CN2278258Y

CN2278258Y - Improved structure for music box

Info

Publication number: CN2278258Y
Application number: CN 96206283
Authority: CN
Inventors: 杨晋荣
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-03-20
Filing date: 1996-03-20
Publication date: 1998-04-08
Anticipated expiration: 2006-03-20

Abstract

The utility model discloses an improved structure for music boxes, which comprises a base, a control circuit board, a fixed cover, a ring, an upper cover, etc. The improved structure for music boxes aims at the shortages that the existing article makes use of a spring to drive a roller and dial a reed to generate music, and easily results into unsteady music playing rotary speed and monotonous playing. Making use of the matching of an electronic circuit and an inductor, the utility model has the advantages of constant rotary speed and more music playing, and can control the playback of the music under the action of the inductor.

Description

The structure-improved of music box

The utility model is a kind of structure-improved of music box, refers to a kind of music box that can arrange in pairs or groups work by inductor and electronic circuit especially.

The music box of commonly using is to drive the cylinder that a surface distributed has countless protruding grains by clockwork spring, utilizes the protruding grain on the cylinder to stir the reed that is positioned at the cylinder side again, forms a first complete melody with the sound consecutive of sending different scales, and it is simple in structure, but has following shortcoming:

In case after 1 clockwork spring screws, unless clockwork spring is walked to loose, otherwise music can't stop;

2, cylinder surface is long-pending can only admit a first song, even the melody of some only, dull, can't satisfy hearer's demand;

Therefore 3, the operating principle of clockwork spring belongs to nonlinear running, and under the state that clockwork spring tightens fully, the broadcasting speed of music is the fastest, and clockwork spring is when loose, and the speed of broadcast presented slow situation again, so listen gruellingly.

The purpose of this utility model provides a kind of structure-improved of music box, it utilizes circuit control motor operations, and the music integrated circuit that can hold different musics is provided and can be subjected to movement of objects and the inductor responded to, so that the melody constant speed plays, and can utilize the continued broadcasting of inductor control melody.

For achieving the above object, the utility model structure-improved comprises pedestal, control circuit board, fixed cap, ring and loam cake.

Pedestal is provided with members such as battery case, motor, gear set, rotating shaft, switch and loudspeaker, axial trough of moulding and several screw hole columns on battery case, link and the rotating shaft lower end places axial trough and see through gear set and motor is interactive, on pedestal, be provided with two relative holders in addition, and be provided with several screw seats at the pedestal periphery; The motion flow of control circuit board may command music box is established one and is stored the music integrated circuit of the first melody of number, and involves battery case, switch, motor, loudspeaker and the described later inductor of lead to pedestal on it; Be provided with the screw seat with respect to the screw hole column position on the battery case on the fixed cap, and be provided with a pin, and wear a perforation in fixed cap central authorities in the position of motor; Ring is linked on the pedestal, and its upper limb side is provided with an inductor; Loam cake covers on ring, and loam cake below each screw seat of pedestal has relatively installed screw hole column, and loam cake central authorities are drilled with perforation.

Thus,, again the ring cover is trapped among on the pedestal, and, after being screwed, just finishes assembling at the ring top cover lid that closes with solid fixing motor and the rotating shaft on pedestal of fixed cover spiro.During use, switch is placed under the state of ON, by the inductor object sensing when mobile forwardly, can start music integrated circuit constant speed playing back music, and rotating shaft also is subjected to the drive of motor and gear set and rotate, after music stopped, whether the inductor sense object moved before it again, and whether the continued broadcasting of decision melody.

The structure-improved of the utility model music box also can add several little rotating shafts that are meshed with rotating shaft on the rotating shaft side, and be drilled with perforation at corresponding fixed cap and loam cake place, wears for little rotating shaft, makes to cover to present and enriches changeable doll.

After adopting said structure, the structure-improved of the utility model music box, utilize electronic circuit collocation music integrated circuit and inductor, the mechanism of rotation not only is provided, but constant speed is play many songs, but and inducing moving objects and determine whether continued broadcasting of melody, it is simple and easy to have reached operation, the diverse effect of song.

The utility model is described in further detail with embodiment below in conjunction with graphic.

Fig. 1 is the utility model three-dimensional exploded view;

Fig. 2 is a front view of the present utility model;

Fig. 3 is an action flow chart of the present utility model.

Please refer to Fig. 1, the utility model comprises members such as pedestal 1, control circuit board 2, fixed cap 3, ring 4 and loam cake 5.Wherein: pedestal 1 is a cup dolly, has a battery case 11 on it, in addition moulding two screw hole columns 111 and an axial trough 112 on the battery case 11, and on pedestal 1, be provided with a motor 12, and be connected with rotating shaft 14 mutual stoppers through gear set 13 indirectly, and rotating shaft 14 is plugged in the axial trough 112; (it stirs terminal is to be emerging in the pedestal below also to be provided with loudspeaker 15, a switch 16 on the pedestal 1, startup in order to the control music box) and the screw seat 17 of three dispersed arrangement, and be provided with two opposed circuit boards holders 18 in battery case 11 1 sides, can be in order to fixing following control circuit board 2.

Control circuit board 2, action in order to each assembly of control music box, have a music integrated circuit 21 on it, can store the first complete melody of number, and draw lead to be connected on battery case 11, motor 12, loudspeaker 15, switch 16 and the inductor described later 41 of pedestal 1 on the control circuit board in addition.

Fixed cap 3 is in order to fixed rotating shaft 14 and motor 12, below the fixed cap 3 with respect to the 11 position shaped screw seats 31 of the screw hole column on the battery case 11, and with respect to position moulding one pin 32 of motor 12, and fixed cap 3 central authorities wear a perforation 33, and rotating shaft 14 is penetrated.

Ring 4 is linked in the periphery of pedestal 1, installs an inductor 41 at the upper limb side of ring 4.

It is one discoid that loam cake 5 is, and covers on ring 4, and screw seat 17 positions with respect to pedestal 1 below loam cake 5 are provided with corresponding screw hole column 51, and loam cake 5 centers then wear a perforation 52.

Continuous again with reference to figure 1 and Fig. 2, during the utility model assembling, rotating shaft 14 lower ends firmly are set in the axial trough 112 on the battery case 11, control circuit board 2 embeddings are pulled between two holders 18, again rotating shaft 14 is inserted in the perforation 33 of fixed cap 3, force the screw seat 31 of fixed cap 3 to be against relatively on the screw hole column 111 of battery case 11, the pin 32 of fixed cap 3 then is against motor 12 end faces, utilize solid two-screw seat 31 of screw spiral shell and screw hole column 111, make fixed cap 3 shades above each part, and parts such as motor 12 and rotating shaft 14 are fixed on unlikely skew on the pedestal 1; Secondly ring 4 is enclosed within on the pedestal 1, and forms exterior wall one at pedestal 1 periphery; Loam cake 5 is covered on ring 4 apical margins more at last, the perforation 52 that makes the axle center of rotating shaft 14 pass loam cake 5, and each screw hole column 51 of loam cake 5 just is against on each screw seat 17 of pedestal 1, utilize screw with each screw seat 17 and screw hole column 51 spiral shells solid after, just finish the utility model assembling.

The utility model please refer to Fig. 2,3 when implementing, earlier 16 groups on switch is cut to the ON position, and battery case 11 begins power supply and gives each force device, and is in standby condition; When the user hinders hand in inductor 14 the place aheads, make inductor 41 inductions one trigger pip give control circuit board 2, circuit just started music integrated circuit 21 and made loudspeaker 15 constant speed sounding this moment, make motor 12 runnings simultaneously, see through gear set 13 and drive rotating shaft 14 rotations, after first song finished, music box just decommissioned, and replied standby condition; If desire continues to listen next melody, hand is hindered once again in inductor 41 the place aheads, music box just begins to move and send beautiful music; Interrupt if do not think to listen again or want, 16 groups on switch need only be cut to the OFF state and get final product.

In addition, the utility model is other in rotating shaft 14, also can add the little rotating shaft 14 that several are meshed, and is drilled with perforation 33,52 at corresponding fixed cap 3 and loam cake 5 places, and making loam cake 5 to be the stage pedestal, presents and enriches changeable doll.

Claims

1, a kind of structure-improved of music box, comprise pedestal, control circuit board, fixed cap, ring and loam cake, it is characterized in that: pedestal is provided with members such as battery case, motor, gear set, rotating shaft, switch and loudspeaker, moulding one axial trough and an above screw hole column on battery case, and the rotating shaft lower end is arranged in the axial trough, and see through gear set and the interactive binding of motor, on pedestal, be provided with two relative holders in addition, and establish one with the seat of tightening up a screw at the pedestal periphery; Establish one on the control circuit board and store the music integrated circuit of a first above melody, and involve battery case, switch, motor, loudspeaker and the inductor of lead to pedestal; Be provided with the screw seat with respect to the screw hole column position on the battery case on the fixed cap, and be provided with a pin, and be installed with a perforation in fixed cap central authorities in the position of motor; Ring is linked on the pedestal, and its upper limb side is provided with an inductor; Loam cake covers on ring, and loam cake below each screw seat of pedestal has relatively installed screw hole column, and loam cake central authorities are drilled with perforation.

2, the structure-improved of music box according to claim 1 is characterized in that: rotating shaft is other to add the little rotating shaft that is meshed with rotating shaft more than, and is drilled with perforation at corresponding fixed cap and loam cake place, and little rotating shaft is located in this perforation.