CN207213411U

CN207213411U - A kind of joint of nonmetal pipeline

Info

Publication number: CN207213411U
Application number: CN201721227126.8U
Authority: CN
Inventors: 白勇; 李锦生; 李佳
Original assignee: Shenzhen Zhonghai Marine Engineering Ltd By Share Ltd
Current assignee: NINGBO OPR OFFSHORE ENGINEERING EQUIPMENT CO.,LTD.
Priority date: 2017-09-22
Filing date: 2017-09-22
Publication date: 2018-04-10
Anticipated expiration: 2027-09-22

Abstract

The utility model provides a kind of joint of nonmetal pipeline, including：Flange is intubated, sleeve and wedge；The flange is intubated one end and coordinated with insertion section, the other end with connecting portion, the insertion section in the inner chamber of nonmetal pipeline to be connected, and the side of the insertion section is provided with fitting projection；Described sleeve one end is connected with big mouth, the other end with osculum, the big mouth with the fitting projection, and the osculum coordinates on the outer surface of nonmetal pipeline；The cross section of the wedge is Yangtze River Delta shape from the coarse to fine, and it is assemblied between the outer surface of the inner surface of the sleeve and nonmetal pipeline to be connected.The utility model is entered in the inner chamber of nonmetal pipeline to be connected using flange intubation grafting, is then compressed by sleeve and wedge with nonmetal pipeline to be connected, the joint at both ends is finally docked to the connection for realizing nonmetal pipeline together.The bonding strength of this jointing is high, good airproof performance, and connects easy to use.

Description

A kind of joint of nonmetal pipeline

Technical field

Technical field of pipeline connection is the utility model is related to, more particularly to a kind of joint of nonmetal pipeline.

Background technology

With the development of marine economy, the use of submarine pipeline is also more and more, wherein as terminal connecting structure body Pipe joint is to influence an important ring for pipeline transportation safety.Particularly with nonmetal pipeline, by the temperature of seawater, flow velocity, Many influences such as corrosion, it is easy to damage leakage occur, cause damage.Therefore, this area needs a kind of bonding strength high, The joint of the nonmetal pipeline of good airproof performance.

Utility model content

Therefore, a purpose of the present utility model is to propose that a kind of bonding strength is high, the nonmetal pipeline of good airproof performance Joint.

The utility model provides a kind of joint of nonmetal pipeline, including：Flange is intubated, sleeve and wedge；Institute Flange intubation is stated for one end with the tubular structure of insertion section, the other end with connecting portion, the insertion section to coordinate to be connected Nonmetal pipeline inner chamber in, the connecting portion docks with the joint of nonmetal pipeline another described, and the insertion The side in portion is provided with fitting projection；The sleeve be one end with the tubular structure of big mouth, the other end with osculum, and it is opened Mouth is tapered into from big opening end to osculum end, and the big mouth is connected with the fitting projection, and the osculum coordinates to be connected Nonmetal pipeline outer surface on；The cross section of the wedge is Yangtze River Delta shape from the coarse to fine, and it is assemblied in the set Between the inner surface of cylinder and the outer surface of nonmetal pipeline to be connected.

The utility model is entered in the inner chamber of nonmetal pipeline to be connected using flange intubation grafting, then by sleeve and Wedge is compressed with nonmetal pipeline to be connected, and the joint at both ends is finally docked to the company for realizing nonmetal pipeline together Connect.The bonding strength of this jointing is high, good airproof performance, and connects easy to use.

Further, the connecting portion opening position of the flange intubation is provided with metal o-ring.

Further, the connecting portion of the connecting portion and the joint of another nonmetal pipeline passes through bolt pair Connect.

Further, the insertion section at the cooperation position of the inner chamber of nonmetal pipeline to be connected with being provided with O-ring And back-up ring.

Further, the big mouth of the sleeve is connected on the fitting projection by pinching screw.

Further, the wedge is split-type structure, is equably wrapped in the appearance of nonmetal pipeline to be connected On face.

Further, there is locating piece on the butt end of the wedge, contacted on the fitting projection with the wedge Side on there is neck, the locating piece is connected in the neck.

Further, there is groove on the outer surface of the wedge.

Further, there is anti-skidding pyramid on the inner surface of the wedge.

Further, the wedge has 6 valves, is equably wrapped on the outer surface of nonmetal pipeline to be connected.

Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the joint of nonmetal pipeline of the utility model embodiment；

Fig. 2 is the structural representation of the O-ring and back-up ring of a kind of joint of nonmetal pipeline of the utility model embodiment Figure；

Fig. 3 A are a kind of sectional view of the flange intubation of the joint of nonmetal pipeline of the utility model embodiment；

Fig. 3 B are a kind of side view of the flange intubation of the joint of nonmetal pipeline of the utility model embodiment；

Fig. 4 A are a kind of sectional view of the sleeve of the joint of nonmetal pipeline of the utility model embodiment；

Fig. 4 B are a kind of side view of the sleeve of the joint of nonmetal pipeline of the utility model embodiment；

Fig. 5 A are a kind of bottom view of the wedge of the joint of nonmetal pipeline of the utility model embodiment；

Fig. 5 B are a kind of side view of the wedge of the joint of nonmetal pipeline of the utility model embodiment.

In accompanying drawing mark for：

1 flange is intubated

11 insertion sections

12 connecting portions

13 fitting projections

14 necks

2 sleeves

21 big mouths

22 osculums

3 wedges

31 locating pieces

32 grooves

33 anti-skidding pyramids

4 pinching screws

5 metal o-rings

6O type circles

7 back-up rings

8 bolts

9 nonmetal pipelines

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

A kind of joint of nonmetal pipeline of the utility model, as shown in Fig. 1, Fig. 3 A, Fig. 3 B, Fig. 4 A and Fig. 4 B, including Flange intubation 1, sleeve 2 and wedge 3；The flange intubation 1 is for one end with insertion section 11, the other end with connecting portion 12 Tubular structure, the insertion section 11 coordinate in the inner chamber of nonmetal pipeline 9 to be connected, the connecting portion 12 and another institute The joint docking of nonmetal pipeline is stated, and the side of the insertion section 11 is provided with fitting projection 13；The sleeve 2 is one end With big mouth 21, tubular structure of the other end with osculum 22, and its opening is tapered into from big opening end to osculum end, described big Mouth 21 is connected with the fitting projection 13, and the osculum 22 coordinates on the outer surface of nonmetal pipeline 9 to be connected；It is described The cross section of wedge 3 is Yangtze River Delta shape from the coarse to fine, and it is assemblied in the inner surface of the sleeve 2 and to be connected nonmetallic Between the outer surface of pipeline 9.The utility model is entered in the inner chamber of nonmetal pipeline to be connected using flange intubation grafting, then Compressed by sleeve and wedge and nonmetal pipeline to be connected, finally the joint at both ends is docked to realize together it is nonmetallic The connection of pipeline, high pressure sealing is realized, the bonding strength of this jointing is high, good airproof performance, and connects easy to use.

In the one side of the utility model embodiment, the opening position of connecting portion 12 of the flange intubation 1 is provided with metal Sealing ring 5, the connecting portion 12 are docked with the connecting portion 12 of the joint of nonmetal pipeline another described by bolt 8, such as Shown in Fig. 2, the insertion section 11 at the cooperation position of the inner chamber of nonmetal pipeline 9 to be connected with being provided with O-ring 6 and back-up ring 7.The air-tightness when joint that the setting of metal o-ring adds two nonmetal pipelines docks, O-ring and back-up ring are set Put the air-tightness and fastness for adding and being connected between the insertion section of flange intubation and the inwall of nonmetal pipeline.

In the one side of the utility model embodiment, the big mouth 21 of the sleeve 2 is connected to described by pinching screw 4 On fitting projection 13, the wedge 3 is split-type structure, it is preferred that the wedge 3 includes 6 valves, is equably wrapped in and treats On the outer surface of the nonmetal pipeline 9 of connection, as fig. 5 a and fig. 5b, there is locating piece 31 on the butt end of the wedge 3, There is neck 14, the locating piece 31 is connected to the card on the side contacted on the fitting projection 13 with the wedge 3 In groove 14, there is groove 32 on the outer surface of the wedge 3, there is anti-skidding pyramid 33 on the inner surface of the wedge 3.Wedge The locating piece of shape block enters the neck connection positioning of flange intubation, and the inner surface of wedge is machined with anti-skidding pyramid, in outer masterpiece Under, the outer wall of anti-skidding pyramid press-in nonmetal pipeline, prevent nonmetal pipeline from being slipped with joint.Wedge outer surface is machined with A plurality of groove, drive under forward compressing, be deformed, to realize high pressure sealing when sleeve is clamped screw-driving.This folder The use of tight screw, can also reduce the requirement to specific purpose tool, and manual wrench can complete joint installation.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims

A kind of 1. joint of nonmetal pipeline, it is characterised in that including：

Flange is intubated, sleeve and wedge；

The flange intubation coordinates for one end with the tubular structure of insertion section, the other end with connecting portion, the insertion section In the inner chamber of nonmetal pipeline to be connected, the connecting portion docks with the joint of nonmetal pipeline another described, and institute The side for stating insertion section is provided with fitting projection；

The sleeve be one end with the tubular structure of big mouth, the other end with osculum, and its opening is from big opening end to osculum end Taper into, the big mouth is connected with the fitting projection, and the osculum coordinates the appearance in nonmetal pipeline to be connected On face；

The cross section of the wedge is Yangtze River Delta shape from the coarse to fine, and it is assemblied in the inner surface of the sleeve and to be connected Between the outer surface of nonmetal pipeline.
A kind of 2. joint of nonmetal pipeline as claimed in claim 1, it is characterised in that the connecting portion of the flange intubation Opening position is provided with metal o-ring.
3. a kind of joint of nonmetal pipeline as claimed in claim 2, it is characterised in that the connecting portion and another institute The connecting portion for stating the joint of nonmetal pipeline is docked by bolt.
A kind of 4. joint of nonmetal pipeline as claimed in claim 3, it is characterised in that the insertion section with it is to be connected O-ring and back-up ring are provided with the cooperation position of the inner chamber of nonmetal pipeline.
5. a kind of joint of nonmetal pipeline as claimed in claim 1, it is characterised in that the big mouth of the sleeve passes through folder Tight mode connects for screw is on the fitting projection.
6. a kind of joint of nonmetal pipeline as claimed in claim 1, it is characterised in that the wedge is split-type knot Structure, equably it is wrapped on the outer surface of nonmetal pipeline to be connected.
7. a kind of joint of nonmetal pipeline as claimed in claim 6, it is characterised in that have on the butt end of the wedge There is locating piece, there is neck on the side contacted on the fitting projection with the wedge, the locating piece is connected to described In neck.
8. a kind of joint of nonmetal pipeline as claimed in claim 7, it is characterised in that on the outer surface of the wedge With groove.
9. a kind of joint of nonmetal pipeline as claimed in claim 8, it is characterised in that on the inner surface of the wedge With anti-skidding pyramid.
A kind of 10. joint of nonmetal pipeline as claimed in claim 9, it is characterised in that the wedge has 6 valves, Equably it is wrapped on the outer surface of nonmetal pipeline to be connected.