CN211154276U - A lightweight student schoolbag with adjustable volume - Google Patents

Abstract

A volume-adjustable lightweight student school bag, comprising a retractable main bag, a man-machine back pad, an adjustable shoulder strap, an adjustable chest strap and an adjustable waist belt, wherein the main body of the retractable main bag is light-weight through the interior The frame is supported and fixed by two side shrinkable buckles. The shrinkable buckles are symmetrically arranged on the left and right sides of the main bag body. The adjustable shoulder strap includes a shoulder strap and a colorful strap, the colored strap is connected with the shoulder strap through an adjustment buckle, the adjustable chest strap is connected with the shoulder strap through a sliding buckle, and the adjustable waistband is located at the lower part of the rear of the retractable main bag . The utility model provides a volume-adjustable lightweight student schoolbag, which can meet the needs of 7-12-year-old primary school students' spine protection and indoor and outdoor use.

Description

A lightweight student schoolbag with adjustable volume

technical field

The utility model relates to the technical field of student supplies, in particular to a lightweight student schoolbag with adjustable volume.

Background technique

Contemporary primary school students have high learning pressure, heavy schoolwork burden, excessive schoolbag load and improper carrying methods, which have adversely affected the physical health of primary school students, especially the health of the spine. Nowadays, more and more people are beginning to pay attention to the impact of schoolbags on children's spine development, and people have higher requirements for the spine protection function of schoolbags for primary school students. There are many kinds of schoolbags on the market, but most of them only pursue the appearance, and their ridge protection function cannot meet the existing requirements.

SUMMARY OF THE INVENTION

In order to overcome the defects of the existing student schoolbags, the utility model provides a lightweight student schoolbag with adjustable volume, which can meet the needs of 7-12-year-old primary school students for ridge protection and indoor and outdoor use.

The technical scheme adopted by the utility model to solve its technical problems is:

A volume-adjustable lightweight student school bag, comprising a retractable main bag, a man-machine back pad, two adjustable shoulder straps, an adjustable chest strap and an adjustable waist belt, the man-machine back pad being sewn on the retractable main body. The back side of the bag is wrapped in mesh, and two adjustable shoulder straps are symmetrically sewn on the left and right sides of the rear of the retractable main bag. Each adjustable shoulder strap includes a shoulder strap and a tie, which is connected to the shoulder through an adjustable buckle. strap connection, the left and right ends of the adjustable chest strap are respectively connected with two shoulder straps through a sliding buckle, and the adjustable waist belt is arranged at the lower part of the rear of the retractable main bag;

The shrinkable main bag includes a main bag body, two shrinkable buckles for shrinking the inner volume of the main bag, a front zipper, a top zipper, a water cup divider bag, a personalized sticker, a smart GPS positioning device, a handle, a class schedule A transparent insert pocket and a partition interlayer, the front zipper is arranged on the front of the main package body for opening and closing of the front part of the main package body, the water cup partition bag is located in the main package body and is arranged on the front part of the main package body, The front part of the main bag body is also provided with a front side opening, the front side opening is communicated with the water cup separation bag, two shrinkage buckles are respectively arranged on the left and right sides of the main bag body, and the top zipper is arranged on the top of the main bag body , used for the opening and closing of the top of the main bag body, the transparent insertion pocket of the timetable is sewn into the top of the main bag body, the intelligent GPS positioning device is set in the personalized sticker, and the personalized sticker is set on the front outer surface of the main bag body On the top, the separating interlayer is arranged on the rear side of the main bag body, and the handle is sewn on the top of the main bag body;

Reflective strips are sewn above the opening on the front side of the main bag body, and zipper pockets are symmetrically arranged on the left and right sides below the rear side of the main bag body, and the key buckle is sewn in one side of the zipper pocket.

Further, each shrinkage clip includes a fixed clip, a clip device and a sliding clip, the fixed clip is sewn on the front side of the main package body, the clip device and the fixed clip are connected by screws, and the back of the sliding clip is The end is sewn on the rear side of the main bag body, and the front end of the sliding cassette passes through the buckle device. The buckle device includes a card slot, a toothed switch, and a return spring. The card slot and the toothed switch are connected by a rotating shaft. The relative displacement is generated by the return spring, and the buckle device and the sliding cassette are fixed to each other through a toothed switch.

Still further, the front side opening is opened and closed through a Velcro.

Still further, the front zipper is a two-way zipper.

Still further, the top zipper is a one-way zipper, and two zippers are provided, which are placed on the top of the main bag body symmetrically in the front and rear respectively, and the transparent slip pocket for the timetable is located between the two top zippers.

Still further, the personalized sticker is connected with the main package body through Velcro, and the edge is sewn with reflective material.

Still further, the keychain is a stretchable keychain.

Still further, the straps are colored straps, the adjustable shoulder straps are adjusted in size through an adjustment buckle; the adjustable chest straps are adjusted in size through an adjustable buckle; the adjustable waistband includes two parts: left and right, each Parts include side waist pads and straps, the straps are sewn on the side waistband, the two side waist pads are symmetrically sewn on the left and right sides of the main bag body, and the adjustable waistband is adjusted by adjusting Snaps adjust the size.

Still further, the inside of the main bag is filled with EVA material, supported by a lightweight frame, and the outside is wrapped by Gore-Tex cloth, and the lightweight frame is made of resin thin rod material; the main bag is sewn on the outside of the frame. Make reflective strips.

Further, the zipper pulls of the two top zippers are connected by a braided rope, which can be opened at the same time.

The beneficial effects of the utility model are mainly manifested in that the volume of the school bag is adapted to the volume of the content of the school bag through the adjustment of the retractable buckles on both sides of the retractable main bag, so that the center of gravity of the school bag is closer to the human body, and the spine of the child is protected. ～12-year-old primary school students need to protect the spine, and the frame-type schoolbag structure is lighter in weight and less pressure on the children's spine; at the same time, the front zipper and top zipper are opened and closed to meet the needs of primary school students to store different items indoors and outdoors.

Description of drawings

Figure 1 is an exploded view of the present utility model.

Figure 2 is a schematic structural diagram of the present invention.

Figure 3 is a schematic diagram of the structure of the adjustable shoulder strap.

Figure 4 is a schematic structural diagram of an adjustable chest strap.

Figure 5 is a schematic view of the structure of the adjustable waist belt.

Figure 6 is a schematic diagram of the retractable main bag

FIG. 7 is a schematic view of the open state of the front zipper of the main bag body.

FIG. 8 is a schematic view of the open state of the top zipper of the main bag body.

FIG. 9 is a schematic diagram of the position of the zipper bag being pulled on the retractable main bag.

Figure 10 is a schematic diagram of the keychain.

Figure 11 is a schematic diagram of the structure of the personalized sticker.

Figure 12 is a schematic diagram of the location of the personalized sticker and the internal intelligent GPS positioning device.

FIG. 13 is a schematic diagram of the state where the retractable buckle is extended to the longest state.

FIG. 14 is a schematic diagram of a state where the shrinkage buckle is shortened to the shortest point.

Figure 15 is a schematic diagram of the structure of the shrink clip.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

1 to 15, a volume-adjustable lightweight student schoolbag includes a retractable main bag 1, a man-machine back pad 2, an adjustable shoulder strap 3, an adjustable chest strap 4 and an adjustable waist belt 5. The man-machine back pad 2 is sewn on the back side of the retractable main bag 1 and wrapped with a mesh cloth. The adjustable shoulder strap 3 includes a shoulder strap 6 and a colored strap 7. The colored strap 7 is connected to the shoulder strap through an adjustment buckle. 6 is connected, the adjustable chest strap 4 is connected with the shoulder strap 6 through a sliding buckle, and the adjustable waist belt 5 is located at the lower rear part of the retractable main bag 1 .

The shrinkable main bag 1 includes a main bag body 10, a shrinkable buckle 11, a water cup separation bag 12, a personalized sticker 13, an intelligent GPS positioning device 20, a handle 14, a front zipper 15, a top zipper 16, and a transparent slip pocket for class schedules. 17. Separation interlayer 18, zipper bag 19, key chain 21, the main bag body 10 is supported by an internal lightweight frame, and is fixed by two side shrinkage buckles 11, which are symmetrically arranged on the left and right sides of the main bag body 10 On both sides, the water cup separation bag 12 is located on the inner front side of the main package body 10, and at the same time, a front side opening of the main package body is formed on the front side of the main package body 10, and the front side opening of the main package body is opened and closed by a Velcro A reflective strip is sewn above the opening on the front side of the main bag body. The intelligent GPS positioning device 20 is located inside the personalized sticker 13 for positioning. Two handles 14 are sewn on the top of the main bag body 10. The zipper 15 is located at the front of the main bag body 10 and is a two-way zipper. The two top zippers 16 are symmetrically placed on the top of the main bag body 10 and located between the two handles 14. The top zipper 16 is a one-way zipper. The interlayer 18 is located on the inner rear side of the main package body 10, and is used for separation, and includes two separation sheets and a separation belt. The separation belt includes two straps and an adjustable buckle. The other ends are connected by adjustable buckles; the transparent insertion pocket 17 of the timetable is sewn on the inner top side of the main bag body 10, and the transparent insertion pocket 17 of the timetable is located between the top zippers 16, and the zipper pocket 19 is placed symmetrically on the back side of the main bag 10, the zipper bag 19 is sewn on the inside of the back of the main bag 10, the opening of the zipper bag 19 is arranged on the back of the main bag 10, and the keychain 21 is sewn on a In side zip pocket 19.

Further, each shrinkable clip 11 includes a fixed clip 22, a clip device 23 and a sliding clip 24. The fixed clip 22 is sewn on the front side of the main package body 10, and the clip device 23 and the fixed clip 22 are connected by screws. The rear end of the sliding cassette is sewn on the rear side of the main bag body, and the front end of the sliding cassette passes through the buckle device. The buckle device 23 includes a card slot, a toothed switch, and a return spring. It is connected with the toothed switch through a rotating shaft, and generates relative displacement through a return spring, and the buckle device 23 and the sliding cassette 24 are fixed to each other through the toothed switch.

Further, two adjustable shoulder straps 3 are symmetrically sewn on the left and right sides of the rear of the retractable main bag 1, and each adjustable shoulder strap 3 can be adjusted in size through an adjustment buckle. The adjustable chest strap 4 can be adjusted in size through adjustable buckles. The adjustable waistband 5 includes left and right parts, each part includes a side waist pad 8 and a tie 9, the tie 9 is sewn on the side waistband, and the two side waist pads 8 are symmetrically sewn on the side. On the left and right sides of the main bag body, the adjustable waist belt 5 can be adjusted in size through adjustable buckles.

Still further, the personalized sticker 13 is connected with the main package body through Velcro, and the edge is sewn with reflective material.

Still further, the keychain 21 is a stretchable keychain.

Still further, the main package body 10 includes a lightweight frame, a filling material, an outer cover material and a reflective strip. The inside of the main package body 10 is filled with EVA material and supported by the lightweight frame, and the outside is wrapped by Gore-Tex cloth. , the lightweight frame is made of resin thin rod material; the main package body 10 is sewn with reflective strips on the outside of the frame.

Further, the zipper heads of the two top zippers 16 are connected by woven ropes, and the two top zippers 16 can be opened simultaneously through the woven ropes.

As shown in FIG. 4 and FIG. 5 , the adjustment method of the adjustable chest strap 4 and the adjustment method of the adjustable waist belt 5 are the same as the adjustment method of the existing school bag chest strap.

As shown in FIG. 11 , the backside of the personalized sticker 13 is provided with a Velcro hook surface, the front side of the main package body 10 is provided with a Velcro suede surface, and the personalized sticker 13 is connected with the main package body 10 by a Velcro sticker.

As shown in FIG. 9 , the man-machine back pad 2 is obtained by calculating the back curves of minors aged 7-12.

As shown in Figure 7, when the front zipper 15 is opened, the main bag body can be fully opened by 180°

As shown in Figure 15, first press the toothed switch, and then slide the cassette to slide. When it slides to an appropriate size, release the toothed switch, and the toothed switch is reset under the action of the return spring, and the tooth of the sliding cassette matches the The teeth on the toothed switch are locked in position with each other, thereby realizing the fixation.

The utility model adopts the shrinking buckle to change the volume of the schoolbag to adapt to the volume of the content of the schoolbag, so that the center of gravity of the schoolbag is closer to the human body, and has a protective effect on the spine of children. pressure. The front zipper and the top zipper are used to meet the needs of primary school students for storing different items indoors and outdoors, and the adjustable shoulder straps, adjustable chest straps and adjustable waistbands are used to accommodate students aged 7 to 12 years old. Carrying needs of different body types.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, Alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A volume-adjustable lightweight student schoolbag, characterized in that it comprises a retractable main bag, a man-machine back pad, two adjustable shoulder straps, an adjustable chest strap and an adjustable waist belt, and the man-machine back pad Sewn on the back side of the retractable main bag and wrapped with mesh, two adjustable shoulder straps are symmetrically sewn on the left and right sides of the rear of the retractable main bag, each adjustable shoulder strap includes a shoulder strap and a tie, the The strap is connected with the shoulder strap through an adjustment buckle, the left and right ends of the adjustable chest strap are respectively connected with the two shoulder straps through a sliding buckle, and the adjustable waist belt is arranged at the lower part of the rear of the retractable main bag; The shrinkable main bag includes a main bag body, two shrinkable buckles for shrinking the inner volume of the main bag, a front zipper, a top zipper, a water cup separation bag, a personalized sticker, an intelligent GPS positioning device, a handle, and a class schedule. A transparent insert pocket and a partition interlayer, the front zipper is arranged on the front of the main package body for opening and closing of the front part of the main package body, the water cup partition bag is located in the main package body and is arranged on the front part of the main package body, The front part of the main bag body is also provided with a front side opening, the front side opening is communicated with the water cup separation bag, two shrinkage buckles are respectively arranged on the left and right sides of the main bag body, and the top zipper is arranged on the top of the main bag body , used for the opening and closing of the top of the main bag body, the transparent insertion pocket of the timetable is sewn into the top of the main bag body, the intelligent GPS positioning device is set in the personalized sticker, and the personalized sticker is set on the front outer surface of the main bag body On the top, the separating interlayer is arranged on the rear side of the main bag body, and the handle is sewn on the top of the main bag body; Reflective strips are sewn above the opening on the front side of the main bag body, and zipper pockets are symmetrically arranged on the left and right sides below the rear side of the main bag body, and the key buckle is sewn in one side of the zipper pocket. 2 . The volume-adjustable lightweight student schoolbag according to claim 1 , wherein each shrinkable buckle comprises a fixed clip, a clip device and a sliding clip, and the fixed clip is sewn on the main bag body. 3 . In the front part of the side, the buckle device is connected with the fixed cassette by screws, the rear end of the sliding cassette is sewn on the rear side of the main bag body, and the front end of the sliding cassette passes through the buckle A slot, a toothed switch, and a return spring, the slot and the toothed switch are connected by a rotating shaft, and the relative displacement is generated by the return spring, and the buckle device and the sliding cassette are fixed to each other through the toothed switch. 3 . The volume-adjustable lightweight student schoolbag according to claim 1 or 2 , wherein the front opening is opened and closed by a Velcro. 4 . 4. The volume-adjustable lightweight student schoolbag according to claim 1 or 2, wherein the front zipper is a two-way zipper. 5. The volume-adjustable lightweight student schoolbag according to claim 1 or 2, wherein the top zipper is a one-way zipper, and two zippers are provided, which are symmetrically placed on the top of the main bag body, respectively. The transparent slip pocket for the timetable is located between the two top zippers. 6 . The volume-adjustable lightweight student schoolbag according to claim 1 or 2 , wherein the personalized sticker is connected to the main bag body through Velcro, and the edges are sewn with reflective material. 7 . 7 . The volume-adjustable lightweight student schoolbag according to claim 1 or 2 , wherein the keychain is a stretchable keychain. 8 . 8. A volume-adjustable lightweight student schoolbag according to claim 1 or 2, characterized in that: the straps are colored straps, and the adjustable shoulder straps are adjusted in size by adjusting buckles; The adjustable chest belt adjusts the size through the adjustable buckle; the adjustable waist belt includes two parts, left and right, each part includes a side waist pad and a belt, the belt is sewn on the side belt, and the two side belts are The waist pad is symmetrically sewn on the left and right sides of the main bag body, and the adjustable waistband is adjusted in size through an adjustable buckle. 9. A volume-adjustable lightweight student schoolbag according to claim 1 or 2, characterized in that: the inside of the main bag is filled with EVA material, supported by a lightweight frame, and the outside is supported by Gore-Tex The lightweight frame is made of resin thin rod material; the main package body is sewn with reflective strips on the outside of the frame. 10 . The volume-adjustable lightweight student schoolbag according to claim 5 , wherein the zipper heads of the two top zippers are connected by a braided rope, and can be opened simultaneously through the braided rope. 11 .

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