CN2320480Y - Hand cart for travelling up or down stairs - Google Patents

Abstract

The utility model discloses a corridor cart. A sliding plate which can be slid along both end sides of a cart frame is arranged in the cart frame, the front part of the cart frame is provide with a pair of main wheels, and a pair of auxiliary wheels are arranged on the cart frame behind the main wheels. Compression springs are arranged on transverse beams on both ends of the cart frame, one end of the cart frame is provided with a handle, one end of the sliding plate and one end of the cart frame, which are adjacent to the handle, are connected with springs, and the bottom of the sliding plate is provided with a supporting plate which can contact with stairs. The utility model relieves inconvenience brought by the transportation of heavy objects by inhabitants when inhabitants walk on stairs. The utility model has the advantages of convenience and practicability.

Description

Hand cart for travelling up or down stairs

The utility model relates to a kind of manual small-sized Transport Machinery that can walk on stair and road surface.

The city dweller has more and more lived in high-rise residential building, carries in daily life such as the very inconvenience of article such as liquid gas storage tank, grain, and particularly the elderly is more difficult.Common waggon can not use because of going upstairs.

The purpose of this utility model provides a kind of manual small Hand cart for travelling up or down stairs, and people can be walked in corridor in go-cart, solves the difficulty that upper and lower building transports weight.

The technical solution of the utility model is as follows:

A slide plate that can be free to slide along the slideway on vehicle frame both sides is housed in the vehicle frame, a pair of main wheel is equipped with in the vehicle frame front portion, a pair of accessory whorl is housed on the vehicle frame behind the main wheel, on the crossbeam at vehicle frame two ends, compression spring is housed, one end of vehicle frame is equipped with handle, be connected a tension spring with vehicle frame near handle one end at slide plate, be provided with the supporting plate that can contact with stair in the slide plate bottom.

Near handle one end track adjusting wheel is housed at vehicle frame.

The utility model has the advantages that: owing to adopted skateboard, make vehicle more steady when last going downstairs, do not damage stair, and stair, level land are dual-purpose, safety performance is good, and is easy and simple to handle.

Further specify below in conjunction with accompanying drawing.

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

Fig. 2 is the utility model birds-eye view.

In the drawings, the vehicle frame 10 that both sides are made by channel-section steel, slide plate 4 can be free to slide along the vehicle frame both sides, and two groups of bearings 7 and 3 are housed on slide plate, and a pair of main wheel 2 is equipped with in the vehicle frame front portion, and a pair of accessory whorl 5 is housed on the vehicle frame of main wheel back, and the wheel footpath of the impeller diameter ratio accessory whorl of main wheel is big; Compression spring 1 and 9 are housed on the crossbeam at vehicle frame two ends, and the axis of guide 8 passes compression spring and is contained on the vehicle frame; Be connected a tension spring 12 at slide plate with an end of the close handle 11 of vehicle frame, the device of releasing and back-moving spring is housed on tension spring; In the slide plate bottom is two supporting plates 6.Rubber is housed on supporting plate takes up anti-skidding and wear-resisting effect; For dolly is travelled on the level land, designed track adjusting wheel 13.Slide plate 4 is motionless in situ when the supporting plate on the slide plate 6 contacts with stair, only play a supportive role, and vehicle frame 10 can upwards slide under the support of bearing 3 and 7, when accessory whorl 5 contact stair, slide plate leaves stair, gets back to the home position again under the former effect of spring 12, after accessory whorl 5, the place ahead supporting plate 6 of accessory whorl 5 contacts stair again, when main wheel 2 contact stair, supporting plate leaves the stair contact surface and gets back to the home position again, finishes whole process upstairs so successively.In the time of downstairs, with drawing the effect of spring 12 to remove, make slide plate fall the bottom, hand steered handle 11 just can be finished overall process downstairs successively.When road is walked, track adjusting wheel 13 can be put down getting final product.

Claims (2)

1, a kind of Hand cart for travelling up or down stairs, it is characterized in that: a slide plate (4) that can be free to slide along the slideway on vehicle frame both sides is housed in the vehicle frame (11), line is equipped with a pair of main wheel (2) before the vehicle frame, a pair of accessory whorl (5) is housed on the vehicle frame behind the main wheel, compression spring (1) and (9) are housed on the crossbeam at vehicle frame two ends, one end of vehicle frame is equipped with handle (11), is connected a tension spring (12) with vehicle frame near handle one end at slide plate, is provided with the supporting plate (6) that can contact with stair in the slide plate bottom.

2, Hand cart for travelling up or down stairs according to claim 1, its feature also is: near handle one end track adjusting wheel (13) is housed at vehicle frame.

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