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Multifunctional trolley backpack

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

Active Publication Date: 2021-07-02
上海唯想实业有限公司
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  • 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

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  • Multifunctional trolley backpack
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  • Multifunctional trolley backpack

Examples

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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...

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PUM

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Abstract

The invention relates a multifunctional trolley backpack which comprises a backpack body and a back plate fixed to one side of the backpack body, shoulder straps are fixed to the bottom of the side, away from the backpack body, of the back plate, mounting grooves used for allowing the shoulder straps to penetrate through are formed in the side, away from the backpack body, of the back plate, and rotating rollers used for winding the shoulder straps are rotatably mounted on the back plate through the mounting grooves; a first circular groove is formed in the top of the back plate, and the back plate is vertically and slidably connected with a pull rod through the first circular groove; a connecting pipe is rotatably mounted on the back plate through the first circular groove, and a rotating assembly used for driving the connecting pipe to rotate is arranged in the connecting pipe; and driving bevel gears are fixed to the top of the connecting pipe, connecting shafts are fixed to the opposite inner sides of the two rotating rollers correspondingly, and driven bevel gears meshed with the driving bevel gears are fixed to the ends, away from the rotating rollers, of the connecting shafts. The backpack has the effect of preventing the shoulder straps of the backpack from being stained by 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

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Application Information

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Patent Type & Authority Applications(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