KR200233703Y1 - Safety device of toy automobile - Google Patents

Abstract

The present invention is designed to prevent damage to the electric motor due to overload by automatically blocking the operation of the electric motor in the stop and no load state by the safety device and safety to ensure the safety of the user (child) when playing a toy car. The present invention relates to a safety device for a toy vehicle, wherein the body part is injection molded to a predetermined shape, and an electric motor is installed at the rear of the body frame, and the electric motor is connected to and rotated by front and rear wheels by a power transmission means. In the toy car, an operation switch ('ON', 'OFF' switch) is installed in the center portion of the front end of the body frame to supply and cut off the power of the electric motor, one side end of the body frame from the body portion As the MICRO switch is installed with the driving piece exposed downward, even if a collision occurs while driving the vehicle The power switch is automatically cut off by the same switch, and the drive for driving the electric motor in the no-load state, that is, the toy car is not placed on the ground (track) but is held in the user's hand or rolled over due to a collision while driving. Since the contact point of the switch is not made to prevent unnecessary idling of the electric motor, it is possible to prevent overheating and damage due to the overload applied to the electric motor.

Description

Safety device for toy car {SAFETY DEVICE OF TOY AUTOMOBILE}

The present invention relates to a safety device for a toy car, and more particularly, a safety device for securing the safety of a user (child) when playing a toy car, and automatic driving of an electric motor in a stop and no load state due to a collision. The present invention relates to a safety device for a toy vehicle for blocking and preventing damage to an electric motor due to an overload.

In general, a toy car is composed of an electric motor driven by receiving power from a battery and the front and rear wheels rotated by receiving power (rotation power) from the electric motor by a power transmission means, and by an electric signal. Power switches for turning the power of the electric motor on and off, and electronic components for generating various lighting or melody are used.

Currently, toy cars that are widely used and widely used in high-tech development have advanced functions and performances, as well as artificial intelligence, and high-speed rotation electric motors are used for racing cars.

However, in toy cars that use high-speed electric motors at present, they increase the speed to stimulate children's sense of ownership, curiosity, and competition, satisfying their purchase needs, and supply only the profit pursuit of sales. However, there are almost no safety devices to prevent safety accidents due to the high speed of toy cars.

For example, in a toy car that uses a high-speed rotating electric motor, it is difficult to control a toy car due to high-speed driving when used in a place that does not have a separate driving track for driving. Personnel accidents with the vehicle are very likely, and frequent collisions occur while driving on the track, and they are easily damaged and damaged, or safety accidents such as bruises and abrasions due to impacts on children's fingers. The accident occurred irregularly.

In addition, when a toy car stops due to a collision or front stop while driving in a track, or when it is separated from a track, the electric motor is continuously supplied with power, resulting in an overload of the electric motor, which shortens the service life. Of course, many problems have arisen such that the electric motor is easily damaged or causes unnecessary battery waste.

The present invention is to solve the problems caused in the conventional toy car as described above, the purpose is that if a collision occurs during the running of the toy car power supply is automatically cut off by the operation switch to drive the electric motor The contact of the drive switch for driving the electric motor in the no-load state, that is, when the toy car is not placed on the ground (track) but is held in the user's hand, or when the vehicle is overturned due to a collision or the track is departed. This is not to be done is to provide a new type of toy car that can be prevented from unnecessary idling of the electric motor.

In order to achieve the above object, the safety device according to the present invention is injection molded in a predetermined shape, the electric motor is installed in the rear of the body frame, the electric motor by the front and rear wheels by the power transmission means In the toy car that is rotated is connected, the operation switch is installed to supply and cut off the power of the electric motor in the center portion of the front end of the body frame, the drive that one side end is exposed from the body portion below the body frame It has a feature that a micro (MICRO) switch with a piece is installed.

In this invention, a fluid is fixed to the center of the bottom surface of the vehicle body frame by a bracket, is moved forward and backward along the guide rail and has a strip-shaped conductor at the rear end, and an auxiliary wheel is provided at the end of the driving piece of the micro switch. The body frame is divided into a portion above the center of the body to form an auxiliary frame, it is characterized by being coupled by the coil spring and rotatable downward by the hinge axis.

In addition, a power switch is installed between the vehicle body frame and the auxiliary frame to supply and cut off power to the electric motor when the auxiliary frame is rotated.

1 is a plan view schematically showing a toy car equipped with a safety device according to the present invention,

Figure 2 is a schematic side view showing a toy car equipped with a safety device according to the present invention,

Figure 3 is an enlarged bottom view of the main portion showing another embodiment of the safety device according to the present invention,

Figure 4 is a side schematic view showing another embodiment of the safety device according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: body frame 20: body

22: drive 24: auxiliary wheel

30: fluid 32: bracket

34: guide rail 36: conductor

38, 38 ': Terminal 40: Coil spring

42: auxiliary frame M1: electric motor

P: Battery SW1: Operation switch

SW2: Micro Switch SW3: Power Switch

Hereinafter, the present invention in more detail by the accompanying drawings as follows.

1 is a plan view schematically showing a toy vehicle equipped with a safety device according to the present invention, the electric motor (M1) is installed behind the body frame 10, the electric motor (M1) is a power transmission means ( In the toy vehicle in which the front and rear wheels 12 and 14 are connected by various gears, the power of the electric motor M1 is supplied to the center portion of the front end of the body frame 10. It indicates that the operation switch (SW1) is installed to be supplied and disconnected.

Figure 2 is a side schematic view showing a toy vehicle equipped with a safety device according to the present invention, a micro switch (SW2) for power supply and cut off of the electric motor (M1) in the body portion 20 injection molded in a predetermined shape ) Is installed, but the micro switch SW2 is provided with a driving piece 22 whose one end is exposed below the body frame 10.

At this time, the end of the driving piece 22 of the micro switch (SW2) is coupled to the auxiliary wheel 24 for preventing the wear phenomenon caused by contact with the ground when driving the toy car.

3 is an enlarged bottom view of a main part showing another embodiment of the safety device according to the present invention, a fluid for cutting off the power of the electric motor (M1) when a collision occurs due to high-speed driving in the center of the bottom of the body frame of the toy car; 30 is installed, the fluid 30 is fixed to the bottom of the body frame 10 by the bracket 32, and moved forward and backward along the guide rail 34, and the belt-shaped conductor portion at the rear end (36) is formed to make contact with the battery (P) and the grounded connection terminals (38, 38 ').

Figure 4 is a side schematic view showing another embodiment of the safety device according to the present invention, the body portion 20 injection molded in a predetermined shape, and the electric motor (M1) is installed at the rear, the electric motor In the toy car having a body frame 10 installed so that the front and rear wheels 12 and 14 are connected to and rotated by the power transmission means, a part of the center of the body frame 10 is divided. And the auxiliary frame 10 'is formed, which is coalesced by the coil spring 40 and coupled to rotate downward by the hinge shaft 42.

At this time, a power switch SW3 is installed between the vehicle body frame 10 and the auxiliary frame 10 'to supply and cut off power to the electric motor M1 when the auxiliary frame 10' is rotated.

Referring to the use state of the present invention as follows.

As shown in Figure 1 and 2, the body portion 20 is injection molded in a predetermined shape, the electric motor (M1) is installed in the rear of the body frame 10, the electric motor (M1) In a toy car in which the front and rear wheels 12 and 14 are connected and rotated by a power transmission means, the power of the electric motor M1 can be supplied to and cut off from the center portion of the front end of the body frame 10. For the toy equipped with a safety device consisting of a micro switch (SW2) is provided with an operating switch (SW1) is provided with a driving piece 22, one end of which is exposed from the body portion 20 below the body frame (10). In playing with a car (car racing), if the running toy car blocks the front of the car by hand to stop in front of the crash situation or driving, the operation switch installed in the body frame 10 (SW1) water ahead Or is operated while touching the user's hand is an electrical signal (signal and detailed description is omitted because it is a signal system for normal power supply and cut off) is applied to the battery (P), accordingly, the battery (P The power supplied to the electric motor M1 is cut off and the driving is stopped.

As such, as the power supply supplied from the battery P to the electric motor M1 is cut off by the operation switch SW1, the toy vehicle running is stopped immediately when a collision occurs, so that the power supply is continued even after the collision occurs. Since the overload phenomenon that is not blocked is added to the electric motor M1 is prevented, and the operation switch SW1 installed in the body frame 10 is in contact with the hand even when the user stops the driving of the toy car by blocking it with the hand. As in the case of a collision, the operation switch SW1 is operated to stop the driving of the electric motor M1, thereby minimizing the impact on the hand of a user, especially a child. ) Can be prevented.

In addition, as shown in Figure 2, the micro switch (SW2) is provided with a drive piece 22, one end of which is exposed from the body portion 20 of the toy car under the body frame 10 is installed. Accordingly, in the no-load state of the toy car, that is, the front and rear wheels 12 and 14 do not touch the ground (track), the micro switch SW2 is used to move the battery P from the battery P to the electric motor M1. When the power supply is cut off and the front and rear wheels 12 and 14 of the toy car are brought into contact with the ground, the micro switch SW2 is operated by the drive piece 22 to remove the battery P. The power is supplied to the electric motor M1, and the driving is performed. At this time, since the auxiliary wheel 24 is coupled to the end of the driving piece 22 of the micro switch SW2, the driving motor 22 is connected to the ground when driving the toy car. Drive piece caused by contact The wear phenomenon of (22) is prevented.

As such, when the toy vehicle driven by the micro switch SW2 is moved off the track, the driving piece 22 of the micro switch SW2 is lowered back to the original position, and the electric motor ( Since the power supplied to M1) is cut off, overheating of the electric motor (M1) and no idling of the front and rear wheels (12, 14) in the no-load state are prevented, thereby protecting the expensive electric motor (M1). It becomes possible.

Here, the electrical connection for supplying and disconnecting the power of the battery P, the electric motor M1, and the micro switch SW1 is a commonly used technique, and thus a detailed description thereof will be omitted.

On the other hand, Figure 3 is an enlarged bottom view of the main part showing another embodiment of the safety device according to the present invention, is fixed to the center portion of the bottom surface of the body frame 10 of the toy car by the bracket 32 and along the guide rail 34 As the fluid 30 is moved forward and backward and has a strip-shaped conductor part 36 at the rear end thereof, if a collision occurs during driving of the toy car, the fluid 30 is electrically driven from the battery P. The power supply of the motor M1 is automatically cut off, which means that the fluid 30 moves forward along the guide rail 34 due to inertia even when the running toy vehicle suddenly stops due to a collision. As the conductor part 36 is detached from the terminals 38 and 38 ', the power supply is cut off and the driving of the electric motor M1 is stopped, and FIG. 4 is a safety device according to the present invention. Side outline showing another embodiment As a figure, a part of the center of the vehicle body frame 10 of the toy car is divided to form an auxiliary frame 10 ', which is coalesced by the coil spring 40 and pivotally coupled downward by the hinge shaft 42. In addition, as the power switch SW3 is installed between the vehicle body frame 10 and the auxiliary frame 10 ', the no-load state of the toy car, that is, the front and rear wheels 12 and 14 becomes the ground (track). In the non-contact state, the auxiliary frame 10 'on which the electric motor M1 and the rear wheels 14 are installed is rotated downward by a predetermined angle from the hinge shaft 42 so that the power switch SW3 is rotated. As it is in the 'OFF' state, overheating and idling of the electric motor M1 are prevented, and the auxiliary frame 10 'is hinged when the front and rear wheels 12 and 14 of the toy car touch the ground for driving. Rotating from the shaft 42 as a starting point (pressed by the own load of the toy car Im) that is to be supplied to the electric power, this Motor (M1) consisting of the traveling place, so that the power switch (SW3) provided on the vehicle body frame 10 is formed of a contact to 'ON' condition.

At this time, since the auxiliary frame 10 'is installed in the body frame 10 with the coil spring 40, the auxiliary frame 10' is caused by the elastic force of the coil spring 40 in the no-load state of the toy vehicle. The hinge shaft 42 is lowered from the starting point, and in the driving state, that is, the front and rear wheels 12 and 14 are in contact with the ground, the coil spring 40 is pressed and compressed by its own load of the toy car. State is achieved.

This safety device enables the safe and easy supply and shut-off of power supply for driving and stopping of toy cars, and also prevents overheating and idling of electric motor (M1) in collision and no-load conditions. By doing so, the electric motor M1 can be prevented from being damaged.

As such, as the safety device according to the present invention is installed in the toy vehicle, the power supply is automatically cut off by the operation switch even when a collision occurs during the driving of the vehicle, and no load state, that is, the toy vehicle is grounded (track) In the state of being held in the user's hand without being placed on the vehicle, or in case of overturning or track deviation due to collision during driving, the contact of the drive switch for driving the electric motor is not made, which prevents unnecessary idling of the electric motor. In addition to preventing overheating and damage due to overload on the motor, the life of expensive electric motors can be extended, thus saving power (energy) that is efficient, economical, and unnecessary. The bruises of children by minimizing the impact on hands when stopping toy cars by hand And it is possible to prevent safety accidents such as iron wars, there is an effect that can secure the safety for play.

Claims (5)

Body portion 20 is injection molded in a predetermined shape, the electric motor (M1) is installed in the rear of the body frame 10, the electric motor (M1) by the front and rear wheels 12 by the power transmission means. In the toy car connected to, Safety device for a toy vehicle, characterized in that the operating switch (SW1) that can supply and cut off the power of the electric motor (M1) is installed in the center portion of the front end of the body frame (10). The method of claim 1, Safety device for a toy vehicle, characterized in that the micro switch (SW1) is provided with a driving piece (22) is exposed from one side end portion below the body frame (10) from the body portion (20). The method of claim 1, The fluid frame 30 is fixed to the center surface of the bottom of the body frame 10 by a bracket 32 and moves forward and backward along the guide rail 34 and has a strip-shaped conductor portion 36 at the rear end thereof. Safety device for toy cars. The method of claim 2, Safety device for a toy car, characterized in that the auxiliary wheel 24 is coupled to the end of the drive piece of the micro switch (SW2). The method of claim 1, The body frame 10 is divided into a part of the center is installed by the coil spring 40, the auxiliary frame 10 'is rotatable downward by the hinge shaft 42 is installed, the body frame 10 Safety device for a toy vehicle, characterized in that the power switch (SW3) is installed between the auxiliary frame (10 ').