CN215310192U

CN215310192U - Novel building blocks toy car bottom structure

Info

Publication number: CN215310192U
Application number: CN202121570345.2U
Authority: CN
Inventors: 陈亮
Original assignee: Guangdong Xinyu Technology Industrial Co ltd
Current assignee: Guangdong Xinyu Technology Industrial Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-28
Anticipated expiration: 2031-07-09

Abstract

The embodiment of the utility model discloses a novel vehicle bottom structure of a building block toy vehicle, which comprises a first shell, a first power output module, a second power output module, a power supply module and a second shell buckled above the first shell, wherein a first containing cavity is formed in the first shell, a first clamping structure, a second clamping structure and a third clamping structure are respectively arranged in the first containing cavity along the length direction of the first shell, the first power output module, the second power output module and the power supply module are respectively and fixedly arranged in the first clamping structure, the second clamping structure and the third clamping structure, and a second containing cavity is inwards formed in the second shell. The toy car body bottom is formed and spliced into different shapes, the three-stage gears are not required to be placed left and right in a distinguishing mode, and the toy car body bottom is suitable for automatic production and production efficiency is improved.

Description

Novel building blocks toy car bottom structure

Technical Field

The utility model relates to the technical field of building block toy vehicles, in particular to a novel bottom structure of a building block toy vehicle.

Background

The toy vehicle can be said to be one of the favorite toys of children. In life, a child can often find that the child curiously disassemble the toy car to explore the reason of the movement of the toy car in the process of experiencing the magical forward and backward movement of the toy car. At present, toy vehicles on the market are various and are manufactured well, but all components of the toy vehicles are assembled and fixed when leaving a factory, and cannot be assembled and restored to original shapes after being disassembled by children. On the other hand, the building block toy is used as a good partner for every child, and plays an important role in promoting the growth of the child. The teaching game machine can train the hand-eye coordination ability of children, stimulate the brain of the children, promote the independent thinking of the children and inspire the creativity of the children in the game process, thereby achieving the purpose of teaching through lively activities.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiment of the utility model is to provide a novel bottom structure of a building block toy car.

In order to solve the above technical problems, an embodiment of the present invention provides a novel vehicle bottom structure of a building block toy vehicle, including a first housing, a first power output module, a second power output module, a power supply module, and a second housing fastened above the first housing, wherein a first cavity is formed in the first housing, a first clamping structure, a second clamping structure, and a third clamping structure are respectively disposed in the first cavity along a length direction of the first housing, the first clamping structure and the second clamping structure are respectively opposite to two side walls of the first cavity in a length direction, the first power output module, the second power output module, and the power supply module are respectively and fixedly disposed in the first clamping structure, the second clamping structure, and the third clamping structure, and the first power output module, the second clamping structure, and the third clamping structure are respectively, The second power output module is electrically connected with the power supply module respectively, and a second cavity for accommodating the first power output module, the second power output module and the power supply module is formed in the second shell;

the first shell and the second shell are connected in a clamping mode.

Preferably, the first power output module comprises a micro motor, a high-speed gear, a secondary gear and a tertiary gear, and the micro motor, the high-speed gear, the secondary gear and the tertiary gear are respectively arranged in the first clamping structure in a meshing transmission manner along the length direction of the first shell;

the top and the bottom of the third-stage gear are respectively provided with a first transmission shaft and a second transmission shaft in an outward protruding mode, and the end parts of the first transmission shaft and the second transmission shaft are respectively provided with a cross groove;

the edge of the outer side surface of the first shell and the edge of the outer side surface of the second shell in the length direction are respectively provided with a first semicircular through groove and a second semicircular through groove which correspond to the first transmission shaft/the second transmission shaft.

Preferably, the first clamping structure comprises a gear limiting structure and a micro motor limiting structure, and the gear limiting structure and the micro motor limiting structure are arranged at intervals along the length direction of the first shell from one side of the sound source device;

gear limit structure includes first backup pad, a pair of second backup pad, first backup pad with first semicircle leads to the groove relative, a pair of first backup pad a pair of second backup pad set up in first backup pad with between the micromotor limit structure, a pair of second backup pad with a pair of first backup pad setting of staggering, high-speed gear set up in between a pair of second backup pad, second grade gear set up in between a pair of first backup pad, tertiary gear set up in first backup pad with between the first semicircle leads to the groove.

Preferably, the first support plate is provided with a third semicircular through groove from the top to the bottom, the third semicircular through groove is opposite to the first semicircular through groove, and the peripheries of the first transmission shaft and the second transmission shaft are respectively arranged on the third semicircular through groove and the first semicircular through groove;

a first notch and a second notch are respectively formed in the pair of first supporting plates from the top downwards, a first stop plate is arranged between the side face of the first accommodating cavity in the length direction and the first notch, a first concave position is downwards arranged on the top face of the first stop plate, the first concave position is communicated with the first notch, a first limiting column penetrates through the center of the secondary gear, and two ends of the first limiting column are respectively arranged on the second notch and the first concave position;

a third notch and a fourth notch are respectively formed in the pair of second supporting plates from the top to the bottom, a second stop plate is arranged between the side face in the length direction in the first accommodating cavity and the third notch, a second concave position is downwards arranged on the top face of the second stop plate, the second concave position is communicated with the third notch, a second limiting column penetrates through the center of the high-speed gear, and two ends of the second limiting column are respectively arranged on the fourth notch and the second concave position;

the top surface of the second cavity extends downwards to form a first limiting convex plate corresponding to the first supporting plate, the first notch and the third notch.

Preferably, the micro motor limiting structure comprises a pair of third supporting plates, the pair of third supporting plates are arranged at intervals respectively, a fifth notch and a sixth notch are formed in the pair of third supporting plates from top to bottom respectively, the micro motor is arranged between the pair of third supporting plates, the periphery of the end part of the micro motor is arranged on the fifth notch, and the tail end of the output shaft of the micro motor penetrates through the sixth notch;

and a pair of fourth supporting plates corresponding to the pair of third supporting plates are arranged on the top surface of the second accommodating cavity.

Preferably, a first gear column is arranged at the center of the surface of the high-speed gear, a second gear column is arranged at the center of the surface of the secondary gear, the high-speed gear is in meshing transmission with an output shaft of the micro motor, the secondary gear is in meshing transmission with the first gear column, the tertiary gear is in meshing transmission with the second gear column, and the micro motor drives the high-speed gear to rotate, so that the first transmission shaft and the second transmission shaft output rotary power;

the overall structure of the second power output module is consistent with that of the first power output module, the overall structure of the second clamping structure is consistent with that of the first clamping structure, and the connection structure of the second power output module and the second clamping structure is consistent with that of the first power output module, and therefore the description is omitted.

Preferably, the power supply module comprises a battery, a charging interface, a switch and a control circuit board, the battery is electrically connected with the control circuit board, the charging interface and the switch are respectively welded on the control circuit board, and the control circuit board and the battery are respectively and fixedly arranged on the third clamping structure;

the third clamping structure comprises a pair of first clamping blocks and a pair of second clamping blocks, the pair of first clamping blocks and the pair of second clamping blocks are arranged at intervals along the length direction of the first shell, and the lower parts of the battery and the control circuit board are respectively arranged between the pair of first clamping blocks and between the pair of second clamping blocks;

a pair of third clamping blocks and a pair of fourth clamping blocks corresponding to the pair of first clamping blocks and the pair of second clamping blocks are arranged on the top surface in the second accommodating cavity, the upper parts of the battery and the control circuit board are respectively arranged between the pair of third clamping blocks and between the pair of fourth clamping blocks, and a first avoidance groove and a second avoidance groove corresponding to the top surfaces of the battery and the control circuit board are respectively arranged on the top surface in the second accommodating cavity;

the bottom surface of first casing be provided with charge the interface, the corresponding first logical groove of switch, second lead to the groove.

Preferably, a sound source device is arranged on one side in the first accommodating cavity, an annular boss is arranged between one side in the first accommodating cavity and the first clamping structure, and the sound source device is fixedly arranged in the annular boss;

the annular boss is arranged on one side of the bottom surface of the first cavity in a protruding mode, a containing concave position is formed between the inner wall of the annular boss and the bottom surface of the first cavity, and the sound source device is fixedly arranged in the containing concave position;

and the bottom surface of the first shell is provided with sound transmission holes corresponding to the sound source device.

Preferably, two side walls in the length direction of the first accommodating cavity are respectively provided with a plurality of limiting cylindrical seats in a protruding manner, and two side walls in the length direction of the second accommodating cavity are respectively provided with a plurality of positioning columns corresponding to the limiting cylindrical seats;

the peripheral edge of the inner wall of the first cavity and the peripheral edge of the inner wall of the second cavity are respectively provided with a buckle and a square hole which correspond to each other;

the side wall all around of first casing the second casing is provided with a plurality of first bolt holes, a plurality of second bolt hole respectively, the bottom surface of first casing with the top surface of second casing is provided with a plurality of first locator card posts and a plurality of second locator card post respectively, a plurality of first locator card posts be rectangular array distribution set up in the bottom surface of first casing, a plurality of second locator card posts be rectangular array distribution set up in the top surface of second casing.

Preferably, an external function circuit board is arranged in the second accommodating cavity, a pair of positioning columns is arranged on one side of the top surface of the second accommodating cavity, the pair of positioning columns is opposite to the sound source device, a pair of through holes corresponding to the pair of positioning columns are formed in the surface of the external function circuit board, the pair of positioning columns are connected with the pair of through holes through screw threads, and connecting slots corresponding to the external function circuit board are formed in the top surface of the second shell.

The embodiment of the utility model has the following beneficial effects: the utility model provides power output and simultaneously integrates a combined playing method of building blocks, can form a chassis of the toy car and be spliced into different shapes, effectively increases the interest and the playability of the building blocks in the splicing process, simultaneously effectively develops the brain of children, and improves the intelligence and the practical ability of the children.

The three-level gear is not required to be placed in a left-right mode, so that the gear is suitable for automatic production, the production cost is effectively reduced, and the production efficiency is improved.

The power output module is arranged in the first shell in an open mode, so that the power output module is convenient to replace, and children can visually know the transmission principle and manually disassemble and assemble the power output module.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall structure of the present invention;

FIG. 3 is a bottom view of a first housing in accordance with the present invention;

FIG. 4 is a schematic diagram of the overall construction of a first power output module of the present invention;

FIG. 5 is a schematic structural diagram of a first detent structure according to the present invention;

FIG. 6 is an enlarged schematic view of a portion A of FIG. 1;

FIG. 7 is a schematic view of a second chamber according to the utility model;

fig. 8 is an enlarged schematic view of a portion B of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to the structural schematic diagram shown in fig. 1, a novel vehicle bottom structure of a building block toy vehicle according to an embodiment of the present invention includes a first housing 1, a sound source device 2, an external functional circuit board 3, a first power output module 4, a second power output module 5, a power supply module 6, and a second housing 7 fastened above the first housing 1, the first housing 1 has a first cavity 11 therein, the first cavity 11 is internally provided with an annular boss 12, a first clamping structure 13, a second clamping structure 14, and a third clamping structure 15 along a length direction of the first housing 1, the first clamping structure 13 and the second clamping structure 14 are respectively opposite to a side wall of the first cavity 11 in the length direction, the sound source device 2 is fixedly disposed in the annular boss 12, the first power output module 4, the second power output module 5, and the power supply module 6 are respectively fixedly disposed in the first clamping structure 13, the second clamping structure 7, and the third clamping structure 15, In the second clamping structure 14 and the third clamping structure 15, the first power output module 4 and the second power output module 5 are respectively electrically connected with the power supply module 6. The second housing 7 has a second cavity 71 for accommodating the external functional circuit board 3, the first power output module 4, the second power output module 5 and the power supply module 6.

Two side walls in the length direction of the first accommodating cavity 11 are respectively provided with a plurality of limiting cylindrical seats 11-1 in a protruding mode, the end portions of the limiting cylindrical seats 11-1 are inwards provided with positioning holes 11-1-1, and two side walls in the length direction of the second accommodating cavity 71 are respectively provided with a plurality of positioning columns 71-1 corresponding to the positioning holes 11-1-1.

The peripheral edge of the inner wall of the first cavity 11 and the peripheral edge of the inner wall of the second cavity 71 are respectively provided with a square hole 11A and a buckle 71A which are corresponding to each other, and the second shell 7 is respectively inserted into the positioning hole 11-1-1 through a plurality of positioning columns 71-1 and is buckled with the square hole 11A through the buckle 71A.

Compared with the common screw locking in the prior art, the first shell and the second shell of the utility model have the following advantages by adopting a buckling structure:

effectively reducing the production cost and the production efficiency and being more suitable for an automatic production line.

The assembly and disassembly are convenient, the tool is not needed, and the children can assemble freely.

Referring to fig. 2, the side walls of the first and

second housings

1 and 7 are respectively provided with a plurality of first and

second latch holes

1A and 7A, the bottom surface of the first housing 1 and the top surface of the second housing 7 are respectively provided with a plurality of first and second

positioning clip columns

1B and 7B, the first positioning clip columns 1B are arranged on the bottom surface of the first housing 1 in a rectangular array, the second positioning clip columns 7B are arranged on the top surface of the second housing 7 in a rectangular array, the present invention provides power output and combined play of building blocks by arranging the first positioning clip columns 1B, the second positioning clip columns 7B, the first latch holes 1A and the second latch holes 7A, a chassis of a toy car can be formed and put together into different shapes by different ideas of children, or put together into a designated shape by a designated instruction book, the utility model effectively increases the interest and the playability of the utility model in the process of splicing, simultaneously effectively develops the brain of the children and improves the intelligence and the practical ability of the children.

Referring to fig. 1, 2 and 3, an annular boss protrusion 12 is disposed on one side of the bottom surface of the first cavity 11, an accommodating recess 12-1 is formed between the inner wall of the annular boss 12 and the bottom surface of the first cavity 11, and the sound source device 2 is fixedly connected in the accommodating recess 12-1. The bottom surface of the first casing 1 is provided with a sound transmitting hole 1C corresponding to the sound source device 2, and the sound transmitting hole 1C is favorable for outward propagation of sound emitted by the sound source device 2 placed in the first accommodating cavity 11.

The sound source device of the embodiment of the utility model is a loudspeaker.

Referring to fig. 1 and 4, the first power output module 4 includes a micro motor 41, a high speed gear 42, a secondary gear 43, and a tertiary gear 44, wherein the micro motor 41, the high speed gear 42, the secondary gear 43, and the tertiary gear 44 are respectively disposed in the first locking structure 13 in a meshing transmission manner along the length direction of the first housing 1, and the tertiary gear 44 is close to the sound source device 2.

The top and the bottom of the third-stage gear 44 are respectively provided with a first transmission shaft 44A and a second transmission shaft 44B which are protruded outwards, and the first transmission shaft 44A and the second transmission shaft 44B are integrated with the third-stage gear 44 in the embodiment of the utility model. The ends of the first transmission shaft 44A and the second transmission shaft 44B are provided with a cross groove 44C, respectively, and the cross groove 44C provides a rotational power output.

The first and second semicircular through

grooves

16 and 72 corresponding to the first and

second transmission shafts

44A and 44C are respectively formed at the outer side edges in the longitudinal direction of the first and

second housings

1 and 7, so that the first and

second transmission shafts

44A and 44B are prevented from interfering with the first and

second housings

1 and 7 when the third-stage gear rotates 44.

Referring to fig. 1, 5, and 6, the first locking structure 13 includes a gear limiting structure 131 and a micro motor limiting structure 132, the gear limiting structure 131 and the micro motor limiting structure 132 are spaced apart from one side of the sound source device 2 along the length direction of the first housing 1, the high-speed gear 42, the second-stage gear 43, and the third-stage gear 44 are respectively engaged with each other and disposed in the gear limiting structure 131, and the micro motor 41 is limited and disposed in the micro motor limiting structure 132.

The gear limiting structure 131 comprises a first supporting plate 131-1, a pair of first supporting plates 131-2 and a pair of second supporting plates 131-3, the first supporting plate 131-1 is opposite to the first semicircular through slot 16, the pair of first supporting plates 131-2 and the pair of second supporting plates 131-3 are arranged between the first supporting plate 131-1 and the micromotor limiting structure 132, the pair of second supporting plates 131-3 and the pair of first supporting plates 131-2 are arranged in a staggered mode, the high-speed gear 43 is fixedly connected between the pair of second supporting plates 131-3, the secondary gear 43 is fixedly connected between the pair of first supporting plates 131-2, and the tertiary gear 44 is fixedly connected between the first supporting plate 131-1 and the first semicircular through slot 16.

The first support plate 131-1 is provided with a third semicircular through groove 131-1-1 from the top downwards, the third semicircular through groove 131-1-1 is opposite to the first semicircular through groove 16, and a first transmission shaft 44A and a second transmission shaft 44B of the third-stage gear 44 are respectively and fixedly connected to the third semicircular through groove 131-1-1 and the first semicircular through groove 16.

The pair of first supporting plates 131-2 are respectively provided with a first notch 131-2-1 and a second notch 131-2-2 from the top to the bottom, and the first notch 131-2-1 and the second notch 131-2-2 are arc-shaped in the embodiment of the utility model. A first stop plate 11B is arranged between the side surface of the first accommodating cavity 11 in the length direction and the first notch 131-2-1, a first concave position 11B-1 is arranged downwards on the top surface of the first stop plate 1B, the first concave position 11B-1 is communicated with the first notch 131-2-1, a first limit column (not shown in the figure) penetrates through the center of the secondary gear 43, and two ends of the first limit column are respectively fixedly connected to the second notch 131-2-2 and the first concave position 11B-1, so that the secondary gear 43 is limited between the pair of first support plates 131-2.

The pair of second supporting plates 131-3 are respectively provided with a third gap 131-3-1 and a fourth gap 131-3-2 from the top to the bottom, and the third gap 131-3-1 and the fourth gap 131-3-2 are arc-shaped in the embodiment of the utility model. A second stop plate 11C is arranged between the side surface of the first accommodating cavity 11 in the length direction and the third notch 131-3-1, a second concave position 11C-1 is arranged downwards on the top surface of the second stop plate 11C, the second concave position 11C-1 is communicated with the third notch 131-3-1, a second limiting column (not shown in the figure) penetrates through the center of the high-speed gear 42, and two ends of the second limiting column are fixedly connected to the fourth notch 131-3-2 and the second concave position 11C-1 respectively, so that the high-speed gear 42 is limited between the pair of second supporting plates 131-3.

Referring to fig. 7, the top surface of the second cavity 7 extends downwards to form a first limiting convex plate 7C corresponding to the first support plate 131-1, the first notch 131-2-1 and the third notch 131-3-1. When the second housing 7 is fastened to the first housing 1, the first limit protruding plate 7C limits the up-and-down movement of the high-speed gear 42, the secondary gear 43, and the tertiary gear 44.

Referring to fig. 1, 5 and 8, the micro motor limiting structure 132 includes a pair of third supporting plates 132-1, the pair of third supporting plates 132-1 are respectively disposed at intervals, and the pair of third supporting plates 132-1 are respectively provided with a fifth notch 132-1-1 and a sixth notch 132-1-2 from the top to the bottom, where the fifth notch and the sixth notch are arc-shaped in the embodiment of the present invention. The micro motor is fixedly connected between the pair of third supporting plates, the output shaft of the micro motor is provided with the fifth notch, and the tail end of the output shaft of the micro motor penetrates through the sixth notch.

Referring to fig. 7, a pair of fourth supporting plates 71B corresponding to the pair of third supporting plates 132-1 is disposed on the top surface of the second cavity 71, and when the second housing 7 is fastened to the first housing 1, the up-and-down movement of the micro motor 41 is limited by the pair of third supporting plates 132-1 and the pair of fourth supporting plates 71B.

Referring to fig. 4, a first gear column 42-1 is disposed at the center of the surface of the high-speed gear 42, a second gear column 43-1 is disposed at the center of the surface of the secondary gear 43, the high-speed gear 42 is in meshing transmission with the output gear 41-1 of the micro motor 41, the secondary gear 43 is in meshing transmission with the first gear column 42-1, and the tertiary gear 44 is in meshing transmission with the second gear column 43-1, so that the first transmission shaft 44A and the second transmission shaft 44B output rotary power.

Compared with the unidirectional output in the prior art, the three-level gear provided by the embodiment of the utility model has the advantages that the left and right positions are not required to be distinguished when the three-level gear is placed in the first cavity, the three-level gear is suitable for automatic production, the production cost is effectively reduced, and the production efficiency is improved.

The overall structure of the second power output module of the embodiment of the utility model is identical to that of the first power output module, and is not further described here.

In the embodiment of the utility model, the overall structure of the second clamping structure is consistent with that of the first clamping structure, and the connection structure of the second power output module and the second clamping structure is consistent with that of the first power output module, so that the description is not repeated.

Referring to fig. 1, the power module 6 includes a battery 61, a charging interface 62, a switch 63, and a control circuit board 64, the battery 61 is electrically connected to the control circuit board 64, the charging interface 62 and the switch 63 are respectively welded to the control circuit board 64, the micro motor 41 of the first power output module 4 and the micro motor 51 of the second power output module 5 are respectively electrically connected to the control circuit board 64, the first power output module and the second power output module are powered and functionally controlled by the control circuit board and the battery, and the control circuit board 64 and the battery 61 are respectively and fixedly disposed on the third clamping structure 15.

Referring to fig. 3 again, the bottom surface of the first housing 1 is provided with a first through groove 17 and a second through groove 18 corresponding to the charging interface 62 and the switch 63, and the charging interface 62 and the switch 63 are respectively inserted into the first through groove 17 and the second through groove 18, so that a user can conveniently operate the charging interface 62 and the switch 63.

Referring to fig. 5, the third locking structure 15 includes a pair of first locking blocks 151 and a pair of second locking blocks 152, the cross sections of the pair of first locking blocks 151 and the pair of second locking blocks 152 are in a door shape, the pair of first locking blocks 151 are respectively longitudinally and symmetrically disposed, the pair of second locking blocks 152 are respectively longitudinally and symmetrically disposed, and the pair of first locking blocks 151 and the pair of second locking blocks 152 are disposed on the bottom surface of the first accommodating cavity 11 at intervals along the length direction of the first housing 1. The lower portion 61 of the battery is fixed between the pair of first clamping blocks 151, and the lower portion of the control circuit board 64 is fixed between the pair of second clamping blocks 152.

As shown in fig. 7, a pair of third locking blocks 71C and a pair of fourth locking blocks 71D corresponding to the pair of first locking blocks 151 and the pair of second locking blocks 152 are disposed on the top surface of the second cavity 71, and the upper portions of the battery 61 and the control circuit board 64 are respectively and fixedly connected between the pair of third locking blocks 71C and the pair of fourth locking blocks 71D. The top surface in the second accommodating cavity 71 is provided with a first avoidance groove 71E and a second avoidance groove 71F corresponding to the top surfaces of the battery 61 and the control circuit board 64, so that when the second casing 7 is buckled on the first casing 1, the interference between the top surfaces of the battery 61 and the control circuit board 64 and the top surface in the second accommodating cavity 71 is avoided.

Referring to fig. 1, a pair of positioning columns 71G is disposed on one side of the top surface of the second cavity 71, the pair of positioning columns 71G is opposite to the sound source device 2, the pair of positioning columns 71G is diagonally disposed, a pair of through holes 31 corresponding to the pair of positioning columns 71G is disposed on the surface of the external functional circuit board 3, and the pair of positioning columns 71G and the pair of through holes 31 are connected by screws and threads, so that the external functional circuit board 3 is limited in the second cavity 71. The external function circuit board 71G is electrically connected to the control circuit board 64.

The top surface of the second housing 7 is provided with a connection slot 73 corresponding to the external functional circuit board 3, and the connection slot of the embodiment of the present invention is prior art and will not be described herein. The interest and the playability of the utility model are improved by arranging the external functional circuit board.

It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the utility model are covered in the protection scope of the utility model.

Claims

1. A novel vehicle bottom structure of a building block toy vehicle is characterized by comprising a first shell, a first power output module, a second power output module, a power module and a second shell arranged above the first shell in a buckled mode, wherein a first accommodating cavity is formed in the first shell, a first clamping structure, a second clamping structure and a third clamping structure are respectively arranged in the first accommodating cavity along the length direction of the first shell, the first clamping structure and the second clamping structure are respectively opposite to the two side walls of the first accommodating cavity in the length direction, the first power output module, the second power output module and the power module are respectively and fixedly arranged in the first clamping structure, the second clamping structure and the third clamping structure, the first power output module and the second power output module are respectively and electrically connected with the power module, a second cavity for accommodating the first power output module, the second power output module and the power supply module is formed in the second shell;

the first shell and the second shell are connected in a clamping mode.

2. The novel vehicle bottom structure of building block toy vehicle as claimed in claim 1, wherein the first power output module comprises a micro motor, a high-speed gear, a secondary gear and a tertiary gear, and the micro motor, the high-speed gear, the secondary gear and the tertiary gear are respectively arranged in the first clamping structure in a meshing transmission manner along the length direction of the first shell;

3. The novel vehicle bottom structure of building block toy vehicle as claimed in claim 2, wherein the first position-limiting structure comprises a gear position-limiting structure and a micro motor position-limiting structure, and the gear position-limiting structure and the micro motor position-limiting structure are arranged at intervals along the length direction of the first shell from one side of the sound source device;

4. The novel vehicle bottom structure of a building block toy vehicle as claimed in claim 3, wherein a third semicircular through groove is formed in the first supporting plate from the top downward, the third semicircular through groove is opposite to the first semicircular through groove, and peripheries of the first transmission shaft and the second transmission shaft are respectively arranged on the third semicircular through groove and the first semicircular through groove;

5. The novel vehicle bottom structure of the building block toy vehicle as claimed in claim 4, wherein the micro motor limiting structure comprises a pair of third supporting plates, the pair of third supporting plates are respectively arranged at intervals, the pair of third supporting plates are respectively provided with a fifth notch and a second sixth notch from the top downwards, the micro motor is arranged between the pair of third supporting plates, the periphery of the end part of the micro motor is arranged on the fifth notch, and the tail end of the output shaft of the micro motor is arranged in the sixth notch in a penetrating manner;

6. The novel vehicle bottom structure of a building block toy vehicle as claimed in claim 5, wherein a first gear post is arranged at the center of the surface of the high-speed gear, a second gear post is arranged at the center of the surface of the secondary gear, the high-speed gear is in meshing transmission with an output shaft of the micro motor, the secondary gear is in meshing transmission with the first gear post, the tertiary gear is in meshing transmission with the second gear post, and the micro motor drives the high-speed gear to rotate, so that the first transmission shaft and the second transmission shaft output rotary power;

7. The novel vehicle bottom structure of the building block toy vehicle as claimed in claim 1, wherein the power supply module comprises a battery, a charging interface, a switch and a control circuit board, the battery is electrically connected with the control circuit board, the charging interface and the switch are respectively welded on the control circuit board, and the control circuit board and the battery are respectively fixed on the third clamping structure;

8. The novel vehicle bottom structure of the building block toy vehicle as claimed in claim 1, wherein a sound source device is arranged on one side in the first cavity, an annular boss is arranged between one side in the first cavity and the first clamping structure, and the sound source device is fixedly arranged in the annular boss;

9. The novel vehicle bottom structure of the building block toy vehicle as claimed in claim 8, wherein a plurality of limiting cylindrical seats are respectively convexly arranged on two side walls in the length direction of the first cavity, and a plurality of positioning columns corresponding to the plurality of limiting cylindrical seats are respectively arranged on two side walls in the length direction of the second cavity;

10. A novel building block toy car bottom structure as claimed in claim 9, wherein the second chamber is provided with an external functional circuit board, the second chamber is provided with a pair of positioning columns on one side of the top surface, the pair of positioning columns is opposite to the sound source device, the surface of the external functional circuit board is provided with a pair of through holes corresponding to the pair of positioning columns, the pair of positioning columns is connected with the pair of through holes through screw threads, and the top surface of the second casing is provided with a connecting slot corresponding to the external functional circuit board.