CN211450018U

CN211450018U - Balanced internal and external pressure corrugated pipe compensator

Info

Publication number: CN211450018U
Application number: CN201922316497.9U
Authority: CN
Inventors: 赵长茂; 贺趁; 赵朝青; 孙聪辉; 赵朝纲; 尹小文; 赵朝华
Original assignee: Changmao Valve Group Co Ltd
Current assignee: Changmao Valve Group Co Ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-09-08
Anticipated expiration: 2029-12-21

Abstract

The utility model belongs to the technical field of the ripple compensator, especially for balanced inside and outside pressure bellows compensator, including end pipe and flexible pipe, be equipped with the internal wave connecting pipe at flexible pipe overcoat, be provided with the internal wave pipe on the internal wave connecting pipe, the external wave connecting pipe is overlapped outside the internal wave connecting pipe, is provided with the external wave pipe on the external wave connecting pipe, internal wave connecting pipe and external wave connecting pipe are connected through inside and outside connection pad, the inner of flexible pipe is connected with the internal wave connecting pipe, the inner of end pipe is connected with the external wave connecting pipe; the utility model discloses when bearing pipeline thrust, bellows are compression deformation in the flexible pipe drive, because interior bellows and outer bellows adopt inside and outside connection pad to connect, at this moment, the extension deformation is done to the rigid thrust of bellows in outer bellows receives, offsets interior bellows and receives the forced deformation of pipeline thrust, the deformation of bellows in the automatic balance, bellows and outer bellows in the effective protection, increase of service life.

Description

Balanced internal and external pressure corrugated pipe compensator

Technical Field

The utility model belongs to the technical field of the ripple compensator, concretely relates to inside and outside pressure bellows compensator of equilibrium.

Background

The corrugated compensator belongs to a compensation element, utilizes the effective telescopic deformation of a working main body corrugated pipe to absorb the size change of pipelines, conduits, containers and the like caused by expansion with heat and contraction with cold or compensate the axial, transverse and angular displacement of the pipelines, the conduits, the containers and the like, can also be used for noise reduction and vibration reduction, has wide application in modern industry, most of the existing corrugated compensators adopt the telescopic deformation of one layer of corrugation to absorb the size change of the pipelines, the compensation effect is poor, and the corrugated pipes or the pipelines are easily damaged.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a corrugated pipe compensator is pressed to inside and outside equilibrium has the effectual and long service life's of compensation characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: inside and outside pressure bellows compensator of equilibrium, including end pipe and flexible pipe, be equipped with the ripple connecting pipe in flexible pipe overcoat, be provided with interior ripple pipe on interior ripple connecting pipe, including ripple connecting pipe overcoat be equipped with the external wave connecting pipe, be provided with outer ripple pipe on the external wave connecting pipe, interior ripple connecting pipe and external wave connecting pipe are connected through inside and outside connection pad, the inner and the interior ripple connecting pipe of flexible pipe are connected, the inner and the external ripple connecting pipe of end pipe are connected.

Preferably, flanges are provided at the opposite outer ends of the end tube and the telescopic tube.

Preferably, the outer layer of the outer corrugated pipe is sleeved with an outer pipe.

Preferably, the one end department that is close to the end pipe on the outer tube is provided with the outer spacing dish of vertical, and the one end department that is close to the end pipe on the ripples connecting pipe is provided with the spacing dish in vertical, is provided with vertical outer end dish on the end pipe, and the one end department that is close to the end pipe on the ripples connecting pipe is provided with the inner end dish of vertical, outer end dish and inner end dish are located the both sides of outer spacing dish and interior spacing dish respectively.

Preferably, a guide cylinder is arranged between the inner corrugated pipe and the outer corrugated pipe, and the guide cylinder is fixedly connected to the inner end disc.

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

1. the utility model discloses a bellows and outer bellows in setting up, when bearing pipeline thrust, bellows are compression deformation in the flexible pipe drive, because interior bellows adopts inside and outside connection pad to connect with outer bellows, and at this moment, outer bellows is the extension deformation by the rigid thrust of interior bellows, offsets interior bellows and receives the forced deformation of pipeline thrust, and the deformation of the inside and outside bellows of automatic balance effectively protects interior bellows and outer bellows, increase of service life.

2. When the corrugated pipe stretches and deforms, the inner limiting disc and the outer limiting disc are limited by the outer end disc and the inner end disc to move, and the inner corrugated pipe and the outer corrugated pipe can be effectively prevented from deforming due to super-displacement and damaging.

3. The outer corrugated pipe is provided with the outer pipe, so that the outer corrugated pipe can be well protected and is not damaged by external force.

4. Through set up the guide cylinder between interior bellows and outer bellows, can prevent that interior bellows and outer bellows from causing the collision when flexible the deformation, influence normal use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of the cross section of the present invention;

in the figure: 1 flange, 2 end pipes, 3 outer end discs, 4 outer limiting discs, 5 inner limiting discs, 6 inner end discs, 7 inner corrugated connecting pipes, 8 inner corrugated pipes, 9 outer corrugated pipes, 10 guide cylinders, 11 outer pipes, 12 outer corrugated connecting pipes, 13 inner and outer connecting discs and 14 telescopic pipes.

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.

Examples

Referring to fig. 1-2, the present embodiment provides the following technical solutions: a balanced internal and external pressure corrugated pipe compensator comprises an end pipe 2 and an extension pipe 14, an internal corrugated pipe 7 is sleeved on the outer layer of the extension pipe 14, an internal corrugated pipe 8 is arranged on the internal corrugated pipe 7, an external corrugated pipe 12 is sleeved on the outer layer of the internal corrugated pipe 7, an external corrugated pipe 9 is arranged on the external corrugated pipe 12, the internal corrugated pipe 7 and the external corrugated pipe 12 are connected through an internal and external connecting disc 13, the inner end of the extension pipe 14 is connected with the internal corrugated pipe 7, the connection point of the extension pipe 14 and the internal corrugated pipe 7 and the connection point of the internal corrugated pipe 7 and the internal and external connecting disc 13 are respectively located at two ends of the internal corrugated pipe 7, the inner end of the end pipe 2 is connected with the external corrugated pipe 12, and the connection point of the external corrugated pipe 12 and the end pipe 2 and the connection point of the external corrugated pipe 12 and the internal and.

Specifically, flanges 1 are arranged at the outer ends of the end pipes 2 and the telescopic pipes 14, which are opposite to each other, and are used for being connected with a pipeline.

Specifically, the outer layer of the outer corrugated pipe 9 is sleeved with an outer pipe 11 for protecting the outer corrugated pipe 9 from being damaged by external force.

Specifically, a vertical outer limiting disc 4 is arranged at one end of the outer pipe 11 close to the end pipe 2, a vertical inner limiting disc 5 is arranged at one end of the inner wave connecting pipe 7 close to the end pipe 2, a channel for the outer wave connecting pipe 12 to move is formed in the outer limiting disc 4, the outer limiting disc 4 is sequentially connected with the outer pipe 11 from outside to inside, the inner wave connecting pipe 7 is connected with the telescopic pipe 14, a vertical outer end disc 3 is arranged on the end pipe 2, a vertical inner end disc 6 is arranged at one end of the outer wave connecting pipe 12 close to the end pipe 2, the outer end disc 3 and the inner end disc 6 are respectively located on two sides of the outer limiting disc 4 and the inner limiting disc 5, when the outer corrugated pipe 9 and the inner corrugated pipe 8 are in telescopic deformation, the inner limiting disc 5 and the outer limiting disc 4 are limited in displacement by the outer end disc 3 and the inner end disc 6, and the outer corrugated pipe 9 is prevented from being deformed in.

Specifically, a guide cylinder 10 is arranged between the inner corrugated pipe 8 and the outer corrugated pipe 9, and the guide cylinder 10 is fixedly connected to the inner end disc 6 to prevent the inner corrugated pipe 8 and the outer corrugated pipe 9 from colliding during telescopic deformation and affecting normal use.

The utility model discloses a theory of operation: the utility model discloses when using, when this bellows compensator bears pipeline thrust, bellows 8 is compression deformation in the flexible pipe 14 drives, because connection pad 13 is connected in interior bellows 8 and the outer bellows 9 adoption, at this moment, the extension deformation is done to the rigidity thrust that outer bellows 9 received interior bellows 8, offsets interior bellows 8 and receives the forced deformation of pipeline thrust, and the deformation of bellows 9 effectively protects the bellows, increase of service life inside and outside automatic balance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Inside and outside pressure bellows compensator of equilibrium, its characterized in that: including end pipe (2) and flexible pipe (14), the outer cover of flexible pipe (14) is equipped with interior ripples connecting pipe (7), is provided with interior ripple pipe (8) on interior ripples connecting pipe (7), and including outer cover of ripples connecting pipe (7) be equipped with outer ripples connecting pipe (12), be provided with outer ripple pipe (9) on outer ripples connecting pipe (12), interior ripples connecting pipe (7) and outer ripples connecting pipe (12) are connected through interior outer connection pad (13), the inner and interior ripples connecting pipe (7) of flexible pipe (14) are connected, the inner and outer ripples connecting pipe (12) of end pipe (2) are connected.

2. The balanced internal and external pressure bellows compensator of claim 1, wherein: flanges (1) are arranged at the outer ends of the end pipe (2) and the telescopic pipe (14).

3. The balanced internal and external pressure bellows compensator of claim 1, wherein: an outer pipe (11) is sleeved on the outer layer of the outer corrugated pipe (9).

4. The balanced inside-outside-pressure bellows compensator according to claim 3, characterized in that: one end department that is close to end pipe (2) on outer tube (11) is provided with outer spacing dish (4) vertical, and the one end department that is close to end pipe (2) on ripples connecting pipe (7) is provided with spacing dish (5) in vertical, is provided with outer vertical end dish (3) on end pipe (2), and the one end department that is close to end pipe (2) on ripples connecting pipe (12) outer is provided with inner vertical dish (6), outer end dish (3) and inner end dish (6) are located the both sides of outer spacing dish (4) and interior spacing dish (5) respectively.

5. The balanced internal and external pressure bellows compensator of claim 1, wherein: a guide cylinder (10) is arranged between the inner corrugated pipe (8) and the outer corrugated pipe (9), and the guide cylinder (10) is fixedly connected to the inner end disc (6).