KR19990027189U - Car door weather strip - Google Patents

Abstract

The present invention relates to an automobile door weather strip that can prevent the wind noise from entering the passenger compartment by preventing the lower end of the weather strip from being slid to one side of the clip due to the impact of the door contacting the body panel. The door inner panel 52 and the door outer panel 54 of the ash, the door 50 having a fastening hole 56 formed at equal intervals on the upper end of the door inner panel 52, and a product having elastic force on both sides The clip 62 in which the first fixing piece 58 and the second fixing piece 60 are bent upwards, and a hook 64 is inserted into and fixed to the fastening hole 56 formed in the door inner panel 52 at the lower end thereof. ), And a head portion 66 whose lower end is fixed between the first fixing piece 58 and the second fixing piece 60 of the clip 62, is formed in the horizontal direction on the head portion 66. Coupling grooves 70 are arranged at equal intervals, having a pressing piece 72 and a buffer space 76 extending in the vertical direction at the top A shock absorbing portion 78 protrudes from the weather strip 68, and one side is fixed to the coupling groove 70 formed in the head portion 66 of the weather strip 68, the other side of the clip 58 The first pressing piece 80 and the second pressing piece 82, which are tightly fixed to the upper and lower ends of the fixing piece 60, extend outwardly, and are elastically supported on one side of both of the pressing pieces 80 and 82. The elastic piece 86 is characterized in that it comprises a pressing clip 84 extended to the outside.

Description

WEATHER STRIP OF DOOR FOR A CAR

The present invention relates to a door weather strip for automobiles, and more particularly, to prevent wind noise from entering the passenger compartment by preventing the lower end of the weather strip from being directed to one side of the clip due to the impact of the door contacting the body panel. The present invention relates to a door weather strip for an automobile which can simultaneously and faithfully perform a desired weather strip function.

Vehicles are equipped with doors used by passengers to get on and off and load cargo, and usually include a front door mainly used by front passengers and a rear door mainly used by passengers in rear seats. In some cases, the back door is provided at the rear or the side door is installed at the side. Most doors are equipped with a door glass, and if necessary, the glass is moved to the lower part of the door to open the door, so that fresh wind can be introduced into the cabin.

The door is composed of a door inner panel and a door outer panel of a steel plate, and a reinforcement panel and an impact beam are provided between the door inner panel and the door outer panel. The door is rotatably mounted to the vehicle body by a hinge, but the door is restricted by a door checker so as to prevent the door from opening beyond a certain limit. A door regulator is installed to operate the glass mounted on the door up and down for ventilation of the passenger room, allowing fresh air to be introduced. To open the door by operating the door locker when getting in and out of the car, the outside handle is installed on the outside panel of the door, and the inside handle is installed on the inside panel of the door. It is. The door inner panel is provided with a weather strip that prevents foreign matter or rainwater from penetrating into the passenger compartment. The weather strip reduces airtightness and reduces noise generated during opening and closing. In particular, the weather strip provided between the door and the vehicle body panel is required to have excellent performance.

1 is a perspective view showing a configuration of a weather strip according to the prior art, Figure 2 is an enlarged cross-sectional view of the main portion showing a state in which the weather strip according to the prior art is in close contact with the vehicle body panel. 1 and 2, the door 10 is composed of a door inner panel 12 and a door outer panel 14 made of a steel plate, and between the door inner panel 12 and the door outer panel 14. The reinforcement panel (not shown) and the impact beam (not shown) are installed to prevent the door 10 from being deformed due to external impact. Fastening holes 16 are formed at equal intervals on the upper end of the door inner panel 12. A clip 20 having elastic fixing members 18 bent upwards is provided at both sides, and a lower end of the clip 20 is hooked into a fastening hole 16 formed in the door inner panel 12. 22 is protruded. A weather strip 24 having a lower end fixed between the fixing piece 18 and the fixing piece 18 of the clip 20 is provided, and the pressing piece 26 is vertical to one side of the upper end of the weather strip 24. Extend in the direction. On the other side of the upper end of the clip 20, a buffer portion 30 having a buffer space 28 is protruded.

The state in which the weather strip configured as described above is in close contact with the door by the clip will be briefly described. In the state in which the lower end of the weather strip 24 is fixed in close contact with the fixing piece 18 and the fixing piece 18 of the clip 20, the hook 22 protruding at the lower end of the clip 20 is fixed to the inner door panel 12. At the top of the fastening hole 16 formed in the). When the hook 22 protruding from the bottom of the clip 20 is located at the top of the fastening hole 16 formed in the door inner panel 12, the top of the clip 20 is pressed to clip the clip 20 to the door inner panel. Fix to (12). The weather strip 24 is fixed to the door 10 as the hook 22 protruding from the bottom of the clip 20 is inserted into and fixed to the fastening hole 16 formed in the door inner panel 12. The weather strip 24 absorbs and mitigates the shock generated when the door 10 is in contact with the vehicle body panel 32 and at the same time prevents foreign substances or rainwater from entering the passenger compartment.

By using the weather strip configured as described above, it was possible to absorb and mitigate the shock generated when the door is in contact with the body panel and to prevent foreign substances or rainwater from entering the passenger room. The problem of the weather strip being deteriorated is that the wind noise (the wind noise is disturbed around the car when the car is traveling at high speed) is introduced into the passenger room. there was. That is, after a certain period of time, the phenomena occur, the lower end of the weather strip is inclined toward one side of the fixing piece, and thus the pressure piece and the buffer part were released from their positions, thereby failing to fully function.

The present invention has been devised in view of the above problems, and its purpose is to prevent wind noise from entering the passenger compartment by preventing the lower end of the weather strip from being directed to one side of the clip due to the impact of the door contacting the body panel. The present invention provides an automotive door weather strip that can prevent and at the same time faithfully perform the desired weather strip function.

1 is a perspective view showing the configuration of a weather strip according to the prior art

Figure 2 is an enlarged cross-sectional view of the main portion showing a state in which the weather strip according to the prior art is in close contact with the body panel deformation

Figure 3 is an exploded perspective view showing a state that the weather strip is fixed to the clip according to the present invention

Figure 4 is an enlarged cross-sectional view of the main portion showing a state in which the weather strip according to the present invention is in close contact with the body panel deformation

<Description of the code | symbol about the principal part of drawing>

50: door 52: door inner panel

54 door outer panel 56 fastening hole

58: fixing piece 60: clip

62: Hook 64: Weatherstrip

66: first pressing piece 68: second pressing piece

70: insert tip 72: buffer space

74: shock absorber 76: body panel

The object of the present invention is composed of a door inner panel and a door outer panel of a steel plate, the door having a fastening hole formed at equal intervals on the upper end of the door inner panel, the first fixing piece and the second fixing piece having elastic force on both sides The clip is bent to the top, the hook is formed in the lower end of the hook is inserted into the fastening hole formed in the inner panel of the door, and the lower end is formed between the first fixing piece and the second fixing piece of the clip is formed, Coupling grooves are arranged at equal intervals in the head portion in the horizontal direction, and a weather strip having a cushioning portion having a pressing piece and a buffer space extending in the vertical direction at the top thereof is protruded, and one side is inserted into a coupling groove formed in the head portion of the weather strip. The first pressing piece and the second pressing piece which are fixed and tightly fixed to the upper end and the lower end of the second fixing piece of the clip on the other side extend outward and are elastically supported to one side on both sides of the pressing piece. Shift can be achieved by a weather strip for a vehicle door, characterized in that the made up, including the pressurized clip extending outward. In addition, the present invention includes an insert tip for elastically supporting the pressing piece to one side inside the pressing piece.

Hereinafter, a preferred embodiment of the door weather strip for automobiles according to the present invention will be described in more detail with reference to the accompanying drawings.

3 is an exploded perspective view illustrating a state in which a weather strip according to the present invention is fixed to a clip, and FIG. 4 is an enlarged cross-sectional view of a main part showing a state in which the weather strip according to the present invention is in close contact with a vehicle body panel. 3 and 4, the door 50 is composed of a door inner panel 52 and a door outer panel 54 made of steel plate, and between the door inner panel 52 and the door outer panel 54. A reinforcement panel (not shown) and an impact beam (not shown) are installed to prevent the door 50 from being deformed due to external impact. Fastening holes 56 are formed at equal intervals on the upper end of the door inner panel 52. The first fixing piece 58 and the second fixing piece 60 having elastic force on both sides are provided with a clip 62 bent upwards, and the lower end of the clip 62 is fastened to the door inner panel 52. The hook 64 inserted into the ball 56 is protruded. A weather strip 68 having a head portion 66 whose lower end is fixed between the first fixing piece 58 and the second fixing piece 60 of the clip 62 is provided, and the head portion 66 is provided. Coupling grooves 70 are arranged at equal intervals in the horizontal direction. The pressing piece 72 extends in the vertical direction at the upper end of the weather strip 68, and there is an insert tip 74 that elastically supports the pressing piece 72 to one side inside the pressing piece 72. On one side of the pressing piece 72 of the clip 62, a buffer 78 having a buffer space 76 is projected. One side of the first pressing piece is fixed to the coupling groove 70 formed in the head portion 66 of the weather strip 68, the other side tightly fixed to the upper and lower ends of the second fixing piece 60 of the clip 62 80 and the second pressing piece 82 is provided with a pressing clip 84 extending outward. On both sides of the pressing pieces 80, 82 of the pressing clip 84, an elastic piece 86 elastically supported to one side extends outward.

The weather strip configured as described above will be described in close contact with the clip by the pressing clip and the effects thereof.

Pressing the weather strip 68 in a state where the head portion 66 of the weather strip 68 is positioned between the first fixing piece 58 and the second fixing piece 60 of the clip 62, the head portion 68 is pressed. 66 is fixed to the first fixing piece 58 and the second fixing piece 60 of the clip 62. At this time, the fixing piece 58, 60 of the clip 62 is in a state of being closely fixed to both sides of the head portion 66 of the weather strip 68. When the weather strip 68 is fixed to the fixing pieces 58 and 60 of the clip 62, one side of the pressing clip 84 is formed in the head portion 66 of the weather strip 68. In the state pre-fastened to the) the pressing clip 84 is moved to one side. As the pressing clip 84 is moved to one side, the head part 66 of the weather strip 68 is fixed to the clip 62 in a compressed state. That is, when the pressing clip 84 is moved to one side, one side of the pressing clip 84 to the lower end of the first fixing piece 58 of the clip 62 through the coupling groove 70 formed in the head portion 66 At the same time, the first pressing piece 80 and the second pressing piece 82 extending outwardly on the other side of the pressing clip 84 closely adhere to the upper and lower ends of the second fixing piece 60 of the clip 62. It is fixed. At this time, the elastic piece 86 of the pressing clip 84 has the state which pressed the head part 66 of the weather strip 68 below. When the weather strip 68 is fixed to the clip 62 by the pressing clip 84, the hook 64 formed at the lower end of the clip 62 is formed at the upper end of the fastening hole 56 formed in the door inner panel 52. Place it in When the hook 64 protruding from the bottom of the clip 62 is located at the top of the fastening hole 56 formed in the door inner panel 52, the top of the clip 62 is pressed to push the clip 62 to the door inner panel. Fix to 52.

One side of the pressing clip 84 is fixed to the lower end of the first fixing piece 58 of the clip 62 through the coupling groove 70 formed in the head portion 66, the outer side to the other side of the pressing clip 84 The door 50 is the body panel 88 because the first pressing piece 80 and the second pressing piece 82 extended to each other are fixed to the upper and lower ends of the second fixing piece 60 of the clip 62. ), The lower end of the weather strip 68 may be prevented from being slid to one side of the clip 62 due to the impact on the sheet. As the lower end of the weather strip 68 is prevented from being pulled toward one side of the clip 62 due to the impact on the body panel 88, wind noise may be prevented from entering the passenger compartment.

As described above, the door weather strip for an automobile according to the present invention has a first fixing piece and a second fixing piece having elastic force on both sides thereof, which are bent upwards, and a hook is inserted into and fixed to a fastening hole formed in the door inner panel at the bottom thereof. The clip and the lower end is formed with a head portion is fixed between the first fixing piece and the second fixing piece of the clip, the engaging groove is arranged at equal intervals in the horizontal direction in the head portion, the pressing piece extending in the vertical direction at the top And a first strip that has a buffer portion having a buffer space, and has a buffer strip formed therein, one side of which is inserted into and fixed to a coupling groove formed in the head of the weather strip, and the other side of the clip is fixed to the upper and lower ends of the second fixing piece of the clip. The second pressing piece extends outward, and on both sides of the pressing piece, an elastic piece elastically supported to one side is provided with a pressing clip extending outward so that the door contacts the vehicle body panel. By preventing the lower end of the weather strip from being oriented to one side of the clip, the wind noise is prevented from entering the passenger compartment.

Claims (2)

A door 50 having a door inner panel 52 and a door outer panel 54 made of a steel plate, the fastening holes 56 being formed at equal intervals on the upper end of the door inner panel 52; The first fixing piece 58 and the second fixing piece 60 having elastic force on both sides are bent to the upper side, and the hook 64 is fixed to the fastening hole 56 formed in the door inner panel 52 at the lower end thereof. The clip 62 is a protrusion formed, A head portion 66 whose lower end is fixed between the first fixing piece 58 and the second fixing piece 60 of the clip 62 is formed, and the coupling groove ( 70 is arranged at equal intervals, the weather strip 68 protruding the buffer portion 78 having a pressing piece 72 and a buffer space 76 extending in the vertical direction at the top, One side is inserted and fixed in the coupling groove 70 formed in the head portion 66 of the weather strip 68, the other side is pressed first tightly fixed to the upper and lower ends of the second fixing piece 60 of the clip 58 The pressing piece 84 in which the piece 80 and the second pressing piece 82 extend outwardly, and the elastic pieces 86 elastically supported to one side on both sides of the pressing pieces 80 and 82 extend outward. Car door weather strip, characterized in that consisting of. The method of claim 1, The door weather strip for automobiles, characterized in that the insert tip 74 for elastically supporting the pressing piece 72 to one side inside the pressing piece 72 is interposed.