CN212107285U

CN212107285U - Corrugated pipe not easy to deform

Info

Publication number: CN212107285U
Application number: CN201922002323.5U
Authority: CN
Inventors: 沈立
Original assignee: Zhejiang Dacheng Pipe Industry Intelligent Manufacturing Co Ltd
Current assignee: Zhejiang Dacheng Pipe Industry Intelligent Manufacturing Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-12-08
Anticipated expiration: 2029-11-19

Abstract

A corrugated pipe not easy to deform belongs to the technical field of corrugated pipes. The corrugated pipe is composed of an inner wall layer, a steel wire mesh framework composite pipe, a carbon fiber cloth material layer and an outer wall layer in a composite mode, wherein a plurality of axially distributed grooves are formed in the inner side of the outer wall layer, the top of a spiral elastic supporting frame is in elastic top contact fit with the bottom of each groove, the bottom of the spiral elastic supporting frame penetrates through the carbon fiber cloth material layer to be fixedly connected with the steel wire mesh framework composite pipe, a valley section and double peaks on the outer diameter of the outer wall layer are arranged at intervals to form a double-peak corrugated pipe, and the double peaks are composed of two single. The corrugated pipe not easy to deform improves the strength and the ring stiffness of the pipe, so that the pipe is not easy to deform and the safety of the pipe is improved; the tail end and the head end of the corrugated pipe are not easy to sink after being connected with each other, the water flow speed is high, and the sewage discharge efficiency is improved; the arrangement of the carbon fiber cloth material layer improves the bearing capacity, the shearing resistance and the strength of the corrugated pipe.

Description

Corrugated pipe not easy to deform

Technical Field

The utility model belongs to the technical field of the bellows, specifically be a non-deformable's bellows.

Background

The corrugated pipe mainly comprises a metal corrugated pipe and a plastic corrugated pipe. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The plastic corrugated pipe has irreplaceable functions in the fields of medium transmission, electric power threading, machine tools, household appliances and the like. However, the metal corrugated pipe has the defects of heavy weight, high manufacturing cost and the like, and the common plastic corrugated pipe has the defects of small pressure resistance, easy deformation and the like.

The high-density polyethylene corrugated pipe has excellent performance and relatively economic manufacturing cost, has been widely popularized and applied in developed countries such as Europe and America and the like, is an ideal substitute for the traditional drainage and pollution discharge pipeline, and the HDPE double-wall corrugated pipe produced by using the high-density polyethylene corrugated pipe as a raw material belongs to a flexible pipe, but also has the problems of small axial flexibility, insufficient external pressure resistance, easy deformation and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to design and provide a technical scheme of a corrugated pipe not easy to deform, wherein a spiral elastic support frame radially plays a supporting role, axially relieves pressure, improves the strength and the ring rigidity of the pipe, ensures that the pipe is not easy to deform, and improves the safety of the pipe; the tail end and the head end of the corrugated pipe are not easy to sink after being connected with each other, the water flow speed is high, and the sewage discharge efficiency is improved; the arrangement of the carbon fiber cloth material layer improves the bearing capacity, the shearing resistance and the strength of the corrugated pipe.

A non-deformable's bellows, its characterized in that comprises interior wall layer, the compound pipe of wire net skeleton, the carbon cloth material layer, the outer wall layer is compound, the outer wall layer inboard sets up a plurality of axially distributed's recess, spiral elastic support frame top touches the cooperation with recess bottom elasticity top, carbon cloth material layer and the compound pipe fixed connection of wire net skeleton are passed to spiral elastic support frame bottom, the interval setting of wave trough section and the dual peak on the outer wall layer external diameter forms bimodal bellows, the dual peak is hugged closely the single peak that sets up by two and is constituteed.

The corrugated pipe not prone to deformation comprises a head end and a tail end of a double-peak corrugated pipe, wherein the head end and the tail end of the double-peak corrugated pipe are respectively provided with a splicing straight port and a splicing small port, the splicing straight port diameter of the double-peak corrugated pipe is larger than the splicing small-port diameter, the corrugated pipes are mutually spliced and matched through the splicing straight port and the splicing small port, and the axial widths of the double wave crests at the head end and the double wave crests at the tail end of an outer wall layer are larger than the axial width.

The corrugated pipe not easy to deform comprises a reinforcing rib spirally arranged on the inner wall of the inner wall layer, and the section of the reinforcing rib is of an oval or semicircular structure.

The corrugated pipe not easy to deform comprises a single wave crest, and is characterized in that the single wave crest is formed by concave-convex scarf joint and matching of an elastic outer wall ring and an elastic inner wall ring.

The corrugated pipe not easy to deform comprises a steel wire mesh framework composite pipe layer which is formed by compounding high-density polyethylene and a steel wire mesh framework.

The corrugated pipe not easy to deform comprises a plurality of cavities arranged on the pipe wall of the outer wall layer.

The corrugated pipe not easy to deform comprises a group of triangular grooves on the inner side of the elastic outer wall ring, a group of triangular protrusions are correspondingly arranged on the outer side of the elastic inner wall ring, and the elastic outer wall ring and the elastic inner wall ring are in concave-convex embedding fit through the triangular grooves and the triangular protrusions.

According to the corrugated pipe not easy to deform, the spiral elastic support frame radially plays a supporting role, pressure is axially relieved, the strength and the ring stiffness of the pipe are improved, the pipe is not easy to deform, and the safety of the pipe is improved; the tail end and the head end of the corrugated pipe are not easy to sink after being connected with each other, the water flow speed is high, and the sewage discharge efficiency is improved; the arrangement of the carbon fiber cloth material layer improves the bearing capacity, the shearing resistance and the strength of the corrugated pipe.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the first section of the present invention;

FIG. 3 is a schematic structural view of the end section of the present invention;

fig. 4 is a schematic view of a partial structure of the inner wall layer of the present invention;

fig. 5 is a schematic view of a partial structure of the steel wire mesh framework composite pipe of the present invention;

fig. 6 is a schematic cross-sectional structure view of the outer wall layer of the present invention;

fig. 7 is a schematic material structure diagram of the carbon fiber cloth material layer of the present invention;

FIG. 8 is an enlarged view of the portion A of FIG. 2 according to the present invention;

in the figure: 1-straight insertion opening, 2-double wave crest, 201-single wave crest, 201 a-elastic outer wall ring, 201 b-elastic inner wall ring, 201a-1 triangular groove, 201b-1 triangular bulge, 3-outer wall layer, 301-cavity, 4-reinforcing rib, 5-inner wall layer, 6-small insertion opening, 7-carbon fiber cloth material layer, 8-steel wire mesh framework composite pipe, 801-high density polyethylene, 802-steel wire mesh framework, 9-wave valley section, 10-spiral elastic support frame and 11-groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in the figure, this non-deformable's bellows, by interior wall layer 5, the compound pipe of wire mesh skeleton 8, carbon cloth material layer 7, the compound constitution of outer wall layer 3, outer wall layer 3 inboard sets up a plurality of axially distributed's recess 11, spiral elasticity support frame 10 top and the cooperation of 11 bottom elasticity tops of recess, carbon cloth material layer 7 and the compound pipe of wire mesh skeleton 8 fixed connection are passed to spiral elasticity support frame 10 bottom, the interval of 2 intervals of valley section 9 and the two crests on the 5 external diameters of outer wall layer sets up and forms the bimodal bellows, two crests 2 are hugged closely the single crest 201 that sets up by two and are constituteed. The spiral elastic support frame 10 plays a role in supporting in the radial direction, pressure is relieved in the axial direction, the strength and the ring stiffness of the pipe are improved, the pipe is not easy to deform, and the safety of the pipe is improved; the arrangement of the spiral elastic support frame enables the corrugated pipe with a certain length to be slightly bent in the axial direction, is not influenced by uneven settlement on the ground, and can be directly paved in a slightly non-straight groove.

The carbon fiber cloth material layer 7 of the utility model is made of high-quality Japanese imported carbon fiber cloth material, has good tensile strength, the tensile strength is more than 3400Mpa, the bearing capacity and the shearing resistance of the corrugated pipe are improved, and the vertical load of the corrugated pipe is improved; the corrugated pipe is light in weight, can reduce the using amount of a steel wire mesh framework, reduces the self weight of the corrugated pipe structure, has the advantages of corrosion resistance, good earthquake resistance and long service life, and is suitable for severe environments. The carbon fiber cloth material layer 7 is coated on the surface of the steel wire mesh framework composite pipe 8 by adopting the existing glue dipping process.

Further, the head end and the end of the bimodal corrugated pipe are respectively a splicing straight port 1 and a splicing small port 6, the pipe diameter of the splicing straight port 1 of the bimodal corrugated pipe is larger than the pipe diameter of the splicing small port 6, the corrugated pipes are mutually spliced and matched through the splicing straight port 1 and the splicing small port 6, and the axial widths of the head end double wave crest 2 and the tail end double wave crest 2 of the outer wall layer 3 are both larger than the axial width of the splicing straight port 1 of the corrugated pipe. The utility model discloses a this structure can prevent its end and the invagination of head end behind the bellows interconnect. The pipe diameter of the straight plugging port 1 of the double-peak corrugated pipe is larger than that of the small plugging port 6, a pressure difference is formed between the straight plugging port and the small plugging port, water flow is changed into high-speed water flow to pass through by utilizing the water pressure difference, the flow speed is improved, and the sewage discharge efficiency is improved.

Furthermore, the inner wall of the inner wall layer 5 is spirally provided with the reinforcing ribs 4, the cross sections of the reinforcing ribs 4 are in an elliptical or semicircular structure, and the strength of the inner wall layer 5 can be enhanced by the reinforcing ribs 4, so that the reinforcing ribs are not easy to deform.

Further, the single peak 201 is formed by engaging and fitting an elastic outer wall ring 201a and an elastic inner wall ring 201b in a concave-convex manner. Specifically, a group of triangular grooves 201a-1 are formed in the inner side of the elastic outer wall ring 201a, a group of triangular protrusions 201b-1 are correspondingly formed in the outer side of the elastic inner wall ring 201b, and the elastic outer wall ring 201a and the elastic inner wall ring 201b are in concave-convex embedding fit through the triangular grooves 201a-1 and the triangular protrusions 201 b-1.

The utility model discloses a double-deck design of the unsmooth scarf joint of elasticity outer wall ring 201a, elasticity inner wall ring 201b can make near the stress concentration dispersion that produces of two-layer contact surface, strengthens the tensile strength of single crest 201, has alleviateed the load of soil load to outer wall layer 3.

Further, the steel wire mesh framework composite pipe layer 8 is formed by compounding high-density polyethylene 801 and a steel wire mesh framework 802; because the utility model discloses carbon cloth material layer 7 has still been used simultaneously, so the quantity of wire mesh skeleton 802 can reduce relatively, alleviates the weight of bellows.

Further, the plurality of cavities 301 are formed in the wall of the outer wall layer 3, so that the self weight of the corrugated pipe can be reduced under the condition that the strength is ensured.

The above technical solutions describe the present invention in detail, but do not limit the scope of the present invention. It should be understood that any obvious alterations or substitutions to the present invention by those skilled in the art based on the teachings of the present invention should also be considered as the scope of the present invention.

Claims

1. The utility model provides a non-deformable's bellows, its characterized in that is by inner wall layer (5), the compound pipe of wire net skeleton (8), carbon fiber cloth material layer (7), outer wall layer (3) complex constitutes, outer wall layer (3) inboard sets up recess (11) of a plurality of axial distributions, spiral elasticity support frame (10) top and recess (11) bottom elasticity top touch cooperation, carbon fiber cloth material layer (7) and the compound pipe of wire net skeleton (8) fixed connection are passed to spiral elasticity support frame (10) bottom, interval setting forms the double peak bellows in valley section (9) and double peak (2) on outer wall layer (3) external diameter, double peak (2) are hugged closely single peak (201) of setting by two and are constituteed.

2. The corrugated pipe with low deformation tendency as claimed in claim 1, wherein the first end and the last end of the bimodal corrugated pipe are respectively a straight plugging port (1) and a small plugging port (6), the pipe diameter of the straight plugging port (1) of the bimodal corrugated pipe is larger than that of the small plugging port (6), the corrugated pipes are in plugging fit with each other through the straight plugging port (1) and the small plugging port (6), and the axial widths of the first end double wave crest (2) and the last end double wave crest (2) of the outer wall layer (3) are both larger than the axial width of the straight plugging port (1) of the corrugated pipe.

3. A corrugated tube with low probability of deformation as claimed in claim 1, characterized in that the inner wall of the inner wall layer (5) is spirally provided with the reinforcing ribs (4), and the cross section of the reinforcing ribs (4) is an oval or semicircular structure.

4. A corrugated tube with low tendency to deform as claimed in claim 1, wherein the single wave crest (201) is formed by engaging and engaging an elastic outer wall ring (201 a) and an elastic inner wall ring (201 b).

5. A corrugated pipe with low deformation tendency as claimed in claim 1, wherein the steel wire mesh framework composite pipe (8) is formed by compounding high density polyethylene (801) and steel wire mesh framework (802).

6. A corrugated tube with low tendency to deform as claimed in claim 1, wherein the outer wall layer (3) has a plurality of cavities (301) formed in the wall.

7. The corrugated pipe with low deformation tendency as claimed in claim 2, wherein the inner side of the elastic outer wall ring (201 a) is provided with a set of triangular grooves (201 a-1), the outer side of the elastic inner wall ring (201 b) is correspondingly provided with a set of triangular protrusions (201 b-1), and the elastic outer wall ring (201 a) and the elastic inner wall ring (201 b) are engaged with each other through the triangular grooves (201 a-1) and the triangular protrusions (201 b-1).