CN2297231Y - Keyboard jumping device for piano toy - Google Patents

Abstract

The utility model relates to a piano toy, which solves the jumping problem of the keyboard. The utility model comprises a base, a gearbox unit, a piano key unit, a control circuit device and an upper cover part. The piano key unit is formed by a movable keyboard group, an upper fixing plate, a lower fixing plate, and a rotary shaft rod. The movable keyboard group is additionally provided with a shaft center through the same keyboard of the keyboard group, and are stacked in a shaft center slot arranged on the lower fixing plate in sequence. The integral length is just the length between the baffles convexly arranged on both sides of the lower fixing plate, however, the bottom surface of each keyboard is provided with a semi-circular ejector lug, however, the movable keyboard group is fixedly locked between the lugs by the fixed parts of the upper fixing plate and the lower fixing plate via a screw, and is directly fixed on the base. The utility model is used for playing the ornaments.

Description

The keyboard trip gear of piano toy

The utility model relates to the piano toy, the keyboard that especially refers to the piano toy structure of beating.

Existing piano toy uses mostly and pushes or knock keyboard action and produce music and play for child, mainly is joyful and imitation, and its pattern does not break away from the existing set nest mortar that produces mostly, fails better to satisfy child's curiosity, interesting needs.

The purpose of this utility model provides a kind of piano toy after starting power supply, can form automatically and push keyboard action, has the keyboard trip gear of the piano toy of music simultaneously.

The purpose of this utility model is achieved in that the keyboard trip gear of piano toy, it comprises: base, gear-box group, key group, control circuit device, upper cover part and magnetic doll, it is characterized in that: base has the moulding of piano base, its upper peripheral edge is provided with a fixed ring piece, its surface, top is provided with to adorning each gear axis in jack-post wherein, other is provided with in order to trace group and interlock axostylus axostyle and is cross-placed on fixedly axle bed on it, also is provided with the locating slot post, and its below is provided with feet; The gear-box group is by fixedly backplate, motor, gear train, trace group constitute, wherein, fixedly be provided with gear train and trace group between backplate and the susceptor surface, its inboard is provided with the movable jack-post that is fixed, and contain reduction gearing more than the one-level in the gear train, the engagement of its first terminal gear and trace group, and again with the live keyboard group in the rotating shaft rod engagement; The key group is by the live keyboard group, upper mounted plate, bottom plate, rotating shaft rod forms, the live keyboard group extends the axle center by its identical keyboard rear side, be stacked in the axle center groove that bottom plate is established in regular turn, length between the baffle plate that its entire length just is convexly equipped with for the bottom plate both sides, and each keyboard bottom surface is provided with the projection that pushes of a semicircle, and being nationality, the live keyboard group is locked in therebetween with screw by the fixed part of upper mounted plate and bottom plate, and be directly fixed on the base, its rotating shaft rod is the integral body that multistage is formed, its two outboard end is a cylinder axle center and a travelling gear, and quantity of set circular rotary wheel equates with keyboard quantity on it and aligns mutually on it, each runner is established a depressed part, and its position is the irregular mode arrangement; The control circuit device is made up of electronic circuit board, battery pack, microswitch and loudspeaker, and electronic circuit board is fixedly arranged on base and connects battery pack, microswitch loudspeaker and motor; Upper cover part outer peripheral edges correspondence is covered on the inner peripheral of base fixed ring piece, its preceding recess both sides axis hole is the both sides axostylus axostyle of ccontaining key cover plate, its outside covers fixing with a fixed head, and extend on the key cover plate axostylus axostyle compress sheet and protrude in before the outer side edges of recess, be provided with in addition reference column around back recesses, the locating slot post of its position and base is relative and interfix.

Above-mentioned design, when the control circuit device is accepted the microswitch start and behind the turning circuit, be gear train and the action of trace group in starter and the driven gear case group, and then the rotating shaft rod in the key group is rotated, utilize the depressed part that cylindrical had of each runner on it to cooperate the projection that pushes of keyboard below again, make its runner when rotation, keyboard be moved up and down, be equipped with the effect of playing out music simultaneously thereby reach the keyboard knee-action.

Below by drawings and Examples the utility model is described further again:

Fig. 1 is the utility model embodiment three-dimensional appearance schematic diagram;

Fig. 2 is the utility model embodiment perspective exploded view;

Fig. 3 is the utility model embodiment overlooking surface perspective diagram;

Fig. 4 is the utility model rotating shaft rod perspective exploded view;

Fig. 5 is the utility model key group side cross-sectional schematic;

Fig. 6 is that the utility model key group cover plate is opened the back schematic diagram;

As Figure 1-3, the utility model comprises the keyboard trip gear of piano toy, it comprises: base 1, gear-box group 2, key group 3, control circuit device 4, upper cover part 5 and magnetic doll 6, it is characterized in that: base 1 has the moulding of piano base, its upper peripheral edge is provided with a fixed ring piece 11, its surface, top is provided with to adorning each gear axis in jack-post 12 wherein, other is provided with in order to bridge thereon fixedly axle bed 13 of trace group 24 and interlock axostylus axostyle 34, also be provided with locating slot post 14, its below is provided with feet 15; Gear-box group 2 is by fixedly backplate 21, motor 22, gear train 23, trace group 24 constitute, wherein, fixedly be provided with gear train 23 and trace group 24 between backplate 21 and base 1 surface, its inboard is provided with the movable jack-post 211 that is fixed, and contain reduction gearing more than the one-level in the gear train 23, its first terminal gear 231 and 24 engagements of trace group, and again with live keyboard group 31 in rotating shaft rod 34 engagements; Key group 3 is by live keyboard group 31, upper mounted plate 32, bottom plate 33, rotating shaft rod 34 forms, live keyboard group 31 extends axle center 311 by its identical keyboard 312 rear sides, be stacked in the axle center groove 332 that bottom plate 33 is established in regular turn, the length that the baffle plate that its entire length just is convexly equipped with for bottom plate 33 both sides is 333, and each keyboard 312 bottom surface be provided with a semicircle push projection 313, and live keyboard group 31 is the fixed part 321 of nationality by upper mounted plate 32 and bottom plate 33,331 are locked in therebetween with screw, and be directly fixed on the base 1, the integral body that its rotating shaft rod 34 is formed for multistage, its two outboard end is a cylinder axle center and travelling gear 341, and quantity of set circular rotary wheel 346 equates with keyboard 312 quantity on it and aligns mutually on it, each runner 346 is established a depressed part 3461, and its position is the irregular mode arrangement; The control circuit device is made up of electronic circuit board 41, battery pack 42, microswitch 43 and loudspeaker 44, and electronic circuit board 41 is fixedly arranged on base 1 and connects battery pack 42, microswitch 43 loudspeaker 44 and motor 22; Upper cover part 5 outer peripheral edges correspondences are covered on the inner peripheral of base 1 fixed ring piece 11, its preceding recess 51 both sides axis holes 511 are the both sides axostylus axostyle 531 of ccontaining key cover plate 53, its outside covers fixing with a fixed head 54, and extend on key cover plate 53 axostylus axostyles 531 compress sheet 532 and protrude in before the outer side edges of recess 51, be provided with in addition reference column 522 around back recesses 52, the locating slot post of its position and base 1 14 is relative and interfix.Wherein, the second terminal gear 232 in the gear train 23 is with eccentric shaft gear 233 engagements and be engaged with a magnet gear 234 in addition, and be provided with two magnet 2341 thereon, and first terminal wheel 231 first traces 241 that are engaged in the trace group 24, and by other hold the engagement second trace 242, be engaged with the 3rd trace 243 again, establish a fixed part 2421 in second trace, 242 1 ends in addition, be provided with the free gear portion 2422 that is mated, establish gear part 2424 and in wherein wearing a spring 2423 in other end more thereafter.This global design can make gear train 23 rotating speed paper, torsion big, can drive other device.

Shown in Fig. 4-6, wherein, the multisection type rotating shaft rod 34 in the key group 3, its adjacent face are provided with the fixed leg 343 of reference column 342 and square, and are provided with locating hole 344 and location notch hole 345 in other end; And reference column 342, fixed leg 343 are pegged graft fixing with positioning hole corresponding 344 and location notch hole 345.The depressed part 3461 V-shaped and irregular alignments of runner 346 peripheries.The both sides fixed part 541 of the fixed head 54 of upper cover part 5 is locked in it in fixing threaded hole 512 by two-screw, back recesses 52 centre are provided with a circle rail rack rails 521, its position is corresponding with magnet gear 234, make magnet gear 234 in wherein turn, magnetic doll 6 tops are doll moulding main body, and the below is provided with magnet 61, magnet 2341 adjacent surfaces on magnet and the magnet gear 234 are the opposite sex, magnetic doll 6 is located at the surface of upper cover part 5, can as water, dance lightly, and be equipped with music effect with magnet 2341 rotations, the spy has interest, the property having decoration of holding concurrently; External force is improper to be connect when pressing keyboard 312 when being subjected to, and its free gear portion 2422 promptly breaks away from fixed part 2421 and extrusion spring 2423, gets rid of improper exerting pressure to reach, and avoids damaging; The a plurality of combinations of rotating shaft rod are not cross-placed on movable axle bed, and are yielding, easily assembling and cost are low, use reliable.

Claims (3)

1, the keyboard trip gear of piano toy, it comprises: base, gear-box group, key group, control circuit device, upper cover part and magnetic doll, it is characterized in that: base has assembly molding at the bottom of the piano, its upper peripheral edge is provided with a fixed ring piece, its surface, top is provided with to adorning each gear axis in jack-post wherein, other is provided with in order to trace group and interlock axostylus axostyle and is cross-placed on fixedly axle bed on it, also is provided with the locating slot post, and its below is provided with feet; The gear-box group is by fixedly backplate, motor, gear train, trace group constitute, wherein, fixedly be provided with gear train and trace group between backplate and the susceptor surface, its inboard is provided with the movable jack-post that is fixed, and contain reduction gearing more than the one-level in the gear train, the engagement of its first terminal gear and trace group, and again with the live keyboard group in the rotating shaft rod engagement; The key group is by the live keyboard group, upper mounted plate, bottom plate, rotating shaft rod forms, the live keyboard group extends the axle center by its identical keyboard rear side, be stacked in the axle center groove that bottom plate is established in regular turn, length between the baffle plate that its entire length just is convexly equipped with for the bottom plate both sides, and each keyboard bottom surface is provided with the projection that pushes of a semicircle, and being nationality, the live keyboard group is locked in therebetween with screw by the fixed part of upper mounted plate and bottom plate, and be directly fixed on the base, its its rotating shaft rod is the integral body that multistage is formed, its two outboard end is a cylinder axle center and a travelling gear, and quantity of set circular rotary wheel equates with keyboard quantity on it and aligns mutually on it, each runner is established a depressed part, and its position is the irregular mode arrangement; The control circuit device is made up of electronic circuit board, battery pack, microswitch and loudspeaker, and electronic circuit board is fixedly arranged on base and connects battery pack, microswitch loudspeaker and motor; Upper cover part outer peripheral edges correspondence is covered on the inner peripheral of base fixed ring piece, its preceding recess both sides axis hole is the both sides axostylus axostyle of ccontaining key cover plate, its outside covers fixing with a fixed head, and extend on the key cover plate axostylus axostyle compress sheet and protrude in before the outer side edges of recess, be provided with in addition reference column around back recesses, the locating slot post of its position and base is relative and interfix.

2, the keyboard trip gear of piano toy as claimed in claim 1, it is characterized in that: wherein, second terminal gear in the gear train and eccentric shaft gear engagement also are engaged with a magnet gear in addition, and be provided with two magnet thereon, and the first terminal wheel is engaged in first trace in the trace group, and by other hold the engagement second trace, be engaged with the 3rd trace again, establish a fixed part in second trace, one end in addition, be provided with the free gear portion that is mated, establish gear part and in wherein wearing a spring in other end more thereafter.

3, the keyboard trip gear of piano toy as claimed in claim 1 is characterized in that: wherein, the multisection type rotating shaft rod in the key group, its adjacent face is provided with the fixed leg of reference column and square, and is provided with locating hole and location notch hole in other end; And reference column, fixed leg and positioning hole corresponding and location notch hole are pegged graft fixing.

Images