JP2015199367A - Mounting structure for weather strip - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a technology of a mounting structure for a weather strip capable of securing a sealability and a mountability to products and keeping a drainage function to enhance the sealability to insulate noises.SOLUTION: A weather strip 32 has a mounting base 32A, a third lip 32B, a first lip 33, and a second lip 34, which is made of a material such as a sponge-like or solid ethylene propylene rubber. The mounting base 32A is mounted with a clip 35 to a mounting hole 32a drilled at a lower edge of a door panel 28, in particular an inner panel 28B. The third lip 32B is entirely tongue-like in shape, elongating forward and rearward of an automobile, and forms a substantial circular arc from one end 32A2 of the mounting base 32A, that is a base end of the third lip 32B, to a second elastic contact part 32b.

Description

The present invention is particularly applied to the lower part of the door body of an automobile, that is, the lower edge part from the front corner to the rear corner, and the door sealability and product mounting performance against noise, outside air, rainwater, etc. entering from the lower end of the door. And a weather strip that maintains the drainage function and improves the sealing performance to insulate the noise.

As an example of a lower door structure of an automobile in this type of conventional technology, the door 1 is a door body 4 formed by joining an outer panel 2 and an inner panel 3 as shown in FIGS. A bottom-like plastic garnish 6 is attached to the lower end 5. As shown in FIG. 7 (b), step portions 9 and 10 are formed on the lower end portion 7 of the inner panel 3, and the lower end portion 8 of the outer panel 2 is formed on both sides of the lower end portion 7. A pair of joint portions 11 and 12 extending downward are formed so as to be along. That is, a notch 13 extending from the lower end to a part of the stepped portion 10 is formed between the joint portions 11 and 12 of the inner panel 3.
Both joint portions 11 and 12 of the inner panel 3 are overlapped with the lower end 8 of the outer panel 2 and joined by spot welding, thereby forming a door body 4. Therefore, the opening 14 is formed by the notch 13 between the joint portions 11 and 12 of the lower end portion 5 of the door body 4. A plurality of cuts 23, 24, 25 extending from the lower side to the upper side are provided at locations on the outer panel 2 corresponding to the notches 13 of the inner panel 3. In the figure, 15 is a flange and 16 is a drain hole. The garnish 6 is externally fitted to the lower end 5 of the door body 4, and the reinforcing rib 17 is fitted into the notches 23, 24, and 25, and the horizontal flange 22 of the garnish 6 is placed on the step 9 of the inner panel 3. 7 is a fastener that is inserted into the holes 20 and 21 and the holes 18 and 19 provided in them and a seal rubber that is in close contact with the lower side of the flange portion 22 as shown in FIG. This is a technique in which the garnish 6 is fixed.

Utility Model Application Publication No. 64-3687 Utility Model Gazette

According to the prior art, the door body 4 is composed of an inner panel 3 and an outer panel 2, and a step portion extending toward the outer panel 2 is formed at a lower end portion of the inner panel 3, and an end portion of the step portion From the lower end of the inner panel 3 between the adjacent joints, a plurality of joints 11 and 12 extending downward from the upper panel 2 and joined to overlap with the lower end of the outer panel 2 are formed. A portion leading to the step portion is cut out to form an opening 14, the lower end portion of the door body 4 has substantially the same length as the lower end portion, and the joint portion and the opening portion of the lower end portion of the door And a drainage hole 16 is formed in the bottom of the garnish 6 so that the water flows into the bowl-shaped garnish 6 and drops from the opening 14 as it is. Including the influx of Drainage function there has been a problem that it is not.
In addition, even if an abnormal noise enters the garnish 6 through the drain hole 16, there is no obstruction on the way, so there is a problem that the door panel further enters the door panel.
The problem to be solved by the present invention is to solve the problems described in the background art.

The weather strip according to the present invention has been developed intensively in order to solve the above-described problems, and is realized by the following configuration and means.

That is, according to the first aspect of the present invention, in a vehicle comprising a door and a vehicle body to which the door is attached, a long weatherstrip attachment structure attached between the vehicle body and the door, The weather strip includes a mounting base that elastically contacts the door panel, a first lip and a second lip that extend downward from the mounting base and are formed integrally with the mounting base, and the door panel includes the first lip. A drainage port communicating between the inside and outside of the door panel is provided below the mounting base, and when the door is closed, the first lip is elastically contacted with the door panel by a first elastic contact portion provided below the drainage port, Two lips are elastically contacted with the door panel below the first elastic contact portion, and the second lip is formed thicker than the first lip.

According to a second aspect of the present invention, in a vehicle comprising a door and a vehicle body to which the door is attached, a long weatherstrip attachment structure that is attached between the vehicle body and the door is provided. The strip has a mounting base elastically contacting the door panel, a first lip and a second lip extending downward from the mounting base and integrally formed with the mounting base, and the door panel includes the mounting base. A drain outlet that communicates the inside and outside of the door panel is provided below, and when the door is closed, the first lip is elastically contacted with the door panel by a first elastic contact portion provided below the drain outlet, and the second lip Is elastically contacted with the door panel below the first elastic contact portion, and the first lip has a first low-rigidity portion that is recessed in a direction of decreasing the thickness of the first lip. Features.

According to a third aspect of the present invention, in a vehicle comprising a door and a vehicle body to which the door is mounted, a long weather strip mounting structure that is mounted between the vehicle body and the door is provided. The strip has a mounting base elastically contacting the door panel, a first lip and a second lip extending downward from the mounting base and integrally formed with the mounting base, and the door panel includes the mounting base. A drain outlet that communicates the inside and outside of the door panel is provided below, and when the door is closed, the first lip is elastically contacted with the door panel by a first elastic contact portion provided below the drain outlet, and the second lip Is elastically contacted with the door panel below the first elastic contact portion, and the first lip has a bent portion that is convex toward the drain port.

According to a fourth aspect of the present invention, in the weather strip according to the first, second, and third aspects, the lower end of the first lip and the second lip are separated when the door is closed. And

According to a fifth aspect of the present invention, in the weather strip according to the first, second, third, and fourth aspects, the lower end portion of the mounting base portion is in elastic contact with the door panel, and the lower end portion is the first portion. It is characterized by being formed thicker than two lips.

According to a sixth aspect of the present invention, in the weather strip according to the first, second, third, fourth, and fifth aspects, the first lip and the second lip are disposed between the first lip and the second lip. An interposition part for smoothly connecting the second lip is provided.

According to a seventh aspect of the present invention, in the weather strip according to the first, second, third, fourth, fifth, and sixth aspects, the first lip is provided in substantially the entire longitudinal direction of the weather strip. It is characterized by being.

According to an eighth aspect of the present invention, in the weather strip according to any one of the first, second, third, fourth, fifth, sixth, and seventh aspects, the attachment base portion is provided with a third lip, and the third lip is provided. The lip has a second elastic contact portion that elastically contacts the vehicle body when the door is closed, and has a third elastic contact portion that extends from the second elastic contact portion toward the door and elastically contacts the second lip. It is characterized by.

According to a ninth aspect of the present invention, in the weather strip according to the eighth aspect, the third lip has a connection portion that connects the attachment base portion and the second elastic contact portion, The connecting portion is provided with a second low-rigidity portion that is recessed in the direction of decreasing the thickness of the third lip.

According to a tenth aspect of the present invention, in the weather strip according to at least one of the first to ninth aspects, the mounting structure is configured by being mounted between the vehicle body and the door. And

The weather strip according to the present invention has been developed intensively in order to solve the above-described problems, and is realized by the following configurations and means, and has the following effects.

That is, according to the first aspect of the present invention, in a vehicle comprising a door and a vehicle body to which the door is attached, a long weatherstrip attachment structure attached between the vehicle body and the door, The weather strip includes a mounting base that elastically contacts the door panel, a first lip and a second lip that extend downward from the mounting base and are formed integrally with the mounting base, and the door panel includes the first lip. A drainage port communicating between the inside and outside of the door panel is provided below the mounting base, and when the door is closed, the first lip is elastically contacted with the door panel by a first elastic contact portion provided below the drainage port, The two lips elastically contact the door panel below the first elastic contact portion, and the second lip is formed thicker than the first lip. To provide a mounting structure for over strip.
Therefore, since the drainage port is closed by the mounting base and the first lip provided integrally with the mounting base, the inside and outside of the drainage port can be sound-insulated, and the first lip is deformed when water drops. It is possible to drain water. Further, since the second lip is thicker than the first lip, the first lip can be easily bent, and drainage can be ensured. Furthermore, since the second lip can always be brought into elastic contact with the door panel, the water drained from the first lip does not exceed the second lip and is sent in the longitudinal direction. Thereby, there is an effect that the water is not drained from the door panel while being drained from the door panel.

According to a second aspect of the present invention, in a vehicle comprising a door and a vehicle body to which the door is attached, a long weatherstrip attachment structure that is attached between the vehicle body and the door is provided. The strip has a mounting base elastically contacting the door panel, a first lip and a second lip extending downward from the mounting base and integrally formed with the mounting base, and the door panel includes the mounting base. A drain outlet that communicates the inside and outside of the door panel is provided below, and when the door is closed, the first lip is elastically contacted with the door panel by a first elastic contact portion provided below the drain outlet, and the second lip Is elastically contacted with the door panel below the first elastic contact portion, and the first lip has a first low-rigidity portion that is recessed in a direction of decreasing the thickness of the first lip. A weatherstrip mounting structure is provided.
Therefore, since the drainage port is closed by the mounting base and the first lip provided integrally with the mounting base, the inside and outside of the drainage port can be sound-insulated, and the first lip is deformed when water drops. It is possible to drain water. Moreover, since the low rigidity part was provided in the 1st lip, the deformation | transformation of a 1st lip is easy and drainage property is stabilized more. In addition, since the load when the first lip is bent by the water pressure is less likely to be transmitted to the second lip, the second lip is elastically contacted with the door panel. Furthermore, compared with the first lip, the second lip can be stably brought into elastic contact with the door panel, so that water drained from the first lip does not exceed the second lip and flows in the longitudinal direction. Is done. Thereby, there is an effect that the water is not drained from the door panel while being drained from the door panel.

According to a third aspect of the present invention, in a vehicle comprising a door and a vehicle body to which the door is mounted, a long weather strip mounting structure that is mounted between the vehicle body and the door is provided. The strip has a mounting base elastically contacting the door panel, a first lip and a second lip extending downward from the mounting base and integrally formed with the mounting base, and the door panel includes the mounting base. A drain outlet that communicates the inside and outside of the door panel is provided below, and when the door is closed, the first lip is elastically contacted with the door panel by a first elastic contact portion provided below the drain outlet, and the second lip Is weathered to be elastically contacted with the door panel below the first elastic contact portion, and the first lip has a bent portion that is convex toward the drain port. A strip mounting structure is provided.
Therefore, since the drainage port is closed by the mounting base and the first lip provided integrally with the mounting base, the inside and outside of the drainage port can be sound-insulated, and the first lip is deformed when water drops. It is possible to drain water. In addition, since the bent portion is provided on the first lip, the deformation of the first lip is easy and the drainage is more stable. In addition, since the load when the first lip is bent by the water pressure is less likely to be transmitted to the second lip, the second lip is elastically contacted with the door panel. Furthermore, compared with the first lip, the second lip can be stably brought into elastic contact with the door panel, so that water drained from the first lip does not exceed the second lip and flows in the longitudinal direction. Is done. Thereby, there is an effect that the water is not drained from the door panel while being drained from the door panel.

According to a fourth aspect of the present invention, when the door is closed, the lower end of the first lip and the second lip are spaced apart from each other. Provide structure.
Then, since it is spaced apart, it is possible to secure a space where the first lip is deformed when water is drained, so that there is an effect that drainage is stabilized.

According to a fifth aspect of the present invention, the lower end portion of the mounting base portion is in elastic contact with the door panel, and the lower end portion is formed thicker than the second lip. A weatherstrip mounting structure according to any one of 1, 2, 3, and 4 is provided.
Therefore, since the lower end of the mounting base is formed thick and is in elastic contact with the door panel, there is an effect that the deformation of the first lip does not affect the mounting state of the mounting base.

According to a sixth aspect of the present invention, there is provided an interposition part for smoothly connecting the first lip and the second lip between the first lip and the second lip. The weather strip mounting structure according to claim 1, 2, 3, 4, 5 is provided.
Therefore, since the interposition part is provided between the first lip and the second lip, the second lip can be reinforced and the elastic contact state of the second lip to the door panel is stabilized. Moreover, since it is connected smoothly, there exists an effect that an interposition part does not become a starting point of damage.

According to a seventh aspect of the present invention, in the first, second, third, fourth, fifth, and sixth aspects, the first lip is provided in substantially the entire longitudinal direction of the weather strip. A weatherstrip mounting structure is provided.
Therefore, since the first lip is provided not only in the portion where the drain port is provided in the door panel but also in the entire region, it can be formed by extrusion molding, and the moldability is high. In addition, if it is provided so as to block only the drain outlet, sound leakage may occur from the left and right of the drain outlet and the sound insulation may be reduced, but since it is provided in the entire area, there is an effect that there is no decrease in the sound insulation. is there.

According to an eighth aspect of the present invention, the mounting base is provided with a third lip, and the third lip has a second elastic contact portion that elastically contacts the vehicle body when the door is closed, The weather strip according to claim 1, further comprising a third elastic contact portion extending from the elastic contact portion toward the door and elastically contacting the second lip. Provide mounting structure.
Therefore, the force received by the third lip from the door when the door is closed can be transmitted to the second lip via the third elastic contact portion, so that the elastic contact of the second lip to the door panel is stabilized. In addition, since a hollow portion is formed by the mounting base, the third lip, and the first lip, there is an effect of improving sound insulation inside and outside the vehicle.

According to the ninth aspect of the present invention, the third lip has a connection portion that connects the attachment base portion and the second elastic contact portion, and the connection portion has a thickness of the third lip. The weatherstrip attachment structure according to claim 8, wherein a second low-rigidity portion that is recessed in a direction to be reduced is provided.
Therefore, thanks to the second low-rigidity part, the third lip is easily deformed, and there is an effect that it does not become a resistance when the door is closed.

According to a tenth aspect of the present invention, there is provided the weather strip according to at least one of the first to ninth aspects, wherein the weather strip is mounted between the vehicle body and the door to constitute the mounting structure. To do.
In addition to the effects of the first to ninth aspects, the weather strip can be easily attached.

It is the front view which looked at the front door of the motor vehicle from the vehicle compartment side, when the weather strip according to the present invention is applied to a vehicle, particularly a motor vehicle. FIG. 2 is an enlarged cross-sectional view as viewed from the direction of the arrow BB in FIG. 1, illustrating the first embodiment. FIG. 3 is an enlarged cross-sectional view showing a drainage function when rainwater or the like flows into the door panel in FIG. It is a figure which shows the graph which compared the sound insulation value based on the sample 1 with the weather strip which concerns on this invention, and the conventional weather strip. It is a figure which shows the graph which compared the sound insulation value based on the physical quantity (item) of the sample 1 of the weather strip which concerns on this invention, and the conventional weather strip. It is an expanded sectional view of the BB line direction of Drawing 1 showing the 2nd example of the weather strip concerning the present invention. It is an example of the door lower part structure of the motor vehicle in a prior art, (a) is a schematic diagram which shows the side surface of a motor vehicle, (b) is the principal part disassembled perspective view of the arrow AA line direction of (a). It is.

Hereinafter, a first embodiment of a weather strip according to the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a front view of a front door of an automobile as viewed from the passenger compartment side when the weather strip according to the present invention is applied to a vehicle, particularly an automobile. FIG. 2 is an enlarged cross-sectional view seen from the direction of the arrow BB in FIG. The door 27 includes a door panel 28 shown in FIG. 2, and the door panel 28 includes an outer panel 28A and an inner panel 28B. The door 27 has a space formed therein by an inner panel 28B and an outer panel 28A, and a window regulator (not shown) for raising and lowering the window glass 28C is incorporated therein.

The door 27 is provided with a sash 29 on the upper portion of a door main body 28D having an inner panel 28B and an outer panel 28A. The lower edge E of the door 27 is provided with a discharge port 30 for discharging rainwater and the like that has entered the door main body 28D from the window glass 28C or the like at predetermined intervals in the vehicle front-rear direction (left-right direction in FIG. 1). An appropriate number, that is, a plurality, for example, 5 is provided. That is, the door panel 28 is provided with a drain port 30 that communicates the inside and outside of the door panel 28 below the mounting base 32A.

The present invention particularly proposes a novel structure of the weather strip 32 to be mounted on the lower portion E of the door body 28D of the automobile, that is, the lower edge E from the front corner to the rear corner.

Weatherstrip 32 is a mounting base 32A in which the thickness t ₃ a elongated contacts 2 (mm) about the door panel 28 elastically, and a third lip 32B, extending downwardly from the mounting base portion 32A and with said mounting A first lip 33 and a second lip 34 are formed integrally with the base 32A, and the mounting base 32A, the first lip 33, and the second lip 34 and the third lip 32B have a specific gravity of 0. It is a rubber material such as ethylene propylene rubber (EPM, EPDM) of about 6 to 0.8 or 0.9 to 1.4, and is formed in a sponge or solid form. The mounting base portion 32A fixes a plurality of mounting holes 32a formed along the length direction (longitudinal direction) with a clip 35 to a hole drilled in the lower edge portion of the inner panel 28B of the door panel 28. The third lip 32B has a tongue-like shape as a whole, extends to the front and rear of the automobile (from the front side to the back side in FIG. 2), and has one end (upper end) 32A2 of the mounting base 32A, that is, the third lip 32B. A substantially arc shape is formed and extended from the base end to the second elastic contact portion 32b. A gap is formed between the third lip 32B and the first lip 33.
In the figure, 32c is a lower end portion of the mounting base portion 32A, and elastically contacts the surface of the inner panel 28B when the door is closed. The lower end portion 32c is a thick portion that is elastic in contact with the door panel 28B as viewed from the vehicle width direction. The first lip 33 and the second lip 34 are extended from this thick portion.

It has been found that the first to third lips 33, 34, and 32B described below have improved sealing performance and durability and improved sound insulation effect according to the following setting conditions. That end of the third dimension of the lip 32B the length _{L 1} from the bottom surface 32A1 of it depends but mounting base 32A in models of cars to the surface of the second elastic contact portion 32b is to no 17 18 (mm) and the mounting base 32A 32A2 length _{L 2} from the outer surface to the second elastic contact portion 32b of the (upper) is set to to no 15 17 (mm). Further, the thickness t ₁ of the third lip 32B is set to about 3 (mm).

Next, the first lip 33 is formed in a substantially arc shape from the lower end portion 32c of the mounting base portion 32A, and the whole is formed in a tongue shape. The first lip 33 is substantially shorter than the third lip 32B, and when attached to the door 27, the surface of the paint sealer 36 installed on the inner panel 28B so that the first elastic contact portion 33a is indicated by a solid line. And the drain port 30 is closed.
Here, the paint sealer 36 is installed, for example, in order to rust the portion of the door panel 28 where the coating does not interfere. The first lip 33 is the length _{L 3} from the lower end portion 32c of the mounting base portion 32A to the first elastic contact portion 33a is set to to 12 13 (mm). The thickness _{t 2} of the first lip 33 is set to 2 (mm) degree thinner than the thickness _t 1, t ₄ of the third lip 32B and a second lip 34.

Next, the second lip 34 is formed in an arc shape from the interposition part 32A3 of the mounting base part 32A, and the whole is formed in a tongue-like shape. The interposition part 32A3 is configured to be smoothly connected between the first lip 33 and the second lip 34. The second lip 34 is substantially longer than the first lip 33. When the second lip 34 is attached to the door 27, the tip 34a is pressed against the surface of the lower end 28a of the outer panel 28A of the door panel 28 as indicated by a solid line. Elastic contact. The second lip 34 is its thickness t ₄ with the length _{L 4} from the lower end portion 32c of the mounting base portion 32A to the front end 34a is set to 20 to 21 (mm) is set equal to the third lip 32B. The lower end 28a of the door panel 28 is disposed below the front end 34a of the second lip 34.

Next, the operation of the weather strip according to the first embodiment of the present invention will be described with reference to FIG.
When the door 27 is opened, the door panel 28, in particular, the inner panel 28B and the body panel 37 are separated from each other, and the third lip 32B extends outward as indicated by an imaginary line in FIG. Then, as shown in FIG. 2, when the door 27 is closed, the first to third lips 33, 34, and 32B are deformed to positions indicated by solid lines. That is, the third lip 32B is curved toward the mounting base 32A with the second low-rigidity portion 38 formed in the length direction of the inner surface 32B1 of the third lip 32B as a fulcrum. The second low-rigidity portion 38 has a depth h of about 0.4 (mm) and a width length w of about 2 to 3 (mm). The opening of the second low-rigidity portion 38 is set to be wide, and the bottom surface of the second low-rigidity portion 38 is set to be narrow. On the other hand, the first lip 33 is brought into pressure contact with the surface of the paint sealer 36 as indicated by a solid line, and the drain port 30 is closed by the first lip 33, so that foreign matter such as outside air and sludge shown by the arrow P1 flows into the door panel 28. In particular, the third lip 32B prevents the transmission of noise. Similarly, the tip of the second lip 34 is in pressure contact with the surface of the outer panel 28A of the door panel 28, so that foreign matter such as outside air and sludge indicated by the arrow P2 does not flow into the door panel 28, and noise transmission is prevented. To do. When the door 27 is closed, the first lip 33 is elastically contacted with the door panel 28 by a first elastic contact portion 33 a provided below the drain port 30, and the second lip 34 is thicker than the first lip 33. Form.
A first lip 33 and a second lip 34 that block the drainage port 30 are formed. The first lip 33 is deformed to allow water to escape, and the second lip 34 is not deformed to flow water. Further, the first lip 33 blocks noise that has entered beyond the second lip 34.
The second lip 34 is in elastic contact with the door panel 28 below the first elastic contact portion 33a, and the first lip 33 has a first low-rigidity portion 33b that is recessed in the direction of decreasing the thickness of the first lip 33. Yes. The second lip 34 is in elastic contact with the door panel 28 below the first elastic contact portion 33a, and the first lip 33 has a bent portion 33c that is convex toward the drain port 30.

By the way, if rainwater R flows into the door panel 28 from the window glass 28C as shown in FIG. 1, the rainwater R flows between the outer panel 28A and the inner panel 28B as shown in FIG. In this case, the paint sealer 36 first lip 33 is deformed rainwater R ₁ gap 36A is formed between the first elastic contact portion 33a of the first lip 33 via the discharge port 30 formed in the inner panel 28B first the storage portion 34b of the second lip 34 and the outer panel 28A stays as rainwater _{R 2.} However, the accumulated rainwater R ₂ is transmitted to the front of the automobile shown in FIG. 1 and discharged from the end of the weather strip 32 to the outside. Wherein the first lip 33 in the absence of rain R ₁ has run onto the paint sealer 36, it is possible to improve the sound insulation performance close the drain outlet 30. As described above, according to the weather strip according to the present invention, it was possible to ensure the drainage function of rainwater R and the like, and to prevent noise from the outside, thereby ensuring the quietness of the automobile.

Next, the results of experiments on the weather strip 32 according to the present invention will be described.
In this experiment, as shown in FIG. 4, the shape of the product of the present invention, that is, the weather strip 32 according to the present invention and the conventional weather strip, was displayed in a graph based on the data obtained by comparing the sound insulation properties of the sample 1 with the sample 1. FIG. 5 is a diagram showing data of each physical item in the sample 1 of the invention product, that is, the weather strip 32 and the conventional weather strip, and the sample 1 is a rubber material having a specific gravity of 0.73.

As an experimental method, for example, using a compression load measuring machine, the weather strip 32 according to the present invention is compressed from the other jig. Then, the sealing performance of the weather strip 32, that is, the door 27 closing state, the assembling property of the door 27 of the weather strip 32 on the inner panel 28B, and the closing performance of the door 27 with the body panel 37 are tested and further invaded from the outside. The sound insulation value as described above for noise was measured.
According to the experimental results described above, it has been found that the sample is suitable as the sample applied to the weather strip 32 according to the present invention. According to such a sample, it is applied to the lower part of the door main body 28D, that is, the lower edge part from the front corner to the rear corner, and the sealing property and product of the door 27 against noise, outside air, rainwater, etc. entering from the lower end of the door 27. It was possible to reveal the characteristic point of securing the mountability and maintaining the drainage function to improve the sealing performance and to insulate the noise.

Next, a second embodiment of a weather strip 32 'according to the present invention will be described with reference to FIG.
Compared to the configuration shown in FIG. 2, the weather strip 32 'has a third lip 32D, and the third lip 32D has a connection portion 32e for connecting the attachment base portion 32A and the second elastic portion 32d. The connecting portion 32e is provided with a second low-rigidity portion 38 that is recessed in the direction of reducing the thickness of the third lip 32D. Then, for example, as shown in FIG. 2, a third elastic contact portion 32b ′ is provided at the tip of the third lip 32D and set long. Specifically, the length L ₅ represents causes distraction to about 5 to 8 (mm). Accordingly, when the door 27 is closed, the third elastic contact portion 32b 'of the third lip 32D of the weather strip 32' according to this embodiment is brought into contact with and crimped to the outer surface of the second lip 34, as shown in FIG. By the base 32A and the third lip 34, an elliptical or perfect hollow C can be formed in the length direction. The second lip 34 is in elastic contact with the door panel 28 below the first elastic contact portion 33a, and the first lip 33 has a first low-rigidity portion 33b that is recessed in the direction of decreasing the thickness of the first lip 33. Yes. The second lip 34 is in elastic contact with the door panel 28 below the first elastic contact portion 33a, and the first lip 33 has a bent portion 33c that is convex toward the drain port 30. As a result, the weather strip 32 'further increases its rigidity, and ensures the sealing and product mounting properties of the door 27 against noise, outside air, rainwater and the like entering from the lower end of the door 27, and also maintains the drainage function. Thus, the sealing performance is improved, and in particular, the effect of insulating the noise by the third lip 32D can be further improved. The configuration, operation, and the like of the weather strip 32 ′ in the above embodiment are substantially the same as those of the weather strip 32 described in the first embodiment, and the description thereof is omitted.

The weather strip according to the present invention can be used for doors of various vehicles, construction machines, agricultural machines, etc. in addition to automobiles.

27 Door 28 Door panel 28A Outer panel 28a Outer panel lower end 28B Inner panel 28C Window glass 28D Door body 29 Sash 30 Discharge port 32 Weather strip 32 'Weather strip 32A Mounting base 32A1 Mounting base 32A2 Mounting base 32A3 Interposition 32a Mounting hole 32B Third lip 32b Second elastic contact portion 32b 'Third elastic contact portion 32B1 Third lip inner surface 32c Lower end portion 32d Second elastic contact portion 32e Connection portion 32D Third lip 33 First lip 33a First lip First elastic contact portion 33b First low-rigidity portion 33c Bending portion 34 Second lip 34a Second lip tip 34b Reservation site 35 Clip 36 Paint sealer 36A Clearance 37 Body panel 38 Second low-rigidity portion

Claims (10)

In a vehicle comprising a door and a vehicle body to which the door is attached, a long weather strip attachment structure attached between the vehicle body and the door, the weather strip having an attachment base portion elastically contacting the door panel; A drain port extending downward from the mounting base and having a first lip and a second lip formed integrally with the mounting base, and the door panel communicates with the inside and outside of the door panel below the mounting base. When the door is closed, the first lip is elastically contacted to the door panel by a first elastic contact portion provided below the drain port, and the second lip is lower than the first elastic contact portion. A weatherstrip mounting structure, wherein the door panel is elastically contacted, and the second lip is formed thicker than the first lip. In a vehicle comprising a door and a vehicle body to which the door is attached, a long weather strip attachment structure attached between the vehicle body and the door, the weather strip having an attachment base portion elastically contacting the door panel; A drain port extending downward from the mounting base and having a first lip and a second lip formed integrally with the mounting base, and the door panel communicates with the inside and outside of the door panel below the mounting base. When the door is closed, the first lip is elastically contacted to the door panel by a first elastic contact portion provided below the drain port, and the second lip is lower than the first elastic contact portion. The weather strip according to claim 1, wherein the first lip includes a first low-rigidity portion that is in elastic contact with the door panel and is recessed in a direction to reduce the thickness of the first lip. Mounting structure. In a vehicle comprising a door and a vehicle body to which the door is attached, a long weather strip attachment structure attached between the vehicle body and the door, the weather strip having an attachment base portion elastically contacting the door panel; A drain port extending downward from the mounting base and having a first lip and a second lip formed integrally with the mounting base, and the door panel communicates with the inside and outside of the door panel below the mounting base. When the door is closed, the first lip is elastically contacted to the door panel by a first elastic contact portion provided below the drain port, and the second lip is lower than the first elastic contact portion. A weatherstrip mounting structure characterized in that the first lip elastically contacts the door panel and has a bent portion that is convex toward the drain port. The weatherstrip attachment structure according to claim 1, 2, or 3, wherein the lower end of the first lip and the second lip are spaced apart when the door is closed. 5. The weather according to claim 1, wherein the lower end portion of the mounting base is in elastic contact with the door panel, and the lower end portion is formed thicker than the second lip. Strip mounting structure. An interposition part for smoothly connecting the first lip and the second lip is provided between the first lip and the second lip. 5. A weatherstrip mounting structure according to 5. 7. The weather strip mounting structure according to claim 1, wherein the first lip is provided in substantially the entire longitudinal direction of the weather strip. The mounting base is provided with a third lip, and the third lip has a second elastic contact portion that elastically contacts the vehicle body when the door is closed, and extends from the second elastic contact portion toward the door, The weatherstrip attachment structure according to claim 1, further comprising a third elastic contact portion that elastically contacts the second lip. The third lip has a connection portion that connects the attachment base portion and the second elastic contact portion, and the connection portion has a second low-rigidity portion that is recessed in a direction to reduce the thickness of the third lip. The weatherstrip mounting structure according to claim 8, wherein the weatherstrip mounting structure is provided. The weather strip according to at least one of claims 1 to 9, wherein the weather strip is mounted between the vehicle body and the door to constitute the mounting structure.