阅读说明：本技术 一种带有全封闭式安全气囊的电动车车座 (Electric vehicle seat with totally enclosed safety airbag ) 是由 王小旦 于 2021-02-26 设计创作，主要内容包括：本发明涉及电动车领域,尤其是涉及一种带有全封闭式安全气囊的电动车车座。本发明提供的一种带有全封闭式安全气囊的电动车车座,旨在保护人身安全,充气气囊包裹人体进行保护,事故后能提醒后方车辆及时避让,防止造成二次事故,碰撞后的消除撞击惯性,防止人翻出车外。本发明公开了一种带有全封闭式安全气囊的电动车车座,包括五个包裹人体的气囊保护装置,所述气囊保护装置包裹人的正面、背面、两侧以及腿部,手臂两侧下方设有倾倒支撑装置,人腿部外侧设有对称于人体躯干的躯干固定装置。(The invention relates to the field of electric vehicles, in particular to an electric vehicle seat with a totally enclosed safety airbag. The invention provides an electric vehicle seat with a totally enclosed safety airbag, which aims to protect personal safety, the inflatable airbag wraps a human body for protection, a vehicle behind can be reminded of avoiding in time after an accident, a secondary accident is prevented from being caused, impact inertia is eliminated after the collision, and the person is prevented from turning out of the vehicle. The invention discloses an electric vehicle seat with a totally enclosed safety airbag, which comprises five airbag protection devices wrapping a human body, wherein the airbag protection devices wrap the front, the back, two sides and legs of the human body, a tilting support device is arranged below two sides of the arms, and a trunk fixing device symmetrical to the trunk of the human body is arranged outside the legs of the human body.)

1. The utility model provides an electric motor car saddle with totally enclosed air bag which characterized in that: the automobile seat comprises five air bag protection devices (51) wrapping a human body, wherein the air bag protection devices (51) wrap the front, the back, the two sides and the legs of the human body, dumping supporting devices (56) are arranged below the two sides of the arms, trunk fixing devices (52) symmetrical to the trunk of the human body are arranged on the outer sides of the legs of the human body, the trunk fixing devices (52) fix the human body on a seat cushion through bent rods, the human body is prevented from falling out of the seat in a separation or carrying process, an inertia buffer device (53) is arranged on one side far away from the legs, the inertia buffer device (53) can buffer inertia to provide thrust in the opposite direction of the inertia, the human body is effectively protected from falling out of the automobile, a waist protection device (54) is arranged at the top of the inertia buffer device (53), the waist protection device (54) can protect the waist of the human body and buffer the impact force, and, a smoke reminding device (55) capable of reminding a vehicle behind is arranged on the side of the rear wheel of the vehicle seat.

2. An electric vehicle seat with a totally enclosed air bag according to claim 1, characterized in that: the utility model provides an electric motor car saddle with totally enclosed air bag, includes saddle pole (11), saddle pole (11) are fixed and are equipped with gasbag box (14), gasbag box (14) upside is fixed and is equipped with cushion (15), and the people sits to the handlebar cushion (15) upside.

3. An electric vehicle seat with a totally enclosed air bag according to claim 2, characterized in that: the airbag protection device (51) comprises an airbag cavity (28) which is positioned in an airbag box body (14) and is opened outwards, the airbag cavity (28) is far away from the side of the ejection cavity and is hinged with an airbag cover plate (27), the airbag cover plate (27) is hinged with the leg part and is parallel to the leg part, the hinge point of the airbag cover plate (27) is positioned at the upper side of the airbag cover plate (27), the leg part is far away from the upper side of the airbag cover plate (27), the hinge point of the airbag cover plate (27) is positioned at the lower side of the airbag cover plate (27), a compressed air box (31) filled with compressed air is fixedly arranged at the inner side of the airbag cavity (28), an airbag (29) is placed in the airbag cavity (28) in a folding way, an airbag valve (30) is fixedly arranged between the airbag (29) and the compressed air box (31), when a car accident happens, the airbag valve (30) is opened instantly, the compressed air in the, the air bag (29) expands to push away the air bag cover plate (27) to protect the human body, and the principle of the air bag (29) is the same as that of an embedded air bag adopted by the H-shaped stabilized zone.

4. An electric vehicle seat with a totally enclosed airbag as claimed in claim 3, characterized in that: truck fixing device (52) is including being located articulated rod on cushion (15) rotates chamber (22), articulated rod rotates chamber (22) internal hinge and is connected with the articulated rod, the articulated rod rotates chamber (22) and keeps away from it is equipped with dead lever spout (23) to launch chamber side, sliding connection has dead lever slider (25) in dead lever spout (23), dead lever slider (25) are kept away from launch chamber side fixed be equipped with air bag apron (27), gasbag box (14) and cushion (15) sliding connection's tedding pole (26), tedding pole (26) top is equipped with the dead lever and rotates chamber (24), the dead lever rotate chamber (24) internal hinge connect and with the articulated rod is connected with the dead lever, both sides air bag apron (27) are opened and are promoted tedding pole (26) rise, dead lever, The hinged rod, the fixed rod rotating cavity (24) and the fixed rod sliding groove (23) are hinged to each other, so that the top of the fixed rod rotates towards the side close to the ejection cavity to fix a human body.

5. An electric vehicle seat with a totally enclosed airbag as claimed in claim 4, characterized in that: the fixed rod, the articulated arm all wraps up the foam-rubber cushion with people's contact surface, the fixed rod quilt the push rod that rises (26) drive rises, the articulated arm with the fixed rod takes place to rotate and drives the fixed rod top is to being close to human side rotation, the articulated arm with the fixed rod contact human body, is fixed with people's truck.

6. An electric vehicle seat with a totally enclosed air bag according to claim 2, characterized in that: inertia buffer (53) are including being located the anti inertia sliding chamber (35) of shank one side is kept away from in cushion (15), one side that is close to the shank is equipped with and is located anti inertia guide rail (37) in cushion (15), sliding connection has anti inertia electric putter (36) in anti inertia guide rail (37), anti inertia electric putter (36) keep away from one side of shank fixed be equipped with anti inertia sliding chamber (35) sliding connection's height control sliding box.

7. An electric vehicle seat with a totally enclosed air bag according to claim 6, characterized in that: waist support device (54) still including being located the fixed waist support ring fixed block (17) that is equipped with in one side of shank is kept away from in waist support ring (16), waist support ring slider (17) top fixed connection and with altitude mixture control smooth case (19) top sliding connection has slide bar (18), slide bar (18) with altitude mixture control smooth case slides, can change the height of waist support ring adjusts to people's waist position, waist support intra-annular is equipped with four shock attenuation gas tanks (12) of angular distribution such as, shock attenuation gas tank (12) are close to human waist and link up and are equipped with shock attenuation gasbag (13).

8. An electric vehicle seat with a totally enclosed airbag according to claim 3 or 6, characterized in that: smog reminding device (55) are including being located smog compression box (38) that one side that the shank was kept away from to the height adjustment draw box, smog compression box (38) are kept away from one side of shank and are equipped with piston (39), piston (39) with keep away from shank one side be connected with stay cord (40) between gasbag apron (27).

9. An electric vehicle seat with a totally enclosed airbag as claimed in claim 4, characterized in that: the dumping supporting device (56) comprises a supporting guide rail (34) with an opening far away from the seat post (11), a supporting push rod (33) is connected in the supporting guide rail (34) in a sliding mode, the supporting push rod (33) is far away from the seat post (11) side and is hinged with a supporting push block (32), a spring which is in a compression state at the beginning is fixedly arranged between the supporting push rod (33) and the supporting guide rail (34), an iron block sliding cavity (41) is arranged at the top of the supporting guide rail (34), the iron block sliding cavity (41) is connected in the sliding mode and is connected with an iron block (42) in the sliding mode through the supporting push rod (33), an electromagnet (43) is fixedly arranged at the top of the iron block sliding cavity (41), an iron block spring (44) is fixedly arranged between the electromagnet (43) and the iron block (42), and a supporting sliding box (45) is connected on one side of the supporting push block (, support smooth case (45) sliding connection have about support slider (32) symmetry grab ground slider (46), grab ground slider (46) torsional spring coupling and with support smooth case (45) sliding connection have and grab ground support (47), articulated rod (21) is close to shank one side and is equipped with pressure sensor.

10. An electric vehicle seat with a totally enclosed airbag according to claim 3 or 7, characterized in that: be equipped with collision sensor in the electric motor car, pass to the signal when bumping gasbag valve (30) shock attenuation gas tank (12), still be equipped with acceleration sensor in the electric motor car, when acceleration change reached and can let the car fall down, pass to anti inertia electric putter (36) with the signal.

Technical Field

The invention relates to the field of electric vehicles, in particular to an electric vehicle seat with a totally enclosed safety airbag.

Background

Electric vehicles, namely electric drive vehicles, are also known as electric drive vehicles. The safety air bag is made up by filling compressed air or water medium into flexible rubber capsule, and utilizing the compressibility of air and flowability of water to implement elastic action. Most of the existing electric vehicles are not provided with safety airbags, personal safety can not be protected at the first time when an accident occurs, vehicles behind the accident can not be reminded, secondary accidents are easily caused, inertia after collision can not be eliminated, so that people turn out of the vehicle, and the electric vehicle has great danger.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide an electric vehicle seat with a totally-enclosed safety airbag, which aims to solve the problems that most of the existing electric vehicles are not provided with the safety airbag, the inertia is too large in collision, people turn out of the vehicle and secondary accidents happen occasionally.

The technical scheme of the invention is that the electric vehicle seat with the totally enclosed safety airbag.

The electric vehicle seat with the totally enclosed type safety air bag manufactured by the technical scheme of the invention comprises five air bag protection devices wrapping a human body, wherein the air bag protection devices wrap the front, the back, two sides and legs of a person, a dumping support device is arranged below two sides of arms, a trunk fixing device symmetrical to the trunk of the human body is arranged outside the legs of the person, the trunk fixing device fixes the person on a seat cushion through a curved bar to prevent the person from turning out of the seat during separation or transportation, an inertia buffer device is arranged at one side far away from the legs and can buffer inertia to provide thrust in the opposite direction of the inertia to effectively protect the person from turning out of the vehicle, a waist protection device is arranged at the top of the inertia buffer device and can protect the waist of the person and buffer impact force, the waist support device comprises a waist support ring clamped on the waist of a person, and a smoke reminding device capable of reminding a vehicle behind is arranged on the side, close to the rear wheel, of the seat.

The utility model provides an electric motor car saddle with totally enclosed air bag, includes the saddle pole, the fixed gasbag box that is equipped with of saddle pole, the fixed cushion that is equipped with of gasbag box upside, the people is sat to the handlebar the cushion upside.

The air bag protection device comprises an air bag cavity with an outward opening in the air bag box body, the side of the air bag cavity far away from the ejection cavity is hinged with an air bag cover plate, the hinge point of the airbag cover plate parallel to the leg is positioned at the upper side of the airbag cover plate, the hinge point of the airbag cover plate far away from the leg and close to the leg is positioned at the lower side of the airbag cover plate, a compressed air box filled with compressed air is fixedly arranged at the inner side of the air bag cavity, an air bag is folded in the air bag cavity, an air bag valve is fixedly arranged between the air bag and the compressed air box, when a car accident happens, the air bag valve is opened instantly, compressed gas in the compressed gas box enters the safety air bag quickly, the safety air bag expands to push open the air bag cover plate to protect a human body, this air bag principle is the same with the embedded air bag principle that the H baby ding adopted.

The trunk fixing device comprises a hinge rod rotating cavity positioned on the cushion, a hinge rod is hinged in the hinge rod rotating cavity, a fixed rod chute is arranged on the side of the hinge rod rotating cavity far away from the ejection cavity, a fixed rod slider is connected in the fixed rod chute in a sliding manner, an ascending push rod which is connected with the air bag cover plate, the air bag box body and the cushion in a sliding manner is fixedly arranged on the side of the fixed rod slider far away from the ejection cavity, a fixed rod rotating cavity is arranged at the top of the ascending push rod, a fixed rod is hinged in the fixed rod rotating cavity and is connected with the hinge rod in a hinged manner, the air bag cover plates on two sides are opened to push the ascending push rod to ascend, the fixed rod, the hinge rod, the fixed rod rotating cavity and the fixed rod chute are hinged in a hinged manner, so, fixing the human body.

Beneficially, the fixed rod, the hinged rod and the human contact surface are all wrapped by sponge cushions, the fixed rod is driven to ascend by the ascending push rod, the hinged rod and the fixed rod rotate to drive the top of the fixed rod to rotate towards the side close to the human body, and the hinged rod and the fixed rod are in contact with the human body to fix the human body.

Inertia buffer is including being located the anti inertia sliding chamber of shank one side is kept away from to the cushion, one side that is close to the shank is equipped with and is located anti inertia guide rail in the cushion, sliding connection has anti inertia electric putter in the anti inertia guide rail, anti inertia electric putter keep away from one side of shank fixed be equipped with anti inertia sliding chamber sliding connection's height control sliding box.

Waist support device is still including being located the fixed waist support ring fixed block that is equipped with in one side that the shank was kept away from to the waist support ring, waist support ring slider top fixed connection and with high adjustment slip box top sliding connection has the slide bar, the slide bar with high adjustment slip box slides, can change the height of waist support ring adjusts to people's waist position, waist support intra-annular is equipped with four shock attenuation gas tanks that wait angular distribution, shock attenuation gas tank link up near human waist and is equipped with the shock attenuation gasbag.

The smoke reminding device comprises a smoke compression box which is arranged on one side, away from the leg, of the height adjusting sliding box, a piston is arranged on one side, away from the leg, of the smoke compression box, and a pull rope is connected between the piston and the air bag cover plate on one side, away from the leg, of the piston.

The dumping support device comprises a support guide rail with an opening far away from the saddle bar, a support push rod is connected in the support guide rail in a sliding way, the side of the supporting push rod far away from the seat post is hinged with a supporting push block, a spring which is in a compression state at the beginning is fixedly arranged between the supporting push rod and the supporting guide rail, an iron block sliding cavity is arranged at the top of the supporting guide rail, the iron block sliding cavity is connected in a sliding way and is connected with the supporting push rod in a sliding way, an electromagnet is fixedly arranged at the top of the iron block sliding cavity, an iron block spring is fixedly arranged between the electromagnet and the iron block, one side of the supporting push block is connected with a supporting slide box in a sliding way, the supporting slide box is connected with ground-grasping slide blocks which are symmetrical relative to the supporting push block in a sliding way, grab ground slider torsional spring connect and with it grabs ground support to support sliding box sliding connection, articulated rod is close to shank one side and is equipped with pressure sensor.

Beneficially, be equipped with collision sensor in the electric motor car, give the gasbag valve with the signal when bumping the shock attenuation gas tank still is equipped with acceleration sensor in the electric motor car, when acceleration change reached can let the car fall down, gives the anti inertia electric putter with the signal.

By adopting the technical scheme, the invention has the following beneficial effects:

in the middle of this scheme, air bag installs in electric motor car saddle bottom, install nine gasbags altogether, establish respectively at the health all around, shank and four air bags as the waist buffering, after the occurence of failure, air bag pops out the parcel health in the twinkling of an eye, it is fixed with the health to stretch out the bull stick simultaneously, prevent to overturn the car, the saddle provides the speed of certain overcoming inertia, prevent that the people from turning over the car by inertia, if take place to turn on one's side, both sides extension bar support electric motor car does not empty, the nearly department vehicle parking of red smog warning of blowout is dodged, and remind vehicle in a distance to slow down, prevent the.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of an electric vehicle seat with a fully enclosed airbag according to the present invention;

FIG. 2 is a schematic view of the structure in the direction A-A of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction B-B of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction C-C of FIG. 2;

FIG. 5 is a schematic view of an electric vehicle seat with a fully enclosed airbag of the present invention while riding;

FIG. 6 is a schematic view of an airbag of a saddle of an electric vehicle with a totally enclosed airbag according to the present invention, when deployed;

fig. 7 is a partially enlarged schematic view of fig. 1 at D.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 7, an electric vehicle seat with a totally enclosed type airbag comprises five airbag protection devices 51 wrapping a human body, wherein the airbag protection devices 51 wrap the front, back, two sides and legs of the human body, a dumping support device 56 is arranged below the two sides of the arms, a trunk fixing device 52 symmetrical to the trunk of the human body is arranged outside the legs of the human body, the trunk fixing device 52 fixes the human body on a seat cushion through a curved rod to prevent the human body from falling off or turning out of the seat during transportation, so as to ensure the protection reliability, an inertia buffer device 53 is arranged at one side far away from the legs, the inertia buffer device 53 can buffer the inertia to provide thrust in the opposite direction of the inertia, so as to effectively protect the human body from turning out of the vehicle, a waist protection device 54 is arranged at the top of the inertia buffer device 53, the waist protection device 54 can protect the waist of the human body and buffer the impact force, the waist protection device 54, the seat is provided with a smoke alarm 55 for alarming the vehicle behind the seat near the rear wheel.

As shown in fig. 1 to 7, the electric vehicle seat with the totally enclosed type safety airbag comprises a seat rod 11, wherein an airbag box body 14 is fixedly arranged on the seat rod 11, a seat cushion 15 is fixedly arranged on the upper side of the airbag box body 14, and a person sits on the upper side of the seat cushion 15 facing a handlebar.

Referring to fig. 1 to 5, the airbag protection device 51 includes an airbag cavity 28 located in the airbag housing 14 and having an outward opening, the airbag cavity 28 is hinged to an airbag cover 27 far away from the ejection cavity 13, a hinge point of the airbag cover 27 parallel to the leg is located on the upper side of the airbag cover 27, a hinge point of the airbag cover 27 far away from the leg and close to the leg is located on the lower side of the airbag cover 27, a compressed air tank 31 filled with compressed air is fixed on the inner side of the airbag cavity 28, an airbag 29 is folded and placed in the airbag cavity 28, an airbag valve 30 is fixed between the airbag 29 and the compressed air tank 31, when a car accident occurs, the airbag valve 30 is opened instantly, the compressed air in the compressed air tank 31 enters the airbag 29 quickly, and the airbag 29 expands to push the airbag cover 27 open, the protection human body, this air bag principle is the same with the embedded air bag principle that the H baby used.

Referring to fig. 1 to 5, the trunk fixing device 52 includes a hinge rod rotating cavity 22 on the seat cushion 15, a hinge rod 21 is hinged in the hinge rod rotating cavity 22, the hinge rod rotating cavity 22 is far away from the ejection cavity 13 side and is provided with a fixing rod chute 23, a fixing rod slider 25 is connected in the fixing rod chute 23 in a sliding manner, the fixing rod slider 25 is far away from the ejection cavity 13 side and is fixedly provided with an air bag cover plate 27, an air bag box 14 and an ascending push rod 26 slidably connected with the seat cushion 15, a fixing rod rotating cavity 24 is arranged at the top of the ascending push rod 26, a fixing rod 20 is hinged in the fixing rod rotating cavity 24 and is connected with the hinge rod 21 in a hinged manner, the air bag cover plates 27 on two sides are opened to push the ascending push rod 26 to ascend, the fixing rod 20, the hinge rod 21, the fixing rod rotating cavity 24, the fixed rod sliding grooves 23 are hinged to each other, so that the top of the fixed rod 20 rotates towards the side close to the ejection cavity 13 to fix a human body.

Advantageously, the fixing rod 20, the hinge rod 21 and the human body contact surface are all wrapped with sponge pads, the fixing rod 20 is driven to ascend by the ascending push rod 26, the hinge rod 21 and the fixing rod 20 rotate to drive the top of the fixing rod 20 to rotate towards the side close to the human body, and the hinge rod 21 and the fixing rod 20 contact the human body to fix the human body.

Referring to fig. 2 to 5, the inertia buffering mechanism 53 includes an anti-inertia sliding chamber 35 located on one side of the seat cushion 15 away from the leg, an anti-inertia guide rail 37 located in the seat cushion 15 is disposed on one side of the seat cushion 35 close to the leg, an anti-inertia electric push rod 36 is slidably connected to the anti-inertia guide rail 37, and a height adjusting sliding box 19 slidably connected to the anti-inertia sliding chamber 35 is fixedly disposed on one side of the anti-inertia electric push rod 36 away from the leg, so that when a collision occurs, the anti-inertia electric push rod 36 is activated to slide in the anti-inertia guide rail 37 in the opposite direction of inertia, and drive the height adjusting sliding box 19 to move.

Referring to fig. 2 to 5 shown, waist support device 54 is still including being located the fixed waist support ring fixed block 17 that is equipped with in one side that the shank was kept away from to waist support ring 16, waist support ring slider 17 top fixed connection and with high adjustment slip box 19 top sliding connection has slide bar 18, slide bar 18 with high adjustment slip box 19 slides, can change the height of waist support ring 16 adjusts to people's waist position, be equipped with four shock attenuation gas tanks 12 of angular distribution such as equal in the waist support ring 16, shock attenuation gas tank 12 is close to human waist and link up and is equipped with shock attenuation gasbag 13, and when the occurence of failure messenger, shock attenuation gas tank 12 starts, to shock attenuation gasbag 13 aerifys in the twinkling of an eye, and this principle is the same with the air bag principle that H vding adopted, protects people's waist and can the shock attenuation.

Referring to fig. 2 to 5, the smoke warning device 55 includes a smoke compression box 38 located on one side of the height adjustment slide box 19 away from the leg, a piston 39 is located on one side of the smoke compression box 38 away from the leg, a pull rope 40 is connected between the piston 39 and the airbag cover plate 27 on one side of the leg, when the airbag is inflated, the airbag cover plate 27 on one side of the leg is pushed to rotate, the pull rope 40 is pulled, the piston 39 is pulled down by the pull rope 40, and red smoke in the smoke compression box 38 is ejected to prompt a vehicle behind.

Referring to fig. 1 to 7, the dumping supporting device 56 includes a supporting rail 34 that is opened toward a far side of the seat bar 11, a supporting push rod 33 is slidably connected in the supporting rail 34, a supporting push block 32 is hinged to a side of the supporting push rod 33 far from the seat bar 11, a spring that is initially in a compression state is fixedly disposed between the supporting push rod 33 and the supporting rail 34, an iron block sliding cavity 41 is disposed at a top of the supporting rail 34, an iron block 42 is slidably connected in the iron block sliding cavity 41 and slidably connected with the supporting push rod 33, an electromagnet 43 is fixedly disposed at a top of the iron block sliding cavity 41, an iron block spring 44 is fixedly disposed between the electromagnet 43 and the iron block 42, a supporting sliding box 45 is slidably connected at one side of the supporting push block 32, and ground gripping sliding blocks 46 that are symmetrical with respect to the supporting push block 32 are slidably connected in the supporting sliding box 45, the ground grabbing sliding blocks 46 are connected through torsion springs and are connected with a ground grabbing support 47 in the supporting sliding box 45 in a sliding mode, one side, close to the leg, of each hinged rod 21 is provided with a pressure sensor, when the electric vehicle inclines, the pressure sensors on the two hinged rods 21 detect pressure difference on two sides, the electromagnet 43 on the side with larger pressure is started to attract the iron block 42, the supporting push rod 33 slides to the side far away from the leg under the action of the elastic force of the spring between the supporting push rod 33 and the supporting guide rail 34, the supporting push block 32 pushes the two ground grabbing sliding blocks 46 to move and pushes the supporting sliding box 45 to move to the side far away from the leg, and the ground grabbing support 47 grabs the ground and supports the ground to prevent a person from directly falling on the ground.

Beneficially, be equipped with collision sensor in the electric motor car, give the gasbag valve 30 with the signal when bumping the shock attenuation gas tank 12, still be equipped with acceleration sensor in the electric motor car, when acceleration change reaches to can let the car fall down, give anti inertia electric putter 36 with the signal.

The working principle is as follows:

initially, the airbag 29 is folded and placed in the airbag cavity 28, the cushion airbag 13 is folded and placed in the waist support ring 16, the fixing rod slider 25 is located at the bottommost portion of the fixing rod chute 23, the anti-inertia electric push rod 36 is located at the central position of the anti-inertia guide rail 37, the support driving push rod 33 is located at the side of the support guide rail 34 close to the seat rod 11, the spring between the support driving push rod 33 and the support guide rail 34 is in a compressed state, and the iron block spring 44 is in a relaxed state.

When riding the bicycle, the waist protecting ring 16 is lifted upwards, the waist protecting ring 16 drives the waist protecting ring sliding block 17 to move upwards, the sliding rod 18 slides in the height adjusting sliding box 19, and a person sits on the cushion 15, puts down the waist protecting ring 16 and clamps the waist.

When a car accident happens, the inertia-resistant electric push rod 36 is started, when the person has forward inertia, the inertia-resistant electric push rod 36 moves backwards to drive the height adjusting slide box 19, the slide rod 18, the waist support ring slide block 17 and the waist support ring 16 to move backwards, when the person has backward inertia, the inertia-resistant electric push rod 36 moves forwards to drive the height adjusting slide box 19, the slide rod 18, the waist support ring slide block 17 and the waist support ring 16 to move forwards, 12 is started, 13 is instantly inflated to surround the waist to play a role in shock absorption and protection, simultaneously, the air bag valve 30 is instantly opened, the compressed air box 31 fills air into the air bag 29, the principle of the two embedded air bags is the same as that of the H-shaped airbag adopted by vding, the inflation only needs 0.08 seconds, the air bag 29 expands to push the air bag cover plate 27, the air bag 29 expands to the maximum size to wrap the upper half body and the legs of the person, the air bag cover plates 27 on the two sides push the lifting push rod 26 to move upwards, the fixed rod sliding block 25 slides in the fixed rod sliding groove 23, the ascending push rod 26 drives the fixed rod 20 and the hinged rods 21 to rotate, so that the fixed rod 20 is fixedly clamped on a human body to prevent the human body from turning over out of the cushion 15, the air bag cover plate 27 on one side close to the leg pulls the pull rope 40, the pull rope 40 pulls the piston 39 to spray red smoke in the smoke compression box 38 to remind a rear vehicle to avoid, when the human body turns over, the pressure sensors on the two hinged rods 21 detect the pressure difference on the two sides, the electromagnet 43 on the side with higher pressure is started to attract the iron block 42, the supporting push rod 33 slides towards the side far away from the leg under the action of the spring elasticity between the supporting push rod 33 and the supporting guide rail 34, the supporting push block 32 pushes the two ground grabbing sliding blocks 46 to move to push the supporting sliding box 45 to move towards the side far away from the leg, the ground grabbing bracket 47 grabs and supports, the ground-grasping support 47 can better grasp the ground and prevent a person from directly falling on the ground.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.