Connecting tube of end of water system of central air conditioner and manufacture process thereof
A technology of central air conditioning and manufacturing process, applied in the direction of hose connection device, pipe/pipe joint/pipe fitting, hose, etc., can solve the problems of stainless steel pipe cracks and leakage, and achieve good sealing, simple manufacturing process and smooth end surface Effect
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[0010] As shown in the figure, the present invention is mainly composed of a bellows 5. The two ends of the bellows 5 are provided with ribs 4, and the ribs 4 are provided with a fixed sealing ring 3 injection-molded at one time. The fixed sealing ring 3 is also provided with a joint nut 2, the joint nut 2 is screwed to the joint 1, and the convex rib 4, the one-time injection-molded fixed sealing ring 3 and the joint 1 are compressed through the joint nut 2 to achieve a tight seal. connection effect.
[0011] The manufacturing process of the present invention is: because the ribs 4 are provided near the two ports of the corrugated pipe 5, the ribs 4 that are located near the two ports of the corrugated pipe 5 are also formed at one time when the corrugated pipe 5 is manufactured. The ribs 4 on the bellows 5 are partially put into the injection molding machine, and the outer periphery of the ribs 4 is poured into a fixed sealing ring 3 .
[0012] The invention is suitable for...
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