Easily-carried four-wheeled folding trailer
A foldable and easy-to-carry technology, applied in the field of trailers, can solve the problems of small load capacity and achieve the effect of reducing the occupied area, convenient storage and convenient use
Inactive Publication Date: 2016-02-03
乐清市华尊电气有限公司
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- Description
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[0005] This patent document describes in detail the mechanism and working principle of the foldable wheel, but this kind of foldable luggage cart is a push-pull cart with only two wheels and has a small carrying capacity, so it cannot be widely used in factory workshops
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Embodiment 1）
[0031] This embodiment is a four-wheel foldable trailer, including a front frame assembly 1, a rear frame assembly 2 and a coupling mechanism 3 for connecting the front frame assembly and the rear frame assembly.
[0032] For the specific structure of this embodiment when it is in the unfolded state, see Figure 1 to Figure 12 , the front frame assembly includes a front load frame 11, two front wheel assemblies 12, a front baffle 13 arranged at the front end of the front load frame, and a pull rod 14 arranged on the front baffle; the front end of the front load frame Each of the left and right sides of the front end is provided with a forward protruding front strut 111, and each front strut is provided with an annular front limit stop 112, and the front end of each front limit stop is provided with a plurality of front limit cogs. 113; the front end of each front strut is provided with a front pin hole 114;
[0033] Each front wheel assembly comprises a front wheel frame 122 ...
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The invention discloses an easily-carried four-wheeled folding trailer which comprises a front frame assembly, a rear frame assembly and a connecting mechanism. The front frame assembly comprises a front loading frame, front wheel assemblies, a front baffle and a pull rod. The rear frame assembly comprises a rear loading frame, rear wheel assemblies, a rear baffle and connecting pieces. Each front wheel assembly comprises a front wheel in rotary connection with the front loading frame. Each rear wheel assembly comprises a rear wheel in rotary connection with the corresponding loading frame. The front baffle is in rotary connection with the front loading frame, can be turned to be superposed with the front loading frame and is in adjacent connection with the upper surface of the front loading frame. The front wheels can be turned to be superposed with the front loading frame. The rear baffle is in rotary connection with the rear loading frame, can be turned to be superposed with the rear loading frame and is in adjacent connection with the upper surface of the rear loading frame. The front loading frame and the rear loading frame can be turned to be superposed with each other, and the bottom surface of the front loading frame is in adjacent connection with the bottom surface of the rear loading frame. The easily-carried four-wheeled folding trailer can be folded and accordingly is convenient to carry.
Description
[0001] This application is a divisional application of an invention patent application with an application date of "August 27, 2013", an application number of "2013103796935", and a patent title of "A Four-Wheel Foldable Trailer". technical field [0002] The invention relates to the technical field of trailers, in particular to a portable four-wheel folding trailer. Background technique [0003] People often use four-wheel trailers when shopping and carrying items, which can save energy for users. However, four-wheel trailers are generally large in size at present, cannot be folded and folded, are inconvenient to carry, and take up a lot of space when stored. [0004] Patent document CN202186404U discloses a foldable luggage cart, which includes a telescopic frame, the lower part of which is provided with a cylindrical push-pull rod hinged to the load-carrying bottom plate of the luggage cart, and the upper part of the cylindrical push-pull rod is provided with a first annul...
Claims
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IPC IPC(8): B60B3/02
CPCB62B3/02B62B3/022B62B5/00B62B2205/04B62B2205/12
Inventor 胡妍
Owner 乐清市华尊电气有限公司