Rifeng Enterprise (foshan) Co., Ltd.

Rifeng Enterprise Group Co., Ltd.

Rifeng Technology Co., Ltd.

Rifeng New Material Co., Ltd.

Rifeng Enterprise Co., Ltd.

Huijian Cao

Zhenbin Diao

Ali Chen

Xiyong Lin

Ximin Li

Jiajia Cheng

Wenfeng Chen

Xin Li

Jianbo Liao

Wenting Li

Shuohao Chen

Hui Wang

Wangzhi He

Hejin Zhang

Xiuli Fu

Shiyu Sun

Yong Xie

Hao Liu

A sealing structure includes an inner pipe, an outer pipe, and a sealing ring, where the outer pipe is detachably sleeved on the inner pipe, a slot for inserting a pipe is formed between an inner wall of the outer pipe and an outer wall of the inner pipe, and the outer wall of the inner pipe is provided with a sealing groove for placing the sealing ring; the sealing ring includes a main body provided with a lip; the sealing groove includes a first sealing groove and a second sealing groove, the first sealing groove and the second sealing groove are stepped; the bottom of the lip fits the bottom of the first sealing groove; and the bottom of the main body fits the bottom of the second sealing groove.

Sealing structure

A pipe fitting joint assembly including a guide sleeve, provided with a first concave-convex structure on the outer wall of one end thereof, a connecting body, provided with a second concave-convex structure on the inner walls of both ends thereof, and an inner gear ring provided with a third concave-convex structure on an inner ring thereof and a fourth concave-convex structure on an outer ring thereof. The inner gear ring is concentrically inserted into the connecting body. The fourth concave-convex structure and the second concave-convex structure are in interference fit. The guide sleeve is concentrically inserted into the inner ring gear of the connecting body. The first concave-convex structure and the fourth concave-convex structure are in clearance fit therebetween using a moving interference manner.

Pipe fitting joint assembly

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Foshan, China

Huijian Cao