Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of multifunctional trolley backpack

A multi-functional, backpack technology, applied in the field of backpacks, can solve the problem of dirty backpack shoulder straps

Active Publication Date: 2022-05-20
上海唯想实业有限公司
View PDF14 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the problem that the shoulder straps of the backpack will be soiled by the ground, the application provides a multifunctional trolley backpack

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
  • A kind of multifunctional trolley backpack
  • A kind of multifunctional trolley backpack
  • A kind of multifunctional trolley backpack

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The following is attached Figure 1-4 The application is described in further detail.

[0033] The embodiment of the present application discloses a multifunctional trolley backpack. refer to figure 1 and figure 2 The multifunctional trolley backpack includes a backpack body 1 , a backboard 2 fixed on the back of the backpack body 1 , and a baseboard 3 fixed on the bottom of the backpack body 1 . A shoulder strap 11 is fixed on the bottom of the backboard 2 away from the backpack body 1, and a strap cover 12 is fixed on the top of the backboard 2 away from the backpack body 1 side; the strap cover 12 is hollow and open at both ends, and the shoulder strap 11 is worn on the Set of 12 inside. The side of the backboard 2 away from the backpack body 1 is provided with a mounting groove 13 for passing the shoulder strap 11 , and the backboard 2 is rotatably installed with a rotating roller 14 for winding the shoulder strap 11 through the mounting groove 13 . Winding th...

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

This application relates to a multi-functional trolley backpack, which includes a backpack body and a backboard fixed on one side of the backpack body. The bottom of the backboard away from the backpack body is fixed with shoulder straps. An installation groove for the shoulder belt is provided, and the backboard is rotated through the installation groove to install a rotating roller for winding the shoulder belt; the top of the backboard is provided with a first circular groove, and the backboard slides vertically through the first circular groove and is connected with a pull rod; The back plate is rotated through the first circular groove to install a connecting pipe, and a rotating assembly for driving the connecting pipe to rotate is arranged in the connecting pipe; a driving bevel gear is fixed on the top of the connecting pipe, and a connecting shaft is respectively fixed on the opposite inner side of the two rotating rollers. The end of the shaft away from the rotating roller is fixed with a driven bevel gear meshed with the driving bevel gear. The application has the effect of reducing the soiling of the shoulder straps of the backpack from the ground.

Description

technical field [0001] The present application relates to the field of backpacks, in particular to a multifunctional trolley backpack. Background technique [0002] At present, the trolley backpack is provided with a trolley and a roller on the backpack, so that the backpack can be dragged by the roller and the trolley in addition to carrying it. When the items contained in the backpack are heavy, the backpack can be dragged by the trolley to save effort. [0003] Related technologies can refer to the Chinese invention patent application whose authorized announcement number is CN110754777A, which discloses a trolley backpack, including a backpack. The bottom of the backpack is provided with rollers, and the rollers are located at the connection between the bottom of the backpack and the back of the backpack. There is a pull rod frame directly, the pull rod frame can be elastically bent, and the direction of elastic bending is one-way bending. The other side can be turned up...

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 Patents(China)
IPC IPC(8): A45F3/04A45F3/08A45C13/26A45C13/30A45C13/00
CPCA45F3/04A45F3/08A45C13/26A45C13/30A45C13/001
Inventor 胡海波黄娜杨地青
Owner 上海唯想实业有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com