CN216045440U - Mechanical seal for large circulation pump of cast flange structure - Google Patents
Mechanical seal for large circulation pump of cast flange structure Download PDFInfo
- Publication number
- CN216045440U CN216045440U CN202023268090.2U CN202023268090U CN216045440U CN 216045440 U CN216045440 U CN 216045440U CN 202023268090 U CN202023268090 U CN 202023268090U CN 216045440 U CN216045440 U CN 216045440U
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- flange
- ring
- rotating shaft
- shaft sleeve
- mechanical seal
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Abstract
The utility model discloses a mechanical seal for a large circulation pump with a cast flange structure, which comprises a rotating shaft, wherein a shaft sleeve is fixedly arranged outside the rotating shaft through a clamping sleeve, a movable ring is fixedly arranged on the shaft sleeve through a pin, the movable ring rotates with the rotating shaft along with the shaft sleeve, a second flange is fixedly connected to the end surface of the side surface of a first flange, the first flange and the second flange are fixedly arranged on a pump cover through bolts, the pump cover is positioned on the outer side of the first flange, a stationary ring is arranged on one side of the movable ring, the stationary ring is fixed on the second flange through a pin of a push ring, a spring is connected to one side of the push ring, and the second flange comprises a corner deletion area and a hollow area inside the second flange. According to the utility model, the second flange with the special-shaped structure is cast, so that the volume of the first flange is reduced, meanwhile, the interior of the second flange is hollowed, the weight and the volume of the second flange are reduced, the overall cost of mechanical sealing is reduced by 22%, and the competitiveness of a product is improved.
Description
Technical Field
The utility model relates to the field of flanges, in particular to a mechanical seal for a large circulation pump with a cast flange structure.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elasticity of a compensation mechanism and the cooperation of an auxiliary seal. Two flanges are usually adopted to be installed in a matched mode in the mechanical seal, and the two flanges are assembled in a matched mode in the traditional mode, so that the weight is heavy, the size is large, and the cost of the whole mechanical seal is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a mechanical seal for a large circulation pump with a cast flange structure, wherein the volume of a first flange is reduced by casting a second flange with a special-shaped structure, and meanwhile, the interior of the second flange is hollowed, so that the weight and the volume of the second flange are reduced, the overall cost of the mechanical seal is reduced by 22%, and the competitiveness of a product is improved.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a mechanical seal for a large circulation pump with a cast flange structure, which comprises a rotating shaft, wherein a shaft sleeve is fixedly arranged outside the rotating shaft through a clamping sleeve, a movable ring is fixedly arranged on the shaft sleeve through a pin, the movable ring rotates with the rotating shaft along with the shaft sleeve, a first flange is fixedly connected to the outer side of the shaft sleeve, a second flange is fixedly connected to the end face of the side face of the first flange, the first flange and the second flange are fixedly arranged on a pump cover through bolts, the pump cover is positioned on the outer side of the first flange, a static ring is arranged on one side of the movable ring, the static ring is fixed on the second flange through a pin of a push ring, a spring is connected to one side of the push ring, and the second flange comprises an edge angle deletion area and a hollow area.
According to the mechanical seal for the large circulation pump with the cast flange structure, the second flange is of an irregular special-shaped structure and is made of stainless steel.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the second flange with the special-shaped structure is cast, so that the volume of the first flange is reduced, meanwhile, the interior of the second flange is hollowed, the weight and the volume of the second flange are reduced, the overall cost of mechanical sealing is reduced by 22%, and the competitiveness of a product is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged partial block diagram of the present invention;
FIG. 3 is a view of the first flange and second flange of the present invention in combination;
FIG. 4 is a view showing a conventional first flange and second flange fitting structure;
in the figure: 1. a rotating shaft; 2. a clasping sleeve; 3. a shaft sleeve; 4. a moving ring; 5. a first flange; 6. a second flange; 61. deleting the edge and corner; 62. a hollow region; 7. a pump cover; 8. a stationary ring; 9. a push ring; 10. a spring.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation. Wherein like reference numerals refer to like parts throughout.
In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1
As shown in fig. 1-4, the utility model provides a mechanical seal for a large circulation pump with a cast flange structure, which comprises a rotating shaft 1, wherein a shaft sleeve 3 is fixedly installed outside the rotating shaft 1 through a clasping sleeve 2, a movable ring 4 is fixedly installed on the shaft sleeve 3 through a pin, the movable ring 4 rotates with the rotating shaft 1 along with the shaft sleeve 3, a first flange 5 is fixedly connected to the outer side of the shaft sleeve 3, a second flange 6 is fixedly connected to the end face of the side face of the first flange 5, the first flange 5 and the second flange 6 are both fixedly installed on a pump cover 7 through bolts, the pump cover 7 is located at the outer side of the first flange 5, a stationary ring 8 is arranged on one side of the movable ring 4, the stationary ring 8 is fixed on the second flange 6 through a pin of a push ring 9, a spring 10 is connected to one side of the push ring 9, and the second flange 6 comprises an edge angle deletion area 61 and a hollow area 62 inside the second flange 6.
The second flange 6 is of an irregular special-shaped structure, and the second flange 6 is made of 304 stainless steel.
As shown in fig. 1, the first flange 5 and the shaft sleeve 3 are in contact with corrosive materials to be pumped, the first flange 5 is made of corrosion-resistant 2205 stainless steel, the second flange 6 is not in contact with materials to be pumped and is made of ordinary 304 stainless steel, as shown in fig. 3, the volume of the first flange 5 is reduced by casting the second flange 6 with a special-shaped structure, meanwhile, the interior of the second flange 6 is hollowed, the weight and the volume of the second flange 6 are reduced, the overall cost of mechanical sealing is reduced by 22%, and the competitiveness of products is improved.
This mechanical seal, first flange 5, second flange 6 pass through the bolt fastening on pump cover 7, and quiet ring 8 is fixed on second flange 6 through the pin of throw-out collar 9, makes it can not rotate, and axle sleeve 3 is fixed on pivot 1 through embracing tightly cover 2, and the rotating ring 4 is fixed on axle sleeve 3 through the pin, follows axle sleeve 3 and rotates with pivot 1 together, and spring 10 promotes quiet ring 8 and laminates on rotating ring 4.
According to the utility model, the second flange 6 with the special-shaped structure is cast, so that the volume of the first flange 5 is reduced, meanwhile, the interior of the second flange 6 is hollowed, the weight and the volume of the second flange 6 are reduced, the overall cost of mechanical sealing is reduced by 22%, and the competitiveness of a product is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The mechanical seal for the large circulation pump with the cast flange structure comprises a rotating shaft (1) and is characterized in that a shaft sleeve (3) is fixedly mounted outside the rotating shaft (1) through a clamping sleeve (2), a movable ring (4) is fixedly mounted on the shaft sleeve (3) through a pin, the movable ring (4) rotates with the rotating shaft (1) along with the shaft sleeve (3), a first flange (5) is fixedly connected to the outer side of the shaft sleeve (3), a second flange (6) is fixedly connected to the end face of the side face of the first flange (5), the first flange (5) and the second flange (6) are fixedly mounted on a pump cover (7) through bolts, the pump cover (7) is located on the outer side of the first flange (5), a static ring (8) is arranged on one side of the movable ring (4), and the static ring (8) is fixed on the second flange (6) through a pin of a push ring (9), one side of the push ring (9) is connected with a spring (10), and the second flange (6) comprises an edge deletion area (61) and a hollow area (62) inside the second flange (6).
2. A mechanical seal for a large circulation pump of cast flange structure according to claim 1, characterized in that the second flange (6) is of irregular profiled structure, the second flange (6) being made of 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023268090.2U CN216045440U (en) | 2020-12-30 | 2020-12-30 | Mechanical seal for large circulation pump of cast flange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023268090.2U CN216045440U (en) | 2020-12-30 | 2020-12-30 | Mechanical seal for large circulation pump of cast flange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045440U true CN216045440U (en) | 2022-03-15 |
Family
ID=80534462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023268090.2U Active CN216045440U (en) | 2020-12-30 | 2020-12-30 | Mechanical seal for large circulation pump of cast flange structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045440U (en) |
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2020
- 2020-12-30 CN CN202023268090.2U patent/CN216045440U/en active Active
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