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Pipe joint

A technology of pipe joints and pointed tips, applied in the field of pipe joints, can solve the problems of high cost, troublesome assembly operation, large outer diameter size, etc., and achieve the effect of stable sealing performance and simple connection operation.

Active Publication Date: 2015-01-07
HIGASHIO MECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, it is necessary to assemble the diameter-expanding piece 36 to the slit 51 of the fastening ring body 35 in advance to form a unit. In addition, it is necessary to screw and assemble the outer cylinder 39 and the cap nut 40, and there is a problem that the assembly work is troublesome, and Problems with larger outer diameters, problems with a large number of parts and high costs

Method used

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Embodiment Construction

[0036] Hereinafter, the present invention will be described in detail based on the illustrated embodiments.

[0037] exist Figure 1 to Figure 6 In, an embodiment of the present invention is shown, P is a connected pipe formed of a resin material, and the pipe joint 10 of the present invention is composed of a pipe joint body 2 and an outer cylinder 5 that can be freely combined with the pipe joint body 2 , consisting of 2 parts.

[0038] The pipe joint body 2 protrudes and has a pointed and conical inner sleeve portion 4 inserted into the end portion 3 of the pipe P. As shown in FIG. A plurality of annular independent protrusions 11 are formed on the outer peripheral surface of the insertion cylinder portion 4 . Further, in the vicinity of the base end of the inner insertion cylindrical portion 4 , the hexagonal portion 13 is continuously provided via the stepped surface 12 , and the male screw cylindrical portion 14 is continuously provided with the hexagonal portion 13 . ...

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Abstract

To provide a pipe joint with which the construction is made simple and compact, and basic sealing ability and resistance to pipe drawing force are shown, the pipe joint is composed only two parts of a pipe joint main body 2 and an outer cylinder body 5, the pipe joint main body 2 has an inserted cylinder portion 4 having independent ridges 11, and the outer cylinder body 5 has an inner screw thread 7. The outer cylinder body 5 screws and forms a spiral groove 20 on a peripheral face of a pipe P, and connects to the pipe joint main body 2 in a final fastened state.

Description

technical field [0001] The present invention relates to pipe joints. Background technique [0002] Various pipe joints have been proposed in the past, but the number of parts is large and the structure is complicated. [0003] For example, the applicant proposes as Figure 12 A pipe joint of the structure shown (refer patent document 1). which is, Figure 12 The shown pipe joint proposes a pipe joint having the following structure: a joint body 32 having an insertion cylinder 33 inserted into the end of a pipe 31 to be connected; a seal member 34 attached to the end of the insertion cylinder 33 Concave circumferential groove 37; Fastening ring body 35 with slit, which is used to fasten the end of the above-mentioned pipe 31 embedded in the above-mentioned insertion cylinder portion 33 with elastic fastening force; Diameter expansion piece, which resists The elastic force of the fastening ring 35 enables the fastening ring 35 to be detachably clamped at the end of the slit ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L47/04F16L33/22
CPCF16L19/083F16L33/226F16L47/04F16L47/041F16L33/22F16L19/08
Inventor 井上佳典高田保池本理纱保田秋生
Owner HIGASHIO MECH CO LTD