CN204095402U - A kind of reinforcement structure of electric automobile drive axle - Google Patents
A kind of reinforcement structure of electric automobile drive axle Download PDFInfo
- Publication number
- CN204095402U CN204095402U CN201420534252.8U CN201420534252U CN204095402U CN 204095402 U CN204095402 U CN 204095402U CN 201420534252 U CN201420534252 U CN 201420534252U CN 204095402 U CN204095402 U CN 204095402U
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- CN
- China
- Prior art keywords
- sleeve pipe
- axle
- shaft sleeve
- left half
- change speed
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- Withdrawn - After Issue
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Abstract
A kind of reinforcement structure of electric automobile drive axle, comprise the change speed gear box being arranged on and drive axle is made up of left box body and right case, be arranged on left half axle sleeve pipe and the right axle shaft sleeve pipe of change speed gear box both sides, left half axle sleeve pipe is connected with right axle shaft sleeve pipe by left and right flanges dish by the middle part of change speed gear box, left and right flanges dish is respectively equipped with reinforced rib, one end of reinforced rib stretches out along the axis of left and right flanges dish respectively, and the extension of reinforced rib is connected with the outer wall of left half axle sleeve pipe and right axle shaft sleeve pipe respectively.The reinforcement structure of this electric automobile drive axle is by change speed gear box and the reinforced rib that arranges between left half axle sleeve pipe and right axle shaft sleeve pipe, enhance change speed gear box and Joint strenght between left half axle sleeve pipe and right axle shaft sleeve pipe, also simplify the scantling of structure of attaching parts simultaneously, both the car body weight of battery-driven car can have been alleviated, the manufacturing cost of battery-driven car can be reduced again, energy-conservation effect can also be reached, improve the safety of drive axle, reliability and service life simultaneously.
Description
Technical field
The utility model relates to electric vehicle engineering field, is specifically related to a kind of reinforcement structure of electric automobile drive axle.
Background technology
Rear axle of electric automobile is the main drive element of electronlmobil, and it passes through drive motor, retarder by transmission of power to rear wheel, and driven the traveling of electronlmobil by rear wheel, the front-wheel of electronlmobil can be used as driven and steered wheel.Current pure electric automobile drives back axle, directly connect and compose by between split-type structural rear axle housing body and the gearbox body of centre, because rear axle housing body is thinner, add the fatigue stress that the vibrations of jolting in vehicle operating produce, junction between rear axle housing body and gearbox body very easily fractures, and safety is low.Thicken the method for rear axle housing body wall thickness if take, improve the Joint strenght between rear axle housing body and middle gearbox body, the deadweight of car body will be increased, improve the energy consumption of vehicle, also can increase the manufacturing cost of vehicle simultaneously.
Chinese patent ZL201320050162.7 discloses a kind of reducing gearbox for the horizontal connection of battery-driven car, comprise housing, back axle attachment face, motor mounting face, mounting hole, reinforced rib and gear axocoel, the upper surface of described housing is rear-axle casing attachment face, the lower surface of described housing is motor mounting face, described housing central section is gear axocoel, the surrounding of described rear-axle casing attachment face and motor mounting face is equipped with several mounting holes, the position that described rear-axle casing attachment face and motor mounting face are connected to housing is provided with multiple reinforced rib, and described reinforced rib and housing are integrated casting.Although this utility model is easy for installation, solve the monolateral stressed state of retarder unbalance stress, its structure is comparatively complicated, and reinforced rib is less, can not play the effect of reinforcement.
Utility model content
The utility model object is, overcomes defect of the prior art, and provide a kind of structure simple, Joint strenght is high, is easy to the reinforcement structure of the electric automobile drive axle processed.
For achieving the above object, the technical solution of the utility model is: the reinforcement structure providing a kind of electric automobile drive axle, comprise the change speed gear box being arranged on and drive axle is made up of left box body and right case, be arranged on left half axle sleeve pipe and the right axle shaft sleeve pipe of change speed gear box both sides, left flange plate is passed through at the middle part of change speed gear box, left half axle sleeve pipe is connected with right axle shaft sleeve pipe by right flange, at described left flange plate, right flange dish is respectively equipped with reinforced rib, one end of described reinforced rib is respectively along left flange plate, the axis of right flange stretches out, the extension of described reinforced rib is connected with the outer wall of left half axle sleeve pipe and right axle shaft sleeve pipe respectively.
In order to make change speed gear box and the connecting portion uniform force between left half axle sleeve pipe and right axle shaft sleeve pipe, preferred technical scheme is, described left flange plate, right flange are at least provided with three reinforced ribs respectively.
For the ease of the propulsive effort of drive motor is sent to wheel, simultaneously in order to bearing seat and axle tube are firmly connected into integral structure, preferred technical scheme also has, bearing seat is respectively equipped with at the left end of described left half axle sleeve pipe and the right-hand member of right axle shaft sleeve pipe, bearing is provided with in bearing seat, bearing is built with jackshaft, one end of jackshaft is connected with wheel, the other end of jackshaft is connected with the differential gear in change speed gear box, jackshaft comprises Left Drive semiaxis and right jackshaft, Left Drive semiaxis and right jackshaft are set in left half axle sleeve pipe and right axle shaft sleeve pipe.
For the ease of the processing and manufacturing of gearbox body and reinforced rib, preferred technical scheme also has, left box body, the right case of described left flange plate, right flange and change speed gear box form inblock cast structure, the joint face of flange is described left flange plate, the left box body of right flange and change speed gear box, right case form inblock cast structure respectively, the joint face of left flange plate, right flange is the end face after machinework, and reinforced rib is arranged on the left and right box surface of change speed gear box.
In order to simplified structure, increase change speed gear box and the Joint strenght between left half axle sleeve pipe and right axle shaft sleeve pipe, preferred technical scheme is further, described reinforced rib structure in the form of sheets.
In order to simplified structure, increase change speed gear box and the Joint strenght between left half axle sleeve pipe and right axle shaft sleeve pipe, preferred technical scheme also has further, the extension of described reinforced rib respectively with the outer wall weld together of left half axle sleeve pipe and right axle shaft sleeve pipe.
In order to simplified structure, increase bearing seat and the Joint strenght between left half axle sleeve pipe and right axle shaft sleeve pipe, preferred technical scheme is further, the left end of described left half axle sleeve pipe and the right-hand member of right axle shaft sleeve pipe respectively with bearing seat weld together.
For the ease of the braking of battery-driven car, preferred technical scheme also has, and is provided with braking device in the side of described bearing seat.
Advantage of the present utility model and beneficial effect are, the reinforcement structure of this electric automobile drive axle, by at change speed gear box and the reinforced rib that arranges between left half axle sleeve pipe and right axle shaft sleeve pipe, enhance change speed gear box and Joint strenght between left half axle sleeve pipe and right axle shaft sleeve pipe, also simplify the scantling of structure of attaching parts simultaneously, both the overall weight of battery-driven car can have been alleviated, the manufacturing cost of battery-driven car can be reduced again, energy-conservation effect can also be reached, improve the safety of drive axle, reliability and service life simultaneously.
Accompanying drawing explanation
Fig. 1 is the reinforcement structural front view of the utility model electric automobile drive axle;
Fig. 2 is the reinforcement structure birds-eye view of the utility model electric automobile drive axle;
Fig. 3 is the A-A cutaway view of Fig. 2.
In figure: 1-change speed gear box, 2-left half axle sleeve pipe, 3-right axle shaft sleeve pipe, 4.1-left flange plate, the right flange of 4.2-, 5-reinforced rib, 6-bearing seat, 7-drg.
Detailed description of the invention
As shown in Figures 1 to 3, the reinforcement structure of a kind of electric automobile drive axle of the utility model, comprise the change speed gear box 1 being arranged on and drive axle is made up of left box body and right case, be arranged on left half axle sleeve pipe 2 and the right axle shaft sleeve pipe 3 of change speed gear box 1 both sides, the middle part of change speed gear box 1 is by left flange plate 4.1, left half axle sleeve pipe 2 is connected with right axle shaft sleeve pipe 3 by right flange 4.2, at described left flange plate 4.1, right flange 4.2 is respectively equipped with reinforced rib 5, one end of described reinforced rib 5 is respectively along left flange plate, the axis of right flange 5 stretches out, the extension of described reinforced rib 5 is connected with the outer wall of left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3 respectively.
The utility model is in order to make change speed gear box 1 and the connecting portion uniform force between left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3, and preferred embodiment is, described left flange plate 4.1, right flange 4.2 are respectively equipped with three reinforced ribs 5.
The utility model is for the ease of being sent to wheel by the propulsive effort of drive motor, simultaneously in order to bearing seat and axle tube are firmly connected into integral structure, preferred embodiment also has, bearing seat 6 is respectively equipped with at the left end of described left half axle sleeve pipe 2 and the right-hand member of right axle shaft sleeve pipe 3, bearing is provided with in bearing seat 6, bearing is built with jackshaft, one end of jackshaft is connected with wheel, the other end of jackshaft is connected with the differential gear in change speed gear box 1, jackshaft comprises Left Drive semiaxis and right jackshaft, Left Drive semiaxis and right jackshaft are set in left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3.
The utility model is for the ease of the processing and manufacturing of change speed gear box 1 with reinforced rib 5, preferred embodiment also has, left box body, the right case of described left flange plate 4.1, right flange 4.2 and change speed gear box 1 form inblock cast structure respectively, the joint face of left flange plate, right flange 4 is the end face after machinework, and reinforced rib 5 is arranged on left box body, the right case surface of change speed gear box.
The utility model is in order to simplified structure, and increase change speed gear box 1 and the Joint strenght between left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3, further preferred embodiment is, described reinforced rib 5 structure in the form of sheets.
The utility model is in order to simplified structure, increase change speed gear box 1 and the Joint strenght between left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3, further preferred embodiment also has, the extension of described reinforced rib 5 respectively with the outer wall weld together of left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3.
In order to simplified structure, increase bearing seat 6 and the Joint strenght between left half axle sleeve pipe 2 and right axle shaft sleeve pipe 3, further preferred embodiment is, the left end of described left half axle sleeve pipe 2 and the right-hand member of right axle shaft sleeve pipe 3 respectively with bearing seat 6 weld together.
The utility model is for the ease of the braking of battery-driven car, and preferred embodiment also has, and is provided with drg 7 in the side of described bearing seat 6.
The utility model is not limited to above-mentioned embodiment, those skilled in the art make to any apparent improvement of above-mentioned embodiment or change, all can not exceed the protection domain of design of the present utility model and claims.
Claims (7)
1. the reinforcement structure of an electric automobile drive axle, comprise the change speed gear box being arranged on and drive axle is made up of left box body and right case, be arranged on left half axle sleeve pipe and the right axle shaft sleeve pipe of change speed gear box both sides, left flange plate is passed through at the middle part of change speed gear box, left half axle sleeve pipe is connected with right axle shaft sleeve pipe by right flange, it is characterized in that, at described left flange plate, right flange is respectively equipped with reinforced rib, one end of described reinforced rib is respectively along left flange plate, the axis of right flange stretches out, the extension of described reinforced rib is connected with the outer wall of left half axle sleeve pipe and right axle shaft sleeve pipe respectively.
2. the reinforcement structure of electric automobile drive axle as claimed in claim 1, is characterized in that, described left flange plate, right flange are at least provided with three reinforced ribs respectively.
3. the reinforcement structure of electric automobile drive axle as claimed in claim 1, it is characterized in that, bearing seat is respectively equipped with at the left end of described left half axle sleeve pipe and the right-hand member of right axle shaft sleeve pipe, bearing is provided with in bearing seat, bearing is built with jackshaft, one end of jackshaft is connected with wheel, the other end of jackshaft is connected with the differential gear in change speed gear box, jackshaft comprises Left Drive semiaxis and right jackshaft, and Left Drive semiaxis and right jackshaft are set in left half axle sleeve pipe and right axle shaft sleeve pipe.
4. the reinforcement structure of electric automobile drive axle as claimed in claim 1, is characterized in that, described reinforced rib structure in the form of sheets.
5. the reinforcement structure of electric automobile drive axle as claimed in claim 1, is characterized in that, the extension of described reinforced rib respectively with the outer wall weld together of left half axle sleeve pipe and right axle shaft sleeve pipe.
6. the reinforcement structure of electric automobile drive axle as claimed in claim 3, is characterized in that, the left end of described left half axle sleeve pipe and the right-hand member of right axle shaft sleeve pipe respectively with bearing seat weld together.
7. the reinforcement structure of electric automobile drive axle as claimed in claim 6, is characterized in that, be provided with drg in the side of described bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534252.8U CN204095402U (en) | 2014-09-17 | 2014-09-17 | A kind of reinforcement structure of electric automobile drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420534252.8U CN204095402U (en) | 2014-09-17 | 2014-09-17 | A kind of reinforcement structure of electric automobile drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204095402U true CN204095402U (en) | 2015-01-14 |
Family
ID=52263863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420534252.8U Withdrawn - After Issue CN204095402U (en) | 2014-09-17 | 2014-09-17 | A kind of reinforcement structure of electric automobile drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204095402U (en) |
-
2014
- 2014-09-17 CN CN201420534252.8U patent/CN204095402U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Reinforcement structure of electric vehicle drive axle Effective date of registration: 20161124 Granted publication date: 20150114 Pledgee: Beijing Intellectual Property Management Co., Ltd. Pledgor: XUCHANG HERUN MECHANICAL AND ELECTRICAL CO., LTD. Registration number: 2016990001020 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181225 Granted publication date: 20150114 Pledgee: Beijing Intellectual Property Management Co., Ltd. Pledgor: XUCHANG HERUN MECHANICAL AND ELECTRICAL CO., LTD. Registration number: 2016990001020 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20201123 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150114 Effective date of abandoning: 20201123 |