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Open type ring flange for fastening high-pressure oil tube

A high-pressure oil pipe, tightening technology, applied in the direction of flange connection, pipe/pipe joint/pipe fitting, through components, etc., can solve the problems of low production efficiency, short service life, large material consumption, etc., to achieve high manufacturing production efficiency, The effect of long service life and high overall strength

Inactive Publication Date: 2009-09-30
王玉耀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing open-body high-pressure flanges are generally formed by casting and further processed. Not only is the structure unreasonable, but the overall strength is poor, the material consumption is large, the production efficiency is low, the service life is short, and the sealing effect is not satisfactory.

Method used

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  • Open type ring flange for fastening high-pressure oil tube
  • Open type ring flange for fastening high-pressure oil tube

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0011] Such as figure 1 , 2 As shown, a set of products of the present invention includes two sets of flange bodies 3 with the same shape and structure. During use, the two sets of flange bodies 3 are installed from the two sides of the oil pipe respectively, and the mating surface 4 of the flange body 3 is in contact with the flange body 3. The outer wall of the oil pipe is matched and contacted. The flange body 3 is made of No. 45 steel through forging.

[0012] The inner wall surface of the flange body 3 is the so-called mating surface 4 . Below the mating surface 4 , that is, an annular sealing groove 2 is processed on the inner wall of the lower end of the flange body 3 . The upper end of the flange body 3 is a reinforcing rib 5 integrally constructed, and the inner wall surface of the reinforcing rib 5 is also a mating surface. The p...

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Abstract

The invention is an open type ring flange for fastening a high-pressure oil tube. Below a matching surface (4) of a cast and formed flange body (3), namely the internal wall at the lower end of the flange body (3) is provided with a ring-shaped sealing groove (2); and the upper end of the flange body (3) is a reinforcing rib (5) integrated with the flange body (3) into a whole. The open type ring flange has higher integrative strength, is difficulty to damage, has longer service life and higher manufacturing productivity, saves raw materials, and guarantees that the pipeline and a hydraulic oil cylinder are closed more tightly and firmly.

Description

(1) Technical field [0001] The invention relates to a flange, in particular to a novel split-type high-pressure flange. (2) Background technology [0002] In order to connect the high-pressure oil pipe to the oil cylinder conveniently and stably, a split flange is usually used to connect the pipe head to the oil cylinder body. The existing open-body high-pressure flanges are generally formed by casting and further processed. Not only is the structure unreasonable, but the overall strength is poor, the material consumption is large, the production efficiency is low, the service life is short, and the sealing effect is not satisfactory. (3) Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a split-type high-pressure oil pipe fastening flange, which is molded by forging and its structure is improved to increase the strength of the flange and improve its sealing performance, so as to overcome the existing casting split...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L23/032
Inventor 王玉耀
Owner 王玉耀
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