Fully-sealed metal corrugated compensator

Abstract

The fully-sealed metal corrugated compensator comprises a corrugated compensator body, a flange plate is fixedly installed at an opening of the corrugated compensator body, a protection mechanism is detachably installed on the outer side of the flange plate, and the protection mechanism comprises two protection plate assemblies, a pre-connection assembly and a bolt assembly. The pre-connection assembly is used for pre-connecting the protection plate assembly and the flange plate, the bolt assembly is used for locking and fixing the protection plate assembly in the pre-connection state and the flange plate, and according to the protection mechanism, the two sets of fixed protection plates and movable protection plates in the butt joint state are arranged outside the corrugated compensator in a sleeving mode; and the overall length of the two sets of fixed protection plates and the movable protection plates can be adjusted according to the actual length of the corrugated compensator, so that the two sets of fixed protection plates and the movable protection plates which are installed completely protect the corrugated compensator, and the situation that the fully-sealed metal corrugated compensator installed outdoors is prone to being damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of compensators, in particular to a fully sealed metal corrugated compensator. Background Art

[0002] The bellows compensator is a compensating element that utilizes the effective expansion and contraction of its working body, the bellows, to absorb the dimensional changes of pipelines, ducts, containers, etc. caused by thermal expansion and contraction, or to compensate for the axial, lateral and angular displacement of pipelines, ducts, containers, etc. It can also be used to reduce noise and vibration.

[0003] Existing fully sealed metal corrugated compensators are usually installed on outdoor pipes. After long-term use, the surface of the corrugated compensators installed outdoors will be eroded by rain and snow, and the gaps in the corrugated compensators are also easily corroded, causing the corrugated compensators as a whole to be easily damaged, affecting the normal use of the fully sealed metal corrugated compensators. Utility Model Content

[0004] The utility model aims to provide a fully sealed metal corrugated compensator to solve the problem that the fully sealed metal corrugated compensator installed outdoors is easily damaged as mentioned in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a fully sealed metal corrugated compensator, comprising a corrugated compensator, a flange is fixedly installed at the opening of the corrugated compensator, a protective mechanism is detachably installed on the outer side of the flange, and the protective mechanism is used to protect the corrugated compensator;

[0006] The protection mechanism includes two sets of protection plate assemblies, a pre-connection assembly and a bolt assembly;

[0007] The pre-connection assembly is used to pre-connect the protection plate assembly with the flange;

[0008] The bolt assembly is used to lock and fix the protective plate assembly in a pre-connected state to the flange; the protective plate assembly in an installed state is used to protect the corrugated compensator.

[0009] Preferably, the protective plate assembly includes a fixed protective plate, a cavity, a movable protective plate and a spring; the fixed protective plate is sleeved on the outside of the corrugated compensator, the cavity is opened inside the fixed protective plate, the movable protective plate is slidably connected to the inside of the cavity and extends to the outside, the spring is installed on the inner wall of the cavity, and the end of the cavity is fixedly connected to the fixed protective plate.

[0010] Preferably, the movable protective plate in the outward moving state is used to stretch the spring, and the spring in the reset state is used to drive the movable protective plate to move inward.

[0011] Preferably, the pre-connection assembly includes a T-slot and a T-block;

[0012] The T-shaped groove is opened on the outer wall of the flange and extends toward the inside thereof, and the T-shaped block is fixedly connected to the end of the movable protective plate.

[0013] Preferably, the T-slot is used for inserting the T-block therein, and the T-slot and the T-block in the engaged state are used for pre-connecting the movable protective plate and the flange.

[0014] Preferably, the bolt assembly comprises a bracket and a bolt;

[0015] The bracket is fixedly connected to the outer wall of the movable protective plate, and the bolt is threadedly connected to the bracket.

[0016] Preferably, the bolts in a tightened state are used to dock and assemble the two groups of the fixed protective plates with the movable protective plates, and the two groups of the fixed protective plates and the movable protective plates in a docked state are sleeved on the outside of the corrugated compensator.

[0017] Compared with the prior art, the beneficial effect of the utility model is that the protective mechanism enables the two groups of fixed protective plates and the movable protective plates in the docking state to be sleeved on the outside of the corrugated compensator, and the overall length of the two groups of fixed protective plates and the movable protective plates can be adjusted according to the actual length of the corrugated compensator, so that the two installed groups of fixed protective plates and the movable protective plates protect the corrugated compensator, avoiding the situation where the fully sealed metal corrugated compensator installed outdoors is easily damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the protection mechanism of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the protective mechanism of the utility model from another perspective;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixed protective plate of the utility model.

[0022] In the figure: 1, corrugated compensator; 2, flange; 3, protective mechanism; 301, fixed protective plate; 302, cavity; 303, movable protective plate; 304, bracket; 305, T-slot; 306, T-block; 307, bolt; 308, spring. DETAILED DESCRIPTION

[0023] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution of a fully sealed metal corrugated compensator: a fully sealed metal corrugated compensator, comprising a corrugated compensator 1, a flange 2 is fixedly installed at the opening of the corrugated compensator 1, and a protective mechanism 3 is disassembled and installed on the outer side of the flange 2, and the protective mechanism 3 is used to protect the corrugated compensator 1;

[0025] The protection mechanism 3 includes two sets of protection plate assemblies, a pre-connection assembly and a bolt assembly;

[0026] The pre-connection assembly is used to pre-connect the protection plate assembly with the flange 2;

[0027] The bolt assembly is used to lock and fix the protective plate assembly in the pre-connected state with the flange 2;

[0028] The installed protective plate assembly is used to protect the corrugated compensator 1.

[0029] Please refer to Figure 4 , the protective plate assembly includes a fixed protective plate 301, a cavity 302, a movable protective plate 303 and a spring 308;

[0030] The fixed protective plate 301 is sleeved on the outside of the corrugated compensator 1, the cavity 302 is opened inside the fixed protective plate 301, the movable protective plate 303 is slidably connected to the inside of the cavity 302 and extends to the outside thereof, the spring 308 is installed on the inner wall of the cavity 302, and the end of the cavity 302 is fixedly connected to the fixed protective plate 301.

[0031] In this embodiment: when the length of the corrugated compensator 1 is long, the movable protective plate 303 is moved toward the outside of the cavity 302, and the movable protective plate 303 moving toward the outside stretches the spring 308, thereby increasing the overall length of a group of movable protective plates 303 and the fixed protective plate 301.

[0032] Please refer to Figure 4 The movable protective plate 303 in the outward moving state is used to stretch the spring 308, and the spring 308 in the reset state is used to drive the movable protective plate 303 to move inward.

[0033] In this embodiment, the movable protective plate 303 moves toward the outside of the cavity 302 , and the movable protective plate 303 in the state of moving toward the outside stretches the spring 308 .

[0034] Please refer to Figure 2 , the pre-connection assembly includes a T-slot 305 and a T-block 306;

[0035] The T-shaped slot 305 is formed on the outer wall of the flange 2 and extends inwardly thereof. The T-shaped block 306 is fixedly connected to the end of the movable protective plate 303 .

[0036] In this embodiment: by inserting the T-block 306 at the end of a group of movable protective plates 303 into the T-slot 305, the T-block 306 is engaged with the T-slot 305, and the engaged T-slot 305 and the T-block 306 pre-connect the group of movable protective plates 303 with the flange 2.

[0037] Please refer to Figure 2 The T-slot 305 is used for inserting the T-block 306 therein, and the engaged T-slot 305 and the T-block 306 are used to pre-connect the movable protective plate 303 and the flange 2 .

[0038] In this embodiment, the T-shaped block 306 is engaged with the T-shaped slot 305 , and the engaged T-shaped slot 305 and the T-shaped block 306 pre-connect a set of movable protective plates 303 with the flange 2 .

[0039] Please refer to Figure 3 , the bolt assembly includes a bracket 304 and a bolt 307;

[0040] The bracket 304 is fixedly connected to the outer wall of the movable protective plate 303 , and the bolt 307 is threadedly connected to the bracket 304 .

[0041] In this embodiment: by threading the bolts 307 with the two groups of brackets 304, the tightened bolts 307 dock and assemble the two groups of fixed protective plates 301 and the movable protective plates 303, so that the two groups of fixed protective plates 301 and the movable protective plates 303 in the docking state are sleeved on the outside of the corrugated compensator 1.

[0042] Please refer to Figure 3 The tightened bolts 307 are used to dock and assemble the two sets of fixed protective plates 301 and the movable protective plates 303, and the two sets of fixed protective plates 301 and the movable protective plates 303 in the docking state are sleeved on the outside of the corrugated compensator 1.

[0043] In this embodiment: two sets of fixed protective plates 301 and movable protective plates 303 are fixedly installed on the outer sides of the two flanges 2, so that the two sets of fixed protective plates 301 and movable protective plates 303 that have been installed protect the corrugated compensator 1.

[0044] Working principle: When the corrugated compensator 1 needs to be protected, firstly, a group of movable protective plates 303 and fixed protective plates 301 are put on the outside of the corrugated compensator 1, and then the T-shaped block 306 at the end of a group of movable protective plates 303 is inserted into the T-shaped slot 305, so that the T-shaped block 306 is engaged with the T-shaped slot 305, and the engaged T-shaped slot 305 and T-shaped block 306 pre-connect a group of movable protective plates 303 with the flange 2. Since the length of the corrugated compensator 1 can be adjusted, when the length of the corrugated compensator 1 is long, a group of movable protective plates 303 is moved to the outside of the cavity 302, and the group of movable protective plates 303 in the outward moving state stretches a group of springs 308, thereby increasing a group of movable protective plates 303 and fixed The overall length of the fixed protective plate 301 is determined. At this time, another set of movable protective plates 303 and the fixed protective plates 301 are also sleeved on the outside of the corrugated compensator 1 as described above, and then the bolts 307 are threadedly connected to the two sets of brackets 304. The tightened bolts 307 dock and assemble the two sets of fixed protective plates 301 and the movable protective plates 303, so that the two sets of fixed protective plates 301 and the movable protective plates 303 in the docking state are sleeved on the outside of the corrugated compensator 1, and the two sets of fixed protective plates 301 and the movable protective plates 303 are fixedly installed on the outside of the two flanges 2, so that the two sets of fixed protective plates 301 and the movable protective plates 303 that have been installed protect the corrugated compensator 1 and avoid the corrugated compensator 1 installed outdoors from being easily damaged.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully sealed metal bellows compensator, comprising a bellows compensator (1), wherein a flange (2) is fixedly mounted at the opening of the bellows compensator (1), characterized in that: A protective mechanism (3) is detachably mounted on the outer side of the flange (2), and the protective mechanism (3) is used to protect the bellows compensator (1); The protection mechanism (3) comprises two sets of protection plate assemblies, a pre-connection assembly and a bolt assembly; The pre-connection assembly is used to pre-connect the protection plate assembly with the flange (2); The bolt assembly is used to lock and fix the protective plate assembly in a pre-connected state with the flange (2); The protective plate assembly in the installed state is used to protect the corrugated compensator (1).

2. A fully sealed metal corrugated compensator according to claim 1, characterized in that: The protective plate assembly comprises a fixed protective plate (301), a cavity (302), a movable protective plate (303) and a spring (308); The fixed protective plate (301) is sleeved on the outside of the corrugated compensator (1), the cavity (302) is opened inside the fixed protective plate (301), the movable protective plate (303) is slidably connected to the inside of the cavity (302) and extends to the outside thereof, the spring (308) is installed on the inner wall of the cavity (302), and the end of the cavity (302) is fixedly connected to the fixed protective plate (301).

3. A fully sealed metal corrugated compensator according to claim 2, characterized in that: The movable protective plate (303) in the outward moving state is used to stretch the spring (308), and the spring (308) in the reset state is used to drive the movable protective plate (303) to move inward.

4. A fully sealed metal corrugated compensator according to claim 2, characterized in that: The pre-connection assembly comprises a T-shaped slot (305) and a T-shaped block (306); The T-shaped groove (305) is opened on the outer wall of the flange (2) and extends toward the inside thereof, and the T-shaped block (306) is fixedly connected to the end of the movable protective plate (303).

5. A fully sealed metal corrugated compensator according to claim 4, characterized in that: The T-shaped groove (305) is used for inserting the T-shaped block (306) therein, and the T-shaped groove (305) and the T-shaped block (306) in a locked state are used to pre-connect the movable protective plate (303) and the flange (2).

6. A fully sealed metal corrugated compensator according to claim 2, characterized in that: The bolt assembly comprises a bracket (304) and a bolt (307); The bracket (304) is fixedly connected to the outer wall of the movable protective plate (303), and the bolt (307) is threadedly connected to the bracket (304).

7. A fully sealed metal corrugated compensator according to claim 6, characterized in that: The bolts (307) in a tightened state are used to dock and assemble the two groups of the fixed protective plates (301) and the movable protective plates (303), and the two groups of the fixed protective plates (301) and the movable protective plates (303) in a docked state are sleeved on the outside of the corrugated compensator (1).

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