CN209688342U

CN209688342U - Insulating joint plugging device

Info

Publication number: CN209688342U
Application number: CN201920076918.2U
Authority: CN
Inventors: 佘广勇
Original assignee: Novall Tianjin Energy Equipment Co ltd
Current assignee: Novall Tianjin Energy Equipment Co ltd
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2019-11-26
Anticipated expiration: 2029-01-17

Abstract

The utility model discloses an insulating joint plugging device, belonging to the technical field of pipeline fittings, comprising a sealing body tightly attached to two sides of an insulator, wherein the sealing body is sleeved on a connecting pipeline, the center of the sealing body is provided with an annular cavity surrounding a welding seam, and a sealing ring wrapping the welding seam is arranged in the annular cavity; the sealing bodies on the two sides of the insulator are connected into a whole through a connecting structure. The sealing body comprises two semicircular oppositely-clamped flanges matched with the connecting pipeline; the two semicircular butt-clamping flanges are buckled on the connecting pipeline in a detachable connection mode. Lugs with connecting holes extend from two opposite sides of each semicircular butt clamp flange, and assembling bolts and nuts for connecting the two semicircular butt clamp flanges into a whole are arranged on the connecting holes. The utility model is convenient for assembling and installing on the connecting pipeline, and can also simultaneously block the cracks of the welding seams at the two sides of the insulating joint; the sealing rubber strip is wound on the connecting pipeline to form an O-shaped sealing ring which is tightly pressed on the welding seam crack, and the sealing effect is durable, effective and reliable.

Description

A kind of insulating joint device for plugging

Technical field

The utility model relates to pipe fitting technical fields, more particularly to a kind of insulating joint device for plugging.

Background technique

Insulating joint is one of the conduit fittings more generally used both at home and abroad at present, because it is simple with structure, assembly and disassembly letter Just, the advantages that energy compensation conduit is displaced because caused by expanding with heat and contract with cold, bends, misplacing is widely used in ship, land conveying The connection of the pipeline of water, oil, gas and particle powdery medium；The use of the conduit fittings is the installation of pipeline engineering, uses band really Great convenience is carried out.

And during insulation connects in place to actual welding installation, often due to a large amount of welding stresses of pipeline remaining, or Buttress, bracket, pipe clamp, which are arranged, covers weight on unreasonable perhaps pipeline or pipe vibration is violent, can all lead to insulating joint Root run, which cracks, to be leaked, and the normal use of equipment is influenced, it is therefore necessary to carry out leak stopping operation.

Utility model content

The technical issues of the utility model is directed in the prior art provides a kind of simple and efficient, safe and reliable insulation Connector device for plugging not only can guarantee that material normally conveyed, but also can avoid material No leakage and guarantee delivery safety.

The utility model is adopted the technical scheme that solve technical problem present in well-known technique:

A kind of insulating joint device for plugging, the seal including being tightly attached to insulator two sides, the seal are set in company On adapter tube road, seal center is equipped with the annular housing around weld seam, and the sealing ring of package weld seam is equipped in the annular housing； The seal of insulator two sides is connected as one by connection structure.

Further, the seal includes with matched two semicircles of connecting pipe to folder flange；The two semicircles are to folder Flange is fastened in connecting pipe by way of being detachably connected.

Further, each semicircle extends the lug with connecting hole to the opposite two sides of folder flange, on connecting hole Equipped with the erection bolt and nut for being integrated two semicircles to folder flanged joint.

Further, the annular housing includes the sealing with the matched positioning chamber of connecting pipe and the accommodating sealing ring Chamber；The diameter of seal chamber is greater than the diameter of positioning chamber.

Further, the sealing ring is the O-ring seals being bonded by the sealing joint strip that diameter is φ 10.

Further, the connection structure includes several threaded holes circumferentially uniformly distributed along seal axial direction, insulator two sides Screw thread hole site sum number amount is corresponding, and corresponding threaded hole is equipped with the hold-down bolt and spiral shell that seal is pressed on to insulator two sides It is female.

Further, location structure is additionally provided on seal；The location structure includes being located at each pair of semicircle to folder flange To several location holes of folder side, the location hole is uniformly located at the two sides of annular housing；Location hole is equipped with positioning pin.

The utility model has the advantages and positive effects of:

The insulating joint device for plugging of the utility model by using using two-flap type semicircle to folder flange, and using positioning Guarantee group is sold to accurately the spelling group in connecting pipe in place, being convenient for install, and two side weld of insulating joint can also be split simultaneously Line carries out leak stopping；It is entangled in connecting pipe using sealing joint strip and O-ring seal is made closely covers on bead crack, sealing effect Fruit is persistently, effectively, reliably.

Detailed description of the invention:

Fig. 1 is the schematic diagram of insulating joint in the prior art；

Fig. 2 is the structural schematic diagram of insulating joint device for plugging in the preferred embodiment in the utility model；

Fig. 3 is the sectional view along A-A of Fig. 2；

Fig. 4 is the explosive view of insulating joint device for plugging in the preferred embodiment in the utility model.

Wherein: 1, connecting pipe；2, insulator；21, weld seam；3, seal；31, annular housing；311, positioning chamber；312, Seal chamber；32, semicircle is to folder flange；321, lug；322, erection bolt；33, location structure；331, location hole；332, it positions Pin；4, sealing ring；5, connection structure；51, threaded hole；52, hold-down bolt.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The purpose of the utility model is to provide a kind of insulating joint device for plugging, the insulating joint is as shown in Figure 1, include circle Cylindrical connecting pipe 1 and the insulator 2 being located in connecting pipe 1；The weldering of the two sides and 1 joint of connecting pipe of insulator 2 Seam 21 is easy to appear crackle, and the utility model can be by the close of bead crack isolation by being arranged on the short tube of 2 two sides of insulator It seals body 3 and carries out leak stopping with the matched sealing ring 4 of seal 3.The device for plugging convenient for assembling, sealing effect persistently, effectively, Reliably.

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have Body embodiment is described in further detail the utility model.

As shown in Figures 2 to 4, a kind of insulating joint device for plugging of the utility model, including it is tightly attached to 2 two sides of insulator Seal 3, the seal 3 is set in connecting pipe 1, and 3 center of seal is equipped with the annular housing 31 around weld seam 21, The sealing ring 4 of package weld seam 21 is equipped in the annular housing 31；The seal 3 of 2 two sides of insulator is connected by connection structure 5 It is integrated；Preferably, the seal 3 is the disc being socketed with connecting pipe 1, and the connection structure 5 includes along seal 3 Axial circumferentially uniformly distributed several threaded holes 51,51 position of threaded hole of 2 two sides of insulator and quantity are corresponding, corresponding threaded hole 51 It is equipped with the hold-down bolt 52 and nut that seal 3 is pressed on to 2 two sides of insulator；The setting of connection structure 5 not only will insulation The seal 3 of 2 two sides of body is linked together, and is played and in the axial direction positioned seal 3, and sealing ring 4 is made to be pressed on weld seam Effect on 21.

Preferably, since the length of connecting pipe 1 is very long, the seal 3 includes and connecting pipe 1 matched two A semicircle is to folder flange 32；Two semicircles are fastened in connecting pipe 1 folder flange 32 by way of being detachably connected to be convenient for Installation and removal；Preferably, the lug 321 with connecting hole is extended in the semicircle two sides opposite to folder flange 32, connects Hole is equipped with the erection bolt 322 and nut for being connected as one two semicircles to folder flange 32；

Preferably, the annular housing 31 includes and the matched positioning chamber 311 of connecting pipe 1 and the accommodating sealing ring 4 seal chamber 312；The diameter of seal chamber 312 is greater than the diameter of positioning chamber 311；It is fixed in the axial direction to be positioned such that chamber 311 plays The effect of position sealing ring 4, sealing can be more effective.

Preferably, the sealing ring 4 is O-ring seals 4, and the O-ring seals 4 are oblique by the sealing joint strip that diameter is φ 10 Field-winding is cut after certain angle in the connecting pipe 1 where weld seam 21 and is bonded, it is preferred that in order to increase bond area from And guaranteeing adhesive effect, mis-cut angle (notch and radial angle) is 45 °.

Preferably, location structure 33 is additionally provided on seal 3；Specifically, the location structure 33 includes being located at per half-and-half Circle presss from both sides several location holes 331 of side to 32 pairs of flange of folder, and the location hole 331 is uniformly located at the two sides of annular housing 31；It is fixed Position hole 331 is equipped with positioning pin 332；The setting of location structure 33 is the position in order to enable semicircle to folder flange 32 when to folder It is enough accurate, thus guarantee can accurately to become the annular housing 31 after folder with the matched full circle of connecting pipe 1, and close Uniform force when seal 4 is pressed into annular housing 31, is further ensured that sealing effect.

The installation of the device for plugging includes the following steps:

A) before on-site assembly installation, the anti-corrosion material on insulating joint is removed, including welding slag, floating rust, impurity are removed in polishing To metallic luster, and guarantee 21 smooth surface of connecting pipe 1 and weld seam；

B) semicircle is assembled into completely in 2 two sides of insulator to folder full circle flange folder flange 32 respectively；

C) according to the requirement of practical seal length, 10 sealing joint strip of φ is chamfer 45 ° and is wrapped in the weldering of insulating joint two sides On seam 21, then notch is bonded to form O-ring；

D lithium base grease) is filled in the seal chamber 312,4 adhesion seal chamber of sealing ring will be pushed into folder full circle flange In 312, in order to guarantee that sealing effect, 4 abutting edge of sealing ring, semicircle are necessary to folder face and 21 cracks of weld seam to folder flange 32 It is staggeredly arranged；

E) seal 3 of two sides is connected as one and seal 3 is made to be pressed on 2 two sides of insulator by connection structure 5, So that sealing ring 4, which is covered, reaches seal request in 21 crackle of weld seam；

F air pressure/air seal test) is carried out to insulating joint and device for plugging, confirmation leak stopping succeeds and keeps a record/report；

G) according to site requirement, to after reparation insulating joint and device for plugging integrally carry out preservative treatment, and keep a record/ Report.

The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model Embodiment is not to be regarded as limiting the scope of the utility model.Impartial change made according to the scope of application of this utility model Change and improve etc., it should still belong within the patent covering scope of the utility model.

Claims

1. a kind of insulating joint device for plugging, the seal including being tightly attached to insulator two sides, the seal are set in connection On pipeline, it is characterised in that: seal center is equipped with the annular housing around weld seam, and package weld seam is equipped in the annular housing Sealing ring；The seal of insulator two sides is connected as one by connection structure.

2. insulating joint device for plugging as described in claim 1, it is characterised in that: the seal includes and connecting pipe Two semicircles matched are to folder flange；The two semicircles are fastened in connecting pipe folder flange by way of being detachably connected.

3. insulating joint device for plugging as claimed in claim 2, it is characterised in that: each semicircle is opposite to folder flange The lug with connecting hole is extended in two sides, and connecting hole is equipped with the erection bolt for being integrated two semicircles to folder flanged joint And nut.

4. insulating joint device for plugging as described in claim 1, it is characterised in that: the annular housing includes and connecting pipe The seal chamber of matched positioning chamber and the accommodating sealing ring；The diameter of seal chamber is greater than the diameter of positioning chamber.

5. insulating joint device for plugging as described in claim 1, it is characterised in that: it is φ 10 that the sealing ring, which is by diameter, The O-ring seals that sealing joint strip is bonded.

6. insulating joint device for plugging as described in claim 1, it is characterised in that: the connection structure includes along seal axis To circumferentially uniformly distributed several threaded holes, the screw thread hole site sum number amount of insulator two sides is corresponding, and corresponding threaded hole is equipped with will Seal is pressed on the hold-down bolt and nut of insulator two sides.

7. insulating joint device for plugging as claimed in claim 2, it is characterised in that: be additionally provided with location structure on seal；Institute Stating location structure includes several location holes for being located at each pair of semicircle to folder flange to folder side, and the location hole is uniformly located at annular The two sides of cavity；Location hole is equipped with positioning pin.