CN207790199U - Drive axle and vehicle - Google Patents
Drive axle and vehicle Download PDFInfo
- Publication number
- CN207790199U CN207790199U CN201820149204.5U CN201820149204U CN207790199U CN 207790199 U CN207790199 U CN 207790199U CN 201820149204 U CN201820149204 U CN 201820149204U CN 207790199 U CN207790199 U CN 207790199U
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- Prior art keywords
- input shaft
- drive axle
- level
- bearing
- driving gear
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- 239000003921 oil Substances 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 239000010687 lubricating oil Substances 0.000 abstract description 18
- 238000005461 lubrication Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model is related to the field of system of vehicle transmission mechanism, a kind of drive axle and vehicle are provided, wherein the drive axle includes：Shell；The first end of input shaft, the input shaft can be connected to driving device, and second end is inserted into the shell；Bearing, the bearing are rotatably sleeved on the input shaft；Level-one driving gear, the level-one driving gear is disposed in the housing, and the level-one driving gear is rotatably sleeved on the bearing；Wherein, the radial direction oil that the axial oil duct to communicate with each other and three or more are uniformly distributed circumferentially is provided in the input shaft.In drive axle described in the utility model, three or more radial direction oils are arranged in input shaft, ensure to be constantly present the radial direction oil under axial oil duct, to convey lubricating oil to bearing by gravity, realize the lubrication of bearing, it solves the problems, such as that lubricating oil cannot reach bearing from outside, extends the service life of bearing.
Description
Technical field
The utility model is related to the technical field of system of vehicle transmission mechanism, more particularly to a kind of drive axle and vehicle.
Background technology
The rear axle of vehicle includes the drive axle being made of motor (or the driving devices such as engine), retarder and differential mechanism.
Motor when high vehicle speeds in drive axle is damaged in order to prevent, therefore drive axle generally requires to be added and disconnects device,
The device can disconnect the drive connection of motor and wheel when vehicle is in high-speed working condition, prevent motor speed excessively high.
When low vehicle speeds, synchronizer engages level-one driving gear and input shaft, motor output power；At vehicle
When running at high speed, synchronizer disconnects the connection of level-one driving gear and input shaft, and the rotating speed of input shaft and motor continuously decreases
To zero.Usually, drive axle is lubricated using splashing, and in low speed rotation, motor band driven input shaft rotates and export power, enters axis
The fluid that differential mechanism gear ring can be stirred of rotation suck its hollow parts and be lubricated supplied to components such as needle bearings cold
But.But when wheel high speed rotation, since input shaft and level-one driving gear are disconnected without rotating, lead to lubricating oil
It cannot be introduced into hollow part or even flow backwards, cause the lubricant effect of the components such as needle bearing to be deteriorated, in some instances it may even be possible to make needle roller axis
Hold ablation.
Utility model content
In view of this, the utility model is directed to a kind of drive axle, to solve input shaft and the level-one active of drive axle
The problem of bearing lubrication effect difference when gear disconnects.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of drive axle, wherein the drive axle includes：
Shell；
The first end of input shaft, the input shaft can be connected to driving device, and second end is inserted into the shell；
Bearing, the bearing are rotatably sleeved on the input shaft；
Level-one driving gear, the level-one driving gear is disposed in the housing, and the level-one driving gear can
It is rotationally set on the bearing；
Wherein, the radial direction of the axial oil duct to communicate with each other and three or more circumferentially uniform cloth is provided in the input shaft
The entrance of oil duct, the axial direction oil duct is arranged on the second end end face of the input shaft, the outlet setting of the radial direction oil
On the peripheral surface of the input shaft and it is aligned in the bearing.
Further, the input shaft includes 4 radial direction oils.
Further, the radial direction oil includes close to the first segment of the axial oil duct and close to the input shaft periphery
The internal diameter of the second segment in face, the first segment is kept constant, and the internal diameter of the second segment gradually increases radially outward direction.
Further, the minimum diameter of the second segment is more than the internal diameter of the first segment, and the second segment and institute
It states first segment and passes through annular step surface transition.
Further, the entrance of the axial oil duct is provided with Oil Guide mouth, and the Oil Guide mouth includes annular slab and tubulose knot
Structure, the tubular structure are connected to the periphery of the centre bore of the annular slab, and the tubular structure, which is inserted into, to be arranged in the axial direction
In oil duct.
Further, the drive axle includes the synchronizer being set on the input shaft, and the synchronizer can be by institute
State input shaft engagement synchronous with the level-one driving gear.
Further, the drive axle includes the gear shifting actuating mechanism for controlling the synchronizer.
Further, the drive axle includes reduction assemblies and differential mechanism gear ring, and the differential mechanism gear ring is rotationally set
It sets in the bottom of the shell, the level-one driving gear is sequentially connected by the reduction assemblies in the differential mechanism gear ring.
Further, the reduction assemblies include output shaft and the driven gear being set on the output shaft and two level master
Moving gear, the driven gear are engaged in the level-one driving gear, and the two level driving gear is engaged in the differential mechanism tooth
Circle.
Compared with the existing technology, drive axle described in the utility model has the advantage that：
In drive axle described in the utility model, three or more radial direction oils are arranged in input shaft, and guarantee is constantly present position
Radial direction oil under axial oil duct is realized the lubrication of bearing, is solved to convey lubricating oil to bearing by gravity
The problem of lubricating oil cannot reach bearing from outside, extends the service life of bearing.
The another object of the utility model is to propose a kind of vehicle, to solve the input shaft and level-one driving tooth of drive axle
The problem of bearing lubrication effect difference between wheel.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of vehicle, wherein the vehicle is provided with the drive axle described in above scheme.
Possessed advantage is identical compared with the existing technology with above-mentioned drive axle for the vehicle, and details are not described herein.
Other features and advantages of the utility model will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The exemplary embodiment and its explanation of type are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 is the internal structure schematic diagram of the drive axle described in the utility model embodiment；
Fig. 2 is the part-structure schematic diagram of the drive axle described in the utility model embodiment.
Reference sign：
1- shells, 2- input shafts, 3- bearings, 4- level-one driving gears, 5- differential mechanism gear rings, 6- Oil Guide mouths, 7- synchronizers,
8- gear shifting actuating mechanisms, 9- driven gears, 10- two level driving gears, 11- output shafts, 21- axial direction oil ducts, 22- radial direction oils.
Specific implementation mode
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
The utility model provides a kind of drive axle, wherein the drive axle includes：
Shell 1；
The first end of input shaft 2, the input shaft 2 can be connected to driving device, and second end is inserted into the shell 1
In；
Bearing 3, the bearing 3 are rotatably sleeved on the input shaft 2；
Level-one driving gear 4, the level-one driving gear 4 is arranged in the shell 1, and the level-one driving gear
4 are rotatably sleeved on the bearing 3；
Wherein, the axial oil duct 21 to communicate with each other and three or more circumferentially uniform cloth are provided in the input shaft 2
The entrance of radial direction oil 22, the axial direction oil duct 21 is arranged on the second end end face of the input shaft 2, the radial direction oil 22
Outlet be arranged on the peripheral surface of the input shaft 2 and be aligned in the bearing 3.
Bearing 3 is arranged between input shaft 2 and level-one driving gear 4, for realizing input shaft 2 and level-one driving gear 4
Between rolling friction, reduce abrasion between the two, bearing 3 can be diversified forms, such as needle bearing, ball bearing
Deng, it is preferred to use needle bearing, the rolling element (cylinder) in needle bearing can rollably be contacted with level-one master respectively
Moving gear 4 and input shaft 2.Due to being arranged in inside, bearing 3 cannot come into full contact with the lubricating oil in shell 1 to be obtained enough
Lubrication, therefore, setting extends to internal axial oil duct 21 on the second end end face of input shaft 2, and passes through radial oil
Road 22 is connected to axial oil duct 21 and bearing 3, and the lubricating oil in shell 1 can be entered by the entrance of axial oil duct 21, and be passed through
The outlet of radial direction oil 22 is discharged, and reaches 3 position of bearing so that and lubricating oil can fully be lubricated bearing 3,
Avoid bearing 3 ablated, particularly, even if input shaft 2 stops operating, three or more radial direction oils 22 circumferentially uniform cloth,
Ensure to be constantly present the radial direction oil 22 under axial oil duct 21, always can convey lubricating oil to bearing 3.
Preferably, input shaft 2 includes 4 radial direction oils 22, and the angle of two adjacent radial direction oils 22 is right angle,
Certainly, the quantity of radial direction oil 22 may be 5 or more.It, can be more uniformly by the way that multiple radial direction oils 22 are arranged
Lubricating oil is provided to bearing 3, in particular, 21 mean level of axial oil duct extends, multiple radial direction oils 22, which are arranged, can ensure always
It is the presence of the radial direction oil 22 for being located at 21 lower section of axial oil duct, therefore, even if input shaft 2 does not rotate, in axial oil duct 21
Lubricating oil also can always be flow on the lower portion of bearing 3, ensure the lubrication of bearing 3.
Specifically, the radial direction oil 22 includes close to the first segment of the axial oil duct 21 and close to the input shaft 2
The internal diameter of the second segment of peripheral surface, the first segment is kept constant, and the internal diameter of the second segment is gradual radially outward direction
Increase.The second segment of axial oil duct 21 is generally formed into bell shape, and the inner peripheral surface of the truncated cone-shaped of formation can slow down lubrication
The speed that oil is flow backwards can prevent lubricating oil refluence from returning in axial oil road 21 to a certain extent.
Further, the minimum diameter of the second segment is more than the internal diameter of the first segment, and the second segment and institute
It states first segment and passes through annular step surface transition.That is, due to difference in internal diameters between the first segment and second segment of radial direction oil 22
Away from and form step surface, lubricating oil more stable can be maintained at the step surface, i.e., the second segment of radial direction oil 22 forms oil storage
Structure can further prevent lubricating oil refluence from returning in axial oil road 21.
In addition, the entrance of the axial direction oil duct 21 is provided with Oil Guide mouth 6, the Oil Guide mouth 6 includes annular slab and tubulose knot
Structure, the tubular structure are connected to the periphery of the centre bore of the annular slab, and the tubular structure, which is inserted into, to be arranged in the axial direction
In oil duct 21.As depicted in figs. 1 and 2, Oil Guide mouth 6 is installed on the inlet of axial oil duct 21, including is inserted into axial oil duct 21
Tubular structure and the annular slab outside axial oil duct 21, lubricating oil can gradually be flow to via the surface of annular slab
In the tubular structure, and then enter in axial oil duct 21.
In addition, the drive axle includes the synchronizer 7 being set on the input shaft 2, the synchronizer 7 can will be described
The engagement synchronous with the level-one driving gear 4 of input shaft 2.Connecing for input shaft 2 and level-one driving gear 4 may be implemented in synchronizer 7
It closes so that input shaft 2 and level-one driving gear 4 synchronously rotate, and by controlling synchronizer 7, can make 2 He of input shaft
4 disengagement of level-one driving gear.
Further, the drive axle includes the gear shifting actuating mechanism 8 for controlling the synchronizer 7.It is changed by control
Executing agency 8 is kept off, synchronizer 7 can be made to be connected or disconnected from input shaft 2 and level-one driving gear 4, that is to say, that change
Input shaft 2 and level-one driving gear 4 can be disconnected by control synchronizer 7 in shift by keeping off executing agency 8, disconnected and being filled with the driving
The drive connection of (such as engine or motor) and wheel is set, connection input shaft 2 and level-one driving gear 4 after the completion of shift are real
The drive connection of existing engine (or motor) and wheel.When input shaft 2 and level-one driving gear 4, which are in, disconnects state,
Input shaft 2 remains substantially static state, and level-one driving gear 4 keeps high speed rotation, and 3 high speed rotation of bearing is with to input shaft
Relative rotation between 2 and level-one driving gear 4 is lubricated, i.e., can be turned sliding friction between the two by bearing 3
Become rolling friction, certainly, for bearing 3 itself, it is also desirable to do lubricated, this programme in input shaft 2 by setting
The mode for setting oil duct is that bearing 3 provides lubricating oil.In addition, when input shaft 2 by synchronizer 7 and level-one driving gear 4 synchronize connect
When conjunction, the two synchronously rotates, i.e., wheel rotation is driven by the engine of vehicle or motor, at this point, bearing 3 can also be opposite
Ground rotates, and high-speed rotating input shaft 2 can be incited somebody to action by the lubricating oil of 21 suck up outside of axial oil duct, and by radial direction oil 22
Lubricating oil is thrown away at bearing 3, realizes lubrication.
In addition, the drive axle includes reduction assemblies and differential mechanism gear ring 5, the differential mechanism gear ring 5 rotatably arranged with
In the shell 1, the level-one driving gear 4 is sequentially connected by the reduction assemblies in the differential mechanism gear ring 5.Differential
Device gear ring 5 is a part for differential mechanism, can transmit torque to wheel portion, differential mechanism gear ring 5 passes through reduction assemblies and level-one
Driving gear 4 is sequentially connected, and when the engagement synchronous with level-one driving gear 4 of input shaft 2, differential mechanism gear ring 5 can be received and be come from
The torque of motor or engine etc..Wherein, reduction assemblies can suitably reduce motor or engine by suitable transmission ratio
It is transmitted to the rotating speed of differential mechanism gear ring 5.
Specifically, the reduction assemblies include output shaft 11 and the driven gear 9 and two that is set on the output shaft 11
Grade driving gear 10, the driven gear 9 are engaged in the level-one driving gear 4, and the two level driving gear 10 is engaged in institute
State differential mechanism gear ring 5.Driven gear 9 and two level driving gear 10 are fixedly installed on output shaft 11, and the tooth of driven gear 9
Number realizes the effect for reducing rotating speed more than the number of teeth of two level driving gear 10.
In addition, the utility model additionally provides a kind of vehicle, wherein the vehicle is provided with the driving described in above scheme
Bridge.The input shaft 2 of the drive axle can be connected to the motor or engine of vehicle, and differential mechanism gear ring 5 is one of differential mechanism
Point, it can be sequentially connected in the wheel of vehicle.
The foregoing is merely the better embodiments of the utility model, are not intended to limit the utility model, it is all
Within the spirit and principles of the utility model, it is new to should be included in this practicality for any modification, equivalent replacement, improvement and so on
Within the protection domain of type.
Claims (10)
1. a kind of drive axle, which is characterized in that the drive axle includes：
Shell (1)；
The first end of input shaft (2), the input shaft (2) can be connected to driving device, and second end is inserted into the shell
(1) in；
Bearing (3), the bearing (3) are rotatably sleeved on the input shaft (2)；
Level-one driving gear (4), the level-one driving gear (4) is arranged in the shell (1), and the level-one driving tooth
Wheel (4) is rotatably sleeved on the bearing (3)；
Wherein, the axial oil duct (21) to communicate with each other and three or more are provided in the input shaft (2) to be uniformly distributed circumferentially
Radial direction oil (22), it is described axial direction oil duct (21) entrance be arranged on the second end end face of the input shaft (2), the diameter
It is arranged on the peripheral surface of the input shaft (2) to the outlet of oil duct (22) and is aligned in the bearing (3).
2. drive axle according to claim 1, which is characterized in that the input shaft (2) includes 4 radial direction oils
(22)。
3. drive axle according to claim 1, which is characterized in that the radial direction oil (22) includes close to the axial oil
The second segment of the first segment in road (21) and the close input shaft (2) peripheral surface, the internal diameter of the first segment is kept constant, described
The internal diameter of second segment gradually increases radially outward direction.
4. drive axle according to claim 3, which is characterized in that the minimum diameter of the second segment is more than the first segment
Internal diameter, and the second segment and the first segment pass through annular step surface transition.
5. drive axle according to claim 1, which is characterized in that the entrance of the axial direction oil duct (21) is provided with Oil Guide mouth
(6), the Oil Guide mouth (6) includes annular slab and tubular structure, and the tubular structure is connected to the centre bore of the annular slab
Periphery, the tubular structure are inserted into setting in the axial oil duct (21).
6. drive axle according to claim 1, which is characterized in that the drive axle includes being set in the input shaft (2)
On synchronizer (7), the synchronizer (7) can by the input shaft (2) it is synchronous with level-one driving gear (4) engagement.
7. drive axle according to claim 6, which is characterized in that the drive axle includes for controlling the synchronizer
(7) gear shifting actuating mechanism (8).
8. drive axle according to claim 1, which is characterized in that the drive axle includes reduction assemblies and differential mechanism gear ring
(5), the differential mechanism gear ring (5) is rotatably arranged in the bottom of the shell (1), and the level-one driving gear (4) passes through
The reduction assemblies are sequentially connected in the differential mechanism gear ring (5).
9. drive axle according to claim 8, which is characterized in that the reduction assemblies include output shaft (11) and are set in
Driven gear (9) on the output shaft (11) and two level driving gear (10), the driven gear (9) are engaged in the level-one
Driving gear (4), the two level driving gear (10) are engaged in the differential mechanism gear ring (5).
10. a kind of vehicle, which is characterized in that the vehicle is provided with the drive axle described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149204.5U CN207790199U (en) | 2018-01-26 | 2018-01-26 | Drive axle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149204.5U CN207790199U (en) | 2018-01-26 | 2018-01-26 | Drive axle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207790199U true CN207790199U (en) | 2018-08-31 |
Family
ID=63270945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820149204.5U Active CN207790199U (en) | 2018-01-26 | 2018-01-26 | Drive axle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207790199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477849A (en) * | 2023-12-28 | 2024-01-30 | 大庆虹铭科技有限公司 | Permanent magnet semi-direct driving device of pumping unit |
-
2018
- 2018-01-26 CN CN201820149204.5U patent/CN207790199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477849A (en) * | 2023-12-28 | 2024-01-30 | 大庆虹铭科技有限公司 | Permanent magnet semi-direct driving device of pumping unit |
| CN117477849B (en) * | 2023-12-28 | 2024-03-22 | 大庆虹铭科技有限公司 | Permanent magnet semi-direct driving device of pumping unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191121 Address after: 071000 No.75, Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee after: Beehive transmission technology Hebei Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |