CN218805697U

CN218805697U - Automatic automobile safety belt stretching system

Info

Publication number: CN218805697U
Application number: CN202223496170.2U
Authority: CN
Inventors: 夏秋; 管宇; 潘耀辉; 檀林稳
Original assignee: Chuzhou University
Current assignee: Chuzhou University
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-07
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses an automatic stretching system of car blet, seat (1) one side is equipped with safety belt (2) that the cooperation was used, safety belt (2) are pulled out from the coiler, are equipped with the tensile force sensor of measurement safety belt in the coiler, and seat (1) one side is equipped with and locks hasp (4) that tongue (21) cooperation was used, its characterized in that with safety belt (2): a pressure sensor for detecting the pressure on the seat is arranged in the seat (1), the pressure sensor is electrically connected to the controller, and a stretching mechanism for stretching out a locking tongue (21) on the safety belt (2) is arranged on one side of the seat (1) where the safety belt (2) is located; the utility model discloses both effectual reduced the action intensity that the driver was fastened the safety belt, promoted modernization level and people's trip efficiency, solved on still the degree of journey that people forget and fasten the safety belt, do not fasten the problem of safety belt, occupation space is less simultaneously.

Description

Automatic automobile safety belt stretching system

Technical Field

The utility model relates to a car blet's technical field, concretely relates to car blet is automatic to be stretched out system.

Background

The invention relates to an automobile safety belt, in particular to a device for ensuring that a passenger and a driver are prevented from being injured by an air bag when the automobile body is violently hit, the device plays a role in restraining displacement and buffering, the existing research and invention about an automatic extending system of the automobile safety belt, such as a module nested automatic safety belt, can realize the extending of a module from inside to outside, and the safety belt can extend along with the module.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic system of stretching out of car blet to overcome the above-mentioned defect among the prior art.

The utility model provides an automatic system that stretches out of car safety belt, includes the seat, and seat one side is equipped with the safety belt that the cooperation was used, the safety belt is pulled out from the coiler, is equipped with the tensile force sensor of measuring the safety belt in the coiler, and seat one side is equipped with the hasp that uses with the cooperation of spring bolt on the safety belt, and the seat is inside to be equipped with the pressure sensors who is used for detecting pressure on the seat, and pressure sensors electric connection is to the controller, and the seat is equipped with in one side at the safety belt place and is used for the mechanism that stretches out of spring bolt on the safety belt.

Preferably, the extension mechanism comprises a first section of telescopic arm and a third section of telescopic arm, the lower end of the first section of telescopic arm is arranged in the vehicle body, a second section of telescopic arm is connected to the first section of telescopic arm in a sliding mode, a first motor is installed on the first section of telescopic arm, a first gear meshed with a first arc rack on the outer side of the second section of telescopic arm is installed on an output shaft of the first motor, the third section of telescopic arm is connected to the second section of telescopic arm in a sliding mode, a second motor is installed on the second section of telescopic arm, a second gear meshed with a second arc rack on the outer side of the third section of telescopic arm is installed on an output shaft of the second motor, a fourth section of telescopic arm is connected to the third section of telescopic arm in a sliding mode, a third motor is installed on the third section of telescopic arm, and a third gear meshed with a third arc rack on the outer side of the fourth section of telescopic arm is installed on an output shaft of the third motor.

Preferably, an electromagnet is arranged in the fourth section of telescopic arm, and a magnet adsorbed with the electromagnet is arranged in the lock tongue.

Preferably, the side wall of the second section of telescopic arm is provided with a side sliding strip, the outer end of the side sliding strip is connected to the first section of telescopic arm in a sliding manner, and the inner end of the side sliding strip is connected to the third section of telescopic arm in a sliding manner.

Preferably, a top sliding strip at the top of the fourth section of telescopic arm is connected to the third section of telescopic arm in a sliding manner.

The utility model has the advantages of as follows:

the utility model discloses when using, this product has realized the automatic function of stretching out of safety belt, sends the safety belt to driver's health front side, has played the effect of forcing the warning, both effectually has reduced the action intensity that the driver was fastened the safety belt, has promoted modernization level and people's trip efficiency, has solved people on the degree of planning again and has forgotten to fasten the safety belt, not fasten the problem of safety belt, and occupation space is less simultaneously.

Drawings

Fig. 1 is a schematic view of the whole structure of the present invention.

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

Fig. 3 is a schematic structural view of the first section of telescopic boom and the second section of telescopic boom of the present invention.

Fig. 4 is a schematic structural diagram of the initial state of the present invention.

Wherein: 1. seat, 2, safety belt, 21, spring bolt, 3, reach out the mechanism, 31, the flexible arm of first festival, 311, first motor, 312, gear one, 32, the flexible arm of second festival, 321, arc rack one, 322, the second motor, 323, gear two, 324, the strip that sideslips, 33, the flexible arm of third festival, 331, arc rack two, 332, the third motor, 333, gear three, 34, the flexible of fourth festival, 341, arc rack three, 342, top draw runner, 4, hasp.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the concept and technical solution of the present invention by those skilled in the art.

As shown in fig. 1-4, the utility model provides an automatic stretching system of car safety belt, including seat 1, seat 1 one side is equipped with the safety belt 2 that the cooperation was used, safety belt 2 is pulled out from the coiler, is equipped with the tensile force sensor of measurement safety belt in the coiler, and seat 1 one side is equipped with the hasp 4 that uses with the cooperation of spring bolt 21 on the safety belt 2, and its seat 1 is inside to be equipped with the pressure sensors who is used for detecting seat upper pressure, and pressure sensors electric connection is to the controller, and seat 1 is equipped with the mechanism that stretches out that is used for spring bolt 21 on the safety belt 2 to stretch out in the one side at safety belt 2 place.

It should be noted that the extension mechanism 3 includes a first section of telescopic arm 31 and a third telescopic arm 33, the lower end of the first section of telescopic arm 31 is arranged in the vehicle body, a second section of telescopic arm 32 is connected in the first section of telescopic arm 31 in a sliding manner, a first motor 311 is installed on the first section of telescopic arm 31, a first gear 312 engaged with a first arc rack 321 outside the second section of telescopic arm 32 is installed on an output shaft of the first motor 311, a third section of telescopic arm 33 is connected in the second section of telescopic arm 32 in a sliding manner, a second motor 322 is installed on the second section of telescopic arm 32, a second gear 323 engaged with a second arc rack 331 outside the third section of telescopic arm 33 is installed on an output shaft of the second motor 322, a fourth section of telescopic arm 34 is connected in the third section of telescopic arm 33 in a sliding manner, a third motor 332 is installed on the third section of telescopic arm 33, and a third gear 333 engaged with a third arc rack 341 outside the fourth section of telescopic arm 34 is installed on an output shaft of the third motor 332.

In addition, an electromagnet is arranged in the fourth section of telescopic arm 34, and a magnet adsorbed with the electromagnet is arranged in the bolt 21.

In addition, be equipped with side slide bar 324 on the flexible arm 32 lateral wall of second section, the outer end sliding connection of side slide bar 324 is on first section flexible arm 31, and the inner sliding connection of side slide bar 324 is on third section flexible arm 33.

It is noted that the top slide bar 342 at the top of the fourth telescopic arm 34 is slidably connected to the third telescopic arm 33.

The specific implementation mode and principle are as follows:

the utility model discloses when in practical application, the user sits on seat 1, pressure sensor in seat 1 detects the size of pressure, when reaching the threshold value of settlement, reach extension mechanism 3 and then start, controller control first motor 311 promptly, second motor 322 and third motor 332 are opened in proper order, first motor 311 epaxial gear 312 of output drives second festival telescopic boom 32 through arc rack one 321 of second festival telescopic boom 32 side and stretches out from first festival telescopic boom 31, then second motor 322 epaxial gear two 323 of output drives third festival telescopic boom 33 through arc rack two 331 of third festival telescopic boom 33 side and stretches out from second festival telescopic boom 32, then gear three 333 of third motor 332 epaxial gear drives fourth festival telescopic boom 34 and stretches out from third festival telescopic boom 33, when each festival telescopic boom stretches out to the direction that is close to vice instrument desk from taking advantage of people's belly top bending to stretching out, conveniently stretch out mechanism 3 and safety belt 21 are being in the safety belt traction reaches the front of tongue 21 and gets to the front of the telescopic boom of the safety belt drawing person, the telescopic boom 34 gets close to the telescopic boom of the telescopic boom 21 in the pull of the telescopic boom 21 pull, the telescopic boom of the telescopic boom 21, the pull of the front of the telescopic boom can be close to the flexible telescopic boom 21 pull back the pull power off, the telescopic boom. If the passenger does not pull the bolt 21 all the time, the safety belt 2 extending mechanism does not retract all the time, and the passenger is reminded to insert the bolt 21 into the buckle 4 to finish the operation of fastening the safety belt 2. When a passenger intends to unfasten the safety belt 2, the passenger only needs to press the buckle 4 as the operation of unfastening the safety belt 2 generally, the lock tongue 21 is popped out from the buckle 4, the safety belt 2 is retracted by the retractor, meanwhile, the tension sensor detects that the tension is gradually reduced to zero, the electrified coil in the fourth section of telescopic arm 34 is electrified again, the lock tongue 21 naturally slides off the safety belt 2 and is attracted by the fourth section of telescopic arm 34 to be captured and returned to the initial state again.

To sum up, the utility model discloses an automatic function of stretching out of safety belt sends the safety belt to driver's health front side, has played the effect of forcing the warning, both effectually has reduced the action intensity that the driver was fastened the safety belt, has promoted modernization level and people's trip efficiency, has solved on a certain journey degree again that people forget the problem of fastening the safety belt, not fastening the safety belt, and occupation space is less simultaneously.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.

Claims

1. The utility model provides an automatic stretching system of car blet, includes seat (1), and seat (1) one side is equipped with safety belt (2) that the cooperation was used, safety belt (2) are pulled out from the coiler, are equipped with the tension sensor who measures the safety belt pulling force in the coiler, and seat (1) one side is equipped with hasp (4) that use with the cooperation of safety belt (2) locking tongue (21), its characterized in that: the safety belt device comprises a seat (1), wherein a pressure sensor used for detecting pressure on the seat is arranged in the seat (1), the pressure sensor is electrically connected to a controller, and a stretching mechanism used for stretching out a locking tongue (21) on the safety belt (2) is arranged on one side of the seat (1) where the safety belt (2) is located.

2. The automatic extension system of a vehicle seat belt according to claim 1, wherein: the stretching mechanism (3) comprises a first section of telescopic arm (31) and a third section of telescopic arm (33), the lower end of the first section of telescopic arm (31) is arranged in the vehicle body, a first section of gear (312) meshed with a first arc rack (321) on the outer side of the second section of telescopic arm (32) is arranged in the first section of telescopic arm (31), a first motor (311) is arranged on an output shaft of the first motor (311), a second motor (322) is arranged on the second section of telescopic arm (32), a second gear (323) meshed with a second arc rack (331) on the outer side of the third section of telescopic arm (33) is arranged on an output shaft of the second motor (322), a fourth section of telescopic arm (34) is arranged in the third section of telescopic arm (33) in a sliding connection manner, a third motor (332) is arranged on the third section of telescopic arm (33), and a third section of gear (333) meshed with a third section of gear rack (341) on the outer side of the third motor (332) is arranged on the output shaft of the third section of the third motor (332).

3. The automatic extension system of a seat belt for a vehicle according to claim 2, wherein: an electromagnet is arranged in the fourth section of telescopic arm (34), and a magnet adsorbed with the electromagnet is arranged in the bolt (21).

4. The automatic extension system of a vehicle seat belt according to claim 2, wherein: be equipped with side draw bar (324) on the flexible arm of second section (32) lateral wall, the outer end sliding connection of side draw bar (324) is on first section flexible arm (31), and the inner sliding connection of side draw bar (324) is on third section flexible arm (33).

5. The automatic extension system of a vehicle seat belt according to claim 2, wherein: and a top sliding strip (342) at the top of the fourth section of telescopic arm (34) is connected to the third section of telescopic arm (33) in a sliding manner.