CN107444043A - Electric automobile back suspension device - Google Patents

Electric automobile back suspension device Download PDF

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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
Application number
CN201710672022.6A
Other languages
Chinese (zh)
Other versions
CN107444043B (en
Inventor
白亚伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Xinzhongji Traffic Technology Development Co ltd
Original Assignee
Henan Sendi New Energy Automobile Ltd By Share Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Sendi New Energy Automobile Ltd By Share Ltd filed Critical Henan Sendi New Energy Automobile Ltd By Share Ltd
Priority to CN201710672022.6A priority Critical patent/CN107444043B/en
Publication of CN107444043A publication Critical patent/CN107444043A/en
Application granted granted Critical
Publication of CN107444043B publication Critical patent/CN107444043B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G9/00Resilient suspensions of a rigid axle or axle housing for two or more wheels
    • B60G9/02Resilient 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/001Arrangements for attachment of dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/30Rigid axle suspensions
    • B60G2200/32Rigid axle suspensions pivoted
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86Optimisation of rolling resistance, e.g. weight reduction 

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  • 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

Electric automobile back suspension device
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.
CN201710672022.6A 2017-08-08 2017-08-08 Rear suspension device of electric automobile Active CN107444043B (en)

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

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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)

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Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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.

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