Directly-buried steam thermal insulation pipe compensator

By setting up a limiting and fixing structure for the first and second flanges, and combining the snap-fit ​​of the vertical plate, threaded rod, handle, threaded sleeve and slot, the problem of low installation efficiency of existing direct-buried steam insulation pipe compensators is solved, and tool-free rapid installation and convenient installation process are achieved.

CN223794876UActive Publication Date: 2026-01-13SHANXIONO CHEMICAL CO LTD
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Patent Information

Application Number
CN202520399894.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-01-13
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

The existing direct-buried steam insulation pipe compensators have low installation efficiency, require multiple sets of screws and special tools, and are inconvenient to install.

Method used

The compensator body and insulation pipe are conveniently installed by using a first flange and a second flange connection, combined with a limiting and fixing structure consisting of a vertical plate, threaded rod, rotating handle, threaded sleeve, and clamping groove. By setting outer and inner protective layers, the outer protective layer, waterproof layer, and protective layer can protect the outer surface of the compensator body. By setting waterproof and anti-corrosion layers, the inner surface of the compensator body can be protected. By setting rust-proof and wear-resistant layers, the overall performance of the compensator body can be improved.

Benefits of technology

It achieves rapid installation without tools, and the convenient connection and fixation of the compensator body and insulation pipe improves the installation speed of the compensator body and achieves rapid installation without tools. It conveniently solves the problem of low installation efficiency in the existing technology.

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    Figure CN223794876U_ABST
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Abstract

The utility model discloses a directly-buried steam thermal insulation pipe compensator, which relates to the technical field of thermal insulation pipe compensators, solves the problem of low installation efficiency of a plurality of groups of screws, and comprises a compensator body and a thermal insulation pipe body, a first flange plate is fixedly connected to one side of the compensator body, a second flange plate is fixedly connected to one side of the heat preservation pipe body, an installation positioning mechanism is arranged on the surface of the first flange plate, and an outer protection layer is arranged on the outer surface of the compensator body. By arranging the vertical plate, the threaded rod, the rotating handle, the threaded sleeve, the clamping plate and the clamping groove, the first flange plate and the second flange plate can be conveniently limited and fixed, then the compensator body and the heat preservation pipe body are fixedly installed, tools are not needed during installation in the mode, the installation speed is high, and use is convenient and fast.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of thermal insulation pipe compensator especially relates to a direct -buried steam thermal insulation pipe compensator. BACKGROUND

[0002] The daily winter heating of northern cities adopts the mode of hot gas and hot water heating, and most of the delivery pipelines adopt the direct -buried mode, in order to ensure the steam pressure in the steam pipeline, it is very important to improve the overall thermal insulation performance of the steam pipeline, and a compensator is arranged every certain distance on the steam pipeline to cope with the expansion and contraction of the steam pipeline, the thermal insulation pipe compensator currently used can meet the normal use demand, but it still has certain defects in the actual use process, for example, the existing compensator is inconvenient to install, and is often installed by using multiple screws, this installation mode is not only low in installation efficiency, but also needs to use special tools, and needs to be improved, therefore, the direct -buried steam thermal insulation pipe compensator is provided. SUMMARY

[0003] In order to improve the problem of low installation efficiency of multiple screws, the utility model provides a direct -buried steam thermal insulation pipe compensator.

[0004] The utility model provides a direct -buried steam thermal insulation pipe compensator adopts the following technical scheme:

[0005] A direct -buried steam thermal insulation pipe compensator, including compensator body and thermal insulation pipe body, the left and right sides of compensator body are all fixedly connected with first flange plate, one side of thermal insulation pipe body is fixedly connected with second flange plate, the surface of first flange plate is provided with installation positioning mechanism, the outer surface of compensator body is provided with outer protective layer, the inner surface of compensator body is provided with inner protective layer;

[0006] The installation positioning mechanism includes an upright plate, the upright plate is uniformly fixedly connected to one side of the first flange plate, a positioning cylinder is fixedly connected to one side of the upright plate, a threaded rod is rotatably connected to the inner cavity of the positioning cylinder on one side of the upright plate through a bearing, a handle is fixedly connected to one side of the threaded rod and penetrates the upright plate, a threaded sleeve is threadedly connected to the outer surface of the threaded rod, a clamping plate is rotatably connected to one side of the threaded sleeve through a bearing, a clamping groove is uniformly formed in one side of the second flange plate, and the clamping plate is clamped between the clamping groove.

[0007] By adopting the above technical scheme, the first flange plate and the second flange plate can be conveniently limited and fixed, and then the compensator body and the thermal insulation pipe body can be installed and fixed, and the tool is not needed during installation, and the installation speed is fast and convenient to use.

[0008] Optionally, one side of the bottom of the threaded sleeve top is fixedly connected with a sliding block, the top and bottom of the positioning cylinder inner cavity are provided with a sliding groove matched with the sliding block, and the outer surface of the sliding block is in sliding connection with the inner surface of the sliding groove.

[0009] By adopting the technical scheme, the movement of the threaded sleeve can be guided and limited.

[0010] Optionally, the outer protective layer comprises a rust-proof layer and a wear-resistant layer, the rust-proof layer is located on the outer surface of the compensator body, and the wear-resistant layer is located on the outer surface of the rust-proof layer.

[0011] By adopting the technical scheme, the protective performance of the outer surface of the compensator body can be improved.

[0012] Optionally, the inner protective layer comprises a waterproof layer and a corrosion-resistant layer, the waterproof layer is located on the inner surface of the compensator body, and the corrosion-resistant layer is located on the inner surface of the waterproof layer.

[0013] By adopting the technical scheme, the protective performance of the inner surface of the compensator body can be improved.

[0014] Optionally, the number of the vertical plates is four, and the number of the clamping grooves is four.

[0015] Optionally, the rust-proof layer is a rust-proof paint coating, and the wear-resistant layer is a polytetrafluoroethylene coating.

[0016] Optionally, the waterproof layer is a polyurethane coating, and the corrosion-resistant layer is a furan resin coating. In summary, the utility model has the following beneficial effects:

[0017] 1. The utility model discloses a first flange plate and second flange plate can be connected between the compensator body and the heat preservation pipe body, and the vertical plate, threaded rod, handle, threaded sleeve, clamping plate and clamping groove can be limited and fixed between the first flange plate and the second flange plate, and then the compensator body and the heat preservation pipe body are installed and fixed, and the installation does not need to use the tool, and the installation is fast and convenient to use.

[0018] 2. The utility model discloses a rust-proof layer and wear-resistant layer can be protected to the outer surface of the compensator body, and the waterproof layer and corrosion-resistant layer can be protected to the inner surface of the compensator body, and then the service life of the compensator body can be improved. ACCURACY

[0019] Figure 1 It is the structure schematic view of the utility model;

[0020] Figure 2 It is the sectional view of the structure of the utility model;

[0021] Figure 3 The structure of this utility model Figure 2 A magnified view of a section at point A in the middle;

[0022] Figure 4 This is a cross-sectional view of the positioning cylinder structure of this utility model;

[0023] Figure 5 This is a partial cross-sectional view of the outer and inner protective layers of this utility model.

[0024] In the diagram: 1. Expansion joint body; 2. Insulation pipe body; 3. First flange; 4. Second flange; 5. Installation and positioning mechanism; 501. Vertical plate; 502. Positioning cylinder; 503. Threaded rod; 504. Rotary handle; 505. Threaded sleeve; 506. Clamping plate; 507. Clamping groove; 6. Outer protective layer; 601. Rust-proof layer; 602. Wear-resistant layer; 7. Inner protective layer; 701. Waterproof layer; 702. Corrosion-resistant layer; 8. Sliding block; 9. Slide groove. Detailed Implementation

[0025] 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.

[0026] Example 1:

[0027] Please refer to Figures 1-5 A direct-buried steam insulation pipe compensator includes a compensator body 1 and an insulation pipe body 2. First flanges 3 are fixedly connected to both the left and right sides of the compensator body 1, and a second flange 4 is fixedly connected to one side of the insulation pipe body 2. An installation positioning mechanism 5 is provided on the surface of the first flange 3. An outer protective layer 6 is provided on the outer surface of the compensator body 1, and an inner protective layer 7 is provided on the inner surface of the compensator body 1.

[0028] The mounting and positioning mechanism 5 includes a vertical plate 501, which is uniformly and fixedly connected to one side of the first flange 3. A positioning cylinder 502 is fixedly connected to one side of the vertical plate 501. A threaded rod 503 is rotatably connected to one side of the vertical plate 501 and located in the inner cavity of the positioning cylinder 502 via a bearing. A rotating handle 504 is fixedly connected to one side of the threaded rod 503, which passes through the vertical plate 501. A threaded sleeve 505 is threadedly connected to the outer surface of the threaded rod 503. A clamping plate 506 is rotatably connected to one side of the threaded sleeve 505 via a bearing. A clamping groove 507 is uniformly opened on one side of the second flange 4, and the clamping plate 506 is clamped to the clamping groove 507.

[0029] As a further technical optimization of this utility model, a slider 8 is fixedly connected to one side of the top and bottom of the threaded sleeve 505, and a groove 9 for cooperating with the slider 8 is opened at the top and bottom of the inner cavity of the positioning cylinder 502. The outer surface of the slider 8 is slidably connected to the inner surface of the groove 9.

[0030] As a further technical optimization of this utility model, the number of upright plates 501 is four, and the number of card slots 507 is four.

[0031] In this embodiment: by setting the first flange 3 and the second flange 4, it is easy to connect the compensator body 1 and the insulation pipe body 2. By setting the vertical plate 501, threaded rod 503, rotating handle 504, threaded sleeve 505, clamping plate 506 and clamping groove 507, it is easy to limit and fix the first flange 3 and the second flange 4, thereby installing and fixing the compensator body 1 and the insulation pipe body 2. This method does not require the use of tools, and the installation speed is fast and convenient to use. By setting the slider 8 and the sliding groove 9, the movement of the threaded sleeve 505 can be guided and limited, improving the stability of the movement of the threaded sleeve 505.

[0032] Example 2:

[0033] Reference Figure 2 and Figure 5 The outer protective layer 6 includes a rust-proof layer 601 and a wear-resistant layer 602. The rust-proof layer 601 is located on the outer surface of the compensator body 1, and the wear-resistant layer 602 is located on the outer surface of the rust-proof layer 601.

[0034] As a further technical optimization of this utility model, the inner protective layer 7 includes a waterproof layer 701 and an anti-corrosion layer 702. The waterproof layer 701 is located on the inner surface of the compensator body 1, and the anti-corrosion layer 702 is located on the inner surface of the waterproof layer 701.

[0035] As a further technical optimization of this utility model, the anti-rust layer 601 is an anti-rust paint coating, and the wear-resistant layer 602 is a polytetrafluoroethylene coating. Polytetrafluoroethylene has excellent chemical stability, corrosion resistance, sealing performance, high lubricity and non-stickiness, electrical insulation and good wear resistance.

[0036] As a further technical optimization of this utility model, the waterproof layer 701 is a polyurethane coating. Polyurethane has excellent thermal insulation properties, is resistant to chemicals, is easy to process, and has good waterproof performance. The anti-corrosion layer 702 is a furan resin coating. Furan resin has outstanding properties such as alkali resistance, acid resistance, solvent resistance, and heat resistance.

[0037] In this embodiment: an outer protective layer 6 is constructed by setting an anti-rust layer 601 and a wear-resistant layer 602, which can protect the outer surface of the compensator body 1. The anti-rust layer 601 can improve the anti-rust performance of the outer surface of the compensator body 1, while the wear-resistant layer 602 can improve the wear resistance of the outer surface of the compensator body 1. An inner protective layer 7 is constructed by setting a waterproof layer 701 and an anti-corrosion layer 702, which can protect the inner surface of the compensator body 1. The waterproof layer 701 can improve the waterproof performance of the inner surface of the compensator body 1, while the anti-corrosion layer 702 can improve the anti-corrosion performance of the inner surface of the compensator body 1, thereby improving the overall performance of the compensator body 1 and extending its service life.

[0038] The implementation principle of this utility model is as follows: When it is necessary to install the compensator body 1, align the second flange 4 on one side of the insulation pipe body 2 with the first flange 3 on one side of the compensator body 1, so that the slot 507 is flush with the plate 506. Then, rotate the handle 504 in sequence. The handle 504 drives the threaded rod 503 to rotate. The threaded rod 503 drives the threaded sleeve 505 to move. The threaded sleeve 505 drives the plate 506 to move, so that the plate 506 is engaged in the slot 507, thus completing the fixation of the second flange 4 and completing the installation of one side of the compensator body 1. Then, the other side of the compensator body 1 can be installed in the same way. This method of installation does not require the use of tools, and the installation speed is fast and convenient to use.

[0039] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A direct-buried steam heat-insulated pipe compensator comprising a compensator body (1) and a heat-insulated pipe body (2), characterized in that: Both sides of the compensator body (1) are fixedly connected with first flange plates (3), one side of the heat preservation pipe body (2) is fixedly connected with a second flange plate (4), the surface of the first flange plate (3) is provided with a mounting positioning mechanism (5), the outer surface of the compensator body (1) is provided with an outer protective layer (6), and the inner surface of the compensator body (1) is provided with an inner protective layer (7). The mounting positioning mechanism (5) comprises a vertical plate (501), the vertical plate (501) is uniformly fixedly connected to one side of the first flange plate (3), one side of the vertical plate (501) is fixedly connected with a positioning cylinder (502), one side of the vertical plate (501) and located in the inner cavity of the positioning cylinder (502) is rotatably connected with a threaded rod (503) through a bearing, one side of the threaded rod (503) penetrates through the vertical plate (501) and is fixedly connected with a rotating handle (504), the outer surface of the threaded rod (503) is threadedly connected with a threaded sleeve (505), one side of the threaded sleeve (505) is rotatably connected with a clamping plate (506) through a bearing, and one side of the second flange plate (4) is uniformly provided with a clamping groove (507), and the clamping plate (506) and the clamping groove (507) are connected.

2. A direct buried steam insulating pipe expander according to claim 1, characterized in that: One side of the bottom of the threaded sleeve (505) top is fixedly connected with a sliding block (8), and the inner cavity of the positioning cylinder (502) is provided with a sliding groove (9) matched with the sliding block (8) at the top and the bottom.

3. A direct buried steam insulating pipe expander as claimed in claim 1, wherein: The outer protective layer (6) comprises a rust-proof layer (601) and a wear-resistant layer (602), the rust-proof layer (601) is located on the outer surface of the compensator body (1), and the wear-resistant layer (602) is located on the outer surface of the rust-proof layer (601).

4. A direct buried steam insulating pipe expander as claimed in claim 1, wherein: The inner protective layer (7) comprises a waterproof layer (701) and a corrosion-resistant layer (702), the waterproof layer (701) is located on the inner surface of the compensator body (1), and the corrosion-resistant layer (702) is located on the inner surface of the waterproof layer (701).

5. A direct buried steam pipe insulating compensator according to claim 1, characterized in that: The number of the vertical plate (501) is four, and the number of the clamping groove (507) is four.

6. A direct buried steam insulating pipe expander as claimed in claim 3 wherein: The rust-proof layer (601) is a rust-proof paint coating, and the wear-resistant layer (602) is a polytetrafluoroethylene coating.

7. A direct buried steam insulating pipe expansion joint according to claim 4, characterized in that: The waterproof layer (701) is a polyurethane coating, and the corrosion-resistant layer (702) is a furan resin coating.