CN103204202A - Monocycle - Google Patents
Monocycle Download PDFInfo
- Publication number
- CN103204202A CN103204202A CN2013100889105A CN201310088910A CN103204202A CN 103204202 A CN103204202 A CN 103204202A CN 2013100889105 A CN2013100889105 A CN 2013100889105A CN 201310088910 A CN201310088910 A CN 201310088910A CN 103204202 A CN103204202 A CN 103204202A
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- tooth bar
- wheelbarrow
- big gear
- wheel
- gear wheel
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Abstract
The invention belongs to the field of tools for riding instead of walking and provides a monocycle which comprises a seat, a driving device and a wheel. The wheel comprises a spoke type big gear, a plurality of rack blocks and a moving ring, the seat is fixedly connected with the moving ring which is movably connected with the hub of the spoke type big gear, the driving device is in drive connecting with the hub of the spoke type big gear, and the rack blocks are mutually connected and encircled on and meshed with the spoke type big gear. By adopting a gear-rack meshing type caterpillar band structure, the wheel contacts with the ground through the rack blocks, contact area is large, and rigidity is good, so that the monocycle can stand without falling no matter in stationary or moving state. The monocycle can be applied to field or large and medium-sized working places as a tool for riding instead of walking.
Description
Technical field
The present invention relates to a kind of walking-replacing tool, relate in particular to a kind of wheelbarrow.
Background technology
Wheelbarrow product on the current market mainly contains two kinds: traditional wheelbarrow and novel self-balancing wheelbarrow.The tradition wheelbarrow is pure mechanical wheelbarrow, rubber tire and contact area of ground are little, flexible big, above being sitting in, operating personal is difficult to static balance, operation skill that need be certain and balanced capacity just can be ordered about the wheelbarrow walking and be stopped, but be difficult to walking on smooth or rough road surface, hill climbing ability is poor.Therefore this kind wheelbarrow almost can only be used for performance or entertainment body-building.Modern novel self-balancing wheelbarrow, pioneering technologys such as gyroscope, angular transducer, direction controller have been adopted, make operating personal can keep static balance at any time above being sitting in, and walked by motor-driven, can be used as walking-replacing tool and office accommodations, but exist the road surface to require shortcomings such as harsh, that hill climbing ability is low equally, and making is complicated, cost is high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of pinion and-rack wheelbarrow, and wheel and the contact area of ground of this wheelbarrow are big, makes wheelbarrow can both keep standing state under static or state of kinematic motion.
In order to solve the problems of the technologies described above, the invention provides a kind of pinion and-rack wheelbarrow, comprise seat, actuating device and wheel, described wheel comprises radial big gear wheel, several tooth bar pieces, shifting ring; Described seat is captiveed joint with described shifting ring, and the wheel hub of described shifting ring and described radial big gear wheel flexibly connects; Described actuating device drives with the wheel hub of described radial big gear wheel and is connected; Described several tooth bar pieces are connected to each other to be looped around on the described radial big gear wheel and with described radial big gear wheel and mesh.Adopt gear ﹠ rack structure, car body tooth bar piece contacts with ground, because area of contact is big, the contact surface material stiffness is good, makes wheelbarrow can both keep standing state under static or state of kinematic motion.
As a further improvement on the present invention, described tooth bar piece both sides respectively are provided with a tooth bar anticreep baffle plate.
As a further improvement on the present invention, described tooth bar anticreep baffle plate inboard is provided with the anti-inclined to one side block of tooth bar.Adopt " tooth bar anticreep baffle plate, the anti-inclined to one side block of tooth bar and radial big gear wheel " combination make the tooth bar piece as crawler belt stable be flexible being wrapped on the gear mass, also can be tiled in automatically on the road surface, realized rack-and-gear gear motion truly, like this, be subjected to the caterpillar belt structure that has only that condition of road surface influences, gear mass just travels all the time in crawler belt inside, is not subjected to the influence of any road conditions.Road pavement requires low, and hill climbing ability is good.
As a further improvement on the present invention, described wheelbarrow also comprises steering hardware, described steering hardware comprises: tooth bar piece bottom is provided with circular blind hole, also be provided with from the tangent bolt of described tooth bar piece side axis and described circular blind hole circumference, described circular blind hole built-in one movable nahlock, described movable nahlock is cylindric, and an end is provided with annular groove, be used for being fixed on movable nahlock on the bolt of tooth bar piece and movable nahlock can being changeed around the annular groove axle, movable nahlock exceeds the tooth bar piece.Adopt " tooth bar piece and movable nahlock " combination, movable nahlock can change by relative axle with the tooth bar piece, has solved owing to what special construction caused and has turned to problem.
As a further improvement on the present invention, described radial big gear wheel adopts radial circular arc spur wheel.The tooth of radial big gear wheel outer most edge and the tooth on the tooth bar piece are meshing with each other, and circular arc straight-tooth flank profil has realized the flatness in the engagement disengaging movement process.
As a further improvement on the present invention, the profile of tooth width of described radial big gear wheel is identical with the profile of tooth width of tooth bar piece, and structure is tightr.
As a further improvement on the present invention, be provided with ball in the described shifting ring, reduce friction, be conducive to balance.
As a further improvement on the present invention, described wheel also is provided with the wheel hub baffle plate, stops dust to enter wheel hub.
As a further improvement on the present invention, described actuating device adopts a pair of pedal rod, simple, convenient, environmental protection.
Compared to prior art, wheelbarrow of the present invention adopts gear ﹠ rack structure, car body tooth bar piece contacts with ground, because area of contact is big, the contact surface material stiffness is good, make wheelbarrow under static or state of kinematic motion, can both keep standing state, also the user is not had technical requirements; Adopt " tooth bar piece and movable nahlock " combination to solve since special construction cause turn to problem; Adopt " tooth bar anticreep baffle plate, the anti-inclined to one side block of tooth bar and radial big gear wheel " combination make the tooth bar piece as crawler belt stable be flexible being wrapped on the gear mass, also can be tiled in automatically on the road surface, realized rack-and-gear gear motion truly, like this, be subjected to the caterpillar belt structure that has only that condition of road surface influences, gear mass just travels all the time in crawler belt inside, is not subjected to the influence of any road conditions.Road pavement requires low, and hill climbing ability is good.
Description of drawings
Fig. 1 is wheelbarrow three-dimensional cutaway view of the present invention;
Fig. 2 is wheelbarrow spatial structure decomposing schematic representation of the present invention;
Fig. 3 is wheelbarrow middle rack piece combination stereogram of the present invention;
Fig. 4 turns to the apparatus structure decomposing schematic representation in the wheelbarrow of the present invention;
Fig. 5 is radial big gear wheel block diagram in the wheelbarrow of the present invention;
Fig. 6 is radial big gear wheel front view in the wheelbarrow of the present invention;
Fig. 7 is radial big gear wheel circular arc straight-tooth flank profil enlarged drawing in the wheelbarrow of the present invention;
Fig. 8 is shifting ring block diagram in the wheelbarrow of the present invention.
Each component names is as follows among the figure:
12---wheel
121---the wheel hub baffle plate
122---shifting ring
123---the tooth bar piece
1231---circular blind hole
1232---bolt
124---tooth bar anticreep baffle plate
125---tooth bar is prevented inclined to one side block
126---the radial big gear wheel
1261---wheel hub
127---ball
13---pedal rod
14---seat
151---movable nahlock
152---annular groove
The 16--shell
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing.
As Fig. 1, shown in Figure 2, the invention provides a kind of wheelbarrow, it comprises: seat 14 is made into different shape as required, the actuating device (not shown) is as being designed to a pair of pedal rod 13, wheel 12, described wheel 12 comprises a radial big gear wheel 126, the long tooth bar cutting that an energy and radial big gear wheel 126 are meshed is divided into several tooth bar pieces 123, each tooth bar piece 123 passes through bearing pin head and the tail coupling link on radial big gear wheel 126, form the tooth bar ring (not shown) that a tooth bar piece 123 is combined into, its total length of long tooth bar is greater than the maximum perimeter of radial big gear wheel 126.Tooth bar piece 123 general shapes are block, and the top be several teeth, and the specification of tooth is identical with the specification of the tooth of the radial big gear wheel 126 at center, and function is the radial big gear wheel 126 formation meshing relations with the center; Tooth bar piece 123 front ends are the design of " protruding " font, and the rear end then is the design of " recessed " font.The side then is equipped with through hole, and the rear end groove of a slice tooth bar piece 123 before the leading portion of back a slice tooth bar piece 123 inserts inserts through hole by bolt then and connects, and finally can connect into some tooth bar pieces 123 the flexible rack ring of a similar crawler belt.Seat 14 is captiveed joint with shifting ring 122 by screw, and shifting ring 122 flexibly connects with the wheel hub 1261 of radial big gear wheel 126, can relatively rotate; Pedal rod 13 adopts two overbolts and two nuts fixing with the wheel hub 1261 of radial big gear wheel 126, can relatively rotate the power that pedal rod 13 provides wheelbarrow to move with shifting ring 122.When radial big gear wheel 126 pressures stand on some tooth bar pieces 123, following these tooth bar piece 123 forward and backward tooth bar pieces 123 closely is tiled on the road surface because of the deadweight reason automatically, make when radial big gear wheel 126 travels forward, all the time there are three tooth bar pieces 123 to be tiled on the road surface, thereby reach radial big gear wheel 126 all the time in the same effect of toothed rack motion, make its motion process stable.Because the employing of class caterpillar belt structure, wheel 12 contacts with ground by tooth bar piece 123, and the big and good rigidly of area of contact is so no matter this wheelbarrow can both stand surely under motion or quiescence.The reason that forms so big contact surface is being connected with a joggle between center radial big gear wheel 126 and the tooth bar piece 123, tooth bar piece 123 contacts with the large contact surface on ground again afterwards, realized that the indirect large contact surface in car body and ground contacts, wheelbarrow is just stood to fall like this.
As Fig. 1, Fig. 2, shown in Figure 3, wheelbarrow is in motion process, under the effect of axial force, the tooth bar ring that several tooth bar pieces 123 are combined into can depart from radial big gear wheel 126 or come off, for respectively designing a tooth bar anticreep baffle plate 124 in the both sides that occur in tooth bar piece 123 that prevent this situation.The similar equicrural triangle of tooth bar anticreep baffle plate 124 shapes, fillet is all fallen at three angles, all offer through hole at three corners, the dual-side of tooth bar piece 123 also offers two through holes with tooth bar anticreep baffle plate 124 opposite positions relation, adopt the another side of bolt and nut fixed teeth stick 123 and 124, two relative tooth bar anticreep baffle plates 124 of tooth bar anticreep baffle plate also to adopt bolt and nut to interfix.
As Fig. 2, shown in Figure 3, the midway location of tooth bar anticreep baffle plate 124 fixedly has a tooth bar to prevent inclined to one side block 125, the anti-inclined to one side block 125 of tooth bar is shaped as cylindric, be used for guaranteeing the relatively stable of motion process middle gear tooth bar piece unitized construction (being the tooth bar ring) and radial big gear wheel 126, when particularly turning, offset axial power, be unlikely to because steering effort causes the relative displacement on radial big gear wheel 126 and tooth bar ring (not shown) plane.Simultaneously, anti-inclined to one side block 125 another vital function of tooth bar are, when needing to be pulled upwardly after the wheel body of a radial big gear wheel 126 of tooth bar piece 123 experience was pressed, are stuck on the tooth inner edge of radial big gear wheel 126, play a pull-up effect.
As Fig. 1, shown in Figure 4, wheelbarrow is in motion process, and tooth bar piece 123 contacts with ground, and area of contact is big, causes the difficulty of turning, so designed steering hardware at tooth bar piece 123, makes it easily realize turning to.The realization key that turns to is movable nahlock 151.When wheelbarrow need turn to, there is a movable nahlock 151 to be pressed in ground, this activity nahlock 151 is relative with ground static, but rotates relative motions with tooth bar piece 123 formation of these activity nahlock 151 tops, thereby has realized turning to.Tooth bar piece 123 belows are a circular blind hole 1231, as the placement space of movable nahlock 151, also have the tangent through hole of axis and circular blind hole 1231 circumference from the side, can form after the inserting bolt 1232 active type of movable nahlock 151 is fixed.Install after the movable nahlock 151, tooth bar piece 123 namely is the floor area of movable nahlock 123 with the area of contact on ground.Simultaneously, the bolt 1232 of this place's insertion also is connected with the interference of tooth bar piece 123 for tooth bar anticreep baffle plate 124; Movable nahlock 151 is cylindric, and an end has a ring annular groove 152, and the groove cross section be semicircle, for being fixed on movable nahlock 151 on the tooth bar piece 123 and making the movable nahlock 151 can be around 152 rotations of annular groove, the relative motion when namely turning to.The bottom surface is smooth, be loaded on the tooth bar piece 123 after, can slightly exceed tooth bar piece 123, as turn to and motion process in the part that contacts with ground.
As Fig. 2, shown in Figure 5, described wheelbarrow wheel theme part also is the radial big gear wheel 126 centered by the part of whole wheelbarrow wheel maximum, employing be a radial big gear wheel 126.Radial big gear wheel 126 outer most edge are provided with the tooth of a circle special tooth profile, width is identical with tooth bar piece 123, can with tooth bar piece 123 on tooth engagement, when car body is static, make it relative static with tooth bar piece 123 by this stable engagement, reach the effect that held stationary is stood; In body movement, form stable kinematic pair; Radial big gear wheel 126 centers are hollow structure, have reduced the deadweight of wheel, and the easier control of center of gravity is easy to user's control and reduces the required power that moves.Radial big gear wheel 126 division center edges are the design of step, are used for embedding the ball-type class bearing load larrying member of seat; For the plate structure of load is the thinnest part, be with four slotted holes between radial big gear wheel 126 division centers and its edge, be used for the tie bolt space that 123 combinations (as shown in Figure 3) of tooth bar piece realize stable combination; In addition, on the radial big gear wheel 123 innermost layer materials, design two through holes, be used for to have used overbolt to connect and fixing pedal rod 13.
As Fig. 5, Fig. 6, shown in Figure 7, the tooth of radial big gear wheel 126 outer most edge and the tooth on the tooth bar piece 123 are meshing with each other, so select for use with a kind of profile of tooth.Because the requirement of function, the selection of profile of tooth are particularly crucial.Owing to there is bigger pressure between the gear, the flatness in the engagement disengaging movement process is very important, thus adopt the compound motion characteristic, and can realize that the circular arc profile that seamlessly transits is the most excellent; Because the characteristic of spur wheel is the most near the characteristic requirement of radial gear, so can select spur wheel; Comprehensive above consideration, described radial big gear wheel 126 adopts radial circular arc spur wheels.
As Fig. 2, shown in Figure 8, seat 14 is sleeved on the radial big gear wheel 126 wheel hub both sides ledge structures, comprising a shifting ring 122 and some balls 127 by ball-type class bearing load larrying member.Shifting ring 122 is provided with the cavity that holds ball 127, and radial big gear wheel 126 division center edges are the design of step, is used for embedding the ball-type class bearing load larrying member of seat.After the assembling, form toroidal cavity between shifting ring 122 and radial big gear wheel 126 step-like structures, just be fit to put into some balls 127, form the structure of similar antifriction-bearing box, make and form rolling friction pair between shifting ring 122 and the step-like structure, realized the relative static of seat and people under the state of kinematic motion, with the relative motion of car body.
As shown in Figure 1 and Figure 2, described wheelbarrow is realized its operation and control by manpower fully, and therefore, its engine installation is also simple relatively, and actuating device adopts a pair of pedal rod 13.Pedal rod 13 is a bar structure, is installed on by bolt nut on the through hole of radial big gear wheel 126, is the transmission mechanism of power.Mounting means is that centering type is installed.In the transmittance process of power, stress point is not at the center shaft of wheelbarrow, and on a radius circle, according to lever principle, the arm of force is more long, and it is more laborsaving that wheelbarrow is moved, and controls more convenient.Between pedal rod 13 and shifting ring 122, set up wheel hub baffle plate 121 in order to prevent dust, fixing by two bolts and the pedal rod 13 of pedal rod 13, and can relatively rotate between the shifting ring 122.
As shown in Figure 1 and Figure 2, respectively be provided with a shell 16 in wheel 12 both sides, the garden that the is shaped as ring-type of shell 16, maximum outside diameter is littler than wheel 12 external diameters, interior circular diameter is suitable with radial big gear wheel 126 hub diameters, and shell 16 is fixed with radial big gear wheel 126 employing screws or welded fixing.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1. a wheelbarrow comprises seat, actuating device and wheel, it is characterized in that: described wheel comprises radial big gear wheel, several tooth bar pieces, shifting ring; Described seat is captiveed joint with described shifting ring, and the wheel hub of described shifting ring and described radial big gear wheel flexibly connects; Described actuating device drives with the wheel hub of described radial big gear wheel and is connected; Described several tooth bar pieces are connected to each other to be looped around on the described radial big gear wheel and with described radial big gear wheel and mesh.
2. wheelbarrow according to claim 1, it is characterized in that: described tooth bar piece both sides respectively are provided with tooth bar anticreep baffle plate.
3. wheelbarrow according to claim 2 is characterized in that: described tooth bar anticreep baffle plate inboard is provided with the anti-inclined to one side block of tooth bar.
4. wheelbarrow according to claim 1, it is characterized in that: described wheelbarrow also comprises steering hardware, described steering hardware comprises: tooth bar piece bottom is provided with circular blind hole, also be provided with from the tangent bolt of described tooth bar piece side axis and described circular blind hole circumference, described circular blind hole built-in one movable nahlock, described movable nahlock is cylindric, one end is provided with annular groove, be used for being fixed on movable nahlock on the bolt of tooth bar piece and movable nahlock can being changeed around the annular groove axle, movable nahlock exceeds the tooth bar piece.
5. according to each described wheelbarrow of claim 1 to 4, it is characterized in that: described radial big gear wheel adopts radial circular arc spur wheel.
6. according to each described wheelbarrow of claim 1 to 4, it is characterized in that: the profile of tooth width of described radial big gear wheel is identical with the profile of tooth width of tooth bar piece.
7. according to each described wheelbarrow of claim 1 to 4, it is characterized in that: be provided with ball in the described shifting ring.
8. according to each described wheelbarrow of claim 1 to 4, it is characterized in that: described wheel also is provided with the wheel hub baffle plate.
9. according to each described wheelbarrow of claim 1 to 4, it is characterized in that: described actuating device adopts a pair of pedal rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100889105A CN103204202A (en) | 2013-03-20 | 2013-03-20 | Monocycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100889105A CN103204202A (en) | 2013-03-20 | 2013-03-20 | Monocycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103204202A true CN103204202A (en) | 2013-07-17 |
Family
ID=48751660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100889105A Pending CN103204202A (en) | 2013-03-20 | 2013-03-20 | Monocycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103204202A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2349100Y (en) * | 1998-10-28 | 1999-11-17 | 刘丽华 | Metal endless-track for protecting tyre rubber |
| JP2000168305A (en) * | 1998-12-07 | 2000-06-20 | Shuji Akiyama | Magnetic attraction type wheel |
| CN201092360Y (en) * | 2007-07-25 | 2008-07-30 | 李海栓 | Wheel-barrow |
| KR20090003817A (en) * | 2007-07-04 | 2009-01-12 | 노영숙 | Unicycle |
| CN102514446A (en) * | 2011-12-01 | 2012-06-27 | 华南理工大学 | Wheel-track switching mechanism |
| CN203172794U (en) * | 2013-03-20 | 2013-09-04 | 湖南科技大学 | Monocycle |
-
2013
- 2013-03-20 CN CN2013100889105A patent/CN103204202A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2349100Y (en) * | 1998-10-28 | 1999-11-17 | 刘丽华 | Metal endless-track for protecting tyre rubber |
| JP2000168305A (en) * | 1998-12-07 | 2000-06-20 | Shuji Akiyama | Magnetic attraction type wheel |
| KR20090003817A (en) * | 2007-07-04 | 2009-01-12 | 노영숙 | Unicycle |
| CN201092360Y (en) * | 2007-07-25 | 2008-07-30 | 李海栓 | Wheel-barrow |
| CN102514446A (en) * | 2011-12-01 | 2012-06-27 | 华南理工大学 | Wheel-track switching mechanism |
| CN203172794U (en) * | 2013-03-20 | 2013-09-04 | 湖南科技大学 | Monocycle |
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Application publication date: 20130717 |