CN212056170U

CN212056170U - Corrugated pipe with strong pressure resistance

Info

Publication number: CN212056170U
Application number: CN202020450639.0U
Authority: CN
Inventors: 沈立
Original assignee: Hangzhou Guantong New Material Co ltd
Current assignee: Hangzhou Guantong New Material Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-12-01
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a corrugated pipe with strong pressure resistance, which comprises an inner pipe wall, an outer pipe wall and a buffer component, wherein a plurality of convex parts are formed between the inner pipe wall and the outer pipe wall, and a concave part is formed between two adjacent convex parts; a plurality of cutting parts are arranged on the convex part; when a plurality of corrugated pipes are installed in a centralized manner, the cutting parts between the adjacent corrugated pipes can be tightly connected with a railway, so that the width and the depth of excavation can be reduced, the occupied space is reduced, the contact among the plurality of corrugated pipes is compact, the force borne by the corrugated pipes can be transmitted to the adjacent corrugated pipes, the compression resistance is improved, the cutting parts at the bottoms of the corrugated pipes can be tightly contacted with the horizontal ground, and the installation is stable; the concave part is positioned between two adjacent convex parts, the wave trough of the concave part is fixedly connected with the inner pipe wall, partial pressure applied to the convex part can be dispersed to the concave parts on two sides, the pressure resistance is improved, and after the installation is completed, backfilled sandy soil can enter the bottom of the corrugated pipe along the concave part, so that the backfilling is more convenient.

Description

Corrugated pipe with strong pressure resistance

Technical Field

The utility model belongs to the technical field of the pipeline, especially, relate to a bellows that crushing resistance is strong.

Background

The urban underground pipeline refers to pipelines and auxiliary facilities thereof for water supply, drainage, gas, heating power, electric power, communication, radio and television, industry and the like in the urban range, is an important infrastructure and a 'life line' for guaranteeing urban operation, but the existing corrugated pipe has half of compression resistance, needs to be buried in deep soil and is inconvenient to install.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a bellows that crushing resistance is strong.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a corrugated pipe with strong pressure resistance comprises an inner pipe wall, an outer pipe wall and a buffer part, wherein a plurality of convex parts are formed between the inner pipe wall and the outer pipe wall, and a concave part is formed between two adjacent convex parts; the convex part is provided with a plurality of cutting parts.

The utility model discloses an interior pipe wall is connected with outer pipe wall part, the concave part of outer pipe wall is connected with interior pipe wall, the pressure that outer pipe wall bore can disperse and transmit on interior pipe wall, the partial pressure that interior pipe wall bore disperses on a plurality of cushioning components, make the compressive property of bellows strengthen, the concave part that outer pipe wall and inner pipe wall formed sets up with the convex part interval, the cutting portion on the convex part can be installed conveniently, when the body is buried in the soil, the pressure that the convex part received can transmit near cutting portion, the cutting portion evenly arranges on the convex part, the part between two cutting portions is the arc, the pressure that the convex part received can disperse and transmit near arc region, can improve the compressive capacity of bellows, when the body is installed on horizontal ground, the cutting portion of body bottom can increase the area of contact with ground, make the installation of bellows more stable, when a plurality of bellows concentrate the installation, the cutting parts between the adjacent corrugated pipes can be tightly connected together by a railway, the width and the depth of excavation can be reduced, the occupied space is reduced, the plurality of corrugated pipes can be compactly contacted, the installation is convenient, the force borne by the corrugated pipes can be transmitted to the adjacent corrugated pipes, the pressure resistance is improved, the cutting parts at the bottoms of the corrugated pipes can be tightly contacted with the horizontal ground, and the installation is stable; the concave part is positioned between two adjacent convex parts, the wave trough of the concave part is fixedly connected with the inner pipe wall, partial pressure applied to the convex part can be dispersed to the concave parts on two sides, the pressure resistance is improved, and after the installation is completed, backfilled sandy soil can enter the bottom of the corrugated pipe along the concave part, so that the backfilling is more convenient.

Preferably, the number of the cutting parts is at least four, and four cutting parts can be conveniently placed on the ground.

Preferably, the buffer component comprises a plurality of fixed blocks arranged on the inner pipe wall and an elastic element arranged on the fixed blocks; the plurality of fixing blocks are uniformly distributed on the inner side of the inner pipe wall, the elastic pieces are fixedly connected to the fixing blocks, the elastic pieces have certain elasticity, the plurality of elastic pieces can form a ring shape, the damage of cables in the corrugated pipe can be avoided, the pressure applied to the inner pipe wall can be transmitted to the adjacent elastic pieces through the fixing blocks, and as the plurality of elastic pieces are coiled into the ring shape, part of the pressure can be transmitted to other adjacent elastic pieces when being applied, so that the compression resistance is improved; the setting of fixed block can make and have certain space between interior pipe wall and the elastic component, can produce certain heat in the cable use, and the heat can radiate near in the space to derive through interior pipe wall and outer pipe wall, improve the radiating effect of cable.

Preferably, the elastic element comprises an arc-shaped part, a first connecting part and a second connecting part which are arranged at two ends of the arc-shaped part, a lock catch part arranged at one end of the first connecting part and a lock tongue part arranged at the other end of the second connecting part; the arc portion is located the middle part of elastic component, arc portion is inside sunken arc, first connecting portion and second connecting portion are located the both ends of arc portion respectively, the one end and the hasp portion of first connecting portion are connected, the other end and the spring bolt portion of second connecting portion are connected, spring bolt portion can insert inside the hasp portion, be used for connecting between adjacent spring bolt portion and the hasp portion, connect through spring bolt portion and hasp portion between a plurality of elastic components, make a plurality of arc portions connect into a whole, when one of them arc portion bears pressure, pressure can transmit on other arc portions, can protect its inside cable, improve the compressive property of bellows.

Preferably, a cavity is arranged on the inner side of the convex part, and a plurality of pressure reducing parts are arranged inside the cavity; the cavity is internally provided with a certain space, so that an air layer is formed on the inner side of the convex part, the convex part can be dispersed through the cavity when the convex part is under the pressure of certain pressure, the inner pipe wall cannot be influenced, the decompression parts are multiple and have certain elasticity, the decompression parts are filled in the cavity, and the decompression parts can disperse the pressure of the decompression parts, so that the compression resistance of the convex part is improved.

Preferably, the pressure reducing member comprises a spherical portion, a plurality of elastic rods provided on the spherical portion; the main part of decompression spare is for having certain elastic spherical portion, and the elastic rod is radial arrangement on the surface of spherical portion, and the pressure that the convex part received can transmit partial elastic rod at first on, transmits spherical portion through the elastic rod afterwards on, and the pressure that the spherical portion received can transmit other elastic rod on, so many times, the pressure that the reduction convex part that can be fine received makes the compressive property of bellows improve.

Preferably, a U-shaped part is arranged on the concave part; the U-shaped piece is located on the inner side of the concave part and is tightly attached to the concave part, the corrugated pipe can be supported, the concave part of the corrugated pipe can be prevented from being damaged by large force, and the strength of the corrugated pipe is improved.

To sum up, the utility model discloses simple structure, processing is convenient, through a plurality of buffering parts and decompression spare, can go out the pressure that the bellows received dispersion very fast, reduces the influence of pressure to the bellows, makes the compressive property of bellows improve, can prevent the damage of bellows and its inside cable, can install in shallow soil, reduces the degree of depth and the width of excavation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a left side view of the present invention.

Fig. 6 is a cross-sectional view taken at B-B in fig. 5.

Fig. 7 is an enlarged view at B in fig. 6.

Fig. 8 is a schematic structural view of the pressure reducing member of the present invention.

Detailed Description

As shown in fig. 1-8, a corrugated pipe with high pressure resistance comprises an inner pipe wall 1, an outer pipe wall 2 and a buffer member, wherein the outer pipe wall 2 is partially contacted with the inner pipe wall 1, so that the inner pipe wall 1 is divided into a plurality of independent convex parts 11 by the outer pipe wall 2, a concave part 12 is formed between two adjacent convex parts 11, the outer pipe wall 2 is connected with the inner pipe wall 1 due to the concave part 12, the outer pipe wall 2 is arranged on the inner pipe wall 1 in a corrugated shape, and the convex parts 11 and the concave parts 12 are arranged at intervals, so that all parts of the corrugated pipe are stressed uniformly; the convex part 11 is provided with a plurality of cutting parts 13, the number of the cutting parts 13 is four, so that the side section of the convex part 11 is close to a square shape, the cutting parts 13 are conveniently paved on the horizontal ground, an arc shape is formed between two adjacent cutting parts 13, the force received by the top can be dispersed to other parts along the inclined direction, and the compression resistant effect is improved; during the installation, put the bellows in the soil layer after the excavation, and make the cutting part 13 and the ground contact of bellows bottom, cutting part 13 is the plane, can improve the area of contact of bellows and ground, it is more stable to make the installation, when installing a plurality of bellows, cutting part 13 between two adjacent bellows pastes together, make the range of bellows compacter, reduce the installation space, reduce the degree of depth and the width of excavation soil layer, when bellows top atress, partial pressure can transmit near arc portion 321 position through cutting part 13, partial pressure can transmit near on concave part 12, make pressure disperse away along the incline direction, improve the compressive capacity of bellows.

Furthermore, the buffer component comprises a plurality of fixed blocks 31 and elastic pieces, wherein the six fixed blocks 31 are made of metal or plastic with certain elasticity, can slightly deform and are uniformly arranged on the inner sides of the concave parts 12, the elastic pieces are fixedly connected to the fixed blocks 31 and are of plate-shaped structures made of metal, and the elastic pieces have certain toughness, can deform under stress and can protect internal cables; when the bellows received pressure, the part transmits on the fixed block 31 near the pressure on the interior pipe wall 1 can be transmitted, fixed block 31 can transmit pressure, and make the elastic component take place deformation, a part of pressure can be offset to the resilience force of elastic component, and make pressure disperse along the incline direction, further improve the resistance to compression effect, because the wire has certain resistance, can produce certain heat when the electric current passes through the wire, the heat that the cable produced can radiate between elastic component and interior pipe wall 1, it is more convenient to make the heat dissipation.

Further, the elastic member includes an arc portion 321, a first connection portion 322, a second connection portion 323, a locking portion 324 and a locking tongue portion 325, the arc portion 321, the first connection portion 322, the second connection portion 323, the locking portion 324 and the locking tongue portion 325 are integrally formed, the arc portion 321, the first connection portion 322, the second connection portion 323, the locking portion 324 and the locking tongue portion 325 are made of plastic or metal, have certain elasticity and can deform when stressed, the arc portion 321 is an inward concave arc and is fixedly connected with the fixing block 31 to prevent the elastic member from falling off, the first connection portion 322 and the second connection portion 323 are both arranged along a tangential direction of the arc portion 321, so that the stress of the first connection portion 322 and the second connection portion 323 can be uniform, the locking portion 324 is fixedly connected with the other end of the first connection portion 322, the locking tongue portion 325 is fixedly connected with the other end of the second connection portion 323, and the locking tongue portion 325 can be inserted into the locking portion 324, the connection among a plurality of elastic pieces is convenient, so that the connection among the six arc-shaped parts 321 is stable, the pressure from different directions can be shared, and the pressure resistance of the corrugated pipe is improved; when the corrugated pipe is used, a cable is placed on the inner side of the arc-shaped portion 321, the cable is prevented from being directly contacted with the inner pipe wall 1, a certain gap is formed between the cable and the inner pipe wall 1, heat dissipation is facilitated, when the corrugated pipe is under pressure, part of the pressure can be transmitted to the inner pipe wall 1, the inner pipe wall 1 can transmit the pressure to the arc-shaped portion 321 through the fixing block 31, the arc-shaped portion 321 is arched and has good pressure resistance, the pressure is transmitted to the nearby locking portion 324 and the nearby locking tongue portion 325 through the first connecting portion 322 and the second connecting portion 323, the dispersed pressure can be transmitted to the nearby arc-shaped portion 321 due to the fact that the locking portion 324 is connected with the locking tongue portion 325, the force applied to a certain part of the inner pipe wall 1 can be dispersed to the six arc-shaped portions 321, damage to the elastic piece is reduced.

Further, a cavity 141 is formed in the inner side of the convex portion 11, the cavity 141 is located between the outer pipe wall 2 and the inner pipe wall 1, so that the thickness of the outer pipe wall 2 is the same as that of the inner pipe wall 1, stress on each part is uniform, and a plurality of pressure reducing parts are arranged in the cavity 141 and made of rubber materials, so that a good buffering effect is achieved; the pressure reducing member includes a spherical portion 1421 and six to twelve elastic rods 1422, the elastic rods 1422 are uniformly arranged on the outer wall of the spherical portion 1421, the elastic rods 1422 and the spherical portion 1421 are integrally formed, because the pressure reducing member is placed inside the cavity 141, a part of the elastic rods 1422 contacts with the outer tube wall 2, the pressure applied to the protrusion can be directly transmitted to the adjacent elastic rods 1422, the elastic rods 1422 and the spherical portion 1421 are integrally formed, the pressure applied to the elastic rods 1422 can be transmitted to the spherical portion 1421, so that the pressure applied to the elastic rods 1422 can be rapidly dispersed, the pressure resistance of the bellows can be improved, when the protrusion is applied with the pressure, the pressure can be directly transmitted to the adjacent elastic rods 1422, the elastic rods 1422 can transmit the applied pressure to the spherical portion 1421, the spherical portion 1421 can then transmit the pressure to the other elastic rods 1422 and the spherical portion 1421, and the pressure dispersed by the plurality of pressure reducing members can be transmitted to the inner tube wall 1, the pressure resistance of the corrugated pipe is improved, and the damage to the cable inside the corrugated pipe can be prevented.

Furthermore, the U-shaped part 121 is arranged on the concave part 12, the U-shaped part 121 is made of metal sheets and has certain elasticity, the height of the U-shaped part 121 is slightly smaller than a half of the difference between the diameter of the convex part 11 and the diameter of the concave part 12, falling off can be prevented, the pressure resistance of the corrugated pipe is improved, and the corrugated pipe is more stable to use.

Claims

1. The utility model provides a bellows that crushing resistance is strong, includes interior pipe wall (1), outer pipe wall (2) and buffer unit, its characterized in that: a plurality of convex parts (11) are arranged on the outer pipe wall (2) at equal intervals, and a concave part (12) is arranged between every two adjacent convex parts (11); the convex portion (11) is provided with a plurality of cutting portions (13).

2. The high pressure bellows according to claim 1, wherein: the number of the cutting parts (13) is at least four.

3. The high pressure bellows according to claim 1, wherein: the buffer component comprises a plurality of fixed blocks (31) arranged on the inner pipe wall (1) and elastic pieces arranged on the fixed blocks (31).

4. The high pressure bellows of claim 3, wherein: the elastic piece comprises an arc-shaped part (321), a first connecting part (322) and a second connecting part (323) which are arranged at two ends of the arc-shaped part (321), a locking part (324) which is arranged at one end of the first connecting part (322) and a locking tongue part (325) which is arranged at the other end of the second connecting part (323).

5. The high pressure bellows according to claim 1, wherein: a cavity (141) is formed in the convex portion (11), and a plurality of pressure reducing parts are arranged in the cavity (141).

6. The corrugated pipe having high pressure resistance according to claim 5, wherein: the pressure reducing member includes a spherical portion (1421) and a plurality of elastic bars (1422) provided on the spherical portion (1421).

7. The high pressure bellows according to claim 1, wherein: the concave part (12) is provided with a U-shaped part (121).