Hose coupler
A hose joint and a technology for connecting hoses, applied in the field of pipe joints, can solve the problems of connection strength, tightness, cumbersome and laborious loading and unloading operations, etc.
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[0019] See Figure 1 to Figure 4 .
[0020] by figure 1 It can be seen that the expansion hoop joint is mainly composed of three parts: connecting live nut A, expanding tube bolt B, and hoop nut C.
[0021] See figure 2 :Expanding bolt B, composed of hexagonal inner hole 1, pipe connecting external thread 2, expanding pipe external thread 3, hose guide section 4, step stop 8.
[0022] The inner hexagon hole 1 should be selected from the standard hexagon hole system. The selection principle is that the inscribed circle diameter of the inner hexagon hole is slightly larger than or equal to the through hole diameter of the expanding tube core to ensure that the joint has the largest through hole medium flow.
[0023] Pipe connection external thread 2 and expansion tube external thread 3 are cylindrical and conical sections of the same thread surface; the outer diameter of the pipe connection external thread 2 can be combined with the material of the connected hose D according to the dia...
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