KR19990027187U - Car door weather strip - Google Patents

Abstract

The present invention relates to an automotive door weather strip that can prevent wind noise from entering the passenger compartment and at the same time faithfully perform the desired weather strip function. The present invention is generated when the fixing piece having elastic force on both sides is bent to the upper side, and the hook is inserted into the door inner panel at the bottom and fixed to the inner panel of the door by the clip of the protruding clip. In constructing a weather strip that absorbs and mitigates the impact, the lower end is fixed between the fixing piece 58 and the fixing piece 58 of the clip 60, and the first pressing piece 66 and the first pressing piece are placed at the upper end. The second pressing piece 68 extends in the vertical direction, and the buffer part 74 having the buffer space 72 is projected between the first pressing piece 66 and the second pressing piece 68. It is.

Description

WEATHER STRIP OF DOOR FOR A CAR

The present invention relates to a door weather strip for automobiles, and more particularly to a door weather strip for automobiles that can prevent wind noise from entering the passenger compartment and at the same time faithfully perform the 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 adhesive force of the pressing piece is lowered, and a gap is generated between the body panel and the door, and wind noise is introduced into the passenger room through the gap, causing discomfort to the driver and the passenger.

Accordingly, the present invention has been made in view of the above-described problems, and an object thereof is to provide a door weather strip for an automobile that can prevent wind noise from entering a passenger room and at the same time faithfully perform a 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 a perspective view showing the configuration of the weather strip 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 that the fixing piece having elastic force on both sides is bent to the upper side, and the hook is inserted into the door inner panel at the bottom and is fixed to the inner panel of the door by a clip of a protruding clip. In constructing a weather strip that absorbs and mitigates the shock generated when contacted, the lower end is fixed between the fixing piece and the fixing piece of the clip, and the first pressing piece and the second pressing piece extend in the vertical direction at the upper end, It can be achieved by the door weather strip for automobiles, characterized in that the buffer portion having a buffer space protruding between the first pressing piece and the second pressing piece. In addition, the present invention includes that the insert tip for elastically supporting the first pressing piece to one side inside the first pressing piece is interposed.

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.

Figure 3 is a perspective view showing the configuration of the weather strip 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 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. A clip 60 having an elastic force on both sides of the fixing piece 58 is bent upward, and a lower end of the clip 60 has a hook inserted into and fastened to a fastening hole 56 formed in the door inner panel 52. 62 is a protrusion. A weather strip 64 having a lower end fixed between the fixing piece 58 and the fixing piece 58 of the clip 60 is provided, and the first pressing piece 66 and the first pressing piece 66 are formed at the upper end of the weather strip 64. The two pressing pieces 68 extend in the vertical direction. An insert tip 70 elastically supporting the first pressing piece 66 to one side is interposed inside the first pressing piece 66 of the weather strip 64. Between the first pressing piece 66 and the second pressing piece 68 of the clip 60, a buffer portion 74 having a buffer space 72 protrudes.

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

In the state in which the lower end of the weather strip 64 is fixed in close contact with the fixing piece 58 and the fixing piece 58 of the clip 60, the hook 62 protruding at the lower end of the clip 60 is fixed to the inner door panel 52. At the top of the fastening hole 56 formed in the). When the hook 62 protruding from the lower end of the clip 60 is located at the upper end of the fastening hole 56 formed in the inner door panel 52, the upper end of the clip 60 is pressed to push the clip 60 into the inner door panel. Fix to 52. The weather strip 64 is fixed to the door inner panel 52 as the hook 62 protruding from the bottom of the clip 60 is inserted into and fixed to the fastening hole 56 formed in the door inner panel 52. When the door 50 is in contact with the body panel 76, the first pressing piece 66 of the weather strip 64 is in close contact between the door 50 and the body panel 76 and at the same time the second pressing piece 68 ) Close to the body panel 76, the wind noise does not flow into the passenger room. At this time, the shock absorbing portion 74 of the weather strip 64 is in contact with the vehicle body panel 76 to have a deformed state. That is, the first pressing piece 66 is in close contact with the door 50 and the body panel 76 by the self-adhesive force of the first pressing piece 66 and the elastic force of the insert tip 70 interposed therebetween. Since the two pressing pieces 68 are in close contact with the body panel 76, the wind noise does not flow into the passenger compartment. That is, in the past, a certain period of time, the adhesion of the pressing piece is lowered, a gap is generated between the body panel and the door, wind noise flows into the passenger room through this gap to give discomfort to the driver and passengers, but the present invention The lower end is fixed between the fixing piece 58 and the fixing piece 58 of the clip 60, the first pressing piece 66 and the second pressing piece 68 is extended in the vertical direction at the upper end, A wind strip 64 is formed between the first press piece 66 and the second press piece 68 with a shock absorbing portion 74 having a buffer space 72 to protrude wind noise into the passenger compartment. It can be prevented.

As described above, the door weather strip for an automobile according to the present invention has a lower end fixed between the fixing piece and the fixing piece of the clip, and the first pressing piece and the second pressing piece extend in the vertical direction at the upper end, and the first pressing piece The buffer strip having a buffer space between the second pressing pieces is provided with a weather strip having a protrusion configured to prevent wind noise from entering the passenger compartment.

Claims (2)

The fixing pieces having elastic force on both sides are bent upwards, and the hooks inserted into the door inner panels are fixed to the door inner panels by clips, which protrude from the lower side, to maintain airtightness and to prevent shocks generated when the door contacts the body panels. In constructing the weather strip to absorb and relieve, The lower end is fixed between the fixing piece 58 and the fixing piece 58 of the clip 60, and the first pressing piece 66 and the second pressing piece 68 extend in the vertical direction at the upper end thereof. A door weather strip for automobiles, characterized in that a buffer portion (74) having a buffer space (72) is formed between the first pressing piece (66) and the second pressing piece (68). The method of claim 1, The door weather strip for automobiles, characterized in that the insert tip 70 for elastically supporting the first pressing piece (66) to one side inside the first pressing piece (66).