CN205292965U - Bridge construction behind vehicle - Google Patents
Bridge construction behind vehicle Download PDFInfo
- Publication number
- CN205292965U CN205292965U CN201520930363.5U CN201520930363U CN205292965U CN 205292965 U CN205292965 U CN 205292965U CN 201520930363 U CN201520930363 U CN 201520930363U CN 205292965 U CN205292965 U CN 205292965U
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- CN
- China
- Prior art keywords
- wheel
- wheel shaft
- transmission case
- driving
- vehicle rear
- 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 relates to a bridge construction behind vehicle, it includes transmission portion, rear axle and braking portion, transmission portion includes motor, transmission case, wheel and shaft, be provided with the drive wheel in the transmission case and from the driving wheel, be in from the driving wheel suit the wheel is epaxial, the motor dynamic output shaft stretches into in the transmission case, the drive wheel is fixed on the motor dynamic output shaft, and the motor passes through the drive wheel and drives from driving wheel and shaft rotation. The utility model discloses a transmission case structure is placed drive part in the transmission case, can effectually prevent health position contact drive part and the injury, and the security is good. And installed the sealing washer that is used for the oil blanket on the transmission -case cover, can effectively prevent because of in other impurity falls into transmission (driving chain or gear) and drive wheel jamming and rotate inflexible condition and take place when causing the transmission to can prolong the life of driving medium.
Description
Technical field
This utility model relates to vehicle rear axle structure, particularly relates to the vehicle rear axle structure of a kind of electric motor car.
Background technology
Drive mechanism at the rear axle structure of current electric motor car is all naked to be exposed on the outside, and in use easily falls into dust or foreign material, causes drive mechanism impaired or transmission efficiency reduces; If user health is touched, being also easily caused injury to personnel, security performance is low. And it being typically all by driving monolateral wheel to drive the operation of whole vehicle, power transmission is uneven, travels unstable.
Utility model content
(1) to solve the technical problem that
For explaining the problems referred to above, this utility model provides the rear axle structure of a kind of electric motor car, and the drive mechanism of this back axle is arranged in a transmission case, effectively overcomes existing issue. And being capable of driving wheel drives the wheel on the related both sides of driven pulley to rotate, and effectively overcomes existing issue simultaneously.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of vehicle rear axle structure, and it includes driving section, back axle and braking parts; Described driving section includes motor, transmission case, wheel and wheel shaft; Wheel is fixed on wheel shaft two ends; Braking parts includes brake and the braking dish being arranged on wheel shaft; Described brake is fixing with back axle to be connected, and is used for braking dish braking; Being symmetrically arranged with wheel shaft trepanning on transmission case, described wheel shaft is through wheel shaft trepanning traverse transmission case; Being provided with driving wheel and driven pulley in transmission case, driven pulley is sleeved on described wheel shaft, and described motor power output shaft stretches in transmission case, and described driving wheel is fixed on motor power output shaft, and motor drives driven pulley and wheel shaft to rotate by driving wheel.
Further, described driving wheel and described driven pulley are belt pulley or sprocket wheel, and driving wheel is rotated by belt or chain-driving driven pulley and wheel shaft; Or, driving wheel and driven pulley are the gear cooperated, and driving wheel directly drives driven pulley to rotate.
Further, described vehicle rear axle structure also includes the fixing seat of back axle, and the fixing seat of described back axle is connected with described back axle, and back axle is fixing is provided with cushion collar between seat and described back axle. Vehicle inclination of vertical and horizontal in running can be realized by arranging cushion collar, make vehicle more stable.
Further, it is provided with sealing ring between described transmission case wheel shaft trepanning and described wheel shaft; It is provided with sealing ring between transmission case and described motor power output shaft.
Further, described vehicle rear axle structure also includes braking dish flange, is provided with rectangular through-hole in the middle of braking dish flange, and wheel shaft is provided with the rectangular portion that cross section is rectangle, braking dish flange sleeve is contained in rectangular portion, and described braking dish is fixing with described braking dish flange to be connected.
Further, being provided with the through hole holding described wheel shaft in the middle of described back axle, be provided with in back axle spacer sleeve in the middle of in through hole, in through hole, two ends are provided with bearing, and back axle is rotatably mounted around on wheel shaft by bearing.
Further, described vehicle rear axle structure also includes wheel flange, is provided with rectangular through-hole in the middle of wheel flange, and wheel flange is sleeved in the rectangular portion of described wheel shaft, and described wheel is fixing with wheel flange to be connected.
(3) beneficial effect
Technique scheme of the present utility model has the advantages that this utility model adopts transmission case structure, is placed in transmission case by running part, it is possible to effectively prevent body contact running part and injured, and safety is good. And on transmission-case cover, it is mounted with the sealing ring for oil sealing, can effectively prevent from falling in transmission (driving-chain or gear) and drive because of other impurity, clamping stagnation and rotate inflexible situation and occur when causing transmission such that it is able to extend the service life of driving member.
Wheel and driven pulley are directly anchored on wheel shaft, output wheel drives transmission band (driving-chain or gear), transmission band (driving-chain or gear) drives driven pulley and whole wheel shaft and wheel turns, the wheel making both sides simultaneously drives vehicle movement, contrast the structure that monolateral wheel drives, the power on these construction vehicle both sides is balanced, it is possible to making vehicle movement more steady, this knot is enough advantageously. During the braking of this structure, brake grab braking dish, make the wheel on both sides stop operating simultaneously, the wheel on both sides is scrape along the ground simultaneously, improves stationarity during braking, it is possible to reduce the risk of vehicle rollover during braking.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of this utility model embodiment;
Fig. 2 is the transverse sectional view of this utility model embodiment;
Fig. 3 is the transmission case internal view of this utility model embodiment;
The back axle that Fig. 4 is this utility model embodiment is connected sectional view with the fixing seat of back axle;
Fig. 5 is the schematic perspective view of this utility model embodiment;
Wherein, 4: driving wheel; 5: wheel; 6: wheel flange; 8: gear shift cover; 9: sealing ring; 10: wheel shaft; 11: bearing; 12: transmission band or driving-chain; 13: spacer sleeve in back axle; 14: driven pulley; 15: transmission case; 17: motor; 18: back axle; 19: brake stator; 20: spacer; 21: brake; 22: braking dish; 23: braking dish flange; 24: cushion collar; 25: seat fixed by back axle.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail. Following example are used for illustrating this utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model. In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be joined directly together, it is also possible to be indirectly connected to by intermediary. For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
As Figure 1-5, a kind of vehicle rear axle structure described in the present embodiment, it includes driving section, back axle 18 and braking parts; Driving section includes motor 17, transmission case 15, wheel 5 and wheel shaft 10; Wheel 5 is fixed on wheel shaft 10 two ends; Wherein 8 is transmission-case cover.
Braking parts includes brake 21 and the braking dish 22 being arranged on wheel shaft 10; Brake 21 is fixed on back axle 18 by brake stator 19, is used for braking dish 22 and brakes; Being symmetrically arranged with wheel shaft trepanning 15a on transmission case 15, wheel shaft 10 is through wheel shaft trepanning 15a traverse transmission case 15; Driving wheel 4 and driven pulley 14 it is provided with in transmission case 15, driven pulley 14 is sleeved on wheel shaft 10, motor 17 power output shaft stretches in transmission case 15, and driving wheel 4 is fixed on motor 17 power output shaft, and motor 17 drives driven pulley 14, wheel shaft 10 and wheel 5 to rotate by driving wheel 4. Driving wheel 4 and driven pulley 14 are belt pulley or sprocket wheel, and driving wheel 4 drives driven pulley 14 and wheel shaft 10 to rotate by belt or chain 12.
Vehicle rear axle structure also includes the fixing seat 25 of back axle, and the fixing seat 25 of back axle is connected with back axle 18, and back axle is fixing is provided with cushion collar 24 between seat 25 and back axle 18. Electric motor car car body is fixedly connected on the fixing seat 25 of back axle.
It is provided with sealing ring 9 between wheel shaft trepanning 15a and the wheel shaft 10 of transmission case 15; It is also equipped with sealing ring between transmission case 15 and motor 17 power output shaft.
Vehicle rear axle structure also includes braking dish flange 23, is provided with rectangular through-hole, wheel shaft 10 is provided with the rectangular portion that cross section is rectangle in the middle of braking dish flange 23, and braking dish flange 23 is sleeved in rectangular portion, and braking dish 22 is fixing with braking dish flange 23 to be connected. Wherein 20 is spacer.
Being provided with the through hole holding wheel shaft 10 in the middle of back axle 18, be provided with in back axle spacer sleeve 13 in the middle of in through hole, in through hole, two ends are provided with bearing 11, and back axle 18 is sleeved on wheel shaft 10 by spacer sleeve 13 in back axle and bearing 11.
Vehicle rear axle structure also includes wheel flange 6, is provided with rectangular through-hole in the middle of wheel flange 6, and wheel flange 6 is sleeved in the rectangular portion of wheel shaft 10, and wheel 5 is fixing with wheel flange 6 to be connected.
Embodiment of the present utility model provides for example with for the purpose of describing, and is not exhaustively or this utility model is limited to disclosed form. Many modifications and variations are apparent from for the ordinary skill in the art. Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, makes those of ordinary skill in the art it will be appreciated that this utility model is thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (7)
1. a vehicle rear axle structure, it is characterised in that it includes driving section, back axle and braking parts;Described driving section includes motor, transmission case, wheel and wheel shaft; Wheel is fixed on wheel shaft two ends; Braking parts includes brake and the braking dish being arranged on wheel shaft; Described brake is fixing with back axle to be connected, and is used for braking dish braking; Being symmetrically arranged with wheel shaft trepanning on transmission case, described wheel shaft is through wheel shaft trepanning traverse transmission case; Being provided with driving wheel and driven pulley in transmission case, driven pulley is sleeved on described wheel shaft, and the power output shaft of described motor stretches in transmission case, and described driving wheel is fixed on motor power output shaft, and motor drives driven pulley and wheel shaft to rotate by driving wheel.
2. vehicle rear axle structure according to claim 1, it is characterised in that described driving wheel and described driven pulley are belt pulley or sprocket wheel, driving wheel is rotated by belt or chain-driving driven pulley and wheel shaft; Or, driving wheel and driven pulley are the gear cooperated, and driving wheel directly drives driven pulley to rotate.
3. vehicle rear axle structure according to claim 1, it is characterised in that described vehicle rear axle structure also includes the fixing seat of back axle, and the fixing seat of described back axle is connected with described back axle, and back axle is fixing is provided with cushion collar between seat and described back axle.
4. vehicle rear axle structure according to claim 1, it is characterised in that be provided with sealing ring between wheel shaft trepanning and the described wheel shaft of described transmission case; It is provided with sealing ring between transmission case and described motor power output shaft.
5. vehicle rear axle structure according to claim 1, it is characterized in that, described vehicle rear axle structure also includes braking dish flange, it is provided with rectangular through-hole in the middle of braking dish flange, wheel shaft is provided with the rectangular portion that cross section is rectangle, braking dish flange sleeve is contained in rectangular portion, and described braking dish is fixing with described braking dish flange to be connected.
6. vehicle rear axle structure according to claim 1, it is characterized in that, in the middle of described back axle, be provided with the through hole holding described wheel shaft, in the middle of in through hole, be provided with in back axle spacer sleeve, in through hole, two ends are provided with bearing, and back axle is rotatably mounted around on wheel shaft by bearing.
7. vehicle rear axle structure according to claim 5, it is characterized in that, described vehicle rear axle structure also includes wheel flange, is provided with rectangular through-hole in the middle of wheel flange, wheel flange is sleeved in the rectangular portion of described wheel shaft, and described wheel is fixing with wheel flange to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520930363.5U CN205292965U (en) | 2015-11-19 | 2015-11-19 | Bridge construction behind vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520930363.5U CN205292965U (en) | 2015-11-19 | 2015-11-19 | Bridge construction behind vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205292965U true CN205292965U (en) | 2016-06-08 |
Family
ID=56462067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520930363.5U Expired - Fee Related CN205292965U (en) | 2015-11-19 | 2015-11-19 | Bridge construction behind vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205292965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109569A (en) * | 2018-09-11 | 2019-01-01 | 浙江易力车业有限公司 | A kind of rear axle drive structure on beach buggy |
-
2015
- 2015-11-19 CN CN201520930363.5U patent/CN205292965U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109569A (en) * | 2018-09-11 | 2019-01-01 | 浙江易力车业有限公司 | A kind of rear axle drive structure on beach buggy |
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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: 20201119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |