CN216009965U - Prefabricated heat preservation sealing sleeve compensator - Google Patents
Prefabricated heat preservation sealing sleeve compensator Download PDFInfo
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- CN216009965U CN216009965U CN202122301193.2U CN202122301193U CN216009965U CN 216009965 U CN216009965 U CN 216009965U CN 202122301193 U CN202122301193 U CN 202122301193U CN 216009965 U CN216009965 U CN 216009965U
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Abstract
The utility model relates to the technical field of compensators, in particular to a prefabricated heat-insulating sealing sleeve compensator which has good sealing effect, prefabricated heat-insulating layer and reduced heat loss of pipelines and comprises a fixed pipe and a sliding core pipe, wherein one end of the fixed pipe is connected with an outer sleeve, the sliding core pipe is sleeved on the inner side of the outer sleeve, and a sealing element is arranged between the outer sleeve and the sliding core pipe; the outer sides of the fixed pipe, the outer sleeve and the sliding core pipe are all coated with heat insulation layers, and a sealing element is arranged to enhance the sealing effect of the joint between the outer sleeve and the sliding core pipe, so that the leakage of the compensator is prevented, the maintenance frequency is reduced, and the service life of the compensator is prolonged; the prefabricated heat insulation can reduce the heat loss of the pipeline, so that the working performance is more stable and reliable.
Description
Technical Field
The utility model relates to a technical field of compensator especially relates to a prefabricated heat preservation sealing sleeve compensator.
Background
The sleeve compensator has the characteristics of small volume and large compensation amount, and is widely used for hot water and steam pipelines to achieve compensation of thermal expansion. The existing sleeve compensator has the condition of poor sealing effect at the joint, so that the compensator is easy to leak, the overhaul is more complicated, and the service life of the compensator is influenced; moreover, the sleeve compensator is required to keep warm in the using process. The existing heat preservation methods are many, and the method of simply adding a heat preservation layer is common; however, the heat insulating layer is likely to be broken when the ambient temperature changes after a long time use.
Among the prior art, do not set up the protective sheath outside the heat preservation that sets up at sleeve compensator expansion end surface, this part heat preservation fracture back takes place, makes groundwater and filth get into inside the heat preservation through the crack of heat preservation, corrodes the sleeve compensator, has reduced the life of sleeve compensator.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sealed effectual, prefabricated heat preservation, the prefabricated heat preservation sealing sleeve compensator that reduces the pipeline heat loss.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model discloses a prefabricated heat preservation sealing sleeve compensator, including fixed pipe and slip core pipe, its characterized in that, the outer sleeve is connected to the one end of fixed pipe, the slip core pipe cup joints in the inboard of outer sleeve, is provided with the sealing member between outer sleeve and the slip core pipe; and the outer sides of the fixed pipe, the outer sleeve and the sliding core pipe are all coated with heat insulation layers.
In a possible solution, the sealing element comprises a sealing gland and a sealing ring.
In a possible technical scheme, two sides of the sealing box (5) and the sealing ring (6) are respectively provided with a guide belt (4), and the guide belt is made of polytetrafluoroethylene or brass.
In a possible technical scheme, the filling sealing material in the sealing box is composite flexible graphite.
In a possible technical scheme, the sealing ring is a rubber ring, and the sealing ring is arranged into a plurality of channels.
In one possible technical scheme, a first heat-insulating pipe is sleeved on the outer sides of the fixed pipe and the outer sleeve, a second heat-insulating pipe is sleeved on the outer side of one side, away from the outer sleeve, of the sliding core pipe, a rubber corrugated pipe is connected between pipe bodies of the first heat-insulating pipe and the second heat-insulating pipe, and heat-insulating materials are filled in the first heat-insulating pipe and the second heat-insulating pipe respectively; and soft heat-insulating materials are filled in the rubber corrugated pipe.
In a possible technical scheme, a protection pipe is arranged on the outer side of the rubber corrugated pipe, one end of the protection pipe is connected with the outer side of the first heat preservation pipe or the outer side of the second heat preservation pipe, and the other end of the protection pipe is sleeved on the outer side of the second heat preservation pipe or the outer side of the first heat preservation pipe in a sliding mode.
In one possible technical scheme, the outer surface of the sliding core pipe is plated with chrome or is coated with a stainless steel plate.
Compared with the prior art, the beneficial effects of the utility model are that: a sealing element is arranged between the outer sleeve and the sliding core pipe; the outer sides of the fixed pipe, the outer sleeve and the sliding core pipe are all coated with heat insulation layers; the utility model is provided with the sealing element to enhance the sealing effect at the joint between the outer sleeve and the sliding core tube, thereby preventing the compensator from leaking, reducing the maintenance frequency and prolonging the service life of the compensator; the guide belt, the sealing box and the sealing ring are combined to form a sealing mode, the advantages of small sealing friction force of the rubber ring and good sealing effect of the composite flexible graphite are integrated, and the guide belts on two sides are added, so that the sealing effect of the sleeve compensator is obviously enhanced; the prefabricated heat preservation of the sleeve compensator can reduce the heat loss of a pipeline, and the rubber corrugated pipe is filled with soft heat preservation materials, so that the sliding core pipe of the sleeve compensator can be freely stretched and retracted without being damaged, and the working performance is more stable and reliable; the protection tube effectively protects the rubber corrugated pipe and the heat insulation material inside the rubber corrugated pipe, so that the heat insulation layer is not easy to break, underground water and dirt are prevented from entering the heat insulation layer through cracks of the heat insulation layer, the sleeve compensator is prevented from being corroded, and the service life of the sleeve compensator is effectively prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
reference numeral 1-a stationary tube; 2-sliding core tube; 3-an outer sleeve; 4-a guide belt; 5-sealing the box; 6-sealing ring; 7-a first heat preservation pipe; 8-a second insulating tube; 9-rubber bellows; 10-protective tube.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, the prefabricated heat-insulating sealing sleeve compensator according to the embodiment of the present invention comprises a fixed pipe 1 and a sliding core pipe 2, wherein one end of the fixed pipe 1 is connected with an outer sleeve 3, the sliding core pipe 2 is sleeved on the inner side of the outer sleeve 3, and a sealing member is arranged between the outer sleeve 3 and the sliding core pipe 2; the outer sides of the fixed pipe 1, the outer sleeve 3 and the sliding core pipe 2 are coated with heat-insulating layers; the utility model is provided with the sealing element to enhance the sealing effect at the joint between the outer sleeve 3 and the sliding core tube 2, thereby preventing the compensator from leaking and prolonging the service life of the compensator; the prefabricated heat preservation of sleeve compensator can reduce pipeline heat loss.
Specifically, the sealing member includes a sealing box 5 and a sealing ring 6; the filling sealing material in the sealing box 5 is composite flexible graphite, so that the sealing effect is enhanced; the sealing rings 6 are rubber rings, and the sealing rings 6 are arranged in a plurality of ways; the simple rubber ring is easy to age to cause sealing failure, and the simple composite flexible graphite sealing friction force is larger, the utility model adopts a combined sealing mode of a sealing box 5 and a sealing ring 6, and integrates the advantages of small sealing friction force of the rubber ring and good sealing effect of the composite flexible graphite; the two sides of the sealing box 5 and the sealing ring 6 are respectively provided with a guide belt 4, the guide belt 4 is made of polytetrafluoroethylene or brass, in the embodiment, the guide belts 4 are respectively arranged on the two sides, so that the sleeve compensator can run more stably and smoothly; the utility model adopts the sealing box 5 and the sealing ring 6 to obviously enhance the sealing effect of the sleeve compensator, prevent the leakage of the compensator, reduce the maintenance frequency and prolong the service life of the compensator by combining the guiding function of the guiding belt 4; in this embodiment, the sealing ring is provided with 2-4 passages, and the rubber ring can be an O-shaped ring or a Y-shaped ring.
The heat preservation layer comprises a fixed pipe 1 and a first heat preservation pipe 7 sleeved on the outer side of the outer sleeve 3, a second heat preservation pipe 8 sleeved on the outer side of one side, away from the outer sleeve 3, of the sliding core pipe 2, a rubber corrugated pipe 9 is connected between pipe bodies of the first heat preservation pipe 7 and the second heat preservation pipe 8, heat preservation materials are filled in the first heat preservation pipe 7 and the second heat preservation pipe 8 respectively, and the heat preservation materials can be polyurethane heat preservation layers; the rubber bellows 9 is filled with soft heat insulation materials, so that the sliding core tube of the sleeve compensator can freely stretch and retract without being damaged, and the working performance is more stable and reliable.
Furthermore, a protection pipe 10 is arranged on the outer side of the rubber corrugated pipe 9, one end of the protection pipe 10 is connected with the outer side of the first heat preservation pipe 7 or the second heat preservation pipe 8, and the other end of the protection pipe is sleeved on the outer side of the second heat preservation pipe 8 or the first heat preservation pipe 7 in a sliding manner; the protection tube 10 effectively protects the rubber corrugated tube and the heat insulation material inside the rubber corrugated tube, so that the heat insulation layer is not easy to break, underground water and dirt are prevented from entering the heat insulation layer through cracks of the heat insulation layer, the sleeve compensator is prevented from being corroded, and the service life of the sleeve compensator is effectively prolonged.
Further, the outer surface of the sliding core tube 2 is chrome-plated or coated with a stainless steel plate to further enhance the corrosion resistance of the sleeve compensator.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A prefabricated heat-insulation sealing sleeve compensator comprises a fixed pipe (1) and a sliding core pipe (2), and is characterized in that one end of the fixed pipe (1) is connected with an outer sleeve (3), the sliding core pipe (2) is sleeved on the inner side of the outer sleeve (3), and a sealing element is arranged between the outer sleeve (3) and the sliding core pipe (2); the outer sides of the fixed pipe (1), the outer sleeve (3) and the sliding core pipe (2) are coated with heat-insulating layers.
2. Prefabricated heat-insulating sealing sleeve compensator according to claim 1, characterised in that the sealing elements comprise a sealing gland (5) and a sealing ring (6).
3. The prefabricated heat-insulating sealing sleeve compensator as claimed in claim 2, wherein guide belts (4) are respectively arranged on two sides of the sealing box (5) and the sealing ring (6), and the guide belts (4) are made of polytetrafluoroethylene or brass.
4. A prefabricated heat-insulating sealing sleeve compensator according to claim 3, characterised in that the filling sealing material in the sealing box (5) is composite flexible graphite.
5. Prefabricated heat-insulating sealing sleeve compensator according to claim 4, characterised in that the sealing ring (6) is a rubber ring, the sealing ring (6) being arranged in a plurality of tracks.
6. The prefabricated heat-insulation sealing sleeve compensator as claimed in claim 1, wherein a first heat-insulation pipe (7) is sleeved outside the fixed pipe (1) and the outer sleeve (3), a second heat-insulation pipe (8) is sleeved outside one side of the sliding core pipe (2) far away from the outer sleeve (3), a rubber corrugated pipe (9) is connected between pipe bodies of the first heat-insulation pipe (7) and the second heat-insulation pipe (8), and heat-insulation materials are respectively filled in the first heat-insulation pipe (7) and the second heat-insulation pipe (8); the rubber corrugated pipe (9) is filled with soft heat-insulating materials.
7. Prefabricated heat-insulating sealing sleeve compensator according to claim 6, characterized in that the rubber bellows (9) is provided with a protection tube (10) on the outside, one end of the protection tube (10) is connected with the outside of the first heat-insulating tube (7) or the second heat-insulating tube (8), and the other end is slidably sleeved on the outside of the second heat-insulating tube (8) or the first heat-insulating tube (7).
8. The prefabricated heat-insulating sealing sleeve compensator of claim 1, wherein the outer surface of the sliding core tube (2) is chrome-plated or is clad with stainless steel plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122301193.2U CN216009965U (en) | 2021-09-23 | 2021-09-23 | Prefabricated heat preservation sealing sleeve compensator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122301193.2U CN216009965U (en) | 2021-09-23 | 2021-09-23 | Prefabricated heat preservation sealing sleeve compensator |
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CN216009965U true CN216009965U (en) | 2022-03-11 |
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CN202122301193.2U Active CN216009965U (en) | 2021-09-23 | 2021-09-23 | Prefabricated heat preservation sealing sleeve compensator |
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CN (1) | CN216009965U (en) |
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2021
- 2021-09-23 CN CN202122301193.2U patent/CN216009965U/en active Active
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