CN120557269A - A highly sealed and long-life automobile wheel hub bearing - Google Patents
A highly sealed and long-life automobile wheel hub bearingInfo
- Publication number
- CN120557269A CN120557269A CN202511056775.5A CN202511056775A CN120557269A CN 120557269 A CN120557269 A CN 120557269A CN 202511056775 A CN202511056775 A CN 202511056775A CN 120557269 A CN120557269 A CN 120557269A
- Authority
- CN
- China
- Prior art keywords
- sealing
- colloid
- oil
- ring body
- sealing colloid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2380/00—Bearings
- B60B2380/10—Type
- B60B2380/12—Ball bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明公开了一种高密封长寿命的汽车轮毂轴承，属于轴承技术领域，本发明包括固定安装于轴上的内圈体，所述内圈体的外侧设置有外圈体，且内圈体和外圈体两者之间设置有滚珠，并且滚珠的外侧通过保持架定位；所述内圈体、外圈体的两侧开设有预设孔，且预设孔的内侧固定安装有通过热量驱动来实现自动补油的储油组件，所述内圈体的两端固定安装有密封片，且密封片的外侧固定粘接有用来油液调节输送的第一密封胶体，并且外圈体的两端固定安装有第二密封胶体。该高密封长寿命的汽车轮毂轴承可以在车辆行驶和停止时采用不同的密封方式，有效提高轴承处的密封防尘效果，且可以在使用过程中进行油液的自适应添加。
The present invention discloses a highly sealed, long-life automotive wheel hub bearing, belonging to the technical field of bearings. The invention comprises an inner ring fixedly mounted on a shaft, an outer ring disposed outside the inner ring, and balls disposed between the inner and outer rings, with the outer sides of the balls positioned by a retaining frame. Pre-set holes are formed on both sides of the inner and outer rings, and an oil reservoir assembly that automatically replenishes oil via heat is fixedly mounted inside the holes. Sealing plates are fixedly mounted at both ends of the inner ring, and a first sealing colloid for regulating and delivering oil is fixedly bonded to the outer sides of the sealing plates. A second sealing colloid is fixedly mounted at both ends of the outer ring. This highly sealed, long-life automotive wheel hub bearing can employ different sealing methods when the vehicle is moving and when it is stopped, effectively improving the sealing and dustproofing effectiveness of the bearing, and allows for adaptive oil addition during use.
Description
Technical Field
The invention relates to the technical field of bearings, in particular to a high-sealing long-service-life automobile hub bearing.
Background
Automobile hub bearings are one of the key components of an automobile, and are mainly used for carrying weight and providing accurate guidance for rotation of a hub.
The prior art (China patent with application number of 202221066116.1 and application date of 2022-05-06) discloses an automobile hub bearing with good sealing and dust-proof performances, which comprises a bearing outer ring and a bearing inner ring, wherein the inner surface of the bearing outer ring is rotationally connected with a bearing assembly, the inner part of the bearing assembly is rotationally connected with the bearing inner ring, one end of the bearing outer ring is fixedly connected with a sealing sleeve through threads, the sealing sleeve is internally and rotationally connected with a sealing device, the sealing device is in abutting connection with the bearing inner ring, and the sealing device comprises a fixed block, a protection gasket, a rotating groove, a ball fixing frame and rolling balls. The automobile hub bearing with long service life is disclosed in the prior art (application number: 202221470606.8, chinese patent with application day of 2022-06-13), and comprises a main shaft, wherein a hub flange is fixedly arranged at one end of the main shaft, the outer side of the main shaft is of an inverted cone structure, rollers are uniformly rotatably arranged at the outer side of the main shaft, an oil storage groove of an annular structure is formed between the rollers, an outer ring is sleeved at the outer side of the main shaft, the inner side of the outer ring is in contact with the rollers, a sealing ring is sleeved at one end of the main shaft, one side of the sealing ring is tightly pressed with one side of the outer ring, and the bearing capacity of the outer ring and the main shaft is improved when the main shaft are in use by adopting the obliquely-arranged rollers and the vertically-arranged balls.
The existing sealing device of the automobile hub bearing can realize a certain sealing effect in the use process, but is easy to wear in the rotation process, so that the sealing device is unfavorable for realizing a long-term sealing effect, cannot be used for fully sealing and preventing dust when a vehicle runs and stops, and has certain use defects.
Disclosure of Invention
The invention aims to provide a high-sealing long-life automobile hub bearing, which aims to solve the problems that the sealing device of the automobile hub bearing in the current market, which is proposed by the background technology, can realize a certain sealing effect in the use process, but is easy to wear in the rotation process so as to be unfavorable for realizing a long-term sealing effect, and thus the sealing device cannot be used for fully sealing and preventing dust when a vehicle runs and stops.
The automobile hub bearing comprises an inner ring body fixedly arranged on a shaft, wherein an outer ring body is arranged on the outer side of the inner ring body, balls are arranged between the inner ring body and the outer ring body, the outer sides of the balls are positioned through a retainer, and meanwhile, the inner ring body and the outer ring body are of an oil-containing porous bearing structure;
The two sides of the inner ring body and the outer ring body are provided with preset holes, the inner sides of the preset holes are fixedly provided with oil storage components which are driven by heat to realize automatic oil supplementing, the two ends of the inner ring body are fixedly provided with sealing sheets, the outer sides of the sealing sheets are fixedly adhered with first sealing colloid for regulating and conveying oil, and the both ends fixed mounting of outer lane body has the second seal colloid, still is provided with laminating portion and the collecting part that are used for improving face leakproofness simultaneously on the first seal colloid, the outside of first seal colloid is evenly fixed with the gluey piece.
Preferably, the oil storage assembly comprises a fixed cylinder which is embedded and fixedly installed at the inner side of the preset hole, a movable cylinder is sleeved at the inner side of the fixed cylinder, one end of a cylinder opening of the fixed cylinder is connected with a sealing screw in a threaded manner, and meanwhile lubricating oil is pre-filled at the inner side of the movable cylinder.
Preferably, a memory metal strip is fixedly connected between the outer ends of the fixed cylinder and the movable cylinder, the memory metal strip is arranged in a bending mode, and the memory metal strip deforms under the action of heat to push the movable cylinder to rotate.
Preferably, oil seepage holes are uniformly formed in the fixed cylinder and the movable cylinder, the initial positions of the oil seepage holes in the fixed cylinder and the movable cylinder are staggered, the fixed cylinder and the movable cylinder are gradually communicated with the oil seepage holes in the fixed cylinder in the rotating process of the movable cylinder, and meanwhile oil in the inner side of the movable cylinder is conveyed through the porous structures on the inner ring body and the outer ring body.
Preferably, the sealing screw is located the inboard one end fixedly connected with spring of fixed cylinder, and the other end fixedly connected with rotation piece of spring to the outside rotation of rotation piece is installed and is pushed the ring, pushes the ring simultaneously and seals the laminating in the inner wall of movable cylinder, and the inboard of pushing the ring evenly fixed mounting has the sealed film of laminating each other moreover, the inner wall fixed mounting of pushing the ring has the restriction frame, and the restriction frame restricts the direction of rotation of sealed film.
Preferably, the inner side of the first sealing colloid is of a cavity structure, the outer wall of the first sealing colloid is uniformly and integrally provided with a rubber block, the outer wall of the rubber block is of an inclined surface structure, and meanwhile the rubber block deforms at the outer side of the first sealing colloid pushed by the action of air pressure in the rotation process of the first sealing colloid so as to compress the cavity of the inner side of the first sealing colloid.
Preferably, the section of second seal colloid is the arc structure setting, and the section of first seal colloid near the lateral wall of second seal colloid is the arc structure setting to first seal colloid and second seal colloid both cambered surface positions agree with, laminating portion is annular structure setting, and laminating in the sealed colloid of second under laminating portion initial condition realizes sealedly, and drive laminating portion breaks away from the sealed colloid of second when first seal colloid outside deformation in order to reduce frictional force.
Preferably, the outer arc wall of the first sealing colloid is provided with an oil drain hole with an annular structure, the inner side of the first sealing colloid is integrally provided with a first rubber sheet, the first rubber sheet is attached to the oil drain hole, and meanwhile, the first sealing colloid extracts redundant oil liquid on the inner side of the outer ring body through the oil drain hole when being elastically restored.
Preferably, the oil drain hole is evenly arranged on one side of the first sealing colloid, which faces the second sealing colloid, the second rubber sheet is evenly and integrally arranged on the outer side of the first sealing colloid, the second rubber sheet covers the outer side of the oil drain hole to seal the first sealing colloid, and meanwhile, the first sealing colloid is discharged to the outer side of the collecting part through the oil drain hole when being deformed, lubricating oil is pre-stored on the inner side of the first sealing colloid, and the liquid level of the lubricating oil on the inner side of the first sealing colloid is higher than the oil drain hole at the lowest side.
Compared with the prior art, the high-sealing long-life automobile hub bearing has the advantages that different sealing modes can be adopted when a vehicle runs and stops, the sealing dustproof effect at the bearing can be effectively improved, and the self-adaptive addition of oil can be carried out in the using process, and the specific contents are as follows;
1. Be provided with fixed section of thick bamboo, movable section of thick bamboo and memory metal strip, when bearing operation in-process lubricating oil lacks and is insufficient for carrying out normal lubrication operation, the bearing inboard can lead to the temperature to rise because of the friction, memory metal strip can deform under the effect of heat this moment, thereby the inboard movable section of thick bamboo of drive fixed section of thick bamboo rotates, make the oil seepage hole on both fixed section of thick bamboo, the movable section of thick bamboo coincide gradually, the push ring can remove under the spring force effect simultaneously, realize the pressurization to the fluid, make lubricating oil can permeate, carry through the porous structure on inner circle body, the outer lane body, realize automatic oiling.
2. Be provided with first sealed colloid, second sealed colloid and laminating portion, the arc portion that corresponds through first sealed colloid, second sealed colloid both sets up can reduce the inboard probability of dust entering bearing, laminating portion laminating in first sealed colloid when the vehicle stops the operation simultaneously for can fully seal between the inner circle body, the outer lane body between the two, and when the first sealed colloid of inner circle body drive rotates in the vehicle driving process, can make first sealed colloid carry out elastic deformation under the glue piece drive, thereby impel laminating portion break away from the second sealed colloid, avoid first sealed colloid, the second sealed colloid to produce wearing and tearing between the two.
3. Be provided with collecting part, oil drain hole and oil drain hole, along with the rotation and the deformation of first sealed colloid, it can be through the oil drain hole with the lubrication fluid that its inboard prestored discharge for fluid is deposited in the collecting part outside, simultaneously along with rotatory centrifugal action, can make fluid form oil film structure between second sealed colloid and collecting part, make certain sealed dust-proof structure of formation between second sealed colloid and the collecting part, guaranteed the sealed effect of vehicle in-process bearing, and when first sealed colloid is recovered, it can be through drawing too much fluid in the automatic extraction bearing of oil drain hole, avoid too much and increase heat production of fluid.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic view of the ball and cage mounting structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic cross-sectional view of a stationary barrel of the present invention;
FIG. 6 is a schematic cross-sectional view of a stationary barrel and a movable barrel of the present invention;
FIG. 7 is a schematic view of the connection structure of the push ring and sealing film of the present invention;
FIG. 8 is a schematic perspective view of a first encapsulant according to the present invention;
Fig. 9 is an enlarged view of the structure of fig. 8B according to the present invention.
The device comprises a first sealing colloid, a second sealing colloid, a bonding part, a 19, a collecting part, a 20, a glue block, a 21, an oil drain hole, a 22, an oil drain hole, a 23, a first film, a 24 and a second film, wherein the first sealing colloid comprises a first inner ring body, a second outer ring body, a3, a ball, a 4, a retainer, a 5, a preset hole, a 6, a fixed cylinder, a 7, a movable cylinder, a 8, an oil drain hole, a 9, a memory metal strip, a 10, a sealing screw, a 11, a spring, a 12, a rotating part, a 13, a pushing ring, a 1301, a limiting frame, a 14, a sealing film, a 15, a sealing sheet, a 16 and a first sealing colloid.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problem, the embodiment discloses an oil storage component which is driven by heat to realize automatic oil supplementing, the oil storage component comprises a fixed cylinder 6 which is fixedly arranged at the inner side of the preset hole 5, a movable cylinder 7 is sleeved at the inner side of the fixed cylinder 6, one end of a cylinder port of the fixed cylinder 6 is in threaded connection with an outer ring body 2, balls 3 are arranged between the inner ring body 1 and the outer ring body 2, the outer sides of the balls 3 are positioned through a retainer 4, meanwhile, the inner ring body 1 and the outer ring body 2 are of an oil-containing porous bearing structure, preset holes 5 are formed in two sides of the inner ring body 1 and the outer ring body 2, the inner side of the preset holes 5 is fixedly provided with an oil storage component which is driven by heat to realize automatic oil supplementing, the oil storage component comprises a fixed cylinder 6 which is fixedly arranged at the inner side of the preset holes 5, the inner side of the fixed cylinder 6 is sleeved with a movable cylinder 7, one end of a cylinder port of the fixed cylinder 6 is in threaded connection with a sealing screw 10, and a memory bar 9 is in a movable shape and is in contact with the inner side of the fixed cylinder 7, and a memory bar 9 is in a movable shape and is in a movable shape, and is in a deformed and is in a movable shape, and a memory bar 9 is in a movable shape, and a memory bar is in a movable shape is deformed.
The oil seepage holes 8 are uniformly formed in the fixed cylinder 6 and the movable cylinder 7, the initial positions of the oil seepage holes 8 in the fixed cylinder 6 and the movable cylinder 7 are staggered, the oil seepage holes 8 in the fixed cylinder 6 are gradually communicated with each other in the rotating process of the movable cylinder 7, meanwhile, oil in the inner side of the movable cylinder 7 is conveyed through the porous structures on the inner ring body 1 and the outer ring body 2, one end of the sealing screw 10, which is positioned in the inner side of the fixed cylinder 6, is fixedly connected with the spring 11, the other end of the spring 11 is fixedly connected with the rotating piece 12, the outer side of the rotating piece 12 is rotatably provided with the push ring 13, the inner side of the push ring 13 is fixedly provided with sealing films 14 which are mutually attached and sealed, the inner wall of the push ring 13 is fixedly provided with the limiting frame 1301, and the limiting frame 1301 limits the rotating direction of the sealing films 14.
When the vehicle runs, the inner ring body 1 rotates at a high speed, when oil liquid at the inner side of the bearing is lost, the working temperature of the bearing can be gradually increased, the memory metal strip 9 can be subjected to the temperature effect to find deformation, the memory metal strip 9 can drive the movable cylinder 7 at the inner side of the fixed cylinder 6 to rotate in the deformation process, the oil seepage holes 8 on the fixed cylinder 6 and the movable cylinder 7 are gradually overlapped, so that the oil liquid can contact the inner ring body 1 and the outer ring body 2 through the oil seepage holes 8, and further the inner ring body 1 and the outer ring body 2 are permeated and conveyed through the porous structures, and meanwhile the push ring 13 and the sealing film 14 can slide along the inner side of the movable cylinder 7 under the elastic force of the spring 11, so that the lubricating oil liquid is pressurized, the permeation of the oil liquid can be accelerated, when the oil liquid filling is completed, and the working temperature of the bearing is gradually reduced, the memory metal strip 9 can be restored, the movable cylinder 7 is pulled to reset and rotate, and the oil seepage holes 8 on the fixed cylinder 6 and the movable cylinder 7 are staggered and plugged with each other, so that the service life of the automobile hub is effectively prolonged.
Embodiment two: the technical content disclosed in the embodiment is further improved based on the first embodiment, and in order to further solve the technical problem, the embodiment discloses the following technical content, as shown in fig. 3-4 and 8-9, when the existing automobile hub bearing is used, the sealing cover cannot be fully attached and sealed or is easy to wear and cannot be fully dustproof; the two ends of the inner ring body 1 are fixedly provided with sealing sheets 15, the outer sides of the sealing sheets 15 are fixedly adhered with first sealing colloid 16 used for oil liquid regulation and transportation, the two ends of the outer ring body 2 are fixedly provided with second sealing colloid 17, meanwhile, the first sealing colloid 16 is also provided with a jointing part 18 and a collecting part 19 used for improving the surface tightness, the outer sides of the first sealing colloid 16 are uniformly fixed with colloid blocks 20, the inner sides of the first sealing colloid 16 are of cavity structures, the outer walls of the first sealing colloid 16 are uniformly and integrally provided with colloid blocks 20, the outer walls of the colloid blocks 20 are of inclined structures, the outer sides of the first sealing colloid 16 are pushed by the colloid blocks 20 to deform under the action of air pressure in the rotation process of the first sealing colloid 16, so that the inner side cavity of the first sealing colloid 16 is compressed, the section of the second sealing colloid 17 is of arc-shaped structure, the section of the side wall of the first sealing colloid 16 close to the second sealing colloid 17 is of arc-shaped structure, the arc-shaped positions of the first sealing colloid 16 and the second sealing colloid 17 are mutually matched, the arc-shaped positions of the first sealing colloid 16 are of ring-shaped structure, the jointing part 18 is of annular structure, the first sealing colloid 18 is in an initial state, the joint part 18 is jointed to the second sealing colloid 17, and the outer sides of the first sealing colloid 17 are driven to deform under the action of reducing friction force when the first sealing colloid 17 is separated from the outer side of the first sealing colloid 16, the oil drain hole 22 with an annular structure is formed in the outer arc wall of the first sealing colloid 16, the first rubber sheet 23 is integrally arranged on the inner side of the first sealing colloid 16, the first rubber sheet 23 is covered on the oil drain hole 22 in a fitting mode, meanwhile, redundant oil on the inner side of the outer ring body 2 is extracted through the oil drain hole 22 when the first sealing colloid 16 is elastically restored, the oil drain hole 21 is uniformly formed in one side, facing the second sealing colloid 17, of the first sealing colloid 16, the second rubber sheet 24 is uniformly integrally arranged on the outer side of the first sealing colloid 16, the second rubber sheet 24 is covered on the outer side of the oil drain hole 21 to seal the first sealing colloid, meanwhile, the first sealing colloid 16 is deformed and is discharged to the outer side of the collecting part 19 through the oil drain hole 21, lubricating oil is pre-stored on the inner side of the first sealing colloid 16, and the liquid level of the lubricating oil on the inner side of the first sealing colloid 16 is higher than the oil drain hole 21 at the lowest position.
When the vehicle is parked, laminating portion 18 laminating is in second seal colloid 17, thereby make first seal colloid 16, second seal colloid 17, laminating portion 18 three can carry out abundant static seal between inner circle body 1, outer lane body 2, avoid impurity such as external dust to get into the bearing inside and aggravate wearing and tearing, and when the vehicle is going, inner circle body 1 can drive first seal colloid 16 through sealing fin 15 and carry out high-speed rotation, the offset 20 in the first seal colloid 16 outside can promote first seal colloid 16 under the atmospheric pressure effect and carry out elastic deformation this moment, thereby make the cavity of first seal colloid 16 inside take place deformation, this moment first seal colloid 16 can be through the oil drain hole 21 to collecting part 19 discharge lubricating oil, simultaneously along with the high-speed rotation of first seal colloid 16 and collecting part 19, can form the oil film dust blocking structure because of lubricating oil between the two, simultaneously cooperate first seal colloid 16, the corresponding bending structure that sets up on second seal colloid 17 can further improve the dynamic dust prevention inboard of bearing department in the vehicle running process, and when the vehicle stops, and first seal colloid 16 can carry out elastic deformation, thereby make first seal colloid 16 can carry out elastic deformation under the atmospheric pressure effect, thereby make first seal colloid 16 carry out the automatic heat recovery, the excessive drain hole 22 through the oil drain hole 21, the unnecessary heat is avoided and the second drain hole 22 is avoided, the excessive to carry out the drain hole is more than the drain hole to the drain hole is avoided to the heat to the second seal film 22, the drain heat is more than the drain hole is more than the film through the drain hole 21, and the drain hole is more than the film through the oil hole is avoided.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (9)
1. The automobile hub bearing with high sealing performance and long service life comprises an inner ring body (1) fixedly installed on a shaft, an outer ring body (2) is arranged on the outer side of the inner ring body (1), balls (3) are arranged between the inner ring body (1) and the outer ring body (2), the outer sides of the balls (3) are positioned through a retainer (4), and meanwhile, the inner ring body (1) and the outer ring body (2) are of an oil-containing porous bearing structure;
The oil storage device is characterized in that preset holes (5) are formed in two sides of the inner ring body (1) and the outer ring body (2), an oil storage component for realizing automatic oil supplement through heat driving is fixedly arranged on the inner side of the preset holes (5), sealing sheets (15) are fixedly arranged at two ends of the inner ring body (1), first sealing colloid (16) used for oil regulation and transportation are fixedly adhered to the outer sides of the sealing sheets (15), second sealing colloid (17) is fixedly arranged at two ends of the outer ring body (2), and meanwhile an attaching part (18) and a collecting part (19) used for improving surface tightness are further arranged on the first sealing colloid (16), and glue blocks (20) are uniformly fixed on the outer sides of the first sealing colloid (16).
2. The high-sealing long-life automobile hub bearing of claim 1, wherein the oil storage component comprises a fixed cylinder (6) which is embedded and fixedly installed inside a preset hole (5), a movable cylinder (7) is sleeved on the inner side of the fixed cylinder (6), one end of a cylinder opening of the fixed cylinder (6) is connected with a sealing screw (10) in a threaded manner, and meanwhile, lubricating oil is pre-filled on the inner side of the movable cylinder (7).
3. The automobile hub bearing with high sealing performance and long service life of claim 2, wherein a memory metal strip (9) is fixedly connected between the outer ends of the fixed cylinder (6) and the movable cylinder (7), the memory metal strip (9) is arranged in a bending mode, and the memory metal strip (9) deforms under the action of heat to push the movable cylinder (7) to rotate.
4. The automobile hub bearing with high sealing and long service life according to claim 3, wherein oil seepage holes (8) are uniformly formed in the fixed cylinder (6) and the movable cylinder (7), initial positions of the oil seepage holes (8) in the fixed cylinder (6) and the movable cylinder (7) are staggered, the movable cylinder (7) is gradually communicated with the oil seepage holes (8) in the fixed cylinder (6) in the rotating process, and meanwhile oil in the inner side of the movable cylinder (7) is conveyed through the porous structures in the inner ring body (1) and the outer ring body (2).
5. The automobile hub bearing with high sealing durability according to claim 2, wherein one end of the sealing screw (10) positioned at the inner side of the fixed cylinder (6) is fixedly connected with a spring (11), the other end of the spring (11) is fixedly connected with a rotating piece (12), the outer side of the rotating piece (12) is rotatably provided with a pushing ring (13), the pushing ring (13) is simultaneously in sealing fit with the inner wall of the movable cylinder (7), sealing films (14) which are mutually in sealing fit are uniformly and fixedly arranged at the inner side of the pushing ring (13), the inner wall of the pushing ring (13) is fixedly provided with a limiting frame (1301), and the limiting frame (1301) limits the rotating direction of the sealing films (14).
6. The automobile hub bearing with high sealing durability according to claim 1, wherein the inner side of the first sealing colloid (16) is of a cavity structure, the outer wall of the first sealing colloid (16) is uniformly and integrally provided with a rubber block (20), the outer wall of the rubber block (20) is of an inclined surface structure, and the rubber block (20) pushes the outer side of the first sealing colloid (16) to deform under the action of air pressure in the rotation process of the first sealing colloid (16) so as to compress the cavity inside the first sealing colloid (16).
7. The high-sealing long-life automobile hub bearing of claim 6, wherein the cross section of the second sealing colloid (17) is in an arc-shaped structure, the cross section of the first sealing colloid (16) close to the side wall of the second sealing colloid (17) is in an arc-shaped structure, the cambered surface positions of the first sealing colloid (16) and the cambered surface position of the second sealing colloid (17) are matched, the attaching part (18) is in an annular structure, the attaching part (18) is attached to the second sealing colloid (17) in an initial state to realize sealing, and the attaching part (18) is driven to be separated from the second sealing colloid (17) when the outer side of the first sealing colloid (16) deforms so as to reduce friction force.
8. The high-sealing long-life automobile hub bearing of claim 6, wherein the outer arc wall of the first sealing colloid (16) is provided with an oil drain hole (22) with an annular structure, the inner side of the first sealing colloid (16) is integrally provided with a first rubber sheet (23), the first rubber sheet (23) is covered on the oil drain hole (22), and meanwhile, redundant oil liquid on the inner side of the outer ring body (2) is extracted through the oil drain hole (22) when the first sealing colloid (16) is elastically restored.
9. The automobile hub bearing with high sealing life as claimed in claim 6, wherein the first sealing colloid (16) is uniformly provided with the oil drain hole (21) towards one side of the second sealing colloid (17), the outer side of the first sealing colloid (16) is uniformly and integrally provided with the second rubber sheet (24), the second rubber sheet (24) covers the outer side of the oil drain hole (21) to realize sealing of the first sealing colloid, and meanwhile, the first sealing colloid (16) is discharged to the outer side of the collecting part (19) through the oil drain hole (21) when deformed, lubricating oil is pre-stored in the inner side of the first sealing colloid (16), and the liquid level of the lubricating oil in the inner side of the first sealing colloid (16) is higher than that of the lowest oil drain hole (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202511056775.5A CN120557269B (en) | 2025-07-30 | 2025-07-30 | A high-sealing, long-life automotive wheel hub bearing |
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| CN202511056775.5A CN120557269B (en) | 2025-07-30 | 2025-07-30 | A high-sealing, long-life automotive wheel hub bearing |
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| CN120557269A true CN120557269A (en) | 2025-08-29 |
| CN120557269B CN120557269B (en) | 2025-11-11 |
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| CN202511056775.5A Active CN120557269B (en) | 2025-07-30 | 2025-07-30 | A high-sealing, long-life automotive wheel hub bearing |
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| GB225872A (en) * | 1923-12-06 | 1925-12-03 | Adolphe Kegresse | Improvements in or relating to ball or like bearings |
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| CN204553566U (en) * | 2015-04-07 | 2015-08-12 | 温州天纳福汽车轴承股份有限公司 | The hub bearing that a kind of anti-inner ring comes off |
| CN204755608U (en) * | 2015-06-15 | 2015-11-11 | 洛阳轴研科技股份有限公司 | Seal structure of truck hub bearing |
| CN209781480U (en) * | 2019-01-22 | 2019-12-13 | 人本集团有限公司 | Oil-supplementing hub bearing |
| CN112065861A (en) * | 2020-09-16 | 2020-12-11 | 浙江恒鼎机械有限公司 | Hub bearing with good waterproof and dustproof performance |
| CN113464567A (en) * | 2021-07-22 | 2021-10-01 | 人本股份有限公司 | Hub bearing with spline shielding structure |
| KR20220057929A (en) * | 2020-10-30 | 2022-05-09 | 현대위아 주식회사 | Wheel bearing assembly and device to prevent entry of foreign substances into wheel bearings |
| CN218863101U (en) * | 2022-07-22 | 2023-04-14 | 泰州彼得汽车部件有限公司 | High-strength automobile hub bearing |
-
2025
- 2025-07-30 CN CN202511056775.5A patent/CN120557269B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB225872A (en) * | 1923-12-06 | 1925-12-03 | Adolphe Kegresse | Improvements in or relating to ball or like bearings |
| EP1610010A2 (en) * | 2004-06-15 | 2005-12-28 | BPW Bergische Achsen KG | Hub seal as well as sealing unit for a hub seal |
| CN204553566U (en) * | 2015-04-07 | 2015-08-12 | 温州天纳福汽车轴承股份有限公司 | The hub bearing that a kind of anti-inner ring comes off |
| CN204755608U (en) * | 2015-06-15 | 2015-11-11 | 洛阳轴研科技股份有限公司 | Seal structure of truck hub bearing |
| CN209781480U (en) * | 2019-01-22 | 2019-12-13 | 人本集团有限公司 | Oil-supplementing hub bearing |
| CN112065861A (en) * | 2020-09-16 | 2020-12-11 | 浙江恒鼎机械有限公司 | Hub bearing with good waterproof and dustproof performance |
| KR20220057929A (en) * | 2020-10-30 | 2022-05-09 | 현대위아 주식회사 | Wheel bearing assembly and device to prevent entry of foreign substances into wheel bearings |
| CN113464567A (en) * | 2021-07-22 | 2021-10-01 | 人本股份有限公司 | Hub bearing with spline shielding structure |
| CN218863101U (en) * | 2022-07-22 | 2023-04-14 | 泰州彼得汽车部件有限公司 | High-strength automobile hub bearing |
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| Publication number | Publication date |
|---|---|
| CN120557269B (en) | 2025-11-11 |
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