CN218822915U

CN218822915U - Corrugated pipe with water jacket

Info

Publication number: CN218822915U
Application number: CN202222760292.1U
Authority: CN
Inventors: 吴翌峰
Original assignee: Hunan Unisky Equipment & Engineering Co ltd
Current assignee: Hunan Unisky Equipment & Engineering Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-04-07
Anticipated expiration: 2032-10-20

Abstract

The utility model belongs to the technical field of corrugated pipes, and discloses a corrugated pipe with a water jacket, which comprises a corrugated pipe group, wherein annular connecting plates are arranged at two ends of the corrugated pipe group; the corrugated pipe group comprises a corrugated outer pipe and a corrugated inner pipe arranged in the corrugated outer pipe, and a cavity for storing cooling liquid is arranged between the corrugated outer pipe and the corrugated inner pipe; the both ends of bellows group all are fixed with the shrouding, the center of annular connecting plate is equipped with logical groove, the caulking groove has been seted up to the inner wall that leads to the groove, the shrouding is fixed in leading to groove and caulking groove, the utility model discloses two-layer bellows in setting up, and including outer between two-layer the cavity intussuseption fill the coolant liquid, form water jacket structure, when using this bellows, through the cooling of water jacket, can promote the temperature that tolerates of bellows, also can prevent to melt granule adhesion bellows inner wall in sediment or the gas to promote the life of bellows, in addition, can also reduce inside outside heat radiation.

Description

Corrugated pipe with water jacket

Technical Field

The utility model belongs to the technical field of the bellows, concretely relates to take water jacket's bellows.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is widely applied to instruments and meters, is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, has a thin pipe wall and high sensitivity, and has a measuring range of dozens of Pa to dozens of MPa, and is mainly used for connecting a preceding stage vacuum pipeline under the environment of a high vacuum system.

In the use process of the traditional corrugated pipe, because the temperature is too high, the molten slag is easy to adhere to the inner wall of the corrugated pipe, so that the corrosion is generated to the pipeline, the service life is shortened, and the corrugated pipe with the water jacket is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take water jacket's bellows to solve the current bellows that proposes in the above-mentioned background art, because of the high temperature, melt the sediment and glue on the bellows inner wall easily, thereby easily produce the problem of corruption to the pipeline.

In order to achieve the above object, the utility model provides a following technical scheme: the corrugated pipe with the water jacket comprises a corrugated pipe group, wherein two ends of the corrugated pipe group are respectively provided with an annular connecting plate;

the corrugated pipe group comprises a corrugated outer pipe and a corrugated inner pipe arranged in the corrugated outer pipe, and a cavity for storing cooling liquid is arranged between the corrugated outer pipe and the corrugated inner pipe;

the both ends of bellows group all are fixed with the shrouding, the center of annular connecting plate is equipped with logical groove, the caulking groove has been seted up to the inner wall that leads to the groove, the shrouding is fixed in logical groove and caulking groove.

Preferably, the outer wall of the annular connecting plate is fixed with lugs, a threaded rod penetrates between every two lugs, a stop block is welded at one end of the threaded rod, and the other end of the outer wall of the threaded rod is connected with a nut in a screwing mode.

Preferably, one end of the corrugated outer pipe, which is close to the annular connecting plate, is provided with a leak hole, the outer end part of the leak hole is connected with a water replenishing pipe, and a valve is installed on the water replenishing pipe.

Preferably, a pipeline groove is formed in the annular connecting plate, and the water replenishing pipe penetrates through the pipeline groove.

Preferably, the outer wall of the annular connecting plate is provided with a shallow groove, the bottom inside the shallow groove is screwed and connected with a fastening screw, and the fastening screw is screwed and connected into the sealing plate.

Preferably, four lugs are arranged on each annular connecting plate, and four lugs are distributed in an annular array.

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

(1) The utility model discloses set up inside and outside two-layer bellows, and including the cavity intussuseption between two-layer intussuseption is filled with the coolant liquid, forms water jacket structure, when using this bellows, through the cooling of water jacket, can promote the temperature that tolerates of bellows, also can prevent to melt granule adhesion bellows inner wall in sediment or the gas to promote the life of bellows, in addition, can also reduce inside and outside heat radiation.

(2) The utility model discloses utilize the threaded rod to be in the periphery of bellows group, can change the interval between relative dog and the nut as required, can restrict the outside longest length of drawing of bellows group to avoid the bellows group to draw excessively outward and cause the bellows group impaired.

Drawings

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

FIG. 2 is an external view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a corrugated outer tube; 2. an annular connecting plate; 3. a threaded rod; 4. a lug; 5. a stopper; 6. a nut; 7. a water replenishing pipe; 8. a through groove; 9. caulking grooves; 10. a corrugated inner tube; 11. a cavity; 12. closing the plate; 13. fastening screws; 14. a leak hole; 15. a pipeline groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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, the present invention provides the following technical solutions: a water jacketed corrugated pipe comprising:

the two ends of the corrugated pipe group are provided with annular connecting plates 2;

the corrugated pipe group comprises a corrugated outer pipe 1 and a corrugated inner pipe 10 arranged in the corrugated outer pipe 1, and a cavity 11 for storing cooling liquid is arranged between the corrugated outer pipe 1 and the corrugated inner pipe 10;

both ends of bellows group all are fixed with shrouding 12, and the center of annular connecting plate 2 is equipped with logical groove 8, and the caulking groove 9 has been seted up to the inner wall that leads to groove 8, and shrouding 12 is fixed in leading to groove 8 and caulking groove 9, and the shallow slot has been seted up to the outer wall of annular connecting plate 2, and the inside bottom of shallow slot closes soon to be connected with fastening screw 13, and fastening screw 13 closes soon to be connected to in the shrouding 12.

Through the technical scheme:

when the corrugated pipe is used, the cooling liquid is filled in the cavities 11 of the corrugated outer pipe 1 and the corrugated inner pipe 10 to form a water jacket structure, and the tolerance temperature of the corrugated pipe can be increased by cooling through the water jacket; particles in the molten slag or gas can be prevented from being adhered to the inner wall of the corrugated pipe, so that the service life of the corrugated pipe is prolonged, and in addition, the heat radiation from inside to outside can be reduced;

wherein, when the installation bellows group, only need earlier with in shrouding 12 embedding logical groove 8 and caulking groove 9, then fasten screw 13 soon carry on spacing fastening can, simple to operate is swift.

Referring to fig. 2, lugs 4 are fixed on the outer wall of the annular connecting plate 2, a threaded rod 3 penetrates between the two lugs 4, a stop block 5 is welded at one end of the threaded rod 3, and a nut 6 is screwed at the other end of the outer wall of the threaded rod 3.

Through the technical scheme:

the threaded rod 3 is arranged on the periphery of the corrugated pipe group, the distance between the relative stop block 5 and the nut 6 can be changed as required, the longest length of the corrugated pipe group which is pulled outwards can be limited, and the corrugated pipe group is prevented from being damaged due to excessive pulling outwards.

Furthermore, four lugs 4 are arranged on each annular connecting plate 2, and the four lugs 4 are distributed in an annular array;

specifically, two relative lugs 4 are a set of, can realize four threaded rod 3 external fixation, can increase and hold annular connecting plate 2 from four points, and when avoiding bellows group flexible, annular connecting plate 2 takes place crooked.

Referring to fig. 1 and 3, a leak hole 14 is formed in one end of the corrugated outer pipe 1 close to the annular connecting plate 2, a water replenishing pipe 7 is connected to the outer end of the leak hole 14, and a valve is mounted on the water replenishing pipe 7.

Through the technical scheme:

when the cooling liquid in the cavity 11 is replaced, the valve on the water replenishing pipe 7 can be opened firstly, the cooling liquid is discharged through the water replenishing pipe 7, then new cooling liquid is injected into the cavity 11 through the water replenishing pipe 7, and the valve is closed after the replacement is completed, so that the replacement is convenient.

Furthermore, a pipeline groove 15 is formed in the annular connecting plate 2, and the water replenishing pipe 7 penetrates through the pipeline groove 15;

specifically, the water replenishing pipe 7 penetrates out of the pipeline groove 15, and the water replenishing pipe 7 can be protected to a certain extent by the aid of the annular connecting plate 2.

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

1. A corrugated pipe with a water jacket, comprising:

the two ends of the corrugated pipe group are provided with annular connecting plates (2);

the cooling system comprises a corrugated pipe group, a cooling system and a cooling system, wherein the corrugated pipe group comprises a corrugated outer pipe (1) and a corrugated inner pipe (10) arranged in the corrugated outer pipe (1), and a cavity (11) for storing cooling liquid is arranged between the corrugated outer pipe (1) and the corrugated inner pipe (10);

both ends of the corrugated pipe group are fixed with sealing plates (12), the center of the annular connecting plate (2) is provided with a through groove (8), the inner wall of the through groove (8) is provided with an embedded groove (9), and the sealing plates (12) are fixed in the through groove (8) and the embedded groove (9).

2. The water jacketed corrugated pipe according to claim 1, characterized in that: the outer wall of annular connecting plate (2) all is fixed with lug (4), and is relative two threaded rod (3) wear to be equipped with between lug (4), the one end welding of threaded rod (3) has dog (5), the outer wall other end of threaded rod (3) closes soon and is connected with nut (6).

3. The water jacketed corrugated pipe according to claim 2, characterized in that: one end of the corrugated outer pipe (1) close to the annular connecting plate (2) is provided with a leakage hole (14), the outer end part of the leakage hole (14) is connected with a water replenishing pipe (7), and a valve is installed on the water replenishing pipe (7).

4. The water jacketed corrugated pipe according to claim 3, characterized in that: a pipeline groove (15) is formed in the annular connecting plate (2), and the water replenishing pipe (7) penetrates through the pipeline groove (15).

5. The water jacketed corrugated pipe according to claim 4, characterized in that: shallow slots are formed in the outer wall of the annular connecting plate (2), fastening screws (13) are connected to the bottom of the inner portions of the shallow slots in a screwing mode, and the fastening screws (13) are connected into the sealing plate (12) in a screwing mode.

6. The water jacketed corrugated pipe according to claim 5, characterized in that: four lugs (4) are arranged on each annular connecting plate (2), and the four lugs (4) are distributed in an annular array.