US20030121711A1 - Sand vehicle - Google Patents
Sand vehicle Download PDFInfo
- Publication number
- US20030121711A1 US20030121711A1 US10/034,501 US3450101A US2003121711A1 US 20030121711 A1 US20030121711 A1 US 20030121711A1 US 3450101 A US3450101 A US 3450101A US 2003121711 A1 US2003121711 A1 US 2003121711A1
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- United States
- Prior art keywords
- disposed
- pair
- bars
- torsion
- main frame
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K5/00—Cycles with handlebars, equipped with three or more main road wheels
- B62K5/01—Motorcycles with four or more wheels
Definitions
- the present invention relates to a sand vehicle. More particularly, the present invention relates to a sand vehicle which increases a balance of a main frame and decrease a vibration of the main frame.
- a conventional sand vehicle has a main frame 10 , an engine 11 disposed on the main frame 10 , a shock absorber 13 disposed on a rear portion of the main frame 10 , a rear shaft 12 disposed on the rear portion of the main frame 10 , and two rear wheels 14 connected to the rear shaft 12 .
- the engine 11 When a user turns his body rightward or leftward, the engine 11 will deflect rightward or leftward also. Thus the conventional sand vehicle will be overturned because of the instability of the center of gravity.
- one shock absorber 13 for two rear wheels 14 cannot decrease a vibration of the conventional sand vehicle effectively while the user drives the conventional sand vehicle on an uneven road.
- An object of the present invention is to provide a sand vehicle which has an auxiliary frame disposed in a main frame, an engine disposed in the auxiliary frame and a shaft disposed on a rear portion of the auxiliary frame so that the balance of the main frame will not be influence by the auxiliary frame while the auxiliary frame is deflected.
- Another object of the present invention is to provide a sand vehicle which has a pair of torsion-resistant elements and a pair of torsion-resistant members to be deformed and restored to their original configurations so that a main frame will not be deflected in order to stabilize the center of gravity of the main frame.
- Another object of the present invention is to provide a sand vehicle which has a pair of shock absorbers for a pair of rear wheels in order to decrease a vibration of the sand vehicle effectively while the sand vehicle is driven on an uneven road.
- a sand vehicle comprises a main frame, an auxiliary frame disposed in the main frame, an engine disposed in the auxiliary frame, a rear shaft disposed on a rear portion of the auxiliary frame, a first positioning seat disposed on a front portion of the auxiliary frame, a second positioning seat disposed on the rear portion of the auxiliary frame, a pair of torsion-resistant elements, a pair of sleeves disposed on the first positioning seat to receive the torsion-resistant elements, a pair of connection bars disposed on the rear portion of the auxiliary frame, a connection frame disposed on a rear portion of the main frame, a pair of positioning bars disposed on a front portion of the main frame to match the first positioning seat, the main frame having two rear distal bars, a pair of pivot shafts, a pair of torsion-resistant members, a pair of collars to receive the torsion-resistant members, a pair of connection rods connected to the collars and the pivot shafts, and two rear wheels connected to the rear shaft
- Each of the rear distal bars of the main frame has a pivot aperture.
- Each of the positioning bars has a pivot hole.
- the torsion-resistant elements are disposed between the positioning bars.
- a pivot screw rod fastens the torsion-resistant elements and the positioning bars together.
- the collars are disposed in the second positioning seat.
- the pivot shafts are disposed on the rear distal bars. Each of the pivot shafts passes through the corresponding pivot aperture of the rear distal bars.
- a pair of shock absorbers are disposed between the connection frame and the connection bars.
- FIG. 1 is a perspective exploded view of a sand vehicle of the prior art
- FIG. 2 is an elevational view of a sand vehicle of the prior art
- FIG. 3 is a perspective exploded view of a sand vehicle of a preferred embodiment in accordance with the present invention.
- FIG. 4 is an elevational view of a sand vehicle of a preferred embodiment in accordance with the present invention.
- FIG. 4A is an elevational view of a sleeve and a torsion-resistant element
- FIG. 5 is a schematic view illustrating a balance state of a sand vehicle of a preferred embodiment in accordance with the present invention.
- FIG. 6 is a schematic view illustrating a buffer state of a sand vehicle of a preferred embodiment in accordance with the present invention.
- a sand vehicle comprises a main frame 20 , an auxiliary frame 30 disposed in the main frame 20 , an engine 31 disposed in the auxiliary frame 30 , a rear shaft 51 disposed on a rear portion of the auxiliary frame 30 , a first positioning seat 32 disposed on a front portion of the auxiliary frame 30 , a second positioning seat 32 ′ disposed on the rear portion of the auxiliary frame 30 , a pair of torsion-resistant elements 34 , a pair of sleeves 33 disposed on the first positioning seat 32 to receive the torsion-resistant elements 34 , a pair of connection bars 35 disposed on the rear portion of the auxiliary frame 30 , a connection frame 25 disposed on a rear portion of the main frame 20 , a pair of positioning bars 21 disposed on a front portion of the main frame 20 to match the first positioning seat 32 , the main frame 20 having two rear distal bars 21 ′, a pair of pivot shafts 23 ′, a pair of
- Each of the rear distal bars 21 ′ of the main frame 20 has a pivot aperture 22 ′.
- Each of the positioning bars 21 has a pivot hole 22 .
- the torsion-resistant elements 34 are disposed between the positioning bars 21 .
- a pivot screw rod 23 fastens the torsion-resistant elements 34 and the positioning bars 21 together.
- a nut 24 engages with the pivot screw rod 23 .
- the collars 33 ′ are disposed in the second positioning seat 32 ′.
- the pivot shafts 23 ′ are disposed on the rear distal bars 21 ′.
- Each of the pivot shafts 23 ′ passes through the corresponding pivot aperture 22 ′ of the rear distal bars 21 ′ to engage with a nut 24 ′.
- a pair of shock absorbers 40 are disposed between the connection frame 25 and the connection bars 35 .
- Each of the torsion-resistant elements 34 is made of rubber.
- Each of the torsion-resistant members 34 ′ is made of rubber.
- the present invention provides the engine 31 disposed in the auxiliary frame 30 and the rear shaft 51 disposed on the rear portion of the auxiliary frame 30 so that the balance of the main frame 20 will not be influence by the auxiliary frame 30 while the auxiliary frame 30 is deflected.
- the present invention provides a pair of torsion-resistant elements 34 and a pair of torsion-resistant members 34 ′ to be deformed and restored to their original configurations so that the main frame 20 will not be deflected in order to stabilize the center of gravity of the main frame 20 .
- the present invention provides a pair of shock absorbers 40 for a pair of rear wheels 50 in order to decrease a vibration of the sand vehicle effectively while the sand vehicle is driven on an uneven road.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
A sand vehicle has a main frame, an auxiliary frame disposed in the main frame, a rear shaft, a pair of connection bars, and a first and a second positioning seats disposed on the auxiliary frame, a pair of torsion-resistant elements, a pair of sleeves disposed on the first positioning seat to receive the torsion-resistant elements, a connection frame disposed on the main frame, a pair of positioning bars disposed on the main frame, the main frame having two rear distal bars, a pair of pivot shafts, a pair of torsion-resistant members, a pair of collars to receive the torsion-resistant members, a pair of connection rods connected to the collars and the pivot shafts, and two rear wheels connected to the rear shaft. Each rear distal bar of the main frame has a pivot aperture. Each positioning bar has a pivot hole. The torsion-resistant elements are disposed between the positioning bars. The collars are disposed in the second positioning seat. The pivot shafts are disposed on the rear distal bars. A pair of shock absorbers are disposed between the connection frame and the connection bars.
Description
- The present invention relates to a sand vehicle. More particularly, the present invention relates to a sand vehicle which increases a balance of a main frame and decrease a vibration of the main frame.
- Referring to FIGS. 1 and 2, a conventional sand vehicle has a
main frame 10, anengine 11 disposed on themain frame 10, ashock absorber 13 disposed on a rear portion of themain frame 10, arear shaft 12 disposed on the rear portion of themain frame 10, and tworear wheels 14 connected to therear shaft 12. When a user turns his body rightward or leftward, theengine 11 will deflect rightward or leftward also. Thus the conventional sand vehicle will be overturned because of the instability of the center of gravity. Furthermore, one shock absorber 13 for tworear wheels 14 cannot decrease a vibration of the conventional sand vehicle effectively while the user drives the conventional sand vehicle on an uneven road. - An object of the present invention is to provide a sand vehicle which has an auxiliary frame disposed in a main frame, an engine disposed in the auxiliary frame and a shaft disposed on a rear portion of the auxiliary frame so that the balance of the main frame will not be influence by the auxiliary frame while the auxiliary frame is deflected.
- Another object of the present invention is to provide a sand vehicle which has a pair of torsion-resistant elements and a pair of torsion-resistant members to be deformed and restored to their original configurations so that a main frame will not be deflected in order to stabilize the center of gravity of the main frame.
- Another object of the present invention is to provide a sand vehicle which has a pair of shock absorbers for a pair of rear wheels in order to decrease a vibration of the sand vehicle effectively while the sand vehicle is driven on an uneven road.
- Accordingly, a sand vehicle comprises a main frame, an auxiliary frame disposed in the main frame, an engine disposed in the auxiliary frame, a rear shaft disposed on a rear portion of the auxiliary frame, a first positioning seat disposed on a front portion of the auxiliary frame, a second positioning seat disposed on the rear portion of the auxiliary frame, a pair of torsion-resistant elements, a pair of sleeves disposed on the first positioning seat to receive the torsion-resistant elements, a pair of connection bars disposed on the rear portion of the auxiliary frame, a connection frame disposed on a rear portion of the main frame, a pair of positioning bars disposed on a front portion of the main frame to match the first positioning seat, the main frame having two rear distal bars, a pair of pivot shafts, a pair of torsion-resistant members, a pair of collars to receive the torsion-resistant members, a pair of connection rods connected to the collars and the pivot shafts, and two rear wheels connected to the rear shaft. Each of the rear distal bars of the main frame has a pivot aperture. Each of the positioning bars has a pivot hole. The torsion-resistant elements are disposed between the positioning bars. A pivot screw rod fastens the torsion-resistant elements and the positioning bars together. The collars are disposed in the second positioning seat. The pivot shafts are disposed on the rear distal bars. Each of the pivot shafts passes through the corresponding pivot aperture of the rear distal bars. A pair of shock absorbers are disposed between the connection frame and the connection bars.
- FIG. 1 is a perspective exploded view of a sand vehicle of the prior art;
- FIG. 2 is an elevational view of a sand vehicle of the prior art;
- FIG. 3 is a perspective exploded view of a sand vehicle of a preferred embodiment in accordance with the present invention;
- FIG. 4 is an elevational view of a sand vehicle of a preferred embodiment in accordance with the present invention;
- FIG. 4A is an elevational view of a sleeve and a torsion-resistant element;
- FIG. 5 is a schematic view illustrating a balance state of a sand vehicle of a preferred embodiment in accordance with the present invention; and
- FIG. 6 is a schematic view illustrating a buffer state of a sand vehicle of a preferred embodiment in accordance with the present invention.
- Referring to FIGS.3 to 6, a sand vehicle comprises a
main frame 20, anauxiliary frame 30 disposed in themain frame 20, anengine 31 disposed in theauxiliary frame 30, arear shaft 51 disposed on a rear portion of theauxiliary frame 30, afirst positioning seat 32 disposed on a front portion of theauxiliary frame 30, asecond positioning seat 32′ disposed on the rear portion of theauxiliary frame 30, a pair of torsion-resistant elements 34, a pair ofsleeves 33 disposed on thefirst positioning seat 32 to receive the torsion-resistant elements 34, a pair ofconnection bars 35 disposed on the rear portion of theauxiliary frame 30, aconnection frame 25 disposed on a rear portion of themain frame 20, a pair ofpositioning bars 21 disposed on a front portion of themain frame 20 to match thefirst positioning seat 32, themain frame 20 having tworear distal bars 21′, a pair ofpivot shafts 23′, a pair of torsion-resistant members 34′, a pair ofcollars 33′ to receive the torsion-resistant members 34′, a pair ofconnection rods 331 connected to thecollars 33′ and thepivot shafts 23′, and tworear wheels 50 connected to therear shaft 51. - Each of the
rear distal bars 21′ of themain frame 20 has apivot aperture 22′. - Each of the
positioning bars 21 has apivot hole 22. - The torsion-
resistant elements 34 are disposed between thepositioning bars 21. - A
pivot screw rod 23 fastens the torsion-resistant elements 34 and thepositioning bars 21 together. - A
nut 24 engages with thepivot screw rod 23. - The
collars 33′ are disposed in thesecond positioning seat 32′. - The
pivot shafts 23′ are disposed on the reardistal bars 21′. - Each of the
pivot shafts 23′ passes through thecorresponding pivot aperture 22′ of the reardistal bars 21′ to engage with anut 24′. - A pair of
shock absorbers 40 are disposed between theconnection frame 25 and theconnection bars 35. - Each of the torsion-
resistant elements 34 is made of rubber. Each of the torsion-resistant members 34′ is made of rubber. - The present invention provides the
engine 31 disposed in theauxiliary frame 30 and therear shaft 51 disposed on the rear portion of theauxiliary frame 30 so that the balance of themain frame 20 will not be influence by theauxiliary frame 30 while theauxiliary frame 30 is deflected. - The present invention provides a pair of torsion-
resistant elements 34 and a pair of torsion-resistant members 34′ to be deformed and restored to their original configurations so that themain frame 20 will not be deflected in order to stabilize the center of gravity of themain frame 20. - The present invention provides a pair of
shock absorbers 40 for a pair ofrear wheels 50 in order to decrease a vibration of the sand vehicle effectively while the sand vehicle is driven on an uneven road. - The invention is not limited to the above embodiment but various modification thereof may be made. Further, various changes in form and detail may be made without departing from the scope of the present invention.
Claims (3)
1. A sand vehicle comprises:
a main frame, an auxiliary frame disposed in the main frame, an engine disposed in the auxiliary frame, a rear shaft disposed on a rear portion of the auxiliary frame, a first positioning seat disposed on a front portion of the auxiliary frame, a second positioning seat disposed on the rear portion of the auxiliary frame, a pair of torsion-resistant elements, a pair of sleeves disposed on the first positioning seat to receive the torsion-resistant elements, a pair of connection bars disposed on the rear portion of the auxiliary frame, a connection frame disposed on a rear portion of the main frame, a pair of positioning bars disposed on a front portion of the main frame to match the first positioning seat, the main frame having two rear distal bars, a pair of pivot shafts, a pair of torsion-resistant members, a pair of collars to receive the torsion-resistant members, a pair of connection rods connected to the collars and the pivot shafts, and two rear wheels connected to the rear shaft,
each of the rear distal bars of the main frame having a pivot aperture,
each of the positioning bars having a pivot hole,
the torsion-resistant elements disposed between the positioning bars,
a pivot screw rod fastening the torsion-resistant elements and the positioning bars together,
the collars disposed in the second positioning seat,
the pivot shafts disposed on the rear distal bars,
each of the pivot shafts passing through the corresponding pivot aperture of the rear distal bars, and
a pair of shock absorbers disposed between the connection frame and the connection bars.
2. The sand vehicle as claimed in claim 1 , wherein each of the torsion-resistant elements is made of rubber.
3. The sand vehicle as claimed in claim 1 , wherein each of the torsion-resistant members is made of rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/034,501 US6588536B1 (en) | 2001-12-28 | 2001-12-28 | Sand vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/034,501 US6588536B1 (en) | 2001-12-28 | 2001-12-28 | Sand vehicle |
Publications (2)
Publication Number | Publication Date |
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US20030121711A1 true US20030121711A1 (en) | 2003-07-03 |
US6588536B1 US6588536B1 (en) | 2003-07-08 |
Family
ID=21876798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/034,501 Expired - Fee Related US6588536B1 (en) | 2001-12-28 | 2001-12-28 | Sand vehicle |
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US (1) | US6588536B1 (en) |
Cited By (7)
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US20060066068A1 (en) * | 2004-09-30 | 2006-03-30 | Honda Motor Co., Ltd. | Frame structure |
US20060292966A1 (en) * | 2005-04-07 | 2006-12-28 | Traxxas | Low center-of-gravity chassis for a model vehicle |
US20070176407A1 (en) * | 2006-01-31 | 2007-08-02 | Honda Motor Co., Ltd. | Vehicle frame structure |
US20090236820A1 (en) * | 2009-05-28 | 2009-09-24 | Liang Chang | Motorcycle rear-wheels transmission and suspension system |
US20090294199A1 (en) * | 2008-05-27 | 2009-12-03 | Mcguire Jeremy T | Control Arm Support Brackets And Vehicles Using Same |
US20100012414A1 (en) * | 2008-07-16 | 2010-01-21 | Harley-Davidson Motor Company Group, Inc. | Three-wheeled vehicle |
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US7644791B2 (en) * | 2004-12-30 | 2010-01-12 | American Off-Road Technologies Inc. | Exhaust and cooling systems for implementation in reduced-size vehicle |
US7527323B2 (en) * | 2006-07-27 | 2009-05-05 | Honda Motor Company, Ltd. | All terrain vehicles having midpoint fastener and methods |
US7527322B2 (en) * | 2007-06-26 | 2009-05-05 | Honda Motor Company, Ltd. | All terrain vehicles having stay assembly |
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JPS61146692A (en) * | 1984-12-18 | 1986-07-04 | 本田技研工業株式会社 | Suspension system for front wheel of saddling type car |
JPH0686230B2 (en) * | 1985-10-07 | 1994-11-02 | 本田技研工業株式会社 | Vehicle frame |
US5330028A (en) * | 1991-10-11 | 1994-07-19 | Honda Giken Kogyo Kabushiki Kaisha | Saddle-riding type vehicle |
JP3503989B2 (en) * | 1994-07-13 | 2004-03-08 | 本田技研工業株式会社 | Motorcycle frame structure |
JP2942190B2 (en) * | 1996-05-10 | 1999-08-30 | 本田技研工業株式会社 | Body frame structure of buggy car and method of manufacturing the same |
JP3869122B2 (en) * | 1998-07-16 | 2007-01-17 | 本田技研工業株式会社 | Body frame structure of 4-wheel buggy car |
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US7434822B2 (en) | 2004-09-30 | 2008-10-14 | Honda Motor Co., Ltd. | Frame structure |
US20060066068A1 (en) * | 2004-09-30 | 2006-03-30 | Honda Motor Co., Ltd. | Frame structure |
US7753161B2 (en) | 2005-04-07 | 2010-07-13 | Traxxas Lp | Low center-of-gravity chassis for a model vehicle |
US20060292966A1 (en) * | 2005-04-07 | 2006-12-28 | Traxxas | Low center-of-gravity chassis for a model vehicle |
US7819428B2 (en) * | 2006-01-31 | 2010-10-26 | Honda Motor Co., Ltd. | Vehicle frame structure |
US20070176407A1 (en) * | 2006-01-31 | 2007-08-02 | Honda Motor Co., Ltd. | Vehicle frame structure |
US20090294199A1 (en) * | 2008-05-27 | 2009-12-03 | Mcguire Jeremy T | Control Arm Support Brackets And Vehicles Using Same |
US7802816B2 (en) * | 2008-05-27 | 2010-09-28 | Honda Motor Company Ltd. | Control arm support brackets and vehicles using same |
US20100012414A1 (en) * | 2008-07-16 | 2010-01-21 | Harley-Davidson Motor Company Group, Inc. | Three-wheeled vehicle |
US7770683B2 (en) * | 2008-07-16 | 2010-08-10 | Harley-Davidson Motor Company Group, Inc. | Three-wheeled vehicle |
US20090236820A1 (en) * | 2009-05-28 | 2009-09-24 | Liang Chang | Motorcycle rear-wheels transmission and suspension system |
US8177013B2 (en) * | 2009-05-28 | 2012-05-15 | Liang Chang | Motorcycle rear-wheels transmission and suspension system |
US20120193161A1 (en) * | 2009-05-28 | 2012-08-02 | Liang Chang | Motorcycle rear-wheels transmission and suspension system |
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CN102205862A (en) * | 2010-03-31 | 2011-10-05 | 本田技研工业株式会社 | Vehicle |
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