CN113757373A - Crankshaft rear oil seal seat based on improved structure - Google Patents
Crankshaft rear oil seal seat based on improved structure Download PDFInfo
- Publication number
- CN113757373A CN113757373A CN202110719741.5A CN202110719741A CN113757373A CN 113757373 A CN113757373 A CN 113757373A CN 202110719741 A CN202110719741 A CN 202110719741A CN 113757373 A CN113757373 A CN 113757373A
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- China
- Prior art keywords
- oil seal
- seal seat
- sealing
- oil
- ring
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Classifications
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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
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F11/00—Arrangements of sealings in combustion engines
Abstract
The invention relates to a crankshaft rear oil seal seat based on an improved structure, which comprises a crankshaft rear oil seal seat, wherein a plurality of thread fixing blocks are fixedly arranged on the outer surface of the crankshaft rear oil seal seat, an oil seal seat sealing gasket is arranged at the left end of the crankshaft rear oil seal seat, the shape of the oil seal seat sealing gasket is the same as that of an outer frame of the oil seal seat, and an oil seal fixing component is fixedly arranged at the right end of the crankshaft rear oil seal seat. According to the invention, by arranging the oil seal ring to be immersed in the seal oil, no gap is generated, so that the unbalanced part installation caused by the fluffy oil seal ring of the part in the installation process is avoided, the oil leakage of the crankshaft rear oil seal seat is caused, the seal ring can improve the sealing property of the crankshaft rear oil seal seat, the oil seal seat sealing gasket can isolate the oil leakage of the crankshaft rear oil seal seat again, the sealing property of the crankshaft rear oil seal seat can be improved, and the installation and the replacement of maintenance personnel are facilitated, so that the whole device is more practical.
Description
Technical Field
The invention relates to the technical field of crankshaft rear oil seal seats, in particular to a crankshaft rear oil seal seat based on an improved structure.
Background
The crankshaft rear oil seal seat is one of parts for sealing the rear end of an engine, is a main part for preventing lubricating oil from leaking, and plays roles of sealing, noise reduction and the like, a general crankshaft journal is mainly supported by a cylinder body and a main bearing cover, no additional crankshaft bearing seat part is needed, along with the high power of the engine, and the rear cantilever of the crankshaft determined by the rear arrangement of a gear chamber is lengthened, so that the cantilevers of parts such as a flywheel and the like at the power output end of the engine are too long relative to a main bearing seat at the near end, the conditions that the flywheel works unstably, the whole engine vibrates excessively and finally the engine cannot work normally are easily caused, therefore, the traditional main bearing structure cannot meet the design requirements of the high power of the engine and the rear structure of the gear chamber, the crankshaft rear oil seal seat can play a sealing effect by being matched with a sealing gasket, and the sealing gasket is used for machinery and equipment, The pipeline is a sealing spare part used in places with fluid, the inner part and the outer part are used, materials with sealing function are used, gasket sealing plays an important role in modern industrial enterprises, the sealing performance is directly related to the continuity of production, property safety, energy conservation, environmental protection and physical and mental health of people, so the development of gaskets is more and more emphasized by people, along with the rising of modern industries, particularly modern petroleum, chemical industry, atomic energy industry and large power stations, pressure vessels develop towards high temperature, high pressure, high vacuum, deep cooling, large-scale and multi-series directions, new requirements for gasket sealing are provided, novel structures of various novel materials are continuously appeared, the sealing performance is also in a great variety, in addition, the fluctuation of pressure, the change of temperature, the relaxation of bolt pretightening force, the inclination and dislocation of flanges, the defects of sealing surfaces and the corrosion of media can greatly influence the sealing effect, therefore, how to correctly select a proper sealing gasket according to the working condition and how to correctly install the sealing gasket is the key point for ensuring the sealing effect.
But present bent axle rear oil seal seat, the oil leak that produces easily when sealed relatively poor installation of effect, also be convenient for during the installation moreover the staff install the change to it is more troublesome to make whole device installation, so now urgently needs a bent axle rear oil seal seat based on improve the structure.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a crankshaft rear oil seal seat based on an improved structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a bent axle rear oil seal seat based on improve structure, includes bent axle rear oil seal seat, the fixed surface of bent axle rear oil seal seat installs a plurality of thread fixing block, the left end of bent axle rear oil seal seat is provided with the sealed pad of oil seal seat, the sealed shape of filling up of oil seal seat is the same with the frame shape of oil seal seat, the right-hand member fixed mounting of bent axle rear oil seal seat has the fixed subassembly of oil seal, the left end fixed mounting of bent axle rear oil seal seat has sealed fixed subassembly.
Preferably, the oil seal fixing component comprises an oil seal mounting ring, an annular groove is formed in the right end of the oil seal mounting ring, an oil seal ring is fixedly mounted inside the annular groove, a threaded mounting pipe communicated with the inner cavity is fixedly mounted on the outer surface of the oil seal mounting ring, and an oil seal storage tank is connected to the inner thread of the threaded mounting pipe in a threaded manner.
Preferably, the sealing and fixing assembly comprises a sealing and fixing ring, a sealing partition cylinder is fixedly mounted inside the sealing and fixing ring, a placing groove is formed in the left end of the sealing and fixing ring, and a sealing ring is fixedly mounted inside the placing groove.
Preferably, the oil seal mounting ring is fixedly mounted at the right end of the crankshaft rear oil seal seat, and the inner diameter of the oil seal mounting ring is the same as that of a round hole in the crankshaft rear oil seal seat.
Preferably, the sealing fixing ring is fixedly installed at the left end of the crankshaft rear oil seal seat, and the inner diameter of the sealing partition cylinder is the same as that of the oil seal installation ring.
Preferably, the left end of the sealing gasket of the oil seal seat is provided with a round hole which is communicated from left to right and corresponds to the position of the threaded fixing block one by one.
The invention provides a crankshaft rear oil seal seat based on an improved structure, which has the beneficial effects that:
according to the invention, through the arrangement of the sealing fixing component and the oil sealing fixing component, no gap is generated when the oil sealing ring is immersed in the sealing oil, so that the part is not unbalanced in the installation process due to fluffy oil sealing ring, and the oil leakage of the oil sealing seat behind the crankshaft is caused, and the sealing partition cylinder can prevent most of the oil from entering the outside of the sealing partition cylinder after the installation, and the sealing ring can improve the sealing property of the oil sealing seat behind the crankshaft, and the oil sealing gasket of the oil sealing seat can prevent the oil leakage of the oil sealing seat behind the crankshaft again, so that the sealing property of the oil sealing seat behind the crankshaft can be improved, and the oil sealing seat behind the crankshaft is convenient for installation and replacement by maintenance personnel, and the whole device is more practical.
Drawings
FIG. 1 is a schematic structural diagram of a rear oil seal seat of a crankshaft based on an improved structure, which is provided by the invention;
FIG. 2 is a side view of a rear oil seal seat of a crankshaft based on an improved structure, which is provided by the invention;
FIG. 3 is a schematic view of a connection structure of a rear oil seal seat of a crankshaft based on an improved structure, which is provided by the invention;
FIG. 4 is a schematic structural diagram of an oil seal mounting ring in a rear oil seal seat of a crankshaft based on an improved structure, which is provided by the invention;
fig. 5 is a schematic structural diagram of a sealing and fixing assembly in a rear oil seal seat of a crankshaft based on an improved structure.
In the figure: 1. a crankshaft rear oil seal seat; 2. a sealing gasket of the oil seal seat; 3. a thread fixing block; 4. a seal fixing assembly; 41. sealing the fixed ring; 42. a placement groove; 43. sealing the separating cylinder; 44. a seal ring; 5. an oil seal fixing component; 51. an oil seal mounting ring; 52. an annular groove; 53. an oil seal ring; 54. installing a pipe in a threaded manner; 55. and sealing the oil storage tank.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, a crankshaft rear oil seal seat based on an improved structure comprises a crankshaft rear oil seal seat 1, a plurality of thread fixing blocks 3 are fixedly installed on the outer surface of the crankshaft rear oil seal seat 1, an oil seal seat sealing gasket 2 is arranged at the left end of the crankshaft rear oil seal seat 1, the shape of the oil seal seat sealing gasket 2 is the same as that of the outer frame of the oil seal seat 1, an oil seal fixing component 5 is fixedly installed at the right end of the crankshaft rear oil seal seat 1, a seal fixing component 4 is fixedly installed at the left end of the crankshaft rear oil seal seat 1, when the oil seal seat sealing gasket 2 is installed, oil is soaked in oil for half an hour, oil enters the oil seal seat sealing gasket 2, so that oil leakage caused by unbalanced installation is avoided in the installation process, and a large amount of air is generated inside the oil seal seat sealing gasket 2 without soaking, so that the installation position of the crankshaft rear oil seal seat 1 is unbalanced, thereby causing oil leakage, the installed crankshaft rear oil seal seat 1 should be subjected to gap detection, and whether the gaps between the installed crankshaft rear oil seal seats 1 are equidistant is measured, so that the installed crankshaft rear oil seal seat 1 cannot cause oil leakage due to inclination, the reason for oil leakage of the crankshaft rear oil seal seat 1 is that the oil seal of the engine is loosened and even falls off after the engine is used for a period of time because the crankshaft oil seal does not use non-petroleum-based lubricant in the press mounting process, the parallelism of the press mounting surface of the rear oil seal to the mounting surface of the rear oil seal seat does not meet the technical requirements of assembly drawings, make back oil blanket lip atress warp inhomogeneous, the oil blanket lip warp or even whole oil blanket distortion after the engine uses a period, causes the oil blanket to damage and leaks machine oil, and engine service life is longer, and back oil blanket natural ageing lip department produces the crackle and leads to leaking machine oil, and the user should in time inspect and maintain the change.
The oil seal fixing component 5 comprises an oil seal mounting ring 51, an annular groove 52 is formed in the right end of the oil seal mounting ring 51, an oil seal ring 53 is fixedly mounted inside the annular groove 52, a thread mounting pipe 54 communicated with an inner cavity is fixedly mounted on the outer surface of the oil seal mounting ring 51, the thread mounting pipe 54 is connected with an oil seal storage tank 55 through internal threads, seal oil is poured into the oil seal storage tank 55, the oil seal storage tank 55 full of seal oil is fixedly mounted inside the thread mounting pipe 54, the oil seal ring 53 is extruded when a part connected with the crankshaft rear oil seal seat 1 is mounted, the oil seal ring 53 is immersed in the seal oil and cannot generate gaps, the part which cannot be mounted in the mounting process is unbalanced in part installation caused by fluffy oil seal ring 53, and the oil seal seat 1 leaks oil after the crankshaft.
The right-hand member at bent axle rear oil seal seat 1 is installed to oil seal collar 51 fixed mounting, and oil seal collar 51 internal diameter is the same with the internal diameter size of the inside round hole of bent axle rear oil seal seat 1 for can not hinder the normal installation use of the device that needs the installation when the installation.
Sealed fixed subassembly 4 includes sealed solid fixed ring 41, the inside fixed mounting of sealed solid fixed ring 41 has sealed a section of thick bamboo 43 that separates, standing groove 42 has been seted up to sealed solid fixed ring 41's left end, the inside fixed mounting of standing groove 42 has sealing washer 44, sealed a section of thick bamboo 43 that separates can the installation back separation most part the oil enter into the outside sealed a section of thick bamboo 43 that separates, and sealing washer 44 can improve the leakproofness of oil seal seat 1 behind the bent axle, oil seal seat is sealed 2 can separate bent axle back oil seal seat 1 oil leak once more.
The sealing fixing ring 41 is fixedly arranged at the left end of the crankshaft rear oil seal seat 1, the inner diameter of the sealing partition cylinder 43 is the same as that of the oil seal mounting ring 51, the sealing partition cylinder 43 can prevent most of oil from entering the outside of the sealing partition cylinder 43 after being mounted, the sealing ring 44 mounted inside the sealing fixing ring 41 is made of rubber materials, chloroprene can be used as a main raw material and is formed by homopolymerization or copolymerization of a small amount of other monomers, and the sealing ring is high in tensile strength, excellent in heat resistance, light resistance and aging resistance, superior to natural rubber, styrene butadiene rubber and butadiene rubber in oil resistance, high in flame resistance and excellent in flame retardance, high in chemical stability and good in water resistance.
The left end of the sealing gasket 2 of the oil seal seat is provided with round holes which are communicated left and right and correspond to the positions of the thread fixing blocks 3 one by one, the sealing gasket 2 of the oil seal seat is a sealing spare part used for machines, equipment or pipelines as long as the places have fluid, the sealing gasket is made of materials with the sealing function of the inner part and the outer part, the sealing gasket is made of metal or nonmetal plate-shaped materials through processes of cutting, stamping, cutting and the like, is used for sealing connection between machine parts and machine parts of sealed connection machine equipment among pipelines, the sealing gasket can be divided into a metal sealing gasket and a nonmetal sealing gasket according to the materials, the metal sealing gasket comprises a copper gasket, a stainless steel gasket, an iron gasket, an aluminum gasket and the like, the nonmetal sealing gasket comprises an asbestos gasket, a non-asbestos gasket, a paper gasket, a rubber gasket and the like, the sealing glue coated when the sealing gasket 2 of the oil seal seat is installed is matched for use, and the coated sealing glue adopts the excellent oil resistance, The vulcanized silicone resin adhesive is water-resistant and weather-resistant, keeps excellent sealing performance and thixotropy at the temperature of 60-260 ℃, does not flow, seals flange joint surfaces of parts such as engines, gear boxes, axles and the like of automobiles, motorcycles and various mechanical equipment, and is widely used for sealing and leakage prevention of various parts of machinery.
The working principle is as follows: when the invention is used, when a user installs the crankshaft rear oil seal seat 1 again, firstly, sealant is coated at the left end of the crankshaft rear oil seal seat 1, then the oil seal seat sealing gasket 2 is aligned with the crankshaft rear oil seal seat 1, then the user fixedly installs the sealing ring 44 in the placing groove 42, then the user installs the oil seal ring 53 in the annular groove 52, then sealing oil is poured into the oil seal storage tank 55, the oil seal storage tank 55 fully filled with the sealing oil is fixedly installed in the threaded installation pipe 54, the oil seal ring 53 is pressed when installing the parts connected with the crankshaft rear oil seal seat 1, the oil seal ring 53 is immersed in the sealing oil, no gap is generated, so that the parts which are not caused in the installation process are unbalanced because the oil seal ring 53 is fluffy, thereby causing the oil leakage of the crankshaft rear oil seal seat 1, and the seal partition barrel 43 can prevent most of the oil from entering the outside of the seal partition barrel 43 after installation, the sealing ring 44 can improve the sealing performance of the crankshaft rear oil seal seat 1, and the oil seal seat sealing gasket 2 can prevent oil leakage of the crankshaft rear oil seal seat 1 again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an oil blanket seat behind bent axle based on improve structure, includes oil blanket seat (1) behind the bent axle, its characterized in that: the utility model discloses a bent axle rear oil seal seat (1) is characterized in that the outer fixed surface of bent axle rear oil seal seat installs a plurality of thread fixing block (3), the left end of bent axle rear oil seal seat (1) is provided with the sealed pad of oil seal seat (2), the shape that the sealed pad of oil seal seat (2) is the same with the frame shape of oil seal seat (1), the right-hand member fixed mounting of bent axle rear oil seal seat (1) has sealed fixed subassembly (5), the left end fixed mounting of bent axle rear oil seal seat (1) has sealed fixed subassembly (4).
2. The crankshaft rear oil seal seat based on the improved structure as claimed in claim 1, is characterized in that: the oil sealing fixing component (5) comprises an oil sealing mounting ring (51), an annular groove (52) is formed in the right end of the oil sealing mounting ring (51), an oil sealing ring (53) is fixedly mounted inside the annular groove (52), a threaded mounting pipe (54) communicated with an inner cavity is fixedly mounted on the outer surface of the oil sealing mounting ring (51), and an oil sealing storage tank (55) is connected to the inner thread of the threaded mounting pipe (54).
3. The crankshaft rear oil seal seat based on the improved structure as claimed in claim 1, is characterized in that: the sealing and fixing assembly (4) comprises a sealing and fixing ring (41), a sealing partition tube (43) is fixedly mounted inside the sealing and fixing ring (41), a placing groove (42) is formed in the left end of the sealing and fixing ring (41), and a sealing ring (44) is fixedly mounted inside the placing groove (42).
4. The crankshaft rear oil seal seat based on the improved structure as claimed in claim 2, is characterized in that: the oil seal mounting ring (51) is fixedly mounted at the right end of the crankshaft rear oil seal seat (1), and the inner diameter of the oil seal mounting ring (51) is the same as that of a round hole in the crankshaft rear oil seal seat (1).
5. The crankshaft rear oil seal seat based on the improved structure is characterized in that: the left end of fixed ring (41) fixed mounting oil seal seat (1) behind the bent axle, the internal diameter of sealed partition section of thick bamboo (43) is the same with the internal diameter size of oil seal collar (51).
6. The crankshaft rear oil seal seat based on the improved structure as claimed in claim 1, is characterized in that: the left end of the sealing gasket (2) of the oil seal seat is provided with round holes which are communicated left and right and are in one-to-one correspondence with the positions of the thread fixing blocks (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110719741.5A CN113757373A (en) | 2021-06-28 | 2021-06-28 | Crankshaft rear oil seal seat based on improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110719741.5A CN113757373A (en) | 2021-06-28 | 2021-06-28 | Crankshaft rear oil seal seat based on improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113757373A true CN113757373A (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110719741.5A Pending CN113757373A (en) | 2021-06-28 | 2021-06-28 | Crankshaft rear oil seal seat based on improved structure |
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| CN (1) | CN113757373A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568158U (en) * | 2009-11-17 | 2010-09-01 | 浙江吉利汽车研究院有限公司 | Shaft end sealing structure of engine crankshaft |
| JP2017214994A (en) * | 2016-06-01 | 2017-12-07 | Nok株式会社 | Sealing structure using annular pocket and sealing device, and sealing structure using torsional damper and oil seal |
| CN110529282A (en) * | 2019-08-27 | 2019-12-03 | 安徽全柴动力股份有限公司 | A kind of crankshaft after oil seal seat |
| CN210661352U (en) * | 2019-06-29 | 2020-06-02 | 潍柴动力股份有限公司 | Oil seal seat assembly and engine with same |
| CN111237081A (en) * | 2020-03-04 | 2020-06-05 | 广西玉柴机器股份有限公司 | Crankshaft rear oil seal seat structure |
| CN112343729A (en) * | 2020-11-19 | 2021-02-09 | 浙江吉利控股集团有限公司 | Crankshaft oil seal assembly, crankcase and vehicle |
-
2021
- 2021-06-28 CN CN202110719741.5A patent/CN113757373A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568158U (en) * | 2009-11-17 | 2010-09-01 | 浙江吉利汽车研究院有限公司 | Shaft end sealing structure of engine crankshaft |
| JP2017214994A (en) * | 2016-06-01 | 2017-12-07 | Nok株式会社 | Sealing structure using annular pocket and sealing device, and sealing structure using torsional damper and oil seal |
| CN210661352U (en) * | 2019-06-29 | 2020-06-02 | 潍柴动力股份有限公司 | Oil seal seat assembly and engine with same |
| CN110529282A (en) * | 2019-08-27 | 2019-12-03 | 安徽全柴动力股份有限公司 | A kind of crankshaft after oil seal seat |
| CN111237081A (en) * | 2020-03-04 | 2020-06-05 | 广西玉柴机器股份有限公司 | Crankshaft rear oil seal seat structure |
| CN112343729A (en) * | 2020-11-19 | 2021-02-09 | 浙江吉利控股集团有限公司 | Crankshaft oil seal assembly, crankcase and vehicle |
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