CN87207197U - Multifunctional handcart - Google Patents

Abstract

The utility model discloses a multifunctional handcart, comprising a cart frame, a suspension rod, a basket bucket, a front and a back wheels, and a handle. The utility model is suitable for loading with goods and people for transportation on the flat ground and up stairs, and is also used as a baby carrier or a cradle. According to the mechanical principle, the gravity direction of any object is always vertically downward, and the point of action of the gravity is on the gravity center of the object. But the handcart can stably go up stairs when the gravity center swings fore-and-aft along with the amplitude of going up stairs and makes the support point between the front wheel and the back wheel of the power point of the object in ever changing reciprocating movement. The utility model has the advantages of labour saving and small occupation of land, and is foldable to store after using.

Description

Multifunctional Handcart

The utility model relates to a kind of handbarrow of manned loading.Existing handbarrow except that use on the level land, seldom has function upstairs.Though what have has this function but not laborsaving, adopt many wheels or star-wheel mechanism mostly, utilize manpower upstairs dilatory by force, its degreeof turn is big, and is very heavy.Turn over the superincumbent wheel clothes leg opening of also easily making dirty, and lay difficulty.This often takes the thing person of going upstairs to daily need and the bosom baby person of going upstairs increases trouble, labor intensive.

The purpose of this utility model is will provide a kind of light and handy, folding, safe, laborsaving, simple in structure, multi-functional, be applicable to that the level land is done in manned loading and transportation is upstairs used, and double as perambulator and cradle.

The utility model is achieved in that structure of the present utility model is to utilize the transfer of the position, force that is changed after the gravity swing of contained article to reach labour-saving function upstairs, and can remain the level of loaded article, and use the operator not need to expend very big power, just article or baby can be loaded upstairs, in order to consider to account for less room area as far as possible, the utility model adopts folding structure, can folding storage after using.

The gravity direction of any object straight down always, the point of action of gravity is on the center of gravity of object, but at gravity pendulum emotionally under the condition, the center of gravity of contained article in the unsettled basket that unsettled stress hole middle hanger is born down, can carry out swing with the amplitude upstairs of hand push dolly, change in the crank motion that the resting point of force between front and back wheel of weight constantly changed and support the force, the operator just can make the hand barrow pulsation-free upstairs as long as change a spot of power.And any article in the unsettled basket or baby can remain level attitude and constant.

Structure of the present utility model includes vehicle frame, front-wheel, trailing wheel, handle, horizontal handle, three supports, suspension rod, unsettled basket, sunshade, parcel before, during and after cranking arm, being divided into.

Concrete structure of the present utility model is that the vehicle frame front end is a front-wheel, back segment is a handle, horizontal handle is arranged under the handle, the vehicle frame stage casing is to crank arm at the lower link trailing wheel, before having three to be divided on the vehicle frame, in, after support, it is forward slightly that middle support is connected in the vehicle frame stage casing, the top of central support is unsettled stress hole, suspension rod is arranged in the hole, unsettled basket capable of hoisting, make it swing, unsettled basket connects with suspension rod by the chain rope, and unsettled basket is that the baby struggles against is again goods basket, and have sunshade to open to close, front-wheel and trailing wheel and vehicle frame middle part all has axle fixing, on vehicle frame and before, in, all there is folding joint the back on three supports, has in the middle of another cross bar under the horizontal handle and shirk the chain rope to link to each other with the unsettled basket of end.

Advantage of the present utility model and effect are:

1, light practicality is easy to use, in being specially adapted to, the elderly carries article upstairs.

2, simple in structure, collapsible, floor area is little, from heavy and light.

3, utilize the mechanics principle structure, laborsaving upstairs, safety and steady.

4, can make baby strollers and shaking table and use, and have sunshade can block sunlight, tulle also can hide koniology before the canopy, brings into play multi-functional effect.

5, can be laborsaving when going upstairs 1/3rd through the test loading, sturdy and durable, the life-span is long.

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is a front elevation of the present utility model.

Fig. 2 is a birds-eye view of the present utility model.

Fig. 3 be on the front-wheel second stage stair scheme drawing.

Fig. 4 is the state degree that trailing wheel prepares to enter first order stair.

Fig. 5 is the state degree that has made on the hand barrow behind the one-level stair.

Fig. 6 is an another kind of pattern of the present utility model.

With reference to Fig. 1,2, dolly has the upswept frame 15 of a rigidity, preceding slightly place, its stage casing is a central support 8, the top of central support 8 is unsettled stress holes 2, connect with hyphen bar 24, it on the hyphen bar 24 stress hole 23, long suspension rod 1 is installed in the stress hole 2, short steeve 24 is installed in the stress hole 23, and long suspension rod 1 and short steeve 22 connect unsettled basket 4 by chain rope 3, and there is sunshade 21 one of 4 top of unsettled basket, the middle top of central support 8 connects front frame 5 and after poppet 20, the preceding top axle 6 of the lower end of front frame 5 and vehicle frame 15 joins, and front-wheel 7 is installed in the two ends of axle 6, and the lower end of after poppet 20 connects with the postmedian of vehicle frame 15, trailing wheel 12 is contained in the two ends of axis 10, axis 10 is through in 13 the hole 11 of cranking arm, and 13 the middle part porose 9 of cranking arm connects transverse axis 14, and 13 the top of cranking arm connects with vehicle frame 15, handle 19 and horizontal handle 18 are arranged in the upper back of vehicle frame 15, horizontal handle 18 passes the hole 17 of vehicle frame 15, on it and be installed with parcel 16, has the chain of shirking rope 26 to link to each other with unsettled basket 4 bottoms in the middle of the cross bar 27.Be folded in the middle part of front frame 5 for convenience, the bottom of middle branch 8, the middle part of after poppet 20, the middle part of vehicle frame 15 all is provided with folding joint 25.

The detailed descriptions of doing to use below in conjunction with Fig. 3,4, the 5 pairs of the utility model:

When with handle 19 and horizontal handle 18 before press down, front-wheel 7 and trailing wheel 12 land simultaneously, center of gravity makes unsettled basket 4 perpendicular between the two-wheeled.Unclamp chain rope 26.

After press down, up perk and built on stilts of front-wheel 7 at this moment, simultaneously unsettled basket 4 be toward hypsokinesis with handle 19 or horizontal handle 18, and its force is by front frame 5, medium-height trestle 8, and behind the after poppet 20, just dropping on cranks arm passes on the trailing wheel 12 on 13 again.At this moment hand barrow is pushed away forward, front-wheel 7 is rested on the stair mouth of the second stage.At this moment Fig. 3 up lifts handle 19 or horizontal handle 18 again, makes trailing wheel 12 up and built on stilts, and simultaneously unsettled basket 4 is toward leaning forward, its force is by after poppet 20, medium-height trestle 8, the preceding top of front frame 5 and vehicle frame 15, pendulum point just supports on the front-wheel 7 at last, Fig. 4, simultaneously handbarrow is pushed away forward, make front-wheel 7 enter the end root of second stage stair, put down handle 19 or horizontal handle 18 subsequently, when trailing wheel 12 landed, dolly had been gone up the mouth of first order stair and has been gone up.Fig. 5, so again with handle 19 or horizontal handle 18 toward pressing down, make front-wheel 7 leave the up perk and pushing away of second stage stair root forward, make trailing wheel enter first order stair root, front-wheel 7 just enters on the mouth of third stage stair.Up mention handle or horizontal handle 18 again, trailing wheel 12 just can enter the mouth of second stage stair and go up.Press and lift handle 19 or horizontal handle 18 so repeatedly, repeat identical action, hand barrow just constantly rises, and reach and climb the upstairs house purpose, but invalid to the stair of non-standard distance.The angle of lifting or pressing down on each handle 19 or the horizontal handle 18, general 1/3rd of each grade of the stair height at that time that only surpasses.

When used on the level land, front-wheel 7 and trailing wheel 12 landed simultaneously, and unsettled basket 4 falls between the two-wheeled, just can make baby strollers and use.When sunshine is strong, can draw back sunshade 21, put down the preceding tulle of canopy and can block koniology, travel steadily, turn to flexibly.When parking, can make berch of baby, promote syngignoscism gently.Press folding joint 225 after the use and can make just that dolly is folding to be dwindled, be convenient to lay.

With reference to Fig. 6, as a kind of improved type of the present utility model, vehicle frame 15 also can be made into tiltedly straight shape, and other each parts are same as described above.

Claims (2)

1, a kind of handbarrow includes vehicle frame, support, suspension rod, the unsettled basket of loading, front-wheel, trailing wheel, axle, handle, it is characterized in that:

A, vehicle frame 15 are arc, the following top of vehicle frame 15 connects with front frame 5, preceding slightly place, its stage casing connects with medium-height trestle 8, its epimere postmedian connects with after poppet 20, and the top of medium-height trestle 8 is stress holes 2, and the stress hole place connects with hyphen bar 24, stress hole 23 is arranged on the hyphen bar 24, long suspension rod 1 is housed in the stress hole 2, short steeve 22 is housed in the stress hole 23, long suspension rod 1 and short steeve 22 hang unsettled basket 4 by chain rope 3.

The following top of b, vehicle frame 15 is provided with axle 6, axle 6 two ends dress front-wheel 7, the two ends dress trailing wheel 12 of axis 10, and 13 connect with vehicle frame by cranking arm.

C, at the middle part of front frame 5, the bottom and vehicle frame 15 connection places of medium-height trestle 8, the middle part of after poppet 20, the middle part of vehicle frame 15 all is provided with folding joint 25.

2, handbarrow according to claim 1 is characterized in that: described vehicle frame 15 makes tiltedly straight shape.

Images