Glue-injection seamless socket connection method for thin-wall stainless steel pipeline
A seamless socket, stainless steel technology for non-removable pipe connections, pipes/fittings/fittings, through elements, etc.
Inactive Publication Date: 2015-10-14
刘从荡
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- Application Information
AI Technical Summary
Problems solved by technology
[0003] The purpose of the present invention is to provide a new glue-injection seamless socket connection method for thin-walled stainless steel pipes, so as to solve the problems in the installation process in the above-mentioned patent application, so that the adhesive can fill the socket on the socket. The entire bonding surface, and the adhesive will not overflow a lot
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0008] The pipe fitting body (1) is made of the same material as the pipe (6) stainless steel, and is manufactured by a combination of bulge forming and argon arc welding. The axial length of sealing ring (2) is 6~10mm, and the diameter difference between the large and small ends of its conical inner hole is 2 times of the pipe wall thickness, and it is made of EPDM rubber. The gap of the anti-overflow ring (5) is 0.5-1.5 mm wide, and is made of EPDM rubber. Adhesive (4) adopts acrylic ester two-component glue, and adopts two-component adhesive glue injector to inject from injection hole (3).
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The invention discloses a glue-injection seamless socket connection method for a thin-wall stainless steel pipeline, which is characterized in that a trapezoidal section sealing ring (2) is arranged in an annular groove at the inner end of a socket of a pipe body (1); an inner hole of the trapezoidal section sealing ring (2) is conical; an O-shaped overflow prevention ring (5) is arranged in an annular groove at the outer end of the socket; a hollow bulge is arranged on the socket connected with the annular groove at the inner end of the socket; a glue-injection hole (3) is formed in the bulge; a notch is formed in the O-shaped overflow prevention ring (5), and located in a position forming a radial opposite surface with the glue-injection hole (3); a pipe (6) penetrates through the overflow prevention ring (5) through the socket of the pipe body (1) and is inserted into the sealing ring (2); the end face of the pipe (6) is located in the sealing ring (2); then an adhesive (4) is injected from the glue-injection hole (3); and when the adhesive (4) flows out of the notch of the overflow prevention ring (5), glue injection is stopped.
Description
technical field [0001] The invention relates to a glue-injection seamless socket connection method for thin-walled stainless steel pipes, which is suitable for thin-walled stainless steel pipes transporting various fluids. Background technique [0002] Glue-injection thin-walled stainless steel pipe sealing and bonding method. Its pipe fittings are composed of pipe fitting body and sealing ring. The socket of the pipe body is cylindrical, and an annular groove is connected to each other at the inner end of the socket, and an O-shaped sealing ring is housed in the groove. A hemispherical hollow protrusion is provided on the socket, and a glue injection hole is opened on the hemispherical hollow protrusion. The tube is inserted into the socket of the fitting and the end of the tube passes through the seal. Then inject the adhesive through the glue injection hole on the socket to form the bonding structure of the cylindrical socket. Contents of the invention [0003] The ...
Claims
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IPC IPC(8): F16L13/10
CPCF16L13/10F16L13/103
Inventor 刘从荡
Owner 刘从荡