Bellows expansion joint with flexible adjusting function

By designing an adjustment mechanism for the adjustment screw, adjustment screw sleeve and limit assembly in the corrugated expansion joint, the problem that the existing expansion joint cannot be adjusted is solved, and the adaptive adjustment of the corrugated expansion joint is achieved, which improves the convenience and safety of use.

CN222823936UActive Publication Date: 2025-05-02JIANGSU DALICHENG ELECTRICAL
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Patent Information

Application Number
CN202420810182.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-18
Publication Date
2025-05-02
Estimated Expiration
2034-04-18

AI Technical Summary

Technical Problem

The existing expansion joint expansion limit cannot be adjusted, and it cannot be adjusted adaptively according to the use environment, and the convenience and safety of use are poor.

Method used

A corrugated expansion joint with flexible adjustment function is designed. By setting an adjustment mechanism of an adjustment screw, an adjustment screw sleeve and a limiting assembly, the expansion limit of the corrugated expansion joint can be adjusted.

Benefits of technology

The adaptive adjustment of the corrugated expansion joint is achieved, which improves the convenience, stability and safety of use, and avoids the problem of self-rotation caused by vibration.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222823936U_ABST
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Abstract

The utility model relates to the technical field of bellow expansion joints, and discloses a bellow expansion joint with a flexible adjusting function, which solves the problem that the existing expansion joint cannot be adjusted, and comprises a bellow expansion joint body, the bellow expansion joint body consists of a bellow, a first flange plate, a second flange plate and a plurality of adjusting mechanisms, the adjusting mechanism is composed of an adjusting screw rod, a first adjusting screw sleeve, a second adjusting screw sleeve, a third adjusting screw sleeve, a fourth adjusting screw sleeve and a plurality of limiting assemblies, the adjusting screw rod penetrates through the first flange plate and the second flange plate, and one end of the adjusting screw rod is sleeved with the first adjusting screw sleeve and the second adjusting screw sleeve; the third adjusting screw sleeve and the fourth adjusting screw sleeve are arranged at the other end of the adjusting screw rod in a sleeving mode. The limiting assembly is connected with the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve in a matched mode. By means of the bellow expansion joint, the telescopic range can be adjusted, and adaptability is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of bellows expansion joints, in particular to a bellows expansion joint with a flexible adjustment function. Background Art

[0002] Expansion joints are also customarily called compensators or telescopic joints. Expansion joints are a flexible structure set on container shells or pipelines to compensate for additional stresses caused by temperature differences and mechanical vibrations. When the expansion joint is working, axial, radial and angular displacements will occur depending on the use environment. The expansion limit of existing expansion joints cannot usually be adjusted. When used in different occasions, they cannot be adaptively adjusted according to the use environment, and the convenience of use is not good. Therefore, the present application proposes a corrugated expansion joint with a flexible adjustment function to improve its convenience and safety of use. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a corrugated expansion joint with a flexible adjustment function, which effectively solves the problem that the existing expansion joint cannot be adjusted.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrugated expansion joint with a flexible adjustment function, comprising a corrugated expansion joint body, wherein the corrugated expansion joint body is composed of a bellows, a first flange plate, a second flange plate and a plurality of adjustment mechanisms, the first flange plate and the second flange plate are respectively fixedly connected to the two ends of the bellows, the adjustment mechanism is inserted and connected between the first flange plate and the second flange plate, the adjustment mechanism is composed of an adjusting screw, a first adjusting screw sleeve, a second adjusting screw sleeve, a third adjusting screw sleeve, a fourth adjusting screw sleeve and a plurality of limiting components, the adjusting screw is inserted into the first flange plate and the second flange plate, the first adjusting screw sleeve and the second adjusting screw sleeve are sleeved on one end of the adjusting screw and matched with the first flange plate, the third adjusting screw sleeve and the fourth adjusting screw sleeve are sleeved on the other end of the adjusting screw and matched with the second flange plate, and the limiting component is matched and connected with the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve.

[0005] Preferably, the first flange plate and the second flange plate are both provided with a plurality of bolt connection holes and a plurality of through holes matching the adjusting screws, and the inner diameter of the through holes is larger than the outer diameter of the adjusting screws.

[0006] Preferably, one end of the adjusting screw is provided with a first thread segment matching the first adjusting screw sleeve and the second adjusting screw sleeve, and one end of the adjusting screw is provided with a second thread segment matching the third adjusting screw sleeve and the fourth adjusting screw sleeve.

[0007] Preferably, the limiting assembly is composed of a strip limiting beam and a plurality of locking bolts, the strip limiting beam is provided with a plurality of limiting through holes, the locking bolts are inserted through the limiting through holes and are respectively matched and connected with the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve.

[0008] Preferably, one end of the side of the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve is provided with a plurality of threaded holes matching the locking bolts, and one end of the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve is fixed with a rubber pad matching the first flange plate and the second flange plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] (1) During operation, the expansion and contraction limit of the bellows expansion joint can be adjusted by setting an adjustment mechanism consisting of an adjustment screw, a first adjustment screw sleeve, a second adjustment screw sleeve, a third adjustment screw sleeve, a fourth adjustment screw sleeve and a plurality of limiter components, and can be adaptively adjusted according to different use environments, thereby improving the convenience, stability and safety of use;

[0011] (2) By providing a limiting assembly consisting of a strip limiting beam and a plurality of locking bolts, and providing a threaded hole, the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve after adjustment can be locked and limited, thereby preventing the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve from rotating automatically due to vibration, thereby further improving the safety and stability of the use of the corrugated expansion joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] In the attached picture:

[0014] Figure 1 This is a schematic diagram of the structure of the bellows expansion joint with flexible adjustment function of the utility model;

[0015] Figure 2 This is a schematic diagram of the local structure of the bellows expansion joint with flexible adjustment function of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the limit assembly and the adjustment mechanism of the utility model;

[0018] In the figure: 1. bellows expansion joint body; 2. bellows; 3. first flange plate; 4. second flange plate; 5. adjustment mechanism; 6. adjusting screw; 7. first adjusting screw sleeve; 8. second adjusting screw sleeve; 9. third adjusting screw sleeve; 10. fourth adjusting screw sleeve; 11. limit assembly; 12. bolt connection hole; 13. through hole; 14. first threaded section; 15. second threaded section; 16. strip limit beam; 17. locking bolt; 18. limit through hole; 19. threaded hole; 20. rubber pad. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Depend on Figures 1 to 3 The utility model provides a bellows expansion joint with a flexible adjustment function, comprising a bellows expansion joint body 1, the bellows expansion joint body 1 is composed of a bellows 2, a first flange plate 3, a second flange plate 4 and a plurality of adjustment mechanisms 5, the first flange plate 3 and the second flange plate 4 are respectively fixedly connected to the two ends of the bellows 2, the adjustment mechanism 5 is inserted and connected between the first flange plate 3 and the second flange plate 4, the adjustment mechanism 5 is composed of an adjusting screw 6, a first adjusting screw sleeve 7, a second adjusting screw sleeve 8, a third adjusting screw sleeve 9, a fourth adjusting screw sleeve 10 and a plurality of limiting components 11, the adjusting screw 6 is inserted in the first flange plate 3 and the second flange plate 4, the first adjusting screw sleeve 7 and the second adjusting screw sleeve 8 are sleeved on one end of the adjusting screw 6 and matched with the first flange plate 3, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 are sleeved on the other end of the adjusting screw 6 and matched with the second flange plate 4, and the limiting component 11 is matched and connected with the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10;

[0021] When in use, the bellows expansion joint body 1 is adjusted according to different use environments and different transmission media, and the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 are rotated respectively to move them to the specified position. The distances between the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 and the first flange plate 3 and the second flange plate 4 are the telescopic range of the bellows 2;

[0022] Depend on Figures 1 to 3It is shown that the first flange plate 3 and the second flange plate 4 are both provided with a plurality of bolt connection holes 12 and a plurality of through holes 13 matching the adjusting screw 6, the inner diameter of the through hole 13 is larger than the outer diameter of the adjusting screw 6, one end of the adjusting screw 6 is provided with a first threaded section 14 matching the first adjusting screw sleeve 7 and the second adjusting screw sleeve 8, and one end of the adjusting screw 6 is provided with a second threaded section 15 matching the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10;

[0023] The first threaded section 14 can match the first adjusting screw sleeve 7 and the second adjusting screw sleeve 8, the second threaded section 15 can match the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10, the bolt connection hole 12 can connect the first flange plate 3 and the second flange plate 4 to the pipeline through bolts, and the through hole 13 can match the adjusting screw 6. Since the inner diameter of the through hole 13 is larger than the outer diameter of the adjusting screw 6, the adjusting screw 6 can have a certain degree of mobility, so that the expansion joint can undergo angular displacement;

[0024] Depend on Figures 1 to 4 It is given that the limiting assembly 11 is composed of a strip limiting beam 16 and a plurality of locking bolts 17, a plurality of limiting through holes 18 are provided on the strip limiting beam 16, the locking bolts 17 are inserted into the limiting through holes 18 and are respectively matched and connected with the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10, one end of the side of the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 are all provided with a plurality of threaded holes 19 matching the locking bolts 17, and one end of the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 are all fixedly provided with a rubber pad 20 matching the first flange plate 3 and the second flange plate 4;

[0025] When the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 are adjusted to the specified position, the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 are locked by the strip limiting beam 16 and the locking bolt 17, so that the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 can be limited to avoid them from rotating by themselves due to vibration, thereby improving the stability and safety of the use process, and the rubber pad 20 can prevent the first adjusting screw sleeve 7, the second adjusting screw sleeve 8, the third adjusting screw sleeve 9 and the fourth adjusting screw sleeve 10 from rigidly colliding with the first flange plate 3 and the second flange plate 4.

[0026] During operation, by setting an adjustment mechanism consisting of an adjusting screw, a first adjusting screw sleeve, a second adjusting screw sleeve, a third adjusting screw sleeve, a fourth adjusting screw sleeve and a plurality of limit assemblies, the expansion and contraction limit of the corrugated expansion joint can be adjusted, and adaptive adjustment can be performed according to different use environments, thereby improving the convenience, stability and safety of use; by setting a limit assembly consisting of a strip limit beam and a plurality of locking bolts, and providing threaded holes, the adjusted first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve can be locked and limited, thereby preventing the first adjusting screw sleeve, the second adjusting screw sleeve, the third adjusting screw sleeve and the fourth adjusting screw sleeve from rotating on their own due to vibration, thereby further improving the safety and stability of the use of the corrugated expansion joint.

Claims

1. A bellows expansion joint with flexible adjustment function, comprising a bellows expansion joint body (1), characterized in that: The bellows expansion joint body (1) is composed of a bellows (2), a first flange plate (3), a second flange plate (4) and a plurality of adjustment mechanisms (5). The first flange plate (3) and the second flange plate (4) are respectively fixedly connected to the two ends of the bellows (2). The adjustment mechanism (5) is inserted and connected between the first flange plate (3) and the second flange plate (4). The adjustment mechanism (5) is composed of an adjustment screw (6), a first adjustment screw sleeve (7), a second adjustment screw sleeve (8), a third adjustment screw sleeve (9), a fourth adjustment screw sleeve (10) and a plurality of limit assemblies (1 1), the adjusting screw (6) is inserted into the first flange plate (3) and the second flange plate (4), the first adjusting screw sleeve (7) and the second adjusting screw sleeve (8) are sleeved on one end of the adjusting screw (6) and matched with the first flange plate (3), the third adjusting screw sleeve (9) and the fourth adjusting screw sleeve (10) are sleeved on the other end of the adjusting screw (6) and matched with the second flange plate (4), and the limiting component (11) is matched and connected with the first adjusting screw sleeve (7), the second adjusting screw sleeve (8), the third adjusting screw sleeve (9) and the fourth adjusting screw sleeve (10).

2. The bellows expansion joint with flexible adjustment function according to claim 1, characterized in that: The first flange plate (3) and the second flange plate (4) are both provided with a plurality of bolt connection holes (12) and a plurality of through holes (13) matching the adjusting screw rod (6), and the inner diameter of the through hole (13) is larger than the outer diameter of the adjusting screw rod (6).

3. The bellows expansion joint with flexible adjustment function according to claim 1, characterized in that: One end of the adjusting screw (6) is provided with a first thread segment (14) matching the first adjusting screw sleeve (7) and the second adjusting screw sleeve (8), and one end of the adjusting screw (6) is provided with a second thread segment (15) matching the third adjusting screw sleeve (9) and the fourth adjusting screw sleeve (10).

4. The bellows expansion joint with flexible adjustment function according to claim 1, characterized in that: The limiting assembly (11) is composed of a strip limiting beam (16) and a plurality of locking bolts (17). The strip limiting beam (16) is provided with a plurality of limiting through holes (18). The locking bolts (17) are inserted into the limiting through holes (18) and are respectively matched and connected with the first adjusting screw sleeve (7), the second adjusting screw sleeve (8), the third adjusting screw sleeve (9) and the fourth adjusting screw sleeve (10).

5. The bellows expansion joint with flexible adjustment function according to claim 4, characterized in that: A plurality of threaded holes (19) matching the locking bolts (17) are provided at one end of the side of the first adjusting screw sleeve (7), the second adjusting screw sleeve (8), the third adjusting screw sleeve (9) and the fourth adjusting screw sleeve (10); and a rubber pad (20) matching the first flange plate (3) and the second flange plate (4) is fixedly provided at one end of the first adjusting screw sleeve (7), the second adjusting screw sleeve (8), the third adjusting screw sleeve (9) and the fourth adjusting screw sleeve (10).