CN209862577U - Schoolbag with adjustable volume - Google Patents

Abstract

The utility model discloses a schoolbag with adjustable volume, including the schoolbag, the opening has been seted up at the schoolbag middle part, the opening mid-mounting has the zip fastener, the box is all installed to schoolbag right side top and bottom, the joint has the son to detain in the box, and is two sets of the gas die box is installed on the son knot right side, gas die box top right side intercommunication has gas tube one end, the gasbag is installed to the gas tube end, gas die box right side bottom intercommunication has the air discharge nozzle. The utility model discloses an install gas die box, son and detain and box, can be through extrudeing the gasbag repeatedly, fill into proper amount gas in to gas die box through the gas tube, make gas die box be in full state, detain the son of gas die box simultaneously and the box joint of schoolbag, form a handmade goods and store up the box, prevent that handmade goods from arranging in the schoolbag, the extrusion deformation phenomenon appears, handmade goods's is complete and pleasing to the eye to obtain guaranteeing, is fit for extensively promoting and using.

Description

Schoolbag with adjustable volume

Technical Field

The utility model relates to a student articles for use technical field specifically is a schoolbag with adjustable volume.

Background

Currently, a schoolbag refers to a bag made of cloth, leather, and the like. The student is used for carrying books and stationery. According to the change of the consumer grade, the schoolbag develops a schoolbag, namely a case, which can reduce the burden of students. The schoolbag is made of various materials. The fashionable trend is led by wallets made of leather, PU, terylene, canvas, cotton, hemp and the like. Meanwhile, in the era of more and more brand personalities, various styles such as conciseness, vintage, cartoon and the like also meet the requirement of fashion people for developing personalities from different sides.

The existing schoolbag has some defects, such as: the existing schoolbag has the problems that the accommodating capacity is enlarged, the volume of the schoolbag is increased, when the number of the schoolbag is small, the volume of the schoolbag cannot be changed, the comfort level is poor, the existing schoolbag does not have manual products, along with the appearance of manual lessons and practice lessons, the schoolbag cannot meet the storage requirements of the manual products, the schoolbag is placed in the schoolbag and extruded and deformed, the completeness and the attractiveness of the manual products are affected, the existing schoolbag does not have the function of storing a school timetable, the school timetable needs to be inserted into pages or copied in books, the schoolbag is inconvenient to view, and is easy to damage and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a schoolbag with adjustable volume, through installing the gas die box, son is detained and box, can be through extrudeing the gasbag repeatedly, fill into appropriate amount gas in to the gas die box through the gas tube, make the gas die box be in full state, detain the son of gas die box simultaneously with the box joint of schoolbag, form a handmade goods and store up the box, prevent that handmade goods from arranging in the schoolbag, the extrusion deformation phenomenon appears, handmade goods's is complete and pleasing to the eye obtains guaranteeing, after the use, discharge gas by the air discharge nozzle of gas die box, make the gas die box be in the shrivelled state, be convenient for accomodate and deposit, therefore, the clothes hanger is strong in practicability, the problem of proposition in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a schoolbag with adjustable volume, includes the schoolbag, the opening has been seted up at the schoolbag middle part, the opening mid-mounting has the zip fastener, the box is all installed to schoolbag right side top and bottom, the joint has the son to detain in the box, and is two sets of the son is detained the right side and is installed the gas die box, gas die box top right side intercommunication has gas tube one end, the gasbag is installed to the gas tube end, gas die box right side bottom intercommunication has the air discharge nozzle, sealed lid is installed on the right side in the air discharge nozzle, opening b has been seted up to gas die box top.

As a preferred embodiment of the utility model, opening a has been seted up at schoolbag left side middle part, flexible bag has been sewed up in the left side that the schoolbag is close to opening a.

As a preferred embodiment of the present invention, the baffle is installed on the left side of the flexible bag.

As a preferred embodiment of the utility model, the baffle mid-mounting has transparent fender page or leaf, the transparent fender page or leaf inboard has put the school timetable.

As a preferred embodiment of the present invention, a shoulder strap is installed between the top and the bottom of the left side of the schoolbag, and a pull ring is installed on the left side of the top of the schoolbag.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a schoolbag with adjustable volume, through installing the gas die box, son is detained and the box, can be through extrudeing the gasbag repeatedly, fill into appropriate amount gas in to the gas die box through the gas tube, make the gas die box be in full state, detain the son of gas die box simultaneously with the box joint of schoolbag, form a handmade goods and store up the box, prevent that handmade goods from arranging in the schoolbag, the extrusion deformation phenomenon appears, handmade goods's is complete and pleasing to the eye obtains guaranteeing, after the use, discharge gas by the exhaust nozzle of gas die box, make the gas die box be in the shrivelled state, be convenient for accomodate and deposit, therefore, the clothes hanger is strong in practicability.

2. The utility model relates to a schoolbag with adjustable volume, through installing flexible bag and opening an, when the books that need deposit are more, can pass the less books of volume in flexible bag is arranged in to the opening an of schoolbag, make flexible bag be in the state of strutting, the student can be according to books quantity and books volume, the space is received in the storage of reasonable increase schoolbag, when this of depositing the book is less, the flexible bag of extrusion baffle during student's braces schoolbag reduces the schoolbag volume, makes the device more humanized.

3. The utility model relates to a schoolbag with adjustable volume, through installing the school timetable and the transparent fender page or leaf, with the school timetable joint in the transparent fender page or leaf inboard, the student of being convenient for sees the classroom arrangement, avoids the school timetable to be filled in disorder to put, appears the school timetable and loses or the content lacks, guarantees the complete of school timetable.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an overall side view structure of a volume-adjustable schoolbag according to the present invention;

fig. 2 is a schematic side view of a sectional structure of the volume-adjustable schoolbag of the present invention;

fig. 3 is a left side view structural diagram of a baffle of the volume-adjustable schoolbag of the present invention.

In the figure: 1. a bag; 2. shoulder straps; 3. a baffle plate; 4. a flexible bag; 5. an opening; 6. a gas mold box; 7. an inflation tube; 8. an air bag; 9. an exhaust nozzle; 10. a sealing cover; 11. a female buckle; 12. a sub-buckle; 13. a through opening a; 14. a through hole b; 15. a class schedule; 16. a transparent blocking sheet; 17. a zipper; 18. and (4) a pull ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a schoolbag with adjustable volume, includes schoolbag 1, opening 5 has been seted up at schoolbag 1 middle part, 5 mid-mounting of opening has zip fastener 17, box 11 is all installed to schoolbag 1 right side top and bottom, the joint has the son to detain 12 in the box 11, and is two sets of the son is detained 12 right side and is installed air box 6, 6 top right side intercommunication of air box has gas tube 7 one end, gasbag 8 is installed to the 7 end of gas tube, 6 right side bottom intercommunication of air box has exhaust nozzle 9, sealed lid 10 is installed on the right side in the exhaust nozzle 9, opening b14 has been seted up at 6 tops of air box.

In this embodiment (as shown in fig. 1 and 2), by installing the air mold box 6, the male buckle 12 and the female buckle 11, the air bag 8 can be repeatedly extruded, a proper amount of air is filled into the air mold box 6 through the inflation tube 7, so that the air mold box 6 is in a full state, meanwhile, the male buckle 12 of the air mold box 6 is connected with the female buckle 11 of the schoolbag 1 in a clamping manner, a manual product storage box is formed, the manual product is prevented from being placed in the schoolbag 1, the extrusion deformation phenomenon occurs, the integrity and the attractiveness of the manual product are ensured, after the use is finished, the air is discharged through the air discharge nozzle 9 of the air mold box 6, so that the air mold box 6 is in a dry-shriveled state, the storage is convenient, and the practicability is strong.

The middle part of the left side of the schoolbag 1 is provided with a through opening a13, and the left side of the schoolbag 1 close to the through opening a13 is sewed with a telescopic bag 4.

In this embodiment (as shown in fig. 2), by installing the retractable bag 4 and the opening a13, when a large number of books need to be stored, the books with small volume can be placed in the retractable bag 4 through the opening a13 of the schoolbag 1, so that the retractable bag 4 is in the open state, and students can increase the storage space of the schoolbag 1 reasonably according to the number of books and the volume of the books.

Wherein, baffle 3 is installed to flexible bag 4 left side.

In the embodiment (as shown in fig. 1), by installing the baffle 3, the baffle 3 can be contacted with the back of the human body, so that the comfort level is increased.

Wherein, the middle part of the baffle 3 is provided with a transparent baffle 16, and the inner side of the transparent baffle 16 is provided with a school timetable 15.

In this embodiment (as shown in fig. 3), the school timetable 15 and the transparent blocking page 16 are installed, and the school timetable 15 is clamped inside the transparent blocking page 16, so that students can conveniently view the arrangement of the school timetable, and the school timetable 15 is prevented from being jammed and placed randomly, and the school timetable 15 is prevented from being lost or the contents are prevented from being lost, and the completeness of the school timetable 15 is ensured.

Wherein, install shoulder strap 2 between schoolbag 1 left side top and the bottom, schoolbag 1 top left side is installed pull ring 18.

In this embodiment (as shown in fig. 1), the shoulder straps 2 and the pull rings 18 are installed, so that the schoolbag or the schoolbag 1 can be carried by the shoulder straps 2 and the pull rings 18, and the schoolbag or the schoolbag carrying device is practical and convenient.

The working principle is as follows: it should be noted that the utility model relates to a schoolbag with adjustable volume, which comprises a schoolbag 1, shoulder straps 2, a baffle 3, a flexible bag 4, an opening 5, an air mould box 6, an inflation tube 7, an air bag 8, an exhaust nozzle 9, a sealing cover 10, a female buckle 11, a male buckle 12, an opening a13, an opening b14, a school timetable 15, a transparent blocking sheet 16, a zipper 17 and a pull ring 18, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the schoolbag are all known by technical manuals or conventional test methods, when the schoolbag is used, the air mould box 6, the male buckle 12 and the female buckle 11 are arranged, the air bag 8 can be repeatedly extruded, a proper amount of air is filled into the air mould box 6 through the inflation tube 7, the air mould box 6 is in a state, the male buckle 12 of the air mould box 6 is clamped with the female buckle 11 of the schoolbag 1, the manual product storage box is formed, the manual products are prevented from being placed in the schoolbag 1 and being extruded and deformed, the completeness and the attractiveness of the manual products are guaranteed, after the manual product storage box is used, air is exhausted by the exhaust nozzle 9 of the air mould box 6, the air mould box 6 is in a shriveled state and is convenient to store and store, the practicability is strong, when a large number of books need to be stored are arranged, the books with small volume can pass through the opening a13 of the schoolbag 1 and are placed in the flexible bag 4, the flexible bag 4 is in a spread state, students can reasonably increase the storage space of the schoolbag 1 according to the number and the volume of the books, the school timetable 15 is clamped on the inner side of the transparent blocking page 16 by installing the school timetable 15 and the transparent blocking page 16, the students can conveniently watch the arrangement of the school timetable, the phenomenon that the school timetable 15 is randomly plugged and the loss or the content loss of the school timetable 15 is avoided, and the completeness of the school time, the use effect is ideal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a schoolbag with adjustable volume, includes schoolbag (1), its characterized in that: opening (5) have been seted up at schoolbag (1) middle part, opening (5) mid-mounting has zip fastener (17), box (11) are all installed to schoolbag (1) right side top and bottom, the joint has the son to detain (12) in box (11), and is two sets of gas die box (6) are installed on son knot (12) right side, gas die box (6) top right side intercommunication has gas tube (7) one end, gasbag (8) are installed to gas tube (7) end, gas die box (6) right side bottom intercommunication has air discharge nozzle (9), sealed lid (10) are installed on the right side in air discharge nozzle (9), opening b (14) have been seted up at gas die box (6) top.

2. A volume adjustable bag according to claim 1, wherein: opening a (13) have been seted up to schoolbag (1) left side middle part, flexible bag (4) have been sewed up to schoolbag (1) left side that is close to opening a (13).

3. A volume adjustable bag according to claim 2, wherein: the baffle (3) is installed on the left side of the telescopic bag (4).

4. A volume adjustable bag according to claim 3, wherein: the middle part of the baffle (3) is provided with a transparent baffle (16), and the inner side of the transparent baffle (16) is provided with a school timetable (15).

5. A volume adjustable bag according to claim 1, wherein: shoulder straps (2) are installed between the top and the bottom of the left side of the schoolbag (1), and pull rings (18) are installed on the left side of the top of the schoolbag (1).