Rotating wheel sealing structure

Abstract

The utility model discloses a rotating wheel sealing structure which comprises a main shaft, a bearing sleeved at the side end of the main shaft, a main rotating wheel fixedly connected at the side end of the bearing, a sealing ring sleeved at the side end of the main rotating wheel, sealing gaskets arranged at the front end and the rear end of the main rotating wheel, and the sealing gaskets are sleeved with the main shaft; the sealing sleeves are connected with the main shaft in a sleeving mode, the side ends of the sealing sleeves are fixedly connected with first mounting rings, and the sealing sleeves are symmetrically distributed on the front side and the rear side of the main rotating wheel; the sealing covers are sleeved with the sealing sleeves, the sealing covers are symmetrically distributed on the front side and the rear side of the main rotating wheel, the ends, away from the main rotating wheel, of the sealing covers are fixedly connected with second mounting rings, and the second mounting rings are fixedly connected with the first mounting rings through bolts. The sealing gasket, the sealing ring, the sealing sleeve and the sealing cover form an omnibearing sealing mechanism, the structure is tight, the area of a sealing surface is large, and the sealing performance is good; an assembly structure is formed by the sealing sleeve, the sealing cover, the mounting ring and the bolt, the structure is stable and firm, disassembly and assembly are convenient, and overhaul and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical seals, in particular to a rotary wheel seal structure. Background Art

[0002] When the existing impeller sealing structure seals the impeller, the sealing component is single, the sealing surface formed by the sealing component is not large, and the sealing performance is limited; the assembly structure of the sealing structure is complex and difficult to disassemble, which is not conducive to the inspection and maintenance of the impeller sealing structure. The Chinese patent discloses a "zeolite rotor partition sealing structure", whose application number is "CN202221091769.5", which includes a rotor frame, an annular sealing ring is arranged on the rotor frame, and the concentration rotor is located in the annular sealing ring; it also includes a partition sealing mechanism, which cooperates with the annular sealing ring to achieve the sealing of the end face of the concentration rotor; the partition sealing mechanism includes an arc sealing component, and at least a first radial sealing component and a third radial sealing component are arranged between the arc sealing component and the annular sealing ring, and the first radial sealing component and the third radial sealing component both extend radially along the annular sealing ring; the arc sealing component, the first radial sealing component, the annular sealing ring and the third radial sealing component are connected and sealed in sequence; the arc sealing component includes an arc main partition, an inner arc sealing strip and an outer arc sealing strip, the arc main partition is installed on the rotor frame, and the inner arc sealing strip and the outer arc sealing strip are adjustably installed on the inner side and the outer side of the arc main partition respectively; the sealing structure improves the sealing effect and improves the working efficiency of the zeolite rotor. However, the sealing surface area within the structure is insufficient and the sealing performance is limited; the assembly structure is complex and difficult to disassemble, which is not conducive to inspection and maintenance. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a rotor sealing structure, which comprises an all-round sealing mechanism composed of a sealing gasket, a sealing ring, a sealing sleeve and a sealing cover, has a tight structure, a large sealing surface area and good sealing performance; and an assembly structure composed of a sealing sleeve, a sealing cover, a mounting ring and bolts, has a stable and firm structure, is easy to disassemble and assemble, and is conducive to the inspection and maintenance of the rotor sealing structure.

[0004] The utility model also provides a wheel sealing structure as mentioned above, comprising: a main shaft, a side end of the main shaft is sleeved with a bearing, the side end of the bearing is fixedly connected to a main wheel, the side end of the main wheel is sleeved with a sealing ring, front and rear ends of the main wheel are provided with sealing gaskets, the sealing gasket is sleeved with the main shaft; a sealing sleeve, the sealing sleeve is sleeved with the main shaft, the side end of the sealing sleeve is fixedly connected with a first mounting ring, the sealing sleeve is symmetrically distributed on the front and rear sides of the main wheel; a sealing cover, the sealing cover is sleeved with the sealing sleeve, the sealing cover is symmetrically distributed on the front and rear sides of the main wheel, the end of the sealing cover away from the main wheel is fixedly connected with a second mounting ring, and the second mounting ring is fixedly connected to the first mounting ring by bolts.

[0005] According to the rotary wheel sealing structure of the utility model, a roller is arranged in the bearing to facilitate the rotation of the main rotary wheel. The roller is cylindrical to improve the stability of the bearing rotation.

[0006] According to the rotary wheel sealing structure of the utility model, the end of the sealing gasket close to the main rotary wheel abuts against the main rotary wheel, making the structure tight. The side end of the sealing gasket abuts against the side inner wall of the sealing ring, making the structure tight.

[0007] According to the rotary wheel sealing structure of the utility model, the end of the sealing sleeve close to the main rotary wheel abuts against the end of the sealing pad away from the main rotary wheel, so that the structure is tight.

[0008] According to the rotary wheel sealing structure of the utility model, a first threaded hole is arranged in the first mounting ring. Mounting bolts.

[0009] According to the rotary wheel sealing structure described in the utility model, the rear inner wall of the sealing cover abuts against the end of the sealing pad away from the main rotary wheel, making the structure tight. The rear inner wall of the sealing cover abuts against the sealing ring, making the structure tight. The side inner wall of the sealing cover abuts against the side end of the sealing ring, making the structure tight.

[0010] According to the rotary wheel sealing structure of the utility model, a second threaded hole is provided in the second mounting ring to facilitate the installation of bolts. The end of the second mounting ring away from the main rotary wheel abuts against the end of the first mounting ring close to the main rotary wheel to make the structure tight.

[0011] Beneficial Effects

[0012] 1. Compared with the prior art, the rotor sealing structure of this invention forms an all-round sealing mechanism through a sealing pad, a sealing ring, a sealing sleeve and a sealing cover, has a tight structure, a large sealing surface area and good sealing performance;

[0013] 2. Compared with the prior art, the impeller sealing structure of the present invention is composed of an assembly structure consisting of a sealing sleeve, a sealing cover, a mounting ring and bolts. The structure is stable and firm, and is easy to disassemble and assemble, which is beneficial to the inspection and maintenance of the impeller sealing structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the explosion structure of a rotary wheel sealing structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a rotary wheel sealing structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the longitudinal section structure of a rotary wheel sealing structure of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of a transverse cross-sectional structure of a rotary wheel sealing structure.

[0019] Legend:

[0020] 1. Main shaft; 2. Sealing cover; 3. First threaded hole; 4. Sealing sleeve; 5. Bolt; 6. First mounting ring; 7. Second threaded hole; 8. Second mounting ring; 9. Roller; 10. Main runner; 11. Bearing; 12. Sealing ring; 13. Sealing gasket. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment provides a wheel sealing structure, which includes: a main shaft 1, a side end of the main shaft 1 is sleeved with a bearing 11 to support the wheel and ensure its smooth rotation, a roller 9 is arranged in the bearing 11 to make the bearing run, the roller 9 is cylindrical to form a stable structure, the side end of the bearing 11 is fixedly connected with a main wheel 10 to rotate, the side end of the main wheel 10 is sleeved with a sealing ring 12 to seal, the front and rear ends of the main wheel 10 are provided with a sealing gasket 13 to seal, the sealing gasket 13 is sleeved with the main shaft 1 to form a compact structure, one end of the sealing gasket 13 close to the main wheel 10 abuts against the main wheel 10 to form a tight structure, and the side end of the sealing gasket 13 abuts against the side inner wall of the sealing ring 12 to form a tight structure;

[0023] The sealing sleeve 4 is sleeved with the main shaft 1 to form a compact structure. The side end of the sealing sleeve 4 is fixedly connected with a first mounting ring 6 for docking and fixing. The first mounting ring 6 is provided with a first threaded hole 3 for mounting bolts. The sealing sleeve 4 is symmetrically distributed on the front and rear sides of the main runner 10 to form a sealing layout. The end of the sealing sleeve 4 close to the main runner 10 is in contact with the end of the sealing gasket 13 away from the main runner 10 to form a tight structure.

[0024] The sealing cover 2 is sleeved with the sealing sleeve 4 to form a compact structure. The sealing cover 2 is symmetrically distributed on the front and rear sides of the main runner 10 to form a sealing layout. The rear inner wall of the sealing cover 2 abuts against the end of the sealing gasket 13 away from the main runner 10 to form a tight structure. The rear inner wall of the sealing cover 2 abuts against the sealing ring 12 to form a tight structure. The side inner wall of the sealing cover 2 abuts against the side end of the sealing ring 12 to form a tight structure. The end of the sealing cover 2 away from the main runner 10 is fixedly connected with a second mounting ring 8 for docking and fixing. A second threaded hole 7 is provided in the second mounting ring 8 for mounting bolts. The end of the second mounting ring 8 away from the main runner 10 abuts against the end of the first mounting ring 6 close to the main runner 10 to form a compact structure. The second mounting ring 8 is fixedly connected to the first mounting ring 6 by bolts 5 to form a firm structure.

[0025] Working principle: Assemble the wheel sealing structure, install sealing gaskets 13 at the front and rear ends of the main wheel 10, install sealing rings 12 at the side ends of the main wheel 10, install sealing sleeves 4 at the front and rear sides of the main wheel 10, install sealing covers 2 on the sealing sleeves 4, and cover the main wheel 10, sealing gaskets 13 and sealing rings 12 through the sealing covers 2 to form a sealing structure with a large sealing surface.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A rotor sealing structure, characterized in that: include: A main shaft (1), a side end of the main shaft (1) is sleeved with a bearing (11), a side end of the bearing (11) is fixedly connected with a main rotating wheel (10), a side end of the main rotating wheel (10) is sleeved with a sealing ring (12), front and rear ends of the main rotating wheel (10) are provided with sealing pads (13), and the sealing pads (13) are sleeved with the main shaft (1); A sealing sleeve (4), the sealing sleeve (4) being sleeved on the main shaft (1), a first mounting ring (6) being fixedly connected to a side end of the sealing sleeve (4), and the sealing sleeve (4) being symmetrically distributed on the front and rear sides of the main impeller (10); A sealing cover (2), wherein the sealing cover (2) is sleeved with the sealing sleeve (4), and the sealing cover (2) is symmetrically distributed on the front and rear sides of the main impeller (10). One end of the sealing cover (2) away from the main impeller (10) is fixedly connected to a second mounting ring (8), and the second mounting ring (8) is fixedly connected to the first mounting ring (6) via bolts (5).

2. A rotor sealing structure according to claim 1, characterized in that: A roller (9) is arranged inside the bearing (11), and the roller (9) is cylindrical.

3. A rotor sealing structure according to claim 1, characterized in that: One end of the sealing gasket (13) close to the main rotor (10) abuts against the main rotor (10), and the side end of the sealing gasket (13) abuts against the side inner wall of the sealing ring (12).

4. A rotor sealing structure according to claim 1, characterized in that: One end of the sealing sleeve (4) close to the main rotor (10) abuts against one end of the sealing gasket (13) away from the main rotor (10).

5. A rotor sealing structure according to claim 1, characterized in that: A first threaded hole (3) is provided in the first mounting ring (6).

6. A rotor sealing structure according to claim 1, characterized in that: The rear inner wall of the sealing cover (2) abuts against an end of the sealing pad (13) away from the main impeller (10), the rear inner wall of the sealing cover (2) abuts against the sealing ring (12), and the side inner wall of the sealing cover (2) abuts against the side end of the sealing ring (12).

7. A rotor sealing structure according to claim 1, characterized in that: A second threaded hole (7) is provided in the second mounting ring (8), and an end of the second mounting ring (8) away from the main rotating wheel (10) abuts against an end of the first mounting ring (6) close to the main rotating wheel (10).

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