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Fire resistant rubber pipe assembly

A technology of refractory rubber and pipe assembly, which is applied in the direction of hose connection devices, pipes/pipe joints/fittings, mechanical equipment, etc., which can solve problems such as refractory hose shedding and oil exploration losses, so as to improve connection strength and save use costs and maintenance costs, and the effect of improving pullout resistance

Inactive Publication Date: 2012-08-01
HEBEI JINGBO PETROLEUM MACHINERY
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, since the structure of the fire-resistant rubber hose in the above-mentioned fire-resistant rubber hose assembly includes a fire-resistant rubber layer and an inner rubber tube core layer with a thickness of about 1 / 4-2 / 1 of the pipe wall thickness and high elasticity, the pipe wall is relatively thick. Thick, even if the hose clamp is stronger than the sleeve pressure, due to the structural defects, it is not uncommon to cause the refractory hose to fall off during use, causing huge losses to oil exploration

Method used

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Embodiment Construction

[0018] The structure and operating principle of the fire-resistant rubber hose assembly provided by the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0019] Such as figure 1 Shown is a schematic structural view of the refractory rubber hose assembly provided by the present invention. The structure constituting the pipe assembly includes a refractory rubber pipe 22 and a pipe connector connected to its end. Wherein, the pipe connector includes the following structure: the middle part is provided with a protruding ring (also can be a protruding ring composed of spaced protruding blocks) 1, and the protruding ring or protruding ring 1 is used as a boundary for connecting with The connection end 5 connected by other pipe fittings and the core pipe 3 of the pipe connection section 2 that can be inserted into the end of the rubber hose and the outer wall is a slope-shaped structure. The core pipe is inserted and pe...

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Abstract

The invention belongs to the technical field of rubber pipe assemblies, and discloses a fire resistant rubber pipe assembly used in the petroleum exploration industry. The fire resistant rubber pipe assembly comprises a fire resistant rubber pipe and a pipe joint connected with the end part of the fire resistant rubber tube, wherein the pipe joint comprises a core pipe, an outer sleeve, a front lock ring, an internal nut, a wedged rear lock ring, a front nut and a rear nut. The fire resistant pipe joint not only can meet the requirements of a manifold of which the joint cannot fall off in a high pressure environment of 35 to 140 MPa to 320 MPa, and even can realize field assembly and maintenance of a pipe joint assembly, which greatly reduces use cost and maintenance cost.

Description

technical field [0001] The invention belongs to the technical field of manifolds, and discloses a refractory rubber hose assembly composed of a pipe connector fixed at the end of the rubber hose in oil exploration. Background technique [0002] The refractory hose in the refractory hose assembly used in petroleum exploration is composed of inner rubber tube core for conveying medium, steel braided skeleton layer, outer rubber layer, refractory rubber layer, outer braided steel wire layer and polyurethane insulation layer. When the pipe joint is added at the end, the core pipe forming the pipe joint is inserted into the fire-resistant rubber hose, and a pipe collar is set outside it, and a pipe locking machine is used to press the pipe collar on the fire-resistant rubber hose to form a fire-resistant rubber hose assembly. However, since the structure of the fire-resistant rubber hose in the above-mentioned fire-resistant rubber hose assembly includes a fire-resistant rubber l...

Claims

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Application Information

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IPC IPC(8): F16L33/22
Inventor 刘堪金
Owner HEBEI JINGBO PETROLEUM MACHINERY
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