IP Library Granted Patent US 12680633
Granted Patent B2
US 12680633 · App. 18/657,830 · Granted Jul 14, 2026

Groove-free quick-insert pipe clamp and processing device thereof

Inventors: Yan Tan (Weifang, CN); Yanjun Wang (Weifang, CN)
Assignee: WEIFANG 100TONG CASTING CO., LTD.
F16L17/04F16L21/06
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Quick Facts
Patent No.
US 12680633
App. No.
18/657,830
Granted
Jul 14, 2026
Kind
B2
Abstract

A groove-free quick-insert pipe clamp includes a pipe clamp group which is combined and fixed with each other and is sleeved between butted pipes, an installation cavity arranged inside the pipe clamp group, and a positioning ring which is movably installed in the installation cavity and realizes shrinkage of an inner diameter by deformation. A bevel group matched with each other is arranged between a side wall of the installation cavity and the positioning ring. When the pipe moves away from the pipe clamp group, the side wall of the installation cavity is driven to move relative to the positioning ring, and the side wall of the installation cavity squeezes the positioning ring toward the axial direction of the pipe through the bevel group. The pipe clamp can tightly press the pipe by the positioning ring through deformation of the shrinkage of the diameter of the positioning ring.

Claims (12)

1 . A groove-free quick-insert pipe clamp, comprising:

a pipe clamp group, wherein the pipe clamp group comprises at least two sub-pipe clamps, the at least two sub-pipe clamps of the pipe clamp group are combined and fixed with each other and are sleeved between butted pipes,

an installation cavity arranged inside the pipe clamp group, and

a positioning ring, wherein the positioning ring is movably installed in the installation cavity and realizes reduction of an inner diameter of the positioning ring by deformation;

wherein a bevel group is arranged between a side wall of the installation cavity and the positioning ring; the bevel group comprises a first bevel arranged on the side wall of the installation cavity and a second bevel arranged on an end face of the positioning ring and attached to the first bevel, wherein the first bevel and the second bevel are matched with each other; when a pipe in the butted pipes moves away from the pipe clamp group, the side wall of the installation cavity is driven to move relative to the positioning ring, and the side wall of the installation cavity squeezes the positioning ring in a predetermined angle and in a direction toward an axial center of the pipe through the bevel group;

wherein a sealing sleeve for increasing a tightness between the butted pipes is installed inside the pipe clamp group; and

the sealing sleeve comprises a first lip portion sandwiched between ends of the butted pipes and a second lip portion corresponding to each of the butted pipes and arranged on a side of the first lip portion, wherein the second lip portion is attached to an outer wall of an opening end portion of each of the butted pipes.

2 . The groove-free quick-insert pipe clamp according to claim 1 , wherein the positioning ring is a partial ring structure and is provided with a notch, wherein the notch is configured to absorb the shrinkage of the positioning ring.

3 . The groove-free quick-insert pipe clamp according to claim 2 , wherein an extension portion made of a deformable material is arranged at the notch.

4 . The groove-free quick-insert pipe clamp according to claim 1 , wherein an inner side of the positioning ring attached to the butted pipes is provided with a texture structure for increasing a friction between the positioning ring and the butted pipes.

5 . The groove-free quick-insert pipe clamp according to claim 1 , wherein a cross section of the second lip portion is in an arc shape, and a radial direction of the second lip portion is directed toward the first lip portion; and

when the pipe moves away from the pipe clamp group, the second lip portion is driven to be deformed and press the outer wall of the opening end portion of each of the butted pipes.