JP2007223484A - Attaching structure for door weather strip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attaching structure for a door weather strip which improves the appearance without increasing the door closing force. <P>SOLUTION: In this attaching structure for the door weather strip 10, the door weather strip is constituted of a car external weather strip 20 and a car internal weather strip 30, and a connecting section 40. The car external weather strip 20 is constituted of a car external attaching base section 21 and a car external seal section 22. The car external seal section 22 is formed into a lip shape, and on the surface facing a door molding 50 on the distal end, a flat surface like car external seal section distal end slope 23 is formed. On the upper end of a retainer car external side section 56 of the door molding 50, a hook-like retainer car external fastening section 56b is formed. On the surface facing the car external seal section, a flat surface like retainer car external distal end slope 56c is formed. The car external seal section distal end slope 23 and the retainer car external fastening section distal end slope 56c are formed in a manner to be opposite approximately in parallel or come into contact with each other when the door is closed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a mounting structure for a door weather strip for an automobile that seals between the door of the automobile and the periphery of a vehicle body opening.

  As shown in FIG. 5, the seal between the door 1 of the automobile and the peripheral edge 6 of the vehicle body is provided on the door weather strip 110 attached to the outer peripheral portion of the door 1 and / or the flange 6a of the peripheral edge 6 of the vehicle body opening. The opening weather strip 130 is attached. The door 1 includes a door body and a door frame 2. Further, the seal between the door glass 5 and the door frame 2 is made by a glass run 120 attached to the channel 3 on the inner periphery of the door frame 2.

That is, the glass run 120 is attached to the channel 3 and accommodates the end portion of the door glass 5 inside the main body having a substantially U-shaped cross section including the vehicle outer side wall 121, the bottom wall 122 and the vehicle inner side wall 123. Further, the door glass 5 is sandwiched between the vehicle outer side seal lip 124 and the vehicle inner side seal lip 125 that are extended from the front ends of the vehicle outer side wall 121 and the vehicle inner side wall 123 and are brought into contact with the vehicle outer side surface and the vehicle inner side surface. It is sealed.
The opening weather strip 130 attached to the vehicle body opening periphery 6 is attached to the flange 6a of the vehicle body opening periphery 6 by a trim portion 131 having a substantially U-shaped cross section, and the hollow seal portion 132 is attached to the door frame 2 or the like. The gap between the door 1 and the periphery 6 of the vehicle body opening is sealed against the inner surface.

  The door weather strip 110 attached to the outer peripheral portion of the door frame 2 of the door 1 includes an attachment base portion 111 and a hollow seal portion 114 and a seal lip portion 116 integrally formed on the upper surface thereof. The mounting base 111 is fitted into a retainer 150 provided on the outer periphery of the door frame 2 and is fixed to the door frame 2. The hollow seal portion 114 and the seal lip portion 116 are in contact with the vehicle inner side and the vehicle outer side of the vehicle body opening peripheral edge 6 of the vehicle body for sealing.

Further, in the hidden type door frame 2 shown in FIG. 6, a door molding 250 is attached to the side edge of the door frame 2 on the outside of the vehicle so as to cover and decorate the front end of the door frame 2 and to be integrated with the door molding 250. The door weather strip 210 is attached to the retainer portion 255 (see, for example, Patent Documents 1 and 2).
The door weather strip 210 includes an exterior weather strip 220 that seals the exterior side of the door frame 2, an interior weather strip 230 that seals the interior side, an exterior weather strip 220, and an interior weather strip 230. It is comprised from the connection part 240 which connects.

The exterior weather strip 220 includes an exterior mounting base 221 that is held by the retainer portion 255 and a lip-shaped exterior seal portion 222 that abuts against the periphery 6 of the vehicle body opening.
FIG. 7 shows the relationship between the vehicle exterior seal portion 222 and the door molding 250 when the door is closed.

In FIG. 7A, since the width (l) on the vehicle exterior side, which is the design surface of the door molding 250, is narrow, the vehicle exterior seal portion 222a does not contact the upper end of the door molding 250 when the door is closed. Since the width (l) on the outside of the vehicle is narrow, the design surface is reduced, and the distance between the upper end of the door molding 250 and the vehicle body opening edge 6 is increased, which is not preferable in terms of design.
On the other hand, as shown in FIG. 7B, when the width (h) of the door molding 250 on the outside of the vehicle is widened, the upper end of the door molding 250 becomes higher, and when the door is closed, the outer sealing portion 222a hits the upper end of the door molding 250. When the contact occurs, the door closing force may increase.

  Further, as shown in FIG. 7C, it is conceivable that a step is provided at the tip of the vehicle outer side seal portion 222b so as not to contact the upper end of the door molding 250. If the front end of the vehicle exterior seal portion 222b strongly contacts the vehicle body opening peripheral edge 6 when the door is opened or closed due to variations in the installation of the door due to the rigidity of the front end of the front end being wavy, Therefore, it may be reversed and the appearance may deteriorate.

JP-A-2005-178455 Japanese Patent Laid-Open No. 2002-307952

  Therefore, an object of the present invention is to provide a door weather strip mounting structure with a good appearance around the door frame without increasing the door closing force.

In order to solve the above-mentioned problems, the present invention of claim 1 is directed to a door weather strip for sealing a door weather strip that seals between a door of an automobile and a peripheral edge of a vehicle body opening to a door molding provided on the outer periphery of the door frame of the door. In the mounting structure of the strip,
The door weather strip is attached to the outer side of the door frame and seals between the door frame and the outer side of the vehicle body opening, and is attached to the inner side of the door frame. The vehicle interior weather strip that seals between the vehicle interior opening periphery and the vehicle interior weather strip, and the vehicle exterior weather strip and the vehicle interior weather strip are integrally connected,
The exterior weather strip includes an exterior mounting base that is attached to a retainer portion of a door molding that is mounted on the outside of the outer periphery of the door frame, and an exterior side end and a door frame that are formed integrally with the exterior mounting base and that are formed at the periphery of the vehicle body opening. And a vehicle outer seal portion that seals between
The vehicle exterior seal portion is formed in a lip shape, and the surface facing the door molding at the tip of the vehicle exterior seal portion is formed with a flat vehicle exterior seal portion tip slope.
The door molding is configured integrally with a molding portion that forms the exterior design surface of the door and a retainer portion that holds the exterior mounting base of the door weather strip. The retainer portion includes the retainer vehicle outer side portion, the retainer bottom portion, and the retainer bottom portion. Forms a substantially U-shaped cross section with the bottom formed from the inner side of the retainer car, and the upper back of the molding part also serves as the outer side of the retainer car, with the upper end of the retainer car facing toward the inside of the car A cage-shaped retainer vehicle outer side locking portion is formed, holds the vehicle outer side end of the vehicle outer side mounting base, and faces the vehicle outer side seal portion of the retainer vehicle outer side locking portion on a flat retainer vehicle outer side front end. The door weather strip mounting structure is formed such that a slope is formed, and when the door is closed, the leading end slope of the outer seal part and the leading end slope of the retainer car outer locking part are opposed or abutted substantially in parallel. .

  In the first aspect of the present invention, the door weather strip is attached to the vehicle exterior side of the door frame and seals between the door frame and the vehicle exterior of the periphery of the vehicle body opening, and the vehicle of the door frame. A vehicle interior weather strip that is attached to the inside and seals between the door frame and the vehicle interior at the periphery of the vehicle body opening, and a connecting portion that integrally connects the vehicle exterior weather strip and the vehicle interior weather strip. ing. For this reason, the height of the door weather strip can be lowered by separating the positions of the vehicle interior weather strip and the vehicle exterior weather strip, and the gap between the door frame and the periphery of the vehicle body opening can be narrowed. And can be double sealed.

  The exterior weather strip includes an exterior mounting base that is attached to a retainer portion of a door molding that is mounted on the outside of the outer periphery of the door frame, and an exterior side end and a door frame that are formed integrally with the exterior mounting base and that are at the periphery of the vehicle body opening. And a vehicle outer side seal portion that seals between the two. For this reason, when the vehicle outer side mounting base portion is mounted on the retainer portion of the door molding, the vehicle outer side seal portion can be brought into contact with the periphery of the vehicle body opening to seal between the door frame and the vehicle body.

  The vehicle exterior seal portion is formed in a lip shape, and the vehicle exterior seal portion tip slope is formed in a plane on the surface facing the door molding at the tip of the vehicle exterior seal portion. For this reason, at the time of opening and closing the door, while flexibly flexing, it becomes slow to contact the tip of the door molding as will be described later, and without increasing the door closing force, ensuring the thickness of the tip of the vehicle outer seal portion, It is possible to prevent the outside seal portion from being easily reversed.

In the door molding, since the molding part that forms the exterior design surface of the door and the retainer part that holds the exterior mounting base part of the door weather strip are integrally formed in a substantially T shape, the retainer part is attached to the door frame. By doing so, the molding part can be attached at the same time.
The retainer portion has a substantially U-shaped cross section with a widened bottom formed from the retainer vehicle outer side, the retainer bottom, and the retainer vehicle inner side. It can be held securely.

  The upper rear surface of the molding portion also serves as the outer side portion of the retainer vehicle, and the upper end of the retainer vehicle outer side portion is formed with a hook-like retainer vehicle outer side locking portion toward the vehicle inner side. Hold the outer edge. For this reason, the structure of the door molding is simplified, and the door molding can be easily manufactured by extrusion molding or the like. Moreover, the vehicle outer side end of the vehicle outer mounting base can be reliably held by the hook-shaped retainer vehicle outer side locking portion.

Retainer wheel outer front end slope is formed on the surface of the retainer wheel outer side locking part facing the outer side seal part, and when the door is closed, the vehicle outer side seal part front end slope and the retainer car outer side locking part front end slope face each other in parallel. Or it formed so that it might contact | abut. Therefore, when the door is closed, even if the vehicle outer side seal portion is pushed to the periphery of the vehicle body opening and bends in the direction of the retainer vehicle outer side locking portion, the retainer vehicle outer side locking portion has no corners, and the vehicle outer side sealing portion Due to the tip slope, the distance until the vehicle outer side seal portion comes into contact with the retainer vehicle outer side locking portion becomes longer, the vehicle outer side seal portion comes into contact with the retainer vehicle outer side locking portion, and the door closing force increases. Decrease.
In addition, when the vehicle exterior mounting base is mounted on the retainer, the vehicle exterior side end of the vehicle exterior mounting base can slide on the slope of the vehicle exterior seal, and the vehicle exterior mounting base can be easily fitted into the retainer. Can be included.

  The present invention of claim 2 is the door weather strip mounting structure in which the vehicle exterior seal portion is formed in a crescent-shaped cross section that is convexly curved in the direction of the retainer portion.

  In the present invention of claim 2, since the vehicle exterior seal portion is formed in a crescent-shaped cross section that is convexly curved in the direction of the retainer portion, the front end of the vehicle exterior seal portion is the vehicle body opening periphery or the vehicle body opening periphery when the door is closed. It is possible to make a line seal by abutting against the body molding attached to the vehicle, and the sealing performance is good. Further, the inclination angle of the tip end slope of the vehicle outer side seal portion can be reduced with respect to the vehicle side seal portion, and the thickness of the tip of the vehicle side seal portion can be increased.

  According to the third aspect of the present invention, the door weather strip is attached in advance to the door molding rotator portion provided on the outer periphery of the upper side of the door frame of the door, and the door weather strip is attached to the door frame integrally with the door molding. Structure.

  In the present invention of claim 3, the door weather strip is previously attached to a retainer portion of the door molding provided on the outer periphery of the upper side of the door frame of the door, and is attached to the door frame integrally with the door molding. For this reason, the door molding is not fixed, and it is easy to move the door molding with respect to the door weather strip and to fit the mounting base of the door weather strip into the retainer portion of the door molding while deforming.

  According to a fourth aspect of the present invention, the door weather strip has a door weather strip mounting structure comprising an extruded portion having a central portion formed by extrusion molding and a molded portion having both ends formed by molding. It is.

  According to the fourth aspect of the present invention, the door weather strip is composed of an extrusion molding portion in which the central portion in the longitudinal direction is formed by extrusion molding and a molding portion in which both ends in the longitudinal direction are formed by molding. The shape of the molded portions at both ends in the longitudinal direction can be formed so as to be easily locked to both ends in the longitudinal direction of the retainer portion, and the central portion can be quickly and easily molded by extrusion molding.

  According to the fifth aspect of the present invention, the vehicle exterior seal portion is formed in a lip shape and is mounted on the vehicle exterior outer periphery of the door frame, the vehicle interior weather strip has a hollow seal portion, and the vehicle interior outer periphery of the door frame. It is the attachment structure of the door weather strip with which it is mounted | worn.

In the present invention of claim 5, the vehicle outer side seal portion is formed in a lip shape and is mounted on the vehicle frame outer periphery of the door frame, the vehicle interior weather strip has a hollow seal portion, and the vehicle interior outer periphery of the door frame. It is attached to. For this reason, since the vehicle exterior seal portion is formed in a lip shape and is mounted on the vehicle outer periphery of the door frame, the vehicle exterior seal portion can be flexibly brought into contact with the vehicle exterior at the periphery of the vehicle body opening and sealed.
The car interior weatherstrip has a hollow seal part and is attached to the car frame outer periphery of the door frame. Therefore, even if the dimensions of the car interior part at the periphery of the vehicle body opening vary, the car interior weatherstrip can reliably contact and seal Sex can be secured.

  According to the sixth aspect of the present invention, the vehicle exterior mounting base of the vehicle exterior weather strip of the door weather strip is formed of a solid material, and the vehicle exterior seal portion of the vehicle exterior weather strip and the vehicle interior weather strip are made of sponge material. It is the attachment structure of the door weather strip formed in.

  In the present invention of claim 6, the vehicle exterior mounting base of the vehicle exterior weather strip is formed of a solid material, and the vehicle exterior seal portion and vehicle interior weather strip of the vehicle exterior weather strip are formed of a sponge material. The outside mounting base can be securely held by the retainer part of the door molding, and the outside seal part is held, and the outside seal part and inside weather strip have flexibility, and the periphery of the vehicle body opening The door closing force can be reliably sealed, and the door closing force can be reduced as compared with that made of a solid material.

In the present invention, the vehicle outer side seal portion is formed in a lip shape, and the surface facing the door molding at the front end is formed with a flat slope on the front end of the vehicle outer seal portion, so that it contacts the front end of the door molding when the door is closed. Therefore, without increasing the door closing force, it is possible to secure the thickness of the tip of the vehicle exterior seal portion and prevent the vehicle exterior seal portion from easily reversing.
A flat retainer vehicle outer tip slope is formed on the surface of the retainer vehicle outer locking portion facing the outer seal portion, and when the door is closed, the vehicle outer seal tip slope and the retainer vehicle outer locking tip slope are approximately Since it is formed so as to face or abut in parallel, even when the door is closed, the outer seal part is retained by the retainer car outer engagement even if the outer seal part is pushed toward the periphery of the vehicle body opening and bent toward the retainer car outer locking part. The distance until it comes into contact with the stop becomes longer, and the increase in the door closing force decreases.

An embodiment of the present invention will be described with reference to FIGS.
FIG. 3 is a perspective view of the automobile as viewed obliquely from the rear. As shown in FIG. 3, a door frame 2 is provided on an upper portion of a door 1 of an automobile, and a door glass 5 is attached to the inner peripheral side thereof so as to be movable up and down. A door weather strip 10 is attached to the outer periphery of the door frame 2 to seal between the door 1 and the periphery 6 of the vehicle body opening.
As shown in FIG. 2, a channel is provided on the inner periphery of the door frame 2, and a glass run 60 is attached in the channel to guide the raising and lowering of the door glass 5, and the door glass 5, the door frame 2, The space between them is sealed.

1, 2 and 4 are views of a door weather strip 10 according to an embodiment of the present invention, and FIG. 4 is a front view of the entire door weather strip 10.
The door weather strip 10 of the present invention will be described taking the door weather strip 10 mounted on the upper side of the front door as an example. As shown in FIG. 4, the door weather strip 10 is attached to the upper side of the door frame 2 and has a substantially arcuate shape. The linear portion at the center in the longitudinal direction is formed into an elongated shape by extrusion to form an extruded portion 11, and the portions corresponding to the corner portions of the door frame 2 at both ends in the longitudinal direction are formed by molding. Is forming. The molded part is indicated by hatching in FIG. A door weather strip formed separately can be attached to the outer peripheral portion other than the upper side of the door frame 2.

The front side mold forming part 12 attached to the front side corner part of the door frame 2 is indicated by a hatched portion in FIG. At the front end of the front-side mold forming portion 12, a front-side extension portion 14 is provided that seals between the front-side vertical side portion of the vehicle body opening periphery 6 and the front-side vertical side portion of the door 1.
The rear side mold forming portion 13 attached to the corner portion bent at a substantially right angle on the rear side of the door frame 2 is also indicated by a hatched portion in FIG.

FIG. 2 is a sectional view of the extruded portion 11 when the door is closed when the door weather strip 10 of the present invention is mounted on the door frame 2. Is also indicated by a two-dot chain line. FIG. 1 is a detailed view of the mounting structure of the door weather strip 10 and the door molding 50, showing a sectional view of the door weather strip 10, and the door molding 50 and the like are indicated by a two-dot chain line.
In this embodiment, the door frame 2 to which the door weather strip 10 of the present invention is attached will be described by taking a so-called hidden type as an example.

A glass run 60 is attached to the inner periphery of the door frame 2 to guide the raising and lowering of the door glass 5 and seal between the door glass 5 and the door frame 2. The glass run 60 is held by a channel-shaped recess formed by a door molding 50 and a door frame 2 described later.
A separate opening weather strip 70 is attached to the flange 6a on the inner side of the periphery 6 of the vehicle body opening, and the hollow seal portion abuts against the bulging portion of the door frame 2, so that the periphery 6 of the vehicle body opening and the door Seal between frame 2.

  The hidden-type door frame 2 has a narrow width at the front end of the vehicle, and the front end of the door frame 2 is covered with a door molding 50 attached to the outer periphery of the door frame 2 so that it cannot be seen from the outside of the vehicle. Has been. The door molding 50 is formed integrally and continuously from the molding part 51 and the retainer part 55.

The molding part 51 covers the front end of the door frame 2 and has a predetermined width so as to form a design surface, and the lower front end is bent. The glass run 60 is held between the bent portion and the door frame 2.
Similarly, the upper end of the molding 51 is bent to hold the door weather strip 10 as will be described later.
A retainer portion 55 extends substantially in a T shape from the back side (inside surface of the vehicle) of the molding portion 51 to the inside of the vehicle. The molding part 51 and the retainer part 55 can be integrally formed by extrusion or can be formed by bending one sheet metal.

  The retainer portion 55 is formed in a substantially U shape with a cross-sectional shape spreading out at the bottom, and on the upper back surface of the molding portion 51, a retainer vehicle outer side portion 56 that also serves as the molding portion 51 and integrally forms a vehicle outer wall. And a retainer vehicle inner side portion 57 that forms a vehicle inner wall, and a retainer vehicle outer side portion 56 and a retainer vehicle inner side portion 57 that are connected to each other to form a bottom wall. The tip of the retainer wheel inner side portion 57 is bent in a hook shape in cross section.

  As shown in FIG. 1, the retainer vehicle outer side portion 56 is formed integrally with the upper back surface of the molding portion 51. The front end of the retainer vehicle outer side portion 56 protrudes like a bowl in the inward direction to form a retainer vehicle outer side locking portion 56b, and the surface of the upper surface of the retainer vehicle outer side locking portion 56b that faces the front end of the vehicle outer side seal portion 22 is An inclined planar retainer wheel outer side locking portion inclined surface 56c is formed. The retainer vehicle outer side locking portion inclined surface 56c is formed so as to oppose or abut substantially parallel to the vehicle outer seal portion front end inclined surface 23 of the vehicle outer seal portion 22 of the door weather strip 10 described later when the door is closed. .

The vehicle inner side of the outer periphery of the door frame 2 is extended in a planar shape from the vehicle outer side to which the retainer portion 55 is attached, and further forms a bulging portion of the door frame 2 together with the reinforcing panel.
As shown in FIG. 2, the cross-sectional shape of the extruded portion 11, which is the central portion in the longitudinal direction of the door weather strip 10, is the outer weather strip 20, the inner weather strip 30, and the outer weather strip 20. And the vehicle interior weather strip 30 are connected to each other. Therefore, the positions of the outer weather strip 20 and the inner weather strip 30 can be laterally separated to reduce the overall height of the door weather strip 10, and the door frame 2 and the vehicle body opening periphery. The gap between 6 can be narrowed and double sealing can be performed.

The outside weather strip 20 is attached to the outside of the outer periphery of the door frame 2, that is, to the retainer portion 55 described above, and seals the front end portion on the outside of the vehicle between the door frame 2 and the vehicle body opening peripheral edge 6.
The interior weather strip 30 has a hollow cross section, and the front end is held by the interior of the outer periphery of the door frame 2, that is, the extension portion of the door frame 2 described above. Abutting on the inner part of the opening periphery 6, the inside of the vehicle between the door frame 2 and the vehicle body opening periphery 6 is sealed. For this reason, even if the dimension of the vehicle interior side part of the vehicle body opening peripheral edge 6 varies, it can be surely brought into contact, and the sealing performance can be ensured. In addition, the vehicle exterior weather strip 20 and the vehicle interior weather strip 30 can double seal.

  The exterior weather strip 20 is formed of an exterior mounting base 21 and an exterior seal portion 22. The vehicle exterior mounting base portion 21 is formed in a substantially flat plate shape and is fitted into the retainer portion 55 described above. A first mounting base lip 25 is formed at the vehicle outer side end of the vehicle outer side mounting base 21 so as to be elastically deformable, and is held by the retainer wheel outer side portion 56 of the retainer portion 55. A second mounting base lip 26 thicker than the first mounting base lip 25 is formed at the vehicle inner side end of the vehicle outer mounting base 21 and is elastically held by the retainer vehicle inner side 57.

  The vehicle exterior seal portion 22 is formed in a lip shape, and is formed in a crescent cross section that is convexly curved in the direction of the retainer portion 55. When the door is closed, it contacts the vehicle body molding 7 attached to the side edge of the vehicle body opening periphery 6 on the vehicle outer side, and seals between the vehicle body opening periphery 6 and the door 1. When the vehicle body molding 7 is not attached, the vehicle outer side seal portion 22 directly contacts and seals the vehicle body opening periphery 6.

As shown in FIG. 1, the vehicle outer side seal portion 22 is formed in a crescent-shaped cross section that is convexly curved in the direction of the retainer portion 55, so that when the door is closed, the front end of the vehicle outer side seal portion 22 Abutting on the vehicle body molding 7 attached to the peripheral edge 6 of the opening can be line-sealed, and the sealing performance is good.
A surface facing the door molding 50 at the front end of the vehicle outer side seal portion 22 is a flat surface, and an inclined vehicle outer side seal portion front end inclined surface 23 is formed. The vehicle outer side seal portion front end inclined surface 23 is formed to face the retainer vehicle outer side engaging portion inclined surface 56c substantially in parallel with the door when the door is closed.

Since the front end slope 23 of the vehicle outer side seal portion and the front end of the retainer vehicle outer side engagement portion slope 56c are respectively formed with slopes, corner portions are not formed at the front ends. For this reason, when the door is closed, a gap is generated between the front end of the retainer vehicle outer side locking portion 56b of the door molding 50 and the front end of the vehicle outer side seal portion 22 when the door is closed. Since it contacts in parallel also when contacting, it can be made to contact late | slower than the case where a corner | angular part contacts.
In addition, the inclination angle of the front-end seal portion front-end inclined surface 23 with respect to the outer-end seal portion 22 can be reduced, and the thickness of the front end of the out-vehicle seal portion 22 can be increased. For this reason, without increasing the door closing force, it is possible to secure the thickness of the tip of the vehicle outer seal portion 22 and prevent the tip of the vehicle outer seal portion 22 from easily reversing when the door is opened and closed. .

  Further, when the vehicle outer side mounting base portion 21 is mounted on the retainer portion 55, first, the second mounting base lip 26 formed at the vehicle inner side end of the vehicle outer side mounting base portion 21 is fitted into the retainer vehicle inner side portion 57. Later, the first mounting base lip 25 formed on the side end of the vehicle outer side mounting base 21 and the side end of the vehicle outer side mounting base 21 are slid on the slope on the retainer vehicle outer side locking portion slope 56c. Fit. Therefore, installation is easy.

In this manner, as shown in FIG. 1, the door molding 50 to which the door weather strip 10 is attached in advance is attached to the front end of the door frame 2 using the U-shaped clip 80. The clip 80 is fixed to the retainer bottom 58 of the door molding 50 by a rivet 81.
The door molding 50 is fixed to the door frame 2 by the clip 80.

The vehicle exterior mounting base 21 can be formed of a material harder than other portions. When formed of a hard material, it can be firmly held by the retainer portion 55, and the position of the vehicle outer side seal portion 22 can be determined and brought into contact with a predetermined position as described above to ensure sealing performance. be able to.
The hard material can be formed from, for example, a hard rubber having an IRHD of 85 ° to 95 °. If hard rubber is used, it can be extruded simultaneously with other parts using soft rubber as described later.
When the hard material portion is formed of a solid material of EPDM rubber or olefin-based thermoplastic elastomer, a product having good weather resistance can be obtained.

  In the door weather strip 10, portions other than the hard material, that is, the vehicle outer side seal portion 22, the vehicle inner side weather strip 30 and the connecting portion 40 are made of EPDM rubber or olefin thermoplastic elastomer as a soft material. Formed of sponge material. When the hard material is formed of EPDM or an olefinic thermoplastic elastomer, the door weather strip 10 is entirely olefinic and can be used after being crushed together and recycled.

Next, a method for manufacturing the door weather strip 10 will be described.
In molding the linear portion of the door weather strip 10, synthetic rubber, thermoplastic elastomer, or soft synthetic resin is used as the molding material. For example, EPDM rubber is used for synthetic rubber, polyolefin-based elastomer is used for thermoplastic elastomer, In the soft synthetic resin, soft vinyl chloride or the like is used. In order to improve flexibility, it is preferable to foam these materials and use them as sponge materials.
In the case of synthetic rubber, it is conveyed to a vulcanizing tank after extrusion molding and heated by a normal method to be vulcanized and foamed. Thereafter, it is cut to a predetermined length to produce an extruded part.
Next, the front side mold part 12 and the rear side mold part 13 which are the front ends on both sides of the door glass 5 will be described. The front-side mold part 12 and the rear-side mold part 13 are integrally formed at the tip on both sides of the extrusion part 11 by molding.

It is sectional drawing of the center part of the door weather strip which shows the attachment structure of the door weather strip which is embodiment of this invention. FIG. 3 is a cross-sectional view showing a seal structure between the upper side of the door frame and the periphery of the vehicle body opening in the door weather strip mounting structure according to the embodiment of the present invention. It is the perspective view seen from the slanting back of the automobile door. It is a front view of the door weather strip used in the embodiment of the present invention. It is sectional drawing which shows the attachment structure of the conventional door weather strip. It is sectional drawing which shows the attachment structure of the other conventional door weather strip. It is an expanded sectional view between the retainer part of the door molding in FIG. 6, and the vehicle outer side seal part of a door weather strip.

Explanation of symbols

2 Door frame 6 Car body opening peripheral edge 10 Door weather strip 20 Car exterior weather strip 21 Car exterior mounting base 22 Car exterior seal section 23 Car exterior seal section tip slope 30 Car interior weather strip 50 Door molding 51 Mall section 55 Retainer section 56 retainer wheel outer side portion 56b retainer wheel outer side locking portion 56c retainer wheel outer side locking portion slope

Claims (6)

In a door weather strip mounting structure in which a door weather strip that seals between a door of an automobile and a peripheral edge of a vehicle body is attached to a door molding provided on the outer periphery of the door frame of the door.
The door weather strip is attached to the vehicle outer side of the door frame, and is attached to the vehicle outer side weather strip for sealing between the door frame and the vehicle outer side of the periphery of the vehicle body opening, and to the vehicle inner side of the door frame. A vehicle interior weather strip that seals between the door frame and the vehicle interior of the periphery of the vehicle body opening, and a connecting portion that integrally connects the vehicle exterior weather strip and the vehicle interior weather strip,
The exterior weather strip is formed on the exterior exterior base of the exterior of the vehicle body, and is formed integrally with the exterior exterior base of the exterior of the door frame. It is comprised from the vehicle outer side seal part which seals between an end and the said door frame,
The outer seal portion is formed in a lip shape, and the surface facing the door molding at the tip of the outer seal portion is formed with a slope on the front end of the outer seal portion in a planar shape,
The door molding is configured integrally with a molding portion that constitutes an exterior design surface of the door and a retainer portion that holds an exterior mounting base portion of the door weather strip, and the retainer portion is an outer side portion of the retainer vehicle, The bottom part formed from the retainer bottom part and the retainer vehicle inner side part is formed in a substantially U-shaped cross section, and the upper rear surface of the molding part also serves as the outer side part of the retainer car, and the upper end of the retainer car outer side part A hook-shaped retainer vehicle outer side locking portion is formed on the vehicle inner side, holds the vehicle outer side end of the vehicle outer side mounting base, and opposes the vehicle outer side seal portion of the retainer vehicle outer side locking portion. A flat retainer vehicle outer tip slope is formed on the surface,
The door weather strip mounting structure is characterized in that when the door is closed, the front end slope of the vehicle outer seal portion and the front end slope of the retainer vehicle outer engagement portion face or contact each other substantially in parallel.   The door weather strip mounting structure according to claim 1, wherein the vehicle exterior seal portion is formed in a crescent-shaped cross section that is convexly curved toward the retainer portion.   The door according to claim 1 or 2, wherein the door weather strip is attached to a retainer portion of a door molding provided in advance on the outer periphery of the door frame of the door, and is attached to the door frame integrally with the door molding. Weather strip mounting structure.   The said door weather strip is comprised from the extrusion molding part in which the center part of the longitudinal direction was formed by extrusion molding, and the shaping | molding part by which the both ends of the longitudinal direction were formed by the molding. The door weather strip mounting structure according to any one of the above.   The vehicle exterior seal portion is formed in a lip shape and is mounted on the vehicle outer periphery of the door frame, and the vehicle interior weather strip has a hollow seal portion and is mounted on the vehicle frame outer periphery of the door frame. The door weather strip mounting structure according to any one of claims 1 to 4.   The vehicle exterior mounting base of the exterior weather strip of the door weather strip is formed of a solid material, and the exterior seal portion of the exterior weather strip and the interior weather strip are formed of a sponge material. The door weather strip mounting structure according to claim 5.