CN2135520Y

CN2135520Y - Speed-changeable tricycle

Info

Publication number: CN2135520Y
Application number: CN 92214104
Authority: CN
Inventors: 丁祖民
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-01-24
Filing date: 1992-01-24
Publication date: 1993-06-09
Anticipated expiration: 2002-01-24

Abstract

The utility model provides a speed-changeable tricycle, which is characterized in that a variable-speed transmission is provided; the variable-speed transmission is composed of a variable-speed adjustor, a shifting yoke mechanism connected with the variable-speed adjustor, and a wheel gear set controlled by the shifting yoke mechanism; except the function of the existing tricycle, a passenger transport or a dual-purpose passenger and load tricycles can also be modified according to different use technology. The utility model has wide purpose.

Description

Speed-changeable tricycle

The utility model relates to a kind of improved three-wheel vehicle, particularly be a kind of speed change three-wheel vehicle.

Known manual tricycle speed under steam is constant, is applicable to city, region of no relief, and is not suitable for travelling on hills, mountain area and field, the rural area road.

Given this, the purpose of this utility model is for a kind of speed change three-wheel vehicle that not only is applicable to city, region of no relief but also can be applicable to mountain area, hills and field, rural area road driving is provided.

The utility model is the improvement on known manual tricycle, comprise vehicle body frame, braking mechanism, it is characterized in that in the utility model, also comprising variable-speed drive, variable-speed drive by the speed change regulating control, with speed change regulating control bonded assembly shifting fork mechanism, be subjected to the chain wheel set of shifting fork mechanism control to form (referring to Fig. 1-6).

Above-mentioned speed change regulating control comprises the fixed mount (6) that is contained on the vehicle body frame, with fixed mount (6) bonded assembly wire geometrical clamp, joystick, wire one end is connected with joystick and can moves (referring to Fig. 3 with the rotation of joystick, Fig. 4), shifting fork mechanism comprises and vehicle body frame bonded assembly fixed mount (16), be contained in the shift fork translation rocking arm on the fixed mount (16), with shift fork translation rocking arm lower end bonded assembly shift fork, in shift fork translation rocking arm, torsion spring is housed, the wire other end is contained on the shift fork translation rocking arm (referring to Fig. 5), chain wheel set is by being loaded on the rear axle and being positioned at the sprocket wheel on the antero posterior axis line of centres and being loaded on the front axle and at least two sprocket wheels that be positioned at the antero posterior axis line of centres are formed, the front and back sprocket wheel connects (referring to Fig. 6) by chain respectively, shift fork can be pitched on chain, move joystick during speed change to the gear of needs, by wire with transmission of power on the shifting fork mechanism, make the shift fork sway, promote the gear (on the sprocket wheel) that chain moves on to be needed, reach the purpose of shift speed change, when will be when low gear changes to high speed gear, the pulling joystick, shift fork promotes chain by last high speed gear chain drum, sprocket drives the sliding whole sprocket wheel of chain, finish the gearshift procedure from the low gear to the high speed gear, then by the friction lock joystick, make the shift fork location, the chain sprocket wheel that can not slip away, when when high speed gear changes to low gear, joystick is shifted onto on the required low gear, loosen the pulling force of steel wire to shift fork, shift fork is moved toward low gear (minor sprocket), drive chain and break away from hinge wheel and the sliding minor sprocket of going up, finish by being changed to low-tach gearshift procedure at a high speed, lever locked, fixedly shifting fork mechanism.

In the utility model, be provided with tensioning guide piece (28), comprise and vehicle body frame bonded assembly permanent seat, the fixed mount (30) that contains adjustment hole, the break-in wheel shaft is through and on break-in wheel and the permanent seat break-in wheel is connected with permanent seat and can rotates, in the adjustment hole on fixed mount (30) adjusting screw(rod) is housed, setting nut is equipped with at the adjusting screw(rod) two ends, tension wheel guided way one end is contained on the permanent seat and the other end is contained on the adjusting screw(rod) and can regulates, be contained on the tension wheel on the guided way spring is housed, the other end of spring is contained on the adjusting screw(rod), and the chain that is contained on the chain wheel set is contained in tension wheel and break-in wheel last (referring to Fig. 7-12) successively.The tension wheel guided way leads to tension wheel, and tension wheel is free to slide on guided way, and chain is not loose when keeping chain from hinge wheel to minor sprocket; Setting nut can be adjusted the pulling force of tensioning spring to tension wheel, guarantees chain degree of tightness appropriateness; Setting nut carries out stretch-draw by screw rod to guided way makes slide rail have corresponding stiffness and straightness accuracy, guarantee that tension wheel is free to slide on guided way, the effect of spring is the control tension wheel, chain is remained during speed governing when the conversion sprocket wheel to be taken up, its principle of work is: spring is all the time to pulling force of tension wheel, when chain when hinge wheel slides into minor sprocket, chain slack, this moment, spring shrank, the tension chain; When chain extends under the pulling force of spring at chain when minor sprocket slides into hinge wheel, the tension chain.

Above-mentioned tensioning guide piece also can adopt another kind of form, be tensioning guide piece (43), tensioning guide piece (43) comprises the bearing affixed with vehicle body frame (44), tensioner arm, the break-in wheel, the break-in wheel shaft is through successively and on tensioner arm one end and break-in wheel and the bearing tensioner arm is connected with bearing with the break-in wheel and tensioner arm and break-in wheel rotate along the break-in wheel shaft, tension wheel is contained on the tensioner arm other end by tension wheel shaft and can rotates, torsion spring one end is connected with the break-in wheel shaft and the other end is connected on the tensioner arm, the chain that is contained on the sprocket wheel is contained on tension wheel and the break-in wheel successively (referring to Figure 13, Figure 14), automatically regulating chain degree of tightness under the torsion spring application force.

Also comprise post brake device in the above-mentioned braking mechanism, comprise the brake steel wheel that is contained on the rear axle, be fixed on the brake lever permanent seat on the vehicle body frame, be connected the brake lever that also can rotate with permanent seat by brake axle, back braking adhesive tape, be contained in the pull back spring on the brake axle, back braking adhesive tape places outer its two ends of brake steel wheel excircle to be connected on the brake lever, brake tension wire one end in the braking mechanism is connected on the brake lever and an end is equipped with brake lever setting nut (referring to Figure 16), glancing impact, clutch the brake operation handgrip, by the braking wire power is delivered to brake lever, drive the braking adhesive tape and hold brake steel wheel generation braking tightly, decontrol the brake manipulating handgrip when travelling, brake lever resets under the pull back spring effect, the braking adhesive tape comes loose, eliminate braking force, the degree of tightness of brake lever setting nut scalable tension wire.

Be provided with the angle adjustable steering wheel arrangement in the above-mentioned three-wheel vehicle, comprise and the cloudy simple bonded assembly universal-joint of vehicle body frame, one end and universal-joint bonded assembly bearing circle sleeve pipe, one end can in the bearing circle sleeve pipe, slide and the bearing circle that available fastener tightens up of bearing circle sleeve pipe of packing into, on bearing circle sleeve pipe and pairing vehicle body frame, be connected with the adjusting angle support respectively by connector, the adjusting angle rack sleeve, the adjusting angle support, the adjusting angle rack sleeve is respectively around its connector swing, adjusting angle support one end stretches in the adjusting angle rack sleeve and can slide and available adjustment angle bracket fastener tightens up (referring to Figure 20-Figure 24), when bearing circle rotates, drive front-wheel by universal-joint and rotate the change vehicle heading; When transferring steering wheel angle, unclamp fastener on the adjusting angle support and raise or force down bearing circle to needing tightening fastener parts fixed position behind the position to reach the purpose of adjusting angle; Thereby unclamping fastener on the bearing circle sleeve pipe in the time will regulating bearing circle length regulates bearing circle tightening fastener parts after the length of needs and finishes the work of bearing circle length adjustment.

For being rotated, bearing circle make bearing circle that displacement does not take place when working freely simultaneously again, on the bearing circle sleeve pipe, be positioned at the bearing nest that be equipped with rolling bearing and rolling bearing can not be slided up and down at adjusting angle support place, because just transmitting, the function of above-mentioned universal-joint rotates and the effect of contraction of bearing circle axis direction and the right swing of facing left can not retrain to direction, so the adjusting angle support, makes bearing circle can not deflect (referring to Figure 22-24) for falling " U " shape.

In the utility model, also be provided with adjustable inclination angle and height seat, comprise the adjusting outer tube that an end also can rotate and can fix by connector and vehicle body frame bonded assembly, one end stretches into regulates outer tube and slidable and can be fixed tightly in the adjustable pipe of regulating on the outer tube by fastener, be connected on the adjustable pipe other end and the angle adjustable seat energy rotational fixation, be positioned at the chair angle adjusting support that an end of regulating under the outer tube is connected with vehicle body frame by fastener and can rotates, on adjusting outer tube and chair angle adjusting support, be provided with cooresponding adjustment hole, connector is through successively in the hole on seat outer tube and the adjusting angle support and regulates chair angle (referring to Figure 23-26), and is comfortable.

Vehicle body frame in the utility model can be formed (referring to Figure 27, Figure 28) by front vehicle frame with by vehicle frame behind front vehicle frame and the front vehicle frame bonded assembly, adopts modular vehicle frame, and is detachable, do not take up space when going up convenient and rotation downstairs, easy to carry.

Also be provided with shock attenuation unit in the utility model, comprise that two ends are contained in the column spring steel plate on rear axle and the vehicle body frame respectively, place spring steel plate and with vehicle body frame and rear axle bonded assembly spring perch, recoil spring places on the spring perch and two ends are connected (referring to Figure 30, Figure 31) respectively with spring perch.

The utility model has improved service efficiency owing to increased variable-speed drive, except that the function with existing three-wheel vehicle, still can repack passenger traffic or visitor's loan dual-purpose tricycle according to different operatings needs into.Purposes is wide, not only is applicable to city, region of no relief but also is applicable to mountain area, hills and field, rural area road.

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:

Fig. 1: the utility model structural representation

The birds-eye view of Fig. 2: Fig. 1

Fig. 3: speed change controller structure scheme drawing

The A of Fig. 4: Fig. 3 is to view

Fig. 5: shifting fork mechanism scheme drawing

Fig. 6: sprocket wheel in the chain wheel set and front axle assembling relationship figure

Fig. 7: tensioning guide piece (28) structural representation

The B-B section-drawing of Fig. 8: Fig. 7

The I portion enlarged drawing of Fig. 9: Fig. 7

The C-C cutaway view of Figure 10: Fig. 9

The II portion enlarged drawing of Figure 11: Fig. 7

The D of Figure 12: Figure 11 is to view

Figure 13: the structural representation of tensioning guide piece (43)

The E of Figure 14: Figure 13 is to view

Figure 15: post brake device structural representation

Figure 16: the utility model headlight, taillight interconnecting wiring diagram

Figure 17: the utility model (complete hiding formula rain cover and vibration damping speed change three-wheel vehicle) overall structure scheme drawing

The birds-eye view of Figure 18: Figure 17

Figure 19: the utility model (the horizontal three-wheel vehicle of complete hiding formula rain cover and damping) overall construction drawing

The birds-eye view of Figure 20: Figure 19

Figure 21: angle adjustable steering wheel arrangement scheme drawing

The F of Figure 22: Figure 21 is to view

The G-G cutaway view of Figure 23: Figure 21

Figure 24: angle adjustable inclination angle and height seat structural representation

The H of Figure 25: Figure 24 is to view

Figure 26: unitized body shelf structure scheme drawing

The J of Figure 27: Figure 26 is to view

Figure 28: the III portion enlarged drawing among Figure 26

Figure 29: damping device structure scheme drawing

The left view of Figure 30: Figure 29

Figure 31: multi-functional guarantor's case is borrowed the box structure scheme drawing

The K-K section-drawing of Figure 32: Figure 31

Embodiment 1:

Fig. 1-Figure 17 has provided the structural representation of present embodiment 1.Present embodiment 1 comprises vehicle body frame 1, front-wheel 2, trailing wheel 3, variable-speed drive 4.Variable-speed drive 4 comprises speed change regulating control 127, shifting fork mechanism 128, chain wheel set 134, braking mechanism 51.

From Fig. 3, Fig. 4, can find out, clamping plate fixed mount 6 in the speed change regulating control is installed on the vehicle body frame 1 and support 7 is arranged, one end of wire 8 is contained in the wire geometrical clamp 10 that two groove dishes of band groove 9 form and an end compresses with steel wire

head pressing plate

11, and 11 whiles of steel wire head pressing plate also are connected with joystick 12.In the two sides of geometrical clamp 10 fricional washer 13 is arranged, center bolt 14 is through successively on fricional washer, geometrical clamp and the support and with nut geometrical clamp is fixed on the support 7.The other end of wire 8 is by being connected with Kong Eryu shifting fork mechanism on the outer tube head adapter plate 15 of fixed mount 6 bonded assemblys.

As can be seen from Figure 5, the fixed mount 16 in the shifting fork mechanism 6 is contained on the vehicle body frame 1 and can slides on vehicle body frame 1 and available bolt.Two arms of shift fork translation rocking arm 17 upper end is connected with fixed mount 16 by screw rod 18 respectively also can swing and its lower end is connected with shift fork 19, and shift fork 19 can contact with the sprocket wheel in the chain wheel set.Torsion spring 20 is on the screw rod 18 that is contained on the fixed mount 16 and two arm contact of its two ends and shift fork translation rocking arm 17, and the other end of wire 8 is connected on the screw rod 21 of shift fork translation rocking arm 17 lower ends.

Can find out from Fig. 2, Fig. 6, back sprocket wheel 22 in the chain wheel set is contained on the rear axle and is positioned on the position of the antero posterior axis line of centres, and preceding

sprocket wheel

23,24,25,26 is contained on the front axle and is positioned on the position of the antero posterior axis line of centres and can be connected with back sprocket wheel 22 by chain 27 respectively.

Can find out that from Fig. 1, Fig. 7-Figure 12 permanent seat 29 and fixed mount 30 in the tensioning guide piece 28 all are fixed on the vehicle body frame 1 with bolt and nut.Break-in wheel shaft 31 is through on permanent seat 29 and the break-in wheel 32 break-in wheel 32 is connected also and can rotates with permanent seat 29.The adjusting screw(rod) 34 of band bearing 33 is through in the adjustment hole of fixed mount 30 and setting nut 35 all is equipped with at two ends.Two tension wheel guided ways 36 of TOE stretch into respectively in the hole of the bearing 33 on the adjusting screw(rod) 34 and with fastening screw nut 37 lockings.Axle bed 41 backs that two tension wheel guided ways 36 pass the tension wheel shaft 39 that tension wheel 38 is housed on it respectively tighten up with permanent seat 29.Tension wheel 38 can slide on two tension wheel guided ways 36 at rotation and tension wheel axle bed 41 on the tension wheel shaft.Tensioning spring 40 1 ends are connected with tension wheel axle bed 41 and the other end is contained on the hook 42 on the bearing 33 of adjusting screw(rod) 34.The chain that is contained on the sprocket wheel is contained on tension wheel and the track adjusting wheel successively.

Figure 13, Figure 14 have provided another version of tensioning guide piece.Bearing 44 in the tensioning guide piece 43 is fixed on the vehicle body frame 1, and break-in wheel shaft 45 is through on bearing 44, tensioner arm 46 1 ends and the break-in wheel 47 break-in wheel 47, tensioner arm 46 are connected with bearing 44 also and can rotate along break-in wheel shaft 45.Tension wheel 48 is contained on tensioner arm 46 other ends and can rotates by tension wheel shaft 49, and torsion spring 50 1 ends are connected with break-in wheel shaft 45 and the other end contacts with tensioner arm 46.Chain in the chain wheel set is contained on break-in wheel, the track adjusting wheel successively.

Figure 15 is post brake device 52 structural representations in the braking mechanism 51.Brake steel wheel 53 is contained on the rear axle, brake lever permanent seat 54 is welded on the vehicle body frame 1, by brake lever axle 55 be connected with brake lever permanent seat 54 and an end of the brake lever 56 that can rotate on the pulling force steel wire 57 that brakes is housed, the degree of tightness of setting nut 58(with the adjusting steel wire is housed on the end of tension wire 57).Pull back spring 59 is housed on brake lever axle 55.The back braking adhesive tape 62 that contains brake adhesive tape 60 and wrap in the outer fixedly steel band 61 of brake adhesive tape 60 places outer and its two ends of brake steel wheel 53 to be connected on the brake lever 56.

At its front and rear headlight and taillight being housed respectively in the present embodiment uses for illumination.Figure 16 has provided interconnecting wiring diagram.

Embodiment 2:

Figure 17, Figure 18, Figure 26-Figure 28, Figure 29-Figure 32 have provided the enforcement illustration of embodiment 2 complete hiding formula rain covers and vibration damping speed change three-wheel vehicle.Present embodiment 2 is basic same with embodiment 1, and not existing together is that present embodiment 2 has also adopted the combination vehicle stature, the collapsible rain cover device of shock attenuation unit and complete hiding formula.

Find out that from Figure 26-Figure 29 combination vehicle stature 63 is connected by attachment bolt 66 with back vehicle frame 65 by front vehicle frame 64 and is fastening with nut 67.On front vehicle frame 64, be provided with the bearing circle that to incline and regulate support permanent seat 68.There is pedal spindle fixed bearing 69 back vehicle frame 65 front portions, left front top is provided with seat and connects pedestal 70 and angle adjustable connection pedestal 71, the two ends that the front end of two rear axle strut bars 72 is contained in the permanent seat 73 of back on the vehicle frame fix with nut 74 and unclamp nut after can swing up and down, the other end of rear axle strut bar 72 is contained on the rear axle.Rear axle strut bar 72 by screw thread and stretch in the strut bar sleeve 74 and retractable studdle 75 is formed, has clamp nut 76 in the joint of strut bar sleeve 74 and studdle 75 by strut bar sleeve 74 and an end.Rear axle squareness regulating control 77 is equipped with on both sides, rear portion at back vehicle frame 65.Rear axle squareness regulating control 77 comprise be contained in the back on the vehicle frame and mobilely have an adjusting bearing 79 that vehicle frame supports axis hole 78, captive nut 80 can be fixed on the vehicle frame of back regulating bearing 79.Vehicle frame pivot shaft 81 stretches into the vehicle frame of regulating bearing 79 in the vertical adjusting device 77 that is contained on the vehicle frame both sides, back and supports in the axis hole 78.

Figure 29, Figure 30 have provided the structural representation of shock attenuation unit 132.Bearing support 82 is housed on rear axle, adjusting bearing 79 lower ends at rear axle squareness regulating control 77 are welded with spring and bracing frame engaging lug 83, and column spring steel plate 84

places engaging lug

83 and 82 of bearing supports and two ends to be connected on bearing support 82 and the engaging lug 83 by bolt and nut.By bolt and nut connection spring perch 85 is arranged respectively on engaging lug 83 and bearing support 82, recoil spring 86 places on the spring perch 85 its two ends and is connected with spring perch 85.Also be provided with rear axle strut bar engaging lug 87 on the bearing support 82, the other end of rear axle strut bar 72 is connected on the rear axle strut bar engaging lug 87 by connector.

The main effect of rear axle strut bar 72 be the constraint trailing wheel in when work owing to be that spring is connected with vehicle body frame wheel is moved forward and backward, avoid the rear axis line not become squareness and make the force of rolling friction increase with the vehicle body axial line; Because rear axle strut bar 72 is oblique pulling force to rear axle, has overcome spring and connected the cross motion that rear axle is produced; Also can play simultaneously the transmission of trailing wheel to vehicle drive force, i.e. the propulsive effort of trailing wheel generation is delivered to front-wheel by strut bar and promotes the front-wheel rolling, moreover also can play the regulatory function to the rear axle squareness.As long as when rear axle axial line and vehicle body axial line out of plumb or chain unclamp clamp nut when long or too short and just can regulate the length of strut bar with regard to scalable chain degree of tightness.In control process, produced contradiction, but the back vehicle frame has overcome this contradiction with the connection mode (the movable connection) of the other end of inclined support bar owing to elongating or shortening of rear axle strut bar causes hind axle and inclined support bar attachment point to open or shrink along axis direction.Because spring is up-down vibration ceaselessly in the process of moving, inclined support bar is that the center is along with spring swings up and down together with permanent seat 73 also.

As can be seen from Figure 17, adopted totally-enclosed rain cover in the present embodiment passenger-cargo 88, comprised the undercut 89 that is arranged on the container, foldable support 90.Support 90 is made up of several cold-drawn wires, and the one end is connected passenger-cargo and goes up and can open or draw in undercut 89 along rotating shaft 91 by being contained on the undercut 89 rotating shaft 91.The rain cover 128 that can actuate with support 90 is housed on support 90.

Rain cover 128 adopts light waterproof material (as transparent plastic cloth) to make.Be placed on hidden not affecting the appearance in the undercut during gathering; When raining or when sunny, rain cover pulled out in undercut, with steerman, take the people or goods hides.And make during with fluffy pull-up and wholely form a streamline contour outward, can play the resistance that protective action can reduce air again like this.Load onto transparent plastic cloth in steerman sight line the place ahead and do not influence sight line.

Embodiment 3:

Figure 19-20 provides the structure of a present embodiment 3 and implements illustration.Present embodiment 3 basic with embodiment 2 with, not existing together is to have adopted angle adjustable steering wheel arrangement and angle adjustable inclination angle and height seat to reach in the present embodiment shelf are improved.

Figure 21-Figure 23 has provided the structural representation of angle adjustable steering wheel arrangement 133.Universal-joint 92 is contained in the cloudy letter of the front vehicle frame 64 of combination vehicle stature 63 and goes up and tighten up with binding bolt.Bearing circle sleeve pipe 93 1 ends are contained on the universal-joint and use bolt, bearing circle 94 1 ends to penetrate in the bearing circle sleeve pipe 93 and can move up and down and tighten up with binding bolt 95.Being shaped as of adjusting angle support 96 " U " shape is connected with bearing circle sleeve pipe 93 and the other end inserts in the two adjusting angle rack sleeves 97 and available binding bolt 98 tightens up by the tie bolt nut.Two adjusting angle rack sleeves, 97 other ends are regulated on the support permanent seat 68 by inclined to the bearing circle that standing screw 99 is fixed on the front vehicle frame 64 respectively.Be positioned at the bearing nest 101 that be equipped with rolling bearing 100 and rolling bearing can not be slided up and down at adjusting angle support place at bearing circle sleeve pipe 97.

Figure 24, Figure 25 have provided angle adjustable inclination angle and height seat 134 structural representations.Regulating outer tube 102 connects on the pedestal 70 and can will regulate outer tube around screw rod 103 rotations and with nut by screw rod 103 and seat on the vehicle frame 65 of back and be fastened on the seat connection pedestal 70.Adjustable pipe 104 1 ends stretch in the adjusting outer tube 102 and can slide in the adjusting outer tube and with lock bolt 105 adjustable pipe 104 and adjusting outer tube 102 are close to.Adjusting bolt 106 is through on 107 times end supports of barbed chair and adjustable pipe 104 and the seat cushion adjustment disk 108 and uses nut locking.On 107 times end supports of barbed chair, lock hole 109 is arranged, be provided with the lock hole 110 of 109 pairs of several or dozens of and lock holes on seat cushion adjustment disk 108, lock(ing) bolt 111 is through successively in lock hole 109 and the lock hole 110 and with nut the seat cushion adjustment disk is locked on the barbed chair.Barbed chair 107 comprises seat cushion 112 and backrest 113, and attachment bolt 114 is through in the support 116 of the support 115 on cushion top and backrest bottom and the backrest angle adjustment disk 117 and puts on nut.Lock hole 118 is arranged on cushion bracket 115, on the backrest angle adjustment disk 117 with lock hole 118 relative positions on several (or ten several) lock holes 119 are arranged, lock(ing) bolt 120 is through in lock hole 118 and the lock hole 119 and puts on nut the backrest seat is locked.Several (or ten several) adjustment holes 121 are arranged regulating outer tube 102 bottoms.Chair angle is regulated support 122 and is comprised triangular support 123 and the adjusting bolt 124 that is contained on the triangular support 123.Regulate on the bolt 124 setting nut is housed.It is fluted to regulate bolt 124 tops, and portable bar 125 1 ends stretch in the groove and with bolt 126 and are through on adjusting bolt 124 and the portable bar 125, and portable bar 125 can and can be locked on the bolt 126 along bolt 126 swings.Triangular support 123 lower ends are regulated on the pedestal 71 by the angle adjustable that bolt is contained on the vehicle frame of back.At the portable bar other end connection holes is arranged.Attachment bolt 127 be through seat angular adjustment support portable bar connection holes and regulate and in the adjustment hole 121 of outer tube 102 bottoms chair angle to be regulated support 123 and be connected with adjusting outer tube 102.

When regulating backrest angle, unclamp lock(ing) bolt 120, rotate backrest, again lock(ing) bolt 120 is locked in the alignment of one of lock hole 119 on lock hole on the cushion bracket 115 118 and the adjustment disk 117 roughly in the angle of needs.

In the time will regulating chair angle, at first unclamp on the angle adjustable adjusting pedestal 71 that is contained on the vehicle frame of back and regulate the bolt rotary seat of support 122 lower ends to the angle that needs with chair angle.Angular adjustment support 122 also rotates thereupon, is alignd with the hole on the seat support in the hole on the angular adjustment support, tights a bolt and finishes the adjusting of chair angle.Regulate when chair angle and angular adjustment support screw 124 can be stretched out when excessive, increase stent length.

In the time will regulating chair height, only need unclamp the lock bolt of regulating on the outer tube 105 is scalable.

Container in the present embodiment 3 is the improvement on the basis of the shelf in embodiment 2.Shelf basic and among the embodiment 2 are identical.Do not exist together be in passenger-cargo 88 by rotating shaft 129 and casing bonded assembly case lid, on case lid, seat 131 is installed by rotating shaft 130, backrest is housed on case lid.Casing, case lid adopt glass-reinforced plastic material to make.Whole box body forms a loading and takes advantage of people's instrument.When manned, case lid is opened, put down seat cushion, setting up back rest supports becomes seat, and when rainy, back of seat hinders rain cover, as long as seat is changed a direction.Undercut can be set on the casing in the present embodiment 3 also undercut can be set.On container, built-in lock can be set.

Claims

1, speed change three-wheel vehicle comprises vehicle body frame, braking mechanism, it is characterized in that described three-wheel vehicle also comprises variable-speed drive, variable-speed drive by the speed change regulating control, with speed change regulating control bonded assembly shifting fork mechanism, formed by the chain wheel set of shifting fork mechanism control.

2, speed change three-wheel vehicle as claimed in claim 1, it is characterized in that the speed change regulating control in the described variable-speed drive comprises the fixed mount (6) that is contained on the vehicle body frame, with fixed mount (6) bonded assembly wire geometrical clamp, joystick, wire one end is connected with joystick and can moves with the rotation of joystick, shifting fork mechanism comprises and vehicle body frame bonded assembly fixed mount (16), be contained in the shift fork translation rocking arm on the fixed mount (16), with shift fork translation rocking arm lower end bonded assembly shift fork, in shift fork translation rocking arm, torsion spring is housed, the wire other end is contained on the shift fork translation rocking arm, chain wheel set is positioned at the sprocket wheel of position on the antero posterior axis line of centres and is loaded on the front axle and at least two sprocket wheels that be positioned at the antero posterior axis line of centres are formed by being loaded on rear axle, and the front and back sprocket wheel connects by chain respectively.

3, speed change three-wheel vehicle as claimed in claim 1 or 2, it is characterized in that being provided with in the described three-wheel vehicle tensioning guide piece (28), tensioning guide piece (28) comprises and vehicle body frame bonded assembly permanent seat, the fixed mount that contains adjustment hole, the break-in wheel shaft passes the break-in wheel and permanent seat is contained in the break-in wheel on the permanent seat and the break-in wheel can rotate, in the adjustment hole on fixed mount adjusting screw(rod) is housed, setting nut is equipped with at the adjusting screw(rod) two ends, tension wheel guided way one end is contained on the permanent seat and the other end is contained on the adjusting screw(rod) and can regulates, be contained on the tension wheel on the guided way spring is housed, the other end of spring is contained on the adjusting screw(rod), and the chain that is contained on the sprocket wheel on the chain wheel set is contained on tension wheel and the break-in wheel successively.

4, speed change three-wheel vehicle as claimed in claim 1 or 2, it is characterized in that being provided with in the described three-wheel vehicle tensioning guide piece (43), tensioning guide piece (43) comprises the bearing that is contained on the vehicle body frame, tensioner arm, the break-in wheel, tension wheel, the break-in wheel shaft is through successively and on tensioner arm one end and break-in wheel and the bearing tensioner arm is connected with bearing with the break-in wheel and tensioner arm and break-in wheel can rotate along the break-in wheel shaft, tension wheel is contained on the tensioner arm other end by tension wheel shaft and can rotates, torsion spring one end is connected with the break-in wheel shaft and the other end is connected on the tensioner arm, and the chain that is contained on the sprocket wheel is contained on tension wheel and the break-in wheel successively.

5, speed change three-wheel vehicle as claimed in claim 1 or 2, it is characterized in that also comprising in the described braking mechanism post brake device, the brake lever that comprises the brake steel wheel that is contained on the rear axle, is fixed on brake lever permanent seat on the vehicle body frame, is connected with permanent seat and can rotates by brake axle, the back is braked adhesive tape, is contained in the torsion spring on the brake axle, back braking adhesive tape places outer its two ends of brake steel wheel excircle to be connected on the brake lever, and brake tension wire one end in the braking mechanism is connected on the brake lever and the brake lever setting nut is housed on it.

6, speed change three-wheel vehicle as claimed in claim 1 or 2, it is characterized in that being provided with in the described three-wheel vehicle angle adjustable steering wheel arrangement, comprise and the cloudy tube of vehicle body frame bonded assembly universal-joint, one end and universal-joint bonded assembly bearing circle sleeve pipe, one end can in the bearing circle sleeve pipe, slide and the bearing circle that available fastener tightens up of bearing circle sleeve pipe of packing into, on bearing circle sleeve pipe and pairing vehicle body frame, be connected with the adjusting angle support respectively by connector, the adjusting angle rack sleeve, the adjusting angle support, the adjusting angle rack sleeve is respectively around the swing of its connector, and adjusting angle support one end stretches in the adjusting angle rack sleeve and can slide also that available adjustment angle bracket fastener tightens up.

7, speed change three-wheel vehicle as claimed in claim 6 is characterized in that being positioned at the bearing nest that be equipped with rolling bearing and rolling bearing can not be slided up and down at adjusting angle support place on the bearing circle sleeve pipe, and the adjusting angle support is shaped as down " U " shape.

8, speed change three-wheel vehicle as claimed in claim 1 or 2, it is characterized in that being provided with in the described three-wheel vehicle adjustable inclination angle and height seat, comprise the adjusting outer tube that an end also can rotate and can fix by connector and vehicle body frame bonded assembly, one end stretches into regulates outer tube and slidable and can be fixed tightly in the adjustable pipe of regulating on the outer tube by fastener, be connected on the adjustable pipe other end and the angle adjustable seat energy rotational fixation, be positioned at the chair angle adjusting support that an end of regulating under the outer tube is connected with vehicle body frame by fastener and can rotates, regulate on the support and be provided with cooresponding adjustment hole regulating outer tube and chair angle, connector can be through successively in the hole on seat outer tube and the adjusting angle support and regulate chair angle.

9, speed change three-wheel vehicle as claimed in claim 1 or 2 is characterized in that described vehicle body frame forms by front vehicle frame with by vehicle frame behind connector and the front vehicle frame bonded assembly.

10, speed change three-wheel vehicle as claimed in claim 1 or 2, it is characterized in that being provided with shock attenuation unit in the described three-wheel vehicle, comprise that two ends are contained in the column spring steel plate on rear axle and the vehicle body frame respectively, place spring steel plate and with vehicle body frame and rear axle bonded assembly spring perch, recoil spring places on the spring perch and two ends are connected with spring perch respectively.