CN218780874U

CN218780874U - Anti-freezing high-strength corrugated pipe

Info

Publication number: CN218780874U
Application number: CN202222759407.5U
Authority: CN
Inventors: 肖祥; 潘铮
Original assignee: Xunxiang Elastic Components Shanghai Co ltd
Current assignee: Xunxiang Elastic Components Shanghai Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-31
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a bellows that excels in prevents frostbite belongs to bellows technical field, including the body, the body includes outer body and interior body, and on interior body was located to outer body cover, be formed with the heat insulation chamber between outer body and the interior body, heat insulation intracavity is provided with a plurality of supporting shoes, and the supporting shoe sets up crest and trough department between outer body and the interior body respectively, and the both ends of supporting shoe weld with outer body and interior body respectively. The corrugated pipe body is composed of the outer pipe body and the inner pipe body, so that a heat insulation cavity can be formed between the outer pipe body and the inner pipe body, air which is not circulated can be stored in the heat insulation cavity, and the heat conductivity coefficient of the air is very low, so that the heat loss in the corrugated pipe can be greatly reduced, and the freezing of materials transported in the corrugated pipe due to the low outside temperature is prevented; utilize the supporting shoe, can support the heat insulation chamber, can play the effect of fixed outer body simultaneously, weld and can increase the intensity and the resistance to compression, the shock resistance of bellows by a wide margin in crest and trough department.

Description

Anti-freezing high-strength corrugated pipe

Technical Field

The utility model discloses a high-strength bellows prevents frostbite belongs to bellows technical field.

Background

The metal corrugated pipe is a pipe with a regular wave-like appearance, and the commonly used metal corrugated pipes comprise carbon steel, stainless steel, steel lining plastic, aluminum and the like. The connecting device is mainly used for connecting pipelines or connecting pipelines and equipment in occasions where small bending radius non-concentric axial transmission is needed, or irregular turning and stretching are needed, or thermal deformation of the pipelines and the like are absorbed, or the fixed elbow is inconvenient to install.

When the metal corrugated pipe is used, liquid or gas in a pipeline system can be frequently transported, the liquid or gas is often transported by ensuring that the temperature is not too low, most of the existing corrugated pipes are of single-layer structures, the temperature inside the corrugated pipes is directly hooked with the temperature of the external environment, because heat can be directly transmitted through the metal pipe wall of the corrugated pipe, when the air temperature is low, the liquid or gas transported inside the corrugated pipe is easy to freeze, the transmission efficiency can be influenced, and even the safety performance of the corrugated pipe can be influenced, and therefore a new scheme needs to be provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem and providing a high strength bellows prevents frostbite.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a prevent frostbite high-strength bellows, which comprises a body, the body includes outer body and interior body, outer body cover is located on the interior body, be formed with the heat insulating chamber between outer body and the interior body, be provided with a plurality of supporting shoes in the heat insulating chamber, the supporting shoe sets up crest and trough department between outer body and the interior body respectively, the both ends of supporting shoe weld with outer body and interior body respectively.

By adopting the technical scheme, the corrugated pipe body is composed of the outer pipe body and the inner pipe body, so that a heat insulation cavity can be formed between the outer pipe body and the inner pipe body, air which is not circulated can be stored in the heat insulation cavity, and the heat conductivity coefficient of the air is very low, so that the heat loss in the corrugated pipe can be greatly reduced, and the freezing of materials transported in the corrugated pipe due to the low external temperature is prevented; utilize the supporting shoe, can support the heat insulation chamber, can play the effect of fixed outer body simultaneously, weld and can increase the intensity and the resistance to compression, the shock resistance of bellows by a wide margin in crest and trough department.

Preferably, a heat insulation filler is arranged in the heat insulation cavity.

By adopting the technical scheme, the heat insulation performance in the heat insulation cavity can be further improved by utilizing the heat insulation filler.

Preferably, the flange plates are arranged at two ends of the body respectively, the mounting rings are welded on the flange plates and are embedded into the heat insulation cavities, and mounting assemblies are arranged between the mounting rings and the body.

Through adopting above-mentioned technical scheme, utilize collar and installation component, can be more convenient install the ring flange on the both ends of bellows body, and the ring flange after the installation also can be very firm.

Preferably, the mounting assembly comprises a plurality of bolts and nuts, mounting holes are formed in the outer tube body, the inner tube body and the mounting ring, and the bolts penetrate through the mounting holes and are in threaded connection with the nuts.

Through adopting above-mentioned technical scheme, utilize bolt, nut and mounting hole, can be with the firm both ends of fixing the bellows of ring flange to installation convenient operation.

Preferably, the supporting block and the mounting ring are both made of high manganese steel.

By adopting the technical scheme, because the supporting block and the mounting ring are both made of high manganese steel, and the high manganese steel has the characteristics of high strength and low heat conductivity coefficient, the supporting block can prevent heat from rapidly losing from the supporting block while supporting the heat insulation cavity, and the mounting ring can seal the two sides of the heat insulation cavity while finishing the installation of the flange plate, and prevent the heat from losing from the two sides, thereby achieving better anti-freezing effect.

Preferably, the heat-insulating filler is high-strength glass fiber yarns.

Through adopting above-mentioned technical scheme, utilize high strength glass fiber silk, it has higher modulus and compressive coefficient, and its coefficient of heat conductivity is also lower, consequently has better heat preservation effect, can further promote the freeze proof performance of bellows.

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

the body of bellows sets up to constitute by outer body and interior body to set up the supporting shoe between the two, thereby make to form the heat insulating layer that has the effect of preventing frostbite of insulating against heat between the two, and be provided with the heat preservation filler in the heat insulating layer, can further strengthen frostproofing performance, and the supporting shoe can strengthen the compressive strength of bellows, makes the life of bellows more permanent. Compared with the prior art, the anti-freezing device has more effective anti-freezing performance, can ensure the transportation efficiency of the corrugated pipe, and simultaneously avoids potential safety hazards caused by freezing.

Drawings

FIG. 1 is a schematic sectional view of an anti-freezing high-strength bellows of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Reference numerals: 1. a body; 2. an outer tubular body; 3. an inner tube body; 4. a thermal insulation cavity; 5. a supporting block; 6. a heat-insulating filler; 7. a flange plate; 8. a mounting ring; 9. a bolt; 10. and a nut.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. 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.

As shown in fig. 1 and 2, an anti-freezing high-strength corrugated pipe comprises a body 1, wherein the body 1 further comprises an outer pipe body 2 and an inner pipe body 3, the outer pipe body 2 is sleeved on the inner pipe body 3, a plurality of supporting blocks 5 are arranged between the two pipe bodies, the supporting blocks 5 are uniformly distributed, and two ends of the supporting blocks 5 are welded with the outer pipe body 2 and the inner pipe body 3 respectively, so that the outer pipe body 2 is fixed with the inner pipe body 3 through the supporting blocks 5. The supporting blocks 5 are respectively positioned at the wave crests and the wave troughs of the body 1, so that the compressive strength of the body 1 is improved, no matter the impact force from the inside or the outside is absorbed by the supporting blocks 5, and the service life of the body 1 is prolonged.

Because of the supporting effect of the supporting block 5, a heat insulation cavity 4 can be formed between the outer pipe body 2 and the inner pipe body 3, no-flow air can be formed inside the heat insulation cavity 4, the heat conduction coefficient of the air is extremely low, the heat insulation and anti-freezing effects can be achieved, the speed of conducting heat outwards inside the body 1 is greatly reduced, the supporting block 5 is made of high manganese steel, the initial hardness of the supporting block is about 200HBW, and the supporting block can reach 800-900HBW after impact. Under the action of large impact load or large contact stress, the surface layer of the high manganese steel is hardened, the surface hardness is rapidly improved to be more than HB700 from HB200, so that a high-wear-resistant surface layer is generated, and the austenite of the inner layer of the steel plate still keeps good impact toughness, so that the impact resistance of the body 1 can be greatly improved. The high manganese steel has very low heat conductivity coefficient, so that the strength of the body 1 is improved, the temperature inside the body 1 can be prevented from rapidly losing from the supporting block 5, and the anti-freezing performance of the body 1 is ensured. And the heat insulation cavity 4 is also internally provided with a heat insulation filler 6 which adopts high-strength glass fiber yarns, and the high-strength glass fiber has the characteristics of high strength and high modulus, the single fiber tensile strength of the high-strength glass fiber is 2800MPa, and the elastic modulus of the high-strength glass fiber is 86000MPa, so that the strength of the body 1 can be further improved, and the heat conductivity coefficient of the high-strength glass fiber is also lower, so that the high-strength glass fiber has a good heat insulation effect, and the anti-freezing performance of the body 1 can be further improved.

All be provided with ring flange 7 on the both ends of body 1, and the welding has collar 8 on one side of ring flange 7, when collar 7 is installed, can imbed collar 8 to heat-insulating chamber 4 from the both sides of body 1 in, and utilize the installation component that sets up between collar 8 and the body 1 to install on body 1, collar 8 will seal heat-insulating chamber 4's both ends this moment, and collar 8 is also made by high manganese steel, consequently can prevent that the heat in the body 1 from running off rapidly from heat-insulating chamber 4's both sides. The mounting assembly comprises a plurality of bolts 9 and nuts 10, a plurality of mounting holes are formed in the outer pipe body 2, the inner pipe body 3 and the mounting ring 8, and after the three layers of mounting holes are aligned, the bolts 9 can penetrate through the mounting holes and are in threaded connection with the nuts 10, so that the flange plate 7 is mounted on the body 1 and is very stable after being mounted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high-strength bellows prevents frostbite, includes body (1), its characterized in that: the body (1) comprises an outer body (2) and an inner body (3), the outer body (2) is sleeved on the inner body (3), a heat insulation cavity (4) is formed between the outer body (2) and the inner body (3), a plurality of supporting blocks (5) are arranged in the heat insulation cavity (4), the supporting blocks (5) are respectively arranged at wave crests and wave troughs between the outer body (2) and the inner body (3), and two ends of the supporting blocks (5) are respectively welded with the outer body (2) and the inner body (3).

2. The antifreeze high-strength corrugated pipe according to claim 1, wherein: and a heat insulation filler (6) is arranged in the heat insulation cavity (4).

3. The antifreeze high-strength corrugated pipe according to claim 1, wherein: all be provided with ring flange (7) on the both ends of body (1), the welding has collar (8) on ring flange (7), collar (8) are embedded into heat-insulating chamber (4), be provided with the installation component between collar (8) and body (1).

4. The antifreeze high-strength corrugated pipe according to claim 3, wherein: the mounting assembly comprises a plurality of bolts (9) and nuts (10), mounting holes are formed in the outer pipe body (2), the inner pipe body (3) and the mounting ring (8), and the bolts (9) penetrate through the mounting holes and are in threaded connection with the nuts (10).

5. The antifreeze high-strength corrugated pipe according to claim 3, wherein: the supporting block (5) and the mounting ring (8) are both made of high manganese steel.

6. The antifreeze high-strength corrugated pipe according to claim 2, wherein: the heat-insulating filler (6) is made of high-strength glass fiber yarns.