Corrugated pipe compensator with leakage-proof function

Abstract

The utility model discloses a bellows compensator with leakproof function, which comprises two flange plates arranged in parallel, a bellows body arranged between the two flange plates and connecting lugs arranged on the outer surfaces of the flange plates, a leakproof mechanism is arranged between the two flange plates, and the leakproof mechanism comprises a lantern ring, a telescopic component and a spring. The lantern ring is arranged in the middle of the outer surface of the corrugated pipe body, the telescopic assembly and the driven assembly are arranged between one side of the lantern ring and the inner side of the connecting lug, the outer surface of the telescopic assembly is sleeved with the spring, and one end of the telescopic assembly is fixedly connected with the inner side of the connecting lug; one end of the driven assembly is fixedly connected with one side of a lantern ring, a connecting rod is arranged between the connecting lug and the lantern ring, the lantern ring which is arranged between the two flange plates arranged in parallel and arranged on the outer surface of the corrugated pipe body in a sleeving mode is matched with the telescopic assembly to make tight contact with the driven assembly all the time, and the flange plates and the corrugated pipe body are stably embedded all the time; and the phenomenon of oil leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows compensators, in particular to a bellows compensator with a leak-proof function. Background Art

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

[0003] After the connection is installed, due to the deformation of other pipes, the bellows will stretch and compress after compensation. When frequent stretching and compression occur, the fit between the bellows body and the flange will be unstable, resulting in a larger fit gap and oil leakage, which in turn causes excessive pressure in the pipeline and causes oil leakage in the compensator. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a bellows compensator with a leak-proof function, which can solve the technical problem that the fit between the bellows body and the flange is unstable, resulting in the enlargement of the fit gap and oil leakage, which in turn leads to excessive pressure in the pipeline causing oil leakage in the compensator.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a bellows compensator with a leak-proof function, comprising two parallel flanges, a bellows body connected between the two flanges, and a connecting ear arranged on the outer surface of the flange, a leak-proof mechanism for preventing oil leakage is arranged between the two flanges, the leak-proof mechanism comprises a collar, a telescopic assembly, a spring, a driven assembly and a connecting rod, the collar is arranged at the middle of the outer surface of the bellows body, a telescopic assembly and a driven assembly are arranged between one side of the collar and the inner side of the connecting ear, the telescopic assembly comprises a first sleeve, The first sleeve is arranged on the inner side of the connecting ear, and a first fixing rod is movably arranged inside the first sleeve, one end of the first fixing rod is fixedly connected to one side of the collar, a slide is movably arranged on the outer surface of the first sleeve, a spring is sleeved on the outer surface of the telescopic assembly, two ends of the spring are respectively fixedly connected to the inner side of the connecting ear and one side of the slide, and the spring is sleeved on the outer surface of the first sleeve, one end of the telescopic assembly is fixedly connected to the inner side of the connecting ear, one end of the driven assembly is fixedly connected to one side of the collar, a connecting rod is arranged between the connecting ear and the collar, and the connecting rod is fixedly connected to the connecting ear and the collar.

[0006] As a preferred technical solution of the utility model, a limiting groove is extended inwardly on the outer surface of the first sleeve, a limiting block is arranged on the inner surface of the slide plate, and the limiting block is movably connected to the limiting groove.

[0007] As a preferred technical solution of the utility model, the driven assembly includes a third sleeve, the third sleeve is arranged on one side of the collar, and the outer surface of the third sleeve is sleeved with the second sleeve.

[0008] As a preferred technical solution of the utility model, a buffer pad is provided on one side of the second sleeve.

[0009] As a preferred technical solution of the utility model, a plurality of the anti-leakage mechanisms are provided, and the plurality of anti-leakage mechanisms are symmetrically arranged along two sides of the ring.

[0010] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0011] By coordinating the telescopic assembly and the driven assembly between two parallel flanges and sleeved on the outer surface of the bellows body, the flange and the bellows body are always in close contact, thereby avoiding oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the bellows compensator of the utility model;

[0013] Figure 2 It is a three-dimensional structural schematic diagram of the collar and the driven component of the utility model;

[0014] Figure 3 It is a partial three-dimensional structural schematic diagram of the leakage prevention mechanism of the utility model;

[0015] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the telescopic assembly of the utility model;

[0016] Figure 5 It is a partial cross-sectional structural schematic diagram of the leakage prevention mechanism of the utility model;

[0017] Figure 6 It is a three-dimensional structural schematic diagram of the skateboard of the utility model;

[0018] Among them: 1. flange; 2. bellows body; 3. connecting ear; 4. anti-leakage mechanism; 41. ring; 42. telescopic assembly; 421. first sleeve; 422. limiting groove; 423. slide plate; 424. first fixed rod; 425. limiting block; 43. spring; 44. driven assembly; 441. second sleeve; 4411. buffer pad; 442. third sleeve; 45. connecting rod. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1-6 As shown, the utility model provides a bellows compensator with a leak-proof function, comprising two parallel flanges 1, a bellows body 2 connected between the two flanges 1, and a connecting ear 3 arranged on the outer surface of the flange 1, a leak-proof mechanism 4 for preventing oil leakage is arranged between the two flanges 1, the leak-proof mechanism 4 comprises a collar 41, a telescopic assembly 42, a spring 43, a driven assembly 44 and a connecting rod 45, the collar 41 is arranged at the middle of the outer surface of the bellows body 2, a telescopic assembly 42 and a driven assembly 44 are arranged between one side of the collar 41 and the inner side of the connecting ear 3, a spring 43 is sleeved on the outer surface of the telescopic assembly 42, one end of the telescopic assembly 42 is fixedly connected to the inner side of the connecting ear 3, one end of the driven assembly 44 is fixedly connected to one side of the collar 41, a connecting rod 45 is arranged between the connecting ear 3 and the collar 41, and the connecting rod 45 is fixedly connected to both the connecting ear 3 and the collar 41;

[0022] The collar 41 between the two parallel flanges 1 and sleeved on the outer surface of the bellows body 2 cooperates with the telescopic assembly 42 and the driven assembly 44 to always be in close contact, so that the connection between the flange 1 and the bellows body 2 is always closely connected, thereby achieving the function of preventing oil leakage;

[0023] like Figure 4 and Figure 5 As shown, the telescopic assembly 42 includes a first sleeve 421, which is arranged on the inner side of the connecting ear 3, and a first fixing rod 424 is movably arranged inside the first sleeve 421, one end of the first fixing rod 424 is fixedly connected to one side of the collar 41, and a slide plate 423 is movably arranged on the outer surface of the first sleeve 421, and two ends of the spring 43 are respectively fixedly connected to the inner side of the connecting ear 3 and one side of the slide plate 423, and the spring 43 is sleeved on the outer surface of the first sleeve 421;

[0024] By arranging a sliding first fixing rod 424 inside the first sleeve 421 and arranging a spring 43 between the connecting ear 3 and the slide plate 423, the spring 43 is pressed by pushing the slide plate 423, thereby realizing effective utilization of the elastic reaction force of the spring 43;

[0025] like Figure 4 As shown, the outer surface of the first sleeve 421 extends inward to form a limiting groove 422, and the inner surface of the slide plate 423 is provided with a limiting block 425, and the limiting block 425 is movably connected to the limiting groove 422;

[0026] The limiting groove 422 is extended inwardly on the outer surface of the first sleeve 421 and the limiting block 425 is provided on the inner surface of the slide plate 423 to ensure that the slide plate 423 slides along a straight line when sliding, thereby ensuring the sliding stability of the slide plate 423;

[0027] like Figure 2 and Figure 3 As shown, the driven assembly 44 includes a third sleeve 442, which is disposed on one side of the collar 41, and the outer surface of the third sleeve 442 is sleeved with the second sleeve 441;

[0028] A driven assembly 44 that can cooperate with the telescopic assembly 42 is provided on one side of the collar 41, and the third sleeve 442 is movably connected to the second sleeve 441, so as to ensure that the second sleeve 441 can push the telescopic assembly 42 to move due to the tension between the flange 1 and the bellows body 2;

[0029] like Figure 5 As shown, a buffer pad 4411 is provided on one side of the second sleeve 441;

[0030] A buffer pad 4411 is provided on one side of the second sleeve 441 to prevent the slide plate 423 and the second sleeve 441 from being squeezed too much and damaging each other's surfaces when they are pressed against each other.

[0031] like Figure 1 As shown, a plurality of anti-leakage mechanisms 4 are provided, and the plurality of anti-leakage mechanisms 4 are symmetrically arranged along both sides of the collar 41;

[0032] The purpose of providing a plurality of symmetrically distributed anti-leakage mechanisms 4 is to ensure overall stability;

[0033] Specific working principle:

[0034] When the fit between the flange 1 and the bellows body 2 is unstable, resulting in a larger fit gap, the distance between the flange 1 and the bellows body 2 increases due to the larger gap, so that the flange 1 drives the connecting ear 3 away from the bellows body 2, and then the connecting ear 3 drives the connecting rod 45 away from the flange 1. Since the connecting rod 45 is fixedly connected to the connecting ear 3 and the second sleeve 441, and the second sleeve 441 is in close contact with the slide plate 423, the second sleeve 441 pushes the slide plate 423 to slide on the surface of the limiting groove 422, and the spring 43 is compressed and elastically deformed, thereby causing the spring 43 to generate an interaction force. The spring 43 pushes the slide plate 423 to press the second sleeve 441, and drives the connecting ear 3 to move towards the flange 1, thereby reducing the distance between the bellows body 2 and the flange 1, so that the connection between the flange 1 and the bellows body 2 is always tightly connected, thereby achieving the function of preventing oil leakage.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A bellows compensator with a leak-proof function, comprising two flanges (1) arranged in parallel, a bellows body (2) connected between the two flanges (1), and a connecting ear (3) arranged on the outer surface of the flange (1), Features: A leak-proof mechanism (4) for preventing oil leakage is arranged between the two flanges (1), the leak-proof mechanism (4) comprising a collar (41), a telescopic assembly (42), a spring (43), a driven assembly (44) and a connecting rod (45), the collar (41) being arranged at the middle of the outer surface of the bellows body (2), the telescopic assembly (42) and the driven assembly (44) being arranged between one side of the collar (41) and the inner side of the connecting ear (3), the telescopic assembly (42) comprising a first sleeve (421), the first sleeve (421) being arranged on the inner side of the connecting ear (3), a first fixing rod (424) being movably arranged inside the first sleeve (421), one end of the first fixing rod (424) being in contact with the inner side of the connecting ear (3), and the first fixing rod (424) being in contact with the inner side of the connecting ear (3). One side of the collar (41) is fixedly connected, a slide plate (423) is movably provided on the outer surface of the first sleeve (421), a spring (43) is sleeved on the outer surface of the telescopic assembly (42), two ends of the spring (43) are respectively fixedly connected to the inner side of the connecting ear (3) and one side of the slide plate (423), and the spring (43) is sleeved on the outer surface of the first sleeve (421), one end of the telescopic assembly (42) is fixedly connected to the inner side of the connecting ear (3), one end of the driven assembly (44) is fixedly connected to one side of the collar (41), a connecting rod (45) is provided between the connecting ear (3) and the collar (41), and the connecting rod (45) is fixedly connected to both the connecting ear (3) and the collar (41).

2. A bellows compensator with leak-proof function according to claim 1, Features: A limiting groove (422) is formed by extending inwardly from the outer surface of the first sleeve (421), and a limiting block (425) is provided on the inner surface of the slide plate (423), and the limiting block (425) is movably connected to the limiting groove (422).

3. A bellows compensator with leak-proof function according to claim 1, Features: The driven assembly (44) comprises a third sleeve (442), the third sleeve (442) is arranged on one side of the collar (41), and the outer surface of the third sleeve (442) is sleeved with the second sleeve (441).

4. A bellows compensator with leak-proof function according to claim 3, Features: A buffer pad (4411) is provided on one side of the second sleeve (441).

5. The bellows compensator with leak-proof function according to claim 1, Features: A plurality of the leakage prevention mechanisms (4) are provided, and the plurality of leakage prevention mechanisms (4) are symmetrically arranged along two sides of the collar (41).

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