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a variable size wheel

A wheel and variable technology, applied in the directions of casters, wheels, transportation and packaging, can solve the problems of damaged items in the car, small wheels, inconvenience, etc., and achieve the effect of simple and practical structure, good use effect and convenient use.

Inactive Publication Date: 2011-12-14
姜茂林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary wheels are relatively small and cannot be freely enlarged or reduced. Therefore, in some venues, such as stair steps, sandy ground, etc., it is impossible to walk, and the trolley can only be lifted by manpower, which is extremely inconvenient and easy to make the car inside. item destroyed

Method used

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings.

[0011] A variable-sized wheel, comprising a large wheel 4, a small wheel 1, a small wheel change track 2, a small wheel fixed piece 3 and an elastic rubber band 5, such as figure 1 As shown, wherein, there are eight small wheel changing tracks 2, which are centered symmetrically and evenly distributed on the big wheel 4 with the central axis of the big wheel 4 as the center, and the small wheel 1 is connected with the small wheel changing track 2 through the small wheel fixing piece 3 , Steamboat changing track 2 is provided with a plurality of fixing bolts, and steamboat fixed sheet 3 is fixed on the fixing bolts; Elastic rubber band 5 is enclosed within bull wheel 4 outsides.

[0012] Use: When the wheel does not need to be changed, the small wheel fixing piece 3 is stuck on the fixed bolt of the small wheel changing track 2 near the shaft end of the large wheel 4, a...

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Abstract

The invention discloses a wheel with a variable size, which includes a large wheel, a small wheel, a small wheel changing track, a small wheel fixing piece and an elastic rubber belt, wherein there are eight small wheel changing tracks, and the central axis of the large wheel is the center It is evenly distributed on the large wheel in a centrally symmetrical distribution. The small wheel is connected to the small wheel changing track through the small wheel fixing piece. There are at least two fixing bolts on the small wheel changing track, and the small wheel fixing plate is fixed on the fixing bolt; elastic rubber The belt is placed on the outside of the big wheel. The beneficial effects of the invention are: the position of the small wheel can be changed according to the requirements, thereby increasing the radius of the wheel, and it can be installed on a trolley, a suitcase, etc., when walking on stairs or sand, the radius of the wheel can be increased, It can roll forward on stairs or sand, which is very convenient to use. The invention has the advantages of simple and practical structure, good use effect and the like.

Description

technical field [0001] The present invention relates to a variable size wheel. Background technique [0002] In daily life, on trolleys such as suitcases, shopping carts, and baby strollers, wheels are essential parts, and they are loved by people for their small size and flexibility. However, ordinary wheels are relatively small and cannot be freely enlarged or reduced. Therefore, in some venues, such as stair steps, sandy ground, etc., it is impossible to walk, and the trolley can only be lifted by manpower, which is extremely inconvenient and easy to make the car inside. Item destroyed. Contents of the invention [0003] Aiming at the deficiencies of the above-mentioned prior art, the present invention provides a wheel with variable size. [0004] The technical solution adopted by the present invention to solve its technical problems is: [0005] A variable-sized wheel, including a large wheel, a small wheel, a small wheel changing track, a small wheel fixing piece a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B33/04
Inventor 姜茂林于复生姜洪奎陈宁
Owner 姜茂林
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