (en) 2014-06-27 2014-06-27 door junction structure for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020140079434A KR101557233B1 (en) 2014-06-27 2014-06-27 door junction structure for automobile

Publications (1)

Publication Number Publication Date
KR101557233B1 true KR101557233B1 (en) 2015-10-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020140079434A KR101557233B1 (en) 2014-06-27 2014-06-27 door junction structure for automobile

Country Status (1)

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KR (1) KR101557233B1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19824932A1 (en) * 1997-06-06 1998-12-10 Volkswagen Ag Connection between bodywork sheet component and reinforcement element
JP2009035178A (en) * 2007-08-02 2009-02-19 Honda Motor Co Ltd Door structure for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19824932A1 (en) * 1997-06-06 1998-12-10 Volkswagen Ag Connection between bodywork sheet component and reinforcement element
JP2009035178A (en) * 2007-08-02 2009-02-19 Honda Motor Co Ltd Door structure for vehicle

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