CN201155624Y

CN201155624Y - Metal skeleton reinforced composite plastic pipeline

Info

Publication number: CN201155624Y
Application number: CNU200820062049XU
Authority: CN
Inventors: 甘国工
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-30
Filing date: 2008-01-30
Publication date: 2008-11-26
Anticipated expiration: 2018-01-30

Abstract

The utility model provides a metal skeleton reinforced plastic composite pipe, wherein, the end of the metal skeleton reinforced plastic composite pipe is provided with an inner layer casing which has a lug boss, at least the external circumference of the inner layer casing is connected with a plastic inner layer arranged on the end of the metal skeleton reinforced plastic composite pipe with holes by melting in the inner layer casing. A pipeline connector is connected with the plastic outer layer of the end of the metal skeleton reinforced plastic composite pipe and the external circumference surface of the lug boss of the inner layer casing by melting, the pipeline connector and the inner layer casing are connected as a whole and form an annular U-shaped spigot, and the plastic outer layer, the plastic inner layer and the pipeline end surface of the end of the metal skeleton reinforced plastic composite pipe are completely coated by the annular U-shaped spigot by melting. The annular U-shaped spigot of the utility model ensures the plastic outer layer, the plastic inner layer and the pipeline end surface of the end of the metal skeleton reinforced plastic composite pipe to be completely and closely coated, thus having firm and reliable connection, non-leakage, and high conjuncture mechanical strength, moreover, preventing fluids from entering the metal skeleton and eroding the metal skeleton, and leading the pipeline to have long service life.

Description

Metal framework reinforced plastic composite pipe

Technical field:

The utility model relates to a kind of metal framework reinforced plastic composite pipe.

Background technique:

Being connected with the mechanical snap method between the plastic tube of known metal composite connects, as aluminium-plastic composite pipe, the electrical heating wire electric heating tubing that useful pipe connecting component joint socket inner chamber distributes is connected the two sides fusion with the cylindricality junction surface or the tapering junction surface of pipe fitting, also utilize spin friction to give birth to the method for heat fusing connection with the method for the conical surface between tubing and the pipe fitting together with the step end face heat fusing connection of tube intracavity just like number of patent application 200510021077.8, also just like number of patent application 03225501, this patent disclosure be a kind of aluminium-plastic composite pipe hot melt linkage structure, in addition also just like number of patent application 200510022348.1, this patent disclosure be a kind ofly " to lay respectively in the metal frame; the outer inner plastic of one deck at least tube wall tilted conical surface; one deck plastic outer layer tube wall tilted conical surface at least, adopt heat fusing heating resistance collar and glow plug respectively they to be added thermal recovery thermofusible spigot method between the inner conical surface of each tilted conical surface and plastic pipe joint socket and be connected to pipe network.”

In the above-mentioned known technology, use the mechanical snap method, can not give full play to the characteristics that pipe connecting member of plastics material can be tightly connected with metal composite plastic tube hot melt, can not prevent effectively that the pipe network fluid from strengthening the corrosion of skeleton to the metal in the composite pipe.

Electric heating wire heating and melting tubing and pipe fitting junction surface with the distribution of pipe connecting member of plastics material joint socket inner chamber, because of adding silk, electricity can only distribute at outer wall or tube intracavity, can not utilize plastics melting sealed between the ring-shaped step with tubing end and tube intracavity design, strengthen the corrosion of the sealing of skeleton and fluid so can not solve the metal of the metal composite pipe of the pipe network that connects to it, though taked to utilize plastic hoop to come sealing metal to strengthen skeleton plastic outer layer in the tube end face heating and melting connection skeleton in advance, but coefficient is different because metal and two kinds of material hot lines of plastics expand, plastic pipe electric heating melts when connecting, the cooling that reality is different because of line expands or welding is later is shunk different, plastic outer layer reality has order of magnitude difference because of linear expansion in plastic hoop and the metal frame, the reason of expanding with heat and contract with cold causes skeleton to withstand plastic hoop, produces the crack between the two and does not reach seal request.

(application number 200510021077.8) of the applicant's application utilizes the welding of spin friction heat fusing, this technology provides a kind of pipe end flange of steel-frame reinforced composite plastic pipe, pipe end flange is made up of with a plastics flange that is connected with end face spin friction heating and melting with the outer cone surface of multiple tube or pipe fitting end plastic composition pipeline or pipe fitting that Steel Skeleton strengthens, this flange has an inwall that is tapering and a step surface that is connected with the end face fusion of multiple tube or pipe fitting that matches with the tapering on multiple tube or pipe fitting outer cone surface, the outer cone surface of this inwall and step surface and multiple tube or pipe fitting contacts with end face and when producing spin friction, their contact friction face Yin Shengre and fusion, the smelt that produces couples together the outer cone surface and the fusion of pipe end face of flange inner wall and step end face and multiple tube and pipe fitting, make plastics flange become the pipe end flange that nonvolatil fusion is connected with multiple tube or pipe fitting, the pipe end flange hot melt of this pipeline or pipe fitting docks just can connect and is pipe network, this technology has realized better seal to the enhancing Steel Skeleton of pipeline or pipe fitting, solved the connection sealing difficult problem in metal enhancing framework composite tube road, this spin friction utilizes the fusion of the conical surface and end face to be connected, though preferably resolve the sealing of metal frame, but it is more at the complicated pipe fitting that need connect of design of pipe networks, when type is complicated, when being connected of more vertical with horizontal solid particularly arranged, only depend on and utilize spin friction melting tube end flange on pipeline or the pipe fitting, and with pipe end flange again hot melt to form pipe network be to be inconvenient to rotate to fetching.When networking, have vertically especially or when laterally connecting, or when being welded to form a net or arm, can't rotate the frictional heat welding.This method is than major diameter, on ground or bury when the ground straight tube connects abundant advantage is arranged, in connecting building and in the plane, sub-district or the less difficulty that has the rotation inconvenience when φ 200 is following of main body pipe network or diameter.

As number of patent application 200510022348.1, the pipe network that this model utility metal composite plastic tube is connected with plastic pipe, there is coniform joint socket the plastic pipe termination, the metal frame mesosphere is arranged in the metal composite plastic tube, in the metal frame mesosphere, at least one deck plastic layer is arranged respectively on the outer wall, there is the cone that cooperates with the coniform joint socket of plastic pipe metal composite plastic tube termination, inner plastic tube wall end face is arranged on the cone, the metal frame tilted conical surface that cooperates with the joint socket inner conical surface, lay respectively in the metal frame, the outer inner plastic of one deck at least tube wall tilted conical surface, at least one deck plastic outer layer tube wall tilted conical surface adopts heat fusing heating resistance collar and glow plug respectively they to be added thermal recovery thermofusible spigot method and is connected to pipe network between the inner conical surface of each tilted conical surface and plastic pipe joint socket.Because of tube wall and pipe joint inner cavity surface all are conical surfaces, heat fusing body when heating the back socket joint each other on the conical surface of correspondence is because of extruding rather than push out junction surface, enough melts are not only arranged, enough pressure is also arranged, welding is good each other, but still exist the metal frame of pipeline end face to be connected weak link with the plastic pipe termination with inner plastic, particularly the metal composite plastic tube is applied under the abominable occasion of environment, as delivery, but coefficient has order of magnitude difference because metal and two kinds of material hot lines of plastics expand, cold and heat succeed each other for a long time, the generation crack does not reach seal request between the two because of the reason of expanding with heat and contract with cold causes to connect weak link place's plastics and metal frame.

The model utility content:

In view of above reason, the purpose of this utility model is in order to overcome above deficiency, to provide a kind of multiple tube that makes to be connected firmly, the metal framework reinforced plastic composite pipe of seam crossing mechanical strength height, nothing leakage, pipeline long service life.

Order of the present utility model is achieved like this:

The utility model metal framework reinforced plastic composite pipe, metal framework reinforced plastic composite pipe end have the inner layer sleeve of band boss, and excircle is connected with the inner plastic fusion of the metal skeleton reinforced composite plastic pipeline end in hole with holes in the inner layer sleeve.

In the above-mentioned composite pipe pipe joint is arranged, pipe joint is connected with the plastic outer layer of metal skeleton reinforced composite plastic pipeline end and the boss outer peripheral surface fusion of inner layer sleeve, pipe joint and inner layer sleeve fusion connect as one and form an annular U type joint socket, the annular U type joint socket coats the plastic outer layer of metal skeleton reinforced composite plastic pipeline termination and inner plastic and the complete fusion of pipeline end face, and multiple tube is connected by pipe joint with multiple tube and forms pipe network.Pipe joint and internal layer cover form plastic outer layer and inner plastic and pipeline end face complete tight coat of pipe annular U type joint socket with the metal skeleton reinforced composite plastic pipeline termination, improved the joint mechanical strength widely, prevented that effectively fluid from sealing in metal frame it is corroded, be connected firmly, reliably, do not have to leak, guaranteed pipeline working life.

Be compounded with metal frame in the above-mentioned pipe joint.

Fluted or boss on the end face of above-mentioned pipe joint.

Be side ring surface in the excircle of inner layer sleeve and the boss to be coupled together with the inner plastic and the fusion of pipeline end face of metal skeleton reinforced composite plastic pipeline end respectively in the above-mentioned metal framework reinforced plastic composite pipe by the molten mode of hot melting way or electric heating.The pipeline end face fusion of side ring surface and metal skeleton reinforced composite plastic pipeline end couples together in the boss, has improved pipeline end face seal reliability.

Inner layer sleeve couples together plastic sealing ring and the fusion of metal skeleton reinforced composite plastic pipeline end face by hot melting way with before metal skeleton reinforced composite plastic pipeline is connected in the above-mentioned metal framework reinforced plastic composite pipe.Earlier the multiple tube end face is connected sealing with the plastic sealing ring fusion, further improved sealing reliability, can prevent effectively that more fluid from sealing in metal frame it is corroded.

When inner layer sleeve is connected by hot melting way or the molten mode of electric heating with metal skeleton reinforced composite plastic pipeline in the above-mentioned metal framework reinforced plastic composite pipe, inner layer sleeve is clung on the metal skeleton reinforced composite plastic pipeline inner plastic by mechanical type or air bag formula intramedullary expansion utensil.In order to reduce circulating resistance in the pipe network, should inner layer sleeve be done thin as far as possible, inner layer sleeve distortion when preventing that inner layer sleeve and metal skeleton reinforced composite plastic pipeline are connected by hot melting way or the molten mode of electric heating, be necessary to make the inner face that ring-type intramedullary expansion utensil withstands inner layer sleeve, inner layer sleeve can be connected with the fusion of metal skeleton reinforced composite plastic pipeline inner plastic better.Multiple tube and multiple tube can adopt electric heating wire or electric heating fusion to connect as one the formation pipe network by pipe joint.

The plastics composite flange that metal flange or metal-containing skeleton are arranged on pipe joint in the above-mentioned metal framework reinforced plastic composite pipe.

On the pipe joint attachment hole is arranged in the above-mentioned metal framework reinforced plastic composite pipe, multiple tube and multiple tube or multiple tube and pipe coupling directly connect as one formation pipe network by the attachment hole on the pipe joint with multiple tube and multiple tube or multiple tube and pipe coupling with bolt.

Above-mentioned metal framework reinforced plastic composite pipe, it is with the vertical butt joint of metal aperture guipure or overlap joint or spiral butt joint or overlap joint and the tubular metal frame that forms through welding fabrication that metal frame in the metal skeleton reinforced composite plastic pipeline strengthens body, or the tubular metal frame that twines the warp-wise steel wire and its point of contact welding fabrication is formed with the broadwise steel wire, or left-handed and/or right hand helix twines the tubular metal frame that forms with steel wire, or the tubular metal frame that forms with braided steel wire.

The utility model has adopted inner layer sleeve, can when making metal compounded pipe, factory directly inner layer sleeve and pipeline be made, very convenient when making site operation, the annular U type joint socket that inner layer sleeve and pipe joint form is with plastic outer layer and the inner plastic and the fully closely coating of pipeline end face of metal skeleton reinforced composite plastic pipeline termination, be connected firmly, reliably, do not have and leak, joint mechanical strength height, and prevented that fluid from sealing in metal frame it is corroded, the pipeline long service life.

Description of drawings:

Fig. 1 is the utility model inner layer sleeve schematic representation.

Fig. 2 is that the utility model inner layer sleeve and multiple tube adopt the electric heating wire connection diagram.

Fig. 3 is that the utility model inner layer sleeve, pipe joint and multiple tube adopt the electric heating wire connection diagram

Fig. 4 is connected to form the pipe network schematic representation by pipe joint electric heating fusion for the utility model multiple tube and multiple tube.

Fig. 5 is another schematic representation of the utility model inner layer sleeve.

Fig. 6 is that the utility model inner layer sleeve, pipe joint and multiple tube adopt electric heating fusion connection diagram.

Fig. 7 is connected to form another schematic representation of pipe network by pipe joint electric heating fusion for the utility model multiple tube and multiple tube.

Fig. 8 adopts electric heating wire heating and melting connection diagram for the utility model clings to inner layer sleeve by mechanical type intramedullary expansion utensil on the metal skeleton reinforced composite plastic pipeline inner plastic.

Fig. 9 is the structural representation of intramedullary expansion utensil among Fig. 8.

Figure 10 is that the utility model three-way pipeline link and multiple tube adopt the electric heating wire connection diagram.

Figure 11 is for having pipe joint and the multiple tube employing electric heating wire connection diagram that metal strengthens skeleton in the utility model.

Figure 12 is that the pipe joint and the multiple tube of band pipe end flange in the utility model adopts the electric heating wire connection diagram.

Figure 13 adopts the electric heating wire connection diagram for pipe joint and the multiple tube that the utility model contains attachment hole.

Figure 14 is another structural representation of the utility model.

Embodiment:

Embodiment 1:

Fig. 1, Fig. 2 have provided present embodiment 1 figure.Present embodiment 1 is at first to make an inner layer sleeve 1, and boss 2 is arranged in the inner layer sleeve 1, and outer peripheral surface is provided with electric heating wire 3, and first wiring terminal 4 is arranged.As shown in Figure 2, couple together by of inner plastic 9 fusions of the molten mode of electric heating metal skeleton reinforced composite plastic pipeline 10 ends in the outer peripheral surface of inner layer sleeve and hole with holes, boss 2 external diameters are identical with the multiple tube external diameter, there is the hole pattern steel sheet metal skeleton 7 in the hole with holes that is coated by plastic outer layer 8 and inner plastic 9 (or to twine the warp-wise steel wire and to the tubular metal frame of its point of contact welding fabrication formation in the metal skeleton reinforced composite plastic pipeline 10 in hole with holes with the broadwise steel wire, or left-handed and/or right hand helix twines the tubular metal frame that forms with steel wire, or the tubular metal frame that forms with braided steel wire).

Embodiment 2:

Fig. 1, Fig. 3, Fig. 4 have provided present embodiment 2 figure.Present embodiment 2 is basic same with embodiment 1, do not exist together is again with 6 energisings of second wiring terminal, by the molten mode of electric heating bipass pipe connecting 5 and the plastic outer layer 8 of metal skeleton reinforced composite plastic pipeline 10 ends and the boss outer peripheral surface fusion of inner layer sleeve are coupled together, make pipe joint and inner layer sleeve fusion connect as one and form an annular U type joint socket 11, annular U type joint socket 11 is with plastic outer layer 8 and the inner plastic 9 and the complete fusion coating of pipeline end face of metal skeleton reinforced composite plastic pipeline 10 terminations, in like manner, as shown in Figure 4, multiple tube 10 adopts the electric heating wire heating and melting to connect as one the formation pipe network with multiple tube 10 by pipe joint 5, because the annular U type joint socket is with plastic outer layer and the inner plastic and the fully closely coating of pipeline end face of metal skeleton reinforced composite plastic pipeline termination, be connected firmly, reliably, do not have and leak, joint mechanical strength height, and prevented that fluid from sealing in metal frame it is corroded.

Embodiment 3:

Fig. 5, Fig. 6, Fig. 7 have provided the utility model embodiment 3 figure.Present embodiment 3 fundamental sum embodiments 1 together.Do not exist together is not have electric heating wire in inner layer sleeve, the pipe joint, by hot melting way inner layer sleeve, pipe joint and metal skeleton reinforced composite plastic pipeline fusion are coupled together, the annular U type joint socket 11 that forms in inner layer sleeve, the pipe joint coats the plastic outer layer of metal skeleton reinforced composite plastic pipeline termination and inner plastic and pipeline end face fully.

Embodiment 4:

Fig. 8, Fig. 9 have provided the utility model embodiment 4 figure.Present embodiment 4 fundamental sum embodiments 1 together.Do not exist together is when inner layer sleeve 1 is connected with metal skeleton reinforced composite plastic pipeline 10 fusions, with endoporus support fixture 12 inner layer sleeve is pressed to inner plastic 9 in the multiple tube 10, the fusion junction surface is exerted pressure, and it is more firm, reliable that the fusion junction surface is connected.The mutually hinged

movable annulus

13 and 15 in two ends is arranged in the endoporus support fixture 10, controlling mechanism 14 is arranged.

Embodiment 5:

Figure 10 has provided the utility model embodiment 5 figure.Present embodiment 5 fundamental sum embodiments 4 together.Do not exist together is to adopt three-way pipeline link 16 and multiple tube 10 to adopt electric heating wire to be connected to form pipe network, when inner layer sleeve 1 is connected with metal skeleton reinforced composite plastic pipeline 10 fusions, with air bag 17 inner layer sleeve is pressed to inner plastic 9 in the multiple tube 10, the fusion junction surface is exerted pressure, and it is more firm, reliable that the fusion junction surface is connected.

Embodiment 6:

Figure 11 has provided the utility model embodiment 6 figure.Present embodiment 6 fundamental sum embodiments 2 together.Not existing together is to have metal in the bipass pipe connecting 5 to strengthen skeleton 18, and pipe joint 5 has a planar end surface, can be connected with other pipe joint end face fusion.

Embodiment 7:

Figure 12 has provided the utility model embodiment 7 figure.Present embodiment 7 is basic same with embodiment 6, do not exist together is to have pipe end flange 19 on pipe joint 5, the groove 20 that seal ring is installed is arranged on the pipe joint 5, and multiple tube and multiple tube connect as one the formation pipe network by the attachment hole on the pipe end flange 19 21.Cancelled the molten Placement of electric heating, easy to connect.

Embodiment 8:

Figure 13 has provided the utility model embodiment 8 figure.Present embodiment 8 methods are that the metal insert 23 that has screw 22 is arranged on pipe joint 5, and multiple tube 10 directly connects as one the formation pipe network with multiple tube 10 by screw 22.The plastic outer layer 8 and the inner plastic 9 of pipe joint 5 and metal skeleton reinforced composite plastic pipeline 10 are non-cross-linking refractory polyethylene, and this pipeline material can be carried high temperature media.

Embodiment 9:

Figure 14 has provided the utility model embodiment 9 figure.Present embodiment 9 fundamental sum embodiments 1 together.Not existing together is inner layer sleeve, pipe joint and before metal skeleton reinforced composite plastic pipeline is connected, and by hot melting way plastic sealing ring 24 and the fusion of metal skeleton reinforced composite plastic pipeline end face is coupled together.Earlier the multiple tube end face is connected sealing with the plastic sealing ring fusion, further improved sealing reliability.

The various embodiments described above are that foregoing of the present utility model is further described, but this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to the foregoing description.All technology that realizes based on foregoing all belong to scope of the present utility model.

Claims

1, metal framework reinforced plastic composite pipe is characterized in that there is the inner layer sleeve of band boss the metal framework reinforced plastic composite pipe end, and excircle is connected with the inner plastic fusion of the metal skeleton reinforced composite plastic pipeline end in hole with holes in the inner layer sleeve.

2, metal framework reinforced plastic composite pipe according to claim 1, it is characterized in that pipe joint is arranged, pipe joint is connected with the plastic outer layer of metal skeleton reinforced composite plastic pipeline end and the boss outer peripheral surface fusion of inner layer sleeve, pipe joint and inner layer sleeve fusion connect as one and form an annular U type joint socket, and the annular U type joint socket is with plastic outer layer and the inner plastic and the complete fusion coating of pipeline end face of metal skeleton reinforced composite plastic pipeline termination.

3, metal framework reinforced plastic composite pipe according to claim 2 is characterized in that being compounded with in the pipe joint metal frame.

4,, it is characterized in that fluted or boss on the end face of pipe joint according to claim 2 or 3 described metal framework reinforced plastic composite pipes.

5, the multiple platform pipe of metal framework reinforced plastic according to claim 1 is characterized in that by hot melting way or the molten mode of electric heating side ring surface in the excircle of inner layer sleeve and the boss being coupled together with the inner plastic and the fusion of pipeline end face of metal skeleton reinforced composite plastic pipeline end respectively.

6, according to claim 2 or 3 described metal framework reinforced plastic composite pipes, before it is characterized in that inner layer sleeve and metal skeleton reinforced composite plastic pipeline being connected, plastic sealing ring and the fusion of metal skeleton reinforced composite plastic pipeline end face are coupled together by hot melting way.

7, according to claim 1 or 2 or 3 described metal framework reinforced plastic composite pipes. when it is characterized in that inner layer sleeve is connected by hot melting way or the molten mode of electric heating with metal skeleton reinforced composite plastic pipeline, inner layer sleeve is clung on the metal skeleton reinforced composite plastic pipeline inner plastic by mechanical type or air bag formula intramedullary expansion utensil.

8,, it is characterized in that on pipe joint, having the plastics composite flange of metal flange or metal-containing skeleton according to claim 2 or 3 described metal framework reinforced plastic composite pipes.

9,, it is characterized in that attachment hole is arranged on the pipe joint according to claim 2 or 3 described metal framework reinforced plastic composite pipes.

10, according to claim 1 or 2 or 3 described metal framework reinforced plastic composite pipes, it is characterized in that it is with the vertical butt joint of metal aperture guipure or overlap joint or spiral butt joint or overlap joint and the tubular metal frame that forms through welding fabrication that metal frame in the metal skeleton reinforced composite plastic pipeline strengthens body, or the tubular metal frame that twines the warp-wise steel wire and its point of contact welding fabrication is formed with the broadwise steel wire, or left-handed and/or right hand helix twines the tubular metal frame that forms with steel wire, or the tubular metal frame that forms with braided steel wire.