CN206159486U - Wheel hub oil sealing device of electric traction car - Google Patents
Wheel hub oil sealing device of electric traction car Download PDFInfo
- Publication number
- CN206159486U CN206159486U CN201621215045.1U CN201621215045U CN206159486U CN 206159486 U CN206159486 U CN 206159486U CN 201621215045 U CN201621215045 U CN 201621215045U CN 206159486 U CN206159486 U CN 206159486U
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- wheel hub
- oil seal
- lateral wall
- hub
- wall
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Abstract
The utility model discloses a wheel hub oil sealing device of electric traction car, including wheel hub, wheel hub is last through bolt fixedly connected with brake hub, and the middle part lateral wall of bridge axle has a circular protuberance, and the stopper passes through bolt fixed connection in circular protuberance, and brake hub and stopper cooperate, the outer joint axial region plug bush of bridge axle is in wheel hub, and the lateral wall of outer joint axial region passes through the bearing and articulates on wheel hub's inside wall, and the semi -axis plug bush is in the center bore of outer joint axial region, and the inner lateral wall plug bush of outer joint axial region and card are put on the inside wall of back oil blanket, and the lateral wall elasticity of back oil blanket presses on the inside wall of wheel hub's rear portion, be fixed with the bush through interference fit on the outer end inside wall of outer joint axial region. It is through installing preceding oil blanket on the bush, and bush interference fit fixes on the lateral wall of the outer joint axial region of bridge axle to not can with semi -axis direct contact, make in installation during the semi -axis, the sealing edge of oil blanket is not damaged before can not making.
Description
Technical field：
The utility model is related to hub unit technical field, more specifically to a kind of hub oil seal of electrically propelled traction vehicle
Device.
Background technology：
As shown in figure 1, the hub portion structure of electrically propelled traction vehicle, mainly by semiaxis 1, wheel hub 4, brake hub 5, bridge axle 3, system
The grade of dynamic device 6 part is constituted, and the driving function that power realizes driving wheel of vehicle is transmitted by semiaxis 1, by brake 6, brake hub 5
To realize braking and the parking function of vehicle.
Hub oil seal 2 general at present is directly installed in bridge axle 3, to prevent inside drive axle using upper figure mode
Fluid is flow on brake 6 by wheel hub 4, affects braking and the parking performance of vehicle.At present, in the machining axis body of semiaxis 1
During part, using rough turn processing, cause the defects such as the axis body poor or even jagged, overlap of part surface roughness, install half
During axle 1, the lip of the oil sealing 2 of wheel hub is easily destroyed, causes the service life of oil sealing 2 to decline, the oil leakage phenomenon of oil sealing 2 occur.Seriously
When may further result in vehicle braking effect decline.
Utility model content：
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of hub oil seal dress of electrically propelled traction vehicle
Put,, by the way that Front oil seal is arranged on bushing, bushing interference fit is fixed on the lateral wall of outer connection axle portion of bridge axle for it, place
In hub interior, so as to will not be with semiaxis directly contact so that when semiaxis is installed, the seal lip that will not make Front oil seal is broken
Damage, improve the working life of Front oil seal, final guarantee drive axle inside fluid will not flow at brake processed, the vehicle of increase
Brake safe performance.
The utility model solves the scheme of the technical problem：
A kind of hub oil seal device of electrically propelled traction vehicle, including wheel hub, have been bolted to connection brake hub on wheel hub,
The middle part lateral wall of bridge axle has annular relief, and brake is bolted to connection in annular relief, brake hub with
Brake is engaged, and in wheel hub, the lateral wall of outer connection axle portion passes through bearing hinge connection to the outer connection axle portion sleeve of the bridge axle
On the madial wall of wheel hub, semiaxis sleeve connects outside in the central shaft hole of axle portion, the inner lateral wall sleeve of outer connection axle portion
And holding is on the madial wall of Rear oil seal, the lateral wall elasticity of Rear oil seal is pressed against on the posterior medial wall of wheel hub；
Bushing is fixed with by interference fit on the outer end madial wall of the outer connection axle portion, the lateral wall sleeve of bushing is simultaneously
On the madial wall of Front oil seal, the lateral wall elasticity of Front oil seal is pressed against on the front inner wall of wheel hub for holding.
The lateral wall of the outer connection axle portion passes through two bearing hinge connections on the madial wall of wheel hub, between two bearings
There is convex annular looping, convex annular looping is clamped between the outer ring of two bearings on the madial wall of wheel hub.
Collar stop is bolted with the outer end lateral wall of the outer connection axle portion, bushing is clamped in the rear end face of collar stop
And the front end face of the inner ring of anterior bearing between.
The inner lateral wall of the outer connection axle portion has the raised circle of annular, the rear end face pressure of the inner ring of the bearing at rear portion
Lean against on the front end face of the raised circle of annular.
The Front oil seal is identical with Rear oil seal structure, and its lateral wall elasticity is pressed against on the madial wall of wheel hub, Front oil seal and
There is dust excluder lips and seal lip, the dust excluder lips and seal lip elasticity of Front oil seal are pressed against bushing on the madial wall of Rear oil seal
On lateral wall, the dust excluder lips and seal lip elasticity of Rear oil seal are pressed against on the lateral wall of the raised circle of annular.
Prominent effect of the present utility model is：
Compared with prior art, it is by the way that by Front oil seal, on bushing, bushing interference fit is fixed on the outer of bridge axle
On the lateral wall of connection axle portion, in hub interior, so as to will not be with semiaxis directly contact so that when semiaxis is installed, will not
Make the seal lip of Front oil seal damaged, improve the working life of Front oil seal, it is final to ensure that drive axle inside fluid flow system
At brake, the brake safe performance of the vehicle of increase.
Description of the drawings：
Fig. 1 is the partial structural diagram of existing apparatus；
Fig. 2 is partial structural diagram of the present utility model.
Specific embodiment：
Embodiment, is shown in the hub oil seal device as shown in Fig. 2 a kind of electrically propelled traction vehicle, including wheel hub 10, leads on wheel hub 10
Cross bolt and be fixedly connected with brake hub 11, the middle part lateral wall of bridge axle 12 has annular relief 121, and brake 13 passes through bolt
In being fixedly connected on annular relief 121, brake hub 11 is engaged with brake 13, the outer connection axle portion 122 of the bridge axle 12
In wheel hub 10, the outer lateral wall for connecting axle portion 122 passes through bearing hinge connection on the madial wall of wheel hub 10 to sleeve, the sleeve of semiaxis 15
Outside connect axle portion 122 central shaft hole in, it is outer connection axle portion 122 inner lateral wall sleeve and holding in Rear oil seal 20
On the wall of side, the lateral wall elasticity of Rear oil seal 20 is pressed against on the posterior medial wall of wheel hub 10；
Bushing 30, the outside of bushing 30 are fixed with by interference fit on the outer end madial wall of the outer connection axle portion 122
On the madial wall of Front oil seal 40, the lateral wall elasticity of Front oil seal 40 is pressed against the front inner wall of wheel hub 10 for wall sleeve and holding
On.
Further, the lateral wall of the outer connection axle portion 122 passes through madial wall of two bearing hinge connections in wheel hub 10
On, there is convex annular looping 16 on the madial wall of the wheel hub 10 between two bearings, convex annular looping 16 is clamped in two bearings
Outer ring between.
Further, collar stop 123 is bolted with the outer end lateral wall of the outer connection axle portion 122, bushing 30 is pressed from both sides
Between the front end face of the inner ring for holding the bearing of rear end face and front portion in collar stop 123.
Further, the inner lateral wall of the outer connection axle portion 122 has the raised circle 124 of annular, the axle at rear portion
The rear end face of the inner ring for holding is pressed against on the front end face of the raised circle 124 of annular.
Further, the Front oil seal 40 is identical with the structure of Rear oil seal 20, and its lateral wall elasticity is pressed against wheel hub 10
On madial wall, there is dust excluder lips 21 and seal lip 22 on the madial wall of Front oil seal 40 and Rear oil seal 20, Front oil seal 40 it is dust-proof
Lip 21 and the elasticity of seal lip 22 are pressed against on the lateral wall of bushing 30, and the dust excluder lips 21 and seal lip 22 of Rear oil seal 20 are elastic
It is pressed against on the lateral wall of the raised circle 124 of annular.
It is by the way that Front oil seal 40 is arranged on bushing 30, and the interference fit of bushing 30 is fixed on the outer connection axle portion of bridge axle
On 122 lateral wall, inside wheel hub 10, so as to will not be with the directly contact of semiaxis 15 so that when semiaxis 15 is installed, will not
Make the seal lip 22 of Front oil seal 40 damaged, improve the working life of Front oil seal 40, it is final to ensure that drive axle inside fluid
At flowing brake processed, the brake safe performance of the vehicle of increase.
Finally, embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, relevant skill
The those of ordinary skill in art field, in the case of without departing from spirit and scope of the present utility model, can also make various changes
Change and modification, therefore the technical scheme of all equivalents falls within category of the present utility model, patent protection model of the present utility model
Enclosing to be defined by the claims.
Claims (5)
1. a kind of hub oil seal device of electrically propelled traction vehicle, including wheel hub (10), wheel hub has been bolted to connection on (10)
Brake hub (11), the middle part lateral wall of bridge axle (12) has annular relief (121), and brake (13) is bolted to connection
In annular relief (121), brake hub (11) is engaged with brake (13), it is characterised in that：Outside the bridge axle (12)
In wheel hub (10), the lateral wall of outer connection axle portion (122) passes through bearing hinge connection in wheel hub (10) to connection axle portion (122) sleeve
On madial wall, semiaxis (15) sleeve connects outside in the central shaft hole of axle portion (122), the inner outside of outer connection axle portion (122)
On the madial wall of Rear oil seal (20), the lateral wall elasticity of Rear oil seal (20) is pressed against the rear portion of wheel hub (10) for wall sleeve and holding
On madial wall；
Bushing (30) is fixed with by interference fit on the outer end madial wall of outer connection axle portion (122), outside bushing (30)
On the madial wall of Front oil seal (40), the lateral wall elasticity of Front oil seal (40) is pressed against before wheel hub (10) for side wall sleeve and holding
On portion's madial wall.
2. the hub oil seal device of a kind of electrically propelled traction vehicle according to claim 1, it is characterised in that：The outer connecting shaft
The lateral wall in portion (122) passes through two bearing hinge connections on the madial wall of wheel hub (10), the wheel hub (10) between two bearings
There is convex annular looping (16), convex annular looping (16) is clamped between the outer ring of two bearings on madial wall.
3. the hub oil seal device of a kind of electrically propelled traction vehicle according to claim 2, it is characterised in that：The outer connecting shaft
Collar stop (123) is bolted with the outer end lateral wall in portion (122), bushing (30) is clamped in the rear end face of collar stop (123)
And the front end face of the inner ring of anterior bearing between.
4. the hub oil seal device of a kind of electrically propelled traction vehicle according to claim 2, it is characterised in that：The outer connecting shaft
The inner lateral wall in portion (122) has the raised circle (124) of annular, and the rear end face of the inner ring of the bearing at rear portion is pressed against annular
On the front end face of projection circle (124).
5. the hub oil seal device of a kind of electrically propelled traction vehicle according to claim 4, it is characterised in that：The Front oil seal
(40) identical with Rear oil seal (20) structure, its lateral wall elasticity is pressed against on the madial wall of wheel hub (10), Front oil seal (40) and after
There is dust excluder lips (21) and seal lip (22), the dust excluder lips (21) of Front oil seal (40) and sealing lip on the madial wall of oil sealing (20)
Mouth (22) elasticity is pressed against on the lateral wall of bushing (30), and the dust excluder lips (21) of Rear oil seal (20) and seal lip (22) elasticity are pressed
Lean against on the lateral wall of the raised circle (124) of annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215045.1U CN206159486U (en) | 2016-11-11 | 2016-11-11 | Wheel hub oil sealing device of electric traction car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621215045.1U CN206159486U (en) | 2016-11-11 | 2016-11-11 | Wheel hub oil sealing device of electric traction car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159486U true CN206159486U (en) | 2017-05-10 |
Family
ID=58658351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621215045.1U Active CN206159486U (en) | 2016-11-11 | 2016-11-11 | Wheel hub oil sealing device of electric traction car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159486U (en) |
-
2016
- 2016-11-11 CN CN201621215045.1U patent/CN206159486U/en active Active
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| GR01 | Patent grant |