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Anti-loose movable pipe connecting device

A technology for anti-loosening and connecting ends, which is applied in the direction of pipes/pipe joints/fittings, sealing surface connection, passing components, etc., which can solve the problems of parts wear, increase of installation work time and cost, and inapplicability, so as to achieve strong applicability and anti-corrosion Loose effect Reliable, easy to implement effect

Active Publication Date: 2013-11-20
广东中泽重工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Anti-loosening by means of increased friction, such as raw material tapes, adhesives, etc., is not completely reliable under certain temperature or pressure. When used in occasions where the medium is sensitive to materials, there will be problems of inapplicability; Welding is a relatively strong method, but it will increase additional installation work time and costs, and for occasions that require frequent assembly and disassembly, it will also cause unfavorable conditions such as wear and tear of parts

Method used

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  • Anti-loose movable pipe connecting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The anti-loose movable connection device includes bolts 10, fasteners 20, washers 40, and nuts 30. One end of the bolt has an external convex thread 14, and at least one slot 14-1 is opened on the external convex thread along the bolt axial direction. The other end of the fastener is a nozzle 13; one end of the fastener is provided with a flange 22, and at least one slot 22-1 is opened on the flange, and the other end of the fastener 20 is a nozzle 21; the gasket has at least one insertion end 42; said nut has an internal thread 32;

[0020] The fastener 20 is connected with the bolt 10; the washer 40 fits with the fastener 20 through the inner ring 41 and is in close contact with the flange 22 of the fastener, and the insertion end 42 of the washer is inserted into the fastening The slot 22-1 of the piece and the slot 14-1 of the bolt; the nut 30 is screwed into the bolt 10 through the internal thread 32.

[0021] Preferably, the positions and numbers of the slots of ...

Embodiment 2

[0023] Embodiment 2 is a further improvement on Implementation 1.

[0024] The anti-loosening movable connection device includes bolts 10, fasteners 20, washers 40, and nuts 30. One end of the bolts has an external convex thread 14, and on the external convex thread 14, there is at least one slot 14-1 along the axial direction of the bolt. The other end of the bolt is a nozzle 13; one end of the fastener 20 is provided with a flange 22, and at least one slot 22-1 is opened on the flange, and the other end of the fastener 20 is a nozzle 21; The washer has at least one insertion end 42; the nut 30 has an internal thread 32, and one end of the nut has at least one groove 32-1 concave to the body;

[0025] The fastener 20 is connected to the bolt 10; the washer 40 is matched with the fastener 20 through the inner ring 41 and is tightly attached to the flange 22 of the fastener, and the insertion end 42 of the washer 40 is inserted into the tight The slot 22-1 of the firmware and ...

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PUM

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Abstract

The invention provides an anti-loose movable pipe connecting device which comprises a bolt, a fastening piece, a gasket and a nut, wherein external convex threads are arranged at one end of the bolt, at least one slot position is formed in the external convex threads in the axial direction of the bolt, a pipe connecting port is formed in the other end of the bolt, a flange is arranged at one end of the fastening piece, at least one slot position is formed in the flange in the axial direction of the fastening piece, a pipe connecting port is formed in the other end of the fastening piece, the gasket is provided with at least one inserting end, the nut is provided with internal threads, the fastening piece is connected with the bolt, the gasket is matched with the fastening piece through an inner ring of the gasket and is tightly attached to the flange of the fastening piece, the inserting ends of the gasket are inserted into the slot positions of the fastening piece and into the slot positions of the bolt, and the nut is screwed into the bolt through the internal threads. According to the anti-loose movable pipe connecting device, the gasket with the inserting ends is installed between the fastening piece and the nut, the inserting ends of the gasket are positioned in corresponding slots of the connecting bolt, the fastening piece and the fastening nut, therefore, the relative positions of the connecting bolt, the fastening piece and the fastening nut are fixed reliably, and the anti-disengaging purpose is achieved.

Description

technical field [0001] The invention relates to a movable connection device, in particular to a loose-proof movable connection device. Background technique [0002] Unions are widely used in various industrial or civil fields to connect pipelines under normal pressure or under certain pressure. [0003] Due to the intermittent flow of the pipeline carrying medium or the influence of the vibration source outside the pipeline, the connection and fastening method of the joint is not reliable, and its reliability is related to its connection method, thread preload and other factors, especially in long-term operation or Under the impact of instantaneous overload, it is easy to cause loose joints and leakage accidents. [0004] Therefore, in order to prevent loose joints, such as sealing raw material tape, welding or adhesives, etc. are often used. [0005] The method of increasing friction is used to prevent loosening, such as raw material tape, adhesive, etc., which are not co...

Claims

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Application Information

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IPC IPC(8): F16L19/02
Inventor 郑泽辉
Owner 广东中泽重工有限公司
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