CN117780802A - Automobile hub bearing unit - Google Patents
Automobile hub bearing unit Download PDFInfo
- Publication number
- CN117780802A CN117780802A CN202410206566.3A CN202410206566A CN117780802A CN 117780802 A CN117780802 A CN 117780802A CN 202410206566 A CN202410206566 A CN 202410206566A CN 117780802 A CN117780802 A CN 117780802A
- Authority
- CN
- China
- Prior art keywords
- oil
- ring
- retainer
- ball group
- hub bearing
- 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
- 239000003921 oil Substances 0.000 claims description 90
- 230000001502 supplementing effect Effects 0.000 claims description 39
- 239000002775 capsule Substances 0.000 claims description 36
- 239000010687 lubricating oil Substances 0.000 claims description 21
- 239000011324 bead Substances 0.000 claims description 10
- 238000009957 hemming Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims 4
- 238000000429 assembly Methods 0.000 claims 4
- 230000000694 effects Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention provides an automobile hub bearing unit, which comprises a flange plate and a bearing groove formed along the periphery of the flange plate, wherein a first inner ring and a second inner ring are sequentially sleeved in the bearing groove, an outer ring is sleeved on the periphery of the flange plate, a first ball group is arranged between the outer ring and the first inner ring, a second ball group is arranged between the outer ring and the second inner ring, the first ball group and the second ball group both comprise a plurality of movably arranged balls, a first retaining component is arranged on two sides of the first ball group, a second retaining component is arranged on two sides of the second ball group, and the first retaining component and the second retaining component are identical in structure and are symmetrically arranged; the first retaining assembly comprises a main retaining frame and an auxiliary retaining frame which are respectively arranged at two sides of the first ball group, and a plurality of thermal expansion pieces are distributed between the main retaining frame and the auxiliary retaining frame at intervals along the circumferential direction, so that the distance between the main retaining frame and the auxiliary retaining frame is increased after the thermal expansion pieces are heated and expanded; the invention can improve the thermal stability of the bearing ball and avoid overheat damage.
Description
Technical Field
The invention relates to the field of automobile hub bearings, in particular to an automobile hub bearing unit.
Background
The automobile hub bearing unit generally consists of a hub bearing and a flange plate. The hub bearing generally comprises a bearing inner ring, an outer ring is sleeved outside the inner ring, and steel balls, a retainer, a sealing assembly and the like are arranged between the inner ring and the outer ring.
The existing hub bearing is usually added with lubricating oil or lubricating grease, after the hub bearing is mounted on a flange plate, the lubricating oil or lubricating grease is not usually supplemented to the hub bearing in a disassembling mode, after the hub bearing is mounted, the mounting position of the hub bearing is deviated to the inner side, and the hub bearing is difficult to disassemble after limiting, so that the actual existing automobile hub bearing is usually difficult to supplement the lubricating oil, after the hub bearing is used for a certain amount of lubricating oil loss in the existing automobile hub bearing for a long time, the friction force between the steel ball and the inner ring and the outer ring is relatively improved, and further the heat of the steel ball is easy to generate and accumulate; at this time, the existing hub bearing is prone to the problem that structures such as a retainer and a steel ball are overheated.
Disclosure of Invention
The invention aims to provide an automobile hub bearing unit which can improve the thermal stability of bearing balls and avoid overheat damage.
In order to solve the technical problems, the invention provides an automobile hub bearing unit, which comprises a flange plate and a bearing groove formed along the periphery of the flange plate, wherein a first inner ring and a second inner ring are sequentially sleeved in the bearing groove, an outer ring is sleeved on the periphery of the flange plate, a first ball group is arranged between the outer ring and the first inner ring, a second ball group is arranged between the outer ring and the second inner ring, the first ball group and the second ball group both comprise a plurality of movably arranged balls, the two sides of the first ball group are provided with first retaining components, the two sides of the second ball group are provided with second retaining components, and the first retaining components and the second retaining components have the same structure and are symmetrically arranged; the first retaining assembly comprises a main retaining frame and an auxiliary retaining frame which are respectively arranged at two sides of the first ball group, and a plurality of thermal expansion pieces are circumferentially distributed between the main retaining frame and the auxiliary retaining frame at intervals, so that after the thermal expansion pieces are heated and expanded, the distance between the main retaining frame and the auxiliary retaining frame is increased.
Further, a plurality of first supporting rods are distributed on one side, close to the auxiliary retainer, of the main retainer at intervals along the circumferential direction, a plurality of second supporting rods are distributed on one side, close to the main retainer, of the auxiliary retainer at intervals along the circumferential direction, a placement position is formed between the first supporting rods and the second supporting rods, and the thermal expansion piece is placed in the placement position.
Further, the thermal expansion member is located between the adjacent two balls.
Further, an oil pushing pipe is arranged on one side, far away from the auxiliary retainer, of the main retainer, an oil supplementing capsule is placed between the oil pushing pipe in the first retaining assembly and the oil pushing pipe in the second retaining assembly, an oil supplementing port is formed in one side of the oil supplementing capsule, a one-way valve is arranged at the oil supplementing port, and when the oil pushing pipe in the first retaining assembly and the oil pushing pipe in the second retaining assembly are close to each other, the oil supplementing capsule is pressed outwards to extrude lubricating oil.
Further, the two ends of the oil supplementing capsule are both provided with sleeves, one side of each sleeve, which is far away from the oil pushing pipe, is provided with a plurality of spring pieces along the circumferential direction, and when the oil pushing pipe moves to the oil supplementing capsule, the oil pushing pipe pushes the spring pieces to fold inwards so that the spring pieces press the oil supplementing capsule.
Further, a plurality of convex beads are arranged on the spring piece, and the convex beads are distributed at intervals from one side of the spring piece, which is close to the oil pushing pipe, to one side, which is far away from the oil pushing pipe.
Further, one end of the flange plate is connected with a limiting ring, the end part of the limiting ring is provided with a hemming structure, and the hemming structure is attached to the outer edge of the second inner ring.
Further, the end part of the flange plate is provided with a limiting ring groove, the limiting ring is clamped with the limiting ring groove, the limiting ring groove is provided with a plurality of clamping grooves along the circumferential direction, the limiting rings are provided with a plurality of limiting sheets at intervals along the circumferential direction, and when the limiting ring is clamped in the limiting ring groove, the limiting sheets are buckled in the clamping grooves.
Further, a plurality of through holes are formed in the flange plate in the radial direction, and one ends of the through holes face to the clamping grooves.
Further, sealing rings are arranged between the outer ring and the first inner ring and between the outer ring and the second inner ring, a clamping ring is arranged on the periphery of the flange, and one side of the outer ring abuts against the side of the clamping ring.
The invention has the advantages that the first inner ring and the second inner ring are sleeved on the flange plate, the outer ring can be connected to the steering knuckle, so that the flange plate and the steering knuckle can realize running fit through the first ball group and the second ball group, the positions of the balls are guided through the main retainer and the auxiliary retainer, gaps among the balls are ensured, so that the heat dissipation effect and the bearing effect of the balls are improved, meanwhile, when a certain amount of lubricating oil between the outer ring and the inner ring is lost, so that the heat of the balls is easy to rise, the heat transfer temperature of the balls is borne by the main retainer and the auxiliary retainer, so that the synchronous rise is caused, the thermal expansion piece is heated and pushes the main retainer and the auxiliary retainer, so that the distance between the main retainer and the auxiliary retainer is increased, the main retainer and the auxiliary retainer are adjusted to a state with a certain gap from a state of being tightly attached to the balls, and at the moment, after the temperature of the balls is reduced again, the main retainer and the auxiliary retainer are synchronously reduced, so that the thermal expansion piece is contracted again and reset, and the main retainer and the auxiliary retainer are enabled to be tightly attached to the balls again, so that the heat of the balls can be effectively cooled.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a side view of the present invention.
Figure 3 is a cross-sectional view of the present invention taken along line A-A of figure 2.
Fig. 4 is an enlarged view of a portion of fig. 3 a of the present invention.
Fig. 5 is a partial enlarged view of the present invention at B in fig. 3.
Fig. 6 is an enlarged view of a portion of the present invention at C in fig. 3.
Reference numerals: 1. a flange plate; 2. a bearing groove; 3. a first inner ring; 4. a second inner ring; 5. an outer ring; 6. a first ball group; 7. a second ball group; 8. a main cage; 9. a sub-holder; 10. a thermal expansion member; 11. a first support bar; 12. a second support bar; 13. pushing the oil pipe; 14. an oil supplementing capsule; 15. an oil supplementing port; 16. a sleeve; 17. a spring piece; 18. convex beads; 19. a limiting ring; 20. a hemming structure; 21. a limit ring groove; 22. a clamping groove; 23. a limiting piece; 24. a through hole; 25. a seal ring; 26. and a clasp.
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 are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present invention.
It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.
The invention provides an automobile hub bearing unit, which comprises a flange plate 1 and a bearing groove 2 formed along the periphery of the flange plate 1, wherein a first inner ring 3 and a second inner ring 4 are sleeved in the bearing groove 2 in sequence, an outer ring 5 is sleeved on the periphery of the flange plate 1, a first ball group 6 is arranged between the outer ring 5 and the first inner ring 3, a second ball group 7 is arranged between the outer ring 5 and the second inner ring 4, the first ball group 6 and the second ball group 7 comprise a plurality of movably arranged balls, a first retaining component is arranged on two sides of the first ball group, a second retaining component is arranged on two sides of the second ball group, and the first retaining component and the second retaining component are identical in structure and are symmetrically arranged; the first holding assembly comprises a main holding frame 8 and an auxiliary holding frame 9 which are respectively arranged at two sides of the first ball group 6, and a plurality of thermal expansion pieces 10 are circumferentially distributed between the main holding frame 8 and the auxiliary holding frame 9 at intervals, so that after the thermal expansion pieces 10 are heated and expanded, the distance between the main holding frame 8 and the auxiliary holding frame 9 is increased.
The first inner ring and the second inner ring are sleeved on the flange plate, the outer ring can be connected to the steering knuckle, so that the flange plate and the steering knuckle can realize running fit through the first ball group and the second ball group, the positions of the balls are guided through the main retainer and the auxiliary retainer, gaps among the balls are guaranteed, so that the heat dissipation effect and the bearing effect of the balls are improved, meanwhile, when a certain amount of lubricating oil loss between the outer ring and the inner ring enables heat of the balls to easily rise, the main retainer and the auxiliary retainer receive heat transfer temperature of the balls to synchronously rise, the thermal expansion piece is heated and expanded and pushes the main retainer and the auxiliary retainer, the distance between the main retainer and the auxiliary retainer is increased, the main retainer and the auxiliary retainer are adjusted to a state with a certain gap from a state of being closely attached to the balls, the heat dissipation effect of the balls is increased, after the temperature of the balls is reduced again, the main retainer and the auxiliary retainer shrink and reset again, and the retainer and the auxiliary retainer are buckled again, and the main retainer and the balls can effectively dissipate heat.
The inner side of the flange plate is provided with a spline transmission shaft so as to ensure the connection stability of the flange plate; the main retainer and the auxiliary retainer are similar to the existing retainer in structure and are used for limiting the positions of the balls.
In the preferred embodiment of the present solution, the thermal expansion member is made of a metal material having a thermal expansion coefficient greater than that of the main cage, the auxiliary cage and the balls, so as to ensure that the thermal expansion member can push the main cage and the auxiliary cage after the temperature rises.
Preferably, a plurality of first supporting rods 11 are circumferentially distributed at intervals on one side of the main retainer 8 close to the auxiliary retainer 9, a plurality of second supporting rods 12 are circumferentially distributed on one side of the auxiliary retainer 9 close to the main retainer 8, a placement position is formed between the first supporting rods 11 and the second supporting rods 12, and the thermal expansion piece 10 is placed in the placement position.
Specifically, the first support rod and the second support rod limit the thermal expansion piece, so that the main retainer and the auxiliary retainer on two sides can be accurately pushed when the thermal expansion piece is heated and expanded, and meanwhile, the stability of the thermal expansion piece during installation and use can be improved through the arrangement of the placement position.
The first support rod is in spot welding connection with the thermal expansion piece, the second support rod is in spot welding connection with the thermal expansion piece, so that the main retainer and the auxiliary retainer are connected with each other, and all balls in the middle are limited.
Preferably, the thermal expansion member 10 is located between two adjacent balls.
Specifically, in order to ensure that the thermal expansion piece can perform expansion response when the temperature of the balls rises, the thermal expansion piece is arranged between two adjacent balls, so that the thermal expansion piece can rapidly absorb heat and expand, the two side positions of the balls are synchronously spread, and the heat dissipation effect of the balls is improved.
Preferably, an oil pushing pipe 13 is arranged on one side of the main retainer 8 far away from the auxiliary retainer 9, an oil supplementing capsule 14 is placed between the oil pushing pipe 13 in the first retainer and the oil pushing pipe 13 in the second retainer, an oil supplementing port 15 is formed on one side of the oil supplementing capsule 14, a one-way valve is arranged at the oil supplementing port 15, and when the oil pushing pipe 13 in the first retainer and the oil pushing pipe 13 in the second retainer are close to each other, the oil supplementing capsule 14 is pressed outwards to extrude lubricating oil.
Specifically, because the current hub bearing is difficult to carry out the oil filling, and after the long-time use loss lubricating oil, the unavoidable condition that can lead to ball temperature to rise easily, consequently this scheme sets up the oil filling capsule, when ball temperature risees and makes thermal expansion spare expand the top main holder, oil pushing pipe on two adjacent holders can be relatively close to produce the extrusion to the oil filling capsule, the inside lubricating oil of oil filling capsule can follow the oil filling mouth and extrude this moment, and carry out the oil filling to the position between outer lane, the inner circle, in order to improve the convenience of oil filling, and when lubricating oil is sufficient, ball temperature can not overheated, the oil filling capsule can not carry out the oil filling, lubricating oil endless loss has been avoided.
Wherein, the oil supplementing capsule can be made of rubber materials.
Preferably, the two ends of the oil supplementing capsule 14 are both provided with a sleeve 16, one side of the sleeve 16 away from the oil pushing pipe 13 is provided with a plurality of spring pieces 17 along the circumferential direction, and when the oil pushing pipe 13 moves towards the oil supplementing capsule 14, the oil pushing pipe 13 pushes the spring pieces 17 to retract inwards so that the spring pieces 17 press the oil supplementing capsule 14.
Specifically, the two ends of the oil supplementing capsule are limited through the sleeve, the sleeve is inserted into the pipe orifice of the oil pushing pipe, so that the oil supplementing capsule can be stably placed between two adjacent oil pushing pipes, when the oil pushing pipes are mutually close, the pipe orifice of the oil pushing pipe pushes the plurality of spring pieces, the plurality of spring pieces are folded inwards, and the oil supplementing capsule is extruded through the spring pieces, so that lubricating oil inside the oil supplementing capsule is extruded.
Wherein, the spring piece can be made of spring steel material.
Preferably, the spring piece 17 is provided with a plurality of convex beads 18, and the convex beads 18 are distributed at intervals from one side of the spring piece 17 close to the oil pushing pipe 13 to one side far from the oil pushing pipe 13.
Specifically, when the spring piece is pushed by the oil pushing pipe to be folded inwards, the convex beads can press the outer side of the oil supplementing capsule, so that the pressing effect of the spring piece on the oil supplementing capsule is improved, and smooth extrusion of lubricating oil is ensured; and because a plurality of convex beads are distributed at intervals from one side of the spring piece, which is close to the oil pushing pipe, to one side, which is far away from the oil pushing pipe, when the lubricating oil in the oil supplementing capsule is reduced, the oil pushing pipe further pushes the folding angle of the spring piece, so that more convex beads are contacted with and squeeze the oil supplementing capsule, and the oil supplementing capsule is convenient to supplement oil under the condition that the internal lubricating oil is less.
It is worth mentioning that, when the inside lubricating oil of oil supplementing capsule is less, because outer lane, inner circle can not in time mend oily, therefore the temperature of ball department can continuously rise, and the thermal expansion piece can continuously promote main holder and remove this moment, until pushing away oil pipe and extruding the inside lubricating oil of oil supplementing capsule.
Preferably, one end of the flange plate 1 is connected with a limiting ring 19, the end part of the limiting ring 19 is provided with a hemming structure 20, and the hemming structure 20 is attached to the outer edge of the second inner ring 4.
Specifically, after the outer ring, the first inner ring and the second inner ring are all installed, the limiting ring is connected to one end of the flange plate, and the end part of the limiting ring is curled, so that the outer edge of the second inner ring is limited by the curled structure, the outer ring, the first inner ring and the second inner ring are synchronously limited, and the overall stability is improved.
Preferably, the end of the flange plate 1 is provided with a limit ring groove 21, the limit ring 19 is clamped in the limit ring groove 21, a plurality of clamping grooves 22 are formed in the limit ring groove 21 along the circumferential direction, a plurality of limit pieces 23 are distributed on the limit ring 19 at intervals along the circumferential direction, and when the limit ring 19 is clamped in the limit ring groove 21, the limit pieces 23 are buckled in the clamping grooves 22.
Specifically, when connecting the spacing ring to the ring flange, peg graft spacing piece to spacing annular department with spacing ring one end, until the spacing piece detains and establishes to the joint groove for spacing piece and the mutual lock of joint groove are connected, and then carry out spacing to the spacing ring, and the spacing ring carries out hemming at this moment, can carry out stable support spacing to the second inner circle.
Preferably, a plurality of through holes 24 are formed in the flange plate 1 along the radial direction, and one end of each through hole 24 faces the clamping groove 22.
Specifically, when need dismantle the spacing ring in order to maintain inner circle, outer lane, wear to establish to through-hole department through with extracting tool to push away the spacing piece of joint groove department, make spacing piece reentrant spacing annular in and outwards pull out, can unpick and wash the spacing ring, and need not to carry out destructive dismantlement to the spacing ring.
In the preferred embodiment of the scheme, the inner wall of the through hole is provided with the internal thread, and when the limiting piece is pushed and disassembled, the limiting piece can be pushed by screwing parts such as a bolt into the through hole, so that the limiting piece can be pushed by the parts such as the bolt.
Preferably, sealing rings 25 are arranged between the outer ring 5 and the first inner ring 3 and between the outer ring 5 and the second inner ring 4, a clamping ring 26 is arranged on the periphery of the flange plate 1, and one side of the outer ring 5 abuts against the side of the clamping ring 26.
Specifically, seal the lubricating oil between outer lane and the inner circle through the sealing washer, avoid lubricating oil to leak outward, carry out spacingly through the snap ring to one side of outer lane simultaneously, cooperation turn-up structure can stably keep the position of outer lane and inner circle.
The present invention is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present invention, however, any change in shape or structure of the product is within the scope of the present invention, and all the products having the same or similar technical solutions as the present application are included.
Claims (10)
1. An automobile hub bearing unit, characterized in that: the novel bearing comprises a flange plate (1) and a bearing groove (2) formed along the periphery of the flange plate (1), wherein a first inner ring (3) and a second inner ring (4) are sequentially sleeved in the bearing groove (2), an outer ring (5) is sleeved on the periphery of the flange plate (1), a first ball group (6) is arranged between the outer ring (5) and the first inner ring (3), a second ball group (7) is arranged between the outer ring (5) and the second inner ring (4), the first ball group (6) and the second ball group (7) comprise a plurality of movably arranged balls, first retaining assemblies are arranged on two sides of the first ball group, second retaining assemblies are arranged on two sides of the second ball group, and the first retaining assemblies and the second retaining assemblies are identical in structure and are symmetrically arranged; the first retaining assembly comprises a main retainer (8) and an auxiliary retainer (9) which are respectively arranged at two sides of the first ball group (6), wherein a plurality of thermal expansion pieces (10) are circumferentially distributed between the main retainer (8) and the auxiliary retainer (9) at intervals, so that after the thermal expansion pieces (10) are heated and expanded, the distance between the main retainer (8) and the auxiliary retainer (9) is increased.
2. The automobile hub bearing unit of claim 1, wherein: a plurality of first supporting rods (11) are circumferentially distributed at intervals on one side, close to the auxiliary retainer (9), of the main retainer (8), a plurality of second supporting rods (12) are circumferentially distributed at intervals on one side, close to the main retainer (8), of the auxiliary retainer (9), and a placement position is formed between the first supporting rods (11) and the second supporting rods (12), and a thermal expansion piece (10) is placed in the placement position.
3. The automobile hub bearing unit of claim 1, wherein: the thermal expansion member (10) is located between two adjacent balls.
4. The automobile hub bearing unit of claim 1, wherein: one side of the main retainer (8) far away from the auxiliary retainer (9) is provided with an oil pushing pipe (13), an oil supplementing capsule (14) is placed between the oil pushing pipe (13) in the first retaining component and the oil pushing pipe (13) in the second retaining component, an oil supplementing port (15) is formed in one side of the oil supplementing capsule (14), a one-way valve is arranged at the oil supplementing port (15), and when the oil pushing pipe (13) in the first retaining component and the oil pushing pipe (13) in the second retaining component are close to each other, the oil supplementing capsule (14) is pressed to extrude lubricating oil outwards.
5. The automobile hub bearing unit of claim 4, wherein: the oil supplementing capsule (14) is characterized in that the two ends of the oil supplementing capsule (14) are respectively provided with a sleeve (16), one side, far away from the oil pushing pipe (13), of each sleeve (16) is provided with a plurality of spring pieces (17) along the circumferential direction, and when the oil pushing pipe (13) moves towards the oil supplementing capsule (14), the oil pushing pipe (13) pushes the spring pieces (17) to retract inwards so that the spring pieces (17) press the oil supplementing capsule (14).
6. The automobile hub bearing unit of claim 5, wherein: the spring piece (17) is provided with a plurality of convex beads (18), and the convex beads (18) are distributed at intervals from one side of the spring piece (17) close to the oil pushing pipe (13) to one side far away from the oil pushing pipe (13).
7. The automobile hub bearing unit of claim 1, wherein: one end of the flange plate (1) is connected with a limiting ring (19), the end part of the limiting ring (19) is provided with a hemming structure (20), and the hemming structure (20) is attached to the outer edge of the second inner ring (4).
8. The automobile hub bearing unit of claim 7, wherein: the end part of the flange plate (1) is provided with a limiting ring groove (21), a limiting ring (19) is clamped in the limiting ring groove (21), a plurality of clamping grooves (22) are formed in the limiting ring groove (21) along the circumferential direction, a plurality of limiting sheets (23) are distributed on the limiting ring (19) at intervals along the circumferential direction, and when the limiting ring (19) is clamped in the limiting ring groove (21), the limiting sheets (23) are buckled in the clamping grooves (22).
9. The automobile hub bearing unit of claim 8, wherein: a plurality of through holes (24) are formed in the flange plate (1) along the radial direction, and one end of each through hole (24) is arranged towards the position of the corresponding clamping groove (22).
10. The automobile hub bearing unit of claim 1, wherein: sealing rings (25) are arranged between the outer ring (5) and the first inner ring (3) and between the outer ring (5) and the second inner ring (4), a clamping ring (26) is arranged on the periphery of the flange plate (1), and one side of the outer ring (5) abuts against the side of the clamping ring (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410206566.3A CN117780802B (en) | 2024-02-26 | 2024-02-26 | Automobile hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410206566.3A CN117780802B (en) | 2024-02-26 | 2024-02-26 | Automobile hub bearing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117780802A true CN117780802A (en) | 2024-03-29 |
| CN117780802B CN117780802B (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410206566.3A Active CN117780802B (en) | 2024-02-26 | 2024-02-26 | Automobile hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117780802B (en) |
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| CN214534081U (en) * | 2021-04-29 | 2021-10-29 | 山东朗澈轴承有限公司 | Bearing retainer with oil storage structure |
| CN114370454A (en) * | 2020-10-16 | 2022-04-19 | 斯凯孚公司 | Bearing unit provided with high-performance retaining means |
| CN218440218U (en) * | 2022-08-10 | 2023-02-03 | 江苏比傲汽车科技有限公司 | Automobile front wheel hub bearing with high bearing capacity |
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2024
- 2024-02-26 CN CN202410206566.3A patent/CN117780802B/en active Active
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|---|---|---|---|---|
| CN1617984A (en) * | 2002-01-28 | 2005-05-18 | 迪姆肯公司 | Wheel bearing with improved cage |
| CN101171433A (en) * | 2005-05-04 | 2008-04-30 | 谢夫勒两合公司 | Roller bearing with a window cage with positioning elements in the bearing pockets for altering the pocket play by means of temperature-dependent change in shape of the positioning elements for exampl |
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| CN207485854U (en) * | 2017-12-04 | 2018-06-12 | 韶关东南轴承有限公司 | A kind of hub bearing assembly for sedan |
| CN209208366U (en) * | 2018-11-22 | 2019-08-06 | 杭州博策汽车零部件有限公司 | Automobile hub unit with bearing retaining ring |
| CN114370454A (en) * | 2020-10-16 | 2022-04-19 | 斯凯孚公司 | Bearing unit provided with high-performance retaining means |
| CN214534081U (en) * | 2021-04-29 | 2021-10-29 | 山东朗澈轴承有限公司 | Bearing retainer with oil storage structure |
| CN218440218U (en) * | 2022-08-10 | 2023-02-03 | 江苏比傲汽车科技有限公司 | Automobile front wheel hub bearing with high bearing capacity |
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| CN117780802B (en) | 2024-05-07 |
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