Corrugated pipe compensator with heat preservation function

Abstract

The utility model discloses a corrugated expansion joint with a heat preservation function, which relates to the field of corrugated expansion joints and comprises a corrugated expansion joint outer pipe, a telescopic rod is fixedly connected to the outer wall of the corrugated expansion joint outer pipe, a sleeve column is movably connected to the outer wall of the telescopic rod, and a supporting column is fixedly connected to the outer wall of the sleeve column. A sliding groove is formed in the supporting column, a supporting rod is movably connected into the sliding groove, a protection plate is fixedly connected to one end of the supporting rod, and a conveying medium flows through the corrugated pipe compensator to generate impact force on the corrugated pipe compensator, so that an outer pipe of the corrugated pipe compensator shakes, the outer pipe of the corrugated pipe compensator extrudes the protection plate, and the protection plate is protected. The supporting rod slides along the sliding groove and extrudes the spring, when the corrugated pipe compensator longitudinally extends, the telescopic rod can slide and move out along the sleeve column, vibration generated when a conveying medium flows through can be buffered, and the amplitude of shaking generated when the corrugated pipe compensator is impacted is reduced.

Description

Technical Field

[0001] The utility model relates to the field of bellows compensators, in particular to a bellows compensator with a heat preservation function. Background Art

[0002] Bellows compensator, also commonly called expansion joint, or telescopic joint, is composed of bellows and end pipes, brackets, flanges, ducts and other accessories that constitute its working body. It is mainly used in various pipelines. It can compensate for the thermal displacement and mechanical deformation of the pipeline and absorb various mechanical vibrations, thereby reducing the deformation stress of the pipeline and increasing its service life. The current bellows compensator is not convenient for buffering the vibration generated when the conveying medium flows through, which causes the bellows compensator to shake and affects its stability. Therefore, a bellows compensator with thermal insulation function is needed.

[0003] The existing bellows compensator is not convenient for buffering the vibration generated when the conveying medium flows through it, causing the bellows compensator to shake due to impact, and the thermal insulation performance of the current bellows compensator is poor. Therefore, a bellows compensator with thermal insulation function is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a bellows compensator with a heat preservation function to solve the problem that the existing bellows compensator is inconvenient to buffer the vibration generated when the conveying medium flows through and has poor heat preservation performance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bellows compensator with a heat preservation function, comprising a bellows compensator outer tube, the outer wall of the bellows compensator outer tube is fixedly connected to a telescopic rod, the outer wall of the telescopic rod is movably connected to a sleeve column, the outer wall of the sleeve column is fixedly connected to a support column, a slide groove is provided inside the support column, the inside of the slide groove is movably connected to a support rod, and one end of the support rod is fixedly connected to a protective plate.

[0006] The inner wall of the outer tube of the corrugated compensator is fixedly connected with a heat preservation mechanism.

[0007] Preferably, the telescopic rod and the sleeve column form a sliding structure, and the telescopic rod is symmetrically arranged with respect to the central axis of the sleeve column.

[0008] Preferably, the support rod forms a sliding structure with the support column through a sliding groove, and the protective plate fits with the outer wall of the outer tube of the corrugated compensator.

[0009] Preferably, the other end of the support rod is fixedly connected with a spring, and the spring is located in the slide groove.

[0010] Preferably, the heat-insulating mechanism comprises an inner tube, a heat-insulating layer and a corrosion-resistant layer; the inner wall of the inner tube is fixedly connected with the heat-insulating layer, and the inner wall of the heat-insulating layer is fixedly connected with the corrosion-resistant layer.

[0011] Preferably, the material of the thermal insulation layer is polyurethane foam material, and the material of the corrosion-resistant layer is polytetrafluoroethylene.

[0012] Preferably, the inner tube is in contact with the inner wall of the outer tube of the corrugated compensator, and the thermal insulation layer is in contact with the corrosion-resistant layer.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model provides a bellows compensator outer tube, telescopic rod, sleeve column, slide groove, support rod and protective plate. The conveying medium flows through the bellows compensator to generate an impact force on it, so that the bellows compensator outer tube shakes, the bellows compensator outer tube squeezes the protective plate, and the support rod slides along the slide groove and squeezes the spring. When the bellows compensator extends longitudinally, the telescopic rod can slide out along the sleeve column, which can buffer the vibration generated by the conveying medium flowing through, reduce the amplitude of the bellows compensator shaking due to the impact, and improve the stability of the bellows compensator.

[0015] 2. The utility model has a heat preservation mechanism, and a heat preservation layer is fixedly connected to the inner wall of the inner tube, and the material of the heat preservation layer is polyurethane foam material, which can improve the heat preservation performance of the inner tube and reduce the heat loss of the conveying medium. A corrosion-resistant layer is fixedly connected to the inner wall of the heat preservation layer, and the material of the corrosion-resistant layer is polytetrafluoroethylene, which can improve the corrosion resistance of the inner tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a three-dimensional diagram of the protective plate of the utility model;

[0018] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;

[0019] Figure 4 This is a three-dimensional diagram of the outer tube of the corrugated compensator of the utility model;

[0020] Figure 5 It is a three-dimensional cross-sectional view of the inner tube of the utility model.

[0021] In the figure: 1. outer tube of corrugated compensator; 2. telescopic rod; 3. sleeve column; 4. support column; 5. slide groove; 6. support rod; 7. protective plate; 8. insulation mechanism; 801. inner tube; 802. insulation layer; 803. corrosion-resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0023] The following describes an embodiment of the utility model based on its overall structure.

[0024] See also Figure 1-5 A bellows compensator with heat preservation function comprises a bellows compensator outer tube 1, the outer wall of the bellows compensator outer tube 1 is fixedly connected with a telescopic rod 2, the outer wall of the telescopic rod 2 is movably connected with a sleeve column 3, the outer wall of the sleeve column 3 is fixedly connected with a support column 4, a slide groove 5 is provided inside the support column 4, the slide groove 5 is movably connected with a support rod 6, one end of the support rod 6 is fixedly connected with a protective plate 7, the telescopic rod 2 and the sleeve column 3 form a sliding structure, and the telescopic rod 2 is symmetrically arranged with the central axis of the sleeve column 3, the support rod 6 forms a sliding structure with the support column 4 through the slide groove 5, and the protective plate 7 is in contact with the outer wall of the bellows compensator outer tube 1, the other end of the support rod 6 is fixedly connected with a spring, and the spring is located in the slide groove 5, which can buffer the vibration generated by the flow of the conveying medium, reduce the amplitude of the shaking of the bellows compensator caused by the impact, and improve the stability of the bellows compensator.

[0025] See also Figure 1-5 A bellows compensator with a heat preservation function, the inner wall of the outer tube 1 of the bellows compensator is fixedly connected with a heat preservation mechanism 8, the heat preservation mechanism 8 comprises an inner tube 801, a heat preservation layer 802 and a corrosion-resistant layer 803, the inner wall of the inner tube 801 is fixedly connected with the heat preservation layer 802, the inner wall of the heat preservation layer 802 is fixedly connected with the corrosion-resistant layer 803, the heat preservation layer 802 is made of polyurethane foam material, and the corrosion-resistant layer 803 is made of polytetrafluoroethylene, the inner tube 801 is in contact with the inner wall of the outer tube 1 of the bellows compensator, and the heat preservation layer 802 is in contact with the corrosion-resistant layer 803, which can improve the heat preservation performance and corrosion resistance of the inner tube 801.

[0026] Working principle: When in use, the conveying medium flows through the bellows compensator to generate an impact force thereon, causing the outer tube 1 of the bellows compensator to shake, causing the outer tube 1 of the bellows compensator to squeeze the protective plate 7, causing the support rod 6 to slide along the slide groove 5 and squeeze the spring. When the bellows compensator extends longitudinally, the telescopic rod 2 can be slid out along the sleeve 3, which can buffer the vibration generated by the conveying medium flowing through, reduce the amplitude of the bellows compensator shaking due to the impact, and improve the stability of the bellows compensator. An insulation layer 802 is fixedly connected to the inner wall of the inner tube 801, and the material of the insulation layer 802 is polyurethane foam material, which can improve the insulation performance of the inner tube 801 and reduce the heat loss of the conveying medium. A corrosion-resistant layer 803 is fixedly connected to the inner wall of the insulation layer 802, and the material of the corrosion-resistant layer 803 is polytetrafluoroethylene, which can improve the corrosion resistance of the inner tube 801. In this way, the use process of the device is completed. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0027] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bellows compensator with heat preservation function, comprising a bellows compensator outer tube (1), characterized in that: The outer wall of the outer tube (1) of the corrugated compensator is fixedly connected to a telescopic rod (2), the outer wall of the telescopic rod (2) is movably connected to a sleeve column (3), the outer wall of the sleeve column (3) is fixedly connected to a support column (4), a slide groove (5) is provided inside the support column (4), the inside of the slide groove (5) is movably connected to a support rod (6), and one end of the support rod (6) is fixedly connected to a protective plate (7); The inner wall of the corrugated compensator outer tube (1) is fixedly connected with a heat preservation mechanism (8).

2. The bellows compensator with heat preservation function according to claim 1, characterized in that: The telescopic rod (2) and the sleeve column (3) form a sliding structure, and the telescopic rod (2) is symmetrically arranged with respect to the central axis of the sleeve column (3).

3. The bellows compensator with heat preservation function according to claim 1, characterized in that: The support rod (6) forms a sliding structure with the support column (4) through the slide groove (5), and the protective plate (7) is in contact with the outer wall of the corrugated compensator outer tube (1).

4. The bellows compensator with heat preservation function according to claim 3 is characterized in that: The other end of the support rod (6) is fixedly connected to a spring, and the spring is located in the slide groove (5).

5. The bellows compensator with heat preservation function according to claim 1, characterized in that: The heat-insulating mechanism (8) comprises an inner tube (801), a heat-insulating layer (802) and a corrosion-resistant layer (803); the inner wall of the inner tube (801) is fixedly connected to the heat-insulating layer (802), and the inner wall of the heat-insulating layer (802) is fixedly connected to the corrosion-resistant layer (803).

6. The bellows compensator with heat preservation function according to claim 5, characterized in that: The material of the thermal insulation layer (802) is polyurethane foam material, and the material of the corrosion-resistant layer (803) is polytetrafluoroethylene.

7. The bellows compensator with heat preservation function according to claim 5, characterized in that: The inner tube (801) is in contact with the inner wall of the outer tube (1) of the corrugated compensator, and the thermal insulation layer (802) is in contact with the corrosion-resistant layer (803).

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