Line pulley type extensible shoe

Abstract

The invention discloses a line pulley type extensible shoe which comprises a front shoe vamp and a rear shoe vamp which are connected through an elastic waterproof cloth. A front shoe sole is fixed below the front shoe vamp, and a rear shoe sole is fixed below the rear shoe vamp. The front shoe sole and the rear shoe sole are connected through a middle connection portion with a folding extensible function. A line pulley type adjustable extensible device is embedded into the middle connection portion and comprises a first pulley, a second pulley, a middle pulley, an adjustment fixing device, a first cable fixing column and a second cable fixing column, wherein the first pulley, the second pulley, the middle pulley and the adjustment fixing device are fixed to the rear shoe sole, and the first cable fixing column and the second cable fixing column are fixed to the front shoe sole. One ends of a first cable and a second cable are fixed to the first cable fixing column and the second cable fixing column respectively. The first cable and the second cable wind around the first pulley and the second pulley and then are wound in the same direction and fixed to the adjustment fixing device. A heel middle bottom plate is arranged on the rear shoe sole. A half sole middle bottom plate is arranged on the front shoe sole. The front-back size of the shoe can be adjusted, people with different foot sizes can wear the shoe and feel more comfortable, and the shoe is easier to bend and softer.

Description

technical field [0001] The invention relates to special-purpose and general-purpose shoes, in particular to a wire pulley type retractable shoe. Background technique [0002] Existing special-purpose footwear, because its size is fixed, that is to say that the footwear of certain size can only be worn for the pin that its size is suitable for, and usually, the people who wear this footwear often is not fixed. Yes, different people may wear them. At the same time, because the cost of this kind of shoes is relatively high, they are often more expensive. There will not be many pairs of such shoes with different sizes in the place where they are used, and the shoe size is fixed and cannot be adjusted. , In this way, people who wear shoes are forced to wear shoes that are not suitable for the size of the feet, which makes the users feel very uncomfortable, and also brings troubles and hidden dangers to the safety production work. At the same time, the local units that use the equ...

AI Technical Summary

Problems solved by technology

[0002] Existing special-purpose footwear, because its size is fixed, that is to say that the footwear of certain size can only be worn for the pin that its size is suitable for, and usually, the people who wear this footwear often is not fixed. Yes, different people may wear them. At the same time, because the cost of this kind of shoes is relatively high, they are often more expensive. There will not be many pairs of such shoes with different sizes in the place where they are used, and the shoe size is fixed and cannot be adjusted. , In this way, people who wear shoes are forced to wear shoes that are not suitable for the size of the feet, which makes the users feel very uncomfortable, and also brings troubles and hidden dangers to the safety production work. At the same time, the local units that use the equipment often need more equipment. A few pairs, as a spare, naturally increases the cost of labor supplies

[0003] In addition, general-purpose shoes, that is, the shoes worn by our ordinary people, have a fixed size, so we cannot adjust their size. Inconvenient, for example, the shoes worn by children are like this. When a child's feet grow up to a certain extent, his / her shoes cannot be worn in, and the shoes are often not broken, and they can continue to be worn. At this time, the previous practice Just throw it away, it is very wasteful, if the shoe size is adjustable, this problem will be solved

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