CN111959434A - Automobile active tightening safety belt - Google Patents
Automobile active tightening safety belt Download PDFInfo
- Publication number
- CN111959434A CN111959434A CN201910445158.2A CN201910445158A CN111959434A CN 111959434 A CN111959434 A CN 111959434A CN 201910445158 A CN201910445158 A CN 201910445158A CN 111959434 A CN111959434 A CN 111959434A
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- Prior art keywords
- safety belt
- tooth
- spring
- vertical
- sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01252—Devices other than bags
- B60R2021/01265—Seat belts
- B60R2021/01272—Belt tensioners
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R22/00—Safety belts or body harnesses in vehicles
- B60R22/34—Belt retractors, e.g. reels
- B60R22/46—Reels with means to tension the belt in an emergency by forced winding up
- B60R2022/469—Reels with means to tension the belt in an emergency by forced winding up reusable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The invention relates to an automobile active tightening safety belt, which comprises an active tightening locking retractor, an active tightening spring bolt, an electromagnetic valve, a limiting device, a relay switch, a speed measuring sensor, a vehicle speed sensor, a distance sensor, a collision sensor, an inclination sensor, a display screen and a driving computer ECU (electronic control unit), wherein when the automobile collides with a front automobile and an obstacle is about to collide, and when the automobile is turned on one side, the driving computer ECU switches a control signal to a relay switch circuit to switch on the electromagnetic valve to be electrified, an electromagnetic coil generates an electromagnetic field to contract a valve rod backwards, a compression spring is extended and shortened, the locking retractor drives the safety belt to tighten downwards, a circular tooth and a vertical tooth generate rotation to tighten the safety belt for two times at the same time, the spring bolt, a plug buckle and the safety belt are pulled downwards, the safety belt is tightened, the safety belt can be.
Description
The technical field is as follows:
the invention relates to the field of automobile accessories, in particular to an automobile safety belt;
background art:
the automobile safety belt is used for restraining drivers and passengers when the automobile collides and turns over, the safety belt installed on the existing automobile cannot be actively tightened when the automobile is collided or turned over when the automobile collides, and the bodies of the drivers and passengers are easy to tilt forward and backward and swing left and right due to the fact that the safety belt cannot be tightened in time, so that secondary damage is caused to the drivers and passengers;
the invention content is as follows:
the invention aims to solve the problems in the prior art and provide a vehicle with an automobile which can actively tighten a safety belt before collision and can be recovered after a safety belt retractor is retracted, an ECU of a driving computer is provided with safety distances corresponding to a front automobile and an obstacle according to different vehicle speeds, when the actual distance is smaller than the safety distance and the collision and the inclination angle exceed the safety, the traveling computer ECU sends a control signal to the relay switch, the relay switch circuit is switched on to be electrified, the compression spring extends, the tension spring shortens the safety belt and follows the locking retractor, the spring bolt contracts towards the bottom of the drawing box, the safety belt is tensioned, the inner teeth and the vertical teeth of the locking retractor rotate to drive the intermediate shaft to rotate, the safety belt is simultaneously wound for the second time, and drivers and passengers can be tightened on the seat by the safety belt, so that the secondary injury of the drivers and passengers caused by the loosening of the safety belt is avoided;
the object of the invention is achieved in that the active tightening of the safety belt of the motor vehicle comprises: the automatic control system comprises an active retraction locking coiler, a draw-out box, an active retraction lock tongue, a draw-out box, a safety belt, a buckle, a plug buckle, a suspension buckle, a limiting device, a traveling crane computer ECU, a speed measuring sensor, a vehicle speed sensor, a distance sensor, a collision sensor, an inclination sensor, a display screen, an electromagnetic valve, a relay switch and a voice alarm chip;
the automobile active tightening safety belt is characterized in that the safety belt penetrates through a plug buckle and a suspension buckle, one end of the safety belt is connected with an intermediate shaft in an active tightening locking coiler, the other end of the safety belt is connected with the buckle, the plug buckle is inserted into a spring bolt, the active tightening locking coiler and the buckle are installed on one side of a seat through screws, the active tightening spring bolt is installed on the other side of the seat through screws, the suspension buckle is installed above the seat in an inclined mode, an electromagnetic valve and a limiting device are installed on the active tightening locking coiler and the active tightening spring bolt through screws, the electromagnetic valve is connected with a relay switch through an electric wire, the relay switch, a speed measuring sensor, a vehicle speed sensor, a distance sensor and a collision;
the automobile actively tightens the safety belt, the actively contracting locking coiler is characterized in that the locking coiler is arranged in a drawing box, a drawing is arranged on a vertical plate of the locking coiler, a groove is arranged on the drawing box, the drawing is drawn with the groove, the drawing and the groove play a role in facilitating the vertical sliding and stabilizing of the locking coiler, one end of the safety belt is connected with a middle shaft in the locking coiler, the other end of the safety belt is connected with a buckle, a winding spring, a pawl and a circular tooth are arranged on the middle shaft, one end of the winding spring is connected with the vertical plate, when the safety belt is stretched, the winding spring is tightened, after the safety belt is inserted, the winding spring is expanded to drive the middle shaft to rotate the safety belt to be automatically tightened, a locking device is arranged below the pawl, when the safety belt is violently pulled, the locking device prevents the pawl from rotating clockwise to prevent the safety belt from loosening, one end of a tension spring is connected with a locking coiler, the other end of the tension spring is connected with a bottom plate of the drawer, a shaft hole and a limiting vertical tooth are arranged on a vertical plate of the locking coiler, a limiting device is arranged on the vertical plate of the drawer, the tooth of the limiting device extends into the space between the limiting vertical teeth, an electromagnetic valve is arranged on the vertical plate of the drawer, a valve rod extends into the shaft hole, the locking coiler is prevented from sliding towards the bottom of the drawer by the valve rod, the vertical tooth of the vertical plate opposite to the circular tooth of the drawer is arranged on the vertical plate through a screw, a pawl and the circular tooth rotate when a safety belt extends and shortens, the circular tooth is not contacted with the rear vertical tooth, two side compression springs are compressed between a panel of the drawer and the bottom plate of the locking coiler, when the electromagnetic valve is electrified, a magnetic field valve rod is generated in the electromagnetic valve and contracts, the compression spring between the bottom plate and the panel extends to push the locking coiler downwards, the safety belt is tightened twice, the limiting device limits the locking coiler to move upwards, the circular teeth and the vertical and flat teeth are meshed to prevent the intermediate shaft from rotating to loosen the safety belt, a button on the limiting device is pressed, the safety belt is pulled upwards after the internal teeth of the limiting device are contracted, the electromagnetic valve rod extends into the shaft hole, the compression spring is compressed, the tension spring is stretched, and the locking coiler is actively contracted to recover;
the automobile actively tightens the safety belt, the actively contracting spring bolt is that the spring bolt is drawn in the drawing box, the vertical plate of the spring bolt is provided with a drawer, the drawing box is provided with a groove, the drawer is drawn with the groove, the drawer and the groove play roles of facilitating the up-and-down sliding and stabilizing of the spring bolt, two sides of the bottom plate of the spring bolt are provided with compression springs, one end of each tension spring is connected with the spring bolt, the other end of each tension spring is connected with the bottom plate of the drawing box, a buckle is inserted in the spring bolt, the safety belt is connected with the buckle, the spring bolt is provided with a button for loosening the buckle, a sleeve on the buckle can rotate, the vertical plate of the spring bolt is provided with a shaft hole, the vertical plate of the drawing box is provided with a limiting device and a solenoid valve, a valve rod of the solenoid valve extends into the shaft hole, the valve rod prevents the spring bolt from sliding towards the, the spring bolt and the eye-splice slide towards the bottom of the drawer box, the safety belt is tensioned, a button on the limiting device is pressed, the safety belt is pulled upwards, the valve rod extends into the shaft hole to compress the spring, the tension spring is stretched, and the spring bolt is actively retracted to recover;
the automobile actively tightens up the safety belt, the limiting device is installed on a vertical plate of a drawing box through a screw, an inclined surface of inner teeth of the limiting device faces upwards, a plane faces downwards, a spring is installed behind the teeth, the spring pushes out the teeth, limiting vertical teeth are installed on a vertical plate of a locking retractor through the screw, when the limiting vertical teeth slide downwards along with the locking retractor, the inclined surface of the vertical teeth pushes the teeth of the limiting device to retreat backwards, when the teeth of the limiting device extend out, the tooth planes are in contact with the planes of the limiting vertical teeth to prevent the vertical teeth from ascending, when the locking retractor needs to recover upwards, a button on the limiting device is pressed, the teeth of the limiting device retract backwards, the safety belt is pulled upwards and lifted, a valve rod of;
the automobile driving computer ECU is a special automobile microcomputer controller and consists of a microprocessor (CPU), a memory (ROM, RAM), an input/output interface (I/O) analog-to-digital converter (A/D), a shaping, driving and other large-scale integrated circuits, wherein the ECU converts input signals into digital forms, carries out comparison processing according to stored reference data to calculate output values, and controls a plurality of adjusting servo elements, such as relay switches, by amplifying the output signals through power;
the distance sensor adopts a double-pulse laser ranging sensor to measure the actual distance between the vehicle and the front vehicle or the obstacle, and transmits the measured data to the driving computer ECU;
the vehicle speed sensor is used for measuring the running speed of the vehicle and transmitting the measured data to the running computer ECU;
the speed measuring sensor is used for measuring the running speed of a front vehicle and transmitting measured data to the running computer ECU;
the method comprises the following steps that safe distances corresponding to a front running automobile and a barrier are preset by a running computer ECU, the safe distances are determined by the running computer ECU according to the speed measured by a speed sensor and the running speed of the front automobile measured by a speed measuring sensor, the actual distance between the automobile and the front automobile or the barrier measured by the distance sensor is compared with the safe distances, when the actual distance is smaller than the safe distances, the running computer ECU sends a control signal to a relay switch, a relay switch circuit is connected with an electromagnetic valve to be electrified, and the distance sensor and the speed measuring sensor are installed right in front of the automobile;
the collision sensor detects the collision intensity signal of the automobile when the automobile collides and transmits the signal to the traveling crane computer ECU, the traveling crane computer ECU is provided with collision intensity safety data in advance, the traveling crane computer ECU compares the collision intensity signal of the automobile detected by the collision sensor, when the actual collision data is larger than the safety collision data, a control signal is sent to the relay switch, and a relay switch circuit is connected with the electromagnetic valve for electrifying;
the inclination sensor adopts a three-axis output inclination sensor, when the automobile inclines, the inclination sensor inputs data into the traveling crane computer ECU, the traveling crane computer ECU is preset with safe inclination angle data, the traveling crane computer ECU compares the data according to an automobile inclination angle signal detected by the inclination sensor, when the actual inclination angle is larger than the safe inclination angle data, a control signal is sent to the relay switch, and a relay switch circuit is connected with the electromagnetic valve for electrifying;
the display screen is arranged on the automobile console and connected with the driving computer ECU, the actual distance between the automobile and the front vehicle or the obstacle is displayed on the display screen, the real-time speed of the automobile is displayed, the loudspeaker is arranged on the display screen, when the distance between the automobile and the front vehicle or the obstacle reaches 10 meters, the driving computer ECU sends an alarm signal to the voice alarm chip, and the loudspeaker sends out an alarm sound to remind a driver of decelerating or braking;
the electromagnetic valve consists of an electromagnetic coil, a valve rod, a spring and a solid iron core, when the electromagnetic valve is electrified, the electromagnetic coil generates an electromagnetic field, the valve rod contracts backwards, and when the electromagnetic coil is not electrified, the spring ejects the valve rod;
the relay switch is an electronic control device, which is provided with a control system and a controlled system, and plays the aims of conducting and cutting off in a circuit, when the relay switch is electrified, a circuit is connected, and when the relay switch is not electrified, the circuit is disconnected;
when a traveling computer ECU sends a control signal to a relay switch, a relay switch circuit is switched on to be electrified, a valve rod retracts backwards to automatically retract, a compression spring on a locking retractor extends, a tension spring shortens, a safety belt slides downwards along with the locking retractor to be tightened, meanwhile, a circular tooth rotates downwards and a vertical tooth to drive an intermediate shaft to rotate, the safety belt is tightened twice at the same time, the compression spring on a spring bolt retracts actively to extend, the tension spring shortens, a spring bolt, a buckle and the safety belt slide downwards to be tightened, teeth of a limiting device extend out to prevent the locking retractor, and the spring bolt moves upwards to loosen the safety belt;
the safety belt is reasonable and simple in structure and easy to produce and manufacture, when an automobile and a front automobile collide with each other and turn on one's side, drivers and passengers are tightened on the seat by actively tightening the safety belt, and secondary damage to the drivers and passengers due to loosening of the safety belt is avoided.
Drawings
FIG. 1 is a schematic view of the harness of the present invention;
fig. 2 is a schematic structural view of a locking retractor of the present invention;
FIG. 3 is a schematic view of the drawing box structure of the present invention;
fig. 4 is a schematic view of a seat belt tightening structure of the present invention;
FIG. 5 is a schematic diagram of a retraction structure of an active retraction locking retractor according to the present invention;
FIG. 6 is a schematic structural diagram of an active retraction locking retractor according to the present invention;
fig. 7 is a schematic view of the locking tongue structure of the present invention;
FIG. 8 is a schematic view of the drawer structure of the present invention;
FIG. 9 is a schematic view of the actively retracting latch of the present invention;
FIG. 10 is a schematic view of the actively retracting latch bolt retracting mechanism of the present invention;
FIG. 11 is a schematic view of the structure of the position limiting device of the present invention;
FIG. 12 is a schematic view of the structure of the position limiting device of the present invention;
FIG. 13 is a schematic view of a valve stem constriction of the present invention;
FIG. 14 is a schematic view of a solenoid valve according to the present invention;
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
The automobile actively tightens up safety belt, including 101 active contraction locking retractors, 102 locking retractors, 103 drawer boxes, 104 active contraction lock bolts, 105 lock bolts, 106 drawer boxes, 107 eye-splices, 108 buckles, 109 suspension buckles, 110 safety belt, 111 pipe, 112 pipe, 102 locking retractors include: 201 panel, 202 riser, 203 side riser, 204 side riser, 205 bottom plate, 206 jackshaft, 207 scallops, 208 pawls, 209 locking means, 210 curly spring, 211 shaft hole, 212 spacing vertical teeth, 213 take out, 214 round pin, 215 extension springs, 216 compression spring, 217 compression spring, 103 take out the box and include: 219 panel, 220 bottom plate, 221 riser, 222 riser, 223 vertical tooth, 224 groove, 225 button, 226 stop, 227 tooth, 228 spring, 105 spring bolt include: 301 riser, 302 panels, 303 bottom plate, 304 buttons, 305 shaft holes, 306 spacing vertical teeth, 307 fixed pin, 308 extension spring, 309 compression spring, 310 compression spring, 311 take out, 312 groove, 106 draw out the box and include: 313 panel, 314 riser, 315 bottom plate, 316 stop device, 317 button, 318 tooth, 319 spring, 401 driving computer ECU, 402 relay switch, 403 solenoid valve, 404 solenoid valve, 405 distance sensor, 406 collision sensor, 407 slope sensor, 408 display screen, 409 tacho sensor, 410 speed sensor, the 403 solenoid valve includes: the 411 valve rod, 412 solenoid, 413 plunger, 414 spring, 404 solenoid valve includes: 415 valve stem, 416 electromagnetic coil, 417 plunger, 418 spring;
the automobile active tightening safety belt comprises a 101 active contraction locking retractor, a 104 active contraction locking bolt, one end of a 110 safety belt is connected with an intermediate shaft in the 101 active contraction locking retractor 206, one end of the 110 safety belt is connected with a 108 buckle, a 107 eye-splice and a 109 suspension buckle penetrate through the 110 safety belt, a 111 pipe and a 112 pipe CAN rotate, the 107 eye-splice is inserted in the 104 active contraction locking bolt, a 403 electromagnetic valve and a 226 limiting device are arranged on a 103 drawing box through screws, a 404 electromagnetic valve and a 316 limiting device are arranged on a 106 drawing box through screws, the 403 electromagnetic valve and the 404 electromagnetic valve are connected with a 402 relay switch through electric wires, the 402 relay switch, a 405 distance sensor 406, a collision sensor, a 407 inclination sensor, a 408 display screen, a 409 speed sensor and a 410 speed sensor are connected with a running computer;
the automobile actively tightens the safety belt, the 101 actively contracting and locking retractor is that a 102 locking retractor is installed in a 103 drawing box, a plurality of 213 drawing and 224 grooves are installed on the 102 locking retractor and the 103 drawing box, the drawing and the groove drawing are combined to play a role of facilitating the 102 locking retractor to slide up and down and stabilizing, one end of the 110 safety belt is connected with a 206 middle shaft in the 102 locking retractor, one end of the 110 safety belt is connected with a 108 buckle, a 210 coiling spring, a 208 pawl and a 207 circular tooth are installed on the 206 middle shaft of the 102 locking retractor, the other end of the 210 coiling spring is connected with a 204 vertical plate, the 210 coiling spring tightens when the 110 safety belt is stretched, the 210 coiling spring expands to drive the 206 middle shaft to rotate anticlockwise to automatically tighten the 110 safety belt after the 110 safety belt is inserted, a 209 locking device is installed below a 208 pawl, when the 110 safety belt is pulled violently, the 209 locking device is lifted on an inner spherical rolling claw of, the 207 round teeth are parallel teeth, two ends of a 206 middle shaft are arranged on a 203 vertical plate and a 204 vertical plate and can rotate, two sides of a 205 bottom plate are provided with a 216 compression spring and a 217 compression spring, a 214 pin is arranged above the 202 vertical plate, one end of a 215 tension spring is connected with the 214 pin, one end of the 215 tension spring is connected with a 220 bottom plate, a 211 shaft hole is arranged on the 202 vertical plate, 212 limit vertical teeth are arranged on the 202 vertical plate through screws, a 403 electromagnetic valve and a 226 limit device are arranged on a 221 vertical plate through screws, 227 teeth extend into between 212 limit vertical teeth, a 411 valve rod extends into the 211 shaft hole, the 411 valve rod prevents 102 locking retractor from sliding towards the bottom of a 103 drawing box, a 223 vertical tooth is arranged on the 222 vertical plate opposite to 207 round teeth, 208 pawls and 207 round teeth rotate when a 110 safety belt is extended and shortened, 207, the 207 round teeth and 223 vertical teeth rotate, and the two sides 216 and 217 compress the springs and are compressed between the 219 panel and the 205 bottom plate;
the automobile actively tightens the safety belt, 104 actively shrinks the lock tongue to be 105 lock tongues which are drawn in 106 drawing boxes, 311 drawing and 312 drawing boxes are arranged on 105 lock tongues and 106 drawing boxes, drawing and groove drawing are used for facilitating the 105 lock tongues to slide up and down and stabilizing in 106 drawing boxes, 309 compression springs and 310 compression springs are arranged on 303 bottom plates, 307 pins are arranged above 301 vertical plates, 308 tension springs are connected with 307 pins at one end, one end is connected with 315 bottom plates, a 305 shaft hole is arranged on 301 vertical plates, 107 buckles are inserted in 105 lock tongues, 110 safety belts are threaded on 107 buckles, 112 pipes can rotate, springs and clamping pins are arranged in 105 lock tongues, 304 buttons are arranged on 105 lock tongues, the 107 buckles can be popped out from 105 lock tongues by pressing 304 buttons, 306 limiting vertical teeth are arranged on 301 vertical plates through screws, 404 electromagnetic valves and 316 limiting devices are arranged on 314 vertical plates through screws, 415 valve rods extend into 305 shaft holes, 415 valve rods prevent 105 lock tongues from sliding towards the bottom of 106 drawing boxes, 318 teeth extend between the 306 limit vertical teeth, and 309 compression springs and 310 compression springs are compressed between 313 panels and 303 bottom plates;
the automobile actively tightens the safety belt, the 401 driving computer is a special microcomputer controller for the automobile and consists of a microprocessor (CPU), a memory (ROM, RAM), an input/output interface (I/O) analog-to-digital converter (A/D), a shaping, driving and other large-scale integrated circuits, the ECU converts an input signal into a digital form, carries out comparison processing according to stored reference data, calculates an output value, and controls a plurality of adjusting servo elements such as a relay, a switch and the like by amplifying the output signal through power;
the 402 relay switch is an electronic control device, which is provided with a control system and a controlled system, and has the purposes of conducting and cutting off in a circuit, wherein when the relay switch is electrified, a circuit is connected, and when the relay switch is not electrified, the circuit is disconnected;
when the 403 electromagnetic valve is not electrified, the 414 spring pushes out the 411 valve rod, when the electromagnetic valve is electrified, the 412 electromagnetic coil generates an electromagnetic field to suck the 411 valve rod backwards, and the 403 electromagnetic valve and the 404 electromagnetic valve have the same structural principle;
the 405 distance sensor adopts a double-pulse laser ranging sensor to measure the actual distance between the vehicle and the front vehicle or the obstacle, and transmits the measured data to the driving computer ECU;
the 406 collision sensor is used for detecting the collision strength signal of the automobile when the automobile collides and transmitting the signal to the driving computer ECU;
the 407 inclination sensor is an inclination sensor which outputs three axes, and when the automobile is inclined, the inclination sensor inputs data into an ECU (electronic control unit) in a traveling crane computer;
the 408 display screen displays the actual distance between the vehicle and the vehicle or the obstacle in front and displays the real-time speed of the vehicle, the loudspeaker is arranged on the display screen, when the distance between the vehicle and the vehicle or the obstacle in front reaches 10 m, the driving computer ECU sends an alarm signal to the voice alarm chip, the loudspeaker sends out an alarm sound to remind a driver of decelerating or braking, and the 408 display screen is arranged on the vehicle control console;
the 409 speed measuring sensor is used for measuring the running speed of the front vehicle and transmitting the measured data to the driving computer ECU, and the distance sensor and the speed measuring sensor are arranged right in front of the vehicle;
the 410 vehicle speed sensor measures the running speed of the vehicle and transmits the measured data to the running computer ECU;
the 401 driving computer ECU is preset with safe distances corresponding to different vehicle speeds and a front driving vehicle and an obstacle, determines the corresponding safe distance according to the vehicle speed measured by a vehicle speed sensor and the driving speed of the front vehicle measured by a speed measuring sensor, compares the actual distance between the vehicle and the front vehicle or the obstacle measured by a distance sensor with the safe distance, and sends a control signal to a relay switch when the actual distance is less than the safe distance, and a relay switch circuit is connected with an electromagnetic valve for electrification;
the 401 driving computer ECU is pre-provided with collision strength safety signal data, the driving computer ECU compares the collision strength signals of the automobiles detected by the collision sensors, and sends a control signal to the relay switch when the actual collision data is larger than the safety collision strength signal data, and the relay switch circuit is connected with the electromagnetic valve to be electrified;
the 401 driving computer ECU is preset with safe inclination angle signal data, the driving computer ECU compares the automobile inclination angle signals detected by the inclination sensor, when the actual inclination angle is larger than the safe inclination angle signal data, a control signal is sent to a relay switch, and a relay switch circuit is connected with an electromagnetic valve to be electrified;
the 226 limiting device for actively tightening the safety belt of the automobile consists of 212 limiting vertical teeth, 225 buttons, 227 teeth and 228 springs, wherein the teeth of the 212 limiting vertical teeth face downwards in an inclined plane, the plane faces upwards, the inclined plane of the 227 teeth face upwards, the plane faces downwards, the 228 springs are arranged behind the 227 teeth, the 228 springs push out the 227 teeth, when the 212 limiting vertical teeth slide downwards along with the 102 locking retractor, the 212 limiting vertical teeth push the 227 teeth to retreat backwards, when the 110 safety belt is tightened, the 228 springs push out the 227 teeth to prevent the 102 locking retractor from sliding upwards, and the 226 limiting device and the 316 limiting device have the same structure principle;
when a 401 driving computer ECU sends a control signal to a 402 relay switch, a relay switch circuit is connected to energize a 402 electromagnetic valve and a 403 electromagnetic valve, a 412 electromagnetic coil generates an electromagnetic field to suck and contract a 411 valve rod backwards, a 216 compression spring and a 217 compression spring extend, a 215 tension spring shortens 102, a 102 locking retractor slides downwards to drive a 110 safety belt to be tensioned downwards, a 207 circular tooth downwards and a 223 vertical tooth generate rotation to drive a 206 middle shaft to rotate anticlockwise, the safety belt is tightened twice at the same time, when the 102 locking retractor slides downwards, a 212 limiting vertical tooth pushes a 227 tooth backwards, when the 110 safety belt is tightened, a 228 spring pushes the 227 tooth to prevent the 102 locking retractor from sliding upwards, the 207 circular tooth is meshed with the 223 vertical tooth to prevent the 206 middle shaft from rotating the safety belt to loosen backwards, an 416 electromagnetic coil generates an electromagnetic field to suck and contract the 415 valve rod backwards, and 309 compression spring and a 310 compression spring, 308, the tension spring shortens 105, the bolt slides towards the bottom of the 106 drawer, 306 limit vertical teeth push 318 teeth backwards, 105 bolts, 107 buckles and 110 safety belts are pulled downwards, 110 safety belts are tensioned, 319 springs push 318 teeth out to prevent 102 from locking the retractor to slide upwards;
the automobile actively tightens the safety belt and restores, after pressing a 225 button, 227 teeth in a 226 limiting device are contracted, 110 safety belt is slightly pulled upwards, 207 circular teeth rotate clockwise, 102 locking retractor is upward, 411 valve rod is extended into 211 shaft hole, two sides 216 compression springs 217 are compressed between 219 panel and 205 bottom plate, 215 tension spring is extended, actively contracting locking retractor restores, pressing 317 button, after 318 teeth in 316 limiting device are contracted, 110 safety belt is pulled upwards, 105 bolt is upward, 415 valve rod is extended into 305 shaft hole, two sides 309 compression springs 310 are compressed between 313 panel and 305 bottom plate, 308 tension spring is extended, active contracting bolt restores, and the actively tightens the safety belt and can be reused;
the invention has reasonable structure and advanced and scientific method, and when the automobile and the front automobile collide with each other, the driver and the passengers can be actively tightened on the seat by the safety belt when the automobile and the front automobile turn over, thereby avoiding secondary damage of the driver and the passengers caused by the loosening of the safety belt;
it is understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications and substitutions within the scope of the present invention.
Claims (8)
1. An automobile active tightening safety belt is characterized by comprising an active contraction locking retractor (101), a locking retractor (102), a drawer box (103), an active contraction locking bolt (104), a locking bolt (105), a drawer box (106), a buckle (107), a buckle (108), a suspension buckle (109), a safety belt (110), a pipe (111), a pipe (112), a panel (201), a vertical plate (202), a lateral plate (203), a lateral plate (204), a bottom plate (205), an intermediate shaft (206), a circular tooth (207), a pawl (208), a locking device (209), a coiled spring (210), a shaft hole (211), a limiting vertical tooth (212), a drawer (213), a pin (214), a tension spring (215), a compression spring (216), a compression spring (217), a panel (219), a bottom plate (220), a vertical plate (221), a vertical plate (222), a vertical tooth (223), a groove (224) and a button (225), a limiting device (226), teeth (227), a spring (228), a vertical plate (301), a panel (302), a bottom plate (303), a button (304), a shaft hole (305), a limiting vertical tooth (306), a pin (307), a tension spring (308), a compression spring (309), a compression spring (310), a drawer (311), a groove (312), a panel (313), a vertical plate (314), a bottom plate (315), a limiting device (316), a button (317), teeth (318), a spring (319), a traveling crane computer ECU (401), a relay switch (402), an electromagnetic valve (403), an electromagnetic valve (404), a distance sensor (405), a collision sensor (406), an inclination sensor (407), a display screen (408), a speed sensor (409), a vehicle speed sensor (410), a valve rod (411), an electromagnetic coil (412), a fixed iron core (413), a spring (414), a valve rod (415), an electromagnetic coil (416), the automobile active tightening safety belt comprises a fixed iron core (417), a spring (418), wherein one end of the automobile active tightening safety belt is connected with an intermediate shaft (206) in an active tightening locking retractor (101), one end of the automobile active tightening safety belt is connected with a buckle (108), a plug buckle (107) and a suspension buckle (109) are arranged on the safety belt (110), the plug buckle (107) is inserted into an active tightening lock tongue (104), an electromagnetic valve (403) and a limiting device (226) are installed on the active tightening locking retractor (101), an electromagnetic valve (404) and a limiting device (316) are installed on the active tightening lock tongue (104), an electromagnetic valve (403), an electromagnetic valve (404) is connected with a relay switch (402), the relay switch (402), a distance sensor (405), a 406, a collision sensor, an inclination sensor (407), a display screen (408), a speed measurement sensor (409) and a vehicle speed sensor are connected with a computer ECU through a CAN bus.
2. The automobile active tightening safety belt according to claim 1, characterized in that the active retraction locking retractor (101) is a locking retractor (102) installed in a drawer (103), a plurality of drawers (213) and grooves (224) are installed on the locking retractor (102) and the drawer (103), the safety belt (110) is connected with an intermediate shaft (206) in the locking retractor (102), a winding spring (210), a pawl (208) and a circular tooth (207) are installed on the intermediate shaft (206) of the locking retractor (102), a locking device (209) is installed below the pawl (208), the circular tooth (207) is parallel teeth, two ends of the intermediate shaft (206) are installed on a riser (203) and a riser (204) and can rotate, one end of a tension spring (215) is connected with a pin (214), the pin (214) is installed on the locking retractor (102), one end is connected with a bottom plate (220) of the drawer (103), a shaft hole (211) is formed in the riser (202), install spacing vertical tooth (212) on riser (202), stop device (226) are installed on drawer box (103) riser (221), tooth (227) stretch into between the spacing vertical tooth (212), install solenoid valve (403) on drawer box (103) riser (221), valve rod (411) stretch into in locking coiler (102) riser (202) shaft hole (211), drawer box (103) riser (222) are to living round tooth (207) and are installed vertical tooth (223), pawl (208) and round tooth (207) rotate when safety belt (110) extension shortens, round tooth (207) do not contact with vertical tooth (223), both sides compression spring (216) compression spring (217) compress between panel (219) and bottom plate (205).
3. The automobile active tightening safety belt according to claim 1, characterized in that the active tightening lock tongue (104) is formed by drawing a lock tongue (105) into a draw box (106), a plurality of drawers (311) and grooves (312) are arranged on the lock tongue (105) and the draw box (106), one end of a tension spring (308) is connected with a pin (307), the pin (307) is arranged on the lock tongue (105), one end of the pin is connected with a bottom plate (315), a shaft hole (305) is arranged on a vertical plate (301) of the lock tongue (105), a plug buckle (107) is inserted into the lock tongue (105), the safety belt (110) is threaded on the plug buckle (107), a button (304) is arranged on the lock tongue (105), a limiting device (316) and a solenoid valve (404) are arranged on a vertical plate (314) of the draw box (106), and a valve rod (415) extends into the shaft hole (305), the compression spring (309) and the compression spring (310) are compressed between the panel (313) of the drawer (106) and the bottom plate (303) of the bolt (105).
4. The active tightening of the safety belt according to claim 1, wherein the active tightening of the safety belt (110) is realized by presetting a safety distance corresponding to a vehicle speed and a vehicle ahead and an obstacle at different vehicle speeds by a vehicle computer ECU (401), determining the corresponding safety distance by the vehicle computer ECU (401) according to the vehicle speed measured by a vehicle speed sensor (410) and the vehicle speed measured by a speed sensor (409), comparing an actual distance between the vehicle ahead and the vehicle ahead or the obstacle measured by a distance sensor (405) with the safety distance, and when the actual distance is less than the safety distance, sending a control signal to a relay switch (402) by the vehicle computer ECU (401) to switch on a solenoid valve (403) and a solenoid valve (404), generating a magnetic field in the solenoid valve, retracting a valve rod (411) backwards, retracting the valve rod (415), and extending a compression spring (216) and a compression spring (217), the tension spring (215) shortens the locking retractor (102) to slide downwards to drive the safety belt (110) to be tensioned downwards, the circular teeth (207) rotate downwards with the vertical teeth (223) to drive the intermediate shaft (206) to rotate anticlockwise, the safety belt is tightened twice at the same time, when the locking retractor (102) slides downwards, the vertical teeth (223) push the teeth (227) backwards, when the safety belt (110) is tightened, the spring (228) pushes the teeth (227) out to prevent the locking retractor (102) from sliding upwards, the circular teeth (207) are meshed with the vertical teeth (223) to prevent the middle shaft from rotating to loosen the safety belt, the compression spring (309) and the compression spring (310) stretch, the tension spring (308) shortens the bolt (105) and slides towards the bottom of the drawer box (106), the latch (107) and the safety belt (110) are pulled downwards, the spring (319) pushes the teeth (318) out to prevent the bolt (105) from sliding upwards, and the safety belt (110) is tightened.
5. The active tightening of the safety belt according to claim 1 and claim 4, wherein the active tightening of the safety belt (110) is realized by presetting crash intensity safety signal data by the driving computer ECU (401), comparing the crash intensity safety signal data by the driving computer ECU (401) according to the vehicle crash intensity signals detected by the crash sensor (406), and sending a control signal to the relay switch (402) to switch on the electromagnetic valve (403) and the electromagnetic valve (404) when the actual crash data is larger than the crash intensity safety signal data, so that the safety belt (110) is actively tightened.
6. The active tightening of the safety belt according to claim 1 and claim 4, wherein the active tightening of the safety belt (110) is performed by presetting safe inclination angle signal data by the computer control unit (ECU) (401), comparing the safe inclination angle signal data by the computer control unit (ECU) according to the automobile inclination angle signal detected by the inclination sensor (407), and sending a control signal to the relay switch (402) to switch on the electromagnetic valve (403) and the electromagnetic valve (404) when the actual inclination angle is larger than the safe inclination angle signal data, so that the safety belt (110) is actively tightened.
7. The active tightening safety belt according to claim 1, wherein the limiting device (226) is composed of a vertical limiting tooth (212), a button (225), a tooth (227) and a spring (228), the inclined plane of the vertical limiting tooth (212) faces downwards, the plane faces upwards, the inclined plane of the tooth (227) faces upwards, the plane faces downwards, the spring (228) is arranged behind the tooth (227), the spring (228) pushes out the tooth (227), when the vertical limiting tooth (212) slides downwards along with the locking retractor (102), the vertical limiting tooth (212) pushes the tooth (227) to retract backwards, and when the safety belt (110) is tightened, the spring (228) pushes out the tooth (227) to prevent the locking retractor (102) from sliding upwards.
8. The active tightening safety belt of claim 1, wherein the insert buckle (107) and the hanging buckle (109) are provided, the upper pipe (111) of the insert buckle (107) is rotatable, and the upper pipe (112) of the hanging buckle (109) is rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445158.2A CN111959434A (en) | 2019-05-20 | 2019-05-20 | Automobile active tightening safety belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910445158.2A CN111959434A (en) | 2019-05-20 | 2019-05-20 | Automobile active tightening safety belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111959434A true CN111959434A (en) | 2020-11-20 |
Family
ID=73358315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910445158.2A Withdrawn CN111959434A (en) | 2019-05-20 | 2019-05-20 | Automobile active tightening safety belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111959434A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559896A (en) * | 2022-03-24 | 2022-05-31 | 安徽工程大学 | Intelligent driving automobile auxiliary system |
| CN115635893A (en) * | 2021-07-18 | 2023-01-24 | 宗春成 | Active retractable automobile seat |
| CN115703427A (en) * | 2021-08-07 | 2023-02-17 | 宗春成 | Actively tightening automobile safety belt |
-
2019
- 2019-05-20 CN CN201910445158.2A patent/CN111959434A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115635893A (en) * | 2021-07-18 | 2023-01-24 | 宗春成 | Active retractable automobile seat |
| CN115703427A (en) * | 2021-08-07 | 2023-02-17 | 宗春成 | Actively tightening automobile safety belt |
| CN114559896A (en) * | 2022-03-24 | 2022-05-31 | 安徽工程大学 | Intelligent driving automobile auxiliary system |
| CN114559896B (en) * | 2022-03-24 | 2023-05-05 | 安徽工程大学 | Intelligent driving automobile auxiliary system |
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Application publication date: 20201120 |