CN209991027U - High-strength polyvinyl chloride double-wall corrugated pipe - Google Patents

Abstract

The utility model discloses a high strength polyvinyl chloride double-walled bellows, including the ripple section, reinforce the section, the inlay card groove, connector and inlay card mouth, be equipped with the reinforce section between every section ripple section, leftmost ripple section left end is equipped with the connector, the position that the connector is close to the ripple section is equipped with the inlay card groove, the right-hand member of rightmost ripple section is equipped with the inlay card mouth, through inlay the reinforce section between every ripple section, utilize the reinforcement piece in the reinforce section to support the ripple section of both sides, the outside to the ripple section reinforces, improve the bulk strength of bellows, the ejector pin bottom sets up the elasticity piece, the effort to the outside cushions, further improve the bulk strength of bellows, add the protection film at the skin of ripple section, the skin in the reinforce section sets up the outer protective layer, prevent that the polyvinyl chloride layer from decomposing under the insolateing of sunshine, thereby increase of service life.

Description

High-strength polyvinyl chloride double-wall corrugated pipe

Technical Field

The utility model relates to a double-walled bellows technical field specifically is a high strength polyvinyl chloride double-walled bellows.

Background

The double-wall corrugated pipe is a novel pipe with an outer wall and a smooth inner wall in an annular structure, is firstly developed and succeeded in Germany in the beginning of the 80 s, is developed and perfected for more than ten years, is developed into a complete product series from a single variety, is mature in production process and use technology at present, has been greatly popularized and applied in developed countries such as Europe and the United states due to excellent performance and relatively economic manufacturing cost, is in a rising trend stage in China, all technical indexes reach use standards, the double-wall corrugated pipe in the prior art is made of polyvinyl chloride materials, after the polyvinyl chloride double-wall corrugated pipe is installed, polyvinyl chloride molecules are decomposed after long-time sunshine insolation, hydrogen chloride is generated, and the double-wall corrugated pipe cannot bear transportation functions, the service life is short, and meanwhile, the polyvinyl chloride material is high in brittleness and low in strength and cannot bear large acting force from the outside.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength polyvinyl chloride double-walled bellows, through inlay the strong section in the interpolation between every ripple section, utilize the reinforcement piece in the reinforcement section to support the ripple section of both sides, reinforce the outside of ripple section, improve the bulk strength of bellows, at the skin of ripple section add the protection film, set up the outer protective layer at the skin of reinforcement section, prevent that the polyvinyl chloride layer from decomposing under the insolation of sunshine to increase of service life can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high strength polyvinyl chloride double-walled bellows, includes ripple section, reinforcement section, inlay card groove, connector and inlay card mouth, every section be equipped with the reinforcement section between the ripple section, the left side most ripple section left end is equipped with the connector, the position that the connector is close to the ripple section is equipped with inlay card groove, the right side most the right-hand member of ripple section is equipped with the inlay card mouth.

The reinforcement section includes outer covering, polyvinyl chloride layer, reinforcement piece, ejector pin seat, locking bolt, ejector pin, elastic block, inner ring and sealing washer, the inboard of outer covering is equipped with the polyvinyl chloride layer, the inside of outer covering is equipped with the ejector pin seat, be equipped with a plurality of reinforcement piece on the outer wall of outer covering between the ejector pin seat, the downside installation ejector pin of ejector pin seat, the upside of ejector pin seat is equipped with locking bolt, the contact site installation sealing washer of ejector pin seat and outer covering, the downside installation elastic block of ejector pin, the elastic block is installed on the inner ring.

Preferably, the ejector rod seat, the locking bolt, the ejector rod, the elastic block and the sealing ring are provided with three groups.

Preferably, the ejector rod is fixedly arranged on the ejector rod seat through a locking bolt.

Preferably, the left end and the right end of the reinforcing block respectively abut against the side surfaces of the corrugated sections on the two sides.

Preferably, each reinforcing section is provided with thirty-six reinforcing blocks, and the outer protective layer between every two ejector rod seats is provided with twelve reinforcing blocks.

Preferably, a protective film is arranged on the outer side of the corrugated section.

Preferably, the elastic block is welded to the inner ring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses high strength polyvinyl chloride double-walled bellows, through add the reinforcement section between every ripple section, set up the reinforcement piece in the reinforcement section, the ripple section of both sides is supported through the reinforcement piece, improve the intensity of side, set up the ejector pin seat in the reinforcement section, inside ejector pin and the elastic block of reinforcement section are connected to the ejector pin seat, when the bellows received the external force to the inboard, decurrent effort is applyed to the ejector pin seat, the ejector pin makes the inward emergence deformation of elastic block, the effort that the buffering bellows received, improve the intensity of inside and outside, set up the protection film in the outside of ripple section, set up the outer protective layer in the outside of reinforcement section, prevent that the polyvinyl chloride layer in the bellows from taking place to decompose after sunshine insolatees, with this improve life the utility model discloses the structure is complete reasonable, and effectively improve its structural strength, increase of service life simultaneously.

Drawings

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

fig. 2 is a partial cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the reinforcement section of the present invention;

fig. 4 is an enlarged view of a point a of the present invention.

In the figure: 1. a corrugated section; 2. a reinforcing section; 21. an outer protective layer; 22. a polyvinyl chloride layer; 23. a reinforcing block; 24. a jack rod seat; 25. locking the bolt; 26. a top rod; 27. an elastic block; 28. an inner ring; 29. a seal ring; 3. a clamping groove; 4. a connecting port; 5. and (4) clamping and embedding the opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a high strength pvc double-wall corrugated pipe includes a corrugated section 1, a reinforcing section 2, a clamping groove 3, a connection port 4 and a clamping port 5, a protective film is disposed outside the corrugated section 1, the inner side of the polyvinyl chloride is isolated by the layer of protective film, the polyvinyl chloride is prevented from being decomposed by exposure to sunlight, reinforcing sections 2 are arranged between every two corrugated sections 1, the reinforcing sections 2 are used for improving the overall strength of the double-wall corrugated pipe, the left end of the leftmost corrugated section 1 is provided with a connecting port 4, the part of the connecting port 4, which is close to the corrugated section 1, is provided with a clamping and embedding groove 3, the right end of the rightmost corrugated section 1 is provided with a clamping and embedding port 5, the clamping and embedding port 5 of the double-wall corrugated pipe is connected with the connecting port 4 of another double-wall corrugated pipe in a clamping and embedding way, the clamping and embedding block outside the clamping and embedding opening 5 is clamped and embedded into the clamping and embedding groove 3, and then the connecting opening 4 is screwed with the threads of the clamping and embedding opening 5, so that the mounting purpose is achieved.

Referring to fig. 3-4, the reinforcing section 2 includes an outer protective layer 21, a polyvinyl chloride layer 22, reinforcing blocks 23, a top rod seat 24, a locking bolt 25, a top rod 26, an elastic block 27, an inner ring 28 and a sealing ring 29, the polyvinyl chloride layer 22 is disposed on the inner side of the outer protective layer 21, the outer protective layer 21 is used for isolating the polyvinyl chloride layer 22 to prevent the service life of the corrugated pipe from being shortened due to the insolation and decomposition of sunlight, the top rod seat 24 is disposed inside the outer protective layer 21, a plurality of reinforcing blocks 23 are disposed on the outer wall of the outer protective layer 21 between the top rod seats 24, the left and right ends of the reinforcing blocks 23 are respectively supported against the side surfaces of the corrugated sections 1 on both sides, the pipe wall strength of the corrugated pipe is improved by the reinforcing blocks 23, the reinforcing sections 23 and the corrugated sections 1 are both of the structure of the corrugated pipe, thirty-six reinforcing blocks 23 are disposed on each reinforcing section 2, twelve reinforcing blocks 23 are, ejector rod 26 is installed to the downside of ejector rod seat 24, utilize ejector rod 26 to increase the internal strength of bellows, the upside of ejector rod seat 24 is equipped with locking bolt 25, ejector rod 26 passes through locking bolt 25 fixed mounting on ejector rod seat 24, ejector rod seat 24 and the contact part installation sealing washer 29 of outer protective layer 21, ejector rod 26's downside installation elasticity piece 27, when the outside of bellows bears external force, push rod 26 is pressed to the inboard, ejector rod 26 compresses elasticity piece 27, utilize the effort that elasticity piece 27 buffering bellows received, with this intensity that improves double-walled bellows, ejector rod seat 24, locking bolt 25, ejector rod 26, elasticity piece 27 and sealing washer 29 are equipped with three groups altogether, elasticity piece 27 is installed on inner ring 28.

The utility model discloses difference with prior art: the double-wall corrugated pipe in the prior art is made of polyvinyl chloride materials on materials, after the double-wall corrugated pipe is installed, polyvinyl chloride molecules can be decomposed after being exposed to sunlight for a long time, hydrogen chloride is generated, and therefore the double-wall corrugated pipe cannot bear the transportation function, the service life is short, meanwhile, the brittleness of the polyvinyl chloride materials is high, the strength is low, and large acting force outside cannot be borne, the high-strength polyvinyl chloride double-wall corrugated pipe of the utility model is characterized in that a reinforcing section 2 is additionally arranged between every two corrugated sections 1, a reinforcing block 23 is arranged on the reinforcing section 2, the corrugated sections 1 on two sides are supported by the reinforcing block 23, the strength of the side surface is improved, a top rod seat 24 is arranged on the reinforcing section 2, the top rod seat 24 is connected with a top rod 26 and an elastic block 27 inside the reinforcing section 2, when the corrugated pipe is subjected to external force inside, the top rod seat 24 exerts downward acting force on the top, ejector pin 26 makes the inside deformation that takes place of elastic block 27, and the effort that the buffering bellows received improves the intensity of inside and outside, sets up the protection film in the outside of ripple section 1, sets up outer protective layer 21 in the outside of reinforcement section 2, prevents that polyvinyl chloride layer 22 in the bellows from taking place to decompose after sunshine insolate to this improvement life.

In summary, the following steps: the utility model discloses high strength polyvinyl chloride double-walled bellows, through add reinforcement section 2 between every ripple section 1, set up reinforcement piece 23 on reinforcement section 2, ripple section 1 of both sides is supported through reinforcement piece 23, improve the intensity of side, set up ejector pin seat 24 on reinforcement section 2, ejector pin seat 24 connects ejector pin 26 and elastic block 27 inside reinforcement section 2, when the bellows receives outside force to the inboard, ejector pin seat 24 exerts decurrent effort to ejector pin 26, ejector pin 26 makes elastic block 27 take place the deformation inwards, the effort that the buffering bellows received improves the intensity of inside and outside, set up the protection film in the outside of ripple section 1, set up outer protective layer 21 in the outside of reinforcement section 2, prevent that polyvinyl chloride layer 22 in the bellows from taking place to decompose after the sunshine insolate, with this improvement life the utility model discloses the structure is complete reasonable, and effectively improve its structural strength, and simultaneously the service life is prolonged.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high strength polyvinyl chloride double-walled bellows, includes ripple section (1), reinforcement section (2), inlay card groove (3), connector (4) and inlay card mouth (5), its characterized in that: a reinforcing section (2) is arranged between every two sections of the corrugated sections (1), the left end of the leftmost corrugated section (1) is provided with a connecting port (4), a clamping and embedding groove (3) is formed in the position, close to the corrugated section (1), of the connecting port (4), and the right end of the rightmost corrugated section (1) is provided with a clamping and embedding opening (5);

the reinforcing section (2) comprises an outer protective layer (21), a polyvinyl chloride layer (22), a reinforcing block (23), a mandril base (24), a locking bolt (25), a mandril (26), an elastic block (27), an inner ring (28) and a sealing ring (29), a polyvinyl chloride layer (22) is arranged on the inner side of the outer protective layer (21), a mandril base (24) is arranged inside the outer protective layer (21), a plurality of reinforcing blocks (23) are arranged on the outer wall of the outer protective layer (21) between the ejector rod seats (24), a mandril (26) is arranged at the lower side of the mandril base (24), a locking bolt (25) is arranged at the upper side of the mandril base (24), a sealing ring (29) is arranged at the contact part of the ejector rod seat (24) and the outer protective layer (21), an elastic block (27) is arranged on the lower side of the ejector rod (26), and the elastic block (27) is arranged on an inner ring (28).

2. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the ejector rod seat (24), the locking bolt (25), the ejector rod (26), the elastic block (27) and the sealing ring (29) are provided with three groups.

3. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the ejector rod (26) is fixedly arranged on the ejector rod seat (24) through a locking bolt (25).

4. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the left end and the right end of the reinforcing block (23) are respectively propped against the side surfaces of the corrugated sections (1) on the two sides.

5. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: thirty-six reinforcing blocks (23) are arranged on each reinforcing section (2), and twelve reinforcing blocks (23) are arranged on the outer protective layer (21) between every two ejector rod seats (24).

6. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: and a protective film is arranged on the outer side of the corrugated section (1).

7. A high strength polyvinyl chloride double wall corrugated pipe as claimed in claim 1, wherein: the elastic block (27) is welded to the inner ring (28).

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