JPH0429664Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a drive device for a hanging rotating toy commonly called a merry-go-round toy.

[Conventional technology]

Conventionally, this type of suspended rotating toy was designed to suspend the hanging hook of the decorative body from the drive shaft through a vertically movable cylindrical body with a rotary switch on/off flange 24. The drive device in
As shown in FIG. 8, a vertically movable cylindrical body 57 with flanges for turning on/off a rotary switch has a piece body 54 with flat parts 53 on both sides and a fitting part of a deep hole 56 with flat parts 55 on both sides. It was something I used.

[Problem that the invention attempts to solve]

However, with this configuration, the motor 8
Since the drive shaft 11 that directly interlocks with the cylindrical body 19 and the cylindrical body 19 to which the hanging hook 23 of the hanging decoration body A is attached are always non-rotatable, the rotation of the rotating shaft 11 can be started and stopped. This results in the suspension being carried out against the static and kinetic inertia of the hanging decoration body A, which places an excessive load on the motor 8 and accelerates its wear.
An unreasonable force is also applied to the engaging part of the deep groove 56, causing deformation of the engaging part, for example, the piece body 54 in this part.
There were problems such as the up and down movement of the machine not being smooth.

[Means for solving problems]

The present invention is equipped with a vertical drive shaft 11 driven by a motor 8, and a bottomed cylindrical body 19 with an outward flange 24 for turning on and off a rotary switch is attached to a downwardly extending portion 18 of the drive shaft 11 and is vertically movable and rotatable. A return spring 20 for upward movement of the cylindrical body 19 is built into the cylindrical body 19, and a hook 23 for hanging the hanging decoration is suspended from the lower end of the cylindrical body 19. The piece body 21 is fixed to the lower end of the drive shaft 11 in a non-rotatable and vertically movable manner, and a recessed groove 43 and a protruding line are provided on the lower surface of the piece body 21 and the upper surface of the bottom wall of the cylindrical body 19, which can be freely engaged and disengaged. 44 is provided, and when the bottomed cylindrical body 19 is lowered by pulling the hanging decoration body I downward, the rotary switch is opened and closed by the outward flange 24 for turning on and off the rotary switch, which is integrated with the cylindrical body 19. To provide a driving device for a suspended rotary toy, in which the recessed groove 43 and the protruding line 44 are always engaged and are separated from each other only when the cylindrical body 19 is lowered. This is an attempt to solve these problems.

〔Example〕

The embodiment shown in the figure comprises a hollow case 5 with hanging fittings 4 which is partitioned into a front chamber 2 and a rear chamber 3 by an intermediate wall 1 using hard plastic, and a battery box 6 is attached to the front side of the intermediate wall 1. wall 1
A motor 8 is fixed on the rear side with its rotating shaft 9 oriented horizontally, and a music box device 10 is fixed alongside the motor 8 on the rear side of the intermediate wall 1 with its drive shaft 11 oriented vertically. The rotating shaft 9 of the motor 8 and the drive shaft 11 of the music box device 10 are connected to a worm 12, a worm wheel 13, and a large diameter gear 14.
The drive shaft 11 of the music box device 10 is further extended downward, and the bottomed cylindrical body 19 is attached to the extension part 18 so that it can be moved vertically and rotatably, but cannot be pulled out. A return spring 20 for upward movement of the cylindrical body 19 is built into the cylindrical body 19, and the lower end of the cylindrical body 19 is inserted into the lower side of the case 5 through a through hole 22. The hanging hook 23 of the hanging decoration body A is suspended from the protruding end, and the piece body 21 is fixed to the lower end of the drive shaft 11 so as to be non-rotatable and immovable up and down. A concave groove 43 and a convex line 44 are provided on the upper surface of the bottom wall of the cylindrical body 19, and when the cylindrical body 19 is positioned upward, the concave groove 43 and the convex line 44 engage, and the cylindrical body When the body 19 is lowered, the engagement between the concave groove 43 and the protrusion 44 is disengaged, and an outward flange 24 is integrally provided at the upper end of the cylindrical body 19, and a small drum is installed beside the outward flange 24. 25 is arranged to fix the drum 25 to the rear surface of the intermediate wall 1, a central horizontal shaft 26 is provided in the drum 25, and a rotating plate 29 with a crown-shaped ratchet wheel 27 and a feed pawl 28 is rotated around the horizontal shaft 26. The lever 30 is movably supported and is integrally provided on the periphery of the rotary plate 29.
The tip of the drum 25 protrudes from the outside of the drum 25 through a window hole 31 formed in the peripheral wall of the drum 25, and this protruding end enters the lower side of the outward flange 24 and connects the rear end of the rotary plate 29 and the drum 25. A torsion spring 32 is sandwiched between the inner surface of the rear wall, one end of this torsion spring 32 is connected to the lever 30, and the other end is connected to the window hole 31.
A feeding force is applied to the feeding pawl 28 by engaging with the incisal edges of the drum 2, and the same number of movable pawls 34 for locking are provided on the front surface of the crowned pawl 27 in the opposite direction to the pawls of the crowned pawl 27.
Fixed locking pawls 35 for preventing the movable locking pawls 34 from retreating are integrally provided at locations corresponding to the groups of movable locking pawls 34 on the front wall of the crown-shaped ratchet wheel 27. A large number of concave portions 36 and convex portions 37 are alternately provided on the outer circumferential surface of the drum 25, and a movable contact piece 42 (to be described later) is provided at a position on the circumferential wall of the drum 25 at a location corresponding to the outer circumferential surface of the crown-shaped ratchet wheel 27. A support member 40 having a through hole 38 and further having two fitting grooves 39, 39' in the intermediate wall 1.
The metal fixed contact piece 41 and the movable contact piece 42 made of the same are irremovably fitted into the fitting grooves 39 and 39', and the movable contact piece 41 is fixed. The tip of 42 is the concave part 36 and the convex part 3
The fixed contact piece 41 and the movable contact piece 42 are brought into contact with the tip of the fixed contact piece 41 when pressed against the convex portion 37 and separated when pressed against the concave portion 36. It is fixed to the support member 40 and further includes a terminal plate 45 for the positive terminal of the battery box 6.
and the base end of the movable contact piece 42, and the terminal plate 46 for the negative terminal of the battery box 6 is connected to the base member 47 made of metal material of the music box device 10 and the mounting base 48 made of metal material of the motor 8. The other pole 50 of the motor 8 is electrically connected to the base end of the fixed contact piece 41 via a lead wire 51.

(Operations and Effects of the Invention) Since the present invention has the above-described structure, when the hanging hook 23 is pulled down while the hanging decoration body A is in a rotating state, the return spring 20 contracts and the cylindrical body 19 descends to disengage the concave groove 43 and the protruding strip 44, and the outward flange 24 descends to release the lever 3.
0 is swung downward, the feed pawl 28 sends the ratchet wheel 27 and the rotary plate 29 to press against the tip of the movable contact piece 42 and the recess 36, cutting off the power to the motor 8 and stopping the rotation of the hanging decoration. In addition, when the hanging hook 23 is pulled down in this stopped state, the return spring 20 is compressed, the cylindrical body 19 is lowered, the groove 43 is disengaged from the protrusion 44, and the outward flange 24 is lowered. Lever 3
0 is oscillated downward and the feed pawl 28 sends the ratchet wheel 27 and rotary plate 29 to press the tip of the movable contact piece 42 against the protrusion 37, and then energizes the motor 8 to rotate the hanging decoration body I. shall be.

In other words, in the present invention, it is of course possible to rotate or stop the hanging decoration by pulling down the hanging hook, but in particular, in the present invention, the lower surface of the piece body 21 and A recessed groove 43 and a protrusion 44 are provided on the upper surface of the bottom wall of the cylindrical body 19 so that the bottomed cylindrical body 19 can be lowered by pulling the hanging ornament A downward. The rotary switch can be opened and closed by the external turning flange 24 integrated with the tubular body 19, and the concave groove 43 and the protruding strip 44 are always engaged, and they do not interact with each other only when the tubular body 19 is lowered. Since the rotating shaft 11 is detached, the rotation of the rotating shaft 11 is not started and stopped against the static inertia and the kinetic inertia of the hanging decoration body A, and therefore the motor 8
Applying an excessive load to the grooves 43 and protrusions 44 which are in a mutually fitted state may cause their wear and tear to be accelerated, or excessive force may be applied to the grooves 43 and protrusions 44 that are fitted together, causing deformation of the same parts and making the mutual fitting unsmooth. Therefore, the present invention has the effect of sufficiently solving the above-mentioned problems.

[Brief explanation of the drawing]

The figures show an embodiment of the drive device in the hanging rotary toy of the present invention, in which Fig. 1 is an overall perspective view, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, and Fig. Figure 3 is a cross-sectional view taken along line A'-A' in Figure 1, Figure 4 is an exploded perspective view of the switch section, Figure 5 is a partially cutaway enlarged view of the switch section shown in the rotating state, and Figure 6 is an enlarged view of the switch section. FIG. 7 is an exploded perspective view of the cylindrical body part, and FIG. 8 is an exploded perspective view of the conventional cylindrical body part. 1...middle wall, 2...front chamber, th...back chamber,
4... Hanging bracket, 5... Case, 6... Battery box, 8... Motor, 9... Rotating shaft, 10...
Music box device, 11... Drive shaft, 12... Worm, 13... Worm wheel, 14... Large diameter gear, 15... Small diameter gear, 16... Drive gear, 1
8... Extension portion, 19... Cylindrical body, 20... Return spring, 21... Piece body, 22... Through hole, A... Hanging decorative body, 23... Hanging hook, 24... Outward flange, 25...Drum, 26...Horizontal shaft, 27...
...Rawl wheel, 28...Feeding pawl, 29...Rotary plate, 30...
... Lever, 31 ... Window hole, 32 ... Torsion spring, 34 ... Movable claw, 35 ... Fixed claw, 36 ...
Recessed portion, 37...Protrusion, 38...Through hole, 39,3
9'... Fitting groove, 40... Supporting member, 41... Fixed contact piece, 42... Movable contact piece, 43... Concave groove, 44
...Convex strip, 45, 46...Terminal plate, 47...
...Base member, 48...Mounting base, 49,50...Pole,
51... Lead wire.

Claims (1)

[Scope of utility model registration request] A bottomed cylindrical body 19 equipped with a vertical drive shaft 11 driven by a motor 8, with an outward flange 24 for turning on and off a rotary switch on a downwardly extending portion 18 of the drive shaft 11.
is attached so that it can move up and down, rotate freely, and cannot be removed, a return spring 20 for upward movement of the cylindrical body 19 is built into the cylindrical body 19, and a hanging decorative body is attached to the lower end of the cylindrical body 19. The suspension hook 23 is suspended, and the piece body 21 is fixed to the lower end of the drive shaft 11 in a non-rotatable and vertically movable manner. An outward-facing flange for cutting is provided with a freely movable groove 43 and a protrusion 44, and is integrated with a rotary switch when the bottomed cylindrical body 19 is lowered by pulling the hanging decorative body 1 downward. 24, and the concave groove 43 and the protrusion 44 are always engaged, and are separated from each other only when the cylindrical body 19 is lowered. Drive equipment in.