CN211901966U - End face friction type sealing structure under high temperature and high pressure - Google Patents
End face friction type sealing structure under high temperature and high pressure Download PDFInfo
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- CN211901966U CN211901966U CN201922402669.4U CN201922402669U CN211901966U CN 211901966 U CN211901966 U CN 211901966U CN 201922402669 U CN201922402669 U CN 201922402669U CN 211901966 U CN211901966 U CN 211901966U
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- 238000007789 sealing Methods 0.000 title claims abstract description 138
- 238000010438 heat treatment Methods 0.000 claims abstract description 77
- 239000007921 spray Substances 0.000 claims description 15
- 230000006978 adaptation Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an end face seal technical field, this terminal surface friction formula seal structure under high temperature, high pressure, including the heating rod, the bottom fixedly connected with pipe of heating chamber, the one end fixedly connected with that the pipe is close to the heating chamber has cup jointed the upper seal circle, the one end swing joint that the heating chamber was kept away from to the upper seal circle has last movable sealing ring, go up movable sealing ring and keep away from the one end fixedly connected with upper seal end cover of upper seal circle, the one end fixed mounting that the heating chamber was kept away from to the pipe has the shower nozzle. The utility model has the advantages that: this terminal surface friction formula seal structure under high temperature, high pressure makes the through-hole and the pipe at upper seal circle middle part closely laminate, and the excircle surface of upper seal circle closely laminates with the recess inside of heating chamber bottom, makes the upper seal circle seal the up end of pipe, and in the same way, the lower seal circle seals the lower terminal surface of pipe, has avoided the damage of high temperature to seal structure, further improvement sealed effect.
Description
Technical Field
The utility model relates to an end face seal technical field, especially a terminal surface friction formula seal structure under high temperature, high pressure.
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 elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal. The friction pair composed of the dynamic sealing ring and the static sealing ring is the most important component of end face sealing, and when the dynamic sealing ring and the static sealing ring are absolutely perpendicular to each other and are not influenced by various factors, leakage-free sealing can be guaranteed completely, so that the friction pair is ideal. However, the friction pair is influenced by various factors, and has problems in use:
1. the existing end face sealing structure is easy to damage under the high temperature condition, so that the sealing effect is poor, and the sealing performance of the end face is reduced;
2. the existing sealing structure is easy to corrode the sealing element after being used for a long time, so that the sealing element is damaged, and the sealing effect is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a terminal surface friction formula seal structure under high temperature, the high pressure.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a terminal surface friction formula seal structure under high temperature, high pressure, includes the mount pad, the one end fixedly connected with heating chamber of mount pad, the inside fixedly connected with heating rod of heating chamber, the bottom fixedly connected with pipe of heating chamber, the one end fixedly connected with that the pipe is close to the heating chamber has cup jointed the sealing washer, the one end swing joint that the heating chamber was kept away from to the sealing washer has last movable sealing ring, go up movable sealing ring and keep away from the one end fixedly connected with upper seal end cover of upper seal circle, the one end fixed mounting that the heating chamber was kept away from to the pipe has the shower nozzle, the one end fixedly connected with that the pipe is close to the shower nozzle has cup jointed the lower sealing washer, the one end swing joint that the heating chamber shower nozzle was kept away from to.
Optionally, a groove matched with the heating chamber is formed in the mounting seat, a threaded hole matched with the upper sealing end cover is formed in the bottom of the mounting seat, and the mounting seat and the upper sealing end cover are fixed through bolts.
Optionally, the feed inlet has been seted up on the top of heating chamber, the inside recess of a plurality of and heating rod looks adaptation is seted up to the inside of heating chamber, a plurality of heating rod symmetric distribution is in the recess of heating chamber, the discharge opening with pipe looks adaptation is seted up to the bottom of heating chamber.
Optionally, the bottom of the heating chamber is provided with a groove matched with the upper sealing ring and the upper movable sealing ring, the upper sealing ring is made of a material with good high-temperature resistance, the middle part of the upper sealing ring is provided with a through hole matched with the conduit, and the aperture size of the upper movable sealing ring is matched with the shaft diameter size of the conduit.
Optionally, two ends of the conduit are arranged in a step shape, the size of the shaft diameter of the end face of one end of the conduit is matched with the size of the hole diameter of the bottom of the heating chamber, and the size of the shaft diameter of the end face of the other end of the conduit is matched with the size of the hole diameter of the top of the spray head.
Optionally, a slotted hole matched with the guide pipe is formed in the middle of the upper sealing end cover, a sealing sleeve matched with the groove in the bottom of the heating chamber is arranged at the top of the upper sealing end cover, and through holes matched with the bolts are formed in the periphery of the surface of the upper sealing end cover.
Optionally, the top of the spray head is provided with a groove matched with the lower sealing ring and the lower movable sealing ring, the lower sealing ring is made of a material with good high-temperature resistance, the middle part of the lower sealing ring is provided with a through hole matched with the conduit, the aperture of the lower movable sealing ring is matched with the shaft diameter of the conduit, and the spray head is connected with the lower sealing end cover through a bolt.
Optionally, a slotted hole matched with the guide pipe is formed in the middle of the lower sealing end cover, a sealing sleeve matched with the groove in the top of the spray head is arranged at the bottom of the lower sealing end cover, and through holes matched with the bolts are formed in the periphery of the surface of the lower sealing end cover.
The utility model has the advantages of it is following:
1. this high temperature, terminal surface friction formula seal structure under the high pressure, through switching on the heating rod, make the heating rod heating, and then make the heating rod heat the inside of heating chamber, heat transfer to the upper seal circle in with the heating chamber through the heat transfer, make the upper seal circle carry out the thermal expansion and produce deformation, make the through-hole and the pipe at upper seal circle middle part closely laminate, the inside closely laminating of the excircle surface of upper seal circle and the recess of heating chamber bottom, make the upper seal circle seal the up end of pipe, the same reason, the lower seal circle seals the lower terminal surface of pipe, thereby reach good sealing performance, the damage of high temperature to seal structure has been avoided, further sealed effect has been improved.
2. This high temperature, terminal surface friction formula seal structure under high pressure, constitute the friction pair through last movable sealing ring and pipe and seal the up end of pipe, and simultaneously, keep apart the upper seal circle through last movable sealing ring, avoid upper seal circle and external contact, through the fixing of upper seal end cover and mount pad, make the upper seal end cover keep apart the protection with upper seal circle and upper seal circle, the sealed effect of pipe up end has been strengthened, and the same is said, the sealed effect of terminal surface under the pipe has been improved through lower seal end cover and lower movable sealing ring, further improvement the barrier propterty to the terminal surface seal.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the lower seal ring of the present invention;
fig. 3 is a schematic structural view of the upper seal ring of the present invention;
fig. 4 is a schematic structural view of the upper sealing end cap of the present invention;
FIG. 5 is a schematic sectional view of the heating chamber of the present invention;
fig. 6 is a schematic sectional view of the present invention.
In the figure: 1-mounting seat, 2-heating chamber, 3-heating rod, 4-guide pipe, 5-upper sealing ring, 6-upper movable sealing ring, 7-upper sealing end cover, 8-spray head, 9-lower sealing ring, 10-lower movable sealing ring and 11-lower sealing end cover.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in figures 1-6, an end face friction type sealing structure under high temperature and high pressure comprises a mounting seat 1, one end of the mounting seat 1 is fixedly connected with a heating chamber 2, the heating chamber 2 heats and melts raw materials, the inside of the heating chamber 2 is fixedly connected with a heating rod 3, the bottom of the heating chamber 2 is fixedly connected with a conduit 4, one end of the conduit 4 close to the heating chamber 2 is fixedly connected with a sleeved upper sealing ring 5, one end of the upper sealing ring 5 far away from the heating chamber 2 is movably connected with an upper movable sealing ring 6, one end of the upper movable sealing ring 6 far away from the upper sealing ring 5 is fixedly connected with an upper sealing end cover 7, one end of the conduit 4 far away from the heating chamber 2 is fixedly provided with a spray head 8, one end of the conduit 4 close to the spray head 8 is fixedly connected with a sleeved lower, one end of the lower movable sealing ring 10 far away from the lower sealing ring 9 is fixedly connected with a lower sealing end cover 11, a groove matched with the heating chamber 2 is arranged in the mounting seat 1, a threaded hole matched with the upper sealing end cover 7 is arranged at the bottom of the mounting seat 1, the mounting seat 1 and the upper sealing end cover 7 are fixed through bolts, a charging hole is arranged at the top end of the heating chamber 2, a plurality of grooves matched with the heating rods 3 are arranged in the heating chamber 2, the plurality of heating rods 3 are symmetrically distributed in the groove of the heating chamber 2, a discharging hole matched with the conduit 4 is arranged at the bottom of the heating chamber 2, a groove matched with the upper sealing ring 5 and the upper movable sealing ring 6 is arranged at the bottom of the heating chamber 2, the upper sealing ring 5 is made of a material with good high temperature resistance, a through hole matched with the conduit 4 is arranged at the middle part of the upper sealing ring 5, the aperture size of the upper movable, the two ends of the conduit 4 are arranged in a ladder shape, the end face shaft diameter of one end of the conduit 4 is matched with the hole diameter of the bottom of the heating chamber 2, the end face shaft diameter of the other end of the conduit 4 is matched with the hole diameter of the top of the spray nozzle 8, the middle part of the upper sealing end cover 7 is provided with a slotted hole matched with the conduit 4, the top of the upper sealing end cover 7 is provided with a sealing sleeve matched with a groove at the bottom of the heating chamber 2, the periphery of the surface of the upper sealing end cover 7 is provided with through holes matched with bolts, the top of the spray nozzle 8 is provided with a groove matched with the lower sealing ring 9 and the lower movable sealing ring 10, the lower sealing ring 9 is made of a material with good high temperature resistance, the middle part of the lower sealing ring 9 is provided with through holes matched with the conduit 4, the hole diameter of the lower movable sealing ring 10 is matched with, the middle part of the lower sealing end cover 11 is provided with a slotted hole matched with the guide pipe 4, the bottom of the lower sealing end cover 11 is provided with a sealing sleeve matched with a groove at the top of the spray head 8, the periphery of the surface of the lower sealing end cover 11 is provided with through holes matched with bolts, and the bolts are fixed with the spray head 8 through the through holes.
The working process of the utility model is as follows: the end face friction type sealing structure under high temperature and high pressure is characterized in that when the end face friction type sealing structure under high temperature and high pressure is used, a user energizes the heating rod 3 to heat the heating rod 3, then the heating rod 3 heats the inside of the heating chamber 2, heat in the heating chamber 2 is transferred to the upper sealing ring 5 through heat transfer, the upper sealing ring 5 is subjected to thermal expansion to generate deformation, a through hole in the middle of the upper sealing ring 5 is tightly attached to the conduit 4, the outer circle surface of the upper sealing ring 5 is tightly attached to the inside of a groove at the bottom of the heating chamber 2, the upper sealing ring 5 seals the upper end face of the conduit, similarly, the lower sealing ring 9 seals the lower end face of the conduit 4, so that good sealing performance is achieved, the damage of high temperature to the sealing structure is avoided, the sealing effect is further improved, and the friction pair formed by the upper movable sealing ring 6 and the conduit 4 seals the upper end face of the conduit 4, meanwhile, the upper sealing ring 5 is isolated through the upper movable sealing ring 6, the upper sealing ring 5 is prevented from contacting with the outside, the upper sealing end cover 7 is fixed with the mounting seat 1, the upper sealing end cover 7 is used for isolating and protecting the upper movable sealing ring 6 and the upper sealing ring 5, the sealing effect of the upper end face of the guide pipe 4 is enhanced, similarly, the sealing effect of the lower end face of the guide pipe 4 is improved through the lower sealing end cover 11 and the lower movable sealing ring 10, and the protection performance of end face sealing is further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an end face friction formula seal structure under high temperature, high pressure, includes mount pad (1), its characterized in that: the heating device is characterized in that a heating chamber (2) is fixedly connected to one end of the mounting seat (1), a heating rod (3) is fixedly connected to the inside of the heating chamber (2), a conduit (4) is fixedly connected to the bottom of the heating chamber (2), an upper sealing ring (5) is sleeved on one end, close to the heating chamber (2), of the conduit (4), an upper movable sealing ring (6) is movably connected to one end, far away from the heating chamber (2), of the upper sealing ring (5), an upper sealing end cover (7) is fixedly connected to one end, far away from the upper sealing ring (5), of the conduit (4), a spray head (8) is fixedly installed at one end, far away from the heating chamber (2), of the conduit (4), a lower sealing ring (9) is sleeved on one end, close to the spray head (8), of the lower sealing ring (9), and a lower movable sealing ring (10, one end, far away from the lower sealing ring (9), of the lower movable sealing ring (10) is fixedly connected with a lower sealing end cover (11).
2. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the heating chamber is characterized in that a groove matched with the heating chamber (2) is formed in the mounting seat (1), a threaded hole matched with the upper sealing end cover (7) is formed in the bottom of the mounting seat (1), and the mounting seat (1) and the upper sealing end cover (7) are fixed through bolts.
3. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the feed inlet has been seted up on the top of heating chamber (2), the recess of a plurality of and heating rod (3) looks adaptation is seted up to the inside of heating chamber (2), a plurality of heating rod (3) symmetric distribution is in the recess of heating chamber (2), the discharge opening with pipe (4) looks adaptation is seted up to the bottom of heating chamber (2).
4. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the bottom of the heating chamber (2) is provided with a groove matched with the upper sealing ring (5) and the upper movable sealing ring (6), the upper sealing ring (5) is made of a material with good high-temperature resistance, the middle part of the upper sealing ring (5) is provided with a through hole matched with the conduit (4), and the aperture size of the upper movable sealing ring (6) is matched with the shaft diameter size of the conduit (4).
5. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the two ends of the guide pipe (4) are arranged in a step shape, the size of the shaft diameter of the end face of one end of the guide pipe (4) is matched with the size of the hole diameter of the bottom of the heating chamber (2), and the size of the shaft diameter of the end face of the other end of the guide pipe (4) is matched with the size of the hole diameter of the top of the spray head (8).
6. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the middle part of the upper sealing end cover (7) is provided with a slotted hole matched with the guide pipe (4), the top of the upper sealing end cover (7) is provided with a sealing sleeve matched with the groove at the bottom of the heating chamber (2), and the periphery of the surface of the upper sealing end cover (7) is provided with through holes matched with bolts.
7. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the top of shower nozzle (8) is seted up with lower sealing washer (9) and lower movable sealing ring (10) looks adaptation's recess, lower sealing washer (9) adopt high temperature resistance can good material to make, the through-hole with pipe (4) looks adaptation is seted up at the middle part of lower sealing washer (9), the aperture size of lower movable sealing ring (10) and the shaft diameter size looks adaptation of pipe (4), shower nozzle (8) and lower seal end cover (11) pass through bolted connection.
8. The end face friction type seal structure under high temperature and high pressure according to claim 1, characterized in that: the middle part of the lower sealing end cover (11) is provided with a slotted hole matched with the guide pipe (4), the bottom of the lower sealing end cover (11) is provided with a sealing sleeve matched with a groove at the top of the spray head (8), and the periphery of the surface of the lower sealing end cover (11) is provided with through holes matched with bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922402669.4U CN211901966U (en) | 2019-12-27 | 2019-12-27 | End face friction type sealing structure under high temperature and high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922402669.4U CN211901966U (en) | 2019-12-27 | 2019-12-27 | End face friction type sealing structure under high temperature and high pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901966U true CN211901966U (en) | 2020-11-10 |
Family
ID=73295409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922402669.4U Active CN211901966U (en) | 2019-12-27 | 2019-12-27 | End face friction type sealing structure under high temperature and high pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901966U (en) |
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2019
- 2019-12-27 CN CN201922402669.4U patent/CN211901966U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: No. 1001, Door 1, Building 13, Courtyard 29, Qingnian Road, Chaoyang District, Beijing, 100020 Patentee after: Ge Yongwen Country or region after: China Address before: No.3, 2nd floor, building 6, No.39 Renhe street, high tech Zone, Chengdu, Sichuan 610000 Patentee before: Sichuan kuangteng Nano Technology Co.,Ltd. Country or region before: China |