CN101850814A - Low-seat sitting tricycle and main frame thereof - Google Patents
Low-seat sitting tricycle and main frame thereof Download PDFInfo
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- CN101850814A CN101850814A CN 200910038363 CN200910038363A CN101850814A CN 101850814 A CN101850814 A CN 101850814A CN 200910038363 CN200910038363 CN 200910038363 CN 200910038363 A CN200910038363 A CN 200910038363A CN 101850814 A CN101850814 A CN 101850814A
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- frame
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- undercarriage
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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
- B62K5/02—Tricycles
- B62K5/027—Motorcycles with three wheels
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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
- B62K5/02—Tricycles
- B62K5/06—Frames for tricycles
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- Automatic Cycles, And Cycles In General (AREA)
Abstract
The invention discloses a low-seat sitting tricycle and a main frame thereof. The frame of the sitting tricycle comprises a main frame and a rear shaft connecting device arranged at the rear part of the main frame, wherein the main frame comprises a front tube, a front rack, a lower rack, a rear rack, a guide part connecting rack, a supporting part bracket and a seat rack, the upper end of the front rack is connected with the front tube, the lower end is bended backwards and is connected with the lower rack, the rear end of the lower rack is connected with the rear rack, and the front end of the rear rack is connected with the middle part of the lower rack; and the guide part connecting rack is arranged at the middle part or the rear part of the lower rack, the supporting part bracket is arranged at the middle part or the rear part of the rear rack, and the seat rack is arranged at the middle part or the front part of the rear rack. Each part of the main frame is clearly positioned, and the main frame has high structural strength, strong resistance to lateral impact, and simple structure, is easy to process and has good integral assembly performance. The low-seat sitting tricycle assembled with the main frame has low seat position and low running center of gravity, the tricycle is not easy to turn over in driving, and the seat can be regulated, has wide usages and is suitable for various people.
Description
[technical field]
The present invention relates to a kind of three-wheel vehicle and vehicle frame thereof, particularly relate to a kind of sitting tricycle and main car frame thereof of miniature, light, low seat.
[background technology]
Common three-wheel vehicle and three-wheeled electric vehicle are owing to there are three wheels, its stability is better than bicycle and electric motor car with two wheels when low speed driving, therefore small tricycle and three-wheeled electric vehicle are subjected to the elderly and the disabled's welcome, also can be used as smaller vehicle in small and medium-sized cities and rural area.But owing to the mode of taking as the common three-wheel vehicle of traffic means of transport to ride, seat height, running center of gravity height just turn over side easily when speed is very fast.ZL200510036649.X is a kind of sitting type light tricycle, this invention adopts sitting posture to drive, greatly reduce running center of gravity, improved the stability of vehicle ', but its main car frame has been set up handle riser cover and steerage gear spare, handlebar must drive front fork by steerage gear spare and could realize turning to, so the structure more complicated; ZL200510036706.4 is the preposition sitting tricycle of a kind of axis, this invention does not have above-mentioned steering transmission linkage, and it is preposition by axis, the pipe casterangle is realized the sitting posture driving before reducing, but the preceding pipe casterangle of this invention is meant under the situation that car load lands, the angle of preceding tube's axis and ground level, and the angle of undefined preceding pipe and each component part of main car frame and position relation, because main car frame does not have object of reference in design process, so setting of pipe casterangle seems nonsensical before it.Simultaneously, the coupling of foregoing invention main car frame is more, and the vehicle frame assembling is relatively poor, and seat can not be regulated front and back, so still remain to be improved.
[summary of the invention]
Above-mentioned defective at the prior art existence, one of purpose of the present invention is to provide a kind of main car frame each several part location clear, structural strength height, strong, simple in structure, the easy processing of anti-lateral impact ability, a kind of low-seat sitting tricycle main car frame that whole assembling is good; Another object of the present invention is to provide a kind of low seat, low center of gravity, vehicle to be not easy to turn over side under steam, and seat is installed adjusting easily, is fit to different crowd use and broad-spectrum low-seat sitting tricycle.
One of purpose of the present invention is achieved through the following technical solutions: a kind of low-seat sitting tricycle main car frame comprises preceding pipe, side arm, undercarriage, after-frame, guide link span, supporting member support and seat frame; Described side arm is a tubular part, and its upper end joins with preceding pipe, and its lower end bending and undercarriage backward joins, and described undercarriage rear end and after-frame join, and the middle part of described after-frame front end and undercarriage joins;
Described after-frame by left and right side by side and middle two-tube bending of joining by the after-frame transverse tube form, its two-tube front portion is extended with the undercarriage middle part to the front lower place and is joined, its two-tube rear portion extends back and is interconnected to form shelf.After-frame can improve the structural strength of main car frame by left and right arranged side by side and middle two-tube composition of joining by the after-frame transverse tube;
Described undercarriage by left and right side by side and middle two-tube bending of joining by the undercarriage transverse tube form, its two-tube front portion and side arm join, or join by preceding frame connector and side arm, its rear end extends back or bending is joined to back upper place extension and the two-tube of after-frame rear portion, or joins by the rear portion of back frame connector and after-frame.Described undercarriage and after-frame be the two-tube spatial structure that is interconnected to form rhombus side by side, can further improve the structural strength of main car frame and the ability of anti-lateral impact thereof;
Described guide link span is located at undercarriage middle part or rear portion; Described supporting member props up middle part or the rear portion that is set up in after-frame, or is located at the back upper end of undercarriage; Described seat frame is located at the middle part or the front portion of after-frame;
The arranged side by side two-tube of described after-frame middle part is horizontally disposed straight tube, the angle of plane that this two-tube line of centers is formed and preceding tube hub line is selected between 40-66 °, and pipe was gone up the below of die before this plane was positioned at, and the vertical distance of die is selected between 0--300mm on the preceding pipe; Internal clearance between described after-frame middle part is two-tube is side by side selected between 50--310mm;
The arranged side by side two-tube of described undercarriage middle part be straight tube, manages the below of die before the plane that this two-tube line of centers is formed is positioned at, and and preceding pipe on the vertical distance of die between 200--400mm, select; The angle on the plane that plane that described undercarriage middle part two-tube line of centers arranged side by side is formed and after-frame middle part two-tube line of centers arranged side by side is formed is selected between 0-15 °, and the internal clearance between described undercarriage middle part is two-tube is side by side selected between 40--300mm.
Above-mentioned angle and distance parameter comprise that to each main portion of main car frame angle between preceding pipe, undercarriage, the after-frame and position relation carried out location clearly, and this is orientated the goal of the invention that realizes the low seat of three-wheel vehicle, low center of gravity as and lays a good foundation; Described after-frame and undercarriage have formed desirable assembly floor by left and right two-tube composition the arranged side by side, have improved the assembly performance of main car frame greatly, and the internal clearance between it is two-tube can adapt to different installation requirements.
Described side arm has two kinds of schemes available: wherein a kind of scheme is a single tube, and this single tube upper end joins with preceding pipe, and the single tube lower end front portion of bending and undercarriage backward joins, or joins by the front portion of descending frame connector and undercarriage; The another kind of scheme of side arm is two-tube, this is two-tube to be left and right being symmetrical arranged, join by the side arm transverse tube between two-tube, its two-tube upper end and preceding pipe join, or by preceding pipe connections and preceding pipe join its two-tube lower end backward bending join with the two-tube of undercarriage front end respectively.
Another object of the present invention is achieved through the following technical solutions: a kind of low-seat sitting tricycle, comprise vehicle frame and seat, described vehicle frame comprises main car frame and is installed in the Backshaft connecting device at main car frame rear portion that described main car frame comprises preceding pipe, side arm, undercarriage, after-frame, guide link span, supporting member support and seat frame; Described side arm is a tubular part, and its upper end joins with preceding pipe, and its lower end bending and undercarriage backward joins, and described undercarriage rear end and after-frame join, and the middle part of described after-frame front end and undercarriage joins;
Described after-frame by left and right side by side and middle two-tube bending of joining by the after-frame transverse tube form, its two-tube front portion is extended with the undercarriage middle part to the front lower place and is joined, its two-tube rear portion extends back and is interconnected to form shelf;
Described undercarriage by left and right side by side and middle two-tube bending of joining by the undercarriage transverse tube form, its two-tube front portion and side arm join, or join by preceding frame connector and side arm, its rear end extends back or bending is joined to back upper place extension and the two-tube of after-frame rear portion, or joins by the rear portion of back frame connector and after-frame;
Described guide link span is located at undercarriage middle part or rear portion; Described supporting member props up middle part or the rear portion that is set up in after-frame, or is located at the back upper end of undercarriage; Described seat frame is located at the middle part or the front portion of after-frame; The seat of band backrest can be installed on the seat frame easily, and solid and reliable;
The arranged side by side two-tube of described after-frame middle part is horizontally disposed straight tube, the angle of plane that this two-tube line of centers is formed and preceding tube hub line is selected between 40--66 °, and pipe was gone up the below of die before this plane was positioned at, and the vertical distance of die is selected between 0--300mm on the preceding pipe; Internal clearance between described after-frame middle part is two-tube is side by side selected between 50--310mm;
The arranged side by side two-tube of described undercarriage middle part be straight tube, manages the below of die before the plane that this two-tube line of centers is formed is positioned at, and and preceding pipe on the vertical distance of die between 200--400mm, select; The angle on the plane that plane that described undercarriage middle part two-tube line of centers arranged side by side is formed and after-frame middle part two-tube line of centers arranged side by side is formed is selected between 0-15 °, and the internal clearance between described undercarriage middle part is two-tube is side by side selected between 40--300mm.
Above-mentioned angle and distance parameter comprise that to each main portion of main car frame angle between preceding pipe, undercarriage, the after-frame and position relation carried out location clearly, this location cooperates the steamboat footpath front and rear wheel of selecting the 12--22 inch again, make the chair mounted position of three-wheel vehicle low, the car load running center of gravity is low, therefore vehicle is not easy to turn over side under steam, and safety performance is good.
Described side arm has two kinds of schemes available: wherein a kind of scheme is a single tube, and this single tube upper end joins with preceding pipe, and the single tube lower end front portion of bending and undercarriage backward joins, or joins by the front portion of descending frame connector and undercarriage; Another kind of scheme is two-tube, and this is two-tube to be left and right being symmetrical arranged, and joins by the side arm transverse tube between two-tube, and its two-tube upper end and preceding pipe join, or join by preceding pipe connections and preceding pipe, and its two-tube lower end bending backward joins with the two-tube of undercarriage front end respectively.
Described Backshaft connecting device comprises guide, link span assembly, supporting member and rear axle; Described link span assembly comprises that left and right two symmetrically arranged link spans and 3 two ends are fixed on the connection pipe on the left and right link span, article 3, connection pipe distribution roughly triangular in shape on the inner end surface of left and right link span, wherein two connection pipes are located at the forward and backward both sides at left and right link span middle part respectively, be preceding connection pipe and back connection pipe, another connection pipe is located at the downside at left and right link span middle part; Described guide front end and guide link span join, its rear end and link span assembly join, described supporting member upper end joins with the supporting member support, the rear portion of its lower end and link span assembly or guide joins, described rear axle is located at the middle part of link span assembly, and the both sides of rear axle are used to install two trailing wheels; Backshaft connecting device can be dismantled, thereby can significantly reduce packing measurement, saves the packed and transported expense.Described chair mounted is on the seat frame of main car frame.
The advantage of low-seat sitting tricycle main car frame of the present invention is:
1, relation location in the mutual alignment of each chief component of main car frame is clear.Why existing three-wheel vehicle turns over side easily in riding, be because three-wheel vehicle adopts the mode of riding, and seat height, running center of gravity height, Ackermann steer angle rollover, particularly speed electro-tricycle faster easily under centrifugal action is more prone to turn over side during turning.The riding stability of three-wheel vehicle is a system engineering, relates to a series of problems such as moving velocity, height of seat, front and rear wheel load ratio, two rear tracks, and wherein the height of seat is a key point.Because the center of gravity of three-wheel vehicle depends primarily on the gravity center of human body, reduce the running center of gravity that height of seat has promptly reduced car load.Therefore the basic ideas that address this problem are, reduce height of seat as far as possible, and low seat frame technical scheme is exactly a main purpose of the present invention.
The sweptback angle of pipe before but the height that reduces seat frame must reduce.Because the design of three-wheel vehicle is based on human engineering, wherein there is certain proportionate relationship on each limit of triangle line of axis sleeve pipe, handlebar grip and seat rear, and the angle of each main portion of tricycle frame and position relation thereof are by the decision of aforementioned proportion relation.Because the bottom bracket axle pipe is used to install pedal parts, if it is too low that the axis sleeve pipe is set, then might when scrunching, contact to earth, therefore significantly reducing the seat frame height and can not reduce under the situation of axis sleeve pipe height, in order to guarantee the proportionate relationship of above-mentioned triangle line, must be the center of circle just, preceding pipe is rotated a certain angle in the direction of the clock with the axis sleeve pipe.
The present invention is according to the human engineering principle, proportionate relationship based on above-mentioned triangle line, at first defined " the arranged side by side two-tube of after-frame middle part is horizontally disposed straight tube ", and be with the after-frame with reference to having set the plane and the angular range of preceding tube hub line that the two-tube line of centers in after-frame middle part is formed, to the angle orientation of preceding pipe; Then managing in the past is reference again, has further set the distance range of die on two-tube center line plane in after-frame 5 middle parts and the preceding pipe, is the location, mutual alignment of preceding pipe and after-frame; Defined " the arranged side by side two-tube of undercarriage middle part is straight tube " then, and set the angular range of the two-tube center line plane in this two-tube center line plane and after-frame middle part, positioned in angular relation for undercarriage and after-frame middle part, then managed in the past again and be reference, further having set the distance range of die on undercarriage two-tube center line plane in middle part and the preceding pipe, further is the location, mutual alignment of preceding pipe, undercarriage and after-frame.So far, the present invention takes method all linked with one another, and angle between pipe, undercarriage, the after-frame and position range before each main portion of main car frame have been carried out location clearly, and the above-mentioned goal of the invention that realizes the low seat of three-wheel vehicle, low center of gravity of orientating as is laid a good foundation.
2, main car frame structural strength height, anti-lateral impact ability are strong.Three-wheel vehicle is different with two-wheeled cycle, three-wheel vehicle travels when uneven road surface, two trailing wheels and vehicle frame often are subjected to lateral impact power, the present invention addresses this problem by two technical schemes: (1) undercarriage of the present invention and after-frame adopt two-tube side by side, the two-tube bending of undercarriage rear portion and after-frame front portion interconnects and makes main car frame form the spatial structure of rhombus, the spatial structure of this rhombus has not only improved the structural strength of vehicle frame, has especially improved the ability of the anti-lateral impact of car load; (2) main car frame and Backshaft connecting device are used.The rear portion load of car load directly is passed to two trailing wheels by the bumper in the Backshaft connecting device, and for elasticity is connected, this method of attachment has also reduced the lateral impact power of uneven road surface to main car frame greatly between trailing wheel and the main car frame.
3, main car frame processing simple in structure, easy, packing and traffic cost are low.Side arm of the present invention is that a single tube or two are two-tube, and undercarriage is formed by two single tubes bendings arranged side by side, and after-frame is formed by 1 single tube or two two-tube bendings, main car frame processing simple in structure, easy; Two trailing wheels of the present invention are installed in the Backshaft connecting device both sides, and Backshaft connecting device can easy disassembly, so frame width can dwindle greatly, and the packing measurement of car load also dwindles thereupon greatly, thereby has reduced packing and traffic cost.
4, main car frame has good assembly performance.Undercarriage of the present invention and after-frame adopt double pipe structure arranged side by side, equal to provide an assembly floor, make it become the assembling matrix of car load.The major part of vehicle frame, comprise Backshaft connecting device, axis sleeve pipe, seat frame and battery-driven car battery box, controller etc., can be at undercarriage or after-frame direct mount.Especially be the installation of Backshaft connecting device, a need be provided with the guide link span and at after-frame the supporting member support is set just passable on undercarriage, and does not need other attaching partss.
The advantage of low-seat sitting tricycle of the present invention is:
1, seat is low, the car load center of gravity is low, and vehicle is not easy to turn over side under steam, and safety performance is good.The seat face terrain clearance of the embodiment of the invention 1 has only 450mm, has reduced 250-350mm than the saddle height of general three-wheel vehicle; " following front and rear wheel, its height of seat can also be lower to adopt 18 if change.The car load center of gravity of three-wheel vehicle mainly by rider's center of gravity decision, reduces height of seat and has promptly reduced the car load center of gravity, even such height of seat cooperates with the rear track of 500-650mm, institute's stack-mounted three-wheel vehicle also is not easy to turn over side under steam.
2, seat is installed easily and can be regulated front and back, has increased traveling comfort and the safety taken.Seat of the present invention can be regulated front and back, and the crowd who is fit to different builds, all ages and classes uses, and has solved a car and can many people ride the problem that need constantly change trains along with the growth at child's age with reaching; Seat band backrest of the present invention, seat can directly be contained on the seat frame, and the seat of band backrest and employing sitting posture are driven and are made ride comfort; Seat of the present invention is low, and the vehicle frame front portion is open, makes things convenient for old man, child or disabled person to get on or off the bus, and both feet can arrive ground when running into situation, have increased the safety of taking.
3, of many uses.Both can adopt manpower to drive with above-mentioned main car frame stack-mounted three-wheel vehicle as general traffic means of transport, also can be used as leisure, body-building, travel, instrument such as tourism, deliver goods, load onto battery, electrical motor or combustion engine, can also further it be improved to three-wheeled electric vehicle or three-wheel mini-motorcycle etc.
[description of drawings]
Fig. 1 embodiment of the invention 1 main car frame transparent view
Fig. 2 embodiment of the invention 2 main car frame transparents view
Fig. 3 main car frame each several part of the present invention mutual alignment concerns scheme 1 scheme drawing
Fig. 4 main car frame each several part of the present invention mutual alignment concerns scheme 2 scheme drawings
Fig. 5 main car frame each several part of the present invention mutual alignment concerns scheme 3 scheme drawings
Fig. 6 main car frame each several part of the present invention mutual alignment concerns scheme 4 scheme drawings
Fig. 7 main car frame each several part of the present invention mutual alignment concerns scheme 5 scheme drawings
Fig. 8 main car frame each several part of the present invention mutual alignment concerns scheme 6 scheme drawings
Another technical scheme transparent view of Fig. 9 seat frame of the present invention, guide link span and supporting member support
Figure 10 guide plate transparent view of the present invention
Figure 11 the present invention board-like Backshaft connecting device transparent view that leads
Figure 12 pilot bar transparent view of the present invention
Figure 13 guide pipe of the present invention and trough plate structure and assembling perspective view
Figure 14 guiding shaft type Backshaft connecting device of the present invention transparent view
Figure 15 guide frame transparent view of the present invention
Figure 16 the present invention posture Backshaft connecting device transparent view that leads
Figure 17 main car frame of the present invention and the board-like Backshaft connecting device assembling perspective view of guiding
Figure 18 embodiment of the invention 1 low-seat sitting tricycle car load scheme drawing
Among the figure: 32 times frame connectors of front pipe 2 side arm 3 undercarriages, 4 after-frame 5 guide links, 6 supporting member support 7 seat frames, 8 Backshaft connecting device 9 axis sleeve pipes, 10 front pipe connections 21 front frame connector 31 side arm transverse tubes, 41 undercarriage transverse tubes, 42 rear frame connector 51 after-frame transverse tubes 52 guide tube connectors 61 guide connecting plates 62 support stationary pipes 71 rack side plates 72 dull and stereotyped 81 chutes, 82 installing holes, 84 U-shaped codes, 86 guides, 91 link assemblies, 92 supporting members, 93 rear axles, 94 brake gears, 95 wheel hub motors, 96 guide plates, 910 sleeve pipes, 911 fitting recess, 912 guide posts, 913 guide pipes, 914 trough plates, 915 straight tubes, 916 transverse tubes, 917 links, 921 tube connectors, 922 dampers, 931 cramp bars 932
[specific embodiment]
Embodiment 1: as Fig. 1, Figure 17, shown in Figure 180, a kind of low-seat sitting tricycle, comprise vehicle frame, front and rear wheel and seat, described vehicle frame comprises main car frame and Backshaft connecting device 9, pipe 2, side arm 3, undercarriage 4, after-frame 5, guide link span 6, supporting member support 7 and seat frame 8 before described main car frame comprises; Pipe 2 length are 140mm before described, and the side arm 3 of present embodiment be a single tube, and side arm 3 tops are straight tube, and its upper end joins with preceding pipe 2, and the horizontal backward bending in lower end is also joined by the front portion of frame connector 41 and undercarriage 4 down.
The undercarriage 4 of present embodiment by left and right side by side and middle two-tube bending of joining by undercarriage transverse tube 42 form, left and right internal clearance between side by side two-tube is 100mm, and above-mentioned gap can guarantee that undercarriage 4 has between two-tube enough spaces to be used to install parts such as Backshaft connecting device 9 and battery box, controller; The arranged side by side two-tube of undercarriage 4 front portions and middle part is horizontally disposed straight tube, and the angle of plane that this two-tube line of centers is formed and preceding pipe 2 line of centerss is 54 °.Undercarriage 4 middle parts adopt the purpose that is horizontally disposed with straight tube to be for the ease of processing, to be convenient to install parts such as Backshaft connecting device 9 and battery box, and make the outward appearance smoothness attractive in appearance.The front portion of undercarriage 4 joins with side arm 3 (because the side arm 3 of present embodiment is single tube once more by preceding frame connector 31, accurate positioning for pipe 2 before guaranteeing, so having adopted twice with undercarriage 4, side arm 3 bottoms are connected), its front end is used for laterally installing axis sleeve pipe 10 to the front upper place perk, axis sleeve pipe 10 middle parts and side arm 3 join (in other embodiments, axis sleeve pipe 10 can not join with side arm 3 yet), the rear portion of undercarriage 4 joins to the back upper place extension and by the middle part of back frame connector 51 with after-frame 5.
The after-frame 5 of present embodiment by left and right side by side and middle two-tube bending of joining by after-frame transverse tube 52 or back frame connector 51 form; The arranged side by side two-tube of after-frame 5 middle parts is horizontally disposed straight tube, after-frame 5 rear portions two-tube extends back, extending internally separately then and sealing is connected to form shelf, its front portion joins respectively to front lower place extension and the two-tube of undercarriage 4, and the two-tube bending of undercarriage 4 rear portions and after-frame 5 front portions interconnects and makes the main car frame postmedian form the spatial structure of a rhombus; The plane that the left and right two-tube line of centers arranged side by side in after-frame 5 middle parts is formed and the angle of preceding pipe 2 line of centerss are 54 °, and the below of die on the pipe 2 before this plane is positioned at (the last die of preceding pipe 2 is managed the center of circle of 2 upper orifices before being meant), with the vertical distance of die on the preceding pipe 2 be 200mm.Internal clearance between after-frame 5 middle parts are two-tube side by side is 112mm, the purpose of this two-tube employing straight tube is for the ease of flat seat frame 8 is installed, and the seat that is installed on it can fully be regulated front and back, and the purpose that leaves enough internal clearances between two-tube is for the ease of seat frame 8 being installed securely, being made the left and right beat of the unlikely generation of vehicle seat when uneven road surface travels.
The side arm 3 of present embodiment, undercarriage 4 and after-frame 5 have all adopted pipe, and in other embodiments, side arm 3, undercarriage 4 and after-frame 5 can be pipe, both can adopt pipe, also can adopt oval tube or square tube.In the course of processing, undercarriage 4 is left and right arranged side by side two-tubely can to adopt the disposable bending of single tube to form respectively, and then it is fixed together by undercarriage transverse tube 42, after-frame 5 can adopt the disposable bending of single tube to form, also can adopt the bending respectively of 2 single tubes, its rear end extends internally separately and seals and is formed by connecting, and it is left and right affixed by after-frame transverse tube 52 between side by side two-tube.
The guide link span 6 of present embodiment is two left and right are symmetrical arranged and with the guide connection pipe 61,61 of concentric pylone, guide connection pipe 61,61 is fixedly arranged on the support body at undercarriage 4 middle parts, leaves enough internal clearances between the guide connection pipe 61,61 and is used to install Backshaft connecting device 9.
The supporting member support 7 of present embodiment comprises that two ends are provided with the support stationary pipes 71 of screw thread and install the rack side plate 72,72 of its both sides, support stationary pipes 71 is stretched out the outside of rack side plate 72,72, and 72,72 of rack side plates are fixedly arranged on after-frame 5 rear portions two-tube upside side by side.
The seat frame 8 of present embodiment is fixedly arranged on after-frame 5 middle parts two-tube upside side by side abreast, seat frame 8 is an one flat plate 81, dull and stereotyped 81 longitudinal middle parts are provided with chute 82, the seat that is installed on the seat frame 8 was regulated by quick-release screw rod and cooperating with before and after realizing of chute 82, thereby the crowd who is fit to different builds, all ages and classes uses; Because seat frame 8 and after-frame 5 middle parts are for be arrangeding in parallel, the former plane included angle of managing 2 line of centerss and seat frame 8 of institute also is 54 °.Why want ad hoc seat frame 8, be because of reduction along with height of seat, horizontal throw between seat and the axis sleeve pipe is dwindled greatly, determined the rider to drive to the flat sitting posture of taking in front lower place by both legs with stretching, in this case, owing to move behind hypsokinesis of rider upper body and the centre of body weight, in order to guarantee seat enough holding capacity are arranged, vehicle frame must ad hoc seat frame 8.
See Figure 10, shown in Figure 11, the Backshaft connecting device 9 of present embodiment comprises guide 91, link span assembly 92, left and right bumper 931,931 and rear axle 94.Described link span assembly 92 comprises that 921,921 and 3 two ends of left and right two link spans are fixed on the connection pipe 922 on the left and right link span 921,921, article 3, connection pipe distribution roughly triangular in shape on the inner end surface of link span 921,921, wherein two connection pipes are located at the forward and backward both sides at left and right link span 921,921 middle parts respectively, be preceding connection pipe 922 and back connection pipe 922, another is located at the downside at left and right link span 921 middle parts, is following connection pipe 922; Be reserved with enough gaps between the forward and backward connection pipe and be used for installing flywheel (the figure flywheel is not shown); Described rear axle 94 is by the middle part of bearing installation at left and right two link spans 921,921.Described guide 91 comprises guide plate 910, is located at the sleeve pipe 911 and the trough plate 915 (Figure 10) of guide plate 910 front ends, and described guide plate 910 is a flat board, and the sheet steel that employing 1.5mm is thick is also heat-treated, to improve the intensity of its anti-twist distortion; Trough plate 915 is fixedly arranged on its later half subordinate's side, the grooved two side of described trough plate 915 respectively is provided with 3 fitting recess that Open Side Down 912, fitting recess 912 and rear axle 94 free-running fits wherein, the fitting recess 912,912 of forward and backward both sides and forward and backward 922,922 affixed cooperations of connection pipe, latter half of and the trough plate 915 of described guide plate 910 respectively be provided with cooperatively interact more than 8 and with forward and backward connection pipe 922, the 922 affixed mounting holes that cooperate, guide plate 910 and trough plate 915 are realized affixed by the U-shaped sign indicating number 86 and the middle part of forward and backward transverse connecting pipe 922,922.When Backshaft connecting device 9 assembled with main car frame, described sleeve pipe 911 was hinged with the guide connection pipe of being located on the undercarriage 4 61,61 by the axis of guide; And the upper end of left and right bumper 931,931 and support stationary pipes 71 both sides are hinged respectively, and its lower end is hinged with left and right link span 921,921 respectively.Main car frame have the function of vertical deflection because the guide plate 910 of present embodiment adopts through the hot-cured sheet steels, and this link span assembly 92 is connected with main car frame by bumper 931,931, so can significantly reduce the lateral impact power from uneven road surface.
Above-mentioned for the body frame structure for automotive of low-seat sitting tricycle of the present invention.The front-wheel and the handlebar of " front fork; in front fork, load onto 18 " if in the preceding pipe 2 of above-mentioned vehicle frame, load onto 18, in axis sleeve pipe 10, load onto axis and pedal parts, load onto brake gear 95,95 in the outside of left and right link span 921,921, load onto the seat of band backrest, load onto two 18 in rear axle 94 both sides at seat frame flat board 81 " trailing wheel; wherein rear flank wheel and rear axle 94 loose joints; opposite side trailing wheel and rear axle 94 are affixed, and to form differentia transmission, a manual tricycle is promptly accused to assemble and finished.
If above-mentioned manual tricycle is adapted as electro-tricycle, rear axle 94 can be fixed in link span assembly 92, load onto wheel hub motor 96 (Figure 17) at rear flank wheel, opposite side trailing wheel and rear axle 94 loose joints, and then on vehicle frame, load onto battery, controller and electronic actuation member and get final product.If rear axle 94 is further improved, above-mentioned electro-tricycle can also be adapted as the power-assisted electro-tricycle of manpower.
As shown in figure 18, according to above-mentioned design parameters and front and rear wheel and front fork specification, when the present invention is assembled into the three-wheel vehicle car load, through actual measurement, the terrain clearance of die is 600mm (seeing Figure 18) on the preceding pipe 2, the terrain clearance of the two-tube center line plane in after-frame 5 middle parts is 400mm, and the seat face terrain clearance that is installed on it has only 450mm, has reduced 250-350mm than the saddle height of general three-wheel vehicle.The car load center of gravity of three-wheel vehicle mainly by rider's center of gravity decision, reduces height of seat and has promptly reduced the car load center of gravity, even such height of seat cooperates with the rear track of 500-650mm, institute's stack-mounted three-wheel vehicle also is not easy to turn over side under steam.
Embodiment 2: as shown in Figure 2, present embodiment also is a kind of low-seat sitting tricycle, and except side arm 3, the vehicle frame of present embodiment and complete vehicle structure and embodiment 1 are identical.The side arm 3 of present embodiment is left and right symmetrically arranged two-tube, describedly join by side arm transverse tube 32 between two-tube, its two-tube upper end and preceding pipe 2 join (in other embodiments with preceding pipe 2 by preceding pipe connections 21, its two-tube upper end also can be respectively inwardly bending directly join with preceding pipe 2), its two-tube lower end backward bending respectively with two-tube the joining of undercarriage 4 front ends.In fact, the side arm 3 of present embodiment and undercarriage 4 also can be regarded as the left and right arranged side by side and middle U-shaped frame that joins by side arm transverse tube 32 and undercarriage transverse tube 42, the arranged side by side two-tube of this U-shaped frame middle part is straight tube, its two-tube front end joins with preceding pipe 2 to the front upper place extension and by preceding pipe connections 21, perhaps the inside respectively bending of its two-tube front end is directly joined with preceding pipe 2, two-tube joining with after-frame 5 rear portions extended to the back upper place in its two-tube rear end, or joins by the rear portion of back frame connector 51 with after-frame 5.Embodiment 1 and embodiment 2 compare, and the side arm 3 of embodiment 1 adopts single tubes, and the main car frame fluent form is attractive in appearance, the light and handy and saving in material of profile, but side arm 3 structural strengths are inferior slightly, can be used as the three-wheel vehicle that traffic is ridden instead of walk; The side arm 3 of embodiment 2 adopts two-tube, and its U-shaped frame spatial structure is firm, and processing is simple, can adopt the disposable bending of single tube to form, but heavy slightly, can be applicable to the loading three-wheel vehicle.
Except that embodiment, low-seat sitting tricycle of the present invention also has the other technologies scheme available.
One, the plane formed of the left and right two-tube line of centers arranged side by side in after-frame 5 middle parts and the angle of preceding pipe 2 line of centerss.This angle is selected 54 ° in an embodiment, and in other embodiments, this angle can be selected between 40-66 °.
Before address, solve three-wheel vehicle turns over the side problem easily in riding basic ideas and be reduce height of seat as far as possible, to reduce the running center of gravity of vehicle, under the situation that significantly reduces height of seat, in order to guarantee the proportionate relationship of axis sleeve pipe, handlebar grip and seat rear triangle line, must be the center of circle just, preceding pipe is rotated a certain angle in the direction of the clock with the axis sleeve pipe.But the sweptback angle of three-wheel front bar (in the present invention, the angle on the plane that pipe 2 line of centerss and after-frame 5 middle parts two-tube line of centers arranged side by side were formed before this angle was meant) is subjected to certain limitation: if this angle is greater than 66 °, this chassis mount is that car load lands the back preceding pipe casterangle that pipe casterangle can very approaching existing three-wheel vehicle before it, and the purpose that three-wheel vehicle reduces height of seat can't realize naturally; Otherwise, if this angle less than 40 °, then may cause the seat setting too low, cause undercarriage to contact to earth and assembling poor, perhaps make riding posture become " formula of lying entirely " and inconvenience drives; Also might be because of moving the length that increases vehicle too much behind the seat.The sweptback angle of three-wheel front bar is exactly to find a suitable scope in above-mentioned each interrelation, and this angular range can be selected between 40-66 °, sees Fig. 3-shown in Figure 4.
ZL200510036706.4 is the preposition sitting tricycle of a kind of axis, and the preceding pipe casterangle that this invention is set is≤66 °.But the preceding pipe casterangle of this invention is two different notions with the sweptback angle of the preceding pipe of the present invention.The preceding pipe casterangle of this invention is meant under the situation that car load lands, the angle of preceding tube's axis and ground level, and the sweptback angle of pipe is meant in main car frame the angle on the plane that the left and right two-tube line of centers arranged side by side of preceding pipe 2 line of centerss and after-frame 5 middle parts is formed before the present invention.In an embodiment, arranged side by side two-tube employing the at after-frame of the present invention 5 middle parts is horizontally disposed with, and sweptback angle of pipe is 54 ° before it.Because the length of supporting member 93 (or bumper 931) can have different selections in the Backshaft connecting device, perhaps can there be different combinations in the wheel of front and rear wheel footpath, so adopt this main car frame stack-mounted three-wheel vehicle car load after landing, the plane that the left and right two-tube line of centers arranged side by side in after-frame 5 middle parts is formed is just horizontal surface not necessarily, certainly also not necessarily 54 ° of pipe casterangles before it.ZL200510036706.4 has only defined the angle of preceding tube hub line and ground level, the angle of tube hub line and other component parts of main car frame and position relation before undefined, so the setting of its preceding pipe casterangle is owing to there not being object of reference to seem nonsensical in main car frame.
Two, the angle on the plane formed of plane and the after-frame 5 middle parts two-tube line of centers arranged side by side formed of undercarriage 4 middle parts two-tube line of centers arranged side by side.In an embodiment, above-mentioned two planes are parallel to each other, and in other embodiments, this angle can be selected between 0-15 °.
Three, the vertical distance of die on the plane formed of after-frame 5, the left and right two-tube line of centers arranged side by side in undercarriage 4 middle parts and the preceding pipe 2.In an embodiment, the below of die on the pipe 2 before the plane that after-frame 5 middle parts two-tube line of centers arranged side by side is formed is positioned at, and with preceding pipe 2 on the vertical distance of die be 200mm, in other embodiments, this distance can be selected between 0--300mm.
In an embodiment, the terrain clearance of die is 600mm on the preceding pipe 2, if the plane that after-frame 5 middle parts two-tube line of centers arranged side by side is formed is parallel with die on the preceding pipe 2, its height of seat can surpass 650mm.Even use 14 " front and rear wheel and 14 " shock-proof front-fork assembly instead, its height of seat also can surpass 550mm.Therefore in order to realize the goal of the invention of low seat, low center of gravity, the below of die on the pipe 2 before the plane that after-frame 5 middle parts two-tube line of centers arranged side by side is formed should be positioned at.But seat frame 8 can not be established too lowly, because this can influence rider's riding posture, so the vertical distance of die is chosen as suitable between 0--300mm on the plane formed of after-frame 5 middle parts two-tube line of centers arranged side by side and the preceding pipe 2.In addition, in order to guarantee have enough spaces to be used to install battery box, controller and other parts between undercarriage 4 and the after-frame 5, the vertical distance of die should be greater than 0-300mm on plane that undercarriage 4 middle parts two-tube line of centers arranged side by side is formed and the preceding pipe 2, this distance can be selected between 200--400mm, sees Fig. 7-shown in Figure 8.
Four, the left and right internal clearance between side by side two-tube in undercarriage 4 or after-frame 5 middle parts.Except that embodiment is described, in other embodiments, in order to adapt to different installation requirements, the left and right internal clearance between two-tube side by side in undercarriage 4 middle parts can be selected between 40--300mm, and the left and right internal clearance between two-tube side by side in after-frame 5 middle parts can be selected between 50--310mm; The gap should be decided on the width of battery box, mid-motor and guide within undercarriage 4 middle parts were two-tube, and its best internal clearance is 90mm-110mm.
The setting of the minimum internal clearance 40mm in above-mentioned undercarriage 4 middle parts is can realize the actv. guide function for the Backshaft connecting device 9 that guarantees to be installed on it; And the setting of the maximum internal clearance 300mm in undercarriage 4 middle parts is to remain in the reasonable range for the width that makes vehicle frame, to save material and tooling cost; And the setting of the minimum internal clearance 50mm in after-frame 5 middle parts is for the ease of installing seat frame 8, and the setting of after-frame 5 maximum internal clearance 310mm is to remain in the reasonable range for the width that makes vehicle frame equally, to save material and tooling cost.
Five, guide link span.Guide link span 6 cooperates with supporting member support 7, the Backshaft connecting device 9 that is used to be located by connecting, and wherein guide link span 6 is used to install guide 91.Except that embodiment was described, guide link span 6 can also comprise two left and right are symmetrical arranged and with the guide connecting panel 62,62 (seeing shown in Figure 9) of concentric pylone. Guide connecting panel 62,62 directly is fixedly arranged on the upside or the downside at undercarriage 4 middle parts, can also reinforce by 1-2 transverse slat between the left and right guide connecting panel 62,62, the distance on the plane that the through hole hole heart of guide connecting panel 62,62 and undercarriage 4 middle parts two-tube line of centers arranged side by side is formed can be selected between 0-100mm; Guide link span 6 both can be located at the middle part of undercarriage 4, also can be located at the rear portion of undercarriage 4, saw Fig. 5-shown in Figure 6.
Six, supporting member support.Supporting member support 7 is used for mounting support spare 93.The rack side plate 72,72 of embodiment 1 is fixedly arranged on after-frame 5 rear portions two-tube upside side by side, this side plate also can be fixedly arranged on after-frame 5 rear portions two-tube downside side by side in other embodiments, or be fixedly arranged on side by side two-tube upside or downside of after-frame 5 middle parts, the distance of support stationary pipes 71 dies and after-frame 5 rear portions or middle part two-tube center line plane arranged side by side can be selected between 0-100mm, sees Fig. 5-shown in Figure 6; Except that embodiment was described, supporting member support 7 can also directly adopt two ends to be provided with the support stationary pipes 71 of screw thread, and it laterally is fixedly arranged on after-frame 5 rear portions or middle part two-tube upside or downside side by side, or was located at the back upper end of undercarriage 4, saw shown in Figure 9.
Seven, seat frame.Seat frame 8 is used to install seat, its main body is dull and stereotyped 81, except the dull and stereotyped scheme of the described band chute 82 of embodiment, dull and stereotyped 81 can also add the mounting hole 84 that is used to install seat more than 2, seat is installed in seat frame 8 by mounting hole 84, dull and stereotyped 81 are sheathed on after-frame 5 middle parts arranged side by side two-tube by U-shaped sign indicating number 86, and by regulating before and after 86 realizations of degree of tightness U-shaped sign indicating number, the affixed mode of U-shaped sign indicating number is simple and reliable, if dull and stereotyped 81 add chute 82 again, seat adds the adjusting of upper hopper chute 82 by U-shaped sign indicating number 86, make seat before and after setting range bigger, see shown in Figure 9.
Eight, Backshaft connecting device
In the above-described embodiments, Backshaft connecting device 9 is taked to lead board-like, and its guide 91 is a guide plate 910; In addition, Backshaft connecting device 9 can also be taked guiding shaft type and guiding posture.
As Figure 12-shown in Figure 14, link span assembly 92 in the guiding shaft type Backshaft connecting device and supporting member 93 are identical with the board-like Backshaft connecting device of guiding, and difference is its guide 91.The guide 91 of guiding shaft type Backshaft connecting device comprises sleeve pipe 911, pilot bar 913, guide pipe 914 and the trough plate 915 that Open Side Down; The grooved two side of trough plate 915 respectively is provided with 3 fitting recess that Open Side Down 912, wherein Zhong Jian fitting recess 912 cooperates with rear axle 94, the fitting recess 912 of forward and backward both sides and forward and backward 922,922 affixed cooperations of connection pipe, the panel of trough plate 915 is provided with more than 8 and forward and backward connection pipe 922, the 922 affixed mounting holes that cooperate, and affixed by the middle part realization of U-shaped sign indicating number 86 or other attaching partss and forward and backward connection pipe 922,922; Sleeve pipe 911 laterally is fixedly arranged on the front end of pilot bar 913, guide pipe 914 then vertically is fixedly arranged on the upper surface of trough plate 915, the rear portion of pilot bar 913 and guide pipe 914 are hinged, and sleeve pipe 911 is by the axis of guide and guide connection pipe 61,61 coordination hinges of being located on the undercarriage 4; Its supporting member 93 is left and right bumper 931,931, and the installation and connection method of bumper 931,931 and embodiment are together.Because the pilot bar 913 of present embodiment is hinged with guide pipe 914, and link span assembly 92 is connected with main car frame by bumper 931,931, so main car frame can significantly reduce the lateral impact power from uneven road surface equally.
As Figure 15-shown in Figure 16, the link span assembly 92 in the guiding posture Backshaft connecting device is identical with the board-like Backshaft connecting device that leads, and difference is its guide 91.The guide 91 of guiding posture Backshaft connecting device be the guide frame structure, and this guide frame comprises that sleeve pipe 911, two are left and right and is symmetrical arranged and middlely reaches the trough plate 915 that Open Side Down by 1 straight tube 916,916 that joins with upper lateral tube 917; Structure of this trough plate 915 and attaching method thereof is identical with trough plate 915 in the guiding shaft type Backshaft connecting device.Described sleeve pipe 911 laterally is fixedly arranged on the front end of straight tube 916,916, and straight tube 916,916 rear portions and trough plate 915 are affixed or affixed with trough plate 915 realizations by U-shaped sign indicating number 86; Supporting member 93 in the guiding posture Backshaft connecting device is left and right cramp bar 932,932, and described cramp bar 932,932 upper ends and supporting member support 7 are affixed, and lower end and left and right link span 921,921 are affixed.Because it is affixed that the guide frame of present embodiment and link span assembly 92 adopt, and the two ends of cramp bar 932,932 are affixed with link span assembly 92 and main car frame respectively, so main car frame can directly be subjected to the lateral impact power of uneven road surface.
Nine, front and rear wheel wheel footpath.
In order to realize the goal of the invention of low seat, front and rear wheel of the present invention should be selected the 10--22 inch (small diameter wheel of 10--22 "); Front and rear wheel can be taked the same footpath of taking turns, and also can take different wheels directly to make up.
Ten, seat.
Seat among the embodiment has adopted the seat of band backrest, in other embodiments, the boot of band backrest can be set also at after-frame 5 rear portions, replaces backrest by boot.
Claims (12)
1. a low-seat sitting tricycle main car frame comprises preceding pipe (2), side arm (3), undercarriage (4), after-frame (5), guide link span (6), supporting member support (7) and seat frame (8); Described side arm (3) is a tubular part, and its upper end joins with preceding pipe (2), and its lower end bending and undercarriage (4) backward joins, and described undercarriage (4) rear end and after-frame (5) join, and the middle part of described after-frame (5) front end and undercarriage (4) joins;
Described after-frame (5) by left and right side by side and middle two-tube bending of joining by after-frame transverse tube (52) form, its two-tube front portion to the front lower place extend with undercarriage (4) in the middle part of join, its two-tube rear portion extends back and is interconnected to form shelf;
Described undercarriage (4) by left and right side by side and middle two-tube bending of joining by undercarriage transverse tube (42) form, its two-tube front portion and side arm (3) join, or join by preceding frame connector (31) and side arm (3), its rear end extends back or bending is extended two-tube joining with after-frame (5) rear portion to the back upper place, or joins by the rear portion of back frame connector (51) and after-frame (5);
Described guide link span (6) is located at the middle part or the rear portion of undercarriage (4); Described supporting member support (7) is located at the middle part or the rear portion of after-frame (5), or is located at the back upper end of undercarriage (4); Described seat frame (8) is located at the middle part or the front portion of after-frame (5);
It is characterized in that: the arranged side by side two-tube of described after-frame (5) middle part is horizontally disposed straight tube, the angle of plane that this two-tube line of centers is formed and preceding pipe (2) line of centers is selected between 40-66 °, and this plane is positioned at the below of the last die of preceding pipe (2), and the vertical distance of the last die of preceding pipe (2) is selected between 0--300mm; Internal clearance between described after-frame (5) middle part is two-tube is side by side selected between 50--310mm.
2. sitting tricycle main car frame according to claim 1, it is characterized in that: the arranged side by side two-tube of described undercarriage (4) middle part is straight tube, the plane that this two-tube line of centers is formed is positioned at the below that preceding pipe (2) is gone up die, and and preceding pipe (2) vertical distance that goes up die between 200--400mm, select; The angle on the plane that plane that described undercarriage (4) middle part two-tube line of centers arranged side by side is formed and after-frame (5) middle part two-tube line of centers arranged side by side is formed is selected between 0-15 °, and the internal clearance between described undercarriage (4) middle part is two-tube is side by side selected between 40--300mm.
3. sitting tricycle main car frame according to claim 2, it is characterized in that: described side arm (3) is a single tube, its single tube upper end joins with preceding pipe (2), and its single tube lower end front portion of bending and undercarriage (4) backward joins, or joins by the front portion of descending frame connector (41) and undercarriage (4).
4. sitting tricycle main car frame according to claim 2, it is characterized in that: described side arm (3) is for left and right symmetrically arranged two-tube, describedly join by side arm transverse tube (32) between two-tube, its two-tube upper end and preceding pipe (2) join, or join by preceding pipe connections (21) and preceding pipe (2), its two-tube lower end backward bending respectively with two-tube the joining of undercarriage (4) front end.
5. according to claim 3 or 4 described sitting tricycle main car frames, it is characterized in that: described guide link span (6) comprises two left and right are symmetrical arranged and with the guide connection pipe (61,61) of concentric pylone, described guide connection pipe (61,61) is fixedly arranged on the support body at undercarriage (4) middle part;
Perhaps, described guide link span (6) comprises two left and right are symmetrical arranged and with the guide connecting panel (62,62) of concentric pylone, described guide connecting panel (62,62) is fixedly arranged on the upside or the downside at undercarriage (4) middle part, and the distance of the through hole hole heart in the described guide connecting panel (62,62) and undercarriage (4) middle part two-tube center line plane arranged side by side is selected between 0-100mm.
6. sitting tricycle main car frame according to claim 5 is characterized in that: described supporting member support (7) comprises that two ends are provided with the support stationary pipes (71) of screw thread, and described support stationary pipes (71) laterally is fixedly arranged on the upside or the downside at after-frame (5) rear portion;
Perhaps, described supporting member support (7) comprises that two ends are provided with the support stationary pipes (71) of screw thread and install the rack side plate (72,72) of its both sides, support stationary pipes (71) is stretched out rack side plate (72, the 72) outside, described rack side plate (72,72) is fixedly arranged on after-frame (5) rear portion two-tube upside or downside side by side, and the distance of described support stationary pipes (71) die and after-frame (5) rear portion two-tube center line plane arranged side by side is selected between 0-100mm.
7. sitting tricycle main car frame according to claim 6 is characterized in that: described seat frame (8) comprises the flat board (81) that is provided with vertical chute (82), and described flat board (81) is fixedly arranged on the middle part of after-frame (5); Perhaps, described seat frame (8) comprises flat board (81) and the U-shaped sign indicating number (86) that is provided with 2 above mounting holes (84), and described flat board (81) is sheathed on after-frame (5) middle part arranged side by side two-tube by U-shaped sign indicating number (86).
8. sitting tricycle main car frame according to claim 7 is characterized in that: described main car frame (1) comprises axis sleeve pipe (10), and described axis sleeve pipe (10) is located at the front side or the rear side of side arm (3) bottom, perhaps is located at the front end of undercarriage (4).
9. low-seat sitting tricycle, comprise vehicle frame and seat, described vehicle frame comprises main car frame and is installed in the Backshaft connecting device at main car frame rear portion (9) that described Backshaft connecting device (9) comprises guide (91), link span assembly (92), supporting member (93) and rear axle (94); Described link span assembly (92) comprises that left and right two symmetrically arranged link spans (921,921) and 3 two ends are fixed on the connection pipe (922) on the left and right link span (921,921), article 3, connection pipe distribution roughly triangular in shape on the inner end surface of left and right link span (921,921), wherein two connection pipes are located at the forward and backward both sides at left and right link span (921,921) middle part respectively, be preceding connection pipe (922) and back connection pipe (922), another connection pipe (922) is located at the downside at left and right link span (921,921) middle part; Described guide (91) front end and guide link span (6) join, its rear end and link span assembly (92) join, described supporting member (93) upper end joins with supporting member support (7), the rear portion of its lower end and link span assembly (92) or guide (91) joins, and described rear axle (94) is located at the middle part of link span assembly (92); It is characterized in that: described main car frame has adopted as the described main car frame of arbitrary claim among the claim 1-8, and described chair mounted is on the seat frame (8) of main car frame.
10. low-seat sitting tricycle according to claim 9, it is characterized in that: described guide (91) comprises guide plate (910), laterally be fixedly arranged on the sleeve pipe (911) of guide plate (910) front end and the trough plate (915) that Open Side Down, described guide plate (910) is a flat board, trough plate (915) is fixedly arranged on its later half subordinate's side, the grooved two side of described trough plate (915) respectively is provided with 3 fitting recess that Open Side Down (912), wherein Zhong Jian fitting recess (912) cooperates with rear axle (94), and is preceding, the fitting recess (912 of back both sides, 912) with before, back connection pipe (922,922) affixed cooperation; Described guide plate (910) and trough plate (915) be latter half of to be provided with more than 8 and the affixed mounting hole that cooperates of forward and backward connection pipe (922,922), guide plate (910) and trough plate (915) are realized affixed by the middle part of U-shaped sign indicating number (86) or other attaching partss and forward and backward transverse connecting pipe (922,922), described sleeve pipe (911) is hinged with the guide link span of being located on the undercarriage (4) (6); Described supporting member (93) is left and right bumper (931,931), and described left and right bumper (931,931) upper end is hinged with the both sides of supporting member support (7) respectively, and the lower end is hinged with left and right link span (921,921) respectively.
11. low-seat sitting tricycle according to claim 9 is characterized in that: described guide (91) comprises sleeve pipe (911), pilot bar (913), guide pipe (914) and the trough plate (915) that Open Side Down; The grooved two side of described trough plate (915) respectively is provided with 3 fitting recess that Open Side Down (912), wherein Zhong Jian fitting recess (912) cooperates with rear axle (94), fitting recess of forward and backward both sides (912,912) and forward and backward connection pipe (922,922) the affixed cooperation, the panel of trough plate (915) is provided with more than 8 and the affixed mounting hole that cooperates of forward and backward connection pipe (922,922), and affixed by the middle part realization of U-shaped sign indicating number (86) or other attaching partss and forward and backward connection pipe (922,922); Described sleeve pipe (911) laterally is fixedly arranged on the front end of pilot bar (913), and described guide pipe (914) vertically is fixedly arranged on the upper surface of trough plate (915), and described pilot bar (913) rear portion and guide pipe (914) are hinged; Described sleeve pipe (911) is hinged with the guide link span of being located on the undercarriage (4) (6); Described supporting member (93) is left and right bumper (931,931), and described left and right bumper (931,931) upper end is hinged with the both sides of supporting member support (7) respectively, and the lower end is hinged with left and right link span (921,921) respectively.
12. low-seat sitting tricycle according to claim 9 is characterized in that: described guide (91) comprises that sleeve pipe (911), two are left and right and is symmetrical arranged and middlely reaches the trough plate (915) that Open Side Down by 1 straight tube that joins with upper lateral tube (917) (916,916); The grooved two side of described trough plate (915) respectively is provided with 3 fitting recess that Open Side Down (912), wherein Zhong Jian fitting recess (912) cooperates with rear axle (94), fitting recess of forward and backward both sides (912,912) and forward and backward connection pipe (922,922) the affixed cooperation, the panel of trough plate (915) is provided with more than 8 and the affixed mounting hole that cooperates of forward and backward connection pipe (922,922), and affixed by the middle part realization of U-shaped sign indicating number (86) or other attaching partss and forward and backward connection pipe (922,922); Described sleeve pipe (911) laterally is fixedly arranged on the front end of straight tube (916,916), and hinged with the guide link span of being located on the undercarriage (4) (6); Described straight tube (916,916) rear portion and trough plate (915) are affixed or affixed by U-shaped sign indicating number (86) and trough plate (915); Described supporting member (93) is left and right cramp bar (932,932), and described left and right cramp bar (932,932) upper end is affixed with the both sides of supporting member support (7) respectively, and the lower end is affixed with left and right link span (921,921) respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910038363 CN101850814A (en) | 2009-04-02 | 2009-04-02 | Low-seat sitting tricycle and main frame thereof |
| PCT/CN2010/071475 WO2010111955A1 (en) | 2009-04-02 | 2010-03-31 | Seat type tricycle with low-seat and main frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910038363 CN101850814A (en) | 2009-04-02 | 2009-04-02 | Low-seat sitting tricycle and main frame thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101850814A true CN101850814A (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910038363 Pending CN101850814A (en) | 2009-04-02 | 2009-04-02 | Low-seat sitting tricycle and main frame thereof |
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| Country | Link |
|---|---|
| CN (1) | CN101850814A (en) |
| WO (1) | WO2010111955A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108248741A (en) * | 2018-01-31 | 2018-07-06 | 广州蓝豚电动车科技开发有限公司 | A kind of tricycle frame |
| CN108327829A (en) * | 2018-01-31 | 2018-07-27 | 江苏金彭车业有限公司 | A kind of electric vehicle |
| CN109747358A (en) * | 2017-11-03 | 2019-05-14 | 益阳天华两栖车艇有限公司 | A kind of frame assembly of amphibious speedboat |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802897B (en) * | 2015-05-27 | 2017-03-08 | 重庆万虎机电有限责任公司 | One kind is ridden, is sat double site type motor tricycle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2202087Y (en) * | 1994-03-15 | 1995-06-28 | 武荣辉 | Bicycle with improved chain drive |
| JP2003146278A (en) * | 2001-11-08 | 2003-05-21 | Hokuriku Electric Power Co Inc:The | Vehicle |
| CN100453393C (en) * | 2005-10-13 | 2009-01-21 | 张向阳 | Mini type tricycle and its car frame |
| CN2827844Y (en) * | 2005-10-13 | 2006-10-18 | 张向阳 | Minitricycle and its frame |
| CN201052815Y (en) * | 2007-04-03 | 2008-04-30 | 任安生 | Tricycle frame |
| CN201447009U (en) * | 2009-04-03 | 2010-05-05 | 张向阳 | Sitting tricycle with low chair and main cycle frame thereof |
-
2009
- 2009-04-02 CN CN 200910038363 patent/CN101850814A/en active Pending
-
2010
- 2010-03-31 WO PCT/CN2010/071475 patent/WO2010111955A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747358A (en) * | 2017-11-03 | 2019-05-14 | 益阳天华两栖车艇有限公司 | A kind of frame assembly of amphibious speedboat |
| CN109747358B (en) * | 2017-11-03 | 2021-10-26 | 益阳天华两栖车艇有限公司 | Frame assembly of amphibious speedboat |
| CN108248741A (en) * | 2018-01-31 | 2018-07-06 | 广州蓝豚电动车科技开发有限公司 | A kind of tricycle frame |
| CN108327829A (en) * | 2018-01-31 | 2018-07-27 | 江苏金彭车业有限公司 | A kind of electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010111955A1 (en) | 2010-10-07 |
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