CN110693177A

CN110693177A - Children schoolbag

Info

Publication number: CN110693177A
Application number: CN201910883805.8A
Authority: CN
Inventors: 朱梁; 彭中国; 段明旭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-01-17

Abstract

The invention relates to the field of schoolbag, in particular to a children schoolbag which comprises a schoolbag body, two shoulder strap devices, two adjusting devices, a cooling device and a buffering device, wherein the shoulder strap devices for fixing shoulder positions are fixedly installed on the right side surface of the schoolbag body, the adjusting devices for adjusting the lengths of the shoulder straps are fixedly installed inside the shoulder strap devices, and the cooling device for cooling the back is movably installed inside the schoolbag body. Through setting up the knob and adjusting the pole, rotate the knob and make second gear and first gear mesh, first gear drives first pivot and rotates and make the stretching strap that is located first pivot surface begin the rolling to reach the purpose of shrink braces, the children of being convenient for oneself adjusts at any time when carrying on the back the schoolbag, stir the regulation pole and make the stopper break away from with the meshing department of first gear, make first gear counter-rotation begin to lengthen the braces, device design benefit and easy operation have improved the device's practicality.

Description

Children schoolbag

Technical Field

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

Background

Children's schoolbag is the package that can hold books or stationery, and present schoolbag is the eight doors of five flowers more to ordinary cloth or canvas etc. make, mainly are the both shoulders, are favorable to children healthy, but current children's schoolbag still has following not enoughly:

present children's schoolbag is in order to meet children's psychology, most all only do the change in the appearance of schoolbag, print out the pattern that various children liked, and children are mostly plastics system with the schoolbag, whole back laminating monoblock plastic slab when wearing on the back, especially in the hot summer of weather, the travelling comfort is relatively poor, and child's back leads to ventilative with the schoolbag contact, the miliaria is played easily to the weather heat, child's daily length of carrying the schoolbag because the shorter inconvenient oneself of arm adjusts the braces, child has the sexuality of transferring the skin love and playing, cause child to carry on the back not to live the schoolbag or carry on the back the mode and do not lead to the fact child's vertebra to warp and receive very big injury during daily use, the result of use is unsatisfactory.

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, two shoulder straps, adjusting devices, a cooling device and a buffer device, wherein the shoulder straps for fixing shoulder positions are fixedly installed on the right side face of the schoolbag body;

the backpack comprises a backpack body, and is characterized in that the strap device comprises an upper strap, a lower strap, a bearing block, a pull strap and a limiting hole, wherein the top of the upper strap is fixedly connected with the right side surface of the backpack body, the inside of the upper strap is sleeved with the surface of the lower strap, and one end of the lower strap, which is far away from the upper strap, is fixedly connected with the left side surface of the backpack body;

adjusting device includes fixed block, first pivot, first gear, second pivot, second gear, knob, movable rod, sleeve, stopper, regulation pole, connecting plate, spring and baffle, the right flank of fixed block and the right flank fixed connection of last braces inner wall, the through-hole that is used for accomodating the stretching strap is offered to the left surface of fixed block, the front and the back of fixed block inner wall rotate with the both ends of first pivot respectively and are connected, the surface of first pivot cup joints with the inside of first gear.

Specifically, the top of braces and the lower fixed surface of bearing block are connected down, the fixed sponge piece that bonds of left surface of going up the braces inner wall, the last fixed surface of bearing block installs the stretching strap, the stretching strap is kept away from the trompil of bearing block through the fixed block left surface and is extended to the inside of rule piece and be connected with the fixed surface of first pivot, the spacing hole has been seted up to the right flank of going up the braces.

Specifically, the left end of second pivot has cup jointed the second gear, the second gear meshes with first gear mutually, the right-hand member of second pivot extends to the right flank and the fixedly connected with knob of supreme braces through the trompil of fixed block right flank, the front and the back of fixed block inner wall respectively with the both ends fixed connection of movable rod, the surface and the telescopic inside of movable rod cup joint, the stopper has been cup jointed on telescopic surface, telescopic one end and the meshing of first gear are kept away from to the stopper.

Specifically, telescopic fixed surface installs the regulation pole, the regulation pole is kept away from telescopic one end and is extended to the right flank of supreme braces through the trompil of fixed block right flank, the surface of adjusting the pole is located the inside in spacing hole, the positive fixed mounting of regulation pole has the connecting plate, the bottom surface fixed mounting of connecting plate has the spring, the one end that the connecting plate was kept away from to the spring and the right flank fixed connection of stopper, the left surface fixed mounting of fixed block inner wall has the baffle, the baffle is located the left side of stopper.

Specifically, the heat sink includes outer cotton layer, ice pad, interior cotton layer and zip fastener, the front, the back, the top and the bottom on outer cotton layer all with the inner wall fixed connection of inclusion, the front, the back and the bottom on interior cotton layer all with the inner wall fixed connection of inclusion, the ice pad is located the space that the opposite face on outer cotton layer and interior cotton layer formed, the inner wall swing joint of zip fastener and inclusion is passed through at the top on interior cotton layer.

Specifically, the buffer device comprises a contact pad and an air cushion, the specifications of the front surface and the back surface of the contact pad are both larger than those of the front surface and the back surface of the upper back strap, and the air cushion is fixedly arranged inside the contact pad.

Specifically, the specification of the limiting hole is consistent with the specification of the right side face of the adjusting rod to the front face of the inner wall of the fixing block, and a lifting handle is fixedly mounted on the upper surface of the bag body.

The invention has the beneficial effects that:

(1) according to the child schoolbag, the knob and the adjusting rod are arranged, the knob is rotated to enable the second gear to be meshed with the first gear, the first gear drives the first rotating shaft to rotate to enable the drawstring on the surface of the first rotating shaft to start rolling, so that the purpose of contracting the straps is achieved, children can adjust the schoolbag at any time conveniently when carrying the schoolbag, the adjusting rod is stirred to enable the limiting block to be separated from the meshing position with the first gear, the first gear rotates reversely to start lengthening the straps, the device is ingenious in design and simple to operate, and the practicability of the device is improved.

(2) According to the child schoolbag, the cooling device is arranged, the outer cotton layer is in contact with the back of a child when the child is carried on the back, the ice pad absorbs heat emitted by the back of the child through the outer cotton layer, the process that the ice pad absorbs the heat can last for several hours, the situation that the back of the child has miliaria due to the fact that the child is carried on the back in hot days is avoided, the zipper is unzipped from the inside of the bag body to take out the ice pad for cooling, the ice pad is used for a second time, the adaptability of the ice pad to the child is greatly improved in cooperation with the adjusting device in use in hot days, the usability of the child schoolbag is improved, when the braces are adjusted, the outer cotton pad and the back of the child move relatively, the heat absorption area of the ice pad is larger, the same part cannot absorb heat all the time, the child often runs and jumps in the walking process, and.

(3) According to the child schoolbag, the buffer device is arranged, the contact pads are made of cotton fabric, so that the contact pads are in contact with the shoulders of a child to keep the shoulders comfortable, the air cushions in the contact pads can reduce the pressure on the shoulders of the child and prevent the pressure from causing the spine of the child to be shaped, the specifications of the contact pads are larger than those of the upper braces, so that the shoulders of the child are uniformly stressed, the condition that the shoulders of the child are high or low is prevented, the stress on the shoulders of the child is greatly reduced by matching with the air cushions, and the child schoolbag is convenient for a user to.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of a child schoolbag provided by the invention;

FIG. 2 is a cross-sectional view of a harness of a child bag according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a cross-sectional view of an adjusting device of the schoolbag for children provided by the invention;

FIG. 5 is a schematic structural view of an adjusting device of a child bag according to the present invention;

FIG. 6 is a sectional view of a cooling device for a child schoolbag, according to the present invention;

fig. 7 is a sectional view of a structure of a buffering device of a child schoolbag provided by the invention.

In the figure: 1. a bag body; 11. a handle; 2. a harness device; 21. carrying a strap; 22. a lower back strap; 23. a bearing block; 24. a sponge block; 25. pulling the belt; 26. a limiting hole; 3. an adjustment device; 31. a fixed block; 32. a first rotating shaft; 321. a first gear; 33. a second rotating shaft; 331. a second gear; 332. a knob; 34. a movable rod; 35. a sleeve; 36. a limiting block; 37. adjusting a rod; 38. a connecting plate; 381. a spring; 39. a baffle plate; 4. a cooling device; 41. an outer cotton layer; 42. an ice pad; 43. an inner cotton layer; 44. a zipper; 5. a buffer device; 51. a contact pad; 52. an air cushion.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 7, the schoolbag for children of the present invention comprises a bag body 1, two shoulder straps 2, two shoulder straps 3, two shoulder straps 2, a temperature reducing device 4, a buffer device 5, an outer cotton layer 41 for contacting the back of a child when the child is carried on the back, an ice pad 42 for absorbing heat from the back of the child through the outer cotton layer 41, and a process of heat absorption by the ice pad 42 for several hours, so as to avoid a situation of miliaria caused by carrying on the back of the child in hot days, the ice pad 42 is taken out from the inside of the bag body 1 by unzipping the zipper 44 and is cooled and then is used for a second time, the adaptability of the adjusting device 3 used in hot weather to children is greatly improved, the usability of the device is improved, the cushion pad 51 is made of cotton fabric, so that the cushion pad is in contact with the shoulders of the children to keep the shoulders comfortable, the air cushion 52 in the cushion pad 51 can reduce the pressure on the shoulders of the children and prevent the pressure from causing the spine of the children to be shaped, the specification of the cushion pad 51 is larger than that of the upper back belt 21, so that the stress on the shoulders of the children is uniform, the condition that the shoulders of the children are high and low is prevented, the stress on the shoulders of the children is greatly reduced by matching with the air;

the strap device 2 comprises an upper strap 21, a lower strap 22, a bearing block 23, a pull strap 25 and a limiting hole 26, the top of the upper strap 21 is fixedly connected with the right side face of the bag body 1, the inner part of the upper strap 21 is sleeved with the surface of the lower strap 22, and one end of the lower strap 22, which is far away from the upper strap 21, is fixedly connected with the left side face of the bag body 1;

the adjusting device 3 comprises a fixed block 31, a first rotating shaft 32, a first gear 321, a second rotating shaft 33, a second gear 331, a knob 332, a movable rod 34, a sleeve 35, a limiting block 36, an adjusting rod 37, a connecting plate 38, a spring 381 and a baffle 39, wherein the right side surface of the fixed block 31 is fixedly connected with the right side surface of the inner wall of the upper back belt 21, a through hole for accommodating the drawstring 25 is formed in the left side surface of the fixed block 31, the front surface and the back surface of the inner wall of the fixed block 31 are respectively rotatably connected with two ends of the first rotating shaft 32, the surface of the first rotating shaft 32 is sleeved with the inside of the first gear 321, the knob 332 and the adjusting rod 37 are arranged, the knob 332 is rotated to enable the second gear 331 to be meshed with the first gear 321, the first gear 321 drives the first rotating shaft 32 to rotate to enable the drawstring 25 on the surface of the first rotating, the child can adjust himself at any time when carrying the schoolbag conveniently, the adjusting rod 37 is shifted to enable the limiting block 36 to be separated from the meshing position with the first gear 321, the first gear 321 rotates reversely to stretch the straps, the device is ingenious in design and simple to operate, and the practicability of the device is improved.

Specifically, the top of the lower back strap 22 is fixedly connected with the lower surface of the bearing block 23, the left side surface of the inner wall of the upper back strap 21 is fixedly bonded with a sponge block 24, the upper surface of the bearing block 23 is fixedly provided with a drawstring 25, the drawstring 25 is far away from the bearing block 23 and extends into a specified block through an opening on the left side surface of the fixing block 31 and is fixedly connected with the surface of the first rotating shaft 32, the right side surface of the upper back strap 21 is provided with a limit hole 26, the drawstring 25 is pulled through the first rotating shaft 32 to drive the bearing block 23 to ascend, the bearing block 23 drives the lower back strap 22 to extend and retract inside the upper back strap 21, the appearance of the back strap is ensured not to be affected under the condition that the device has an adjusting function, the sponge block 24 inside the upper back strap 21 prevents the adjusting device 3 from pressing the shoulder of the child when the child is carried on the back, the use of the user is convenient.

Specifically, the left end of the second rotating shaft 33 is sleeved with a second gear 331, the second gear 331 is engaged with the first gear 321, the right end of the second rotating shaft 33 extends to the right side of the upper back strap 21 through an opening on the right side of the fixed block 31 and is fixedly connected with a knob 332, the front and the back of the inner wall of the fixed block 31 are fixedly connected with two ends of the movable rod 34 respectively, the surface of the movable rod 34 is sleeved with the inside of the sleeve 35, the surface of the sleeve 35 is sleeved with a limit block 36, one end of the limit block 36, which is far away from the sleeve 35, is engaged with the first gear 321, if the back strap needs to be adjusted, the knob 332 drives the second rotating shaft 33 to rotate by rotating the knob 332, so that the second gear 331 is engaged with the first gear 321, the first gear 321 drives the first rotating shaft 32 to rotate so that the pull strap 25, which is located on the surface of the first rotating shaft 32, the first gear 321 drives the limit block 36 to generate angular deflection when the pull, thereby reach the mesh of shrink braces, the device design benefit and easy operation, the self adjustment at any time when being convenient for children carrying the schoolbag, improved the device's practicality.

Specifically, an adjusting rod 37 is fixedly mounted on the surface of the sleeve 35, one end of the adjusting rod 37, which is far away from the sleeve 35, extends to the right side surface of the upper back strap 21 through an opening on the right side surface of the fixing block 31, the surface of the adjusting rod 37 is located inside the limiting hole 26, a connecting plate 38 is fixedly mounted on the front surface of the adjusting rod 37, a spring 381 is fixedly mounted on the bottom surface of the connecting plate 38, one end of the spring 381, which is far away from the connecting plate 38, is fixedly connected with the right side surface of the limiting block 36, a baffle 39 is fixedly mounted on the left side surface of the inner wall of the fixing block 31, the baffle 39 is located on the left side of the limiting block 36, the adjusted first gear 321 is stressed to naturally rotate reversely, so that the first gear 321 is reversely engaged with the limiting block 36, the limiting block 36 is blocked by, the adjusting rod 37 is shifted to make the limiting block 36 separate from the meshing position with the first gear 321, so that the first gear 321 rotates reversely to begin to elongate the braces, the purpose of freely adjusting the length of the braces is achieved, and convenience is brought to children.

Specifically, the cooling device 4 comprises an outer cotton layer 41, an ice pad 42, an inner cotton layer 43 and a zipper 44, the front, the back, the top and the bottom of the outer cotton layer 41 are fixedly connected with the inner wall of the bag body 1, the front, the back and the bottom of the inner cotton layer 43 are fixedly connected with the inner wall of the bag body 1, the ice mat 42 is positioned in a space formed by the opposite surfaces of the outer cotton layer 41 and the inner cotton layer 43, the top of the inner cotton layer 43 is movably connected with the inner wall of the bag body 1 through the zipper 44, the outer cotton layer 41 contacts the back of the child when the child is carried on the back, the ice mat 42 absorbs the heat emitted from the back of the child through the outer cotton layer 41, the process of absorbing the heat by the ice mat 42 can last for hours, the zipper 44 is unzipped from the inside of the bag body 1, the ice pad 42 is taken out and cooled and then is left for secondary use, the situation that the child backs to generate miliaria in hot days is avoided, and the usability of the device is greatly increased.

Specifically, the buffer device 5 includes a contact pad 51 and an air cushion 52, the specifications of the front and the back of the contact pad 51 are both greater than the specifications of the front and the back of the upper back band 21, the air cushion 52 is fixedly installed inside the contact pad 51, the contact pad 51 is made of cotton fabric, so that the contact with the shoulder of the child can keep the shoulder comfortable, the air cushion 52 inside the contact pad 51 can reduce the pressure on the shoulder of the child, prevent the pressure from shaping the spine of the child, and the specification of the contact pad 51 is greater than the specification of the upper back band 21, so that the stress on the shoulder of the child is uniform, the condition that the shoulder of the child is high or low is prevented, and the stress.

Specifically, the specification of the limiting hole 26 is consistent with the specification of the right side face of the adjusting rod 37 to the front face of the inner wall of the fixing block 31, the handle 11 is fixedly mounted on the upper surface of the bag body 1, the limiting hole 26 limits the distance of the adjusting rod 37 moving on the surface of the movable rod 34, the adjusting rod 37 is shifted towards the front side to enable the limiting block 36 to be separated from the first gear 321, the first gear 321 starts to rotate reversely, the adjusting rod 37 is shifted towards the back side opposite to the back side to enable the limiting block 36 to return to the initial position to be meshed with the first gear 321, the first gear 321 can only be used for rolling the pull belt 25, the handle 11 is convenient for a user to carry the device with hands.

When the device is used, the device is carried on the back of a child through the upper back belt 21 and the lower back belt 22, if the back belt needs to be adjusted, the knob 332 is rotated to drive the second rotating shaft 33 to rotate, so that the second gear 331 is meshed with the first gear 321, the first gear 321 drives the first rotating shaft 32 to rotate, the drawstring 25 on the surface of the first rotating shaft 32 starts to be rolled, the first gear 321 drives the limiting block 36 to deflect at an angle when the drawstring 25 is received by the first rotating shaft 32, the spring 381 enables the limiting block 36 to automatically rebound to the initial position after being meshed with the first gear 321 each time, thereby achieving the purpose of retracting the back belt, the adjusted first gear 321 is naturally reversely rotated under stress, so that the first gear 321 reversely meshes with the limiting block 36, the limiting block 36 is blocked by the limit plate 39, and the reverse rotation of the first gear 321 cannot be realized, if the back belt needs to be lengthened, poking the adjusting rod 37 to make the limiting block 36 separate from the meshing position with the first gear 321, making the first gear 321 rotate reversely to begin to elongate the braces, thereby achieving the purpose of freely adjusting the length of the braces, the limiting hole 26 limits the moving distance of the adjusting rod 37 on the surface of the movable rod 34, poking the adjusting rod 37 forward to make the limiting block 36 separate from the first gear 321, making the first gear 321 start to reverse, poking the adjusting rod 37 back to make the limiting block 36 return to the initial position to mesh with the first gear 321, making the first gear 321 only take up the drawstring 25, the outer cotton layer 41 contacts the back of the child when the child is back, the process that the ice cushion 42 absorbs heat can last hours, unzipping the zipper 44 from the inside of the bag body 1 to take out the ice cushion 42 to cool and then leave for secondary use, and completing the operation of the device through the above.

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), braces device (2), adjusting device (3), heat sink (4) and buffer (5), its characterized in that: the backpack comprises a backpack body (1), and is characterized in that shoulder straps (2) for fixing shoulder positions are fixedly mounted on the right side surface of the backpack body (1), the number of the shoulder straps (2) is two, an adjusting device (3) for adjusting the length of each shoulder strap is fixedly mounted in each shoulder strap (2), a cooling device (4) for cooling the back is movably mounted in each backpack body (1), and a buffer device (5) for reducing the pressure of the shoulder is fixedly mounted on the left side surface of each shoulder strap (2);

the backpack comprises a backpack body (1), and is characterized in that the suspender device (2) comprises an upper suspender (21), a lower suspender (22), a bearing block (23), a drawstring (25) and a limiting hole (26), wherein the top of the upper suspender (21) is fixedly connected with the right side surface of the backpack body (1), the inside of the upper suspender (21) is sleeved with the surface of the lower suspender (22), and one end of the lower suspender (22), which is far away from the upper suspender (21), is fixedly connected with the left side surface of the backpack body (1);

adjusting device (3) include fixed block (31), first pivot (32), first gear (321), second pivot (33), second gear (331), knob (332), movable rod (34), sleeve (35), stopper (36), regulation pole (37), connecting plate (38), spring (381) and baffle (39), the right flank of fixed block (31) and the right flank fixed connection of last braces (21) inner wall, the through-hole that is used for accomodating stretching strap (25) is seted up to the left surface of fixed block (31), the front and the back of fixed block (31) inner wall rotate with the both ends of first pivot (32) respectively and are connected, the surface of first pivot (32) cup joints with the inside of first gear (321).

2. A child bag according to claim 1, wherein: the top of lower braces (22) and the lower fixed surface of bearing block (23) are connected, the fixed sponge piece (24) that bonds of left surface of going up braces (21) inner wall, the last fixed surface of bearing block (23) installs stretching strap (25), stretching strap (25) keep away from bearing block (23) the trompil through fixed block (31) left surface extend to the inside of rule piece and with the fixed surface of first pivot (32) be connected, spacing hole (26) have been seted up to the right flank of going up braces (21).

3. A child bag according to claim 1, wherein: the left end of second pivot (33) has cup jointed second gear (331), second gear (331) meshes with first gear (321) mutually, the right-hand member of second pivot (33) passes through the trompil of fixed block (31) right flank and extends to the right flank and fixedly connected with knob (332) of last braces (21), the front and the back of fixed block (31) inner wall respectively with the both ends fixed connection of movable rod (34), the surface of movable rod (34) cup joints with the inside of sleeve (35), stopper (36) have been cup jointed on the surface of sleeve (35), the one end that sleeve (35) were kept away from in stopper (36) meshes with first gear (321) mutually.

4. A child bag according to claim 1, wherein: the fixed surface of sleeve (35) installs and adjusts pole (37), adjust pole (37) and keep away from the one end of sleeve (35) and extend to the right flank of supreme braces (21) through the trompil of fixed block (31) right flank, the surface of adjusting pole (37) is located the inside of spacing hole (26), the front fixed mounting of adjusting pole (37) has connecting plate (38), the bottom surface fixed mounting of connecting plate (38) has spring (381), the right flank fixed connection of the one end of connecting plate (38) and stopper (36) is kept away from in spring (381), the left flank fixed mounting of fixed block (31) inner wall has baffle (39), baffle (39) are located the left side of stopper (36).

5. A child bag according to claim 1, wherein: the cooling device (4) comprises an outer cotton layer (41), an ice pad (42), an inner cotton layer (43) and a zipper (44), wherein the front surface, the back surface, the top and the bottom of the outer cotton layer (41) are fixedly connected with the inner wall of the bag body (1), the front surface, the back surface and the bottom of the inner cotton layer (43) are fixedly connected with the inner wall of the bag body (1), the ice pad (42) is positioned in a space formed by the opposite surfaces of the outer cotton layer (41) and the inner cotton layer (43), and the top of the inner cotton layer (43) is movably connected with the inner wall of the bag body (1) through the zipper (44).

6. A child bag according to claim 1, wherein: the buffer device (5) comprises a contact pad (51) and an air cushion (52), the specifications of the front surface and the back surface of the contact pad (51) are both larger than those of the front surface and the back surface of the upper back belt (21), and the air cushion (52) is fixedly installed inside the contact pad (51).

7. A child bag according to claim 1, wherein: the specification of the limiting hole (26) is consistent with the specification of the right side surface of the adjusting rod (37) to the front surface of the inner wall of the fixing block (31), and a lifting handle (11) is fixedly arranged on the upper surface of the bag body (1).