CN212004629U

CN212004629U - PP or PE reinforced composite polyvinyl chloride winding pipe

Info

Publication number: CN212004629U
Application number: CN202020441256.7U
Authority: CN
Inventors: 黄炎海
Original assignee: Guangdong Ruilin Pipeline Technology Co ltd
Current assignee: Guangdong Ruilin Pipeline Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-11-24
Anticipated expiration: 2030-03-30

Abstract

The utility model provides a PP or compound polyvinyl chloride winding pipe of PE reinforcing, includes the hollow tube main part of making by polyvinyl chloride and the enhancement layer of making by PE or PP, the hollow tube main part is twined and is formed through the lock of buckle and draw-in groove is fixed by a section bar spiral bending, the section bar includes inner wall, outer wall, is located the cavity between inner wall and the outer wall, is equipped with many dovetails on the outer wall, is equipped with the gusset in the cavity, be equipped with buckle and the draw-in groove of lock each other on inner wall or the outer wall, the enhancement layer includes the bond line and the enhancement layer of making by PE or PP, the enhancement layer parcel is on the surface of hollow tube main part, the bond line sets up between enhancement layer and hollow tube main part. The utility model discloses a dovetail is connected with the enhancement layer, has strengthened the joint strength between enhancement layer and the hollow tube main part, makes the enhancement layer be difficult for coming off from the hollow tube main part. And the reinforced layer is made of PP or PE materials, so that the performance of the winding pipe can be effectively improved.

Description

PP or PE reinforced composite polyvinyl chloride winding pipe

Technical Field

The utility model relates to a tubular product, concretely relates to compound polyvinyl chloride winding pipe of PP or PE reinforcing.

Background

The tubular product is a section bar commonly used in municipal engineering, but because the tubular product has a hollow pipe cavity, the whole volume of the tubular product is larger, and the transportation cost is extremely high. In order to solve the problems, winding pipes formed by winding sectional materials are available on the market, the sectional materials can be coiled for transportation when the winding pipes are not formed, and the sectional materials are wound into hollow pipe main bodies by equipment after arriving at a construction site; meanwhile, in order to enhance the strength of the winding pipe, a reinforcing layer is wrapped on the outer wall of the winding pipe. Due to the limitation of the existing structure, the connection effect between the winding pipe and the reinforcing layer is poor, and the reinforcing layer is easy to fall off on the winding pipe.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a PP or PE reinforced composite polyvinyl chloride winding pipe.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a compound polyvinyl chloride winding pipe of PP or PE reinforcing which characterized in that: include the hollow tube main part of making by polyvinyl chloride and the enhancement layer of making by PE or PP, the hollow tube main part is by the fixed formation of the buckle of a section bar spiral bending winding and through buckle and draw-in groove, the section bar includes inner wall, outer wall, is located the cavity between inner wall and the outer wall, is equipped with the dovetail of many vertical settings on the surface of outer wall, is equipped with the gusset in the cavity, be equipped with buckle and the draw-in groove of lock mutually on inner wall or the outer wall, the enhancement layer includes the bond line and the enhancement layer of making by PE or PP, the enhancement layer parcel is on the surface of hollow tube main part, the bond line sets up between enhancement layer and hollow tube main part and the local filling of melting.

The utility model discloses in, the cavity is a plurality of cavities by the gusset interval, the cross sectional shape of cavity is the quadrangle.

The utility model discloses in, be equipped with the arc surface on the corner position that the cross-sectional shape is tetragonal cavity.

In the present invention, the bottom surface of the dovetail groove is parallel to the top surface of the cavity.

In the present invention, the bottom surface of the dovetail groove is higher than the top surface of the cavity.

The utility model discloses in, the other location arch that is equipped with of buckle, the other location screens that is equipped with and fixes a position protruding complex of draw-in groove.

The utility model discloses in, the section bar is still including being located the first fitting surface by the draw-in groove and being located the second fitting surface between buckle and the section bar, first fitting surface is closely laminated with the second fitting surface when the buckle card is gone into in the draw-in groove.

The utility model has the advantages that: the utility model discloses a dovetail that has stronger bearing capacity is connected with the enhancement layer, has effectively strengthened the joint strength between enhancement layer and the hollow tube main part, makes the enhancement layer be difficult for coming off from the hollow tube main part. The reinforcing plate is connected below the dovetail groove in a supporting mode, so that the stability of the dovetail groove can be improved, the dovetail groove is prevented from being pulled and damaged by the reinforcing layer, and the dovetail groove can be stably used for a long time; and the outer wall and the rib plate simultaneously support and pull the dovetail groove, so that the use stability of the dovetail groove is further ensured, and the connection quality of the dovetail groove connecting and fixing the reinforcing layer is ensured. And the reinforcing layer is made of PP or PE materials, so that the reinforcing layer can resist corrosion of most of acid and alkali and is insoluble in common solvents, and the reinforcing layer has the advantages of small water absorption and excellent electrical insulation, and can effectively improve the performance of the winding pipe.

Drawings

The invention will be further explained with reference to the drawings and the embodiments below:

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic view of the structure A-A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of a profile;

FIG. 4 is a partial schematic view of a hollow tube body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

Referring to fig. 1-4, a PP or PE reinforced composite polyvinyl chloride winding pipe comprises a hollow pipe main body 1 made of polyvinyl chloride and a reinforcing layer 2 made of PE or PP, wherein the hollow pipe main body 1 is formed by spirally bending and winding a section bar and fixing the section bar through a buckle 7 and a clamping groove 8, the section bar is made of high-performance polyvinyl chloride/hard polyvinyl chloride, and the section bar comprises an inner wall 3, an outer wall 4 and a cavity positioned between the inner wall 3 and the outer wall 4. Furthermore, a plurality of dovetail grooves 5 which are longitudinally arranged are arranged on the outer surface of the outer wall 4, rib plates 6 which correspond to the positions of the dovetail grooves 5 are arranged in the cavity, the dovetail grooves 5 have strong bearing capacity and are not easy to fall off when being connected with other components, and the rib plates 6 are supported and connected under the dovetail grooves 5, so that the stability of the dovetail grooves 5 can be improved, and the dovetail grooves 5 are prevented from being pulled and damaged by other components. Furthermore, the section bar is provided with a buckle 7 and a clamping groove 8 which can be mutually buckled, the buckle 7 and the clamping groove 8 are positioned on the inner wall 3 and exposed outside from the outer wall 4, and the buckle 7 and the clamping groove 8 can also be positioned on the outer wall 4 and wrapped inside by the outer wall 4; the section bar is spirally bent and wound and is buckled into a hollow tube main body 1 through a buckle 7 and a clamping groove 8. Furthermore, the reinforcing layer 2 comprises an adhesive layer 9 and a reinforcing layer 10 made of PE or PP, the reinforcing layer 10 is wrapped on the outer surface of the hollow tube body 1, the adhesive layer 9 is arranged between the reinforcing layer 10 and the hollow tube body 1 and is partially fused and filled in the dovetail groove 5, so that the reinforcing layer 2 is firmly fixed on the hollow tube body 1.

In the structure, the bonding layer 9 is a hot melt adhesive layer, the reinforcing layer 10 is bonded on the outer surface of the hollow tube main body 1 through the hot melt adhesive layer, and meanwhile, the hot melt adhesive layer is fused and filled in the dovetail groove 5, so that the fixing effect of the reinforcing layer 2 is improved. The reinforcing layer 10 is a fiber film made of PE or PP fibers, the fiber film is wrapped and wound on the outer surface of the hollow tube main body 1, the hot melt adhesive layer is melted to enter the dovetail groove 5, and after solidification, the hot melt adhesive layer is clamped in the dovetail groove 5, so that the reinforcing layer 2 is fixedly connected with the hollow tube main body 1.

In the embodiment, in order to ensure the strength of the section bar during bending deformation, the cavity is partitioned into a plurality of cavities 11 by rib plates 6, and the cross section of each cavity 11 is quadrilateral, so that the section bar is light in weight, the weight of the section bar is reduced, the section bar is convenient to transport and use, and the structural strength of the section bar is also ensured. And arc surface 12 is arranged at the corner position of chamber 11 with quadrangular cross section so as to ensure the deformation strength of the corner position and avoid the phenomenon that the connection position of rib plate 6, inner wall 3 and outer wall 4 is pulled and broken when the section bar is spirally bent to form hollow tube main body 1.

In this embodiment, the bottom surface of the dovetail groove 5 and the top surface of the cavity 11 are parallel to each other, and the top surface of the cavity 11 is the bottom surface of the outer wall 4; and the bottom surface of the dovetail groove 5 is higher than the top surface of the cavity 11, so that the outer wall 4 and the rib plate 6 simultaneously support and pull the dovetail groove 5, the use stability of the dovetail groove 5 is ensured, and the connection quality of the dovetail groove 5 in connection with the fixed reinforcing layer 2 is ensured.

In this embodiment, a positioning protrusion 13 is arranged beside the buckle 7, a positioning clip matched with the positioning protrusion 13 is arranged beside the slot 8, when the buckle 7 is clipped into the slot 8, the positioning protrusion 13 and the positioning clip are matched to reduce the gap after the section bar forms the hollow tube main body 1, and meanwhile, the matching strength of the buckle 7 and the slot 8 is enhanced; further, the section bar still includes first fitting surface 14 that is located by draw-in groove 8 and is located the second fitting surface 15 between buckle 7 and the section bar, first fitting surface 14 closely laminates with second fitting surface 15 when buckle 7 card is gone into draw-in groove 8 to reduce the clearance behind the section bar formation hollow tube main part 1, and then improve the winding pipe performance.

The above description is only the preferred embodiment of the present invention, and the technical solutions of the objects of the present invention are all within the protection scope of the present invention as long as the objects are achieved by the substantially same means.

Claims

1. The utility model provides a compound polyvinyl chloride winding pipe of PP or PE reinforcing which characterized in that: comprises a hollow tube main body (1) made of polyvinyl chloride and a reinforcing layer (2) made of PE or PP, the hollow tube main body (1) is formed by spirally bending and winding a section and fastening and fixing the section through a buckle (7) and a clamping groove (8), the section comprises an inner wall (3), an outer wall (4) and a cavity between the inner wall (3) and the outer wall (4), wherein a plurality of dovetail grooves (5) which are longitudinally arranged are arranged on the outer surface of the outer wall (4), rib plates (6) are arranged in the cavity, the inner wall (3) or the outer wall (4) is provided with a buckle (7) and a clamping groove (8) which can be mutually buckled, the reinforcement layer (2) comprises an adhesive layer (9) and a reinforcement layer (10) made of PE or PP, the reinforced layer (10) is wrapped on the outer surface of the hollow tube main body (1), the bonding layer (9) is arranged between the reinforcing layer (10) and the hollow tube main body (1) and is partially fused and filled in the dovetail groove (5).

2. The PP or PE reinforced composite polyvinyl chloride winding pipe according to claim 1, wherein: the cavity is divided into a plurality of cavities (11) by rib plates (6), and the cross section of each cavity (11) is quadrilateral.

3. The PP or PE reinforced composite polyvinyl chloride winding pipe according to claim 2, wherein: the corner position of the chamber (11) with the quadrangular cross section is provided with an arc surface (12).

4. The PP or PE reinforced composite polyvinyl chloride winding pipe according to claim 1, wherein: the bottom surface of the dovetail groove (5) is parallel to the top surface of the cavity (11).

5. The PP or PE reinforced composite polyvinyl chloride winding pipe according to claim 4, wherein: the bottom surface of the dovetail groove (5) is higher than the top surface of the cavity (11).

6. The PP or PE reinforced composite polyvinyl chloride winding pipe according to claim 1, wherein: the other location arch (13) that is equipped with of buckle (7), draw-in groove (8) are other to be equipped with location arch (13) complex location screens.

7. The PP or PE reinforced composite polyvinyl chloride winding pipe according to claim 1, wherein: the section bar further comprises a first matching surface (14) located beside the clamping groove (8) and a second matching surface (15) located between the buckle (7) and the section bar, and the first matching surface (14) is tightly attached to the second matching surface (15) when the buckle (7) is clamped into the clamping groove (8).