CN209361852U - A kind of assembly children toy car - Google Patents

Abstract

The utility model discloses a kind of assembled children toy cars, including bottom plate, the two sides of bottom plate are equipped with the first wheel shaft piece and the second wheel shaft piece for being linked together and extending outward, the opening being equipped in the middle part of the end point opening of first wheel shaft piece and the first wheel shaft fastener end the first wheel shaft of vertical clamping formation, first wheel shaft is socketed with the first locating part A close to one end of bottom plate, the outside of first wheel shaft is socketed with first round body, the card slot that first wheel shaft fastener one end two sides is equipped with is connected together by the card slot that the first locating part B is equipped with first wheel shaft one end two sides, the end point of first wheel shaft, which is connected together, the first round shaft locking part being in close contact with the first locating part A, the all parts of the utility model car body are assembled by the way of assembled completely, it avoids being bonded using glue, so that the toy has the preferable feature of environmental protection, together When interest when can increase the assembled toy car of children again, be conducive to the exploitation of children's intelligence.

Description

A kind of assembly children toy car

Technical field

The utility model relates to a kind of toy car, in particular to a kind of assembled children toy car.

Background technique

Toy refers to the article that can be used to play, and plays with toys in human society usually by as a kind of side to teach through lively activities Formula.

Toy car is one kind common in toy, but common toy car is typically all that bright-coloured appearance is leaned on the market Increase attraction or some Intelligent electric toy vehicles on the high side, but for children, the toy car of bright-coloured appearance Although the interest of children can be excited, for a long time after complete, it will generate and be weary of sense, although Intelligent electric toy vehicle can be played Property it is higher, but cost is generally high, and battery needs to regularly replace or charge, and can virtually have certain risk, make Battery after abandons the pollution that will also result in environment, does not have the purpose taught through lively activities then.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of assembled children toy car Traditional toy car can only lean on bright-coloured appearance increase attraction and Intelligent electric toy vehicle cost it is high, need regularly replace or The problem of charging, can virtually have certain risk, and the battery discarding after use will also result in the pollution of environment.

To achieve the above object, the utility model provides the following technical solutions: a kind of assembly children toy car, including bottom Plate, the two sides of the bottom plate are equipped with the first wheel shaft piece and the second wheel shaft piece for being linked together and extending outward, and described first End point opening the first wheel shaft of clamping formation vertical with the opening that is equipped in the middle part of the first wheel shaft fastener end of wheel shaft piece, described the One wheel shaft is socketed with the first locating part A close to one end of bottom plate, and the outside of first wheel shaft is socketed with first round body, and described The card slot that one wheel shaft fastener one end two sides is equipped with engages company with the card slot that first wheel shaft one end two sides are equipped with by the first locating part B It connecing, the end point of first wheel shaft, which is connected together, the first round shaft locking part being in close contact with the first locating part A, and described the The opening being equipped in the middle part of the end point opening of great wheel arbor piece and the second wheel shaft fastener end the second wheel shaft of vertical clamping formation, it is described The outside of second wheel shaft is socketed with the second locating part A close to one end of bottom plate, and the outside of second wheel shaft is socketed with several Second wheel shaft member, second wheel shaft member side on the outermost side are equipped with the second locating part B being sheathed on outside the second wheel shaft, The outside of the second locating part B is socketed with the second wheel body, and the card slot that the second wheel shaft fastener one end two sides are equipped with passes through the The card slot that two locating part C are equipped with second wheel shaft one end two sides is connected together, and the end point of second wheel shaft is connected together and has The middle part top of the second wheel shaft locking member being in close contact with the second locating part C, the bottom plate is equipped with top plate, the bottom of the top plate End is equipped with the top plate clamp being linked together with it, and the top plate bayonet opened up in the middle part of the top plate clamp and bottom plate is connected together, institute The end for stating top plate clamp is equipped with bayonet and is connected together with the top plate fastener for being placed in bottom base plate, the end point of described bottom plate one end It is fixed with the end plate clamp being linked together, the bayonet opened up in the middle part of the end plate clamp and end plate is connected together.

As a kind of optimal technical scheme of the utility model, first wheel body includes two panels first wheel piece A, two panels First wheel piece B, first wheel piece A described in two panels is placed between two panels first wheel piece B, and first wheel piece A and the first round The axis of hub piece B is on the same line, if the edge of the first wheel piece A and first wheel piece B equidistantly offer Dry catching groove, four catching grooves being located on the same line are connected together by U-shaped buckle.

As a kind of optimal technical scheme of the utility model, second wheel body includes the wheel of the second wheel hub piece A and second The wheel of hub piece B, the second wheel hub piece A and the second wheel hub piece B are equipped with the first wheel rim piece, the first wheel rim piece two sides between week Several clamps being equipped with respectively with several bayonet cards for being opened up at the marginal surface of the second wheel hub piece A and the second wheel hub piece B Connection is closed, middle part is equipped with the second wheel rim piece, the second wheel rim piece two between the second wheel hub piece A and the second wheel hub piece B Several bayonet cards that several clamps that side is equipped with are opened up with the surface middle part of the second wheel hub piece A and the second wheel hub piece B respectively Close connection.

As a kind of optimal technical scheme of the utility model, offered in the middle part of the first wheel piece A and the first round The first axle hole that shaft size matches offers the aperture greater than first round shaft hole diameter in the middle part of the first wheel piece B, And the first wheel piece A is identical as the diameter of first wheel piece B.

As a kind of optimal technical scheme of the utility model, offered in the middle part of the second wheel hub piece A and the second wheel The second axle hole B, first wheel rim are offered in the middle part of the second axle hole A, the second wheel hub piece B that shaft size matches The length of piece is equal with the wheel circumference of the second wheel hub piece A and the second wheel hub piece B, and circumference is straight after the second wheel rim piece encloses The diameter of diameter and the second axle hole B are all larger than the diameter with the second locating part B.

As a kind of optimal technical scheme of the utility model, offered in the middle part of the first round shaft locking part and first The first chamfering cross aperture that axis shape matches is taken turns, is offered and the second wheel shaft shape in the middle part of the second wheel shaft locking member The second chamfering cross aperture that shape matches.

Compared with prior art, the utility model have it is following the utility model has the advantages that

1) the first wheel shaft and the second wheel shaft are cross, can increase the intensity of wheel shaft, it is ensured that the first wheel body and second Stability when wheeling thereof, avoids wheel shaft from fractureing；

2) the first wheel body by first wheel piece A and crosses first wheel B piece composition, and is fixed by U-shaped buckle assembly, The assembly of the first wheel body, first shaft hole and first of first wheel body in rotation, in the middle part of only first wheel piece A can be rapidly completed Wheel shaft contact, can effectively reduce frictional force of first wheel body during rotation with the first wheel shaft, increase by the first wheeling thereof Fluency；

3) the second wheel hub piece A and the second wheel hub piece B of the second wheel body pass through the first wheel rim piece and the second wheel rim piece card Fixation is connect, the integral strength of the second wheel body can be effectively enhanced, children are during playing the toy car, in the first half of bottom plate When placing the carrier of quality weight, the second wheel body is avoided to deform, and the outside of the second wheel shaft is socketed with the limit of multi-disc first Part B can further increase the intensity of the second wheel shaft；

4) after top plate and end plate and bottom plate assembly are fixed, end plate and bottom plate can be carried out the carrier placed at the top of bottom plate Fixed and limit, avoids children in pushing toy car moving process, and carrier slides from the top of bottom plate；

5) the assembled children toy car of this kind, all parts of car body are assembled by the way of assembled completely, avoid making It is bonded with glue, so that the toy has the preferable feature of environmental protection, while when can increase the assembled toy car of children again Interest is conducive to the exploitation of children's intelligence.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment of the present application；

Fig. 2 is the first wheel body broken away view of the embodiment of the present application；

Fig. 3 is the second wheel body broken away view of the embodiment of the present application；

Fig. 4 is the broken away view of the embodiment of the present application.

In figure: 1, bottom plate；1a1, the first wheel shaft piece；1a2, the first wheel shaft fastener；1a3, the first locating part A；1a4, first Locating part B；1a5, first round shaft locking part；1b1, the second wheel shaft piece；1b2, the second wheel shaft fastener；1b3, the second locating part A； 1b4, the second wheel shaft member；1b5, the second locating part B；1b6, the second locating part C；1b7, the second wheel shaft locking member；1c, top plate card Mouthful；1d, end plate clamp；2, the first wheel body；2a1, first wheel piece A；2a2, first wheel piece B；2a3, U-shaped buckle；3, second Wheel body；3a1, the second wheel hub piece A；3a2, the second wheel hub piece B；3a3, the first wheel rim piece；3a4, the second wheel rim piece；4, top plate； 4a1, top plate fastener；4a2, top plate clamp；5, end plate.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of assembled children toy car, including bottom plate 1, the two sides of bottom plate 1 It is equipped with the first wheel shaft piece 1a1 and the second wheel shaft piece 1b1 that are linked together and extend outward, the end of the first wheel shaft piece 1a1 The opening being equipped in the middle part of place's opening and the first end wheel shaft fastener 1a2 the first wheel shaft of vertical clamping formation, the first wheel shaft is the bottom of close to One end of plate is socketed with the first locating part A, and the outside of the first wheel shaft is socketed with first round body 2, first one end wheel shaft fastener 1a2 two The card slot that side is equipped with is connected together by the card slot that the first locating part B1a4 is equipped with first wheel shaft one end two sides, the first wheel shaft End point, which is connected together, the first round shaft locking part 1a5 being in close contact with the first locating part A1a3, the end of the second wheel shaft piece 1b1 Head place opening the second wheel shaft of clamping formation vertical with the opening that is equipped in the middle part of the second end wheel shaft fastener 1b2, outside the second wheel shaft Portion is socketed with the second locating part A1b3 close to one end of bottom plate 1, and the outside of the second wheel shaft is socketed with several second wheel shaft member 1b4, the second wheel on the outermost side side shaft member 1b4 are equipped with the second locating part B1b5 being sheathed on outside the second wheel shaft, and second The outside of locating part B1b5 is socketed with the second wheel body 3, and the card slot that second wheel shaft one end fastener 1b2 two sides are equipped with passes through the second limit The card slot that part C1b6 is equipped with second wheel shaft one end two sides is connected together, and the end point of the second wheel shaft, which is connected together, to be had and the second limit The middle part top of the second wheel shaft locking member 1b7 that position part C1b6 is in close contact, bottom plate 1 are equipped with top plate 4, and the bottom end of top plate 4 is equipped with The top plate bayonet 1c opened up in the middle part of top plate the clamp 4a2, top plate clamp 4a2 and bottom plate 1 being linked together with it is connected together, top plate The end of clamp 4a2 is equipped with bayonet and is connected together with the top plate fastener 4a1 for being placed in 1 bottom of bottom plate, the end point of 1 one end of bottom plate The bayonet opened up in the middle part of end plate the clamp 1d, end plate clamp 1d and end plate 5 being linked together is fixed with to be connected together.

Preferably, the first wheel body 2 includes two panels first wheel piece A2a1, two panels first wheel piece B2a2, the two panels first round Hub piece A2a1 is placed between two panels first wheel piece B2a2, and first wheel piece A2a1 and the axis of first wheel piece B2a2 are in On same straight line, the edge of first wheel piece A2a1 and first wheel piece B2a2 equidistantly offer several catching grooves, are located at Four catching grooves on same straight line are connected together by U-shaped buckle 2a3, and the assembling of the first wheel body 2 can be rapidly completed, and So that the intensity with higher of the first wheel body 2, avoids the first wheel body 2 from deforming in rotation.

Preferably, the second wheel body 3 includes the second wheel hub piece A3a1 and the second wheel hub piece B3a2, the second wheel hub piece A3a1 and the It is equipped with the first wheel rim piece 3a3 between the wheel week of two wheel hub piece B3a2, several clamps difference that the first two sides wheel rim piece 3a3 are equipped with It is connected together with several bayonets opened up at the marginal surface of the second wheel hub piece A3a1 and the second wheel hub piece B3a2, the second wheel hub Middle part is equipped with the second wheel rim piece 3a4 between piece A3a1 and the second wheel hub piece B3a2, and the second two sides wheel rim piece 3a4 are equipped with several Several bayonets that a clamp is opened up with the surface middle part of the second wheel hub piece A3a1 and the second wheel hub piece B3a2 respectively are connected together, So that the load-bearing property with higher of the second wheel body 3, while facilitating the quick assembling of the second wheel body 3 and the second wheel shaft.

Preferably, the first axle hole to match with first round shaft size is offered in the middle part of first wheel piece A2a1, the The aperture greater than first round shaft hole diameter, and first wheel piece A2a1 and first wheel piece are offered in the middle part of one wheel hub piece B2a2 The diameter of B2a2 is identical, and the first wheel body is in the first wheel shaft surface pivots, only first round at the middle part of first wheel piece A2a1 Axis hole is contacted with the first wheel shaft, frictional force when can effectively reduce the first wheeling thereof with the first wheel shaft.

Preferably, the second axle hole A to match with the second wheel shaft size is offered in the middle part of the second wheel hub piece A3a1, the The length and the second wheel hub piece A3a1 and second of the second axle hole B, the first wheel rim piece 3a3 are offered in the middle part of two wheel hub piece B3a2 The wheel circumference of wheel hub piece B3a2 is equal, and the diameter of circumference and the diameter of the second axle hole B are big after the second wheel rim piece 3a4 is enclosed It, can be by the second wheel hub by the first wheel rim piece 3a3 and the second wheel rim piece 3a4 that are equipped in the diameter with the second locating part B1b5 Piece A3a1 and the second wheel hub piece B3a2 are attached, and the assembling of the second wheel body 3 is rapidly completed.

Preferably, the first chamfering ten to match with first round axis shape is offered in the middle part of first round shaft locking part 1a5 Font aperture offers the second chamfering cross to match with the second wheel axis shape in the middle part of the second wheel shaft locking member 1b7 and opens Hole, by the first round shaft locking part 1a5 and the second wheel shaft locking member 1b7 that are equipped with it is possible to prevente effectively from the first wheel body 2 from first Wheel shaft, which falls off, to fall off with the second wheel body 3 from the second wheel shaft.

When specific, the toy car is installed according to the following steps:

1. the first wheel body 2 is carried out assembly, two panels first wheel piece A2a1 is fitted closely first, it is ensured that the two panels first round The first axle hole of hub piece A2a1 is overlapped to form perforative smooth holes, and two panels first wheel piece B2a2 is then respectively placed in fitting The two sides of two panels first wheel piece A2a1 afterwards, while ensuring the catching groove of first wheel piece A2a1 and the catching groove of first wheel piece B2a2 Then U-shaped buckle 2a3 is fastened on the inside of catching groove by position face, complete the assembly of the first wheel body 2；

2. the second wheel body 3 is carried out assembly, several clamps of the first side wheel rim piece 3a3 are taken turns with second respectively first Several bayonets opened up at hub piece A3a1 marginal surface are connected together one by one, and the first wheel rim piece 3a3 forms the ring of closure at this time Then shape opens up several clamps of the second side wheel rim piece 3a4 several with the second wheel hub piece A3a1 surface middle part respectively A bayonet is connected together one by one, and the second wheel rim piece 3a4 forms the annular of closure at this time, then by the another of the first wheel rim piece 3a3 What side clamp and the clamp of second other side wheel rim piece 3a4 were opened up with the second wheel hub piece B3a2 marginal surface and surface middle part respectively Bayonet is connected together, and completes the assembly of the second wheel body 3；

3. the first wheel body 2 and bottom plate 1 are carried out assembly, first by the end point opening of the first wheel shaft piece 1a1 and the first round The opening being equipped in the middle part of the end axis fastener 1a2 is vertically clamped, and criss-cross first wheel shaft is formed, then by the first locating part A1a3 The criss-cross opening at middle part is clamped with criss-cross first wheel shaft tail portion, then by the first round at 2 middle part of the first wheel body Axis hole is socketed on the outside of first round axis, then by the criss-cross opening and criss-cross first in the middle part of the first locating part B1a4 Wheel shaft is clamped, and is limited at the first wheel shaft using the first locating part A1a3 and the first locating part B1a4 the first wheel body 2 Position prevents the first wheel body 2 from occurring axial displacement in rotation, is detached from the first wheel shaft, finally by first round shaft locking part 1a5 and the The end point of one wheel shaft is engaged, and carries out 45 ° of rotations clockwise, using first round shaft locking part 1a5 by the first locating part B1a4 is limited, and is further prevented the first wheel body 2 that axial displacement occurs in rotation, is detached from the first wheel shaft, completes the first round Body 2 and bottom plate 1 carry out assembly；

4. the second wheel body 3 and bottom plate 1 are carried out assembly, first by the end point opening of the second wheel shaft piece 1b1 and the second wheel The opening being equipped in the middle part of the end axis fastener 1b2 is vertically clamped, and criss-cross second wheel shaft is formed, then by the second locating part A1b3 The criss-cross opening at middle part is clamped with criss-cross second wheel shaft tail portion, then covers the second axis hole A of the second wheel body 3 Set on the outside of the second wheel shaft, then multi-disc second is taken turns to the cross-shaped aperture and criss-cross second opened up in the middle part of shaft member 1b4 Wheel shaft is clamped, and is then clamped the second locating part B1b5 with the second wheel shaft, if dry plate second takes turns shaft member 1b4 and second The access section of locating part B1b5 and the second wheel shaft is placed in the circumference after the second wheel rim piece 3a4 is enclosed, then by the second limit Criss-cross opening in the middle part of part C1b6 is clamped with criss-cross second wheel shaft, utilizes the second locating part A1b3 and second Locating part C1b6 limits the second wheel body 2 at the second wheel shaft, finally by the second wheel shaft locking member 1b7 and the second wheel shaft End point is engaged, and carries out 45 ° of rotations clockwise, is carried out the second locating part C1b6 using the second wheel shaft locking member 1b7 Limit further prevents the second wheel body 3 that axial displacement occurs in rotation, is detached from the second wheel shaft, completes the second wheel body 3 and bottom plate 1 carries out assembly；

5. top plate 4 and bottom plate 1 are installed, the top plate clamp 4a2 of 4 bottom of top plate is inserted vertically into the middle part of bottom plate 1 and is opened If top plate bayonet 1c in, be clamped, conveniently by the bayonet of the end point top plate clamp 4a2 and the top plate for being placed in 1 bottom of bottom plate Fastener 4a1 is connected together, and completes top plate 4 and the installation of bottom plate 1 is fixed；

6. end plate 5 and bottom plate 1 are installed, by 5 middle part the end plate clamp 1d of 1 one end end point of bottom plate and end plate Bayonet is connected together.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of assembly children toy car, including bottom plate (1), which is characterized in that the two sides of the bottom plate (1), which are equipped with, is linked as one Body and the first wheel shaft piece (1a1) and the second wheel shaft piece (1b1) extended outward, the end point of the first wheel shaft piece (1a1) The clamping vertical with the opening being equipped in the middle part of first end wheel shaft fastener (1a2) that is open forms the first wheel shaft, and first wheel shaft leans on One end of nearly bottom plate (1) is socketed with the first locating part A (1a3), and the outside of first wheel shaft is socketed with first round body (2), institute The card slot that first one end two sides wheel shaft fastener (1a2) are equipped with is stated to set by the first locating part B (1a4) and first wheel shaft one end two sides Some card slots are connected together, and the end point of first wheel shaft, which is connected together, the be in close contact with the first locating part A (1a3) One wheel shaft locking member (1a5), end point opening and second end wheel shaft fastener (1b2) middle part of the second wheel shaft piece (1b1) The opening being equipped with, which is vertically clamped, forms the second wheel shaft, and the outside of second wheel shaft is socketed with second close to one end of bottom plate (1) Locating part A (1b3), the outside of second wheel shaft are socketed with several second wheel shaft member (1b4), and on the outermost side described The great wheel arbor part side (1b4) is equipped with the second locating part B (1b5), the second locating part B being sheathed on outside the second wheel shaft The outside of (1b5) is socketed with the second wheel body (3), and the card slot that the second wheel shaft fastener (1b2) one end two sides are equipped with passes through second The card slot that locating part C (1b6) is equipped with second wheel shaft one end two sides is connected together, and the end point of second wheel shaft is connected together There is the second wheel shaft locking member (1b7) being in close contact with the second locating part C (1b6), the middle part top of the bottom plate (1) is equipped with top Plate (4), the bottom end of the top plate (4) are equipped with the top plate clamp (4a2) being linked together with it, the top plate clamp (4a2) and bottom The top plate bayonet (1c) opened up in the middle part of plate (1) is connected together, and the end of the top plate clamp (4a2) is equipped with bayonet and is placed in bottom plate (1) the top plate fastener (4a1) of bottom is connected together, and the end point of described bottom plate (1) one end is fixed with the end plate being linked together The bayonet opened up in the middle part of clamp (1d), the end plate clamp (1d) and end plate (5) is connected together.

2. a kind of assembled children toy car according to claim 1, which is characterized in that first wheel body (2) includes two Piece first wheel piece A (2a1), two panels first wheel piece B (2a2), first wheel piece A (2a1) described in two panels are placed in two panels first Between wheel hub piece B (2a2), and first wheel piece A (2a1) and the axis of first wheel piece B (2a2) are on the same line, The edge of the first wheel piece A (2a1) and first wheel piece B (2a2) equidistantly offer several catching grooves, are located at same Four catching grooves on straight line are connected together by U-shaped buckle (2a3).

3. a kind of assembled children toy car according to claim 1, which is characterized in that second wheel body (3) includes the The wheel week of two wheel hub piece A (3a1) and the second wheel hub piece B (3a2), the second wheel hub piece A (3a1) and the second wheel hub piece B (3a2) Between be equipped with the first wheel rim piece (3a3), several clamps that the first wheel rim piece (3a3) two sides are equipped with respectively with the second wheel hub Several bayonets opened up at the marginal surface of piece A (3a1) and the second wheel hub piece B (3a2) are connected together, the second wheel hub piece Middle part is equipped with the second wheel rim piece (3a4), the second wheel rim piece (3a4) two sides between A (3a1) and the second wheel hub piece B (3a2) Several clamps being equipped with open up with the surface middle part of the second wheel hub piece A (3a1) and the second wheel hub piece B (3a2) several respectively A bayonet is connected together.

4. a kind of assembled children toy car according to claim 2, which is characterized in that the first wheel piece A (2a1) Middle part offers the first axle hole to match with first round shaft size, offers in the middle part of the first wheel piece B (2a2) big In the aperture of first round shaft hole diameter, and the first wheel piece A (2a1) is identical as the diameter of first wheel piece B (2a2).

5. a kind of assembled children toy car according to claim 3, which is characterized in that the second wheel hub piece A (3a1) Middle part offers the second axle hole A to match with the second wheel shaft size, offers in the middle part of the second wheel hub piece B (3a2) Second axle hole B, the wheel of the length of the first wheel rim piece (3a3) and the second wheel hub piece A (3a1) and the second wheel hub piece B (3a2) Circumference is equal, and the diameter of circumference and the diameter of the second axle hole B are all larger than and second after the second wheel rim piece (3a4) encloses The diameter of locating part B (1b5).

6. a kind of assembled children toy car according to claim 1, which is characterized in that the first round shaft locking part The the first chamfering cross aperture to match with first round axis shape, the second wheel shaft locking member are offered in the middle part of (1a5) The the second chamfering cross aperture to match with the second wheel axis shape is offered in the middle part of (1b7).