CN101537850A

CN101537850A - Swing-type baby carriage driven by two rear wheels

Info

Publication number: CN101537850A
Application number: CN200910098077A
Authority: CN
Inventors: 吴茂盛
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-27
Filing date: 2009-04-27
Publication date: 2009-09-23
Anticipated expiration: 2029-04-27
Also published as: CN101537850B

Abstract

The invention relates to a swing-type baby carriage driven by two rear wheels, which comprises a supporting body, a push handle, a vehicle underframe, the rear wheels and steering front wheels. The two rear wheels are arranged at the rear part of the vehicle underframe, the steering front wheels are arranged at the front part of the vehicle underframe, the rear wheels are driving wheels, a one-way clutch is arranged between the driving wheels and a driving wheel axle, and the driving wheel axle is rotatably matched with the rear part of the vehicle underframe; when the driving wheels rotate forwards, the one-way clutch is utilized to drive the driving wheel axle to synchronously rotate forwards; when the driving wheels rotate backwards, the driving wheel axle is not driven to rotate; the vehicle underframe is rotatably provided with an eccentric axis, the driving wheel axle is linked with the eccentric axis by a reduction gear, the eccentric axis is rotatably matched with a connecting rod which is fixedly connected with the supporting body, and the eccentric axis leads the supporting body to move by the connecting rod; and a swing mechanism is respectively arranged above the front part of the vehicle underframe and below the front part of the supporting body. The swing-type baby carriage has two walking states: translation walking and dynamic walking, namely the supporting body does up and down motion and swings back and forth, and the two states can be conveniently switched according to different needs of users.

Description

The rocking-type bassinet that back two-wheel drives

[technical field]

The invention belongs to perambulator manufacturing technology field.

[background technology]

As everyone knows, existing perambulator all is a walking in a horizontal state, and promptly Hang Zou track is horizontal, and it is particular about and carries out mobile stationarity.Yet along with infant's continuous growth, its mobility constantly strengthens, and he can feel dull to existing perambulator, has no enjoyment and can say, psychology is weary of in of a specified duration just can producing perambulator.Therefore, the applicant has developed the multiple dynamic baby carriage that can strengthen landing enjoyment, is accepted by State Intellectual Property Office, and existing the applicant designs dynamic formula Swing perambulator with another kind of technical scheme again.

[summary of the invention]

The invention discloses a kind of rocking-type bassinet that is driven by the back two-wheel, this perambulator both can be put down away, again can dynamic formula Rocking-walk.

The technical solution used in the present invention: the rocking-type bassinet that the back two-wheel drives, comprise supporting body, handle, under-carriage, two trailing wheels and steering front wheel, two trailing wheels are located at the rear portion of under-carriage, steering front wheel is located at the front portion of under-carriage, trailing wheel is a drive wheel, be provided with free-wheel clutch between drive wheel and live axle, live axle cooperates with under-carriage posterior rotation formula, when drive wheel rotates forward, utilizing free-wheel clutch to drive live axle rotates forward synchronously, when drive wheel rotates backward, do not drive live axle and rotate; An eccentric shaft is installed on rotary type ground on the under-carriage, and live axle links by a speed reduction gearing and eccentric shaft, eccentric shaft and connecting rod normal-running fit, and connecting rod and supporting body are fixedly linked, and eccentric shaft makes the supporting body motion by connecting rod; Under-carriage front upper and supporting body lower front are provided with wabble mechanism.

Described rocking-type bassinet, free-wheel clutch adopts ratchet clutch or roller type power-transfer clutch.

Described rocking-type bassinet, under-carriage front upper place and supporting body front lower place all are provided with lug, the rocking bar upper and lower side of wabble mechanism respectively with two lug normal-running fiies.

Described rocking-type bassinet, eccentric shaft are the crank throw formula, and the connecting rod normal-running fit is in the two ends of eccentric shaft.

Described rocking-type bassinet, eccentric shaft is a crank type, and bent axle is concavity, and the connecting rod normal-running fit is in the recess of bent axle.

Described rocking-type bassinet, live axle rotates by the gear driven eccentric shaft, and the gear that links to each other with live axle is a driving wheel, and the gear that links to each other with eccentric shaft is a follower, and the diameter of follower is greater than driving wheel, and driving wheel is by idle pulley and follower engagement; Overcoat gear frame on the live axle, tooth rest rotates or along the moving axially of live axle, during the walking manner of conversion perambulator, pulls tooth rest or traveling gear frame along live axle, idle gear is meshed with driven gear or breaks away from.

Described rocking-type bassinet, live axle drives eccentric shaft by sprocket wheel and chain and rotates, and the sprocket wheel that links to each other with live axle is a driving wheel, and the sprocket wheel that links to each other with eccentric shaft is a follower, and the diameter of follower is greater than driving wheel.

Described rocking-type bassinet is provided with spring installation between supporting body and year underframe.

Described rocking-type bassinet, the guide rod seat is installed in the supporting body bottom, and leader casing is installed on the under-carriage, be installed on the guide rod seat to the upper end swing formula of guide rod, the sheathed spring of guide rod, insert in the leader casing lower end of guide rod.

The described pendulum-type perambulator that shakes, spring perch is installed in the supporting body bottom, and lower spring cup is installed on the under-carriage, and the two ends of V-arrangement spring are installed on upper spring seat, lower spring cup respectively, and the head of V-arrangement spring can relatively rotate on spring perch.

Perambulator of the present invention has two kinds of walking states, and first kind is traditional parallel-moving type walking, and second kind is that supporting body is made heave and set, the dynamic formula walking of the motion that rocks back and forth.The user can change the walking states of perambulator easily according to different needs.

[description of drawings]

Fig. 1 is the structural representation of embodiment one.

Fig. 2 is the back view of embodiment one.

Fig. 3 is the A-A view of Fig. 1.

Fig. 4 lifts the birds-eye view of supporting body for perambulator.

Fig. 5 is the structural representation of roller-type overrunning clutch.

Fig. 6 is the structural representation of Ratcheting one-way clutch.

Fig. 7 is the structural representation of embodiment two.

Fig. 8 is the back view of embodiment three.

Fig. 9 is the local structure figure of embodiment four condition one.

Figure 10 is another local structure figure of embodiment four condition one.

Figure 11 is the local structure figure of embodiment four condition two.

Figure 12 is another local structure figure of embodiment four condition two.

Figure 13 is the local structure figure of embodiment four condition three.

Figure 14 is the local structure figure of embodiment five.

Figure 15 is the plan structure figure after embodiment six lifts supporting body.

Figure 16 is the local structure figure of embodiment six.

Figure 17 is the local structure figure of embodiment seven.

In the diagram: 1, front-wheel, 2, supporting body, 3, handle, 4, under-carriage, 5, driving gear, 6, idle gear, 7,7A, 7B, driven gear, 8, live axle, 9, stirrup, 10, crank throw, 11, connecting rod, 12, spring, 13, drive wheel, 14, crank shaft, 15, tooth rest, 16, main brass, 17, the crank shaft axle bed, 18, upper lug, 19, following lug, 20, rocking bar, 21, bearing pin, 22, eccentric orfice, 23, belt, 24, driving pulley, 25, chain, 26, drive sprocket, 27, driven pulley, 28, driven sprocket, 29, the guide rod seat, 30, leader casing, 31, guide rod, 32, upper spring seat, 33, the V-arrangement spring, 34, lower spring cup, 35, connecting rod, 36 bent axles, 120, the power-transfer clutch inner ring, 121, breach, 122, push rod, 123, roller, 124, spring, 125, clutch outer, 126, key, 317, pedestal, 319, latch, 320, spring, 321, the latch lever, 324, breach.

[specific embodiment]

Below in conjunction with accompanying drawing the embodiment of the invention is elaborated.

Embodiment one: shown in Fig. 1-4, perambulator comprises supporting body 2, front-wheel 1, spring 12, rear drive sprocket 13, handle 3, two drive wheels 13 are located at the two ends of live axle 8, and drive wheel 13 cooperates connection with live axle 8 by free-wheel clutch, and the structure of free-wheel clutch sees below.Drive wheel 13 rotates and can drive the rotation synchronously of live axle 8 dos.Upper lug 18 is established in under-carriage 4 front upper places, rocking bar 20 lower ends and following lug 19 normal-running fiies, upper end and upper lug 8 normal-running fiies.Handle 3 is captiveed joint with under-carriage 4, and the rear portion of under-carriage 4 also connects handle 3 by stirrup 19.

Guide rod seat 29 is installed in supporting body 2 bottoms, and leader casing 30 is installed on the under-carriage 4, be installed on the guide rod seat 29 to the upper end swing formula of guide rod 31, and guide rod 31 sheathed springs 12, insert in the leader casing 30 lower end of guide rod 31.Spring plays buffering and return action to supporting body, makes the motion of supporting body more steady.

Driving gear 5 is established at the middle part of live axle 8, links to each other by long key between the two.The latter half of crank shaft 14 of establishing of under-carriage 4, the rotary type ground, two ends of crank shaft 14 cooperate on the crank throw axle bed 17, and crank throw axle bed 17 is fixedly linked with under-carriage 4.Crank shaft 14 and crank throw 10 rigid fits, crank throw 10 is rotatedly connected with connecting rod 11, and the back bottom of the upper end of connecting rod 11 and supporting body 2 is fixedly linked.Establish driven gear 7 on the middle part of crank shaft 14, the external diameter of driven gear 7 is greater than the external diameter of driving gear 5, and driven gear 7 meshes by idle gear 6 with driving gear 5.Overcoat gear frame 15 on the live axle 8, tooth rest 15 can rotate along live axle 8, and can be along the moving axially of live axle 8, during the walking manner of conversion perambulator, pull tooth rest or traveling gear frame 15, idle gear 6 is meshed with driven gear 7 or breaks away from.15 of idle gear 6 and tooth rests pass through the bearing pin normal-running fit.

Under-carriage 4 links to each other by main brass 16 with

live axle

8, and 16 of live axle 8 and main brasss can relatively rotate.

When drive wheel 13 drives live axle 8 rotation synchronously, live axle 8 makes driving gear 5 rotate again, driving gear 5 rotates driven gear 7 by idle gear 6, and crank shaft 14 and crank throw 10 are rotated synchronously, the motion that crank throw 10 rises and falls supporting body 2 by connecting rod 11.In conjunction with the effect of anterior wabble mechanism, it makes supporting body 2 do the motion that rocks back and forth again, makes supporting body 2 make heave and set at last, well-regulated motion rocks back and forth.

Certainly, along the moving axially tooth rest 15 or pull open tooth rest 15 of live axle 8, driving gear 5 and idle gear 6 are separated with driven gear 7, at this moment, supporting body 2 does not move, and its walking is identical with existing horizontal feeding type perambulator.

As shown in Figure 5, can adopt the roller type power-transfer clutch to be connected between rear drive sprocket and live axle, structure is as follows: the two ends of live axle 8 respectively utilize the power-transfer clutch inner ring 120 of a key 126 affixed power-transfer clutchs, power-transfer clutch inner ring 120 is along uniform several breach 121 of excircle, on the facade of breach 121, be provided with spring eye, built-in spring 124 of spring eye and push rod 122, the roller 123 on the breach 121 is withstood in the outer end of push rod 122, and roller 123 can roll on breach 121.125 of power-transfer clutch inner ring 120 and clutch outer leave running clearance, and clutch outer 125 is fixedly linked with drive wheel 13.

When two drive wheels 13 rotate forward, promptly along clickwise, roller 123 is under the elastic force effect of push rod 122 and spring 124, tightly be stuck in the skewed slot of clutch outer 125 and power-transfer clutch inner ring 120, this moment, power-transfer clutch was in bonding state, and drive wheel 13 and clutch outer 125 are rotated synchronously by roller 123 drive power-transfer clutch inner rings 120, live axle 8.

When two drive wheels 13 rotated backward, promptly along left-hand revolution, roller 123 skidded with the inwall of clutch outer 125, and this moment, power-transfer clutch was in released state, and promptly drive wheel 13 is separated no continuous action relation with live axle 8.

When the perambulator straight line moving, drive live axle 8 simultaneously by two drive wheels and rotate forward; When perambulator turns left, rotate by right wheel drive live axle 8; When the perambulator turning clockwise, drive live axle 8 by revolver and rotate.

As shown in Figure 6, also can adopt ratchet clutch to be connected between drive wheel and live axle, its structure is as follows: uniform several the oblique teeth 230 of the excircle of power-transfer clutch inner ring 120.The inwall fixed clutch outer ring 125 of drive wheel 13, the inner periphery of clutch outer 125 is symmetrically formed two breach 121, establishes a rotary type ratchet 228 in the breach 121, and the other end of ratchet 228 links to each other with spring 229.

When drive wheel 13 rotates forward, promptly clockwise rotate, spring 229 ejects ratchet 228, ratchet 228 withstands the tooth 230 on the power-transfer clutch inner ring 120, this moment, power-transfer clutch was in bonding state, and drive wheel 13 and clutch outer 125 drive power-transfer clutch inner ring 120, live axle 8 by ratchet 228 and all rotate synchronously.

When two drive wheels 13 rotated backward, promptly along left-hand revolution, ratchet 228 skidded with power-transfer clutch inner ring 120, and ratchet 228 is pushed up back in the breach of clutch outer 125, this moment, power-transfer clutch was in released state, and promptly drive wheel 13 is separated no continuous action relation with live axle 8.

Embodiment two: as shown in Figure 7, spring perch 32 is installed in supporting body 2 bottoms, and lower spring cup 34 is installed on the under-carriage 4, and the two ends of V-arrangement spring 33 are installed on upper spring seat 32, lower spring cup 34 respectively, and the head of V-arrangement spring 33 can relatively rotate on spring perch.The V-arrangement spring plays buffering and return action to supporting body, makes the motion of supporting body more steady.

Other content of present embodiment is identical with embodiment one.

Embodiment three: as shown in Figure 8, rotary type bent axle 36 is installed on the axle bed 17, and a termination of bent axle 36 and driven gear 7 normal-running fiies, bent axle 36 links to each other 35 normal-running fiies of bent axle 36 and connecting rod by two connecting rods 35 with supporting body 2.

Other content of present embodiment is identical with embodiment one.

Embodiment four: shown in Fig. 9-13, live axle 8 adopts long key to cooperate with 5 of driving gears, and driving gear 5 and idle gear 6 can move axially along live axle 8.Establish driven gear 7A, the 7B of two different sizes on the crank shaft, idle gear 6 can be meshed with different driven gears or breaks away from by moving axially.

State when being depicted as idle gear 6 and bigger driven gear 7B is meshed as Figure 91 0.

State when being depicted as idle gear 6 and less driven gear 7A is meshed as Figure 11-12.

State when being separated for idle gear 6 and driven gear as shown in figure 13.

Other content of present embodiment is identical with embodiment one.

Embodiment five: as shown in figure 14, crank throw 10 adopts toroidal, and it has several eccentric orfices 22, eccentric orfice and bearing pin 21 normal-running fiies.

Other content of present embodiment is identical with embodiment one.

Embodiment six: shown in Figure 15,16, live axle 8 fastening driving pulleys 24, crank shaft 14 fastening driven pulleies 27, the external diameter of belt pulley 27 pass through belt 23 transmissions greater than the external diameter of belt pulley 24 between two belt pulleys.

Belt pulley 24 joins together with pedestal 317, insert the latch 319 of a band lever 321 on the pedestal 317, latch 319 outer casing springs 320, pedestal 317 forms strip shape breach 324 in latch lever 321 ends, the inner of latch handle 321 forms elongate in shape, corresponding with breach 324, after latch 319 turned over 90 degree, the inner of latch handle 321 just can not be inserted in the breach 324.

Other structure of present embodiment is identical with embodiment one.

State as shown in figure 16, latch 319 does not insert in the pin hole, when carrying out this perambulator, its translation walking.After latch 319 turned over 90 degree, latch 319 inserted in the pin hole under the elastic force effect of spring 320, makes drive wheel 13 and live axle 8 interlocks, and carry out this perambulator this moment, and heave and set is made at the supporting body rear portion, the motion that rocks back and forth, the generation dynamic effect.

Embodiment seven: as shown in figure 17, live axle 8 fastening drive sprockets 26, crank shaft 14 fastening driven sprockets 29, the external diameter of sprocket wheel 29 pass through chain 25 transmissions greater than the external diameter of sprocket wheel 26 between two belt pulleys.

Other structure of present embodiment is identical with embodiment one.

Certainly, the present invention is applicable to toy tricycle, four-wheel perambulator etc.

Claims

1, the rocking-type bassinet of back two-wheel driving, comprise supporting body, handle, under-carriage, two trailing wheels and steering front wheel, two trailing wheels are located at the rear portion of under-carriage, and steering front wheel is located at the front portion of under-carriage, it is characterized in that: trailing wheel is a drive wheel, be provided with free-wheel clutch between drive wheel and live axle, live axle cooperates with under-carriage posterior rotation formula, when drive wheel rotates forward, utilizes free-wheel clutch to drive live axle and rotates forward synchronously, when drive wheel rotates backward, do not drive live axle and rotate; An eccentric shaft is installed on rotary type ground on the under-carriage, and live axle links by a speed reduction gearing and eccentric shaft, eccentric shaft and connecting rod normal-running fit, and connecting rod and supporting body are fixedly linked, and eccentric shaft makes the supporting body motion by connecting rod; Under-carriage front upper and supporting body lower front are provided with wabble mechanism.

2, rocking-type bassinet as claimed in claim 1 is characterized in that: described free-wheel clutch adopts ratchet clutch or roller type power-transfer clutch.

3, rocking-type bassinet as claimed in claim 1 is characterized in that: described under-carriage front upper place and supporting body front lower place all are provided with lug, the rocking bar upper and lower side of wabble mechanism respectively with two lug normal-running fiies.

4, rocking-type bassinet as claimed in claim 1 is characterized in that: described eccentric shaft is the crank throw formula, and described connecting rod normal-running fit is in the two ends of eccentric shaft.

5, rocking-type bassinet as claimed in claim 1 is characterized in that: described eccentric shaft is a crank type, and bent axle is concavity, and described connecting rod normal-running fit is in the recess of bent axle.

6, rocking-type bassinet as claimed in claim 1, it is characterized in that: described live axle rotates by the gear driven eccentric shaft, the gear that links to each other with live axle is a driving wheel, the gear that links to each other with eccentric shaft is a follower, the diameter of follower is greater than driving wheel, and driving wheel is by idle pulley and follower engagement; Overcoat gear frame on the live axle, tooth rest rotates or along the moving axially of live axle, during the walking manner of conversion perambulator, pulls tooth rest or traveling gear frame along live axle, idle gear is meshed with driven gear or breaks away from.

7, rocking-type bassinet as claimed in claim 1, it is characterized in that: described live axle drives eccentric shaft by sprocket wheel and chain and rotates, the sprocket wheel that links to each other with live axle is a driving wheel, and the sprocket wheel that links to each other with eccentric shaft is a follower, and the diameter of follower is greater than driving wheel.

8, rocking-type bassinet as claimed in claim 1 is characterized in that: between supporting body and under-carriage spring installation is set.

9, rocking-type bassinet as claimed in claim 8, it is characterized in that: the guide rod seat is installed in described supporting body bottom, and leader casing is installed on the under-carriage, is installed on the guide rod seat to the upper end swing formula of guide rod, the sheathed spring of guide rod, insert in the leader casing lower end of guide rod.

10, the pendulum-type perambulator that shakes as claimed in claim 8, it is characterized in that: spring perch is installed in described supporting body bottom, lower spring cup is installed on the under-carriage, and the two ends of V-arrangement spring are installed on upper spring seat, lower spring cup respectively, and the head of V-arrangement spring can relatively rotate on spring perch.