KR101758480B1 - Door for vehicle - Google Patents

Door for vehicle Download PDF

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Publication number
KR101758480B1
KR101758480B1 KR1020150178088A KR20150178088A KR101758480B1 KR 101758480 B1 KR101758480 B1 KR 101758480B1 KR 1020150178088 A KR1020150178088 A KR 1020150178088A KR 20150178088 A KR20150178088 A KR 20150178088A KR 101758480 B1 KR101758480 B1 KR 101758480B1
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KR
South Korea
Prior art keywords
door
glass
belt line
door inner
outer member
Prior art date
Application number
KR1020150178088A
Other languages
Korean (ko)
Other versions
KR20170070897A (en
Inventor
정창균
김동진
이석렬
Original Assignee
주식회사 포스코
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 포스코 filed Critical 주식회사 포스코
Priority to KR1020150178088A priority Critical patent/KR101758480B1/en
Publication of KR20170070897A publication Critical patent/KR20170070897A/en
Application granted granted Critical
Publication of KR101758480B1 publication Critical patent/KR101758480B1/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
    • B60J5/042—Reinforcement elements
    • B60J5/0456—Behaviour during impact
    • 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
    • B60J5/0411—Beltline
    • 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
    • B60J5/0416—Assembly panels to be installed in doors as a module with components, e.g. lock or window lifter, attached thereto
    • 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
    • B60J5/048—Doors arranged at the vehicle sides characterised by the material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seal Device For Vehicle (AREA)
  • Window Of Vehicle (AREA)

Abstract

According to an embodiment of the present invention, an automotive door includes a door outer member, a belt line outer member that is provided at an upper end of the door outer member and supports the door outer member and the glass member, The belt-line inner portion formed to support the glass member may include a door inner member formed integrally.

Description

Door for vehicle

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automotive door provided in an automobile.

When a car collides with a structure or another car, it must withstand the impact energy inside the car.

However, there is a limit to endure all the impact energy generated only by the energy absorption characteristic of the material, and in most cases, the thickness of the material is increased to compensate for it.

This is directly related to the weight increase of the vehicle body, and it is difficult to improve the fuel efficiency of automobile which is recently being discussed.

In particular, since the door (D) of a vehicle can withstand an impact only when a traffic accident occurs, the door (D) needs to maintain a strength enough to withstand the impact of the vehicle.

As shown in Figs. 1 and 2, such a door for an automobile may be composed of a door inner member 30 'that contacts the interior portion of the automobile and a door outer member 10 that contacts the exterior of the automobile.

The door for the vehicle guides the glass member G of the door for the automobile to move up and down. When the vehicle is running or when an automobile collides, the glass member G and the door inner member 30 ' A belt line inner 31 'and a belt line outer 20 for supporting the belt 10 and for alleviating vibration and impact.

However, the belt line inner 31 'requires a separate process for joining with the door inner member 30', and has a thick thickness in order to secure the rigidity of the door for an automobile, which is disadvantageous for weight reduction .

Therefore, to solve these problems, research on automotive doors has become necessary.

An object of the present invention is to provide an automotive door for lightening and shock absorption.

According to an embodiment of the present invention, an automotive door includes a door outer member, a belt line outer member that is provided at an upper end of the door outer member and supports the door outer member and the glass member, The belt-line inner portion formed to support the glass member may include a door inner member formed integrally.

Further, the door inner member of the automotive door according to an embodiment of the present invention may further include a door inner body portion coupled to the door outer member and formed at an upper end portion of the belt line inner portion, And the door inner body may be bent downward from an upper end of the door inner body.

Further, the belt line inner portion of the automotive door according to an embodiment of the present invention may include a body support tab (not shown) formed at one end thereof and extending from the door inner body portion, May be formed.

Further, the belt line inner portion of the automotive door according to an embodiment of the present invention may have one end extended from the door inner body portion, and a glass support tab bent in the direction of the glass member is formed at the center portion or the other end portion . ≪ / RTI >

The door inner member of the automotive door according to an embodiment of the present invention may be formed of a rubber material and may include a shielding support provided on the glass support tab to closely contact the glass member.

The automotive door of the present invention has the belt line inner portion in the door inner member, so that it is possible to avoid providing the separate belt line inner member in combination.

As a result, it is possible to reduce the production cost by reducing the weight of the automotive door and the number of the bonding process.

1 and 2 are views showing a conventional automotive door.
3 is a front view showing the automotive door of the present invention.
4 is a perspective view showing a door inner member of the automotive door of the present invention.
5 is an enlarged perspective view of a belt line inner portion of a door inner member of an automotive door of the present invention.
6 is a front view showing an embodiment including a body supporting tab in a door inner member of the automotive door of the present invention.
7 is a front view showing an embodiment including a glass support tab and a blocking support in the door inner member of the automotive door of the present invention.
8 is a front view showing an embodiment including a body supporting tab and a glass supporting tab in a door inner member of the automotive door of the present invention.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventive concept. Other embodiments falling within the scope of the inventive concept may readily be suggested, but are also considered to be within the scope of the present invention.

The same reference numerals are used to designate the same components in the same reference numerals in the drawings of the embodiments.

The present invention relates to an automobile door provided in an automobile and a door inner member (30) is provided with a belt line inner portion (31) so as to avoid providing a separate belt line inner member (31 ' Therefore, it is possible to reduce the production cost by reducing the weight of the automotive door and the coupling process.

4 is a perspective view showing a door inner member 30 of the automotive door according to the present invention, and FIG. 5 is a perspective view of the automotive door according to the present invention. Fig. 3 is a perspective view showing an enlarged view of the belt line outer portion of the door inner member 30 of the first embodiment.

3 to 5, an automotive door according to an embodiment of the present invention includes a door outer member 10, an upper end portion of the door outer member 10, A belt line outer member 20 for supporting the member G and a belt inner member 31 formed integrally with the door outer member 10 and formed to support the glass member G, (30).

The door inner member 30 of the automotive door according to the embodiment of the present invention is connected to the door outer member 10 and the inner surface of the door inner body portion 31, (32), and the belt line inner portion (31) is bent downward from an upper end of the door inner body portion (32).

The door outer member 10 serves as an outer frame of a door for an automobile which is an openable and closable part of the automobile.

Since the door outer member 10 is provided on the outside of the automotive door, the door outer member 10 is directly applied to an external impact and is provided in a beautiful shape, thereby allowing the user to select the door.

The belt-line outer member 20 serves to support the glass member G in cooperation with a belt line inner portion 31 to be described later.

In addition, the belt-line outer member 20 is provided adjacent to the glass member G to mitigate vibration and impact of the glass member G, and a weather strip is provided at the upper end And is provided in close contact with the glass member (G), thereby preventing rainwater or the like from entering into the vehicle door.

The belt-line outer member 20 may also reinforce the rigidity of the door outer member 10. That is, the lower end of the belt-line outer member 20 protrudes in the direction of the door outer member 10 to absorb vibrations and shocks of the door outer member 10.

The door inner member 30 is a portion provided adjacent to the interior of the automotive door. In particular, the door inner member 30 does not need to have a separate belt line inner member 31 'because the belt line inner portion 31 is formed integrally.

This eliminates the need for a conventional process for forming the belt line inner member 31 'and a process for joining the formed belt line inner member 31' by welding or bolting, And it is possible to reduce the weight of the automotive door.

The belt line inner member 31 cooperates with the belt line outer member 20 to support the glass member G. [

The belt line inner portion 31 is provided adjacent to the glass member G to mitigate vibrations and impacts of the glass member G and also has a weather strip at its upper end And a shutoff support portion 33 to be described later is provided so as to be in close contact with the glass member G so that rainwater or the like can be prevented from entering the automotive door while supporting the glass member G. [ A detailed description thereof will be described later with reference to Figs. 7 and 8. Fig.

The belt line inner portion 31 may be formed by a glass support tab 31b provided so as to protrude in the direction of the glass member G in addition to the blocking support portion 33, It can support and mitigate the impact. A detailed description thereof will be described later with reference to Figs. 7 and 8. Fig.

In addition, the belt line inner portion 31 can also reinforce the rigidity of the door inner member 30. [ That is, the belt line inner portion 31 may absorb the vibration and impact of the door inner member 30 by the body supporting tab 31a formed to protrude toward the door inner member 30 . A detailed description thereof will be described later with reference to Fig.

In order to form the belt line inner portion 31 on the door inner member 30, the belt inner member 30 may be formed by bending a flange portion extending from the door inner body portion 32 of the door inner member 30 have.

The door inner body portion 32 is a portion formed with the door outer member 10 to form a basic frame of an automotive door. At the upper end of the door inner body portion 32, a belt line inner portion 31 may be formed.

In other words, when molding the door inner body portion 32, a flange corresponding to the belt line inner portion 31 is formed at the upper end of the door body inner portion, and by bending the flange downward, And an inner portion 31 is provided between the door inner body portion 32 and the glass member G. [

FIG. 6 is a front view showing an embodiment including a body supporting tab 31a in a door inner member 30 of the automotive door of the present invention. Referring to FIG. 6, in the automotive door according to the embodiment of the present invention, One end of the belt line inner portion 31 is formed to extend from the door inner body portion 32 and a body supporting tab 31a bent in the direction of the door inner body portion 32 is formed at the center or the other end . ≪ / RTI >

In other words, the belt line inner portion 31 is provided with the body supporting tab 31a to reinforce the rigidity of the door inner member 30.

The body supporting tab 31a is formed to protrude toward the door inner body portion 32 and the portion adjacent to the door inner body portion 32 may be formed as a curved surface.

Thereby absorbing the vibration and impact of the door inner member 30 and reinforcing the rigidity of the door inner member 30. [

7 is a front view showing an embodiment including a glass support tab 31b and a blocking support 33 in the door inner member 30 of the automotive door of the present invention, And a body supporting tab 31a and a glass supporting tab 31b in the member 30. In the embodiment shown in Fig.

7 and 8, the belt line inner portion 31 of the automotive door according to the embodiment of the present invention is formed such that one end portion extends from the door inner body portion 32, And a glass support tab 31b bent in the direction of the glass member G is formed at the end portion.

In other words, the belt line inner portion 31 supports vibration and shock to the glass member G by the glass support tab 31b protruding in the direction of the glass member G, It is.

The glass support tab 31b is formed in a shape protruding toward the glass member G and has a curved surface adjacent to the glass member G to prevent damage due to friction with the glass member G As shown in FIG.

The belt line inner portion 31 may include only the glass support tab 31b but may be provided with the glass support tab 31b and the body support tab 31a.

When both the glass support tab 31b and the body support tab 31a are curved, the glass support tab 31b and the body support tab 31a are continuously formed, As shown in FIG.

The glass support tab 31b may be provided to be in direct contact with the glass member G but may be provided in contact with the glass member G via the blocking support 33. [

In other words, the door inner member 30 of the automotive door according to the embodiment of the present invention is formed of a rubber material, And may include a support portion 33.

The blocking support portion 33 is provided in addition to a weather strip at the upper end of the door inner member 30 so as to be brought into close contact with the glass member G so that rainwater or the like penetrates into the vehicle door So that it is possible to support the glass member G.

In order to reduce the friction caused by the contact with the glass member G, only the both end portions protrude toward the glass member G in order to secure the support stability while minimizing the contact area, . In other words, the cut-off support portion 33 may be recessed at the center portion and the edge portion may be provided in a protruding shape. An example of such a shape is shown in FIG.

Here, it is preferable that the blocking support portion 33 is formed of a rubber material and plays a role of supporting the glass member G in a resilient manner, preventing shock absorption, and preventing intrusion of foreign matter. The rubber material may be natural rubber or synthetic rubber. In addition, the barrier support 33 may be replaced with a material capable of supporting the glass member G in addition to a rubber material such as a PVC material.

10: Door outer member 20: Belt line outer member
30: door inner member 31: belt line inner part
32: door inner body part 33:

Claims (5)

A door outer member;
A belt line outer member provided at an upper end of the door outer member and supporting the door outer member and the glass member; And
A door inner member coupled to the door outer member, and a belt inner member formed integrally with an upper end of the door inner body to support the glass member;
/ RTI >
The belt-
The door inner body portion being bent downward from an upper end of the door inner body portion, one end portion extending from the door inner body portion,
A glass support tab bent in the direction of the glass member is provided at the center or the other end,
Wherein the barrier support provided on the glass support tab is formed of a rubber material so as to be in close contact with the glass member,
The cut-
Wherein only the opposite ends are protruded toward the glass member. delete The method according to claim 1,
Wherein the belt line inner portion is formed with one end extending from the door inner body portion and a body supporting tab formed at a central portion or the other end portion of the belt line inner portion bent toward the door inner body portion. delete delete
KR1020150178088A 2015-12-14 2015-12-14 Door for vehicle KR101758480B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150178088A KR101758480B1 (en) 2015-12-14 2015-12-14 Door for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150178088A KR101758480B1 (en) 2015-12-14 2015-12-14 Door for vehicle

Publications (2)

Publication Number Publication Date
KR20170070897A KR20170070897A (en) 2017-06-23
KR101758480B1 true KR101758480B1 (en) 2017-07-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150178088A KR101758480B1 (en) 2015-12-14 2015-12-14 Door for vehicle

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013095204A (en) * 2011-10-28 2013-05-20 Toyota Motor Corp Side door structure of automobile

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013095204A (en) * 2011-10-28 2013-05-20 Toyota Motor Corp Side door structure of automobile

Also Published As

Publication number Publication date
KR20170070897A (en) 2017-06-23

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