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A shopping cart and vehicle frame technology, which is applied in the field of shopping carts, can solve the problems of difficulty in going up and down steps of shopping carts, restricting wheel rotation, etc.

Inactive Publication Date: 2014-10-15
梁达兵
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the shopping cart goes up and down the steps, due to the weight of the body, the existing braking device will brake the wheels to prevent the shopping cart from slipping backwards, but it limits the rotation of the wheels, making it difficult for the shopping cart to go up and down the steps.

Method used

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Examples

Experimental program
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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0026] figure 1 A shopping cart according to an embodiment of the present invention is schematically shown.

[0027] Such as figure 1 As shown, the shopping cart includes a vehicle frame 1, a rear wheel support 2, a front wheel support 3, a storage basket 4, a front wheel 5, a rear wheel 6, a braking device 7 and a folding device 8.

[0028] The vehicle frame 1 is composed of two parallel bent pipes 9, each bent pipe 9 is composed of an upper folded pipe 10 and a lower folded pipe 11, the bent pipe 9 is preferably a stainless steel pipe, and the tail end of the upper folded pipe 10 is horizontally sleeved with Handrail 12, the tail end of fold down pipe 11 is transversely welded with front-wheel support 3, and the two ends of front-wheel support 3 are respectively equipped with a front-wheel 5, and front-wheel 5 rolls along the ground. A rear wheel support...

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PUM

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Abstract

The invention discloses a shopping cart which comprises a cart frame, an object storage basket, front wheels, rear wheels and a brake device. The object storage basket is installed on the cart frame, the two front wheels and the two rear wheels are connected on two sides of the cart frame, and the two rear wheels are connected through a rotating shaft fixed on the cart frame. Each rear wheel comprises a tripod and rollers, three legs of the tripod are connected with the rollers which are connected with the brake device, the brake device is installed on the tripods and the cart frame, and each tripod sleeves the rotating shaft and can rotate around the rotating shaft. The shopping cart has functions of braking and folding, and is simple in operation and safe in use. The shopping cart can cross over obstacles like steps even in the braking process, and the storage space is effectively saved when the shopping cart is folded.

Description

technical field [0001] The invention relates to the field of shopping carts, in particular to a shopping cart that is easy to go up and down steps. Background technique [0002] When people push the shopping cart for shopping, in order to prevent the shopping cart from slipping accidentally or avoiding collision with obstacles, it is necessary to brake in time to control the safety state of the shopping cart. When the shopping cart is going up and down the steps, due to the weight of the vehicle body, the existing braking device can brake the wheels to prevent the shopping cart from slipping backwards, but it limits the rotation of the wheels, making it difficult for the shopping cart to go up and down the steps. Contents of the invention [0003] The object of the present invention is to provide a shopping cart that can still go up and down steps while braking. [0004] According to one aspect of the present invention, a shopping cart is provided, including a vehicle fra...

Claims

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Application Information

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IPC IPC(8): B62B3/14B62B5/02
Inventor 梁达兵
Owner 梁达兵
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