CN220129884U - Hub bearing unit with auxiliary braking function - Google Patents
Hub bearing unit with auxiliary braking function Download PDFInfo
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- CN220129884U CN220129884U CN202321593083.0U CN202321593083U CN220129884U CN 220129884 U CN220129884 U CN 220129884U CN 202321593083 U CN202321593083 U CN 202321593083U CN 220129884 U CN220129884 U CN 220129884U
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- hub
- flange
- auxiliary
- bearing
- hub bearing
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- 238000007789 sealing Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 210000000003 hoof Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model relates to a hub bearing unit with an auxiliary braking function, which belongs to the technical field of hub bearings and comprises a hub bearing, wherein a swing angle driven shaft which is movably sleeved with the hub bearing is arranged in the hub bearing, and an auxiliary braking component which is fixedly connected with the hub bearing through a bolt and is movably engaged with the hub bearing for braking is arranged at the rear end of the hub bearing. The auxiliary brake assembly comprises a connecting flange, an auxiliary shoe which is movably engaged with the hub bearing for braking is arranged on one side of the upper portion of the connecting flange, a positioning pin which is riveted and fixed with the connecting flange is arranged on the upper portion of the auxiliary shoe, and a brake cylinder for driving the auxiliary shoe to rotate and displace is arranged on the side edge of the lower portion of the auxiliary shoe. Has the characteristics of simple structure, good braking stability and long service life. And the potential safety hazard of vehicle braking out of control and vehicle rollover is avoided. The braking stability and the operation reliability of the hub unit are improved.
Description
Technical Field
The utility model relates to the technical field of hub bearings, in particular to a hub bearing unit with an auxiliary braking function.
Background
The main function of the automobile hub unit as an automobile part is that the bearing and the rotation of the hub provide accurate guidance, and the automobile hub unit bears axial load and radial load. The hub unit is developed on the basis of standard angular contact ball bearings and tapered roller bearings and is generally applied to cars, sport cars and pick-up trucks.
The hub unit is used for carrying out oil pressure drum braking through the brake pad in the current vehicle operation, and potential safety hazards easily occur when the braking effect of the brake pad is reduced or fails. However, when the vehicle runs on a bumpy road, the vehicle cannot effectively and timely brake to control low-speed passing. The wheel hub is easy to deform, the service cycle is shortened, the driving safety and stability are affected, and the potential safety hazards of out-of-control vehicle braking and rollover are avoided.
Disclosure of Invention
The utility model mainly solves the defects existing in the prior art, and provides a hub bearing unit with an auxiliary braking function, which has the characteristics of simple structure, good braking stability and long service life. And the potential safety hazard of vehicle braking out of control and vehicle rollover is avoided. The braking stability and the operation reliability of the hub unit are improved.
The technical problems of the utility model are mainly solved by the following technical proposal:
the hub bearing unit with the auxiliary braking function comprises a hub bearing, wherein a swing angle driven shaft movably sleeved with the hub bearing is arranged in the hub bearing, and an auxiliary braking component which is fixedly connected with the hub bearing through a bolt and movably engaged with the hub bearing for braking is arranged at the rear end of the hub bearing. The auxiliary brake assembly comprises a connecting flange, an auxiliary shoe which is movably engaged with the hub bearing for braking is arranged on one side of the upper portion of the connecting flange, a positioning pin which is riveted and fixed with the connecting flange is arranged on the upper portion of the auxiliary shoe, and a brake cylinder for driving the auxiliary shoe to rotate and displace is arranged on the side edge of the lower portion of the auxiliary shoe.
Preferably, the hub bearing comprises a hub flange, a flange outer ring movably sleeved with the hub flange and fixedly connected with a connecting flange through bolts is arranged on the hub flange, an inner ring I which is connected with the hub flange in a nested mode is arranged between the front end of the flange outer ring and the hub flange, an inner ring II which is connected with the hub flange in a nested mode is arranged between the rear end of the flange outer ring and the hub flange, a gear which is connected with the hub flange in a nested mode and is movably meshed with an auxiliary shoe for braking is arranged at the rear end of the inner ring II, a retainer is arranged between the inner ring I and the flange outer ring, and a plurality of steel columns which are movably clamped and connected with the retainer are arranged in the retainer.
Preferably, a deep groove ball bearing which is in limit clamping embedding with the hub flange is arranged between the front end of the hub flange and the swing angle driven shaft, a clamp spring which is in clamping groove type nested connection with the hub flange is arranged at the front end of the deep groove ball bearing, and a needle roller bearing which is in limit clamping embedding with the hub flange is arranged between the rear end of the hub flange and the swing angle driven shaft.
Preferably, a multi-lip framework sealing ring is arranged between the front end of the flange outer ring and the inner ring I and between the rear end of the flange outer ring and the inner ring II.
Preferably, a gear ring which is connected with the inner ring II in a nested way is arranged between the inner ring I and the inner ring II, and an ABS sensor which is in magnetic sensing communication with the gear ring is arranged at the lower end of the hub flange.
Preferably, a sealing ring which is connected with the flange outer ring in a clamping groove type nested manner is arranged between the flange outer ring and the connecting flange.
Preferably, a reset spring is arranged between the upper part of the front end of the auxiliary hoof and the connecting flange, and a fixed column which is hooked and fixed with the reset spring is arranged between the reset spring and the connecting flange.
The utility model can achieve the following effects:
compared with the prior art, the hub bearing unit with the auxiliary braking function has the characteristics of simple structure, good braking stability and long service life. And the potential safety hazard of vehicle braking out of control and vehicle rollover is avoided. The braking stability and the operation reliability of the hub unit are improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of an auxiliary brake assembly in the present utility model.
Fig. 3 is a structural cross-sectional view of the hub bearing in the present utility model.
In the figure: the brake device comprises a swing angle driven shaft 1, an auxiliary brake assembly 2, a hub bearing 3, a locating pin 4, an auxiliary shoe 5, a fixed column 6, a return spring 7, a connecting flange 8, a brake cylinder 9, a steel column 10, a gear ring 11, a flange outer ring 12, a retainer 13, a multi-lip framework sealing ring 14, a hub flange 15, a clamp spring 16, a deep groove ball bearing 17, an inner ring I18, an ABS sensor 19, a sealing ring 20, an inner ring II 21, a needle bearing 22 and a gear 23.
Description of the embodiments
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples: as shown in fig. 1, 2 and 3, a hub bearing unit with an auxiliary braking function comprises a hub bearing 3, wherein a swing angle driven shaft 1 movably sleeved with the hub bearing 3 is arranged in the hub bearing 3, and an auxiliary braking component 2 which is fixedly connected with the hub bearing 3 through bolts and is movably engaged with the hub bearing 3 for braking is arranged at the rear end of the hub bearing 3. The auxiliary brake assembly 2 comprises a connecting flange 8, an auxiliary shoe 5 which is movably engaged with the hub bearing 3 for braking is arranged on one side of the upper part of the connecting flange 8, a return spring 7 is arranged between the upper part of the front end of the auxiliary shoe 5 and the connecting flange 8, and a fixing column 6 which is hooked and fixed with the return spring 7 is arranged between the return spring 7 and the connecting flange 8. The upper part of the auxiliary shoe 5 is provided with a locating pin 4 which is riveted and fixed with a connecting flange 8, and the side edge of the lower part of the auxiliary shoe 5 is provided with a brake cylinder 9 which drives the auxiliary shoe 5 to rotate and displace.
The hub bearing 3 comprises a hub flange 15, a deep groove ball bearing 17 which is in limit clamping embedding with the hub flange 15 is arranged between the front end of the hub flange 15 and the swing angle driven shaft 1, a clamp spring 16 which is in clamping groove embedding connection with the hub flange 15 is arranged at the front end of the deep groove ball bearing 17, and a needle bearing 22 which is in limit clamping embedding with the hub flange 15 is arranged between the rear end of the hub flange 15 and the swing angle driven shaft 1. The hub flange 15 is provided with a flange outer ring 12 which is movably sleeved with the hub flange 15 and is fixedly connected with the connecting flange 8 through bolts, and a sealing ring 20 which is connected with the flange outer ring 12 in a clamping groove type nested manner is arranged between the flange outer ring 12 and the connecting flange 8. An inner ring I18 which is connected with the hub flange 15 in a nested way is arranged between the front end of the flange outer ring 12 and the hub flange 15, an inner ring II 21 which is connected with the hub flange 15 in a nested way is arranged between the rear end of the flange outer ring 12 and the hub flange 15, a gear 23 which is connected with the hub flange 15 in a nested way and is engaged with the auxiliary hoof 5 in a movable way is arranged at the rear end of the inner ring II 21, a retainer 13 is arranged between the inner ring I18 and the flange outer ring 12 and between the inner ring II 21 and the flange outer ring 12, and 8 steel columns 10 which are connected with the retainer 13 in a movable clamping way are arranged in the retainer 13. A multi-lip framework sealing ring 14 is arranged between the front end of the flange outer ring 12 and the inner ring I18 and between the rear end of the flange outer ring 12 and the inner ring II 21. A gear ring 11 which is connected with the inner ring II 21 in a nested way is arranged between the inner ring I18 and the inner ring II 21, and an ABS sensor 19 which is in magnetic sensing communication with the gear ring 11 is arranged at the lower end of the hub flange 15.
When the wheel hub normally operates, the brake cylinder 9 is in a stretching state, the auxiliary shoe 5 and the gear 23 are in a separation state, when the ABS sensor 19 senses braking delay or failure, the brake cylinder 9 contracts, so that the auxiliary shoe 5 and the gear 23 are in tooth-shaped engagement for braking, after braking is completed, the brake cylinder 9 stretches, and meanwhile, the auxiliary shoe 5 and the gear 23 are separated by the reset spring 7.
In summary, the hub bearing unit with the auxiliary braking function has the characteristics of simple structure, good braking stability and long service life. And the potential safety hazard of vehicle braking out of control and vehicle rollover is avoided. The braking stability and the operation reliability of the hub unit are improved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 summary, the foregoing description is only one embodiment of the present utility model, but the present utility model is not limited to the above embodiments, and any changes or modifications within the scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (7)
1. A hub-bearing unit with auxiliary braking function, characterized in that: the novel wheel hub comprises a wheel hub bearing (3), wherein a swing angle driven shaft (1) which is movably sleeved with the wheel hub bearing (3) is arranged in the wheel hub bearing (3), and an auxiliary brake component (2) which is fixedly connected with the wheel hub bearing (3) through a bolt and is movably engaged with the wheel hub bearing (3) for braking is arranged at the rear end of the wheel hub bearing (3); the auxiliary brake assembly (2) comprises a connecting flange (8), an auxiliary shoe (5) movably engaged with the hub bearing (3) for braking is arranged on one side of the upper portion of the connecting flange (8), a positioning pin (4) riveted and fixed with the connecting flange (8) is arranged on the upper portion of the auxiliary shoe (5), and a brake cylinder (9) for driving the auxiliary shoe (5) to rotate and displace is arranged on the side edge of the lower portion of the auxiliary shoe (5).
2. A hub-bearing unit with auxiliary braking function according to claim 1, characterized in that: the hub bearing (3) comprises a hub flange (15), a flange outer ring (12) movably sleeved with the hub flange (15) and fixedly connected with a connecting flange (8) through bolts is arranged on the hub flange (15), an inner ring I (18) connected with the hub flange (15) in a nested mode is arranged between the front end of the flange outer ring (12) and the hub flange (15), an inner ring II (21) connected with the hub flange (15) in a nested mode is arranged between the rear end of the flange outer ring (12) and the hub flange (15), a gear (23) connected with the hub flange (15) in a nested mode and movably meshed with an auxiliary shoe (5) is arranged at the rear end of the inner ring II (21), a retainer (13) is arranged between the inner ring I (18) and the flange outer ring (12), and a plurality of steel columns (10) connected with the retainer (13) in a movable mode are arranged in the retainer (13).
3. A hub-bearing unit with auxiliary braking function according to claim 2, characterized in that: the novel wheel hub is characterized in that a deep groove ball bearing (17) which is clamped and embedded with the wheel hub flange (15) is arranged between the front end of the wheel hub flange (15) and the swing angle driven shaft (1), a clamp spring (16) which is clamped and embedded with the wheel hub flange (15) is arranged at the front end of the deep groove ball bearing (17), and a needle bearing (22) which is clamped and embedded with the wheel hub flange (15) is arranged between the rear end of the wheel hub flange (15) and the swing angle driven shaft (1).
4. A hub-bearing unit with auxiliary braking function according to claim 2, characterized in that: a multi-lip framework sealing ring (14) is arranged between the front end of the flange outer ring (12) and the inner ring I (18) and between the rear end of the flange outer ring (12) and the inner ring II (21).
5. A hub-bearing unit with auxiliary braking function according to claim 2, characterized in that: a gear ring (11) which is connected with the inner ring II (21) in a nested way is arranged between the inner ring I (18) and the inner ring II (21), and an ABS sensor (19) which is in magnetic sensing communication with the gear ring (11) is arranged at the lower end of the hub flange plate (15).
6. A hub-bearing unit with auxiliary braking function according to claim 2, characterized in that: and a sealing ring (20) which is connected with the flange outer ring (12) in a clamping groove type nested manner is arranged between the flange outer ring (12) and the connecting flange (8).
7. A hub-bearing unit with auxiliary braking function according to claim 1, characterized in that: a reset spring (7) is arranged between the upper part of the front end of the auxiliary hoof (5) and the connecting flange (8), and a fixed column (6) which is hooked and fixed with the reset spring (7) is arranged between the reset spring (7) and the connecting flange (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593083.0U CN220129884U (en) | 2023-06-21 | 2023-06-21 | Hub bearing unit with auxiliary braking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321593083.0U CN220129884U (en) | 2023-06-21 | 2023-06-21 | Hub bearing unit with auxiliary braking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220129884U true CN220129884U (en) | 2023-12-05 |
Family
ID=88962319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321593083.0U Active CN220129884U (en) | 2023-06-21 | 2023-06-21 | Hub bearing unit with auxiliary braking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220129884U (en) |
-
2023
- 2023-06-21 CN CN202321593083.0U patent/CN220129884U/en active Active
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