CN215763728U

CN215763728U - Adhesive type skeleton composite pipe

Info

Publication number: CN215763728U
Application number: CN202121652231.2U
Authority: CN
Inventors: 王跃胜; 韩会芹; 沈亮
Original assignee: HEBEI BAOSHI SPECIAL FLEXIBLE RUBBER CHEMICAL INDUSTRY CO LTD
Current assignee: HEBEI BAOSHI SPECIAL FLEXIBLE RUBBER CHEMICAL INDUSTRY CO LTD
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-08
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a bonding type framework composite pipe, which comprises a composite pipe outer cylinder, wherein a waterproof layer is bonded inside the composite pipe outer cylinder through hot melt adhesive, one side of the waterproof layer, which is far away from the outer cylinder of the composite pipe, is connected with a first pressure reducing layer through hot melt adhesive, one side of the first pressure reducing layer, which is far away from the waterproof layer, is connected with a first framework layer through hot melt adhesive, one side of the first framework layer, which is far away from the first decompression layer, is connected with a second framework layer through hot melt adhesive, one side of the second framework layer, which is far away from the first framework layer, is connected with a second decompression layer through hot melt adhesive, one side of the second pressure reducing layer far away from the second framework layer is connected with an inner cylinder through hot melt adhesive, pressure reducing strips are fixedly arranged in the first pressure reducing layer and the second pressure reducing layer, the pressure reducing strip is of a sectional type, the pressure reducing strip is of an S shape, and the first pressure reducing layer, the second pressure reducing layer and the pressure reducing strip are all made of rubber materials. The first framework layer and the second framework layer are used for increasing the bearing capacity and flexibility of fixation.

Description

Adhesive type skeleton composite pipe

Technical Field

The utility model relates to the technical field of material conveying, in particular to a bonded framework composite pipe.

Background

The steel wire net skeleton plastic composite pipe is an improved novel steel skeleton plastic composite pipe. The novel pipeline is made of high-strength plastic-coated steel wire mesh framework and thermoplastic plastic polyethylene as raw materials, the steel wire winding mesh is used as a framework reinforcement of the polyethylene plastic pipe, high-density polyethylene (HDPE) is used as a matrix, and the steel wire framework is tightly connected with inner and outer layers of high-density polyethylene by adopting high-performance HDPE modified bonding resin, so that the novel pipeline has an excellent composite effect. Because the high strength steel wire reinforcement is encased in the continuous thermoplastic, the composite pipe overcomes the disadvantages of, and maintains the advantages of, steel and plastic pipes, respectively. The steel wire mesh framework plastic composite pipe adopts high-quality materials and advanced production technology, so that the pipe has higher pressure resistance. Meanwhile, the composite pipe has excellent flexibility and is suitable for long-distance buried water and gas supply pipeline systems. The polyethylene electric melting pipe fitting is adopted as the pipe fitting of the steel wire mesh framework polyethylene composite pipe. When in connection, the heating body in the pipe fitting is utilized to melt the outer layer plastic of the pipe fitting and the inner layer plastic of the pipe fitting, so that the pipe fitting and the pipe fitting are reliably connected together.

However, the existing composite pipe can bear larger pressure, but because the skeleton is mostly of a steel wire mesh sheet structure, the borne pressure is limited, so that the pipeline is damaged, and the like, and potential safety hazards are increased for pipeline construction personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bonding type framework composite pipe to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compound pipe of bonding formula skeleton, includes compound tub urceolus, it has the waterproof layer even to pass through hot melt adhesive inside the compound tub urceolus, one side that compound tub urceolus was kept away from to the waterproof layer even has first decompression layer through hot melt adhesive, one side that the waterproof layer was kept away from to first decompression layer even has first casing ply through hot melt adhesive, one side that first decompression layer was kept away from to first casing ply even has second casing ply through hot melt adhesive, one side that first casing ply was kept away from to second casing ply even has second decompression layer through hot melt adhesive, one side that second casing ply was kept away from to second decompression layer even has the inner tube through hot melt adhesive, first decompression layer and the inside all fixed decompression strip that is provided with of second decompression layer.

Preferably, the pressure reducing strip is of a sectional type, the pressure reducing strip is of an S shape, and the first pressure reducing layer, the second pressure reducing layer and the pressure reducing strip are all made of rubber materials.

Preferably, the outer cylinder and the inner cylinder of the composite pipe are both made of polyethylene, the waterproof layer is a polyurethane layer, the surfaces of the adhesion parts of the inner cylinder, the second pressure reducing layer and the second framework layer are both concave-convex surfaces, the surfaces of the adhesion parts of the second framework layer, the first framework layer and the first pressure reducing layer are both concave-convex surfaces, and the surfaces of the adhesion parts of the first pressure reducing layer, the waterproof layer and the outer cylinder of the composite pipe are both concave-convex surfaces.

Preferably, the second framework layer is honeycomb-shaped, and polyethylene layers are adhered to two sides of the second framework layer and two sides of the first framework layer through hot melt adhesives.

Preferably, the outer surface of the outer barrel of the composite tube is fixedly provided with scales, the outer part of the outer barrel of the composite tube is fixedly provided with a transparent wear-resistant layer, and the scales are arranged inside the transparent wear-resistant layer.

Preferably, the outer cylinder outside surface activity of composite tube is provided with first annular cover and second annular cover, the kneck of first annular cover and second annular cover is all fixed and is provided with fastening component, first recess has all been seted up at the both ends of first annular cover, the first recess both sides of first annular cover are all fixed and are provided with reset spring, the both ends of second annular cover are all fixed and are provided with the lug, the second recess has all been seted up to the lug both sides of second annular cover, first annular cover and second annular cover are the electric heat pipe fitting that melts.

Compared with the prior art, the utility model has the beneficial effects that:

1. the pipeline is protected from being damaged due to stress through the double protection of the first pressure reducing layer and the second pressure reducing layer, the reserved space in the first pressure reducing layer and the second pressure reducing layer is deformed in the reserved space to reduce pressure when being extruded, so that the damage of the pipeline is protected, the flexibility of the pipeline is increased, the pressure degree of the pipeline is improved due to the arrangement of the first framework layer and the second framework layer, and the stability, firmness and space utilization of the pipeline are improved due to the honeycomb shape of the second framework layer;

2. the pipeline joint is also provided with a first annular sleeve and a second annular sleeve which are very convenient to connect and weld together, a convex block of the first annular sleeve is inserted into a groove in the second annular sleeve and then welded by an electric hot melt welding machine, and the contact area of concave and convex surfaces on the external surfaces of the waterproof layer, the first pressure reducing layer, the first framework layer, the second framework layer and the like is increased, so that the pipeline adhesion is firmer.

Drawings

FIG. 1 is a perspective view of a bonded-type skeletal composite pipe of the present invention;

FIG. 2 is a side sectional view of a bonded-type skeletal composite pipe of the present invention;

FIG. 3 is a top cross-sectional view of a bonded-type skeletal composite pipe of the present invention;

FIG. 4 is a cross-sectional view of a fastening member of a ring sleeve of a bonded type skeleton composite pipe according to the present invention.

In the figure: 1. an outer composite tube barrel; 2. calibration; 3. a first annular sleeve; 4. a first pressure reduction layer; 5. a second annular sleeve; 6. a fastening member; 7. an inner barrel; 8. a waterproof layer; 9. a first carcass layer; 10. reducing the pressure strip; 11. a second pressure reduction layer; 12. a second carcass layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a compound pipe of bonding formula skeleton, includes compound tub urceolus 1, it has waterproof layer 8 to link through hot melt adhesive in 1 inside of compound tub urceolus, one side that waterproof layer 8 kept away from compound tub urceolus 1 has first decompression layer 4 through hot melt adhesive even, one side that waterproof layer 8 was kept away from to first decompression layer 4 has first casing ply 9 through hot melt adhesive even, one side that first casing ply 4 was kept away from to first casing ply 9 has second casing ply 12 through hot melt adhesive even, one side that first casing ply 9 was kept away from to second casing ply 12 has second decompression layer 11 through hot melt adhesive even, one side that second casing ply 12 was kept away from to second decompression layer 11 has inner tube 7 through hot melt adhesive even, first decompression layer 4 and the inside decompression strip 10 that subtracts that all fixes of second decompression layer 11.

The pressure reducing strip 10 is of a sectional type, the pressure reducing strip 10 is of an S shape, and the first pressure reducing layer 4, the second pressure reducing layer 11 and the pressure reducing strip 10 are made of rubber materials, so that a pressure reducing effect is better achieved.

The composite pipe outer barrel 1 and the inner barrel 7 are made of polyethylene materials, the waterproof layer 8 is a polyurethane layer, the surfaces of the adhesion positions of the inner barrel 7, the second pressure reducing layer 11 and the second framework layer 12 are both concave-convex surfaces, the surfaces of the adhesion positions of the second framework layer 12, the first framework layer 9 and the first pressure reducing layer 4 are both concave-convex surfaces, the surfaces of the adhesion positions of the first pressure reducing layer 4, the waterproof layer 8 and the composite pipe outer barrel 1 are both concave-convex surfaces, and the contact surface is increased to achieve better adhesion.

The second framework layer 12 is honeycomb-shaped, and polyethylene layers are bonded to the two sides of the second framework layer 12 and the two sides of the first framework layer 9 through hot melt adhesives, so that the firmness and flexibility of the pipeline are improved.

The fixed scale 2 that is provided with of 1 external surface of compound tub urceolus, 1 external fixation of compound tub urceolus is provided with transparent wearing layer, scale 2 plays the guard action and conveniently measures required distance in the construction in transparent wearing layer pipeline transportation in the inside of transparent wearing layer.

The utility model discloses a compound 1 outside surperficial activity of tub urceolus is provided with first annular cover 3 and second annular cover 5, the kneck of first annular cover 3 and second annular cover 5 is all fixed and is provided with fastening member 6, first recess has all been seted up at the both ends of first annular cover 3, the first recess both sides of first annular cover 3 are all fixed and are provided with reset spring, the both ends of second annular cover 5 are all fixed and are provided with the lug, the second recess has all been seted up to the lug both sides of second annular cover 5, first annular cover 3 and second annular cover 5 are the electric heat pipe fitting that melts, and the convenience is welded two pipelines and need not be with the help of appurtenance such as hammer in order to avoid the accidental injury in the construction.

The working principle is as follows: when the outer barrel 1 of the composite pipe is extruded by external force, the pressure reducing strips 10 deform in the reserved space to relieve external pressure through the reserved space in the first pressure reducing layer 4 and the second pressure reducing layer 11 so as to protect the pipeline from being damaged, when liquid or gas is conveyed in the pipeline, the flow is large, the internal pressure is slowed down under the matching of the spaces reserved in the first pressure reducing layer 4 and the second pressure reducing layer 11 and the pressure reducing strips 10, most frameworks are in a steel wire mesh sheet structure, the borne pressure is limited, so that the pipeline is damaged, the pressure, the firmness and the flexibility borne by the pipeline are increased under the matching of the first framework layer 9 and the second framework layer 12, and the pipeline is protected, when a pipeline is welded, the two pipelines can be very conveniently and fixedly welded through the first annular sleeve 3 and the second annular sleeve 5, and auxiliary tools such as hammers do not need to be used to avoid accidental injury.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents. The utility model is not limited by the technical scheme, and similar to the scheme, the utility model is also within the protection range.

Claims

1. The utility model provides a compound pipe of bonding formula skeleton, includes compound tub of urceolus (1), its characterized in that: the composite pipe outer barrel is characterized in that a waterproof layer (8) is connected to the inside of the composite pipe outer barrel (1) through hot melt adhesive, one side, away from the composite pipe outer barrel (1), of the waterproof layer (8) is connected with a first pressure reducing layer (4) through hot melt adhesive, one side, away from the waterproof layer (8), of the first pressure reducing layer (4) is connected with a first framework layer (9) through hot melt adhesive, one side, away from the first pressure reducing layer (4), of the first framework layer (9) is connected with a second framework layer (12) through hot melt adhesive, one side, away from the second framework layer (12), of the second pressure reducing layer (11) is connected with an inner barrel (7) through hot melt adhesive, and the first pressure reducing layer (4) and the second pressure reducing layer (11) are fixedly provided with pressure reducing strips (10).

2. The bonded-type skeletal composite pipe of claim 1, wherein: the pressure reducing strip (10) is of a sectional type, the pressure reducing strip (10) is of an S shape, and the first pressure reducing layer (4), the second pressure reducing layer (11) and the pressure reducing strip (10) are made of rubber materials.

3. The bonded-type skeletal composite pipe of claim 1, wherein: the composite pipe outer barrel (1) and the inner barrel (7) are made of polyethylene materials, the waterproof layer (8) is a polyurethane layer, the surfaces of the adhesion positions of the inner barrel (7), the second pressure reducing layer (11) and the second framework layer (12) are both concave-convex surfaces, the surfaces of the adhesion positions of the second framework layer (12), the first framework layer (9) and the first pressure reducing layer (4) are both concave-convex surfaces, and the surfaces of the adhesion positions of the first pressure reducing layer (4), the waterproof layer (8) and the composite pipe outer barrel (1) are both concave-convex surfaces.

4. The bonded-type skeletal composite pipe of claim 1, wherein: the second framework layer (12) is honeycomb-shaped, and polyethylene layers are adhered to the two sides of the second framework layer (12) and the two sides of the first framework layer (9) through hot melt adhesives.

5. The bonded-type skeletal composite pipe of claim 1, wherein: the composite pipe outer barrel is characterized in that scales (2) are fixedly arranged on the outer surface of the composite pipe outer barrel (1), a transparent wear-resistant layer is fixedly arranged on the outer portion of the composite pipe outer barrel (1), and the scales (2) are arranged inside the transparent wear-resistant layer.

6. The bonded-type skeletal composite pipe of claim 1, wherein: the composite pipe outer barrel (1) is provided with a first annular sleeve (3) and a second annular sleeve (5) in an outer surface activity mode, a fastening part (6) is fixedly arranged at a joint of the first annular sleeve (3) and the second annular sleeve (5), first grooves are formed in two ends of the first annular sleeve (3), reset springs are fixedly arranged on two sides of each first groove of the first annular sleeve (3), protruding blocks are fixedly arranged at two ends of the second annular sleeve (5), second grooves are formed in two sides of each protruding block of the second annular sleeve (5), and the first annular sleeve (3) and the second annular sleeve (5) are electric hot melting pipe fittings.