CN2036925U

CN2036925U - Sped type double function child carriage

Info

Publication number: CN2036925U
Application number: CN 88201636
Authority: CN
Inventors: 成剑虹
Original assignee: Individual
Current assignee: Individual
Priority date: 1988-03-09
Filing date: 1988-03-09
Publication date: 1989-05-03

Abstract

The utility model discloses a speeding type double function child carriage, comprising a special four-bar link mechanism whose basic frame serves as initiative, a manipulating system, a transmission system, an executing system and a steering system, the four bar of the four-bar link mechanism are all moved, the speeding type double function child carriage can be controlled by a foot or by a hand, carriage wheels are alternately rolled, the distance of shafts can be expanded and contracted, and the speed type double function child carriage is characterized in that a saddle is fluctuated forward or is pushed outward and forward. The fulcrum of a curvilinear trace adopts a spherical hinge and uses an integral (or subpackage) crank shaft and a detachable (or undetachable) bearing (or a bicycle freewheel). The speeding type double function child carriage can use the components of crank connecting rods of a sewing machine which comprises a spherical hinge and a bearing. The transmission moment element of the speeding type double function child carriage is discharged, and the speeding type double function child carriage is an external pushing common child carriage. The speeding type double function child carriage has small size, low center of gravity and large stability, and is suitable for children entertainment and developing intelligence, and children can learn in entertainment.

Description

Sped type double function child carriage

It is driving link with pedestal (2a) that the utility model relates to a kind of, the benz formula difunctional perambulator of the special four-bar linkage that all move in four members (2a), (5), (12a), (14), that no member is fixing.

Existing outer pushing-type four-wheel perambulator, the outer pushing-type crank throw self-driving type toy tricycle of holding concurrently, two-wheel (adding two jockey pulleys) self-powered chain-type perambulator, its range of use is fixed and only is suitable for baby, young children, juvenile's use respectively, the latter is for pin is used as power, manual direction, unloads two jockey pulleys and can fit big juvenile and make minibike and use.Though such perambulator is very steady, does not have significant improvement on the structure for many years, its performance and movement characteristic can not satisfy juvenile's body and mind needs and excite intelligence.Three-wheel electric children vehicle more complicated and price are higher.

The shortcoming of springtail toy car is: only be summed up as piston crank mechanism in theory, structure is non-adjustable, and the fulcrum of curvilinear motion track adopts the plane hinged, no bearing, and no non-return device, operation is effort.

Chinese patent as: 86207775 multi-function baby strollers, 86208152 multifunctional assembled perambulators, 86,205,760 3 are used perambulator, be characterized in time, spatial variations multi-functional or easy to carry.86205800 chain type carriages for children again are characterized in having the pedal of comprising, bent axle, gear pair, the complicated speed change system of chain-drive, and its manufacturing, debugging be difficulty.86208106 horse type carriages for children are characterized in adopting multi-grade lever to make four pin mobile in proper order, but multistage hinged its friction force is bigger.86205231 intelligent Interesting carriages are characterized in comprising the complicated speed change system of curved bar, dowel bar, steel rope, tooth bar, ratchet, and car can rise and fall to controlled and saddle.86205186 Looping toy cars, complex structure, but the existing fluctuating characteristics of bending and stretching.86205608 foot-operated horse-vaulting dual-purpose toy tricycles are characterized in having the overriding clutch of comprising, the driving system of pedal, vehicle frame, spring, and manual or foot-operated difunctional conversion is arranged.The five kinds of perambulators in back, its structure, function and movement characteristic all improve to some extent, and its shortcoming is: structure is complicated, makes difficulty of debugging, only is a kind of imagination and scheme, has to be performedly, and cost is higher.

86206847 legged body-building bicycle again, by four connecting rods, two tilting prevention devices that two pairs of mobile jibs, secondary bar constitute, handlebar, saddle, pedal, two or four wheels are formed, and the pin with Regular Bicycle is used as power, the characteristics of manual direction.In addition, bar folding before and after its handgrip push-pull effort, pedal power make rises and falls alternately rolling of wheel, saddle.But this four connecting rod crank member the not shortest, that make wholecircle Zhou Yundong.As imagination scheme to be executed, the designer describes this car can fit age groups usefulness, uses but the adult who only limits to certain driving technique does body-building.When front and back respectively were a wheel, its stability was poor under the low speed driving situation, and the normal children is difficult for grasping, so this car does not belong to the perambulator class.

Have perambulator now and improved utility model perambulator patent is arranged at structure, function and movement characteristic, with this novel comparing, its different part is: do not have entirely promptly that simple in structure, manual foot control, wheel alternately roll, wheelbase is flexible, saddle rises and falls forward or extrapolation waits structure, motion and functional characteristics forward.

This is novel to aim to provide a kind of structural principle, mode of motion and method of operation with existing perambulator is diametrically opposite, improved to the springtail toy, and the different difunctional perambulator of a kind of benz formula of perambulator patent.Structural principle is clearly explained: adopt a kind of four bars special four-bar linkage spare that all move, no connecting element, the intersection point of curvilinear motion (5b) adopts half typed ball bearing pair (5e), (5d) of adjustable clearance, the bicycle freewheel of bearing (13) or one-way movement is housed on the crank pin (12b), and connecting rod (14) is adjustable long formula.Mode of motion is that wheel alternately rolls, wheelbase is flexible, saddle rises and falls forward, perhaps extrapolates translation forward, promptly has two kinds of functions.Method of operation be manual foot control or extrapolation foot control car to.

This is novel with normal thin steel pipe or flat tube, rubber or plastics manufacturing, characteristics such as it is little to have a volume, and center of gravity is low, stability is big and novel, simple, laborsaving, cheap.Suitable children family, school, amusement park entertainment body-building can be sailed or many people match for single riding.The suitable low age group of series compact car, the serial large-scale car also can be on probation for the adult.This new series compact car also can be used for theory of machines four connecting rod teaching aids.

Basis is novel to be made up of operating system, driving system, actuating system, steering swivel system.

Operating system by band taper knob (1) and become greater than 90 ° handle (2) to form at hinge with after poppet (2a) is done to be integral.

Driving system is made up of special four-bar linkage.Its pedestal member (2a) be one have pull-off pole, sky is enclosed within the ∏ shape rigid member on the bent axle (12).It is non-connecting element, is connected to the driving link of four-bar linkage with handle (2).Its rocker member---saddle pillar (5) is the rigid member of a front portion two straight-bar types (or hyperbolic rod-type) that stirrup is arranged, and the front portion is welded with sleeve (5a), the middle part is welded with and the ball pivot support (5b) of saddle pillar (5) greater than 90 °, and the rear portion is welded with the sleeve pipe (5c) less than 90 °.Ball pivot support (5b) joins with half typed ball bearing pair (5e), (5d) with connecting rod (14), its middle part and after poppet (2a) bearing pin (3), and nut (4) is hinged, and the rear portion is fixing with saddle (6) and sleeve pipe (5e) with pipe clamp (7) and screw (8).Saddle (6) can make rigidity or elastomeric, its height and adjustable angle.Its crank member---crank (12a) is equipped with removable bearing (13), bearing seat (13a) on the crank pin (12b); Crank (12a) also can be made separately-loaded with crank pin (12b), bent axle (12), and non-disconnectable bearing (13) (or bicycle freewheel) is housed on the crank pin (12b).Its link component---connecting rod (14) can make adjustable long formula, and dribbling bulk-breaking (14a) links to each other with ball pivot support (5b) with half typed ball bearing pair (5e), (5d), and bulk-breaking (14b) and bearing seat (13a) (or bicycle freewheel) are with being threaded.

Actuating system comprises forward and backward train.The trailing wheel of being made up of bent axle (12), two trailing wheels (9) etc. is the active train.Wheel shaft is a captive joint, and is fixing with removable biography square element (26).Trailing wheel is fastened and can be settled one-piece flywheel (10), and fixing with screw (11), and the front-wheel of being made up of front axle (17), one or two front-wheel (15) etc. is passive train, and wheel shaft is empty cover.

Steering swivel system is by front frame (16), two pedal (16a), threaded shaft (16b), the sleeve of bottom trough of belt (5a), bowl lid (21), spacing bearing pin compositions such as (22) up and down.

This is novel can install tap or the flexible animal head of benz on handle (2), as head of the horse etc., go up at saddle pillar (5) corresponding body body housing is installed.

Operating process of the present utility model is: the people is sitting on the saddle (5), both feet are tightly stepped on the pedal (16a) on the front frame (16), health slightly leans forward, both hands are plate fixed handle (2) backward, front-wheel this moment (15) wouldn't move, with handle (2) pivotally attached saddle pillar (5) and ball pivot support (5b) along front axle (17) upwards the inverse time rotate, then saddle (6) and human body rise and lean forward.After pull horizontal component of force and impel the connecting rod (14) that connects with saddle pillar (5) ball pivot that bent axle (12) is done the motion of C.C.W. complex plane, and throw crank (12a), crank pin (12b), bent axle (12) and the trailing wheel (9) that is fixedly connected are made half-turn conter clockwise roll forward (bicycle freewheel has one-way).Crank this moment (12a) and the overlapping conllinear of connecting rod (14), the antero posterior axis hypotelorism.

Both hands driving handle (2) forward subsequently, this moment, trailing wheel wouldn't move.Before push away horizontal component of force and foot-operated horizontal component of force impels front-wheel (15) to roll forward, clockwise rotate downwards along front axle (17) with hinged saddle pillar of handle (2) (5) and ball pivot support (5b), then saddle (6) and human body descend and hypsokinesis, before push away horizontal component of force impel with saddle pillar (5), the connecting rod (14) that ball pivot connects continues to do the motion of C.C.W. complex plane to bent axle (12), and throw crank (12a), crank pin (12b), bent axle (12) and the trailing wheel (9) that is fixedly connected continue to do the half-turn conter clockwise and roll forward, and front-wheel (15) rolls forward simultaneously.This moment crank (12a), connecting rod (14) on an extended line, antero posterior axis spacing elongation.Simultaneously, double-legged uneven power makes front frame (16) and two front-wheels (15) rotate along threaded shaft (16b), control thus car to.

Because handle (2) push pedal once, then saddle (6) and human body rise once, trailing wheel (9), front-wheel (15) alternately roll once, distance between shafts contracts and stretches once, the combination that the cooperation of various parameters and the fluctuating of member, translation, alternately roll, stretch etc. moved, form saddle (6) and human body fluctuating path of motion, this track such as wave curve forward.Ride and sail this car, shoot forward just like spurring the horse on.This is one of this new function.

As not undulatory motion, the biography square element (26) on then detachable lower whorl wheel hub (9a), the bent axle (12) is the empty cover of wheel shaft, can be used as the common perambulator of outer pushing-type this moment and uses, and then saddle (6) and human body motion track are horizon.This is two of this new function.

Key points in design of the present utility model:

1, satisfies the four-bar linkage Grashof's criterion.Be that crank (12a) is the shortest member, connecting rod (14) is the longest member.Short, the longest member length sum is less than pedestal (2a) (after poppet (2a) two hinge line AD are long) and rocking bar (5) (saddle pillar two hinge line CD are long) length sum.

2, design crank appropriate length AB.Crank long decision relief volume and energy consumption.

3, design connecting rod appropriate length BC.Length of connecting rod decision translational movement, for adapting to human body and age groups, its length is answered scalable.

4, the design flywheel guarantees energy storage, inertia and one-way, to overcome the dead point.

5, the design ball pivot uses bearing (or loading onto extension spring), reaches rapid operation, does not produce other strength phenomenon.

Description of drawings:

Fig. 1 is the difunctional perambulator of benz formula (1a-schematic diagram, a 1b-block diagram).

Fig. 2 is dribbling hinge, the brace and connecting rod framework scheme drawing of bearing.

Fig. 3 is the steering swivel system scheme drawing.

Fig. 4 is (preceding) rear axle system assembling scheme drawing.

One of embodiment (in conjunction with Fig. 1 b-4 explanation)

According to Fig. 1 b, make saddle pillar (5) with φ 14-φ 18 solid drawn pipes (or 12 * 18 flat tubes), front frame (16), after poppet (2a) and handle (2), make front axle (17) with φ 10-φ 12 round steel, rear axle (bent axle) (12), with being with half typed ball bearing pair (5e), (5d) and bearing (13), the sewing machine crank connecting link parts of bearing seat (13a) are made the crank connecting link member of this new embodiment, crank (12a) wherein, crank pin (12b) is all-in-one-piece, its bent axle (12) two ends butt welding φ 10-φ 12 round steel, and connecting rod repacks the connecting rod bulk-breaking (14a) of adjustable long formula into, (14b).According to Fig. 2, become the ball pivot support (5b) of α angle (〉=90 °) welding with saddle pillar (5), plug screw hemisphere hinge (5e) wherein is housed, sleeve hemisphere hinge (5d), the bulb of interior load bar bulk-breaking (14a), tolerance clearance is regulated by bulb stopper hemisphere hinge (5e) and nut (27).Adopt typed ball bearing pair quite a lot of to any angle stressing conditions and motion commentaries on classics state.According to Fig. 3, in the steering swivel system, become with front frame (16) plane β angle (150 °) welding threaded shaft (16b), go up lower gasket (20), bowl lid (21) becomes the bottom of γ angle (98 °) welding to have the sleeve (5a) of position-limited trough hinged with saddle pillar (5) axis up and down, and tighten with nut (18), lid female (19), the spacing bearing pin (22) on the threaded shaft (16b) in position-limited trough side-to-side movement with the steering range of restriction front-wheel.According to Fig. 4, rear axle is that an end assembly part is: axle head bowl lid (23), limit opening pin (24), pad figure (25), rear wheel hub (9a) after poppet (2a).After poppet (2a), rear-wheel hub (9a) are loaded on the interior outside of axle respectively, and rear wheel hub (9a) adopts removable biography square element (26) (as screw or pin) to connect with bent axle (12), and this embodiment promptly has fluctuating function forward.Unload and pass square element (26) then for the wheel shaft sky overlaps, promptly become the common perambulator of outer pushing-type of another function, front-wheel hub (15a) is empty cover with front axle (17), nothing biography square element (26).

Among one of embodiment, bent axle (12), crank (12a), crank pin (12b) is made integral type, and the bearing on the crank pin (12b) is removable, the wheel effect of taking off of bearing (13), bearing seat (13a), also one-piece flywheel (10) can be installed on axle, and tighten with screw (11).

Two (referring to Fig. 1 b-4) of embodiment

Two with one of difference be: bent axle (12), crank (12a), crank pin (12b) are separately-loaded, and the bearing (13) on the crank pin (12b) is non-disconnectable formula, or loads onto bicycle freewheel.

One of embodiment, two debugging, result of use is good.

Claims

1, a kind of hand is used as power, foot control direction, front and back wheel are alternately rolled, distance between shafts is flexible, saddle rises and falls forward or extrapolation is forward the difunctional perambulator of benz formula of characteristics, it is characterized in that: adopt pedestal (2a) to be driving link, four members special four-bar linkage that all move, no connecting element on the structure.

2, perambulator according to claim 1 is characterized in that: the pedestal of four-bar linkage (2a) is that after poppet (2a) the two hinge line AD of rigidity ∏ shape with the band pull-off pole represent, and is integral with operating handle (2).

3, perambulator according to claim 1, it is characterized in that: the rocking bar of four-bar linkage (5) is that saddle pillar (5) the two hinge line CD with the two straight-bar types (or hyperbolic rod-type) that add strut represent, and the ball pivot support (5b) of its curvilinear motion track adopts adjustable half typed ball bearing pair (5e), (5d) with connecting of connecting rod (14).

4, according to claim 1,3 described perambulators, it is characterized in that: the angle α of ball pivot support (5b) and saddle pillar (5) is greater than 90 °.

5, perambulator according to claim 1, it is characterized in that: the crank of four-bar linkage (12a) (being AB), crank pin (12b), bent axle (12) can be made integral type (or separately-loaded), and removable (or non-disconnectable) bearing (13) and bearing seat (13a) (or bicycle freewheel) are housed on the crank pin (12b).

6, perambulator according to claim 1 is characterized in that: the connecting rod of four-bar linkage (14) (being BC) can be made connecting rod bulk-breaking (14a), (14b) of adjustable long formula.

7, according to claim 1,5,6 described perambulators, it is characterized in that: the sewing machine crank connecting link parts of available band half typed ball bearing pair (5e), (5d), removable bearing (13) and bearing seat (13a) are made crank (12a), connecting rod (14) member in this later-model four-bar linkage, and make connecting rod (14) repack adjustable long formula into.

8, perambulator according to claim 1 is characterized in that: front wheel spindle is empty cover, and hind axle adopts removable biography square element (26) (as screw or the pin) connection that fixes.

9, perambulator according to claim 1, it is characterized in that: sleeve (5a) that steering swivel system has groove by the spacing bearing pin (22) on front frame (16), pedal (16a), the threaded shaft (16b), below is realized and controls turning to, front-wheel in the steering swivel system can be one, also can be two.

10, according to claim 1,2,3,9 described perambulators, it is characterized in that: handle (2), after poppet (2a), saddle pillar (5), the available pipe of front frame (16) or flat tube steel are made, front axle (17), the available round steel manufacturing of rear axle (bent axle) (12).Taper knob (1) and front and back tyre rubber or plastics manufacturing, handle (2) and saddle (6) can be loaded onto telescopic animal head (as head of the horse) and body body housing respectively.