CN112315174A

CN112315174A - Schoolbag with self-rescue function

Info

Publication number: CN112315174A
Application number: CN202011159682.2A
Authority: CN
Inventors: 陈诗嘉
Original assignee: Hangzhou Jiayu Information Technology Co ltd
Current assignee: Hangzhou Jiayu Information Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-05

Abstract

The invention discloses a schoolbag with a self-rescue function, which comprises a schoolbag body, schoolbag straps, a cover plate and fixing buckles, wherein the schoolbag straps are arranged on the schoolbag body; the schoolbag body comprises a shell, a first cavity arranged in the shell, an expansion bag arranged on the shell, a first block arranged on the inner wall of the first cavity, a first ventilation flow passage arranged in the first block, a one-way valve arranged in the first ventilation flow passage, a first air bag arranged on the cover plate, a first containing block used for containing the first air bag, a first air release valve arranged on the first air bag, a sealing structure used for sealing a gap between the cover plate and the shell, a second protection component arranged on the cover plate and a fixing component arranged in the first cavity; according to the invention, through the arrangement of the first air bag, the first air bag pops out to protect the most important neck part of a human body, so that the safety of students is effectively improved, and meanwhile, the arrangement weight of the structure is lighter, so that the phenomenon of hunchback of children caused by overweight of the schoolbag is effectively reduced.

Description

Schoolbag with self-rescue function

Technical Field

The invention belongs to the technical field of teaching supplies, and particularly relates to a schoolbag with a self-rescue function.

Background

The safety of students is a topic of people's heat meeting whenever, so the schoolbag commonly used in Japan has the functions of collision prevention and drowning prevention for protecting the life safety of children, but in experiments, it is not difficult to find that when a vehicle impacts a dummy for testing, the neck of the dummy is rapidly inclined backwards, the action greatly increases the danger, on one hand, the neck of the student can be greatly damaged by violent steering, and the whole person completely loses the judgment capability of the objects before by unconsciously lifting the head, so that the schoolbag can not be completely dodged in the process of forward tilting, thereby colliding other objects to cause secondary injury, meanwhile, the schoolbag can not have certain protection against the front impact, the student can be greatly and directly impacted on the ground due to the inertia of the head of the front impact, thereby causing great injury, the schoolbag with the danger avoiding function also exists on the market, but once the danger avoiding function is greatly increased on the weight of the schoolbag, the body of the child is relatively weak, if the child is carried with the excessively heavy schoolbag, the risk avoiding capability of the student is greatly influenced, and on the other hand, the excessively heavy schoolbag greatly influences the development of the spine of the child.

Disclosure of Invention

The invention provides a schoolbag with a self-rescue function, which is strong in protection capability and light in weight in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a schoolbag with a self-rescue function comprises a schoolbag body, schoolbag straps arranged on the schoolbag body, a cover plate for sealing the schoolbag and a fixing buckle for fixing the cover plate; the schoolbag body comprises a shell, a first cavity arranged in the shell, an expansion bag arranged on the shell, a first block arranged on the inner wall of the first cavity, a first ventilation flow passage arranged in the first block, a one-way valve arranged in the first ventilation flow passage, a first air bag arranged on the cover plate, a first containing block used for containing the first air bag, a first air release valve arranged on the first air bag, a sealing structure used for sealing a gap between the cover plate and the shell, a second protection component arranged on the cover plate and a fixing component arranged in the first cavity; when a child is impacted from the back, the impact force extrudes the shell of the schoolbag, so that the shell deforms, the inner space of the deformed schoolbag is rapidly reduced, the inner air pressure is increased, the air flow continuously passes through the first ventilation flow passage and enters the first air bag, so that the first air bag is inflated, the first air bag is ejected out of the first accommodating block after being inflated, the neck of the student is protected, the possibility that the neck of the student is twisted and even hurts the cervical vertebra due to the rapid upward bending of the neck after the collision is avoided, the sight line of the student can be kept in the front, so that a certain reaction capacity can be generated under the condition of slight collision, the front obstacle is avoided, the secondary injury is avoided, the first air bag is arranged, the first air bag is ejected out, the most important neck part of a human body is protected, the safety of the student is effectively improved, on the other hand, when the child openly receives the striking, the schoolbag falls to the ground with priority, thereby ground will extrude the schoolbag and aerify first gasbag, the back head spoon strikes the possibility on ground when effectively having avoided children's back to fall to the ground, has effectively guaranteed children's safety, and the weight that sets up of this structure is lighter simultaneously, need not to install a large amount of metal parts, so holistic schoolbag weight is lighter, has reduced student's burden, has effectively reduced because the phenomenon of the children hunchback that the schoolbag overweight leads to takes place.

The sealing structure comprises a soft block arranged on the expansion belt, a second cavity arranged in the soft block, a bump arranged on the side wall of the first cavity, a third cavity arranged in the bump, a first deformation film arranged at the top of the bump, a sealing block arranged in the first cavity, a fourth cavity arranged in the sealing block, a second deformation film arranged above the fourth cavity, a second vent channel used for communicating the second cavity with the third cavity, a second one-way valve arranged in the second vent channel, a second vent valve arranged on the second deformation film, an auxiliary sealing structure arranged on the cover plate and a water falling protection structure arranged in the second cavity; the third cavity is communicated with the fourth cavity; when striking student's a moment, soft piece will receive the impact more preferentially, soft piece will extrude afterwards, thereby the air in the soft piece will get into the fourth cavity in third cavity and the closed block through the second air channel, thereby make first deformation membrane and second deformation membrane receive the extrusion inflation and seal the space that exists between shell and the cover plate thereby make the inside high encapsulated situation that is in of first cavity, thereby make the loss of inside air reduce when first cavity receives the extrusion, the speed of increase inside atmospheric pressure accelerates, thereby more fast more abundant be full of first gasbag, thereby make first gasbag more real stable protective effect more good.

The auxiliary sealing structure comprises a first soft tooth arranged on the soft block, a second soft tooth arranged on the expansion bag and arranged in the cover plate, and a third soft tooth arranged below the cover plate; when the child seat is impacted, the third soft teeth are attached to the second soft teeth or the first soft teeth, the directions of the third soft teeth are different from those of the unidirectional teeth arranged on the second soft teeth and the first soft teeth, so that the upward lifting force of the cover plate when the child seat is impacted can be neutralized, the condition that the child seat is injured due to untimely opening and insufficient opening amount and even incapability of opening of the first air bag due to the fact that the cover plate is driven to move upwards by impact force at the moment of impact is effectively avoided, the cover plate is lifted upwards to cause the escape of air in the first cavity, air in the first air bag is not supplied, when the child seat is impacted, the friction force of clamping connection between the soft teeth is further increased due to the extrusion of the impact on the soft teeth, the damage to the buckle when the impact is effectively resisted, the stability of the buckle is ensured, and the reliability is effectively increased, effectively ensuring the safety of students.

The water falling protection structure comprises a second block body arranged in the second cavity, a first sliding cavity arranged in the second block body, a sliding block arranged in the first sliding cavity, a first elastic piece arranged in the first sliding cavity and used for resetting the sliding block, an expansion bag arranged in the first sliding cavity, a drying chamber arranged below the second sliding cavity, a drying agent arranged in the drying chamber, a through hole used for communicating the first sliding cavity with the drying chamber, and a water inlet arranged at the bottom of the drying chamber; when the student falls into the aquatic carelessly, rivers will get into first smooth intracavity through the drying chamber to the inflation package expands when touching water, thereby the inflation will promote the outside removal of the sliding block in the first smooth intracavity to extrude the inside second cavity, and as above the second cavity receives the extrusion and will make first deformation membrane and second deformation membrane expand the gap between shutoff cover plate and the casing, thereby effectively avoided rivers to get into wherein, thereby the inside schoolbag buoyancy that is full of the air will be far greater than the schoolbag of the inside water that is full of thereby further guaranteed the size of student's schoolbag buoyancy after falling into water and guaranteed that the student can possess sufficient residual force and call for help after falling into water, increased the security.

The second protection component comprises a first rotating piece arranged on the shell, a second air bag arranged on the first rotating piece, a notch arranged on the second air bag, a third air passage used for connecting the first air bag and the second air bag, and a third one-way valve arranged in the third air passage; after the student carried the schoolbag well, it was around the overhead with the second gasbag afterwards to rotate the second gasbag round first rotating member, the second gasbag will be located the prothorax department afterwards, when the impact force of car to the schoolbag was too big, only protect the neck and still there was the shortcoming, the extrusion volume of schoolbag will increase this moment, thereby in more air currents will get into first gasbag, and first gasbag is in the saturation, too much air current will get into in the second gasbag, the student is because the impact force can't stand steadily, thereby can empty forward, this second gasbag will play certain guard action this moment, reduce the injury of ground to the human body, thereby student's safety has further been guaranteed.

The fixed component comprises a fixed rod arranged at the bottom of the first cavity, a first turning plate with one end sleeved on the fixed plate, a second rotating part arranged at the other end of the turning plate, a second turning plate sleeved on the second rotating part, a rotating rod sleeved on the fixed rod, a second elastic part used for connecting the rotating rod and the first turning plate, a fixed block arranged on the side wall of the first cavity, a fifth cavity arranged in the fixed block, a first clamping port arranged on the rotating rod, a sixth cavity arranged on the side wall of the fifth cavity, a first sliding block capable of moving back and forth in the sixth cavity, a third elastic part arranged in the sixth cavity and used for resetting the first sliding block, a second clamping port arranged on the first sliding block and a second sliding block used for pushing the first sliding block to move; after the books are put, the rotating rod is pushed to rotate, the first turning plate is pulled to rotate due to the existence of the second elastic piece, the second turning plate on the first turning plate is turned over to be contacted with the surfaces of the books to be attached, so that the books are extruded and fixed to a certain extent, the rotating rod is continuously rotated, so that the second elastic piece is stressed and stretched, the second turning plate stops rotating due to the blocking of the books, the pressure on the books is increased instead, the structure adopts different forces on different thicknesses, if the books are more, a larger force is needed to fix, the walking labor and the instability caused by the shaking of the books in the walking process are effectively avoided, on the other hand, when the books are impacted, the structure also plays a buffering role to avoid the direct damage of the impact on the human body, and effectively reduces the injury received by students, the safety of students is ensured.

The schoolbag strap comprises a strap body, a light reflecting strip, an adjusting strap, an adjusting head, a sixth cavity, a through groove, a seventh cavity, a friction wheel, a first sliding groove and a shaft body, wherein one end of the strap body is connected to the upper part of the shell body; set up the reflection of light strip on the area body thereby make still possess good warning effect at night, good warning effect has been played to the driver of passing, when the correction in the aspect of length is carried out to the regulation band to needs, through upwards lifting with the axis body, rotate the friction pulley of both sides with the mode of turn-knob afterwards, the rotation of friction pulley will drive and set up in regulation band wherein and move, can adjust its length, when length adjustment is suitable, stretch out the regulation band in two sections outside one of regulation head and draw, thereby the pulling axis body removes the end of first spout once more, it is fixed to form, the setting up of this structure has effectively improved fixed effect on the one hand, on the other hand has effectively reduced the damage of buckle to the regulation band, and no sharp-pointed structure, the security and the convenience of buckle have effectively been increased, the security and the convenience that the student used have been guaranteed.

The fixing buckle comprises a connecting strip connected with the schoolbag strap, a clamping column arranged at the bottom of the shell, a clamping block arranged on the connecting strip, an eighth cavity arranged in the clamping block, a lever arranged in the eighth cavity, a third slide block arranged at one end of the lever, a first inclined plane arranged on the third slide block, a fourth slide block arranged at the other end of the lever, a second inclined plane arranged on the fourth slide block and a limiting structure for stopping; mode through handheld buckle piece, with its joint income joint post in, when the joint post contacted the fourth slider, the fourth slider will be at the inside removal under the extrusion of joint post, thereby it accomplishes the joint work to the joint post to drive the third slider of the lever other end outwards remove, thereby the fourth slider accomplishes under limit structure's effect and fixes thereby the slider can't continue to remove the third slider and carry on spacingly to the joint post this moment, this operation can one-hand completion convenient operation, fixed respond well, make things convenient for the student to operate.

The limiting structure comprises a third clamping interface arranged on the fourth sliding block, a fifth sliding block arranged in the eighth cavity, a clamping block arranged on the fifth sliding block, a blocking block arranged on the inner wall of the eighth cavity, a through hole arranged on the clamping block, a top block arranged on the fifth sliding block, a fourth elastic piece arranged in the eighth cavity and used for resetting the fifth sliding block, a second sliding groove arranged on the fifth sliding block, a sixth sliding block capable of moving back and forth in the second sliding groove, a fifth elastic piece arranged in the second sliding groove and used for resetting the sixth sliding block, a third sliding groove arranged on the side wall of the clamping block, a seventh sliding block arranged in the third sliding groove and a one-way wheel arranged at the top end of the seventh sliding block; when the fixed column needs to be unlocked, the seventh slide block is pressed by a finger, so that the seventh slide block moves inwards, the one-way wheel extrudes the sixth slide block to move inwards, then the sixth slide block extrudes to the bottom, the blocking block loses the blocking effect on the fifth slide block, the fifth slide block is in a free state, then the pressing state is kept, the whole buckle block is pushed inwards, so that the clamping column abuts against the top block to extrude the fifth slide block to move inwards, then the clamping block is moved out of the third buckle port, the lever is in a free state, then the whole buckle is pulled out quickly, the fifth slide block is limited under the action of the one-way wheel, when the clamping column moves outwards, the third slide block is pushed inwards, then unlocking is completed, the fifth slide block is reset after the hand is released, the buckle block needs to be pushed inwards in the unlocking process, and therefore, the possibility of buckle release caused by error touch is effectively reduced, meanwhile, the movement will generate larger shaking, if a pickpocket wants to open the schoolbag, the inward pushing movement will effectively improve the alertness of the owner, thereby ensuring the property safety of students.

According to the invention, through the arrangement of the first air bag, the first air bag pops out to protect the most important neck part of a human body, so that the safety of students is effectively improved, and meanwhile, the arrangement weight of the structure is lighter, so that the phenomenon of hunchback of children caused by overweight of the schoolbag is effectively reduced.

Drawings

Fig. 1 is a schematic structural diagram 1 of the present invention.

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

Fig. 3 is a front view of the present invention.

Fig. 4 is a left side view of the present invention.

Fig. 5 is a schematic perspective cross-sectional view taken along line a-a of fig. 3.

Fig. 6 is a partially enlarged schematic view of fig. 5.

Fig. 7 is a cross-sectional view of fig. 3 taken along line B-B.

Fig. 8 is a partially enlarged schematic view of fig. 7.

Fig. 9 is a cross-sectional view of fig. 4 taken along line C-C.

Fig. 10 is a partially enlarged schematic view of fig. 9.

Fig. 11 is a cross-sectional view of fig. 4 taken along line D-D.

Fig. 12 is a partially enlarged schematic view of fig. 11.

Fig. 13 is a cross-sectional view of fig. 4 taken along line E-E.

Fig. 14 is a partially enlarged schematic view of fig. 13.

Fig. 15 is a schematic perspective cross-sectional view taken along line F-F of fig. 4.

Detailed Description

As shown in fig. 1-15, a schoolbag with self-rescue function comprises a schoolbag body 1, schoolbag straps 2, a cover plate 3 and a fixing buckle 4; the schoolbag brace 2 is arranged on the schoolbag body, the cover plate 3 is used for sealing the schoolbag, and the fixing buckle 4 is used for fixing the cover plate; the schoolbag body 1 comprises a shell 11, a first cavity 12, an expansion bag 13, a first block 14, a first ventilation flow channel 15, a one-way valve 16, a first air bag 17, a first containing block 18, a first air release valve 19, a closed structure 5, a second protection assembly 6 and a fixing assembly 7; the shell 11 is a rectangular block, the first cavity 12 is arranged in the shell, the expanding bag 13 is arranged on the shell, the expanding bag is a bag arranged on the shell and used for placing articles, the first block 14 is arranged on the inner wall of the first cavity, the first ventilation flow passage 15 is arranged in the first block, the one-way valve 16 is arranged in the first ventilation flow passage, the one-way valve is the prior art and is not repeated here, the first air bag 17 is arranged on the cover plate, the first containing block 18 is used for containing the first air bag, the first air bag is placed in the first containing block for containing after the first air bag releases air, so as to avoid blocking sight during walking, the first air release valve 19 is arranged on the first air bag, the first air release valve is a simple prior art and is not called for here again, and can be a first air release valve on a similar swimming circle, the sealing structure 5 is used for sealing a gap between the cover plate and the shell, the second protection component 6 is arranged on the cover plate, and the fixing component 7 is arranged in the first cavity.

As shown in fig. 1, 5, 6, 7, 10-11, 13, and 15, the enclosure structure 5 includes a soft mass 51, a second cavity 52, a bump 53, a third cavity 54, a first deformable membrane 55, a block 56, a fourth cavity 57, a second deformable membrane 58, a second air passage 59, a second check valve 510, a second air release valve 511, an auxiliary enclosure structure 8, and a downpipe protection structure 9; the flexible block 51 is arranged on the expansion belt, the second cavity 52 is arranged inside the flexible block, the flexible block is of a closed structure, the bump 53 is arranged on the side wall of the first cavity, the third cavity 54 is arranged inside the bump, the bump is of a T-shaped structure, the edge of the upper side of the flexible block is attached to the periphery of the backpack shell, the first deformable film 55 is arranged at the top of the bump, the sealing block 56 is arranged inside the first cavity, the fourth cavity 57 is arranged inside the sealing block, the second deformable film 58 is arranged above the fourth cavity, the second vent channel 59 is used for communicating the second cavity with the third cavity, the second one-way valve 510 is arranged in the second vent channel, the second one-way valve 511 is arranged on the second deformable film, the second one-way valve and the second vent valve are similar to the above and are the prior art, and the details are omitted here. The auxiliary sealing structure 8 is arranged on the cover plate, the water falling protection structure 9 is arranged in the second cavity, and the third cavity is communicated with the fourth cavity; the first deformation film and the second deformation film are both made of elastic materials, and are made of materials such as rubber; .

As shown in fig. 3, the auxiliary closing structure 8 includes a first soft tooth 81, a second soft tooth 82, and a third soft tooth 83; the first soft teeth 81 are arranged on the soft block, the second soft teeth 82 are arranged on the expanding bag and arranged in the cover plate, and the third soft teeth 83 are arranged below the cover plate; first soft tooth, the soft tooth of second and the soft tooth of third are soft material, are difficult to hinder the people and possess better frictional force simultaneously, and the laminating degree is better, and the soft tooth here all sets up to rubber materials.

As shown in fig. 5-6, the falling water protection structure 9 includes a second block 91, a first slide cavity 92, a slide block 93, a first elastic member 94, an expansion bag 95, a drying chamber 96, a drying agent 97, a through hole 98, and a water inlet 99; second block 91 is located in the second cavity, first smooth chamber 92 is located in the second block, sliding block 93 is located in the first smooth intracavity, first elastic component 94 is located be used for reseing in the first smooth intracavity the sliding block, first elastic component here sets up to spring structure, and inflation package 95 is located in the first smooth intracavity, inflation package adopt the material of meeting water inflation to the big effect of deformation volume is better more, and drying chamber 96 is located the smooth chamber below of second, drier 97 is located in the drying chamber, in the drier was used for placing steam and gets into the inflation chamber, through-hole 98 was used for the intercommunication first smooth chamber with drying chamber, water inlet 99 was located the drying chamber bottom.

As shown in fig. 1-3, the second protection assembly 6 includes a first rotating member 61, a second air bag 62, a notch 63, a third vent channel 64, and a third one-way valve 65; the first rotating part 61 is arranged on the shell, the second air bag 62 is arranged on the first rotating part, the notch 63 is arranged on the second air bag, the third air passage 64 is used for connecting the first air bag and the second air bag, and the third one-way valve 65 is arranged in the third air passage; the second air bag is a rectangular air bag body, a notch is formed in the second air bag body, and the notch is used for enabling the second air bag to bypass the head and be placed in front of the chest.

As shown in fig. 9 and 12-13, the fixing component 7 includes a fixing rod 71, a first turning plate 72, a second rotating member 73, a second turning plate 74, a rotating rod 75, a second elastic member 76, a fixing block 77, a fifth cavity 78, a first clip interface 79, a sixth cavity 710, a first slider 711, a third elastic member 712, a second clip interface 713, and a second slider 714; the fixing rod 71 is arranged at the bottom of the first cavity, one end of a first turning plate 72 is sleeved on the fixing plate, a second rotating part 73 is arranged at the other end of the turning plate, a second turning plate 74 is sleeved on the second rotating part, a rotating rod 75 is sleeved on the fixing rod, a second elastic part 76 is used for connecting the rotating rod and the first turning plate, a fixing block 77 is arranged on the side wall of the first cavity, a fifth cavity 78 is arranged in the fixing block, a first clamping port 79 is arranged on the rotating rod, a sixth cavity 710 is arranged on the side wall of the fifth cavity, a first sliding block 711 can move back and forth in the sixth cavity, a third elastic part 712 is arranged in the sixth cavity and used for resetting the first sliding block, the second elastic part and the third elastic part are both arranged in a spring structure, a second clamping port 713 is arranged on the first sliding block, and a second sliding block 714 is used for pushing the first sliding block to move.

As shown in fig. 1-2 and 13-14, the schoolbag strap 2 includes a strap body 21, a reflective strip 22, an adjusting strap 23, an adjusting head 24, a sixth cavity 25, a through slot 26, a seventh cavity 27, a friction wheel 28, a first sliding slot 29 and a shaft body 210; area body 21 one end connect in casing upper portion, reflective strip 22 locate on the area body, reflective strip is the prior art that can purchase on the market, and no longer repeated here, regulation band 23 one end connect in the casing lower part, regulation head 24 locates the area body other end, regulation head are a circular structure, connect in area body below, and sixth cavity 25 locates in the regulation head, logical groove 26 locates on the regulation head, seventh cavity 27 locates on the sixth cavity lateral wall, friction pulley 28 locates in the seventh cavity, friction pulley is for the higher prior art of roughness here no longer repeated here, and first spout 29 locates adjust overhead, the axis body 210 can round trip movement in the first spout.

As shown in fig. 2 and 7-8, the fixing buckle 4 includes a connecting bar 41, a buckle column 42, a buckle block 43, an eighth cavity 44, a lever 45, a third slider 46, a first inclined surface 47, a fourth slider 48, a second inclined surface 49, and a limiting structure 10; connecting strip 41 connect in schoolbag braces, joint post 42 is located the casing bottom, buckle piece 43 is located on the connecting strip, eighth cavity 44 is located in the buckle piece, lever 45 locates in the eighth cavity, third slider 46 is located lever one end, first inclined plane 47 are located on the third slider, fourth slider 48 is located the lever other end, second inclined plane 49 are located on the fourth slider, limit structure 10 is used for locking the fourth slider.

As shown in fig. 8, the limiting structure 10 includes a third card interface 101, a fifth slider 102, a card connecting block 103, a blocking block 104, a through opening 105, a top block 106, a fourth elastic member 107, a second sliding slot 108, a sixth slider 109, a fifth elastic member 110, a third sliding slot 111, a seventh slider 112, and a one-way wheel 113; the third card interface 101 is arranged on the fourth sliding block, the fifth sliding block 102 is arranged in the eighth cavity, the clamping block 103 is arranged on the fifth sliding block, the blocking block 104 is arranged on the inner wall of the eighth cavity, the through hole 105 is arranged on the clamping block, the top block 106 is arranged on the fifth sliding block, the fourth elastic piece 107 is arranged in the eighth cavity and used for resetting the fifth sliding block, the second sliding groove 108 is arranged on the fifth sliding block, the sixth sliding block 109 can move back and forth in the second sliding groove, the fifth elastic piece 110 is arranged in the second sliding groove and used for resetting the sixth sliding block, the third sliding groove 111 is arranged on the side wall of the clamping block, the seventh sliding block 112 is arranged in the third sliding groove, and the one-way wheel 113 is arranged at the top end of the seventh sliding block.

The specific operation flow is as follows:

the shaft body 210 is lifted upwards, then the friction wheels 28 on two sides are rotated in a knob mode, the rotation of the friction wheels drives the adjusting belt 23 arranged in the friction wheels to move, the length of the adjusting belt can be adjusted, when the length is adjusted properly, the adjusting belt is stretched out of two sections of the adjusting head 24 and pulled outwards, so that the shaft body is pulled to move to the tail end of the first sliding groove 29 again to form fixation, the fixation in the aspect of length is completed, then the adjusting belt is clamped into the clamping column 42 in a mode of holding the clamping block 43 by hands, when the clamping column contacts the fourth sliding block 48, the fourth sliding block moves inwards under the extrusion of the clamping column, so that the third sliding block 46 at the other end of the lever is driven to move outwards to complete the clamping work on the clamping column, at the moment, the fourth sliding block is fixed under the action of the limiting structure 10, so that the fourth sliding block cannot move continuously, so that the clamping column 42 is limited by the third sliding block 46, this operation can be accomplished convenient operation by one hand, and is fixed firm, has further strengthened the fastness of buckle.

When a child is impacted from the back, the soft block 51 is more preferentially impacted, when the child is impacted, the third soft teeth 83 are attached to the second soft teeth 82 or the first soft teeth 81, and the directions of the third soft teeth, the second soft teeth and the one-way teeth arranged on the first soft teeth are different from the directions of the one-way teeth arranged on the first soft teeth, so that the upward opening force of the cover plate when the child is impacted can be neutralized, the situation that the child is injured due to untimely opening, insufficient opening amount and even incapability of opening caused by the fact that the cover plate is upwards lifted at the moment of impact is effectively avoided, the gas in the first cavity 12 escapes, the first air bag 17 loses the gas supply source, the opening amount is insufficient, and the child cannot be opened is caused, then the soft block 51 is squeezed, and the air in the soft block enters the third cavity 54 and the fourth cavity 57 in the closed block through the second vent channel 59, thereby make first deformation membrane 55 and second deformation membrane 58 receive the extrusion inflation thereby seal the space that exists between shell 11 and cover plate 3 and make the first cavity inside be in high encapsulated situation, thereby make the first cavity receive the internal air loss reduction when extrudeing, increase the speed of inside atmospheric pressure accelerate, thereby more fully be full of first gasbag more fast, thereby make first gasbag more real stable protection effect more excellent, then the impact force will extrude the shell 11 of schoolbag, thereby make the shell warp, the schoolbag inner space that subsequently warp diminishes sharply, thereby inside atmospheric pressure increases, the air current will constantly pass through first ventilation runner 15, get into in first gasbag 17, thereby aerify first gasbag, later the first gasbag will pop out from first containing piece 18 after aerifing so as to protect student's neck, when the impact force of car to schoolbag is too big, only protect the neck still to have the shortcoming, the extrusion volume of schoolbag this moment will increase, thereby more air currents will get into first gasbag in, and first gasbag is at the saturation, too much air current will get into in second gasbag 62, the student is because the impact force can't stand steadily, thereby can empty forward, this second gasbag will play certain guard action this moment, reduce the injury of ground to the human body, thereby student's safety has further been guaranteed, when the child openly receives the striking, the schoolbag will preferentially fall to the ground, thereby ground will extrude the schoolbag and inflate first gasbag 17, thereby the back head strikes the possibility on ground when effectively having avoided children back to fall to the ground, children's safety has effectively been guaranteed.

If carelessly fall into water in the walking process, rivers will get into in first smooth chamber 92 through drying chamber 96, thereby inflation package 95 expands when touching water, thereby the inflation will promote the outside extrusion of sliding block 93 in the first smooth chamber 92 to the inside second cavity 91, and as above the second cavity receives the extrusion and will make first deformation membrane and second deformation membrane expand thereby the gap between shutoff cover plate and the casing, thereby effectively avoided rivers to get into in the first cavity, thereby the inside schoolbag buoyancy that is full of the air will be far greater than the size of the schoolbag buoyancy of the inside water that is full of thereby further guaranteed the student and can possess sufficient residual force after falling into water and call for help, increased the security.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. 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

1. A schoolbag with a self-rescue function comprises a schoolbag body (1), schoolbag straps (2) arranged on the schoolbag body, a cover plate (3) used for sealing the schoolbag and a fixing buckle (4) used for fixing the cover plate; the method is characterized in that: schoolbag body (1) includes shell (11), set up in first cavity (12) in the shell, locate expand bag (13) on the shell, locate first block (14) on the first cavity inner wall, set up in first runner (15) of ventilating in the first block, locate check valve (16) in the first runner of ventilating, locate first gasbag (17) on the cover plate, be used for holding first of first gasbag holds piece (18), locates first bleed valve (19) on the first gasbag, be used for sealing the enclosed construction (5) of gap between cover plate and the shell, locate second protection component (6) on the cover plate, locate fixed subassembly (7) in the first cavity.

2. The self-rescue schoolbag as claimed in claim 1, wherein: the closed structure (5) comprises a soft block (51) arranged on the expansion belt, a second cavity (52) arranged in the soft block, a convex block (53) arranged on the side wall of the first cavity, a third cavity (54) arranged in the convex block, a first deformation film (55) arranged at the top of the convex block, a closed block (56) arranged in the first cavity, and a fourth cavity (57) arranged in the closed block, the second deformation film (58) is arranged above the fourth cavity, the second air channel (59) is used for communicating the second cavity with the third cavity, the second one-way valve (510) is arranged in the second air channel, the second air release valve (511) is arranged on the second deformation film, the auxiliary sealing structure (8) is arranged on the cover plate, and the water falling protection structure (9) is arranged in the second cavity; the third cavity is communicated with the fourth cavity.

3. The self-rescue schoolbag as claimed in claim 1, wherein: the auxiliary sealing structure (8) comprises first soft teeth (81) arranged on the soft block, second soft teeth (82) arranged on the expansion bag and arranged in the cover plate, and third soft teeth (83) arranged below the cover plate.

4. The self-rescue schoolbag as claimed in claim 1, wherein: the water falling protection structure (9) comprises a second block body (91) arranged in the second cavity, a first sliding cavity (92) arranged in the second block body, a sliding block (93) arranged in the first sliding cavity, a first elastic piece (94) arranged in the first sliding cavity and used for resetting the sliding block, an expansion bag (95) arranged in the first sliding cavity, a drying chamber (96) arranged below the second sliding cavity, a drying agent (97) arranged in the drying chamber, a through hole (98) used for communicating the first sliding cavity with the drying chamber and a water inlet (99) arranged at the bottom of the drying chamber.

5. The self-rescue schoolbag as claimed in claim 1, wherein: the second protection assembly (6) comprises a first rotating piece (61) arranged on the shell, a second air bag (62) arranged on the first rotating piece, a notch (63) formed in the second air bag, a third air passage (64) used for connecting the first air bag and the second air bag, and a third one-way valve (65) arranged in the third air passage.

6. Schoolbag with self-rescue function as claimed in claim (1), characterized in that: the fixing component (7) comprises a fixing rod (71) arranged at the bottom of the first cavity, a first turning plate (72) with one end sleeved on the fixing plate, a second rotating part (73) arranged at the other end of the turning plate, a second turning plate (74) sleeved on the second rotating part, a rotating rod (75) sleeved on the fixing rod, a second elastic part (76) used for connecting the rotating rod and the first turning plate, a fixing block (77) arranged on the side wall of the first cavity, a fifth cavity (78) arranged in the fixing block, a first clamping port (79) arranged on the rotating rod, a sixth cavity (710) arranged on the side wall of the fifth cavity, a first sliding block (711) capable of moving back and forth in the sixth cavity, a third elastic part (712) arranged in the sixth cavity and used for resetting the first sliding block, a second clamping port (713) arranged on the first sliding block, and a second elastic part (79) arranged on the side wall of the fifth cavity, A second slider (714) for pushing the first slider to move.

7. The self-rescue schoolbag as claimed in claim 1, wherein: schoolbag braces (2) include one end connect in area body (21) on casing upper portion, locate reflection of light strip (22), one end connect in regulation band (23) of casing lower part, locate regulation head (24) of the area body other end, locate sixth cavity (25) in the regulation head, locate logical groove (26) on the regulation head, locate seventh cavity (27) on the sixth cavity lateral wall, locate friction pulley (28) in the seventh cavity, locate adjust overhead first spout (29), can round trip movement's axis body (210) in the first spout.

8. The self-rescue schoolbag as claimed in claim 1, wherein: fixed buckle (4) including connect in connecting strip (41) of schoolbag braces, locate joint post (42) of casing bottom, locate buckle piece (43) on the connecting strip, locate eighth cavity (44) in the buckle piece, locate lever (45) in the eighth cavity, locate the third slider (46) of lever one end, locate first inclined plane (47) on the third slider, locate the fourth slider (48) of the lever other end, locate second inclined plane (49) on the fourth slider, be used for stopping limit structure (10) of fourth slider.

9. The self-rescue schoolbag as claimed in claim 1, wherein: the limiting structure (10) comprises a third clamping interface (101) arranged on the fourth sliding block, a fifth sliding block (102) arranged in the eighth cavity, a clamping block (103) arranged on the fifth sliding block, a blocking block (104) arranged on the inner wall of the eighth cavity, a through hole (105) arranged on the clamping block, a top block (106) arranged on the fifth sliding block, and a fourth elastic part (107) arranged in the eighth cavity and used for resetting the fifth sliding block, the sliding block comprises a second sliding groove (108) arranged on the fifth sliding block, a sixth sliding block (109) capable of moving back and forth in the second sliding groove, a fifth elastic piece (110) arranged in the second sliding groove and used for resetting the sixth sliding block, a third sliding groove (111) arranged on the side wall of the clamping block, a seventh sliding block (112) arranged in the third sliding groove and a one-way wheel (113) arranged at the top end of the seventh sliding block.