CN107444043A - Electric automobile back suspension device - Google Patents
Electric automobile back suspension device Download PDFInfo
- Publication number
- CN107444043A CN107444043A CN201710672022.6A CN201710672022A CN107444043A CN 107444043 A CN107444043 A CN 107444043A CN 201710672022 A CN201710672022 A CN 201710672022A CN 107444043 A CN107444043 A CN 107444043A
- Authority
- CN
- China
- Prior art keywords
- back axle
- bar
- damping
- electric automobile
- suspension device
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/30—Rigid axle suspensions
- B60G2200/32—Rigid axle suspensions pivoted
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A kind of electric automobile back suspension device, including integral type back axle, back axle bottom install two longitudinal ties being connected with vehicle frame, back axle top main damping installation seat and main damping spring, two secondary dampings for being connected to back axle rear portion, located lateral bar, the electric automobile back suspension device of the invention, it is installed on the rear of bottom of frame, damping effect, good damping effect are provided for installing wheel, and to vehicle frame, buffer capacity is strong, especially suitable for electric automobile.
Description
Technical field
The present invention relates to the parts technical field of electric automobile, more particularly to a kind of electric automobile back suspension device.
Background technology
Low-speed electronic automobile, also known as electrocar, particularly in China vast combination area of city and country position and rural area, make
For the trip instrument of broad masses of the people, good popularization and application are obtained, daytime, trip can keep out wind and rain, after going home at night
Directly it can be charged with civil power, it is not necessary to special charging station and charging pile, it is simple and practical, it is deep by broad masses of the people's
Like, in order to meet the needs of people, relevant enterprise and unit have carried out many research and development to this, existing this kind of
It is essentially all that row buffering and damping are entered using latch plate between the back axle and vehicle frame of electric automobile, cushioning ability is poor, seating
Comfort level is not high, has much room for improvement.
The content of the invention
To solve the above problems, the purpose of the present invention is to propose to a kind of electric automobile back suspension device.
Technical scheme is as follows:A kind of electric automobile back suspension device, including integral type back axle, back axle bottom peace
Dress two longitudinal ties being connected with vehicle frame, back axle top main damping installation seat and main damping spring, be connected to back axle after
Two secondary dampings in portion, located lateral bar, it is characterized in that:Described back axle includes main body, the wheel mounting disc at both ends, middle part
Differential mechanism;Two described longitudinal ties are the groove body that Open Side Down, are symmetrically mounted on the both sides of back axle, longitudinal tie
Rear portion is connected by two bearing pins with being fixed on the pull bar mounting seat of the back axle bottom groove profile that Open Side Down, before longitudinal tie
End is hinged by revolute pair and vehicle frame;Described main shock mount is a disk body, and lug boss, main damping are provided with the middle part of disk body
Lower spring end set is sitting in the lug boss, and the upper end of main damping spring is used for connecting vehicle frame chassis;It is provided with behind the right side of back axle
The triangle locating rod mounting bracket at rear is horizontally directed to, the mounting bracket includes the straight-bar vertical with back axle and with back axle in angle
Brace, one end of described located lateral bar are connected by the afterbody of revolute pair and straight-bar, and the other end of located lateral bar passes through
Revolute pair is used to be connected with frame chassis.
Preferably, the inner side for being arranged in two main damping springs of described two secondary dampings two respectively symmetrically, pair subtract
The lower end of shake is hinged on the secondary damping installation seat for the groove profile for being fixed on the opening upwards below back axle, and secondary damping subtracts for hydraulic pressure
Shake, the upper end of secondary damping is used for connecting vehicle frame chassis.
Preferably, the rear portion of described longitudinal tie is provided with two bearing pin sleeve pipes, and cylinder is provided with two bearing pin sleeve pipes
Shape buffers cylinder, and described bearing pin is through inside the axis hole at the middle part of the buffering cylinder.
Preferably, the revolute pair of described longitudinal tie front end includes bearing pin sleeve pipe, cylinder is provided with bearing pin sleeve pipe
Buffering cylinder, be through the buffering cylinder middle part axis hole inside hinging pin shaft.
The solution have the advantages that:
The electric automobile back suspension device of the invention, the rear of bottom of frame is installed on, is provided for installing wheel, and to vehicle frame
Damping effect, good damping effect, buffer capacity is strong, especially suitable for electric automobile.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the electric automobile back suspension device;
Fig. 2 is Fig. 1 A-A cross-sectional views;
Fig. 3 is Fig. 1 B-B cross-sectional views;
Fig. 4 is one of dimensional structure diagram of the electric automobile back suspension device;
Fig. 5 is the two of the dimensional structure diagram of the electric automobile back suspension device;
Fig. 6 is one of dimensional structure diagram of back axle and its welding assembly above in Fig. 1;
Fig. 7 is two of the dimensional structure diagram of back axle and its welding assembly above in Fig. 1;
Fig. 8 is the front view of longitudinal tie in Fig. 1;
Fig. 9 is Fig. 8 C-C cross-sectional views;
Figure 10 is Fig. 8 D-D cross-sectional views;
Figure 11 is Fig. 8 E-E cross-sectional views;
Figure 12 is Fig. 8 dimensional structure diagram
1. back axles, 2. longitudinal ties, 3. wheel mounting discs, 4. main damping springs, 5. differential mechanisms, 6. located lateral bars, 7. in figure
Secondary damping, 8. straight-bars, 9. revolute pairs, 10. braces, 11. bearing pins, 12. revolute pairs, 13. pull bar mounting seats, 14. secondary damping peaces
Fill seat, 15. main shock mounts, 21. sleeve pipes, 22. cylindrical buffer cylinders, 23. sleeve pipes, 24. cylindrical buffer cylinders,
25. groove profile bar body.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one:Referring to Fig. 1-12, a kind of electric automobile back suspension device in figure, including under integral type back axle, back axle
Portion installation two longitudinal ties being connected with vehicle frame, back axle top main damping installation seat and main damping spring, be connected to after
Two secondary dampings at bridge rear portion, located lateral bar, it is characterized in that:Described back axle include main body, both ends wheel mounting disc, in
The differential mechanism in portion;Two described longitudinal ties are the groove body that Open Side Down, are symmetrically mounted on the both sides of back axle, and longitudinal direction is drawn
The rear portion of bar is connected by two bearing pins with being fixed on the pull bar mounting seat of the back axle bottom groove profile that Open Side Down, longitudinal tie
Front end be hinged by revolute pair and vehicle frame;Described main shock mount is a disk body, and lug boss is provided with the middle part of disk body, main
Damping spring lower end set is sitting in the lug boss, and the upper end of main damping spring is used for connecting vehicle frame chassis;Behind the right side of back axle
Provided with the triangle locating rod mounting bracket for being horizontally directed to rear, the mounting bracket includes the straight-bar vertical with back axle and with back axle in folder
The brace at angle, one end of described located lateral bar are connected by the afterbody of revolute pair and straight-bar, the other end of located lateral bar
It is used to be connected with frame chassis by revolute pair.
The inner side for being arranged in two main damping springs of two described secondary dampings two respectively symmetrically, the lower end of secondary damping
It is hinged on the secondary damping installation seat for the groove profile for being fixed on the opening upwards below back axle, secondary damping is hydraulic shock-absorption, secondary damping
Upper end be used for connecting vehicle frame chassis.
Wherein longitudinal tie, pull bar mounting seat, secondary damping installation seat use hollow trench structure, can mitigate certainly
Weight, so as to reduce the deadweight of vehicle.
The rear portion of described longitudinal tie is provided with two bearing pin sleeve pipes, and cylindrical buffer post is provided with two bearing pin sleeve pipes
Body, described bearing pin are through inside the axis hole at the middle part of the buffering cylinder.
The revolute pair of described longitudinal tie front end includes bearing pin sleeve pipe, cylindrical buffer post is provided with bearing pin sleeve pipe
Body, be through the buffering cylinder middle part axis hole inside hinging pin shaft.
This can reduce changes in vehicle speed wheel rear axle etc. by cylindrical buffer cylinder at two and vehicle frame is rushed above
Hit, according to quality of rubber materials, its buffering effect can be more preferable.
Claims (3)
1. a kind of electric automobile back suspension device, including integral type back axle, two of the installation of back axle bottom be connected with vehicle frame indulge
To pull bar, the main damping installation seat on back axle top and main damping spring, it is connected to two secondary dampings, the located laterals at back axle rear portion
Bar, it is characterized in that:Described back axle includes main body, the wheel mounting disc at both ends, the differential mechanism at middle part;Draw two described longitudinal directions
Bar is the groove body that Open Side Down, is symmetrically mounted on the both sides of back axle, and the rear portion of longitudinal tie passes through two bearing pins and fixation
In back axle bottom, the pull bar mounting seat connection for the groove profile that Open Side Down, the front end of longitudinal tie are cut with scissors by revolute pair and vehicle frame
Connect;Described main shock mount is a disk body, and lug boss is provided with the middle part of disk body, and main damping spring lower end set is sitting in the projection
Portion, the upper end of main damping spring are used for connecting vehicle frame chassis;The triangle for being horizontally directed to rear is provided with behind the right side of back axle
Locating rod mounting bracket, the mounting bracket include the straight-bar vertical with back axle and the brace with back axle in angle, described located lateral
One end of bar is connected by the afterbody of revolute pair and straight-bar, and the other end of located lateral bar is used for by revolute pair and frame chassis
Connection;The revolute pair of described longitudinal tie front end includes bearing pin sleeve pipe, is provided with cylindrical buffer cylinder in bearing pin sleeve pipe, wears
The hinging pin shaft inside the axis hole at the middle part of the buffering cylinder.
2. electric automobile back suspension device according to claim 1, it is characterized in that:Two described secondary two difference of damping
It is arranged symmetrically on the inner side of two main damping springs, the lower end of secondary damping is hinged on the opening upwards that are fixed on below back axle
On the secondary damping installation seat of groove profile, secondary damping is hydraulic shock-absorption, and the upper end of secondary damping is used for connecting vehicle frame chassis.
3. electric automobile back suspension device according to claim 1, it is characterized in that:The rear portion of described longitudinal tie is provided with
Two bearing pin sleeve pipes, are provided with cylindrical buffer cylinder in two bearing pin sleeve pipes, and described bearing pin is through in the buffering cylinder
Inside the axis hole in portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710672022.6A CN107444043B (en) | 2017-08-08 | 2017-08-08 | Rear suspension device of electric automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710672022.6A CN107444043B (en) | 2017-08-08 | 2017-08-08 | Rear suspension device of electric automobile |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107444043A true CN107444043A (en) | 2017-12-08 |
CN107444043B CN107444043B (en) | 2023-04-28 |
Family
ID=60491380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710672022.6A Active CN107444043B (en) | 2017-08-08 | 2017-08-08 | Rear suspension device of electric automobile |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107444043B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109515094A (en) * | 2018-12-29 | 2019-03-26 | 新乡市合众鑫辉车业有限公司 | A kind of electric car rear suspension structure |
CN110254156A (en) * | 2019-07-05 | 2019-09-20 | 吴桃 | The damping device of five wheel vehicles |
CN112298433A (en) * | 2020-11-02 | 2021-02-02 | 贵州大学 | Tricycle rear axle shock attenuation suspension |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1609631A1 (en) * | 2004-06-24 | 2005-12-28 | GM Global Technology Operations, Inc. | Rear suspension for passenger vehicle with driven rear wheels |
WO2009068781A2 (en) * | 2007-11-12 | 2009-06-04 | Renault S.A.S | Motor vehicle rear suspension with toe-in control link |
CN104325855A (en) * | 2014-11-19 | 2015-02-04 | 重庆永淳新能源科技有限公司 | Anti-collision safety rear axle structure for rear-drive electric automobile |
CN204296395U (en) * | 2014-11-18 | 2015-04-29 | 重庆永淳新能源科技有限公司 | A kind of rear axle of electric automobile damping mechanism |
-
2017
- 2017-08-08 CN CN201710672022.6A patent/CN107444043B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1609631A1 (en) * | 2004-06-24 | 2005-12-28 | GM Global Technology Operations, Inc. | Rear suspension for passenger vehicle with driven rear wheels |
WO2009068781A2 (en) * | 2007-11-12 | 2009-06-04 | Renault S.A.S | Motor vehicle rear suspension with toe-in control link |
CN204296395U (en) * | 2014-11-18 | 2015-04-29 | 重庆永淳新能源科技有限公司 | A kind of rear axle of electric automobile damping mechanism |
CN104325855A (en) * | 2014-11-19 | 2015-02-04 | 重庆永淳新能源科技有限公司 | Anti-collision safety rear axle structure for rear-drive electric automobile |
Non-Patent Citations (1)
Title |
---|
左申傲等: "新型机动车前轮减震器设计", 《安徽工程科技学院学报(自然科学版)》 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109515094A (en) * | 2018-12-29 | 2019-03-26 | 新乡市合众鑫辉车业有限公司 | A kind of electric car rear suspension structure |
CN110254156A (en) * | 2019-07-05 | 2019-09-20 | 吴桃 | The damping device of five wheel vehicles |
CN112298433A (en) * | 2020-11-02 | 2021-02-02 | 贵州大学 | Tricycle rear axle shock attenuation suspension |
Also Published As
Publication number | Publication date |
---|---|
CN107444043B (en) | 2023-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107444043A (en) | Electric automobile back suspension device | |
CN109823134B (en) | Automobile rear wheel suspension capable of increasing wading depth | |
CN207106097U (en) | Electric automobile rear suspension assembly | |
CN203111334U (en) | Cab rear suspension device | |
CN206155063U (en) | Shockproof equalizing suspension system system of spring that motor vehicles were used | |
CN203974460U (en) | A kind of caravan independent suspension device | |
CN204956726U (en) | Electric tricycle seat shock -absorbing structure | |
CN202463950U (en) | Safe suspension device of cab | |
CN203497041U (en) | Heavy truck body rear suspension assembly | |
CN212220480U (en) | Rear wheel suspension system | |
CN209779518U (en) | Safety protective guard is used in road bridge construction | |
CN209666762U (en) | Equalizing suspension system based on leaf spring | |
CN207346023U (en) | A kind of shock-absorptive frame of bicycle | |
CN220535790U (en) | Cab right rear bracket assembly | |
CN219154656U (en) | Supporting framework for golf cart | |
CN221273402U (en) | Low-gravity-center rear-mounted damping pet trailer | |
CN213705674U (en) | Double-damping bicycle frame | |
CN205044473U (en) | Small -size four -wheel power vehicle bottom dish | |
CN221525451U (en) | Vehicle suspension spring device | |
CN216734634U (en) | Front wheel damping mechanism for three-wheeled drift vehicle | |
CN221023159U (en) | Four-wheel independent suspension mechanism | |
CN213954241U (en) | Improved automobile shock absorber | |
CN212765676U (en) | Stable form anti-drop's engine mounting support | |
CN103465737A (en) | Hinge assembly used for vehicle connection | |
CN213290165U (en) | Non-magnetic fixing support for petroleum logging instrument |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230410 Address after: 450000 south of West Wutong street, West Fourth Ring Road, high tech Zone, Zhengzhou City, Henan Province Applicant after: HENAN XINZHONGJI TRAFFIC TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 467500 industrial cluster of Ruzhou City, Pingdingshan City, Henan Province Applicant before: HENAN SENDI NEW ENERGY AUTOMOBILE CO.,LTD. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |