CN106739893B - Beach buggy and rear suspension thereof - Google Patents
Beach buggy and rear suspension thereof Download PDFInfo
- Publication number
- CN106739893B CN106739893B CN201611078583.5A CN201611078583A CN106739893B CN 106739893 B CN106739893 B CN 106739893B CN 201611078583 A CN201611078583 A CN 201611078583A CN 106739893 B CN106739893 B CN 106739893B
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- Prior art keywords
- arm
- rear suspension
- steering knuckle
- knuckle
- pull rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
- B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
- B60G2200/14—Independent suspensions with lateral arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/445—Self-steered wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/40—Indexing codes relating to the wheels in the suspensions
- B60G2200/46—Indexing codes relating to the wheels in the suspensions camber angle
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- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a rear suspension, which comprises a left rear suspension and a right rear suspension which are symmetrically arranged relative to a frame of a beach vehicle and are structurally symmetrical, wherein the left rear suspension comprises a left rocker arm, a left steering knuckle, a damping device, a first tie rod, a second tie rod and a third tie rod. The invention also provides a beach vehicle adopting the rear suspension.
Description
Technical Field
The invention relates to the technical field of suspensions, in particular to a beach vehicle and a rear suspension thereof.
Background
At present, the rear suspension is complex in structure, the stroke of the shock absorber is small, the turning radius of a vehicle body is large, and the rear suspension is inconvenient and uncomfortable to use.
Therefore, how to provide a rear suspension to extend the stroke of the shock absorber and reduce the turning radius is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention is directed to a rear suspension that extends the stroke of a shock absorber, reduces the turning radius, adjusts the camber angle of a rear wheel, precisely controls the suspension stroke, and improves the overall comfort. The invention also aims to provide a beach vehicle adopting the rear suspension.
In order to achieve the purpose, the invention provides the following technical scheme:
a rear suspension is suitable for a beach vehicle and comprises a left rear suspension and a right rear suspension which are symmetrically arranged relative to a frame of the beach vehicle and are structurally symmetrical, wherein the left rear suspension comprises a left rocker arm, a left knuckle, a vibration damper, a first tie rod, a second tie rod and a third tie rod, a rear left knuckle mounting seat is arranged at the top end of the left rocker arm, the rear left knuckle mounting seat comprises an upper clamping arm and a lower clamping arm which are arranged at intervals, clamping openings in the upper clamping arm and the lower clamping arm are the same as the axial direction of the left knuckle, the upper end of the left knuckle is connected with the upper clamping arm through a joint bearing, the lower end of the left knuckle is connected with the lower clamping arm through a joint bearing, the tail end of the left rocker arm is connected with the frame through a joint bearing, the vibration damper is arranged on the upper side of the top end of the left rocker arm, a first mounting arm is arranged on the left upper side of the left knuckle, the first mounting arm bypasses the rear left knuckle mounting seat and extends towards the upper side of the left rocker arm, the top end of the left knuckle is fixedly connected with the right knuckle mounting seat through a second tie rod, the left knuckle mounting seat is arranged on the right side, the left knuckle mounting seat, the right knuckle mounting arm is fixedly connected with the left knuckle, the left knuckle mounting seat through a second tie rod, the left knuckle mounting seat, the left knuckle mounting arm, the left knuckle mounting seat is arranged on the right knuckle mounting seat, the left knuckle mounting seat is arranged on the left knuckle, the left knuckle mounting seat, the right knuckle, the left knuckle mounting seat is arranged on the right knuckle, the left knuckle, the right knuckle mounting seat, the top end of the third mounting arm is fixedly connected with the left steering knuckle, the tail end of the third mounting arm is connected with the third tie rod through a joint bearing, the third tie rod is located on the lower right side of the rear left steering knuckle mounting seat, the second tie rod is located above the third tie rod, the other ends of the first tie rod, the second tie rod and the third tie rod are connected with the frame through joint bearings, and the axes of the joint bearings on the first tie rod, the second tie rod and the third tie rod are perpendicular to the length direction of the first tie rod, the second tie rod and the third tie rod.
Preferably, the upper side of the top end of the left rocker arm is connected with the vibration damping device through a joint bearing, and the vibration damping device is connected with the frame through the joint bearing.
Preferably, the left knuckle is press-fitted with a rim bearing.
Preferably, the rim bearing is provided with a left constant velocity propeller shaft.
Preferably, the rear left knuckle mounting seat is annular, the upper arm of the rear left knuckle mounting seat is the upper clamping arm, the lower arm of the rear left knuckle mounting seat is the lower clamping arm, and the left constant-speed transmission shaft penetrates through the annular cavity of the rear left knuckle mounting seat.
Preferably, the left rocker arm is formed by buckling a first sheet metal arm and a second sheet metal arm.
Preferably, the rear left steering knuckle mounting seat is inserted into an opening formed when the first metal plate arm and the second metal plate arm are buckled, and is welded and fixed.
Preferably, a stabilizer bar is provided between the left rear suspension and the right rear suspension.
Preferably, the damper device includes a spring damper device and an oil damper device.
The invention also provides a beach vehicle which comprises a rear suspension, wherein the rear suspension is the rear suspension as described in any one of the above items.
The invention provides a rear suspension, which comprises a left rear suspension and a right rear suspension which are symmetrically arranged relative to a frame of a beach vehicle and are structurally symmetrical, wherein the left rear suspension comprises a left rocker arm, a left knuckle, a vibration damper, a first tie rod, a second tie rod and a third tie rod, a rear left knuckle mounting seat is arranged at the top end of the left rocker arm, the rear left knuckle mounting seat comprises an upper clamping arm and a lower clamping arm which are arranged at intervals, clamping ports on the upper clamping arm and the lower clamping arm are the same as the axial direction of the left knuckle, the upper end of the left knuckle is connected with the upper clamping arm through a joint bearing, the lower end of the left knuckle is connected with the lower clamping arm through a joint bearing, the tail end of the left rocker arm is connected with the frame through a joint bearing, and the vibration damper is arranged on the upper side of the top end of the left rocker arm, the left upper side of the left steering knuckle is provided with a first installation arm, the first installation arm bypasses the rear left steering knuckle installation seat and extends towards the upper side of the left rocker arm, the top end of the first installation arm is fixedly connected with the left steering knuckle, the tail end of the first installation arm is connected with a first cross pull rod through a joint bearing, the first cross pull rod is positioned above the left rocker arm, the right upper side of the left steering knuckle is provided with a second installation arm, the second installation arm extends towards the right side of the rear left steering knuckle installation seat, the top end of the second installation arm is fixedly connected with the left steering knuckle, the tail end of the second installation arm is connected with a second cross pull rod through a joint bearing, the second cross pull rod is positioned at the right upper side of the rear left steering knuckle installation seat, the right lower side of the left steering knuckle is provided with a third installation arm, the third installation arm extends towards the right side of the rear left steering knuckle installation seat, the top end of the third mounting arm is fixedly connected with the left steering knuckle, the tail end of the third mounting arm is connected with the third tie rod through a joint bearing, the third tie rod is located on the lower right side of the rear left steering knuckle mounting seat, the second tie rod is located above the third tie rod, the other ends of the first tie rod, the second tie rod and the third tie rod are connected with the frame through joint bearings, and the axes of the joint bearings on the first tie rod, the second tie rod and the third tie rod are perpendicular to the length direction of the first tie rod, the second tie rod and the third tie rod. Through a series of structural improvement and optimization, make the space grow that is used for placing damping device, thereby lengthened the stroke of shock absorber, and through the setting of first tie rod, second tie rod and third tie rod when playing with the knuckle is connected, can play the effect that the automatic control rear wheel turned to, thereby reduced turning radius, adjustable rear wheel camber angle, accurate control hangs the stroke, improves the complete machine travelling comfort.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a rear suspension provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a left knuckle according to an embodiment of the present invention.
In the above fig. 1 and 2:
the left and right rear suspension comprises a left rear suspension 1, a left rocker arm 2, a vibration damper 3, a rear left steering knuckle mounting seat 4, a left steering knuckle 5, a first tie rod 6, a second tie rod 7, a third tie rod 8, a joint bearing 9, a balancing rod 10, an upper clamping arm 11, a left constant-speed transmission shaft 12, a first mounting arm 13, a second mounting arm 14, a third mounting arm 15 and a right rear suspension 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a rear suspension according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a left knuckle according to an embodiment of the present invention.
The rear suspension provided by the embodiment of the invention comprises a left rear suspension 1 and a right rear suspension 16 which are symmetrically arranged relative to a frame of a beach vehicle and have symmetrical structures, wherein the left rear suspension 1 comprises a left rocker arm 2, a left steering knuckle 5, a vibration damper 3, a first tie rod 6, a second tie rod 7 and a third tie rod 8, a rear left steering knuckle mounting seat 4 is arranged at the top end of the left rocker arm 2 and is welded and fixed with the left rocker arm 2, the rear left steering knuckle mounting seat 4 comprises an upper clamping arm 11 and a lower clamping arm which are arranged at intervals, clamping mouths on the upper clamping arm 11 and the lower clamping arm are the same with the axial direction of the left steering knuckle 5, the upper end of the left steering knuckle 5 is connected with the upper clamping arm 11 through a knuckle bearing, the lower end of the left steering knuckle 5 is connected with the lower clamping arm through a knuckle bearing, the tail end of the left rocker arm 2 is connected with the frame through a knuckle bearing 9, the upper side of the top end of the left rocker arm 2 is provided with the vibration damper 3, the upper left side of the left upper side of the left steering knuckle 5 is provided with a first mounting arm 13, the left mounting arm 13 is connected with the left steering knuckle mounting seat 4, the left mounting arm 13 is connected with the right mounting seat, the left steering knuckle mounting seat 4, the left mounting arm 5 is connected with the right mounting seat, the left steering knuckle mounting seat, the left mounting arm 5 is provided with the right mounting seat, the right mounting arm 5 through a second tie rod 5, the right mounting seat, the left steering knuckle mounting seat is provided with the left steering knuckle mounting seat 14, the right mounting seat 4, the left steering knuckle mounting arm 7, the left steering knuckle mounting seat 14, the right steering knuckle mounting seat 4 is provided with the right mounting seat 14, the tail end of the first tie rod is connected with a third tie rod 8 through a joint bearing, the third tie rod 8 is positioned on the lower right side of the rear left steering knuckle mounting seat 4, the second tie rod 7 is positioned above the third tie rod 8, the other ends of the first tie rod 6, the second tie rod 7 and the third tie rod 8 are connected with a frame through joint bearings, and the axes of the joint bearings on the first tie rod 6, the second tie rod 7 and the third tie rod 8 are perpendicular to the length direction of the first tie rod 6, the second tie rod 7 and the third tie rod 8. Through a series of structural improvement and optimization, make the space grow that is used for placing damping device 3, thereby lengthened the stroke of shock absorber, and through the setting of first tie rod 6 and second tie rod 7 and third tie rod 8 when playing with the knuckle is connected, can play the effect that the automatic control rear wheel turned to, thereby reduced turning radius, adjustable rear wheel camber angle, accurate control hangs the stroke, improves the complete machine travelling comfort.
The swing arm can swing 360 degrees by adopting the joint bearing 9, and the first mounting arm 13, the second mounting arm 14 and the third mounting arm 15 are all bending plates.
Wherein, left rocking arm 2 is formed for first panel beating arm and second panel beating arm lock. The rear left steering knuckle mounting seat 4 is inserted into an opening formed when the first metal plate arm and the second metal plate arm are buckled and is fixedly welded.
In order to further optimize the scheme, the upper side of the top end of the left rocker arm 2 is connected with a vibration damping device 3 through a joint bearing, and the vibration damping device 3 is connected with the frame through the joint bearing. Meanwhile, a rim bearing is press-fitted in the left knuckle 5. A left constant velocity propeller shaft 12 is provided in the rim bearing. The rear left steering knuckle mounting seat 4 is annular, the upper arm of the rear left steering knuckle mounting seat 4 is an upper clamping arm 11, the lower arm of the rear left steering knuckle mounting seat 4 is a lower clamping arm, and the left constant-speed transmission shaft 12 penetrates through the annular cavity of the rear left steering knuckle mounting seat 4. The annular rear left steering knuckle mounting seat has high structural strength, and is provided with an annular cavity for the left constant-speed transmission shaft 12 to pass through for transmitting the power, so that the structural design is reasonable. The damper device 3 includes a spring damper device and an oil pressure damper device.
The embodiment of the invention also provides a beach vehicle which comprises a rear suspension, wherein the rear suspension is the rear suspension described in any one of the above embodiments.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A rear suspension adapted for a beach vehicle, comprising a left rear suspension and a right rear suspension that are symmetrically arranged and structurally symmetrical with respect to a frame of the beach vehicle, wherein,
the left rear suspension comprises a left rocker arm, a left steering knuckle, a vibration damper, a first tie rod, a second tie rod and a third tie rod,
the top end of the left rocker arm is provided with a rear left steering knuckle mounting seat which comprises an upper clamping arm and a lower clamping arm which are arranged at intervals, clamping openings in the upper clamping arm and the lower clamping arm are the same as the axial direction of the left steering knuckle, the upper end of the left steering knuckle is connected with the upper clamping arm through a joint bearing, the lower end of the left steering knuckle is connected with the lower clamping arm through a joint bearing,
the tail end of the left rocker arm is connected with the frame through a joint bearing,
the upper side of the top end of the left rocker arm is provided with the vibration damper,
a first mounting arm is arranged on the upper left side of the left steering knuckle, the first mounting arm bypasses the rear left steering knuckle mounting seat and extends towards the upper part of the left rocker arm, the top end of the first mounting arm is fixedly connected with the left steering knuckle, the tail end of the first mounting arm is connected with the first transverse pull rod through a joint bearing, the first transverse pull rod is positioned above the left rocker arm,
a second mounting arm is arranged on the upper right side of the left steering knuckle and extends towards the right side of the rear left steering knuckle mounting seat, the top end of the second mounting arm is fixedly connected with the left steering knuckle, the tail end of the second mounting arm is connected with a second transverse pull rod through a joint bearing, the second transverse pull rod is positioned on the upper right side of the rear left steering knuckle mounting seat,
a third mounting arm is arranged on the lower right side of the left steering knuckle and extends towards the right side of the rear left steering knuckle mounting seat, the top end of the third mounting arm is fixedly connected with the left steering knuckle, the tail end of the third mounting arm is connected with a third cross pull rod through a joint bearing, the third cross pull rod is positioned on the lower right side of the rear left steering knuckle mounting seat,
the second tie rod is positioned above the third tie rod,
the other ends of the first transverse pull rod, the second transverse pull rod and the third transverse pull rod are connected with the frame through joint bearings, and the axes of the joint bearings on the first transverse pull rod, the second transverse pull rod and the third transverse pull rod are perpendicular to the length direction of the first transverse pull rod, the second transverse pull rod and the third transverse pull rod.
2. The rear suspension as claimed in claim 1, wherein the damping device is connected to an upper side of a top end of the left rocker arm through a joint bearing, and the damping device is connected to the frame through a joint bearing.
3. A rear suspension as claimed in claim 1, wherein the left knuckle is medium-pressure mounted with a rim bearing.
4. Rear suspension according to claim 3, characterized in that a left constant velocity propeller shaft is provided in the rim bearing.
5. The rear suspension of claim 4, wherein the rear left knuckle mount is annular, the upper arm of the rear left knuckle mount is the upper clamp arm, the lower arm of the rear left knuckle mount is the lower clamp arm, and the left constant velocity driveshaft passes through the annular cavity of the rear left knuckle mount.
6. The rear suspension of claim 1, wherein the left rocker arm is formed by buckling a first sheet metal arm and a second sheet metal arm.
7. The rear suspension of claim 6, wherein the rear left knuckle mount is inserted into an opening formed when the first sheet metal arm and the second sheet metal arm are fastened and welded to each other.
8. A rear suspension according to claim 1, wherein a stabilizer bar is provided between the left rear suspension and the right rear suspension.
9. A rear suspension as claimed in claim 1, wherein said damping means includes spring damping means and oil pressure damping means.
10. A beach vehicle comprising a rear suspension, characterised in that the rear suspension is a rear suspension according to any one of claims 1-7 above.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078583.5A CN106739893B (en) | 2016-11-29 | 2016-11-29 | Beach buggy and rear suspension thereof |
| US15/825,662 US10723190B2 (en) | 2016-11-29 | 2017-11-29 | Rear swing arm suspension |
| US16/937,909 US11220147B2 (en) | 2016-11-29 | 2020-07-24 | Rear swing arm suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078583.5A CN106739893B (en) | 2016-11-29 | 2016-11-29 | Beach buggy and rear suspension thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106739893A CN106739893A (en) | 2017-05-31 |
| CN106739893B true CN106739893B (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078583.5A Active CN106739893B (en) | 2016-11-29 | 2016-11-29 | Beach buggy and rear suspension thereof |
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| Country | Link |
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| CN (1) | CN106739893B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244206B (en) * | 2017-07-31 | 2023-10-13 | 浙江春风动力股份有限公司 | All-terrain vehicle and rocker arm structure thereof |
| CN107364295A (en) * | 2017-07-31 | 2017-11-21 | 浙江春风动力股份有限公司 | All-terrain vehicle, all-terrain vehicle rear overhang attachment structure and rear-mounted wheel rim bearing |
| CN112918207B (en) * | 2021-02-25 | 2022-11-01 | 赛格威科技有限公司 | All-terrain vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4245287B2 (en) * | 2001-10-23 | 2009-03-25 | 本田技研工業株式会社 | Rear wheel suspension system for saddle-ride type vehicles |
| US7770907B2 (en) * | 2006-01-20 | 2010-08-10 | Yamaha Hatsudoki Kabushiki Kaisha | All terrain vehicle |
| CN100448733C (en) * | 2007-03-02 | 2009-01-07 | *** | Sand beach cross-country bicycle |
| JP2011143837A (en) * | 2010-01-15 | 2011-07-28 | Honda Motor Co Ltd | Off-road traveling vehicle |
| AU2014225499B2 (en) * | 2013-03-07 | 2016-06-23 | Polaris Industries Inc. | Utility vehicle |
| CN103350725B (en) * | 2013-07-23 | 2016-01-20 | 重庆润通科技有限公司 | Multi-functional riding type mower |
| CN106080071A (en) * | 2016-06-27 | 2016-11-09 | 武汉理工大学 | A kind of FSC racing car suspension system |
| CN206510707U (en) * | 2016-11-29 | 2017-09-22 | 浙江春风动力股份有限公司 | A kind of beach buggy and its rear suspension |
-
2016
- 2016-11-29 CN CN201611078583.5A patent/CN106739893B/en active Active
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| CN106739893A (en) | 2017-05-31 |
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