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Throttling type bell-spigot no-pad connecting pipe material

A technology for connecting pipes and pipes, applied in the direction of pipe connection layout, pipe/pipe joints/pipe fittings, mechanical equipment, etc., can solve the problems of increased use cost, difficult construction, increased transportation cost, etc., to improve work efficiency, connection and installation. Fast and convenient, the effect of reducing installation costs

Active Publication Date: 2013-09-18
四川省国泰通联管业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the transportation cost is increased, the construction is difficult, the connection is inconvenient, the efficiency is low, the structure is complicated, and the use cost is also increased.

Method used

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  • Throttling type bell-spigot no-pad connecting pipe material
  • Throttling type bell-spigot no-pad connecting pipe material
  • Throttling type bell-spigot no-pad connecting pipe material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1: see figure 1 —4:

[0028] A throttling-type socket-and-socket-free connection pipe, in which a socket 20 is provided at one end of the pipe 10, and a socket 30 that can be plugged and connected with the socket 20 is provided at the other end, and the socket 20 is provided at one end of the pipe 10. Reaming part 40, the inner diameter of reaming part 40 is larger than the inner diameter of pipe material 10, on the inner surface of reaming part 40, several independent annular rings 50 are axially spaced, and the socket 30 is at the other end of pipe material 10 The outer surface of the outer surface is provided with an annular convex edge 60 which acts as a limiter. The annular convex edge 60 extends outwards with an insertion part 70. The outer diameter of the insertion part 70 is closely matched with the inner diameter of the independent annular ring 50 on the socket 20. Generally an interference fit.

[0029] The above-mentioned reaming portion 40 and t...

Embodiment 2

[0041] Example 2: see Figure 5 -7:

[0042] The basic structure of this embodiment is the same as that of Embodiment 1, the difference is:

[0043] The socket 21 is: a reaming part 41 is provided at one end of the pipe material 11, and the inner diameter of the reaming part 41 is larger than the inner diameter of the pipe material 11; The annular protruding edge 61 of the position function, the annular protruding edge 61 extends outwards with a plug-in part 71, on the outer cylindrical surface of the plug-in part 71, several independent annular protruding rings 51 are axially spaced, and the independent annular protruding rings 51 The outer diameter is closely matched with the inner diameter of the socket 21, generally an interference fit.

[0044] The cross-section of the independent annular bead 51 is a right triangle or a right trapezoid, its vertical surface 511 faces the pipe 11 , and its conical surface 512 faces the outer end surface of the insertion part 71 .

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Abstract

The invention belongs to the technical field of drain pipes, and particularly relates to a throttling type bell-spigot no-pad connecting pipe material. A bellmouth is formed at one end of the pipe material; a spigot capable of being connected with the bellmouth in a plugging manner is formed at the other end of the pipe material; an annular flange is arranged on the spigot; the spigot is connected with the bellmouth in a plugging manner; or independent annular rings are arranged on an internal wall of the bellmouth; and the spigot is connected in the bellmouth in a plugging manner. According to the pipe material, the spigot and the bellmouth at the two ends of the pipe material are connected in a plugging manner, so that no sealing ring, gasket or washer is required; the connecting and the mounting are quick and convenient without third party equipment, so that the mounting cost is lowered, and the working efficiency is improved; and the pipe material is suitable for various PE (Polyethylene) drain pipes, PVC (Polyvinyl Chloride) drain pipes, PP (Polypropylene) drain pipes and the like.

Description

Technical field: [0001] The invention belongs to the technical field of drainage pipes, in particular to a throttling socket-type non-pad connection pipe. Background technique: [0002] In urban sewage construction, PE drainage pipes and PVC drainage pipes are inseparable. The pipes used in urban drainage, municipal drainage, electric power, petrochemical, coal mine ventilation and other fields are generally of socket type due to the limitation of length. With the gradual maturity of plastic pipe technology, plastic pipe has been widely used. The connection methods of such pipes are generally: sealing ring connection, flange connection or electrofusion connection. These connection methods will use third-party equipment or materials, and the third-party equipment or materials need to be brought to the construction site for operation. Therefore, the transportation cost is increased, the construction is difficult, the connection is inconvenient, the efficiency is low, the st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L47/06
Inventor 冯平
Owner 四川省国泰通联管业股份有限公司
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