CN2803887Y

CN2803887Y - Pedal toy tricycle

Info

Publication number: CN2803887Y
Application number: CNU2005200682505U
Authority: CN
Inventors: 顾洪钧
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-01-13
Filing date: 2005-01-13
Publication date: 2006-08-09
Anticipated expiration: 2015-01-13

Abstract

The utility model discloses a pedal toy tricycle which comprises a tricycle stage, a universal castor arranged on the rear end of the tricycle stage, two front-wheel drive devices respectively arranged on the right side and the left side of the front end of the tricycle stage, and front wheels, wherein the front-wheel drive device comprises a driver with pedals, an actuator and a shaft casing for coating the former devices, and the front wheels are respectively arranged on the tail ends of the left front-wheel drive device and the right front-wheel drive device. The execution mode of the pedal toy tricycle can be divided into three kinds: the front-wheel driving device and the front wheel are arranged on the same axle; the front-wheel driving device and the fake front wheel are arranged eccentrically while the front-wheel driving device and the small wheel in the fake front wheel are arranged on the same axle; the front-wheel driving device and the front wheel are arranged eccentrically. When the pedal is stepped, the straight power is changed into revolving power by the driver and outputted by the acceleration of the actuator, then the front wheel or the small wheel in the front wheel can rotate forwards, and the tricycle stage is steered by the different speed difference of the right wheel and the left wheel.

Description

Pedalling toy tricycles

One, technical field

The utility model relates to a kind of toy tricycles, relate in particular to a kind of override type, two-wheeled preceding, one take turns after toy tricycles, trample about the place ahead two pedals by both feet and order about ride and advance, and the different rotating speeds difference by two front-wheels turns to ride under the operation of directionless dish.

Two, background technology

The structure of general three-wheel vehicle comprises following two kinds: a kind of is with two trailing wheels about the collocation of single front-wheel, another kind be with about the two front-wheels single trailing wheel of arranging in pairs or groups; Its steering mode is: first kind of three-wheel vehicle sees through bull stick interlock front-wheel steering by handle, second kind of three-wheel vehicle trampled with the pedal of preceding sprocket coaxiality with both feet and made preceding sprocket wheel drive chain so that the sprocket wheel rotation, because the back sprocket wheel is coaxial with trailing wheel, so ride is moved.

Such three-wheel vehicle has following shortcoming: 1, must have the handle of the usefulness of turning to, all be positioned at the ride front end with direction and the handle of controlling ride, safety is not high; 2, two trailing wheels or two front-wheels are necessary for coaxial can the rotation synchronously and move; 3, transmission device can not be realized the function of speedup, therefore the ride speedup is advanced; 4, interest is not high, only has mono-makes the ride motion by wheel revolutions occupation mode.

Three, summary of the invention

1, goal of the invention: a kind ofly trample left and right sides pedal respectively with both feet and two front-wheels are rotated make ride can move the toy tricycles that advances thereby the purpose of this utility model provides, two front-wheels of this three-wheel vehicle have independently driving device and can realize the control of pin to direction.

2, technical scheme: in order to reach the foregoing invention purpose, Pedalling toy tricycles of the present utility model comprises a ride, be located at the Universal castor of ride rear end, front-wheel, this Pedalling toy tricycles also comprises: two front droves that are arranged at the ride front end left and right sides respectively, front drove comprises actuator, driver and axle housing, wherein, actuator comprises a pedal, one for pedal insertion and fixing axle sleeve, a unidirectional ratchet that cooperates with axle sleeve ingear ratchet with ratchet, and be arranged on the anchor shaft and by a torsion spring set on axle sleeve, torsion spring one end inserts in the ratchet, and the other end inserts in the axle housing; Anchor shaft one end combines with the ride front end, and other end clutch disk also combines with the end face of the pinion stand of driver; Driver comprises and the ring gear of aforementioned ratchet engagement, one and first gear of the interior ring ratchet engagement of ring gear, a gear cluster and a pinion stand; The axle housing medial extremity combines with the ride front end, and external side end combines with the pinion stand chassis, and axle housing is provided with short slot and passes for pedal.

Ride comprises that a backbone, one are located at the disc of key front end, the seat by disc oblique extension backward, and wherein, the central short slot of seat can pass for the backbone, the seat end on the backbone and both be connected after the disc jointly; The seat both sides of ride are provided with perforation, and the disc front end is provided with carrying handle.

Front-wheel can be off-centre driving wheel not, and a steamboat is respectively arranged by a gear mesh in a coaxial with it gear and the driver.

Front-wheel can also be eccentric movable wheel, and this off-centre movable wheel comprises that a tire that is looped around the outer ring, one are fixedly arranged on the ring gear in the tire, a ring and are located at roller steel ring in the ring gear and its and have short slot and mesh to hold gear and aforementioned ring gear.

The seat both sides of ride are provided with brake crank and are connected with driver and are provided with brake at the brake cable end by brake cable.

Goal of the invention of the present utility model can also be achieved through the following technical solutions: toy tricycles of the present utility model comprises ride, is located at the Universal castor of ride rear end, front-wheel, this Pedalling toy tricycles also comprises: the axle housing that combines with pedal, the driver in being arranged in the axle housing, wherein, driver comprises first gear of ring gear, and the interior ring ratchet engagement of ring gear, gear cluster and a pinion stand.

Front-wheel is eccentric movable wheel, and this off-centre movable wheel comprises that a tire that is looped around the outer ring, ring gear, ring that is fixedly arranged in the tire are located at roller steel ring in the ring gear and its and have short slot and mesh to hold gear and aforementioned ring gear.

Be provided with in the axle housing ring gear and with a gear mesh of driver, the axle housing bottom is provided with short slot.

Be provided with brake crank in the perforation of the seat both sides of ride and be connected with driver and be provided with brake at the brake cable end by brake cable.

3, profitable fruit

The utlity model has following beneficial effect: (1) can allow the operator change turning to of ride by the control of both feet, thereby reaches the effect of entertaining and reinforcement leg exercise; Do not need the brake handle, thereby improved safety greatly; (2) drive manner of front-wheel has multiplely, and can make the low or front and back maintenance level in high back before the ride, all can make the operator realize different result of use and interests in the past; (3) nearer and seat both sides are provided with brake gear to ride apart from ground, and are therefore safe; (4) driving device of front-wheel can be realized the function quickened, can save operator's strength.

Four, description of drawings

Fig. 1 is the block diagram of first kind of embodiment of Pedalling toy tricycles of the present utility model;

Fig. 2 is the diagram of work of first kind of embodiment of Pedalling toy tricycles of the present utility model;

Fig. 3 is a block diagram of observing front drove from the back angle;

Fig. 4 is the block diagram that the past angle is observed front drove;

Fig. 5 is the three-dimensional exploded view of front drove;

Fig. 6 is the three-dimensional cutaway view of front drove;

Fig. 7 is the block diagram of second kind of embodiment of Pedalling toy tricycles of the present utility model;

Fig. 8 is the forward sight diagram of work of second kind of embodiment of Pedalling toy tricycles of the present utility model;

Fig. 9 is the side-looking diagram of work of second kind of embodiment of Pedalling toy tricycles of the present utility model;

Figure 10 is the block diagram of the third embodiment of Pedalling toy tricycles of the present utility model;

Figure 11 is the block diagram of the front drove of the third embodiment;

Figure 12 is the block diagram of the 4th kind of embodiment of Pedalling toy tricycles of the present utility model;

Figure 13 is the three-dimensional cutaway view of the front drove of the 4th kind of embodiment;

Figure 14 is the cutaway view of the I-I direction of Figure 13.

Five, the specific embodiment

Embodiment one: as Fig. 1 and shown in Figure 5, Pedalling toy tricycles 10 comprises a ride 11, a Universal castor 12 of being located at ride 11 rear ends, front-wheel 15, this Pedalling toy tricycles also comprises: two front droves 22 that are arranged at the ride 11 front end left and right sides respectively, front drove 22 comprises actuator 13, driver 14 and axle housing 29, wherein, actuator 13 comprises a pedal 23, one for pedal 23 insertions and fixing axle sleeve 24, one with axle sleeve 24 ingear ratchets 25 and the unidirectional ratchet 251 that cooperates with ratchet 25, and be arranged on the anchor shaft 27 and and be enclosed within on the axle sleeve 24 by a torsion spring 28, torsion spring 28 1 ends insert in the perforation 252 of ratchet 25, the other end inserts in the perforation 292 of axle housing 29, after pushes pedals 23, can drive axle sleeve 24, ratchet 25, unidirectional ratchet 26 rotates forward, when not trampling, ratchet 25 be subjected to the elasticity of torsion spring 28 return again the effect and together with pedal 23, axle sleeve 24 is answered back, and axle housing 29 is provided with the hunting range that short slot 30 can limit pedal 23.When ratchet 25 returned again, unidirectional ratchet 26 did not return again, was because ratchet 26 is subjected to the idle running effect of ratchet 25 side single direction ratchet 251, can only be rotated in the forward and can not reversely turn round; Anchor shaft 27 1 ends combine with ride 11 front ends, and other end clutch disk 33 also combines with the end face of the pinion stand 38 of driver 14; Driver 14 comprises and interior ring ratchet 31 ingears first gear 36 of aforementioned ratchet 251 ingear ring gears 34, and ring gear 34, a gear cluster 37 and a pinion stand 38, ring gear 34 is by interior ring ratchet 31 and ratchet 26 engagements, and drive first gear 36 with outer shroud ratchet 35 again during ring gear 34 rotations, change and reach speedup through the number of teeth of gear cluster 37 afterwards and do, and drive to the most last gear 39 backs and give front-wheel 15 with center shaft 40 outputting powers and rotate.When the ratchet 25 of actuator 13 is subjected to the effect of torsion spring 28 and during reversed turning, can ring gear 34 can not be turned round because of unidirectional ratchet 26 does not turn round.Axle housing 29 medial extremitys combine with ride 11 front ends, and external side end combines with pinion stand 38 chassis, and axle housing 29 is provided with short slot 293 and passes for pedal 23.

Ride 11 comprises that a backbone 16, one are located at the disc 17 of key 16 front ends, the seat 18 by disc 17 oblique extension backward, wherein, the central short slot 19 of seat 18 can pass for key 16, and seat 18 ends are on key 16 and after both are connected disc 17 jointly.Seat 18 both sides of ride 11 are provided with perforation 20, and disc 17 front ends are provided with carrying handle 21.

Behind two pedals 23, front-wheel 15 is rotated simultaneously and drive ride 11 and advance about the operator tramples; And make off front wheel 15 rotation when the operator tramples right-hand tread plate 23, and and left-hand tread plate 23 do not trample or tramples when slow, then ride 11 can left-handed turnings; Otherwise, trample left-hand tread plate 23 the operator and make the near front wheel 15 rotation, and right-hand tread plate 23 do not trample or trample when slow, then ride 11 can right-hand turnings, like this, can realize the direction control of ride 11 by the speed discrepancy of two front-wheels 15.

In the present embodiment, front-wheel 15 also can adopt planetary wheel, can reach the effect of entertaining motion.

Embodiment two: as Fig. 7, Fig. 8 and shown in Figure 9, the difference of the Pedalling toy tricycles of the Pedalling toy tricycles of this embodiment and embodiment one is that the axle housing 29 of front drove 22 of the three-wheel vehicle of present embodiment is to extend axially in the wheel rim of front-wheel 15, front-wheel 15 does not have the wheel hub bar, so be must be connected partially with axle housing 29, affixed mode can be bolt, splicing or welding etc.; Be provided with in front-wheel 15 bottoms and wear groove 41, wear and be provided with rotatable steamboat 42 in the groove 41, steamboat 42 is coaxial with a gear 43, this gear 43 then cooperates with gear cluster 37 in the embodiment one, so after operator's pushes pedals 23, will drive structure such as actuator 13 and after driving to gear cluster 37 speedups, drive steamboat 42 rotations again.

During toy tricycles 10 from the visual observation campaign, can find that the universal of rear end turns to 12 can rotate freely with ride 11, and two eccentric front-wheels 15 of front end can not rotate, the steamboat 42 that only is hidden in two front-wheels 15 just can really rotate, steamboat 42 has only sub-fraction to be exposed at front-wheel 15 bottoms outward to wear groove 41 times, so be difficult for allowing the people find the existence of steamboat 42, thereby have the special-effect of making us unimaginably queer.

Ride 11 keeps horizontality, and is different with the state that the ride 11 preceding high backs in the embodiment one are low.

Embodiment three: as shown in figure 10, front-wheel 15 is movable runners, different with front-wheel in the embodiment two 15 for the vacation wheel function of covering up usefulness, its structure as shown in figure 11, it comprises that a tire that is looped around the outer ring 44, ring gears 45, ring that is fixedly arranged in the tire 44 are located at roller steel ring 46 in the ring gear 45 and it has short slot 462 to hold gear 47 and aforementioned ring gear 45 engagements.Roller steel ring 46 and axle housing 29 secure bond, and ring gear 45 is for the supporter of tire 44 and to be looped around roller steel ring 46 peripheral and have a function that rotates freely, because the outer shroud of roller steel ring 46 has many rollers 461, so can make ring gear 45 produce the rotate effect of low frictional factor.

Gear 47 must pass the short slot 462,293 under axle housing 29 and the roller steel ring 46 and mesh with ring gear 45; When driving ring gear 45 rotations, gear 47 equals to make simultaneously front-wheel 15 rotations, so the eccentric wheel that the front-wheel 15 of present embodiment moves in being.During toy tricycles 10 in observe moving, the Universal castor 12 that can find the rear end moves with ride 11 and rotates freely, and two eccentric front-wheels 15 of front end also can rotate under stepping on, this kind has the special-effect of making us unimaginably queer by the rotation mode of the eccentric front-wheel 15 of 22 drives of the traction avant device in the axle housing 29.

Embodiment four: as shown in figure 12, front-wheel 15 is eccentric corresponding states with front drove 22, but pedal 23 is one with axle housing 29, and axle housing 29 has arc gap groove 293, therefore can make axle housing 29 interlock together after stepping on pedal 23, this course of action such as Figure 13 and shown in Figure 14, anchor shaft 27 1 ends and disc 17 are affixed, it is affixed with nut 48 that the other end passes pinion stand 38 backs, and this anchor shaft 27 is combined with gear 47 and torsion spring 28; Wherein, gear 47 meshes with the ring gear 50 of axle housing 29 inwalls, it is outer and penetrate in the short slot 462 of roller steel ring 46 that the bottom of gear 47 is piercing in the short slot 293 of axle housing 29 again, and with the tire 44 of front-wheel in ring gear 45 engagements, 27 of gear 47 and anchor shafts are combined with unilateral bearing 49 again; Secondly, torsion spring 28 1 ends are fixed in the narrow axle 291 of axle housing 29, and the other end then is fixed on the anchor shaft 27, thus when pedal 23 behind axle housing 29 interlocks, can return again to act on by the elasticity of torsion spring 28 and reduce, so that the operator tramples continuously.

Step on pedal 23 backs and 29 rotations of interlock axle housing, the ring gear 50 in the axle housing 29 now goes on foot driven gear 47, is given the ring gear 45 of front-wheel 15 and then tire 44 can be rotated by gear 47 transmissions again and advance.Step on finish after, torsion spring 28 can be to axle housing 29 and pedal 23 effect of answering back, at this moment the unilateral bearing 49 that cooperates in the gear 47 dallies, so can transmission do not give the ring gear 45 of front-wheel 15, the operator can step on again and pedal 23 is answered back afterwards, so constantly step on pedal 23 continuously, will front-wheel 15 rotations be advanced in the intermittently-driving mode.

Therefore anyway front-wheel 15 rotates, and its bottom all can be confined in the short slot 293 of axle housing 29, but can not be partial to when standard front-wheel 15 rotates.

Pedal 23 is structure as a whole with axle housing 29, thus step on pedal 23 both one interlocks afterwards, motionless with fwd embodiment intermediate axle housing 29 and to have only pedal 23 to swing in the short slot 30 of axle housing be different.Driver is to adopt individual gears 47 transmissions, but not the multiplying wheel group, but can also make the form of multiplying wheel group into, and adopts individual gears to carry out work the application of force to be reduced, trample easily.

Be provided with brake crank 51 in the perforation 20 of seat 18 both sides of ride 11 and be connected with driver 14 and be provided with brake at the brake cable end by brake cable.

Claims

1, a kind of Pedalling toy tricycles, comprise: ride (11), be located at the Universal castor (12) of ride (11) rear end, front-wheel (15), it is characterized in that: this Pedalling toy tricycles also comprises: two front droves (22) that are arranged at ride (11) the front end left and right sides respectively, front drove (22) comprises actuator (13), driver (14) and axle housing (29), wherein, actuator (13) comprises a pedal (23), one for pedal (23) insertion and fixing axle sleeve (24), one with axle sleeve (24) ingear ratchet (25) and the unidirectional ratchet (251) that cooperates with ratchet (25), and be arranged in that an anchor shaft (27) is gone up and be enclosed within on the axle sleeve (24) by a torsion spring (28), torsion spring (28) one ends insert in the ratchet (25), and the other end inserts in the axle housing (29); Anchor shaft (27) one ends combine with ride (11) front end, and other end clutch disk (33) also combines with the end face of the pinion stand (38) of driver (14); Driver (14) comprises and aforementioned ratchet (251) ingear ring gear (34), one interior ring ratchet (31) ingear first gear (36), a gear cluster (37) and the pinion stand (38) with ring gear (34); Axle housing (29) medial extremity combines with ride (11) front end, and external side end combines with pinion stand (38) chassis, and axle housing (29) is provided with short slot (293) and passes for pedal (23).

2, Pedalling toy tricycles as claimed in claim 1, it is characterized in that: ride (11) comprises that a backbone (16), one are located at the disc (17) of backbone (16) front end, the seat (18) by disc (17) oblique extension backward, wherein, the central short slot (19) of seat (18) can pass for key (16), and seat (18) is terminal to be gone up and both are connected disc (17) afterwards jointly in key (16).

3, Pedalling toy tricycles as claimed in claim 2 is characterized in that, seat (18) both sides of ride (11) are provided with perforation (20), and disc (17) front end is provided with carrying handle (21).

4, Pedalling toy tricycles as claimed in claim 1 is characterized in that, front-wheel (15) is a not driving wheel of off-centre, and a steamboat (42) is respectively arranged by a gear mesh in a coaxial with it gear (43) and the driver (13).

5, Pedalling toy tricycles as claimed in claim 1, it is characterized in that, front-wheel (15) is eccentric movable wheel, and this off-centre movable wheel comprises that a tire (44) that is looped around the outer ring, one are fixedly arranged on that the ring gear (45) in the tire (44), a ring are located at roller steel ring (46) in the ring gear (45) and it has short slot (462) to hold gear (47) and aforementioned ring gear (45) engagement.

6, Pedalling toy tricycles as claimed in claim 1 is characterized in that, is provided with brake crank (51) in the perforation (20) of seat (18) both sides of ride (11) and is connected with driver (14) and is provided with brake at the brake cable end by brake cable.

7, a kind of Pedalling toy tricycles, comprise ride (11), be located at Universal castor (12), the front-wheel (15) of ride (11) rear end, it is characterized in that, this Pedalling toy tricycles also comprises: with the axle housing (29) of pedal (23) zygote, be arranged at driver (14) in (29) in the axle housing, wherein, driver (14) comprises interior ring ratchet (31) ingear first gear (36), a gear cluster (37) and a pinion stand (38) of ring gear (34), and ring gear (34).

8, Pedalling toy tricycles as claimed in claim 7, it is characterized in that, front-wheel (15) is eccentric movable wheel, and this off-centre movable wheel comprises that a tire (44) that is looped around the outer ring, ring gear (45), ring that is fixedly arranged in the tire (44) are located at roller steel ring (46) in the ring gear (45) and it has short slot (462) to hold gear (47) and aforementioned ring gear (45) engagement.

9, Pedalling toy tricycles as claimed in claim 7 is characterized in that, be provided with in the axle housing (29) ring gear (50) and with a gear mesh of driver, axle housing (29) bottom is provided with short slot (462).

10, Pedalling toy tricycles as claimed in claim 7 is characterized in that, is provided with brake crank (51) in the perforation (20) of seat (18) both sides of ride (11) and is connected with driver (14) and is provided with brake at the brake cable end by brake cable.