CN212446973U - Hub unit with ultra-long bolt - Google Patents
Hub unit with ultra-long bolt Download PDFInfo
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- CN212446973U CN212446973U CN202021068266.7U CN202021068266U CN212446973U CN 212446973 U CN212446973 U CN 212446973U CN 202021068266 U CN202021068266 U CN 202021068266U CN 212446973 U CN212446973 U CN 212446973U
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- wheel hub
- spline
- flange
- hub unit
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Abstract
The utility model relates to a take wheel hub unit of overlength bolt, affiliated wheel hub unit technical field, including the wheel hub outer lane, the wheel hub outer lane in be equipped with the wheel hub ring flange, wheel hub ring flange and wheel hub outer lane inner wall between be equipped with a plurality of support columns that are equidistant annular distribution, wheel hub ring flange one end be equipped with the main shaft, main shaft and wheel hub ring flange between be equipped with the wheel hub unit with main shaft looks jump ring formula spline nested connection, the wheel hub unit on be equipped with a plurality of overlength bolts that cup joint with the wheel hub ring flange looks run through. The spindle comprises a transmission shaft, and the front end of the transmission shaft is provided with a spline shaft which is integrated with the transmission shaft and is in nested connection with a hub unit through a clamp spring type spline. The device has the characteristics of compact structure, strong sealing performance, high kinetic energy transmission efficiency, reliable safety performance and long service life. The stability of vehicle operation is improved.
Description
Technical Field
The utility model relates to a wheel hub unit technical field, concretely relates to take wheel hub unit of overlength bolt.
Background
The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, is widely used in cars, and has a tendency of gradually expanding application in trucks. The hub unit product is mainly matched with an automobile and is generally applied to a sedan, a sports car, a sedan and a pickup truck. The hub unit is an important part in the whole vehicle, and the hub bearing of the sedan mostly uses a single-row tapered roller or a ball bearing in pairs in the past. With the development of technology, cars have widely used car hub units.
The use range and the use amount of hub bearing units are increasing and nowadays the third generation has been developed. The assembly process comprises a plurality of processes of gap adjustment, pre-tightening, grease addition and the like, the doping human control factors are more, and the assembly difficulty is higher, so that the assembly line is long, the cost is high, the reliability is poor, and the assembly line is difficult to adapt to the intense market competition.
Disclosure of Invention
The utility model discloses mainly solve and have among the prior art that sealing performance is poor, the security performance is low and life is short not enough, provide a take wheel hub unit of overlength bolt, it has compact structure, sealing performance is strong, kinetic energy transmission efficiency is high, the security performance is reliable and long service life's characteristics. The stability of vehicle operation is improved.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides a take wheel hub unit of overlength bolt, includes the wheel hub outer lane, the wheel hub outer lane in be equipped with the wheel hub ring flange, wheel hub ring flange and wheel hub outer lane inner wall between be equipped with a plurality of support columns that are equidistant annular and distribute, wheel hub ring flange one end be equipped with the main shaft, main shaft and wheel hub ring flange between be equipped with the wheel hub unit with main shaft looks jump ring formula spline nested connection, the wheel hub unit on be equipped with a plurality of overlength bolts that cup joint with the wheel hub ring flange formula of running through mutually. The spindle comprises a transmission shaft, and the front end of the transmission shaft is provided with a spline shaft which is integrated with the transmission shaft and is in nested connection with a hub unit through a clamp spring type spline.
Preferably, the hub unit comprises a hub bearing flange plate, an inner ring which is in limit nesting with the hub bearing flange plate is arranged on the hub bearing flange plate, an outer ring flange which is movably sleeved with the hub bearing flange plate is arranged on the periphery of the inner ring, annular retainers are arranged between the inner ring and the outer ring flange and between the hub bearing flange plate and the outer ring flange, and a plurality of balls which are in movable limit nesting with the annular retainers are arranged in the annular retainers.
Preferably, a magnetic sealing ring is arranged between the inner wall of the left end of the outer ring flange and the outer wall of the inner ring, and a multi-lip framework sealing ring is arranged between the inner wall of the right end of the outer ring flange and the outer wall of the hub bearing flange plate.
Preferably, a spline hole which is integrated with the hub bearing flange and is in spline nested connection with a spline shaft is arranged in the hub bearing flange, and a shaft hole which is communicated with the spline hole and is in clamp spring type limiting sleeve connection with the transmission shaft is arranged at the left end of the spline hole.
Preferably, the right end of the spline hole is provided with a light weight cavity communicated with the spline hole.
Preferably, the other end of the hub flange is provided with an end cover which is in compression joint with the nut penetrating through the overlong bolt.
The utility model discloses can reach following effect:
the utility model provides a take wheel hub unit of overlength bolt compares with prior art, has compact structure, sealing performance is strong, kinetic energy transmission efficiency is high, the safe performance is reliable and long service life's characteristics. The stability of vehicle operation is improved.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Fig. 2 is a structural sectional view of the hub unit of the present invention.
Fig. 3 is a schematic structural view of the spindle of the present invention.
In the figure: the hub comprises a main shaft 1, a hub outer ring 2, a hub unit 3, a support column 4, a hub flange plate 5, an overlong bolt 6, an end cover 7, a magnetic sealing ring 8, an outer ring flange 9, balls 10, an annular retainer 11, a multi-lip framework sealing ring 12, a hub bearing flange plate 13, a light weight cavity 14, a spline hole 15, a shaft hole 16, an inner ring 17, a spline shaft 18 and a transmission shaft 19.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1, 2 and 3, a hub unit with an ultra-long bolt comprises a hub outer ring 2, a hub flange 5 is arranged in the hub outer ring 2, 9 support columns 4 which are distributed in an equidistant annular manner are arranged between the hub flange 5 and the inner wall of the hub outer ring 2, a main shaft 1 is arranged at one end of the hub flange 5, the main shaft 1 comprises a transmission shaft 19, and a spline shaft 18 which is integrated with the transmission shaft 19 and is in embedded connection with a hub unit 3 through a clamp spring type spline is arranged at the front end of the transmission shaft 19. A hub unit 3 nested with the spindle 1 in a clamping spring type spline is arranged between the spindle 1 and the hub flange 5, the hub unit 3 comprises a hub bearing flange 13, a spline hole 15 which is integrated with the hub bearing flange 13 and nested with a spline shaft 18 in a spline is arranged in the hub bearing flange 13, and a shaft hole 16 which is communicated with the spline hole 15 and is in clamping spring type limiting sleeve connection with a transmission shaft 19 is arranged at the left end of the spline hole 15. The right end of the spline hole 15 is provided with a light weight cavity 14 communicated with the spline hole 15. An inner ring 17 which is embedded with the hub bearing flange 13 in a limiting way is arranged on the hub bearing flange 13, an outer ring flange 9 which is movably sleeved with the hub bearing flange 13 is arranged on the periphery of the inner ring 17, a magnetic sealing ring 8 is arranged between the inner wall of the left end of the outer ring flange 9 and the outer wall of the inner ring 17, and a multi-lip framework sealing ring 12 is arranged between the inner wall of the right end of the outer ring flange 9 and the outer wall of the hub bearing flange 13. Annular retainers 11 are arranged between the inner ring 17 and the outer ring flange 9 and between the hub bearing flange 13 and the outer ring flange 9, and 8 balls 10 movably limiting and nesting with the annular retainers 11 are arranged in the annular retainers 11. The hub unit 3 is provided with 5 overlong bolts 6 which are in through-type sleeve joint with the hub flange 5. The other end of the hub flange 5 is provided with an end cover 7 which is in through nut crimping with the overlong bolt 6.
To sum up, the hub unit with the ultra-long bolt has the characteristics of compact structure, strong sealing performance, high kinetic energy transmission efficiency, reliable safety performance and long service life. The stability of vehicle operation is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (6)
1. The utility model provides a take wheel hub unit of overlength bolt which characterized in that: the hub unit comprises a hub outer ring (2), wherein a hub flange (5) is arranged in the hub outer ring (2), a plurality of support columns (4) which are distributed in an equally-spaced annular mode are arranged between the hub flange (5) and the inner wall of the hub outer ring (2), a main shaft (1) is arranged at one end of the hub flange (5), a hub unit (3) which is connected with the main shaft (1) in a clamping spring type spline nesting mode is arranged between the main shaft (1) and the hub flange (5), and a plurality of overlong bolts (6) which are sleeved with the hub flange (5) in a penetrating mode are arranged on the hub unit (3); the spindle (1) comprises a transmission shaft (19), and a spline shaft (18) which is integrated with the transmission shaft (19) and is nested and connected with the hub unit (3) through a snap spring type spline is arranged at the front end of the transmission shaft (19).
2. A hub unit with an ultra-long bolt according to claim 1, characterized in that: the hub unit (3) comprises a hub bearing flange plate (13), an inner ring (17) which is in limited nesting with the hub bearing flange plate (13) is arranged on the hub bearing flange plate (13), an outer ring flange (9) which is movably sleeved with the hub bearing flange plate (13) is arranged on the periphery of the inner ring (17), annular retainers (11) are arranged between the inner ring (17) and the outer ring flange (9) and between the hub bearing flange plate (13) and the outer ring flange (9), and a plurality of balls (10) which are in movable limited nesting with the annular retainers (11) are arranged in the annular retainers (11).
3. A hub unit with an ultra-long bolt according to claim 2, characterized in that: the inner ring sealing structure is characterized in that a magnetic sealing ring (8) is arranged between the inner wall of the left end of the outer ring flange (9) and the outer wall of the inner ring (17), and a multi-lip framework sealing ring (12) is arranged between the inner wall of the right end of the outer ring flange (9) and the outer wall of the hub bearing flange plate (13).
4. A hub unit with an ultra-long bolt according to claim 2, characterized in that: the hub bearing flange plate (13) is internally provided with a spline hole (15) which is integrated with the hub bearing flange plate (13) and is in spline nested connection with a spline shaft (18), and the left end of the spline hole (15) is provided with a shaft hole (16) which is communicated with the spline hole (15) and is in clamping spring type limiting socket connection with a transmission shaft (19).
5. A hub unit with an ultra-long bolt according to claim 4, characterized in that: the right end of the spline hole (15) is provided with a light weight cavity (14) communicated with the spline hole (15).
6. A hub unit with an ultra-long bolt according to claim 1, characterized in that: and an end cover (7) which is in through nut crimping with the overlong bolt (6) is arranged at the other end of the hub flange plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068266.7U CN212446973U (en) | 2020-06-11 | 2020-06-11 | Hub unit with ultra-long bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021068266.7U CN212446973U (en) | 2020-06-11 | 2020-06-11 | Hub unit with ultra-long bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212446973U true CN212446973U (en) | 2021-02-02 |
Family
ID=74491500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021068266.7U Active CN212446973U (en) | 2020-06-11 | 2020-06-11 | Hub unit with ultra-long bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212446973U (en) |
-
2020
- 2020-06-11 CN CN202021068266.7U patent/CN212446973U/en active Active
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