Easy-to-carry four-wheel folding trailer

A trailer and front frame technology, applied in the field of four-wheel folding trailers, can solve the problem of low load capacity

Inactive Publication Date: 2016-08-31
管伟
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 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

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Easy-to-carry four-wheel folding trailer
  • Easy-to-carry four-wheel folding trailer
  • Easy-to-carry four-wheel folding trailer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0030] Figure 1 to Figure 6 A specific embodiment of the invention is shown in which, figure 1 It is a schematic diagram of a three-dimensional structure of the present invention; figure 2 yes figure 1 A three-dimensional structural schematic diagram of the front frame assembly shown when viewed from another angle; image 3 yes figure 1 A side view of the front frame assembly shown; Figure 4 yes figure 1 A side view of the front fender in the front frame assembly shown; Figure 5 yes figure 1 An exploded view of the front frame assembly shown; Figure 6 yes figure 2 An exploded view of the front frame assembly shown.

[0031] This embodiment is a front frame assembly for a four-wheel foldable trailer, see Figure 1 to Figure 6As shown, the front frame assembly 1 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 baffle is clos...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an easy-to-carry four-wheel folding trailer comprising a front frame assembly, a rear frame assembly, and a coupling mechanism for coupling the front frame assembly and the rear frame assembly. The front frame assembly comprises a front carrier, two front wheel assemblies, a front baffle arranged on the front end of the front carrier, and a pull rod arranged on the front baffle. The portable four-wheel folding trailer is characterized in that one end of the front baffle close to a front connecting boss is provided with a rotational connection part having a pin hole, and the other end of the front baffle away from the front connecting boss is provided with two protruding clamp plates; and the bottom of the pull rod is rotationally connected with the rotational connection part of the front baffle, and the middle of the pull rod can be clamped and connected between the two clamp plates. The easy-to-carry four-wheel folding trailer has the advantage of multiple purposes and multiple functions.

Description

technical field [0001] The invention relates to the technical field of trailers, in particular to an easy-to-carry four-wheel foldable trailer. Background technique [0002] 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. [0003] 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 annular groove , the lower end surface of the first annular groove is provided with a first helical guide surface; the load-bearing bottom plate is folded and attached to the frame, and it is arranged perpendicular to the frame af...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B62B3/02
CPCB62B1/042B62B3/02B62B3/022B62B2205/02B62B2205/12B62B2206/006
Inventor 不公告发明人
Owner 管伟
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap