WO2015027461A1

WO2015027461A1 - Running wheel

Info

Publication number: WO2015027461A1
Application number: PCT/CN2013/082658
Authority: WO
Inventors: 樊书印
Original assignee: Fan Shuyin
Priority date: 2013-08-26
Filing date: 2013-08-30
Publication date: 2015-03-05
Also published as: CN103418143A

Abstract

A running wheel comprising a vehicle body (100), wheels (4), a drive motor (5), and gearboxes (8) connected to the wheels (4) and to the drive motor (5). Arranged within the vehicle body (100) is a limiting structure used for limiting the gearboxes (8). Because the limiting structure used for limiting the gearboxes (8) is arranged on the vehicle body (100) of the running wheel, fixing of the gearboxes (8) is facilitated for the vehicle body, and, with the gearboxes (8) being limited by the limiting structure, the gearboxes (8) are prevented from swaying, and gears (9) within the gearboxes (8) are prevented from swaying, thus ensuring the stability of the fit among the gearboxes (8), the wheels (4), and the drive motor (5).

Description

a mad round

[Technical Field]

The present invention relates to the field of toys and, more particularly, to a mad wheel. 【Background technique】

Some toy cars such as toy cars and crazy running wheels generally have two types of automatic control and wireless control. The wireless control is generally controlled by an infrared remote control. The remote control of a toy car such as a toy car or a mad running wheel has a built-in battery for power supply. Once the battery in the remote control is used up, it needs to be replaced, so you need to replace the battery frequently, which is more expensive.

I designed a crazy running wheel, including a car body and a remote controller for controlling the car body. The remote controller includes a USB connector and a plug connected to the computer and fixed in a box, and the car body includes an interface that is plugged into the plug. When the USB connector is connected to the computer, the battery in the car body and the remote control can be charged at the same time. The vehicle body includes an upper casing, a lower casing, and a gearbox directly fixed when the upper casing and the lower casing are fixed. The wheel further includes a wheel and a driving motor connected through the gearbox, thereby driving the driving motor to the wheel. This program is not open. The gearbox is fixed directly by the fixing of the upper and lower casings, and the fixing is not strong enough to ensure the normal connection of the gearbox and the gears and the drive motor.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a mad running wheel with a fixed gear box.

The object of the present invention is achieved by the following technical solutions: a mad running wheel, including a vehicle body, a wheel, a driving motor, and a gear box connecting the wheel and the driving motor, wherein the vehicle body is provided with a limit for the said The limit structure of the gearbox.

Preferably, the housing comprises an upper shell and a lower shell, and the limiting structure comprises a support plate disposed on the lower shell for supporting the gear box. The support plate supports the gear box to control the height of the gear box, and the height is adjusted to facilitate the engagement of the wheels. The height of the support plate can be appropriately set according to requirements. Preferably, the vertical cross section of the lower case is curved, the support plate is located on the bottom wall of the lower case, and the support plate extends on the side wall of the lower case for limiting the gear box Extension. An extension is provided on the side wall of the lower casing to lock the gearbox to prevent the gearbox from moving or shaking, and the gearbox is fixed by the upper casing and the lower casing.

Preferably, the gear box includes an upper cover and a lower cover fixed by screws, and the upper cover and the lower cover are provided with protruding screw holes at the mating end of the support plate, and the support plate is provided for the placement The first opening of the screw hole column. The first opening and the screw hole post are arranged for the card position to further limit the gear box to prevent it from shaking, which is convenient for fixing and makes the fixing more firm.

Preferably, the bottom wall of the lower casing is provided with at least two spaced-apart fixing plates which are upwardly convex, and the gear box is provided with a convex plate for being placed between the fixed plates. The width of the convex plate is slightly smaller than the distance between the adjacent two fixed plates, so that the convex plate is placed between the fixed plates, and the convex plate on the gear box is placed between the fixed plates on the lower case, and is fixed by the limit. Therefore, the gear box is fixed in a limit position, so that the placement is more stable and the fixing is facilitated.

Preferably, the fixing plates are three, and the convex plates are two. The three fixed plates and the two convex plates are matched, and the fixed area of the gear box is fixed, and the effect is better.

Preferably, at least one of the fixing plates is provided with a reinforcing rib. Setting the ribs increases the strength of the fixed plate.

Preferably, the upper casing is provided with a limiting plate for limiting the gear box, and the limiting plate and the side wall of the gear box are in close contact when the upper casing and the lower casing are fixed. The underside of the gearbox cooperates with the support plate on the lower casing, and the upper plate cooperates with the limiting plate on the upper casing; in the other two directions, the limiting structure is fixed by other limiting structures, so that the gear is fixed when the upper casing and the lower casing are fixed. The box is firmly fixed in the housing to ensure stable engagement between the gear assembly and the wheel in the gearbox.

Preferably, the support plate and the limiting plate are both. The two support plates and the limit plates provide better fixing of the gearbox.

Preferably, the gearbox includes a first gear coupled to the wheel, a second gear meshing with the drive motor, and a third gear meshing with the first gear and the second gear; the lower casing sidewall is provided for The second opening of the first gear is avoided; the gear box is provided with a fixing portion for placing the first gear, and a side wall of the fixing portion and a side wall of the second opening edge are engaged. The fixing portion of the gear box cooperates with the side wall at the second opening of the lower casing, and the side wall at the second opening acts to limit the fixing portion, thereby restraining the gear box from shaking.

The invention is provided with a limit structure for limiting the gear box on the body of the mad wheel, which is convenient for the vehicle body to fix the gear box, and the limit structure limits the gear box, thereby preventing the gear box from shaking, thereby preventing the gear The gears in the box are shaken to ensure the stability of the gearbox and the wheel and the drive motor.

[Description of the Drawings]

1 is a schematic overall view of a mad wheel according to an embodiment of the present invention;

2 is a schematic exploded view of a vehicle body according to an embodiment of the present invention;

3 is a schematic structural view of an upper case according to an embodiment of the present invention;

4 is a schematic structural view of a lower case according to an embodiment of the present invention;

Figure 5 is a view of the gear box of the embodiment of the present invention;

Figure 6 is another view of the gearbox of the embodiment of the present invention.

Among them: 1, upper shell; 11, limit plate; 12, card board; 100, car body; 110 interface; 120, switch; 2, lower shell; 21, support plate; 200, remote control; 210, connecting line; 211, extending portion; 212, first opening; 22, fixing plate; 23, reinforcing rib; 24, second opening; 3, protective cover; 4, wheel; 41, anti-slip 圏; 42, fixed shell; Gear; 5, drive motor; 6, circuit board; 7, battery; 8, gear box; 81, screw hole column; 82, convex plate; 83, fixed part; 84, first gear; 9, gear.

【detailed description】

The invention will now be further described with reference to the drawings and preferred embodiments.

The invention discloses a mad running wheel, as shown in FIG. 1 to FIG. 6, comprising a vehicle body 100, a wheel 4, a driving motor 5, and a gear box 8 connecting the wheel 4 and the driving motor 5, wherein the vehicle body 100 is provided Used for Limiting the limit structure of the gear box 8. The present invention is provided with a limit structure for the limit gear box 8 on the body 100 of the mad wheel, which facilitates the fixing of the gear box 8 by the vehicle body 100, and the limit structure limits the gear box 8, thereby preventing the gear box 8 from shaking. Further, the gear 9 in the gear case 8 can be prevented from rattling, thereby ensuring the stability of the cooperation of the gear case 8 with the wheel 4 and the drive motor 5.

As shown in Fig. 1, the mad wheel further includes a remote controller 200 for controlling the vehicle body 100. The remote controller 200 is provided with a plug connected to the vehicle body 100, and the vehicle body 100 is provided with an interface 110 for plug insertion. The plug is connected to the circuit board of the remote controller 200 via the connection line 210; the remote controller 200 includes a USB connector connected to the computer, and the USB connector is telescopically fixed in the housing of the remote controller 200, that is, a concealed design. The USB connector and computer connection charge the battery in the remote control 200. 2, the interface 110 is directly fixed to the circuit board 6 of the vehicle body 100. The circuit board 6 of the vehicle body 100 is connected to the battery 7 of the vehicle body 100 through a wire. When the plug is inserted into the interface 110, the USB connector can also be The battery 7 in the vehicle body 100 is charged, so that it is not necessary to replace the battery 7 frequently, which is convenient for use. At the lower portion of the interface 110 there is a switch 120 for controlling the body 100, and the switch 120 and the interface 110 are fixed together.

As shown in FIG. 1 and FIG. 2, the two sides of the wheel 4 are respectively provided with sliding slots, and the corresponding fixed casing 42 and the casing of the vehicle body 100 are provided with sliding bones matched with the sliding grooves, and when the fixing shells 42 pass the screws When fixed to the housing, the wheel 4 is fixed between the fixed housing 42 and the housing and is rotatable along the slid bone. The wheel 4 is provided with an internal gear 43. The mad wheel further includes a transmission gear that meshes with the internal gear 43. The transmission gear is coupled to the gearbox 8. A gear 9 is fixed in the gearbox 8, and the gear 9 includes a meshing gear. a gear 84, a second gear meshing with the drive motor 5 in the vehicle body 100, and a third gear meshing with the first gear 84 and the second gear, the diameters of the first gear 84, the third gear and the second gear are gradually reduced Small, the diameter of the gear on the driving motor 5 is smaller than the diameter of the second gear, and the diameter of the first gear 84 and the diameter of the transmission gear are approximately equal, so that the wheel 4 can be decelerated to prevent the vehicle body 100 from running too fast. damage.

As shown in FIG. 2, the housing of the vehicle body 100 includes an upper casing 1 and a lower casing 2. Referring to FIG. 4, the limiting device includes a support plate 21 disposed on the lower casing 2 for supporting the gearbox 8. The support plate 21 supports the gearbox 8 to control the height of the gearbox 8 and adjust the height thereof. It is convenient to engage with the wheel 4, and the height of the support plate 21 can be appropriately set as needed. The support plates 21 are at least two, and are spaced apart In this embodiment, two support plates 21 are provided to support the gear case 8. The vertical cross section of the lower casing 2 is curved, the support plate 21 is located on the bottom wall of the lower casing 2, and the support plate 21 extends on the side wall of the lower casing 2 for limiting the The extending portion 211 of the gear box 8 is provided with an extending portion 211 on the side wall of the lower casing 2 to latch the gear box 8 to prevent the gear box 8 from moving or shaking, thereby facilitating fixing of the gear box 8 through the upper casing 1 and the lower casing 2. .

5 and FIG. 6, the gear case 8 includes an upper cover and a lower cover fixed by screws, and the upper cover and the lower cover are provided with protruding screw hole posts 81 at the mating ends of the support plate 21, The support plate 21 is provided with a first opening 212 for placing the screw hole post 81. The first opening 212 and the screw hole post 81 are arranged for snap-fit, thereby further limiting the gear box 8 to prevent it from shaking. , easy to fix, and make the fixing more secure.

As shown in FIG. 2, the bottom wall of the lower casing 2 is provided with at least two spaced-apart fixing plates 22 which are upwardly convex. Referring to FIG. 6, the gear box 8 is provided for being placed on the fixing plate 22 Between the convex plates 82, the width of the convex plates 82 is slightly smaller than the distance between the adjacent two fixed plates 22, the convex plates 82 are conveniently placed between the fixed plates 22, and the convex plates 82 on the gear box 8 are placed in the lower case. Between the fixed plates 22 on the 2, they are fixed by the limit, so that the gear box 8 is fixed in position, so that the placement is more stable, and thus the fixing is facilitated. In this embodiment, there are three fixing plates 22, two corresponding convex plates 82, and two convex plates 82 are respectively locked between the three fixing plates 22, so that the gear box 8 is fixed and fixed in a large area. The effect is better. It is also possible to set up three fixed plates for the three convex plate slots. Of course, other numbers of fixing plates and convex plates can also be provided for cooperation. The fixing plate 22 and the convex plate 82 are both rectangular structures to facilitate mutual cooperation.

At least one of the fixing plates 22 is provided with a reinforcing rib 23, and the reinforcing ribs 23 are provided to increase the strength of the fixing plate 22. In this embodiment, a reinforcing rib 23 is provided on one of the fixing plates 22, and the fixing plate 22 is located at the center of the lower casing 2. The bottom of the fixing plate 22 is connected to the support plate 21 at a height equal to the height of the support plate 21 at the corresponding position.

As shown in FIG. 3, the upper casing 1 is provided with a limiting plate 11 for limiting the gearbox 8, and the limiting plate 11 and the gearbox 8 are fixed when the upper casing 1 and the lower casing 2 are fixed. The side walls are in close contact with each other, and the lower side of the gear box 8 cooperates with the support plate 21 on the lower casing 2, and the upper surface and the limiting plate 11 on the upper casing 1 cooperate; in the other two directions The other limiting structure, that is, the side wall of the lower case 2, the first opening 212 and the fixing plate 22 are fixed and fixed, so that the gear case 8 is firmly fixed in the housing when the upper case 1 and the lower case 2 are fixed. It is ensured that the gear 9 in the gearbox 8 and the wheel 4 and the drive motor 5 are stably connected. There are two limiting plates 11 in this embodiment, and a card board 12 connected thereto is disposed at one end of the limiting plate 11, and the card 12 is caught by the gear box 8 when the upper casing 1 and the lower casing 2 are fixed. The side wall, the two card plates 12 are caught by the gears of the gear box 8, and the card position effect is good.

In the present embodiment, as shown in FIG. 5, the gear case 8 is provided with a fixing portion 83 for fixing the first gear 84. Referring to FIG. 4, the lower case 2 and the fixing portion 83 are respectively provided with the first gear 84 for avoiding The second opening 24 and the third opening facilitate the engagement of the first gear 84 and the transmission gear. The side wall of the fixing portion 83 and the side wall of the edge of the second opening 24 are engaged, and the fixing portion 83 of the gear case 8 and the side wall at the second opening 24 of the lower case 2 are engaged, and the second opening 24 is The side wall acts as a limit on the fixing portion 84, thereby restraining the gear box 8 from being shaken. Through the above limit structure, the gear box is fixed and fixed, so that the gear box is firmly fixed in the vehicle body 100, and the gear 9 is ensured to be connected through the transmission gear and the inner teeth of the wheel 4, and the gear 9 and the drive motor are connected. Thereby, the wheel 4 rotates normally, thereby ensuring that the vehicle body 100 operates normally.

In the present embodiment, the vehicle body is symmetrically disposed at its center. As shown in FIG. 2, the circuit board 6 is provided with a receiver for receiving a signal of the remote controller. Referring to FIG. 3, the upper casing 1 is provided with a through hole for avoiding the receiver, and the receiver protrudes outside the casing, and the rushing wheel is also The utility model comprises a protective cover 3 with a closed through hole, and the protective cover 3 is provided with a plurality of strip-shaped small through holes having a certain curvature to facilitate receiving signals.

The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention can be made without departing from the spirit and scope of the invention.

Claims

Rights request

1. A running wheel, characterized in that it includes a car body, wheels, a driving motor and a gear box connecting the wheel and the driving motor. The car body is provided with a limiting structure for limiting the gear box.

2. The running wheel according to claim 1, wherein the vehicle body includes an upper shell and a lower shell, and the limiting structure includes a support provided on the lower shell for supporting the gear box. plate.

3. The running wheel according to claim 2, wherein the vertical section of the lower shell is arc-shaped, the support plate is located on the bottom wall of the lower shell, and the support plate is on the bottom wall of the lower shell. An extension portion for limiting the gear box extends on the side wall of the gear box.

4. The running wheel according to claim 3, characterized in that the gear box includes an upper cover and a lower cover fixed by screws, and the matching ends of the upper cover and the lower cover and the support plate are provided with protruding Screw hole posts, the support plate is provided with a first opening for placing the screw hole posts.

5. The running wheel according to claim 3, characterized in that, the bottom wall of the lower shell is provided with at least two upwardly protruding fixed plates arranged at intervals, and the gear box is provided with a mounting plate for placing the The raised plate between the fixed plates.

6. The running wheel according to claim 5, characterized in that there are three fixed plates and two convex plates.

7. The running wheel according to claim 5, characterized in that at least one of the fixing plates is provided with a force opening reinforcement.

8. The running wheel according to any one of claims 1 to 7, characterized in that the upper housing is provided with a limiting plate for limiting the gear box, and when the upper housing and the lower housing are fixed, the The limit plate is in close contact with the side wall of the gear box.

9. The running wheel according to claim 8, characterized in that there are two supporting plates and two limiting plates.

10. The running wheel of claim 3, wherein the gear box includes a first gear connected to the wheel, a second gear meshing with the drive motor, and a second gear meshing with the first gear and the second gear. the third gear that engages; the side wall of the lower housing is provided with a second opening for avoiding the first gear; the gear box is provided with a fixed part for placing the first gear, and the side of the fixed part The wall cooperates with the side wall of the edge of the second opening.