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A wheel turning and locking mechanism of a folding shopping cart

A locking mechanism and shopping cart technology, applied in the field of shopping carts, can solve the problems of difficult turning over, large and simple wheel turning structure, etc., and achieve the effect of large load capacity, simple structure and small size

Active Publication Date: 2017-04-12
苏州市欣龙塑胶模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wheel turning structure of these shopping carts is too simple to achieve heavy load; the wheel turning structure that can realize heavy loading is too large to be turned over easily, and the size of the shopping cart after folding is limited.

Method used

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  • A wheel turning and locking mechanism of a folding shopping cart
  • A wheel turning and locking mechanism of a folding shopping cart
  • A wheel turning and locking mechanism of a folding shopping cart

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Experimental program
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Embodiment Construction

[0014] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0015] see Figure 1 to Figure 3 , the embodiment of the present invention includes:

[0016] A wheel turning and locking mechanism of a folding shopping cart, which is fixed at the bottom of the shopping cart. The wheel turning and locking mechanism of a folding shopping cart includes a groove tube 1, a connecting piece 2, a flat key 3, a positioning ring 4, a fixing piece 5, a support Frame 6, supporting feet 7, wheels 8; grooved pipe 1 is fixed on the bottom of the shopping cart; Connecting with the fixing part 5 can form a sleeve with an outer side and an inner circle, and the sleeve can rotate around the axis of the grooved pipe 1; the conn...

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PUM

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Abstract

The invention discloses a wheel turnover and locking mechanism for a foldable shopping cart. The mechanism comprises a groove pipe, a sleeve, a flat key, a positioning ring and a wheel fixing mechanism, wherein the sleeve sleeves the groove pipe and can rotate around the axial line of the groove pipe; a key groove is formed in the sleeve and is arranged in the axis direction of the groove pipe; the flat key is arranged in the key groove through a spring; the positioning ring is fixed on the groove pipe through a bolt and corresponding to the positioning ring; the wheel fixing mechanism is fixed on the sleeve. Through the mode, wheel turnover and locking can be realized easily, and the mechanism is simple in structure and small in size and can bear larger loading force.

Description

technical field [0001] The invention relates to the field of shopping carts, in particular to a wheel turning and locking mechanism for a folding shopping cart. Background technique [0002] At present, most of the wheels of existing shopping carts are directly installed on the wheel shafts, so that the main plane of the wheels and the car body can only be in a vertical state, so that the thickness of the shopping cart after folding cannot be smaller than the diameter of the wheels. [0003] There are also some shopping carts on the market that realize wheel flipping, and the plane of the wheel is parallel to the main plane of the car body after the flipping. However, the wheel turning structures of these shopping carts are too simple to realize heavy loads; the wheel turning structures that can realize heavy loading are too large to be easily turned over, and the size of the shopping carts after being folded is limited to become smaller. Contents of the invention [0004...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62B5/00
Inventor 司怀国
Owner 苏州市欣龙塑胶模具有限公司