CN2272847Y - Crankshaft type dualpurpose cart providing for travelling up or down flight of stairs - Google Patents

Abstract

The utility model discloses a crank shaft type dual-purpose cart which can be used on stairs and flat land. The utility model has the essential structure that an adjustable handle is arranged on the front side of a cart frame, a crank shaft is respectively arranged on the front and the rear parts of the cart frame, and six climbing rods are connected between the front and the rear crank shafts. The front end of the cart frame is provided with two adjustable auxiliary wheels, and the rear end of the cart frame is provided with two main wheels. When the utility model travels on flat land, the main wheels and the auxiliary wheels are rotated simultaneously to transport objects. When the utility model goes upstairs, the adjustable auxiliary wheels are rotated, when the utility model goes downstairs, the main shafts are rotated on the front part, so the utility model is convenient and labor-saving. The utility model has the advantages of reliable running, stable advancement, small vibration, convenient and flexible use, labor saving, simple structure and low cost.

Description

Crank type corridor level land motor moped

The utility model relates to a kind of Hand cart for travelling up or down stairs, relates to a kind of crank type level land corridor motor moped specifically.

Develop rapidly along with economic construction, improving constantly of people's living standard, three-dimensional building has replaced one-storey house, and building stands in great numbers, but the problem that has also occurred carrying article inconveniences simultaneously, for addressing this problem, some stairs clambing handcarts appear on the market, lever, star wheel type etc. are arranged, ubiquity vibrations greatly, not steady, complex structure, shortcomings such as cost height.

The purpose of this utility model be to provide a kind of reliable, advance steady, simple in structure, cost is low, but and corridor, dual-purpose crank type corridor level land, level land.

The purpose of this utility model is achieved in that there is an adjustable handle vehicle frame front, one bent axle respectively is installed before and after said vehicle frame, between said forward and backward bent axle, connect six roots of sensation pole-climbing, two adjustable accessory whorls are installed, two main wheels are installed in said vehicle frame rear end at said vehicle frame front end.When the level land, adjustable accessory whorl and main wheel rotate simultaneously and advance, and in the time of upstairs, adjustable accessory whorl runs into the stair limit in front and plays the little effect of vibrations that operates steadily, and is convenient and strength-saving, in the time of downstairs, pushing away and shaking hands, and main wheel rotates the fortune thing, and is light laborsaving.

Above said pole-climbing overcoat India rubber tube.

The utility model is owing to adopt bent axle pole-climbing formula, so reliable, it is steady to advance; Owing to adopt pole-climbing overcoat India rubber tube, shake little; This car is easy to use, flexible, laborsaving, and is simple in structure, and cost is low.

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the lateral plan of Fig. 1.

As shown in Figure 1, 2, there is an adjustable handle 1 this vehicle carriage 3 fronts, according to required pull bar length, be screwed after regulating, vehicle frame 3 is forward and backward respectively installs a bent axle 4 by bearing, the crank of this bent axle 4 be about two groups, every group of three cranks are at 360 ° of circumference uniform distributions, between forward and backward bent axle 4, connect six roots of sensation India rubber tube pole-climbing 5, vehicle frame 1 front end is installed two adjustable accessory whorls 5, runs into the adjustable accessory whorl in stair limit when going upstairs and rotates, and makes and operates steadily, in vehicle frame 3 rear ends two main wheels 4 are installed, go-cart is convenient in the time of downstairs.This car is reliable, advances steadily, shakes for a short time, flexible and convenient to use, and simple in structure, and cost is low.

Claims (2)

1, a kind of crank type corridor level land motor moped, it is characterized in that: there is an adjustable handle (4) vehicle frame (3) front, at the forward and backward bent axle (4) of respectively installing of said vehicle frame (3), between said forward and backward bent axle (4), connect six roots of sensation pole-climbing (5), at said vehicle frame (3) front end two adjustable accessory whorls (2) are installed, two main wheels (6) are installed in said vehicle frame (3) rear end.

2, crank type corridor according to claim 1 level land motor moped is characterized in that: said pole-climbing (5) overcoat India rubber tube.