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Fitting

一种管接头、尖头的技术，应用在管接头领域，能够解决组装作业麻烦、成本高、外径尺寸大型化等问题，达到简单连接作业、稳定密封性能的效果

Active Publication Date: 2016-12-07
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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PUM

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Abstract

In order to provide a pipe joint that simplifies the structure and exerts basic sealing performance and pipeline pull-out resistance, it is composed of only two parts: the pipe joint body (2) and the outer cylinder (5), and the pipe joint body (2 ) has an inner insertion cylinder part (4), the inner insertion cylinder part (4) has an independent protrusion (11), and the outer cylinder body (5) has an internal thread protrusion (7). The outer cylinder (5) forms a helical groove (20) on the outer peripheral surface of the pipe (P) and advances helically, and is combined with the pipe joint body (2) in a final tightened 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 Patents(China)
IPC IPC(8): F16L47/04F16L33/22
CPCF16L33/226F16L47/04F16L47/041F16L33/22F16L19/08F16L19/083
Inventor 井上佳典高田保池本理纱保田秋生
Owner HIGASHIO MECH CO LTD