CN220850117U - Mechanical seal for rotary oil-gas mixing pump - Google Patents
Mechanical seal for rotary oil-gas mixing pump Download PDFInfo
- Publication number
- CN220850117U CN220850117U CN202322586320.7U CN202322586320U CN220850117U CN 220850117 U CN220850117 U CN 220850117U CN 202322586320 U CN202322586320 U CN 202322586320U CN 220850117 U CN220850117 U CN 220850117U
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- China
- Prior art keywords
- sleeve
- sealing
- groove
- ring
- mechanical seal
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- 238000007789 sealing Methods 0.000 claims abstract description 57
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000000110 cooling liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Abstract
The utility model discloses a mechanical seal for a rotary oil-gas mixing pump, which relates to the technical field of rotary oil-gas mixing pumps and comprises an outer shaft sleeve, wherein the top of the outer shaft sleeve is movably connected with a sealing pipe, the top of the sealing pipe is movably connected with a moving ring, the top of the moving ring is provided with a connector, the bottom of the outer shaft sleeve is fixedly connected with a limiting sleeve, the outer part of the outer shaft sleeve is provided with a first heat dissipation hole, the outer part of the sealing pipe is movably connected with a first fixing bolt, two sides of the limiting sleeve are movably connected with a second fixing bolt, and the other two sides of the limiting sleeve are provided with liquid inlets. According to the utility model, the cooling cavity and the movable ring are connected and sealed through the sealing ring, the outer shaft sleeve and the movable ring are connected through the sealing tube, the outer parts of the pair of movable rings are fixed through the fixing bolts after connection, and meanwhile, the rubber ring is attached to the surface of the outer shaft sleeve through the elasticity of the springs, so that the sealing and fixing effects on the outer shaft sleeve are facilitated.
Description
Technical Field
The utility model relates to the technical field of rotary oil-gas mixing and conveying pumps, in particular to a mechanical seal for a rotary oil-gas mixing and conveying pump.
Background
The mechanical sealing device in the current oil-gas mixing pump adopts double sealing, and the structure is that two sets of mechanical sealing are arranged between a pump body and a pump shaft. Two sets of mechanical seal divide into sealed chamber and sealing liquid chamber with the cavity between the pump body and the pump shaft, and every set of mechanical seal all includes: the movable ring and the stationary ring are directly fixed on the pump shaft or fixed on the pump shaft through the shaft sleeve, the stationary ring is directly fixedly connected with the pump body, the movable ring comprises a movable ring seat and a movable ring piece, an axial blind hole is formed in one face of the movable ring piece on the movable ring seat, a spring is arranged in the blind hole, one end of the spring is propped against the bottom of the blind hole, the other end of the spring is propped against the movable ring piece, so that the sealing surfaces of the movable ring and the stationary ring are bonded under the action of the spring force, a liquid film is generated on the sealing surfaces under the action of the medium pressure, the liquid film plays roles of lubrication and cooling when the movable ring and the stationary ring relatively rotate, the abrasion loss of the movable ring and the stationary ring is reduced, and long-term sealing is realized. However, in the actual use process, the oil gas conveying proportion is difficult to control, and under the working condition that the gas phase conveying medium (gas) proportion is high, the dynamic ring and the static ring are in a dry friction state, so that abrasion is aggravated, and the service life of the mechanical seal is greatly influenced. The following problems exist in the prior art:
In summary, in the mechanical sealing device in the prior art, since the outer mechanical seal and the inner mechanical seal are assembled on the transport pump one by one, the inner mechanical seal and the outer mechanical seal cannot be detected integrally during detection, so that the sealing performance cannot be guaranteed effectively, and secondly, when the proportion of the liquid phase conveying medium (oil) in the sealing cavity is high, the liquid phase conveying medium cannot be controlled to enter the sealing cavity along the through groove and the semicircular groove, so that the effect of the cooling liquid is reduced due to the fact that the conveying medium is mixed in the cooling liquid, frequent replacement of the cooling liquid is caused, and the maintenance cost is increased rapidly.
Disclosure of utility model
The utility model provides a mechanical seal for a rotary oil-gas mixing pump, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a rotary oil gas is mechanical seal for mixing pump, includes outer axle sleeve, the top swing joint of outer axle sleeve has the seal tube, the top swing joint of seal tube has the rotating ring, the top of rotating ring is provided with the connector, the bottom fixedly connected with stop collar of outer axle sleeve, the louvre first has been seted up to the outside of outer axle sleeve, the outside swing joint of seal tube has fixing bolt first, fixing bolt second has been connected to the both sides swing joint of stop collar, the inlet has been seted up to the other both sides of stop collar.
The technical scheme of the utility model is further improved as follows: the inside of rotating ring has cup jointed the cooling chamber, the inside one end of rotating ring is provided with the screw thread two, the seal groove has been seted up to the outside of cooling chamber, the intercommunication mouth has been seted up to the bottom of cooling chamber, the inner wall fixedly connected with sealing washer of rotating ring, two the outside of sealing washer and the inside overlap joint of seal groove.
By adopting the technical scheme, the sealing groove and the sealing ring in the scheme are matched, so that the sealing effect between the movable ring and the cooling cavity is achieved.
The technical scheme of the utility model is further improved as follows: the inside of outer axle sleeve is provided with interior axle sleeve, the bottom of interior axle sleeve and the one end fixed connection of stop collar, threaded delivery port has been seted up to the inside of interior axle sleeve, the inside of intercommunication mouth is linked together with the one end of threaded delivery port, louvre second has been seted up to the outside of interior axle sleeve, the inside of louvre second is linked together with the inside of louvre first.
By adopting the technical scheme, the screw thread conveying port, the first radiating hole and the second radiating hole in the scheme are matched, so that the flow speed of cooling liquid is increased, and the radiating effect is improved through the second radiating hole and the first radiating hole.
The technical scheme of the utility model is further improved as follows: one end of the liquid inlet is communicated with the other end of the threaded conveying port, a connecting groove is formed in the bottom of the limiting sleeve, and the outer portion of the second fixing bolt is movably connected with the inner portion of the connecting groove.
By adopting the technical scheme, the second fixing bolt and the connecting groove in the scheme are matched, and the rotary oil-gas mixing pump is connected through the second fixing bolt.
The technical scheme of the utility model is further improved as follows: the inner wall of the sealing tube is provided with a first thread, the inside of the sealing tube is movably connected with the cooling cavity and the outside of the inner shaft sleeve, a fixing groove is formed in the outside of the cooling cavity, the bottom of the first fixing bolt is movably connected with the inside of the fixing groove, a groove is formed in the inner wall of the sealing tube, a spring is fixedly connected with the inner wall of the groove, a rubber ring is fixedly connected with the bottom of the spring, and the surface of the rubber ring is overlapped with the outer surface of the inner shaft sleeve.
By adopting the technical scheme, the elastic force of the spring is utilized to attach the rubber ring to the surface of the outer shaft sleeve by matching between the spring and the rubber ring in the scheme, so that the sealing and fixing effects on the outer shaft sleeve are facilitated.
The technical scheme of the utility model is further improved as follows: the one end of rotating ring has been seted up the spacing groove, the one end fixedly connected with rubber sleeve board of cooling chamber, the outside radian of rubber sleeve board equals with the inside radian of spacing groove, the inside joint of rubber sleeve board has the ball, the outside of ball and the inner wall overlap joint of spacing groove.
By adopting the technical scheme, the rubber sleeve plate in the scheme is matched with the balls, the rubber sleeve plate is buckled into the limiting groove, and the balls roll in the limiting groove to achieve the effect of improving the smoothness of the limiting groove.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. The utility model provides a mechanical seal for a rotary oil-gas mixing pump, which adopts the matching of a cooling cavity, a sealing ring, an inner shaft sleeve, a sealing tube, a first fixing bolt, a spring and a rubber ring, wherein the cooling cavity and the moving ring are connected and sealed through the sealing ring, the outer shaft sleeve and the moving ring are connected through the sealing tube, the outer part of the moving ring is fixed through the fixing bolt after connection, the rubber ring is attached to the surface of the outer shaft sleeve by utilizing the elastic force of the spring, so that the sealing and fixing effects of the outer shaft sleeve are facilitated.
2. The utility model provides a mechanical seal for a rotary oil-gas mixing and conveying pump, which adopts a communication port, a screw conveying port, a first radiating hole, a second radiating hole, a liquid inlet, a rubber sleeve plate, balls and a second radiating hole to be matched, and the cooling liquid in a cooling cavity is conveyed into the screw conveying port through the liquid inlet.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;
FIG. 3 is an enlarged schematic view of part of the A structure of the present utility model;
Fig. 4 is an enlarged schematic view of a portion of the B structure of the present utility model.
In the figure: 1. an outer sleeve; 2. sealing the tube; 201. a first thread; 202. a groove; 3. a moving ring; 4. a connector; 5. a limit sleeve; 501. a connecting groove; 6. a first heat dissipation hole; 7. a first fixing bolt; 8. a second fixing bolt; 9. a liquid inlet; 10. a second thread; 11. a cooling chamber; 110. sealing grooves; 111. a communication port; 112. a fixing groove; 12. a seal ring; 13. an inner sleeve; 130. a second heat dissipation hole; 131. a limit groove; 14. a threaded delivery port; 15. a spring; 16. a rubber ring; 17. a rubber sleeve plate; 18. and (3) rolling balls.
Detailed Description
The utility model is further illustrated by the following examples:
Example 1
As shown in fig. 1-4, the utility model provides a mechanical seal for a rotary oil-gas mixing pump, which comprises an outer shaft sleeve 1, wherein the top of the outer shaft sleeve 1 is movably connected with a sealing tube 2, the top of the sealing tube 2 is movably connected with a movable ring 3, the top of the movable ring 3 is provided with a connector 4, the bottom of the outer shaft sleeve 1 is fixedly connected with a limit sleeve 5, the outside of the outer shaft sleeve 1 is provided with a first heat dissipation hole 6, the outside of the sealing tube 2 is movably connected with a first fixing bolt 7, two sides of the limit sleeve 5 are movably connected with a second fixing bolt 8, and the other two sides of the limit sleeve 5 are provided with liquid inlets 9, so that the overall tightness before installation can be detected through the sealing tube 2, the incomplete sealing is avoided, the rapidness of the sealing is improved, the cooling effect of cooling liquid is improved, and the beneficial effects of maintenance cost are reduced.
Example 2
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the cooling cavity 11 has been cup jointed to the inside of rotating ring 3, the inside one end of rotating ring 3 is provided with screw thread two 10, seal groove 110 has been seted up to the outside of cooling cavity 11, intercommunication mouth 111 has been seted up to the bottom of cooling cavity 11, the inner wall fixedly connected with sealing washer 12 of rotating ring 3, the outside of two sealing washers 12 and the inside overlap joint of seal groove 110, cooperation between sealing washer 110 and the sealing washer 12 plays the effect of carrying out the seal between rotating ring 3 and the cooling cavity 11, the inside of outer hub 1 is provided with interior hub 13, the bottom of interior hub 13 and the one end fixed connection of stop collar 5, screw thread delivery mouth 14 has been seted up to the inside of interior hub 13, the inside of intercommunication mouth 111 is linked together with the one end of screw thread delivery mouth 14, the inside of interior hub 13 has been seted up louvre two 130, the inside of louvre two 130 is linked together with the inside of louvre 6, the cooperation between screw thread delivery mouth 14, the louvre 6 and the louvre two 130 has not only accelerated the flow rate of coolant, the effect has been improved through louvre two 130 and hole one 6, the other end of feed inlet 9 and screw thread delivery mouth 14's one end and screw thread delivery mouth 5 are linked together with screw thread delivery mouth 5's one end and screw thread delivery mouth 5's one end is linked together through the screw thread delivery mouth 501, the inside is linked together with the screw thread 7 is linked together through the screw thread 7, the inside is linked together with the screw bolt is 8, the screw bolt is linked together is that is linked together with the screw bolt is that has the one end is 501.
Example 3
As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inner wall of the sealing tube 2 is provided with a first thread 201, the inside of the sealing tube 2 is movably connected with the cooling cavity 11 and the outside of the inner shaft sleeve 13, the outside of the cooling cavity 11 is provided with a fixed groove 112, the bottom of the first fixed bolt 7 is movably connected with the inside of the fixed groove 112, the inner wall of the sealing tube 2 is provided with a groove 202, the inner wall of the groove 202 is fixedly connected with a spring 15, the bottom of the spring 15 is fixedly connected with a rubber ring 16, the surface of the rubber ring 16 is lapped with the outer surface of the inner shaft sleeve 13, the spring 15 and the rubber ring 16 are matched, the rubber ring 16 is attached to the surface of the outer shaft sleeve 1 by utilizing the elasticity of the spring 15, the sealing and fixing effects of the outer shaft sleeve 1 are facilitated, one end of the moving ring 3 is provided with a limit groove 131, one end of the cooling cavity 11 is fixedly connected with a rubber sleeve plate 17, the outer radian of the rubber sleeve plate 17 is equal to the inner radian of the limit groove 131, the inner part of the rubber sleeve plate 17 is clamped with a ball 18, the outer part of the ball 18 is lapped with the inner wall of the limit groove 131, the rubber sleeve plate 17 is matched with the ball 18, the rubber sleeve 17 and the ball 18 is buckled into the limit groove 131, and the inner part of the limit groove 131 is matched with the outer part of the outer surface of the outer sleeve plate, and the outer sleeve plate is matched with the inner part of the inner sleeve plate through the ball plate.
The working principle of the mechanical seal for the rotary oil-gas mixing pump is specifically described below.
As shown in fig. 1 to 4, firstly, the movable ring 3 and the outer sleeve 1 are respectively rotated into the sealing tube 2 through the first thread 201 to be connected and fixed, so that the outer sleeve 1 and the movable ring 3 are connected, the rubber sleeve plate 17 is buckled into the limiting groove 131, rolls in the limiting groove 131 through the ball 18 to improve the smoothness of the outer sleeve, the fixed ring 3 is fixed outside the movable ring 3 through the first fixing bolt 7 and the sealing tube 2, meanwhile, the rubber ring 16 is attached to the surface of the cooling cavity 11 through the elastic force of the spring 15 in the process of connecting the outer sleeve 1 and the sealing tube 2, the sealing and fixing effects are achieved for the outer sleeve 1, secondly, the cooling liquid enters the threaded conveying port 14 through the liquid inlet 9, flows into the cooling cavity 11 through the threaded conveying port 14 in a spiral mode, meanwhile, the cooling liquid flows into the cooling cavity 11 through the communicating port 111, the flowing speed of the cooling liquid is accelerated in the conveying process, and the cooling effect is improved through the second cooling hole 130 and the first cooling hole 6.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (6)
1. The utility model provides a rotary oil gas is mechanical seal for mixing pump, includes outer axle sleeve (1), its characterized in that: the top swing joint of outer axle sleeve (1) has sealed tube (2), the top swing joint of sealed tube (2) has moving ring (3), the top of moving ring (3) is provided with connector (4), the bottom fixedly connected with stop collar (5) of outer axle sleeve (1), the outside of outer axle sleeve (1) has seted up louvre one (6), the outside swing joint of sealed tube (2) has fixing bolt one (7), the both sides swing joint of stop collar (5) has fixing bolt two (8), inlet (9) have been seted up to the other both sides of stop collar (5), cooling chamber (11) have been cup jointed to the inside of moving ring (3), communication port (111) have been seted up to the bottom of cooling chamber (11), the inner wall fixedly connected with sealing washer (12) of moving ring (3), the inside of inner axle sleeve (1) is provided with sleeve (13), threaded delivery port (14) have been seted up to the inside of inner axle sleeve (13), the outside of inner axle sleeve (13) has seted up louvre two (130), the inner wall (16) of spring seal ring (15) have fixed connection rubber groove (15), the surface of rubber circle (16) and the surface overlap joint of interior cover (13), the one end fixedly connected with rubber sleeve board (17) of cooling chamber (11), the inside joint of rubber sleeve board (17) has ball (18), the outside of ball (18) and the inner wall overlap joint of spacing groove (131).
2. The mechanical seal for a rotary oil-gas mixing pump according to claim 1, wherein: the inner end of the movable ring (3) is provided with a second thread (10), the outside of the cooling cavity (11) is provided with a sealing groove (110), and the outside of the two sealing rings (12) is overlapped with the inside of the sealing groove (110).
3. The mechanical seal for a rotary oil-gas mixing pump according to claim 1, wherein: the bottom of the inner shaft sleeve (13) is fixedly connected with one end of the limit sleeve (5), the inside of the communication port (111) is communicated with one end of the threaded conveying port (14), and the inside of the second radiating hole (130) is communicated with the inside of the first radiating hole (6).
4. The mechanical seal for a rotary oil-gas mixing pump according to claim 1, wherein: one end of the liquid inlet (9) is communicated with the other end of the threaded conveying port (14), a connecting groove (501) is formed in the bottom of the limiting sleeve (5), and the outer part of the second fixing bolt (8) is movably connected with the inner part of the connecting groove (501).
5. The mechanical seal for a rotary oil-gas mixing pump according to claim 1, wherein: the inner wall of the sealing tube (2) is provided with a first thread (201), the inside of the sealing tube (2) is movably connected with the cooling cavity (11) and the outside of the inner shaft sleeve (13), a fixing groove (112) is formed in the outside of the cooling cavity (11), and the bottom of the first fixing bolt (7) is movably connected with the inside of the fixing groove (112).
6. The mechanical seal for a rotary oil-gas mixing pump according to claim 1, wherein: a limiting groove (131) is formed in one end of the movable ring (3), a rubber sleeve plate (17) is fixedly connected to one end of the cooling cavity (11), and the outer radian of the rubber sleeve plate (17) is equal to the inner radian of the limiting groove (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322586320.7U CN220850117U (en) | 2023-09-22 | 2023-09-22 | Mechanical seal for rotary oil-gas mixing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322586320.7U CN220850117U (en) | 2023-09-22 | 2023-09-22 | Mechanical seal for rotary oil-gas mixing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850117U true CN220850117U (en) | 2024-04-26 |
Family
ID=90774658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322586320.7U Active CN220850117U (en) | 2023-09-22 | 2023-09-22 | Mechanical seal for rotary oil-gas mixing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850117U (en) |
-
2023
- 2023-09-22 CN CN202322586320.7U patent/CN220850117U/en active Active
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| GR01 | Patent grant |