WO2020209570A1

WO2020209570A1 - Roof rack

Info

Publication number: WO2020209570A1
Application number: PCT/KR2020/004662
Authority: WO
Inventors: 조언연; 정용우; 이승열
Original assignee: 주식회사 엘지하우시스
Priority date: 2019-04-08
Filing date: 2020-04-07
Publication date: 2020-10-15
Also published as: KR20200118596A; KR102462014B1

Abstract

The present invention is to provide a roof rack comprising: a rail having a first side wall and a second side wall spaced a predetermined distance apart from each other and a base part connecting the first and the second side wall to each other, the first side wall, the second side wall, and the base part being formed to extend in the longitudinal direction; and a cover mounted to the rail and at least partially inserted into the first side wall and the second side wall, wherein the first side wall and the second side wall have an asymmetrical structure with respect to the widthwise centerline of the base part, and the ratio of the cross-sectional area of the first side wall to the cross-sectional area of the second side wall ranges from 1:0.6 to 1:1.

Description

Roof rack

The present invention relates to a roof rack for a vehicle.

In general, the transport of cargo using a vehicle uses the trunk of the vehicle, but in the case of large-volume cargo or long-length cargo that is difficult to use the trunk space, the cargo is transferred using a roof rack.

In addition, the roof rack is fixed to the roof panel, which is the upper surface of the vehicle's roof, and a clamp can be mounted on the roof rack to load relatively bulky cargo such as camping equipment and leisure equipment such as skis. . Nowadays, with the popularization of the sport utility vehicle (SUV) and the boom of leisure travel such as camping, roof racks are widely used.

On the other hand, the roof rack formed in a structure in which the roof rail and the cover are combined is manufactured by injection molding using plastic, but there is a problem that the product's marketability is markedly deteriorated due to warpage or shape deformation caused by shrinkage during the cooling process. have.

In addition, the roof rack formed in a structure in which the roof rail and the cover are coupled is a gap formed between the roof rail and the cover during rain, and there is a problem that rainwater permeates.

In addition, the roof rack, which is manufactured integrally by extrusion molding at high temperature, has a problem in that warpage or shape deformation occurs due to shrinkage during the cooling process, and sink marks are formed. In order to finish, there is a problem that a lot of labor is required because a plurality of caps must be installed.

The present invention was conceived to solve the above-described problem, in a rail having a first side wall and a second side wall, the cross-sectional area of the first side wall and the second side wall was designed to be 1: 0.6 to 1:1, and the plastic roof rack was injected. The purpose of this is to prevent bending in the width (width) direction during molding and to position the base in the center, thereby preventing the bending in the vertical (height) direction, blocking appearance quality defects in advance, and providing a roof rack with a secure appearance quality. .

In addition, an object thereof is to provide a roof rack capable of discharging the fluid flowing into the roof rack to the outside more quickly.

In order to achieve the above object, according to an aspect of the present invention, a rail having a first sidewall and a second sidewall provided at a predetermined interval, and the base portions connecting the first and second sidewalls respectively extending along the length direction; And a cover mounted on the rail and having at least a portion of the cover inserted into the first sidewall and the second sidewall, wherein the first sidewall and the second sidewall have an asymmetric structure with respect to a center line in the width direction of the base portion, and the first The cross-sectional area of the side wall to the second side wall is provided to have a ratio of 1: 0.6 to 1: 1, providing a roof rack.

In addition, at least a partial region of the first sidewall based on the virtual first extension line extending along the base portion has a first curved region provided to decrease in thickness from the first extension line toward the bottom,

At least a portion of the second sidewall may have a second curved region provided to decrease in thickness from the first extension line downward, and the first curved region may be provided to have a greater curvature than the second curved region.

In addition, the base portion may be provided to connect the central portions of each of the first sidewalls and the second sidewalls based on both ends along the height direction.

In addition, the base portion has a first surface facing the cover and a second surface opposite to the first surface, protrudes from the first surface toward the cover, and includes a first protrusion having a slot, and the cover is attached to the rail. In a fixed state, it may include an elastic member inserted into the slot and a fixing member provided so that the elastic member is fixed to the cover.

In addition, the fixing member is formed protruding from the inner circumferential surface of the cover toward the base portion at a first thickness, a pair of first ribs provided at predetermined intervals, and a pair of first ribs extending toward the base portion at a second thickness thicker than the first thickness. It includes 2 ribs, and may include a third rib connecting the pair of second ribs along the width direction.

In addition, the third rib includes a boss member provided so that the elastic member is fitted therein, and the boss member is formed to protrude from the center portion in the width direction of the third rib toward the base portion so that at least a portion of the rib may be inserted into the slot. .

In addition, the rail has mounting portions fixed to the roof panel at both end portions of the base portion along the longitudinal direction, and the cover includes a first mounting protrusion fixed in the mounting portion in a state inserted between the first side wall and the second side wall. Have.

In addition, when the cover is inserted and mounted into the rail along the circumferential direction, at least a portion of the cover is in contact with the first side wall and the second side wall, respectively, along the longitudinal direction.

According to the present invention, by providing a single power ratio of the first side wall and the second side wall to have a ratio of 1:0.6 to 1:1, when the rail is injection-molded, it is prevented from bending toward one side wall, that is, in the width (width) direction. You can do it.

In addition, by positioning the base portion in the center, it is possible to prevent bending in the vertical (height) direction.

In addition, since it is not necessary to finish the rail by using a plurality of caps by the cover, the manufacturing process can be simplified.

In addition, there is an effect that the fluid flowing into the roof rack can be discharged to the outside more quickly.

1 is a combined view and a side view showing a roof rack according to an embodiment of the present invention.

2 is an exploded perspective view of FIG. 1.

3 is a cross-sectional view of a rail according to an embodiment of the present invention.

4 is a view illustrating a state in which a cover and a rail are coupled according to an embodiment of the present invention.

5 is a plan view and a partially enlarged view (a rear side) of a rail according to an embodiment of the present invention.

6 is a cross-sectional view of A-A' in FIG. 1

7 is a cross-sectional view taken along line B-B' of the first groove portion of FIG. 1.

8 is a view showing an elastic member according to an embodiment of the present invention.

9 is a view showing a state in which the elastic member is fastened.

10 is a cross-sectional view taken along line B-B' of the mounting protrusion of FIG. 1.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as being limited to their usual or dictionary meanings, and the inventors appropriately explain the concept of terms in order to explain their own invention in the best way. Based on the principle that it can be defined, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention.

In addition, regardless of the reference numerals, the same or corresponding components are given the same or similar reference numbers, and duplicate descriptions thereof will be omitted, and the size and shape of each component member shown for convenience of explanation are exaggerated or reduced. Can be.

Accordingly, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiment of the present invention, and do not represent all the technical spirit of the present invention, and thus various alternatives that can be substituted for them at the time of application It should be understood that there may be equivalents and variations.

The present invention relates to a roof rack 10 for a vehicle.

Hereinafter, a roof rack 10 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a combined view and a side view showing a roof rack 10 according to an embodiment of the present invention, Figure 2 is an exploded perspective view of Figure 1, Figure 3 is a cross-sectional view of a rail according to an embodiment of the present invention, Figure 4 is a view It is a view showing to explain a state in which the cover and the rail are coupled according to an embodiment of the present invention.

First, referring to Figs. 1 to 4, the roof rack 10 according to an embodiment of the present invention is fixed to a roof panel of a vehicle (a roof top surface of a vehicle), and a rail 100 extending along the length direction and It is mounted on the rail 100 and includes a cover 200 in which at least a portion of the area is inserted into the rail 100.

In particular, the roof rack 10 of the present invention may further include a pad 300 for preventing the rail 100 from contacting the roof panel of the vehicle.

That is, the pad 300 may be disposed on the roof panel, the rail 100 may be mounted on the pad, and the cover 100 may be inserted and disposed in a partial area of the rail.

Here, on the roof panel of the vehicle, a plurality of mounting bolts (not shown) provided to fix the rail may be disposed at predetermined intervals.

The rail 100 has a first side wall 121 and a second side wall 122 provided at a predetermined distance, and a base portion 110 connecting the first and

second side walls

121 and 122 is respectively along a length direction. Can be formed to extend.

More specifically, the base unit 110 has a first surface 101 facing the cover 200 and a second surface 102 opposite to the first surface.

The first sidewall 121 and the second sidewall 122 may be formed to extend from both edges of at least a partial region of the base unit 110 toward the cover 200.

For example, the first and

second sidewalls

121 and 122 may be formed in a central partial region of both side edges of the base unit 110 along the length direction of the rail 100.

In this case, the cover 200 is mounted on the rail 100, and at least a partial region may be inserted into the first sidewall 121 and the second sidewall 122.

That is, when the cover 200 is inserted and mounted in the rail along the circumferential direction, at least a portion of the cover 200 may contact the first sidewall and the second sidewall, respectively, along the length direction.

Specifically, the cover 200 may be inserted into the remaining edge regions except for the first and

second sidewalls

121 and 122, and may be provided with a plurality of wing portions 201 respectively extending toward the rail 100.

That is, when viewed from the side, the cover 200 has a position (approximately a central region) corresponding to the first and

second side walls

121 and 122 is depressed inward by a predetermined height, and wing portions 201 at both ends thereof Each may have a shape protruding toward the rail 100.

At least a portion of the cover 200 may contact the first sidewall 121 and the second sidewall 122, respectively, along a length direction.

In this case, a gap may be formed between the first side wall 121 and the second side wall 122 and the cover 200.

In addition, the base portion 110 may be provided to connect between the central portions of each of the first sidewalls 121 and the second sidewalls 122 based on both ends along the height direction h. .

That is, the base portion 110 is to connect between the central portions of both ends along the height direction h of the first side wall 121 and the central portions of both ends along the height direction h of the second side wall 122 Can be provided.

In addition, at least a partial region of the first sidewall 121 based on the virtual first extension line L1 extending along the base portion 110 may decrease in thickness from the first extension line L1 toward the bottom. When having the first bent region 1211 provided and at least a portion of the second sidewall 122 has the second bent region 1221 provided to decrease in thickness from the first extension line L1 toward the bottom, The first curved region 1211 may be provided to have a greater curvature than the second curved region 1221.

In the roof rack 10 of the present invention, a clamp (not shown) may be additionally mounted and used. As described above, by providing a first curved region 1211 to have a greater curvature on the first side wall 121 , When the clamp is mounted, it can bear a greater load, and when the clamp is mounted, it becomes more easily engageable by the first flexure area.

Accordingly, the first sidewall 121 and the second sidewall 122 have an asymmetric structure with respect to the center line C1 in the width direction of the base portion 110.

In this case, the cross-sectional area of the first side wall 121 to the second side wall 122 may be provided to have a ratio of 1: 0.6 to 1: 1.

As described above, the rail 100 of the present invention has an approximately'H' shape, and the first sidewall 121 and the second sidewall 122 have an asymmetric structure based on the center line C1.

That is, referring to the portions respectively indicated in green in FIG. 3, the ratio of the cross-sectional area A1 of the first side wall 121 and the cross-sectional area A2 of the second side wall 122 is the cross-sectional area of the first side wall 121 ( When A1) is 1, the cross-sectional area A2 of the second sidewall 122 may have a ratio of 0.6 to 1.

More preferably, the ratio of the cross-sectional area (A1) of the first sidewall 121 to the cross-sectional area (A2) of the second sidewall 122 is 1: 0.6 to 1:1, or 1: 0.7 to 1:1, or 1: 0.8 to 1: 1, or 1: 0.9 to 1:1, or 1: 0.95 to 1:1, or may be 1:1.

That is, the difference in the ratio of the cross-sectional area of the first sidewall to the second sidewall may be 0.4 or less (40% or less).

As described above, when the ratio of the cross-sectional area of the second side wall 122 relative to the first side wall 121 is out of the above-described value, the shrinkage rate according to the cooling time during injection molding is different, so that the side wall side having a thicker thickness is There is a problem that the rail is bent along the width (width) direction.

The rail 100 of the present invention is formed in the above-described structure so that the cross-sectional area of the first side wall and the second side wall is approximately the same (there is no difference in cross-sectional area), and has the same cross-sectional area ratio. , It is possible to prevent the occurrence of warpage due to shrinkage.

Meanwhile, referring to FIG. 4, the rail 100 has mounting portions 120 fixed to the roof panel at both end portions of the base portion 110 along the length direction, and the cover 200 In a state inserted between the first side wall 121 and the second side wall 122, it has a first mounting protrusion 210 fixed in the mounting portion 120.

Specifically, each mounting portion 120 provided at both ends of the base portion 110 may be provided with a mounting portion through-hole 125 into which a mounting bolt provided in the roof panel is inserted and mounted.

The mounting portion through-hole 125 may be provided to penetrate the mounting portion 120, and after the mounting bolt is inserted into the mounting portion through-hole 125 and fixed, the mounting portion through-holes are formed so that the mounting bolt is not visible from the outside. It may include a cap 127 provided to be sealed.

That is, the mounting part 120 may be closed by the cap 127.

Here, the mounting portion 120 is not covered by the cover 200, and the cover 200 may serve as a cap by covering the base portion 110 provided at an approximately central portion of the rail 100.

Therefore, by the cover 200, since it is not necessary to finish the rail using a plurality of caps 127, the manufacturing process can be simplified.

In addition, the first mounting protrusion 210 may be provided at either end of both end portions of the cover 200.

The first mounting protrusion 210 may be provided to protrude outward from the end portion of the cover 200, and may be inserted into the mounting portion 120 to be fixed to the rail 100.

On the other hand, FIG. 5 is a plan view and a partially enlarged view (rear side) of a rail according to an embodiment of the present invention, FIG. 6 is a cross-sectional view of A-A' of FIG. 1, and FIG. 7 is a B of the first groove portion of FIG. It is a cross-sectional view of -B'.

5 to 7, the base part 110 includes a first groove part 130 protruding from the second surface 102 toward the roof panel and opened toward the first surface.

In addition, the first groove portion 130 further protrudes toward the roof panel, and has a mounting portion 150 having a first through hole 151 into which a mounting bolt is inserted, and the first groove portion 130 passes through the first It has one or more drainage holes 137 located away from the hole 151.

The mounting part 150 may extend from the first groove part 130 by the length of a mounting bolt.

In addition, the first groove portion 130 has a bottom portion 131 connected to the mounting portion 150 and a side portion 133 connecting the bottom portion 131 and the base portion 110, and a drain hole 137 ) May be located on the bottom part 131.

Here, the base portion 110 and the bottom portion 131 are positioned at different heights, and when mounted on a roof panel, the bottom portion 131 may be positioned further below the base portion 110.

In addition, at least one of a boundary region between the bottom portion 131 and the side portion 133 and a boundary region between the side portion 133 and the base portion 110 may include a first curved portion 135.

The first curved portion 135 may be provided so that a predetermined area is inclined from the base portion 110 toward the bottom portion 131, for example.

In addition, in the rail 100 and the cover 200, the drain hole 137 is opened after the fluid introduced into the inside through the boundary area between the cover 200 and the rail 100 flows into the first groove 130. It may have a drain passage to be discharged to the outside through.

Specifically, the fluid that has flowed into the interior through the boundary area between the cover 200 and the rail 100 flows into the bottom portion 131 of the first groove portion 130 along the inclined first curved portion 135 A drain passage that is a path discharged to the outside through the drain hole 137 may be provided.

Here, the boundary region between the cover 200 and the rail 100 may mean a gap between the first side wall 121 and the second side wall 122 and the cover 100.

In addition, in the base portion 110, a plurality of first groove portions 130 are respectively located apart from each other at a predetermined interval along the length direction, and the base portion 110 is, between the adjacent first groove portions 130, It protrudes from the first surface 101 toward the cover, and has a first protrusion 160 having a slot 161.

The first protrusion 160 has a second curved portion 163 provided so that at least a partial area is inclined.

The fluid flowing into the inside through the boundary area between the cover 200 and the rail 100 may flow toward the first groove 130 by the second curved portion 163.

The slot 161 may be a through hole formed along the length direction of the first protrusion 160.

The slot 161 may be provided to fix the cover 200 and the rail 100 by inserting and mounting the elastic member 230 provided in the cover 200 to be described later.

That is, the cover 200 includes an elastic member 230 inserted into the slot 161 and a fixing member 240 provided so that the elastic member 230 is fixed to the cover 200 while being fixed to the rail. can do.

8 is a view showing an elastic member according to an embodiment of the present invention, Figure 9 is a view showing a state in which the elastic member is fastened.

Specifically, referring to FIGS. 8 and 9, the cover 200 includes an elastic member 230 inserted into the slot 161 while being fixed to the rail 100.

The elastic member 230 includes a body portion 231 having an approximately “T” shape and an elastic locking portion 233 which is bent and protruded outward from both side surfaces of the body portion 231.

At least a partial region of the elastic member 230 is inserted into the slot 161 and protruded toward the first and

second sidewalls

121 and 122 so as to be engaged with the second curved portion 163 and bent. 233 may be provided.

That is, the elastic locking portion 233 may have a predetermined elasticity, and after being inserted through the slot 161, may be locked and fixed to the second curved portion 163.

When the elastic locking part 233 is inserted and fixed in the slot, it is elastically restored and fixed in a compressed state, thereby having the effect of more firmly fixing the rail and the cover.

Here, the elastic member 230 may be, for example, a clip.

More specifically, the cover 200 may be provided with a fixing member 240 so that the elastic member 230 is fixed to the cover 200 and inserted into the slot 161.

The fixing member 240 is formed to protrude from the inner circumferential surface of the cover toward the base at a first thickness t1, and is provided with a pair of first ribs 241 spaced apart from a predetermined distance, and a second thickness t2 thicker than the first thickness. ) And a pair of second ribs 242 extending from the first rib toward the base portion.

Here, the first rib 241 may have a width of a first thickness, and the second rib 242 may be provided to have a second thickness thicker than the first thickness, and may be thicker than the first rib 241. have.

When the cover 200 is injection-molded, the first rib 241 is made thinner than the second rib, so that shrinkage occurs during injection to prevent bending of the cover, and the second rib The 242 is provided thick so that the boss member to be described later and the elastic member mounted on the boss member can be more stably supported.

In addition, the fixing member 240 includes a third rib 243 connecting the pair of second ribs 242 along the width direction.

The third rib 243 includes a boss member 250 provided so that the elastic member 230 is fitted therein, and the boss member 250 protrudes from the central portion in the width direction of the third rib 243 toward the base portion. So that at least a portion of the region can be inserted into the slot.

In addition, the fixing member 240 may be provided with a reinforcing member connecting the first to third ribs so that a partial area on the one end side is closed based on the length direction of the cover.

That is, the fixing member 240 may have a substantially hexahedral shape in which one side is closed and a predetermined hollow is formed therein, and the other side is opened by the reinforcing member.

The structure as described above may be provided through, for example, a'weight loss' process during injection molding, and it is possible to prevent the occurrence of bending of the cover due to shrinkage during injection.

In addition, when the cover 200 is mounted on the rail while the elastic member 230 is fastened on the boss member 250, the second curved surface is inserted through the slot 161 provided on the rail. It is fixed to the part 163, the rail 100 and the cover 200 can be fixed.

That is, at least a partial region of the boss member 250 (the lower portion of the boss member) and at least a partial region of the elastic member 230 (the lower portion of the elastic member) pass through the slot 161 and fasten with the first protrusion 160 Can be.

Here, the boss member 250 may have a substantially "T" shape in a shape corresponding to the body portion 231 of the elastic member 230.

Referring to FIG. 10, the roof rack 10 of the present invention is mounted on the second surface 102 side of the base unit 110, and has a plurality of second mounting protrusions 310 disposed along the length direction. It further includes a pad 300.

The base portion 110 protrudes from the second surface 102 toward the pad 300 and has a second groove 170 having a second through hole 171 through which the second mounting protrusion 310 is inserted. .

The second mounting protrusion 310 has a shape in which a pair of fastening hooks 311 are disposed at a predetermined interval, and is inserted into the second through hole 171, so that each fastening hook 311 is a second through hole. 171) may be caught and fixed to a portion of the area.

In addition, referring to FIG. 7, the pad 300 has a third through hole 320 for passing through the mounting portion 150 of the base portion 110.

The diameter d1 of the third through hole 320 may be larger than the diameter d2 of the mounting part 150.

As described above, by forming a larger diameter d1 of the third through hole 320, a predetermined gap is provided between the outer circumferential surface of the mounting portion 150 and the third through hole 320, and the drain hole 137 The fluid discharged through) may pass through the third through hole 320 through the gap and be discharged to the outside.

A plurality of the third through holes 320 may be provided at positions corresponding to the mounting part 150, and are provided at positions corresponding to the mounting part through holes 125 at both ends along the length direction of the pad. The mounting bolt provided in may be provided to pass through the third through hole and be inserted into the mounting portion through hole 125.

The pad 300 may have a second protrusion 330 protruding toward the second surface 102 of the base unit 110, and the second mounting protrusion 310 may be provided on the second protrusion 330. .

The second protrusion 330 has a third curved portion 331 provided so that at least a partial region is inclined.

The second mounting protrusion 310 is provided in an approximately central area of the second protrusion 330 and passes through the second through hole 171 to be mounted in the second groove 170, the second mounting protrusion 310 A predetermined gap is formed between the and the second through hole 171, so that the fluid introduced into the inside may pass through the second through hole 171 and be discharged to the outside.

In this case, the fluid may flow along the slope of the third curved portion 331 provided on the second protrusion 330 as described above, pass through the third through hole 320 and be discharged to the outside.

Here, the second protrusion 330 and the second groove 170 may be disposed to contact each other.

As described above, the roof rack of the present invention can discharge fluid (rainwater, etc.) introduced into the gap formed between the cover 200 and the first and

second sidewalls

121 and 122 more quickly to the outside during rain.

More specifically, the fluid flowing into the gap formed between the cover 200 and the first and

second side walls

121 and 122 is directed to the bottom portion 131 along the first curved portion 135 of the first groove portion 130. After the inflow, it may flow toward the pad through the drain hole 137 and may be discharged to the outside of the roof rack through a first gap d3 defined as a region between the mounting portion and the third through hole.

Here, the fluid may be guided toward the first groove portion by an inclined surface of the second curved portion 163 of the first protruding portion 160.

In addition, the fluid introduced into the gap formed between the cover 200 and the first and

second side walls

121 and 122 and flowed toward the second groove 170 is a region between the second mounting protrusion 310 and the second through hole. When flowing toward the second protrusion 330 through the second gap d4 defined as, the flow may be guided toward the third through hole by the inclined surface of the third curved portion 331 of the second protrusion 330. I can.

As described above, it is possible to provide a roof rack capable of discharging the fluid introduced into the roof rack 10 of the present invention to the outside more quickly.

In addition, the above-described rail 100 and cover 200 may be made of engineering plastics (eg, PP, PA6, PA66, ABS, PP+EPDM, PC+ABS) material. In addition, the rail 100 and the cover 200 may be made of fiber-reinforced plastic in consideration of weight reduction and durability.

In addition, the fiber-reinforced plastic includes reinforcing fibers added to the base resin, and polyester resin, polyamide resin, nylon resin, etc. may be used as the base resin, and carbon fibers and/or glass fibers may be used as the reinforcing fibers.

Fiber reinforced plastics include glass fiber reinforced plastic, carbon fiber reinforced plastic, continuous fiber reinforced plastic, continuous glass fiber reinforced plastic, continuous carbon fiber reinforced plastic, short fiber reinforced plastic, glass short fiber reinforced plastic, carbon short fiber reinforced plastic. , Long fiber reinforced plastic, glass long fiber reinforced plastic, glass short fiber reinforced plastic, etc., but is not limited thereto.

Claims

A rail having a first sidewall and a second sidewall provided spaced apart from each other, and having a base portion connecting the first and second sidewalls respectively extending along a length direction; And

It is mounted on the rail, and at least a portion includes a cover inserted into the first side wall and the second side wall,

The first sidewall and the second sidewall have an asymmetric structure based on a center line in the width direction of the base portion,

A cross-sectional area of the first side wall to the second side wall is provided to have a ratio of 1: 0.6 to 1: 1. A roof rack.
The method of claim 1,

At least a partial region of the first sidewall based on the virtual first extension line extending along the base portion has a first curved region provided to decrease in thickness from the first extension line toward the bottom,

When at least a partial region of the second sidewall has a second curved region provided to decrease in thickness toward a lower portion from the first extension line,

The first curved region is provided to have a greater curvature than the second curved region.
The method of claim 1,

The base portion is provided to connect between the central portions of each of the first sidewalls and the second sidewalls based on both ends along the height direction of each of the first sidewalls and the second sidewalls.
The method of claim 1,

The base portion has a first surface facing the cover and a second surface opposite to the first surface, protrudes from the first surface toward the cover, and includes a first protrusion having a slot,

The cover includes an elastic member inserted into the slot and a fixing member provided so that the elastic member is fixed to the cover while being fixed to the rail.
The method of claim 4,

The fixing member is formed to protrude from the inner circumferential surface of the cover toward the base at a first thickness, a pair of first ribs provided at predetermined intervals and a pair of ribs extending from the first rib to the base portion at a second thickness thicker than the first thickness Including a second rib of,

A roof rack comprising a third rib connecting the pair of second ribs along the width direction.
The method of claim 5,

The third rib includes a boss member provided to fit the elastic member,

The boss member is formed to protrude from the center portion in the width direction of the third rib toward the base portion so that at least a portion thereof is inserted into the slot.
The method of claim 1,

The rail has mounting portions fixed to the roof panel at both ends of the base portion along the length direction,

The cover is a roof rack having a first mounting protrusion fixed in the mounting portion in a state inserted between the first side wall and the second side wall.
The method of claim 1,

When the cover is inserted into the rail along the circumferential direction, at least a portion of the area along the longitudinal direction is in contact with the first side wall and the second side wall, respectively.