Electroplated steel pipe and metal connector assembly and manufacturing method thereof
A technology of metal connection and manufacturing method, applied in the direction of hose connection devices, manufacturing tools, metal processing, etc., to prevent aging and poor welding, ensure air tightness, and improve productivity
Active Publication Date: 2020-10-09
BLACK SMITH
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- Description
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Problems solved by technology
[0016] Therefore, the present invention is developed to solve the problem of welding and fixing metal connectors on electroplated steel pipes for fluid piping as described above. The metal connector is fixed to the electroplated steel pipe by welding, and there is no need to partially remove the electroplating for welding. The manufacture and assembly are simple, and the airtightness between the electroplated steel pipe and the metal connector can be easily maintained.
Method used
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Embodiment Construction
[0044] A more detailed description follows with reference to the accompanying drawings illustrating preferred embodiments of the invention.
[0045] The invention relates to an assembly of electroplated steel pipes and metal connectors and a manufacturing method thereof. The metal connectors are not fixed on the electroplated steel pipes by welding, and there is no need to partially remove the electroplating for welding. The manufacture and assembly are simple and can be easily placed on the steel pipe. Keep airtight between the electroplated steel pipe and the metal connector, for this reason, the manufacturing method of the present invention is as follows figure 1 As shown, it consists of a steel pipe thread forming step S100, a joint manufacturing step S200, a drying step S400, an O-ring installing step S500, and an assembling step S600. The following steps will be described in accordance with this process.
[0046] (1) Steel pipe thread forming step S100
[0047] In this ...
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The present invention relates to an assembly of a plated steel pipe and a metal fastener, and a manufacturing method therefor. The assembly of a plated steel pipe and a metal fastener comprises: a steel pipe (10) having an outer circumferential surface coated with an antioxidant and having a fastening screw (11) formed on one end of the outer circumferential surface; and a metal fastener (20) having a through hole (21) formed through both sides and having a first screw thread (21) formed on one side thereof and connected to a connection pipe, and a second thread (23) formed on the other side thereof and screwed with the fastening screw (11), wherein an O-ring installing groove (24), into which an O-ring (O) is inserted and fixed, is formed in the metal fastener (20) on the inside of which the second thread (23) is formed, and a nut-shaped nut-forming portion (20A) is formed on the outer circumferential surface of the metal fastener (20). Due to this feature, since the plated steel pipe and the metal fastener are manufactured separately, the manufacturing is simple and thus mass production is easy. Furthermore, it is possible to simply assemble the plated steel pipe and the metal fastener in a secure airtight manner.
Description
technical field [0001] The present invention relates to an assembly of an electroplated steel pipe and a metal connector and a manufacturing method thereof. More specifically, it relates to a method for attaching a metal connector for pipe connection to a steel pipe for fluid piping coated with an antioxidant such as zinc to prevent oxidation of the pipe When the metal connector can be easily assembled on the electroplated steel pipe, the electroplated steel pipe and the metal connector assembly and the manufacturing method thereof are manufactured. Background technique [0002] In general, pipes used in vehicles and various machinery and equipment are formed in various shapes according to required conditions, and such pipes are manufactured by welding or fixing both ends of the pipes to connect with the target parts. [0003] When the piping used at this time (hereinafter referred to as "steel pipe") is a steel pipe, steel pipe coated with an antioxidant such as zinc is mai...
Claims
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IPC IPC(8): F16L33/24F16L33/18F16L9/02B23G1/02B23P19/04B23P15/00
CPCB23G1/02B23P15/00B23P19/04F16L9/02F16L33/18F16L33/24
Inventor 崔镐燮
Owner BLACK SMITH