A kind of electronic toy bear
Technical field
The utility model relates to a kind of electronic toy, the particularly a kind of electronic toy bear that can walk about voluntarily and sound.
Background technology
At present, the big portion of electronic toy bear that occurs in the market all is some gear trains that four limbs can be driven of packing in inside, make Teddy bear can carry out some simple walking actions freely, these electronic toy bear functions at present appearance are too simple, compare also image inadequately with genuine material object.A kind of electronic toy bear appears now, this electronic toy bear mainly is pcs signal identification chip that is provided with by inside and the circuit board that various actions are sent instruction and programmed, can realize the gear train composition of exercises in addition, on this electronic toy bear function to present appearance mainly is to its command signal of sounding by owner, just can realize to bear walk, wag the tail, function operations such as sounding and sense of smell, concerning the Teddy bear of image like this, function and parts complexity, shortcoming is exactly: complex structure, production cost height, cost an arm and a leg.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, provide a kind of simple in structure, production cost is low, and can develop children visually to the imagination of true things and the electronic toy bear of observation ability.
The technical scheme that the utility model adopted is: the utility model comprises head shell, face projection below head shell, the health shell, the forward foot in a step, the rear foot, described health enclosure is provided with the electric gear roller box, flexibly connect and in the health shell, be provided with the mouth actuation mechanism with the electric gear roller box, actuation mechanism, foot's walking mechanism, key are that described electric gear case comprises motor, be arranged on the driven wheel on the motor, with driven wheel engagement and have the bevel gear of bar shaped tooth, with bevel gear engagement and be provided with the bar shaped travelling gear of bar shaped tooth, with the engagement of bar shaped travelling gear and differential gearing and convex gear on same axle center, the cannon pinion that connects at the axle upper spring of differential gearing and convex gear, coaxial bidentate wheel with the cannon pinion engagement, be provided with the gear I of a movable eccentric wheel A with an engagement of coaxial bidentate wheel and an end, with gear I engagement and at one end be provided with the gear II of a movable eccentric wheel B;
Described electric gear case comprises motor, be arranged on the driven wheel on the motor, with driven wheel engagement and have the bevel gear of bar shaped tooth, with bevel gear engagement and be provided with the bar shaped travelling gear of bar shaped tooth, with the engagement of bar shaped travelling gear and differential gearing and convex gear on same axle center, the cannon pinion that connects at the axle upper spring of differential gearing and convex gear, when moving spring on the cannon pinion and be compressed and cannon pinion engagement and the eccentric pin eccentric gear of band foot-propelled;
Described electric gear roller box inside also is provided with the gear sound generating mechanism, and described gear sound generating mechanism comprises and is arranged in the electric gear roller box pronunciation sheet that contacts with sawtooth on one of them gear in the coaxial bidentate wheel, is arranged on the resonator on the sheet;
The moving connecting rod that described actuation mechanism comprise the movable eccentric wheel that flexibly connects with the electric gear roller box, flexibly connect with a movable eccentric wheel, with a head shell that moving connecting rod flexibly connects.
Described mouth actuation mechanism comprises that an end is arranged on the electric gear roller box, the arch bar that the other end and head shell flexibly connect and contact with the face projection;
The foot-propelled connecting rod that described foot walking mechanism comprises the foot-propelled eccentric wheel that flexibly connects with the electric gear roller box, flexibly connects with the foot-propelled eccentric wheel.
The beneficial effects of the utility model are: (1) is simple in structure: only need to get final product at the health enclosure electric gear roller box that can drive and can finish exercises of packing into; (2) function image: with the movable eccentric wheel that the electric gear roller box flexibly connects, also constantly opening and closing of face projection when can make head shell up and down very visually; The foot-propelled eccentric wheel that flexibly connects with the electric gear roller box in the health shell also can make four limbs walk; Be accompanied by the motion of head shell and face projection, the sawtooth in the coaxial bidentate wheel on one of them gear sends vivid sound with the friction of pronunciation sheet; (3) production cost is low: needn't produce any wiring board, only need to produce the different gear combination of some models and be installed together, just can constitute the used electric gear roller box of driving exercises.
Description of drawings
Fig. 1 is a perspective view of the present utility model;
Fig. 2 is each exploded sketch of Fig. 1;
Fig. 3 is the explosive view of Fig. 1;
Fig. 4 is the side structure schematic diagram that figure removes the health shell;
Fig. 5 is an electric gear roller box perspective view of the present utility model;
Fig. 6 is an electric gear roller box backsight structural representation of the present utility model;
Fig. 7 is the structural representation of electric gear roller box internal gear sound generating mechanism of the present utility model.
The specific embodiment
1, the utility model head shell swing, the opening and closing of face projection and the operation principle of sounding:
Shown in Fig. 1 to 7, the utility model comprises head shell 1, face projection 2 below head shell 1, health shell 3, the forward foot in a step 4, the rear foot 5, described health shell 3 inside are provided with electric gear roller box 6, flexibly connect and in health shell 3, be provided with the mouth actuation mechanism with electric gear roller box 6, actuation mechanism, foot's walking mechanism, described electric gear roller box 6 comprises motor 7, be arranged on the driven wheel 8 on the motor 7, with driven wheel 8 engagement and have the bevel gear 9 of bar shaped tooth, with bevel gear 9 engagement and be provided with the bar shaped travelling gear 10 of bar shaped tooth, with 10 engagements of bar shaped travelling gear and differential gearing 11 and convex gear on same axle center, the cannon pinion 13 that connects at the axle upper spring of differential gearing 11 and convex gear 12, coaxial bidentate wheel 14 with cannon pinion 13 engagements, be provided with the gear I16 of a movable eccentric wheel A15 with 14 engagements of coaxial bidentate wheel and an end, with gear I16 engagement and at one end be provided with the gear II18 of a movable eccentric wheel B17.Described electric gear roller box 6 inside also are provided with the gear sound generating mechanism, and described gear sound generating mechanism comprises and is arranged in the electric gear roller box 6 the pronunciation sheet 21 that contacts with sawtooth on one of them gear in the coaxial bidentates wheel 14, is arranged on the resonator 22 on the sheet 21.The moving connecting rod 23 that described actuation mechanism comprise the movable eccentric wheel that flexibly connects with electric gear roller box 6, flexibly connect with a movable eccentric wheel, with a head shell 1 that moving connecting rod 23 flexibly connects.Described mouth actuation mechanism comprises that an end is arranged on the electric gear roller box 6, the arch bar 24 that the other end and head shell 1 flexibly connects and contact with face projection 2, described foot walking mechanism comprise the foot-propelled eccentric wheel 19 that flexibly connects with electric gear roller box 6, with the foot-propelled connecting rod 25 of foot-propelled eccentric wheel 19 flexible connections.
2, the operation principle of the utility model quadruped locomotion:
Shown in Fig. 1 to 7, the utility model comprises head shell 1, face projection 2 below head shell 1, health shell 3, the forward foot in a step 4, the rear foot 5, described health shell 3 inside are provided with electric gear roller box 6, flexibly connect and in health shell 3, be provided with the mouth actuation mechanism with electric gear roller box 6, actuation mechanism, foot's walking mechanism, described electric gear roller box 6 comprises motor 7, be arranged on the driven wheel 8 on the motor 7, with driven wheel 8 engagement and have the bevel gear 9 of bar shaped tooth, with bevel gear 9 engagement and be provided with the bar shaped travelling gear 10 of bar shaped tooth, with 10 engagements of bar shaped travelling gear and differential gearing 11 and convex gear 12 on same axle center, the cannon pinion 13 that connects at the axle upper spring of differential gearing 11 and convex gear 12, when moving spring on the cannon pinion 13 and be compressed and the pin eccentric gear 20 of cannon pinion 13 engagements and band foot-propelled eccentric wheel 19.Described electric gear roller box 6 inside also are provided with the gear sound generating mechanism, described gear sound generating mechanism comprises being arranged in the electric gear roller box 6 takes turns the pronunciation sheet 21 that the sawtooth on one of them gear contacts in 14 with coaxial bidentate, be arranged on the resonator 22 on the pronunciation sheet 21, described actuation mechanism comprises a movable eccentric wheel that flexibly connects with electric gear roller box 6, with a moving connecting rod 23 of movable eccentric wheel flexible connection, head shell 1 with moving connecting rod 23 flexible connections of head, described mouth actuation mechanism comprises that an end is arranged on the electric gear roller box 6, the arch bar 24 that the other end and head shell 1 flexibly connects and contact with face projection 2, described foot walking mechanism comprises the foot-propelled eccentric wheel 19 with 6 flexible connections of electric gear roller box, foot-propelled connecting rod 25 with 19 flexible connections of foot-propelled eccentric wheel.
3, the operation principle of electric gear roller box
(1) when moving spring on the cannon pinion and is compressed
As shown in Figs. 5 to 7, motor 7 drives after the driven wheel 8, driven wheel 8 transmission bevel gears 9, differential gearing 11 and convex gear 12 that bevel gear 9 drives on same axle center by bar shaped travelling gear 10, the cannon pinion 13 that connects at the axle upper spring of differential gearing 11 and convex gear 12 also rotates simultaneously, when moving spring on the cannon pinion 13 and be compressed, drive four limbs with the pin eccentric gear 20 of cannon pinion 13 engagements by foot-propelled connecting rod 25, realize the walking action of four limbs.
(2) when cannon pinion moves down spring reset
As shown in Figs. 5 to 7, motor 7 drives after the driven wheel 8, driven wheel 8 transmission bevel gears 9, differential gearing 11 and convex gear 12 that bevel gear 9 drives on same axle center by bar shaped travelling gear 10, the cannon pinion 13 that connects at the axle upper spring of differential gearing 11 and convex gear 12 also rotates simultaneously, when cannon pinion 13 moves down and spring when recovering, cannon pinion 13 is taken turns 14 engaged transmission with coaxial bidentate, be provided with the gear I16 of a movable eccentric wheel A15 with 14 engagements of coaxial bidentate wheel and an end, be provided with a movable eccentric wheel B17 with gear II18 one end of a gear I16 engagement and a relative side, realize moving up and down and 2 opening and closing of face projection of band head shell 1 by this above-mentioned two statures movable eccentric wheel, can also send and the similar sound of true bear.