CN216479373U - Enhancement mode high load cavity wall winding pipe - Google Patents

Abstract

The utility model discloses a well cavity wall winding pipe aims at providing a cavity wall winding pipe in enhancement mode high load, and its technical scheme main points are cavity wall winding pipe in enhancement mode high load, including outer tube and inner tube, still include: a plurality of annular bulges are fixedly arranged between the outer pipe and the inner pipe at equal intervals; the elastic frames are arranged between every two adjacent annular bulges; the buffer layer is fixedly arranged on the inner wall of the inner pipe; the corrosion-resistant layer is fixedly arranged on the inner wall of the buffer layer; through setting up the buffer layer on the inner wall of inner tube, when reducing the drainage, rivers avoid causing the damage to the inner tube to the impact force of inner tube, increase of service life, through brush the corrosion resistant layer on the inner wall of buffer layer simultaneously, improves inner tube inner wall's corrosion resisting property, increase of service life, the utility model is suitable for a well cavity wall winding pipe technical field.

Description

Enhancement mode high load cavity wall winding pipe

Technical Field

The utility model belongs to the technical field of well cavity wall winding pipe, refer in particular to a cavity wall winding pipe in enhancement mode high load.

Background

The hollow wall winding pipe is used as a common drainage pipeline, so the hollow wall winding pipe is widely applied to municipal drainage, building outdoor drainage, buried farmland water delivery and drainage, industrial pollution discharge, road drainage, sewage treatment plants and the like, and has important significance for saving energy, reducing pollution and protecting environment because the hollow wall winding pipe belongs to chemical building materials.

For example, chinese patent application No. (CN202120363070.9) discloses a HDPE hollow wall plastic steel wound pipe, which comprises an outer pipe and an inner pipe, wherein double rings are equally arranged in an interlayer formed between the outer pipe and the inner pipe, and both ends of the double rings are integrally formed to the side walls of the outer pipe and the inner pipe; an omega-shaped steel framework is embedded in an interlayer formed by the outer pipe and the inner pipe in the double rings, a large V-shaped angle at the position of the omega-shaped steel framework is abutted to the inner wall of the outer pipe, and a small V-shaped angle at the position of the omega-shaped steel framework is symmetrically abutted to the outer wall at the position of the inner pipe; omega shaped steel skeleton department extends end joint to dicyclo corner, and this application receives the atress back that comes from the outside to the outer tube, can reduce the impact injury to and improve the rebound effect of outer tube after the atress, avoid resulting in local stress coefficient to reduce, in use, cavity wall winding pipe is when the drainage, and inside receives the erosion and the impact of sewage easily, has influenced the life of cavity wall winding pipe greatly, consequently need improve it.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide an improve the corrosion resistance of inner tube and when reducing the drainage to the enhancement mode high load cavity wall winding pipe of inner tube inner wall impact.

In order to achieve the above purpose, the utility model provides a following technical scheme: an enhancement mode high load hollow wall winding pipe, includes outer tube and inner tube, still includes:

a plurality of annular bulges are fixedly arranged between the outer pipe and the inner pipe at equal intervals;

the elastic frames are arranged between every two adjacent annular bulges;

the buffer layer is fixedly arranged on the inner wall of the inner pipe;

the corrosion-resistant layer is fixedly arranged on the inner wall of the buffer layer.

The utility model discloses further set up as, the buffer layer includes:

the main body is formed by winding rectangular square bars;

the rectangular cavity is formed in the main body;

the elastic strip is embedded and fixedly arranged in the rectangular cavity.

The utility model discloses further set up to:

the main part is the rubber material, and the elasticity strip is the elastic metal material.

The utility model discloses further set up to, the elastic frame includes:

the large V-shaped angle of the omega-shaped framework is abutted against the inner wall of the outer pipe, and the small V-shaped angles at two sides are symmetrically abutted against the outer wall of the inner pipe;

the limiting pipe is positioned in a cavity formed by the omega-shaped framework and the outer wall of the inner pipe;

the omega-shaped framework is positioned at two ends of the two small V-shaped angles and is abutted to the annular bulges.

The utility model discloses further set up to, spacing pipe includes:

an outer layer;

the inner layer is fixedly arranged on the inner wall of the outer layer;

the reinforcing rib is fixedly arranged on the inner wall of the inner layer;

the cross section of the reinforcing rib is X-shaped and is annularly arranged in the inner layer.

The utility model discloses further set up to:

the outer layer and the inner layer are both made of polypropylene, and the reinforcing rib is made of polyethylene.

The utility model discloses further set up to, still include:

the limiting bulges are fixedly arranged on two surfaces of the annular bulges, which are close to the elastic frames on the two sides;

wherein, spacing arch is used for spacing fixedly to the elastic frame.

The utility model discloses further set up to, still include:

the annular cavity is a plurality of and is respectively arranged in the annular bulges and is coaxially arranged with the annular bulges.

The utility model has the advantages that:

the annular bulges and the elastic frames are alternately arranged between the outer pipe and the inner pipe, so that the damage of external impact on the hollow wall winding pipe is effectively reduced, and the local stress part can quickly rebound through the elastic frames, so that the reduction of the local stress coefficient is avoided; meanwhile, the buffer layer is arranged on the inner wall of the inner pipe, so that the impact force of water flow on the inner pipe during drainage is reduced, the inner pipe is prevented from being damaged, the service life is prolonged, and meanwhile, the corrosion resistance of the inner wall of the inner pipe is improved and the service life is prolonged by brushing the corrosion-resistant layer on the inner wall of the buffer layer.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the present invention at A in FIG. 1;

in the drawings: 1. an outer tube; 2. an inner tube; 3. an annular projection; 4. an elastic frame; 40. an omega-shaped framework; 41. a limiting pipe; 410. an outer layer; 411. an inner layer; 412. reinforcing ribs; 5. a buffer layer; 50. a main body; 51. a rectangular cavity; 52. an elastic strip; 6. a corrosion resistant layer.

Detailed Description

The invention is further described in the following with reference to fig. 1 to 2 in a specific embodiment:

example 1:

the embodiment provides a hollow wall winding pipe in enhancement mode high load, including outer tube 1 and inner tube 2, still includes:

the number of the annular bulges 3 is a plurality, and the annular bulges 3 are fixedly arranged between the outer pipe 1 and the inner pipe 2 at equal intervals;

the number of the elastic frames 4 is multiple, and the elastic frames 4 are respectively positioned between every two adjacent annular bulges 3;

the buffer layer 5 is fixedly arranged on the inner wall of the inner tube 2;

the corrosion-resistant layer 6 is fixedly arranged on the inner wall of the buffer layer 5;

wherein, outer tube 1, inner tube 2 and annular are protruding 3 all adopt high density polypropylene material, and adopt integrated into one piece between annular is protruding 3 and the inner tube 2, adopt the hot melt to be connected between annular is protruding 3 and the outer tube 1.

In the embodiment, the annular bulges 3 and the elastic frames 4 are alternately arranged between the outer pipe 1 and the inner pipe 2, so that the damage of external impact on the hollow wall winding pipe is effectively reduced, and the local stress part can quickly rebound through the elastic frames 4, so that the reduction of the local stress coefficient is avoided; simultaneously through setting up buffer layer 5 on the inner wall of inner tube 2, when reducing the drainage, rivers avoid causing the damage to inner tube 2 to the impact force of inner tube 2, increase of service life, simultaneously through brush corrosion-resistant layer 6 on the inner wall of buffer layer 5, improve the corrosion resisting property of inner tube 2 inner wall, increase of service life.

Example 2:

in this embodiment, in addition to the structural features of embodiment 1, the buffer layer 5 further includes:

a main body 50, wherein the main body 50 is formed by winding rectangular square bars;

a rectangular cavity 51, the rectangular cavity 51 being opened in the main body 50;

and the elastic strip 52 is embedded and fixedly arranged in the rectangular cavity 51.

This embodiment can be seen from, main part 50 through with buffer layer 5 is formed by the winding of rectangle square strip, be convenient for install it, and set up rectangle cavity 51 and at the embedded elastic strip 52 that sets up of rectangle cavity 51, improve buffer layer 5's tensile strength, avoid carrying internal pipe 2 when dragging to hollow wall winding pipe and take place to tear the damage, certain compressive strength can also be played to elastic strip 52 simultaneously, avoid hollow wall winding pipe to receive external pressure to influence, cause the atress position to take place great deformation, improve its structural strength.

Example 3:

in this embodiment, in addition to the structural features of embodiment 2, further:

the main body 50 is made of rubber, and the elastic strip 52 is made of elastic metal;

the rubber material is preferably neoprene, and the elastic metal is preferably a memory alloy.

This embodiment can be seen from, through the rubber material, effectively improve the shock resistance of the 2 inner walls of inner tube of cavity wall winding pipe when the drainage, reduce rivers to the impact force of inner tube 2, avoid causing the damage to inner tube 2, the life of extension inner tube 2, elastic strip 52 adopts elastic metal simultaneously, structural strength is high, and preferably memory alloy, make elastic strip 52 can keep the shape of settlement, even after the atress warp, also the reconversion that can be timely, improve elastic strip 52's live time, prolong its life.

Example 4:

in this embodiment, in addition to the structural features of embodiment 1, the elastic frame 4 further includes:

the large V-shaped angle of the omega-shaped framework 40 is abutted against the inner wall of the outer tube 1, and the small V-shaped angles at two sides are symmetrically abutted against the outer wall of the inner tube 2;

the limiting pipe 41 is positioned in a cavity formed by the omega-shaped framework 40 and the outer wall of the inner pipe 2;

wherein, the omega-shaped framework 40 is positioned at two ends of the two small V-shaped angles and is abutted with the annular bulge 3.

In the embodiment, the elastic frame 4 endows the outer tube 1 with toughness, after the outer tube 1 is locally stressed, based on the self elastic deformation of the omega-shaped framework 40, the outer tube 1 is rapidly rebounded after the stress is finished, and the reduction of the local stress coefficient caused by the poor self rebound coefficient after the outer tube 1 bears high-strength impact is avoided; the limiting pipe 41 can limit and support the omega-shaped framework 40, namely after the omega-shaped framework 40 is stressed, on one hand, the limiting pipe 41 provides powerful support for the omega-shaped framework 40, namely, the deformation of the omega-shaped framework 40 is limited, and the phenomenon that the omega-shaped framework is difficult to reset under the condition of high strength or high load stress is avoided; and omega-shaped framework 40 is located at two ends of two small V-shaped angles and is abutted with annular bulge 3, so that the phenomenon that omega-shaped framework 40 moves along the axial direction can be avoided, and the structural stability of the framework is improved.

Example 5:

in this embodiment, in addition to the structural features of embodiment 4, further, the limiting tube 41 includes:

an outer layer 410;

the inner layer 411, the inner layer 411 is fixedly arranged on the inner wall of the outer layer 410;

the reinforcing rib 412 is fixedly arranged on the inner wall of the inner layer 411;

wherein the cross section of the reinforcing rib 412 is in an X shape and is annularly arranged in the inner layer 411.

In this embodiment, it can be seen that, by arranging the X-shaped reinforcing rib 412 in the limiting tube 41, on one hand, the structural strength of the limiting tube 41 is improved, and on the other hand, the limiting tube 41 is strongly supported, that is, the limiting tube 41 is prevented from being greatly deformed under the condition of high strength or high load, so that the supporting effect of the limiting tube 41 on the Ω -shaped framework 40 is ensured.

Example 6:

in this embodiment, in addition to the structural features of embodiment 5, further:

the outer layer 410 and the inner layer 411 are both made of polypropylene, and the reinforcing rib 412 is made of polyethylene.

It can be seen that in this embodiment, outer layer 410 and inlayer 411 adopt the polypropylene material, because of polypropylene material density is little, mechanical properties is excellent, outstanding rigidity has, make spacing pipe 41 can play better support to omega shape skeleton 40, polypropylene tensile strength is high simultaneously, and then bending resistance is good, effectively improve spacing pipe 41's result of use, simultaneously strengthening rib 412 adopts the polyethylene material, because of the polyethylene material has better pliability, therefore it combines X shape, can improve its shock resistance, prevent to fracture.

Example 7:

in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:

the limiting bulges are fixedly arranged on two surfaces, close to the elastic frames 4 on the two sides, of the annular bulge 3;

wherein, spacing arch is used for carrying out spacing fixed to elastic frame 4.

This embodiment can see that, through setting up spacing arch, improve the spacing fixed to elastic frame 4, prevent under the exogenic action that receives high strength or high load, elastic frame 4 takes place the drunkenness along the axial, avoids reducing elastic frame 4's result of use.

Example 8:

in this embodiment, in addition to the structural features of embodiment 7, the present invention further includes:

the annular cavity, the annular cavity is a plurality of, and sets up respectively in a plurality of annular arch 3 to with the annular arch 3 coaxial setting.

This embodiment can see out, through setting up the annular cavity in annular arch 3, for 4 deformations of elastic frame provide more deformation volume, when 4 atress deformations of elastic frame promptly, through the compression to the annular cavity to avoid tearing because of the deformation of elastic frame 4 and to the annular arch 3 or the tear that inner tube 2 caused, improve and resist external force buffering effect.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The utility model provides a hollow wall winding pipe in enhancement mode high load, includes outer tube (1) and inner tube (2), characterized by still includes:

the number of the annular bulges (3) is a plurality, and the annular bulges (3) are fixedly arranged between the outer pipe (1) and the inner pipe (2) at equal intervals;

the elastic frames (4) are arranged in a plurality of numbers and are respectively positioned between every two adjacent annular bulges (3);

the buffer layer (5), the said buffer layer (5) is fixed on inner wall of the inner pipe (2);

the anti-corrosion layer (6), the anti-corrosion layer (6) is fixedly arranged on the inner wall of the buffer layer (5).

2. The reinforced high load hollow wall wound pipe of claim 1, wherein said buffer layer (5) comprises:

a main body (50), the main body (50) being formed by winding a rectangular square bar;

a rectangular cavity (51), the rectangular cavity (51) being open within the body (50);

the elastic strip (52), the elastic strip (52) is embedded and fixed in the rectangular cavity (51).

3. The reinforced high load hollow wall wound pipe of claim 2, wherein:

the main body (50) is made of rubber, and the elastic strip (52) is made of elastic metal.

4. The reinforced high load hollow wall wound pipe of claim 1, wherein said elastic frame (4) comprises:

the large V-shaped angle of the omega-shaped framework (40) is abutted against the inner wall of the outer pipe (1), and the small V-shaped angles at two sides are symmetrically abutted against the outer wall of the inner pipe (2);

the limiting pipe (41), the limiting pipe (41) is positioned in a cavity formed by the omega-shaped framework (40) and the outer wall of the inner pipe (2);

the omega-shaped framework (40) is positioned at two ends of the two small V-shaped angles and is abutted with the annular bulge (3).

5. The reinforced high load hollow wall wound pipe of claim 4, wherein said limiting tube (41) comprises:

an outer layer (410);

the inner layer (411), the said inner layer (411) is fixed on inner wall of the outer layer (410);

the reinforcing rib (412) is fixedly arranged on the inner wall of the inner layer (411);

wherein the section of the reinforcing rib (412) is X-shaped and is annularly arranged in the inner layer (411).

6. The reinforced high load hollow wall wound pipe of claim 5, wherein:

the outer layer (410) and the inner layer (411) are both made of polypropylene, and the reinforcing rib ribs (412) are made of polyethylene.

7. The reinforced high load hollow wall wound pipe of claim 1, further comprising:

the limiting bulges (30) are fixedly arranged on two surfaces, close to the elastic frames (4) on the two sides, of the annular bulge (3);

the limiting bulge (30) is used for limiting and fixing the elastic frame (4).

8. The reinforced high load hollow wall wound pipe of claim 7, further comprising:

the annular cavity (31), annular cavity (31) are a plurality of, and set up respectively in a plurality of annular arch (3) to with annular arch (3) coaxial setting.

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