An anti-loosening device for pipe joints
A technology for pipe joints and loosening, applied in the direction of pipes/pipe joints/fittings, threaded connections, passing components, etc., can solve problems such as cumbersome operation, low efficiency, and poor maintainability
Active Publication Date: 2020-07-07
AECC SHENYANG ENGINE RES INST
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Problems solved by technology
[0004] The purpose of this application is to provide an anti-pipe joint loosening device to solve the problems in the prior art that special tools are required for installation, the operation is cumbersome, the efficiency is low, and the maintainability is poor
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[0025] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application. Embodiments of the present application will be described in detail below in conjunction with th...
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The invention belongs to the technical field of pipeline connection design, and particularly relates to a pipe joint loosening preventing device. The pipe joint loosening preventing device comprises aclamping ring and a supporting rod, wherein the clamping ring comprises an inner ring and an outer ring, a regular hexagon groove is formed in the end face of the axial end of the inner ring and is matched with a pipe joint nut, through holes which are equal to a radius of a center of a circle of the inner ring are formed in the outer ring, and every two adjacent through holes in the outer ringare tangent; and the supporting rod comprises a nut sleeve and a pin rod, wherein the nut sleeve is matched with a pipe joint nut, the pin rod is coaxially arranged on the outer wall of the nut sleeve, the pin rod is in clearance fit with the through holes, one end, far away from the nut sleeve, of the pin rod is arranged with a limiting device, and the limiting device is used for limiting retracement and displacement in the axial direction after the pin rod is inserted to the through holes. According to the pipe joint loosening preventing device, assembling or disassembling is simple and fast, and the assembling or disassembling efficiency is improved; rapid assembly and disassembly operation can be completed even for a region with a narrow space, and the maintainability is good; and thedevice is firm and reliable after the device is assembled, and the device can effectively prevent a pipeline joint part from being loosened.
Description
technical field [0001] The application belongs to the technical field of pipeline connection design, in particular to a device for preventing loosening of pipe joints. Background technique [0002] The connection of the pipeline usually adopts the form of connecting the pipe joint and the outer nut. The pipe joint and the outer casing nut are usually provided with an external hexagonal structure, which is used for the tightening of the wrench tool. Usually there are safety holes at both ends, and the anti-loosening method adopts the method of locking both ends with a lock wire. The method of locking with a lock wire has disadvantages: special tools are required for installation, the operation is cumbersome, and the efficiency is low; usually there are many pipelines, It takes a lot of man-hours to complete the installation work; it is difficult to install and disassemble in areas with small spaces, and the maintenance is poor; there are certain requirements for the technica...
Claims
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IPC IPC(8): F16L15/08
CPCF16L15/08
Inventor 张东林郑健任立新
Owner AECC SHENYANG ENGINE RES INST