Weather strip
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- NISHIKAWA RUBBER CO LTD
- Filing Date
- 2023-07-05
- Publication Date
- 2026-07-02
AI Technical Summary
Existing weather strips for double doors in vehicles face issues with increased manufacturing costs and assembly difficulties due to the integration of separate seal portions, which also affect the appearance by creating steps and gaps.
A weather strip design with separately formed seal portions, including a first seal part with an engagement convex part and a second seal part with a core part for increased rigidity, allowing easy connection through an engagement recess and protrusion mechanism, reducing manufacturing costs and improving assembly.
The design enables easy connection of seal portions without steps, reduces manufacturing costs, enhances appearance, and improves sealing and soundproofing performance.
Smart Images
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Abstract
Description
[Technical Field]
[0001] The present invention relates to a weatherstrip. [Background technology]
[0002] In vehicles such as automobiles, there are known vehicles that have a double-door system at an opening in the body of the vehicle. The double-door system generally comprises a front-closing door and a rear-closing door that closes after the front-closing door has closed.
[0003] For such vehicles, a weatherstrip has been proposed to seal between the front-closing door and the rear-closing door when the double-doors are closed. For example, Patent Document 1 discloses an automotive weatherstrip in which a molded corner seal and an extruded middle seal are integrated in the front-closing seal of the front-closing door.
[0004] Furthermore, Patent Document 2 discloses a vertical seal installation between doors that does not involve side pillars or B-pillars, in which an upper end collector and a lower end discharger formed by a rubber molding are interconnected by an extruded profile having a long rubber body. [Prior art documents] [Patent documents]
[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-000564 [Patent Document 2] Special Publication No. 2017-505252 Summary of the Invention [Problem to be solved by the invention]
[0006] Compared to the case where the corner seal portion and the intermediate seal portion are integrated as described in Patent Document 1, the manufacturing cost can be reduced by molding the upper end collector and the lower end discharger and the extruded profile separately and interconnecting them as described in Patent Document 2.
[0007] On the other hand, the configuration described in Patent Document 2 results in steps between the upper end collector and the lower end discharger and the extrusion profile, which affects the appearance. Also, it is difficult to connect the upper end collector and the lower end discharger to the extrusion profile while assembling them to the door, which also poses a problem in terms of manufacturability.
[0008] An object of one aspect of the present invention is to provide a weatherstrip that allows two separate seal portions to be easily connected in a manner that does not create a step. [Means for solving the problem]
[0009] In order to solve the above-mentioned problems, one embodiment of the present invention provides a weatherstrip for a double-swing door consisting of a first-swing door and a rear-swing door that closes after the first-swing door is closed, which door can be opened and closed to cover an opening formed in the body of a vehicle.The weatherstrip is provided with the first-swing door, and has a first seal portion that abuts the rear-swing door when the double-swing door is closed, and a second seal portion that is located on at least one of the upper and lower end sides of the first seal portion and is formed separately from the first seal portion.The second seal portion has a second core portion therein that is more rigid than other portions of the second seal portion and has an engaging protrusion formed in a portion that is convex toward the first seal portion, and the first seal portion has an engaging recess into which the engaging protrusion can be inserted. [Effects of the Invention]
[0010] According to one aspect of the present invention, a weatherstrip can be realized that allows two separate seal portions to be easily connected in a manner that does not create a step. [Brief explanation of the drawings]
[0011] [Figure 1] 1 is a perspective view schematically showing a double door of a vehicle equipped with a weather strip according to an embodiment of the present invention; [Figure 2] 1 is a side view showing a weather strip according to an embodiment of the present invention attached to a first-closing door; [Figure 3] 1 is a perspective side view schematically showing the periphery of a first molded portion of a weatherstrip for a first-closing door according to one embodiment of the present invention. FIG. [Figure 4] FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3. [Figure 5] FIG. 4 is a perspective view schematically showing the state in which the first extrusion molded portion of the weatherstrip is removed from the view shown in FIG. 3. DETAILED DESCRIPTION OF THE INVENTION
[0012] An embodiment of the present invention will be described below with reference to the drawings. Fig. 1 is a perspective view showing a schematic view of an example of a vehicle equipped with a weatherstrip 10 according to an embodiment of the present invention. In this specification, the right side and left side refer to the right and left sides, respectively, when viewed in the direction of travel of the vehicle. Fig. 1 mainly shows a double door 3 on the right side of a vehicle body 1.
[0013] As shown in Figure 1, a weatherstrip 10 according to one embodiment of the present invention is provided on the front-closing door 5 of a double-door 3, and is a member that seals between the front-closing door 5 and the rear-closing door 4.
[0014] The double-swing door 3 is a door member that opens and closes an opening 2 formed in the body 1 of a vehicle. The first-closing door 5 is the door that closes first when the double-swing door 3 is closed from an open state. The rear-closing door 4 is the door that closes after the first-closing door 5 has closed. In this way, the double-swing door 3 is a door member that does not have a pillar member such as a B-pillar between the first-closing door 5 and the rear-closing door 4, and is sometimes called a double-swing door or a suicide door.
[0015] The double-swing door 3 may be provided so as to cover an opening 2 for entering and exiting the vehicle compartment, which is formed on the right and left sides of the vehicle body 1 as shown in Fig. 1. In this case, the front-closing door 5 may be a rear door on the rear side of the vehicle, and the rear-closing door 4 may be a front door on the front side of the vehicle. The double-swing door 3 may also be provided, for example, so as to cover an opening for a luggage compartment formed on the back of the vehicle body 1, rather than on the side of the vehicle body 1, or may be provided at another position on the vehicle body 1.
[0016] Fig. 2 is a side view seen from inside the vehicle compartment, showing a weatherstrip 10 provided on the front-closing door 5 provided on the right side of the vehicle body 1, and schematically illustrating the attachment state to the front-closing door 5. In Fig. 2, the front-closing door 5 and other components other than the weatherstrip 10 are omitted from the illustration.
[0017] Fig. 3 is a perspective side view of the first molded portion 30 and its periphery as seen from outside the vehicle, schematically showing the weatherstrip 10 assembled to the front-closing door 5, and Fig. 4 is a cross-sectional view taken along line AA in Fig. 3. Fig. 5 is a perspective view schematically showing the weatherstrip 10 with the first extrusion molded portion 20 removed from the view shown in Fig. 3. Note that the second extrusion molded portion 50 is not shown in Fig. 3.
[0018] (Extrusion and molding sections) 2, the weatherstrip 10 has a first extrusion molded portion (first seal portion) 20 and a first molded portion (second seal portion) 30. The weatherstrip 10 may further have a second molded portion 40 and a second extrusion molded portion 50.
[0019] The first extrusion molding portion 20 abuts against the rear-closing door 4 when the double-swing door 3 is closed. The first extrusion molding portion 20 is a member that seals between the front-closing door 5 and the rear-closing door 4. As shown in FIG. 2 , the first extrusion molding portion 20 is formed on the front-closing door 5, extending along one side of the vehicle on the rear-closing door 4 side.
[0020] 3 and 4, the first extrusion molding portion 20 has a hollow seal portion 23 that abuts against the rear-closing door 4 and is formed facing the exterior of the vehicle. The first extrusion molding portion 20 seals the gap between the front-closing door 5 and the rear-closing door 4 as the hollow seal portion 23 abuts against the rear-closing door 4. The first extrusion molding portion 20 may further have a lip that extends toward the door trim 60 that is attached to the interior side of the front-closing door 5.
[0021] The first extrusion molding portion 20 may be formed continuously between the first mold molding portion 30 and the second mold molding portion 40 located at the upper and lower corners of the front-closing door 5 on the rear-closing door 4 side. Such a first extrusion molding portion 20 may be manufactured by, for example, an extrusion molding method, or may be manufactured by other methods.
[0022] The first molded portion 30 is located on the lower end portion 22 side of the first extrusion molded portion 20, at a corner portion on the rear-closing door 4 side, in the front-closing door 5. The first molded portion 30 may be manufactured by, for example, a molding method, or may be manufactured by other methods.
[0023] Such a first molded portion 30 is formed separately from the first extrusion molded portion 20. If the first extrusion molded portion 20 and the first molded portion 30 are formed separately, the process of integrally molding them can be omitted, thereby reducing the manufacturing cost of the weatherstrip 10.
[0024] The second molded portion 40 is located on the upper end 21 side of the first extrusion molded portion 20, at a corner portion on the rear-closing door 4 side, in the front-closing door 5. The second molded portion 40 may be manufactured by, for example, a molding method or by other methods. Such a second molded portion 40 may be molded integrally and continuously with the first extrusion molded portion 20.
[0025] Since the upper side of the front-closing door 5 is easily visible to the user, if the first extrusion molded portion 20 and the second molded portion 40 are integrally molded, it is easy to improve the appearance. Furthermore, if the first extrusion molded portion 20 and the second molded portion 40 are integrally molded, no step or gap will be formed between the first extrusion molded portion 20 and the second molded portion 40. Therefore, it is possible to effectively prevent water droplets and the like from entering the vehicle interior from the upper side of the front-closing door 5.
[0026] The second extrusion molded portion 50 is formed by extending along each of the upper, lower, and rear sides of the first-closing door 5, and is a member that seals between the vehicle body 1 and the first-closing door 5. The second extrusion molded portion 50 may be manufactured by, for example, an extrusion molding method, or may be manufactured by other methods. Furthermore, the second extrusion molded portion 50 may have a portion formed by molding in a part of the rear corner portion of the first-closing door 5, or the entire second extrusion molded portion 50 may be formed by molding.
[0027] The second extrusion molding section 50 may be formed continuously from the second mold molding section 40 to the first mold molding section 30. In this case, the second extrusion molding section 50 may be integrally molded with the second mold molding section 40 and the first mold molding section 30. Alternatively, the second extrusion molding section 50 may be separate from at least one of the second mold molding section 40 and the first mold molding section 30. From the viewpoints of waterproofness and appearance, it is preferable that the second extrusion molding section 50 be integrally molded with at least the second mold molding section 40.
[0028] Materials for forming the first extrusion molding section 20, the first mold molding section 30, the second mold molding section 40, and the second extrusion molding section 50 include synthetic rubber or rubber-like elastic bodies such as TPE (thermoplastic elastomer). Examples of synthetic rubber include EPDM (ethylene-propylene-diene copolymer rubber). Examples of TPE include TPO (olefin-based thermoplastic elastomer) and TPS (styrene-based thermoplastic elastomer), but are not limited to these materials. The rubber-like elastic bodies may be foamed or non-foamed.
[0029] The first extrusion molding section 20, the first molded section 30, the second molded section 40, and the second extrusion molding section 50 may be formed from the same forming material, or may be formed from different forming materials. Also, for example, the first extrusion molding section 20 and the second extrusion molding section 50 may be formed from the same forming material, and the first molded section 30 and the second molded section 40 may be formed from the same forming material but a different forming material from the first extrusion molding section 20.
[0030] (1st core and 2nd core) As shown in Figures 3 to 5, the first molded portion 30 has a second core portion 31 therein. The second core portion 31 is a core material with greater rigidity than other portions of the second seal portion 30. The first molded portion 30 is required to maintain its shape when it is in contact with the rear-closing door 4 and when it is subjected to impacts caused by the opening and closing operation of the rear-closing door 4. If the first molded portion 30 has the second core portion 31 with greater rigidity therein, it can stably maintain its shape when it is in contact with the rear-closing door 4, for example.
[0031] The material forming the second core portion 31 only needs to be more rigid than the other portions of the first molded portion 30. The material forming the second core portion 31 may be, for example, a thermoplastic resin or a metal. Examples of thermoplastic resins include PE (polyethylene), PP (polypropylene), PVA (polyvinyl alcohol), PVC (polyvinyl chloride), PS (polystyrene), ABS (acrylonitrile butadiene styrene), and EVA (ethylene vinyl acetate). The thermoplastic resin may contain a reinforcing material such as glass fiber. Examples of metals include aluminum alloys and iron alloys.
[0032] The material forming the second core portion 31 may be a rubber-like elastic body such as synthetic rubber or TPE, like the other parts of the first molded portion 30. When the second core portion 31 is formed from a rubber-like elastic body, the forming material is selected so that the rigidity of the second core portion 31 is greater than that of the other parts of the first molded portion 30.
[0033] The material for forming the second core portion 31 may be a single material or a combination of two or more of these materials. From the viewpoint of achieving both lightweight and high rigidity, the material for forming the second core portion 31 is preferably a thermoplastic resin.
[0034] 4, the first extrusion 20 may have a first core 26 therein. The first core 26 is a core material having greater rigidity than other portions of the first extrusion 20. If the first extrusion 20 has the first core 26, it can stably maintain its position when in contact with the rear-closing door 4, for example. The material forming the first core 26 may be the same as the material exemplified for the second core 31, and in particular, metal is preferable from the viewpoint of maintaining the position of the first extrusion 20.
[0035] (Engagement protrusion and engagement recess) The second core portion 31 is formed with an engaging protrusion 32, part of which protrudes toward the first extrusion portion 20. The first extrusion portion 20 also has an engaging recess 24 into which the engaging protrusion 32 can be inserted.
[0036] As shown in Figure 5, the weatherstrip 10 is fixed to the front-closing door 5 by inserting the flange 5a formed on the end of the front-closing door 5 facing the rear-closing door 4 into the engagement recess 24 of the first extrusion molding portion 20 and engaging with the front-closing door 5.
[0037] When inserted into the engagement recess 24, the engagement protrusion 32 is engaged with and fixed to the engagement recess 24. There are no particular limitations on the manner in which the engagement protrusion 32 and the engagement recess 24 are fixed to each other, but for example, as shown in Fig. 4, it is preferable that the engagement recess 24 has a lip portion 25 on the inner side wall thereof that extends toward the engagement protrusion 32.
[0038] 4, the engagement recess 24 has three lip portions 25 on the inner side wall on the vehicle exterior side and one lip portion 25 on the inner side wall on the vehicle interior side. In this way, the engagement recess 24 may have multiple lip portions 25. Also, the engagement recess 24 may have only one lip portion 25.
[0039] The lip portion 25 abuts against the vehicle exterior side and / or vehicle interior side of the engaging protrusion 32 inserted into the engaging recess 24, thereby stably fixing the engaging protrusion 32 to the engaging recess 24. Furthermore, at least one of the lip portions 25 may extend obliquely toward the engaging protrusion 32 in the insertion direction of the engaging protrusion 32. If the engaging recess 24 has such a lip portion 25, it becomes easier to insert the engaging protrusion 32 into the engaging recess 24, and the fixing of the engaging protrusion 32 and the engaging recess 24 can be strengthened.
[0040] The engaging recess 24 does not have to have the lip portion 25. In this case, the engaging protrusion 32 may come into contact with the inner side wall of the engaging recess 24 and be fixed to the engaging recess 24 by frictional force. The engaging recess 24 and the engaging protrusion 32 may have a structure that allows them to engage with each other, other than the structure described above.
[0041] In the front-closing door 5, the lower end of the flange 5a is located higher than the lower end of the front-closing door 5 on the rear-closing door 4 side. The engaging protrusion 32 protrudes below the flange 5a toward the first extrusion molding portion 20 so as to have a shape that allows it to be inserted into the engaging recess 24, similar to the flange 5a. As a result, by inserting the engaging protrusion 32 into the engaging recess 24, the first extrusion molding portion 20 and the first molded portion 30 can be easily connected.
[0042] Furthermore, in conventional weatherstrips, when the first extrusion and first molded portions are separate, it is necessary to insert one end of the first extrusion into an engaging hole or the like in the first molded portion to connect them, while fastening the first extrusion to the flange of the first-close door. This type of work is difficult, requiring skilled workers and time, and presents manufacturing problems. Furthermore, in such conventional weatherstrips, there is a step at the connection between the first extrusion and first molded portions, leaving room for improvement in appearance.
[0043] On the other hand, in the weatherstrip 10 according to one embodiment of the present invention, the engaging protrusion 32 is formed so as to protrude toward the first extrusion molded portion 20, just like the flange 5a. This makes it possible to secure the weatherstrip 10 to the front-close door 5 and connect the first extrusion molded portion 20 and the first molded portion 30 through a substantially single process of inserting the flange 5a and the engaging protrusion 32 into the engaging recess 24. This makes it easy to assemble the weatherstrip 10 to the front-close door 5. Furthermore, it is easy to design the door so that there is no step between the first extrusion molded portion 20 and the first molded portion 30, resulting in an excellent appearance.
[0044] Furthermore, the first extrusion molding portion 20 has a first core portion 26 inside. It has been difficult to secure such a first extrusion molding portion 20 to the flange of the first-close door 5 while inserting and connecting it into an engaging hole or the like of the first mold molding portion, as in the past. The engaging recess 24 and the engaging protrusion 32 make it easy to connect the first extrusion molding portion 20 to the first mold molding portion 30 while fixing it to the first-close door 5, regardless of the presence or absence of the first core portion 26 and the level of rigidity.
[0045] Furthermore, with the configuration in which the engaging protrusion 32 is inserted into the engaging recess 24, even if the first extrusion molding portion 20 and the first molded portion 30 are separated, the first extrusion molding portion 20 can be easily extended up to near the bottom end of the front-closing door 5. This improves the sealing between the front-closing door 5 and the rear-closing door 4, allowing the weatherstrip 10 to exhibit excellent soundproofing properties.
[0046] In the first molded portion 30, the engaging protrusion 32 portion of the second core portion 31 is exposed. In this way, at least a part of the engaging protrusion 32 may be exposed from the first molded portion 30. "The engaging protrusion 32 is exposed" means that the engaging protrusion 32 is not covered by the material forming the portion of the first molded portion 30 other than the engaging protrusion 32. Whether the engaging protrusion 32 is inserted into the engaging recess 24 has no bearing on whether it is exposed or not.
[0047] Even if the engaging protrusion 32 is exposed, as long as the other parts of the second core 31 are mainly located inside the first mold molding part 30, it can be said that the first mold molding part 30 has the second core 31 inside.
[0048] The entire engaging protrusion 32 may be exposed from the first molded part 30. Alternatively, for example, only one side surface of the engaging protrusion 32 may be exposed from the first molded part 30, and the other side surface may be covered by the material forming the part of the first molded part 30 other than the engaging protrusion 32.
[0049] If at least a part of the engaging protrusion 32 is exposed in the first molded part 30, the engaging protrusion 32 can be easily inserted into the engaging recess 24. Furthermore, since there is no need to mold the first molded part 30 into a complex shape to match the shape of the engaging protrusion 32, the first molded part 30 can be easily manufactured.
[0050] The engaging protrusions 32 may not be exposed, and may be entirely covered by the material forming the portions of the first molded part 30 other than the second core part 31. With this configuration, even if the engaging protrusions 32 come into contact with a worker or a part, the risk of the engaging protrusions 32 damaging them can be reduced.
[0051] The engaging protrusion 32 has a groove 33 on its outer side surface. In this way, the engaging protrusion 32 may have the groove 33 on at least one of the inner side surface or the outer side surface. With such a groove 33, even if water droplets or the like enter the first molded portion 30, they can be discharged to the outside of the vehicle through the groove 33.
[0052] The groove 33 is preferably shaped such that, for example, the vehicle exterior side of the engaging protrusion 32 is recessed toward the vehicle interior side, and the vehicle interior side protrudes accordingly, so that both side surfaces of the engaging protrusion 32 are formed three-dimensionally. If such a groove 33 is provided, the engaging protrusion 32 is formed three-dimensionally rather than flatly, which makes it easier to improve the rigidity of the engaging protrusion 32. This allows the engaging protrusion 32 to be firmly fixed to the engaging recess 24. Furthermore, the risk of the engaging protrusion 32 being damaged can be reduced.
[0053] (Variation) Various variations are possible for the weatherstrip 10 according to one embodiment of the present invention. For example, the second molded portion 40 located on the upper end portion 21 side of the first extrusion molded portion 20 may be formed separately from the first extrusion molded portion 20, similar to the first molded portion 30.
[0054] In this case, the second molded portion 40 has a second core portion that is more rigid than other portions of the second molded portion 40, and the second core portion may be formed with an engaging protrusion that protrudes toward the first extrusion molded portion 20. This second molded portion 40, like the first molded portion 30, is an example of a second seal portion as defined in the claims.
[0055] According to this configuration, the first extrusion molding portion 20 and the second molded portion 40 can be formed separately in an easily connectable manner on the upper end portion 21 side of the first extrusion molding portion 20. Therefore, the manufacturing cost of the weatherstrip 10 can be reduced while ensuring good assembling properties of the weatherstrip 10 to the front-closing door 5.
[0056] Furthermore, since the second molded portion 40 is located above the front-closing door 5, it is easily visible to the user. According to the above configuration, a design can be made in which no step occurs even when the first extrusion molded portion 20 and the second molded portion 40 are connected, so that the appearance of the front-closing door 5 can be ensured to be good.
[0057] 〔summary〕 A weatherstrip according to a first aspect of the present invention is a weatherstrip provided on a double-swing door consisting of a first-swing door and a rear-swing door that closes after the first-swing door is closed, and that opens and closes an opening formed in the body of a vehicle. The weatherstrip has a first seal portion that abuts the rear-swing door when the double-swing door is closed, and a second seal portion that is located on at least one of the upper and lower end sides of the first seal portion and is formed separately from the first seal portion. The second seal portion has a greater rigidity than other parts of the second seal portion and has a second core portion formed therein with an engaging protrusion, a portion of which is convex toward the first seal portion, and the first seal portion has an engaging recess into which the engaging protrusion can be inserted.
[0058] According to the above configuration, in a double-door, the first and second seal portions of the front-closing door that abuts against the rear-closing door are formed separately, thereby reducing manufacturing costs compared to integrally molded products. Even when the first and second seal portions are formed separately, the first and second seal portions can be easily joined together by inserting the engaging protrusion of the second seal portion into the engaging recess of the first seal portion.
[0059] The second seal portion has a second core portion that is more rigid than the other portions, so the second seal portion can easily maintain its shape even when the upper or lower end of the first seal portion comes into contact with the rear-closing door.
[0060] A weatherstrip according to a second aspect of the present invention is the weatherstrip of the first aspect, wherein at least a portion of the engaging protrusion is exposed from the second seal portion.
[0061] According to the above configuration, at least a portion of the engaging protrusion is exposed from the second seal portion, which increases the degree of freedom in designing the shape of the portion to be inserted into the engaging recess, and also makes it easier to manufacture the second seal portion.
[0062] A weatherstrip according to a third aspect of the present invention is the weatherstrip of the first or second aspect, wherein the engaging protrusion has a groove on at least one of the vehicle interior side surface and the vehicle exterior side surface.
[0063] According to the above configuration, the engaging protrusion has a groove, which allows water droplets and the like that have entered the second seal portion to be easily drained through the groove. In addition, the groove gives the engaging protrusion a three-dimensional shape, which makes it easy to improve the rigidity of the engaging protrusion.
[0064] A weatherstrip according to a fourth aspect of the present invention is any one of the first to third aspects, wherein the first seal portion has a first core portion therein that is greater in rigidity than other portions of the first seal portion.
[0065] According to the above configuration, the first seal portion has a first core portion that is more rigid than the other portions. While this type of first seal portion is likely to maintain its position when it abuts against a rear-closing door, it is difficult to assemble it to a front-closing door. Even with this type of first seal portion, it can be easily assembled to a front-closing door and connected to the second seal portion by inserting the engaging protrusion into the engaging recess of the second seal portion.
[0066] A weatherstrip according to a fifth aspect of the present invention is the weatherstrip of any one of the first to fourth aspects, wherein the engaging recess may have a lip portion on an inner side wall thereof that extends toward the engaging protrusion.
[0067] According to the above configuration, the engaging recess has a lip portion, which allows the engaging protrusion to be firmly fixed by the engaging recess while maintaining good insertability of the engaging protrusion into the engaging recess. [Explanation of symbols]
[0068] 1. Body 2 aperture 3 Double doors 4. After closing the door 5-way closing door 5a flange 10 Weatherstrip 20 First extrusion molding section (first seal section) 21 Upper end 22 Lower end 23 Hollow seal part 24 Engagement recess 25 Lip 26 First core 30 First mold forming section (second seal section) 31 Second core 32 Engagement protrusion 33 Groove 40 2nd mold molding section 50 Second extrusion molding section 60 Door Trim
Claims
1. A double-opening door that is configured by a first-closing door and a rear-closing door that closes after the first-closing door is closed, and that covers an opening formed in a vehicle body in an openable and closable manner, the first-closing door is provided with a weather strip, a first seal portion that contacts the rear closing door when the double door is closed; a second seal portion located at least one of an upper end side and a lower end side of the first seal portion and formed separately from the first seal portion; the second seal portion has a second core portion therein, the second core portion having a greater rigidity than other portions of the second seal portion and an engaging protrusion portion formed therein, the engaging protrusion portion being partly protruding toward the first seal portion; A weather strip, wherein the first seal portion has an engaging recess into which the engaging protrusion can be inserted.
2. The weather strip according to claim 1 , wherein at least a portion of the engaging protrusion is exposed from the second seal portion.
3. 2. The weather strip according to claim 1, wherein the engaging protrusion has a groove on at least one of an inner side surface and an outer side surface of the vehicle.
4. 4. The weather strip according to claim 1, wherein the first seal portion has therein a first core portion having a greater rigidity than other portions of the first seal portion.
5. 4. The weather strip according to claim 1, wherein the engaging recess has a lip portion on an inner side wall thereof, the lip portion extending toward the engaging protrusion.