CN102815356A - Trolley - Google Patents
Trolley Download PDFInfo
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- CN102815356A CN102815356A CN2012103359515A CN201210335951A CN102815356A CN 102815356 A CN102815356 A CN 102815356A CN 2012103359515 A CN2012103359515 A CN 2012103359515A CN 201210335951 A CN201210335951 A CN 201210335951A CN 102815356 A CN102815356 A CN 102815356A
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- back pulley
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Abstract
The invention relates to a trolley for entertainment. The trolley comprises a seat frame, a headstock and a connecting piece, wherein the back end of the connecting piece is connected with the seat frame; the front end of the connecting piece is hinged with the headstock; left and right sides of the headstock are respectively provided with pedal parts; the lower end of the headstock is provided with M front pulley assemblies; the lower end of the seat frame is provided with N rear pulley assemblies, wherein the sum of M and N is more than or equal to 3; each front pulley assembly comprises a front pulley and a front pulley bracket; the front pulley bracket is connected with the front pulley; the front pulley bracket is connected with the headstock; each rear pulley assembly comprises a rear pulley and a rear pulley bracket; the rear pulley bracket is fixedly connected with the rear pulley; the rear pulley bracket is connected with the seat frame; the front pulley bracket or/and the rear pulley bracket is/are obliquely arranged; and when N is more than 1, the lower end of the seat frame is provided with a tail swinging device. The trolley is driven by a sitting posture so that the trolley is very comfortable to use; and meanwhile, the tail swinging device is arranged between the seat frame and the rear pulley assemblies, so that the deflection angle of the rear pulleys is reduced, and the trolley is good for steering and keeping the trolley balance.
Description
Technical field
The invention belongs to driving skills art field, specifically, relate to a kind of dolly that is used for amusement.
Background technology
At present carriage for children is main with child's tricycle mostly, when child's tricycle is used, needs children to step on front running board, uses difficultlyer, causes children tired easily; And children all adopt the mode ride in use, make thigh and vehicle seat constantly rub, and vehicle seat pushes lower body, and health is diminished.In addition; Child's tricycle adopts the back that the form of two wheels is set mostly; And the support of next two wheels is to be fixed in vehicle body, and vehicle body rotates relatively, so plane, trailing wheel place is parallel with the extending direction of vehicle body all the time; Child's tricycle unusual inconvenience when turning like this, it is dumb to turn.
Summary of the invention
The objective of the invention is to solve the deficiency of prior art, a kind of dolly is provided, this dolly changes the mode of riding, and is seated and just can drives, and is easy to use, turn flexibly, and helps healthy.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of dolly comprises mounting, headstock, attaching parts, and the rear end of said attaching parts is connected with mounting; The front end and the headstock of attaching parts are hinged, and headstock is the attaching parts left-right rotation relatively, and the left and right sides of headstock is respectively equipped with pedal position; The lower end of headstock is provided with M front wheel assembly, and the lower end of said mounting is provided with N back pulley assembly, wherein M+N >=3; Said front wheel assembly comprises front wheel and front wheel support; The lower end of front wheel support is connected with the rotating shaft of front wheel, and the upper end of front wheel support is connected with the lower end of headstock, and said back pulley assembly comprises back pulley and back pulley support; Captive joint with the rotating shaft of back pulley in the lower end of back pulley support, the upper end of back pulley support is connected with the lower end of mounting; The front wheel support is or/and the setting of back pulley riding; As N>1 the time, the lower end of said mounting is provided with the device of wagging the tail that auxiliary back pulley is turned.
As preferably, the said device of wagging the tail is the Flexible Connector with the ability of resiling, and Flexible Connector one end is connected with mounting, and the other end is connected with the back pulley support.
As preferably; The said device of wagging the tail comprises dead axle, reset sleeve and elastic component; Dead axle is connected with the lower end of mounting, and reset sleeve is placed in outside the dead axle and captive joint with the back pulley support in the side of reset sleeve, and said elastic component is arranged in the reset sleeve; One end of elastic component is connected with reset sleeve, and the other end of elastic component is connected with dead axle or mounting.
As preferably, the lower end of said mounting is provided with the U-shaped plate, and the two ends of said dead axle are connected with the two ends of U-shaped plate respectively, and dead axle is arranged with bearing outward, and reset sleeve is positioned at the middle part of U-shaped plate, and reset sleeve and bearing socket.
As preferably: said elastic component is a torsion spring, and an end of reset sleeve is provided with breach in the side near the U-shaped plate; The middle part of breach is provided with projection; Torsion spring is arranged in this end of reset sleeve, and the both ends of torsion spring stretch out outside the reset sleeve through breach, and the two-end part of torsion spring is in the both sides of projection; Said U-shaped plate is provided with the locating piece that cooperates with projection, and locating piece is between the both ends of torsion spring.
As preferably, the said device of wagging the tail also comprises end cap and fixed block, and the middle part of said end cap has the through hole that matches with dead axle; End cap is arranged at a side of reset sleeve and is positioned at the U-shaped plate, and the medial surface of end cap is provided with spacing block set, and said elastic component is a torsion spring; Torsion spring is positioned at end cap; And the two ends of torsion spring lay respectively at the both sides of spacing block set, and the end face of said reset sleeve and end cap contact is connected with an end of fixed block, and the other end of fixed block stretches into end cap and between the two ends of torsion spring; The side plate and the end cap of said U-shaped plate are equipped with locking hole, are provided with latch in the locking hole.
As preferably; The lower end of said mounting is installed with the U-shaped plate; The said device of wagging the tail comprises reset sleeve, dead axle, retracing spring, regulating ring, lower collar, ball and the last collar of captiveing joint with the back pulley support; The middle part of said regulating ring is provided with the axis hole that matches with dead axle, and the bottom of said reset sleeve is provided with negative thread; Said middle part of going up the upper surface of the collar extends upward out a coaxial upper bush; The upper end of upper bush is provided with connecting portion; The said upward collar, lower collar, retracing spring, regulating ring are placed in the reset sleeve successively from top to bottom; Said regulating ring is threaded with reset sleeve, and the two ends of retracing spring offset with lower collar and regulating ring respectively, and the upper surface of said lower collar is provided with a top-surface camber groove at least and is provided with a lower surface camber groove at least or/and go up the lower surface of the collar; Said top-surface camber groove and lower surface camber groove are the little curved surface groove of the big both sides of the intermediate depth degree of depth, and said ball is positioned at the curved surface groove; The side of said reset sleeve has through hole, and the side of said lower collar has the breach that through hole communicates, and the said device of wagging the tail also comprises pipe link and connecting element, and an end of pipe link passes said through hole and inserts in the breach; The epipleural of said U-shaped plate is provided with connecting bore; The said connecting portion of going up the last sleeve pipe of the collar insert said connecting bore and with the connecting bore socket, the upper end of said dead axle pass successively the U-shaped plate lower side panel, regulating ring, lower collar, go up the collar and on sleeve pipe connecting portion and captive joint with connecting element.
As preferably, said attaching parts comprises at least two sections connectors, and one that is positioned at the forefront is the leading portion connector, and one that is positioned at rear is the back segment connector, and the front end and the headstock of leading portion connector are hinged, captives joint with mounting in the rear end of back segment connector; The socket of said two neighboring sections connector, and the connector peripheral hardware is useful on fixing connecting element.
Distortion as above-mentioned attaching parts; Attaching parts can design like this: said attaching parts comprises at least two sections connectors and connecting element; The front end and the headstock of one section connector that is positioned at the forefront is hinged, and the rear end of this connector is provided with connector bushing or loop bar, and the two ends of other connectors are respectively equipped with connector bushing and loop bar; Said connector bushing and loop bar are equipped with and are used to the mounting hole that is connected and cooperatively interacts, two neighboring sections connector socket and pass the mounting hole captive joint through connecting element; Captive joint with mounting in the rear end of final stage attaching parts.
As preferably, said headstock comprises foot-driven lever and the strut bar that left and right directions is provided with, and captives joint with the middle part of foot-driven lever in the upper end of strut bar, captives joint with the front wheel support in the lower end of strut bar, and the middle part of strut bar and the front end of attaching parts are hinged; The middle part of said strut bar is a horizontal segment, and the upper surface at middle part is provided with vertical adapter shaft, and the front end of said attaching parts is provided with the sleeve of vertical setting, and sleeve and adapter shaft are hinged.
As preferably; Said dolly also comprises brake gear, and brake gear is a disc brake, and disc brake is arranged on one of them back pulley assembly; The handgrip of stopping of disc brake is arranged at mounting; The both sides of said mounting are respectively equipped with handrail, and the said handgrip of stopping is arranged at one of them handrail below, the V-shaped setting of handgrip and handrail of stopping.
When the lower end of mounting is provided with the Flexible Connector with the ability of resiling, Flexible Connector one end is connected with mounting, and the other end is connected with the back pulley support.Flexible Connector can adopt welding when being connected with mounting, back pulley support, or connects through other connecting elements are auxiliary, like bolt etc.Flexible Connector is after following the back pulley deflection distortion, and Flexible Connector drives back pulley and recovers to the extending direction that is parallel to attaching parts, thereby can reduce the deflection angle of back pulley.
Further, the lower end of said headstock is provided with a front wheel assembly, and the lower end of mounting is provided with two back pulley assemblies.
The beneficial effect that the present invention obtains is: the present invention adopts sitting posture to drive dolly, uses as snug as a bug in a rug; The device of wagging the tail is set between mounting and back pulley assembly simultaneously, makes the back pulley deflection angle reduce, help car and turn, keep the car balance.And the present invention steps on about through pin, just can driving trolley move ahead, and has reduced the use difficulty, has improved safety.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is second kind of structural representation of the present invention.
Fig. 3 is the scheme drawing of state of kinematic motion of the present invention.
Fig. 4 is the decomposing schematic representation of a kind of attaching parts of the present invention.
Fig. 5 is the decomposing schematic representation of alternative attachment of the present invention.
Fig. 6 is the decomposing schematic representation of wag the tail device and U-shaped plate of the present invention.
Fig. 7 is the sleeve inner structural representation of the device of wagging the tail of the present invention.
Fig. 8 is the decomposing schematic representation of another wag the tail device and U-shaped plate of the present invention.
Fig. 9 removes the structural representation of sleeve, end cap for the device of wagging the tail of Fig. 8.
Figure 10 removes the structural representation of sleeve for the device of wagging the tail of Fig. 8.
Figure 11 is the decomposing schematic representation of the third wag the tail device and U-shaped plate of the present invention.
Figure 12 for Figure 11 the device of wagging the tail remove the structural representation of sleeve.
Figure 13 is the structural representation of the last collar 71 of the third device of wagging the tail of the present invention.
Figure 14 is the structural representation of the lower collar of the third device of wagging the tail of the present invention.
Figure 15 is the birds-eye view of the third device of wagging the tail of the present invention.
Figure 16 is that the A-A of Figure 15 is to cutaway view.
Figure 17 is that the B-B of Figure 15 is to cutaway view.
Reference numeral is:
1---headstock 11---foot-driven lever 12---strut bar
111---pedal position 13---adapter shaft 21---sleeves
2---attaching parts 3---front wheel assembly 31---front wheel supports
32---front wheel 4---mounting 41---handrails
5---back pulley assembly 51---back pulley support 52---back pulleys
7---the handgrip 22 of stopping---connector 23---loop bars
24---sleeve pipe 25---connecting element 6---devices of wagging the tail
61---reset sleeve 62---bearing 63---packing rings
64---reset sleeve 65---nut 66---torsion springs
67---dead axle 611---projection 8---U-shaped plates
81---locating piece 68---fixed block 69---end caps
9---latch 691---spacing block set 692---locking holes
71---go up the collar 711---connecting portion 712---and go up sleeve pipe
72---lower collar 721---top-surface camber groove 722---breach
73---retracing spring 74---regulating ring 75---screws
82---connecting bore 713---lower surface camber groove 612---through holes.
The specific embodiment
To Figure 17, and the specific embodiment is done explanation further to the present invention below in conjunction with accompanying drawing 1.
Embodiment: a kind of dolly, comprise mounting 4, headstock 1, attaching parts 2, the rear end of said attaching parts 2 is connected with mounting 4; The front end of attaching parts 2 and headstock 1 are hinged, and headstock 1 is attaching parts 2 left-right rotation relatively, and the left and right sides of headstock 1 is respectively equipped with pedal position 111; The lower end of headstock 1 is provided with M front wheel assembly 3, and the lower end of said mounting 4 is provided with N back pulley assembly 5, wherein M+N >=3; M, N are positive integer, and said front wheel assembly 3 comprises front wheel 32 and front wheel support 31, and the lower end of front wheel support 31 is connected with the rotating shaft of front wheel 32; The upper end of front wheel support 31 is connected with the lower end of headstock 1; Said back pulley assembly 5 comprises back pulley 52 and back pulley support 51, captives joint with the rotating shaft of back pulley 52 in the lower end of back pulley support 51, and the upper end of back pulley support 51 is connected with the lower end of mounting 4; Front wheel support 31 or/and back pulley support 51 be obliquely installed; As N>1 the time, the lower end of said mounting 4 is provided with the device of wagging the tail that auxiliary back pulley 52 is turned.Here be obliquely installed the lower end that is meant front wheel support 31, the lower end of back pulley support 51 is connected with front wheel 32, back pulley 52 respectively; The upper end of front wheel support 31, back pulley support 51 is connected with headstock 1, mounting 4 respectively accordingly; And the extending direction of front wheel support 31, back pulley support 51 and horizontal surface keep certain included angle; Angle does not comprise endpoint value between 0 ~ 90 degree.
The present invention in use, the people is sitting on the mounting 4, people's two legs are stepped on respectively on two pedal positions 111 of headstock 1; Scrunch about bipod and make headstock 1 swing, human body cooperates twisting simultaneously, makes front wheel 32 and back pulley 52 relative deflections; Being that front wheel plane, 32 place and plane, back pulley 52 place are not parallel, is benchmark like the length direction with dolly, when foot-operated headstock 1 makes headstock 1 and front wheel 32 deflection left; When back pulley 52 deflection to the right perhaps remains unchanged; Because in front wheel support 31, the back pulley support 51 supposes front wheel support 31 for being obliquely installed for being obliquely installed at least, at this moment the front wheel support 31 of dolly in swing, receive to the left front to power; Headstock 1 to the left front to moving; Because attaching parts 2 is hinged with headstock 1, attaching parts 2 will drive mounting 4 and back pulley 52 is preceding left gradually mobile, and is parallel with front wheel 32 up to back pulley 52; If through the foot-operated angle that keeps between headstock 1 and the attaching parts 2, and the speed of dolly maintenance certain speed, then dolly is made circular movement; When plane, back pulley 52 place and front wheel 32 place plane parallel or will be parallel the time; Through foot-operated headstock 1; Change the deflecting direction of headstock 1; Headstock 1 and all deflection to the right of front wheel 32, front wheel 32 move to the right, and attaching parts 2, mounting 4 and back pulley 52 turn to and preceding to the right moving gradually; When plane, back pulley 52 place and front wheel 32 place plane parallel or will be parallel the time, change the deflecting direction of headstock 1 again, so repeatedly, dolly moves forward with the mode of S curve.In like manner; When the back pulley support 51 of dolly for being obliquely installed, when the relative deflection of front wheel 32 and back pulley 52, when the people rocks; Back pulley support 51 receives the thrust of terrain slope; Promote mounting 4 relative headstock 1 side direction and advance, make front wheel 32 reduce up to parallel with deflection angle between the back pulley 52, can be thereby swing so that the dolly curve moves ahead through headstock 1.
In the technical scheme of the present invention: if the back pulley of dolly 52 has only one, then dolly is very nimble, as shown in Figure 1 when turning, and this moment, back pulley 52 can not installed the device of wagging the tail, and the device of wagging the tail can certainly be installed.But also can the back pulley component design be become the structure of cardan wheel this moment, promptly back pulley support 51 is hinged with mounting 4, and back pulley support 51 can rotate around its extending direction.
When the back pulley 52 of dolly is more than two, the design device of wagging the tail makes back pulley 52 when turning; The direction of each back pulley 52 deflection is different; Each back pulley 52 is according to actual conditions deflection, and the wheel shaft of the back pulley 52 in the deflection can disalignment, helps mounting 4 and turns to and wag the tail; Therefore back pulley 52 is all different owing to each steering angle when turning; Can compare the dolly of present coaxial back pulley 52 according to its deflection angle of self separately of the needs adjustment of the turning of mounting 4, use also very convenient; Turn easily, like Fig. 2, shown in Figure 3.
The present invention generally is set to front wheel support 31 tilt when implementing, and is convenient to the startup of dolly; Back pulley support 51 according to circumstances is provided with, if steerman control dolly ability is stronger, can back pulley support 51 also is set to; The speed of advance of dolly is very fast like this; If steerman control dolly ability a little less than, back pulley support 51 vertically is provided with, the speed of advance of dolly is slower, and is as shown in Figure 1; Also can back pulley support 51 be horizontally disposed with.When current pulley bracket 31 was set to, back pulley support 51 can level be connected with the device of wagging the tail, and also can be connected with the device of wagging the tail by bevelled, and promptly back pulley support 51 is the level of state or heeling condition.
Captive joint can be adopted in the upper end of front wheel support 31 when being connected with headstock 1; Also can adopt flexible connection, make front wheel support 31 to rotate around its prolonging direction.Because when flexibly connecting, headstock 1 is difficult to control, the present invention adopts captive joint.
Further, the said device of wagging the tail is the Flexible Connector with the ability of resiling, and Flexible Connector one end is connected with mounting 4, and the other end is connected with back pulley support 51.
The device of wagging the tail is set to have the Flexible Connector of the ability of resiling.Flexible Connector is being followed back pulley 52 deflection distortions; And the centnifugal force that this back pulley assembly received when this deflection was turned with mounting 4 is relevant; Therefore each back pulley 52 deflection angle is different; Help wagging the tail of mounting 4, make as early as possible that promptly the extending direction of attaching parts 2 is consistent with front wheel 32 place directions.Simultaneously, Flexible Connector also drives back pulley 52 and recovers to the extending direction that is parallel to attaching parts 2, thereby can reduce the deflection angle of back pulley 52.Can reduce the deflection angle sum between front wheel 32 and the back pulley 52, and then increase the radius of curvature that turns round, help safety turning.Wherein, Flexible Connector can be the rod member of spring steel making.The connection mode of Flexible Connector and mounting 4 or back pulley support 51 can be welding, also can connect through other connecting elements such as bolt.
Further; The said device 6 of wagging the tail comprises dead axle 67, reset sleeve 61 and elastic component; Dead axle 67 is connected with the lower end of mounting 4, and reset sleeve 61 is placed in outside the dead axle 67 and captive joint with back pulley support 51 in the side of reset sleeve 61, and said elastic component is arranged in the reset sleeve 61; One end of elastic component is connected with reset sleeve 61, and the other end of elastic component is connected with dead axle 67 or mounting 4.
After this device 6 of wagging the tail was set, the device 6 of wagging the tail promoted back pulley 52 always and rotates to the extending direction that is parallel to attaching parts 2; Dolly is when turning, and the deflecting direction of front wheel 32 and back pulley 52 is different, and when angle between front wheel plane, 32 place and the plane, back pulley 52 place was big, the radius of curvature that dolly is turned was less, is prone to cause roll-over accident; Setting is wagged the tail behind the device 6, and the device 6 of wagging the tail promotes back pulley 52 always and rotates to the extending direction that is parallel to attaching parts 2, keeps back pulley 52 to move ahead along the extending direction of attaching parts 2 as far as possible; The device 6 of wagging the tail is adjusted the deflection angle of back pulley 52 always when dolly is turned, reduce as far as possible front wheel plane, 32 place and back pulley 52 place flat squares between angle, increase the radius of curvature of turning.With the dolly right-hand rotation is example: the extending direction of the headstock 1 relative attaching parts 2 of dolly keeps right avertence to change, and front wheel 32 also keeps right avertence to change, and dolly bends to right; The extending direction deflection left of back pulley 52 relative attaching partss 2 at this moment; The deflection angle sum of front wheel 32 and back pulley 52 is the angle between front wheel plane, 32 place and the plane, back pulley 52 place; The device 6 of wagging the tail is adjusted the deflection angle of back pulley 52 always in this process, make that the deflection angle of back pulley 52 diminishes (referring to Fig. 3).
Further, the lower end of said mounting 4 is provided with U-shaped plate 8, and the two ends of said dead axle 67 are connected with the two ends of U-shaped plate 8 respectively, and is arranged with bearing 62 outside the dead axle 67, and reset sleeve 61 is positioned at the middle part of U-shaped plate 8, and reset sleeve 61 and bearing 62 sockets.
Through bearing 62 is set, reset sleeve 61 can be rotated around dead axle 67 flexibly, thereby makes back pulley 52 rotate flexibly.
Like Fig. 6, shown in Figure 7; When the device 6 of wagging the tail was that U-shaped plate 8 cooperates, elastic component adopted torsion spring 66, and an end of reset sleeve 61 is provided with breach 722 in the side near U-shaped plate 8; The middle part of breach 722 is provided with projection 611; Torsion spring 66 is arranged in this end of reset sleeve 61, and reset sleeve 61 is stretched out through breach 722 in the both ends of torsion spring 66, and the two-end part of torsion spring 66 is in the both sides of projection 611; Said U-shaped plate 8 is provided with the locating piece 81 that cooperates with projection 611, and locating piece 81 is between the both ends of torsion spring 66.Like this during relative U-shaped plates 8 rotations of reset sleeve 61, drive one of them end rotations of torsion springs 66, and another end of torsion spring 66 piece 81 that is positioned is spacing, thereby makes the device 6 of wagging the tail have reset capability through projection 611.
For let wag the tail device 6 be convenient to the assembling, the device 6 of wagging the tail is provided with two bearings, and also is provided with two reset sleeve 64, nut 65 and packing ring 63.Like Fig. 6, shown in Figure 7; One of them reset sleeve 64 is arranged between two bearings 62; Another reset sleeve 64 is sheathed in the torsion spring 66; Said dead axle 67 is provided with positive stop end, the other end of dead axle 67 pass successively the side plate of U-shaped plate 8 through hole, one of them bearing 62, packing ring 63, one of them reset sleeve 64, another bearing 62, another reset sleeve 64, U-shaped plate 8 another side plate through hole and be threaded with nut 65.This fit is simple, and is easy to assemble.
Further; The said device of wagging the tail also comprises end cap 69 and fixed block 68, and the middle part of said end cap 69 has the through hole that matches with dead axle 67, and end cap 69 is arranged at a side of reset sleeve 61 and is positioned at U-shaped plate 8; The medial surface of end cap 69 is provided with spacing block set 691; Said elastic component is a torsion spring 66, and torsion spring 66 is positioned at end cap 69, and the two ends of torsion spring 66 lay respectively at the both sides of spacing block set 691; The end face of said reset sleeve 61 and end cap 69 contacts is connected with an end of fixed block 68, and the other end of fixed block 68 stretches into end cap 69 and between the two ends of torsion spring 66; The side plate of said U-shaped plate 8 and end cap 69 are equipped with locking hole 692, are provided with latch 9 in the locking hole 692.
Technical scheme of the present invention can be captiveed joint an end of fixed block 68 when implementing with reset sleeve 61, like welding; Also can adopt the mode of cooperation, be provided with mounting hole like the end face in reset sleeve 61, an end of fixed block 68 cooperates or interference fit with this mounting hole.The locking hole 692 of the side plate of U-shaped plate 8 is a unthreaded hole, can be convenient to processing, also can be tapped bore; The locking hole 692 of end cap 69 is a tapped bore, and latch 9 is that thread rod also can be bolt, and an end of latch 9 passes the locking hole 692 of U-shaped plate 8 and captives joint with the locking hole 692 of end cap 69.When this wags the tail device work; Reset sleeve 61 follows the relative U-shaped plate 8 of back pulley support to rotate, because passing through latch 9, end cap 69 captives joint with U-shaped plate 8, so reset sleeve 61 relative end caps 69 rotations; Reset sleeve 61 drives fixed block 68 and rotates; Fixed block 68 promotes an end of torsion spring 66, and the other end of torsion spring 66 is blocked by the spacing block set 691 of end cap 69, thereby the feasible device of wagging the tail has reset capability.Move with the device of wagging the tail for convenient for assembly, the device of wagging the tail also is provided with reset sleeve 64, nut 65, packing ring 63; Referring to Fig. 8, Fig. 9, Figure 10; One of them reset sleeve 64 is arranged in the end cap 69; Torsion spring 66 is placed in reset sleeve 64 outer (referring to accompanying drawing 9); Be arranged with two bearings 62 in the reset sleeve 61, bearing 62 is distributed in the both sides of reset sleeve 61, is provided with another reset sleeve 64 between the two bearings 62.
Further; Extremely shown in Figure 17 like Figure 11; The lower end of said mounting 4 is installed with U-shaped plate 8; The said device of wagging the tail comprises reset sleeve 61, dead axle 67, retracing spring 73, regulating ring 74, lower collar 72, ball 10 and the last collar 71 of captiveing joint with back pulley support 51, and the middle part of said regulating ring 74 is provided with the axis hole that matches with dead axle 67, and the bottom of said reset sleeve 61 is provided with negative thread; Said middle part of going up the upper surface of the collar 71 extends upward out a coaxial upper bush 712; The upper end of upper bush 712 is provided with connecting portion; The said upward collar 71, lower collar 72, retracing spring 73, regulating ring 74 are placed in the reset sleeve 61 successively from top to bottom; Said regulating ring 74 is threaded with reset sleeve 61; The two ends of retracing spring 73 offset with lower collar 72 and regulating ring 74 respectively; The upper surface of said lower collar 72 is provided with a top-surface camber groove 721 at least and is provided with a lower surface camber groove 713 at least or/and go up the lower surface of the collar 71, and said top-surface camber groove 721 is the little curved surface groove of the big both sides of the intermediate depth degree of depth with lower surface camber groove 713, and said ball 10 is positioned at the curved surface groove; The side of said reset sleeve 61 has through hole 612, and the side of said lower collar 72 has the breach 722 that communicates with through hole 612, and the said device of wagging the tail also comprises pipe link and connecting element, and an end of pipe link passes said through hole 612 and inserts in the breach 722; The epipleural of said U-shaped plate is provided with connecting bore 82; The said connecting portion 711 of going up the last sleeve pipe 712 of the collar 71 insert said connecting bores 82 and with connecting bore 82 sockets, the upper end of said dead axle 67 pass successively the U-shaped plate lower side panel, regulating ring 74, lower collar 72, go up the collar 71 and on sleeve pipe 712 connecting portion 711 and captive joint with connecting element.In the present embodiment, pipe link is screw 75 or bolt, and through hole 612 is a bolt hole; The upper end of dead axle 67 is provided with outside thread, and connecting element is a nut 65, and the upper end of dead axle 67 is threaded with nut 65.
When dolly turned round, at first back pulley support 51 drove reset sleeve 61 rotations, because reset sleeve 61 is connected with lower collar 72 through pipe link; Therefore reset sleeve 61 drives lower collar 72 rotations; Because the last collar 71 connects through its connecting portion and U-shaped sleeve-board, therefore the last collar 71 and U-shaped Board position relative fixed are gone up the collar 71 and can not be followed lower collar 72 to rotate; Go up the collar 71 and U-shaped Board position relative fixed in order to make in the present embodiment; Connecting bore 82 design is polygonal hole, and the lateral surface of connecting portion is designed to the polygon that matches with connecting bore 82, like hexagon.When the last collar 71 relatively rotates with lower collar 72; Owing to be provided with ball 10 between the last collar 71 and the lower collar 72; And the lower surface of the last collar 71 is provided with lower surface camber groove 713 or/and the upper surface of lower collar 72 is provided with top-surface camber groove 721; Then ball 10 initial conditions are positioned at the middle part of curved surface groove, this moment ball 10 will follow lower collar 72 rotation and along the curved surface groove to a side shifting, because the curved surface groove is the little curved surface groove of the big both sides of the middle part degree of depth degree of depth; Ball 10 will promote lower collar 72 and move down, and compression reseting spring 73.The utility model is provided with two lower surface camber grooves 713 in the lower surface of the last collar 71; The upper surface of lower collar 72 is provided with two top-surface camber grooves 721; Each lower surface camber groove 713 and a top-surface camber groove 721 cooperate accommodation space that both sides broad in the middle are little of formation, and each ball 10 is positioned at an accommodation space.Because retracing spring 73 is compressed; Retracing spring 73 can promote lower collar 72 upward movements, impels ball 10 to get back to original position, rotates in the opposite direction thereby promote lower collar 72; Lower collar 72 drives reset sleeve 61 and resets; Thereby after helping the dolly turning, back pulley support 51 can reset fast, its deflection angle reduces fast, adjustment back pulley support 51 directions.Wherein, the adjustable positions of regulating ring 74 in reset sleeve 61 makes the Flexible Reset power of retracing spring 73 to regulate, and then regulates the dynamics that the device of wagging the tail is wagged the tail, and regulates the needed dynamics of back pulley support 51 deflections.As when regulating ring 74 moves up, retracing spring 73 is compressed, and reset sleeve 61 relative U-shaped plates rotate needed power and become big; Thereby make the needed power of back pulley support 51 deflections increase; Therefore can regulate the position of regulating ring 74 as required, when control dolly turning ability is not enough, can regulating ring 74 be moved up; Dolly advances with less amplitude of fluctuation form; When control dolly turning ability is strong, can regulating ring 74 be moved down, dolly advances with bigger amplitude of fluctuation form.
Be the wag the tail stability of device of raising; Between the epipleural of bearing 62 and U-shaped change plate, be provided with packing ring; A bearing 62 is set in reset sleeve 61 at least; Like the upper end in reset sleeve 61 bearing 62 is set, and this bearing 62 is placed in outside the last sleeve pipe 712 of the collar 71, it is more flexible to make reset sleeve 61 rotate; Can also be arranged with another bearing 62 in the bottom of reset sleeve 61; And said another bearing 62 is positioned at the below of regulating ring 74; Between the lower side panel of reset sleeve 61 and U-shaped plate, be provided with another packing ring, extend lower sleeve 723 in the lower end of lower collar 72 simultaneously, lower sleeve 723 is placed in the upper end of retracing spring 73; Be convenient to retracing spring 73 directed movements, like Figure 16, shown in Figure 17.
Further; Said attaching parts 2 comprises at least two sections connectors 22; Be positioned at one of the forefront and be leading portion connector 22, one that is positioned at rear is back segment connector 22, and the front end of leading portion connector 22 and headstock 1 are hinged; Captiveing joint with mounting 4 in the rear end of back segment connector 22, flexibly connects between the two neighboring sections connector 22.
Further, said two neighboring sections connector 22 sockets, and connector 22 peripheral hardwares are useful on fixing connecting element 25.
Fetch the length of regulating attaching parts 2 through adjacent two sections connectors, 22 covers, after the socket, can adopt connecting element 25 to be the form of clip, two sections connectors 22 are fixing; Also can be employed on the connector 22 that is positioned at the outside and open tapped bore, fix through the bolt mode that compresses the connector 22 that is positioned at of screwing.
Shown in 5; The technical scheme that the present invention adopts is for adopting two sections connectors 22; One of them connector 22 is provided with the loop bar 23 that is used for socket, and loop bar 23 evenly is provided with a plurality of tapped bore along its length direction, and another connector 22 is provided with the connector bushing 24 that is used for socket; Connector bushing 24 is provided with tapped bore, and loop bar 23 is inserted in connector bushing 24 and passes through bolted connection; The distance that loop bar 23 is inserted in sleeve pipe 24 can be adjusted.Connector 22 is when being connected with mounting 4, and fixed sleeving 24 on mounting 4, and loop bar 23 is set on connector 22, and through bolt connector 22 and mounting 4 being fixedly connected connects.Make things convenient for connector 22 and mounting 4 dismountings, installation.
A kind of equivalent variations as attaching parts 2; Said attaching parts 2 comprises at least two sections connectors 22 and connecting element 25; The front end and the headstock 1 of one section connector 22 that is positioned at the forefront is hinged; And the rear end of this connector 22 is provided with connector bushing 24 or loop bar 23; The two ends of other connectors 22 are respectively equipped with connector bushing 24 and loop bar 23, and said connector bushing 24 and loop bar 23 are equipped with and are used to the mounting hole that is connected and cooperatively interacts, two neighboring sections connector 22 sockets and pass the mounting hole captive joint through connecting element 25; Captive joint with mounting 4 in the rear end of final stage attaching parts 2.
The connector 22 through different length is set and the connector 22 of different hop counts, the length of adjusting dolly is to be fit to the people of different heights.Adjacent connector 22 except socket, also passes corresponding mounting hole with adjacent connector 22 captive joints through connecting element 25 when connecting, connecting element 25 can be pin, also can be bolt; As shown in Figure 4.When the rear end of final stage connector 22 is connector bushing 24, can on mounting 4, fix a loop bar 23, through captiveing joint of connector bushing 24 and loop bar 23, make connector 22 captive joint with mounting 4.When the rear end of final stage connector 22 is loop bar 23, can on mounting 4, fix a connector bushing 24, through captiveing joint of connector bushing 24 and loop bar 23, make connector 22 captive joint with mounting 4.
Further; Said headstock 1 comprises the foot-driven lever 11 and strut bar 12 that left and right directions is provided with; Captiveing joint with the middle part of foot-driven lever 11 in the upper end of strut bar 12, captives joint with front wheel support 31 in the lower end of strut bar 12, and the front end of the middle part of strut bar 12 and attaching parts 2 is hinged.As shown in Figure 3.
Further, the middle part of said strut bar 12 is a horizontal segment, and the upper surface at middle part is provided with vertical adapter shaft 13, and the front end of said attaching parts 2 is provided with the sleeve 21 of vertical setting, and sleeve 21 is hinged with adapter shaft 13.
When implementing, can be on adapter shaft 13 socket bearing 62, sleeve 21 and bearing 62 sockets; Make attaching parts 2 and headstock 1 hinged back rotate more flexible; As distortion, can sleeve 21 be socketed in vertical section of strut bar 12, like the tap of existing bicycle and the connection mode of vehicle body; But the sleeve 21 of present embodiment is more prone to when implementing with the connection mode of adapter shaft 13, convenience.
Further, said dolly also comprises brake gear, and brake gear is a disc brake, and disc brake is arranged on one of them back pulley assembly 5, and the handgrip 7 of stopping of disc brake is arranged at mounting 4.
When the dolly excessive velocities, in the time of maybe need dolly being stopped, can slow down or stop through pinching the handgrip 7 of stopping.
As equivalent variations, brake gear also can be stopped for V.
Further, the both sides of said mounting 4 are respectively equipped with handrail 41, and the said handgrip 7 of stopping is arranged at one of them handrail 41 below, and stop handgrip 7 and handrail 41 V-shaped settings are as shown in Figure 2.
Further, the lower end of said headstock 1 is provided with a front wheel assembly 3, and the lower end of mounting 4 is provided with two back pulley assemblies 5.
The vehicle structure of three pulleys is stable and cost is minimum, because the holding capacity of mounting 4 is bigger, so the lower end of mounting 4 is provided with two back pulley assemblies 5.
Below only be the application's preferred embodiment, equivalent technical solutions on this basis still falls into the application protection domain.
Claims (10)
1. dolly, it is characterized in that: comprise mounting, headstock, attaching parts, the rear end of said attaching parts is connected with mounting; The front end and the headstock of attaching parts are hinged, and headstock is the attaching parts left-right rotation relatively, and the left and right sides of headstock is respectively equipped with pedal position; The lower end of headstock is provided with M front wheel assembly, and the lower end of said mounting is provided with N back pulley assembly, wherein M+N >=3; Said front wheel assembly comprises front wheel and front wheel support; The lower end of front wheel support is connected with the rotating shaft of front wheel, and the upper end of front wheel support is connected with the lower end of headstock, and said back pulley assembly comprises back pulley and back pulley support; Captive joint with the rotating shaft of back pulley in the lower end of back pulley support, the upper end of back pulley support is connected with the lower end of mounting; The front wheel support is or/and the setting of back pulley riding; As N>1 the time, the lower end of said mounting is provided with the device of wagging the tail that auxiliary back pulley is turned.
2. according to a kind of dolly shown in the claim 1, it is characterized in that: the said device of wagging the tail is the Flexible Connector with the ability of resiling, and Flexible Connector one end is connected with mounting, and the other end is connected with the back pulley support.
3. according to a kind of dolly shown in the claim 1; It is characterized in that: the said device of wagging the tail comprises dead axle, reset sleeve and elastic component; Dead axle is connected with the lower end of mounting, and reset sleeve is placed in outside the dead axle and captive joint with the back pulley support in the side of reset sleeve, and said elastic component is arranged in the reset sleeve; One end of elastic component is connected with reset sleeve, and the other end of elastic component is connected with dead axle or mounting.
4. according to a kind of dolly shown in the claim 3; It is characterized in that: the lower end of said mounting is provided with the U-shaped plate, and the two ends of said dead axle are connected with the two ends of U-shaped plate respectively, and dead axle is arranged with bearing outward; Reset sleeve is positioned at the middle part of U-shaped plate, and reset sleeve and bearing socket.
5. according to a kind of dolly shown in the claim 4, it is characterized in that: said elastic component is a torsion spring, and an end of reset sleeve is provided with breach in the side near the U-shaped plate; The middle part of breach is provided with projection; Torsion spring is arranged in this end of reset sleeve, and the both ends of torsion spring stretch out outside the reset sleeve through breach, and the two-end part of torsion spring is in the both sides of projection; Said U-shaped plate is provided with the locating piece that cooperates with projection, and locating piece is between the both ends of torsion spring.
6. according to a kind of dolly shown in the claim 4; It is characterized in that: the said device of wagging the tail also comprises end cap and fixed block, and the middle part of said end cap has the through hole that matches with dead axle, and end cap is arranged at a side of reset sleeve and is positioned at the U-shaped plate; The medial surface of end cap is provided with spacing block set; Said elastic component is a torsion spring, and torsion spring is positioned at end cap, and the two ends of torsion spring lay respectively at the both sides of spacing block set; The end face of said reset sleeve and end cap contact is connected with an end of fixed block, and the other end of fixed block stretches into end cap and between the two ends of torsion spring; The side plate and the end cap of said U-shaped plate are equipped with locking hole, are provided with latch in the locking hole.
7. according to a kind of dolly shown in the claim 1; It is characterized in that: the lower end of said mounting is installed with the U-shaped plate; The said device of wagging the tail comprises reset sleeve, dead axle, retracing spring, regulating ring, lower collar, ball and the last collar of captiveing joint with the back pulley support; The middle part of said regulating ring is provided with the axis hole that matches with dead axle, and the bottom of said reset sleeve is provided with negative thread; Said middle part of going up the upper surface of the collar extends upward out a coaxial upper bush; The upper end of upper bush is provided with connecting portion; The said upward collar, lower collar, retracing spring, regulating ring are placed in the reset sleeve successively from top to bottom; Said regulating ring is threaded with reset sleeve, and the two ends of retracing spring offset with lower collar and regulating ring respectively, and the upper surface of said lower collar is provided with a top-surface camber groove at least and is provided with a lower surface camber groove at least or/and go up the lower surface of the collar; Said top-surface camber groove and lower surface camber groove are the little curved surface groove of the big both sides of the intermediate depth degree of depth, and said ball is positioned at the curved surface groove; The side of said reset sleeve has through hole, and the side of said lower collar has the breach that through hole communicates, and the said device of wagging the tail also comprises pipe link and connecting element, and an end of pipe link passes said through hole and inserts in the breach; The epipleural of said U-shaped plate is provided with connecting bore; The said connecting portion of going up the last sleeve pipe of the collar insert said connecting bore and with the connecting bore socket, the upper end of said dead axle pass successively the U-shaped plate lower side panel, regulating ring, lower collar, go up the collar and on sleeve pipe connecting portion and captive joint with connecting element.
8. according to a kind of dolly shown in the claim 1; It is characterized in that: said attaching parts comprises at least two sections connectors; One that is positioned at the forefront is the leading portion connector; One that is positioned at rear is the back segment connector, and the front end and the headstock of leading portion connector are hinged, captives joint with mounting in the rear end of back segment connector; The socket of said two neighboring sections connector, and the connector peripheral hardware is useful on fixing connecting element.
9. according to a kind of dolly shown in the claim 1; It is characterized in that: said headstock comprises foot-driven lever and the strut bar that left and right directions is provided with; Captive joint with the middle part of foot-driven lever in the upper end of strut bar; Captive joint with the front wheel support in the lower end of strut bar, the middle part of strut bar and the front end of attaching parts are hinged; The middle part of said strut bar is a horizontal segment, and the upper surface at middle part is provided with vertical adapter shaft, and the front end of said attaching parts is provided with the sleeve of vertical setting, and sleeve and adapter shaft are hinged.
10. according to a kind of dolly shown in the claim 1; It is characterized in that: said dolly also comprises brake gear, and brake gear is a disc brake, and disc brake is arranged on one of them back pulley assembly; The handgrip of stopping of disc brake is arranged at mounting; The both sides of said mounting are respectively equipped with handrail, and the said handgrip of stopping is arranged at one of them handrail below, the V-shaped setting of handgrip and handrail of stopping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335951.5A CN102815356B (en) | 2012-09-12 | 2012-09-12 | Trolley |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335951.5A CN102815356B (en) | 2012-09-12 | 2012-09-12 | Trolley |
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| CN102815356A true CN102815356A (en) | 2012-12-12 |
| CN102815356B CN102815356B (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210335951.5A Expired - Fee Related CN102815356B (en) | 2012-09-12 | 2012-09-12 | Trolley |
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| CN103223822A (en) * | 2013-05-16 | 2013-07-31 | 昆山健祥威机械科技有限公司 | Mobile wheel with reset function |
| CN103231762A (en) * | 2013-05-21 | 2013-08-07 | 昆山健祥威机械科技有限公司 | Novel twist car |
| WO2014040273A1 (en) * | 2012-09-12 | 2014-03-20 | Allais Denis Jean-Daniel | Small vehicle |
| WO2014183506A1 (en) * | 2013-05-16 | 2014-11-20 | 昆山健祥威机械科技有限公司 | Swingcar |
| CN104875826A (en) * | 2015-01-05 | 2015-09-02 | 太仓市车中宝休闲用品有限公司 | Adjustable rollover-preventive forward-backward pedaling type dual-purpose three-wheel drifting vehicle |
| CN106627941A (en) * | 2016-11-18 | 2017-05-10 | 深圳市四驾马车科技实业有限公司 | Multi-degree-of-freedom electric self-balancing vehicle handlebar |
| CN112691007A (en) * | 2019-10-23 | 2021-04-23 | 沈阳新松机器人自动化股份有限公司 | Angle adjustment automatic re-setting mechanism |
| CN113212617A (en) * | 2021-05-20 | 2021-08-06 | 永康市畅跑工贸有限公司 | Electric scooter |
| CN114013498A (en) * | 2021-11-08 | 2022-02-08 | 景鸿超精密工业(青岛)有限公司 | Multifunctional vehicle |
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| CN112691007B (en) * | 2019-10-23 | 2022-05-06 | 沈阳新松机器人自动化股份有限公司 | Angle adjustment automatic re-setting mechanism |
| CN113212617A (en) * | 2021-05-20 | 2021-08-06 | 永康市畅跑工贸有限公司 | Electric scooter |
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