JPH04119714U - Weather strip for car doors - Google Patents

Abstract

(57) [Summary] [Purpose] The main purpose of the present invention is to prevent defects such as the corner-shaped molded portion of the weather strip being deformed or displaced due to opening and closing of the door. [Structure] In the corner molded part 16 of the weather strip 15 used for the corner part 1a of the door 1, a plate-shaped solid rubber is used for the mounting seat 33, and the other parts, such as the main part 32 and the lip 30, are made of sponge. Molded by injection vulcanization using rubber. The solid rubber used for the mounting seat 33 is integrated with the main portion 32, lip 30, etc. This corner molded part 16 is integrated with an extrusion molded part 17 made of sponge rubber.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a weather strip installed around the door of an automobile.

0002

[Conventional technology]

As illustrated in FIG. 11, a weather strip 2 used for a car door 1 is , is attached along the outer periphery of the door 1. The weather strip 2 shown in FIG. An example of the cross section shows the lip 3 for sealing, the hollow lip 4, and the weather strip of the door 1. A mounting seat 7 is provided which is fixed to the pool holder 6. Weatherstrip 2 is required Accordingly, appropriate locations are fixed to the door 1 using clips 8, adhesive, or the like.

0003 The above weather strip 2 is a corner type used for the corner portion 1a of the door 1. From the molding part 10 and the extrusion molding part 11 used for parts other than the corner part 1a. Become. The extrusion molded part 11 is a long extrusion molded product made of sponge rubber. , is bent into a shape along the outer periphery of the door 1. On the other hand, the corner molded part 10 is Sponge rubber is injected with the end of the extrusion molded part 11 set in a corner mold. By compression vulcanization molding, it is molded into the shape shown in FIG. 13. The corner molding section 10 and the extrusion molding section 11 perform injection vulcanization molding. During the process, they are bonded to each other at the joint 12 and become integral.

0004

[Problem that the idea aims to solve]

A typical door 1 is supported by a hinge 13 so as to be rotatable around a vertical axis. . For this reason, the door weather strip 2 is attached to the hinge 13 side when the door 1 is closed. There is a tendency to be compressed from Therefore, the weather strip made of sponge rubber If the door 1 is opened and closed repeatedly, the corner of the door 2, which is relatively easy to bend, will bend. A load is applied to the mold forming part 10 in the direction indicated by arrow F in FIG. Make sure that the lip 3 near the corner does not shift or wrinkle as shown by the two-dot chain line. This will adversely affect the appearance and sealing properties.

[0005] In order to deal with such problems, the mounting seat 7 in the corner molded part 10 Appropriate clips, adhesives, or adhesive tapes are also used in combination. However, this increases man-hours and costs. Moreover, it is like the conventional weather strip 2. Those made entirely of sponge rubber have moderate flexibility and good sealing properties. On the other hand, it may be difficult to fit the holding part 6 at the corner part 1a etc. However, there was room for improvement regarding installation workability.

[0006] Therefore, the purpose of this invention is to maintain the position of the corner part even if the door is repeatedly opened and closed. This prevents misalignment and deformation of the lip, and also improves the workability of installing it on the door. Our objective is to provide weather strips for doors.

[0007]

[Means to solve the problem]

The weather strip of this invention developed to fulfill the above purpose is for sealing. The main part where the lip is provided, the mounting seat that is fixed to the weather strip holding part of the door, and A weather strip for doors with Consists of a corner molded part and an extrusion molded part used for areas other than the corner parts mentioned above. , a plate-shaped non-protrusion is attached to the mounting seat or lip of the corner molded part. Using foam solid rubber, other parts are vulcanized by injection of sponge rubber. It is integrally formed by molding.

[0008]

[Effect]

The weather strip of this invention is made of solid rubber used in the corner molding. This gives appropriate rigidity to the corner molded part. Other areas are spots. The rubber provides appropriate flexibility and good sealing performance. door opens and closes As a result, a force is applied to the corner molded part in a direction that causes positional deviation. However, the appropriate hardness of solid rubber ensures that the corner molding is in place. The shape of the lip is maintained. In this way, the appropriate hardness Weatherstrips with inner-shaped moldings have traditionally been considered relatively difficult to install. It is also easy to install on the corners that were previously used.

[0009]

【Example】

A first embodiment of the present invention will be described below with reference to FIGS. 1 to 6. The door weather strip 15, a part of which is shown in FIG. The corner molded part 16 used for the corner part 1a and the part other than the corner part 1a It consists of a long extrusion molded part 17 used at a certain point. The extrusion molding part 17 is It is an extrusion molded product made of rubber and has the same cross section in each longitudinal direction. It is bent into a shape along the outer periphery of the door 1. Cross-sectional shape of extruded portion 17 As an example is shown in Fig. 2, the shape is provided with a sealing lip 20 and a hollow lip 21. a main part 22 that can be mounted, and a mounting seat 2 that is fixed to the weatherstrip holding part 6 of the door 1. It is equipped with 3 etc.

0010 The cross-sectional shape of the corner molded part 16 is basically the same as that of the extrusion molded part 17. . That is, as shown in FIG. 3, a sealing lip 30 and a hollow lip 31 are provided. It integrally includes a main part 32 that can be mounted, a mounting seat 33, etc., and a corner type 40 to be described later. It is molded into a predetermined shape by injection vulcanization molding.

[0011] A plate-shaped non-foamed solid rubber is used for the mounting seat 33 of the corner molded part 16. It is being said. The main portion 32 and lips 30, 31 are made of spongy material similar to the extruded portion 17. Consists of di-gum. As shown in FIG. 4, the mounting seat 33 is attached to the weather strip of the door 1. It is fitted into the plastic holding part 6.

0012 The plate-shaped solid rubber used for the mounting seat 33 is made of raw material as shown in Figure 5. This is a bent rubber plate 35. This rubber plate 35 is set in a predetermined position in the inner mold 40. Press the corner mold 40 in advance. With the ends 17a and 17b of the molded part 17 set, insert the rubber containing the foaming agent. Injection vulcanization molding. By doing this, the lip made of sponge rubber The plates 30, 31 and the main part 32 are vulcanized together with the mounting seat 33 made of solid rubber. The corner-shaped molded part 16 of a predetermined shape is formed by bonding, and this coat is The inner molded part 16 is integrated with the extrusion molded part 17 at the joint part 41 .

[0013] The weather strip 15 having the above configuration is suitable for mounting on the mounting seat 33 made of solid rubber. Due to its hardness, it is difficult to fit the weather strip 15 into the holding part 6. water. In addition, in the usage state where the weather strip 15 is attached to the door 1, Due to repeated opening and closing of the door 1, the weather strip 15 may be damaged in the direction of arrow F in FIG. Even if a load is applied in the opposite direction, the weather strip 15 is maintained due to the rigidity of the mounting seat 33. It is firmly fixed to the portion 6, and problems such as misalignment and deformation of the lip 30 do not occur. . And the lips 20, 30 and hollow lips 21, 31 are made of sponge rubber. , exhibits moderate flexibility and good sealing performance.

[0014] 7 to 10 show a second embodiment of the present invention. In this example, the remote A plate-shaped solid rubber is used for the tip 50. Parts other than lip 50 That is, the mounting seat 51, main portion 32, and hollow lip 31 are made of sponge rubber. . In the case of this second embodiment, a raw rubber for lips made in the shape shown in FIG. Set the mold plate 52 at a predetermined position on the corner mold 40 as illustrated in FIG. 10, Solid rubber is produced by injection vulcanization molding of rubber containing a foaming agent. a lip 50 made of foam, a mounting seat 51 made of sponge rubber, a main part 32, and a hollow The lip 31 is integrally molded to obtain the corner molded part 16. This injector At the time of vulcanization molding, the corner molded part 16 and the extrusion molded part 1 are separated at the joint part 41. 7 are joined together. The extrusion molded part 17 is an extrusion molded product made of sponge rubber. It is.

[0015] In the second embodiment having such a configuration, since the lip 50 has appropriate hardness, This makes the lip 50 less likely to deform, and prevents the lip 50 from becoming wrinkled during use. It is possible to prevent the corner molded part 16 from deforming or misaligning. This problem is also avoided. Therefore, good appearance and sealing performance can be maintained. In addition, The workability of attaching to the holding portion 6 is also improved.

[0016] In addition, the specific details of each part including the corner molding part 16 and the extrusion molding part 17 are as follows. The cross-sectional shape may be changed as appropriate without departing from the gist of the invention. Needless to say. In addition, the corner molded part of the present invention is the corner part 1a of the illustrated example. It can also be used for other door corners.

[0017]

[Effect of the idea]

According to the present invention, the corner-shaped molded part of the door weather strip Problems such as misalignment or deformation or wrinkles on the lip when opening and closing It has excellent appearance and sealing properties, and provides appropriate rigidity. It also improves the workability of installing weather strips at the corner portions of doors.

[Brief explanation of drawings]

FIG. 1 is a front view of a portion of a weather strip showing a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of the extruded portion taken along line II-II in FIG. 1.

FIG. 3 is a sectional view of the corner molded portion taken along line III-III in FIG. 1;

FIG. 4 is a sectional view of the weather strip shown in FIG. 1 attached to a door.

FIG. 5 is a perspective view of solid rubber used in the weather strip shown in FIG. 1;

FIG. 6 is a cross-sectional view schematically showing the corner mold for weather stripping shown in FIG. 1;

FIG. 7 is a front view of a portion of a weather strip showing a second embodiment of the present invention.

FIG. 8 is a sectional view of the weather strip shown in FIG. 7 attached to a door.

9 is a perspective view of solid rubber used in the weather strip shown in FIG. 7. FIG.

10 is a cross-sectional view schematically showing the corner mold for weather stripping shown in FIG. 7. FIG.

FIG. 11 is a perspective view showing a door and weather stripping.

FIG. 12 is a sectional view of a conventional door weather strip.

FIG. 13 is a front view of a portion of a conventional door weather strip.

[Explanation of symbols]

15... Weather strip, 16... Corner molded part, 1
7... Extrusion molded part, 30... Lip, 32... Main part, 33...
Mounting seat, 40... Corner type, 50... Lip, 51... Mounting seat.

──────────────────────────────────────────────── ─── Continued from the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location E06B 7/23 P 8705−2E // B29L 31:58 4F

Claims (2)

[Scope of utility model registration request] 1. A weather strip for a door, comprising a main part provided with a sealing lip and a mounting seat fixed to a weather strip holding part of the door, the weather strip having a corner molded part used in a corner part of the door; It consists of an extrusion molded part used in places other than the corner part, and a plate-shaped non-foamed solid rubber is used for the mounting seat in the corner molded part, and the main part and lip made of sponge rubber are made by injection molding. A weather strip for an automobile door, characterized in that the mounting seat and the extruded part are integrated by sulfur molding. 2. A weather strip for a door, comprising a main part provided with a sealing lip and a mounting seat fixed to a weather strip holding part of the door, the weather strip having a corner molded part used in a corner part of the door; The lip of the corner molded part is made of plate-shaped non-foamed solid rubber, and the main part made of sponge rubber and the mounting seat are injected. A weather strip for an automobile door, characterized in that the lip and the extrusion molded portion are integrated by vulcanization molding.