JPH0727986Y2 - Mainspring driven four-wheel running toys - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a mainspring driven four-wheel traveling toy that is driven by one mainspring drive device.

(Prior Art) Conventionally, a four-wheel running toy (see Japanese Utility Model Laid-Open No. 62-61298) in which four wheels are operated by one motor, a motor for moving two front wheels and a motor for moving two rear wheels, that is, a pair of front and rear wheels A four-wheel running toy in which four wheels are driven by motors, a four-wheel-drive running toy in which each wheel is driven by a separate motor, that is, four motors, or a four-wheel running toy in which only the rear two wheels are driven by a spring (special Although it is known, there is no mainspring drive four-wheel traveling toy that drives four wheels by one mainspring device for traveling.

(Problems to be Solved by the Invention) An object of the present invention is to provide a new mainspring driven four-wheel traveling toy in which four wheels are driven by one mainspring device to travel.

(Means for Solving the Problem) In order to achieve the above-mentioned object, the present invention fixes a machine casing 2 on an upper surface of a chassis 1, and a drive shaft 3, a winding shaft 4, a transmission shaft 5, and a first casing are mounted on the machine casing 2. A movable shaft 6 and a second movable shaft 7 are rotatably supported in a laterally parallel arrangement, and a drive gear 3 is provided with a driving gear 8 and a transmission shaft 5 is provided with a first transmission gear 9 and a second gear which is constantly meshed with the driving gear 8.
The transmission gear 10 and the winding gear 11 and the third transmission gear on the winding shaft 4.
12 and 12 are fixed to each other so that they cannot rotate, and a winding shaft 4 is provided inside the machine casing 2.
The drum 13 of the mainspring that surrounds one end of
The boss 14 of the winding gear 11 is inserted into the inside of the drum 13, and the inner end of the mainspring 15 inserted into the drum 13 is locked to the boss 14, and the outer end of the mainspring 15 is also locked to the inner peripheral surface of the drum 13. And the first
The supporting hole of the moving shaft 6 is formed as an elongated hole 18 having a lower end near the winding shaft 4 and an upper end distant from the winding shaft 4, and the main shaft 15 is attached to the first moving shaft 6.
The pinion 19 that meshes with the winding gear 11 and the spur gear 20 that meshes with the first transmission gear 9 are non-rotatably fixed to each other to form the first clutch gear portion 21, and the second moving shaft 7 The lower end is a long hole 23 whose lower end is near the winding shaft 4 and the transmission shaft 5 and whose upper end is distant at the upper end, and the second moving shaft 7 is provided with the second and third windings only when the mainspring 15 is wound. A second clutch gear 24 that meshes with the transmission gears 10 and 12 at the same time is non-rotatably fixed, and a movable shaft 26 is provided on the chassis 1 in parallel with the drive shaft 3 and in a rotatable state. Driving wheels
27, 27 'are non-rotatably fixed, and driven wheels 28, 28' are rotatably supported at both left and right ends of the driven shaft 26, and the inner sides of these drive wheels 27, 27 'and driven wheels 28, 28' are also supported. Gears on the sides
29, 29'30 30 'are provided in a coaxial arrangement, and the left gear 29, 30
The left intermediate gear 31 and the right generating gear 29'30 'between them.
The right intermediate gear 31 'is provided between the two in a state of meshing with each other.

(Operation) In the above embodiment, the second clutch gear 24 causes the second transmission gear 10 and the third transmission gear 12 when the whole is pulled backward with the four wheels 27, 27'28, 28 'landed. To simultaneously store the force in the spring 15, and when the force is released to the floor, the first clutch gear portion 21 meshes due to the releasing force of the spring 15 so that the entire four wheels 27, 27'2.
The vehicle runs forward in the landing condition of 8, 28 '.

When the vehicle travels in this way, the driving force of the drive wheels 27, 27 'operated by the mainspring 15 is transmitted to the driven wheels 28, 28' via the gears 29, 29'30, 30 'and the intermediate gears 31, 31'. .

(Effect of the Invention) Since the present invention is as described above, the intended purpose, namely,
The purpose of providing a new mainspring-driven four-wheel traveling toy that is driven by driving four wheels by one mainspring device can be completely achieved, and the mainspring-driven four-wheel traveling toy according to the present invention is a single mainspring drive device. It is capable of four-wheel drive and is extremely convenient for simplifying the overall configuration, reducing costs and making it compact, and is suitable for manufacturing miniature cars.

(Embodiment) In the first to third embodiments shown in the drawings, basically, the machine casing 2 is fixed to the upper surface of the central portion of the chassis 1, and the drive shaft 3, the winding shaft 4, and the transmission shaft are attached to the machine casing 2. 5, the first moving shaft 6 and the second moving shaft 7 are rotatably supported in a laterally parallel arrangement.
, The first transmission gear 9 and the second transmission gear 10 which are always in mesh with the driving gear 8, and the winding shaft 4 cannot rotate the winding gear 11 and the third transmission gear 12, respectively. A drum 13 of a mainspring that is fixed to the machine casing 2 and surrounds one end of the winding shaft 4 is provided in the machine casing 2, and a boss 14 of the winding gear 11 is provided in the drum 13.
With the inner end of the mainspring 15 inserted into the drum 13 into the boss 14 and the engaging groove 16 at the outer end of the same spring 15 provided on the inner peripheral surface of the drum 13. Respectively, and the supporting holes of the first moving shaft 6 are formed as elongated holes 18 having a lower end near the winding shaft 4 and an upper end distant from the upper end, and the first moving shaft 6 is released only when the mainspring 15 is released. A pinion 19 meshing with the winding gear 11 and a spur gear 20 meshing with the first transmission gear 9 are non-rotatably fixed to each other to form a first clutch gear portion 21.
The support hole of the moving shaft 7 is formed as a long hole 23 having a lower end near the winding shaft 4 and the transmission shaft 5 and an upper end distant from the upper end.
The second and third transmission gears only when the mainspring 15 is wound.
A second clutch gear 24 that meshes with 10 and 12 at the same time is non-rotatably fixed, and a moving shaft 26 is attached to the chassis 1 by the drive shaft 3 described above.
The drive wheels 27 and 27 'are fixed to the left and right ends of the drive shaft 3 so as not to rotate, and the driven wheels 28 and 28' are both or one of the driven wheels 28 and 28 '. Only these are rotatably supported and these drive wheels 27, 2
7 ', gears 29, 29' 30, 30 'inside the driven wheels 28, 28'
Are provided in a coaxial arrangement, and a left intermediate gear 31 is provided between the left gears 29 and 30 and a right intermediate gear 31 ′ is provided between the right gears 29 ′ and 30 ′ so that they mesh with each other. Is.

In the first embodiment, the positions of the central shafts 32 of the left intermediate gear 31 and the right intermediate gear 31 'are prevented from moving.
That is, the left and right intermediate gears 31, 31 'and the gears 29, 29' 30, 30 '
And the left intermediate gear 31 and the right intermediate gear 31 'in the second embodiment.
The position of the central axis 33 of the
It is possible to move along 4, 34 ', and when storing power, gears 29, 2
By rotating 9 ', left and right intermediate gears 31, 31' and gear 3
The meshing with 0, 30 'is canceled and the gear 3
The meshing between the left and right intermediate gears 31, 31 'and the gears 30, 30' is canceled by the rotation of 0, 30 '.

In the third embodiment, the left-side intermediate gear 31 and the right-side intermediate gear 31 'are movable within an enclosure 36 surrounded by a pop-out prevention guard 35, and when the power is accumulated, the gears 29, 29' are rotated to the left and right intermediate sides. The meshing with the gears 31 and 31 'is eliminated, and during inertia running, the rotation of the gears 30 and 30' causes the left and right intermediate gears 3 to rotate.
The meshing between the gears 1 and 31 'and the gears 30 and 30' is eliminated.

Although the intermediate gears are provided on the left and right sides in the first to third embodiments, the present invention may be implemented with a configuration provided on only one side.

[Brief description of drawings]

FIG. 1 is a perspective view of a main part showing a first embodiment of a mainspring driven four-wheel traveling toy according to the present invention, FIG. 2 is a partially cutaway plan view of the same, and FIG. 3 is a sectional view taken along line AA of FIG. , Fig. 4 is the second
Sectional view taken along line BB, FIG. 5 is sectional view taken along line CC of FIG. 2, FIG. 6 is sectional view taken along line DD of FIG. 2, and FIG.
FIG. 8 is a sectional view taken along the line EE of FIG. 7, FIG. 9 is a perspective view of the essential portions showing the third embodiment, and FIG. 10 is a sectional view taken along the line FF of FIG. Is. 1 ... Chassis, 2 ... Machine casing, 3 ... Drive shaft, 4 ... Winding shaft, 5 ... Transmission shaft, 6 ... First moving shaft, 7 ... Second moving shaft, 8 ... Driving gear , 9 ... first transmission gear, 10 ... second
Transmission gear, 13 …… drum, 14 …… boss, 15 …… spring, 16 …… locking ball, 17 …… locking groove, 18 …… long hole, 19
...... Pinion, 20 …… Spur gear, 21 …… First clutch gear part, 23 …… Long hole, 24 …… Second clutch gear, 26 …… Drive shaft, 27, 27 ′ ... Drive wheel, 28, 28 ′ …… Driven wheels, 2
9,29'30,30 '…… Gear, 31,31 …… Intermediate gear, 32,3
3 ... central axis, 34, 34 '... long hole, 35 ... guard, 36 ...
… The enclosure.

Claims (1)

[Scope of utility model registration request] 1. A machine casing 2 is fixed to an upper surface of a chassis 1, and a drive shaft 3, a winding shaft 4, a transmission shaft 5, a first moving shaft 6 and a second casing 2 are fixed to the machine casing 2.
A movable shaft 7 is rotatably supported in a parallel arrangement in the left-right direction, a drive gear 3 is provided with a driving gear 8, a transmission shaft 5 is provided with a first transmission gear 9 and a second transmission gear 10 which is constantly meshed with the driving gear 8, and The winding gear 11 and the third transmission gear 12 are non-rotatably fixed to the winding shaft 4, and a mainspring drum 13 surrounding one end of the winding shaft 4 is provided in the machine casing 2 and is wound into the drum 13. Boss of gear 11
The inner end of the mainspring 15 which is inserted into the drum 13 by inserting 14 into the boss 14 and the outer end of the mainspring 15 are locked to the inner peripheral surface of the drum 13, respectively. The support hole is formed as an elongated hole 18 whose lower end is close to the winding shaft 4 and whose upper end is distant, and the first transmission shaft 6 and the pinion 19 which meshes with the winding gear 11 only when the mainspring 15 is released and the first transmission. A spur gear 20 meshing with the gear 9 is non-rotatably fixed to the first clutch gear portion.
21 is formed, the support hole of the second moving shaft 7 is formed as a long hole 23 having a lower end inclined toward the winding shaft 4 and the transmission shaft 5 and an upper end distant from the upper end, and a winding operation of the mainspring 15 is performed on the second moving shaft 7. Only when the second clutch gear 24 that meshes with the second and third transmission gears 10 and 12 at the same time is fixed non-rotatably, the driven shaft 26 of the chassis 1 is in parallel with the drive shaft 3 and is rotatable. Drive wheels 27, 27 'are non-rotatably fixed to the left and right ends of the drive shaft 3, and the driven wheels 28, 28' are left and right ends of the driven shaft 26.
Is rotatably supported and these drive wheels 27, 27 ',
Gears 29, 29'30 30 'are provided coaxially on the inner side surfaces of the driven wheels 28, 28', a left intermediate gear 31 is provided between the left gears 29, 30 and a right generating gear 29 '30. A four-wheel drive toy with a mainspring drive, which is equipped with right intermediate gears 31 'between the gears in a mutually meshing state.