Separation prevention structure for pipe connection part
A technology of pipe connection and construction, applied in the direction of pipe preventing damage/abrasion, adjustable connection, sleeve/socket connection, etc., which can solve problems such as fluid leakage, no pipe support bending, falling, etc.
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no. 1 Embodiment approach 〕
[0062] Figure 1 to Figure 4 Indicates the detachment prevention structure of the pipe connection part used in the transportation piping system of the fluid. In the detachment preventing structure of the pipe connection portion, the socket 1A of the fluid pipe 1 as an example of one pipe portion is connected to the socket 2A of the fluid pipe 2 as an example of the other pipe portion via the fitting connection portion 20 . The segmented pipe section 30 surrounding the fitting connection 20 in a sealed state is mounted across the two fluid pipes 1 , 2 .
[0063] The portion where the pipe joint 30 and the socket 2A side of the other fluid pipe 2 face each other in the direction of the pipe axis, such as figure 2 , image 3 As shown, a first detachment preventing part 4 is provided, and the first detachment preventing part 4 allows the relative detachment movement of the socket 2A and the socket 1A to the disengaged state of the connection release, and the socket 2A and the p...
no. 2 Embodiment approach 〕
[0109] Figure 9 , Figure 10 In the second embodiment of the detachment preventing structure of the pipe connection portion shown in , the tilt movement regulating protrusion 95 of the tilt movement regulating body 90 described in the above-mentioned first embodiment is omitted. Therefore, if Figure 10As shown, in the disengaged state where the socket 1A and the socket 2A are disconnected, a bending force caused by an earthquake, uneven force of fluid pressure, etc. acts, and the socket 1A moves obliquely with respect to the pipe support portion 30d on one end side of the pipe joint 30 . At this time, the outer surface of the end portion of the socket 1A comes into contact with the tilt movement regulating surface 90 a of the tilt movement regulating body 90 . As a result, the bending state of the socket 1A in the disengaged state and the pipe support portion 30d on the one end side of the pipe joint 30 can be maintained in an appropriate range, and the fluid leakage cause...
no. 3 Embodiment approach 〕
[0112] Figure 11 to Figure 13 In the third embodiment of the detachment prevention structure of the pipe connection part shown in , a T-shaped mechanical joint is formed by the fitting connection part 20 of the socket 1A of one fluid pipe 1 and the socket 2A of the other fluid pipe 2 . This T-shaped mechanical joint is configured by fitting a third sealing member 61 such as a rubber ring, which is compressed into a sealed state (watertight state) between the outer peripheral surfaces 1a of the socket 1A fitted and connected to the socket 2A, to the socket. An annular seal holding groove 60 opening radially inward is formed on the inner peripheral surface of 2A.
[0113] In the pipe joint 30 of the split structure surrounding the fitting connection part 20 in a sealed state, in the disconnected state where the socket 2A and the socket 1A are disconnected, a pipe support is provided to limit the one end side of the socket 1A relative to the pipe joint 30 The tilt movement limi...
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