CN106439283A - Connecting pipe system - Google Patents

Connecting pipe system Download PDF

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Publication number
CN106439283A
CN106439283A CN201610906166.9A CN201610906166A CN106439283A CN 106439283 A CN106439283 A CN 106439283A CN 201610906166 A CN201610906166 A CN 201610906166A CN 106439283 A CN106439283 A CN 106439283A
Authority
CN
China
Prior art keywords
pipe
aperture
male
tube
female
Prior art date
Application number
CN201610906166.9A
Other languages
Chinese (zh)
Inventor
曾广新
Original Assignee
曾广新
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 曾广新 filed Critical 曾广新
Priority to CN201610906166.9A priority Critical patent/CN106439283A/en
Publication of CN106439283A publication Critical patent/CN106439283A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/04Screw-threaded joints; Forms of screw-threads for such joints with additional sealings

Abstract

The invention proposes a connecting pipe system. The connecting pipe system comprises a male head pipe and a female head pipe; a step hole is formed in the female head pipe for dividing the female head pipe into a large-aperture part and a small-aperture part; the end part of the male head pipe is inserted in the large-aperture part of the female head pipe; and the male head pipe and the female head pipe are sealed through a thread connecting and sealing structure. Through the structures of a thread and a sealing ring, the pipe sealing effect is better; and after the female head pipe is expanded, through matching of internal and external threads and reinforcement of the sealing ring, a connecting part reaches a dual sealing effect, other redundant processes are not needed, the operation flow is reduced, and the equipment quality and the production efficiency are improved.

Description

Connecting tube system

Technical field

The present invention relates to five metals building materials field, particularly relates to a kind of connecting tube system.

Background technology

The connecting tube of general five metals building materials field is all that the form for being coordinated by socket or screw thread is connected, but building materials The tubing in field is used as water pipe, can pass through liquid semi liquid state material inside which.Pipe fitting of the prior art easy because The problems such as causing tap water excessive for the gap of screw thread.When pipeline needs to take up bulky grain or corrosive liquids, liquid warp Cross corrosion or the rustization that can cause at screw thread at screw thread.

Content of the invention

The present invention proposes a kind of connecting tube system, solves and easily receives at the easy leakage of connecting tube in prior art or screw thread The problem of infringement.

The technical scheme is that and be achieved in that:

Connecting tube system, including male pipe and female pipe, is provided with stepped hole inside the female pipe, and stepped hole is by female pipe It is divided into large aperture portion and small-bore portion, the male tube end is plugged in inside the large aperture portion of the female pipe, the male It is threaded connection between pipe and the female pipe and sealing structure is sealed, the sealing structure is with the helicitic texture most Closely A, wherein A > 0.

Used as the preferred version of the present invention, the male pipe outer wall is provided with external screw thread, also sets in the male pipe outer wall There is N number of mounting groove for being surrounded on male tube section, the mounting groove is ring seal structure and is located at the externally threaded top Or/and bottom, the female pipe relevant position is provided with the female thread for matching with external screw thread, wherein N >=1.

As the preferred version of the present invention, on the mounting groove, sealing ring is cased with, the sealing ring cross-section is circle, its section Face diameter D1, the mounting groove depth H 1, wherein D1 > H1, sealing ring forms interference fit system with large aperture portion.

As the preferred version of the present invention, the large aperture portion by the end in small-bore portion is obtained through reaming, institute It is a transition bench to state between large aperture portion and small-bore portion, and the transition bench is domatic for annular, and the transition bench and large aperture are horizontal Section forms angle [alpha], 90 ° of wherein 0 °≤α <.

Used as the preferred version of the present invention, the male pipe is pvc pipe or the one kind in metal tube with female pipe.

As the preferred version of the present invention, the male bore D2, the small-bore portion internal diameter D3, wherein D2 >=D3.

As the preferred version of the present invention, the closing bulge loop for matching with sealing ring, institute inside the large aperture portion, is provided with Bulge loop internal diameter is stated more than the major diameter of external thread, when male pipe screws complete with female pipe, the bulge loop and the sealing ring Recline to increase sealing intensity.

Truncated cone sealing member is provided with transition bench, and when male pipe is tightened with female pipe, sealing member blocks male pipe port Sealed.

Beneficial effects of the present invention:The present invention proposes a kind of connecting tube system, including male pipe and female pipe, the mother Stepped hole is provided with inside head tube, female pipe is divided into large aperture portion and small-bore portion by stepped hole, the male tube end is plugged in Inside the large aperture portion of the female pipe, be threaded connection between the male pipe and the female pipe and sealing structure in addition Sealing.By screw thread and the structure of sealing ring, make pipe fitting sealing effectiveness more preferable, female pipe is carried out, after reaming, passing through by the present invention Internal and external threads coordinate, and the reinforcing plus sealing ring, make connecting portion reach the effect of dual-seal, it is not necessary to other unnecessary works Skill, is reducing making link, while improve production efficiency, does not reduce the quality of workpiece, makes pipe fitting quality on the contrary Greatly enhance.

Description of the drawings

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.

Fig. 1 is 1 fit structure schematic diagram of the embodiment of the present invention;

Fig. 2 is 1 male tubular construction schematic diagram of embodiment;

Fig. 3 is 1 female tubular construction schematic diagram of embodiment;

Fig. 4 is 2 seal configuration schematic diagram of embodiment;

Fig. 5 is that 2 seal configuration of embodiment improves figure.

In figure, male pipe 1, mounting groove 11, external screw thread 12, female pipe 2, large aperture portion 21, female thread 22, transition bench 23, Small-bore portion 24, sealing ring 3.

Specific embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.

Embodiment 1

Connecting tube system as shown in Figure 1, with male pipe 1 and female pipe 2, is provided with stepped hole, step inside female pipe 2 Female pipe is divided into large aperture portion 21 and small-bore portion 24 by hole, and 1 end of male pipe is plugged in the large aperture portion 21 of female pipe 2 Portion.

1 outer wall of male pipe is provided with external screw thread 12 as described in Figure 2, and external screw thread 12 is located at male pipe top, 1 outer wall of male pipe On be additionally provided with 2 mounting grooves 11 for being surrounded on 1 section of male pipe, wherein mounting groove rectangular cross-section, mounting groove 11 is annular envelope Structure and the bottom located at external screw thread 12 is closed, as shown in figure 3, in 2 relevant position of female pipe is provided with external screw thread 12 and matches Screw thread 22.

Sealing ring 3 is cased with mounting groove 11, and 3 section of sealing ring is circle, its diameter of section D1,11 depth H 1 of mounting groove, Wherein D1 > H1, sealing ring 3 forms interference fit system with large aperture portion 21.

Large aperture portion 21 by the end in small-bore portion 24 is obtained through reaming, large aperture portion 21 and small-bore portion 24 it Between be a transition bench 23, transition bench is domatic for annular, and transition bench and 24 cross section of large aperture form angle [alpha], wherein α=45 °.

Male pipe 1 is pvc pipe with female pipe 2.

Male bore D2, small-bore portion internal diameter D3, wherein D2 >=D3.

The closing bulge loop for matching with sealing ring 3 is provided with inside large aperture portion 21, and bulge loop internal diameter is more than major diameter of external thread, when When male pipe 1 screws complete with female pipe 2, bulge loop is reclined with the sealing ring 3 to increase sealing intensity.

Embodiment 2

Connecting tube system as shown in Figure 1, with male pipe 1 and female pipe 2, is provided with stepped hole, step inside female pipe 2 Female pipe is divided into large aperture portion 21 and small-bore portion 24 by hole, and 1 end of male pipe is plugged in the large aperture portion 21 of female pipe 2 Portion.

1 outer wall of male pipe is provided with external screw thread 12, and external screw thread 12 is located at male pipe top, is additionally provided with 4 on 1 outer wall of male pipe The individual mounting groove 11 for being surrounded on 1 section of male pipe, wherein mounting groove rectangular cross-section, mounting groove 11 is ring seal structure, two Two upper and lowers for being respectively arranged on external screw thread 12,2 relevant position of female pipe is provided with the female thread 22 for matching with external screw thread 12.

Sealing ring 3 is cased with mounting groove 11, and 3 section of sealing ring is triangle, its depth of section D1,11 depth of mounting groove H1, wherein D1 > H1, sealing ring 3 forms interference fit system with large aperture portion 21.Outside the sealing ring of socket number is circular diametrically Less than main pipe large aperture portion outer diameter.

Large aperture portion 21 by the end in small-bore portion 24 is obtained through reaming, large aperture portion 21 and small-bore portion 24 it Between be a transition bench 23, transition bench is domatic for annular, and transition bench and 24 cross section of large aperture form angle [alpha], wherein α=30 °.

Male pipe 1 is stainless steel tube and other metal tubes with female pipe 2.

Male bore D2, small-bore portion internal diameter D3, wherein D2 >=D3.

The closing bulge loop for matching with sealing ring 3 is provided with inside large aperture portion 21, and bulge loop internal diameter is more than major diameter of external thread, when When male pipe 1 screws complete with female pipe 2, bulge loop is reclined with the sealing ring 3 to increase sealing intensity.Its water pipe size meets National standard.

Embodiment 2

As the connecting tube system in embodiment 1, as shown in Figure 4,5, truncated cone sealing member, male pipe in transition bench, is provided with (1), when tightening with female pipe (2), sealing member blocks male pipe (1) port and is sealed.

Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvement that is made etc., should be included within the scope of the present invention.

Claims (8)

1. connecting tube system, including male pipe (1) and female pipe (2), it is characterised in that is provided with platform inside described female pipe (2) Rank hole, female pipe is divided into large aperture portion (21) and small-bore portion (24) by stepped hole, and male pipe (1) end is plugged in described The large aperture portion (21) of female pipe (2) is internal, is threaded connection and close between male pipe (1) and female pipe (2) Seal structure is sealed, the sealing structure and the helicitic texture minimum distance A, wherein A > 0.
2. connecting tube system according to claim 1, it is characterised in that male pipe (1) outer wall is provided with external screw thread (12), N number of mounting groove (11) for being surrounded on male pipe (1) section, the mounting groove are additionally provided with described male pipe (1) outer wall (11) it is ring seal structure and the top located at external screw thread (12) or/and bottom, female pipe (2) corresponding positions are installed There are the female thread (22) for matching with external screw thread (12), wherein N >=1.
3. connecting tube system according to claim 2, it is characterised in that be cased with sealing ring (3) on mounting groove (11), Sealing ring (3) section is circular or triangle, its diameter of section D1, mounting groove (11) depth H 1, wherein D1 > H1, Sealing ring (3) forms interference fit system with large aperture portion (21).
4. connecting tube system according to claim 1, it is characterised in that described large aperture portion (21) pass through small-bore portion (24) end is obtained through reaming, is a transition bench (23) between large aperture portion (21) and small-bore portion (24), described Transition bench is domatic for annular, and the transition bench forms angle [alpha], 90 ° of wherein 0 °≤α < with large aperture (24) cross section.
5. connecting tube system according to claim 1, it is characterised in that male pipe (1) and female pipe (2) be One kind in pipe or metal tube.
6. connecting tube system according to claim 1, it is characterised in that the male bore D2, the small-bore portion Internal diameter D3, wherein D2 >=D3.
7. connecting tube system according to claim 3, it is characterised in that is provided with and sealing inside described large aperture portion (21) The closing bulge loop that circle (3) matches, the bulge loop internal diameter is more than the major diameter of external thread, when male pipe (1) is revolved with female pipe (2) When closing complete, the bulge loop is reclined to increase sealing intensity with the sealing ring (3).
8. connecting tube system according to claim 4, it is characterised in that be provided with truncated cone sealing in the transition bench Part, when male pipe (1) is tightened with female pipe (2), sealing member blocks male pipe (1) port and is sealed.
CN201610906166.9A 2016-10-18 2016-10-18 Connecting pipe system CN106439283A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610906166.9A CN106439283A (en) 2016-10-18 2016-10-18 Connecting pipe system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610906166.9A CN106439283A (en) 2016-10-18 2016-10-18 Connecting pipe system
PCT/CN2017/100247 WO2018072564A1 (en) 2016-10-18 2017-09-01 Pipe connection system

Publications (1)

Publication Number Publication Date
CN106439283A true CN106439283A (en) 2017-02-22

Family

ID=58175311

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610906166.9A CN106439283A (en) 2016-10-18 2016-10-18 Connecting pipe system

Country Status (2)

Country Link
CN (1) CN106439283A (en)
WO (1) WO2018072564A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107448229A (en) * 2017-09-27 2017-12-08 山东金诚联创管业股份有限公司 Two way seal bell and spigot steel pipe for drawing-off gas
WO2018072564A1 (en) * 2016-10-18 2018-04-26 曾广新 Pipe connection system
CN109140091A (en) * 2017-06-28 2019-01-04 中航光电科技股份有限公司 Fluid connector and its plug, plug casing component

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02271191A (en) * 1989-03-08 1990-11-06 Baroid Technol Inc Threaded pipe joint having improved seal ring entrapment
DE4239092A1 (en) * 1992-11-20 1994-05-26 Preussag Anlagenbau Electrically testable plastic pipe jointing for underground water - is sealed at two sepd. points by compression of elastic rings into grooves when bevelled ends of pipe encounter collar of sleeve
US5716078A (en) * 1996-08-07 1998-02-10 Powers; Ronald L. Thermoplastic pipe joint
JPH10153281A (en) * 1996-11-20 1998-06-09 C I Kasei Co Ltd Coupling structure of vinyl chloride resin propulsion pipe
WO1998057087A1 (en) * 1997-06-11 1998-12-17 Matrix Service, Inc. Pipe threaded joint assembly
JP2001056076A (en) * 1999-06-08 2001-02-27 Torii Kasei Kk Connection structure for corrugate pipe and corrugate pipe
CN1572339A (en) * 2003-06-05 2005-02-02 艾卫士自动撒水株式会社 Mounting device of shower nozzle
CN2806935Y (en) * 2005-06-27 2006-08-16 陈建强 Thin-walled stainless steel pipe joint

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
CH531675A (en) * 1971-06-10 1972-12-15 Dunkel Sen Ernst Connection piece for establishing a connection between two pipes of a gas or liquid line
US4643467A (en) * 1982-07-23 1987-02-17 Wood Kenneth M Threaded tubing seals
CN200965113Y (en) * 2006-10-18 2007-10-24 陈建强 Thin wall rustless steel pipe rotary-inserting type adaptor
CN202660136U (en) * 2012-04-24 2013-01-09 浙江新世管道股份有限公司 Glass steel pipeline thread sealing structure
CN203202456U (en) * 2013-04-25 2013-09-18 湖北新华塑料有限公司 PVC spiral sealing and fast connecting pipe
CN106439283A (en) * 2016-10-18 2017-02-22 曾广新 Connecting pipe system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02271191A (en) * 1989-03-08 1990-11-06 Baroid Technol Inc Threaded pipe joint having improved seal ring entrapment
DE4239092A1 (en) * 1992-11-20 1994-05-26 Preussag Anlagenbau Electrically testable plastic pipe jointing for underground water - is sealed at two sepd. points by compression of elastic rings into grooves when bevelled ends of pipe encounter collar of sleeve
US5716078A (en) * 1996-08-07 1998-02-10 Powers; Ronald L. Thermoplastic pipe joint
JPH10153281A (en) * 1996-11-20 1998-06-09 C I Kasei Co Ltd Coupling structure of vinyl chloride resin propulsion pipe
WO1998057087A1 (en) * 1997-06-11 1998-12-17 Matrix Service, Inc. Pipe threaded joint assembly
JP2001056076A (en) * 1999-06-08 2001-02-27 Torii Kasei Kk Connection structure for corrugate pipe and corrugate pipe
CN1572339A (en) * 2003-06-05 2005-02-02 艾卫士自动撒水株式会社 Mounting device of shower nozzle
CN2806935Y (en) * 2005-06-27 2006-08-16 陈建强 Thin-walled stainless steel pipe joint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018072564A1 (en) * 2016-10-18 2018-04-26 曾广新 Pipe connection system
CN109140091A (en) * 2017-06-28 2019-01-04 中航光电科技股份有限公司 Fluid connector and its plug, plug casing component
CN107448229A (en) * 2017-09-27 2017-12-08 山东金诚联创管业股份有限公司 Two way seal bell and spigot steel pipe for drawing-off gas

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Application publication date: 20170222

RJ01 Rejection of invention patent application after publication