Outside sealing strip of automobile window and manufacturing method thereof

A technology for sealing strips and windows, applied in sealing devices, engine sealing, mechanical equipment, etc., can solve the problems of poor impact resistance of window sealing strips, achieve light weight, improve impact strength, and more plasticized effects

Active Publication Date: 2013-10-30
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem of poor impact resistance of the existing window sealing strips, the invention provides a window sealing strip with good impact resistance and a preparation method thereof

Method used

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  • Outside sealing strip of automobile window and manufacturing method thereof
  • Outside sealing strip of automobile window and manufacturing method thereof

Examples

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preparation example Construction

[0022] The invention provides a method for preparing a car window sealing strip. The method is to co-extrude the alloy plastic formed by chlorinated polyvinyl chloride and acrylonitrile-butadiene-styrene copolymer and polyvinyl chloride, wherein the The above polyvinyl chloride completely covers the alloy plastic formed by chlorinated polyvinyl chloride and acrylonitrile-butadiene-styrene copolymer, and then pastes the flannelette on the side where the first protrusion is in contact with the window glass. The glue at the bottom of the flannelette is melted and bonded to the soft side of the PVC substrate, and is completely cured and pasted after being shaped by the falling water setting mold and cooled in water.

[0023] Preferably, the alloy plastic formed by the chlorinated polyvinyl chloride and the acrylonitrile-butadiene-styrene copolymer and the polyvinyl chloride co-extruded method are chlorinated polyvinyl chloride and acrylonitrile-butadiene - The raw materials of all...

Embodiment 1

[0029] The total amount of alloy plastics of chlorinated polyvinyl chloride (CPVC) and acrylonitrile-butadiene-styrene copolymer (ABS) is 100 parts, of which the amount of ABS is 12.5 parts; the chlorinated polyvinyl chloride (CPVC) and The raw materials of acrylonitrile-butadiene-styrene copolymer (ABS) alloy plastic and polyvinyl chloride are respectively fed into two extruders for extrusion molding, and the segmental heating temperature of CPVC / ABS is about 185°C; The staged heating temperature is 110°C. Wherein the polyvinyl chloride completely covers the alloy plastic skeleton, and then sticks the flannelette on the side where the first protrusion is in contact with the window glass, melts the glue at the bottom of the flannelette at high temperature and bonds it with the soft side of the PVC substrate, and then it is shaped by falling water After shaping the mold and cooling in water, it is completely solidified and pasted to prepare the sealing strip A1. The raw materi...

Embodiment 2

[0031] Sealing strip A2 was prepared according to the method in Example 1. The difference is: the amount of ABS is 25 parts; there is no second protrusion, the thickness of the skeleton is 0.5cm; the thickness of the burrs is 0.8mm, the length is 3.5mm, and the angle is 130°. The thickness of the first protrusion is 2.3 mm, the length is 13.5 mm, and the angle is 115°.

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Abstract

The invention provides an outside sealing strip of an automobile window. The outside sealing strip comprises a framework and a base body, wherein the framework is made of alloy plastics of chlorinated polyvinyl chloride and acrylonitrile-butadiene-styrene, the framework is in a long-strip shape, and a fracture surface of the framework is shaped like a reversed U-shaped structure. The reversed U-shaped structure comprises a top portion, a first lateral portion close to window glass and a second lateral portion away from the window glass. The base body is made of polyvinyl chloride and wraps on the periphery of the framework, a first protrusion is arranged on the base body on the outer side of the first lateral portion, and lint is arranged on the side of the first protrusion contacted with the window glass. Burrs are arranged on the contact portion of the base body on the inner side of the first lateral portion and an automobile door panel. The invention further provides a manufacturing method of the outside sealing strip of the automobile window. The outside sealing strip of the automobile window is good in binding force, and the manufacturing method of the outside sealing strip is simple, omits steps of adjusting formed steel belts in the prior art and reduces procedures.

Description

technical field [0001] The invention belongs to the field of automobile sealing strips, and relates to a vehicle window outer sealing strip and a preparation method thereof. Background technique [0002] With the development of the national economy, the prosperity of commerce and the continuous improvement of people's living standards, the number of cars is increasing day by day. The lightweight of automobiles has been paid more and more attention by major automobile giants. The sealing performance of automobile glass windows is one of the elements that affect the quality of automobiles. The sealing strip can ensure a seal between the window pane and structural parts of the vehicle, so that environmental influences such as rain, dust and / or wind can be prevented from penetrating into the vehicle interior. In particular there are some special requirements for the sealing strips of movable window panes, whether these windows can be moved completely linearly (vertically or ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60J10/02C08L27/24C08L55/02B60J10/15B60J10/30B60J10/70
Inventor 李宁
Owner BYD CO LTD
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