JP3388652B2 - Automotive weather strip - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle which is connected to a door inner panel and a door trim main body of a vehicle accurately, has excellent assembling workability, and has a significant weight reduction and cost reduction. The present invention relates to a weatherstrip for a vehicle that can be down. 2. Description of the Related Art FIG. 3 shows a mounting structure in which a weather strip for windshield sealing is mounted on a garnish portion of a door trim body, and the weather strip is fixedly integrated with the door trim body. A base member 31 having an L-shaped cross section is attached to the garnish portion of the door trim body 30, and a weather strip 33 for sealing a window glass having a core bar 32 embedded therein is attached to the base member 31.
The one mounted with the cut-and-raised claw 32a is widely known. Further, as disclosed in Japanese Utility Model Laid-Open No. 6-18030, a boss provided on the lower surface side of the garnish portion is engaged with and fixed to both the inner panel and the weather strip. However, in such a mounting structure, since the base member 31 for mounting is indispensable in any case, there is a problem that the number of parts is increased and the weight is increased. It is necessary to cut and raise the claws 32a on the gold 32 and it is troublesome, and furthermore, in order to attach the base member 31 to the door trim main body 30 in advance, it is necessary to cut the skin material at the terminal portion. It is difficult to reduce the yield, and it is also difficult to connect the weather strip to the door inner panel accurately and easily. SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems and makes it easy and reliable to connect the door trim body and the door inner panel without using a conventional base member. In addition, the number of parts can be reduced, the weight can be reduced, and the processing cost can be reduced. In addition, the mounting operation can be performed after the skin material is rolled into the base material, and the degree of freedom of the mounting operation can be increased. It has been completed for the purpose of providing a weatherstrip for a window glass seal of an automobile, which can expand the thickness of the skin material and can significantly improve the yield of the skin material. [0005] The present invention has been made to solve the above-mentioned problems.
The upper part is provided with a holding frame part with a substantially U-shaped cross section for inserting and holding the garnish part of the door trim body, and the lower part is provided with a connection part with the door inner panel. In a weather strip for automobiles provided integrally with a lip portion made of resin ,
Engagement hole with connection part provided on top of door inner panel
A connecting piece having an engaging claw at the tip thereof, and
It is formed between the holding frame and the upper end of the door inner panel.
It is characterized by comprising a connecting groove into which the formed flange-shaped piece is inserted . With the above-mentioned construction, a body trim made of a hard synthetic resin and a lip made of a soft synthetic resin are integrated into a holding frame portion made of a hard synthetic resin and having a substantially U-shaped cross section. Since the garnish part of the main body can be inserted and pinched and connected by any fixing means, it will be firmly fixed and integrated with the door trim main body without using the conventional base member, and also against the glass window Also exerts a sufficient sealing effect. Further, a connection portion with a door inner panel made of a hard synthetic resin is provided at a lower portion of the holding frame portion, and connection to the door inner panel can be easily performed by this connection portion,
Furthermore, the positioning of the door trim main body and the door inner panel is accurate, and the occurrence of rattling after assembly can be properly prevented. Next, the present invention will be described in detail with reference to an embodiment shown in the drawings. In the figure, reference numeral 1 denotes a door trim main body attached to the front side of a door inner panel 11, and the door trim main body 1 has a base material whose surface is covered with a skin material such as a fabric lined with a urethane foam layer. Garnish part of door trim body 1 and door inner panel 1
1 is a weather strip for a window glass seal according to the present invention, which is mounted on the weather strip, and the above configuration is basically the same as the conventional one. The weather strip 2 for window glass sealing is provided with a holding frame portion 22 having a substantially U-shaped cross section for inserting and holding the tip of the garnish portion of the door trim main body 1 at an upper portion, and a door inner panel 11 at a lower portion thereof. A lip portion 27 made of a soft synthetic resin such as a soft vinyl chloride resin is attached to a main body portion 21 made of a hard synthetic resin such as a hard vinyl chloride resin provided with a connection portion 23 with the upper plate portion 22a and the upper plate portion 22a. It is integrally provided so as to protrude from the back surface of the connecting portion 22c connecting the plate portions 22b. The connection part 23 with the door inner panel 11 is the door inner panel 11
A plurality of connecting pieces 24 provided at the tip thereof with engaging claws 26 with the respective engaging holes 12 disposed at the upper part of the frame, and between the connecting piece 24 and the lower plate portion 22b of the holding frame 22. It has a connecting groove 25 for inserting the flange-shaped piece 13 formed at the upper end of the door inner panel 11. In addition,
The main body portion 21 and the lip portion 27 are generally formed by an integral molding method. However, it is needless to say that the main body portion 21 and the lip portion 27 may be separately molded without being integrally molded, and then laminated and integrated. The weather strip 2 is fitted into the front end of the garnish portion of the door trim body 1 with the holding frame portion 22 so that the garnish portion and the holding frame portion 2 are fitted.
And the upper end of the door inner panel 11 is connected to a connecting groove 25 of a connecting portion 23 provided at a lower portion of the holding frame portion 22 by an arbitrary bonding means such as an adhesive interposed between the inner surface of the door inner panel 11 and the inner surface of the door inner panel 11. And the connecting piece 24 below it is inserted into the door inner panel 1.
1 is inserted into the engaging hole 12 provided at the upper part of the
The door inner panel 11 and the upper part of the door trim main body 1 are connected via the weather strip 2 by engaging an engaging claw 26 formed at the end of the door trim with the hole edge of the engaging hole 12. As a result, the door inner panel 11 is not only fastened to the weather strip 2 by the connecting portion 23, but also the height direction and the depth direction are Positioning in the width direction is performed by the engagement between the pawl 26 and the engaging hole 12, thereby ensuring an accurate mounting position and preventing rattling. [0010] The automobile door thus obtained is
The point that the weather strip 2 is attached to the garnish portion of the door trim main body 1 and the glass window 10 is sealed by the lip portion 27 is the same as the conventional one, but in the present invention, the weather strip 2 is made of a hard synthetic resin. 21 and a lip portion 27 made of a soft synthetic resin, the upper and lower surfaces of the garnish portion are sandwiched by a holding frame portion 22 having a substantially U-shaped cross section provided on an upper portion of a main body portion 21 made of a hard synthetic resin. Thus, the weather strip 2 can be firmly fixed and integrated with the door trim main body 1 without using a conventional base member or core. In addition, the function as a weather strip can be sufficiently exhibited by the lip portion 27 made of a soft synthetic resin. In addition, on the lower surface of the holding frame portion 22, each of the engaging holes 12 provided on the upper portion of the door inner panel 11 through a connecting groove 25 through which a flange-shaped piece portion 13 formed on the upper end of the door inner panel 11 is inserted. A plurality of connecting pieces 24 each having an engaging claw 26 at the end thereof are provided, and the connecting groove 25 is in a state where the flange-shaped piece 13 at the upper end of the door inner panel 11 is fitted. Thereby, the door trim main body 1 and the door inner panel 11 have a structure in which the door trim panel 1 and the door inner panel 11 are integrated while being accurately positioned via the weather strip 2. Therefore, a high-quality door trim excellent in dimensional accuracy and without rattling is provided. Is obtained. The weather strip 2 is attached to the door trim body 1 and the door inner panel 11 by attaching the garnish portion of the door trim body 1 to a holding frame 22 having a substantially U-shaped cross section as shown in FIG. While fitting the flange-shaped piece 13 at the upper end of the door inner panel 11 into a connection groove 25 formed in the lower part of the holding frame 22 of the weather strip 2, and connecting the connection piece 24 thereunder. The three members can be reliably integrated only by being inserted into the engaging hole 12 of the door inner panel 11 and engaging the engaging claw 26 at the tip, and it is extremely unnecessary to perform a complicated positioning operation or the like. It can be done easily and in a short time. In addition, while the cutting process at the end portion of the skin material was conventionally difficult and the yield was poor, in the present invention, the material obtained by simply cutting the garnish tip or the material formed by winding the skin material on the base material was used. Weather strip 2
Since the crimping work described above does not require any difficult cutting work or the like, the processing yield of the skin material can be greatly improved. As is apparent from the above description, the present invention can easily and reliably connect and integrate the door trim body and the door inner panel without using the conventional base member and core. In addition, the workability of assembly is good, the number of parts can be reduced, the weight and processing cost can be reduced, and the mounting work can be performed after the skin material is rolled into the base material. As a result, the degree of freedom of the mounting operation can be increased, and the yield of the skin material can be significantly improved. Further, particularly, a connecting portion with the door inner panel is provided between a connecting piece provided with an engaging claw at an end thereof with an engaging hole provided at an upper portion of the door inner panel, and the connecting piece and the holding frame portion. And a connecting groove formed at the upper end of the door inner panel for inserting a flange-shaped piece, the positioning at the time of connecting work to the door inner panel is easy, and the rattling after assembly is performed. Can be reliably prevented, and the assembling workability and the effect of preventing rattling after assembling are particularly excellent. Therefore, the present invention is extremely significant in that it solves the problems of the conventional automotive weather strip and contributes to the development of industry.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view showing an embodiment of the present invention. FIG. 2 is a perspective view showing a state before mounting according to the embodiment of the present invention. FIG. 3 is a sectional view showing a conventional example. [Description of Signs] 1 Door trim main body 11 Door inner panel 12 Engagement hole 13 Flange piece 21 Main body 22 Nipping frame 23 Connection part 24 Connection piece 25 Connection groove 26 Engagement claw 27 Lip part

Claims (1)

(1) A holding frame (22) having a substantially U-shaped cross section for inserting and holding a garnish portion of a door trim main body is provided at an upper portion thereof. An automotive vehicle in which a lip portion (27) made of a soft synthetic resin is integrally provided with a main body portion (21) made of a hard synthetic resin provided with a connecting portion (23).
In the weather strip, the connecting portion (23) is
The engaging claw (26) with the engaging hole provided in the upper part of the
A connecting piece (24) provided at the tip, the connecting piece (24) and the holding frame
(22) formed at the upper end of the door inner panel
A weather strip for an automobile, comprising a connecting groove (25) into which the formed flange-shaped piece is inserted .