CN208997307U - Motor in electric automobile and retarder sealing structure - Google Patents
Motor in electric automobile and retarder sealing structure Download PDFInfo
- Publication number
- CN208997307U CN208997307U CN201821702027.5U CN201821702027U CN208997307U CN 208997307 U CN208997307 U CN 208997307U CN 201821702027 U CN201821702027 U CN 201821702027U CN 208997307 U CN208997307 U CN 208997307U
- Authority
- CN
- China
- Prior art keywords
- motor
- reduction gearbox
- seam allowance
- right case
- end cover
- 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.)
- Expired - Fee Related
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- General Details Of Gearings (AREA)
Abstract
The utility model proposes motor in electric automobile and retarder sealing structure, including motor front end cover and reduction gearbox right case, the front end face of motor front end cover is provided with convex annular stopper, the right side of reduction gearbox right case is provided with hollow toroid seam allowance, the mating surface that the periphery of convex annular stopper and the inner headed face of hollow toroid seam allowance are formed is filled with sealant layer, and setting there are two liftout bolt and is withstood on motor front end cover on reduction gearbox right case.The utility model fills waterproof gasket cement between motor front end cover and reduction gearbox right case, realizes stable sealing waterproof purpose, meanwhile, the requirement on machining accuracy of the mating surface of sealant layer filling is low, reduces processing cost；Using liftout bolt easy disassembly and maintenance, and liftout bolt ensure that the high stability that reduction gearbox right case is connect with motor front end cover with the design position for connecting bolt.The utility model is designed reasonably, structure are simple, are suitble to large-scale promotion.
Description
Technical field
The utility model belongs to technical field of automobile accessories more particularly to motor in electric automobile and retarder sealing structure.
Background technique
As the continuous development in electric car field and the actual requirement of client are higher and higher, for crucial in electric car
The degree of protection of components is generally IP67.Motor and retarder are mutually matched key components and parts, motor on electric car
As the important component of pure electric automobile, insecure sealing structure will affect the performance of motor and retarder, service life.
Traditional design methods are to increase sealing ring in the mating surface of motor and retarder, close by axially or radially compressing
Sealing is realized in seal, it is high not only to need mating surface machining accuracy, but also the margin of tolerance is small, increases manufacturing cost.Furthermore motor
It is generally made by Liang Jia supplier with retarder, with the problem of being easy to appear is closed, causes electric car manufacturer assembly difficulty,
And such sealing means are also extremely difficult to the standard protection level of IP67.
Utility model content
The utility model is directed to the problems of the sealing structure connected between above-mentioned electric motor of automobile and retarder, proposes
A kind of design is rationally, structure is simple, good airproof performance and motor in electric automobile convenient for disassembly and assembly and retarder sealing structure.
In order to achieve the above object, the technical solution adopted in the utility model is electric car provided by the utility model
Motor and retarder sealing structure, including motor front end cover and reduction gearbox right case, the front end face setting of the motor front end cover
There are convex annular stopper and the annular secondary seam allowance concentric with convex annular stopper, the right side of the reduction gearbox right case is provided with concave ring
Shape seam allowance and with hollow toroid seam allowance it is concentric dock pair seam allowance, the periphery of the convex annular stopper and the inner circle of hollow toroid seam allowance
Face is cooperatively connected and is provided with sealant layer at cooperation, the end face of the annular secondary seam allowance on the end face for docking pair seam allowance
It is provided with radial vehicle line, there are two liftout bolts, the liftout bolt to withstand on motor front end for setting on the reduction gearbox right case
On the front end face of lid.
Preferably, being provided with parabolic configuration arc on the left side of the reduction gearbox right case.
It is fixed preferably, the motor front end cover connect bolt by four with reduction gearbox right case, four companies
Connecting bolt is symmetrical about the center line of parabolic structure arc.
Preferably, described two liftout bolts are symmetrically distributed on parabolic structure arc.
Compared with prior art, it is the advantages of the utility model with good effect,
1, motor in electric automobile and retarder sealing structure provided by the utility model, by hollow toroid seam allowance and bulge loop
The mating surface filling waterproof gasket cement that shape seam allowance is formed constitutes sealant layer, realizes stable sealing waterproof purpose, meanwhile, sealing
The requirement on machining accuracy of the mating surface of glue-line filling is low, reduces processing cost, improves packaging efficiency；Utilize liftout bolt side
Just dismounting maintenance, and liftout bolt ensure that reduction gearbox right case is connect with motor front end cover with the setting position for connecting bolt
High stability.The utility model is designed reasonably, structure are simple, are suitble to large-scale promotion.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the utility model,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the motor in electric automobile that embodiment provides and retarder sealing structure；
Fig. 2 be Fig. 1 for providing of embodiment D-D to cross-sectional view；
Fig. 3 is the left view for the motor front end cover that embodiment provides；
Fig. 4 is the right view for the retarder right case that embodiment provides；
In above each figure, 1, motor front end cover；11, convex annular stopper；12, annular secondary seam allowance；2, reduction gearbox right case；
21, convex annular stopper；22, secondary seam allowance is docked；23, parabolic structure arc；3, sealant layer；4, liftout bolt；5, bolt is connected.
Specific embodiment
It is with reference to the accompanying drawing and real in order to be more clearly understood that the above objects, features, and advantages of the utility model
Example is applied to be described further the utility model.It should be noted that in the absence of conflict, embodiments herein and reality
The feature applied in example can be combined with each other.For sake of convenience, hereafter such as there are "upper", "lower", "left", "right" printed words, only indicate
It is consistent with the upper and lower, left and right direction of attached drawing itself, restriction effect is not played to structure.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other modes described herein are different from, therefore, the utility model is not limited to be described below
The limitation of the specific embodiment of specification.
Embodiment, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, motor in electric automobile provided by the utility model and retarder are close
Seal structure, including motor front end cover 1 and reduction gearbox right case 2.It is connect to improve motor front end cover 1 with reduction gearbox right case 2
Leakproofness, the present apparatus fills waterproof gasket cement between motor front end cover 1 and reduction gearbox right case 2；Specifically, motor front end
The front end face of lid 1 is provided with convex annular stopper 11 and the annular secondary seam allowance 12 concentric with convex annular stopper, reduction gearbox right case 2
Right side be provided with hollow toroid seam allowance 21 and with hollow toroid seam allowance it is concentric dock pair seam allowance 22, the periphery of convex annular stopper 12
It is cooperatively connected with the inner headed face of hollow toroid seam allowance 21 and is provided with sealant layer 3 at cooperation, sealant layer 3 stops in bulge loop shape
It is in tri filling shape at the mating surface that the periphery of mouth and the inner headed face of hollow toroid seam allowance are formed, substantially increases mating surface
Leakproofness；It further include that the requirement on machining accuracy of the mating surface of sealant layer filling is lower using the benefit that sealant layer 3 seals,
Processing cost is reduced, assembly efficiency is improved.
Further, annular secondary seam allowance 12 is docked with secondary seam allowance 22 is docked, and is that two independent individuals are realized as supporting surface
Connection, meanwhile, it is provided with radial vehicle line on the end face of annular secondary seam allowance 12 and the end face for docking secondary seam allowance 22, can be born quite
The radially outward force generated in a part of transmission shaft course of work, to extend the effective period of sealant layer 3.
In order to facilitate dismounting maintenance, it is arranged on reduction gearbox right case 2 provided by the utility model there are two liftout bolt 4,
Liftout bolt 4 is withstood on the front end face of motor front end cover 1, can be by sealant towards motor direction rotation liftout bolt 4
Layer 3 destroys, so that the two be separated.
In order to improve the stability that motor front end cover 1 is connect with reduction gearbox right case 2, reduction gearbox provided by the utility model
Parabolic configuration arc 23 is provided on the left side of right case 2, motor front end cover 1 and reduction gearbox right case 2 pass through four companies
Connecting bolt 5 is fixed, and four connection bolts 5 are symmetrical about the center line of parabolic structure arc 23, meanwhile, two liftout bolts
4 are symmetrically distributed on parabolic structure arc 23, and two of them connection bolt 5 is located at the endpoint of parabolic structure arc 23；
Parabolic structure arc 23 is both the installation normal line for connecting bolt 5 and liftout bolt 4, makes motor front end cover 1 and the right case of reduction gearbox
Connector on body 2 is symmetrical, and is the structure of raising reduction gearbox end face structure intensity, and then after guarantee overall structure connection
Stability, effectively extend the service life of device.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation is applied to other fields, but all without departing from the content of the technical scheme of the utility model, according to this reality
With novel technical spirit any simple modification, equivalent variations and remodeling to the above embodiments, it is practical new to still fall within this
The protection scope of type technical solution.
Claims (4)
1. motor in electric automobile and retarder sealing structure, including motor front end cover and reduction gearbox right case, which is characterized in that institute
The front end face for stating motor front end cover is provided with convex annular stopper and the annular secondary seam allowance concentric with convex annular stopper, the reduction gearbox
The right side of right case be provided with hollow toroid seam allowance and with hollow toroid seam allowance it is concentric dock pair seam allowance, the convex annular stopper
The inner headed face of periphery and hollow toroid seam allowance is cooperatively connected and is provided with sealant layer at cooperation, the annular secondary seam allowance
End face and dock and be provided with radial vehicle line on the end face of secondary seam allowance, on the reduction gearbox right case setting there are two liftout bolt,
The liftout bolt is withstood on the front end face of motor front end cover.
2. motor in electric automobile according to claim 1 and retarder sealing structure, which is characterized in that the reduction gearbox is right
Parabolic configuration arc is provided on the left side of cabinet.
3. motor in electric automobile according to claim 2 and retarder sealing structure, which is characterized in that the motor front end
Lid connect bolt by four with reduction gearbox right case and fixes, center line of the four connections bolt about parabolic structure arc
It is symmetrical.
4. motor in electric automobile according to claim 3 and retarder sealing structure, which is characterized in that described two ejections
Bolt is symmetrically distributed on parabolic structure arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821702027.5U CN208997307U (en) | 2018-10-19 | 2018-10-19 | Motor in electric automobile and retarder sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821702027.5U CN208997307U (en) | 2018-10-19 | 2018-10-19 | Motor in electric automobile and retarder sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997307U true CN208997307U (en) | 2019-06-18 |
Family
ID=66804362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821702027.5U Expired - Fee Related CN208997307U (en) | 2018-10-19 | 2018-10-19 | Motor in electric automobile and retarder sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208997307U (en) |
-
2018
- 2018-10-19 CN CN201821702027.5U patent/CN208997307U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20201019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |