CN210978153U - Hub bearing locking structure - Google Patents
Hub bearing locking structure Download PDFInfo
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- CN210978153U CN210978153U CN201921588599.XU CN201921588599U CN210978153U CN 210978153 U CN210978153 U CN 210978153U CN 201921588599 U CN201921588599 U CN 201921588599U CN 210978153 U CN210978153 U CN 210978153U
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- hub bearing
- locking
- nut
- clamping
- gasket
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Abstract
The hub bearing locking structure consists of a shaft head, an antifriction gasket, a locking nut, a locking piece cover, a clamping ring and a hub bearing. The utility model discloses a set up antifriction gasket between lock nut and wheel hub bearing, avoid the "fine motion" wearing and tearing between lock nut and the wheel hub bearing, guaranteed screw thread locking intensity to guarantee the life of wheel hub bearing; the anti-friction gasket is fixed through a milling flat structure on the matching diameter of the shaft head and the hub bearing outer bearing, so that the integrity of a thread structure is ensured, and the attenuation of thread torque is avoided; the locking plate cover clamping jaw and the anti-rotation of the anti-abrasion gasket clamping block are designed in a matched mode, the locking plate cover and the locking nut are prevented from rotating, and meanwhile the adjusting angle of the locking nut is guaranteed within a range of 5 degrees, so that the pre-tightening force of the hub bearing is controlled more accurately, and the service life of the hub bearing is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of car axle wheel limit structure, in particular to are novel hub bearing locking structure of axle.
Background
In the prior art, the wheel hub bearing locking device of car axle usually includes the locking plate in the lock nut and the lock nut outside, and the side of lock nut is equipped with 3 screw holes of equipartition, is equipped with the pinhole of a certain quantity on the locking plate, screws up the lock nut after, packs into the locking plate, makes locking plate pinhole and lock nut's screw hole one-to-one, and reuse combination bolt passes behind the pinhole and is connected with the screw hole cooperation, can lock wheel hub bearing.
As shown in FIG. 7, the structure of the traditional spindle nose is a schematic diagram, the structure needs to be provided with an anti-rotation fixture block on the locking plate, and meanwhile, the spindle nose is provided with a clamping groove, so that the locking plate does not rotate, the anti-rotation fixture block of the locking plate is aligned to the clamping groove of the spindle nose during assembly, the locking plate pin hole can not be aligned to the threaded hole of the locking nut completely, and meanwhile, the clamping groove is machined on the spindle nose, so that the thread integrity can be damaged, and the thread locking strength is reduced.
In addition, the locking nut of the structure is in direct contact with the hub bearing, the surface hardness of the locking nut is far less than that of the bearing, vibration and impact force can be generated during the running of an automobile, fretting abrasion is generated between the hub bearing and the locking nut, the pretightening force of the bearing is reduced or lost, and the service life of the hub bearing is shortened.
Disclosure of Invention
An object of the utility model is to the not enough of existence among the above-mentioned prior art, a novel hub bearing locking structure is provided, the utility model discloses a technical scheme do:
a hub bearing locking structure characterized in that: the anti-abrasion device comprises a shaft head, an anti-abrasion gasket, a locking nut, a locking piece cover, a clamping ring and a hub bearing, wherein a milling flat structure is arranged on the matching diameter of the shaft head and an outer bearing of the hub bearing, and a plane matched with the anti-abrasion gasket is arranged on the inner diameter of the anti-abrasion gasket, so that the anti-abrasion gasket is ensured not to rotate; meanwhile, a clamping block is arranged on the outer side of the antifriction washer, a locking piece cover is arranged on the outer side of the locking nut, a nut clamping groove with the same structure as that of a double offset ring spanner is arranged on the locking piece cover and matched with a hexagonal head of the locking nut, and a clamping jaw is arranged at the end part of the locking piece cover and matched with the clamping block on the outer side of the antifriction washer, so that the integral rotation of the locking piece cover and the locking nut is limited; the outer side of the locking plate cover is provided with a clamping ring, and the clamping ring is used for installing the outer side of the locking plate cover and limiting the axial movement of the locking plate cover.
Further, the locking piece cover is provided with 12 nut clamping grooves with the same structure as the double offset ring spanner, the number of the end clamping jaws is 13, one clamping jaw is aligned with the nut clamping groove, and therefore the adjusting angle of the locking nut is guaranteed within the range of 5 degrees.
Furthermore, the locking plate cover is provided with an identification hole, so that the locking plate cover is convenient to assemble and adjust for the position of assembly and adjustment.
Further, the hardness of the antifriction gasket is above 58 HRC.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a set up antifriction gasket between lock nut and wheel hub bearing, avoid the "fine motion" wearing and tearing between lock nut and the wheel hub bearing, guaranteed screw thread locking intensity to guarantee the life of wheel hub bearing; the anti-friction gasket is fixed through a milling flat structure on the matching diameter of the shaft head and the hub bearing outer bearing, so that the integrity of a thread structure is ensured, and the attenuation of thread torque is avoided; the locking plate cover clamping jaw and the anti-rotation of the anti-abrasion gasket clamping block are designed in a matched mode, the locking plate cover and the locking nut are prevented from rotating, and meanwhile the adjusting angle of the locking nut is guaranteed within a range of 5 degrees, so that the pre-tightening force of the hub bearing is controlled more accurately, and the service life of the hub bearing is guaranteed.
Drawings
Fig. 1 is a schematic view of a locking structure of a hub bearing according to the present invention.
Fig. 2 is a schematic view of the three-dimensional assembly of the hub bearing locking structure of the present invention.
Fig. 3 is a schematic view of the structure of the anti-friction gasket of the present invention.
Fig. 4 is a schematic view of the lock piece cover structure of the present invention.
Fig. 5 is a schematic view of the lock piece cover structure of the present invention.
Fig. 6 is a schematic view of the structure of the shaft head of the present invention.
Fig. 7 is a schematic view of a conventional stub shaft structure.
In the figure, a shaft head 1, an antifriction gasket 2, a lock nut 3, a locking plate cover 4, a clamping ring 5 and a hub bearing 6.
Detailed Description
The following describes in detail a specific embodiment of the present invention with reference to fig. 1.
As shown in fig. 1, the hub bearing locking structure is characterized in that: the anti-abrasion device comprises a shaft head 1, an anti-abrasion gasket 2, a locking nut 3, a locking plate cover 4, a clamping ring 5 and a hub bearing 6, wherein a milling flat structure 11 is arranged on the matching diameter of the shaft head 1 and the outer bearing of the hub bearing 6, and a plane 22 matched with the inner diameter of the anti-abrasion gasket 2 is arranged on the inner diameter of the anti-abrasion gasket 2, so that the anti-abrasion gasket 2 is ensured not to rotate; meanwhile, a clamping block 21 is arranged on the outer side of the antifriction washer 2, a locking piece cover 4 is arranged on the outer side of the locking nut 3, a nut clamping groove 42 with the same structure as that of a double offset ring spanner is arranged on the locking piece cover 4 and matched with a hexagonal head of the locking nut 3, a clamping jaw 41 is arranged at the end part of the locking piece cover 4, and the clamping jaw 41 is matched with the clamping block 21 on the outer side of the antifriction washer 2, so that the integral rotation of the locking piece cover 4 and the locking nut 3 is limited; the outer side of the locking piece cover 4 is provided with a clamping ring 5, and the clamping ring 5 is installed on the outer side of the locking piece cover 4 to limit the axial movement of the locking piece cover 4.
Further, as shown in fig. 4 and 5, 12 nut slots 42 having the same structure as that of a ring spanner are arranged on the locking piece cover 4, the number of the end jaws 41 is 13, and one of the jaws 41 is aligned with the nut slot 42, so that the adjustment angle of the locking nut 3 is within 5 °.
Furthermore, the lock piece cover 4 is provided with an identification hole 43, which is a position for assembly adjustment and facilitates the assembly adjustment.
Further, the hardness of the antifriction shim 2 is above 58 HRC.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A hub bearing locking structure characterized in that: it consists of a shaft head (1), an anti-friction gasket (2), a lock nut (3), a lock sheet cover (4), a snap ring (5) and a hub bearing (6), a flat milling structure (11) is arranged on the matching diameter of the shaft head (1) and the outer bearing of the hub bearing (6), the inner diameter of the antifriction gasket (2) is provided with a plane (22) matched with the antifriction gasket, meanwhile, a clamping block (21) is arranged on the outer side of the antifriction washer (2), a locking block cover (4) is arranged on the outer side of the locking nut (3), a nut clamping groove (42) with the same structure as the double offset ring spanner is arranged on the locking nut and is matched with the hexagonal head of the locking nut (3), meanwhile, the end part of the lock piece cover (4) is provided with a claw (41), the claw (41) is matched with a clamping block (21) at the outer side of the antifriction gasket (2), the outer side of the lock piece cover (4) is provided with a clamping ring (5), and the clamping ring (5) is arranged on the outer side of the lock piece cover (4).
2. A hub bearing locking arrangement according to claim 1, wherein: the lock piece cover (4) is provided with 12 nut clamping grooves (42) which have the same structure as the box spanner, the number of the end clamping jaws (41) is 13, one clamping jaw (41) is aligned with one nut clamping groove (42), and the adjusting angle of the locking nut (3) is within the range of 5 degrees.
3. A hub bearing locking arrangement according to claim 1, wherein: and the lock piece cover (4) is provided with an identification hole (43) for adjusting the position for assembly.
4. A hub bearing locking arrangement according to claim 1, wherein: the hardness of the antifriction gasket (2) is above 58 HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588599.XU CN210978153U (en) | 2019-09-24 | 2019-09-24 | Hub bearing locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588599.XU CN210978153U (en) | 2019-09-24 | 2019-09-24 | Hub bearing locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210978153U true CN210978153U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921588599.XU Active CN210978153U (en) | 2019-09-24 | 2019-09-24 | Hub bearing locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210978153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182933A (en) * | 2022-06-28 | 2022-10-14 | Bpw(梅州）车轴有限公司 | Novel fixed locking torque's spindle nose nut structure |
-
2019
- 2019-09-24 CN CN201921588599.XU patent/CN210978153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182933A (en) * | 2022-06-28 | 2022-10-14 | Bpw(梅州）车轴有限公司 | Novel fixed locking torque's spindle nose nut structure |
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