CN211779542U

CN211779542U - High leakproofness rotary compensator

Info

Publication number: CN211779542U
Application number: CN201922285007.3U
Authority: CN
Inventors: 卢树军; 李春梅
Original assignee: Jiangsu Star Anticorrosion Technology Co ltd
Current assignee: Jiangsu Star Anticorrosion Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-27
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a high-tightness rotary compensator, which comprises an outer pipe and an inner pipe, wherein a first baffle ring and a second baffle ring are arranged between the outer pipe and the inner pipe, the first baffle ring and the second baffle ring are fixedly sleeved on the inner pipe, the adjacent ends are respectively provided with an extrusion ring, the two extrusion rings are respectively arranged on the inner pipe, a filling cavity is arranged between the two extrusion rings, sealing filler is arranged in the filling cavity, one side of the inner pipe, which is far away from the outer pipe, is sleeved with a gland, and the gland and the outer pipe are fixedly connected through a bolt, the utility model discloses a first baffle ring and a second baffle ring are arranged between the inner pipe and the outer pipe, the two baffle rings are respectively provided with an extrusion ring which is used for extruding the middle sealing filler, the first baffle ring and the second baffle plate ensure high tightness under the action of the equalizing force of the extrusion rings and the sealing filler, when the sealing filler is worn, the extrusion rings at the two ends correspondingly generate, so as to ensure the sealing effect of the device.

Description

High leakproofness rotary compensator

Technical Field

The utility model relates to an expansion joint technical field specifically is a high leakproofness rotary compensator.

Background

The expansion joint is a flexible structure arranged on a container shell or a pipeline for compensating additional stress caused by temperature difference and mechanical vibration, the structure of the rotary compensator generally comprises an outer cylinder and an inner cylinder, one end of the inner cylinder extends into the outer cylinder, a sealing filler is arranged between the outer cylinder and the inner cylinder, two sides of the sealing filler are clamped to enable the sealing filler to generate radial expansion, the position of the sealing filler relative to the outer cylinder is fixed, the inner cylinder and the outer cylinder can rotate relative to each other, and friction is generated between the inner cylinder and the sealing filler when the inner cylinder rotates, so that the sealing filler is abraded, and the sealing performance is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness rotation compensator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high leakproofness rotary compensator, includes outer tube and inner tube, be equipped with first fender ring and second fender ring between outer tube and the inner tube, and first fender ring and second keep off the equal fixed cover of ring and locate on the inner tube, the adjacent end that first fender ring and second kept off the ring all installs the extrusion ring, and two extrusion rings all install on the inner tube, two for filling the chamber between the extrusion ring, and fill the intracavity and be equipped with the packing, the inner tube is kept away from outer tube one side cover and is had the gland, and gland and outer tube pass through bolt fixed connection.

Preferably, first fender ring sum second keeps off the intra-annular and all is equipped with the ring chamber, and all is equipped with the inserted bar in two ring chambers, the inserted bar is ring array form along the ring chamber wall and distributes, install the spring on the inserted bar, and the spring keeps away from the one end of corresponding inserted bar and be fixed in corresponding ring chamber wall on, first fender ring sum second keeps off intra-annular inserted bar and all runs through corresponding ring chamber wall, and extends to corresponding fender ring outer end, is the inserted bar extension end fixed connection that array form distributes on same extrusion ring.

Preferably, the outer pipe wall of the inner pipe is provided with two limiting ring grooves, and the two extrusion rings are respectively sleeved on the groove walls of the two limiting ring grooves and slide along the groove walls of the corresponding limiting ring grooves.

Preferably, the two separated ends of the extrusion rings are fixedly provided with first rubber ring gaskets.

Preferably, the adjacent ends of the two squeezing rings are fixedly provided with second rubber ring gaskets.

Compared with the prior art, the beneficial effects of the utility model are that: through establish first fender ring and second fender ring between the inner and outer tube, and set up the extrusion ring that all extrudees middle part sealing filler on two fender rings, first fender ring and second baffle are under the balanced power effect of extrusion ring and sealing filler, guarantee the leakproofness of height, and the extrusion ring at both ends can correspondingly produce suitable aversion when sealing filler produces wearing and tearing to suitably fill up the vacancy, with the sealed effect of guaranteeing this device.

Drawings

Fig. 1 is a sectional structure view of the present invention.

In the figure: the sealing structure comprises an outer pipe 1, an inner pipe 2, a first blocking ring 3, a second blocking ring 4, a squeezing ring 5, a spring 6, an inserted rod 7, a first rubber ring gasket 8, a second rubber ring gasket 9, sealing packing 10, a gland 11 and a bolt 12.

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.

Referring to fig. 1, the present invention provides a technical solution: a high-sealing rotary compensator comprises an outer tube 1 and an inner tube 2, wherein a first baffle ring 3 and a second baffle ring 4 are arranged between the outer tube 1 and the inner tube 2, the first baffle ring 3 and the second baffle ring 4 are fixedly sleeved on the inner tube 2, extrusion rings 5 are respectively arranged at the adjacent ends of the first baffle ring 3 and the second baffle ring 4, the two extrusion rings 5 are respectively arranged on the inner tube 2, ring cavities are respectively arranged in the first baffle ring 3 and the second baffle ring 4, inserting rods 7 are respectively arranged in the two ring cavities, the inserting rods 7 are distributed along the ring cavity wall in an annular array shape, springs 6 are arranged on the inserting rods 7, one ends of the springs 6 far away from the corresponding inserting rods 7 are fixed on the corresponding ring cavity wall, the inserting rods 7 in the first baffle ring 3 and the second baffle ring 4 penetrate through the corresponding ring cavity wall and extend to the outer ends of the corresponding baffle rings, the inserting rods 7 fixedly distributed in an array shape extend to be connected to the same extrusion ring 5, under the extrusion action of the springs 6, the two pressing rings 5 are pressed against each other in adjacent directions to create an even force.

Two limiting ring grooves are formed in the outer pipe wall of the inner pipe 2, the two extrusion rings 5 are sleeved on the groove walls of the two limiting ring grooves respectively and slide along the groove walls of the corresponding limiting ring grooves, and when the sealing packing 10 is worn, the extrusion rings 5 at the two ends can correspondingly shift properly to fill in the gaps properly.

For filling the chamber between two extrusion rings 5, and fill the intracavity and be equipped with sealing filler 10, two extrusion rings 5 leave the equal fixed mounting in end and have first rubber ring pad 8, and the equal fixed mounting in 5 adjacent ends of two extrusion rings has second rubber ring pad 9, establishes the sealed effect of first rubber ring pad 8 and second rubber ring pad 9 assurance inside and outside pipe.

The inner tube 2 is sleeved with a gland 11 at one side far away from the outer tube 1, and the gland 11 is fixedly connected with the outer tube 1 through a bolt 12.

The working principle is as follows: through setting up first fender ring 3 and second fender ring 4 between the outer tube, and set up the extrusion ring 5 that all extrudees middle part sealing filler 10 on two fender rings, first fender ring 3 and second baffle 4 are under the balanced power effect of extrusion ring 5 and sealing filler 10, guarantee the leakproofness of height, when sealing filler 10 produced wearing and tearing, the extrusion at both ends, 5 can correspondingly produce suitable aversion to suitably fill up the vacancy, in order to guarantee the sealed effect of this device.

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 high leakproofness rotary compensator, includes outer tube (1) and inner tube (2), its characterized in that: be equipped with between outer tube (1) and inner tube (2) first fender ring (3) and second and keep off ring (4), and first fender ring (3) and second keep off ring (4) and all fix the cover and locate inner tube (2), extrusion ring (5) are all installed to the adjacent end that first fender ring (3) and second kept off ring (4), and just two extrusion ring (5) are all installed on inner tube (2), two for filling the chamber between extrusion ring (5), and fill the intracavity and be equipped with sealing filler (10), outer tube (1) one side cover is kept away from in inner tube (2) has gland (11), and gland (11) and outer tube (1) pass through bolt (12) fixed connection.

2. A high-tightness rotary compensator according to claim 1, characterized in that: first fender ring (3) and second keep off and all be equipped with the ring chamber in ring (4), and all be equipped with inserted bar (7) in two ring chambers, inserted bar (7) are ring array form along the ring chamber wall and distribute, install spring (6) on inserted bar (7), and spring (6) keep away from the one end of corresponding inserted bar (7) and be fixed in corresponding ring chamber wall on, corresponding ring chamber wall is all run through in inserted bar (7) of first fender ring (3) and second fender ring (4), and extends to corresponding fender ring outer end, is inserted bar (7) extension end fixed connection that array form distributes on same extrusion ring (5).

3. A high-tightness rotary compensator according to claim 1, characterized in that: and two limiting ring grooves are formed in the outer pipe wall of the inner pipe (2), and the extrusion rings (5) are sleeved on the groove walls of the two limiting ring grooves respectively and slide along the corresponding groove walls of the limiting ring grooves.

4. A high-tightness rotary compensator according to claim 1, characterized in that: two the end that the extrusion ring (5) leaves is equal fixed mounting has first rubber ring pad (8).

5. A high-tightness rotary compensator according to claim 1, characterized in that: and the adjacent ends of the two extrusion rings (5) are fixedly provided with second rubber ring gaskets (9).