CN105333252B - Pipe joint - Google Patents

Pipe joint Download PDF

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Publication number
CN105333252B
CN105333252B CN201510920217.9A CN201510920217A CN105333252B CN 105333252 B CN105333252 B CN 105333252B CN 201510920217 A CN201510920217 A CN 201510920217A CN 105333252 B CN105333252 B CN 105333252B
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CN
China
Prior art keywords
tile
shaped body
shaped
annular
arc
Prior art date
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Ceased
Application number
CN201510920217.9A
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Chinese (zh)
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CN105333252A (en
Inventor
龚岳强
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.)
Zhejiang Kangpasi Fluid Technique Co ltd
Original Assignee
Zhejiang Kangpasi Fluid Technique Co ltd
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Application filed by Zhejiang Kangpasi Fluid Technique Co ltd filed Critical Zhejiang Kangpasi Fluid Technique Co ltd
Priority to CN201510920217.9A priority Critical patent/CN105333252B/en
Publication of CN105333252A publication Critical patent/CN105333252A/en
Application granted granted Critical
Publication of CN105333252B publication Critical patent/CN105333252B/en
Ceased 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
    • F16L23/00Flanged joints
    • F16L23/04Flanged joints the flanges being connected by members tensioned in the radial plane
    • F16L23/08Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
    • 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
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Sleeves (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention relates to a compressed air conveying pipeline system, in particular to a pipe joint. The utility model provides a pipe joint, this pipe joint be the diameter respectively in the both sides of semi-annular mounting groove in first tile type physique and second tile type physique and by the arc surface of connecting pipe external diameter looks adaptation, the arc surface is by the holding surface of connecting the pipe, has increased the rigidity of product. In addition, a clamping ring groove is formed in the arc-shaped surface in the circumferential direction, an opening clamping ring is arranged in the clamping ring groove, arc-shaped clamping teeth are arranged on the inner ring of the opening clamping ring, the inner diameter of each arc-shaped clamping tooth is larger than the outer diameter of the connected pipe, the connected pipe can be conveniently and quickly inserted into the opening clamping ring by the connected pipe, after the first tile-shaped body and the second tile-shaped body are folded, the clamping ring groove compresses the opening clamping ring, the inner diameter of each arc-shaped clamping tooth is smaller than the outer diameter of the connected pipe, the arc-shaped clamping teeth are tightly clamped by the connected pipe, the arc-shaped clamping teeth are meshed through the form of the opening clamping ring.

Description

Pipe joint
Technical Field
The invention relates to a compressed air conveying pipeline system, in particular to a pipe joint.
Background
There are various pipe joints for connecting compressed air pipes. A common problem with existing pipe couplings is that after the pipes are connected, the pipes and the coupling are not firmly connected and axial displacement may occur between them. The invention discloses a connecting device of a large-diameter compressed air conveying pipeline (application number: 201010577999.8 application date: 2010-12-08), which comprises a metal outer shell and a sealing device, wherein an annular mounting groove is formed in the inner cavity of the metal outer shell, and annular inclined planes are respectively arranged on two sides of the annular mounting groove; the sealing device is composed of an annular frame body, two pressure rings and two O-shaped sealing rings, wherein the two pressure rings are respectively movably sleeved on two sides of the annular frame body, annular inclined planes are respectively arranged on shoulders of the pressure rings, the O-shaped sealing rings are respectively arranged at corner parts of inner rings of the pressure rings, and two end parts of the annular frame body are respectively abutted against the O-shaped sealing rings; and the corner part of the inner ring of the pressure ring is provided with an annular cambered surface or an annular inclined surface transition, or the inner sides of two end parts of the annular frame body are respectively provided with a third annular inclined surface. The invention can be suitable for the connection of large-diameter pipelines and has the characteristics of simple structure, convenient implementation and firm connection. However, the sealing device of the device has a complex structure and is relatively high in production cost.
The Chinese invention patent (application number: 201410246931.X, application date: 2014.06.05) discloses a connecting device of a compressed air pipeline, which comprises an outer shell and a sealing element, wherein the outer shell is composed of a first tile-shaped body and a second tile-shaped body, the sum of radians of the first tile-shaped body and the second tile-shaped body is less than 360 degrees, two sides of the first tile-shaped body and the second tile-shaped body are respectively provided with a locking lug part, the locking lug parts are provided with a locking component for folding the first tile-shaped body and the second tile-shaped body, the inner side walls of the first tile-shaped body and the second tile-shaped body are respectively provided with a semi-annular mounting groove, the two semi-annular mounting grooves are combined to form an annular mounting groove, and the sealing element is arranged in the annular mounting groove in a matching manner; the invention has good sealing effect, simpler product structure and reduced production cost. The pipeline interlock of this patent is the arc rack, and the arc rack is fixed to be set up at first tile type physique and second tile type physique inside wall, and although this patent is solved the problem of interlock intensity on the interlock, the arc rack protrusion first tile type physique and second tile type physique inside wall are unfavorable for the quick installation of pipeline. In addition, because the pipeline is completely supported on the arc-shaped rack, the pipeline supporting surface is small, and the rigidity is not enough after the pipeline is locked.
Disclosure of Invention
In order to solve the above-mentioned technical problems, it is an object of the present invention to provide a pipe joint which increases a pipe supporting surface, increases rigidity of a product, and is engaged by providing a snap ring type, so that an arc-shaped latch does not obstruct insertion of a connected pipe, thereby facilitating assembly of the connected pipe.
In order to achieve the purpose, the invention adopts the following technical scheme:
a kind of union joint, this union joint includes outer casing and sealing element, the outer casing is formed by first tile-shaped physique and second tile-shaped physique, preset the interval that is convenient for being connected the quick insert of pipe between first tile-shaped physique and second tile-shaped physique, both sides of first tile-shaped physique and second tile-shaped physique have locking ear separately, locking ear have used for closing up the locking member of first tile-shaped physique and second tile-shaped physique, the middle part of inside wall of first tile-shaped physique and second tile-shaped physique has semi-annular mounting groove separately, the said sealing element cooperates and sets up in the semi-annular mounting groove, two semi-annular mounting grooves compress the sealing element after first tile-shaped physique and second tile-shaped physique close up, make the sealing element seal and insert the connected pipe located at both ends of sealing element; first tile type physique and second tile type physique are the diameter respectively in the both sides of semi-annular mounting groove and are connected the arc surface of pipe external diameter looks adaptation, the arc surface is for being connected the holding surface of pipe, the arc surface on be provided with the snap ring groove along the circumferencial direction, be provided with the opening snap ring in the snap ring groove, the inner circle of opening snap ring is provided with the arc latch, the internal diameter of arc latch is greater than by the connecting pipe external diameter, is convenient for insert the opening snap ring fast by the connecting pipe to after first tile type physique and second tile type physique fold, the snap ring groove compresses tightly the opening snap ring, makes arc latch internal diameter be less than by the connecting pipe external diameter, the arc latch is bitten tightly by the connecting pipe.
Preferably, the sealing element is made of rubber or elastic plastic; the sealing element comprises an annular body and two sealing rings, the outer diameter of the annular body is matched with the diameter of the semi-annular mounting groove, the two sealing rings are arranged at two ends of the annular body, the sealing rings are inwards turned over to form a first annular inclined plane on the outer side surface, the first annular inclined plane is inwardly converged from the outer side of the sealing rings into a horn shape, an annular sealing lip is formed at the end part of the inner side of the first annular inclined plane, and the diameter of the annular sealing lip is smaller than or equal to the outer diameter of a connected pipe; after the first tile-shaped body and the second tile-shaped body are folded, the semi-annular mounting groove compresses the annular body to enable the first annular inclined surface to be partially or completely attached and sealed to the outer wall of the connected pipe. The above also provides a form of sealing element which is simple in construction and convenient to implement.
Preferably, the two sides of the semi-annular mounting groove are respectively provided with a second annular inclined surface, and the outer sides of the two ends of the annular body are respectively provided with a third annular inclined surface matched with the second annular inclined surface. The annular body is compressed by pressing the third annular inclined surface through the second annular inclined surface, and the first annular inclined surface is further partially or completely attached to and sealed with the outer wall of the connected pipe.
Preferably, a limiting convex ring is arranged in the middle of the inner ring of the annular body, and the inner diameter of the limiting convex ring is larger than the outer diameter of the pipe to be connected. The limiting convex ring is used for positioning the connected pipes at two ends.
Because the gap is provided with a gap after being folded, the annular body can be aged at the gap to form a weak part after being used for multiple times, and the annular body can leak gas at the weak part under the action of high-pressure gas, so that sealing failure is caused. For this purpose, the outer ring of the annular body is preferably provided with a reinforcing support at the position of the gap; or, the reinforcing support piece is arranged on the whole outer ring of the annular body.
Preferably, the outer diameter of the snap ring is larger than the diameter of the snap ring groove, and the gap is formed by the pretension of the snap ring on the first tile-shaped body and the second tile-shaped body.
Preferably, the arc-shaped latch is one or 2-way, and the arc-shaped latch is continuous or discontinuous. Preferably, the arcuate latch is discontinuous, and the discontinuous arcuate latch may facilitate bending of the split snap ring.
Preferably, the side surface of the arc-shaped latch is a fourth annular inclined surface, and the side wall of the snap ring groove is a fifth annular inclined surface matched with the fourth annular inclined surface.
Preferably, the locking lug parts of the first tile-shaped body and the second tile-shaped body are respectively provided with a corresponding first through hole, the locking member is a bolt and a nut, and the bolt penetrates through the two first through holes to lock and fix the first tile-shaped body and the second tile-shaped body; or, the locking ear of the first tile-shaped body is provided with a first through hole, the locking ear of the second tile-shaped body is provided with a threaded hole corresponding to the first through hole, the locking member is a bolt, and the bolt penetrates through the first through hole and is rotatably connected with the threaded hole to lock and fix the first tile-shaped body and the second tile-shaped body.
Preferably, the locking lug parts at one side of the first tile-shaped body and the second tile-shaped body are provided with elastic braces, and the elastic braces are connected and arranged on the second through holes of the first tile-shaped body and the second tile-shaped body.
According to the invention, by adopting the technical scheme, the arc-shaped surfaces with the diameters matched with the outer diameter of the connected pipe are respectively arranged on the two sides of the semi-annular mounting groove of the first tile-shaped body and the second tile-shaped body, and the arc-shaped surfaces are supporting surfaces of the connected pipe, so that the rigidity of the product is increased. In addition, a clamping ring groove is formed in the arc-shaped surface in the circumferential direction, an opening clamping ring is arranged in the clamping ring groove, arc-shaped clamping teeth are arranged on the inner ring of the opening clamping ring, the inner diameter of each arc-shaped clamping tooth is larger than the outer diameter of the connected pipe, the connected pipe can be conveniently and quickly inserted into the opening clamping ring by the connected pipe, after the first tile-shaped body and the second tile-shaped body are folded, the clamping ring groove compresses the opening clamping ring, the inner diameter of each arc-shaped clamping tooth is smaller than the outer diameter of the connected pipe, the arc-shaped clamping teeth are tightly clamped by the connected pipe, the arc-shaped clamping teeth are meshed through the form of the opening clamping ring.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of fig. a-a.
Fig. 3 is a bottom view of the present invention.
Fig. 4 is a schematic structural view of the first tile-shaped body.
Fig. 5 is a schematic structural view of the sealing member.
Fig. 6 is a schematic structural view of another sealing member.
Fig. 7 and 8 are schematic structural views of the snap ring.
Detailed Description
The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.
A pipe joint as shown in fig. 1, 2 and 3 comprises an outer housing and a sealing element 7, wherein the outer housing is composed of a first tile-shaped body 1 and a second tile-shaped body 2, a gap 6 which is convenient for a connected pipe 10 to be inserted into is preset between the first tile-shaped body 1 and the second tile-shaped body 2, two sides of the first tile-shaped body 1 and the second tile-shaped body 2 are respectively provided with a locking lug 3, and the locking lugs 3 are provided with a locking member for closing the first tile-shaped body 1 and the second tile-shaped body 2. As shown in fig. 2, the locking lug parts 3 of the first tile-shaped body 1 and the second tile-shaped body 2 are respectively provided with a corresponding first through hole 31, the locking members are bolts 4 and nuts, and the bolts pass through the two first through holes to lock and fix the first tile-shaped body 1 and the second tile-shaped body 2. Or, the locking ear 3 of the first tile-shaped body 1 is provided with a first through hole 31, the locking ear 3 of the second tile-shaped body 2 is provided with a threaded hole corresponding to the first through hole, the locking member is a bolt 4, and the bolt 4 penetrates through the first through hole to be connected with the threaded hole in a screwing manner to lock and fix the first tile-shaped body 1 and the second tile-shaped body 2. As shown in fig. 1, the locking ears 3 on one side of the first and second tile- shaped bodies 1 and 2 are provided with elastic braces which are connected and arranged on the second through holes 32 of the first and second tile- shaped bodies 1 and 2.
As shown in fig. 2 and 4, the middle portions of the inner side walls of the first tile-shaped body 1 and the second tile-shaped body 2 are respectively provided with a semi-annular mounting groove 11, the sealing element 7 is arranged in the semi-annular mounting groove 11 in a matching manner, and the sealing element 7 is made of rubber or elastic plastic. As shown in fig. 5, the sealing element 7 includes an annular body 70 and two sealing rings 71, an outer diameter of the annular body 70 is adapted to a diameter of the semi-annular mounting groove 11, the two sealing rings 71 are disposed at two ends of the annular body 70, the sealing rings 71 are turned inward to form a first annular inclined surface 72 at an outer side surface, the first annular inclined surface 72 is inwardly converged from an outer side of the sealing rings 71 to form a horn shape, an inner end of the first annular inclined surface 72 forms an annular sealing lip, and a diameter of the annular sealing lip is smaller than or equal to an outer diameter of the connected pipe 10. A limiting convex ring 73 is arranged in the middle of the inner ring of the annular body 70, and the inner diameter of the limiting convex ring 73 is larger than the outer diameter of the connected pipe 10. The two sides of the semi-annular mounting groove 11 are respectively provided with a second annular inclined surface 14, and the outer sides of the two ends of the annular body 70 are respectively provided with a third annular inclined surface 74 matched with the second annular inclined surface 14. As shown in fig. 6, the outer ring of the annular body 70 is provided with a reinforcing support 75 at the position of the gap 6; alternatively, the reinforcing support 75 is provided integrally with the outer ring of the ring body 70. After the first tile-shaped body 1 and the second tile-shaped body 2 are folded, the semi-annular mounting groove 11 compresses the annular body 70 to make the first annular inclined surface 72 partially or completely fit and seal the outer wall of the connected pipe 10, so that the sealing element 7 seals the connected pipe 10 inserted at two ends of the sealing element 7.
As shown in fig. 2 and 4, the first tile-shaped body 1 and the second tile-shaped body 2 are respectively an arc surface 12 with a diameter matched with the outer diameter of the connected pipe 10 on two sides of the semi-annular mounting groove 11, and the arc surface 12 is a supporting surface of the connected pipe 10. As shown in fig. 4, a snap ring groove 13 is formed on the arc surface 12 along the circumferential direction, a snap ring 8 is arranged in the snap ring groove 13, the outer diameter of the snap ring 8 is larger than the diameter of the snap ring groove 13, and the gap 6 is formed by the pretension of the snap ring 8 on the first tile-shaped body 1 and the second tile-shaped body 2. As shown in fig. 7 and 8, the inner ring of the snap ring 8 is provided with arc-shaped latches 81, the inner diameter of the arc-shaped latches 81 is larger than the outer diameter of the connected pipe 10, so that the connected pipe 10 can be inserted into the snap ring 8 quickly, one or 2 arc-shaped latches 81 are provided, and the arc-shaped latches 81 are continuous or discontinuous. The side of the arc-shaped latch 81 is a fourth annular inclined surface 82, and the side wall of the snap ring groove 13 is a fifth annular inclined surface 15 matched with the fourth annular inclined surface 82. After the first tile-shaped body 1 and the second tile-shaped body 2 are folded, the snap ring groove 13 compresses the open snap ring 8, so that the inner diameter of the arc-shaped snap tooth 81 is smaller than the outer diameter of the connected pipe 10, and the arc-shaped snap tooth 81 bites the connected pipe 10.

Claims (3)

1. A pipe joint comprises an outer shell and a sealing element (7), wherein the outer shell is composed of a first tile-shaped body (1) and a second tile-shaped body (2), a gap (6) which is convenient for a connected pipe (10) to be rapidly inserted is preset between the first tile-shaped body (1) and the second tile-shaped body (2), locking lugs (3) are respectively arranged on two sides of the first tile-shaped body (1) and the second tile-shaped body (2), locking members used for closing the first tile-shaped body (1) and the second tile-shaped body (2) are arranged on the locking lugs (3), semi-annular mounting grooves (11) are respectively arranged in the middle of the inner side walls of the first tile-shaped body (1) and the second tile-shaped body (2), the sealing element (7) is arranged in the semi-annular mounting grooves (11) in a matched mode, and the sealing element (7) is pressed by the two semi-annular mounting grooves (11) after the first tile-shaped body (1) and the second tile-shaped body (2) are closed, a connected pipe (10) having a sealing member (7) sealingly inserted at both ends of the sealing member (7); the method is characterized in that: the two sides of the semi-annular mounting groove (11) of the first tile-shaped body (1) and the second tile-shaped body (2) are respectively provided with an arc surface (12) with the diameter matched with the outer diameter of the pipe (10) to be connected, the arc surface (12) is a supporting surface of the pipe (10) to be connected, the arc-shaped surface (12) is provided with a snap ring groove (13) along the circumferential direction, the snap ring groove (13) is internally provided with an open snap ring (8), the inner ring of the open snap ring (8) is provided with arc-shaped snap teeth (81), the inner diameter of the arc-shaped snap teeth (81) is larger than the outer diameter of the connected pipe (10), the connected pipe (10) can be conveniently and quickly inserted into the open snap ring (8), after the first tile-shaped body (1) and the second tile-shaped body (2) are folded, the snap ring groove (13) compresses the open snap ring (8) to ensure that the inner diameter of the arc-shaped snap tooth (81) is smaller than the outer diameter of the connected pipe (10), and the arc-shaped snap tooth (81) is used for tightly biting the connected pipe (10); the arc-shaped latch (81) is a track, and the arc-shaped latch (81) is discontinuous; the outer diameter of the snap ring (8) is larger than the diameter of the snap ring groove (13), and the gap (6) is formed by the pretension of the snap ring (8) on the first tile-shaped body (1) and the second tile-shaped body (2);
the sealing element (7) is made of rubber or elastic plastic; the sealing element (7) comprises an annular body (70) and two sealing rings (71), the outer diameter of the annular body (70) is matched with the diameter of the semi-annular mounting groove (11), the two sealing rings (71) are arranged at two ends of the annular body (70), a first annular inclined surface (72) is formed on the outer side surface of the inward turning of the sealing rings (71), the first annular inclined surface (72) is inwardly converged from the outer side of the sealing rings (71) to be horn-shaped, an annular sealing lip is formed at the end part of the inner side of the first annular inclined surface (72), and the diameter of the annular sealing lip is smaller than or equal to the outer diameter of the connected pipe (10); after the first tile-shaped body (1) and the second tile-shaped body (2) are folded, the semi-annular mounting groove (11) compresses the annular body (70) to enable the first annular inclined plane (72) to be partially or completely attached to and seal the outer wall of the connected pipe (10); two sides of the semi-annular mounting groove (11) are respectively provided with a second annular inclined surface (14), and the outer sides of two ends of the annular body (70) are respectively provided with a third annular inclined surface (74) matched with the second annular inclined surface (14); a limiting convex ring (73) is arranged in the middle of the inner ring of the annular body (70), and the inner diameter of the limiting convex ring (73) is larger than the outer diameter of the connected pipe (10);
the locking lug parts (3) of the first tile-shaped body (1) and the second tile-shaped body (2) are respectively provided with a corresponding first through hole (31), the locking members are bolts (4) and nuts, and the bolts penetrate through the two first through holes to lock and fix the first tile-shaped body (1) and the second tile-shaped body (2); or, locking ear (3) of first tile type physique (1) on be provided with first through-hole (31), be provided with the corresponding screw hole with first through-hole on locking ear (3) of second tile type physique (2), locking member be bolt (4), bolt (4) pass first through-hole and screw hole and connect soon first tile type physique (1) and second tile type physique (2) locking fixed.
2. A pipe joint according to claim 1, wherein: the outer ring of the annular body (70) is provided with a reinforcing support (75) at the position of the gap (6); alternatively, the outer ring of the ring body (70) is integrally provided with a reinforcing support (75).
3. A pipe joint according to claim 1, wherein: and the locking lug parts (3) at one sides of the first tile-shaped body (1) and the second tile-shaped body (2) are provided with elastic braces, and the elastic braces are connected and arranged on the second through holes (32) of the first tile-shaped body (1) and the second tile-shaped body (2).
CN201510920217.9A 2015-12-11 2015-12-11 Pipe joint Ceased CN105333252B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510920217.9A CN105333252B (en) 2015-12-11 2015-12-11 Pipe joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510920217.9A CN105333252B (en) 2015-12-11 2015-12-11 Pipe joint

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Publication Number Publication Date
CN105333252A CN105333252A (en) 2016-02-17
CN105333252B true CN105333252B (en) 2020-11-03

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113932077A (en) * 2021-10-20 2022-01-14 哈尔滨工程大学 Clamp type connector for underwater vertical pipeline

Citations (8)

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Publication number Priority date Publication date Assignee Title
US6502865B1 (en) * 2000-08-09 2003-01-07 Dynamic Air Pipe coupler and method of coupling
CN101886721A (en) * 2009-05-14 2010-11-17 维克托里克公司 Joiner with directed angularly shoulder face
CN202302516U (en) * 2011-09-30 2012-07-04 苏州捷英特管道技术有限公司 Plane latch type pipe joint
CN202674651U (en) * 2012-06-29 2013-01-16 龚岳强 Fast flange connector of large-diameter compressed air pipe fitting
WO2013155703A1 (en) * 2012-04-20 2013-10-24 Ge Wenyu Articulated joint type middle-high pressure pipeline connecting piece
CN104390080A (en) * 2014-11-18 2015-03-04 浙江康帕斯流体输送技术有限公司 Pipe joint connection structure and pipe joint adopting structure
CN204611152U (en) * 2015-04-23 2015-09-02 山东亿佰通机械股份有限公司 Weld-ring pipe clamp
CN205261073U (en) * 2015-12-11 2016-05-25 浙江康帕斯流体输送技术有限公司 Pipe connection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202580384U (en) * 2011-12-01 2012-12-05 阿特拉斯·科普柯空气动力股份有限公司 Connector for connecting end parts of two pipes
CN203162388U (en) * 2013-02-07 2013-08-28 北京吉瑞普管道技术有限公司 Pipeline connector
CN204554137U (en) * 2015-03-25 2015-08-12 唐学功 Air conduit fast connector anchor ear

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6502865B1 (en) * 2000-08-09 2003-01-07 Dynamic Air Pipe coupler and method of coupling
CN101886721A (en) * 2009-05-14 2010-11-17 维克托里克公司 Joiner with directed angularly shoulder face
CN202302516U (en) * 2011-09-30 2012-07-04 苏州捷英特管道技术有限公司 Plane latch type pipe joint
WO2013155703A1 (en) * 2012-04-20 2013-10-24 Ge Wenyu Articulated joint type middle-high pressure pipeline connecting piece
CN202674651U (en) * 2012-06-29 2013-01-16 龚岳强 Fast flange connector of large-diameter compressed air pipe fitting
CN104390080A (en) * 2014-11-18 2015-03-04 浙江康帕斯流体输送技术有限公司 Pipe joint connection structure and pipe joint adopting structure
CN204611152U (en) * 2015-04-23 2015-09-02 山东亿佰通机械股份有限公司 Weld-ring pipe clamp
CN205261073U (en) * 2015-12-11 2016-05-25 浙江康帕斯流体输送技术有限公司 Pipe connection

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