JPH0630691B2 - Variable speed toy - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a variable speed traveling toy capable of variable speed traveling by switching a speed change gear by operating an operating lever.

(Prior Art) No matter how the appearance of a conventional running toy resembles that of a real car, it is impossible to change speed so that the vehicle can run at variable speeds, and therefore, it is not possible to obtain a real feeling.

(Technical Problem of the Invention) The present invention has been made in view of the above circumstances, and provides a variable speed traveling toy capable of changing the traveling speed in a plurality of steps by operating the shift lever as in the actual product. It is a technical issue to provide.

(Means for Solving the Problems) In order to solve the above technical problems, a variable speed traveling toy according to the present invention is a traveling toy including a power supply and an electric motor, characterized by having the following requirements. To do.

(A) The traveling toy body is provided with a speed change gear group having a first speed change gear supported by the output shaft of the electric motor and another speed change gear that meshes with the first speed change gear. .

(B) A first actuating shaft and a second actuating shaft, which are arranged in parallel with the drive shafts of the wheels and are rotatable about the drive shafts at the same time in the traveling toy body. Be provided.

(C) A transmission gear and at least two transmission gears are fixed to the first operating shaft, and the transmission gear is one of the transmission gears forming the transmission gear group by the rotation of the first operating shaft. One of the above must be selectively engageable.

(D) The second operating shaft is movably provided in the axial direction thereof, and at least two slide gears and an output gear are fixed to the second operating shaft.

(E) The transmission gear of the first operating shaft is provided so that it can be selectively meshed with the slide gear by the movement of the second operating shaft.

(F) The output gear of the second operating shaft should always mesh with the gear of the drive shaft.

(G) The first operating shaft and the second operating shaft are operably provided by a shift lever that can be operated from the outside.

(Advantageous Effects of the Invention) According to the present invention, the shift lever is operated to cause the transmitted gear to mesh with one of the shift gears forming the shift gear group by the rotation of the first operating shaft. Further, by selectively meshing the transmission gear of the first operating shaft with the slide gear of the second operating shaft in accordance with the axial movement of the second operating shaft, the rotation ratio between the output shaft and the drive shaft of the electric motor can be changed. You can enjoy running at various speeds.

Further, since the second actuating shaft is configured to be rotatable around the drive shaft at the same time as the first actuating shaft, the first actuating shaft can be rotated regardless of the turning state of the first actuating shaft. The transmission gear of the shaft is always in a state where it can be selectively meshed with the slide gear according to the axial movement of the second operating shaft. Further, since the second operating shaft rotates around the drive shaft, the output gear thereof is always meshed with the gear of the drive shaft regardless of the rotating state of the second operating shaft. Therefore, the speed change mechanism can be efficiently configured, which is optimal for a traveling toy.

(Examples) Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIGS. 1 (a), (b), (c), and (d) are configuration explanatory views of a main part of the present invention, and FIGS. 2 (a) and (b) are a plan view and a bottom view of the entire vehicle body.

As shown in FIG. 2 (a), the traveling toy includes a toy main body 1 forming a vehicle body, a forward / reverse rotation motor 2, a transmission 3, and a power supply unit (battery) 4 mounted on the upper surface of the toy main body 1.
And a drive shaft 5 rotatably supported by the toy body 1.
A front axle 6 rotatably supported while penetrating the transmission 3, rear wheels 5a and front wheels 6a supported by the axles 5, 6, and a coronal gear 7 integrated with the drive shaft 5, It has a crown gear 8 integrated with the drive shaft 6, and a propeller shaft 10 which is rotatably supported by the toy body and has gears 9a and 9b meshing with the crown gears 7 and 8 at both ends. The operation panel 11 on the upper surface of the transmission 3 is formed with an H-shaped shift slit 11a by punching.
The shift lever 12 is projected from 1a. The operation panel 11 is inclined from the upper front side toward the lower rear side. FIG. 3 is a partially enlarged view of this part, in which the lever 12 is located in the neutral position, front (upper in the figure) first and second speeds, and rear (lower in the figure) third and fourth speeds. Each set position of is provided. An output gear 13 projects from the side portion of the transmission 3 and always meshes with a gear 14 integrated with the drive shaft 5.

As shown in FIG. 2 (b), a switch 15 capable of switching on / off of the power source unit 4 and switching of the rotation direction of the motor is arranged on the back surface of the toy body 1, and the forward / backward movement is stopped by operating the switch 15. It is configured so that three traveling modes of reverse and backward can be realized.

FIGS. 1 (a) to 1 (d) are plan views showing the internal structure of the transmission 3, and this transmission mechanism includes a transmission gear group 20 that constantly receives drive torque from the motor 2 and always rotates, and a drive shaft 5. An inner turning arm 21b slidably and rotatably supported along the outer turning arm 21a, which is slidably supported by the inner turning arm 21b and turns with the inner turning arm 21b; A transmission gear 28 and two transmission gears 23, 24 of large and small size fixedly supported by a first operating shaft 22 rotatably supported on the tip of the rotation arm 21a, and fixed to the inner rotation arm 21b. And a second operating shaft 27 that is rotatably supported so as to be reciprocally movable in a predetermined range in the axial direction, and the second operating shaft 27.
The output gear 13 and the slide gears 25 and 26 fixedly supported by.

The shift lever 12 is integrally projectingly provided on the inner rotation arm 21b, and by moving the shift lever 12 to each set position along the shift slit 11a of the operation panel 11, the second operating shaft 27 is moved vertically and horizontally. Can be moved to.

Reference numeral 29 is a frame of a transmission fixed on the toy main body, and is located outside the transmission mechanism, and as shown in FIGS. 1 (b) (c) (d), the first actuating shaft 22 An arc-shaped guide slit 29a is formed for allowing the vertical movement of the. FIG. 4 shows the engagement position relationship between the outer and inner rotary arms 21a and 21b. A polygonal notch 30 having an opening downward is formed at the lower rear end of the outer rotary arm 21a. A base portion 31 of the inner rotating arm 21b is supported in the notch 30 so as to be movable in the axial direction. The base portion 31 has a polygonal shape that matches the polygonal notch 30, and supports the axle 5 rotatably and also has the same outer rotation arm 21a when the lever 12 is operated in the front-back (up-down) direction. It is configured to move integrally in the direction. The second actuating shaft 27 is supported by the pair of arm portions 32 protruding from the base portion 31.

The speed change gear group 20 is rotatably supported by a first speed change gear 35 integrated with an output shaft of the motor 2 and a toy body (or a support base of the motor 2) and the first speed change gear 35.
And second and third transmission gears 36 and 37 that are in mesh with each other. The gears 35, 36, 37 are in a vertical positional relationship as shown in the figure, and the driving torque from the motor 2 is always transmitted to these three transmission gears. The transmitted gear 28 is
The shift lever 12 has first and second positions (see FIG. 1).
(b) in the raised position) meshes with the third transmission gear 37, and in the third and fourth positions (the lowered position in FIG. 1 (d)), the first transmission gear 35 It becomes possible to mesh. Further, when the lever 12 is in the neutral position (the intermediate position shown in FIG. 1 (c)) in FIG. 3, it is not meshed with any transmission gear.

The slide gears 25 and 26 on the second actuating shaft 27 can move up and down integrally with the transmitted gear 28 by the operation of the shift lever 12 while moving left and right. First
In FIG. 1A, when the slide gears 25 and 26 move to the left (when shifting to the first and third positions), the large-diameter slide gear 25 is the small-diameter transmission gear on the first operating shaft 22. When engaging with 24 and moving to the right (when shifting to the second and fourth positions), the small-diameter slide gear 26 meshes with the large-diameter transmission gear 23 (FIG. 5). In this case, these gears can always mesh with each other regardless of the vertical position of the transmitted gear 28 (first actuating shaft 22) (except when in neutral).

The bifurcated spring 40 shown in FIG. 3 and the like is configured so that the leg 12 of the crotch of the lid holds the lever 12 so that the lever 12 can be easily returned to the neutral position.

In the above configuration, the switch 15 on the back surface of the toy body 1
When is set to the forward or reverse position, the motor 2 starts forward rotation or reverse rotation. When the shift lever 12 is set to the neutral position shown in FIG. 3, the transmission gears 35, 36, 37 are rotated by receiving the torque transmitted from the motor 2, but the rotating arms 21a,
Since 21b and the transmitted gear 28 are in the position of FIG. 1 (c), they cannot mesh with any of the speed change gears, and the driving torque is not transmitted to the output gear 13.

Next, when the shift lever 12 is moved against the spring 40 to set it to the first position, the inner turning arm 21b moves laterally leftward and then descends downward, while the outer turning arm 21a moves downward. Moves downward together with the inner rotating arm 21b, so that the large-diameter slide gear 25 meshes with the small-diameter transmission gear 24, while the transmitted gear 28 meshes with the third transmission gear 37. Therefore, the drive torque from the motor passes from the transmission gears 35, 36, 37 to the transmitted gear 28, and then the transmission gear 24 and the slide gear 25 to the output shaft 1
3, the gear 14, the drive shaft 5, the crown gear 7, the propeller shaft 10 (gears 9a and 9b), the crown gear 8, and the front axle 6. At this time, the speed is the lowest.

When the shift lever 12 is moved from the first position to set it in the second position, each rotating arm 21 is moved.
After the a and 21b are integrally returned to the intermediate height of FIG. 1 (c), only the inner rotating arm 21b is laterally moved to the right once, and then both the rotating arms 21a and 21b are integrally formed. Since it descends downward, the small-diameter slide gear 26 meshes with the large-diameter transmission gear 23, while the transmitted gear 28 meshes with the third transmission gear 37. The speed at this time is the second speed, which is faster than the first position.

When the shift lever 12 is moved from the second position to set it in the third position, the rotary arms are integrally raised and once returned to the intermediate height shown in FIG. Only the arm 21b laterally moves to the left, and then both pivoting arms integrally move to the raised position shown in FIG. 1 (b). At this time, the slide gear 25 becomes the transmission gear 2
4, the transmission gear 28 is engaged with the first transmission gear 3
Mesh with 5. The speed at this time is the third speed, which is faster than the second position.

When the shift lever 12 is moved from the third position to set it to the fourth position, the rotary arms are integrally lowered and once returned to the intermediate height of FIG. Only the arm 21b moves laterally to the right, and then both rotary arms move integrally to the raised position shown in FIG. 1 (b). At this time, the slide gear 26 moves the transmission gear 2
3, while the transmitted gear 28 is engaged with the first transmission gear 3
Mesh with 5. The speed at this time is the fourth speed, which is faster than the third position.

In any of the above operations, the movement in the neutral direction is easily performed by the restoring force of the spring 40.

Output shaft 1 in the above second to fourth positions
The transmission path of the torque output from 3 is exactly the same as that described for the first position.

Further, there is no change between the forward rotation and the backward rotation of the motor 2.

[Brief description of drawings]

1 (a), (b), (c) and (d) are explanatory views of the structure and operation of the main part of the present invention, and FIGS. 2 (a) and (b) are plan and bottom views of the whole traveling toy. FIG. 3 is a structural explanatory view of a shift slit portion, FIG. 4 is a structural explanatory view of engaging portions of both rotating arms, and FIG. 5 is an explanatory diagram of a sliding state of a slide gear. Reference numeral 1 ... Toy body, 2 ... Motor, 4 ... Power supply unit, 5 ... Drive shaft, 11a ... Shift slit, 12 ... Shift lever, 2
0 ... Transmission gear group, 21a ... Outer rotation arm, 21b ... Inner rotation arm, 22 ... First operation shaft, 23, 24 ... Transmission gear, 25, 26 ... Slide gear, 27 ... Second operation shaft, 28 ... transmitted gear,

Claims (1)

[Claims] 1. A traveling toy equipped with a power source and an electric motor, characterized in that it has the following requirements. (A) The traveling toy main body is provided with a speed change gear group having a first speed change gear supported by the output shaft of the electric motor and another speed change gear meshing with the first speed change gear. . (B) A first actuating shaft and a second actuating shaft, which are arranged in parallel with the drive shafts of the wheels and are rotatable about the drive shafts at the same time in the traveling toy body. Be provided. (C) A transmission gear and at least two transmission gears are fixed to the first operating shaft, and the transmission gear is one of the transmission gears forming the transmission gear group by the rotation of the first operating shaft. One of the above must be selectively engageable. (D) The second operating shaft is movably provided in the axial direction thereof, and at least two slide gears and an output gear are fixed to the second operating shaft. (E) The transmission gear of the first operating shaft is provided so that it can be selectively meshed with the slide gear by the movement of the second operating shaft. (F) The output gear of the second operating shaft should always mesh with the gear of the drive shaft. (G) The first operating shaft and the second operating shaft are operably provided by a shift lever that can be operated from the outside.