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Outer water cutting sealing strip with hollow structure

A technology of external water cutting and sealing strip, applied in the field of automobile parts manufacturing, can solve the problems of affecting the appearance quality of products, reducing the qualified rate of products, and reducing the overall quality, so as to achieve the effect of saving production costs, improving the qualification rate and ensuring quality.

Pending Publication Date: 2020-11-20
ZHEJIANG UFO AUTOMOBILE MFG CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, since the stretch-bending products need to be assembled with the curved door sheet metal, the bending arc must be consistent with the curved door sheet metal to complete the assembly. Therefore, the precision of the product is high, so the stretch-bending process of the product will be difficult. Reduce the qualified rate of products
[0010] 2), select as Figure 5 The double-reinforced steel strip shown is used as the core material for co-extrusion. Since the double-reinforced steel strip has certain bending properties after forming, it can be directly installed on the door sheet metal without the secondary processing of the stretch-bending process. The use of double-reinforced steel strips will produce shrinkage marks on the surface of the outer water-cut sealing strip, which will affect the appearance quality of the product, resulting in a decline in the overall quality and affecting the appearance

Method used

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  • Outer water cutting sealing strip with hollow structure
  • Outer water cutting sealing strip with hollow structure
  • Outer water cutting sealing strip with hollow structure

Examples

Experimental program
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Effect test

Embodiment 1

[0036] The outer water-cut sealing strip with a hollow structure, the metal skeleton 3 adopts a double-reinforced steel strip, because the double-reinforced steel strip has a certain three-dimensional bending performance after co-extrusion molding, which can meet the installation bending arc of the door sheet metal, so it does not need The secondary stretch bending of the product can greatly save the production cost of the product, and at the same time avoid the problem of low pass rate caused by the stretch bending process, and improve the pass rate of the product.

Embodiment 2

[0038] On the basis of Example 1, a cavity 40 is provided in the coated soft rubber, so that the shrinkage marks generated are hidden in the cavity 40 close to the surface of the metal skeleton 3, and the appearance surface of the outer water-cut sealing strip is consistent with the double-bar steel The strips are separated by cavities 40, so that no shrinkage marks will be produced on the appearance surface of the outer water-cut sealing strip, which ensures the quality of the appearance surface.

[0039] A plurality of serrated protruding structures 41 are equidistantly arranged on the surface close to the metal skeleton in the cavity 40, through which the effect of shrinkage force is reduced by the serrated protruding structures 41, and the depth of shrinkage marks is reduced; the serrated protruding structures 41 and The rib grooves on the double-bar steel belt intersect, and the further said sawtooth protrusion structure 41 is perpendicular to the rib groove on the double-...

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Abstract

The invention discloses an outer water cutting sealing strip with a hollow structure. The sealing strip comprises an automobile door outer plate, an automobile door inner plate and automobile door glass. An upper end of the automobile door outer plate wraps the automobile door inner plate, the outer water cutting sealing strip is included, the automobile door glass makes contact with the outer water cutting sealing strip, the outer water cutting sealing strip is composed of a metal framework and a wrapping flexible glue, and the metal framework is wrapped by the wrapping flexible glue and thenis extruded and formed; the metal framework adopts a double-rib steel belt; a cavity is formed in the wrapping flexible glue so that the secondary stretch bending forming procedure of the outer watercutting sealing strip which is co-extruded by adopting a flat steel belt is avoided, the production cost is reduced, and a product percent of pass is ensured; the outer water cutting sealing strip adopting the double-rib steel belt for co-extrusion has certain three-dimensional bendability so that a secondary stretch bending forming process is avoided, and the production cost is reduced; and theproblem of surface sink marks of a double-rib steel belt co-extrusion product is solved.

Description

technical field [0001] The invention belongs to the technical field of automobile parts manufacturing, in particular, the invention relates to an outer water-cut sealing strip with a hollow structure. Background technique [0002] The outer water cut sealing strip is one of the important sealing parts of the car. It is installed on the outside of the door and window to perform functions such as dustproof, waterproof, noiseproof and appearance decoration. As an exterior decoration, it has high requirements for its appearance. [0003] The design of the outer water-cut sealing strip is greatly affected by the shape of the door sheet metal. The difference in the shape of the door sheet metal leads to a different structure for installing the outer water-cut sealing strip, resulting in a different appearance and structure of the outer water-cut sealing strip. [0004] At present, it can be roughly divided into two categories: one is the straight shape of the outer water-cut seali...

Claims

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Application Information

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IPC IPC(8): B60J10/27B60J10/80
CPCB60J10/27B60J10/80
Inventor 何大安裴炜
Owner ZHEJIANG UFO AUTOMOBILE MFG CO LTD