CN104500880A - Pipeline connector and connecting method thereof - Google Patents

Pipeline connector and connecting method thereof Download PDF

Info

Publication number
CN104500880A
CN104500880A CN201410612772.0A CN201410612772A CN104500880A CN 104500880 A CN104500880 A CN 104500880A CN 201410612772 A CN201410612772 A CN 201410612772A CN 104500880 A CN104500880 A CN 104500880A
Authority
CN
China
Prior art keywords
half hoop
connecting pin
pin
line ports
sealing gasket
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.)
Pending
Application number
CN201410612772.0A
Other languages
Chinese (zh)
Inventor
安满林
李付臣
张军
房鹏
王东
王树美
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.)
Yanzhou Coal Mining Co Ltd
Yanzhou Coal Industry Co Ltd
Original Assignee
Yanzhou Coal Industry 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.)
Filing date
Publication date
Application filed by Yanzhou Coal Industry Co Ltd filed Critical Yanzhou Coal Industry Co Ltd
Priority to CN201410612772.0A priority Critical patent/CN104500880A/en
Publication of CN104500880A publication Critical patent/CN104500880A/en
Pending legal-status Critical Current

Links

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
    • F16L21/00Joints with sleeve or socket
    • F16L21/06Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends

Landscapes

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

Abstract

The invention discloses a pipeline connector used for connecting pipeline ends. The pipeline connector comprises a first half hoop (2), a second half hoop, a first connecting pin and a sealing pad. The second half hoop is matched with the first half hoop (2), the first connecting pin is connected with one end of the first half hoop (2) and one end of the second half hoop, the second connecting pin is connected with the other ends of the first half hoop (2) and the second half hoop, and the sealing pad sleeves a pipeline end. The first half hoop (2) and the second half hoop can be fastened into a connector body through the first connecting pin and the second connecting pin, the connector body can sleeve the pipeline end and is connected with the same, and the sealing pad and the pipeline end are accommodated in the connector body. By the pipeline connector, the problems that tools with matched specifications are needed for disassembly of the pipeline ends, and the like can be solved effectively.

Description

A kind of tubing connector and joining method thereof
Technical field
The present invention relates to pipeline connection technique field, particularly relate to a kind of tubing connector and joining method thereof.
Background technique
Pipeline of the prior art is blue by card, flange plate and sealing gasket link up, installation pipeline, maintenance line ports, change between Ka Lannei sealing gasket or flange plate sealing gasket time, need the fastening screw of dismounting just can.Dismantle fastening screw to need to adapt the instrument such as spanner of specification, do not have the instruments such as spanner just cannot complete the dismounting of line ports, both wasted resource, affect again on-the-spot production.
In sum, how effectively solving line ports dismounting needs to adapt the problem such as instrument of specification, is current those skilled in the art's urgent problem.
Summary of the invention
The object of this invention is to provide a kind of tubing connector and joining method thereof, efficiently solving line ports dismounting needs to adapt the problem such as instrument of specification.
For solving the problems of the technologies described above, the invention provides following technological scheme:
A kind of tubing connector, for connecting pipeline port, comprise the first half hoop, the second half hoop coordinated with described first half hoop, connect first connecting pin of one end of described first half hoop and one end of the second half hoop, connect the second connecting pin of the other end of described first half hoop and the other end of the second half hoop and be sleeved on the sealing gasket at line ports place, described first half hoop and the second half hoop can be tightened to joiner body by described first connecting pin and the second connecting pin, described joiner body can be sleeved on described line ports outside and be connected with described line ports, described sealing gasket and line ports are placed in described joiner body.
Preferably, described first connecting pin is straight pin, and described second connecting pin is taper pin.
Preferably, the cotter pin of the second connecting pin described in locking is also comprised.
Preferably, the cross section that described first half hoop and the second half hoop obtain along plane cutting perpendicular to axial direction is semicircle, and the described line ports of connection is circle along the cross section that the plane cutting perpendicular to its axis obtains.
Preferably, the outside cambered surface of described first half hoop and the second half hoop all has otic placode, described otic placode has pin-and-hole, described first connecting pin and the second connecting pin are through fastening described first half hoop of described pin-and-hole and the second half hoop.
Preferably, described sealing gasket is plain cushion, and described joiner body interior has groove, and described plain cushion is fixing in the trench.
The present invention also provides a kind of joining method installing any one tubing connector above-mentioned, comprising:
Fixing: by hinged fixing by the first connecting pin for one end of one end of described first half hoop and the second half hoop;
First suit: described sealing gasket cover is installed to described line ports place;
Second suit: described first half hoop and the second half hoop cover are installed to line ports outside;
Close up: close up described first half hoop and the second half hoop;
Fastening: the other end of described first half hoop and the other end of the second half hoop are fixed by the second connecting pin, locked.
Preferably, step fixing before check described first half hoop and the second half hoop whether round and smooth, whether jagged.
Preferably, on described sealing gasket, smear oiling agent before step the first is set with, and check whether described sealing gasket has damage.
Preferably, the second connecting pin described in the fastening rear cotter pin locking of step.
Tubing connector provided by the present invention, for connecting pipeline port, comprise the first half hoop, second half hoop, first connecting pin, second connecting pin and sealing gasket, first half hoop matches with the second half hoop, first half hoop and the second half hoop can couple together by the first connecting pin and the second connecting pin, be tightened to joiner body, joiner body can be sleeved on line ports outside and be connected with line ports, with this, pipeline is linked up, sealing gasket is sleeved on line ports place, sealing gasket and line ports are placed in joiner body, ensure that the sealing of line ports.
Tubing connector provided by the present invention, can be coupled together the first half hoop and the second half hoop by the first connecting pin and the second connecting pin, be tightened to joiner body, is sleeved on line ports outside and is connected with line ports, being linked up by pipeline with this.When installation pipeline, maintenance line ports, replacing sealing gasket, only need to pull down the first connecting pin or the second connecting pin.When there is no the special tools such as corresponding spanner at the scene, can gather materials on the spot, can connecting pin be ejected, connecting pin convenient disassembly, quick-detachment tubing connector can be realized, convenient and practical.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The plan view of the first half hoop that Fig. 1 provides for embodiment a kind of in the present invention;
Fig. 2 is the plan view of Fig. 1.
In accompanying drawing, mark is as follows:
1-otic placode, 2-first half hoop, 3-pin-and-hole.
Embodiment
Core of the present invention is to provide a kind of tubing connector and joining method thereof, and efficiently solving line ports dismounting needs to adapt the problem such as instrument of specification.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 to Fig. 2, the plan view of the first half hoop that Fig. 1 provides for embodiment a kind of in the present invention; Fig. 2 is the plan view of Fig. 1.
In a kind of embodiment, tubing connector provided by the present invention, for connecting pipeline port, at tube and tube, pipe and valve, pump and valve, valve and valve, can adopt this kind of tubing connector between pipe fitting and pipe, it utilizes the pressure of pipeline, is fastened on by sealing gasket on pipeline, pressure is larger, sealing gasket is pressed tighter, and laminating closely, reaches line seal and connection with this.Tubing connector comprises the first half hoop 2, second half hoop, the first connecting pin, the second connecting pin and sealing gasket, first half hoop 2 matches with the second half hoop, for the ease of the connection of the first half hoop 2 and the second half hoop, first half hoop 2 and the second half hoop can one be public, one is female, it should be noted that, male and female mentioned here refers to that the joint of the first half hoop 2 and the second half hoop is fitted to each other, and the first half hoop 2 and the second half hoop are connected to form a clip.First half hoop 2 can be identical with the material of the second half hoop, can be different, such as be all rigidity, and certainly, also can be flexibility, for the clip bearing high pressure, its material can be spheroidal graphite cast iron or cast steel etc.The kind of clip is a lot, comprises the clip etc. of groove type clip, ring type clip, band pipe end, and concrete which kind of clip of selection, can determine according to actual use occasion.First half hoop 2 and the second half hoop can couple together by the first connecting pin and the second connecting pin, be tightened to joiner body, joiner body has attachment hole, shape and the size of the shape of attachment hole and size and line ports adapt, joiner body can be sleeved on line ports outside and be connected with line ports, is linked up by pipeline with this.
The pipeline connected can be the various pipelines such as steel pipe, Stainless Steel Tube, plastic tube, and the length of pipeline, thickness, thin and thick, material are all unrestricted, and joiner body can connect.Pipeline forms by Len req cutting, and otch should be smooth, if incision is jagged, the polishing of application sand paper, file or grinder, die head threading machine can be used to cut pipeline, and its end face is vertically smooth, and burr is little.The line ports of pipe ends, plays spacing, connection function.Line ports can be one with pipeline, forms line ports at pipe ends fluting; Also can separate, line ports is arranged on pipe ends, and in a word, no matter which kind of line ports, as long as can be connected all in scope with joiner body.
In order to ensure the sealing of pipeline, at line ports place suit sealing gasket, sealing gasket great majority are seal ring, more particularly, can be rubber seal, good airproof performance, and pipeline can not be revealed; Certainly, can also be the sealing gasket of other form, be such as aramid fiber pad, has the features such as high strength, wear resistance is good, lubricity is good, be widely used in the sealing of pump, valve, pipeline, container etc.In order to improve the working life of sealing gasket, the anti-aging cushion rubber preferably using the anti-aging materials such as Ethylene Propylene Terpolymer to make, ensures that cushion rubber is not aging for many years, frequently need not change sealing gasket.Sealing gasket is sleeved on line ports place, and sealing gasket and line ports are placed in joiner body, and pipeline inner pressure is larger, and sealing gasket is pressed tighter.
First half hoop 2 and the second half hoop can be coupled together by the first connecting pin and the second connecting pin by tubing connector, are tightened to joiner body, are sleeved on line ports outside and are connected with line ports, being linked up by pipeline with this.When installation pipeline, maintenance line ports, replacing sealing gasket, only need to pull down the first connecting pin or the second connecting pin, when there is no the special tools such as corresponding spanner at the scene, can gather materials on the spot, can as long as connecting pin can be ejected, connecting pin convenient disassembly, can realize quick-detachment tubing connector, convenient and practical.
Above-mentioned tubing connector is only a kind of preferred version, specifically be not limited thereto, pointed adjustment can be made according to actual needs on this basis, thus obtain different mode of executions, first connecting pin is straight pin, second connecting pin is taper pin, and the first half hoop 2 and the second half hoop are the carrieies of straight pin and taper pin.The material multiselect of straight pin is with through heat treated C35 or C45, and select other material passable, the present invention does not do further restriction to this yet.
Straight pin has positioning action and connection function, and the first half hoop 2 and the second half hoop have pin-and-hole 3, and one end of the first half hoop 2 and one end of the second half hoop are secured together through pin-and-hole 3 by straight pin.Straight pin relies on cooperation really up to the mark to be fixed in pin-and-hole 3, such as utilizes small shrink to be fixed in pin-and-hole 3, can bear little load.Straight pin also can do axle and use, a d-axis also can do straight pin, straight pin can also be centring pin, straight pin and the first half hoop 2 and the second half hoop are hinged, first half hoop 2 and the second half hoop can be rotated around straight pin, for ensureing the tightness of positioning precision and connection, should not often dismantle, be mainly used in location, also can be used as attachment pegs and safety pin.The quantity of straight pin can be one, also can have multiple, at a distance of more far away better.Straight pin kind is a lot, has general cylindrical pin, cylindrical pin with internal thread, cylindrical pin with external thread, pin with hole, elastic cylindrical pin etc., as long as can realize fixing the first half hoop 2 and the second half hoop, all in protection scope of the present invention.
Taper pin is in order to the other end of the other end and the second half hoop of fixing, lock the first half hoop 2, in fact taper pin is exactly a Rotary-table, go to the top of clipping circular cone by the cone plane of a parallel bottom surface, obtain one large, little " Rotary-table ".The dismounting of taper pin is more convenient, generally plays anti-shearing effect, has positioning action.Taper pin generally has the tapering of 1:50, and self-locking performance is good, and positioning precision is high, easy for installation, repeatedly installs and removes the impact of positioning precision less, and be mainly used in location, also can be used as attachment pegs, pin-and-hole 3 needs articulation usually.
Further optimization technique scheme, arranges cotter pin at the tail end of the second connecting pin, for locking second connecting pin.Concrete, taper pin afterbody has through hole, taper pin is fixed, lock the first half hoop 2 and the second half hoop after, cotter pin is inserted in the through hole of taper pin afterbody, and cotter pin afterbody is pulled open, prevent taper pin from connecting and loosen.The specification, material etc. of cotter pin are determined as the case may be, just illustrate no longer one by one here.
On the basis of above-mentioned embodiment, those skilled in the art can according to the difference of concrete occasion, some changes are carried out to tubing connector, the cross section that first half hoop 2 and the second half hoop obtain along plane cutting perpendicular to axial direction is semicircle, first half hoop 2 is relative with the second half hoop, form joiner body, have attachment hole in the middle of joiner body, connected line ports is circle along the cross section that the plane cutting perpendicular to its axis obtains.Circular pipeline is comparatively common, easy to process, and joiner body is connected easier with line ports.Certainly; line ports can not be circular along the cross section perpendicular to its axis; be such as square; then the cross section of joiner body attachment hole is also square; and to match with line ports; as long as attachment hole is consistent with line ports, whatsoever shape, all in protection scope of the present invention.
Fix the first half hoop 2 and the second half hoop in order to more convenient, can arrange otic placode 1 in the outside cambered surface of the first half hoop 2 and the second half hoop, otic placode 1 and clip can be integrated, and pin-and-hole 3 is opened on otic placode 1.The size of pin-and-hole 3 is determined by the size of the first connecting pin and the second connecting pin.First connecting pin and the second connecting pin are through fastening first half hoop 2 and the second half hoop of pin-and-hole 3, and otic placode 1 will have certain intensity, can not by conquassation.
Tubing connector provided by the present invention, in the immovable situation of other parts, sealing gasket can be plain cushion, and joiner body interior can have groove, is easy to locate plain cushion position, and plain cushion is fixing in the trench, can not arbitrarily rock; Also can not have groove, plain cushion is positioned over neutral position in joiner body.Sealing gasket wants smooth placement, can not have fold, make more to seal between line ports and joiner body, can also eliminate the wearing and tearing between line ports and joiner body.
The joining method of the above-mentioned any one tubing connector of installation provided by the present invention, comprising:
Fixing: by hinged fixing by the first connecting pin for one end of one end of the first half hoop 2 and the second half hoop;
First suit: sealing gasket cover is installed to line ports place;
Second suit: the first half hoop 2 and the second half hoop cover are installed to line ports outside;
Close up: close up the first half hoop 2 and the second half hoop;
Fastening: the other end of the first half hoop 2 and the other end of the second half hoop are fixed by the second connecting pin, locked.
By the first connecting pin by one end of the first half hoop 2 with one end of the second half hoop is hinged is fixed up, concrete, first will both to be hinged fixing by straight pin, the first half hoop 2 and the second half hoop can be rotated around straight pin.Sealing gasket is sleeved on the connecting part of two pipelines, in order to improve the working life of sealing gasket, is specifically as follows C type anti-aging seal ring, fastening iron ring can also be installed in sealing gasket outside.The joiner body fits first half hoop 2 and the second half hoop formed is in sealing gasket and line ports outside, and joiner body preferably overlaps with the axis of line ports.When joiner body interior has a groove, can sealing gasket be snapped in groove, be fixed on groove center portion.After cover installs, firmly close up the first half hoop 2 and the second half hoop, compress after the first connecting pin and the second half hoop to end face closes, the second connecting pin is installed at once fastening, the other end of the first half hoop 2 and the other end of the second half hoop are fixed, locked.In the process of installation pipeline joiner, also want visual inspection sealing gasket, prevent sealing gasket wrinkling, after installing, review and validate pipeline and connect intact, now, complete the installation of tubing connector.
In order to optimize technique scheme further, check before step is fixing first half hoop 2 and the second half hoop whether round and smooth, whether jagged, joiner body should be smooth, do not have burr, can not scratch sealing gasket.Meanwhile, also will check the fluting working position whether rounding at line ports place, do not answer full circle during rounding, wall thickness should be even, and the dirt, greasy dirt, iron rust, chip etc. on surface should be known totally.
In order to optimize technique scheme further, on sealing gasket, smear oiling agent before step the first is set with, and check whether sealing gasket has damage, oiling agent can adopt soap solution or cleaning agent etc., but, must not oil lubricant be adopted; Also will check whether seal ring mates, sealing gasket can be arranged on interface intermediate portion, be enclosed within line ports place during connection, sealing gasket can be rubber seal.
In order to optimize technique scheme further, fastening rear cotter pin locking second connecting pin of step.Cotter pin is set at the tail end of the second connecting pin, for locking second connecting pin.Second connecting pin afterbody has through hole, the second connecting pin is fixed, lock the first half hoop 2 and the second half hoop after, cotter pin is inserted in the through hole of the second connecting pin afterbody, and cotter pin afterbody is pulled open, prevent taper pin connect loosen.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a tubing connector, for connecting pipeline port, it is characterized in that, comprise the first half hoop (2), the second half hoop coordinated with described first half hoop (2), connect first connecting pin of described one end of first half hoop (2) and one end of the second half hoop, connect the second connecting pin of the described the other end of the first half hoop (2) and the other end of the second half hoop and be sleeved on the sealing gasket at line ports place, described first half hoop (2) and the second half hoop can be tightened to joiner body by described first connecting pin and the second connecting pin, described joiner body can be sleeved on described line ports outside and be connected with described line ports, described sealing gasket and line ports are placed in described joiner body.
2. tubing connector according to claim 1, is characterized in that, described first connecting pin is straight pin, and described second connecting pin is taper pin.
3. tubing connector according to claim 1, is characterized in that, also comprises the cotter pin of the second connecting pin described in locking.
4. tubing connector according to claim 1, it is characterized in that, the cross section that described first half hoop (2) and the second half hoop obtain along plane cutting perpendicular to axial direction is semicircle, and the described line ports of connection is circle along the cross section that the plane cutting perpendicular to its axis obtains.
5. tubing connector according to claim 4, it is characterized in that, described first half hoop (2) and the outside cambered surface of the second half hoop all has otic placode (1), described otic placode (1) has pin-and-hole (3), described first connecting pin and the second connecting pin are through fastening described first half hoop (2) of described pin-and-hole (3) and the second half hoop.
6. tubing connector according to claim 1, is characterized in that, described sealing gasket is plain cushion, and described joiner body interior has groove, and described plain cushion is fixing in the trench.
7. a joining method for tubing connector according to any one of claim 1-6 is installed, it is characterized in that, comprising:
Fixing: by hinged fixing by the first connecting pin for one end of one end of described first half hoop (2) and the second half hoop;
First suit: described sealing gasket cover is installed to described line ports place;
Second suit: described first half hoop (2) and the second half hoop cover are installed to line ports outside;
Close up: close up described first half hoop (2) and the second half hoop;
Fastening: the described the other end of the first half hoop (2) and the other end of the second half hoop are fixed by the second connecting pin, locked.
8. the joining method of tubing connector according to claim 7, is characterized in that, check before step is fixing described first half hoop (2) and the second half hoop whether round and smooth, whether jagged.
9. the joining method of tubing connector according to claim 7, is characterized in that, smears oiling agent, and check whether described sealing gasket has damage before step the first is set with on described sealing gasket.
10. the joining method of tubing connector according to claim 7, is characterized in that, the second connecting pin described in the fastening rear cotter pin locking of step.
CN201410612772.0A 2014-11-04 2014-11-04 Pipeline connector and connecting method thereof Pending CN104500880A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410612772.0A CN104500880A (en) 2014-11-04 2014-11-04 Pipeline connector and connecting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410612772.0A CN104500880A (en) 2014-11-04 2014-11-04 Pipeline connector and connecting method thereof

Publications (1)

Publication Number Publication Date
CN104500880A true CN104500880A (en) 2015-04-08

Family

ID=52942312

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410612772.0A Pending CN104500880A (en) 2014-11-04 2014-11-04 Pipeline connector and connecting method thereof

Country Status (1)

Country Link
CN (1) CN104500880A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402533A (en) * 2016-12-09 2017-02-15 徐玉炜 Pipe connecting method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967837A (en) * 1974-11-04 1976-07-06 Construction Forms, Inc. High pressure coupling apparatus
JPH08135858A (en) * 1994-11-09 1996-05-31 Konoike Constr Ltd Connection device for force feed pipe
CN2255540Y (en) * 1996-05-16 1997-06-04 武汉钢铁(集团)公司 Quick-acting joint
CN2783098Y (en) * 2005-04-26 2006-05-24 徐州海伦哲工程机械有限公司 Split type joint clip
KR101313280B1 (en) * 2013-05-24 2013-09-30 (주) 정우카프링 Clamp for repairing pipe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967837A (en) * 1974-11-04 1976-07-06 Construction Forms, Inc. High pressure coupling apparatus
JPH08135858A (en) * 1994-11-09 1996-05-31 Konoike Constr Ltd Connection device for force feed pipe
CN2255540Y (en) * 1996-05-16 1997-06-04 武汉钢铁(集团)公司 Quick-acting joint
CN2783098Y (en) * 2005-04-26 2006-05-24 徐州海伦哲工程机械有限公司 Split type joint clip
KR101313280B1 (en) * 2013-05-24 2013-09-30 (주) 정우카프링 Clamp for repairing pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402533A (en) * 2016-12-09 2017-02-15 徐玉炜 Pipe connecting method

Similar Documents

Publication Publication Date Title
US10718452B1 (en) Hose coupling
US20160025252A1 (en) Quick fitting connector
CN204677930U (en) The pipe coupling of sealed type socket joint
CN202493819U (en) Plug-in type pipe joint
CN210318917U (en) Optimized hoop
CN104500880A (en) Pipeline connector and connecting method thereof
CN104455815B (en) Tapered sealing pipe connector for excavator
US2327449A (en) Conduit fitting
CN108825910B (en) Capillary tube water diversion joint
CN109563953A (en) The retaining ring of pipe joint unit
ITMI20130191U1 (en) CONNECTION SYSTEM FOR REFRIGERATION SYSTEMS PIPING.
CN207298173U (en) A kind of TBM pipelines quick coupling device
CN206159700U (en) Hydraulic hose connecting device
JP2016048115A (en) Joint structure for medium guide pipe and joint method of medium guide pipe
KR200429403Y1 (en) Dispenser multi-swivel
CN204283238U (en) A kind of petroleum sleeve joint
US6832624B1 (en) Plumbing tool and method for repairing a pipe therewith
CN202733237U (en) Connecting device of connection pipe and articulate joint
KR20110116287A (en) Nozzle coupling
CN201152422Y (en) Nanometer high molecule three-safety micropore flexible pipe water catchment hose assembly
CN212028858U (en) Pipeline connecting piece with good fixing effect
KR100536985B1 (en) Pipe connector
CN102494216A (en) Quick loading three-way vent connector for brake or clutch pipeline for vehicle
CN201772172U (en) Oil feeding pipe joint
CN204553216U (en) For the angle coupling of gear pump

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150408