JP3225273U - school bag - Google Patents

Abstract

An object of the present invention is to provide a school bag that can safely take in and out an electronic device.
Kind Code: A1 A bookcase includes a main storage chamber, a secondary storage chamber, and a front pocket portion for storing various teaching materials such as textbooks and notebooks, and a cover plate for opening and closing the upper portion of the school bag. In the school bag 1, a storage pocket body 15 formed in a bag shape for storing a plate-shaped electronic device having a display panel so that it can be taken in and out from above is provided on the back plate 11 side of the main storage chamber 3. It is attached so as to be connectable and separable via a connection piece 30 and a connection piece provided between the storage pocket body 15 and the storage pocket body 15.
[Selection diagram] Fig. 1

Description

The present invention relates to an improvement in schoolbags for schoolchildren that can accommodate electronic devices.

Conventionally, schoolbags for schoolchildren are composed of a schoolbag body made of leather or synthetic leather, a cover plate to cover the schoolbag body, and a shoulder belt for carrying the schoolbag body, and the schoolbag body is mainly used for storing textbooks and notebooks. It is formed by attaching a storage room, a sub-storage room for storing various teaching materials, and a front pocket for storing accessories.

In the main storage room of the school bag, prints, notices, and the like handed out at school these days are printed in A4 size, and the printed matter is often housed in a clear file and handed over. For this reason, the main storage chamber of the school bag is formed wide so that the A4 size clear file can be stored without bending.

On the other hand, in recent years, due to the advancement of information technology, information education and ICT utilization education have been implemented in educational fields since 2020, as shown in the Ministry of Education, Culture, Sports, Science and Technology's new learning guidelines. For this reason, school children routinely take classes using a plate-shaped electronic device having a display panel such as a notebook computer or a tablet terminal. Therefore, there are cases where school children need to carry the electronic device in a school bag when going to and from school.

Therefore, a storage space for storing the electronic device is required in the school bag. As the storage space, a bag-shaped storage body for storing the electronic device is attached between the main storage room and the sub-storage room. It has been widely known that a detachable portion made of a hook or the like is provided in the container, and the detachable portion and a detachable portion made of a hook or the like provided above the main accommodation chamber are attached and used so as to be connectable. Reference 1).

Alternatively, in order to store the electronic device, a pocket-type sub-storage portion having a suede surface provided on the panel side of the electronic device and having an upper opening is attached between the main storage room and the sub-storage room of the school bag. There is also a widely known school bag (Patent Document 2).

Practical No. 3210939 Practical No. 3180954

However, when the electronic device having a heavy weight of 500 g or more is accommodated between the main accommodation room and the sub accommodation room, the center of gravity of the school bag is located outward. For this reason, when a schoolchild carries a school bag, the school bag is pulled outward, so that when running, the school bag is swung to the left and right, making it difficult to run, and when the school bag is shaken, the electronic device housed inside the school bag may be damaged. And so on.

Also, in the latter case, since the housing of the electronic device is located on the side of the sub-storage room opposite to the back plate, the center of gravity of the school bag is outward as in the former case, so students carry the school bag on their back. If a schoolchild runs, the body of the schoolchild may be shaken by the movement of the items, making it difficult to run, or the electronic devices housed inside may be damaged. In addition, since the electronic device has a weight of 500 g or more and is heavy, the opening located at the upper part of the accommodation room is kept open. Therefore, if the school bag is roughly handled, the electronic device may fall off. It has many problems.

In the present invention, the device storage pocket body for storing heavy electronic devices is attached to the backboard side of the school bag instead of the sub-housing side of the main housing room, so that the center of gravity is on the backboard side, so that the schoolbag can be easily carried. Minimize the swing of the school bag when going to and from school to prevent school children from turning backwards, thereby reducing fatigue.Also, this storage pocket body can be easily removed from the school bag and stored carelessly. It is another object of the present invention to prevent a pocket body from being detached from a school bag, and to be able to carry the electronic device safely in a state where the electronic device is stored in a storage pocket in a lesson using the electronic device.

The present invention comprises a main compartment 3 for accommodating various teaching materials such as textbooks and notebooks, a sub-containment compartment 5 and a school bag body 2 having a front pocket 7, and a cover plate 9 for opening and closing the upper part of the school bag main body. In the school bag 1, a storage pocket body formed in a bag shape on the back plate 11 side of the main storage chamber 3 for storing a plate-shaped electronic device X having a display panel so as to be able to be taken in and out through an opening 22 provided above. 15 is attached so as to be connectable / separable via a connecting piece 30 and a connecting piece 48 provided between the back plate 11 and the storage pocket body 15. Further, the storage pocket body 15 is composed of a base cloth part 16 and a front cloth part 17 formed by laminating at least one or more buffer parts 19 and 20 on a soft core plate 18, and the base cloth part 16 and the front cloth part 17 are formed. Each of the three sides, ie, both sides and the bottom side, is sewn into a bag shape, and an opening / closing fastener 24 is attached to the opening 22 provided above, and one end of the connecting piece 30 is attached to the upper edge of the base fabric base 16. And a pocket belt 29 connecting the two. Further, the base fabric portion 16 and the front fabric portion 17 are provided with a first buffer portion 19 made of a foamed synthetic resin material having a cushioning property such as a sponge or urethane for buffering and absorbing an external impact, and the first buffer portion. A second buffer portion 20 made of an EVA resin material, which is slightly harder than 19 and has elasticity such as a rubber material and is hard to lose its shape, is laminated on both surfaces of a soft core plate 18 made of a soft synthetic resin plate, respectively. The entirety including the first and second buffer portions 19 and 20 is covered with a fabric portion 21 and sewn. And also
The connecting piece 30 includes a pair of connecting strips 31a and 31b, a plurality of elements 32 provided at opposing ends of the connecting strip and meshing with each other, and sliding on the elements to mesh with each other. A slider 33 to be separated, a pair of connecting portions 35a and 35b which are detachably connected to each other in a male and female type at one end starting point side of the connecting strips 31a and 31b, and a slider 33 at the other end side of the connecting strips 31a and 31b. And one connecting band 31a is connected to the fixed band 28 provided at the upper end of the main storage chamber 3 on the back plate 11 side, and the other connecting band 31b is provided at the upper end of the storage pocket body 15. The storage pocket body 15 is connected to and separated from the back plate 11 surface of the main storage chamber 3 by connecting and attaching the storage pocket body 29 to the pocket band 29 and sliding the slider 33 of the connection piece 30. Characterized by comprising in the capacity. Further, a connecting portion 35 composed of a pair of males and females provided at one end of the connecting portion piece 30 is provided with a hook-type locking head 37 having an insertion port 37a at the tip of the substrate portion 36 and a symmetrical position on both sides of the substrate portion. A guide portion 38 for inserting the slider 33 into the female connector, a female coupling portion 35a having a locking groove portion 39 provided on one end surface, and a flat substrate portion 40 inserted into the locking groove portion 39 of the female coupling portion 35a. It is characterized by comprising a guide portion 41 for guiding the connection of the slider 33 to a symmetrical position on both sides, and a male coupling portion 35b provided with a locking projection 42 fitted to the locking head 37 of the female coupling portion 35a. I do. Further, the connection piece 48 is formed of a male and female band-shaped hook-and-loop fastener, and one male connection piece 48a is located below the surface of the back plate 11 of the main storage chamber 3 and the other female connection piece is formed. The piece 48b is mounted below the base fabric portion 16 of the storage pocket body 15 at a position opposite to the male connection piece 48a, and the connection piece 30 mounted above the storage pocket body 15 and the connection mounted below. It is characterized in that the storage pocket body 15 can be connected to and separated from the back plate 11 of the main storage chamber 3 by the pieces 48. Furthermore, the storage pocket body 15 is characterized in that a name plate 26 is attached to the center of the surface of the front fabric portion 17.

Therefore, the connection / connection between the pocket band 29 provided at the upper end of the storage pocket body 15 for storing the electronic device X in a removable manner and the fixed band 28 provided at the upper end of the back plate 11 in the main storage room 3 of the school bag. The storage pocket body 15 is attached to the back pocket by the detachable connecting piece 30, the adhesive piece 48 provided below the back surface of the storage pocket body 15 and below the back plate 11 in the main storage chamber 3 of the school bag. Can be reliably and stably detachably attached to the back plate side of the main storage chamber 3. Therefore, no matter how violently the schoolchild handles the school bag, there is no danger that the storage pocket body 15 will come off from the school bag, and it is safe. In addition, since the storage pocket body 15 storing the heavy electronic device X is located on the back plate 11 side in the main storage chamber 3, the center of gravity of the school bag can be set on the back plate side, so that the school bag can be easily carried and fatigue can be caused. Can be difficult. Furthermore, since the storage pocket body 15 is connected by the connecting piece 30 made of a slide fastener and the adhesive piece 48 made of a hook-and-loop fastener, the storage pocket body 15 can be removed from the main storage chamber 3 as necessary. Therefore, when moving to a classroom using the electronic device X, the electronic device X can be safely carried while the electronic device X is stored in the storage pocket body 15. In addition, since the storage pocket body 15 is formed by laminating the two types of buffer portions 19 and 20, it is possible to sufficiently absorb and mitigate an external shock applied to the electronic device X stored in the storage pocket body 15. In addition, it is possible to prevent a failure or a failure due to damage to the electronic device X.

FIG. 4 is a perspective view showing a state in which the lid plate of the school bag according to the present invention is opened. FIG. 4 is a partially broken plan view showing a state in which a storage pocket body is stored in a main storage chamber. It is the perspective view which showed the state where the storage pocket body was removed from the main storage chamber, and was partially broken. It is a front side perspective view of a storage pocket body. It is a rear side perspective view of a storage pocket body. It is an expanded sectional view of the fixed belt attached to the upper end of the backboard. It is a center longitudinal cross-sectional view of a storage pocket body. It is a principal part expanded sectional view of the base fabric part and the front fabric part which comprise a storage pocket body. It is the principal part enlarged plan view which showed the state before connecting the connection part of a connection part piece, and was partially broken. It is the principal part enlarged plan view which showed the state which connected the connection part of the connection part piece, and was partially broken.

FIG. 1 is a perspective view showing a state in which a cover plate of a school bag according to the present invention is opened, and FIG. 2 is a partially broken view showing a state in which a storage pocket body is stored in a main storage chamber. FIG. 3 is a partially cutaway perspective view showing the storage pocket body removed from the main storage chamber, FIG. 4 is a front perspective view of the storage pocket body, and FIG. 5 is a rear perspective view of the storage pocket body. FIG. 6 is an enlarged cross-sectional view of a part of the fixed belt attached to the upper end of the back plate, and FIG. 7 is a central vertical cross-sectional view of the storage pocket body. The school bag 1 is composed of a school bag body 2 formed of leather or synthetic leather, a cover plate 9 that covers the entire opening at the top of the school bag body 2, and a backpack belt (not shown) on which the schoolchild carries the school bag 1. I have.

As shown in FIG. 1, the school bag body 2 separately stores teaching materials such as textbooks, notebooks, and pencil cases, and has a main housing room 3 having an upper opening and a sub-housing having an upper opening for storing other learning tools. A chamber 5 and a bag-shaped front pocket 7 whose upper surface is opened and closed with a zipper are provided continuously.

The main storage chamber 3 stores various teaching materials such as textbooks and notebooks, and a storage pocket for storing a precision device (hereinafter, referred to as an electronic device) X formed in a plate shape having a display panel portion on its surface so that it can be taken in and out. The body 15 is housed so that it can be taken in and out.

As shown in FIGS. 1, 4, 5, and 7, the storage pocket body 15 is formed in a bag shape so that the electronic device X can be stored so as to be able to be taken in and out through an opening 22 provided above the storage pocket body 15. A connecting piece 30 attached between a fixed band 28 provided at the upper end of the main housing chamber 3 on the back plate 11 side and a pocket band 29 provided at the upper end of the storage pocket body 15, and a lower rear side of the storage pocket body 15. The storage pocket body 15 is attached so as to be connectable and separable from the back plate 11 surface of the main storage room 3 by means of a bonding piece 48 provided below the back plate 11 surface of the main storage room 3. Therefore, since the center of gravity of the storage pocket body 15 storing the heavy electronic device X can be located on the back plate surface 11 side, the posture of the school child does not warp backward, and the school bag can be easily carried, so that it is possible to reduce fatigue. It can reduce the burden on school children.

As shown in FIGS. 7 and 8, the storage pocket body 15 includes a base fabric portion 16 and a front fabric portion 17 formed of a material capable of absorbing and absorbing external impact. The three sides of both sides and the bottom side are sewn to each other to form a bag, and an opening / closing fastener 24 made of a slide fastener is attached to an opening 22 provided above to form an opening / closing opening. The device X is formed so that it can be taken in and out.

As shown in FIGS. 4 and 5, the opening 22 of the storage pocket body 15 is provided with a gusset opening 23 in which one side of the opening 22 is expanded to a gusset portion, and the entire opening 22 is formed to have a wide width. Therefore, since the opening 22 is extended to the gusset opening 23 and formed to be wide, it is easy to widen the opening to the left and right when the electronic device X is taken in and out.

Furthermore, since the opening / closing fastener 24 is attached to the opening 22, the electronic device X is stored, and when the opening 22 is closed, the storage pocket body 15 or the school bag is placed in a violent manner of a schoolchild who carries the school bag with her backpack. Even if the electronic device X is turned over, the stored electronic device X can be prevented from escaping from the storage pocket 20 to the outside, which is safe.

As shown in FIG. 8, the base fabric portion 16 and the front fabric portion 17 are first and second buffer portions made of two types of cushion materials having different materials on both surfaces of a soft core plate 18 made of a soft synthetic resin plate. 19 and 20 are laminated, and the whole is covered with a cloth portion 21 made of nylon cloth and sewn. The first buffer 19 is made of a foamed synthetic resin material such as sponge or urethane. The second buffer 20 is slightly harder than the first buffer 19 and has elasticity and flexibility like a rubber material. It is formed of an EVA resin material (ethylene-vinyl acetate copolymer resin) having low toughness. Therefore, the stored electronic device X can absorb and reduce the impact from the outside and the swing of the school bag, and thus the electronic device X can be prevented from being broken or broken.

As shown in FIG. 4, the storage pocket body 15 is provided with a name plate 26 in which a name card is inserted at the center of the front surface of the front fabric portion 17. In a class, the storage pocket body 15 storing the electronic device X may be detached from the main storage room 3 and moved to a classroom using the electronic device X, so that the storage pocket body 15 may be lost or mistaken. Therefore, by attaching a name plate 48 to the surface of the storage pocket body 15 and writing the name and grade, loss and mistake can be prevented.

As shown in FIGS. 1 and 2, the connecting piece 30 is attached between a fixed band 28 provided at the upper end of the main housing chamber 3 on the back plate 11 side and a pocket band 29 provided at the upper end of the storage pocket body 15. The storage pocket body 15 is formed so as to be connectable and separable from the back plate 11 of the main storage chamber 3.

The connecting piece 30 is a known slide fastener, and is preferably, for example, a trademark “ez-TRAK / Easy Truck” of YKK Corporation. When connecting normal belts to each other, a normal fastener is inserted by inserting a stop portion, which is an end of one of the belts, into a connection groove of a slider located at an end of the other belt from the axial center direction (vertical direction). are doing. However, the slide fastener of YKK Co., Ltd. can easily connect the ends simply by moving a pair of strips on which the elements are attached to each other in the horizontal direction.

Focusing on this function, the present invention uses a slide fastener of YKK Corporation, attaches one strip (connection strip 31a) to a fixed strip 28 provided at the upper end of the back plate 11, and connects the other strip (connection strip). The band 31b) is attached to the pocket band 29 provided at the upper end of the storage pocket body 15, and the upper end of the storage pocket body 15 and the upper end of the back plate 11 of the main storage chamber 3 are attached and detached by a simple operation of moving horizontally. be able to.

As shown in FIGS. 9 and 10, the connecting piece 30 is attached to a pair of connecting strips 31a and 31b, and is engaged with each other. And a pair of male and female coupling portions 35a and 35b that are detachably connected to each other in a male and female form at the one end starting side of the connection strips 31a and 31b, and the other end end sides of the connection strips 31a and 31b. A stop portion 45 for stopping the slider 33 is attached to the stop.

As described above, the connection belt 31a is attached to the fixed belt 28 provided on the back plate 11 of the main storage chamber 3 on the side opposite to the side on which the element 32 is mounted, and the connection belt 31b is attached to the upper end of the storage pocket body 15. The storage pocket body 15 is attached so as to be detachable and connectable from the back plate 11 by connecting the connection belt 31b to the provided pocket belt 29 and sliding the slider 33 on the connection belt.

One of the male and female coupling portions 35a and 35b, the female coupling portion 35a has a locking head 37 having a hook-shaped insertion portion 37a at the tip of the substrate portion 36 and a slider 33 inserted into a symmetrical position on both sides of the substrate portion 36. And a locking groove 39 in the longitudinal direction of one end surface. The other male coupling portion 35b is provided with a guide projection 41 for guiding connection to the slider 33 and the female coupling portion at a position symmetrical on both sides of the flat board portion 40 inserted into the locking groove portion 39 of the female retaining piece 35a. A locking projection 42 fitted to the locking head 37 of 35a is provided.

The connection of the connecting portion 35 by the female connecting portion 35a and the male connecting portion 35b is such that the female connecting portion 35a and the male connecting portion 35b are positioned parallel to each other, and then the upper and lower surfaces of the substrate portion 36 of the female connecting portion 35a are connected. The slider 33 is positioned on the provided guide portion 38, and the board portion 41 of the male coupling portion 35b is moved horizontally in the slide groove (not shown) of the slider and the locking groove portion 39 of the female retaining piece 35a. By inserting the portion 41 into the locking groove 39 and the slide groove, and fittingly locking the locking projection 43 of the male coupling portion 35b from the insertion portion 37a of the female coupling portion 35a to the locking head 37, the female coupling is achieved. The portion 35a and one end of the male coupling portion 35b can be joined without being displaced. Furthermore, after the whole of the female coupling portion 35a and the male coupling portion 35b are joined to each other, the slider 33 is slid in the direction of the stop portion 45 on the opposite side, so that the elements 32a and 32b mesh with each other, so that the components are easily engaged. Can be linked.

The separation of the female connecting portion 35a and the male connecting portion 35b is performed by performing the reverse operation of the above operation. After the slider 33 is slid in the direction of the connecting portion 35 and the elements 32a and 32b meshing with each other are disengaged from the connected state and the slider 33 is slid to the connecting portion 35, the male connecting portion 35b is moved in the horizontal direction. By simply pulling, the connecting belt 31a and the connecting belt 31b can be easily separated. Therefore, it is possible to easily carry out the attaching / detaching operation from the lower grades school children to the upper grades school children, and it is possible to safely and reliably perform the attaching / detaching operation.

The connecting piece 48 is formed of a male and female band-shaped surface fastener, and one male connecting piece 48a is located below the back plate 11 surface of the main storage chamber 3 and the other female connecting piece 48b is formed. It is mounted below the base fabric portion 16 of the storage pocket body 15 at a position opposed to the male connecting piece. The lower portion of the storage pocket body 15 can be brought into close contact with the back plate 11 in conjunction with the connecting piece 30, so that the heavy storage pocket body 15 can be prevented from moving in the main storage chamber 3. In addition, even if the schoolchild uses the school bag violently or pulls the storage pocket body 15, the lower part of the storage pocket body 15 can be securely fixed without flapping in the main storage room 3 without coming off the back plate surface. it can.

As shown in FIG. 4, the storage pocket body 15 has a name plate 26 attached above the front surface of the front fabric portion 17. By writing the name and grade on a name plate 26 attached to the surface of the storage pocket body 15, it is possible to prevent the storage pocket body 15 from being lost or mistaken when the classroom is moved with the storage pocket body 15. Can be prevented.

The operation of the embodiment according to the present invention will be described. The school bag 1 is detachably mounted on the back plate surface 11 of the main housing room 3 of the school bag main body 2 with a housing pocket body 15 housing electronic equipment X as precision equipment. It is. Therefore, the center of gravity of the storage pocket body 15 storing the heavy electronic device X is moved to the back plate side, so that the schoolchild carrying the school bag does not warp backward, and the burden on the shoulders and waist can be reduced.

The storage pocket body 15 has a connecting piece 30 attached to the upper end of the storage pocket body and the main housing chamber 3 on the back plate 11 side, and is provided below the storage pocket body 15 and the lower side of the main storage chamber 3 on the back plate 11 side. The connecting piece 48 is attached and detachably connected. The connecting piece 30 is attached between the fixed band 28 provided at the upper end of the back plate 11 and the pocket band 29 of the storage pocket body 15 to connect the storage pocket body 15 to the main storage chamber 3. It can be separated and connected from the back plate 11.

Therefore, when moving to a classroom using the electronic device X in a lesson, the storage pocket body 15 is removed from the main storage room 3 while the electronic device X is stored, without exposing the electronic device X. You can move to the classroom. Therefore, even if the electronic device X is dropped or hit while moving, the storage pocket body 15 can absorb and reduce the impact to protect the electronic device X. In particular, since the expensive electronic device X is lent to each school child, failure due to an external impact can be prevented, which is very economical.

The connection / separation of the connection pieces 30 is performed by positioning the one female connection part 35a and the other male connection part 35b of the pair of connection parts 35 in parallel to each other, The slider 33 is positioned on the portion 38, and the board portion 40 of the male coupling portion 35b is moved from the horizontal direction into the slide groove (not shown) of the slider and the locking groove 39 of the female retaining piece 35a. The female coupling portion 35a and the male coupling portion 35b are easily formed by fitting the retaining projections 42 of the male coupling portion 35b with the locking head 37 of the female coupling portion 35a while fitting the female coupling portion 39 with the slide groove. Can be joined without separating. Next, after joining the female coupling portion 35a and the male coupling portion 35b to each other, the slider 33 is slid in the direction of the opposite stop portion 45 so that the elements 32a and 32b mesh with each other and can be easily coupled. it can.

When the slider 33 is slid in the direction of the coupling portion 35 by the reverse operation of the above operation, the female coupling portion 35a and the male coupling portion 35b are separated from the connected state where the elements 32a and 32b mesh with each other. After sliding the connecting portion 35 to the connecting portion 35, the connecting band 31a and the connecting band 31b can be easily separated only by pulling the male connecting portion 35b in the horizontal direction. Therefore, it is possible to easily perform the detaching operation from the lower-grade school children to the higher-grade school children, and it is possible to securely and securely connect.

Since the storage pocket body 15 is formed to be openable and closable by attaching the opening and closing zipper 24 to the opening 22, the electronic device X can be securely stored. Even if it is turned over, there is no danger that the electronic device X in the storage pocket body 15 will jump out, and it is safe. Further, since the opening 22 provided in the storage pocket 15 has one side widened to the gusset opening 23, the opening 22 can be largely opened right and left, so that the electronic device X can be easily taken in and out. be able to.

The base fabric portion 16 and the front fabric portion 17 constituting the storage pocket body 15 are formed by laminating a first buffer portion 19 and a second buffer portion 20 having different impact characteristics on both surfaces of a soft core plate 27a made of a soft resin plate. Then, the soft core plate 27a and the first and second buffer portions 19 and 20 are wrapped and sewn with the cloth portion 27c, thereby absorbing and relaxing a strong external impact force to protect the electronic device X.

By writing the name and grade on a name plate 26 provided on the surface of the storage pocket body 15, it is possible to prevent the storage pocket body 15 from being lost or mistaken when the classroom is moved with the storage pocket body 15. Can be prevented.

The storage pocket body 15 is provided with a connecting piece 30 made of a slide fastener and an adhesive piece 48 made of a surface fastener below. The storage pocket body 15 can be stably mounted, and can be securely fixed without the storage pocket body 15 falling out of the main storage chamber 3 even when the schoolchild roughly handles the school bag or pulls the storage pocket body 15.

Reference Signs List 1 school bag 2 school bag main body 3 main housing room 5 sub-housing room 7 front pocket section 9 cover plate 11 back plate 15 storage pocket body 16 base fabric section 17 front fabric section 18 soft core board 19 first buffer section 20 second buffer section 21 Cloth part 22 Opening part 23 Depth opening 24 Opening / closing fastener 26 Name plate 28 Fixed band 29 Pocket band 30 Connecting piece 31a Connecting band 31b Connecting band 32 Element 33 Slider 35 Connecting part 35a Female stop 35b Male stop 36 Board part 37 Locking head 38 Guide portion 39 Locking groove portion 40 Substrate portion 41 Guide protrusion 42 Locking protrusion 48 Adhesive piece X Electronic device

Claims (7)

A school bag body (2) having a main housing room (3) for storing various teaching materials such as textbooks and notebooks, a sub housing room (5), and a front pocket portion (7), and a lid that covers the upper part of the school bag body so that it can be opened and closed. In a school bag (1) comprising a plate (9), an opening () in which a plate-shaped electronic device (X) having a display panel is provided on the back plate (11) side of the main storage chamber (3). 22) a connecting piece (30) and a connecting piece provided between the back plate (11) and the storing pocket body (15); A school bag characterized by being connected and separable via (48). The storage pocket body (15) comprises a base fabric portion (16) formed by laminating at least one or more buffer portions (19, 20) on a soft core plate (18), and a front fabric portion (17). Cloth portions (16) and the front fabric portion (17) are sewn into the shape of a bag by sewing the three sides of both sides and the bottom side, and an opening and closing fastener (24) is attached to the opening (22) provided above. The school bag according to claim 1, characterized in that a pocket strip (29) connecting one end of the connecting piece (30) is attached to an upper edge of the base fabric section (16). The base fabric portion (16) and the front fabric portion (17) include a first buffer portion (19) made of a foamed synthetic resin material having a cushioning property, such as sponge or urethane that buffers and absorbs an external impact; A second buffer portion (20) made of an EVA resin material which is slightly harder than the buffer portion (19) and has elasticity such as rubber material and is hard to lose its shape is provided on both sides of a soft core plate (18) made of a soft synthetic resin plate. 3. A school bag according to claim 2, wherein the whole is laminated, and the whole including the soft core plate and the first and second buffer portions is covered with a fabric portion and sewn. The connecting piece (30) includes a pair of connecting strips (31a, 31b), a number of elements (32) provided at opposite ends of the connecting strip and meshing with each other, and slides on the elements. A slider (33) that meshes and separates the elements (32) with each other, and a pair of coupling portions (35a, 35b) that are detachably coupled to each other in a male and female type on one end starting point side of the coupling band (31a, 31b). A stop (45) for stopping the slider (33) is provided at the other end of the connection belt (31a, 31b), and one of the connection belts (31a) is a back plate (11) of the main storage chamber (3). The other fixed band (31b) is connected to and attached to a pocket band (29) provided at the upper end of the storage pocket body (15). ) Slider (33) By moving, satchel according to claim 1, characterized in that in the connectable and separating the back plate 11 side of the storage pocket element (15) mainly receiving chamber (3). A coupling part (35) composed of a pair of male and female provided at one end of the connecting piece (30) is provided with a hook-type locking head (37) having an insertion opening (37a) at the tip of the substrate part (36). A guide portion (38) for inserting a slider (33) into a symmetrical position on both sides of the substrate portion, a female coupling portion (35a) having a locking groove (39) on one end surface, and the female coupling portion A guide part (41) for guiding the connection of the slider (33) to a position symmetrical on both sides of the flat board part (40) inserted into the locking groove part (39) of the part (35a); and the female coupling part (35a). 5. The school bag according to claim 4, further comprising a male coupling portion provided with a locking projection fitted to the locking head. The connecting piece (48) is formed of a male and female band-shaped hook-and-loop fastener, and one male connecting piece (48a) is located below the back plate (11) surface of the main storage chamber (3). The other female connecting piece (48b) is mounted below the base fabric portion (16) of the storage pocket body (15) at a position opposing the male connecting piece (48a), and the storage pocket body (15) is provided. The storage pocket body (15) is connected to and separated from the back plate (11) surface of the main storage chamber (3) by a connecting piece (30) mounted above and a connecting piece (48) mounted below. The school bag according to claim 1, wherein the school bag is enabled. The school bag according to claim 2 or 3, wherein the storage pocket body (15) has a name plate (26) attached to the center of the surface of the front fabric portion (17).

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