CN218267154U - Sealed dustproof construction of transfer case output shaft - Google Patents
Sealed dustproof construction of transfer case output shaft Download PDFInfo
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- CN218267154U CN218267154U CN202221986640.0U CN202221986640U CN218267154U CN 218267154 U CN218267154 U CN 218267154U CN 202221986640 U CN202221986640 U CN 202221986640U CN 218267154 U CN218267154 U CN 218267154U
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- output shaft
- output
- oil seal
- locking nut
- connecting disc
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Abstract
The utility model relates to a sealed dustproof construction of transfer case output shaft belongs to car transfer case equipment technical field. The technical scheme is as follows: the anti-theft device comprises an output shaft (1), a locking nut (2), a locking nut gasket (3), an output flange (4), an O-shaped ring (5), a dust cover (6), an oil seal (7), a shell (8) and a bearing (9), wherein the output shaft (1) is rotatably arranged on the shell (8) through the bearing (9), the oil seal is pressed on the shell, and the output shaft (1) penetrates through the oil seal (7); the dust cover (6) is pressed on the output connecting disc (4), the output connecting disc (4) is connected with the output shaft (1) through a spline, and the output connecting disc (4) is in interference fit with the oil seal (7); an O-shaped ring (5) is sleeved on the step surface of the output shaft, a locking nut (2) is connected with the output shaft (1) through threads, and a locking nut gasket (3) is tightly sleeved on the output shaft in a pressing mode. The beneficial effects of the utility model are that: realize sealed dustproof of transfer case output shaft.
Description
Technical Field
The utility model relates to a sealed dustproof construction of transfer case output shaft belongs to car transfer case equipment technical field.
Background
An output shaft of the transfer case is connected with an output connecting disc, the inner part of the output connecting disc of the traditional transfer case is matched and sealed with the output shaft by a rubber ring, and the outer part of the output connecting disc is matched and sealed with an oil seal; the rubber ring is sealed, the precision requirement on the rubber ring is high, the rubber ring is not easy to assemble, the output flange is externally sealed by an oil seal, the rubber ring is directly contacted with an external environment, dust and sewage are easily contaminated in a severe working environment, and the oil seal is damaged to cause the oil leakage problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sealed dustproof construction of transfer case output shaft can realize the sealed dustproof of transfer case output shaft, solves the problem that exists among the background art.
The technical scheme of the utility model is that:
a sealed dustproof structure of an output shaft of a transfer case comprises an output shaft, a locking nut gasket, an output connecting disc, an O-shaped ring, a dustproof cover, an oil seal, a shell and a bearing, wherein the output shaft is rotatably arranged on the shell through the bearing, the oil seal is pressed on the shell, and the output shaft penetrates through the oil seal; the dust cover is pressed on the output connecting disc, the output connecting disc is connected with the output shaft through a spline, and the output connecting disc is in interference fit with the oil seal; the O-shaped ring is sleeved on the step surface of the output shaft, the locking nut is connected with the output shaft through threads, and the locking nut gasket is tightly pressed and sleeved on the output shaft.
The oil seal is in interference fit with the output flange.
And the end face of the oil seal is also provided with a whole dust lip in interference fit with the dust cover.
The inner ring of the O-shaped ring is in contact with the output shaft, and the outer ring of the O-shaped ring is in contact with the output connecting disc.
The utility model has the advantages that: when the locking nut is screwed down, the locking nut gasket is extruded, the locking nut gasket extrudes the O-shaped ring, so that the O-shaped ring is deformed, the inner ring of the O-shaped ring is contacted with the output shaft, and the outer ring of the O-shaped ring is contacted with the output connecting disc, so that the output shaft is sealed; besides the oil seal is in interference fit with the output connecting disc to realize sealing, the end face of the oil seal is also provided with a whole circle of dust-proof lip which is in interference fit with a dust-proof cover to realize isolation from an external environment, so that sealing and dust prevention are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial view of the internal O-ring seal of the present invention;
FIG. 3 is a partial view of the outer dust lip seal of the present invention;
fig. 4 is a cross-sectional view of the oil seal of the present invention;
in the figure: the device comprises an output shaft 1, a locking nut 2, a locking nut gasket 3, an output flange 4, an O-shaped ring 5, a dustproof cover 6, an oil seal 7, a shell 8 and a bearing 9.
Detailed Description
The invention will be further described by way of example with reference to the accompanying drawings.
Referring to the attached drawings 1-4, the dustproof structure for the output shaft seal of the transfer case comprises an output shaft 1, a locking nut 2, a locking nut gasket 3, an output flange 4, an O-shaped ring 5, a dustproof cover 6, an oil seal 7, a case 8 and a bearing 9, wherein the output shaft 1 is rotatably installed on the case 8 through the bearing 9, the oil seal 7 is pressed on the case 8, and the output shaft 1 penetrates through the oil seal 7; the dust cover 6 is pressed on the output connecting disc 4, the output connecting disc 4 is connected with the output shaft 1 through a spline, and the output connecting disc 4 is in interference fit with the oil seal 7; the O-shaped ring 5 is sleeved on the step surface of the output shaft 1, the locking nut 2 is connected with the output shaft 1 through threads, and the locking nut gasket 3 is tightly pressed and sleeved on the output shaft 1.
In this example, referring to fig. 1, the output shaft 1 is rotatably mounted on the housing 8 through a bearing 9, the output shaft 1 can rotate relative to the housing 8, the oil seal 7 is pressed on the housing 8, and the output shaft 1 penetrates through the oil seal 7; the dust cover 6 is pressed on the output flange 4, the output flange 4 is connected with the output shaft 1 through a spline, and the output flange 4 is in interference fit with the oil seal 7; the O-shaped ring 5 is sleeved on the step surface of the output shaft 1, the surface of the O-shaped ring is higher than the step surface of the inner cavity of the output flange 4, the locking nut 2 is connected with the output shaft 1 through threads, and is tightly pressed and sleeved on the locking nut gasket 3 on the output shaft 1, so that the output flange 4 and the output shaft 1 are relatively fixed.
Referring to the attached drawing 2, when the locking nut 2 is screwed down, the locking nut gasket 3 is extruded, the locking nut gasket 3 extrudes the O-shaped ring 5, so that the O-shaped ring 5 is deformed, the inner ring of the O-shaped ring 5 is contacted with the output shaft 1, and the outer ring of the O-shaped ring 5 is contacted with the output connecting disc 4, so that the sealing of the output shaft 1 is realized;
referring to the attached figures 3 and 4, besides the oil seal 7 is in interference fit with the output flange 4 to realize sealing, the end face of the oil seal is also provided with a whole circle of dust-proof lip which is in interference fit with the inner cavity of the dust cover 6 to realize isolation from the external environment, so that sealing and dust prevention are realized.
Claims (4)
1. The utility model provides a sealed dustproof construction of transfer case output shaft which characterized in that: the anti-theft device comprises an output shaft (1), a locking nut (2), a locking nut gasket (3), an output flange (4), an O-shaped ring (5), a dust cover (6), an oil seal (7), a shell (8) and a bearing (9), wherein the output shaft (1) is rotatably arranged on the shell (8) through the bearing (9), the oil seal (7) is pressed on the shell (8), and the output shaft (1) penetrates through the oil seal (7); the dust cover (6) is pressed on the output connecting disc (4), the output connecting disc (4) is connected with the output shaft (1) through a spline, and the output connecting disc (4) is in interference fit with the oil seal (7); the O-shaped ring (5) is sleeved on the step surface of the output shaft (1), the locking nut (2) is connected with the output shaft (1) through threads, and the locking nut gasket (3) is tightly pressed and sleeved on the output shaft (1).
2. The power divider output shaft sealing dustproof structure according to claim 1, characterized in that: the oil seal (7) is in interference fit with the output flange (4).
3. The power divider output shaft sealing dustproof structure according to claim 2, characterized in that: the end face of the oil seal (7) is also provided with a whole circle of dust-proof lip in interference fit with the dust-proof cover (6).
4. The power divider output shaft sealing dustproof structure according to claim 1 or 2, characterized in that: the inner ring of the O-shaped ring (5) is in contact with the output shaft (1), and the outer ring of the O-shaped ring (5) is in contact with the output connecting disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221986640.0U CN218267154U (en) | 2022-07-29 | 2022-07-29 | Sealed dustproof construction of transfer case output shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221986640.0U CN218267154U (en) | 2022-07-29 | 2022-07-29 | Sealed dustproof construction of transfer case output shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267154U true CN218267154U (en) | 2023-01-10 |
Family
ID=84763043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221986640.0U Active CN218267154U (en) | 2022-07-29 | 2022-07-29 | Sealed dustproof construction of transfer case output shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267154U (en) |
-
2022
- 2022-07-29 CN CN202221986640.0U patent/CN218267154U/en active Active
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