CN111213998A

CN111213998A - Children schoolbag

Info

Publication number: CN111213998A
Application number: CN202010144820.3A
Authority: CN
Inventors: 陈宗涛; 杨柳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-06-02

Abstract

The invention relates to the field of schoolbag, in particular to a schoolbag for children, which comprises a schoolbag body, a taking mechanism, an expanding mechanism, a fixing ring, a magic tape, a piece of lengthening cloth, a rotating shaft, a fixing block, a pressure spring, a limiting ring, a sliding rod, a clamping ring, a fixing tooth, a walking mechanism, an auxiliary mechanism, an inlet and a side bag. The invention pulls the limiting ring to realize the contraction of the pressure spring, further the sliding rod is contracted into the fixed block, further the separation of the limiting ring and the clamping ring is realized, the fixed block is rotated anticlockwise, the lengthened cloth on the surface of the rotating shaft slowly falls off, the length of the lengthened cloth is adjusted according to the length of the book, the rotation of the fixed block is stopped when the top of the book is flush with the top of the side bag, the sliding rod slides out of the inside of the fixed block by loosening the limiting ring, so that the clamping of the limiting ring and the fixed teeth on the opposite side wall of the clamping ring is realized, the rotating shaft is fixed, the magic tape is adhered to the side surface of the lengthened cloth, the book leakage is avoided, the space of the schoolbag is enlarged, the larger book is stored.

Description

Children schoolbag

Technical Field

The invention relates to the field of schoolbag, in particular to a schoolbag for children.

Background

The schoolbag refers to a bag made of cloth, leather and the like. The student is used for carrying textbooks and stationery. According to the change of the aesthetic taste of consumers, the schoolbag develops a schoolbag-case which can reduce the burden of students. The material of case and bag is more diversified. Leather, PU, terylene, canvas, cotton-flax and other bags are main materials of the schoolbag, the backpack schoolbag is a general name of the schoolbag which is back-to-back on both shoulders, the most obvious characteristic of the schoolbag is that the back surface is provided with two belts used for being buckled on the shoulders, and the schoolbag is widely applied to kindergartens and primary schools generally.

However, the internal space of the current schoolbag for children is certain, and the space is difficult to expand on the manufactured schoolbag body, if the children meet with books with larger volume during learning, the books need to be folded or extruded together to be put into the schoolbag, and if important data are put into the schoolbag, wrinkles are caused, and the flatness of the books and the data is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a child schoolbag.

The technical scheme adopted by the invention for solving the technical problems is as follows: a children schoolbag comprises a schoolbag body and a taking mechanism arranged on the side wall of the schoolbag body, wherein an auxiliary mechanism is sewed on the side wall of the schoolbag body, which deviates from one end of the taking mechanism, the auxiliary mechanism comprises an inlet and a side bag, the side bag is sewed on the side wall of the schoolbag body, the inlet is arranged at the top and the bottom of the side bag, an expanding mechanism is arranged in the side bag, the expanding mechanism comprises a fixing ring, a magic tape, lengthened cloth, a rotating shaft, a fixing block, a pressure spring, a limiting ring, a sliding rod, a clamping ring and a fixing tooth, the fixing ring and the clamping ring are relatively and fixedly connected with two side faces of the side bag, one end of the rotating shaft, which has a T-shaped structure in cross section, penetrates through the fixing ring and extends to the inside of the clamping ring, the lengthened cloth is fixed on the surface of the rotating shaft, and the other end of the lengthened cloth is fixed on the side, lie in rand one end the tip welding of pivot has the fixed block, install relatively in the inside of fixed block the pressure spring, two the slide bar slide in the one end of fixed block with respectively with two the pressure spring is contradicted, lie in the fixed block with between the rand the sliding surface of pivot is connected with the spacing collar, the spacing collar with the relative lateral wall of rand all welds and is the distribution of annular array fixed tooth, the lateral wall of side package install with the side bonding of lengthening cloth the magic is pasted, the bottom of inclusion is fixed with running gear.

Preferably, in order to seal the side pack, the auxiliary mechanism further includes a cover and an adhesive tape, the cover is sewn to a side wall of the pack body, and the adhesive tape adhered to the side pack is sewn to a side wall of the cover.

Preferably, in order to increase the winding amount of the lengthened cloth, the cross section of the side pack located on the side wall of the rotating shaft is of a semicircular structure, and the rotating shaft is located at one half of the height of the side pack.

Preferably, in order to realize the taking of the whole structure, the taking mechanism comprises a strap, a pull rod and a zipper, the pull rod is arranged inside the bag body, the pull rod extends to the top of the bag body, the zipper is arranged at the top of the bag body, and the strap is oppositely arranged on the side wall of the bag body deviating from the side bag.

Preferably, in order to realize the walking of the whole structure, the walking mechanism comprises a fixing plate, wheels and a base, the bottom of the bag body is fixed on the surface of the fixing plate with an opening on the side wall, the wheels are oppositely installed at the bottom of the fixing plate, the base with the bottom surface flush with the wheels is oppositely installed at the bottom of the fixing plate, in order to realize the storage of the protection plate when the protection plate is not used, the walking mechanism further comprises clamping columns, protection plates and extrusion springs, the protection plate with an opening on the side surface is slidably connected inside the fixing plate, the clamping columns with two cross sections in a dry-shaped structure relatively slide on the side surface of the fixing plate, the two clamping columns are clamped in the holes on the side surface of the protection plate, the extrusion springs positioned inside the fixing plate are wound on the surfaces of the two clamping columns, and the protection plate is popped up conveniently, running gear still includes the spring, the internally mounted of fixed plate have with the guard plate is contradicted the spring.

The invention has the beneficial effects that:

(1) the invention provides a children schoolbag, wherein a limiting ring is pulled to realize the contraction of a pressure spring, a further sliding rod is contracted into a fixing block, so that the separation of the limiting ring and a clamping ring is realized, the counterclockwise rotation of the fixing block is further realized, the lengthened cloth positioned on the surface of a rotating shaft slowly falls off, the length of the lengthened cloth can be conveniently adjusted according to the length of a book, and the children schoolbag is convenient to use.

(2) The invention provides a children schoolbag, which is characterized in that after a book is placed in a side bag and is abutted against lengthened cloth, the rotation of a fixing block is stopped when the top of the book is flush with the top of the side bag, a limiting ring is loosened to realize that a pressure spring slides out of the inside of the fixing block, so that the limiting ring is clamped with fixing teeth on the opposite side wall of a clamping ring, a rotating shaft is fixed, a magic tape is adhered to the side surface of the lengthened cloth, the book is prevented from leaking outside, the space of the schoolbag can be expanded, a large book is contained, and the flatness of book data is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the bag body, the expansion mechanism, the traveling mechanism and the auxiliary mechanism shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the side bag and the expanding mechanism shown in FIG. 2;

FIG. 4 is an enlarged view of the part A shown in FIG. 3;

fig. 5 is a schematic view of the traveling mechanism shown in fig. 2.

In the figure: 1. the bag comprises a bag body, 2, a taking mechanism, 21, a strap, 22, a pull rod, 23, a zipper, 3, an expansion mechanism, 31, a fixing ring, 32, a magic tape, 33, lengthening cloth, 34, a rotating shaft, 35, a fixing block, 36, a pressure spring, 37, a limiting ring, 38, a sliding rod, 39, a clamping ring, 39a, fixing teeth, 4, a walking mechanism, 41, a fixing plate, 42, a clamping column, 43, wheels, 44, a base, 45, a spring, 46, a protection plate, 47, an extrusion spring, 5, an auxiliary mechanism, 51, an inlet, 52, a cover, 53, a sticky tape, 54 and a side bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a children schoolbag comprises a bag body 1 and a taking mechanism 2 installed on the side wall of the bag body 1, wherein an auxiliary mechanism 5 is sewed on the side wall of the bag body 1, which is away from one end of the taking mechanism 2, the auxiliary mechanism 5 comprises an inlet 51 and a side bag 54, the side bag 54 is sewed on the side wall of the bag body 1, the inlet 51 is opened on the top and the bottom of the side bag 54, an expanding mechanism 3 is installed inside the side bag 54, the expanding mechanism 3 comprises a fixing ring 31, a magic tape 32, an expanding cloth 33, a rotating shaft 34, a fixing block 35, a pressure spring 36, a limiting ring 37, a sliding rod 38, a clamping ring 39 and a fixing tooth 39a, the fixing ring 31 and the clamping ring 39 are relatively and fixedly connected to two side surfaces of the side bag 54, the rotating shaft 34 with a T-shaped cross section extends to the inside of the clamping ring 39 through one end of the fixing ring 31, the surface of the rotating shaft 34 positioned inside the side bag 54 is fixed with the lengthening cloth 33, the other end of the lengthening cloth 33 is fixed on the side wall of the bag body 1, the end part of the rotating shaft 34 positioned at one end of the clamping ring 39 is welded with the fixing block 35, the pressure springs 36 are oppositely installed inside the fixing block 35, the two sliding rods 38 slide on one end of the fixing block 35 and are respectively abutted against the two pressure springs 36, the surface of the rotating shaft 34 positioned between the fixing block 35 and the clamping ring 39 is connected with the limiting ring 37 in a sliding manner, the limiting ring 37 and the opposite side wall of the clamping ring 39 are welded with the fixing teeth 39a distributed in an annular array manner, the magic tapes 32 bonded with the side surface of the lengthening cloth are installed on the side wall of the side bag 54, and the bottom of the bag body 1 is fixed with a traveling mechanism 4.

As a technical optimization scheme of the invention, the auxiliary mechanism 5 further comprises a cover 52 and an adhesive tape 53, the cover 52 is sewn on the side wall of the bag body 1, the adhesive tape 53 adhered to the side bag 54 is sewn on the side wall of the cover 52, and the side bag 54 is sealed by the adhesive tape 53 when in use.

As a technical optimization scheme of the present invention, the cross section of the side pack 54 located on the side wall of the rotating shaft 34 is a semicircular structure, and the rotating shaft 34 is located at a half of the height of the side pack 54, in order to increase the winding amount of the elongated cloth 33.

As a technical optimization scheme of the invention, the taking mechanism 2 comprises straps 21, a pull rod 22 and a zipper 23, the pull rod 22 is installed inside the bag body 1, the pull rod 22 extends to the top of the bag body 1, the zipper 23 is installed on the top of the bag body 1, and the straps 21 are installed on the side wall of the bag body 1 opposite to the side bag 54, so that the tidiness of internal files can be ensured, and internal data can be conveniently taken.

As a technical optimization scheme of the invention, the traveling mechanism 4 comprises a fixed plate 41, wheels 43 and a base 44, the bottom of the bag body 1 is fixed on the surface of the fixed plate 41 with an opening on the side wall, the wheels 43 are oppositely installed at the bottom of the fixed plate 41, the base 44 with the bottom surface flush with the wheels 43 is oppositely installed at the bottom of the fixed plate 41, the traveling mechanism 4 further comprises a clamping column 42, a protection plate 46 and a pressing spring 47, the protection plate 46 with an opening on the side surface is slidably connected inside the fixed plate 41, the two clamping columns 42 with the cross sections in a dry-shaped structure relatively slide on the side surface of the fixed plate 41, the two clamping columns 42 are clamped in the hole on the side surface of the protection plate 46, the pressing spring 47 in the fixed plate 41 is wound on the surface of the two clamping columns 42, the traveling mechanism 4 further comprises a spring 45, the internally mounted of fixed plate 41 have with protection plate 46 contradicts spring 45, protection plate 46 can pop out when the convenience is used, plays good guard action, and is further, when not using, can accomodate.

When the bag is used, firstly, when a child uses the bag body 1, the child can pull the zipper 23 to open the top of the bag body 1, then books can be put into the bag body 1, the zipper 23 is closed, the child can hold the bag body 1 by the shoulder matching straps 21, the bag body 1 can be taken, and further the child can also select to pull the pull rod 22 to match the wheels 43 to move the bag body 1; if the book or data with a large volume is received by a child in a school, when the bag body 1 cannot put the book or data paper in order into the bag body 1, the cover 52 is pulled to separate the adhesive tape 53 from the side bag 54, the book is further inserted into the side bag 54 from the opening at the top of the side bag 54, the length of the lengthening cloth 33 is adjusted according to the length of the book, the length of the side bag 54 is increased through the lengthening cloth 33, the limiting ring 37 is pulled to contract the compression spring 36 when the length of the lengthening cloth 33 is adjusted, the sliding rod 38 is further contracted into the fixed block 35 to further separate the limiting ring 37 from the collar 39, further counterclockwise rotation of the fixed block 35 is realized to realize counterclockwise rotation of the rotating shaft 34, the lengthening cloth 33 on the surface of the rotating shaft 34 slowly drops down, the length of the lengthening cloth 33 is adjusted according to the length of the book, after the book is put into the side bag 54 and abuts against the lengthening cloth 33, stop the rotation of fixed block 35 when the top of books and the side package 54 top parallel and level, loosen spacing collar 37 and realized that the pressure spring is with slide bar 38 from the inside roll-off of fixed block 35, realized spacing collar 37 and the fixed tooth 39a block of the relative lateral wall of rand 39 so, realized that pivot 34 is fixed, adhere magic subsides 32 to the side of lengthening cloth 33, avoid books to leak outward, can enlarge the space of schoolbag, accomodate great books, guarantee the roughness of books data, after taking out books, loosen magic subsides 32, pulling spacing collar 37, anticlockwise rotation fixed block 35 accomplishes the shrink of lengthening cloth 33.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a children's schoolbag, includes inclusion (1) and installs take mechanism (2) of inclusion (1) lateral wall, its characterized in that: deviating from take mechanism (2) one end the lateral wall of inclusion (1) has sewed up complementary unit (5), complementary unit (5) are including import (51) and side package (54), the lateral wall of inclusion (1) has sewed up side package (54), import (51) have been seted up to the top, the bottom of side package (54), the internally mounted of side package (54) has expanding mechanism (3), expanding mechanism (3) are including solid fixed ring (31), magic subsides (32), extra long cloth (33), pivot (34), fixed block (35), pressure spring (36), spacing collar (37), slide bar (38), rand (39) and fixed tooth (39a), two side relatively fixed connection of side package (54) have gu fixed ring (31) with rand (39), the cross-section is "T" shape structure the pivot (34) run through the one end of gu fixed ring (31) extend to the inside of rand (39), the surface of the rotating shaft (34) is fixed with the lengthened cloth (33) and the other end of the lengthened cloth (33) is fixed on the side wall of the bag body (1), the end part of the rotating shaft (34) at one end of the clamping ring (39) is welded with the fixing block (35), the pressure spring (36) is oppositely arranged inside the fixing block (35), two sliding rods (38) slide on one end of the fixing block (35) and are respectively abutted to the two pressure springs (36), the surface of the rotating shaft (34) between the fixing block (35) and the clamping ring (39) is connected with the limiting ring (37) in a sliding manner, the fixing teeth (39a) distributed in an annular array manner are welded on the opposite side walls of the clamping ring (39), and the magic tape (32) bonded with the side surface of the lengthened cloth is installed on the side wall of the side bag (54), a traveling mechanism (4) is fixed at the bottom of the bag body (1).

2. A child bag according to claim 1, wherein: the auxiliary mechanism (5) further comprises a cover (52) and an adhesive tape (53), the cover (52) is sewn on the side wall of the bag body (1), and the adhesive tape (53) which is bonded with the side bag (54) is sewn on the side wall of the cover (52).

3. A child bag according to claim 1, wherein: the cross section of the side bag (54) positioned on the side wall of the rotating shaft (34) is in a semicircular structure, and the rotating shaft (34) is positioned at one half of the height of the side bag (54).

4. A child bag according to claim 1, wherein: the taking mechanism (2) comprises a strap (21), a pull rod (22) and a zipper (23), the pull rod (22) is installed inside the bag body (1), the pull rod (22) extends to the top of the bag body (1), the zipper (23) is installed at the top of the bag body (1), and the strap (21) is installed on the side wall, deviating from the side bag (54), of the bag body (1) relatively.

5. A child bag according to claim 1, wherein: the travelling mechanism (4) comprises a fixed plate (41), wheels (43) and a base (44), the bottom of the bag body (1) is fixed on the surface of the fixed plate (41) with an opening on the side wall, the wheels (43) are oppositely arranged at the bottom of the fixed plate (41), and the base (44) with the bottom surface being flush with the wheels (43) is oppositely arranged at the bottom of the fixed plate (41); the traveling mechanism (4) further comprises clamping columns (42), protection plates (46) and extrusion springs (47), the protection plates (46) with holes on the side surfaces are connected inside the fixing plate (41) in a sliding mode, the clamping columns (42) with the cross sections in a dry-shaped structure slide on the side surfaces of the fixing plate (41) relatively, the two clamping columns (42) are clamped in the holes on the side surfaces of the protection plates (46), and the extrusion springs (47) located inside the fixing plate (41) are wound on the surfaces of the two clamping columns (42); running gear (4) still include spring (45), the internally mounted of fixed plate (41) have with guard plate (46) are contradicted spring (45).