CN2711018Y - Double-tube type frame, and miniature four-wheeled vehicle therewith - Google Patents
Double-tube type frame, and miniature four-wheeled vehicle therewith Download PDFInfo
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- CN2711018Y CN2711018Y CN 200420071860 CN200420071860U CN2711018Y CN 2711018 Y CN2711018 Y CN 2711018Y CN 200420071860 CN200420071860 CN 200420071860 CN 200420071860 U CN200420071860 U CN 200420071860U CN 2711018 Y CN2711018 Y CN 2711018Y
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Abstract
The utility model discloses a double-tube type frame and a miniature quadricycle which is assembled by the double-tube type frame. The frame comprises an upper pipe and a lower pipe, which are in parallel levelly flatly and are mutually connected via a horizontal tube, and a back riser. The front end of the upper pipe is curved into an arc which is connected with the lower pipe mutually, with the back end being connected with the lower pipe via the back riser. The front part of the frame is installed a master pin location adapter and a deflecting bar location pipe, and the back part is provided with an actuating shaft installation apparatus. The miniature quadricycle of the utility model comprises the frame, a pair of front wheels and a pair of back wheels, a drive device, a turning device and a brake device, etc. The double-tube type frame of the utility model is of simple structure, outstanding function, a little occupying space and easy processing. The miniature quadricycle assembled by the frame is of small size and portability, stable and stable driving, comfortable ride and comprehensive usage. Man power drive is adopted as an ordinary tool which is a substitute of walking, the utility model is also applicable to amusement, body building, leisure or tourism. Equipped with battery, electric motor can be developed into a miniature four-wheel electric vehicle, a miniature fourth wheel power assist vehicle or a vehicle for the disabled, etc.
Description
[technical field]
The utility model relates to a kind of four-wheeled and vehicle frame thereof, especially relates to a kind of miniature four-wheel vehicle and vehicle frame thereof.
[technical background]
To so far, disclosed four-wheeled patent does not still have the case of successful implementation both at home and abroad, reason is that the related four-wheeled volume of these inventions is too big, car body is heavy, can't generally promote in town and country as traffic means of transport, particularly as the vehicle frame ubiquity complex structure of four-wheeled agent structure, function singleness, the parts problem such as big that is difficult for installing, takes up room, thereby cause it also not have ripe product to come out so far, Chinese patent 98800333.3 and 00236141.8 fails to solve this difficult problem equally as immediate documents.
[summary of the invention]
One of the purpose of this utility model be for provide a kind of simple in structure, parts are installed easily, it is little to take up room, easy processing, lower-cost double tube frame; Another purpose of the present utility model is the miniature four-wheel vehicle for a kind of small volume and less weight being provided, taking safety and comfort, can be used as traffic means of transport and serve many purposes in town and country.
One of the purpose of this utility model is achieved through the following technical solutions: a kind of double tube frame, comprise two left and right side by side, and by interconnective pipe, pipe and the rear profile tube down gone up of transverse tube, wherein go up in the pipe, the rear portion is linear portion, its front portion is bowed downward to arc section, following pipe is a linear portion, the arc section of its front end and last pipe joins, and the rear end joins by rear profile tube and last pipe rear end; Stub locating connector and deflecting bar registration arm are equipped with in described vehicle frame front portion, and the axle drive shaft erecting device is equipped with at the rear portion, on manage the preceding bottom of arc section front frame be housed, the front frame rear end extends upward with following pipe and joins;
Between the described top tube and down tube medium-height trestle is housed, medium-height trestle is the straight plate in 1-4 piece band-slot cross section, perhaps organizes left and right two-tube composition the arranged side by side by 1-4; Described front frame is converted into by steel plate, perhaps left and rightly forms side by side and by the two-tube bending of transverse tube bonded assembly by two.
Another purpose of the present utility model is achieved through the following technical solutions: a kind of miniature four-wheel vehicle, comprise vehicle frame, a pair of front-wheel and pair of rear wheels, actuating device, steering hardware, brake gear and seat, described vehicle frame comprise two left and right side by side, and by interconnective pipe, pipe and the rear profile tube down gone up of transverse tube, wherein go up in the pipe, the rear portion is linear portion, its front portion is bowed downward to arc section, following pipe is a linear portion, its front end and last pipe arc section join, and the rear end joins by rear profile tube and last pipe rear end; Stub locating connector and deflecting bar registration arm are equipped with in described vehicle frame front portion, and the axle drive shaft erecting device is equipped with at the rear portion, on manage the preceding bottom of arc section front frame be housed, the front frame rear end extends upward with following pipe and joins;
Between the described top tube and down tube medium-height trestle is housed, medium-height trestle is the straight plate in 1-4 piece band-slot cross section, perhaps organizes left and right two-tube composition the arranged side by side by 1-4; Described front frame is converted into by steel plate, perhaps left and rightly forms side by side and by the two-tube bending of transverse tube bonded assembly by two.
The advantage of the utility model double tube frame is:
1. simple in structure, function is given prominence to, integrate full car carrying main body and assembling matrix.Double tube frame is simple in structure, solid and reliable, vehicle frame is not only the carrying main body, and becomes erecting stage, full car owner wants parts to comprise actuating device, steering hardware, brake gear, and wheel, seat, shelf etc. can directly or by simple attaching parts be installed on it.
2. it is little to take up room.In a preferred embodiment, vehicle frame length and width height is 138cm * 32cm * 40cm only, and the width of main car frame only is 8cm after the dismounting, the not only instant packed and transportation of the vehicle frame of this " ultra-thin shape ", and favourable reduction packed and transported cost.
3, easily processing, cost are lower.The utility model double tube frame can directly adopt metal pipe material bending, welding fabrication, does not need special joint, and technology is simple, process easily and enforcement, cost lower.
Advantage with above-mentioned double tube frame stack-mounted the utility model miniature four-wheel vehicle is:
1, car load small volume and less weight.In a preferred embodiment, adopting the miniature quadricycle volume of double tube frame stack-mounted is long 166cm * wide 50cm * high 98cm, with common 24, and " bicycle is suitable, and car load nearly weighs 14kg, and is slightly heavier than bicycle.The vehicle of this small volume and less weight can substitute two-wheeled cycle fully and generally promote in town and country.
2, driving stability safety, ride comfort.Four small diameter wheels of the present utility model are distributed in around the vehicle body, and the height of seat only is 58cm, and this four-wheel lands and ultralow center of gravity structure has improved the stability and the safety of travelling greatly; Front and back wheel of the present utility model can adopt resilient suspension, takes semi-lying type to drive on the seat of band backrest, has increased the traveling comfort of taking greatly; Can before and after the seat regulated cooperate can up-down adjustment the steering handwheel crowd that is fit to all ages and classes use.
3, of many uses.The utility model not only can be used as general traffic means of transport, can also be developed as fun vehicle, body-building vehicle, RV recreational vehicle, touristy coach or perambulator, load onto battery, electrical motor can also further be developed as miniature four-wheel electric motor car, miniature four-wheeled vehicle, miniature four-wheel mini-motorcycle or disabled person's car etc.
[description of drawings]
Fig. 1 is the utility model double tube frame preferred embodiment overall structure transparent view
Fig. 2 is for adopting the miniature quadricycle embodiment of double tube frame stack-mounted design sketch
Fig. 3 is a double steel plate formula stub locating connector transparent view
Fig. 4 is a double-crossbar type stub locating connector transparent view
Fig. 5 is single steel plate+bumper formula stub locating connector transparent view
Fig. 6 is A shape stub guide plate+bumper formula stub locating connector transparent view
Fig. 7 is double steel plate+bumper formula stub locating connector transparent view
Fig. 8 is front and back transverse connecting pipe formula axle drive shaft erecting device transparents view
Fig. 9 is a transverse connecting pipe formula axle drive shaft erecting device transparent view up and down
Figure 10 is band sleeve pipe guide plate+bumper formula axle drive shaft erecting device transparent view
Figure 11 is band sleeve pipe guide plate scheme drawing
Figure 12 is guide plate+Load Regulation balladeur train formula axle drive shaft erecting device transparent view
Figure 13 is half rolling guide plate scheme drawing
Figure 14 is flute profile guide plate+bumper formula axle drive shaft erecting device transparent view
Figure 15 is a flute profile guide plate scheme drawing
Figure 16 is that T shape connection diagram is adopted in upper and lower pipe rear end
Figure 17 is an arc type main car frame scheme drawing behind the preceding straight line
Figure 18 is front and back arc type main car frame scheme drawings
Figure 19 is trapezoidal formula main car frame scheme drawing
Among the figure: on manage 1 time the pipe 2 stub locating connectors 3
Axle drive shaft erecting device 4 rear profile tubes, 5 axis and brake axle erecting frame 6
Deflecting bar registration arm 7 transverse tubes 8 medium-height trestles 11
Leading to steel cable 34,34 ' axle drive shaft, 40 left and right rear shock absorbers 43,43 '
Bearing 44,44 ' rear shock absorber axle 45,45 ' back guiding steel cable 46,46 '
Axis 61 brake axles 62 deflecting bar sleeve pipes 70 registration arm bearings 71,71 '
Deflecting bar 72 quick-release dead rings 73 stubs location cross bar 311,311 '
Left and right front shock absorber 331,331 ' front shock absorber axle 332
A shape stub guide plate 341,341 ' transverse connecting pipe 441,441 '
Left and right connecting strap 442,442 ' guide plate, 461 guide plate anchor shafts 463
Load Regulation balladeur train 472 balladeur trains are regulated spiral shell 473 flute profile guide plates 491
[specific embodiment]
Preferred embodiment: present embodiment is the miniature quadricycle of double tube frame institute stack-mounted that two pipes arranged side by side of employing are made.As shown in Figure 1, this vehicle frame comprises main car frame, stub locating connector 3 and axle drive shaft erecting device 4.Wherein main car frame comprise pipe 1, manage 2 down, rear profile tube 5, transverse tube 8, medium-height trestle 11 and front frame 12.Last pipe 1, down manage 2 and rear profile tube 5 interconnect by transverse tube 8 by two left and right pipes arranged side by side and form, the pipe cross section is 22mm, thickness of pipe 2mm, about pipe centre distance arranged side by side be 5.8mm, wherein go up in the pipe 1, the rear portion is linear portion, its front portion is bowed downward to arc section, under manage 2 for linear portion, its front end and last pipe 1 arc section join, the rear end joins by rear profile tube 5 and last pipe 1 rear end; Stub locating connector 3 is equipped with in the bottom before the vehicle frame, and deflecting bar registration arm 7 tiltedly is equipped with in going up pipe 1 and retreating between the pipe 2 down of vehicle frame front upper part, and axle drive shaft erecting device 4 is equipped with at the vehicle frame rear portion.For increasing frame strength, between pipe 1 and the following pipe 2 medium-height trestle 11 that 2 sheet steels with 3mm are made, the cross section is flute profile is housed on the vehicle frame rear portion; For stub locating connector 3 is installed, front frame 12 is equipped with following pipe 2 front ends in last pipe 1 preceding bottom, front frame 12 is interconnected by transverse tube 8 by two pipes arranged side by side and forms, and front frame 12 front ends and last pipe 1 preceding bottom join, and its rear end K/UP extends and following pipe 2 joins.
As Fig. 1, shown in Figure 7, the stub locating connector 3 of present embodiment adopts double steel plate+bumper formula.This device comprises that stub fixing steel plate 32,32 ', stub install bearing 33,33 ', front shock absorber 331,331 ' and front shock absorber axle 332.Stub is installed bearing 33,33 ' and is loaded on upper and lower two stub fixing steel plate 32,32 ' two ends, stub fixing steel plate 32,32 ' is parallel and laterally be fixed in down the preceding bottom of pipe 2 front ends and front frame 12 respectively, left and right front shock absorber 331,331 ' upper end and to be installed in the front shock absorber axle 332 of managing 1 front end hinged, its lower end and stub fixing steel plate 32 outsides are hinged.Because the relative position in the motion between stub and the stub fixing steel plate often changes, so this routine stub is installed bearing 33,33 ' employing oscillating bearing.When mounted, upper and lower bearing axis upper end tilts 4.5 ° to the vehicle body rear side, to 6 ° of the inboard inclinations of vehicle body, to form suitable kingpin caster angle and Kingpin inclination angle.Simultaneously, be to guarantee the accurate location of stub, under manage 2, installed additional between front frame 12 and the stub fixing steel plate 32,32 ' leading to steel cable 34,34 '.
As Fig. 1, shown in Figure 14, present embodiment adopts flute profile guide plate+bumper formula axle drive shaft erecting device.This device is contained in the vehicle frame rear end, comprises flute profile guide plate 491, guide plate anchor shaft 463, left and right rear shock absorber 43,43 ', antifriction-bearing box 44,44 ', rear shock absorber axle 45, transverse connecting pipe 441,441 ' and left and right connecting strap 442,442 '; Flute profile guide plate 491 rear end dual-sides are preset with 3 circular holes, wherein the circular hole of both sides cooperates with transverse connecting pipe 441,441 ', middle circular hole cooperates with axle drive shaft 40, and its slightly larger in diameter is in the diameter (as Figure 15) of axle drive shaft 40, so that axle drive shaft can rotate freely therein; Flute profile guide plate 491 front ends are hinged by guide plate anchor shaft 463 and medium-height trestle 11, transverse connecting pipe 441,441 ' inserts and is fixed in the default circular hole in flute profile guide plate 491 rear ends, its two ends respectively with bearing 44 is housed, 44 ' left and right connecting strap 442,442 ' is affixed, left and right rear shock absorber 43,43 ' upper end and to be installed in the rear shock absorber axle 45 of managing 1 rear end hinged, the both sides of its lower end and transverse connecting pipe 441 are hinged.For guaranteeing the accurate location of trailing wheel, back guiding steel cable 46,46 ' (Fig. 1) between the outside of guide plate anchor shaft 463 and transverse connecting pipe 441, have been installed additional.
As shown in Figure 1, axis and brake axle erecting frame 6 also are equipped with in following pipe 2 middle parts, and axis 61 and brake axle 62 are housed on the erecting frame 6.
More than describe composition of the utility model double tube frame and attaching method thereof, adopted this vehicle frame can further it be assembled into miniature quadricycle.As shown in Figure 1 and Figure 2, in the stub locating connector 3 of this vehicle frame, load onto steering linkage, on the steering swivel of steering linkage both sides, load onto front-wheel, load onto common bicycle pedal parts at axis 61, on axle drive shaft erecting device 4, load onto axle drive shaft 40, on axle drive shaft 40, load onto flywheel, load onto band-type brake parts and pair of rear wheels in axle drive shaft 40 both sides with the corresponding position of the sprocket wheel in the pedal parts by bearing 44,44 '; In deflecting bar registration arm 7, load onto deflecting bar sleeve pipe 70 free to rotate by registration arm bearing 71,71 ', the deflecting bar 72 that can slide up and down inserts deflecting bar sleeve pipe 70 and is fixed in by quick-release dead ring 73 on the appropriate location of deflecting bar sleeve pipe 70, load onto steering handwheel in deflecting bar 72 upper ends, in brake axle 62 and trailing wheel band-type brake parts, load onto brake gear, seat is loaded onto at rear portion at last pipe 1, and a miniature quadricycle is promptly accused assembling and finished.
Present embodiment adopts 16 " front-wheel and 20 " trailing wheel, the long-pending long 166cm of full car body * wide 50cm * high 98cm, and car load nearly weighs 14kg, volume and common 24, and " bicycle is suitable, and weight is slightly heavy.This car four-wheel adopts resilient suspension, and seat adopts the big seat of band backrest, and its highly about 58cm can carry out front and back by governing screw and regulate; The up-down adjustment that cooperates deflecting bar is regulated in the front and back of seat, and the crowd that can adapt to all ages and classes uses; This car adopts steering handwheel to turn to, and makes to drive to be rich in enjoyment.The miniature quadricycle that this small volume and less weight, center of gravity are low, driving stability safety, ride comfort, driving are rich in enjoyment can substitute two-wheeled cycle fully and generally promote in town and country.This miniature quadricycle not only can be used to ride instead of walk, and can be widely used in travel, body-building, leisure, tourism, deliver goods or be developed as perambulator.If under manage 2 and load onto battery, motor or combustion engine, then it further can be developed as miniature four-wheel electric motor car, miniature four-wheeled vehicle, miniature four-wheel mini-motorcycle or use as disabled person's car.
Except preferred embodiment, the main car frame of of the present utility modelly going up pipe 1, manage 2 down, rear profile tube 5, transverse tube 8, medium-height trestle 11 and front frame 12 being formed, and stub locating connector 3 and axle drive shaft erecting device 4 can also have the multiple technologies scheme.The combination of these different compositions, different technologies scheme can be formed more embodiment.
One, main car frame
Going up pipe 1, manage 2 down in the main car frame, rear profile tube 5, transverse tube 8 and front frame 12 not only can adopt as the described pipe of preferred embodiment (Fig. 1), and can adopt as shown in Figure 3 square tube, left and right two-tube centre distance arranged side by side can be selected between 40-100mm.
Be to increase the intensity of vehicle frame, on manage 1 with can install 1-4 group medium-height trestle 11 down between the pipe 2, medium-height trestle 11 can adopt the straight plate as the described band-slot of embodiment cross section, also can adopt left and right side by side two-tube.
Two, stub locating connector
Except the described double steel plate of preferred embodiment+bumper formula, can also take following four kinds of modes that stub is positioned:
1, double steel plate formula.As shown in Figure 3, this device comprise upper and lower stub fixing steel plate 32,32 ' and stub bearing 33,33 ' is installed (in described herein four kinds of stub locating connectors, except that " double-crossbar type " stub bearing 33,33 ' is installed and is adopted the end bar joint bearing, all the other all adopt oscillating bearing).Upper and lower stub fixing steel plate 32,32 ' is parallel and laterally be fixed in down pipe 2 preceding bottoms and front frame 12 bottoms respectively, and upper and lower stub fixing steel plate 32,32 ' two ends are equipped with stub bearing 33,33 ' is installed.
2, double-crossbar type.As shown in Figure 4, this device comprise upper and lower stub location cross bar 311,311 ' and stub bearing 33,33 ' is installed.Upper and lower stub location cross bar 311,311 ' is parallel and laterally be fixed in down pipe 2 preceding bottoms and front frame 12 bottoms respectively, and stub installation bearing 33,33 ' is equipped with at cross bar 311,311 ' two ends, upper and lower stub location.Upper and lower stub location cross bar 311,311 ' the available alloy pipe, spring steel or carbon fibre are made.
3, single steel plate+bumper formula.As shown in Figure 5, this device comprises that left and right front shock absorber 331,331 ', front shock absorber axle 332, stub fixing steel plate 32 ' and stub install bearing 33,33 '.Front shock absorber axle 332 and two ends are equipped with stub that bearing 33,33 ' stub fixing steel plate 32 ' are installed are parallel and laterally be fixed in respectively and manage 1 the preceding upper end and the bottom of front frame 12, and left and right front shock absorber 331,331 ' upper and lower end are hinged with front shock absorber axle 332 and stub fixing steel plate 32 ' homonymy respectively.Axle can directly be installed main pin connecting block, steering swivel and track arm steering linkage parts such as (not marking in the accompanying drawing) as stub in this routine bumper.
4, A shape stub guide plate+bumper formula.As shown in Figure 6, this device comprises that A shape stub guide plate that the upper and lower two pairs of left-right symmetric arrange 341,341 ', front shock absorber 331,331 ', front shock absorber axle 332 and stub install bearing 33,33 '.Upper and lower two pairs of A shape stub guide plates 341,341 ' top are equipped with stub bearing 33,33 ' are installed, wherein a pair of bottom is with pipe 2 front ends are hinged down, bottom that another is right and front frame 12 are hinged, left and right front shock absorber 331,331 ' upper end are hinged with the front shock absorber axle 332 that is installed in pipe 1 front end, its lower end and last to hinged outside the A shape stub guide plate 341,341 '.Upper and lower A shape stub guide plate 341,341 ' available steel plate or carbon fibre are made.
The installation of stub locating connector 3 must be satisfied such requirement: stub is installed bearing 33, the upper and lower line of centers of 33 ' homonymy upper end must tilt 2 °-8 ° respectively to vehicle body rear side and vehicle body inboard respectively, to form suitable kingpin caster angle and Kingpin inclination angle.Be to guarantee stub and wheel flutter accurate location under steam, upper and lower stub fixing steel plate 32,32 ', upper and lower stub location cross bar 311,311 ', front shock absorber axle 332 etc. and all can symmetry install additional left and right leading between upper and lower to steel cable 34,34 ' (as Fig. 1, Fig. 3).
Three, axle drive shaft erecting device
Preferred embodiment has adopted flute profile guide plate+bumper formula axle drive shaft erecting device, can adopt following four kinds of modes that axle drive shaft is installed in addition:
1, front and back transverse connecting pipe formula.As shown in Figure 8, this device comprises two transverse connecting pipes arranged side by side 441,441 ', left and right connecting strap 442,442 ' and bearing 44,44 ' (this example and following each routine bearing 44,44 ' all adopt antifriction-bearing box); Bearing 44,44 ' is equipped with at left and right connecting strap 442,442 ' middle part, and transverse connecting pipe 441,441 ' on even keel are fixed in down pipe 2 rear ends, and its two ends and left and right connecting strap 442,442 ' are affixed.
2, transverse connecting pipe formula up and down.As shown in Figure 9, this device comprises two transverse connecting pipes arranged side by side 441,441 ', left and right connecting strap 442,442 ' and bearing 44,44 '; Bearing 44,44 ' is equipped with at left and right connecting strap 442,442 ' middle part, and transverse connecting pipe 441,441 ' is arranged above and below and is fixed in rear profile tube 5 lower ends and pipe 2 rear ends down respectively, and its two ends and left and right connecting strap 442,442 ' are affixed.
3, band sleeve pipe guide plate+bumper formula.As shown in figure 10, this device comprises front end guide plate 461 with well (Figure 11), guide plate anchor shaft 463, transverse connecting pipe 441,441 ', left and right connecting strap 442,442 ', bearing 44,44 ' and the upper and lower axle 45,45 ' of rear shock absorber; Guide plate 461 front ends are hinged by guide plate anchor shaft 463 and medium-height trestle 11, rear end and two transverse connecting pipes arranged side by side 441,441 ' middle part are affixed, transverse connecting pipe 441,441 ' two ends with bearing 44 is housed, 44 ' left and right connecting strap 442,442 ' is affixed, left and right rear shock absorber 43,43 ' upper and lower end are hinged with side with upper and lower 45,45 ' of rear shock absorber respectively, and the upper and lower axle 45,45 ' of rear shock absorber then is fixed in pipe 1 rear end and guide plate 461 back upsides respectively.
4, guide plate+Load Regulation balladeur train formula.As shown in figure 12, this device comprises that guide plate 461, Load Regulation balladeur train 472, balladeur train regulate spiral shell 473, transverse connecting pipe 441,441 ', left and right connecting strap 442,442 ' and bearing 44,44 '; Described guide plate 461 can be a straight plate, it also can be the straight plate (Figure 13) that front end is rolled into half rolling, guide plate 461 front ends are with pipe 2 is affixed down, rear end and two transverse connecting pipes arranged side by side 441,441 ' middle part are affixed, transverse connecting pipe 441,441 ' two ends with bearing 44 is housed, 44 ' left and right connecting strap 442,442 ' is affixed, be installed on guide plate 461 middle parts Load Regulation balladeur train 472 can along under manage 2 and guide plate 461 front and back slide, balladeur train governing screw 473 cooperates with balladeur train 472 balladeur train 472 is fixed on down manages on 2 the appropriate location.
Claims (12)
1, a kind of double tube frame, comprise two left sides, side by side right, and by the interconnective pipe (1) of going up of transverse tube (8), following pipe (2) and rear profile tube (5), wherein go up in the pipe (1), the rear portion is a linear portion, its front portion is bowed downward to arc section, following pipe (2) is a linear portion, its front end and last pipe (1) arc section join, the rear end joins by rear profile tube (5) and last pipe (1) rear end, it is characterized in that: stub locating connector (3) and deflecting bar registration arm (7) are equipped with in described vehicle frame front portion, axle drive shaft erecting device (4) is equipped with at the rear portion, front frame (12) is equipped with in the preceding bottom of last pipe (1) arc section, and front frame (12) rear end extends upward with following pipe (2) and joins.
2, double tube frame according to claim 1 is characterized in that: described going up between pipe (1) and the following pipe (2) is equipped with medium-height trestle (11), and medium-height trestle (11) is the straight plate in 1-4 piece band-slot cross section, perhaps organizes left and right two-tube composition the arranged side by side by 1-4; Described front frame (12) is converted into by steel plate, perhaps left and rightly forms side by side and by the two-tube bending of transverse tube (8) bonded assembly by two.
3, double tube frame according to claim 2 is characterized in that: described stub locating connector (3) comprises upper and lower stub fixing steel plate (32), (32 ') or upper and lower stub location cross bar (311), (311 '); Stub fixing steel plate (32), (32 ') or stub location cross bar (311), (311 ') are parallel to each other and laterally are fixed in down preceding bottom of pipe (2) and front frame (12) bottom respectively, and stub installation bearing (33), (33 ') are equipped with in upper and lower stub fixing steel plate (32), (32 ') or upper and lower stub location cross bar (311), (311 ') two ends.
4, double tube frame according to claim 2 is characterized in that: described stub locating connector (3) comprises stub fixing steel plate (32 '), left and right front shock absorber (331), (331 ') and front shock absorber axle (332); Front shock absorber axle (332) and two ends are equipped with stub that the stub fixing steel plate (32 ') of bearing (33), (33 ') is installed are parallel and laterally be fixed in the front end of managing (1) and the bottom of front frame (12) respectively, and left and right front shock absorber (331), (331 ') upper and lower end are hinged with front shock absorber axle (332) and stub fixing steel plate (32 ') homonymy respectively.
5, double tube frame according to claim 2 is characterized in that: described stub locating connector (3) comprises two pairs of A shape stub guide plate (341), (341 ') and left and right front shock absorber (331), (331 ') that left-right symmetric is arranged up and down; Stub installation bearing (33), (33 ') are equipped with in the top of A shape stub guide plate (341), (341 '), wherein a pair of bottom is with pipe (2) front end is hinged down, bottom that another is right and front frame (12) are hinged, and left and right front shock absorber (331), (331 ') upper and lower end are hinged with the front shock absorber axle (332) that is installed in pipe (1) front end and A shape stub guide plate (341), (341 ') outside respectively.
6, double tube frame according to claim 2 is characterized in that: described stub locating connector (3) comprises upper and lower stub fixing steel plate (32), (32 ') and left and right front shock absorber (331), (331 '); Stub respectively is equipped with at two ends, and that bearing (33), the stub fixing steel plate (32) of (33 '), (32 ') are installed is parallel and laterally be fixed in down preceding bottom of pipe (2) and front frame (12) bottom respectively, hinged with the front shock absorber axle (332) that is installed in pipe (1) front end on left and right front shock absorber (331), (331 '), its lower end and stub fixing steel plate (32) outside are hinged.
7, double tube frame according to claim 2 is characterized in that: described axle drive shaft erecting device (4) comprises two transverse connecting pipes arranged side by side (441), (441 ') and left and right connecting strap (442), (442 '); Bearing (44), (44 ') are equipped with in the middle part of left and right connecting strap (442), (442 '), transverse connecting pipe (441), (441 ') on even keel are fixed in down pipe (2) rear end, perhaps be arranged above and below and be fixed in rear profile tube (5) lower end and following pipe (2) rear end respectively, its two ends and left and right connecting strap (442), (442 ') are affixed.
8, double tube frame according to claim 2 is characterized in that: described axle drive shaft erecting device (4) comprises front end guide plate with well (461), guide plate anchor shaft (463), transverse connecting pipe (441), (441 ') and left and right connecting strap (442), (442 '); Guide plate (461) front end is hinged by guide plate anchor shaft (463) and medium-height trestle (11), rear end and two transverse connecting pipes arranged side by side (441), the middle part of (441 ') is affixed, transverse connecting pipe (441), (441 ') two ends with bearing (44) is housed, the left side of (44 '), right connecting strap (442), (442 ') is affixed, a left side, right back bumper (43), on (43 '), the lower end respectively with rear shock absorber on, lower shaft (45), (45 ') is hinged with side, and on the rear shock absorber, lower shaft (45), (45 ') then is installed in pipe (1) rear end and guide plate (461) back upside respectively.
9, double tube frame according to claim 2 is characterized in that: described axle drive shaft erecting device (4) comprises guide plate (461), Load Regulation balladeur train (472), balladeur train governing screw (473); Described guide plate (461) is a straight plate, perhaps the front end with straight plate is rolled into half rolling, guide plate (461) front end is with pipe (2) is affixed down, rear end and two transverse connecting pipes arranged side by side (441), the middle part of (441 ') is affixed, transverse connecting pipe (441), (441 ') two ends with bearing (44) is housed, the left side of (44 '), right connecting strap (442), (442 ') is affixed, the Load Regulation balladeur train (472) that is installed on guide plate (461) middle part can be along slip before and after pipe (2) and the guide plate (461) down, and balladeur train governing screw (473) cooperates with balladeur train (472) balladeur train (472) is fixed on down on the appropriate location of pipe (2).
10, double tube frame according to claim 2 is characterized in that: described axle drive shaft erecting device (4) comprises flute profile guide plate (491), guide plate anchor shaft (463), left and right rear shock absorber (43), (43 ') and rear shock absorber axle (45); Flute profile guide plate (491) rear end dual-side is preset with 3 circular holes, the wherein circular hole of both sides and transverse connecting pipe (441), (441 ') cooperates, middle circular hole cooperates with axle drive shaft (40) and is slightly larger than axle drive shaft (40), flute profile guide plate (491) front end is hinged by guide plate anchor shaft (463) and medium-height trestle (11), transverse connecting pipe (441), (441 ') inserts and is fixed in the default circular hole in flute profile guide plate (491) rear end, its two ends respectively with bearing (44) is housed, the connecting strap of (44 ') (442), (442 ') is affixed, a left side, right back bumper (43), on (43 '), the lower end is hinged with the both sides of rear shock absorber axle (45) that is installed in pipe (1) and transverse connecting pipe (441) respectively.
11, double tube frame according to claim 2 is characterized in that: axis and brake axle erecting frame (6) are equipped with in described pipe (2) down middle part, and axis (61) and brake axle (62) are housed on axis and the brake axle erecting frame (6).
12, a kind of miniature four-wheel vehicle, comprise vehicle frame, a pair of front-wheel and pair of rear wheels, actuating device, steering hardware, brake gear and seat, it is characterized in that: described vehicle frame comprise two left and right side by side, and by interconnective pipe (1), pipe (2) and the rear profile tube (5) down gone up of transverse tube (8), wherein go up in the pipe (1), the rear portion is linear portion, its front portion is bowed downward to arc section, following pipe (2) is a linear portion, its front end and last pipe (1) arc section join, and the rear end joins by rear profile tube (5) and last pipe (1) rear end; Stub locating connector (3) and deflecting bar registration arm (7) are equipped with in described vehicle frame front portion, and axle drive shaft erecting device (4) is equipped with at the rear portion, and front frame (12) is equipped with in the preceding bottom of last pipe (1) arc section, and front frame (12) rear end extends upward with following pipe (2) and joins;
Described going up between pipe (1) and the following pipe (2) is equipped with medium-height trestle (11), and medium-height trestle (11) is the straight plate in 1-4 piece band-slot cross section, perhaps organizes left and right two-tube composition the arranged side by side by 1-4; Described front frame (12) is converted into by steel plate, perhaps left and rightly forms side by side and by the two-tube bending of transverse tube (8) bonded assembly by two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071860 CN2711018Y (en) | 2004-07-26 | 2004-07-26 | Double-tube type frame, and miniature four-wheeled vehicle therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420071860 CN2711018Y (en) | 2004-07-26 | 2004-07-26 | Double-tube type frame, and miniature four-wheeled vehicle therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2711018Y true CN2711018Y (en) | 2005-07-20 |
Family
ID=34874022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420071860 Expired - Fee Related CN2711018Y (en) | 2004-07-26 | 2004-07-26 | Double-tube type frame, and miniature four-wheeled vehicle therewith |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2711018Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151208A (en) * | 2015-08-31 | 2015-12-16 | 太仓市中峰模具塑胶有限公司 | Suspension system for electric scooter |
-
2004
- 2004-07-26 CN CN 200420071860 patent/CN2711018Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151208A (en) * | 2015-08-31 | 2015-12-16 | 太仓市中峰模具塑胶有限公司 | Suspension system for electric scooter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |