JP2014221604A - Opening seal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a seal lip on a terminal part inserted into an inside of an interior material or a hollow seal part to be pressed against or smashed to a trim part for easily holding without using an adhesive or a clip, in an opening seal formed of a trim part which has an approximately U-shape in cross section and which is inserted into a flange of a door opening edge part of a vehicle body for attachment, and a seal lip projecting toward a side direction of the trim part and contacting to a door peripheral edge elastically when a door is closed for sealing or a hollow seal part.SOLUTION: A projection piece 6 is formed in a projecting state on a terminal part of a seal lip 4, and when a terminal part of an opening seal 6 is inserted into an inside of an interior material, the seal lip 6 is pressed against a trim part 2, and the projection piece 6 is bent for inserting into a space between holding lips in the trim part. Thereby, the seal lip 6 is held to the trim part 2 in a narrowed state.

Description

  The present invention relates to an opening seal that is attached to a door opening edge of an automobile body and seals between the door and the door when the door is closed.

  FIG. 1 shows a terminal portion of this type of opening seal, which is inserted into a flange of a door opening edge portion of an automobile body and attached with a trim portion 2 having a substantially U-shaped cross section in which a core metal 1 is embedded, and a trim. A cover lip 3 extending to one side from the part 2 and covering the interior material of the vehicle body; a seal lip 4 extending to the other side from the trim part 2 and elastically contacting and sealing the door periphery when the door is closed; and the trim part 2 It is also known that the holding lip 5 is formed so as to protrude inside the rim and sandwich the flange from both sides, and instead of the seal lip 4, a hollow seal portion is integrally formed with the trim portion 2.

  Among these opening seals, it is mainly found in inexpensive vehicles such as light cars, but the opening seal is attached only to the door opening edge on the belt line, and the end of the opening seal is inserted into the interior material at the belt line part. There are specifications. With such a specification, when the end portion of the opening seal is inserted into the interior material by inserting the end of the opening seal in the longitudinal direction, the seal lip 4 is not caught by the interior material and smooth insertion is not hindered. For this purpose, the seal lip 4 is pressed against the trim portion 2 and bonded with an instantaneous adhesive as shown in the figure. In the figure, a portion 6 indicated by a dotted line indicates a bonding location by the instantaneous adhesive.

  When the seal lip is bonded by the instantaneous adhesive, the instantaneous adhesive drips or adheres dirt, which is likely to adhere to the operator and cause poor quality.

  In order to cope with this problem, the following Patent Document 1 discloses a trim portion having a substantially U-shaped cross section, a cover lip extending to one side from the trim portion, covering the interior material of the vehicle body, and the other side from the trim portion. When the door is closed, when the door is closed, the opening seal is equipped with a hollow seal part that elastically contacts the door edge and seals between the doors. It is disclosed that it is inserted into the interior material in a state where the hollow seal portion is narrowed and inserted into the crushed hollow seal portion and the side wall of the trim portion.

JP 10-16562 A

  The present invention includes a trim portion having a substantially U-shaped cross-section that is inserted into a flange at the door opening edge of an automobile body, and protrudes laterally from the trim portion, and elastically contacts and seals the door periphery when the door is closed. In the opening seal consisting of a seal lip or hollow seal part, without using an adhesive in a state where the seal lip or hollow seal part of the terminal part inserted inside the interior material is pressed or crushed against the trim part In addition, it can be easily held without using a clip.

  Accordingly, the invention according to claim 1 is provided with a trim portion having a substantially U-shaped cross section, which is inserted into the flange of the door opening edge of the automobile body, and protrudes laterally from the trim portion. In the opening seal consisting of a seal lip or hollow seal part that seals in elastic contact, a locking part is formed on the seal lip or hollow seal part of the terminal part inserted inside the interior material, and the seal lip is pressed against the trim part Alternatively, with the hollow seal portion being crushed and pressed against the trim portion, the locking portion is locked to the locked portion of the trim portion, thereby holding the seal lip of the terminal portion or the hollow seal portion on the trim portion. It is what I did.

The invention according to claim 2 is the invention according to claim 1, wherein the locking portion is a projecting piece formed at a terminal portion of the opening seal and projecting a predetermined length in a longitudinal direction of the opening seal, The stop portion is a trim portion into which the protruding piece is bent and inserted,
The invention according to claim 3 is the invention according to claim 1, wherein either one of the locking portion and the locked portion is a collar portion, and the other is inserted and locked in the collar portion. It is a locking groove.

  According to the first aspect of the present invention, at the end portion of the opening seal, the seal lip is pressed against the trim portion, or the hollow seal portion is crushed and pressed against the trim portion, and then the locking portion of the seal lip or the hollow seal portion is trimmed. By the operation of simply locking the portion to the locked portion, it is possible to hold the front seal lip or the hollow seal portion pressed against the trim portion without using an adhesive and without using a clip.

  According to the second aspect of the present invention, it is possible to hold the seal lip or the hollow seal portion on the trim portion simply by bending the protruding piece formed on the end portion of the seal lip or the hollow seal portion and inserting it into the trim portion. The locking portion can be easily formed by simply forming a projecting piece on the seal lip or hollow seal, and this projecting piece can be formed at the same time when a long opening seal formed by extrusion is cut to a certain length. it can.

  According to the invention which concerns on Claim 3, a seal lip or a hollow seal part can be hold | maintained to a trim part comparatively reliably by latching a collar part in a latching groove.

The perspective view which shows the terminal part which represented the terminal of the conventional opening seal in the cross section. The perspective view which shows the terminal part which represented the terminal of the opening seal | sticker which concerns on this invention in the cross section. FIG. 3 is a perspective view of a terminal portion of the opening seal shown in FIG. 2 in which a seal lip is pressed against a trim portion and a protruding piece is inserted and held in the trim portion. The perspective view of the terminal part of another embodiment. The figure which shows the form of the metal core embed | buried under a trim part. The perspective view which inserted and held the collar part of the seal lip in the slit of the trim part in the terminal part of the opening seal shown in FIG. The perspective view of the terminal part of another embodiment. In the opening seal shown in FIG. 7, the perspective view which inserted and hold | maintained the protrusion of the hollow seal part in the trim.

Hereinafter, an opening seal according to an embodiment of the present invention will be described with reference to the drawings.
FIG. 2 shows the opening seal shown in FIG. 1, that is, a trim portion 2 having a substantially U-shaped cross section in which a core metal 1 is embedded, and is curved to extend from one side of the bottom wall of the trim portion 2 to be used as an interior material of a vehicle body. The cover lip 3 to be covered, the seal lip 4 which extends to the other side from the bottom wall of the trim part 2 and is curved and elastically contacts and seals the periphery of the door when the door is closed; Is formed in a projecting manner facing each other), and when trim part 2 is inserted into a flange (not shown) at the door opening edge, the flange is held from both sides. In the opening seal 6 composed of the holding lip 5, a projecting piece 6 projecting a predetermined length in the longitudinal direction of the opening seal 5 is formed at the terminal portion, and the projecting piece 7 is used as a locking portion.

  The projecting piece 7 shown in the present embodiment can be formed by cutting the elongated opening seal 6 that has been extruded into a certain length, and then cutting the terminal portion thereof, but preferably the opening seal 6 is formed. It is formed at the same time when cutting a certain length, so that the cutting process can be completed once.

  The trim part 2 of the opening seal 6 is inserted and attached to the flange at the door opening edge of the automobile body, and the terminal part is inserted inside the interior material of the belt line part by inserting the opening seal end in the longitudinal direction and inserting it. In this case, the protruding piece 2 is bent and inserted between the holding lips in the trim portion 2 with the end portion of the seal lip 4 pressed against the trim portion 2 (see FIG. 3). In the example shown in the drawing, the bent projecting piece 7 is inserted between the holding lips 5, but while twisting the projecting piece 7, between the bottom wall of the trim portion 2 and the holding lip 5 near the bottom wall. It is also possible to insert it between the holding lips 5 instead of inserting it between the holding lips. By inserting the projecting piece 7 into the trim portion 2, the end portion of the seal lip 4 is held in the trim portion 2 in a narrowed state.

  The operation of bending the protruding piece 6 and inserting it into the trim portion 1 may be performed in advance before the opening seal 5 is attached to the door opening edge of the vehicle body, or may be performed in the middle or at the end of the attachment operation. .

  FIG. 4 shows an opening seal 6 having the above-described structure, in which a flange portion 11 is formed by cutting the seal lip 4 at the end portion to form the flange portion 11 as a locking portion, and from the side wall on the seal lip side constituting the trim portion 2. A slit 12 having a certain length is formed over the upper and lower holding lips 5, and the slit 12 is a locked portion that is a locking groove, and the end portion of the seal lip 4 is pressed against the trim portion 2, By inserting the flange portion 11 into the slit 12, the flange portion 11 is caught by the groove edge of the slit 12 and is held by the trim portion 2 in a state where the end portion of the seal lip 4 is narrowed ( (See FIG. 6).

  The flange portion 11 and the slit 12 of the above embodiment can also be formed by cutting the opening seal 6 into a certain length and then further cutting the end portion thereof, but preferably the opening seal 6 for the same reason as described above. Is formed at the same time as cutting a certain length.

  As shown by the dotted line in FIG. 5, the trim cored bar 1 has a structure in which U-shaped single pieces 1a are connected by connecting pieces 1b at intervals. As shown in FIG. 5, by forming the slit 12 and cutting the connecting piece 1b at the end, the single piece 1a at the end can be easily extracted, and the single piece 1a at the end is extracted. Thus, it is possible to prevent the core 1 from looking out from the end of the product and damaging other products and people.

  In this embodiment, the flange portion 11 is formed on the seal lip 4 and the slit 12 is formed on the trim portion 2, but the flange portion 11 may be formed on the trim portion 2 and the slit 12 may be formed on the seal lip 4. In this case, the seal lip 4 can be similarly held by inserting and hooking the slit 12 of the seal lip 4 into the flange portion 11 of the trim portion 2.

  FIG. 7 shows an opening seal 14 having a hollow seal portion 9 in place of the seal lip 4 in the opening seal 6 of the above embodiment, and a protrusion similar to the protruding piece 7 of the above embodiment on the hollow seal portion 9 of the end portion. A piece 15 is formed, and the protruding piece 15 is used as a locking portion.

  In the present embodiment, when the terminal portion of the opening seal 6 is inserted inside the interior material, the hollow seal portion 9 of the terminal portion is crushed and pressed against the trim portion 2, and the projecting piece 15 is held in the trim portion. Insert between lips. Accordingly, the hollow seal portion 9 of the terminal portion is held by the trim portion 2 in a constricted state (see FIG. 8).

  In still another embodiment, in the opening seal 14 having the structure shown in FIG. 7, the flange portion 11 as shown in FIG. 4 is formed at the terminal portion of the hollow seal portion 9, and the slit 12 is formed in the trim portion 2. The According to this embodiment, the hollow seal portion 9 of the terminal portion is constricted by inserting the collar portion 11 into the slit 12 in a state where the hollow seal portion 9 of the terminal portion is crushed and pressed against the trim portion 2. The trim part 2 is held in a state.

1 ·· Core 2 · · Trim 3 · · Cover lip 4 · Seal lip 5 · Holding lip 6 · 14 · Opening seal 7 · 15 · · Projection piece 9 · · Hollow seal portion 11 · · 12..Slit

Claims (3)

  A trim portion 2 having a substantially U-shaped cross section that is inserted into a flange at the door opening edge of an automobile body, and a seal lip that protrudes laterally from the trim portion 2 and elastically contacts and seals the door periphery when the door is closed. 4 or the opening seals 6 and 14 comprising the hollow seal portion 9, a locking portion is formed on the seal lip 4 or the hollow seal portion 9 of the terminal portion inserted inside the interior material, and the seal lip 4 is connected to the trim portion 2. Or the hollow seal portion 9 is crushed and pressed against the trim portion 2, and the locking portion is held by being locked to the locked portion of the trim portion 2. Opening seal.   The locking portion is a projecting piece 7 formed at the end portion of the opening seal 6 and projecting a predetermined length in the longitudinal direction of the opening seal 6, and the locked portion is inserted by bending the projecting piece 7. The opening seal according to claim 1, wherein the opening seal is a trim part.   2. One of the locking portion and the locked portion is a flange portion 11, and the other is a locking groove 12 into which the flange portion 11 is inserted and locked. Opening seal as described.