JP3049394U - Car toys - Google Patents

Abstract

(57) [Problem] To provide a small and inexpensive automobile toy that can run an automobile toy with a simple structure. SOLUTION: In an automobile toy comprising a motor capable of mounting a battery and using the battery as a power source, and left and right driving wheels driven by the motor, an axis of the motor is set to one of the left and right driving wheels. So that power is reduced from the motor shaft to the one drive wheel and transmitted directly to the one drive wheel, and the left and right drive wheels rotate integrally with the drive shaft. It is characterized by being connected to each other.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to an automobile toy.

[0002]

[Prior art]

 2. Description of the Related Art Conventionally, there has been known an automobile toy which is configured to be capable of mounting a battery and includes a motor using the battery as a power source, and a power transmission mechanism for transmitting the power of the motor to drive wheels at a reduced speed.

[0003]

[Problems to be solved by the invention]

 However, this kind of automobile toy requires many gears and pulleys in order to transmit power at a reduced speed from the motor to the drive wheels. As a result, the number of parts is large, the manufacturing cost of automobile toys is high, and the space required for installation of gears and pulleys is limited, so there is a limit to miniaturization of automobile toys. In addition, in this type of automobile toy, a motor or a gear constituting a power transmission mechanism is damaged when a user presses the automobile toy from above and a driving wheel is locked during traveling of the automobile toy. For this reason, a clutch was interposed in the power transmission mechanism. However, if a clutch were to be provided, the number of elements increased accordingly, and the installation space for that was also required.

[0004] The present invention has been made in view of the above point, and an object of the present invention is to provide a small and inexpensive automobile toy that can run an automobile toy with a simple structure.

[0005]

[Means for Solving the Problems]

 The automobile toy according to claim 1 is a vehicle toy having a battery mounted thereon, a motor powered by the battery, and left and right driving wheels driven by the motor. The drive shaft is pressed against one of the left and right drive wheels, and the power from the shaft of the motor is transmitted to the one drive wheel at a reduced speed, and the left and right drive wheels are driven by the drive shaft. It is characterized by being linked to each other so as to rotate integrally. According to this automobile toy, the drive wheels are directly driven by the motor. In this case, if the diameter of the motor shaft is made smaller than the diameter of the driving wheel, deceleration can be easily performed. Therefore, the conventional power transmission mechanism becomes unnecessary, and the number of parts is reduced accordingly, so that an inexpensive and compact automobile toy can be realized. Also, unlike the case where both gears mesh with each other like gears, only the motor shaft is pressed against the drive wheel, so that even if overload is applied to the drive wheel, the motor shaft is driven. There is no risk of damaging the motor or internal parts simply by slipping on the wheels.

According to a second aspect of the present invention, there is provided an automobile toy having a motor capable of mounting a battery and having the battery as a power source, and right and left driving wheels driven by the motor. A double-shaft motor in which both ends of the shaft of the motor are directly pressed into contact with the left and right drive wheels, and the power from the motor shaft is directly transmitted to the left and right drive wheels at a reduced speed. It is characterized by the following. According to this automobile toy, the same effect as the automobile toy according to the first aspect can be obtained.

It is preferable that the outer periphery of the drive wheel on which the shaft of the motor is pressed is made of a soft material such as a rubber material so that the power from the motor is transmitted reliably.

[0008]

[Embodiment of the invention]

 FIG. 1 is a perspective view showing the internal structure of the automobile toy according to the present invention. Although not particularly limited, the chassis S of the automobile toy 1 can be equipped with one AAA battery (not shown). The chassis S is provided with driven wheels 3a, 3a connected to each other by a front axle 3. However, the driven wheels 3a, 3a may be configured to be able to rotate independently of each other without being connected by the front axle 3.

The chassis S is further provided with drive wheels 4 a, 4 a connected to each other by a rear axle 4. The outer periphery of the drive wheels 4a, 4a is made of a rubber material having a large coefficient of friction. Further, a motor M is mounted horizontally on the chassis S immediately behind the rear axle 4, and its shaft 20 projects rightward with respect to the motor body. The shaft 20 of the motor M is pressed against the outer periphery of the right driving wheel 4a. Further, a metal spring plate 5 is laid on the chassis S at a location where a battery is mounted.

The front end of the spring plate 5 is erected upward, and this erected portion constitutes a negative contact 6 of the battery. A horizontally long rectangular hole 7 is provided at the rear of the spring plate 5, and a knob 9 a of a switch knob part 9 that supports a positive contact 8 of the battery is inserted into the rectangular hole 7. . The knob 9a protrudes below the chassis S and is slidable in the lateral direction. Near the positive contact 8 supported by the switch knob part 9, one end contacts the positive contact 8 when the knob 9a is slid to the left, and the other end is connected to the positive terminal of the motor M. A plus-side metal piece 10a that is bent so that the end is always connected is provided. Further, an upright portion (a negative metal piece) 10b connected to the negative input terminal of the motor M is provided on the left side of the rear portion of the spring plate 5. Further, on the right side of the rear portion of the spring plate 5, there is provided an elastic pressing piece 11 which is formed by folding a part of the spring plate 5 forward or by folding it forward in a U-shape. . The elastic pressing piece 11 is pressed against the lower right end of the rear axle 4. As a result, the shaft 20 of the motor M is securely pressed against the outer periphery of the right driving wheel 4a with a predetermined contact pressure.

An insulating tape is attached to a surface of the motor M facing forward. Further, in the automobile toy 1, a body (not shown) is mounted on the chassis. The attachment of this body to the chassis S is performed by, but not limited to, engagement between a claw and a claw hole.

According to the thus configured automobile toy 1, when the knob 9a is slid to the left, the motor M operates and the shaft 20 rotates. As a result, the right drive wheel 4a to which the shaft 20 is pressed is also rotated. When the right driving wheel 4a rotates, the left driving wheel 4a connected to the driving wheel 4a via the rear axle 4 also rotates. In this case, since the diameter of the shaft 20 and the diameter of the right driving wheel 4a are different, the speed is reduced. The reduction ratio is not particularly limited, but is about 1/10 to 1/20.

Further, for example, when the driving wheel 4a is pressed against the floor by applying a force to the automobile toy 1 from above while the motor M of the automobile toy 1 is operating, the driving wheel 4a is locked. When the drive wheel 4a is locked, the shaft 20 of the motor M slips with respect to the outer periphery of the drive wheel 4a.

FIG. 2 shows a second embodiment of the automobile toy according to the present invention. This car toy 30 differs from the car toy 1 of the first embodiment in that the motor M is a double-axis motor. Therefore, both ends 20a of the motor M are pressed against the outer circumferences of the left and right driving wheels 4a by their own weight. Due to such a structure, a portion corresponding to the elastic portion 11 of the first embodiment is unnecessary. Other configurations are the same as those of the first embodiment, and therefore, the same components are denoted by the same reference numerals in the drawings, and detailed description thereof will be omitted.

[0015] The vehicle toy 30 of this embodiment can also achieve the same effects as the vehicle toy 1 of the first embodiment.

Although the car toy according to the embodiment of the present invention has been described above, the present invention is not limited to such an embodiment, and various modifications can be made without changing the gist of the present invention. Needless to say.

For example, in the second embodiment, the left and right drive wheels 4a, 4a are connected to each other by the rear axle 4, but the left and right drive wheels 4a, 4a may be independent from each other. That is, in the second embodiment, a double-shaft motor is used as the motor M, and both ends 20a, 20a of the shaft are pressed against the outer circumferences of the left and right drive wheels 4a, 4a, respectively. It is not necessary to interconnect with each other.

In the first and second embodiments, the outer periphery of the drive wheel 4a against which the shaft 20 or the shaft portion 20a of the motor M is pressed is made of rubber, but the power from the motor M is transmitted reliably. It may be made of a soft plastic or other soft material as long as it can be used.

Further, in the first and second embodiments, the shaft 20 or the shaft portion 20a of the motor M is pressed against the outer periphery of the driving wheel 4a. However, the shaft 20 or the shaft portion 20a is pressed against the inner periphery or pressed against other portions. It is also possible to make it. In short, it is only necessary that the driving wheel 4a is directly rotated by the rotating power of the shaft 20 or the shaft portion 20a of the motor M.

[0020]

[Effect of the invention]

 The effect of the representative automobile toy of the present invention will be described. In an automobile toy including a motor capable of mounting a battery and using the battery as a power source and left and right driving wheels driven by the motor, The shaft is pressed into contact with one of the left and right drive wheels to reduce the power transmitted from the motor shaft to the one drive wheel and directly drive the left and right drive wheels. Since they are connected to each other so as to rotate integrally with the shaft, a conventional power transmission mechanism is not required, and accordingly, the number of parts is reduced, and an inexpensive and compact automobile toy can be realized. Also, even when an overload is applied to the drive wheels, there is no risk of damaging the motor and internal components.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main part of an automobile toy according to the present invention.

FIG. 2 is a perspective view showing a main part of another automobile toy according to the present invention.

[Explanation of symbols]

 1,30 Automobile toys 2 Batteries 4a Drive wheels 20 axes

Claims (2)

[Utility model registration claims] 1. An automobile toy comprising a motor capable of mounting a battery and using the battery as a power source, and left and right driving wheels driven by the motor, wherein an axis of the motor is connected to one of the left and right driving wheels. The drive shaft is pressed against one of the drive wheels, the power is reduced from the motor shaft to the one drive wheel, and transmitted directly to the one drive wheel, and the left and right drive wheels rotate integrally with the drive shaft. An automobile toy characterized by being connected to each other. 2. An automobile toy comprising a motor capable of mounting a battery and using the battery as a power source, and right and left driving wheels driven by the motor, wherein the motor is a double-axis motor, and the motor has a shaft. An automobile toy characterized in that both ends are directly pressed against said left and right drive wheels, and power is reduced from said motor shaft to said left and right drive wheels and transmitted directly.