CN205292254U - Take driving motor's rear axle assembly - Google Patents
Take driving motor's rear axle assembly Download PDFInfo
- Publication number
- CN205292254U CN205292254U CN201520995625.6U CN201520995625U CN205292254U CN 205292254 U CN205292254 U CN 205292254U CN 201520995625 U CN201520995625 U CN 201520995625U CN 205292254 U CN205292254 U CN 205292254U
- Authority
- CN
- China
- Prior art keywords
- motor
- rear axle
- ring portion
- drive motor
- variator
- 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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Abstract
The utility model discloses a take driving motor's rear axle assembly, driving motor links to each other with the front end of derailleur, and the middle part at rear axle assembly is installed to the rear end of derailleur, the gearbox housing of derailleur is formed by left casing and right casing lock, first ring flange of rear -axle housing installation and rear -axle housing installation second ring flange constitution circular shape rear -axle housing mounting flange the front portion of left side casing is provided with power input shaft hole and motor mounting flange, is provided with the left half axle mounting hole at the rear portion of left casing, is provided with right semi -axis mounting hole at the rear portion of right casing, and the power input shaft of driving motor's motor shaft income derailleur is downthehole, installs the driving gear on the motor shaft and drives the first order driven gear rotation in the derailleur, at gearbox housing's rear portion, except that left half axle mounting hole and right semi -axis mounting hole, all positions that need lubricate all wrap up in gearbox housing. To avoid electrical hookup abnormal sound or inefficacy problem solve simultaneously that the derailleur noise is big, oil spill risk big, the big scheduling problem of lubricating oil quantity.
Description
Technical field
This utility model relates to rear-guard formula vehicle technology field, is specifically related to a kind of rear axle assy with drive motor.
Background technology
Electric motor car is using electricity as driving power, and automobile touch oil provides power. Existing drive motor is arranged on outside variator, and the motor shaft of drive motor and the power input shaft of variator are separately provided, and motor shaft drives the power input shaft of variator to rotate by spline, shaft coupling, it is easy to causes and couples abnormal sound or Problem of Failure. It addition, the power input shaft of motor shaft, variator is respectively necessary for being equipped with two bearings, adds manufacturing cost, increase overall dimensions.
Fig. 7 show existing back axle variator, is outside equipped with gear 3 at case of transmission, for Open architecture. The ring flange 1 of case of transmission front portion is connected with drive motor, and waist is provided with rear axle housing mounting flange 2 and is connected with rear axle housing body, and after installation, the rear portion of whole transmission assembly is placed in the housing of rear axle assy. Owing to gear exposes, therefore the lubricating oil of oilgear will fill whole rear axle housing body, and oil consumption is big, and there is leakage of oil risk; It addition, gear exposes, noise is relatively large.
Utility model content
The purpose of this utility model is to provide a kind of rear axle assy with drive motor, it is to avoid motor couples abnormal sound or Problem of Failure, solves the problems such as variator noise is big, leakage of oil has a big risk, consumption of lubricating oil is big simultaneously.
In order to achieve the above object, a kind of rear axle assy with drive motor that this utility model provides, including drive motor, variator and rear axle assy, described drive motor is connected with the front end of variator, and the rear end of variator is arranged on the middle part of rear axle assy, the case of transmission of described variator tightens together again through bolt after being fastened by left shell and right shell body, the outer wall of described left shell waist stretch out formation semicircular rear axle housing the first ring flange is installed, the outer wall of right shell body waist stretch out formation semicircular rear axle housing the second ring flange is installed, and rear axle housing installs the first ring flange and rear axle housing installs the second conglobate rear axle housing mounting flange of ring flange group, power input shaft hole and motor mounting flange it is provided with in the front portion of described left shell, the rear portion of left shell is provided with left half axle installing hole, the rear portion of right shell body is provided with right axle shaft installing hole, described left half axle installing hole and right axle shaft installing hole are coaxially disposed, left half axle installing hole and power input shaft hole are parallel to each other, it is characterized in that: the motor shaft of described drive motor stretches in the power input shaft hole of variator, being provided with driving gear on motor shaft drives the first order driven gear in variator to rotate, at the rear portion of case of transmission, except left half axle installing hole and right axle shaft installing hole, be there is a need to the position of lubrication and be all wrapped in transmission case body.
Being preferably, the motor housing of described drive motor is sequentially connected in series by installation bolt by motor front end cover, middle casing and back end cover for motor and forms.Motor housing is sequentially connected in series by motor front end cover, middle casing and back end cover for motor and forms, constitute an entirety, being connected with variator again through variator installing hole, after the housing of drive motor is independent, drive motor is installed with variator after can individually having assembled again; The structure by case of transmission is not limited, and can mate different variators, highly versatile.
Further, the antetheca of described motor front end cover is divided into middle circle ring portion, outer big fan-shaped ring portion and outer little fan-shaped ring portion, described outer big fan-shaped ring portion and outer little fan-shaped ring portion one complete cylindrical ring portion of composition, described middle circle ring portion, outer big fan-shaped ring portion front end flush, and the front end of little fan-shaped ring portion is lower than the front end of outer big fan-shaped ring portion outward, described outer little fan-shaped ring portion is provided with some loss of weight strengthening grooves. Optimize the front wall construction of motor front end cover, when installing with variator, outer big fan-shaped ring portion end contact corresponding to variator the end face of middle circle ring portion positions again through together with bolt-locking, and outer little fan-shaped ring portion is slightly lower, and between the corresponding end face of variator, leave gap, and outside little fan-shaped ring portion arranges some loss of weight strengthening grooves, both can guarantee that reliable location and installation, weight can be alleviated again, reduce cost, it is ensured that intensity.
It is preferably, the antetheca of described motor mounting flange is provided with the twice annular stopper positioning boss coaxial with power input shaft hole, annular stopper positioning boss inside being positioned at positions for the installation of permanent magnetic brushless, and the annular stopper positioning boss outside being positioned at positions for the installation of asynchronous machine; Being provided with three circumferentially uniform bolt installation bases on the antetheca of described motor mounting flange for installing permanent magnetic brushless, the bolt installation base of four rectangular distributions is used for installing asynchronous machine. Case of transmission casting, can be not only used for installing permanent magnetic brushless, can be used for again installing asynchronous machine, and generalization degree is high, saves die cost.
The front and back walls of described motor mounting flange is provided with reinforcement, and on antetheca, the reinforcement of close rear axle housing mounting flange side is more intensive than the reinforcement of opposite side. Owing to motor mounting flange is big near the force rate opposite side suffered by rear axle housing mounting flange side, therefore differentiation arranges reinforcement, can proof strength, cost can be saved again.
The beneficial effects of the utility model: the motor shaft of drive motor and the power input shaft Integral design of variator, adopt spline to couple the connection abnormal sound and inefficacy brought after effectively evading split design; Variator adopts packaging type structure, it is to avoid gear exposes, and lubricating oil has only to fill case of transmission, compare traditional structure to need to fill case of transmission and rear axle housing body, lubricating oil makes consumption greatly reduce, and decreases leakage of oil risk, reduces noise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the decomposing schematic representation of drive motor.
Fig. 3 is the structural representation of motor front end cover in Fig. 2.
Fig. 4 is the axonometric chart of variator.
Fig. 5 is the rearview of variator.
Fig. 6 is the sectional view of Fig. 5.
Fig. 7 is traditional open variator.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, the technical solution of the utility model is further described in detail:
The rear axle assy with drive motor as shown in Figure 1, is mainly made up of drive motor A, variator B and rear axle assy C tri-part.
The front end of drive motor A and variator B is connected, and the rear end of variator B is arranged on the middle part of rear axle assy C. Drive motor A is after variator B slows down, then by power transmission to the left and right semiaxis of rear axle assy C.
Shown in Fig. 4 Fig. 6, the case of transmission of variator B tightens together again through bolt after being fastened by left shell 1 and right shell body 2. The outer wall of left shell 1 waist stretch out formation semicircular rear axle housing the first ring flange 1a is installed, the outer wall of the right shell body 2 waist semicircular rear axle housing of formation that stretches out installs the second ring flange 2a, and rear axle housing is installed the first ring flange 1a and installed the second conglobate rear axle housing mounting flange of ring flange 2a group with rear axle housing for being connected with rear axle assy C.
Power input shaft hole 1b and motor mounting flange 1c it is provided with in the front portion of left shell 1, left half axle installing hole 1d it is provided with at the rear portion of left shell 1, right axle shaft installing hole 2b it is provided with at the rear portion of right shell body 2, left half axle installing hole 1d and right axle shaft installing hole 2b is coaxially disposed, and left half axle installing hole 1d and power input shaft hole 1b is parallel to each other. Shown in Fig. 1, Fig. 2, the motor shaft 4 of drive motor A stretches in the power input shaft hole 1b of variator B, being provided with driving gear 3 on motor shaft 4 drives the first order driven gear in variator B to rotate, it is achieved thereby that the power input shaft Integral design of the motor shaft of drive motor and variator.
At the rear portion of case of transmission, except left half axle installing hole 1d and right axle shaft installing hole 2b, be there is a need to the position of lubrication and be all wrapped in transmission case body. Preferably, the front and back walls of motor mounting flange 1c is provided with reinforcement, and on antetheca, the reinforcement of close rear axle housing mounting flange side is more intensive than the reinforcement of opposite side.
As shown in Figure 1 and Figure 2, the motor housing of drive motor A is sequentially connected in series by motor front end cover 5, middle casing 6 and back end cover for motor 7 forms by installing bolt.
The antetheca of motor front end cover 5 is divided into middle circle ring portion 5a, outer big fan-shaped ring portion 5b and outer little fan-shaped ring portion 5c, outer big fan-shaped ring portion 5b and outer little fan-shaped ring portion 5c forms a complete cylindrical ring portion, middle circle ring portion 5a, outer big fan-shaped ring portion 5b front end flush, and the front end than outer big fan-shaped ring portion 5b, the front end of little fan-shaped ring portion 5c is low outward, outer little fan-shaped ring portion 5c is provided with some loss of weight strengthening groove 5d.
The antetheca of motor mounting flange 1c is provided with the twice annular stopper positioning boss 1e coaxial with power input shaft hole 1b, annular stopper positioning boss 1e inside being positioned at positions for the installation of permanent magnetic brushless, and the annular stopper positioning boss 1e outside being positioned at positions for the installation of asynchronous machine; Being provided with three circumferentially uniform bolt installation bases on the antetheca of motor mounting flange 1c for installing permanent magnetic brushless, the bolt installation base of four rectangular distributions is used for installing asynchronous machine. Both permanent magnetic brushless can have been used as drive motor, asynchronous machine can be used again as drive motor.
Claims (5)
1. the rear axle assy with drive motor, including drive motor (A), variator (B) and rear axle assy (C), described drive motor (A) is connected with the front end of variator (B), and the rear end of variator (B) is arranged on the middle part of rear axle assy (C); the case of transmission of described variator (B) tightens together again through bolt after being fastened by left shell (1) and right shell body (2), the outer wall of described left shell (1) waist stretch out formation semicircular rear axle housing the first ring flange (1a) is installed, the outer wall of right shell body (2) waist stretch out formation semicircular rear axle housing the second ring flange (2a) is installed, and rear axle housing installs the first ring flange (1a) and rear axle housing is installed the second ring flange (2a) and organized conglobate rear axle housing mounting flange, power input shaft hole (1b) and motor mounting flange (1c) it is provided with in the front portion of described left shell (1), the rear portion of left shell (1) is provided with left half axle installing hole (1d), the rear portion of right shell body (2) is provided with right axle shaft installing hole (2b), described left half axle installing hole (1d) and right axle shaft installing hole (2b) are coaxially disposed, left half axle installing hole (1d) and power input shaft hole (1b) are parallel to each other, it is characterized in that: the motor shaft (4) of described drive motor (A) stretches in the power input shaft hole (1b) of variator (B), being provided with driving gear (3) on motor shaft (4) drives the first order driven gear in variator (B) to rotate,At the rear portion of case of transmission, except left half axle installing hole (1d) and right axle shaft installing hole (2b), be there is a need to the position of lubrication and be all wrapped in transmission case body.
2. the rear axle assy with drive motor described in claim 1, it is characterised in that: the motor housing of described drive motor (A) is sequentially connected in series by motor front end cover (5), middle casing (6) and back end cover for motor (7) forms by installing bolt.
3. the rear axle assy with drive motor described in claim 1, it is characterized in that: the antetheca of described motor front end cover (5) is divided into middle circle ring portion (5a), outer big fan-shaped ring portion (5b) and outer little fan-shaped ring portion (5c), described outer big fan-shaped ring portion (5b) and outer little fan-shaped ring portion (5c) form a complete cylindrical ring portion, described middle circle ring portion (5a), the front end of outer big fan-shaped ring portion (5b) flushes, and the front end of little fan-shaped ring portion (5c) is lower than the front end of outer big fan-shaped ring portion (5b) outward, described outer little fan-shaped ring portion (5c) is provided with some loss of weight strengthening grooves (5d).
4. the rear axle assy with drive motor described in claim 1, it is characterized in that: the antetheca of described motor mounting flange (1c) is provided with twice annular stopper positioning boss (1e) coaxial with power input shaft hole (1b), annular stopper positioning boss (1e) inside being positioned at positions for the installation of permanent magnetic brushless, and the annular stopper positioning boss (1e) outside being positioned at positions for the installation of asynchronous machine; Being provided with three circumferentially uniform bolt installation bases on the antetheca of described motor mounting flange (1c) for installing permanent magnetic brushless, the bolt installation base of four rectangular distributions is used for installing asynchronous machine.
5. the rear axle assy with drive motor described in claim 1, it is characterized in that: the front and back walls of described motor mounting flange (1c) is provided with reinforcement, and on antetheca, the reinforcement of close rear axle housing mounting flange side is more intensive than the reinforcement of opposite side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995625.6U CN205292254U (en) | 2015-12-03 | 2015-12-03 | Take driving motor's rear axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520995625.6U CN205292254U (en) | 2015-12-03 | 2015-12-03 | Take driving motor's rear axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292254U true CN205292254U (en) | 2016-06-08 |
Family
ID=56436688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520995625.6U Expired - Fee Related CN205292254U (en) | 2015-12-03 | 2015-12-03 | Take driving motor's rear axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205292254U (en) |
-
2015
- 2015-12-03 CN CN201520995625.6U patent/CN205292254U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20161203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |