Vehicle with a sealing structure for a vehicle door

Abstract

A vehicle with a sealing structure for a vehicle door, which seals a gap between a door (2) and a vehicle body (1) of the vehicle, comprising: a sealed section which is a gap between the vehicle body (1) and an inner door panel (21); a body sealing strip (70) which is mounted on a first side of a laterally outermost section of the sealed section along an edge of an opening section of the vehicle body (1) and seals the gap between the vehicle body (1) and the door (2); an upper sealing strip (50) which is mounted on a second side of the laterally outermost section of the sealed section along a roof panel and seals gaps between the roof panel, the vehicle body (1) and the door (2);a door sealing strip (60) which is mounted in the sealed section between the body sealing strip (70) and the upper sealing strip (50) at a distance from the body sealing strip (70) and the upper sealing strip (50), extends along the edge of the opening section and seals the gap between the vehicle body (1) and the door (2); a central rail (30) which is mounted on a central inner surface of the door (2) in a front-to-back direction of the vehicle; and a central roller (40) which is mounted on the vehicle body (1) such that it corresponds to the central rail (30) and is coupled to the central rail (30) in such a way that it allows the door (2) to slide, wherein a neck section (43) of the central roller (40) is bent towards the central rail (30) to mount the body sealing strip (70) in the sealed section.

Description

[0001] This application claims priority to Korean Patent Application No. 10-2019-0009449 filed on January 24, 2019, the entire contents of which are incorporated herein by reference.

[0002] The invention relates to a sealing structure for a vehicle door, and more particularly to a sealing structure for a vehicle door in which, in counter-sliding doors, a middle roller is mounted on a vehicle body and a middle rail is mounted on a door to seal a portion where the middle roller operates, an upper roller and an upper rail are omitted, and a door weather strip is mounted on a sealed portion so that a gap between the door and the vehicle body is securely sealed.

[0003] Generally, doors for opening and closing a passenger compartment of a vehicle include front doors installed at a front side in a longitudinal direction of a vehicle and rear doors installed at a rear side in the longitudinal direction of the vehicle. Recently, the need to fully open a door has increased to allow a disabled person to sit in the vehicle and facilitate loading, and as a result, sliding doors are being installed, which are opened or closed by sliding them sideways.

[0004] Both the rear door and the front door are configured as a sliding door such that the rear door and the front door can be opened in opposite directions. Accordingly, an upper rail, a middle rail, and a lower rail are mounted on an upper side, a middle side, and a lower side of a vehicle body, respectively. An upper roller, a middle roller, and a lower roller are mounted on an upper side, a middle side, and a lower side of the door, respectively, to correspond with the upper rail, the middle rail, and the lower rail, respectively, allowing the door to slide.

[0005] Meanwhile, in the vehicle, a weather strip serving as a sealing member is installed on the vehicle body to seal a portion between an opening edge portion of each vehicle body opening portion (e.g., a side door opening portion, a tailgate opening portion, a trunk opening portion, etc.) and a peripheral edge portion of each door body (e.g., a side door, a tailgate, a trunk lid, etc.) that can close the vehicle body opening portion.

[0006] Regarding a weather strip of a vehicle with sliding doors, a developed technique discloses a sliding door device for a vehicle that moves forward and backward in a longitudinal direction of the vehicle to open and close a door opening of a vehicle body. The sliding door device for a vehicle includes a sliding door slidably installed, a door weather strip attached to the sliding door, a pressure switch that detects an internal pressure of the door weather strip, and a pneumatic pressure line that connects the door weather strip and the pressure switch such that the door weather strip and the pressure switch communicate with each other.

[0007] However, the sealing ability of the weather strip deteriorates because a shape of the opening flange is changed when the front door is configured as a sliding door, and a shape of the weather strip is changed to correspond to the changed shape of the opening flange. Accordingly, a structure for mounting a weather strip on the sliding doors, which are mounted in a reverse manner, according to the related art is disclosed in Fig. 1 shown.

[0008] With reference to Fig. 1A, sealing strips for a vehicle in which sliding doors are mounted, in the related art, comprise an upper sealing strip 5 which is located in a gap between a roof panel and a vehicle body 1 is mounted to fill the gap between the roof panel and the vehicle body 1 of the vehicle, and a body sealing strip 7which is mounted along an opening flange portion to form a gap between the vehicle body 1 and seal a door.

[0009] However, with reference to Fig. 1B the body sealing strip 7 between the vehicle body 1 and a door 2 Accordingly, it is impossible to have a gap between the vehicle body 1 and the door 2 in an operating area A' where a middle rail 3 which are attached to the vehicle body 1 is mounted so that it is possible to open the door 2 to move, and a middle role 4 which is on the door 2 mounted to connect to the middle rail 3 to correspond.

[0010] With reference to Fig. 1C is the upper sealing strip 5 between the roof panel, the vehicle body 1and the door 2 mounted. An upper rail 6 is on an upper side of the vehicle body 1 mounted to allow operation of the sliding door. However, it is impossible to fill gaps between the vehicle body 1 , the door 2 and the roof panel in an operating area of ​​an upper roll, which is designated B'.

[0011] The invention provides a sealing structure for a vehicle door in which a middle roller may be mounted on a vehicle body, and a middle rail may be mounted on a door to seal a portion where the middle roller operates, an upper roller and an upper rail may be omitted, and a door weather strip may be mounted on a sealed portion to thereby securely seal a gap between the door and the vehicle body.

[0012] An exemplary embodiment of the invention provides a sealing structure for a vehicle door that seals a gap between a door and a vehicle body of the vehicle. The sealing structure may include: a sealed portion (or sealing portion), which is a gap (or a gap or distance) between the vehicle body and a door inner panel; a body weather strip formed on a first side of a sidemost (ora first (laterally outermost) portion of the sealed portion is mounted along an edge of an opening portion of the vehicle body and seals the gap between the vehicle body and the door, a top weather strip is mounted on a second side of the lateralmost portion of the sealed portion along a roof panel and seals gaps between the roof panel, the vehicle body and the door, and a door weather strip is mounted in the sealed portion between the body weather strip and the top weather strip at a distance from the body weather strip and the top weather strip, extends along the edge of the opening portion and seals the gap between the vehicle body and the door.

[0013] The sealing structure may further include a center rail mounted on a center inner side of the door in a front-to-back direction of the vehicle, and a center roller mounted on the vehicle body to correspond to the center rail and coupled to the center rail to allow the door to slide. A neck portion of the center roller may be bent toward the center rail to mount the body weather strip in the sealed portion. The center rail may be mounted on the door in a curved manner to allow the door to move toward the outside of the vehicle interior when the door is opened. The center roller may be received in an opening formed in the door inner panel.housed) when the center roller is coupled to the center rail and the door is closed. A door bulkhead bracket (or door support bracket or door head support) having a recessed (or depressed) shape may be mounted on the door interior panel to close the opening and accommodate the center roller.

[0014] According to the invention having the above-described configuration, the center roller may be mounted on the vehicle body, the center rail may be mounted on the door, and the center roller may have a gooseneck (or S-bend or elbow) shape to seal the gap between the vehicle body and the door itself in the operating range of the center roller. Furthermore, an upper roller and an upper rail may be omitted, and the vehicle body is configured to have a closed cross-section at a lower side of the roof panel to securely seal the gap between the roof panel, the vehicle body, and the door at the lower side of the roof panel. The door weather strip may be mounted between the body weather strip and the upper weather strip, and the gap between the vehicle body and the door may be triple-sealed to thereby improve the sealing ability.

[0015] The invention is explained in more detail with reference to the drawing. The drawing shows: Fig. 1A is a view illustrating a structure for mounting a weather strip for a vehicle on which sliding doors are mounted according to the related art; Fig. 1B is a view showing a section AA from Fig. 1A according to the related art; Fig. 1C a view showing a section BB from Fig. 1A according to the related art; Fig. 2A is a view illustrating a sealing structure for a vehicle door according to an exemplary embodiment of the invention; Fig. 2B is a view showing a section AA from Fig. 2A according to an exemplary embodiment of the invention; Fig. 2C a view showing a section BB from Fig. 2A according to an exemplary embodiment of the invention; Fig. 3 is a view illustrating a state in which a center rail and a lower roller are mounted on a door, and a center roller and a lower rail are mounted on a vehicle body, according to an exemplary embodiment of the invention; Fig. 4A is a view illustrating a state in which the center roller is mounted on the vehicle body according to an exemplary embodiment of the invention; and Fig. 4B is a view illustrating a state in which a door partition bracket and the center rail are mounted on the door according to an exemplary embodiment of the invention.

[0016] It is understood that the term “vehicle” or “vehicular” or other similar term, as used herein, includes general motor vehicles such as passenger cars, including sport utility vehicles (SUVs), buses, trucks, various commercial vehicles, watercraft, including a variety of boats and ships, aircraft, and the like, as well as hybrid vehicles, electric vehicles, plug-in hybrid electric vehicles, hydrogen-powered vehicles, and other alternative fuel vehicles (e.g., fuels derived from feedstocks other than petroleum).

[0017] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It is further to be understood that the terms "comprises" and / or "comprising," when used in this specification, describe the presence of the recited features, integers, steps, acts, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, acts, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed elements.

[0018] Unless specifically stated or evident from the context as used herein, the term "about" is to be understood as within a normal tolerance in the art, for example, within 2 standard deviations from the average. The term "about" can be understood as within 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1%, 0.5%, 0.1%, 0.05%, or 0.01% of the stated value. Unless otherwise evident from the context, all numerical values ​​provided herein are modified by the term "about."

[0019] The invention will now be described in detail with reference to the accompanying drawings. However, the invention is not restricted or limited by the exemplary embodiments. Like reference numerals shown in the respective drawings refer to elements that perform substantially the same functions.

[0020] Fig. 2A is a view showing a triple seal structure for counter-sliding doors 2 according to the invention. The triple seal structure for the counter-rotating sliding doors 2 according to the invention can be used in a vehicle in which a front door and a rear door are opened or closed while being slid in opposite directions. With reference to Fig. 2A can be the triple seal structure for the counter-sliding doors 2 according to the invention a body sealing strip 70 , an upper sealing strip 50 and a door sealing strip 60 and can be a vehicle body 1 and the door 2 triple seal.

[0021] In particular, the body sealing strip 70 , the upper sealing strip 50 and the door sealing strip 60in a sealed section (see Fig. 2B), which is a gap between the vehicle body 1 and an inner door panel 21 The body sealing strip 70 , the upper sealing strip 50 and the door sealing strip 60 can cover the section between the vehicle body 1 and the inner door panel 21 Seal to prevent wind, water, and the like from penetrating the interior of the vehicle. The body sealing strip 70 may be provided on a first side of a lateralmost portion of the sealed portion along an edge of an opening portion of the vehicle body 1 mounted and can fill the gap between the vehicle body 1 and the door 2 seal.

[0022] The upper sealing strip 50may be mounted on a second side of the lateralmost portion of the sealed section along a roof panel and may seal gaps between the roof panel, the vehicle body 1 and the door 2 seal. The door sealing strip 60 can be in the sealed section between the body sealing strip 70 and the upper sealing strip 50 at a distance from the body sealing strip 70 and the upper sealing strip 50 be mounted, extends along the edge of the opening section and can fill the gap between the vehicle body 1 and the door 2 seal.

[0023] Fig. 3 shows a state in which a middle rail 30 and a lower roller 41 mounted on the door, and a middle roller 40 and a lower rail 31 on the vehicle body 1are mounted, according to the invention. With reference to Fig. 3, the invention can further comprise the middle rail 30 , the middle role 40 , the lower rail 31 and the lower roller 41 have.

[0024] The middle rail 30 can be mounted on a middle inside of the door 2 be mounted in a front-to-rear direction of the vehicle. In particular, the middle rail 30 in contrast to the middle rail 3 according to the related technology on the inside of the door 2 mounted, and consequently the middle rail 30 not be exposed to the outside, even if the door 2 of the vehicle is closed. The middle rail 30 can be mounted in a curved manner on the door 2 be mounted to allow the door 2towards the outside of the vehicle interior when the door 2 is opened.

[0025] Accordingly, the middle role 40 on the vehicle body 1 be mounted and fixed in a position that is in line with the middle rail 30 corresponds to the middle role 40 with the middle rail 30 to couple, and the middle rail 30 allows the middle role 40 moves when the door 2 opened or closed. In other words, the middle roller 40 on the vehicle body 1 be fixed when the door 2 opened or closed, however, the middle roller 40 relative to the middle rail 30 be moved by moving the middle rail 30 moved.

[0026] The lower rail 31can be mounted in the front-rear direction of the vehicle on a lower side of the vehicle body 1 mounted, and the lower roller 41 can be at the door 2 be mounted in such a way that they are aligned with the lower rail 31 corresponds. When opening or closing the door 2 the lower roller can 41 along the lower rail 31 move so that it is possible to open the door 2 to postpone.

[0027] Fig. 2B is a view showing a section AA of Fig. 2A. With reference to Fig. 2B, in contrast to the sealing structure according to the related art, the triple sealing structure for the counter-rotating sliding doors 2 according to the invention the body sealing strip 70 , the upper sealing strip 50 and the door sealing strip 60 in order to triple seal the sealed section.

[0028] In particular, with reference to Fig. 4A a neck section 43 the middle role 40 towards the middle rail 30 bent and then attached to the vehicle body 1 be mounted to the body sealing strip 70 in the sealed section. As described above, the middle rail can 30 at the door 2 be mounted, the middle roller 40 can be attached to the vehicle body 1 be mounted, and the neck section 43 the middle role 40 may be bent, and as a result, the triple seal structure in the sealed portion itself in the vicinity of the mounting portion of the middle roller 40 be formed continuously. In addition, the middle role 40 on the vehicle body 1be mounted so as to form a space of the sealed section, and an opening may be provided in the door inner panel 21 be trained to play the middle role 40 with the middle rail 30 , the end of which is mounted in a curved manner.

[0029] With reference to Fig. 4B can, if the door 2 is closed, the middle roll 40 in the opening in the door inner panel 21 trained, if the middle role 40 with the middle rail 30 is coupled. A door partition holder 23 with a recessed shape can be attached to the door inner panel 21 be mounted to close the opening and the middle roller 40 to record. Fig. 2C is a view showing a section BB from Fig. 2A.

[0030] With reference to Fig.2C, according to the invention, an upper rail and an upper roller according to the related art can be omitted, and consequently, it may be possible to seal the operating spaces of the upper rail and the upper roller according to the related art. The upper rail and the upper roller can be omitted, and the door 2 can be adjusted using the lower rail 30 , the middle role 40 , the lower rail 31 and the lower roller 41 be shifted, and as a result the vehicle body 1 have a closed cross-section on a lower side of the roof panel. Since the top rail is not mounted, the sealed section where the door 2 and the vehicle body 1 sealed, are continuously formed on the lower side of the roof panel, and the triple seal structure according to the invention, which the body sealing strip 70, the upper sealing strip 50 and the door sealing strip 60 may be mounted in the sealed section. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] KR 1020190009449

[0001]

Claims

[1] Sealing structure for a vehicle door, which seals a gap between a door (2) and a vehicle body (1) of the vehicle, comprising: a sealed portion which is a gap between the vehicle body (1) and a door inner panel (21); a body weather strip (70) mounted on a first side of a lateralmost portion of the sealed portion between an edge of an opening portion of the vehicle body (1) and sealing the gap between the vehicle body (1) and the door (2); an upper sealing strip (50) mounted on a second side of the lateralmost portion of the sealed portion along a roof panel and sealing gaps between the roof panel, the vehicle body (1) and the door (2); and a door weather strip (60) mounted in the sealed portion between the body weather strip (70) and the upper weather strip (50) at a distance from the body weather strip (70) and the upper weather strip (50), extending along the edge of the opening portion, and sealing the gap between the vehicle body (1) and the door (2). [2] The sealing structure according to claim 1, further comprising: a center rail (30) mounted on a center inner side of the door (2) in a front-rear direction of the vehicle; and a central roller (40) mounted on the vehicle body (1) to correspond to the central rail (30) and coupled to the central rail (30) to enable the door (2) to slide. [3] The sealing structure according to claim 2, wherein a neck portion (43) of the center roller (40) is bent toward the center rail (30) to mount the body sealing strip (70) in the sealed portion. [4] A sealing structure according to claim 2 or 3, wherein the center rail (30) is mounted in a curved manner on the door (2) so as to enable the door (2) to move toward the outside of the interior of the vehicle when the door (2) is opened. [5] The sealing structure according to any one of claims 2 to 4, wherein the center roller (40) is received in an opening formed in the door inner panel (21) in a state in which the center roller (40) is coupled to the center rail (30) when the door (2) is closed. [6] The sealing structure according to claim 5, wherein a door partition holder (23) having a recessed shape is mounted on the door inner panel (21) to close the opening and accommodate the center roller (40). [7] A vehicle comprising a sealing structure for a vehicle door according to any one of claims 1 to 6.

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