CN103644409A - Pipeline joint with self-locking structure - Google Patents

Pipeline joint with self-locking structure Download PDF

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Publication number
CN103644409A
CN103644409A CN201310694909.7A CN201310694909A CN103644409A CN 103644409 A CN103644409 A CN 103644409A CN 201310694909 A CN201310694909 A CN 201310694909A CN 103644409 A CN103644409 A CN 103644409A
Authority
CN
China
Prior art keywords
self
female connector
connecting head
locking structure
groove
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.)
Granted
Application number
CN201310694909.7A
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Chinese (zh)
Other versions
CN103644409B (en
Inventor
沈立盛
杨士立
陆斌
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.)
Wuxi Jinyang Piping Fitting Co.,Ltd.
Original Assignee
WUXI JINYANG PIPING FITTING CO Ltd
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.)
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Publication date
Application filed by WUXI JINYANG PIPING FITTING CO Ltd filed Critical WUXI JINYANG PIPING FITTING CO Ltd
Priority to CN201310694909.7A priority Critical patent/CN103644409B/en
Publication of CN103644409A publication Critical patent/CN103644409A/en
Application granted granted Critical
Publication of CN103644409B publication Critical patent/CN103644409B/en
Active legal-status Critical Current
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    • 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
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/04Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
    • 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
    • F16L21/00Joints with sleeve or socket
    • F16L21/08Joints with sleeve or socket with additional locking means

Abstract

The invention discloses a fixing device of a pipeline joint with a self-locking structure. The pipeline joint comprises a male joint and a female joint which are arranged on a pipeline; the self-locking structure comprises an arc-shaped boss arranged on the cylindrical surface of one end of the male joint; the arc-shaped boss is matched with an annular groove formed in the inner wall of a cavity formed in one end of the female joint; yielding grooves penetrating through the bottom of the annular groove and the end surface of one end of the female joint are symmetrically formed in two sides of the inner wall of the cavity and matched with the arc-shaped boss; a first step surface is formed in the root of the cylindrical surface, aligns the arc-shaped boss on the male joint with the yielding grooves in the inner wall of the cavity of the female joint and is inserted into the yielding grooves, so that the first step surface on the male joint and the end surface of the female joint are fully attached; and the male joint is rotated for 90 degrees, so that the male joint and the female joint are locked, and the sealing effect is good due to the fact that a sealing ring is arranged at the attachment position of the locked joints. The pipeline joint with the self-locking structure is simple in structure, convenient to use and good in sealing effect, and self locking is convenient.

Description

A kind of pipe coupling with self-locking structure
Technical field
The present invention relates to piping attachment technical field, relate in particular to a kind of pipe coupling with self-locking structure.
Background technique
Pipeline of the prior art, generally when connecting, all can will after two connecting head end face laminatings, adopt fastened by screw, even if therefore increase rubber pad between faying surface, be also difficult to sealing, and, by the connecting head complex structure of fastened by screw, operation is inconvenient face also, and screw gets rusty easily, be not easy to dismounting, how to design a kind of sealing effect, and connecting head structure that can self-locking, becomes a problem that will solve.
Summary of the invention
The object of the invention is to propose a kind of pipe coupling with self-locking structure, can make the rear sealing effect of connecting head docking of pipeline better, and can self-locking.
For reaching this object, the present invention by the following technical solutions:
A kind of pipe coupling with self-locking structure, comprise the public connecting head and the female connector that are arranged on pipeline, described public connecting head is connected by self-locking structure with female connector, described self-locking structure comprises the arc boss being arranged on cylndrical surface, described public connecting head one end, described arc boss matches with the annular groove being arranged on the cavity inner wall of described female connector one end, the symmetrical both sides of described cavity inner wall are provided with the groove that exits that runs through described annular groove bottom and described female connector one end end face, the described groove that exits matches with described arc boss, the root of described cylndrical surface is provided with First terrace, the end face of described First terrace and described female connector one end fits, and corresponding the first groove and the second groove of placing the first seal ring that be provided with respectively on the end face of described First terrace and described female connector one end, described annular groove bottom is provided with second step face, the end face of described second step face and described public connecting head fits, and corresponding the 3rd groove and the 4th groove of placing the second seal ring that be provided with respectively on the end face of described second step face and described public connecting head.
Wherein, the outer peripheral surface of described female connector exits position that groove is relative and is provided with the installation index plane for public connecting head and female connector location described.
Wherein, the internal diameter of described public connecting head equates with the internal diameter of the second step face bottom of described female connector.
Wherein, the internal diameter of described public connecting head is more than or equal to 10cm, is less than or equal to 20cm.
Wherein, described the first seal ring is fastened on described First terrace.
Wherein, described the second seal ring is fastened on described second step face.
Beneficial effect of the present invention: the present invention includes the public connecting head and the female connector that are arranged on pipeline, described public connecting head is connected by self-locking structure with female connector, described self-locking structure comprises the arc boss being arranged on cylndrical surface, described public connecting head one end, described arc boss matches with the annular groove being arranged on the cavity inner wall of described female connector one end, the symmetrical both sides of described cavity inner wall are provided with the groove that exits that runs through described annular groove bottom and described female connector one end end face, the described groove that exits matches with described arc boss, the root of described cylndrical surface is provided with First terrace, the end face of described First terrace and described female connector one end fits, and corresponding the first groove and the second groove of placing the first seal ring that be provided with respectively on the end face of described First terrace and described female connector one end, described annular groove bottom is provided with second step face, the end face of described second step face and described public connecting head fits, and corresponding the 3rd groove and the 4th groove of placing the second seal ring that be provided with respectively on the end face of described second step face and described public connecting head.Arc boss on public connecting head is alignd with the groove that exits on female connector cavity inner wall, and insert and exit groove, First terrace on public connecting head and the end face of female connector are fully fitted, then rotate public connecting head 90 degree, can be by public connecting head and female connector locking, connecting head after locking is because joint place is provided with seal ring, with this good sealing effect, the present invention is simple in structure, easy to operate, be convenient to self-locking, good sealing effect.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of a kind of pipe coupling with self-locking structure of the present invention.
Fig. 2 is the plan view of a kind of pipe coupling with self-locking structure of the present invention.
Fig. 3 is the sectional drawing of AA section in Fig. 2.
Fig. 4 is the sectional drawing of BB section in Fig. 3.
Fig. 5 is the sectional drawing of CC section in Fig. 4.
In figure: 1. pipeline, 2. public connecting head, 3. female connector, 4. the first seal ring, 5. the second seal ring, 6. index plane is installed, 7. exited groove, 8. arc boss, 9. annular groove.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technological scheme of the present invention.
See Fig. 1 to Fig. 5, a kind of pipe coupling with self-locking structure, comprise the public connecting head 2 and the female connector 3 that are arranged on pipeline, described public connecting head 2 is connected by self-locking structure with female connector 3, described self-locking structure comprises the arc boss 8 being arranged on described public connecting head 2 cylndrical surface, one end, described arc boss 8 matches with the annular groove 9 being arranged on described female connector 3 one end cavity inner walls, the symmetrical both sides of described cavity inner wall be provided with run through described annular groove 9 bottoms and described female connector 3 one end end faces exit groove 7, the described groove 7 that exits matches with described arc boss 8, the root of described cylndrical surface is provided with First terrace, the end face of described First terrace and described female connector 3 one end fits, and corresponding the first groove and the second groove of placing the first seal ring 4 that be provided with respectively on the end face of described First terrace and described female connector 3 one end, described annular groove 9 bottoms are provided with second step face, the end face of described second step face and described public connecting head 2 fits, and corresponding the 3rd groove and the 4th groove of placing the second seal ring 5 that be provided with respectively on the end face of described second step face and described public connecting head 2.One end of public connecting head and female connector is fastened to respectively on pipeline 1, then the arc boss on public connecting head is alignd and inserts and exit groove with installation index plane, First terrace on public connecting head and the end face of female connector are fully fitted, and make fully to compress the first seal ring and the second seal ring, then rotate public connecting head 90 degree, arc boss is coordinated with annular groove, then the pipeline at two ends 1 is fixing, can complete the connection of pipeline, this design makes easy to connect, and good sealing effect, has saved screw, improved greatly operating efficiency.
The outer peripheral surface of described female connector 3 exits position that groove 7 is relative and is provided with the installation index plane 6 for public connecting head 2 and female connector 3 location described.The setting of index plane is installed, the location while facilitating the docking of public connecting head and female connector, convenient and swift.
The internal diameter of described public connecting head 2 equates with the internal diameter of the second step face bottom of described female connector 3.Same inner diameter arranges, and facilitates connection and the cooperation of the pipeline of identical caliber.
The internal diameter of described public connecting head 2 is more than or equal to 10cm, is less than or equal to 20cm.As a kind of preferred, the internal diameter in this dimensional range, can better coordinate with pipeline, and meanwhile, after locking, axial bearing capacity is the most reliable.
Described the first seal ring 4 is fastened on described First terrace.
Described the second seal ring 5 is fastened on described second step face.The seal ring herein arranging is convenient to change and is easy to and coordinates, and sealing effect is better.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, within these modes all will fall into protection scope of the present invention.

Claims (6)

1. the pipe coupling with self-locking structure, comprise the public connecting head (2) and the female connector (3) that are arranged on pipeline, it is characterized in that, described public connecting head (2) is connected by self-locking structure with female connector (3), described self-locking structure comprises the arc boss (8) being arranged on described public connecting head (2) cylndrical surface, one end, described arc boss (8) matches with the annular groove (9) being arranged on the cavity inner wall of described female connector (3) one end, the symmetrical both sides of described cavity inner wall be provided with run through described annular groove (9) bottom and described female connector (3) one end end face exit groove (7), the described groove (7) that exits matches with described arc boss (8), the root of described cylndrical surface is provided with First terrace, the end face of described First terrace and described female connector (3) one end fits, and corresponding the first groove and the second groove of placing the first seal ring (4) that be provided with respectively on the end face of described First terrace and described female connector (3) one end, described annular groove (9) bottom is provided with second step face, the end face of described second step face and described public connecting head (2) fits, and corresponding the 3rd groove and the 4th groove of placing the second seal ring (5) that be provided with respectively on the end face of described second step face and described public connecting head (2).
2. a kind of pipe coupling with self-locking structure according to claim 1, it is characterized in that, the outer peripheral surface of described female connector (3) is provided with the installation index plane (6) for public connecting head (2) and female connector (3) location in the described relative position of groove (7) of exiting.
3. a kind of pipe coupling with self-locking structure according to claim 1, is characterized in that, the internal diameter of described public connecting head (2) equates with the internal diameter of the second step face bottom of described female connector (3).
4. a kind of pipe coupling with self-locking structure according to claim 3, is characterized in that, the internal diameter of described public connecting head (2) is more than or equal to 10cm, is less than or equal to 20cm.
5. a kind of pipe coupling with self-locking structure according to claim 1, is characterized in that, described the first seal ring (4) is fastened on described First terrace.
6. a kind of pipe coupling with self-locking structure according to claim 1, is characterized in that, described the second seal ring (5) is fastened on described second step face.
CN201310694909.7A 2013-12-17 2013-12-17 A kind of pipe joint with self-locking structure Active CN103644409B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310694909.7A CN103644409B (en) 2013-12-17 2013-12-17 A kind of pipe joint with self-locking structure

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CN103644409A true CN103644409A (en) 2014-03-19
CN103644409B CN103644409B (en) 2016-06-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105500015A (en) * 2014-09-30 2016-04-20 无锡利博科技有限公司 Machine tool supporting device
CN107680856A (en) * 2017-10-31 2018-02-09 商洛市虎之翼科技有限公司 A kind of afterbody switch
CN112610763A (en) * 2020-12-25 2021-04-06 安徽砼宇特构科技有限公司 Expansion adhesive tape connecting structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1194793A (en) * 1914-06-30 1916-08-15 Stjdwektht
CA1150334A (en) * 1979-11-15 1983-07-19 Raymond M.X. Gleizes Sealed coupling device for hollow cylindrical lengths as for pipes, connection elements and the same
US6315334B1 (en) * 1998-07-15 2001-11-13 Miguel Angel Gutierrez Garcia Instant pipe joining system
CN101103222A (en) * 2005-01-19 2008-01-09 东京都 Tube connection structure
US20110272938A1 (en) * 2010-05-04 2011-11-10 Ming-Shuan Lin Fast connecting tube module
CN203628087U (en) * 2013-12-17 2014-06-04 无锡市金羊管道附件有限公司 Conduit joint with self-locking structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1194793A (en) * 1914-06-30 1916-08-15 Stjdwektht
CA1150334A (en) * 1979-11-15 1983-07-19 Raymond M.X. Gleizes Sealed coupling device for hollow cylindrical lengths as for pipes, connection elements and the same
US6315334B1 (en) * 1998-07-15 2001-11-13 Miguel Angel Gutierrez Garcia Instant pipe joining system
CN101103222A (en) * 2005-01-19 2008-01-09 东京都 Tube connection structure
US20110272938A1 (en) * 2010-05-04 2011-11-10 Ming-Shuan Lin Fast connecting tube module
CN203628087U (en) * 2013-12-17 2014-06-04 无锡市金羊管道附件有限公司 Conduit joint with self-locking structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105500015A (en) * 2014-09-30 2016-04-20 无锡利博科技有限公司 Machine tool supporting device
CN107680856A (en) * 2017-10-31 2018-02-09 商洛市虎之翼科技有限公司 A kind of afterbody switch
CN112610763A (en) * 2020-12-25 2021-04-06 安徽砼宇特构科技有限公司 Expansion adhesive tape connecting structure

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Effective date of registration: 20210208

Address after: Yang Jian Zhen Xishan District 214107 Jiangsu city of Wuxi Province

Patentee after: Wuxi Jinyang Piping Fitting Co.,Ltd.

Address before: 214107 Wuxi Jinyang pipeline accessories Co., Ltd., Yangjian Town, Xishan District, Wuxi City, Jiangsu Province

Patentee before: WUXI JINYANG PIPING FITTING Co.,Ltd.