CN207527009U - A kind of spline lubrication mechanism - Google Patents
A kind of spline lubrication mechanism Download PDFInfo
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- CN207527009U CN207527009U CN201721448961.4U CN201721448961U CN207527009U CN 207527009 U CN207527009 U CN 207527009U CN 201721448961 U CN201721448961 U CN 201721448961U CN 207527009 U CN207527009 U CN 207527009U
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- retarder
- axis
- spline
- bearing
- motor shaft
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Abstract
The utility model is related to the connecting device technical fields of driving motor of electric vehicle and retarder, disclose a kind of spline lubrication mechanism, the head end that the external splines construction of motor shaft is corresponded in the axial direction of one axis of retarder is provided with the first oil duct connected with the gear lubricant of retarder, and the end that the external splines construction of motor shaft is corresponded in the axial direction of one axis of retarder is provided with the second oil duct connected with the gear lubricant of retarder.Spline lubrication mechanism provided by the utility model can lubricate spline using the gear lubricant of retarder, and spline is enable to be in and is lubricated in good working environment, reduces the degree of spline wear, improves the working life of power assembly.
Description
Technical field
The utility model is related to the connecting device technical fields more particularly to a kind of flower of driving motor of electric vehicle and retarder
Key lubricating structure.
Background technology
Pure electric vehicle passenger car became increasingly popular in recent years, and the power assembly structure that motor and retarder integrate faces new choose
War.The fit form of the motor of pure electrician's passenger car and the connection generally use spline of retarder, since motor speed is higher, such as
Fruit does not have good lubrication that motor shaft and the spline wear at retarder cooperation can be caused too fast, is passed so as to influence the power of motor
Retarder is passed, vehicle losing power output is resulted even in when serious.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of spline lubrication mechanism, to realize at the motor shaft of pure electric vehicle and retarder cooperation
The good lubrication of spline.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of spline lubrication mechanism, including one axis of retarder
And motor shaft, one axis of retarder are provided with axis hole along its axis direction, the madial wall of the axis hole is constructed for internal spline, institute
It states motor the tip of the axis to construct for external splines, the motor the tip of the axis is inserted into the axis hole and is formed with one axis of retarder
Spline couples；
The head end that the external splines construction of motor shaft is corresponded in the axial direction of one axis of retarder is provided with tooth with retarder
The first oil duct of lubricating oil connection is taken turns, the end setting of the external splines construction of motor shaft is corresponded in the axial direction of one axis of retarder
There is the second oil duct connected with the gear lubricant of retarder.
Further, first oil duct is across the side wall connection axis hole of the axis hole and one axis peripheral surface of retarder
Oilhole.
Further, the axis hole includes integral structure and the connecting portion, spline part and the space part that are arranged in order, described
Connecting portion is set in the front end of the external splines construction of motor shaft, and the spline part is provided with internal spline construction and outer with motor shaft
Spline structure couples, and for hollow structure, it forms second oil duct to the space part.
Further, sealing element is provided between the front end of the external splines of the connecting portion and motor shaft construction, and
The sealing element is arranged on the front end of the oilhole.
Further, the sealing element is the O-ring for the two way seal being set on the motor shaft.
Further, one axis of retarder is arranged on bearing, the bearing close to one end of the motor shaft along its
Axial spacing is provided with shafting oil sealing, and the oilhole is correspondingly arranged at the position between the shafting oil sealing and the axial direction of bearing
On.
Further, the bearing includes being arranged close to the first sub- bearing of the motor shaft setting and far from the electricity
Second sub- bearing of arbor setting, the shafting oil sealing are arranged on the described first sub- bearing close to the side of the motor shaft, institute
The opening for stating oilhole is correspondingly arranged between the shafting oil sealing and the first sub- bearing.
Further, the retarder is arranged in reducing gearbox body, and gear lubrication is provided in the reducing gearbox body
Oil, the gear lubricant in the reducing gearbox body fall into the described first sub- bearing and the second son by the gear drive of retarder
On bearing.
Further, the gear lubricant for falling into the described second sub- bearing is connected with second oil duct.
Further, the oilhole is circumferentially provided at least two along one axis of retarder.
(3) advantageous effect
The above-mentioned technical proposal of the utility model has the following advantages that：Spline lubrication mechanism provided by the utility model leads to
Cross the head end setting for the external splines construction that motor shaft is corresponded in the axial direction of one axis of retarder and the gear lubrication of retarder
First oil duct of oil connection, correspond in the axial direction of one axis of retarder motor shaft external splines construction end setting with subtracting
Second oil duct of the gear lubricant connection of fast device, so as to lubricate spline using the gear lubricant of retarder, makes flower
Bond energy, which is in, to be lubricated in good working environment, is reduced the degree of spline wear, is improved the working life of power assembly.
The technical issues of being solved in addition to the utility model described above, form technical solution technical characteristic and
Have except advantage caused by the technical characteristic of these technical solutions, the other technical characteristics of the utility model and these technologies are special
The advantages of sign is brought, will further illustrate with reference to attached drawing.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment spline lubrication mechanism.
In figure：1：Electric machine casing；2：Oilhole；3：Motor shaft；4：O-ring；5：Reducer shell；6：One axis of retarder；7：
First sub- bearing；8：Second sub- bearing；9：Gap；10：Shafting oil sealing.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's all other embodiments obtained under the premise of creative work is not made, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, in the description of the present invention, unless otherwise indicated, " multiple ", " more ", " multigroup " are meant that two
A or more than two, " several ", " several ", " several groups " are meant that one or more.
The front end hereinafter occurred refers to that, close to one end of motor shaft 3, rear end refers to one end far from motor shaft 3.
As shown in Figure 1, the spline lubrication mechanism that the utility model embodiment provides is for one axis of retarder and motor shaft
The design that the spline structure of formation carries out.
As shown in Figure 1, the motor shaft 3 is arranged in electric machine casing 1.One axis 6 of retarder is arranged on reducing gearbox
In body 5, by the bearings of two spacing settings, the bearing definition of the motor shaft setting is will be close in order to facilitate description
For the first sub- bearing 7, the bearing that will be far from the motor shaft setting is defined as the second sub- bearing 8.In the cavity of reducer shell 5
Gear lubricant is placed with, the gear of one axis 6 of retarder, which rotates, takes gear lubricant to first sub- 7 and second sub- bearing of bearing
8 positions are so as to the lubrication to bearing.
One axis 6 of retarder and the spline structure of motor shaft 3 are as shown in Figure 1.One axis 6 of retarder sets axis along its axis direction
Hole, the axis hole include the connecting portion, spline part and the space part that are arranged in order from front to back, and the inner wall of the spline part is interior
Spline structure, the end of the motor shaft 3 are constructed for external splines, and the end of the motor shaft 3 is inserted into the axis hole and and axis
The spline part in hole cooperatively forms spline connection；The connecting portion is set in the front end of the external splines construction of motor shaft, the gap
Portion is hollow structure.Apart from the described first sub- 7 certain distance of bearing, inner wall and institute of one axis 6 of retarder in its connecting portion
It states and is provided with shafting oil sealing 10 between the periphery wall of motor shaft 3, shafting oil sealing 10 can be to avoid gear lubricant in retarder one
The leakage of 3 coupled position of axis 6 and motor shaft.
The head end of the external splines construction of motor shaft 3 is corresponded in the axial direction of one axis 6 of retarder and in the shafting oil sealing
10 and first sub- bearing 7 axial direction between position be provided with the first oil duct, it is preferred that first oil duct is across the axis
The oilhole 2 of the side wall connection axis hole and one axis peripheral surface of retarder in hole.Motor shaft 3 is corresponded in the axial direction of one axis 6 of retarder
The end of external splines construction be provided with the second oil duct, the second oil duct can directly be the gap 9 that the space part of axis hole is formed,
It can be connected with the second sub- position of bearings.
It should be appreciated that the axis hole includes the connecting portion, spline part and the space part that are arranged in order from front to back, the past
The direction for referring to being directed toward one axis 6 of retarder from motor shaft 3 backward, connecting portion, spline part and space part are used for the purpose of
It is integral structure that description, which facilitates the definition of progress namely one axis of retarder,.Oilhole is preferably correspondingly arranged at the head end of spline structure,
Namely oilhole can directly connect the peripheral surface position of spline position and one axis of retarder；For what cannot be open in spline position
Structure further includes the oil guide groove connected with spline structure other than the hole of axis side wall of the oilhole in addition to penetrating one axis of retarder.
It should be noted that the two is referred between the axial direction of the 10 and first sub- bearing 7 of shafting oil sealing in the axial direction
Intermediate gap namely the opening of oilhole 2 be provided in the intermediate position of 10 and first sub- 7 axial direction of bearing of shafting oil sealing.
The front end of spline structure can be connected namely fallen into the gear lubricant of the first sub- bearing 7 with the first sub- position of bearings by oilhole 2
The head end of spline fitted position can be flowed in or out by oilhole 2.Second oil duct is the gap 9 that the space part of axis hole is formed,
Its position with the second sub- bearing 8 connects namely the gear lubricant from the second sub- bearing 8 can pass through the gap 9
Flow in or out the end of the cooperation position of spline.The gap 9 of oilhole 2 and axis hole space part is so that spline fitted position and two axis
Connection is held, so its pressure is also consistent, so setting the first oil duct and the second oil duct can will be whole at the first and last end of spline structure
Gear lubricant is immersed in a spline position, so as to fulfill the lubrication of spline.
In order to avoid the leakage of spline head end position gear lubricant, the external splines structure of the connecting portion and the motor shaft
Sealing element is provided between the front end made and in the front end of the oilhole 2, the sealing element is optionally to be set in the motor
The O-ring 4 of two way seal on axis 3.
In order to realize that spline front end is connected with the good of gear lubricant space, the oilhole 2 can be along the retarder one
Circumferentially disposed at least two of axis.
In conclusion the utility model embodiment spline lubrication mechanism, the spline for coupling for motor with retarder carry
For long-acting lubrication, transmission system working life is improved.And the structure increases oilhole between one shafting oil of retarder envelope and bearing,
And cancel traditional blocking cover structure (traditional blanking cover is arranged on the space part of above-mentioned axis hole), reducer gear oil is allow to enter flower
At key, cycle lubrication is realized, so only needing to change gear lubricant in maintenance, follow-up maintenance is easier.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of spline lubrication mechanism, it is characterised in that：Including one axis of retarder and motor shaft, one axis of retarder is along its axis
Line direction is provided with axis hole, and the madial wall of the axis hole is constructed for internal spline, and the motor the tip of the axis is constructed for external splines, institute
It states motor the tip of the axis and is inserted into the axis hole and couple with one axis of retarder formation spline；
The head end that the external splines construction of motor shaft is corresponded in the axial direction of one axis of retarder is provided with and the gear of retarder profit
First oil duct of lubricating oil connection, correspond in the axial direction of one axis of retarder the external splines construction of motor shaft end be provided with and
Second oil duct of the gear lubricant connection of retarder.
2. spline lubrication mechanism according to claim 1, it is characterised in that：First oil duct is across the axis hole
Side wall connects the oilhole of axis hole and one axis peripheral surface of retarder.
3. spline lubrication mechanism according to claim 2, it is characterised in that：The axis hole includes integral structure and arranges successively
Connecting portion, spline part and the space part of row, the connecting portion are set in the front end of the external splines construction of motor shaft, the spline
Portion is provided with internal spline construction and couple with the external splines of motor shaft construction, and the space part is hollow structure its formation described the
Two oil ducts.
4. spline lubrication mechanism according to claim 3, it is characterised in that：The outer flower of the connecting portion and the motor shaft
Sealing element is provided with, and the sealing element is arranged on the front end of the oilhole between the front end of key construction.
5. spline lubrication mechanism according to claim 4, it is characterised in that：The sealing element is is set in the motor shaft
On two way seal O-ring.
6. spline lubrication mechanism according to claim 2, it is characterised in that：One axis of retarder is arranged on bearing,
The bearing is provided with shafting oil sealing close to one end of the motor shaft along its axial spacing, and the oilhole is correspondingly arranged at described
On position between shafting oil sealing and the axial direction of bearing.
7. spline lubrication mechanism according to claim 6, it is characterised in that：The bearing includes being arranged close to the motor
First sub- bearing of axis setting and the second sub- bearing far from motor shaft setting, the shafting oil sealing are arranged on described the
One sub- bearing is correspondingly arranged at the shafting oil sealing and the described first son close to the side of the motor shaft, the opening of the oilhole
Between bearing.
8. spline lubrication mechanism according to claim 7, it is characterised in that：The retarder is arranged on reducer shell
It is interior, it is provided with gear lubricant in the reducing gearbox body, the gear lubricant in the reducing gearbox body passes through retarder
Gear drive is fallen on the described first sub- bearing and the second sub- bearing.
9. spline lubrication mechanism according to claim 8, it is characterised in that：Fall into the gear lubrication of the described second sub- bearing
It is oily to be connected with second oil duct.
10. spline lubrication mechanism according to claim 2, it is characterised in that：The oilhole is along one axis of retarder
It is circumferentially provided at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448961.4U CN207527009U (en) | 2017-11-02 | 2017-11-02 | A kind of spline lubrication mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721448961.4U CN207527009U (en) | 2017-11-02 | 2017-11-02 | A kind of spline lubrication mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527009U true CN207527009U (en) | 2018-06-22 |
Family
ID=62572112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721448961.4U Active CN207527009U (en) | 2017-11-02 | 2017-11-02 | A kind of spline lubrication mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527009U (en) |
-
2017
- 2017-11-02 CN CN201721448961.4U patent/CN207527009U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201125 Granted publication date: 20180622 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220216 Granted publication date: 20180622 |