CN2137319Y

CN2137319Y - Pipe line loose joint

Info

Publication number: CN2137319Y
Application number: CN 92216428
Authority: CN
Inventors: 张旗山; 张志强
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-07-05
Filing date: 1992-07-05
Publication date: 1993-06-30
Anticipated expiration: 2002-07-05

Abstract

The utility model relates to a pipe line loose joint mainly used for connection of pipelines and particularly for connection of hot-water heating pipelines. The loose joint is an improver based on the original loose joint. The two inner connecting members of the original loose joint are changed into outer connecting members, or one of the inner connecting members is changed into an outer connecting member, and the other is reserved. Thus an external thread short pipe is not needed to use in pipe joint, thereby, saving a great amount of material and manhour, which is convenient for installation and maintenance and enhances the quality.

Description

Pipe line loose joint

The utility model relates to a kind of novel pipeline loose joint, belongs to link, is mainly used in the connection of pipeline, and especially for the connection of heat with heating pipe, it is made up of outer and link.

At present, be used for the link of pipeline, especially for the link of hot water heating pipeline---loose joint, generally adopt overcoat to connect two this structures of link, two links adopt the internal thread mode to be connected with pipeline by outer silk short tube.The deficiency of this loose joint is, must be when being connected by an outer short tube with pipeline, and this has just caused a large amount of wastes, and brings certain difficulty to installation.

The purpose of this utility model is to overcome above-mentioned deficiency of the prior art and a kind of novel pipeline loose joint product of developing.

The purpose of this utility model can reach by following measure:

This Pipe moveable joint is made up of overcoat (1), link (2), link (3) and rubber cushion (4).Link (2) and link (3) all are the outside thread links.Link (2) axially has through hole, and its B end and C end are processed with outside thread, between C end and B end one section outer-hexagonal type step is arranged, and the outside thread of B end is meshed with the internal thread of overcoat (1).Link (3) axially has through hole, and its shaft shoulder D one end is boss E, and the other end F is processed with outside thread, between F end and the shaft shoulder D one section outer-hexagonal type step is arranged.Boss E matches with the endoporus of link (2) B end, is installed in simultaneously in the overcoat (1).

The purpose of this utility model can also reach by following measure:

Link (2) is the internal thread link, and link (3) is the outside thread link, and the structure of part (3) is constant.Link (2) B end is processed with outside thread, and the C end is for the outer-hexagonal type and be processed with internal thread, and the B end is meshed with overcoat (1) internal thread, and the boss E of link (3) matches with the endoporus of link (2) B end, is installed in simultaneously in the overcoat (1).

When the loose joint diameter is 1 1/2 " time, the outside thread of link (3) F end is processed into left side button.

When link (2) and link (3) when being installed together, between the A end face of the A ' end face of part (2) and part (3) rubber cushion (4) is installed.

The drawing of accompanying drawing is described as follows:

Fig. 1 is a general assembly schematic representation of the present utility model, (1) overcoat wherein, (2), (3) link, (4) rubber cushion.

Fig. 2 is the link (2) of Fig. 1, wherein C, B, screw thread, A ' end face.

Fig. 3 is the link (3) of Fig. 1, A end face wherein, the D shaft shoulder, E boss, F screw thread.

Fig. 4 is the another kind of structure of link (2), A ' end face wherein, B screw thread, C outer-hexagonal type.

The utility model has following advantage compared to existing technology:

1, can save outer silk short tube during connecting tube.

2, structure is reasonable, and easy construction improves work efficiency.

3, save material, save man-hour, remarkable benefit.

Below the utility model is described further:

This loose joint is the improvement on the basis of original loose joint, original two links that have interior button are become the link that has outer button, perhaps becoming a band buckles outward, two links of button in another band, these two links and overcoat are installed together, just formed a kind of novel loose joint, thereby solved when pipe fitting connects, the problem that must use outer silk short tube to be connected between loose joint and the pipe fitting.Owing to do not use outer silk short tube, just saved wide variety of materials, saved man-hour, made things convenient for and installed and maintenance, improved quality, economic benefit is very remarkable.

Claims

1, a kind of novel pipeline loose joint, by overcoat (1), link (2), link (3) and rubber cushion (4) are formed, it is characterized in that: link (2) and link (3) all are the outside thread links, link (2) axially has through hole, its B end and C end are processed with outside thread, between C end and B end, one section outer-hexagonal type step is arranged, the outside thread of B end is meshed with the internal thread of overcoat (1), link (3) axially has through hole, its shaft shoulder D one end is boss E, and the other end F is processed with outside thread, between F end and the shaft shoulder D one section outer-hexagonal type step is arranged, boss E matches with the endoporus of link (2) B end, is installed in simultaneously in the overcoat (1).

2, according to the said novel pipeline loose joint of claim 1, it is characterized in that: link (2) is the internal thread link, link (3) is outside thread link (the same with the part in the claim 1 (3) structure), link (2) B end is processed with outside thread, the C end is for the outer-hexagonal type and be processed with internal thread, the B end is meshed with overcoat (1) internal thread, and the boss E of link (3) matches with the endoporus of link (2) B end, is installed in simultaneously in the overcoat (1).

3, according to the said novel pipeline loose joint of claim 1, it is characterized in that: when the loose joint diameter is 1 1/2 " time, the outside thread of link (3) F end is processed into left side button.

4, according to the said novel pipeline loose joint of claim 1, it is characterized in that:, between the A end face of the A ' end face of part (2) and part (3) rubber cushion (4) is installed when link (2) and link (3) when being installed together.