CN204153156U - A kind of mechanical sealing assembly - Google Patents
A kind of mechanical sealing assembly Download PDFInfo
- Publication number
- CN204153156U CN204153156U CN201420539571.8U CN201420539571U CN204153156U CN 204153156 U CN204153156 U CN 204153156U CN 201420539571 U CN201420539571 U CN 201420539571U CN 204153156 U CN204153156 U CN 204153156U
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- CN
- China
- Prior art keywords
- break
- ring
- rotating ring
- circular cone
- stationary
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of mechanical sealing assembly, comprise and the rotating ring of stirring shaft synchronous axial system and the stationary ring be fixed in stationary seat; The mutual break-in in the lower end surface of described rotating ring and the upper-end surface of stationary ring seals, and have at least one to be provided with circular cone at its break-in position in described rotating ring and stationary ring, the large end face of described circular cone is break-in sealing surface.Break-in sealing surface of the present utility model changes the break-in of circular cone large end face into by original cylindrical end face, after sealing surface wear, area of contact reduces, although the elastic force of the elongated generation of spring reduces, but the pressure of sealing surface does not change, like this impact of sealing effect is reduced, the working life of sealing can be extended.The working life of this assembly can improve more than 30%.
Description
Technical field
The utility model relates to a kind of single mechanical end face seal structure, belongs to technical field of mechanical.
Background technique
Mechanical seal is machinery, and the industry device such as medicine, chemical industry use the most general sealing configuration, and its sealing principle is the impacting force by spring, regulates the pressure of break-in sealing surface between dynamic and static ring.In prior art, break-in position between dynamic and static ring is cylindrical end face, when mechanical seal is after running for a long time, rotating ring and stationary ring surface of contact can wear and tear, spring pressure is reduced, because the area of wear surface does not change, the pressure of such sealing surface can be more and more less, can reduce sealing effect.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of mechanical sealing assembly, has and can prevent break-in sealing surface because wearing and tearing make spring pressure reduce, ensure the feature of sealing effect.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of mechanical sealing assembly, comprises and the rotating ring of stirring shaft synchronous axial system and the stationary ring be fixed in stationary seat; The mutual break-in in the lower end surface of described rotating ring and the upper-end surface of stationary ring seals, and have at least one to be provided with circular cone at its break-in position in described rotating ring and stationary ring, the large end face of described circular cone is break-in sealing surface.
To the further improvement that the utility model does be: the top, break-in position of described stationary ring is circular cone, the large end face of described circular cone is break-in sealing surface.The bottom, break-in position of described rotating ring is circular cone, and the large end face of described circular cone is break-in sealing surface.The break-in position of described rotating ring and stationary ring is equipped with circular cone, and the large end face of two circular cone is break-in sealing surface.Also be included in the spring seat be set with stirring shaft above rotating ring; The upper end of described rotating ring is provided with interior grooves, and the lower end surface of described spring seat is arranged in interior grooves by seal ring of moving ring; The stud be connected with rotating ring is provided with on the right side of spring seat; Be provided with blind hole down in the left side of spring seat, be provided with blind hole upward in the left side of rotating ring, between two blind holes, assemble spring; Described stationary ring bottom is fitted in stationary seat by gland, and described stationary seat is connected with the deceleration frame of stirrer by bolt.
The beneficial effect adopting technique scheme to produce is: break-in sealing surface of the present utility model changes the break-in of circular cone large end face into by original cylindrical end face, after sealing surface wear, area of contact reduces, although the elastic force of the elongated generation of spring reduces, but the pressure of sealing surface does not change, like this impact of sealing effect is reduced, the working life of sealing can be extended.The working life of this assembly can improve more than 30%.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is A portion enlarged view in Fig. 1;
Fig. 3 is the structural representation of embodiment 2;
Fig. 4 is B portion enlarged view in Fig. 3.
As shown in the figure: the deceleration frame of 1 stirring shaft, 2 tight fixed bolts, 3 springs, 4 rotating rings, 5 glands, 6 stationary ring sealing gaskets, 7 stationary seats, 8 studs, 9 spring seats, 10 seal ring of moving ring, 11 break-in sealing surfaces, 12 stationary rings, 13 stationary seat sealing gaskets, 14 stirrers, 15 cover end sockets, 16 full weld welding beads.
Embodiment
Contrast Fig. 1-4 uses step to be described further to operation of the present utility model:
Embodiment 1:(is shown in Fig. 1,2) a kind of mechanical sealing assembly, comprise and the rotating ring 4 of stirring shaft 1 synchronous axial system and the stationary ring 12 be fixed in stationary seat 7; The lower end surface of described rotating ring 4 and the mutual break-in in upper-end surface of stationary ring 12 seal, and have at least one to be provided with circular cone at its break-in position in described rotating ring 4 and stationary ring 12, the large end face of described circular cone is break-in sealing surface 11.The top, break-in position of described stationary ring 12 is circular cone, and the large end face of described circular cone is break-in sealing surface 11.Also be included in the spring seat 9 be set with stirring shaft 1 above rotating ring 4; The upper end of described rotating ring 4 is provided with interior grooves, and the lower end surface of described spring seat 9 is arranged in interior grooves by seal ring of moving ring 10; The stud 8 be connected with rotating ring 4 is provided with on the right side of spring seat 9; Be provided with blind hole down in the left side of spring seat 9, be provided with blind hole upward in the left side of rotating ring 4, between two blind holes, assemble spring 3; Described stationary ring 12 bottom is fitted in stationary seat 7 by gland 5, and described stationary seat 7 is connected with the deceleration frame 14 of stirrer by bolt.
Embodiment 2:(is shown in Fig. 3,4) a kind of mechanical sealing assembly, comprise and the rotating ring 4 of stirring shaft 1 synchronous axial system and the stationary ring 12 be fixed in stationary seat 7; The lower end surface of described rotating ring 4 and the mutual break-in in upper-end surface of stationary ring 12 seal, and have at least one to be provided with circular cone at its break-in position in described rotating ring 4 and stationary ring 12, the large end face of described circular cone is break-in sealing surface 11.The bottom, break-in position of described rotating ring 4 is circular cone, and the large end face of described circular cone is break-in sealing surface 11.Also be included in the spring seat 9 be set with stirring shaft 1 above rotating ring 4; The upper end of described rotating ring 4 is provided with interior grooves, and the lower end surface of described spring seat 9 is arranged in interior grooves by seal ring of moving ring 10; The stud 8 be connected with rotating ring 4 is provided with on the right side of spring seat 9; Be provided with blind hole down in the left side of spring seat 9, be provided with blind hole upward in the left side of rotating ring 4, between two blind holes, assemble spring 3; Described stationary ring 12 bottom is fitted in stationary seat 7 by gland 5, and described stationary seat 7 is connected with the deceleration frame 14 of stirrer by bolt.
Embodiment 3: a kind of mechanical sealing assembly, comprise and the rotating ring 4 of stirring shaft 1 synchronous axial system and the stationary ring 12 be fixed in stationary seat 7; The lower end surface of described rotating ring 4 and the mutual break-in in upper-end surface of stationary ring 12 seal, and have at least one to be provided with circular cone at its break-in position in described rotating ring 4 and stationary ring 12, the large end face of described circular cone is break-in sealing surface 11.The break-in position of described rotating ring 4 and stationary ring 12 is equipped with circular cone, and the large end face of two circular cone is break-in sealing surface 11.Also be included in the spring seat 9 be set with stirring shaft 1 above rotating ring 4; The upper end of described rotating ring 4 is provided with interior grooves, and the lower end surface of described spring seat 9 is arranged in interior grooves by seal ring of moving ring 10; The stud 8 be connected with rotating ring 4 is provided with on the right side of spring seat 9; Be provided with blind hole down in the left side of spring seat 9, be provided with blind hole upward in the left side of rotating ring 4, between two blind holes, assemble spring 3; Described stationary ring 12 bottom is fitted in stationary seat 7 by gland 5, and described stationary seat 7 is connected with the deceleration frame 14 of stirrer by bolt.
Claims (5)
1. a mechanical sealing assembly, is characterized in that: comprise and the rotating ring (4) of stirring shaft (1) synchronous axial system and the stationary ring (12) that is fixed in stationary seat (7); The lower end surface of described rotating ring (4) and the mutual break-in in upper-end surface of stationary ring (12) seal, have at least one to be provided with circular cone at its break-in position in described rotating ring (4) and stationary ring (12), the large end face of described circular cone is break-in sealing surface (11).
2. a kind of mechanical sealing assembly according to claim 1, is characterized in that: the top, break-in position of described stationary ring (12) is circular cone, and the large end face of described circular cone is break-in sealing surface (11).
3. a kind of mechanical sealing assembly according to claim 1, is characterized in that: the bottom, break-in position of described rotating ring (4) is circular cone, and the large end face of described circular cone is break-in sealing surface (11).
4. a kind of mechanical sealing assembly according to claim 1, is characterized in that: the break-in position of described rotating ring (4) and stationary ring (12) is equipped with circular cone, and the large end face of two circular cone is break-in sealing surface (11).
5. a kind of mechanical sealing assembly according to claim 2,3 or 4, is characterized in that: be also included in the spring seat (9) that rotating ring (4) top is set with stirring shaft (1); The upper end of described rotating ring (4) is provided with interior grooves, and the lower end surface of described spring seat (9) is arranged in interior grooves by seal ring of moving ring (10); The stud (8) be connected with rotating ring (4) is provided with on the right side of spring seat (9); Be provided with blind hole down in the left side of spring seat (9), be provided with blind hole upward in the left side of rotating ring (4), between two blind holes, assemble spring (3); Described stationary ring (12) bottom is fitted in stationary seat (7) by gland (5), and described stationary seat (7) is connected with the deceleration frame (14) of stirrer by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539571.8U CN204153156U (en) | 2014-09-17 | 2014-09-17 | A kind of mechanical sealing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539571.8U CN204153156U (en) | 2014-09-17 | 2014-09-17 | A kind of mechanical sealing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204153156U true CN204153156U (en) | 2015-02-11 |
Family
ID=52511272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420539571.8U Expired - Fee Related CN204153156U (en) | 2014-09-17 | 2014-09-17 | A kind of mechanical sealing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204153156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289133A (en) * | 2017-08-08 | 2017-10-24 | 东台市岳东橡胶密封件厂 | A kind of screw rod adjustable rotating ring stationary ring attachment structure |
-
2014
- 2014-09-17 CN CN201420539571.8U patent/CN204153156U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289133A (en) * | 2017-08-08 | 2017-10-24 | 东台市岳东橡胶密封件厂 | A kind of screw rod adjustable rotating ring stationary ring attachment structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20170917 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |