One-way sleeve compensator with heat preservation structure

By introducing an insulation layer and a filter structure into the one-way sleeve compensator, the problems of external environmental influence and impurity entry are solved, thereby achieving fluid temperature stability and extending equipment life.

CN223794877UActive Publication Date: 2026-01-13YANCHENG HUATONG MASCH CO LTD
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Patent Information

Application Number
CN202520647375.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-01-13
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing one-way sleeve compensators are easily affected by the external environment, especially in low-temperature environments, which can affect the normal flow of fluids, and fluid impurities entering the compensator can affect its service life.

Method used

A one-way sleeve compensator with a thermal insulation structure was designed, comprising a rubber sealing ring, a sealing strip, and a sealing graphite filler, equipped with a thermal insulation layer and a filter structure, and ensuring sealing and fluid filtration through a limiting component and a position adjustment component.

Benefits of technology

It effectively reduces the impact of external ambient temperature, maintains stable fluid temperature, prevents impurities from entering, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a one-way sleeve compensator with a heat preservation structure, which comprises a compensator structure, a position adjusting assembly is detachably mounted on the compensator structure, a filtering structure is detachably mounted on the compensator structure, the compensator structure comprises an outer sleeve, an inner sleeve is slidably connected to the outer sleeve, and the inner sleeve is provided with a heat preservation structure. A rubber sealing ring, a sealing pressing strip and sealing graphite packing are arranged between the inner sleeve and the outer sleeve, the rubber sealing ring is located on the right side of the sealing pressing strip, the sealing graphite packing is arranged on the left side of the sealing pressing strip, and a packing gland is arranged on the left side of the sealing graphite packing and detachably provided with the outer sleeve through a limiting assembly. According to the one-way sleeve compensator with the heat preservation structure, impurities entering the one-way sleeve compensator are filtered through the arrangement of the filter screen, the impurities are prevented from entering the one-way sleeve compensator, and the service life of the one-way sleeve compensator is shortened; and the limiting ring on the filter screen is disassembled and assembled through the hollow sealing cover.
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Description

TECHNICAL FIELD

[0001] The utility model relates to one -way sleeve compensator technical field, concretely is one -way sleeve compensator with heat preservation structure. BACKGROUND

[0002] One -way sleeve compensator passes through the free sliding of inner sleeve in the outer sleeve, when the medium temperature change in the pipeline leads to the expansion or the shrinkage of the pipeline, the inner sleeve can move along the axis of the outer sleeve, thereby compensating the pipeline length change due to temperature change, the existing one -way sleeve compensator is easy to be influenced by external environment when using, one -way sleeve compensator is in low temperature environment for a long time, influence one -way sleeve compensator internal fluid normal flow, and the existing one -way sleeve compensator directly contacts with fluid, and the impurity in fluid enters one -way sleeve compensator inside, influence one -way sleeve compensator service life. SUMMARY

[0003] The utility model discloses a one -way sleeve compensator with heat preservation structure to solve the above -mentioned background art in the existing one -way sleeve compensator that the problem of being easy to be influenced by external environment when using, one -way sleeve compensator is in low temperature environment for a long time, influence one -way sleeve compensator internal fluid normal flow, and the existing one -way sleeve compensator directly contacts with fluid, and the impurity in fluid enters one -way sleeve compensator inside, influence one -way sleeve compensator service life.

[0004] To achieve the above -mentioned purpose, the utility model provides the following technical scheme: a one -way sleeve compensator with heat preservation structure, including compensator structure, compensator structure dismounts and installs position adjusting assembly, and the filter structure is dismounted and installed on compensator structure, the compensator structure includes the outer sleeve, and the inner sleeve is slidably connected on the outer sleeve, and the rubber sealing ring, sealing pressure strip and sealing graphite packing are arranged between the inner sleeve and the outer sleeve, the rubber sealing ring is located in the right side of sealing pressure strip, and the sealing graphite packing is arranged on the left side of sealing pressure strip, and the packing gland is arranged on the left side of sealing graphite packing, and the outer sleeve is dismounted and installed through the packing gland, and the outer sleeve and the inner sleeve are embedded with the heat preservation layer,

[0005] The limiting assembly includes a first screw rod, a spring shaft is penetrated on the first screw rod, and a first nut is dismounted and installed on the first screw rod.

[0006] Preferably, the position adjusting assembly includes a second screw rod, and a second nut is dismounted and installed on the second screw rod.

[0007] Through the above technical scheme, the sealing graphite packing is limited by setting the position adjusting assembly.

[0008] Preferably, the filter structure includes an annular hollow limiting plate, a dirt removal component is snapped onto the annular hollow limiting plate, a hollow sealing cover is threadedly installed on the annular hollow limiting plate, and a fixing rod is fixed on the inner wall of the hollow sealing cover.

[0009] By adopting the above technical solution, the hollow sealing cover and the annular hollow limiting plate facilitate the disassembly and assembly of the impurity removal component.

[0010] Preferably, the impurity removal component includes a limiting ring, on which a filter screen is fixed.

[0011] By adopting the above technical solution, impurities are treated by setting up an impurity removal component.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the unidirectional sleeve compensator with heat insulation structure

[0013] (1) It is equipped with a filter structure. The filter screen filters the impurities entering the one-way sleeve compensator, preventing impurities from entering the one-way sleeve compensator and shortening the service life of the one-way sleeve compensator. The limit ring on the filter screen is installed and removed through the hollow sealing cover, which facilitates the cleaning of impurities at regular intervals.

[0014] (2) An insulation layer is provided to reduce the influence of the surrounding environment on the internal temperature of the pipeline, ensuring that the fluid temperature remains stable during transportation and avoiding the service life of the one-way sleeve compensator due to excessive temperature difference. The sealing effect of the one-way sleeve compensator is guaranteed by the setting of rubber sealing ring, sealing pressure strip and sealing graphite filler to avoid leakage. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the filter structure of this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the compensator of this utility model.

[0019] In the diagram: 1. Compensator structure; 11. Outer sleeve; 12. Inner sleeve; 13. Rubber sealing ring; 14. Sealing strip; 15. Sealing graphite packing; 16. Packing gland; 17. Limiting assembly; 171. First screw; 172. Spring shaft; 173. First nut; 18. Insulation layer; 2. Position adjustment assembly; 21. Second screw; 22. Second nut; 3. Filter structure; 31. Annular hollow limiting plate; 32. Impurity removal assembly; 321. Limiting ring; 322. Filter screen; 33. Hollow sealing cover; 34. Fixing rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-4 This utility model provides a technical solution: a unidirectional sleeve compensator with a heat insulation structure, such as... Figure 1 and Figure 3 As shown, the device includes a compensator structure 1, on which a filter structure 3 is detachably installed. The compensator structure 1 includes an outer sleeve 11, on which an inner sleeve 12 is slidably connected. A rubber sealing ring 13, a sealing strip 14, and a sealing graphite filler 15 are provided between the inner sleeve 12 and the outer sleeve 11. The rubber sealing ring 13 is located to the right of the sealing strip 14. The sealing graphite filler 15 is provided to the left of the sealing strip 14. A filler cap 16 is provided to the left of the sealing graphite filler 15. The filler cap 16 is detachably installed on the outer sleeve 11 through a limiting component 17. Both the outer sleeve 11 and the inner sleeve 12 are inlaid with a heat insulation layer 18.

[0022] The insulation layer 18 includes rubber and plastic materials and glass wool, thereby reducing the influence of the external environment on the fluid temperature of the outer sleeve 11 and the inner sleeve 12.

[0023] Specifically, the packing gland 16 has multiple sets of threaded holes, which are evenly distributed on the packing gland 16. Both ends of the outer sleeve 11 and the inner sleeve 12 are fixed with flanges, and the flanges have multiple sets of threaded holes with the same inner diameter.

[0024] Furthermore, at least five sets of limiting components 17 are provided, and the five sets of limiting components 17 are equally distributed on the outer sleeve 11 and the packing gland 16.

[0025] In the above scheme, the first screw 171 passes through the outer sleeve 11 and the packing gland 16. The first nut 173 on the first screw 171 is rotated to limit the rubber sealing ring 13, sealing strip 14 and sealing graphite packing 15 between the packing gland 16 and the outer sleeve 11, thereby ensuring the sealing effect of the one-way sleeve compensator. The spring shaft 172 also provides auxiliary fixation for the rubber sealing ring 13, sealing strip 14 and sealing graphite packing 15 under its own elastic force. The insulation layer 18 on the outer sleeve 11 and the inner sleeve 12 ensures the stability of the fluid temperature inside the pipeline. The insulation layer 18 can prevent the pipeline and the one-way sleeve compensator from being damaged to varying degrees due to temperature changes, thus extending the service life of the equipment and pipeline.

[0026] like Figure 1 , Figure 3 and Figure 4 As shown, the compensator structure 1 is equipped with a position adjustment component 2, which includes a second screw 21 and a second nut 22 that is detached and installed on the second screw 21.

[0027] The position adjustment component 2 is provided with at least five sets, and the five sets of position adjustment components 2 are equally distributed on the outer sleeve 11, the inner sleeve 12 and the packing gland 16, thereby adjusting the length of the inner sleeve 12 and increasing practicality;

[0028] In the above scheme, the second screw 21 passes through the outer sleeve 11, the inner sleeve 12 and the packing gland 16, and is rotated and fixed by rotating the second nut 22 on the second screw 21, thereby limiting and fixing the position of the inner sleeve 12.

[0029] like Figure 1 and Figure 2 As shown, a filter structure 3 is disassembled and installed on the compensator structure 1. The filter structure 3 includes an annular hollow limiting plate 31. A dirt removal component 32 is snapped onto the annular hollow limiting plate 31. A hollow sealing cover 33 is threadedly disassembled and installed on the annular hollow limiting plate 31. A fixing rod 34 is fixed on the inner wall of the hollow sealing cover 33. The dirt removal component 32 includes a limiting ring 321. A filter screen 322 is fixed on the limiting ring 321.

[0030] Among them, the annular hollow limiting plate 31 and the hollow sealing cover 33 are threadedly sealed and disassembled, which facilitates the disassembly of the impurity removal component 32. The limiting ring 321 is hollow.

[0031] In the above scheme, the filter screen 322 passes through the annular hollow limiting plate 31, and the limiting ring 321 is engaged and limited on the annular hollow limiting plate 31. The rubber sealing ring and the hollow sealing cover 33 pass through the annular hollow limiting plate 31. The fixing rod 34 on the hollow sealing cover 33 is rotated, so that the hollow sealing cover 33 rotates and fixes the annular hollow limiting plate 31 to ensure that the filter screen 322 performs filtration.

[0032] Working principle: When using this one-way sleeve compensator with heat preservation structure, the compensator structure 1 provides a sealing and heat preservation function for the one-way sleeve compensator, the position adjustment component 2 adjusts the position of the inner sleeve 12, and the filter structure 3 filters the fluid inside the one-way sleeve compensator.

[0033] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A one-way sleeve compensator with heat preservation structure, comprising a compensator structure (1), a position adjusting assembly (2) is detachably installed on the compensator structure (1), and a filter structure (3) is detachably installed on the compensator structure (1), characterized in that, The compensator structure (1) comprises an outer sleeve (11), an inner sleeve (12) is slidably connected on the outer sleeve (11), a rubber sealing ring (13), a sealing pressing strip (14) and a sealing graphite filler (15) are arranged between the inner sleeve (12) and the outer sleeve (11), the rubber sealing ring (13) is located on the right side of the sealing pressing strip (14), the sealing graphite filler (15) is arranged on the left side of the sealing pressing strip (14), the filler pressing cover (16) is arranged on the left side of the sealing graphite filler (15), the outer sleeve (11) is detachably installed on the filler pressing cover (16) through the limiting assembly (17), and the outer sleeve (11) and the inner sleeve (12) are embedded with the heat preservation layer (18); The limiting assembly (17) comprises a first screw rod (171), a spring shaft (172) penetrates through the first screw rod (171), and a first nut (173) is detachably installed on the first screw rod (171).

2. The one-way sleeve compensator with thermal insulation structure according to claim 1, characterized in that: The position adjusting assembly (2) comprises a second screw rod (21), and a second nut (22) is detachably installed on the second screw rod (21).

3. The one-way sleeve compensator with thermal retention structure of claim 1, wherein: The filtering structure (3) comprises an annular hollow limiting plate (31), a impurity removing assembly (32) is clamped and connected on the annular hollow limiting plate (31), a hollow sealing cover (33) is threadedly detachably installed on the annular hollow limiting plate (31), and a fixed rod (34) is fixedly arranged on the inner wall of the hollow sealing cover (33).

4. The one-way sleeve compensator with thermal retention structure according to claim 3, wherein: The impurity removing assembly (32) comprises a limiting ring (321), and a filter screen (322) is fixedly arranged on the limiting ring (321).