US 2024/0360926 A1Published application

Press-fitting joint for combined pipeline

AssigneeNingbo Purey Flow Technology Co., Ltd.

InventorsJihong Zhang, Qihao Zhzng

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Abstract

A press-fitting joint for combined pipeline includes a pipe coupling, a sealing ring, a gear ring and an elastic gasket. An inner face of the gear ring is provided with a plurality of embedded teeth arranged towards an axis, a press-fitting section of the pipe coupling is provided with a circumferential groove on an inner surface thereof, the sealing ring, the elastic gasket and the gear ring are mounted in the circumferential groove and arranged sequentially along an axial direction from an outer side to an inner side, an outer end face of the gear ring is axially matched with an outer sidewall of the circumferential groove, and an inner sidewall of the circumferential groove is axially matched with the sealing ring, outer circumferential faces of the gear ring, the elastic gasket and the sealing ring are in contact and matched with a bottom face of the circumferential groove.

Claims10

Dependent claims

A press-fitting joint for combined pipeline, comprising a pipe coupling (1), a sealing ring (2), a gear ring (3) and an elastic gasket (4),

an inner face of the gear ring (3) being provided with a plurality of embedded teeth (5) which is arranged towards an axis,
a press-fitting section of the pipe coupling (1) being provided with a circumferential groove (6) on an inner surface thereof, the sealing ring (2), the elastic gasket (4), and the gear ring (3) being mounted in the circumferential groove (6) on inner surface and arranged sequentially along an axial direction from an outer side to an inner side,
an outer end face (7) of the gear ring (3) being axially matched with an outer sidewall (8) of the circumferential groove (6) on inner surface, and an inner sidewall (9) of the circumferential groove (6) on inner surface being axially matched with the sealing ring (2),
an outer circumferential face of the gear ring (3), an outer circumferential face of the elastic gasket (4), and an outer circumferential face of the sealing ring (2) being in contact and matched with a bottom face (10) of the circumferential groove (6) on inner surface.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 18/744,719Filed 17 Jun 2024
Priority: CN 202320950045.X25 Apr 2023
Published: 31 Oct 2024
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

F16L 13/14
Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints: made by plastically deforming the material of the pipe, e.g. by…
F16L 13/142
By crimping or rolling from the outside: with a sealing element inserted into the female part before crimping or rolling
F16L 13/00
Non-disconnectable pipe joints
F16L 13/16
Made by plastically deforming the material of the pipe, e.g. by flanging, rolling: the pipe joint consisting of overlapping extremities having…

Family

Application18/744,719Continuation
US 2024/0360926 A1This patent

From the US filing history. Foreign family members aren’t listed.

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