CN215831148U - Mechanical sealing device with lifting and rotating functions - Google Patents
Mechanical sealing device with lifting and rotating functions Download PDFInfo
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- CN215831148U CN215831148U CN202120354872.3U CN202120354872U CN215831148U CN 215831148 U CN215831148 U CN 215831148U CN 202120354872 U CN202120354872 U CN 202120354872U CN 215831148 U CN215831148 U CN 215831148U
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- sealing
- lifting
- shaft sleeve
- energy storage
- ring
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Abstract
The utility model discloses a mechanical sealing device with lifting and rotating functions, which comprises a sealing shaft sleeve; the sealing shaft sleeve is arranged in a penetrating way, and the driving device is in driving connection with one end of the enamel stirring shaft; the other end of the enamel stirring shaft penetrates through the sealing shaft sleeve; a plurality of limiting grooves are formed in the inner wall of the sealing shaft sleeve at circumferential intervals; a plurality of energy storage sealing rings and sealing rings are arranged between the sealing shaft sleeve and the enamel stirring shaft gap, and the energy storage sealing rings and the sealing rings are correspondingly embedded in the limiting grooves. The mechanical sealing device with the lifting and rotating functions provided by the utility model can effectively avoid leakage caused by lifting and rotating of the enamel stirring shaft.
Description
Technical Field
The utility model relates to the field of mechanical sealing.
Background
In recent years, domestic and foreign stirrer and reaction kettle manufacturing companies have developed three-in-one multifunctional equipment integrating solid-liquid separation, washing and filtering of crystals and low-temperature vacuum drying in order to meet requirements of GMP on production of medicines and foods, and in view of corrosivity of materials in the process, a stirring device and a reaction kettle made of metal materials cannot meet the requirements, so that research and development of a non-metal stirrer, the reaction kettle and matched mechanical seal are required.
Disclosure of Invention
The purpose of the utility model is as follows: in order to overcome the defects in the prior art, the utility model provides the mechanical sealing device with the lifting and rotating functions, which can effectively avoid the leakage effect caused by the lifting and rotating of the enamel stirring shaft.
The technical scheme is as follows: in order to achieve the purpose, the technical scheme of the utility model is as follows:
a mechanical sealing device with lifting and rotating functions comprises a sealing shaft sleeve; the sealing shaft sleeve is arranged in a penetrating way, and the driving device is in driving connection with one end of the enamel stirring shaft; the other end of the enamel stirring shaft penetrates through the sealing shaft sleeve; a plurality of limiting grooves are formed in the inner wall of the sealing shaft sleeve at circumferential intervals; a plurality of energy storage sealing rings and sealing rings are arranged between the sealing shaft sleeve and the enamel stirring shaft gap, and the energy storage sealing rings and the sealing rings are correspondingly embedded in the limiting grooves.
Further, the energy storage sealing ring comprises a lip rubber groove and an elastic body; the lip glue groove is embedded in the limiting groove; the elastic body is correspondingly arranged in the lip glue groove.
Furthermore, the energy storage sealing ring comprises an elastic rubber groove and an elastic rubber ring; the elastic rubber groove is embedded in the limiting groove, and the elastic rubber ring is correspondingly arranged in the elastic rubber groove.
Further, the sealing ring is an O-shaped ring.
Furthermore, a plurality of embedded grooves are annularly formed in the inner wall of the sealing shaft sleeve; the embedded groove is correspondingly embedded with a guide sleeve; the guide sleeve protrudes out of the notch of the embedded groove, and the protruding end of the guide sleeve is correspondingly attached to the side wall of the enamel stirring shaft; the guide sleeve is made of PTFE + CU.
Furthermore, the driving device is in driving connection with the enamel stirring shaft through a lifting positioning connecting key.
Further, the energy storage sealing ring is made of PTFE + elastomer; the sealing ring is made of a perfluorinated rubber material; the energy storage sealing ring and the sealing ring are both made of sanitary materials.
Furthermore, a mechanical sealing device at one end of the sealing shaft sleeve, which is far away from the lifting positioning connecting key, is arranged on the enamel flange through a flange assembly and is fixed through a bolt; a collecting cavity is formed in the side wall of the inner ring of the flange assembly; a channel is arranged in the flange component; the sealing shaft sleeve is communicated with the outside through a channel; the blowing end of the blowing device faces the channel outlet and inlet port from the position of the collection cavity in the reaction kettle, and the channel outlet end is filled with a plug.
Further, an air inlet is formed in the wall of the sealing cavity at the outer side of the sealing shaft sleeve; the air inlet on the wall of the sealing cavity outside the sealing shaft sleeve is oppositely provided with an air outlet; the height of the air inlet hole is lower than that of the air outlet hole; the air outlet end of the nitrogen cooling device is communicated with the air inlet end of the air inlet hole; the air inlet is communicated with the air outlet through the inside of the sealed cavity; and the air outlet is filled with a plug.
Has the advantages that: the utility model can play a good sealing effect, and avoid leakage and material pollution; including but not limited to the following benefits;
1) a plurality of energy storage sealing rings and sealing rings are arranged between the sealing shaft sleeve and the enamel stirring shaft, so that the enamel stirring shaft can be prevented from leaking materials in the lifting and rotating process through multi-layer extrusion and tight sealing;
2) the position of the collecting cavity is provided with a reverse purging structure, so that in the washing process, the air blowing device can blow the abrasive dust in the collecting cavity to be discharged through the channel, and the pollution to the materials is reduced.
Drawings
FIG. 1 is a view showing the construction of a mechanical seal device;
FIG. 2 is a view of a seal bush structure;
FIG. 3 is a view showing a structure of a lip rubber groove;
FIG. 4 is a view showing the construction of the elastomer;
FIG. 5 is a view showing the structure of an elastic rubber groove;
fig. 6 is a view of the elastomeric rubber ring structure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in figures 1-6: a mechanical sealing device with lifting and rotating functions comprises a sealing shaft sleeve 1; the sealing shaft sleeve 1 is arranged in a penetrating way, and the driving device is in driving connection with one end of the enamel stirring shaft; the other end of the enamel stirring shaft penetrates through the sealing shaft sleeve 1; a plurality of limiting grooves 6 are formed in the inner wall of the sealing shaft sleeve 1 at circumferential intervals; a plurality of energy storage sealing rings 3 and sealing rings 4 are arranged between the sealing shaft sleeve 1 and the enamel stirring shaft gap, and the energy storage sealing rings 3 and the sealing rings 4 are correspondingly embedded in the limiting grooves 6. Drive arrangement can drive enamel (mixing) shaft elevating movement in sealed axle sleeve, set up energy storage sealing washer 3 and sealing washer 4 between enamel (mixing) shaft and sealed axle sleeve, can give energy storage sealing washer 3 and sealing washer 4 extrusion force because of the reason of magnitude of interference in the enamel (mixing) shaft motion process, the extrusion force will extrude elastomer or elastomer rubber circle in the energy storage sealing washer like this, and elastomer or elastomer rubber circle counteraction are on energy storage sealing washer outer lane glue film, make the inseparabler laminating of outer lane glue film on enamel (mixing) shaft lateral wall like this, can avoid enamel (mixing) shaft to take place to leak at the in-process of mixing movement.
FIGS. 3 and 5 are cross-sectional views of two different types of energy storing seal rings; FIG. 4 is a view showing the construction of the elastomer; FIG. 6 is a view of the structure of the elastomer rubber ring; the energy storage sealing ring 3 comprises a lip rubber groove 31 and an elastic body 32; the lip glue groove 31 is embedded in the limiting groove 6; the elastic body is correspondingly arranged in the lip glue groove 31. The energy storage sealing ring 3 comprises an elastic rubber groove 33 and an elastic rubber ring 34; the elastic rubber groove 33 is embedded in the limit groove 6, and the elastic rubber ring 34 is correspondingly arranged in the elastic rubber groove 33. In the process of moving and stirring of the enamel stirring shaft, the energy storage sealing ring can be extruded due to interference magnitude, and after the energy storage sealing ring is extruded, the elastic body or the elastic body rubber ring can rebound to act on the lip rubber groove and the elastic rubber groove, so that the lip rubber groove and the elastic rubber groove can be more tightly attached to the side wall of the enamel stirring shaft, a better sealing effect is achieved, and leakage is avoided; and the energy storage sealing ring PTFE material contacted with the enamel stirring shaft can be abraded in the long-term abrasion process, so that the elastic body or the elastic body rubber ring can reversely extrude the lip rubber groove and the elastic rubber groove to compensate the gap between the enamel stirring shaft and the shaft sleeve.
The sealing ring 4 is an O-shaped ring. The sealing ring is annularly sleeved on the enamel stirring shaft, and the gap between the enamel stirring shaft and the sealing shaft sleeve can be supplemented due to the interference, so that a good sealing effect can be achieved, and leakage is avoided.
A plurality of embedded grooves 5 are annularly formed in the inner wall of the sealing shaft sleeve 1; the embedded groove 5 is correspondingly embedded with a guide sleeve 51; the guide sleeve 51 protrudes out of the notch of the embedded groove 5, and the protruding end of the guide sleeve 51 is correspondingly attached to the side wall of the enamel stirring shaft; the material of the guide sleeve 51 is PTFE + CU. A guide sleeve is arranged between the enamel stirring shaft and the sealing shaft sleeve, so that the enamel stirring shaft is prevented from contacting with a metal material on the sealing shaft sleeve in the lifting and rotating process, and the abrasion to the enamel stirring shaft and the shaft sleeve is avoided; increasing the use time and the effect.
The driving device is in driving connection with the enamel stirring shaft through a lifting positioning connecting key 7. Through the connection of the lifting positioning connecting key, the enamel stirring shaft can be well driven to move up and down and rotate in the sealing shaft sleeve, so that a better stirring effect is achieved.
The energy storage sealing ring 3 is made of PTFE; the sealing ring 4 is made of perfluororubber; the enamel stirring shaft is hardly abraded, and the service life of the enamel stirring shaft is prolonged; the energy storage sealing ring 3 and the sealing ring 4 are both made of sanitary materials; reduce the pollution to the materials in the reaction kettle and improve the safety of the production process.
The mechanical sealing device at one end of the sealing shaft sleeve 1, which is far away from the lifting positioning connecting key 7, is arranged on the enamel flange through a flange assembly and is fixed through a bolt; a collecting cavity is formed in the side wall of the inner ring of the flange assembly; a channel 8 is arranged in the flange component; the sealing shaft sleeve 1 is communicated with the outside through a channel 8; the blowing end of the blowing device faces the inlet and outlet of the channel 8 from the reaction kettle through the position of the collecting cavity, and the outlet end of the channel 8 is filled with a plug. When the cleaning is needed, the plug is firstly opened, then the air blowing device blows air to the air inlet end of the channel from the position of the collecting cavity, so that the abrasive dust in the collecting cavity is blown to be discharged to the outside from the channel 8, and the pollution to materials in the reaction kettle is reduced.
An air inlet hole 10 is formed in the wall of the sealing cavity at the outer side of the sealing shaft sleeve 1; an air outlet hole 11 is oppositely formed on the air inlet hole 10 on the wall of the sealing cavity at the outer side of the sealing shaft sleeve 1; the height of the air inlet hole 10 is lower than that of the air outlet hole 11; the air outlet end of the nitrogen cooling device is communicated with the air inlet end of the air inlet hole 10; the air inlet hole 10 is communicated with the air outlet hole 11 through the inside of the sealed cavity; and a plug is filled in the air outlet 11. Heat is generated in the operation process of the mechanical sealing device, cooling liquid is needed to be used for cooling at the moment, but the cooling liquid can leak into the reaction kettle, so that the pollution caused by the leakage of the cooling liquid is avoided; nitrogen is blown into the air inlet by a nitrogen cooling device, so that the nitrogen flows in the sealed cavity to take away heat; the design can play fine cooling effect like this, avoids the coolant liquid to cause the pollution to the interior material of reation kettle simultaneously.
The above description is of the preferred embodiment of the present invention and it will be apparent to those of ordinary skill in the art that several modifications and variations can be made without departing from the principles of the utility model and these modifications and variations are also considered to be within the scope of the utility model.
Claims (9)
1. The utility model provides a mechanical seal device with lift rotation function which characterized in that: comprises a sealing shaft sleeve (1); the sealing shaft sleeve (1) is arranged in a penetrating way, and the driving device is in driving connection with one end of the enamel stirring shaft; the other end of the enamel stirring shaft penetrates through the sealing shaft sleeve (1); a plurality of limiting grooves (6) are formed in the inner wall of the sealing shaft sleeve (1) at circumferential intervals; a plurality of energy storage sealing rings (3) and sealing rings (4) are arranged between the sealing shaft sleeve (1) and the enamel stirring shaft gap, and the energy storage sealing rings (3) and the sealing rings (4) are correspondingly embedded in the limiting grooves (6).
2. The mechanical sealing device with the lifting and rotating functions as claimed in claim 1, wherein: the energy storage sealing ring (3) comprises a lip rubber groove (31) and an elastic body (32); the lip glue groove (31) is embedded in the limiting groove (6); the elastic body is correspondingly arranged in the lip glue groove (31).
3. The mechanical sealing device with the lifting and rotating functions as claimed in claim 2, wherein: the energy storage sealing ring (3) comprises an elastic rubber groove (33) and an elastic rubber ring (34); the elastic rubber groove (33) is embedded in the limiting groove (6), and the elastic rubber ring (34) is correspondingly arranged in the elastic rubber groove (33).
4. The mechanical sealing device with the lifting and rotating functions as claimed in claim 3, wherein: the sealing ring (4) is an O-shaped ring.
5. The mechanical sealing device with the lifting and rotating functions as claimed in claim 4, wherein: a plurality of embedded grooves (5) are annularly formed in the inner wall of the sealing shaft sleeve (1); a guide sleeve (51) is correspondingly embedded in the embedded groove (5); the guide sleeve (51) protrudes out of the notch of the embedded groove (5), and the protruding end of the guide sleeve (51) is correspondingly attached to the side wall of the enamel stirring shaft; the material of the guide sleeve (51) is PTFE + CU.
6. The mechanical sealing device with the lifting and rotating functions as claimed in claim 5, wherein: the driving device is in driving connection with the enamel stirring shaft through a lifting positioning connecting key (7).
7. The mechanical sealing device with the lifting and rotating functions as claimed in claim 6, wherein: the energy storage sealing ring (3) is made of PTFE + elastomer; the sealing ring (4) is made of a perfluorinated rubber material; the energy storage sealing ring (3) and the sealing ring (4) are all made of sanitary materials.
8. The mechanical sealing device with the lifting and rotating functions as claimed in claim 7, wherein: the mechanical sealing device at one end of the sealing shaft sleeve (1) far away from the lifting positioning connecting key (7) is arranged on the enamel flange through a flange assembly and is fixed through a bolt; a collecting cavity is formed in the side wall of the inner ring of the flange assembly; a channel (8) is arranged in the flange component; the sealing shaft sleeve (1) is communicated with the outside through a channel (8); the blowing end of the blowing device faces the outlet and inlet of the channel (8) from the inside of the reaction kettle through the position of the collecting cavity, and the outlet end of the channel (8) is filled with a plug.
9. The mechanical sealing device with the lifting and rotating functions as claimed in claim 8, wherein: an air inlet (10) is formed in the wall of the outer side sealing cavity of the sealing shaft sleeve (1); an air outlet (11) is oppositely formed in the upper air inlet (10) on the wall of the sealing cavity at the outer side of the sealing shaft sleeve (1); the height of the air inlet hole (10) is lower than that of the air outlet hole (11); the air outlet end of the nitrogen cooling device is communicated with the air inlet end of the air inlet hole (10); the air inlet hole (10) is communicated with the air outlet hole (11) through the inside of the sealed cavity; the air outlet (11) is filled with a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120354872.3U CN215831148U (en) | 2021-02-09 | 2021-02-09 | Mechanical sealing device with lifting and rotating functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120354872.3U CN215831148U (en) | 2021-02-09 | 2021-02-09 | Mechanical sealing device with lifting and rotating functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215831148U true CN215831148U (en) | 2022-02-15 |
Family
ID=80187272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120354872.3U Active CN215831148U (en) | 2021-02-09 | 2021-02-09 | Mechanical sealing device with lifting and rotating functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215831148U (en) |
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2021
- 2021-02-09 CN CN202120354872.3U patent/CN215831148U/en active Active
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Address after: 214000 Industrial Park, Yangjian Town, Xishan District, Wuxi City, Jiangsu Province Patentee after: Yanchi equipment technology (Wuxi) Co.,Ltd. Address before: 214000 Yangjian Town Industrial Park, Xishan District, Wuxi City, Jiangsu Province Patentee before: Wuxi Iger Bergman Technology Co.,Ltd. |