CN2066824U - Children up-stair carriage - Google Patents

Abstract

The utility model discloses a children up-stair carriage, which comprises front wheels, a carriage body, and four rear wheels which are arranged on the mutually perpendicular rear wheel frames, and the rear wheel frames are provided with shock absorption springs for reducing the shock of the carriage body. One pair of front wheels and two pairs of rear wheels are on land when the children carriage is driving on the smooth road, so the carriage is quite steady for driving. The rear wheel frames are rotated to make the carriage steady for moving up and down by use of a pair of four rear wheels which are the wheels on the mutually perpendicular rear wheel frames stuck on the ladder when the children go up and down the ladder. The carriage scarcely makes fluctuation when the children go up and down, and is convenient and safe when using.

Description

Children up-stair carriage

The utility model is a kind of perambulator, exactly is a kind ofly both can use on level road as common perambulator, again the multi-function baby stroller that can use along the upper and lower promotion of ladder.

Perambulator is a kind of instrument easily that uses in the family.For perambulator can be used on level road, use and the comparatively approaching technology of the utility model during again applicable to the upper and lower stair of building, once designed the multi-function baby stroller that can on ladder, use.This perambulator is to have done improvement on the basis of common perambulator of two wheels in a side for the needs that adapt to upper and lower ladder, increases a wheel in every side, is the perambulator that a side has 3 wheels.This perambulator with 6 wheels has two wheels to land when flat pavement running, is equivalent to common perambulator, and when the upper and lower ladder of needs, 3 wheels of a side both can rotate, and the vehicle wheel frame that connects 3 wheels can rotate around the car axis again.Such 3 wheels that approximately are mutually hexagonal angle just can make the upper and lower ladder of perambulator along ladder rolling or vehicle wheel frame rotation.But a this side has between two wheels of perambulator of 3 wheels distance shorter, therefore vehicle body shakiness during go-cart on level road.In addition, because (between the vehicle wheel frame) angle is 120 ° and ladder all is the right angle between per 2 wheels of a side, thereby when upper and lower ladder, the angle bigger (120 °) that vehicle wheel frame rotates makes the fluctuation of car body heave and set bigger, particularly when the gradient of ladder is big, car body fluctuates, and not only amplitude is big, and frequent, uses dangerous.

A kind of multi-function baby stroller that can climb ladder of the utility model design, it can overcome the shortcoming that similar perambulator exists, the same with common four-wheeled steady when flat pavement running, when upper and lower ladder, particularly when the bigger ladder of climbable gradient, for example during the stair of normal domestic dwelling house, except that itself tilts slightly, almost not fluctuation of car body during upper and lower building.

The utility model travels steadily when realizing upper and lower ladder, mutually perpendicular two pairs of vehicle wheel frames have been designed, wheel on two is being installed on each vehicle wheel frame, so not only two wheels and the very easy chucking of ladder, every grade of step only changeed 90 ° when vehicle wheel frame rotated simultaneously, be that rotation amplitude is little, make that the car body fluctuation is little.For making perambulator more stable at flat pavement running, the utility model is fixed on the vehicle wheel frame (side) 4 wheels, designs a pair of car front-wheel in the car front portion again except that design is a pair of, when on level road, travelling so a pair of front-wheel and the 2 pairs of trailing wheels totally 6 wheels land, and distance is bigger between the front and rear wheel, so very steady when perambulator travels.In addition, damping spring is arranged on vehicle wheel frame for the vibrations of minimizing car body design again, more comfortable when children are seated.Below by accompanying drawing the utility model is described further.

Fig. 1 is a front elevation of the present utility model, and Fig. 2 is a lateral plan of the present utility model.Among the figure 1, front-wheel; 2, insurance card; 3, base; 4, front-wheel pole; 5, fluffy seat cloth; 6, handrail; 7, flat; 8, back rest; 9, main; 10, rear wheel frame; 11, trailing wheel; 12, axis.Fig. 3 is a back wheel construction front elevation, and Fig. 4 is a lateral plan.Among the figure shown in 10,11,12 same Fig. 1,2; 13, hind axle; 14, reinforcement; 15, damping spring; 16, bottom bracket axle.Front-wheel pole 4 of the present utility model is pair of metal bar or pipe, and an end is equipped with a pair of front-wheel 1, with rivet base 3 is installed thereon, flat 7, back rest 8 and leading 9; Insurance card 2 is fixed on base 3 front portions, and it fixes the relative position of front-wheel pole and base 3; Back rest 8 is a U shaped metal bar or a pipe, and the two ends of back rest 8 are equipped with an axis 12, with rivet base 3, flat 7 and front-wheel pole 4 is installed thereon; Base 3, flat 7 and main respectively being a U shaped metal bar or a pipe, they are combined into the car body of perambulator mutually; If the bigger rear wheel of a pair of diameter is installed on axis 12, perambulator is common foldable stroller so; If a pair of three arm rear wheel frames that are mutually hexagonal angle are installed on axis 12, and on vehicle wheel frame 3 little trailing wheels are installed, perambulator is the perambulator of the upper and lower ladder of a kind of energy so, but this car uses inconvenience, also safety inadequately.Of the present utility model being characterised in that installed a pair of mutually perpendicular rear wheel frame 10 on axis 12,4 little trailing wheels 11 are installed on the rear wheel frame 10.The arm of rear wheel frame 10 is to be made by the pair of metal plate, and a hind axle 13 is respectively installed at two ends, and trailing wheel 11 is installed in the metal sheet that is sandwiched in the rear wheel boom on the hind axle 13.Two mutually perpendicular wheel booms are assembled on the bottom bracket axle 6, and are fixing by reinforcement 14.For reducing the vibrations of perambulator trailing wheel, between reinforcement on the vehicle wheel frame 10 14 and bottom bracket axle 16, be added with damping spring 15, damping spring 15 can be 4 spring wires, spring wire is separately fixed at around bottom bracket axle 16 1 circle (or a few) two ends, back on adjacent two on the reinforcement 14, under the effect of these 4 spring wires, make trailing wheel obtain good shockproof effect.In addition, flat for preventing that by bus children collide on 7, add the handrail 6 that a thick foamed plastic is made thereon; The U type pipe intermediate space of base 3 adds a steel mesh, both can make the stretcher of car, also can arrangement of goods, flat 7 and base 3 can suitably relax, make on the base 3 and can carry more article.

When the utility model perambulator used on level road, a pair of front-wheel 1 and 2 pairs of trailing wheels 11 landed, because the front and rear wheel distance is far away, so to travel the wheel touchdown point very steady more.When upper and lower ladder, only use back wheels of vehicle, the rear wheel on the mutually perpendicular vehicle wheel frame 10 is stuck on the ladder, and rear wheel frame 10 serves as that axle rotates with axis 12, and the upper and lower operation of car body pulsation-free produces fluctuation hardly during going up or down stairway.

Fig. 1,2,3,4 can be used as an example of the present utility model.

Claims (2)

1, the perambulator of the upper and lower ladder of a kind of energy comprises car front-wheel, car body and rear wheel, it is characterized in that a side has 4 rear wheels 11 to be installed on the mutually perpendicular rear wheel frame 10, and rear wheel frame 10 is installed in car body and installs usually on the axis 12 of rear wheel.

2, according to the described perambulator of claim 1, it is characterized in that being equipped with on the rear wheel frame 10 damping spring 15, damping spring 15 can be a spring wire, it is on two ends, bottom bracket axle 16 back are separately fixed at reinforcement 14 on the fixing rear wheel frame 10.

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