CN116066563A - Multi-channel mud-blocking water oil seal assembly - Google Patents
Multi-channel mud-blocking water oil seal assembly Download PDFInfo
- Publication number
- CN116066563A CN116066563A CN202310016548.4A CN202310016548A CN116066563A CN 116066563 A CN116066563 A CN 116066563A CN 202310016548 A CN202310016548 A CN 202310016548A CN 116066563 A CN116066563 A CN 116066563A
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- ring
- shaft sleeve
- sealing
- oil seal
- mud
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
- F16J15/3252—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports with rigid casings or supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention provides a multi-channel mud-water-resistant oil seal assembly, which comprises a stator oil seal, a shaft sleeve and an outer mud-water-resistant assembly, wherein the stator oil seal, the shaft sleeve and the outer mud-water-resistant assembly are sleeved together in an annular mode, the shaft sleeve comprises an outer shaft sleeve, a shaft sleeve side wall and an inner shaft sleeve which are integrally arranged, a clamping groove is formed in the inner shaft sleeve, the clamping groove is arranged towards the outer shaft sleeve, a nylon retainer ring is clamped in the clamping groove, the stator oil seal comprises a sealing support part, an oil seal side wall and an oil seal lip which are integrally arranged, the sealing support wall is connected with the inner mud-resistant assembly, the inner mud-resistant assembly comprises a rubber sealing ring, a main sealing spring ring and an auxiliary sealing spring ring, the rubber sealing ring comprises an intermediate clamping groove, a main sealing lip and an auxiliary sealing lip, the outer mud-resistant assembly comprises an outer shaft sleeve mud-resistant hydrofoil wing and an inner shaft sleeve mud-resistant hydrofoil, the nylon ring reduces running time and running torque, the multi-layer labyrinth design improves sliding performance, reduces rotating friction, ensures excellent sealing performance, and improves the design of multi-layer outer diameter.
Description
Technical Field
The invention relates to the field of oil seals for machinery, in particular to a multi-channel mud-resisting water oil seal assembly.
Background
The muddy water resistance oil seal is a sealing structure, and is mainly used for being installed on machinery which needs to be operated in muddy water environment and used for sealing lubricating oil in the machinery, so that the lubricating oil is not leaked out, muddy water outside the machinery is prevented from entering the machinery, and the muddy water is prevented from damaging rotating parts. Compared with a common sealing ring, the muddy water blocking oil seal is more important for blocking action of muddy water, because once muddy water blocking action fails, muddy water enters the rotating part and can lead to mixed muddy water of lubricating oil, lubrication action fails, meanwhile, muddy water can lead to abrasion and corrosion of the rotating part, the service life of equipment is greatly reduced, and damage is caused. The shape of the mud-water-resistant oil seal is a round revolving body, the inner side of the mud-water-resistant oil seal is lubricating oil, and the outer side of the mud-water-resistant oil seal is facing mud water. The muddy water resistance oil seal structure in the prior art is similar to the lubricating oil seal structure of the rotary shaft lip seal ring specified by GB/T9877-2008 and other standards, and particularly is formed by interference fit of a seal lip and a seal face.
The existing muddy water prevention effect of the muddy water prevention oil seal is insufficient, mainly sealing failure is easy to occur in the face of axial and radial offset of a rotating part, and in the existing muddy water prevention oil seal, two parts of the stator oil seal and the shaft sleeve are in interference fit, but in the face of axial and radial offset, interference fit is easy to fail, so that muddy water is easy to enter. In particular, the existing structure is more biased to prevent the muddy water from flowing in the radial direction, and the axial muddy water-preventing sealing effect is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the multi-channel mud-blocking water oil seal assembly with good sealing effect on radial and axial deflection of a rotating structure.
The aim of the invention is achieved by the following technical measures:
the utility model provides a mud oil blanket assembly is hindered to multichannel, includes stator oil blanket, axle sleeve and the outer muddy water subassembly that hinders that annular suit is in the same place, its characterized in that:
the shaft sleeve comprises an outer shaft sleeve, a shaft sleeve side wall and an inner shaft sleeve which are integrally arranged, and a shaft sleeve sealing groove is formed among the outer shaft sleeve, the shaft sleeve side wall and the inner shaft sleeve of the shaft sleeve;
the stator oil seal comprises a seal supporting part, an oil seal side wall and an oil seal lip part which are integrally arranged, wherein the seal supporting part of the stator oil seal is arranged in a shaft sleeve seal groove, the seal supporting part comprises an outer side supporting wall, an inner side supporting side wall, a middle supporting wall and a sealing piece supporting wall, a check ring groove is formed among the outer side supporting wall, the inner side supporting side wall and the middle supporting wall, and the sealing piece supporting wall is connected with an internal mud water resistance assembly;
the outer mud-water blocking assembly comprises an outer sleeve mud-blocking hydrofoil and an inner sleeve mud-blocking hydrofoil, the outer sleeve mud-blocking hydrofoil is sleeved with the outer sleeve, the outer sleeve mud-blocking hydrofoil is provided with an annular convex outer rubber wing outside the outer sleeve, the outer sleeve mud-blocking hydrofoil is provided with an annular convex inner rubber wing inside the outer sleeve, the inner rubber wing is arranged in interference fit with an outer supporting wall, and a connecting ring is connected between the outer sleeve mud-blocking hydrofoil and the inner sleeve mud-blocking hydrofoil.
As an improvement: the inner sleeve is provided with a clamping groove, the clamping groove is arranged towards the outer sleeve, a nylon check ring is clamped in the clamping groove, the nylon check ring is provided with an inner ring wall and an outer ring wall which are vertically arranged, the outer ring wall of the nylon check ring is clamped in the clamping groove of the inner sleeve, and the inner ring wall of the nylon check ring is inserted into the check ring groove.
As an improvement: the internal mud water resistance assembly comprises a rubber sealing ring, a main sealing spring ring and an auxiliary sealing spring ring, wherein the main sealing spring ring and the auxiliary sealing spring ring tighten the rubber sealing ring, and the rubber sealing ring is arranged between the shaft sleeve and the stator oil seal.
As an improvement: the rubber sealing ring comprises a middle clamping groove, a main sealing lip and an auxiliary sealing lip, wherein the main sealing lip is arranged between the side wall of the shaft sleeve and the inner shaft sleeve, the main sealing lip is tightened towards the center through a main sealing spring ring, the auxiliary sealing lip is arranged between the outer ring wall of the nylon retainer ring and the inner shaft sleeve, the auxiliary sealing lip is tightened towards the center through an auxiliary sealing spring ring, the sealing member supporting wall is inserted into the middle clamping groove of the rubber sealing ring, and the sealing member supporting wall is in interference fit with the rubber sealing ring.
As an improvement: an intermediate buffer groove is formed between the rubber sealing ring and the inner shaft sleeve, a main lip buffer groove is formed between the main sealing lip and the nylon check ring, and an auxiliary lip buffer groove is formed between the auxiliary sealing lip and the side wall of the shaft sleeve.
As an improvement: the nylon ring piece is connected between the outer shaft sleeve and the side wall of the oil seal, the nylon ring piece comprises a nylon ring main body and a nylon ring inner lip, the outer shaft sleeve mud-resisting hydrofoil and the inner shaft sleeve mud-resisting hydrofoil extend towards the far end of the outer shaft sleeve and form an annular groove, the nylon ring inner lip is arranged towards the outer shaft sleeve, and the nylon ring inner lip is spliced with the annular groove.
As an improvement: the nylon ring piece comprises a nylon ring outer lip, and the protruding direction of the nylon ring outer lip is the same as that of the outer rubber wing.
As an improvement: the side wall of the inner shaft sleeve mud-resisting wing far away from the inner shaft sleeve is provided with two groups of rubber sealing ribs, and the two groups of rubber sealing ribs and the inner shaft sleeve mud-resisting wing are integrally arranged.
As an improvement: the protruding direction of the outer rubber wing at the outer side of the outer sleeve mud-resisting wing is opposite to the protruding direction of the inner rubber wing at the inner side of the outer sleeve mud-resisting wing, the protruding direction of the outer rubber wing faces away from the direction of the nylon ring piece, and the protruding direction of the inner rubber wing faces towards the direction close to the direction of the nylon ring piece.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that:
the sealing performance is ensured through the setting of multiunit rubber seal rib, the axle sleeve is made by the instrument steel that has certain thickness, firm integral type structure has structural strength height, the tough advantage in side, comprehensive protection inner structure prevents that inside muddy water structure from damaging during the installation, stator oil blanket, the axle sleeve, outer muddy water subassembly and the muddy water subassembly of internal resistance constitute multilayer labyrinth design jointly, professional design's nylon ring piece reduces running-in time and running torque, multilayer labyrinth design has the advantage that improves slidability and reduce rotation friction, outer axle sleeve hinders mud hydrofoil, interior axle sleeve hinders mud hydrofoil, rubber seal ring and rubber seal rib are by hydrogenated nitrile rubber, its structure ensures outstanding sealing performance, the design of multilayer external diameter, the suitability has been improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
FIG. 3 is a schematic view of the connection structure between the bushing and the outer mud-blocking water assembly of FIG. 2.
Fig. 4 is a schematic perspective view of the sleeve of fig. 3.
Fig. 5 is a schematic perspective view of the external mud-blocking water assembly of fig. 3.
Fig. 6 is a schematic diagram of a connection structure between the stator oil seal and the mud-water-blocking assembly in fig. 2.
In the figure: 1. a shaft sleeve; 11. an outer sleeve; 12. an inner sleeve; 13. a sleeve sidewall; 14. sealing grooves of the shaft sleeve; 15. a clamping groove; 16. nylon retainer rings; 2. stator oil seal; 21. a seal support; 211. an outer support wall; 212. an inner support sidewall; 213. a middle support wall; 214. a seal support wall; 215. a retainer ring groove; 22. the side wall of the oil seal; 23. an oil seal lip; 3. an external mud-water resistance assembly; 31. the outer shaft sleeve blocks the mud hydrofoil; 32. the inner shaft sleeve blocks the mud hydrofoil; 33. an inner rubber wing; 34. an outer rubber wing; 35. a ring groove; 36. rubber sealing ribs; 37. a connecting ring; 4. a mud-water-blocking assembly; 41. a primary seal spring ring; 42. an auxiliary sealing spring ring; 43. a rubber seal ring; 44. a middle clamping groove; 45. a primary seal lip; 46. a secondary seal lip; 47. a main lip buffer tank; 48. an auxiliary lip buffer groove; 49. a middle buffer tank; 5. nylon ring pieces; 51. a nylon ring body; 52. a nylon ring inner lip; 53. nylon ring outer lip.
Detailed Description
Examples: as shown in fig. 1 to 6, a multi-channel mud-water-blocking oil seal assembly comprises a stator oil seal 2, a shaft sleeve 1 and an outer mud-water-blocking assembly 3 which are sleeved together in an annular mode, wherein the shaft sleeve 1 comprises an outer shaft sleeve 11, a shaft sleeve side wall 13 and an inner shaft sleeve 12 which are integrally arranged, a shaft sleeve sealing groove 14 is formed among the outer shaft sleeve 11, the shaft sleeve side wall 13 and the inner shaft sleeve 12 of the shaft sleeve 1, the stator oil seal 2 comprises an integrally arranged sealing support part 21, an oil seal side wall 22 and an oil seal lip part 23, the sealing support part 21 of the stator oil seal 2 is arranged inside the shaft sleeve sealing groove 14, the sealing support part 21 comprises an outer side support wall 211, an inner side support side wall 212, an intermediate support wall 213 and a sealing piece support wall 214, the outer side supporting wall 211, the inner side supporting side wall 212 and the middle supporting wall 213 form a check ring groove 215, the sealing piece supporting wall 214 is connected with an inner mud-water blocking assembly 4, the outer mud-water blocking assembly 3 comprises an outer shaft sleeve mud-water blocking wing 31 and an inner shaft sleeve mud-water blocking wing 32, the outer shaft sleeve mud-water blocking wing 31 is sleeved with the outer shaft sleeve 11, the outer shaft sleeve mud-water blocking wing 31 is provided with an annular convex outer rubber wing 34 outside the outer shaft sleeve 11, the outer shaft sleeve mud-water blocking wing 31 is provided with an annular convex inner rubber wing 33 inside the outer shaft sleeve 11, the inner rubber wing 33 is in interference fit with the outer side supporting wall 211, and a connecting ring 37 is connected between the outer shaft sleeve mud-water blocking wing 31 and the inner shaft sleeve mud-water blocking wing 32.
According to fig. 2 and 4, the inner sleeve 12 is provided with a clamping groove 15, the clamping groove 15 is arranged towards the outer sleeve 11, a nylon retainer 16 is clamped in the clamping groove 15, the nylon retainer 16 is provided with an inner ring wall and an outer ring wall which are vertically arranged, the outer ring wall of the nylon retainer 16 is clamped in the clamping groove 15 of the inner sleeve 12, and the inner ring wall of the nylon retainer 16 is inserted into a retainer groove 215. The nylon retainer ring 16 can be used for limiting the stator oil seal 2, and by arranging the nylon retainer ring 16, the inside of the oil seal assembly can be enabled to form a labyrinth structure, and the advantages of sliding property improvement and rotating friction reduction are achieved through the labyrinth structure of a complex structure, so that excellent sealing performance is ensured, and the design of multi-level outer diameter is improved, so that the suitability is improved.
According to fig. 2 and 6, the muddy water blocking assembly 4 includes a rubber seal ring 43, a main seal spring ring 41 and a sub seal spring ring 42, the main seal spring ring 41 and the sub seal spring ring 42 tighten the rubber seal ring 43, and the rubber seal ring 43 is disposed between the sleeve 1 and the stator oil seal 2. The muddy water blocking assembly 4 mainly plays roles in sealing performance and muddy water renting capability in the oil seal assembly, and the rubber sealing ring 43 can be tightened through the main sealing spring ring 41 and the auxiliary sealing spring ring 42, so that sealing is achieved.
As shown in fig. 2, 3, 4 and 6, the rubber seal ring 43 includes a middle clamping groove 44, a main seal lip 45 and a secondary seal lip 46, the main seal lip 45 is disposed between the sleeve side wall 13 and the inner sleeve 12, the main seal lip 45 is tightened toward the center by a main seal spring ring 41, the secondary seal lip 46 is disposed between the outer ring wall of the nylon retainer ring 16 and the inner sleeve 12, the secondary seal lip 46 is tightened toward the center by a secondary seal spring ring 42, the seal support wall 214 is inserted into the middle clamping groove 44 of the rubber seal ring 43, and the seal support wall 214 is in interference fit with the rubber seal ring 43.
As shown in fig. 2, 3, 4 and 6, an intermediate buffer groove 49 is provided between the rubber seal ring 43 and the inner sleeve 12, a main lip buffer groove 47 is provided between the main seal lip 45 and the nylon retainer ring 16, and an auxiliary lip buffer groove 48 is provided between the auxiliary seal lip 46 and the sleeve side wall 13. The intermediate buffer slot 49 may apply a force to the seal support wall 214 to thereby urge against the seal support wall 214, the primary lip buffer slot 47 may apply a force to the nylon retainer 16 to thereby seal the gap between the nylon retainer 16 and the primary seal lip 45, and the secondary lip buffer slot 48 may apply a force to the sleeve sidewall 13 to thereby seal the gap between the sleeve sidewall 13 and the secondary lip buffer slot 48.
As shown in fig. 2 and 3, a nylon ring piece 5 is connected between the outer sleeve 11 and the oil seal side wall 22, the nylon ring piece 5 comprises a nylon ring main body 51 and a nylon ring inner lip 52, the outer sleeve mud-resisting wing 31 and the inner sleeve mud-resisting wing 32 extend towards the far end of the outer sleeve 11 and form a ring groove 35, the nylon ring inner lip 52 is arranged towards the outer sleeve 11, and the nylon ring inner lip 52 is spliced with the ring groove 35. The nylon ring piece 5 mainly plays a role in fixing the outer shaft sleeve mud-blocking water wing 31, and the gap between the nylon ring inner lip 52 and the ring groove 35 can be sealed through the connection of the nylon ring inner lip 52 and the ring groove 35, so that the design of multi-level outer diameter is realized, and the suitability is improved.
As shown in fig. 2 and 3, the nylon ring sheet 5 includes a nylon ring outer lip 53, and the nylon ring outer lip 53 protrudes in the same direction as the outer rubber wing 34. The nylon ring 5 has a sealing function, and the nylon ring outer lip 53 mainly has a sealing function and a function of tightly pushing the oil seal side wall 22.
As shown in fig. 2, 3 and 5, two sets of rubber sealing ribs 36 are arranged on the side wall of the inner sleeve mud-resisting wing 32 far away from the inner sleeve 12, and the two sets of rubber sealing ribs 36 are integrally arranged with the inner sleeve mud-resisting wing 32. The components mounted in the inner sleeve 12 can be sealed by arranging the rubber sealing ribs 36, the two groups of rubber sealing ribs 36 can achieve better sealing effect, the two groups of rubber sealing ribs 36 are provided with annular grooves, friction force during matching can be increased, sealing can be performed, and the rubber sealing ribs 36 are made of hydrogenated nitrile rubber.
As shown in fig. 2, 3, 5 and 6, the protruding direction of the outer rubber wing 34 outside the outer sleeve mud-blocking hydrofoil 31 is opposite to the protruding direction of the inner rubber wing 33 inside the outer sleeve mud-blocking hydrofoil 31, the protruding direction of the outer rubber wing 34 faces away from the nylon ring piece 5, and the protruding direction of the inner rubber wing 33 faces towards the direction approaching to the nylon ring piece 5. The protruding direction of outer rubber wing 34 is favorable to when the installation, and the effectual muddy water that prevents the external world gets into the oil blanket assembly inside, and the protruding direction of outer rubber wing 34 can directly play the effect of blocking to muddy water, and the protruding direction of interior rubber wing 33 is in order to prevent that muddy water from getting into the oil blanket assembly inside through between outer axle sleeve 11 and the outside supporting wall 211, and the protruding direction of interior rubber wing 33 can directly play the effect of blocking to muddy water to interior rubber wing 33 and outside supporting wall 211 interference fit set up, also can prevent that muddy water from getting into the oil blanket assembly inside from the gap between interior rubber wing 33 and the outside supporting wall 211, ensures excellent sealing performance.
Claims (9)
1. The utility model provides a mud oil blanket assembly is hindered to multichannel, includes stator oil blanket (2), axle sleeve (1) and outer muddy water subassembly (3) that hinder that annular suit is in the same place, its characterized in that:
the shaft sleeve (1) comprises an outer shaft sleeve (11), a shaft sleeve side wall (13) and an inner shaft sleeve (12) which are integrally arranged, and a shaft sleeve sealing groove (14) is formed among the outer shaft sleeve (11), the shaft sleeve side wall (13) and the inner shaft sleeve (12) of the shaft sleeve (1);
the stator oil seal (2) comprises a seal supporting part (21), an oil seal side wall (22) and an oil seal lip part (23) which are integrally arranged, the seal supporting part (21) of the stator oil seal (2) is arranged inside a shaft sleeve sealing groove (14), the seal supporting part (21) comprises an outer side supporting wall (211), an inner side supporting side wall (212), an intermediate supporting wall (213) and a seal piece supporting wall (214), a check ring groove (215) is formed among the outer side supporting wall (211), the inner side supporting side wall (212) and the intermediate supporting wall (213), and the seal piece supporting wall (214) is connected with an internal mud water resisting component (4);
the outer muddy water blocking assembly (3) comprises an outer shaft sleeve muddy water blocking wing (31) and an inner shaft sleeve muddy water blocking wing (32), the outer shaft sleeve muddy water blocking wing (31) is sleeved with the outer shaft sleeve (11), the outer shaft sleeve muddy water blocking wing (31) is provided with an annular convex outer rubber wing (34) outside the outer shaft sleeve (11), the outer shaft sleeve muddy water blocking wing (31) is provided with an annular convex inner rubber wing (33) inside the outer shaft sleeve (11), the inner rubber wing (33) is arranged in interference fit with an outer supporting wall (211), and a connecting ring (37) is connected between the outer shaft sleeve muddy water blocking wing (31) and the inner shaft sleeve muddy water blocking wing (32).
2. The multi-channel slurry-resistant oil seal assembly according to claim 1, wherein: the novel anti-theft lock is characterized in that the inner sleeve (12) is provided with a clamping groove (15), the clamping groove (15) is arranged towards the outer sleeve (11), a nylon check ring (16) is clamped in the clamping groove (15), the nylon check ring (16) is provided with an inner ring wall and an outer ring wall which are vertically arranged, the outer ring wall of the nylon Long Dangjuan (16) is clamped in the clamping groove (15) of the inner sleeve (12), and the inner ring wall of the nylon check ring (16) is inserted into the check ring groove (215).
3. The multi-channel slurry-resistant oil seal assembly according to claim 2, wherein: the internal mud water resistance assembly (4) comprises a rubber sealing ring (43), a main sealing spring ring (41) and an auxiliary sealing spring ring (42), wherein the main sealing spring ring (41) and the auxiliary sealing spring ring (42) tighten the rubber sealing ring (43), and the rubber sealing ring (43) is arranged between the shaft sleeve (1) and the stator oil seal (2).
4. A multi-pass slurry oil seal assembly according to claim 3 wherein: the rubber sealing ring (43) comprises a middle clamping groove (44), a main sealing lip (45) and an auxiliary sealing lip (46), the main sealing lip (45) is arranged between the side wall (13) of the shaft sleeve and the inner shaft sleeve (12), the main sealing lip (45) is tightened towards the center through a main sealing spring ring (41), the auxiliary sealing lip (46) is arranged between the outer ring wall of the nylon retainer ring (16) and the inner shaft sleeve (12), the auxiliary sealing lip (46) is tightened towards the center through an auxiliary sealing spring ring (42), the sealing piece supporting wall (214) is spliced with the middle clamping groove (44) of the rubber sealing ring (43), and the sealing piece supporting wall (214) is in interference fit with the rubber sealing ring (43).
5. The multi-channel slurry-resistant oil seal assembly according to claim 4, wherein: an intermediate buffer groove (49) is formed between the rubber sealing ring (43) and the inner shaft sleeve (12), a main lip buffer groove (47) is formed between the main sealing lip (45) and the nylon retainer ring (16), and an auxiliary lip buffer groove (48) is formed between the auxiliary sealing lip (46) and the side wall (13) of the shaft sleeve.
6. The multi-channel slurry-resistant oil seal assembly according to claim 1, wherein: the novel nylon ring is characterized in that a nylon ring piece (5) is connected between the outer sleeve (11) and the oil seal side wall (22), the nylon ring piece (5) comprises a nylon ring main body (51) and a nylon ring inner lip (52), the outer sleeve muddy water resisting wings (31) and the inner sleeve muddy water resisting wings (32) extend towards the far end of the outer sleeve (11) and form an annular groove (35), the nylon ring inner lip (52) is arranged towards the outer sleeve (11), and the nylon ring inner lip (52) is spliced with the annular groove (35).
7. The multi-channel slurry-resistant oil seal assembly of claim 6, wherein: the nylon ring piece (5) comprises a nylon ring outer lip (53), and the protruding direction of the nylon ring outer lip (53) is the same as that of the outer rubber wing (34).
8. The multi-channel slurry-resistant oil seal assembly according to claim 1, wherein: the side wall of the inner shaft sleeve mud-resisting wing (32) far away from the inner shaft sleeve (12) is provided with two groups of rubber sealing ribs (36), and the two groups of rubber sealing ribs (36) and the inner shaft sleeve mud-resisting wing (32) are integrally arranged.
9. The multi-channel slurry-resistant oil seal assembly according to claim 1, wherein: the protruding direction of the outer rubber wings (34) on the outer side of the outer sleeve mud-resisting wing (31) is opposite to the protruding direction of the inner rubber wings (33) on the inner side of the outer sleeve mud-resisting wing (31), the protruding direction of the outer rubber wings (34) faces away from the direction of the nylon ring piece (5), and the protruding direction of the inner rubber wings (33) faces towards the direction close to the direction of the nylon ring piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310016548.4A CN116066563A (en) | 2023-01-06 | 2023-01-06 | Multi-channel mud-blocking water oil seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310016548.4A CN116066563A (en) | 2023-01-06 | 2023-01-06 | Multi-channel mud-blocking water oil seal assembly |
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| Publication Number | Publication Date |
|---|---|
| CN116066563A true CN116066563A (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310016548.4A Pending CN116066563A (en) | 2023-01-06 | 2023-01-06 | Multi-channel mud-blocking water oil seal assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117628186A (en) * | 2024-01-25 | 2024-03-01 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
-
2023
- 2023-01-06 CN CN202310016548.4A patent/CN116066563A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117628186A (en) * | 2024-01-25 | 2024-03-01 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
| CN117628186B (en) * | 2024-01-25 | 2024-04-19 | 邢台苏伯特油封制造有限公司 | Bidirectional sealing rotary oil seal |
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