Sleeve compensator with good impact resistance

Abstract

The utility model discloses a sleeve compensator with good shock resistance, which relates to the field of sleeve compensators, and comprises an outer sleeve, a shock resistance mechanism is movably connected in the outer sleeve, a flange plate is fixedly connected on the outer wall of the outer sleeve, a flange column is mounted on the outer wall of the flange plate, and the flange column is fixedly connected with the outer sleeve. The corrosion-resistant layer is fixedly connected to the interior of the core pipe, the corrosion-resistant layer is made of polytetrafluoroethylene, the corrosion resistance of the core pipe can be improved, the buffer layer is fixedly connected to the outer wall of the corrosion-resistant layer, the buffer layer is made of PPR, the impact resistance of the core pipe can be improved, the first blocking material layer is fixedly connected to the interior of the sealing blocking material, and therefore the sealing blocking material can be more stable. The first blocking material layer is fixedly connected to the outer wall of the outer sleeve, the silicone rubber is placed in the first blocking material layer, the second blocking material layer is fixedly connected to the outer wall of the first blocking material layer, and the asbestos packing is placed in the second blocking material layer, so that the sealing performance between the outer sleeve and the core pipe can be improved, and the leakage-proof effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of sleeve compensators, in particular to a sleeve compensator with good impact resistance. Background Art

[0002] The sleeve compensator is also called a tubular expansion joint. It is a compensation device for hot fluid pipelines. It is mainly used to absorb and compensate the axial thermal expansion displacement that occurs after the straight pipeline is installed. The current sleeve compensator core tube has poor impact resistance, which affects the service life of the sleeve compensator. Therefore, a sleeve compensator with good impact resistance is needed.

[0003] The existing sleeve compensator has poor impact resistance of the core tube to the internal hot fluid during use, and the sealing filler of the current sleeve compensator is made of a relatively single material, which reduces the sealing between the core tube and the sleeve. At the same time, it is inconvenient to limit the core tube and the sleeve during transportation, resulting in relative displacement and rotation of the core tube and the sleeve during transportation, affecting the sealing of the internal sealing filler. Therefore, a sleeve compensator with good impact resistance is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a sleeve compensator with good impact resistance to solve the problems that the existing sleeve compensator core tube has poor impact resistance to the internal hot fluid, the sleeve compensator sealing filler material is relatively single and it is inconvenient to limit the core tube and sleeve during transportation.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sleeve compensator with good impact resistance, comprising an outer sleeve, the inner part of the outer sleeve is movably connected with an impact resistance mechanism, the outer wall of the outer sleeve is fixedly connected with a flange, and the outer wall of the flange is installed with a flange column.

[0006] The outer wall of the impact-resistant mechanism is fixedly connected with a sealing card plate, one side of the sealing card plate is fixedly connected with a sealing mechanism, the sealing mechanism includes a sealing plugging material, a first plugging material layer and a second plugging material layer, the interior of the sealing plugging material is fixedly connected with the first plugging material layer, and the outer wall of the first plugging material layer is fixedly connected with the second plugging material layer.

[0007] A slot is provided inside the flange, and a limiting mechanism is movably connected inside the slot. The limiting mechanism includes a limiting column, an insert block, a clamping block and a threaded sleeve. The bottom of the limiting column is fixedly connected to the insert block, the outer wall of the limiting column is fixedly connected to the clamping block, and the outer wall of the limiting column is threadedly connected to the threaded sleeve.

[0008] Preferably, the impact-resistant mechanism comprises a core tube, a corrosion-resistant layer and a buffer layer, the interior of the core tube is fixedly connected with the corrosion-resistant layer, and the outer wall of the corrosion-resistant layer is fixedly connected with the buffer layer.

[0009] Preferably, the material of the corrosion-resistant layer is polytetrafluoroethylene, and the material of the buffer layer is PPR.

[0010] Preferably, silicone rubber is placed inside the first blocking layer, and asbestos packing is placed inside the second blocking layer.

[0011] Preferably, the insert block is snap-connected with the flange through a slot, and a thread is provided on one end of the outer wall of the limiting column.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model has an anti-impact mechanism, a corrosion-resistant layer is fixedly connected to the inside of the core tube, and the material of the corrosion-resistant layer is polytetrafluoroethylene, which can improve the corrosion resistance of the core tube, and a buffer layer is fixedly connected to the outer wall of the corrosion-resistant layer, and the material of the buffer layer is PPR, which can improve the impact resistance of the core tube;

[0014] 2. The utility model provides an outer sleeve, a core tube and a sealing mechanism, wherein a first blocking material layer is fixedly connected to the inside of the sealing blocking material, and silicone rubber is placed inside the first blocking material layer, and a second blocking material layer is fixedly connected to the outer wall of the first blocking material layer, and asbestos packing is placed inside the second blocking material layer, so as to improve the sealing between the outer sleeve and the core tube and achieve the effect of preventing leakage;

[0015] 3. The utility model provides an outer sleeve, a core tube, a limiting mechanism and a slot. By moving the limiting column, the insert block is inserted into the slot, the core tube is moved and inserted on the limiting column, and by rotating the threaded sleeve, the mounting plate fixed to the outer wall of the core tube can be limited between the threaded sleeve and the clamping block. The outer sleeve and the core tube can be limited during transportation to prevent relative displacement and rotation between the two. 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 core tube of the utility model;

[0018] Figure 3 This is a cross-sectional view of the core tube of the utility model;

[0019] Figure 4 This is a cross-sectional view of the sealing plugging material of the utility model;

[0020] Figure 5 It is a three-dimensional diagram of the limiting column of the utility model.

[0021] In the figure: 1. outer sleeve; 2. impact-resistant mechanism; 201. core tube; 202. corrosion-resistant layer; 203. buffer layer; 3. sealing mechanism; 301. sealing plugging; 302. first plugging layer; 303. second plugging layer; 4. limiting mechanism; 401. limiting column; 402. insert block; 403. clamping block; 404. threaded sleeve; 5. flange; 6. flange column; 7. slot; 8. sealing clamping plate. 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 sleeve compensator with good impact resistance comprises an outer sleeve 1, an anti-impact mechanism 2 is movably connected inside the outer sleeve 1, a flange 5 is fixedly connected to the outer wall of the outer sleeve 1, a flange column 6 is installed on the outer wall of the flange 5, the anti-impact mechanism 2 comprises a core tube 201, a corrosion-resistant layer 202 and a buffer layer 203, the corrosion-resistant layer 202 is fixedly connected inside the core tube 201, the buffer layer 203 is fixedly connected to the outer wall of the corrosion-resistant layer 202, the corrosion-resistant layer 202 is made of polytetrafluoroethylene, and the buffer layer 203 is made of PPR, which can improve the corrosion resistance and stamping resistance of the core tube 201.

[0025] See also Figure 1-5 A sleeve compensator with good impact resistance, the outer wall of the impact resistance mechanism 2 is fixedly connected with a sealing card plate 8, one side of the sealing card plate 8 is fixedly connected with a sealing mechanism 3, the sealing mechanism 3 includes a sealing plugging material 301, a first plugging material layer 302 and a second plugging material layer 303, the interior of the sealing plugging material 301 is fixedly connected with the first plugging material layer 302, the outer wall of the first plugging material layer 302 is fixedly connected with the second plugging material layer 303, silicone rubber is placed inside the first plugging material layer 302, and asbestos packing is placed inside the second plugging material layer 303, which can improve the sealing between the outer sleeve 1 and the core tube 201.

[0026] See also Figure 1-5A sleeve compensator with good impact resistance, a slot 7 is opened inside the flange 5, and the slot 7 is internally movably connected to a limiting mechanism 4, the limiting mechanism 4 includes a limiting column 401, an insert block 402, a clamping block 403 and a threaded sleeve 404, the bottom of the limiting column 401 is fixedly connected with the insert block 402, the outer wall of the limiting column 401 is fixedly connected with the clamping block 403, the outer wall of the limiting column 401 is threadedly connected with the threaded sleeve 404, the insert block 402 is engaged with the flange 5 through the slot 7, and one end of the outer wall of the limiting column 401 is provided with a thread, which can limit the outer sleeve 1 and the core tube 201 during transportation to prevent relative displacement and rotation between the two.

[0027] Working principle: When in use, the corrosion-resistant layer 202 is fixedly connected to the inside of the core tube 201, and the material of the corrosion-resistant layer 202 is polytetrafluoroethylene, which can improve the corrosion resistance of the core tube 201. The buffer layer 203 is fixedly connected to the outer wall of the corrosion-resistant layer 202, and the material of the buffer layer 203 is PPR, which can improve the impact resistance of the core tube 201. The first blocking material layer 302 is fixedly connected to the inside of the sealing blocking material 301, and silicone rubber is placed inside the first blocking material layer 302. The second blocking material layer 303 is fixedly connected to the outer wall of the first blocking material layer 302, and the inner wall of the second blocking material layer 303 is fixedly connected to the second blocking material layer 303. Asbestos packing is placed in the inner part to improve the sealing between the outer sleeve 1 and the core tube 201. By moving the limiting column 401, the insert block 402 is inserted into the slot 7, the core tube 201 is moved and inserted on the limiting column 401, and by rotating the threaded sleeve 404, the mounting plate fixed to the outer wall of the core tube 201 can be limited between the threaded sleeve 404 and the block 403. The outer sleeve 1 and the core tube 201 can be limited during transportation to prevent relative displacement and rotation between the two. In this way, the use process of the device is completed. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.

[0028] 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.

[0029] 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 sleeve compensator with good impact resistance, comprising an outer sleeve (1), characterized in that: The outer sleeve (1) is movably connected to an anti-impact mechanism (2), the outer wall of the outer sleeve (1) is fixedly connected to a flange (5), and the outer wall of the flange (5) is installed with a flange column (6); The outer wall of the impact-resistant mechanism (2) is fixedly connected to a sealing cardboard (8), one side of the sealing cardboard (8) is fixedly connected to a sealing mechanism (3), the sealing mechanism (3) comprises a sealing plugging material (301), a first plugging material layer (302) and a second plugging material layer (303), the interior of the sealing plugging material (301) is fixedly connected to the first plugging material layer (302), and the outer wall of the first plugging material layer (302) is fixedly connected to the second plugging material layer (303); A slot (7) is provided inside the flange (5), and a limiting mechanism (4) is movably connected inside the slot (7). The limiting mechanism (4) comprises a limiting column (401), an insert block (402), a clamping block (403) and a threaded sleeve (404). The bottom of the limiting column (401) is fixedly connected to the insert block (402), the outer wall of the limiting column (401) is fixedly connected to the clamping block (403), and the outer wall of the limiting column (401) is threadedly connected to the threaded sleeve (404).

2. A sleeve compensator with good impact resistance according to claim 1, characterized in that: The impact-resistant mechanism (2) comprises a core tube (201), a corrosion-resistant layer (202) and a buffer layer (203); the interior of the core tube (201) is fixedly connected to the corrosion-resistant layer (202); and the outer wall of the corrosion-resistant layer (202) is fixedly connected to the buffer layer (203).

3. A sleeve compensator with good impact resistance according to claim 2, characterized in that: The material of the corrosion-resistant layer (202) is polytetrafluoroethylene, and the material of the buffer layer (203) is PPR.

4. The sleeve compensator with good impact resistance according to claim 1 is characterized in that: Silicon rubber is placed inside the first blocking layer (302), and asbestos packing is placed inside the second blocking layer (303).

5. The sleeve compensator with good impact resistance according to claim 1 is characterized in that: The insert block (402) is snap-connected with the flange (5) via a slot (7), and one end of the outer wall of the limiting column (401) is provided with a thread.

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