CN2277907Y - Vehicle for going up stairs - Google Patents

Abstract

The utility model relates to a transport vehicle which belongs to a vehicle for climbing stairs for transporting articles such as gas tanks, foodstuffs, etc., upstairs and downstairs. The problems of bumpiness, strenuosity and low speed for transporting articles upstairs and downstairs are solved. The utility model is characterized in that a center wheel is arranged on a bearing of a vehicle frame through a cushion ring and nuts; the outer rims of the center wheel on both sides of a small wheel are provided with holes which are passed by five shafts for clamping and installing five small wheels. The utility model is characterized in that when used for going upstairs and downstairs, the transport vehicle has the advantages of labour saving and rapidity when the utility model goes upstairs and downstairs; the transport vehicle is steady without bumpiness. The transport vehicle is suitable for old people or disabled people for going upstairs and downstairs.

Description

Handcart capable of travelling up stairs

The utility model relates to a kind of transport vehicle, belongs to the handcart capable of travelling up stairs that upper and lower building transports article such as gas tank, grain.

At present, the city dweller has lived in building mostly, has used blue gas and has cooked.Can be but very inconvenient toward carrying grain and liquid gas storage tank upstairs, though had on the market similar can be toward the dolly that transports article upstairs, weak point is the effort of jolting, speed is slow, uses also inconvenience.

The purpose of this utility model be to overcome above-mentioned the deficiencies in the prior art and provide a kind of easy to use, steadily laborsaving, go up downstairs handcart capable of travelling up stairs faster.

The purpose of this utility model can reach by the following technical programs: center gear is contained in by packing ring, nut on the bearing carrier ring of vehicle frame, and the outward flange of the center gear of steamboat both sides has the hole that several bearings pass through and in order to clamping steamboat is installed.

Above-mentioned center gear is the plum blossom template, and its center gear outward flange has 5 holes.

The utility model compared with prior art has following advantage: in order to clamping 5 steamboats are installed because the center gear outward flange of steamboat both sides has 5 holes, make center gear, steamboat produce planetary action, make vehicle when motion, the contact stair case is apart from very little between the steamboat, laborsaving and very fast, steadily do not jolt.

Fig. 1 is a left view of the present utility model;

Fig. 2 is a front view of the present utility model;

Fig. 3 is that the center gear 1 of Fig. 1 is installed diagrammatic sketch with steamboat 5;

Fig. 4 is the part sectional view of Fig. 1;

Fig. 5 is a motion diagrammatic sketch of the present utility model.

The utility model is described in further detail below in conjunction with accompanying drawing:

Show that by accompanying drawing a bearing carrier ring 8 that passes through is housed in order to mounting center wheel 1 on the vehicle frame 2, center gear 1 is installed on the bearing carrier ring 8 by packing ring 10, nut 9, at the vehicle frame 2 forward and backward guardrails (3,4) that are fixed with, in order to clamping gas tank and other article; Have the hole that 5 axles 11 pass through at center gear 1 outward flange and be used for 5 steamboats 5 are installed in axle 11, wherein steamboat 5 is installed on the axle 11 by center gear 1 clamping by packing ring 7, nut 6.

During actual the use, liquid gas storage tank or other article are placed on the vehicle frame 2, firmly (descend) upstairs to draw, this moment, center gear 1 rotated around axle center o, center gear 1 outward flange is opened 5 holes 5 steamboats 5 is installed, be respectively a1 ... a5, and can be around axle center o1 ... o5 rotates, when car is in the step position, steamboat (a1, a2) while kiss the earth, and steamboat a3 just touches first step, when pushing hard (drawing) vehicle frame 2, produce a power F who parallels with the stair inclined-plane, center gear 1 begins to rotate, and steamboat a3 is along I step horizontal motion, steamboat a2 is then along O step vertical ascending motion, center gear 1 and steamboat (a2, a3) motion simultaneously makes vehicle frame 2 advance along the inclined-plane, just finish and step on the more action of a step whenever center gear 1 turns over 72 °, as the dotted line position among Fig. 5, the corresponding a3 ' of a3 among Fig. 5, a1 ... the corresponding a1 ' of a5 ... a5 ', o1 ... the corresponding o1 ' of o5 ... o5 ', so repeatedly, the vertical uplift and produce planetary motion and just can finish while advancing, the phenomenon of jolting has been eliminated in action downstairs, laborsaving steady, easy to use.This car is fit to the upper and lower building of the elderly or disabled person equally to be used.

Claims (3)

1. one kind relates to the handcart capable of travelling up stairs that upper and lower building transports article, form by vehicle frame (2), wheel (5), it is characterized in that: center gear (1) is contained in by packing ring (10), nut (9) on the bearing carrier ring (8) of vehicle frame (2), and the outward flange of the center gear (1) of steamboat (5) both sides has the hole of several (11) passing through and in order to clamping steamboat (5) is installed.

2. handcart capable of travelling up stairs according to claim 1 is characterized in that: center gear (1) is the plum blossom template.

3. handcart capable of travelling up stairs according to claim 1 is characterized in that: center gear (1) outward flange has 5 holes.

Images