CN209875693U - Shaft head locking device and shaft head with same - Google Patents
Shaft head locking device and shaft head with same Download PDFInfo
- Publication number
- CN209875693U CN209875693U CN201920667907.1U CN201920667907U CN209875693U CN 209875693 U CN209875693 U CN 209875693U CN 201920667907 U CN201920667907 U CN 201920667907U CN 209875693 U CN209875693 U CN 209875693U
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- China
- Prior art keywords
- locking
- limiting
- shaft head
- nut
- locking nut
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- Expired - Fee Related
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Abstract
The utility model provides a shaft head locking device and a shaft head provided with the same, wherein the locking device comprises an inner locking nut and an outer locking nut, and an inner locking piece and an outer locking piece are arranged between the inner locking nut and the outer locking nut; the inner locking piece is used for locking the inner locking nut, and the outer locking piece is used for locking the outer locking nut. Locknut and outer locknut in setting up in locking device, outer locknut is provided with outer locking piece, and interior locknut is provided with interior locking piece, and interior locking piece and outer locking piece can prevent falling of interior locknut and outer locknut to solve the problem that locknut drops easily among the current locking device.
Description
Technical Field
The utility model relates to a spindle nose locking device and be equipped with device's spindle nose.
Background
At present, a wheel hub is used as an important bearing part of a whole vehicle running part of an automobile, is one of important parts influencing the performance safety of the whole vehicle, and not only needs to bear loads (including dead load and load of passengers and goods) in the vertical direction of the vehicle in a static state, but also needs to bear irregular stress generated by various dynamic loads such as starting, braking, turning, wind resistance, stone impact, uneven road surface and the like in running.
The transverse and longitudinal loads are generated in the driving process of the automobile, meanwhile, along with the driving torque, the braking torque and the like, the hub needs to bear a part of loads, the requirements on the hub are higher as the driving speed of the automobile is higher, so that the requirements on the hub for small longitudinal and transverse runout, small balance amount and inertia torque, high rigidity and strength and the like are met, and a locking device needs to be arranged on an axle to lock the hub at the axle head.
The locking device in the prior art generally adopts a single locking nut and a brake pad for locking, and the locking device easily causes the locking nut to be loosened when an automobile runs in bump, so that wheels are loosened, and the running safety of the automobile is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shaft head with a locking device, which solves the problem that a locking nut in the prior locking device is easy to fall off; in order to solve the technical problem, the utility model also provides a spindle nose locking device.
A shaft head with a locking device comprises a shaft head body and the locking device, wherein the shaft head body is arranged in a through hole of a roller bearing;
the locking device comprises an inner locking nut and an outer locking nut, and an inner locking piece and an outer locking piece are arranged between the inner locking nut and the outer locking nut; the inner locking piece is used for locking the inner locking nut, and the outer locking piece is used for locking the outer locking nut.
Furthermore, the shaft head body is provided with a limiting groove, the outer locking piece comprises a locking washer, and a first bulge matched with the limiting groove is arranged in a through hole of the locking washer; and a second bulge is arranged outside the locking washer and used for limiting the external locking nut after being bent.
Furthermore, a plurality of second bulges are uniformly distributed on the outer part of the locking washer.
Furthermore, the shaft head body is provided with a limiting groove, the inner locking piece comprises a braking gasket, and a first limiting bulge matched with the limiting groove is arranged in a through hole of the braking gasket; the inner locking nut is provided with a second limiting protrusion, the brake washer is provided with a limiting hole, and the second limiting protrusion is matched with the limiting hole and used for limiting the inner locking nut.
Furthermore, a plurality of limiting holes are uniformly distributed on the brake gasket.
A shaft head locking device comprises an inner locking nut and an outer locking nut, wherein an inner locking piece and an outer locking piece are arranged between the inner locking nut and the outer locking nut; the inner locking piece is used for locking the inner locking nut, and the outer locking piece is used for locking the outer locking nut.
Further, the outer locking piece comprises a locking washer, and a first bulge matched with the limiting groove is arranged in the through hole of the locking washer; and a second bulge is arranged outside the locking washer and used for limiting the external locking nut after being bent.
Furthermore, a plurality of second bulges are uniformly distributed on the outer part of the locking washer.
Furthermore, the shaft head body is provided with a limiting groove, the inner locking piece comprises a braking gasket, and a first limiting bulge matched with the limiting groove is arranged in a through hole of the braking gasket; the inner locking nut is provided with a second limiting protrusion, the brake washer is provided with a limiting hole, and the second limiting protrusion is matched with the limiting hole and used for limiting the inner locking nut.
Furthermore, a plurality of limiting holes are uniformly distributed on the brake gasket.
The utility model has the advantages that: locknut and outer locknut in setting up in locking device, outer locknut is provided with outer locking piece, and interior locknut is provided with interior locking piece, and interior locking piece and outer locking piece can prevent falling of interior locknut and outer locknut to solve the problem that locknut drops easily among the current locking device.
Drawings
FIG. 1 is a schematic structural diagram of a shaft head with a locking device in an embodiment of the shaft head of the present invention;
FIG. 2 is a left side view of an inner locking nut in an embodiment of the head of the present invention;
FIG. 3 is a front view of an inner locking nut in an embodiment of the head of the present invention;
FIG. 4 is a front view of a brake washer in an embodiment of the head of the present invention;
fig. 5 is a front view of a lock washer in an embodiment of the head of the present invention.
Detailed Description
The embodiment of the shaft head is as follows:
the embodiment provides a shaft head provided with a locking device, which comprises the locking device, a tapered roller bearing and a shaft head; the locking device is structurally shown in figure 1 and comprises an outer locking nut 1, a locking washer 2, a brake washer 3 and an inner locking nut 4. In the figure 1, 5 is a tapered roller bearing, 6 is a shaft head, and the outer locking nut 1, the locking washer 2, the brake washer 3 and the inner locking nut 4 are all provided with through holes.
The inner hole of the tapered roller bearing 5 is arranged on the shaft head 6, the shaft head 6 is provided with threads and a rectangular groove 61, and the extending direction of the rectangular groove 61 is the same as the extending direction of the shaft head 6.
The edge of interior lock nut 4 is provided with first spacing arch 41, and first spacing arch 41 is cylindrical, and the direction that its axis extends is parallel with the direction that interior lock nut 4 through-hole axis extends, as shown in fig. 2 and 3 to be provided with the screw thread on the inner wall of interior lock nut 4 through-hole, screw thread and spindle nose 6 on the inner wall of interior lock nut 4 pass through threaded connection.
The brake washer 3 is a circular thin plate, as shown in fig. 4, a limiting hole 32 is formed in the brake washer 3, the diameter of the limiting hole 32 is larger than that of the first limiting protrusion 41, the limiting hole 32 and the first limiting protrusion 41 are matched with each other, and the first limiting protrusion 41 can be inserted into the limiting hole 32; the inner wall of the through hole of the brake washer 3 is provided with a second limiting bulge 31, the second limiting bulge 31 is a rectangular bulge and is matched with the rectangular groove 61 on the shaft head 6, and the second limiting bulge 31 can be arranged in the rectangular groove 61.
A third limiting protrusion 21 is arranged outside the lock washer 2, and a fourth limiting protrusion 22 is arranged on the inner wall of the through hole, as shown in fig. 5, the third limiting protrusion 22 and the fourth limiting protrusion 21 are both rectangular protrusions. The fourth rectangular protrusion 22 is matched with the rectangular groove 61 on the shaft head 6, and the fourth rectangular protrusion 22 can be arranged in the rectangular groove 61.
The spindle nose that is equipped with locking device that this embodiment provided, its locking device's theory of operation does:
the thread in the through hole of the inner locking nut 4 is connected with the shaft head 6 through the thread;
sleeving the brake gasket 3 on the shaft head 6, arranging the first limiting bulge 41 in the rectangular groove 61 of the shaft head 6, sleeving one limiting hole 31 on the first limiting bulge 41, and matching the second limiting bulge 31 with the rectangular groove 31 to limit the brake gasket 3; the round hole 31 is matched with the first limiting bulge 41 to limit the inner locking nut 4;
the locking washer 2 is sleeved on the shaft head 6, the fourth rectangular bulge 22 of the locking washer is arranged in the rectangular groove 61 of the shaft head 6, and the outer locking nut 1 is connected with the shaft head 6 through threads; the fourth bulge 22 is matched with the rectangular groove 61 of the shaft head 6 to limit the locking washer 2; and bending one of the third rectangular protrusions 21 on the locking washer 2, matching with the ridge on the outer locking nut 1, and limiting the outer locking nut 1.
The embodiment of the device is as follows:
the present embodiment provides a spindle head locking device, which has the same structure as the locking device in the above-mentioned spindle head embodiment, and the locking device has been described in detail in the above-mentioned spindle head embodiment, and will not be described more here.
Claims (10)
1. A shaft head with a locking device comprises a shaft head body and the locking device, wherein the shaft head body is arranged in a through hole of a roller bearing;
the locking device is characterized by comprising an inner locking nut and an outer locking nut, wherein an inner locking piece and an outer locking piece are arranged between the inner locking nut and the outer locking nut; the inner locking piece is used for locking the inner locking nut, and the outer locking piece is used for locking the outer locking nut.
2. The spindle head with the locking device according to claim 1, characterized in that the spindle head body is provided with a limiting groove, the outer locking member comprises a locking washer, and the through hole of the locking washer is provided with a first protrusion for being matched with the limiting groove; and a second bulge is arranged outside the locking washer and used for limiting the external locking nut after being bent.
3. The locking device provided shaft head according to claim 2, characterized in that a plurality of second bulges are uniformly distributed on the outer part of the locking washer.
4. The shaft head with the locking device according to claim 1, characterized in that the shaft head body is provided with a limiting groove, the inner locking member comprises a brake gasket, and the through hole of the brake gasket is provided with a first limiting bulge for being matched with the limiting groove; the inner locking nut is provided with a second limiting protrusion, the brake washer is provided with a limiting hole, and the second limiting protrusion is matched with the limiting hole and used for limiting the inner locking nut.
5. The spindle head with the locking device according to claim 4, characterized in that a plurality of limiting holes are uniformly distributed on the brake washer.
6. A shaft head locking device is characterized by comprising an inner locking nut and an outer locking nut, wherein an inner locking piece and an outer locking piece are arranged between the inner locking nut and the outer locking nut; the inner locking piece is used for locking the inner locking nut, and the outer locking piece is used for locking the outer locking nut.
7. The locking device of a shaft head according to claim 6, characterized in that the outer locking member comprises a locking washer, the through hole of which is provided with a first protrusion for engaging with the limiting groove; and a second bulge is arranged outside the locking washer and used for limiting the external locking nut after being bent.
8. The locking device of claim 7, wherein a plurality of second protrusions are uniformly distributed on the outer portion of the locking washer.
9. The locking device for the shaft head according to claim 6, characterized in that the shaft head body is provided with a limiting groove, the inner locking member comprises a brake gasket, and the through hole of the brake gasket is provided with a first limiting bulge for being matched with the limiting groove; the inner locking nut is provided with a second limiting protrusion, the brake washer is provided with a limiting hole, and the second limiting protrusion is matched with the limiting hole and used for limiting the inner locking nut.
10. The locking device for the gudgeon of claim 9, characterized in that a plurality of limiting holes are uniformly distributed on the brake washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667907.1U CN209875693U (en) | 2019-05-10 | 2019-05-10 | Shaft head locking device and shaft head with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920667907.1U CN209875693U (en) | 2019-05-10 | 2019-05-10 | Shaft head locking device and shaft head with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875693U true CN209875693U (en) | 2019-12-31 |
Family
ID=68964625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920667907.1U Expired - Fee Related CN209875693U (en) | 2019-05-10 | 2019-05-10 | Shaft head locking device and shaft head with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121299A1 (en) * | 2020-12-09 | 2022-06-16 | 中车太原机车车辆有限公司 | Three-stage tilting air cylinder and tilting vehicle |
-
2019
- 2019-05-10 CN CN201920667907.1U patent/CN209875693U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121299A1 (en) * | 2020-12-09 | 2022-06-16 | 中车太原机车车辆有限公司 | Three-stage tilting air cylinder and tilting vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |