CN211692934U - Bearing seal structure of water pump transmission part - Google Patents
Bearing seal structure of water pump transmission part Download PDFInfo
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- CN211692934U CN211692934U CN202020302646.6U CN202020302646U CN211692934U CN 211692934 U CN211692934 U CN 211692934U CN 202020302646 U CN202020302646 U CN 202020302646U CN 211692934 U CN211692934 U CN 211692934U
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- seal structure
- rotating shaft
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- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The utility model discloses a water pump drive disk assembly's bearing seal structure belongs to bearing seal structure technical field. The bearing sealing structure of the water pump transmission part comprises a bearing box arranged on a bracket, a bearing arranged outside a rotating shaft is sleeved in the bearing box, a gland is arranged at an opening at one end of the bearing box and connected with the bearing box, a baffle sleeve is arranged between the gland and the rotating shaft, an oil thrower is arranged between the baffle sleeve and the bearing and is attached to the bearing under the action of the baffle sleeve, a locking nut with a positioning effect on the baffle sleeve is arranged on the rotating shaft, and the locking nut is located outside the baffle sleeve. An oil seal with a sealing function is arranged between the gland and the blocking sleeve, and the inner side surface and the outer side surface of the oil seal are respectively in close contact with the outer side surface of the blocking sleeve and the gland. The utility model adopts the above structure water pump transmission part's bearing seal structure, can solve the problem that bearing department heat dissipation is poor, easy oil leak.
Description
Technical Field
The utility model belongs to the technical field of bearing seal structure technique and specifically relates to a bearing seal structure of water pump drive disk assembly is related to.
Background
Water pumps are machines that deliver or pressurize a liquid. The inside of the bracket of the water pump is provided with a rotating shaft, one end of the rotating shaft is connected with a motor, the other end of the rotating shaft is connected with a rotating wheel, and the motor drives the rotating wheel to rotate through the rotating shaft, so that liquid is conveyed or pressurized. The rotating shaft and the bracket are rotatably connected through the bearing, and the bearing needs to be lubricated by injecting lubricating oil in the working process, so that a corresponding sealing structure is required to be arranged at the bearing, and the lubricating oil in the bearing is prevented from leaking to cause the oil leakage problem. The sealing structure of traditional bearing department seals for adopting two oil blanket, and two oil blanket seals make the increase of friction area, are unfavorable for the heat dissipation of bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water pump drive disk assembly's bearing seal structure solves the problem that bearing department heat dissipation is poor, easy oil leak.
In order to achieve the purpose, the utility model provides a bearing sealing structure of a water pump transmission part, which comprises a bearing box arranged on a bracket, wherein the bearing box is sleeved outside a rotating shaft, a bearing sleeved outside the rotating shaft is arranged inside the bearing box, a gland is arranged at an opening at one end of the bearing box and sleeved outside the rotating shaft, the gland is connected with the bearing box, a baffle sleeve is arranged between the gland and the rotating shaft, an oil thrower is arranged between the baffle sleeve and the bearing, the oil thrower is attached to the bearing under the action of the baffle sleeve, a locking nut with a positioning function on the baffle sleeve is arranged on the rotating shaft, and the locking nut is positioned outside the baffle sleeve; an oil seal with a sealing function is arranged between the gland and the blocking sleeve, and the inner side surface and the outer side surface of the oil seal are respectively in close contact with the outer side surface of the blocking sleeve and the gland.
Preferably, the middle part of the oil thrower is provided with a mounting hole for the rotating shaft to pass through, one end of the mounting hole far away from the bearing is provided with a groove for mounting a sealing ring, and the sealing ring is positioned between the oil thrower and the rotating shaft.
Preferably, the edge of one end face, far away from the bearing, of the oil thrower is uniformly provided with a plurality of blades, and a groove is formed between every two adjacent blades.
Preferably, the number of the blades is 16, the grooves are rectangular grooves, and the width of each groove is 10 mm.
Preferably, the outer surface of the blade is no higher than the end surface of the oil slinger away from the bearing.
Preferably, an oil throwing surface is arranged on one end face of the oil throwing disc close to the bearing, and the oil throwing surface is not higher than the end face of the oil throwing disc close to the bearing.
Preferably, the side surface of the oil slinger surface protrudes from the inner surface of the bearing outer ring.
The utility model discloses be provided with the disc between bearing and gland, the disc is thrown into the bearing again with the lubricating oil of roll-off in the bearing in, avoids lubricating oil to flow from the bearing box. An oil seal is arranged between the oil thrower and the gland, so that the leakage of lubricating oil is further avoided. The oil throwing process of the oil throwing disc realizes the circulation of lubricating oil, and drives the air at the bearing to flow, so that the heat dissipation effect of the bearing is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a bearing sealing structure of a water pump transmission component according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural view of an oil thrower according to an embodiment of the bearing sealing structure of the water pump transmission component of the present invention;
fig. 4 is a schematic structural view of a section of an oil thrower disc according to an embodiment of a bearing sealing structure of a water pump transmission component of the present invention.
Reference numerals
1. A bracket; 2. a rotating shaft; 3. a rotating wheel; 4. a bearing housing; 5. a bearing; 6. a gland; 7. locking the nut; 8. a blocking sleeve; 9. an oil slinger; 10. oil sealing; 11. a seal ring; 12. mounting holes; 13. mounting grooves; 14. a blade; 15. a groove; 16. and (5) throwing oil level.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of a bearing sealing structure of a water pump transmission component of the present invention, and fig. 2 is a partially enlarged view of a portion a in fig. 1. As shown in the figure, the bearing sealing structure of the water pump transmission component comprises a bearing box 4 arranged on a bracket 1, wherein the bearing box 4 is sleeved outside a rotating shaft 2 and is fixed on the bracket 1 through screws. One end of the rotating shaft 2 is connected with a rotating wheel 3 through a key. The inside of bearing box 4 is provided with the bearing 5 of cover establishing in the outside of pivot 2, and the inner circle of bearing 5 is fixed a position through the shaft shoulder on the pivot 2, and the outer lane of bearing 5 is fixed a position through the bottom of bearing box 4. A gland 6 is arranged at an opening at one end of the bearing box 4, the gland 6 is sleeved outside the rotating shaft 2, and the gland 6 is fixedly connected with the bearing box 4 through screws. The inner side surface of the gland 6 is abutted against the outer ring of the bearing 5 to position the outer ring. A blocking sleeve 8 is arranged between the gland 6 and the rotating shaft 2, and the blocking sleeve 8 is sleeved outside the rotating shaft 2. An oil thrower 9 is arranged between the baffle sleeve 8 and the bearing 5, and the oil thrower 9 is tightly attached to the inner ring of the bearing 5 under the action of the baffle sleeve 8. The rotating shaft 2 is provided with a locking nut 7 which has a positioning effect on the blocking sleeve 8, and the locking nut 7 is positioned outside the blocking sleeve 8. The side face of the rotating shaft 2 is provided with an external thread matched with the locking nut 7, and the locking nut 7 tightly pushes the oil thrower 9 against the inner ring of the bearing 5 through the baffle sleeve 8, so that the oil thrower 9 synchronously rotates along with the inner ring of the bearing 5 and the rotating shaft 2.
An oil seal 10 with a sealing function is arranged between the gland 6 and the blocking sleeve 8, and the inner side surface and the outer side surface of the oil seal 10 are respectively in close contact with the outer side surface of the blocking sleeve 8 and the gland 6. The oil seal 10 seals the connection surface between the gland 6 and the collar 8.
Fig. 3 is the utility model relates to a hydro-extracting cage structural schematic of water pump drive disk assembly's bearing seal structure embodiment, fig. 4 is the utility model relates to a hydro-extracting cage cross-sectional structural schematic of water pump drive disk assembly's bearing seal structure embodiment. As shown in the figure, the middle of the oil thrower 9 is provided with a mounting hole 12 for the rotating shaft 2 to pass through, and the diameter of the mounting hole 12 is slightly larger than the diameter of the rotating shaft 2. One end of the mounting hole 12 far away from the bearing 5 is provided with a mounting groove 13 for mounting a sealing ring 11, and the sealing ring 11 is positioned between the oil thrower disc 9 and the rotating shaft 2. The sealing ring 11 is a rubber O-shaped ring, the width of the sealing ring 11 is not less than the distance from the side surface of the mounting groove 13 to the surface of the rotating shaft 2, the sealing ring 11 seals the connecting surface between the oil thrower 9 and the rotating shaft 2, and the lubricating oil in the bearing 5 is prevented from leaking from the connecting surface between the oil thrower 9 and the rotating shaft 2.
The edge of the oil thrower 9, which is far away from one end face of the bearing 5, is uniformly provided with a plurality of blades 14, and a groove 15 is arranged between adjacent blades 14. In this embodiment, the number of the blades 14 is 16, the grooves 15 are rectangular grooves, and the width of the grooves 15 is 10 mm. The outer surface of the vane 14 is not higher than the end surface of the oil thrower 9 away from the bearing 5, so that a certain clearance is left between the vane 14 and the oil seal 10 and the baffle sleeve 8. The blades 14 increase the weight at the edge of the oil thrower 9 on one hand, which is beneficial to the rotation of the oil thrower 9; on the other hand, the arrangement of the blades 14 is beneficial to heat dissipation of the oil thrower plate 9.
An oil throwing surface 16 is arranged on one end face of the oil throwing disc 9 close to the bearing 5, and the oil throwing surface 16 is not higher than the end face of the oil throwing disc 9 close to the bearing 5. The side of the oil slinger surface 16 protrudes the inner surface of the outer ring of the bearing 5. In-process that disc 9 rotates along with pivot 2, the lubricating oil landing in the bearing 5 gets rid of the oil level 16, gets rid of the lubricating oil on the oil level 16 and is got rid of the bearing 5 again under the effect of centrifugal force in, and setting up of disc 9 has effectually avoided the lubricating oil in the bearing 5 to flow out from bearing box 4. In addition, the lubricating oil in the bearing 5 is circulated on the oil thrower 9, which is beneficial to reducing the temperature of the bearing 5; the oil slinger 9 drives the air flow at the bearing 5 during rotation and also contributes to the heat dissipation of the bearing 5.
Therefore, the utility model adopts the above structure water pump drive disk assembly's bearing seal structure, can solve the problem that the bearing department heat dissipation is poor, the easy oil leak.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a water pump drive disk assembly's bearing seal structure, is including setting up the bearing box on the bracket, and the outside at the pivot is established to the bearing box cover, and the inside of bearing box is provided with the cover and establishes the outside bearing of pivot, its characterized in that: the oil thrower is arranged between the baffle sleeve and the bearing, the oil thrower is attached to the bearing under the action of the baffle sleeve, the rotating shaft is provided with a locking nut which has a positioning effect on the baffle sleeve, and the locking nut is positioned outside the baffle sleeve; an oil seal with a sealing function is arranged between the gland and the blocking sleeve, and the inner side surface and the outer side surface of the oil seal are respectively in close contact with the outer side surface of the blocking sleeve and the gland.
2. The bearing seal structure of a water pump drive component according to claim 1, characterized in that: the middle part of the oil thrower is provided with a mounting hole for the rotating shaft to pass through, one end of the mounting hole, which is far away from the bearing, is provided with a groove for mounting a sealing ring, and the sealing ring is positioned between the oil thrower and the rotating shaft.
3. The bearing seal structure of a water pump drive component according to claim 1, characterized in that: the edge of the oil thrower disc, which is far away from one end face of the bearing, is uniformly provided with a plurality of blades, and a groove is formed between every two adjacent blades.
4. A bearing seal structure of a water pump transmission member according to claim 3, characterized in that: the number of the blades is 16, the grooves are rectangular grooves, and the width of each groove is 10 mm.
5. A bearing seal structure of a water pump transmission member according to claim 3, characterized in that: the outer surface of the blade is not higher than the end face of the oil thrower disc far away from the bearing.
6. The bearing seal structure of a water pump drive component according to claim 1, characterized in that: and an oil throwing surface is arranged on one end surface of the oil throwing disc close to the bearing, and the oil throwing surface is not higher than the end surface of the oil throwing disc close to the bearing.
7. The bearing seal structure of a water pump drive component according to claim 6, characterized in that: and the side surface of the oil throwing surface protrudes out of the inner surface of the bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302646.6U CN211692934U (en) | 2020-03-12 | 2020-03-12 | Bearing seal structure of water pump transmission part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020302646.6U CN211692934U (en) | 2020-03-12 | 2020-03-12 | Bearing seal structure of water pump transmission part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211692934U true CN211692934U (en) | 2020-10-16 |
Family
ID=72780584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020302646.6U Active CN211692934U (en) | 2020-03-12 | 2020-03-12 | Bearing seal structure of water pump transmission part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211692934U (en) |
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2020
- 2020-03-12 CN CN202020302646.6U patent/CN211692934U/en active Active
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