JPH031036B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention is mainly for running on a game board having a maze-like passageway formed by walls. The present invention relates to an automatic direction-changing traveling toy that can automatically change its direction of travel by making contact with the object or the like.

(Prior Art) Conventionally, various automatic direction-changing running toys have been provided, including, for example, a constant speed toy and a car as described in Japanese Utility Model Application Publication No. 54-94497. The bumper, which has both ends protruding from the vehicle body, is pivoted to the chassis so that it can swing freely, and a long hole is formed in this bumper, while the front wheels are pivoted to the chassis so that they can swing freely in the horizontal direction. The pair of front wheels are connected to interlock, and the protruding shafts provided on the levers of each front wheel are inserted so as to be movable within the long holes of the bumper, so that as the bumpers sing, the front wheels move into the bumper. It is designed to change direction in the opposite direction.

Also, a direction changing device for a traveling toy as described in Publication of Utility Model Publication No. 33-12739, or a direction changing device for a traveling toy as described in Publication of Utility Model Publication No. 45-3727. has been devised. In these systems, an axle with drive wheels attached to both ends is attached to a rotary disk that is pivotally connected to the main drive shaft, and the small gear on the axle meshes with the bevel gear on the main drive shaft, causing the rotary disk to rotate. A direction change device called a so-called mystery action is described which enables the direction change of a running toy.

(Problem to be Solved by the Invention) However, in the case of constant speed toys and automobiles as described above, the rear wheels are the driving wheels, and the front wheels change direction in the opposite direction to the rocking direction of the bumper. Because the bumper is shaped like this, if the end of the bumper does not make good contact with a wall, etc., it cannot be expected to reliably change direction, and the turning performance when the toy itself changes direction (the ability to turn quickly and small) However, there were some drawbacks. Moreover, unless a fairly strong force is applied to the bumper and the bumper swings significantly, the direction of the front wheels will be difficult to change, and if the angle at which the toy makes contact with a wall or the like is small, the angle at which the front wheels change will be extremely small. Or, it may not be converted, and it may stop while touching a wall surface, etc., or may proceed along the wall surface, etc.
The problem was that it could not be used as a running toy that ran on a game board that had a maze-like path.

In addition, in the case of the direction changing device for a traveling toy as described above, when the traveling toy hits an obstacle, it retreats and automatically changes its course to avoid the obstacle. The running direction is extremely easy to change, for example, it may end up going backwards to return to its original position, and as a running toy that runs along a maze on a game board that has a maze-like path, It was not suitable for me.

(Means for Solving the Problems) Therefore, the present invention aims to solve the above-mentioned difficulties, and provides a method for reliably running along a maze on a game board having passages structured like a maze. It was created to provide an automatic direction-changing traveling toy that is ideal for
A bulge 14 is provided with both end edges protruding from the left and right side ends, and the front end is formed of a relatively smooth curve with a planar substantially arc shape, and near the left and right ends of the bulge 14 of the chassis body 1, A pair of left and right transmission shafts 7 are mounted vertically, and a single motor 2 is connected to the left and right transmission shafts 7 through a suitable gear train, so that the right transmission shaft 7 rotates clockwise and the left transmission shaft A pair of left and right front wheel shaft support frames 11 arranged at the lower part of the chassis body 1 are rotatably attached to the left and right transmission shaft 7. Left and right front wheels 9 with wheel gears 10 arranged side by side on both sides are mounted horizontally, and wheel gears 10 of the left and right front wheels 9 and small gears 8 fixed to the lower ends of the left and right transmission shafts 7 are mounted horizontally.
The left and right front wheels 9 are arranged at an appropriate distance from the center line of the left and right transmission shaft 7, and the left and right front wheels 9 are meshed with each other.
The front right wheel shaft support frame 11 is formed to turn to the right and the left front wheel shaft support frame 11 to turn to the left due to the frictional force between the front right wheel shaft support frame 11 and the running surface caused by the forward rotation of the front wheel shaft support frame 11. The left and right front wheel shaft support frames 11 are connected to each other by horizontally mounting a direction conversion plate 12 whose portions are respectively pivoted via swing pins 13, and when the front wheel shaft support frame 11 turns. , from the side edge of the bulge 14 of the chassis body 1 in the turning direction to the contact end 15
A method was adopted in which the structure was formed so that it protruded laterally.

(Function) Therefore, when the toy main body A comes into contact with the wall surface 20 substantially perpendicularly, the bulge 14 on the front part of the chassis main body 1
As a result, it gradually changes its direction in one direction or the other.

Further, the pair of left and right transmission shafts 7 are rotated by the motor 2, with the right transmission shaft 7 rotating to the right and the left transmission shaft 7 rotating to the left.

In addition, the pair of left and right front wheel shaft support frames 11 has a turning moment generated by the product of the frictional force between the left and right front wheels 9 and the running surface caused by forward rotation of the left and right front wheels 9 and the distance from the left and right front wheels 9 to the center line of the left and right transmission shaft 7. As a result, the right front wheel shaft support frame 11 tends to turn to the right, and the left front wheel shaft support frame 11 tries to turn to the left, and these are offset by the direction changing plate 12 so that a balanced state is maintained.

Then, the toy main body A runs and the one wall surface 20
When one abutting end 15 of the direction changing plate 12 comes into contact with the direction changing plate 12, the direction changing plate 12 moves due to the reaction, causing the left and right front wheel shaft support frames 11 and the front wheel 9 to turn to the other side,
When the toy main body A travels to the other side and then the other side abutting end 15 of the direction changing plate 12 comes into contact with the other wall surface 20, the direction changing plate 12 moves due to the reaction and the left and right front wheel axles are moved. The supporting frame 11 and the front wheel 9 are turned to one side, and the toy main body A runs to one side, and by repeating this, the toy main body A moves forward in the passage 21 while drawing a zigzag trajectory.

Further, the bulging portion 14 or the abutting end portion 15 is connected to the wall surface 2.
0, the front wheel 9 on the side that came into contact with it will be blocked (or obstructed) by the wall surface 20, and will idle (or will idle more often) with respect to the running surface. ), the ground contact force (frictional force) between the front wheel 9 on the abutting side and the floor surface disappears (or becomes low), while the front wheel 9 on the opposite side is pressed against the wall surface 20. Therefore, since its progress is not immediately stopped (or obstructed), it rolls against the floor surface, which is the running surface, and the ground contact force (frictional force) between the front wheel 9 on the opposite side and the floor surface is high. The force remains maintained and the front wheel 9 on the abutting side tries to turn the front wheel shaft support frame 11;
This is because the balance between the force exerted by the front wheel 9 on the opposite side to cause the front wheel axle support frame 11 to turn is lost, and the force exerted by the front wheel 9 on the opposite side to cause the front wheel axle support frame 11 to turn becomes superior. , direction change plate 1
The force applied to the abutting end 15 of 2 is small (the wall surface 20
Even if the reaction at the time of contact is small), the front wheel shaft support frame 11 turns to the side opposite to the contact wall surface 20,
The front wheel 9 is turned in a direction opposite to the abutting wall surface 20.

(Example) Hereinafter, the present invention will be explained with reference to illustrated examples.

In the figure, reference numeral 1 denotes a chassis main body which is provided with a bulge 14 in the front part, which has both end edges protruding from the left and right side ends, respectively, and which has a relatively smooth curved line with a front end having a planar substantially arc shape. The chassis body 1 is provided with a motor 2, and the motor 2 is disposed horizontally so that its drive shaft 3 runs along the longitudinal center line of the chassis body 1. and,
A drive gear 4 made of a worm is fixed to the tip of the drive shaft 3, and a left and right transmission gear 6 is meshed with the drive gear 4 via a pair of intermediate gears 5. Moreover, the left and right transmission gears 6 are fixed to the upper ends of a pair of left and right transmission shafts 7 that are vertically mounted near the left and right ends of the bulge 14 of the chassis body 1, respectively. That is, the left and right transmission shafts 7 are rotated clockwise by the driving force of the motor 2 located at the center between the left and right transmission shafts 7 via a gear train consisting of a drive gear 4, an intermediate gear 5, and a transmission gear 6. The left transmission shaft 7 is connected to rotate counterclockwise (see FIG. 2).

Further, the left and right front wheel shaft support frame 11 having a substantially U-shape that opens downward is attached to the left and right transmission shaft 7 .
The left and right front wheels 9 are horizontally mounted on the left and right transmission shafts 7 so as to be able to turn freely around the center, and the left and right front wheels 9, on which the wheel gears 10 consisting of crown gears are arranged side by side, are horizontally mounted on the left and right front wheel shaft support frames 11. The wheel gear 1 of the left and right front wheels 9
0 and a small gear 8 fixed to the lower end of the left and right transmission shaft 7, and the left and right front wheels 9 are connected to the left and right transmission shaft 7.
Place it at an appropriate distance from the center line. That is, the rotational force of the left and right transmission shafts 7 is transmitted to the small gear 8 and the wheel gear 10.
It is formed so that it is transmitted to the left and right front wheels 9 via. Moreover, the rotational force of the left and right transmission shafts 7 is transmitted to the left and right front wheel shaft support frames 11 by frictional force.
The right front wheel shaft support frame 11 rotates to the right, and the left front wheel shaft support frame 11 rotates to the right.
A considerable amount of force is constantly being applied to the vehicle, causing it to turn to the left. Furthermore, the left and right front wheel shaft support frame 11 is provided with a left and right transmission shaft 7 due to the friction between the left and right front wheels 9 and the running surface.
A force is applied to the left and right front wheels 9, which are appropriately away from the center line of the wheel, to rotate forward, and this causes the right front wheel shaft support frame 11
The vehicle attempts to turn the front left wheel shaft support frame 11 to the left.

Therefore, by pivotally attaching the left and right ends of the direction conversion plate 12, which serves as a tie rod, to the left and right front wheel shaft support frames 11 through the swing pins 13, the left and right front wheel shaft support frames 11
They are connected to each other via a direction changing plate 12, so that the turning operations of the left and right front wheel shaft support frames 11 are linked. Therefore, both the left and right front wheels 9 can always face the same direction, and moreover, when the right front wheel shaft support frame 11 as described above tries to turn right, the left front wheel shaft support frame 11 directs the force trying to turn left. Conversion board 12
A state of balance is maintained by offsetting each other.

Further, the direction changing plate 12 is connected to the front wheel shaft support frame 11.
When the chassis body 1 turns, the contact end 1 provided at the end from the side edge of the bulge 14 of the chassis body 1 in the turning direction
5 is formed to protrude laterally, and when this abutting end 15 abuts against a wall surface 20 etc., the front wheel shaft support frame 11 turns to the opposite side, changing the direction of the left and right front wheels 9. , is formed so that it can perform a direction change.

A rear wheel axle 16 is disposed at the front of the chassis body 1, and a rear wheel 17 is rotatably held at both ends of the rear wheel axle 16.

Reference numeral 18 in the figure indicates a game board in which the passage 21 of the toy main body A is divided into sections with a width slightly wider than the bulge part 14 of the chassis main body 1 by erecting a wall surface 20 on the substrate 19. is a direction change auxiliary board 22 arranged at the four corners 23 of the game board 18, and this direction change auxiliary board 22 allows the toy main body A to move smoothly without becoming stagnant at the corner 23. It is.

The present invention is constructed as described above. Next, an example of its use will be explained. First, the power switch 25 interposed between the dry cell battery 24 and the motor 2 is closed to rotate the motor 2, and the toy main body is Place A on the passage 21 on the game board 18.

When the toy main body A is placed on the passage 21 and the front wheels 9 are facing in a direction along the passage 21, the toy main body A is moved straight on the passage 21 and changes direction by coming into contact with the front wall 20. conduct.

However, since the front wheels 9 are usually already turned to the right or left with respect to the center line of the toy main body A, they begin to run toward the left and right walls 20 of the passage 21, It moves along the passage 21 in a zigzag pattern while coming into contact with.

That is, as shown in FIG.
If it is facing to the right, the vehicle continues to run and the right side abutting end 15 of the direction changing plate 12 comes into contact with the right side wall surface 20 (see FIG. 5, 1). Due to this contact, the direction changing plate 12 receives pressure from the wall surface 20 to the left, causing the front wheel shaft support frame 11 to turn to the left, thereby directing the front wheel 9 to the left (see FIG. 5, 2).
Thereafter, the left side abutting end 15 of the direction changing plate 12 comes into contact with the left side wall surface 20, thereby repeating the same direction change (see FIGS. 3 and 4). As a result, the toy main body A moves forward in the passage 21 while drawing a zigzag trajectory as shown in FIG.

Further, FIG. 6 shows an example of the trajectory of the toy main body A as it travels on the game board 18.

Incidentally, the zigzag movement of the toy main body A shown in FIG.
This is done by making the front wheel shaft support frame 11 turn in the opposite direction by utilizing the reaction when it makes contact with the wheel. Even if the reaction at the time of contact with the wall surface 20 is small), the direction of the front wheel 9 is automatically changed in the direction opposite to the wall surface 20. That is, the rotational force of the left and right transmission shaft 7 is transmitted to the left and right front wheel shaft support frame 11 by frictional force, and a force that causes the right front wheel shaft support frame 11 to turn to the right and the left front wheel shaft support frame 11 to turn to the left is generated. is always added to the left and right front wheel shaft support frames 11,
Due to the friction between the left and right front wheels 9 and the running surface, a force is applied to the left and right front wheels 9 that are appropriately distant from the center line of the left and right transmission shaft 7 to rotate forward, and this causes the right front wheel shaft support frame 11 to turn to the right. and left front wheel shaft support frame 1
1 is about to turn left, when the bulging portion 14 or the abutting end 15 abuts against the wall surface 20, the front wheel 9 on the abutting side will rotate its progress toward the wall surface 20.
This causes the front wheel 9 on the side that comes into contact with the The ground contact force (frictional force) between the vehicle and the floor surface is eliminated (or becomes low), and on the other hand, the front wheel 9 on the opposite side is not immediately blocked (or obstructed) from advancing by the wall surface 20.
It rolls against the floor surface, which is the running surface, and the ground contact force (frictional force) between the front wheel 9 on the opposite side and the floor surface remains high, and the front wheel 9 on the side in contact with the A force that attempts to rotate the wheel axle support frame 11,
The balance between the force exerted by the front wheel 9 on the opposite side to cause the front wheel axle support frame 11 to turn is lost, and the front wheel axle is The support frame 11 turns to the side opposite to the abutting wall surface 20, and the front wheel 9 is turned in the direction opposite to the wall surface 20.

(Effects of the Invention) Accordingly, the present invention provides a bulge portion in the front portion of the chassis body 1, which has both end portions protruding from the left and right side ends, respectively, and the front end is formed of a relatively smooth curve having a planar substantially arc shape. 14, and a pair of left and right transmission shafts 7 are vertically mounted near the left and right ends of the bulge 14 of the chassis body 1, and a single motor is connected to the left and right transmission shafts 7 via appropriate gear trains. 2 are connected to each other so that the right transmission shaft 7 rotates clockwise and the left transmission shaft 7 rotates counterclockwise. The left and right front wheels 9 with wheel gears 10 arranged side by side are mounted horizontally on this left and right front wheel shaft support frame 11, and the wheel gears 10 of the left and right front wheels 9 and the left and right transmission shafts The small gear 8 fixed to the lower end of the transmission shaft 7 is meshed with the small gear 8, and the left and right front wheels 9 are arranged at an appropriate distance from the center line of the left and right transmission shaft 7. The wheel axle support frame 11 is formed so as to turn around, and the left front wheel axle support frame 11 is formed to rotate to the left.
A direction conversion plate 12 whose left and right ends are pivoted via swing pins 13 is horizontally mounted to connect the left and right front wheel shaft support frames 11 to each other. When the toy main body A turns, the contact end 15 is formed to protrude laterally from the side edge of the bulging part 14 of the chassis main body 1 in the turning direction, so that the bulging part 14 at the front of the toy main body A touches the wall surface 20. By making contact, the running direction can be automatically changed reliably and quickly, and
The game board 18 has a path 21 configured like a maze by walls 20, and the running direction does not change drastically or return to the original direction.
This is an automatic direction-changing running toy that is ideal for moving reliably along a maze. In addition, no matter what angle the player makes contact with the wall 20, the direction can be changed automatically and reliably and quickly.Moreover, while the direction change changes slightly depending on the degree of contact with the wall 20, the game board 18 along the passage 21, making it very interesting. Furthermore, the structure of the toy main body A is simplified, and it is strong, has excellent durability, and can be provided at a low price.

Further, since the left and right front wheels 9 are used as driving wheels, the turning performance when the toy main body A itself changes direction is improved, and it becomes possible to turn quickly and small.

Then, the left and right front wheel shaft support frames 11 are horizontally supported with direction changing plates 12 whose left and right ends are respectively pivoted via swing pins 13, and the left and right front wheel shaft support frames 11 are connected to each other. The force that causes the right front wheel shaft support frame 11 to turn to the right and the force that causes the left front wheel shaft support frame 11 to turn to the left can be offset by the direction conversion plate 12, and a delicate balance can be maintained.

Furthermore, when the front wheel shaft support frame 11 turns, the contact end 15 of the direction change plate 12 is formed to protrude laterally from the side edge of the bulge 14 of the chassis body 1 in the turning direction. Contact end 1 of conversion plate 12
5 is large (the reaction upon contact with the wall surface 20 is large), when the toy main body A travels and one contact end 15 of the direction changing plate 12 contacts one wall surface 20, the The direction changing plate 12 is moved to the opposite side by the reaction, and the left and right front wheel shaft support frames 11 and the front wheels 9 are moved.
can be rotated to the other side, and this toy body A
When the wheel travels to the other side and the other side abutting end 15 of the direction changing plate 12 comes into contact with the other wall surface 20, the direction changing plate 12 is moved to the opposite side by the reaction, and the left and right front wheel axle supports are moved. The frame 11 and the front wheel 9 can be turned in one direction, and this is repeated to allow the toy main body A to move forward in a zigzag pattern.

In particular, a pair of left and right front wheel shaft support frames 11 arranged at the lower part of the chassis body 1 are rotatably mounted on the left and right transmission shaft 7, and wheel gears 10 are arranged side by side on the left and right front wheel shaft support frames 11. The left and right front wheels 9 are mounted horizontally, and the wheel gears 10 of the left and right front wheels 9 are meshed with the small gears 8 fixed to the lower ends of the left and right transmission shafts 7. They are arranged at appropriate distances and are formed so that the right front wheel shaft support frame 11 turns to the right and the left front wheel shaft support frame 11 turns to the left due to the frictional force between the left and right front wheels 9 and the running surface caused by the forward rotation of the left and right front wheels 9. The portion 14 or the abutting end portion 15 is connected to the wall surface 2
0, the front wheel 9 on the side that made contact is blocked (or obstructed) by the wall surface 20 and spins idly (or spins more often) with respect to the running surface. The ground contact force (frictional force) between the front wheel 9 on the contacting side and the floor surface disappears (or becomes low), while the front wheel 9 on the opposite side is prevented from moving immediately by the wall surface 20. It is not blocked (or hindered) and rolls against the floor surface, which is the running surface, and the ground contact force (frictional force) between the front wheel 9 on the opposite side and the floor surface remains high, The balance between the force exerted by the front wheel 9 on the abutting side to turn the front wheel shaft support frame 11 and the force exerted by the front wheel 9 on the opposite side to turn the front wheel shaft support frame 11 is lost, and the opposite side The force exerted by the front wheel 9 to turn the front wheel shaft support frame 11 is overcome, and the front wheel shaft support frame 11 turns to the opposite side to the abutting wall surface 20.
It becomes possible to change the direction of the front wheel 9 in the direction opposite to the abutting wall surface 20. That is, when the force applied to the abutting end 15 of the direction changing plate 12 is small (the reaction when it comes into contact with the wall surface 20 is small), or when the wall surface 20 of the toy body A
Even if the angle of contact with the front wheel 9 is small, the direction of the front wheel 9 can be reliably changed.

Further, in the front part of the chassis body 1, a bulging part 14 is formed of a relatively smooth curve with both end edges protruding from the left and right side ends and the front end having a substantially arcuate planar shape.
, so that even when the chassis body 1 comes into contact with the wall surface 20 substantially perpendicularly, the chassis body 1 gradually changes direction to one side due to the front end of the arc-shaped bulge 14. Coupled with the configuration of the front wheel shaft support frame 11 and the front wheel 9 described above, the direction of the toy main body A can be automatically changed.

[Brief explanation of the drawing]

The drawings illustrate the present invention; FIG. 1 is an overall bottom view, FIG. 2 is a plan view of the main parts with some parts omitted, FIG. 3 is a front view of the main parts with some parts omitted, and FIG. 4 is a front view of the main parts with some parts omitted. FIG. 5 is a side view of the main part with some parts omitted, FIG. 5 is a plan view showing the running state, and FIG. 6 is a plan view showing the running state on the game board. A...Toy body, 1... Chassis body, 2...
Motor, 3... Drive shaft, 4... Drive gear, 5...
Intermediate gear, 6...Transmission gear, 7...Transmission shaft, 8...
...Small gear, 9...Front wheel, 10...Wheel gear, 11
...Front wheel shaft support frame, 12...Direction conversion plate, 13...
Swing pin, 14... bulge, 15... contact end,
16... Rear wheel axle, 17... Rear wheel, 18... Game board, 19... Board, 20... Wall surface, 21... Passageway, 22... Direction change auxiliary board, 23... Corner, 2
4...Dry battery, 25...Power switch.

Claims (1)

[Claims] 1 The front part of the chassis body is provided with a bulge formed by a relatively smooth curve with both end edges protruding from the left and right side ends, and the front end is approximately arcuate in plane, and the left and right ends of the bulge of the chassis body A pair of left and right transmission shafts are vertically mounted near the section, and one motor is connected to the left and right transmission shafts via a gear train as appropriate, so that the right transmission shaft rotates clockwise, and the left transmission shaft rotates clockwise. A pair of left and right front wheel shaft support frames arranged at the bottom of the chassis body are rotatably attached to the left and right transmission shafts, and wheel gears are mounted on the sides of the left and right front wheel shaft support frames. The left and right front wheels arranged side by side are mounted horizontally, and the wheel gears of the left and right front wheels are meshed with small gears fixed to the lower ends of the left and right transmission shafts.
The left and right front wheels are placed at an appropriate distance from the center line of the left and right transmission shafts, so that the friction between the forward rotation of the left and right front wheels and the running surface causes the right front wheel shaft support frame to turn to the right and the left front wheel shaft support frame to turn to the left. The left and right front wheel shaft support frames are provided with a direction changing plate whose left and right ends are pivotally attached to each other via a swing pin, and the left and right front wheel shaft support frames are connected to each other. An automatic direction-changing running toy, characterized in that when the front wheel shaft support frame turns, the abutting end portion projects laterally from the side edge of the bulge of the chassis body in the turning direction.