CN2323227Y - Self-locking quick pipe joint - Google Patents

Self-locking quick pipe joint Download PDF

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Publication number
CN2323227Y
CN2323227Y CN 97205630 CN97205630U CN2323227Y CN 2323227 Y CN2323227 Y CN 2323227Y CN 97205630 CN97205630 CN 97205630 CN 97205630 U CN97205630 U CN 97205630U CN 2323227 Y CN2323227 Y CN 2323227Y
Authority
CN
China
Prior art keywords
pipe
self
pipe joint
gland nut
junctor
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN 97205630
Other languages
Chinese (zh)
Inventor
沈潕源
罗庆宇
张庆丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KAISA ALUMINIUM INDUSTRY CO LTD GUIZHOU
Original Assignee
KAISA ALUMINIUM INDUSTRY CO LTD GUIZHOU
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 KAISA ALUMINIUM INDUSTRY CO LTD GUIZHOU filed Critical KAISA ALUMINIUM INDUSTRY CO LTD GUIZHOU
Priority to CN 97205630 priority Critical patent/CN2323227Y/en
Application granted granted Critical
Publication of CN2323227Y publication Critical patent/CN2323227Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a pipe joint, particularly a self-locking quick pipe joint. Both ends of a pipe joint body (3) are provided with an internal thread (5), taper holes (6), and position steps (7). A clamping thread bush (2) is provided with a contraction joint (11). The clamping thread bush (2) and a sealing ring (4) are sheathed on a pipe (1), and are inserted in the pipe joint body (3). The clamping thread bush is twisted tightly. The sealing ring is pushed to be closely contacted with the taper holes (6). A thread bush provided with the contraction joint (11) is contracted inward to clamp the pipe (1) tightly. When pipelines without needs to be sealed are connected, a sealing ring can be omitted. Only the pipe joint body and the clamping thread bush are used to clamp the pipe tightly. The self-locking quick pipe joint has quick and convenient operation. The pipe does not need threaded wires. The self-locking quick pipe joint is suitable for the connection of pipelines with various materials.

Description

The pipe coupling of self-locking internal cover type fast-assembling
The utility model relates to pipe coupling, and particularly a kind of need not carried out the fast-assembling pipe coupling that mantle fiber is handled to the pipe termination.
Pipeline connects pipe joint and the pipe termination mantle fibers respectively that adopt more in the prior art, with screw thread two-part are linked together, and the processing of the screw thread of pipe termination mostly is field fabrication, workload is big, and operated implement heaviness, bring inconvenience to construction, on the other hand, because the necessary machining screw in pipe termination, under the prerequisite that guarantees necessary structural strength, screw thread should have certain depth, therefore, tube wall also must keep corresponding thickness, like this, and in the low-pressure fluid transporting system, the thickness of tube wall is not to be determined by hydrodynamic pressure, but decide by the screw thread processing mode, thereby caused the waste of tubing, also limited the good utilization of thin walled tube in pipe-line system of some intensity.
In addition, some tubing as plastic tube, is to adopt bonding method to connect, because viscose glue needs the regular hour to solidify, operates also miscellaneously, and linking intensity is subjected to the influence of viscose quality.
The purpose of this utility model is: the pipe coupling of a kind of self-locking internal cover type fast-assembling is provided, and it need not mantle fiber is carried out in the pipe termination, uses simple mounting or dismounting tools, can install and remove pipeline fast.
Formation of the present utility model: by the pipe junctor, gland nut and seal ring are formed, pipe junctor (3) is a rounded cylindrical, there is internal thread (5) at two ends in the tube, the screw thread the inside is the little taper hole of outer imperial palace (6), the little head end of taper hole (6) has positioning step (7), in the middle of the gland nut (2) is axial circular hole, an end is to tighten cap head (8) on the cylindrical, the other end is external thread sleeve (9), external thread sleeve (9) end face is a little conical surface (10), have contraction joint (11) in external thread sleeve (9) end, seal ring (4) is an annular cone, be installed in the taper hole (6) in the pipe junctor (3), on the internal thread (5) with gland nut (2) spinning in pipe junctor (3), form the pipe coupling of self-locking internal cover type fast-assembling again.When the pipeline that need not seal connects,, only go up gland nut (2) is installed at the internal thread (5) of pipe junctor (3) without seal ring (4).
Compared with the prior art, the utility model is rational in infrastructure, and cover compresses mode in adopting, and can play not only to seal but also the double effects of clamping tube, and is convenient to operation, and therefore pipe, can use thin walled tube without mantle fiber, can make the pipeline lightweight.
The pipeline that the utility model also can be used for need not sealing connects, and connects as electrical conduits, can save seal ring, only uses pipe junctor and gland nut to connect.
Accompanying drawing 1 is the utility model connection figure;
Accompanying drawing 2 is pipe junctor structural drawing;
Accompanying drawing 3 is gland nut plan views;
Accompanying drawing 4 is right elevations of accompanying drawing 3;
Accompanying drawing 5 is plan views of accompanying drawing 3;
Accompanying drawing 6 is seal ring plan views;
Accompanying drawing 7 is left views of accompanying drawing 6.
Embodiment of the present utility model: as shown in Figure 2, at the endoporus two ends machining internal threads (5) of pipe junctor (3), the taper hole (6) that imperial palace is little outside the inside of internal thread (5) has is at the positioning step (7) of the oriented central protuberance of little head end of taper hole.
Shown in accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, the circular hole that installation pipe (1) is arranged in the middle of the gland nut (2), on the excircle, one end is to tighten cap head (8), the other end is external thread sleeve (9), in the end of external thread sleeve (9) is the little conical surface (10), has four contraction joints (11) vertically in the end of external thread sleeve (9).
Shown in accompanying drawing 6, accompanying drawing 7, seal ring (4) is the circular cone tube of middle band circular hole.
As shown in Figure 1, gland nut (2) and seal ring (4) are enclosed within on the pipe (1), in the insertion tube junctor (3), tighten gland nut (2), promoting seal ring (4) closely contacts with the taper hole (6) of pipe junctor (3), simultaneously, have taper hole (6) conical surface guiding on the managed junctor of gland nut (2) front end (3) of contraction joint (11) and inwardly shrink, pipe (1) is clamped.
When the pipeline that does not need to seal connects, can save seal ring (4), only use pipe junctor (3) to connect pipe (1) is clamped with gland nut (2).

Claims (2)

1, the pipe coupling of a kind of self-locking internal cover type fast-assembling, by the pipe junctor, gland nut and seal ring are formed, it is characterized in that: pipe junctor (3) is rounded cylindrical, there is internal thread (5) at two ends in the tube, the screw thread the inside is the little taper hole of outer imperial palace (6), the little head end of taper hole (6) has positioning step (7), in the middle of the gland nut (2) is axial circular hole, an end is to tighten cap head (8) on the cylindrical, the other end is external thread sleeve (9), external thread sleeve (9) end face is a little conical surface (10), have contraction joint (11) in external thread sleeve (9) end, seal ring (4) is an annular cone, is installed in the taper hole (6) in the pipe junctor (3), on the internal thread (5) with gland nut (2) spinning in pipe junctor (3), form the pipe coupling of self-locking internal cover type fast-assembling again.
2, self-locking internal cover type fast-assembling according to claim 1 pipe coupling is characterized in that: when the pipeline that need not seal connects, without seal ring (4), only go up at the internal thread (5) of pipe junctor (3) gland nut (2) is installed.
CN 97205630 1997-12-15 1997-12-15 Self-locking quick pipe joint Expired - Fee Related CN2323227Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97205630 CN2323227Y (en) 1997-12-15 1997-12-15 Self-locking quick pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97205630 CN2323227Y (en) 1997-12-15 1997-12-15 Self-locking quick pipe joint

Publications (1)

Publication Number Publication Date
CN2323227Y true CN2323227Y (en) 1999-06-09

Family

ID=33925820

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97205630 Expired - Fee Related CN2323227Y (en) 1997-12-15 1997-12-15 Self-locking quick pipe joint

Country Status (1)

Country Link
CN (1) CN2323227Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593658A (en) * 2016-12-23 2017-04-26 胡永军 Quick-joint joint for automotive fuel pipe
CN108758120A (en) * 2018-07-17 2018-11-06 赵建海 A kind of connector that energy band water disassembles and installs hot melt aqueduct valve
CN113389955A (en) * 2021-06-22 2021-09-14 晋江爱家制冷设备有限公司 Anti-drop quick-screwing joint for pipeline

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593658A (en) * 2016-12-23 2017-04-26 胡永军 Quick-joint joint for automotive fuel pipe
CN108758120A (en) * 2018-07-17 2018-11-06 赵建海 A kind of connector that energy band water disassembles and installs hot melt aqueduct valve
CN113389955A (en) * 2021-06-22 2021-09-14 晋江爱家制冷设备有限公司 Anti-drop quick-screwing joint for pipeline

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C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee