CN211662998U - Through shaft assembly - Google Patents
Through shaft assembly Download PDFInfo
- Publication number
- CN211662998U CN211662998U CN201922144792.0U CN201922144792U CN211662998U CN 211662998 U CN211662998 U CN 211662998U CN 201922144792 U CN201922144792 U CN 201922144792U CN 211662998 U CN211662998 U CN 211662998U
- Authority
- CN
- China
- Prior art keywords
- shaft
- adjusting ring
- assembly
- bearing
- oil seal
- 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.)
- Active
Links
Images
Landscapes
- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model provides a through shaft assembly, which belongs to the field of automobile axles, a split structure is adopted between the existing bearing and an adjusting ring, a threaded connection is adopted between the adjusting ring and an axle housing, a through shaft oil seal is installed on the adjusting ring, and the failure of oil leakage of the through shaft oil seal is caused due to the lack of radial limit of the adjusting ring; and meanwhile, the processing cost of the adjusting ring and the bearing assembly structure is reduced.
Description
Technical Field
The utility model belongs to car axle field, concretely relates to link up an assembly for axle assembly.
Background
In a domestic automobile through drive axle, a through shaft bearing is axially fixed by adopting an adjusting ring structure, the adjusting ring is in threaded connection with an axle housing, a through shaft oil seal is arranged on the adjusting ring, and the oil leakage failure of the through shaft oil seal is caused due to the lack of radial limit of the adjusting ring; and a split structure is adopted between the bearing and the adjusting ring, so that the processing cost is increased.
Disclosure of Invention
The utility model aims to solve the problems that in the existing through drive axle, due to the adoption of an adjusting ring structure for axially fixing the through shaft bearing and the adoption of threaded connection between the adjusting ring and the axle housing, the radial deviation between the adjusting ring and the axle housing is large, and the oil seal leaks oil; because the split structure is adopted between the adjusting ring and the bearing, the problems of increased processing cost and the like are caused, and the through shaft assembly structure is provided, so that the sealing reliability is improved, and the processing cost is reduced.
The utility model discloses an adopt following technical scheme to realize:
the through shaft assembly 10 is composed of a through shaft 1, a dust cover 2, an oil seal 3, an adjusting ring and bearing assembly 4, a locking plate 5 and a locking nut 6, wherein the upper end of the adjusting ring and bearing assembly 4 is a ball bearing, the outer ring of the ball bearing extends downwards to form an annular adjusting ring structure, the through shaft 1 adopts a stepped shaft structure, the ball bearing at the upper end of the adjusting ring and bearing assembly 4 is arranged on a shaft shoulder, the oil seal 3 is arranged in the circular ring of the adjusting ring and bearing assembly 4, the sealing lip of the oil seal 3 is matched with the shaft diameter of the through shaft 1, and the dust lip below the oil seal 3 is matched with the dust cover 2 to form sealing; locking plate 5 is installed to the up end of adjusting ring and bearing assembly 4, and lock nut 6 is installed in locking plate 5 top, and through threaded connection between lock nut 6 and the through shaft 1, a plurality of recesses are distributed according to the circumference to lock nut 6, and the dogtooth of buckling locking plate 5 locks with lock nut 6's distribution recess cooperation.
The outer side of the adjusting ring and bearing assembly 4 is provided with an external thread structure which is used for matching with a threaded hole of the axle housing assembly 7; the locking plate 5 is fixedly mounted on the axle housing assembly 7 through bolts 9.
Compared with the prior art, the beneficial effects of the utility model are that:
the through shaft bearing and the adjusting ring are integrated into a whole, compared with the original split structure, the shaft diameter of the through shaft bearing plays a role in radially positioning the thread diameter, the radial deviation of thread fit is effectively prevented, the sealing reliability of the through shaft oil seal is improved, and the failure of oil leakage is reduced; and meanwhile, the processing cost of the adjusting ring and the bearing assembly structure is reduced.
Drawings
Fig. 1a is a cross-sectional view of a through axle assembly structure, which is an application position of the through axle assembly structure according to the present invention;
fig. 1b is a side view of a through axle assembly in an application position of the through axle assembly structure according to the present invention;
fig. 2 is a sectional view of a through shaft assembly of the through shaft assembly structure of the present invention;
fig. 3 is a sectional view of an adjusting ring and a bearing assembly of a through shaft assembly structure according to the present invention;
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings.
In the embodiment, the through shaft assembly 10 is composed of a through shaft 1, a dust cover 2, an oil seal 3, an adjusting ring and bearing assembly 4, a locking plate 5 and a locking nut 6, wherein the upper end of the adjusting ring and bearing assembly 4 is a ball bearing, the outer ring of the ball bearing extends downwards to form an annular adjusting ring structure, the through shaft 1 adopts a stepped shaft structure, the ball bearing at the upper end of the adjusting ring and bearing assembly 4 is arranged on a shaft shoulder, the oil seal 3 is arranged in the circular ring of the adjusting ring and bearing assembly 4, a sealing lip of the oil seal 3 is matched with the shaft diameter of the through shaft 1, and a dust lip below the oil seal 3 is matched with the dust cover 2 to form a seal; locking plate 5 is installed to the up end of adjusting ring and bearing assembly 4, and lock nut 6 is installed in locking plate 5 top, and through threaded connection between lock nut 6 and the through shaft 1, a plurality of recesses are distributed according to the circumference to lock nut 6, and the dogtooth of buckling locking plate 5 locks with lock nut 6's distribution recess cooperation.
The outer side of the adjusting ring and bearing assembly 4 is provided with an external thread structure which is used for matching with a threaded hole of the axle housing assembly 7; the locking plate 5 is fixedly mounted on the axle housing assembly 7 through bolts 9.
As shown in fig. 1a and 1b, when the axle housing assembly is installed, the external threads of the adjusting ring and the bearing assembly 4 in the through axle assembly 10 are screwed into the threaded hole of the axle housing assembly 7 and are screwed, and meanwhile, the diameter of the bearing of the adjusting ring and the bearing assembly 4 in the through axle assembly 10 is matched with the round hole of the axle housing assembly 7, and the end faces are attached; the convex teeth of the locking plate 5 are matched with the distribution grooves of the adjusting ring and the bearing assembly 4, and the locking plate 5 is fixed on the axle housing assembly 7 by adopting a combination bolt 9.
As shown in fig. 2, the circular hole of the dust cover 2 is pressed into the shaft diameter of the through shaft 1, and the end surface is limited; the shaft diameter of the oil seal 3 is pressed into round holes of the adjusting ring and the bearing assembly 4; the bearing hole of the adjusting ring and the bearing assembly 4 is arranged in the shaft diameter of the through shaft 1, and the end surface is limited; meanwhile, the sealing lip of the oil seal 3 is matched with the shaft diameter of the through shaft 1, and the dustproof lip of the oil seal 3 is matched with the dustproof cover 2; the round hole of the locking plate 5 is arranged in the shaft diameter of the through shaft 1, and the end surface is attached to the adjusting ring and the bearing assembly 4; the locking nut 6 is screwed in the diameter of the thread of the through shaft 1 and is screwed tightly, and the convex teeth of the bent locking plate 5 are matched with the distributed grooves of the locking nut 6.
As shown in fig. 3, the adjusting ring and bearing assembly 4 adopts a small shaft diameter structure and is matched with the through shaft 1; a large-shaft-diameter structure is adopted to be matched with the oil seal 3; a bearing diameter structure is adopted to be matched with the end face of the axle housing assembly 7; a thread diameter structure is adopted and is in thread fit with the axle housing assembly 7; the end face distribution groove structure is adopted to be matched with the locking plate 5.
Claims (3)
1. The through shaft assembly is characterized by comprising a through shaft (1), a dust cover (2), an oil seal (3), an adjusting ring and bearing assembly (4), a locking plate (5) and a locking nut (6), wherein the upper end of the adjusting ring and bearing assembly (4) is provided with a ball bearing, the outer ring of the ball bearing extends downwards to form a circular adjusting ring structure, the through shaft (1) adopts a stepped shaft structure, the ball bearing at the upper end of the adjusting ring and bearing assembly (4) is arranged on a shaft shoulder, the oil seal (3) is arranged in the circular ring of the adjusting ring and bearing assembly (4), a sealing lip of the oil seal (3) is matched with the shaft diameter of the through shaft (1), and a dust lip below the oil seal (3) is matched with the dust cover (2) to form sealing; locking plate (5) is installed to adjusting ring and bearing assembly (4) up end, and lock nut (6) are installed in locking plate (5) top, and through threaded connection between lock nut (6) and link up axle (1), a plurality of recesses are distributed according to the circumference in lock nut (6), buckle the dogtooth of locking plate (5) and the distribution recess cooperation locking of lock nut (6).
2. A through-shaft assembly according to claim 1, characterised in that the outer side of the adjustment ring and bearing assembly (4) is provided with an external thread arrangement for engagement with a threaded bore in the axle housing assembly (7).
3. A through-axle assembly according to claim 1, characterised in that the locking plate (5) is fixedly mounted to the axle housing assembly (7) by means of bolts (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922144792.0U CN211662998U (en) | 2019-12-04 | 2019-12-04 | Through shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922144792.0U CN211662998U (en) | 2019-12-04 | 2019-12-04 | Through shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211662998U true CN211662998U (en) | 2020-10-13 |
Family
ID=72733360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922144792.0U Active CN211662998U (en) | 2019-12-04 | 2019-12-04 | Through shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211662998U (en) |
-
2019
- 2019-12-04 CN CN201922144792.0U patent/CN211662998U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220275836A1 (en) | Fixing structure for auxiliary bearing of electric drive assembly and electric drive assembly | |
| CN211662998U (en) | Through shaft assembly | |
| CN201531267U (en) | Bearing mounting device of cutting spindle extension portion | |
| CN202089136U (en) | Track roller special for tapered roller bearing floating sealing type tracked chassis | |
| CN105333019B (en) | Bearing assembly structure | |
| CN211693466U (en) | Hub reduction gear end cover | |
| CN219487600U (en) | Thrust wheel, fine tuning, sealing, oiling device, tool, excavator and tank | |
| CN204610558U (en) | A kind of two flange linear bearing assembly | |
| CN215334304U (en) | Press-riveting fixed anti-loosening speed reducer cantilever type planetary gear shaft | |
| CN214146264U (en) | Bolt type curve roller bearing | |
| CN219119553U (en) | Anti-loosening structure for connection of piston rod and earring of hydraulic cylinder | |
| CN212148260U (en) | Lightweight through shaft assembly structure | |
| CN108105272B (en) | Locking type coupling | |
| CN210290675U (en) | Driving bevel gear assembly sealing structure | |
| CN210502107U (en) | Double-oil-seal sealing structure on outer side of hub | |
| CN213973453U (en) | Wheel hub assembly and disassembly and assembly structure thereof | |
| CN111271461A (en) | Input end locking and sealing structure of through shaft | |
| CN209920934U (en) | Hub locking and sealing structure of bearing axle | |
| CN219446642U (en) | Axle head structure of axle assembly and axle assembly | |
| CN210715608U (en) | Hub bearing fastening structure | |
| CN220488230U (en) | Novel multifunctional ABS gear ring assembly structure | |
| CN214523179U (en) | Automobile hub | |
| CN212177933U (en) | Forced sealing structure of ball valve | |
| CN212499736U (en) | Through shaft assembly structure | |
| CN221074935U (en) | Round nut locking device for planetary reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |