CN206087061U - Balance car - Google Patents

Abstract

The utility model discloses a balance car, balance car includes automobile body, wheel, rotation piece and limit structure, a wheel and a rotation connection, piece and the mobile fixed connection of automobile body rotate, the wheel accessible the movable fixed connection who rotates piece and automobile body stacks from initial condition on the automobile body, limit structure is used for spacingly rotate the piece, in order to prevent rotate an activity. The utility model discloses convenient folding wheel is to the automobile body, when folding to the automobile body the time volume with regard to reducing balance car greatly with the wheel to carry and transport.

Description

A kind of balance car

Technical field

The utility model is related to balance car construction applications, in particular, is related to a kind of balance car.

Background technology

Electrodynamic balance car, is called body-sensing car, thinking car, and its operation principles is mainly built upon one kind and is referred to as that " dynamic is steady In general principle calmly ", the change of vehicle body attitude, and profit are detected using the gyroscope and acceleration transducer of vehicle body With servo-control system, accurately motor is adjusted correspondingly, to keep the balance of system.

Existing electrodynamic balance car typically has two kinds, and one kind is that have an action bars on car body, and user stands electronic Action bars is operated on the foot platform of balance car, so as to advancing, retreat and stopping, such control is also referred to as " manual control ". Another kind is that car body is made up of two parts, mutually rotation is realized by rotating mechanism between left half and right half, so as to realize " foot control ".It is CN104029769A (date of publication referring to Chinese utility model patent publication No.：20140910) electrodynamic balance is turned round Turn round car, its carry and transportation in, due to wheel project outside so that balance car integrally takes larger space, so as to With regard to not readily portable and transport.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of balance car for being convenient for carrying and transporting.

The purpose of this utility model is achieved through the following technical solutions：

According to one side of the present utility model, the utility model discloses a kind of balance car, the balance car includes car Body, wheel, tumbler and position limiting structure, the wheel and tumbler connect, and the tumbler is movable with car body to be fixedly connected, The wheel can be fixedly connected from original state with the activity of car body by the tumbler and is stacked on the car body, the limit Bit architecture is used for the spacing tumbler, to prevent the tumbler activity.

Compared with prior art, it is of the present utility model to have the technical effect that：Wheel can be by the work of the tumbler and car body Dynamic being fixedly connected from original state is stacked on the car body, when not in use, wheel is rotated, by vehicle wheel rotation to car body position Put, prevent wheel from projecting outside, so as to reduce the overall volume of balance car, and then convenient transport and carrying.And, position limiting structure It is spacing to tumbler, prevent tumbler activity or rock, and then prevent the wheel being fixedly connected with tumbler from rocking, at wheel When original state, position limiting structure rotation-limited part prevents tumbler from rotating, and then guarantees that balance car can normally run, and prevents Only deviate wheel because of the rotation of tumbler.And when wheel is stacked to the car body, position limiting structure rotation-limited part is lived It is dynamic, it is ensured that tumbler and wheel are fixed on car body together, and then convenient transport and carrying.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model one embodiment balance car；

Fig. 2 is the overall structure diagram of the utility model one embodiment balance car；

Fig. 3 is the overall structure diagram of the utility model one embodiment balance car；

Fig. 4 is the overall structure diagram of the utility model one embodiment balance car；

Fig. 5 is the overall structure diagram of the utility model one embodiment balance car；

Fig. 6 is the schematic diagram that the utility model one embodiment car body, rotary shaft, limit shaft and elastic component coordinate；

Fig. 7 is the partial resolution schematic diagram of Fig. 6；

Fig. 8 is the schematic diagram that the utility model one embodiment limit shaft and elastic component coordinate；

Fig. 9 is the structural representation of one limit shaft of the utility model one embodiment；

Figure 10 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 11 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 12 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 13 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 14 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 15 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 16 is the overall structure diagram of the utility model one embodiment electrodynamic balance car；

Figure 17 is the overall structure diagram of the utility model one embodiment electrodynamic balance car.

Wherein, 100, balance car；110th, car body；111st, axis hole；112nd, the first spacing hole；113rd, the second spacing hole；114、 Rotation space；115th, groove；116th, standing groove；120th, wheel；130th, tumbler；131st, loose slot；140th, rotary shaft；150th, limit Position axle；151st, slide block；152nd, limited post；160th, elastic component；200th, returning face plate；210th, insertion groove；220th, turning part；300th, prop up Strut；310th, insertion section；320th, rotation section；400th, trip shaft.

Specific embodiment

In description of the present utility model, it is to be understood that term " " center ", " horizontal ", " on ", D score, " left side ", The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is based on shown in the drawings Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply the dress of indication Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Restriction.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, unless otherwise stated, the implication of " multiple " It is two or more.In addition, term " including " and its any deformation, it is intended that cover non-exclusive including.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless Context clearly refers else, and singulative " one " otherwise used herein above, " one " also attempt to include plural number.Should also When being understood by, term " including " used herein above and/or "comprising" specify stated feature, integer, step, operation, The presence of unit and/or component, and do not preclude the presence or addition of one or more other features, integer, step, operation, unit, Component and/or its combination.

Below in conjunction with the accompanying drawings the utility model is described in further detail with preferred embodiment.

The balance car 100 of the utility model embodiment is described below with reference to Fig. 1 to Fig. 9.

As shown in Figures 1 to 9, balance car 100 includes car body 110 and the wheel 120 being arranged on car body 110, wheel 120 Two, three or four, or the wheel more than four can be set.And the present embodiment is preferably provided with two on car body 110 Wheel 120, and the symmetrical end positions for being arranged on car body 10, as shown in Figures 1 to 5.

In the present embodiment, wheel 120 can be rotated relative to car body 110, so as to can just fold into wheel 120 The upper surface of car body 110 is folded at the bottom position of car body 110, thus prevents wheel exposed outside, is greatly reduced The volume of balance car, with Portable belt or transportation balance car 100.The present embodiment is preferably selected and for wheel 120 to fold into car body 110 Upper surface, when wheel 120 is folded, wheel 120 supports to ground, and car body 110 is played a supporting role, if by wheel 120 In downward direction fold and be accomplished by firmly holding up car body 110, or car body 110 is overturn, then refolding wheel 120.And this reality Apply example directly wheel 120 is folded on the upper surface of car body 110, car is held up without using bearing capacity so in folding process Body 110, facilitates implementation folding.

As depicted in figs. 1 and 2 the schematic diagram for wheel in original state, is folded to car for wheel as shown in Figures 3 to 5 The schematic diagram of body upper surface, with reference to Fig. 6 to Fig. 9, the concrete mode that the present embodiment wheel 120 is rotated relative to car body 110 One is as follows：

Wherein, the balance car 100 includes going back tumbler 130 and position limiting structure, and the wheel 120 and tumbler 130 connect Connect, the tumbler 130 is movable with car body 110 to be fixedly connected, the wheel 120 can be by the tumbler 130 and car body 110 activity is fixedly connected from original state and is stacked on the car body 110, and the position limiting structure is used for the spacing tumbler 130, to prevent the tumbler 130 movable.

In the present embodiment, the spacing tumbler of the position limiting structure when the wheel 120 is in original state 130, to prevent the tumbler activity, and the position limiting structure is spacing described when the wheel is stacked on the car body Tumbler, to prevent the tumbler activity.

It should be noted that the present embodiment position limiting structure is not limited to this to the limit method of tumbler, the present embodiment Position limiting structure can also carry out the spacing of other modes to tumbler, such as：The limit when the wheel is in original state The spacing tumbler of bit architecture, to prevent the tumbler activity.

For another example：The spacing tumbler of the position limiting structure when the wheel is stacked on the car body, to prevent The tumbler activity.

Again such as：When wheel is in the position between original state and car body upper surface, position limiting structure is spacing described turn Moving part, in case rotation stop moving part is movable.

The present embodiment position limiting structure is spacing to tumbler, prevents tumbler activity or rocks, and then prevents solid with tumbler The wheel of fixed connection is rocked, and when wheel is in original state, position limiting structure rotation-limited part prevents tumbler from rotating, and then Guarantee that balance car can normally run, prevent from deviateing wheel because of the rotation of tumbler.And work as wheel and stack to the car body When upper, position limiting structure rotation-limited part activity, it is ensured that tumbler and wheel are fixed on car body together, and then convenient transport and Carry.

In the present embodiment, the tumbler 130 is fixedly connected by the way that bearing pin 140 is movable with car body 110, the rotation Part 130 can be rotated along the bearing pin 140, and the car body 110 is provided with the axis hole 111 for placing the bearing pin, corresponding, be turned The axis hole for placing the bearing pin 140 is also equipped with moving part 140, the axis hole on axis hole and car body on tumbler is relative Should, all it is adapted with bearing pin.Further, the bearing pin 140 is detachably mounted on the car body 110, bearing pin 140 and car Connection is detachably fixed between body, it is just convenient that dismounting hinge pin gets off, and then it is convenient tumbler and car body are separated, it is thus real Show the dismounting by wheel and tumbler, so as to wheel and car body realize modularization, thus convenient transport and carrying.

In the present embodiment, the position limiting structure includes limit shaft 150, and the car body 110 is provided with spacing hole (first The spacing hole 113 of spacing hole 112 and second), the tumbler 130 is provided with rotation hole, and the limit shaft 150 can be inserted respectively into In the spacing hole and rotation hole.

Wherein, the tumbler 130 is provided with the loose slot 131 being connected with the rotation hole, and the limit shaft 150 can It is inserted respectively in the rotation hole and spacing hole by the loose slot 131.This be by limit shaft come rotation-limited hole and A kind of concrete mode of spacing hole, it should be noted that the present embodiment limit shaft is inserted into the mode in rotation hole and spacing hole This is not limited to, such as, limit shaft is inserted from the spacing hole of car body, and be inserted in rotation hole, or directly will be spacing Axle is fixed on car body, and limit shaft is limited on car body, and limit shaft only can be movable in the spacing hole of car body, in active procedure It is inserted in rotation hole, or pulls out from rotation hole.

Further, limit shaft 150 is fixed on tumbler 130.

Specifically, the limit shaft 150 is arranged on the tumbler 130, and the limit shaft 150 can be in the loose slot 131 and rotation hole in activity, the limit shaft 150 in the loose slot 131 and rotation hole activity when can be accommodated in the work In dynamic groove and rotation hole, also can part stretch out in outside the tumbler from the rotation hole；When the spacing shaft portion is from described Rotation hole is inserted in the spacing hole when stretching out in outside the tumbler.

More specifically, the position limiting structure also includes elastic component 160, and the elastic component 160 is positioned over the loose slot 131 Interior, the elastic component 160 and limit shaft 150 connect, and specifically, the limit shaft 150 is provided with limited post 152, the elasticity Part 160 be socketed with the limited post 152.When the limit shaft stretch out in outside the tumbler be inserted partially into it is described spacing The elastic component produces elastic pressure to the limit shaft when in hole, and the telescopic extensions of the elastic component are more than or equal to the limit Position part stretches out in the length of the tumbler outer portion.

In the present embodiment, the limit shaft 150 is provided with for controlling the limit shaft 150 in the loose slot 131 With the slide block 151 of activity in rotation hole, the slide block protruded from outside the tumbler from the loose slot.

In the present embodiment, the elastic component 160 includes a spring, and its elasticity is good, it is of course also possible to arrange other tools Resilient material, such as rubber etc..

In the present embodiment, the car body 110 is provided with the rotation space 114 for tumbler activity, described spacing Hole is divided into two parts, the limit shaft to include two by the rotation space, is respectively used to be placed into the spacing hole Two parts.

Certainly, the present embodiment can also only arrange a limit shaft with unification elastic component, such as, elastic component one end is fixed To in loose slot, a limit shaft one end and elastic component connect, and the activity that the other end can be in rotation hole is inserted in spacing hole.

The present embodiment rotation hole is through-hole structure, and spacing hole is also through-hole structure, and certainly, spacing hole can also arrange cecutiency Pore structure.The rotation hole of the present embodiment, spacing hole and axis hole can according to the actual requirements be arranged to through hole or blind hole.

In the present embodiment, spacing hole includes the first spacing hole 112 and the second spacing hole 113, when wheel is in initial During state, the limit shaft stretches out from rotation hole and loose slot and is inserted in first spacing hole 112；When wheel is folded When being put in car body upper surface, the limit shaft stretches out and is inserted into second spacing hole 113 from rotation hole and loose slot In, it is achieved thereby that the effect of automatic spacing, in case rotation stop moving part is rotated.Wherein, axis hole 111 is near the end of the car body 110 Portion and the upper surface of car body 110, can so cause rotary shaft 140 near the end and upper surface of car body, and work as wheel and be in During original state, active force during wheel supporting car body is applied in rotary shaft 140, so allows for rotary shaft closer to car Wheel, so as to supporting effect is more preferable.And axis hole facilitates wheel to be stacked on car body upper surface near car body upper surface.

It should be noted that implementation above is said to the concrete example that the spacing mode of tumbler is only the present embodiment Bright, to those skilled in the art, the present embodiment is realized being not limited to above structure to the spacing mode of tumbler.

The present embodiment balance car includes being additionally operable to drive the motor of the wheel, the power supply for providing power, setting The circuit board and controller of sensor are equipped with, the controller is electrically connected with respectively with circuit board, power supply and motor.Need It is noted that of the prior art, such as the prior art be given in background technology can be adopted with regard to circuit board and controller, Here is no longer conducted further description.

Wherein, motor is arranged in wheel, and wheel is wheel hub motor, and the motor in wheel is by wire and electricity Source, circuit board and controller are realized being electrically connected with.

Specifically, wheel and tumbler are electrically connected with, and tumbler passage is provided with tumbler for placing wire, car body The position of rotation space 114 is provided with the car body passage for placing wire, wherein, car body channel position is provided with for positioning The location structure of wire, the wire of car body position is provided with interface, corresponding, and the wire of tumbler position is provided with grafting Head, only need to be inserted into car body channel position and lead when tumbler is fixedly connected with car body by the connection-peg on the wire at tumbler The electric connection of wheel and power supply etc. can be realized on the interface of line, connected mode is simple.This sample embodiment is by wire It is respectively provided in car body passage and tumbler passage, such hidden design, just prevents the exposed impaired or product outside of wire Outside business.

Wherein, car body includes two pedals being arranged on surface.

According to another embodiment of the present utility model, as shown in Figure 10 to Figure 17, the electrodynamic balance car 100 of the present embodiment Also include returning face plate 200, the one end of the returning face plate 200 is fixed on the car body 110, and the returning face plate 200 can be fixed along it End carries out upset rotation in the car body, when the returning face plate is fixed along it end to be overturn on the car body, the returning face plate Be partially protrude through outside the car body.

The present embodiment is provided with returning face plate on the car body of electrodynamic balance car, and returning face plate can be fixed along it end and carry out upset turn Dynamic, when returning face plate carries out upset to be rotated, returning face plate is partially protrude through outside car body, so as to just place thing on returning face plate Product, especially when user uses electrodynamic balance car in market shopping, purchase can be placed directly within returning face plate, and Additionally contain things need not be carried out using basket or knapsack etc..

And the electrodynamic balance car of the present embodiment, returning face plate can also be directly connected on conveying arrangement, such as transport Car, thus convenient placing articles on transport vehicle, greatly convenient use person's transport goods.

Not only convenient use person's electrodynamic balance car of the present embodiment rides instead of walk, and convenient use person's transport article, realizes It is multi-functional.

The present embodiment can be fixed returning face plate near body end portion when returning face plate is arranged, and so work as returning face plate When overturning to car body top, returning face plate only has a little part to protrude from outside car body, or car body can be designed and not protrude from car In vitro, ride instead of walk so as to be user-friendly to electrodynamic balance car；And when returning face plate is overturn to car body outside, returning face plate is most of prominent Outside car body, the size of car body itself is thus compared, just considerably increase the area of car body, to put on returning face plate Placing articles.

Specifically, the returning face plate 200 is fixedly attached to the top of the car body 110 by trip shaft 400.By returning face plate 200 arrange the top to car body 110, and to overturn returning face plate 200 is rotated, and the area of returning face plate can be arranged into larger, if Two ends of car body arrange returning face plate, and returning face plate easily touches ground when upset is rotated, and produces stop, and cannot overturn Rotate returning face plate, it is necessary to which returning face plate is arranged into little, to prevent ground from stopping, but, thus it is not easy to be put on returning face plate Placing articles.Therefore, returning face plate is arranged on car body top by the utility model, not only facilitates upset to rotate returning face plate, and can be with The area of returning face plate is arranged into larger, to place more articles thereon.

In the present embodiment, further, the returning face plate 200 is fixedly attached to the car body 110 by trip shaft 400 Edge placement, as shown in fig. 10 and fig. 12.Returning face plate 200 is fixed to car body edge by trip shaft 400, and returning face plate just can lead to Crossing trip shaft carries out upset rotation, and when returning face plate is turned on car body, returning face plate can be placed directly on car body, so Just without the need for the placing articles on returning face plate, prevent returning face plate from protruding from outside car body, and then be user-friendly to electrodynamic balance car generation Step.And when returning face plate is turned to into the other end, that is, the one end by returning face plate from car body turns to other end end During portion, when in other words returning face plate is overturn to outside car body, the size of car body top surface is constant, and the major part of returning face plate all positions Outside car body, the entire area of car body top is thus considerably increased, user just directly can place thing on returning face plate Product, to transport and to carry.

In the present embodiment, as the improvement to the present embodiment, the electrodynamic balance car 100 also includes support bar 300, institute State one end end of car body 110 and be provided with the support bar, as shown in Figure 11,12 and 15, described car body one end end is near described The fixed position of trip shaft 400, when the returning face plate 200 is overturn to outside the car body from the car body position, the upset Plate 200 is placed on the support bar 300.When returning face plate 200 is overturn to car body outside, that is to say, that when returning face plate major part When outside car body, the weight of returning face plate acts on being fixedly connected at position of returning face plate, that is, acts on trip shaft, when The bearing capacity of trip shaft will be greatly increased on returning face plate during placing articles, trip shaft is easily caused and is damaged or returning face plate damage. For this purpose, the present embodiment arranges support bar in one end end of car body, for supporting to returning face plate, so as to reduce returning face plate itself And the bearing capacity of trip shaft, it is ensured that fastness of the returning face plate in placing articles.

Wherein, the support bar of the present embodiment is rod-like structure, and its cross section is rectangular configuration.Certainly, the present embodiment Strut can also be arranged to other rod-like structures, or the support bar of the present embodiment can also be arranged to plate-like structure.Need Illustrate, to those skilled in the art, the concrete structure of the present embodiment support bar is not limited to this.

In the present embodiment, further, the end of the support bar 300 is provided with insertion section 310, the returning face plate 200 On be provided with insertion groove 210 for placing the insertion section 310.Insertion section is inserted in insertion groove plays position-limiting action, from And support bar and returning face plate are completely embedded.In the present embodiment, insertion section is suitably inserted into the size setting of groove.Certainly, also Chamfering can be set on insertion section so that insertion section is convenient to be inserted in insertion groove.

In the present embodiment, the support bar 300 is rotatably fixed on one end end of the car body 110.Support bar can What is rotated is fixed on car body one end end, when returning face plate is overturn to outside car body, can support returning face plate with rotary supporting rod, and works as When returning face plate is overturn to car body, support bar can be turned at the surface location of car body one end end, prevent support bar from dashing forward At surface for car body one end end, thus user-friendly electrodynamic balance car is ridden instead of walk.

Specifically, the support bar 300 is provided with rotation section 320, and described car body one end end is provided with for placing The rotation hole of rotation section is stated, the rotation section can rotate in the rotation hole.This is a kind of concrete mode that support bar is rotated.

Further, one end end of the car body 110 is provided with the standing groove 116 for placing the support bar.Support Bar can be placed in standing groove when returning face plate is not supported, so as to prevent support bar from protruding from the surface of car body one end end.

In the present embodiment, the number of the support bar 300 is one, when support bar is produced from the standing groove 116 When, the support bar is located at the car body medium position, and corresponding, the trip shaft 400 is also disposed in the car body At portion position, so as to returning face plate is fixed at the medium position of car body also by trip shaft.This is that the present embodiment arranges support bar With a kind of concrete structure of returning face plate.Certainly, the utility model can also arrange the support bar of other numbers, such as：Referring to Fig. 7 And Fig. 8, the number of support bar 300 is two, and the insertion section 310 and rotation section 320 on support bar is all two, corresponding, car The number of the standing groove arranged on body is also two, and the insertion groove 210 arranged on returning face plate 200 is also two.Need explanation It is that to those skilled in the art, the setting of support bar and returning face plate in the present embodiment is not limited to this, such as, arranges Three support bars.

However, it is necessary to illustrate, the present embodiment can also arrange two returning face plates, such as：Two returning face plates pass through two Individual trip shaft is fixed on the medium position of car body, and two trip shafts are disposed adjacent, and two such returning face plate just can court To the direction flip-flop movement at car body two ends.For another example：Two returning face plates are fixed on the both sides of car body by two trip shafts Direction, that is, two returning face plates arrange respectively close to two wheels, two such returning face plate just each can arbitrarily overturn, phase Interference will not be produced between mutually.Equally, one can be arranged in each upset Board position, two or more support bars carry out Support.

In the present embodiment, turning part 220 is provided with the returning face plate 200,220 sets of turning part is connected to described turning over In rotating shaft 400, the top of the car body 110 is provided with the tumble port for placing the trip shaft.This is that returning face plate realizes upset A kind of concrete mode for rotating.Certainly, the present embodiment can also be fixedly attached to returning face plate on car body using other modes, than Such as, directly upset structure is set in the turning part of returning face plate and is inserted into realization upset rotation in the tumble port of car body.Need Bright, to those skilled in the art, the mode that is fixedly connected between the present embodiment returning face plate and car body is not limited to This.

In the present embodiment, the groove 115 for placing the returning face plate 200 is provided with the car body 110, it is described recessed Groove 115 is adapted to the returning face plate size.When returning face plate 200 is turned on car body 110 and is placed in groove 115, returning face plate 200 parts for forming car body 110, are thus easily facilitated user and are ridden instead of walk using electrodynamic balance car.Certainly, explanation is needed It is that the groove structure of the present embodiment might be less that returning face plate size, such as, the length of groove is arranged and is shorter than the big of returning face plate Little, when returning face plate is overturn to car body, returning face plate is only partially protrude through car body front.Certainly, the groove of the present embodiment Structure can also be more than the size of returning face plate and arrange, and thus easily facilitate and returning face plate is placed in groove, and work as returning face plate When being placed in groove, it is ensured that returning face plate is all located in groove.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Identification is of the present utility model to be embodied as being confined to these explanations.For the ordinary skill of the utility model art For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be regarded To belong to protection domain of the present utility model.

Claims (10)

1. a kind of balance car, wherein, the balance car includes car body, wheel, tumbler and position limiting structure, the wheel and rotation Part connects, and the tumbler is movable with car body to be fixedly connected, and the wheel can be solid by the activity of the tumbler and car body Fixed connection is stacked on the car body from original state, and the position limiting structure is used for the spacing tumbler, to prevent described turning Moving part activity.

2. balance car as claimed in claim 1, wherein, the spacing institute of the position limiting structure when the wheel is in original state Tumbler is stated, to prevent the tumbler activity.

3. balance car as claimed in claim 1, wherein, the position limiting structure limit when the wheel is stacked on the car body The position tumbler, to prevent the tumbler activity.

4. balance car as claimed in claim 1, wherein, the spacing institute of the position limiting structure when the wheel is in original state Tumbler is stated, to prevent the tumbler activity, and the position limiting structure limit when the wheel is stacked on the car body The position tumbler, to prevent the tumbler activity.

5. balance car as claimed in claim 1, wherein, the car body can be stacked to the car body upper surface from original state.

6. balance car as claimed in claim 1, wherein, the tumbler is fixedly connected by the way that bearing pin is movable with car body, institute Stating tumbler can rotate along the bearing pin.

7. balance car as claimed in claim 6, wherein, the bearing pin is detachably mounted on the car body.

8. balance car as claimed in claim 1, wherein, the position limiting structure includes limit shaft, and the car body arranges limited location Hole, the tumbler is provided with rotation hole, and the limit shaft can be inserted respectively in the spacing hole and rotation hole.

9. balance car as claimed in claim 8, wherein, the tumbler is provided with the activity being connected with the rotation hole Groove, the limit shaft can be inserted respectively in the rotation hole and spacing hole by the loose slot.

10. balance car as claimed in claim 9, wherein, the limit shaft is arranged on the tumbler, and the limit shaft can The activity in the loose slot and rotation hole, the limit shaft can be accommodated in described in the loose slot and rotation hole during activity In loose slot and rotation hole, also can part stretch out in outside the tumbler from the rotation hole；When the spacing shaft portion is from institute State when rotation hole is stretched out in outside the tumbler and insert in the spacing hole；The position limiting structure also includes elastic component, the bullet Property part be positioned in the loose slot, the elastic component and limit shaft connect, and the limit shaft is provided with limited post, the elasticity Part be socketed with the limited post on；When outside the limit shaft stretches out in the tumbler when being inserted partially in the spacing hole The elastic component produces elastic pressure to the limit shaft, and the telescopic extensions of the elastic component are stretched more than or equal to the locating part For the length of the tumbler outer portion；The car body is provided with the rotation space for tumbler activity；It is described spacing Hole is divided into two parts, the limit shaft to include two by the rotation space, is respectively used to be placed into the spacing hole Two parts；The limit shaft be provided with for control the limit shaft in the loose slot and rotation hole activity stir Block, the slide block is protruded from outside the tumbler from the loose slot.