CN214331854U

CN214331854U - Dynamic sealing structure of sleeve compensator

Info

Publication number: CN214331854U
Application number: CN202120168218.3U
Authority: CN
Inventors: 张海利; 王全利; 刘军
Original assignee: Qingdao Donghua Energy Sources Equipment Manufacture Co ltd
Current assignee: Qingdao Donghua Energy Sources Equipment Manufacture Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-01
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a dynamic seal structure of a sleeve compensator, which belongs to the field of sleeve compensators and comprises a protective box, wherein the front of the protective box is fixedly hinged with a hinge, the front of the protective box is fixedly hinged with a box door through the hinge, the left side surface and the right side surface of the protective box are both provided with pipeline holes, the inner bottom wall of the protective box is fixedly connected with a supporting seat, the upper surface of the supporting seat is fixedly connected with an outer sleeve, and the right end of the outer sleeve is fixedly connected with a first connecting flange; through being provided with the protective housing, can prevent impurity or dust from getting into the inside of sleeve compensator at the flexible in-process of compensator, avoid impurity to get into the inside of sleeve compensator, not only influence the sealed effect of compensator, also shortened compensator life's problem, through being provided with chamber door cooperation protective housing, can be in the protective sleeve compensator, the staff of being convenient for overhauls or installs, play the effect that makes things convenient for the staff to install and use and overhaul.

Description

Dynamic sealing structure of sleeve compensator

Technical Field

The utility model belongs to the technical field of the sleeve compensator, concretely relates to sleeve compensator dynamic seal structure.

Background

The sleeve compensator is directly installed in any pipeline for conveying non-corrosive unidirectional or multidirectional fluid, and is widely used in the conveying pipelines of industries such as town heating, metallurgy, mine, power generation, petrochemical engineering, building and the like, and mainly comprises a sleeve, a shell, sealing materials and the like, wherein the sleeve compensator can change along with the change of the internal pressure of the pipeline in use, but the conventional sleeve usually leaks outside, impurities are easily caused to enter the interior of the sleeve compensator in the expansion process, so that the sealing effect of the compensator is influenced, the service life of the compensator is shortened, the return stroke of the sleeve is difficult, and the sleeve cannot better adapt to the change of the internal pressure of the pipeline, to this end, we provide a dynamic seal configuration for a sleeve compensator to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sleeve compensator dynamic seal structure 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: a dynamic sealing structure of a sleeve compensator comprises a protective box, wherein a hinge is fixedly hinged to the front of the protective box, a box door is fixedly hinged to the front of the protective box through the hinge, pipeline holes are formed in the left side surface and the right side surface of the protective box, a supporting seat is fixedly connected to the inner bottom wall of the protective box, an outer sleeve is fixedly connected to the upper surface of the supporting seat, a first connecting flange is fixedly connected to the right end of the outer sleeve, a sliding groove is formed in the inner wall of the outer sleeve, a sliding ring is clamped in the sliding groove, an inner sleeve is clamped in the outer sleeve, the right end of the inner sleeve is fixedly connected with the left side surface of the sliding ring, a second connecting flange is fixedly connected to the left end of the inner sleeve, connecting through holes which are arranged at equal intervals are formed in the right side surface of the first connecting flange and the right side surface of the second connecting flange, and symmetrical spring plates are fixedly connected to the inner side wall of the sliding groove, every the equal fixedly connected with compression spring of right flank of spring plate, every the equal fixedly connected with protection pad of compression spring's right-hand member, every the right flank of protection pad all contacts with the left surface of slip ring.

As a preferred embodiment, two sets of symmetrical supporting blocks are fixedly connected to the bottom surface of the protective box, and a bottom plate is fixedly connected to the bottom surface of each set of supporting blocks.

As a preferred embodiment, the left and right sides of the supporting seat are fixedly connected with fixing blocks, and the bottom surface of each fixing block is fixedly connected with the inner bottom wall of the protective box.

As a preferred embodiment, the upper surface of the protective box is provided with at least three air holes which are arranged at equal intervals.

In a preferred embodiment, the outer surface of the inner sleeve is sleeved with a sealing ring, and the right side surface of the sealing ring is fixedly connected with the left end of the outer sleeve.

As a preferred embodiment, a handle is fixedly connected to the front surface of the box door, and anti-slip threads are formed on the outer surface of the handle.

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

according to the movable sealing structure of the sleeve compensator, impurities or dust can be prevented from entering the sleeve compensator in the telescopic process of the compensator by arranging the protective box, so that the impurities are prevented from entering the sleeve compensator, the sealing effect of the compensator is not affected, and the service life of the compensator is also shortened;

this sleeve compensator dynamic seal structure through being provided with spout cooperation slip ring, can further fixed inner skleeve when sealing connection department, avoids the inner skleeve because intraductal pressure is too big, leads to the inner skleeve landing to cause unnecessary problem of loss, through being provided with spring plate cooperation compression spring, protection pad, slip ring and spout, can help the inner skleeve to carry out the return stroke when intraductal pressure ratio is lower, avoids telescopic return stroke comparatively difficult, the problem that adaptation intraductal pressure that can not be better changes.

Drawings

FIG. 1 is a cross-sectional view of the front view of the protective housing of the present invention;

FIG. 2 is a front view of the door of the present invention;

FIG. 3 is a side view of the protective case of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a protective box; 2. an inner sleeve; 3. a fixed block; 4. a slip ring; 5. a supporting seat; 6. an outer sleeve; 7. a base plate; 8. a support block; 9. a first connecting flange; 10. a pipe bore; 11. a connecting through hole; 12. a chute; 13. a seal ring; 14. air holes are formed; 15. a second connecting flange; 16. a hinge; 17. a box door; 18. a handle; 19. a spring plate; 20. a compression spring; 21. a protective pad.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the utility model provides a dynamic seal structure of sleeve compensator, which comprises a protective box 1, wherein two sets of symmetrical supporting blocks 8 are fixedly connected to the bottom surface of the protective box 1, a bottom plate 7 is fixedly connected to the bottom surface of each set of supporting block 8, the protective box 1 can be stabilized, the protective box 1 can be placed more firmly, the upper surface of the protective box 1 is provided with air holes 14 which are arranged equidistantly, the number of the air holes 14 is at least three, the interior of the protective box 1 can be ventilated and radiated, the problem that the temperature inside the protective box 1 is too high and the sealing effect is affected is avoided, the front of the protective box 1 is fixedly hinged with a hinge 16, the front of the protective box 1 is fixedly hinged with a box door 17 through the hinge 16, the front of the box door 17 is fixedly connected with a handle 18, the outer surface of the handle 18 is provided with anti-skid lines, the box door 17 can be opened rapidly, and the maintenance of workers is facilitated, pipeline hole 10 has all been seted up to the left and right sides face of protective housing 1, the interior diapire fixedly connected with supporting seat 5 of protective housing 1, the equal fixedly connected with fixed block 3 of the left and right sides face of supporting seat 5, the bottom surface of every fixed block 3 all with the interior diapire fixed connection of protective housing 1, can consolidate supporting seat 5, play the better effect of supporting seat 5 bearing capacity.

The upper surface of the supporting seat 5 is fixedly connected with an outer sleeve 6, the right end of the outer sleeve 6 is fixedly connected with a first connecting flange 9, the inner wall of the outer sleeve 6 is provided with a chute 12, the inside of the chute 12 is clamped with a sliding ring 4, the inside of the outer sleeve 6 is clamped with an inner sleeve 2, the outer surface of the inner sleeve 2 is sleeved with a sealing ring 13, the right side surface of the sealing ring 13 is fixedly connected with the left end of the outer sleeve 6, the sealing performance can be improved, and a better sealing effect is achieved, the right end of the inner sleeve 2 is fixedly connected with the left side surface of the sliding ring 4, the left end of the inner sleeve 2 is fixedly connected with a second connecting flange 15, the right side surface of the first connecting flange 9 and the right side surface of the second connecting flange 15 are both provided with connecting through holes 11 which are arranged at equal intervals, the inner side wall of the chute 12 is fixedly connected with symmetrical spring plates 19, and the right side surface of each spring plate 19 is fixedly connected with a compression spring 20, the right end of each compression spring 20 is fixedly connected with a protection pad 21, and the right side surface of each protection pad 21 is in contact with the left side surface of the sliding ring 4.

The utility model discloses a theory of operation and use flow: firstly, the pipeline is connected with the inner sleeve 2 and the outer sleeve 6 through the pipeline hole 10, unnecessary economic loss caused by the spraying of liquid in the pipeline from a gap due to overlarge pressure can be prevented by utilizing the first connecting flange 9 and the second connecting flange 15, the installation and the maintenance of workers can be facilitated by utilizing the protection box 1 and the box door 17 while impurity dust is prevented from entering the connecting gap between the inner sleeve 2 and the outer sleeve 6, when the pressure in the pipeline is overlarge pressure, the sliding ring 4 can be pushed to move leftwards, when the sliding ring 4 moves leftwards, the protection pad 21 can be pressed to move leftwards, when the protection pad 21 moves leftwards, the compression spring 20 can be pressed to contract, when the compression spring 20 contracts, compensation work can be carried out, when the pressure in the pipeline is gradually reduced, the compression spring 20 can help the inner sleeve 2 to return, it is difficult to prevent the inner sleeve 2 from returning and it is not possible to adapt to the change of the pressure in the tube.

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. The utility model provides a sleeve compensator dynamic seal structure, includes protective housing (1), its characterized in that: the protective box comprises a protective box (1), a hinge (16) is fixedly hinged to the front of the protective box (1), a box door (17) is fixedly hinged to the front of the protective box (1) through the hinge (16), pipeline holes (10) are formed in the left side surface and the right side surface of the protective box (1), a supporting seat (5) is fixedly connected to the inner bottom wall of the protective box (1), an outer sleeve (6) is fixedly connected to the upper surface of the supporting seat (5), a first connecting flange (9) is fixedly connected to the right end of the outer sleeve (6), a sliding groove (12) is formed in the inner wall of the outer sleeve (6), a sliding ring (4) is clamped inside the sliding groove (12), an inner sleeve (2) is clamped inside the outer sleeve (6), the right end of the inner sleeve (2) is fixedly connected to the left side surface of the sliding ring (4), and a second connecting flange (15) is fixedly connected to the left end of the inner sleeve (2), connecting hole (11) that the equidistance was arranged are all seted up to the right flank of first flange (9) and the right flank of second flange (15), the symmetrical spring board (19) of inside wall fixedly connected with of spout (12), every the equal fixedly connected with compression spring (20) of right flank of spring board (19), every the equal fixedly connected with protection of right-hand member of compression spring (20) fills up (21), every the right flank of protection pad (21) all contacts with the left surface of slip ring (4).

2. The sleeve compensator dynamic seal configuration of claim 1, wherein: the bottom surface of the protective box (1) is fixedly connected with two groups of symmetrical supporting blocks (8), and the bottom surface of each group of supporting blocks (8) is fixedly connected with a bottom plate (7).

3. The sleeve compensator dynamic seal configuration of claim 1, wherein: the equal fixedly connected with fixed block (3) of the left and right sides face of supporting seat (5), every the bottom surface of fixed block (3) all with the interior diapire fixed connection of protective housing (1).

4. The sleeve compensator dynamic seal configuration of claim 1, wherein: the upper surface of the protective box (1) is provided with at least three air holes (14) which are arranged at equal intervals, and the number of the air holes (14) is at least three.

5. The sleeve compensator dynamic seal configuration of claim 1, wherein: the outer surface cover of inner skleeve (2) is equipped with sealing ring (13), the right flank of sealing ring (13) and the left end fixed connection of outer skleeve (6).

6. The sleeve compensator dynamic seal configuration of claim 1, wherein: the front surface of the box door (17) is fixedly connected with a handle (18), and the outer surface of the handle (18) is provided with anti-skid grains.