CN210510647U

CN210510647U - Direct-buried sleeve compensator

Info

Publication number: CN210510647U
Application number: CN201921106153.9U
Authority: CN
Inventors: 王鹏; 王晓兵; 丁玉红
Original assignee: Jiangsu Baoheng Pipe Fittings Co ltd
Current assignee: Jiangsu Baoheng Pipe Fittings Co ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-12
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a direct-burried sleeve compensator relates to pipeline under pressure component technical field. The flexible filling type filling device comprises an inner sleeve and an outer sleeve, wherein one end of the inner sleeve is positioned in the outer sleeve, an inner guide ring is fixedly arranged outside the inner sleeve, a first sealing groove is formed in the outer side of the inner guide ring, an outer guide ring is fixedly arranged inside the outer sleeve, a second sealing groove is formed in the inner side of the outer guide ring, filling type flexible filling materials are filled in the first sealing groove and the second sealing groove, and a filling pipe is arranged in the middle of the outer guide ring. This direct-burried sleeve compensator through setting up interior guide ring, first seal groove, outer guide ring and second seal groove, has realized sealed effectual advantage, and the second seal groove of seting up through the first seal groove of seting up in the interior guide ring outside and outer guide ring inboard is mutually supported and is formed self sealedly cavity to pack in the cavity and annotate the flexible filler of formula of filling in order to realize sealed, simple structure, the degree of tightness is better, makes sealing performance more reliable.

Description

Direct-buried sleeve compensator

Technical Field

The utility model relates to a pipeline under pressure component technical field specifically is a direct-burried sleeve compensator.

Background

The sleeve compensator is used for compensating pipeline displacement caused by the change of medium temperature, the urban heat supply network has been laid in a trench mode in the past, and the development speed of the urban heat supply network is seriously influenced due to the defects of long construction period, high material consumption, large occupied area and high investment cost in the mode, in order to solve the problems, the direct-buried laying technology of the heat supply network is greatly developed, the most widely applied existing direct-buried pipe network is the corrugated pipe and the sleeve compensator, but the common sleeve compensator has the following defects:

1. in the prior art, although a common sleeve compensator has the advantages of large compensation capacity and no elastic force, the common sleeve compensator is sealed by a packing, so that the service life is short and the leakage is easy to occur;

2. in the prior art, although the compensator plays a good compensation role in expansion and contraction of the heat supply pipeline, when the compensator works frequently, the graphite powder filler added in the compensator is consumed, once the graphite powder filler is consumed to a certain amount, when the filler is not added, the expansion pipe is cracked or leaks due to other faults, and a heat source flows out in a large amount.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a direct-burried sleeve compensator possesses advantages such as sealed effectual, safe and reliable, has solved current adoption packing and has sealed, not only the life-span is low, easily leaks moreover, the relatively poor problem of fail safe nature.

(II) technical scheme

For realize above-mentioned sealed effectual, safe and reliable's purpose, the utility model provides a following technical scheme: the utility model provides a direct-burried sleeve compensator, includes inner skleeve and outer sleeve, the one end of inner skleeve is located the outer sleeve, the outside fixed mounting of inner skleeve has interior guide ring, the outside of interior guide ring is equipped with first groove, the inside fixed mounting of outer sleeve has outer guide ring, the inboard of outer guide ring is equipped with second groove, first groove and second groove intussuseption are packed with and are annotated the flexible filler of formula of filling, the middle part of outer guide ring is equipped with the filling pipe, the inside of filling pipe is equipped with the cock stem, the left end of inner skleeve has cup jointed flexible sealing ring, the inboard fixed mounting of the left end of outer sleeve has the clamping ring.

As a preferred technical scheme of the utility model, interior guide ring sets up in the fit clearance of inner skleeve and outer sleeve with outer guide ring, interior guide ring cup joints with outer guide ring mutually supporting.

As an optimal technical scheme of the utility model, first seal groove is the alternating expression with the second seal groove and mutually supports and form sealed cavity, the formula flexile packing is filled in the notes sets up in sealed cavity.

As an optimal technical scheme of the utility model, the outside that the outer guide ring was extended to the one end that outer guide ring was kept away from to the filler pipe, the filler pipe distributes in the upper and lower both ends of outer sleeve.

As an optimal technical scheme of the utility model, the left end of inner skleeve is equipped with the annular groove, flexible sealing ring sets up in the annular groove, and the position of flexible sealing ring and clamping ring is corresponding coincide.

As a preferred technical scheme of the utility model, the right-hand member fixed mounting of inner skleeve has the anticreep ring, the right-hand member of outer sleeve is equipped with the tail cover, the working surface coating of inner skleeve has chromium coating.

(III) advantageous effects

Compared with the prior art, the utility model provides a direct-burried sleeve compensator possesses following beneficial effect:

1. this direct-burried sleeve compensator through setting up interior guide ring, first seal groove, outer guide ring and second seal groove, has realized sealed effectual advantage, and the second seal groove of seting up through the first seal groove of seting up in the interior guide ring outside and outer guide ring inboard is mutually supported and is formed self sealedly cavity to pack in the cavity and annotate the flexible filler of formula of filling in order to realize sealed, simple structure, the degree of tightness is better, makes sealing performance more reliable.

2. This direct-burried sleeve compensator through setting up flexible sealing ring and clamping ring, has realized safe and reliable's advantage, can regard as supplementary sealed line of defence through the cooperation of flexible sealing ring with the clamping ring, and the guarantee heat medium does not flow outward, and external impurity and pipeline internal impurity are to the destruction of sealed face when preventing to bury the ground, have effectively ensured product safe and reliable, the normal clear on the guarantee use.

Drawings

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

fig. 2 is a schematic structural view of the inner guide ring of the present invention.

In the figure: 1. an inner sleeve; 2. an outer sleeve; 3. an inner guide ring; 4. a first sealing groove; 5. an outer guide ring; 6. a second sealing groove; 7. filling type flexible filler; 8. a filling pipe; 9. a plug; 10. a flexible sealing ring; 11. pressing a ring; 12. an annular groove; 13. the anti-drop ring; 14. and (4) a tail sleeve.

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. 1-2, a direct-buried sleeve compensator includes an inner sleeve 1 and an outer sleeve 2, one end of the inner sleeve 1 is located inside the outer sleeve 2, an inner guide ring 3 is fixedly installed outside the inner sleeve 1, a first sealing groove 4 is formed outside the inner guide ring 3, an outer guide ring 5 is fixedly installed inside the outer sleeve 2, a second sealing groove 6 is formed inside the outer guide ring 5, a self-sealing chamber is formed by the cooperation of the first sealing groove 4 formed outside the inner guide ring 3 and the second sealing groove 6 formed inside the outer guide ring 5, and an injection-type flexible filler 7 is filled in the chamber to realize sealing, the structure is simple, the sealing degree is good, the sealing performance is more reliable, the injection-type flexible filler 7 is filled in the first sealing groove 4 and the second sealing groove 6, the middle part of outer guide ring 5 is equipped with filler pipe 8, the inside of filler pipe 8 is equipped with stopper post 9, inner skleeve 1's left end has cup jointed flexible sealing ring 10, the inboard fixed mounting in left end of outer sleeve 2 has clamping ring 11, through setting up flexible sealing ring 10 and clamping ring 11, has realized safe and reliable's advantage, can regard as supplementary sealed line of defence through the cooperation of flexible sealing ring 10 with clamping ring 11, and the guarantee heat medium does not flow outward, prevents when burying ground external impurity and pipeline in impurity to the destruction of sealed face, has effectively ensured product safe and reliable, the normal clear on the guarantee use.

Specifically, the inner guide ring 3 and the outer guide ring 5 are arranged in a fit clearance between the inner sleeve 1 and the outer sleeve 2, and the inner guide ring 3 and the outer guide ring 5 are matched and sleeved with each other.

In this embodiment, the inner guide ring 3 and the outer guide ring 5 are matched with each other, so that the advantages of reliable sealing and long service life are achieved.

Specifically, the first sealing grooves 4 and the second sealing grooves 6 are staggered and matched with each other to form a sealing cavity, and the filling type flexible packing 7 is arranged in the sealing cavity.

In this embodiment, a self-sealing chamber is formed by the mutual matching of the first sealing groove 4 and the second sealing groove 6, and the filling type flexible filler 7 is filled in the chamber to realize sealing, so that the sealing performance is more reliable, and the filling type flexible filler 7 can be, but is not limited to, a soft graphite nickel wire filler and a graphite sealing filler.

Specifically, one end of the filling pipe 8, which is far away from the outer guide ring 5, extends out of the outer sleeve 2, and the filling pipe 8 is distributed at the upper end and the lower end of the outer sleeve 2.

In this embodiment, the filling type flexible filler 7 is injected into the sealed cavity where the inner guide ring 3 and the outer guide ring 5 are matched through the filling pipe 8.

Specifically, the left end of inner sleeve 1 is equipped with annular groove 12, flexible sealing ring 10 sets up in annular groove 12, and flexible sealing ring 10 is anastomotic with the position correspondence of clamping ring 11.

In this embodiment, the annular groove 12 is used for stabilizing and limiting the flexible sealing ring 10, and can be used as an auxiliary sealing line through the matching of the flexible sealing ring 10 and the pressing ring 11.

Specifically, the right end of the inner sleeve 1 is fixedly provided with an anti-drop ring 13, the right end of the outer sleeve 2 is provided with a tail sleeve 14, and the working surface of the inner sleeve 1 is coated with a chromium coating.

In this embodiment, the chromium plating layer provides the working surface of the inner sleeve 1 with good heat resistance and wear resistance.

The utility model discloses a theory of operation and use flow: when the pipeline expansion joint is used, when the pipeline expands and contracts, the inner sleeve 1 and the outer sleeve 2 of the compensator installed in the pipeline generate relative sliding, the expansion amount of the pipeline is compensated, a self-sealing cavity is formed by the mutual matching of a first sealing groove 4 formed in the outer side of the inner guide ring 3 and a second sealing groove 6 formed in the inner side of the outer guide ring 5, and the filled filling type flexible filler 7 is filled, so that the inner sleeve 1 and the outer sleeve 2 can be tightly attached in the relative sliding process, the medium in the pipeline is prevented from leaking outwards, the matching of the flexible sealing ring 10 and the pressing ring 11 can be used as an auxiliary sealing defense line, the heat medium is ensured not to flow outwards, and the damage of the external impurities and the impurities in the pipeline to a sealing surface when the pipeline is.

In conclusion, this direct-burried sleeve compensator, through setting up interior guide ring 3, first seal groove 4, outer guide ring 5 and second seal groove 6, the advantage that sealed effect is good has been realized, through the first seal groove 4 that the interior guide ring 3 outside was seted up and the second seal groove 6 that the outer guide ring 5 inboard was seted up mutually support and form the self-sealing cavity, and pack the flexible filler 7 of notes formula of filling in the cavity in order to realize sealed, moreover, the steam generator is simple in structure, the degree of closure is better, make sealing performance more reliable, through setting up flexible sealing ring 10 and clamping ring 11, the advantage of safe and reliable has been realized, can regard as supplementary sealed defence line through the cooperation of flexible sealing ring 10 with clamping ring 11, guarantee that the heat medium does not outflow, prevent external impurity and the destruction of impurity in the pipeline to sealed face when burying, product safety and reliability have effectively been ensured, the normal clear in the guarantee use.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 direct-burried sleeve compensator, includes inner skleeve (1) and outer skleeve (2), its characterized in that: the one end of inner skleeve (1) is located outer sleeve (2), the outside fixed mounting of inner skleeve (1) has interior guide ring (3), the outside of interior guide ring (3) is equipped with first groove (4), the inside fixed mounting of outer sleeve (2) has outer guide ring (5), the inboard of outer guide ring (5) is equipped with second groove (6), first groove (4) and second groove (6) intussuseption are equipped with notes formula flexible packing (7), the middle part of outer guide ring (5) is equipped with filling pipe (8), the inside of filling pipe (8) is equipped with cock post (9), the left end cover of inner skleeve (1) has flexible sealing ring (10), the inboard fixed mounting in left end of outer sleeve (2) has clamping ring (11).

2. A direct-burried sleeve compensator of claim 1, wherein: the inner guide ring (3) and the outer guide ring (5) are arranged in a fit clearance between the inner sleeve (1) and the outer sleeve (2), and the inner guide ring (3) and the outer guide ring (5) are mutually matched and sleeved.

3. A direct-burried sleeve compensator of claim 1, wherein: the first sealing groove (4) and the second sealing groove (6) are staggered and matched with each other to form a sealing cavity, and the filling type flexible packing (7) is arranged in the sealing cavity.

4. A direct-burried sleeve compensator of claim 1, wherein: one end of the filling pipe (8) far away from the outer guide ring (5) extends out of the outer side of the outer sleeve (2), and the filling pipe (8) is distributed at the upper end and the lower end of the outer sleeve (2).

5. A direct-burried sleeve compensator of claim 1, wherein: the left end of inner skleeve (1) is equipped with annular groove (12), flexible sealing ring (10) set up in annular groove (12), and the position of flexible sealing ring (10) and clamping ring (11) is corresponding coincide.

6. A direct-burried sleeve compensator of claim 1, wherein: the right-hand member fixed mounting of inner skleeve (1) has anticreep ring (13), the right-hand member of outer skleeve (2) is equipped with tail cover (14), the working surface coating of inner skleeve (1) has chromium coating.