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Watertight or oil-tight trapezoid and rectangle combined cross section cavity convex rib flat and straight sealing strip

A sealing strip and trapezoidal technology, applied in the field of rubber seals, can solve the problems of weak sealing, poor elasticity, and small compression deformation of the sealing strip, and achieve the effects of good sealing, good elasticity and large compression deformation.

Inactive Publication Date: 2014-06-11
周建凤
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AI Technical Summary

Problems solved by technology

The compression deformation of the sealing strip is small and the elasticity is poor, so the sealing performance is relatively weak

Method used

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  • Watertight or oil-tight trapezoid and rectangle combined cross section cavity convex rib flat and straight sealing strip

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Embodiment Construction

[0015] see figure 1 , figure 1 It is a schematic diagram of the cross-sectional structure of the watertight or oil-tight trapezoidal rectangular composite cross-section cavity convex rib straight sealing strip of the present invention. Depend on figure 1 It can be seen that the watertight or oil-tight trapezoidal rectangular combined cross-section cavity convex rib straight sealing strip of the present invention includes the sealing strip body 1, the sealing strip body 1 is in the shape of a straight strip, and the material of the sealing strip body 1 is EPDM rubber. The cross-section of the upper part 11 of the sealing strip body 1 is trapezoidal, and the cross-section of the lower part 12 is rectangular. There is a cavity 2 in the middle of the sealing strip body 1 along the length direction of the sealing strip body 1. The shape of the cavity 2 is the same as that of the sealing strip body 1. ; A convex rib 3 is provided on the left and right slopes of the sealing strip b...

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Abstract

The invention relates to a watertight or oil-tight trapezoid and rectangle combined cross section cavity convex rib flat and straight sealing strip, which is mainly used for sealing a boat cargo cabin cover. The sealing strip comprises a sealing strip body (1), wherein the sealing strip body (1) is in a flat and straight strip shape and is made of ethylene-propylene-diene monomers, the cross section of an upper part (11) of the sealing strip body (1) is in a trapezoid shape, the cross section of a lower part (12) is in a rectangle shape, the middle of the sealing strip body (1) is provided with a cavity (2) in the length direction of the sealing strip body (1), the appearance of the cavity (2) is identical to the appearance of the sealing strip body (1), and one convex rib (3) is respectively arranged on the left inclined surface and the right inclined surface of the sealing strip body (1). The sealing strip provided by the invention has the advantages that the cross section of the sealing strip body is formed by combining the trapezoid at the upper part and the rectangle at the lower part, the compression deformation quantity is great, and the elasticity is better, so the sealing performance is relatively good, and the intensity is high.

Description

(1) Technical field [0001] The invention relates to a rubber sealing strip. It is mainly used for the sealing of ship cargo hatch covers. It belongs to the technical field of rubber seals. (2) Background technology [0002] Before the present invention was made, the sealing strips currently used for the sealing of ship cargo hatch covers were all made of EPDM with a cavity square cross-section straight strip structure. The compression deformation of the sealing strip is small and the elasticity is poor, so the sealing performance is relatively weak. (3) Contents of the invention [0003] The object of the present invention is to overcome the above disadvantages and provide a watertight or oiltight trapezoidal rectangular combined cross-section hole convex rib flat straight sealing strip with large compression deformation and good elasticity. [0004] The purpose of the present invention is achieved in this way: a watertight or oil-tight trapezoidal rectangular composite...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E06B7/23
Inventor 周建凤
Owner 周建凤
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