JP4997046B2 - Seal structure - Google Patents

Description

  The present invention relates to a seal structure for sealing a door opening of a vehicle.

  Conventionally, a door weather strip is provided along the periphery of the door of the vehicle. Generally, the door weather strip has a base portion attached to the door frame and a seal portion that protrudes from the base portion and forms a hollow portion.

  Moreover, what provides a front door and a rear door in the shape of a kannon door without providing a center pillar as a door of a vehicle is known (for example, refer patent document 1).

  In such a type of door, the front door is provided with a door weather strip along the peripheral edge of the front door. On the other hand, the rear door is provided with a substantially U-shaped door weather strip at a portion other than the substantially linear portion that contacts the front door in the peripheral edge of the rear door (hereinafter, provided on the front door). The door weather strip is referred to as “front door weather strip”, and the door weather strip provided on the rear door is referred to as “rear door weather strip”). In addition, a substantially flat extension extending toward the front door is provided at the end of the upper side of the rear door weather strip.

As shown in FIG. 9, in such a door door type door, the rear door 81 is closed and then the front door 82 is closed, whereby the rear door weather strip 84 including the extension 83 is formed at the periphery of the opening of the door. The front door weather strip 86 is pressed against the rear door 81 and the opening peripheral edge 85, thereby sealing between the doors 81 and 82 and the opening peripheral edge 85. At this time, since the seal portion 87 of the front door weather strip 86 is pressed against the extension portion 83 of the rear door weather strip 84, the front end portion 88 of the extension portion 83 enters the inside of the vehicle. Become.
JP 2001-63486 A

  Here, the extending portion 83 is formed so that the seal portion 89 provided on the upper side portion of the rear door weather strip 84 is gradually deformed, and as shown in FIG. The portion is in pressure contact with the peripheral edge 85 of the opening continuously from the seal portion 89. For this reason, in the closed state of the doors 81 and 82, the recess 90 is formed between the upper edge of the extending portion 83 having a predetermined thickness and the peripheral edge 85 of the opening, and water accumulates in the recess 90. There is a risk that. And if the water collected in the recessed part 90 flows into the front-end | tip part 88 side (left side of FIG. 9; vehicle front side) of the extension part 83, the seal part 87 and extension part 83 ( There is a risk that water may enter the inside of the vehicle through the contact portion with the tip portion 88).

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a seal structure between a door and an opening disposed in a door-like shape, and more reliably prevent water from entering the inside of the vehicle. An object of the present invention is to provide a seal structure that can be used.

  In the following, each means suitable for solving the above-described object will be described in terms of items. In addition, the effect specific to the means to respond | corresponds as needed is added.

Means 1. A first door supported to be openable and closable at one end of the opening of the vehicle;
A second door supported to be openable and closable at the other end of the opening of the vehicle ;
A first door weather strip that is attached to the peripheral portion of the first door and includes a first base portion and a hollow first seal portion that protrudes from the first base portion;
A second door weather strip having a second base portion and a hollow second seal portion protruding from the second base portion and mounted on a peripheral portion of the second door; A vehicle in which the first door and the second door are opened and closed like a door.
The second door weather strip has an extending portion extending from the upper end portion of the second door weather strip to the first door side,
When the first and second doors are closed, the second seal portion and the extending portion are pressed against the periphery of the opening, and the first seal portion is placed on the periphery of the extending portion and the opening. A seal structure that seals between the first and second doors and the periphery of the opening by pressure contact;
A groove is formed in the extending part so as to extend downward from the upper edge of the extending part on the vehicle exterior side, and the groove is extended in the closed state of the first and second doors. It is a surface on the first seal portion side of the protruding portion, and is formed in a predetermined portion that does not contact the first seal portion,
Even if water accumulated in the recess formed between the upper edge of the extension and the periphery of the opening flows to the tip side of the extension, the extension and the first A seal structure configured to be guided to be discharged to the outside of the vehicle through the groove at a position before a contact portion with the seal portion .

  Note that the term “kannon door shape” means that the first door and the second door are opened and closed in such a way that they are divided into left and right.

According to the means 1, in the closed state of both doors, a groove portion is provided in a portion of the extending portion that does not contact the first seal portion. Thereby, even if the water collected in the recessed part formed between the upper edge part of the extension part and the opening part periphery flows into the front end side of the extension part, the first seal part and the extension part Water can be guided and discharged to the outside of the vehicle at a position in front of the contact portion. As a result, it is possible to suppress a situation where water flows to the contact portion, and more reliably prevent water from entering the vehicle interior.

Moreover, in the said means 1, the hook part which protrudes in the vehicle inside is formed in the said extension part, and the said hook part is latched by the door panel of the said 2nd door. Good (means 2).

  Hereinafter, an embodiment will be described with reference to the drawings.

  As shown in FIG. 1, an automobile 1 as a vehicle in the present embodiment has a front door 2 as a first door and a rear door 3 as a second door. Further, the doors 2 and 3 correspond to the openings 5 for getting in and out of the automobile 1 and are arranged in a so-called “double door” shape. That is, the front door 2 is supported at the front of the opening 5 so as to be opened and closed, and the rear door 3 is supported at the rear of the opening 5 so as to be opened and closed. In the present embodiment, the rear door 3 can be opened only when the front door 2 is open.

  As shown in FIG. 2, a front door weather strip 11 as a first door weather strip formed of a predetermined rubber material (for example, EPDM rubber) is attached to the peripheral edge portion of the front door 2. FIG. 1 shows a view from the passenger seat side, and FIG. 2 and subsequent figures show a door weather strip 11 and the like provided on the driver seat side.

  The front door weather strip 11 includes extrusion molded portions 12, 13, and 14 corresponding to substantially linear portions on the periphery of the front door 2, and molded portions 15, 16, and 17 corresponding to corner portions (scattered points in the figure). Part with a pattern). The extrusion molding parts 12, 13, and 14 are formed in a long shape by an extrusion molding machine (not shown). Further, the mold forming portions 15, 16, and 17 are formed by a predetermined mold device (not shown) so as to connect the end portions of adjacent extrusion forming portions.

  Furthermore, as shown in FIG. 3, the front door weather strip 11 includes a front side base portion 20 as a first base portion and a front side seal portion 24 as a first seal portion.

  The front-side base portion 20 includes an attachment base portion 21, a vehicle inner side wall portion 22 and a vehicle outer side wall portion 23 extending from the attachment base portion 21. In addition, a hollow front side seal portion 24 is formed so as to protrude from the front end portions of the side wall portions 22 and 23, and a bridge portion 25 is formed so as to partition the hollow portion of the front side seal portion 24. Furthermore, a loop flip 27 extending upward (outer peripheral side of the front door weather strip 11) is formed in the mold forming part 15 and the extrusion forming part 12 corresponding to the upper side part of the opening 5 in particular. In addition, a sub lip 28 is formed at the base end portion of the loop flip 27 so as to extend to the vehicle outer side.

  In FIG. 3, for convenience of illustration, the front door weather strip 11 and a rear door weather strip 31 as a second door weather strip to be described later are shown in a separated state. When closed, the edge portions of the door weather strips 11 and 31 overlap each other. More specifically, when the doors 2 and 3 are closed, the door weather strips 11 and 31 are disposed in a state where the straight line L and the straight line M overlap each other.

  The front door weather strip 11 is attached by fitting an attachment base 21 to a retainer (not shown) provided on a door panel 7 (see FIGS. 6 and 7) made of a plurality of metal plates. Further, when the doors 2 and 3 are closed, the front-side seal portion 24 is pressed against the periphery of the opening 5 and an extension portion 51 and the like which will be described later, thereby sealing between the doors 2 and 3 and the periphery of the opening 5. It has come to be.

  Further, a fin portion 29 extending rearward is formed in the mold forming portion 15. The fin portion 29 is formed with a lip portion 30 extending inward of the vehicle. When the doors 2 and 3 are closed, the tip portion of the lip portion 30 abuts on the extension portion 51, The sealing performance is improved (see FIG. 7).

  As shown in FIG. 4, a rear door weather strip 31 made of a predetermined rubber material (for example, EPDM rubber) and having a substantially U shape is attached to the peripheral portion of the rear door 3.

  The rear door weather strip 31 includes extrusion molding portions 33 and 34 and mold molding portions 35, 36, and 37 (portions with a dotted pattern in the figure). The mold forming portion 35 is connected to the end of the extrusion forming portion 33, and the mold forming portion 36 is configured to connect the extrusion forming portions 33 and 34. In addition, the molding part 37 is connected to the end of the extrusion part 34.

  As in the case of the front door weather strip 11, the extrusion parts 33 and 34 are formed by a predetermined extruder (not shown), and the mold parts 35, 36, and 37 are adjacent extrusion parts. It is formed by a predetermined mold apparatus (not shown) so as to connect the edges of the two.

  Further, as shown in FIGS. 3 and 5, the rear door weather strip 31 includes a rear side base portion 40 as a second base portion and a rear side seal portion 44 as a second seal portion.

  The rear side base portion 40 includes an attachment base portion 41, a vehicle inner side wall portion 42 that extends from the attachment base portion 41, and a vehicle outer side wall portion 43. Further, a hollow rear side seal portion 44 is formed so as to protrude from the front end portions of the side wall portions 42 and 43, and a bridge portion 45 is formed so as to partition the hollow portion of the rear side seal portion 44. In addition, a loop flip 46 and a sub lip 47 extending from the front end of the vehicle outer side wall 43 are provided.

  The rear door weather strip 31 has the mounting base 41 fitted into a retainer (not shown) provided on the door panel 8 made of a plurality of metal plates, and is clipped with respect to a clip hole 48 formed in the mounting base 41. 49 is inserted and fixed.

  Furthermore, in this embodiment, as shown in FIGS. 3, 6, and 7, the mold forming portion 35 is formed with an extending portion 51 that extends to the front door 2 side. The extension portion 51 has a substantially flat plate shape and is formed so that its thickness gradually decreases toward the front door 2 side. In addition, a hook-like hook portion 52 that protrudes toward the inside of the vehicle is formed in the extending portion 51. The extension portion 51 is attached to the door panel 8 by the hook portion 52 being locked to the upper edge portion of the door panel 8.

  In addition, when the rear door 3 is closed, the rear side seal portion 44 and the extension portion 51 are brought into pressure contact with the periphery of the opening 5 so that the door 3 and the opening 5 are sealed. ing.

  The extending portion 51 is formed so that the rear side seal portion 44 is gradually deformed toward the front side, and the upper edge portion 53 of the extending portion 51 is formed on the doors 2 and 3. When closed, the rear side seal portion 44 is continuously pressed against the periphery of the opening 5. And in the closed state of the doors 2 and 3, the recessed part 54 is formed between the upper edge part 53 of the extension part 51 which has predetermined thickness, and the opening part 5 periphery.

  In addition, in the closed state of the doors 2 and 3, a part of the extending portion 51 on the front door 2 side comes into contact with the front side seal portion 24. At this time, the distal end portion of the extending portion 51 is in a state of entering the vehicle inside.

  In the present embodiment, the extension portion 51 is formed with a groove portion 55 as a guide means. The groove portion 55 is formed so as to extend from the outer peripheral side of the upper edge portion 53 of the extension portion 51 downward (to the vehicle outer side), and guides the water accumulated in the concave portion 54 to the vehicle outer side. It is possible. In addition, the groove portion 55 is formed in a portion of the extending portion 51 that does not come into contact with the front seal portion 24 when both the doors 2 and 3 are closed.

  As described above in detail, in the present embodiment, when the doors 2 and 3 are closed, the extension portion 51 has a predetermined portion that is not in contact with the front side seal portion 24 and has the extension portion 51. A groove portion 55 is provided that can guide and discharge the water accumulated in the concave portion 54 formed between the upper edge portion 53 and the periphery of the opening portion 5 downward. As a result, even if water accumulated in the recess 54 flows to the front end side (front door 2 side) of the extension portion 51, the position in front of the contact portion between the front side seal portion 24 and the extension portion 51. Thus, water can be discharged to the outside of the vehicle. As a result, it is possible to suppress a situation in which water flows to the distal end side of the extending portion 51, and thus more reliably prevent water from entering the inside of the vehicle.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) In the above-described embodiment, the front door 2 and the rear door 3 that open and close like a double door are formed in the opening 5 on the side surface of the automobile 1, but the double door is formed in the opening on the rear part of the automobile 1. It is good also as materializing about the back door etc. which open and close.

(B) In the above embodiment, the groove portion 55 is provided as the guide means, but the guide means is not limited to the groove portion 55. For example, as shown in FIG. 8, a protrusion 61 formed so as to extend upward from the upper edge 53 of the extension 51 may be provided as a guide means. In this case, since the protrusion 61 can guide the downward movement of the water accumulated in the concave portion 54 while restricting the movement of the water to the distal end side, the same as the case where the groove portion 55 is provided. It is possible to more reliably prevent water from entering the inside of the vehicle (however, reference example) .

  (C) In the above embodiment, EPDM rubber is used as a material for forming the door weather strips 11 and 31, but other materials such as styrene butadiene rubber, butadiene rubber, chloroprene rubber, butyl rubber, nitrile rubber, and ethylene propylene are used. A rubber material such as polymer rubber or acrylic rubber, or a resin material such as olefin-based thermoplastic elastomer (TPO) or soft polyvinyl chloride may be used. Further, the seal portions 24 and 44 and the like may be formed using a softer material (for example, EPDM sponge rubber or the like) such as a foam material.

  (D) In the above-described embodiment, the front door weather strip 11 is an annular type that is attached over the entire periphery of the front door 2, but may not necessarily be an annular type and includes a corner portion of the front door 2. It may be partially attached to the peripheral edge.

It is a side surface schematic diagram which shows schematic structure of the motor vehicle in this embodiment. It is a front schematic diagram which shows the front door weather strip in this embodiment. It is a front view which shows a part of front door weather strip and rear door weather strip in this embodiment. It is a front schematic diagram which shows the rear door weather strip in this embodiment. It is the JJ sectional view taken on the line of FIG. It is the KK sectional view taken on the line of FIG. It is the LL sectional view taken on the line of FIG. It is a partial expanded sectional view which shows the protrusion part etc. as a guide means in another embodiment (however, a reference example) . It is a partial expanded sectional view which shows the extension part and seal part in a prior art. It is a partial expanded sectional view which shows the recessed part etc. in a prior art.

DESCRIPTION OF SYMBOLS 1 ... Automobile as vehicle, 2 ... Front door as 1st door, 3 ... Rear door as 2nd door, 5 ... Opening part, 11 ... Front door weather strip as 1st door weather strip, DESCRIPTION OF SYMBOLS 20 ... Front side base part as 1st base part, 24 ... Front side seal part as 1st seal part, 31 ... Rear door weather strip as 2nd door weather strip, 40 ... 2nd base rear base of the section, 44 ... rear sealed section of the second seal portion, 51 ... extending portion, 53 ... upper portion, 54 ... recess, groove as 55 ... guide means.

Claims (2)

A first door supported to be openable and closable at one end of the opening of the vehicle;
A second door supported to be openable and closable at the other end of the opening of the vehicle ;
A first door weather strip that is attached to the peripheral portion of the first door and includes a first base portion and a hollow first seal portion that protrudes from the first base portion;
A second door weather strip having a second base portion and a hollow second seal portion protruding from the second base portion and mounted on a peripheral portion of the second door; A vehicle in which the first door and the second door are opened and closed like a door.
The second door weather strip has an extending portion extending from the upper end portion of the second door weather strip to the first door side,
When the first and second doors are closed, the second seal portion and the extending portion are pressed against the periphery of the opening, and the first seal portion is placed on the periphery of the extending portion and the opening. A seal structure that seals between the first and second doors and the periphery of the opening by pressure contact;
A groove is formed in the extending part so as to extend downward from the upper edge of the extending part on the vehicle exterior side, and the groove is extended in the closed state of the first and second doors. It is a surface on the first seal portion side of the protruding portion, and is formed in a predetermined portion that does not contact the first seal portion,
Even if water accumulated in the recess formed between the upper edge of the extension and the periphery of the opening flows to the tip side of the extension, the extension and the first A seal structure configured to be guided to be discharged to the outside of the vehicle through the groove at a position before a contact portion with the seal portion . The hook portion that protrudes toward the inside of the vehicle is formed in the extension portion, and the hook portion is locked to the door panel of the second door. Seal structure.

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