A trolley-type schoolbag specially designed for primary school students to realize free switching of multiple states
A primary school, pull-rod technology, applied in applications, home appliances, travel or camping equipment, etc., can solve the problems of uncomfortable straps, inconvenient switching, easy to damage the spine of primary school students, etc., to achieve convenient and easy switching, avoid use defects, The effect of improving portability
Active Publication Date: 2020-05-15
湖南米其箱包有限公司
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Problems solved by technology
[0002] Schoolbag is an indispensable tool for students, and has become an indispensable part of campus life, and schoolbag pays attention to convenience and comfort when used by primary school students, so a kind of trolley schoolbag is designed in the prior art, and the trolley style When the schoolbag is in use, you can freely switch between the strap type and the push-pull type. In rainy days, the push-pull type is not suitable, so you need to use the strap type. In some indoors, due to the heavy weight of the schoolbag, it is not suitable for primary school students to carry it for a long time , and the existing trolley schoolbag needs to disassemble the whole trolley when it is disassembled, which makes it inconvenient to switch between the strap type and the trolley type of the existing trolley schoolbag, and in some shorter distances, primary school students feel It is inconvenient to switch back and forth between the strap type and the push-pull type. Due to the complicated operation, the pull rod is often not put away and carried directly on the back. This will make the straps more uncomfortable and easily damage the spine of primary school students
Method used
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[0023] Such as Figure 1-Figure 4 As shown, the present invention provides a kind of trolley-type schoolbag specially designed for primary school students to realize free switching of various states, and its structure includes a trolley 1 and a bag body 2. The trolley 1 is mechanically connected with the bag body 2 in an L-shaped structure. Pull rod 1 is composed of pull rod latch mechanism 11, left telescopic pull rod 12, right telescopic pull rod 13, pull rod holder 14, fixed chassis 15, triangular wheel hub 16, wherein left telescopic pull rod 12 and right telescopic pull rod 13 form a door-shaped closed structure, embedded Covered on the back of the bag body 2, the back of the bag body 2 is provided with two side strips 21 fixed in the radial direction and two pull rod fixing belts 22 fixed in the weft direction, the left telescopic pull rod 12 and the right telescopic pull rod 13 The upper ends are mechanically connected together by the pull rod latch mechanism 11, and th...
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The invention discloses a pull-rod-type schoolbag capable of freely switching various states and special for pupils. The schoolbag structurally comprises a pull rod and a bag body, and the pull rod isof an L-shaped structure and is mechanically connected with the bag body; by designing a traditional non-detachable pull rod to be freely detachable, the integrated structure of the traditional pullrod is designed to in a combined type, a left retractable pull rod body and a right retractable pull rod body are fixed by a pull rod latch mechanism and combined for use under the function of the pull rod latch mechanism, and can be buckled and unbuckled through the horizontal and vertical states of a movable block; the schoolbag is in a push-pull type when the two retractable pull rod bodies arebuckled and in a strap type when the two retractable pull rod bodies are unbuckled; thus, the two states are conveniently and easily switched, and more convenience is provided for the pupils to use the schoolbag.
Description
technical field [0001] The invention relates to a trolley-type schoolbag, in particular to a trolley-type schoolbag specially designed for primary school students to realize free switching of various states. Background technique [0002] Schoolbag is an indispensable tool for students, and has become an indispensable part of campus life, and schoolbag pays attention to convenience and comfort when used by primary school students, so a kind of trolley schoolbag is designed in the prior art, and the trolley style When the schoolbag is in use, you can freely switch between the strap type and the push-pull type. In rainy days, the push-pull type is not suitable, so you need to use the strap type. In some indoors, due to the heavy weight of the schoolbag, it is not suitable for primary school students to carry it for a long time , and the existing trolley schoolbag needs to disassemble the whole trolley when it is disassembled, which makes it inconvenient to switch between the st...
Claims
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IPC IPC(8): A45F3/04A45C5/14A45C13/26A45C5/04
CPCA45C5/045A45C5/14A45C13/262A45F3/042
Inventor 万俊
Owner 湖南米其箱包有限公司