JP4734765B2 - Vehicle molding - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a continuous and integral molding for a vehicle that is mounted from a roof portion of a vehicle to a front pillar portion or a rear pillar portion.
[0002]
[Prior art]
Conventionally, as this type of vehicle molding, those disclosed in Japanese Patent Application Laid-Open No. 2000-313049, Japanese Patent No. 3144355 and Japanese Patent Application Laid-Open No. 9-20186 are known. These are the roof molding part arranged in the joint recess between the vehicle roof top panel and the vehicle roof side panel, and the roof molding part arranged in the gap between the vehicle roof side panel and the vehicle windshield panel. And a wind molding portion having a cross-sectional shape different from that of the molding portion continuously and integrally in the molding longitudinal direction.
[0003]
In the vehicular molding disclosed in Japanese Patent Laid-Open No. 2000-313049, the roof molding portion and the wind molding portion are mainly composed of a head decoration band made of a synthetic resin material extending over the longitudinal direction of the molding. ing. Further, the wind molding part has an insertion leg portion made of a synthetic resin to be inserted into the head decoration band in addition to the head decoration band, and the insertion leg part has its height along the longitudinal direction of the molding. The water receiving part for the outer surface of the windshield panel is defined. The roof molding portion is fixed to the roof portion of the vehicle by engaging the clip fixed to the head decoration band with the roof top panel, and the wind molding portion engages the insertion leg portion with the wind shield panel. This is fixed to the front pillar portion of the vehicle.
[0004]
In the vehicular molding disclosed in Japanese Patent No. 3144355, the roof molding part and the wind molding part are mainly composed of a metal plate extending in the longitudinal direction of the molding over both parts. The metal plate gradually changes its height along the longitudinal direction of the molding to define a water receiving portion for the outer surface of the windshield panel. Further, a synthetic resin layer is provided on the surface of the metal plate so as to cover the surface of the metal plate in the longitudinal direction of the molding and to elastically contact the roof top panel, the roof side panel, and the windshield panel. The roof molding portion and the wind molding portion are fixed to the roof portion of the vehicle and the front pillar portion of the vehicle by engaging the clips fixed to the roof panel and the roof side panel with the metal plate.
[0005]
In the molding for a vehicle shown in Japanese Patent Laid-Open No. 9-20186, a roof molding part and a wind molding part are mainly composed of a molding body part made of a synthetic resin material extending over the molding longitudinal direction over both parts. Yes. The molding main body portion gradually changes its height along the molding longitudinal direction to define a water receiving portion for the outer surface of the windshield panel. Further, a lip portion that elastically contacts the roof top panel and the roof side panel is formed integrally with the molding body. The roof molding portion is fixed to the roof portion of the vehicle by press-fitting the lip portion into the joint recess while elastically contacting the roof top panel, the roof side panel and the roof top panel. It is fixed to the front pillar part of the vehicle by engaging with the windshield panel.
[0006]
[Problems to be solved by the invention]
However, since the vehicle molding disclosed in Japanese Patent Laid-Open No. 2000-313049 is composed of three parts, a head decoration band, an insertion leg, and a clip, the vehicle molding disclosed in Japanese Patent No. 3144355 is also disclosed. Molding is disadvantageous in terms of cost because it includes a metal plate.
[0007]
In the vehicular molding disclosed in Japanese Patent Laid-Open No. 9-20186, all are integrally formed of a synthetic resin material on the basis of the molding main body, and thus the above-mentioned Japanese Patent Laid-Open No. 2000-313049 and Japanese Patent No. 3144355 are described. However, it is disadvantageous in terms of strength because the structure for fixing the roof molding part is formed by press-fitting the molding body part into the coupling recess. There is a risk that part will come off.
[0008]
Therefore, the technical object of the present invention is to provide a vehicular molding that is advantageous in terms of cost while securing the mounting strength.
[0009]
[Means for Solving the Problems]
In order to solve the above technical problem, the technical means taken in the present invention includes at least one of the roof top panel and the roof side panel, and at least one of the roof side panel and the windshield panel. A core portion made of a hard synthetic resin material having a predetermined cross-sectional shape integrally having an engagement portion fitted to the core and extending in a longitudinal direction of the molding from the roof molding portion to the wind molding portion, and the core possess a design portion which is integrally formed to cover the surface of the core portion to the portion, and a first lip portion elastically contacts with the roof side panel is formed integrally with the core portion, the engagement portion extends downwardly And a pair of leg portions that are opposed to each other and an engaging claw provided at a tip of the leg portion, and the pair of leg portions Each space between the site where the design portion of the upper part and the core part is formed is formed, is that.
[0010]
According to this technical means, everything from the roof molding part to the wind molding part is integrally formed of the synthetic resin material, and the number of parts is reduced. Therefore, it can be advantageous in terms of cost as compared with the prior art. Further, the engagement portion of the core portion from the roof molding portion to the wind molding portion is fitted to at least one of the roof top panel and the roof side panel, and at least one of the roof side panel and the wind shield panel. The roof molding part and the wind molding part are fixed to the roof part and the pillar part of the vehicle. Therefore, necessary and sufficient attachment strength can be ensured as compared with the conventional case.
More preferably, low-expansion steel wires extending in the longitudinal direction of the molding are buried at the bases of the legs.
More preferably, the core portion is made of hard polypropylene containing approximately 40 weight percent talc.
[0011]
More preferably, it has a second lip portion formed integrally with the core portion and elastically contacting the windshield panel at the tip, and a gradually changing portion whose height gradually changes in the molding longitudinal direction.
[0014]
More preferably, the gradually changing portion may define a water receiving portion for the outer surface of the windshield panel.
[0015]
More preferably, the said core part is good to exhibit a fixed cross-sectional shape over the molding longitudinal direction from the said wind molding part to the said roof molding part.
[0016]
More preferably, the wind molding part may be constituted by a front wind molding part attached to a front pillar part of a vehicle and / or a rear wind molding part attached to a rear pillar part of the vehicle.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, long and continuous moldings 2 are respectively mounted on the front pillar portion 11, the roof portion 12 and the rear pillar portion 13 on the left and right (upper and lower sides in FIG. 1) of the vehicle 1 respectively. Yes.
[0018]
The molding 2 is located at the roof portion 12 and is located at the joint 16 between the roof top panel 14 and the roof side panel 15 of the vehicle 1. The molding 2 is located at the front pillar portion 11. The vehicle is located in the front wind molding part 22 and the rear pillar part 13 which are arranged in the gap between the side edge of the front wind shield panel 17 and the opening step 15a of the roof side panel 15 closed by the front wind panel 17. The rear wind molding portion 23 disposed in the gap between the side edge of the rear wind shield panel 18 and the opening step 15b of the roof side panel 15 closed by the rear wind shield panel 18 is formed in the longitudinal direction of the molding (FIG. 1). (In the left-right direction).
[0019]
As shown in FIGS. 2 to 5, the molding 2 includes a core portion 3, a design portion 4, a gradually changing portion 5, a plurality of first lip portions 6 and a second lip portion 7. Yes.
[0020]
The core portion 3 is made of an olefin-based resin material (specifically, a hard polypropylene containing approximately 40 weight percent talc), and extends downward and faces a pair of legs facing each other at a predetermined interval. It has a predetermined cross-sectional shape with 31 and 32 at both ends. The core portion 3 extends with a constant cross section in the molding longitudinal direction extending to the roof molding portion 21, the front wind molding portion 22 and the rear wind molding portion 23. In addition, engaging claws 31a and 32a projecting inward are formed at the lower ends of the leg portions 31 and 32 so as to face each other with a predetermined interval. A low-expansion steel wire 33 extending in the molding longitudinal direction is buried at the base of each of the leg portions 31 and 32, thereby suppressing thermal expansion and contraction of the molding 2.
[0021]
The design portion 4 is made of an olefin-based resin material (specifically, colored high crystalline polypropylene), and is integrally formed on the surface of the core portion 3 over the roof molding portion 21, the front wind molding portion 22, and the rear wind molding portion 23. ing. The design portion 4 has improved scratch resistance due to its material.
[0022]
The first lip portion 6 is made of an olefin-based thermoplastic elastomer material and is integrally formed so as to extend outward from the leg portion 31 of the core portion 3 extending to the roof molding portion 21, the front wind molding portion 22, and the rear wind molding portion 23. Molded.
[0023]
The gradually changing portion 5 is made of an olefin-based thermoplastic elastomer material that is harder than the first lip portion 6, and is outside the leg portion 32 of the core portion 3 over the roof molding portion 21, the front wind molding portion 22, and the rear wind molding portion 23. It is integrally formed to extend in the direction. The gradually changing portion 5 has the largest extension at the front end of the front wind molding portion 22 (front end in the longitudinal direction of the molding) and the front end of the rear wind molding portion 23 (rear end of the longitudinal direction of the molding). The transition part to the roof molding part 21 and the transition part from the rear window molding part 22 to the roof molding part 21 are gradually reduced, and the front end of the molding 2 is attached to the vehicle 1 in the state where the molding 2 will be described later. The heights of the windshield panel 17 and the rear windshield panel 18 are gradually changed along the outer surfaces. The gradually changing portion 5 in the roof molding portion 21 has a substantially constant height.
[0024]
The second lip portion 7 is made of the same olefin-based thermoplastic elastomer material as that of the first lip portion 6, and is provided at the tip of the gradually changing portion 5 over the roof molding portion 21, the front wind molding portion 22 and the rear wind molding portion 23. It is integrally molded to extend in the direction.
[0025]
The molding 2 configured as described above is manufactured by the following procedure.
[0026]
First, a molded product having a predetermined cross-sectional shape integrally having a core part 3, a design part 4, a gradual change part 5, a first lip part 6 and a second lip part 7 is formed by an extrusion molding machine, and cooled and solidified. And then cut to a predetermined length. Then, the molded product is subjected to thermal bending so as to substantially follow the front pillar portion 11, the roof portion, and the rear pillar portion of the vehicle 1 with a bender processing machine. The molded product subjected to the thermal bending is fixed to a jig having a predetermined shape along the front pillar portion 11, the roof portion 12, and the rear pillar portion 23 of the vehicle 1, and is then placed in a thermostatic bath to anneal the molded product. Then, the stress of the molded product is removed and the degree of crystallinity of the design portion 4 is controlled to maintain the bent shape of the molded product. Finally, terminal pieces (not shown) are injection-molded at both ends of the molded product, whereby the molding 2 is manufactured. At the time of extrusion molding of the molded product, a transfer film is supplied into the mold, the transfer film is adhered to the surface of the design portion 4, and the molded product is extruded before cooling and solidification of the molded product. Remove the transfer film. As a result, the design portion 4 is polished. The gradual deformation of the gradual change portion 5 can be obtained by forming the mold of the extrusion molding machine from a fixed mold and a movable mold and moving the movable mold relative to the fixed mold.
[0027]
As shown in FIGS. 4 and 5, a plurality of clips 8 are fixed to the roof top panel 14 and arranged in the joint recess 14 of the roof portion 12 of the vehicle 1. Further, a plurality of clips 9 are fixedly attached to the opening step portions 15 a and 15 b of the roof side panel 15 at the front pillar portion 11 and the rear pillar portion 13 of the vehicle 1. Then, the leg portions 31 and 32 of the core portion 3 are fitted to the plurality of clips 8 and 9 by the claw portions 31 a and 32 a, whereby the molding 2 is mounted on the vehicle 1. When the molding 2 is mounted on the vehicle 1, the leg portion 31 faces the roof side panel 15, and the leg portion 32 faces the roof top panel 14, the front windshield panel 17, and the rear windshield panel 18. Yes. The first lip portion 6 is in elastic contact with the roof side panel 15 to seal between the molding 2, and the second lip portion 6 includes the roof top panel 14, the front windshield panel 17, and the rear windshield panel 18. It seals between the molding 2 by elastic contact. Further, water receiving portions 21a, 22a, 23a for the outer surfaces of the panels 14, 17, 18 are defined between the roof top panel 14, the front windshield panel 17, and the rear windshield panel by the gradually changing portion 5. is doing. The water receiving portions 21 a, 22 a, and 23 a guide rainwater flowing on the panels 14, 17, and 18 so as not to get over the molding 2 and flow into the side portion of the vehicle 1. Note that the leg portions 31 of the front wind molding portion 22 and the rear wind molding portion 23 have a claw portion 31a cut away from the arrangement relationship of the clips 9, and the fitting of the core portion 3 to the clip 9 is performed by the claw of the leg portion 32. The clip 9 is sandwiched between the portion 32a and the leg portion 31.
[0028]
In the present embodiment, the molding 2 is configured such that the roof molding part 21, the front window molding part 22 and the rear window molding part 23 are continuously integrated in the longitudinal direction of the molding. The molding part 22 or the rear window molding part 23 may be configured as a continuous integral in the molding longitudinal direction.
[0029]
【The invention's effect】
According to the present invention, it has a predetermined cross-sectional shape integrally including at least one of a roof top panel and a roof side panel, and an engaging portion fitted to at least one of the roof side panel and the windshield panel. In addition, since the core part made of a synthetic resin material extending in the longitudinal direction of the molding from the roof molding part to the wind molding part is integrally formed with the design part and the first lip part, it extends from the roof molding part to the wind molding part. All of the above can be integrally formed of a synthetic resin material, and the number of parts can be reduced, thereby making it more cost-effective than conventional ones. In addition, the roof molding part and the wind molding part can be fixed to the roof part and pillar part of the vehicle by the engaging part of the core part from the roof molding part to the wind molding part. Strength can be ensured reliably. Furthermore, since everything from the roof molding portion to the wind molding portion is integrally formed of a synthetic resin material, the weight can be reduced as compared with the conventional case.
[0030]
According to the present invention, a gradually changing portion having a second lip portion that elastically contacts the windshield panel at the tip and having a gradually changing height in the molding longitudinal direction is formed integrally with the core portion, and the gradually changing portion is used to form a window. Since the water receiving portion for the outer surface of the shield panel is defined, rainwater flowing on the windshield panel can be guided by the gradually changing portion without increasing the number of parts.
[0031]
According to the present invention, since the core portion and the design portion are made of the olefin resin material, it is possible to easily and reliably ensure the necessary and sufficient rigidity and mounting strength as a vehicle molding.
[0032]
According to the present invention, since the first lip portion, the second lip portion, and the gradually changing portion are made of the olefin elastomer material, the necessary and sufficient elasticity can be easily and reliably ensured.
[Brief description of the drawings]
FIG. 1 is a top view of a vehicle equipped with a vehicular molding according to the present invention.
FIG. 2 is a cross-sectional view of a vehicular molding according to the present invention.
FIG. 3 is a cross-sectional view taken along line AA in FIG.
4 is a cross-sectional view taken along line BB in FIG. 1. FIG.
5 is a cross-sectional view taken along the line CC in FIG. 1. FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vehicle 2 Molding 3 Core part 4 Design part 6 1st lip part 5 Gradual change part 14 Roof top panel 15 Roof side panel 16 Joint recessed part 17 Front windshield panel 18 Rear windshield panel 21 Roof molding part 22 Front wind molding part 23 Rear window molding part 21a, 22a, 23a Water receiving part
31, 32 Leg (engagement part)
31a, 32a Claw part (engagement part)
33 Low expansion steel wire rod

Claims (7)

A roof molding portion disposed in a joint recess between a vehicle roof top panel and a vehicle roof side panel; and a roof molding portion disposed in a gap between the roof side panel and the vehicle windshield panel. In a vehicular molding having a wind molding part having a different cross-sectional shape integrally and continuously in the longitudinal direction of the molding,
It has a predetermined cross-sectional shape integrally including at least one of the roof top panel and the roof side panel, and an engaging portion fitted to at least one of the roof side panel and the windshield panel. A core part made of a hard synthetic resin material extending in the longitudinal direction of the molding from the roof molding part to the wind molding part;
A design part integrally formed on the core part and covering the surface of the core part;
Possess a first lip portion elastically contacts with the roof side panel is formed integrally with the core portion,
The engaging portion is composed of a pair of leg portions extending downward and facing each other, and an engaging claw provided at the tip of the leg portion,
A vehicular molding in which a space is formed between an upper portion of the pair of leg portions and a portion of the core portion where the design portion is formed . The vehicular molding according to claim 1, wherein low-expansion steel wires each extending in a longitudinal direction of the molding are buried at the base of the leg portion. The vehicular molding according to claim 1 or 2, wherein the core portion is made of hard polypropylene containing approximately 40 weight percent talc. The vehicle according to any one of claims 1 to 3 , further comprising a second lip portion formed integrally with the core portion and elastically contacting the windshield panel at a tip, and a gradually changing portion whose height gradually changes in the molding longitudinal direction. For molding.   The vehicular molding according to claim 4, wherein the gradually changing portion defines a water receiving portion for an outer surface of the windshield panel.   The vehicular molding according to claim 1, wherein the core portion has a constant cross-sectional shape in a molding longitudinal direction from the wind molding portion to the roof molding portion.   The vehicular molding according to claim 1, wherein the wind molding portion includes a front wind molding portion attached to a front pillar portion of a vehicle and / or a rear wind molding portion attached to a rear pillar portion of the vehicle.

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