CN219734609U - Graphite compensator - Google Patents

Abstract

The utility model discloses a graphite compensator, which comprises a graphite corrugated pipe and connecting flanges fixedly arranged at two ends of the graphite corrugated pipe, wherein an assembling insertion cylinder is fixedly arranged at the outer sides of the two connecting flanges, a hidden groove is formed at the outer side of the assembling insertion cylinder, an air bag ring is connected in a clamping manner in the hidden groove, an air duct is fixedly arranged at the bottom of the air bag ring, an air valve body is fixedly arranged at the bottom end of the air duct in a penetrating manner through the connecting flanges, and a sealing gasket is sleeved at the joint of the assembling insertion cylinder and the connecting flanges.

Description

Graphite compensator

Technical Field

The utility model relates to the technical field of graphite compensators, in particular to a graphite compensator.

Background

The graphite compensator is also called expansion joint, which is a flexible element capable of effectively compensating axial deformation, and can compensate thermal expansion difference of the tube and the shell due to different wall temperatures, and reduce axial load of the tube and the shell, so as to reduce temperature difference stress of the tube, the tube plate and the shell, and avoid causing strength damage, instability damage and tube pull-out damage. The graphite compensator is mainly composed of a graphite corrugated pipe and connecting flanges arranged at two ends of the corrugated pipe, and is installed at the end parts of two sections of pipelines through the connecting flanges when in use, and axial compensation is carried out through the corrugated pipe.

Through retrieving finding, application number is 202220273545. X's a graphite compensator, including graphite bellows, the both ends of graphite bellows are fixed respectively and are provided with front end housing and rear end housing, and be the flexible bearing assembly that is a plurality of be used for supporting graphite bellows of annular array structure between the outer fringe face of front end housing and rear end housing, flexible bearing assembly includes two supporting seats of constructing on front end housing and rear end housing one side respectively, has all offered the round hole that supplies guide structure fixed mounting in two supporting seats, and the both ends of guide structure all overlap and are equipped with compound spring, two compound spring respectively fixed connection in two the looks back of supporting seat, this kind of graphite compensator has promoted the life of this compensator while having improved the compensation effect of this compensator although possessing great flexible stroke and removal direction function. However, applicant believes that this common type of graphite compensator suffers from the following disadvantages:

the end of the graphite compensator only depends on the flange ring to connect the pipeline, and the long-term expansion and contraction of the compensator deform, so that the connection of the ports of the compensator is easy to generate gaps, and the problem of pipeline leakage is easy to occur.

Disclosure of Invention

The utility model aims to provide a graphite compensator, which solves the problems that the prior graphite compensator has poor tightness of a connecting port and is easy to leak in a pipeline.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the graphite compensator comprises a graphite corrugated pipe and connecting flanges fixedly arranged at two ends of the graphite corrugated pipe, wherein an assembling inserting cylinder is fixedly arranged at the outer sides of the two connecting flanges, a hidden groove is formed in the outer side of the assembling inserting cylinder, an air bag ring is connected with the inner clamping of the hidden groove in a clamping mode, an air duct is fixedly arranged at the bottom of the air bag ring, an air valve body is fixedly arranged at the bottom end of the air duct in a penetrating mode through the connecting flanges, and a sealing gasket is sleeved at the joint of the assembling inserting cylinder and the connecting flanges; through add the equipment at the tip of compensator and insert a section of thick bamboo, can insert the tip of pipeline when the installation to rely on gasbag ring and sealing washer to carry out holistic sealing, make the junction gas tightness of graphite compensator and pipeline better, connect more stably, in long-term use, be difficult for producing the gap, the pipeline leaks the probability lower.

Preferably, the periphery of the connecting flange is fixedly provided with uniformly distributed connecting supports, the surface of each connecting support is provided with a perforation, and a limit stay bar is arranged between the two opposite perforations, so that the structural strength of the compensator is improved.

Preferably, the two ends of the limit stay bar are respectively provided with a threaded part, and the threaded parts penetrate through the through holes to be connected with adjusting nuts in a threaded manner, so that the limit stay bar can be flexibly adjusted and used.

Preferably, the air bag ring is in a wave ring shape, the contact area between the air bag ring and the inner wall of the pipeline is more sufficient, gaps are not easy to generate in the long-term use process, and the pipeline leakage probability is lower.

Preferably, the surface of the connecting flange is provided with uniformly distributed fastening screw holes, so that the connecting flange can be quickly installed and used.

Preferably, the inside wall of graphite bellows is fixed to be provided with the reinforcement inside lining, and the inside of graphite bellows is equipped with the inside lining, and the liquid circulation is stable, and structural strength is higher.

Compared with the prior art, the utility model has the beneficial effects that: according to the graphite compensator, the assembling plug tube is additionally arranged at the end part of the compensator, the end part of the pipeline can be inserted in the process of installation, and the integral sealing is carried out by means of the air bag ring and the sealing gasket, so that the connection part of the graphite compensator and the pipeline is better in air tightness, more stable in connection, less prone to gaps in the long-term use process, lower in pipeline leakage probability, stable in deformation and long in service life.

Drawings

FIG. 1 is a schematic diagram of a graphite compensator of the present utility model;

FIG. 2 is a schematic view of an assembled cartridge of the present utility model;

FIG. 3 is a schematic view of a limit stay bar according to the present utility model;

fig. 4 is an enlarged view of a portion a of the present utility model.

In the figure: 1. a graphite bellows; 2. a limit stay bar; 3. a connecting flange; 4. fastening the screw hole; 5. the connecting support is connected; 6. a sealing gasket; 7. assembling the insertion barrel; 8. an air bag ring; 9. hiding the groove; 10. an adjusting nut; 11. an air duct; 12. an air valve body; 13. a threaded portion; 14. perforating; 15. the liner is reinforced.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a graphite compensator, which comprises a graphite corrugated pipe 1 and connecting flanges 3 fixedly arranged at two ends of the graphite corrugated pipe 1, wherein the outer sides of the two connecting flanges 3 are fixedly provided with assembling inserting cylinders 7, the outer sides of the assembling inserting cylinders 7 are provided with hidden grooves 9, the inner parts of the hidden grooves 9 are connected with air bag rings 8 in a clamping manner, the bottoms of the air bag rings 8 are fixedly provided with air guide pipes 11, the bottom ends of the air guide pipes 11 penetrate through the connecting flanges 3 and are fixedly provided with air valve bodies 12, the connecting parts of the assembling inserting cylinders 7 and the connecting flanges 3 are sleeved with sealing gaskets 6, the air bag rings 8 are in wave ring shapes, the surfaces of the connecting flanges 3 are provided with uniformly distributed fastening screw holes 4, and the inner side walls of the graphite corrugated pipe 1 are fixedly provided with reinforcing inner liners 15;

when the novel pipe joint is used, the assembling plug tube 7 is just opposite to the pipe end, the novel pipe joint is inserted into a pipe, after the novel pipe joint is inserted, bolts sequentially penetrate through the fastening screw holes 4, the graphite compensator is fixed by the aid of the connecting flange 3, two ends of the graphite compensator are fixed in the same mode, then the air duct 11 inflates the air bag ring 8, air flow can jack the air bag ring 8, accordingly tightness of the assembling plug tube 7 and the pipe section is improved, the air valve body 12 is closed, the novel pipe joint is convenient to install and use, gaps are not easy to generate in the long-term use process, the probability of leakage of the pipe is lower, the deformation is stable, and the service life is long.

Referring to fig. 1 and 3, further, a uniformly distributed connection support 5 is fixedly arranged at the periphery of the connection flange 3, through holes 14 are formed in the surface of the connection support 5, a limit stay bar 2 is arranged between the two through holes 14 which are opposite to each other, threaded portions 13 are arranged at two ends of the limit stay bar 2, and the threaded portions 13 penetrate through the through holes 14 and are in threaded connection with an adjusting nut 10;

during the use, staff accessible twists adjusting nut 10 to adjust the flexible volume of graphite bellows 1, can be used to control the biggest flexible volume of graphite bellows 1, avoid the excessive flexible probability that appears damaging of graphite bellows 1, safe and stable, practical reliable.

When the embodiment of the utility model is used, the following steps are adopted: taking out the graphite compensator with the same pipe diameter, leading the assembled inserting cylinder 7 to be opposite to the pipe end, inserting the graphite compensator into a pipeline, penetrating the fastening screw holes 4 in sequence by using bolts after inserting the graphite compensator, fixing the graphite compensator by using the connecting flange 3, fixing the other end of the graphite compensator in the same mode, then using the inflating equipment to inflate the air bag ring 8 by the air duct 11, and enabling the air flow to jack up the air bag ring 8, thereby increasing the tightness of the assembled inserting cylinder 7 and the pipe section, closing the air valve body 12, adopting an inserting type mounting mode, matching the air bag ring 8 and the sealing gasket 6 to seal the joint, and having obvious integral sealing effect and practicality and stability.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a graphite compensator, includes graphite bellows (1) and fixed flange (3) that set up at graphite bellows (1) both ends, its characterized in that: two the outside of flange (3) is all fixed and is provided with equipment and inserts a section of thick bamboo (7), the outside of equipment is inserted a section of thick bamboo (7) is seted up and is hidden recess (9), the inside block of hiding recess (9) is connected with gasbag ring (8), the bottom fixed mounting of gasbag ring (8) has air duct (11), flange (3) fixed mounting has air valve body (12) are worn out to the bottom of air duct (11), the junction cover of equipment insertion a section of thick bamboo (7) and flange (3) is equipped with sealing washer (6).

2. A graphite compensator according to claim 1, wherein: the periphery of the connecting flange (3) is fixedly provided with uniformly distributed connecting supports (5), the surface of each connecting support (5) is provided with a through hole (14), and a limit stay bar (2) is arranged between the two through holes (14) which are opposite to each other.

3. A graphite compensator according to claim 2, wherein: both ends of the limit stay bar (2) are provided with threaded parts (13), and the threaded parts (13) penetrate through the through holes (14) and are in threaded connection with adjusting nuts (10).

4. A graphite compensator according to claim 1, wherein: the air bag ring (8) is arranged in a wave ring shape.

5. A graphite compensator according to claim 1, wherein: the surface of the connecting flange (3) is provided with uniformly distributed fastening screw holes (4).

6. A graphite compensator according to claim 1, wherein: the inner side wall of the graphite corrugated pipe (1) is fixedly provided with a reinforcing lining (15).