CN116476774A - Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method - Google Patents

Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method Download PDF

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Publication number
CN116476774A
CN116476774A CN202310330216.3A CN202310330216A CN116476774A CN 116476774 A CN116476774 A CN 116476774A CN 202310330216 A CN202310330216 A CN 202310330216A CN 116476774 A CN116476774 A CN 116476774A
Authority
CN
China
Prior art keywords
belt
safety
auxiliary belt
state information
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310330216.3A
Other languages
Chinese (zh)
Inventor
杜斌
陈贤青
崔泰松
张彬
毛溶洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Changan Automobile Co Ltd
Original Assignee
Chongqing Changan Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Changan Automobile Co Ltd filed Critical Chongqing Changan Automobile Co Ltd
Priority to CN202310330216.3A priority Critical patent/CN116476774A/en
Publication of CN116476774A publication Critical patent/CN116476774A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/12Construction of belts or harnesses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/30Coupling devices other than buckles, including length-adjusting fittings or anti-slip devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R2021/01204Actuation parameters of safety arrangents
    • B60R2021/01252Devices other than bags
    • B60R2021/01265Seat belts
    • B60R2021/01272Belt tensioners

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The invention discloses a safety constraint auxiliary belt assembly, a safety constraint assembly and a safety constraint method, and relates to the field of automobile safety constraint. The safety restraint assist strap assembly is for use with a three-point seat belt having a shoulder strap section and a lap strap section, comprising: an auxiliary belt interfacing member for mounting to the waistband section; the auxiliary belt main component is used for being arranged at a position between two legs of a corresponding passenger of the automobile seat; a docking mechanism connected with the auxiliary belt main member and detachably connected with the auxiliary belt docking member; and the pre-tightening mechanism is connected with the auxiliary belt main component and can pre-tighten the auxiliary belt main component. The safety restraint assembly comprises a three-point safety belt and the safety restraint auxiliary belt component; the safety restraint method uses the safety restraint assembly. The invention can give consideration to the comfort of the passengers under the condition of normal sitting posture and the comfort and the safety of the passengers under the condition of lying sitting posture.

Description

Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method
Technical Field
The invention relates to the field of automobile safety restraint, in particular to a safety restraint auxiliary belt assembly, a safety restraint assembly and a safety restraint method.
Background
When the safety belt originally appears, the problem of protecting people in traffic accidents is solved, but because wearing is complicated, the feeling of experience is poor and the problem of feeling is solved, and later under the effort of automobile engineers, the three-point safety belt is provided, and the safety belt is convenient to wear and has good safety, so the safety belt is used all the time. Because of the good performance of the three-point safety belt, except for special vehicles such as racing vehicles, the three-point safety belt is configured for the mass production vehicles of people worldwide. However, the three-point type safety belt has limitations that the problem of collision protection under the condition of normal sitting posture can be solved, the defect of insufficient collision protection for the passengers in the lying posture is possibly aggravated, the passengers lie on the seat as shown in fig. 1-2, the three-point type safety belt is worn, after the collision accident occurs on the vehicle, the safety airbag cannot protect the passengers lying on the seat after being unfolded, meanwhile, the passengers under the constraint of the three-point type safety belt can have a diving phenomenon, the passengers cannot be effectively fixed and protected, the safety belt is led into the abdomen to generate serious injury, and the problems above cannot be solved until now. At present, intelligent driving automobiles and new energy automobiles rapidly develop, zero-gravity seats are also applied to mass production, the phenomenon of lying and riding is more and more, and a practical and feasible scheme with good protection effect is provided.
CN109501712a discloses a four-point seat belt device for a vehicle that detects a seating state of an occupant from a pulled-out amount of a belt in order to optimize the seating state of the occupant, and a vehicle ECU detects the seating state of the occupant based on the pulled-out amount of the seat belt that changes according to the seating state of the occupant after the occupant is seated on a vehicle seat and a buckle device of the seat belt and a tongue are connected. When the state in which the amount of the webbing pulled out exceeds the allowable value continues for a predetermined time or longer, the vehicle ECU controls the webbing retractor to retract the webbing. The four-point type safety belt device for the vehicle is characterized in that the four-point type safety belt device is used for binding a human body by a safety belt on the shoulders on the left side and the right side, only one lock catch is used for binding the human body between the two sides, the four-point type safety belt device is convenient to wear, and the technical scheme disclosed in the patent document is a beneficial attempt in the technical field. However, the same problem of the three-point type safety belt still exists in the safety belt, the locking positions of the three-point type safety belt are possibly different for people with different fat and thin body types, the waist is not restrained enough, and if a vehicle collides when the person lies down, the passenger can slide out of the safety belt due to inertia, so that the protection effect on the passenger cannot be achieved.
CN115107604a discloses a seat control system, a method, a vehicle and a storage medium, the seat control system comprising a sensing device, a seat sensing device, a computing unit and a seat control device, wherein: the sensing device is used for detecting a target object on the running path of the vehicle, and physical attribute classification, movement speed and movement direction of the target object and the position of the target object relative to the vehicle; the seat sensing device is used for detecting the posture of the seat and whether an occupant sits on the seat; the computing unit is used for computing the collision working condition of the vehicle with the target object and the possibility of the collision, the condition of passenger injury caused by the collision and the force limiting constraint measure to be adopted for the seat, and is respectively connected with the sensing device and the seat sensing device. The seat control device is used for realizing adjustment and motion constraint of the seat posture, so that a human body can be better contacted with the air bag after collision, and the seat control device is connected with the computing unit. The invention can passively adjust the posture of the seat when the vehicle collides with the front surface, and adjust the sitting posture of the human body to the posture which is beneficial to contact with the front surface air bag, thereby relieving or eliminating the injury of the collision to personnel. However, the technical scheme passively adjusts the posture of the seat, and the response speed still has room for improvement.
Disclosure of Invention
Accordingly, the present invention is directed to a safety restraint assist belt assembly, a safety restraint assembly and a safety restraint method, which can consider both the comfort of an occupant in an sitting position and the comfort and safety of an occupant in a lying position.
A safety restraint assist strap assembly in accordance with the present invention for use with a three-point seat belt having a shoulder strap section and a lap strap section, comprising:
an auxiliary belt interfacing member for mounting to the waistband section;
the auxiliary belt main component is used for being arranged at a position between two legs of a corresponding passenger of the automobile seat;
a docking mechanism connected with the auxiliary belt main member and detachably connected with the auxiliary belt docking member;
and the pre-tightening mechanism is connected with the auxiliary belt main component and can pre-tighten the auxiliary belt main component.
Further, the butt joint structure and the pre-tightening mechanism are respectively connected with the front part and the rear part of the auxiliary belt main component, and the pre-tightening mechanism can shorten the length of the auxiliary belt main component so as to pre-tighten the auxiliary belt main component.
Further, the auxiliary belt main component comprises a sleeve, a guide sleeve and an auxiliary belt steel cable, the sleeve is connected with the docking mechanism, the auxiliary belt steel cable is connected with the pre-tightening mechanism, the guide sleeve is positioned between the sleeve and the pre-tightening mechanism, and the sleeve and the guide sleeve are sleeved on the auxiliary belt steel cable.
Further, the device also comprises a decorative protection sleeve, and the docking mechanism, the sleeve and the guide sleeve are all positioned on the lower side of the decorative protection sleeve.
Further, the decorative protection sleeve is in a shape with a wide front and a narrow rear.
Further, the sleeve is provided with two openings, and the two openings are arranged at intervals along the left-right direction; the guide sleeve is fixedly connected with the decorative protective sleeve, the guide sleeve comprises a first channel and a second channel, the rear part of the first channel is communicated with the rear part of the second channel, and the front part of the first channel and the front part of the second channel are respectively corresponding to the two opening directions; the head end of the auxiliary belt steel cable sequentially passes through the first channel, the sleeve and the second channel and is connected with the middle part of the auxiliary belt steel cable through the lug folding buckle.
Further, an adhesive member for connecting with the car seat is provided at the front of the decorative protective cover.
Further, the butt joint mechanism comprises an auxiliary belt lock catch, a connecting steel rope and a connecting end piece, wherein the auxiliary belt lock catch is fixedly connected with the connecting end piece through the connecting steel rope, and the connecting end piece is fixedly connected with the sleeve.
Further, the auxiliary belt butt joint member comprises a waistband connecting piece and an auxiliary belt bolt fixedly connected with the waistband connecting piece, and the waistband connecting piece can be in sliding connection with the waistband section.
Further, the belt butt joint device further comprises a limiting piece which can be fixedly connected with the belt section so as to limit the sliding travel of the auxiliary belt butt joint member.
Further, the pretension mechanism comprises a pretensioner, a reminding sensor is arranged on the docking mechanism, and the pretensioner and the reminding sensor can be connected with a vehicle safety controller.
The invention relates to a safety restraint assembly, which comprises a three-point type safety belt and a safety restraint auxiliary belt component; the three-point type safety belt comprises a safety belt main body, a sliding connector body arranged on the safety belt main body and a fixed connector body detachably connected with the sliding connector body; the upper and lower both ends of safety belt main part are provided with mounting point and lower mounting point respectively, go up the mounting point with form between the slip connector the shoulder strap section, lower mounting point with form between the slip connector the waistband section.
Further, still include car seat, car seat include the seat cushion and with the seat back that the seat cushion rotates to be connected, the seat cushion includes the cushion skeleton and sets up the cushion body on the cushion skeleton, be provided with on the cushion body and be used for holding assist take the major component with docking mechanism's mounting groove, pretension mechanism with cushion skeleton fixed connection.
The invention relates to a safety constraint method, which uses a safety constraint assembly and comprises the following steps:
acquiring first state information, and judging whether to remind an occupant that the safety restraint assembly is not started according to the first state information; the first state information comprises automobile running state information, automobile seat bearing state information, backrest inclination angle information, safety restraint auxiliary belt component starting state information and three-point type safety belt starting state information;
acquiring second state information, and judging whether pre-tightening ignition of a safety restraint auxiliary belt component and pre-tightening ignition of a three-point safety belt are performed according to the second state information; the second state information comprises automobile collision information, automobile speed information, safety restraint auxiliary belt component starting state information and three-point type safety belt starting state information.
Further, the method comprises the steps of,
acquiring first state information, judging whether to remind an occupant that the safety restraint assembly is not started according to the first state information, and comprising the following steps:
s1, starting;
s2, acquiring automobile running state information, judging whether the automobile is in a running gear, if yes, entering a step S3, and if no, entering a step S8;
S3, acquiring the bearing state information of the automobile seat, judging whether the automobile seat is occupied or not, if yes, entering a step S4, and if no, entering a step S8;
s4, acquiring starting state information of the three-point safety belt corresponding to the automobile seat in the step S3, judging whether a sliding connector of the three-point safety belt is connected with a fixed connector, if yes, entering the step S5, and if no, entering the step S7;
s5, acquiring backrest inclination angle information of the automobile seat in the step S3, judging whether the backrest inclination angle of the automobile seat is larger than a preset inclination angle threshold value, if so, entering a step S6, and if not, entering a step S8;
s6, acquiring starting state information of a safety constraint auxiliary belt assembly corresponding to the automobile seat in the step S3, judging whether an auxiliary belt butting member of the safety constraint auxiliary belt assembly is connected with a butting mechanism, if yes, entering a step S8, and if no, entering a step S7;
s7, reminding the passengers that the safety restraint assembly is not started, and returning to the step S1;
s8, reminding is not carried out, and the step S1 is returned.
Further, in step S7, the following steps are included:
S701, reminding an occupant that the safety restraint assembly is not started, and recording the reminding duration;
s702, judging whether the reminded duration exceeds a first time threshold, if not, returning to the step S1, and if so, resetting the reminded duration and then entering the step S703;
s703, silencing, recording the duration of silencing, and then proceeding to step S704;
s704, judging whether the silent duration exceeds a second time threshold, if not, returning to the step S703, and if so, returning to the step S1 after zeroing the silent duration.
Further, the method comprises the steps of,
acquiring second state information, judging whether to perform pre-tightening ignition of a safety restraint auxiliary belt component and pre-tightening ignition of a three-point safety belt according to the second state information, and comprising the following steps:
t1, acquiring automobile collision information;
t2, judging whether the automobile collision strength exceeds a set collision strength threshold value according to the automobile collision information, if so, entering a step T3, and if not, ending;
t3, acquiring automobile speed information, judging whether the automobile speed exceeds a speed threshold, if yes, entering a step T4, and if no, ending;
t4, acquiring starting state information of the safety constraint auxiliary belt assembly, judging whether an auxiliary belt butting member of the safety constraint auxiliary belt assembly is connected with the butting mechanism, if so, entering a step T5, and if not, ending;
T5, pre-tightening ignition of the safety constraint auxiliary belt assembly is carried out, and a step T6 is carried out;
t6, acquiring starting state information of the three-point safety belt, judging whether a sliding connector of the three-point safety belt is connected with a fixed connector, if so, entering a step T7, and if not, ending;
and T7, pre-tightening ignition of the three-point safety belt is performed, and the process is finished.
The beneficial effects of the invention are as follows:
(1) The safety restraint auxiliary belt assembly is used for being matched with a conventional three-point safety belt, and can give consideration to the comfort of an occupant in a normal sitting posture and the comfort and safety of the occupant in a lying posture. The riding comfort of the passengers is not affected under the condition of normal sitting posture; when the passenger is in a lying position, after the seat backrest is inclined backwards by a certain angle, the passenger takes out the auxiliary belt main component from the seat cushion, and connects the docking mechanism with the auxiliary belt docking component, the safety restraint auxiliary belt component changes a conventional three-point type safety belt into a four-point type safety belt, after the vehicle collides and the pre-tightening ignition condition of the safety restraint auxiliary belt component is met, before the passenger body does not slide relatively greatly, the pre-tightening mechanism ignites to tighten the auxiliary belt main component, the safety restraint auxiliary belt component acts on the pelvic bones of a human body, and the waistband section of the three-point type safety belt is firmly restrained on the hip of the human body, so that the body of the passenger is restrained on the seat;
(2) Before the pre-tightening ignition condition of the safety restraint auxiliary belt assembly is not met, the auxiliary belt main component is in a loose state, so that the comfort of the four-point safety belt can be ensured, passengers can not have obvious restrained feeling, the conflict psychology of the passengers is reduced, and the enthusiasm of the passengers for using the safety restraint auxiliary belt assembly is improved;
(3) The pre-tightening mode of the safety constraint auxiliary belt assembly is simple and direct, the pre-tightening effective time is short, riding comfort and appearance attractiveness are improved through the decorative protective sleeve, the contact area acting on the body of an occupant can be increased, the acting force of the auxiliary belt steel rope acting on the pudendum and the pelvis of the human body of the occupant is reduced, and the auxiliary belt steel rope is prevented from injuring the body of the occupant;
(4) The safety restraint method can remind passengers that the safety restraint assembly is not started, can reasonably perform pre-tightening ignition of the safety restraint auxiliary belt assembly and pre-tightening ignition of the three-point safety belt, and can ensure that the length of the auxiliary belt steel rope of the safety restraint auxiliary belt assembly is shortened, so that the decorative protective sleeve acts on the pudendum and the pelvic bone of the human body of the passengers, and the waistband section of the three-point safety belt is fixed at the position of the hip bone of the human body. The position of the waistband section and the position of the rear section of the auxiliary belt steel cable are prevented from being wrong due to pre-tightening and ignition of the three-point safety belt, and the human body is prevented from being hurt.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present invention more clear, the present invention provides the following drawings for description:
fig. 1 is a schematic view showing a structure of an occupant in a lying posture using a conventional three-point seat belt;
FIG. 2 is a schematic view of the structure of an airbag deployment and occupant dive after a vehicle collision;
FIG. 3 is a schematic structural view of a safety restraint strap assembly of the present invention;
FIG. 4 is a schematic view of the structure of the auxiliary belt docking member of the present invention connected to a three-point seat belt;
FIG. 5 is a schematic view of the structure of the auxiliary belt docking member of the present invention;
FIG. 6 is a schematic structural view of the safety restraint strap assembly of the present invention in connection with a vehicle seat;
FIG. 7 is a schematic cross-sectional view of the safety restraint assist belt assembly of the present invention in connection with a vehicle seat;
FIG. 8 is a schematic structural view of a mat frame according to the present invention;
FIG. 9 is a schematic bottom view of the safety restraint assist strap assembly of the present invention;
FIG. 10 is a schematic side view of the safety restraint strap assembly of the present invention;
FIG. 11 is a schematic view of the connection structure of the auxiliary belt buckle, the connection cable and the first sheet body of the present invention;
FIG. 12 is a schematic view of the connection structure of the connection cable, the third sheet, the sleeve and the auxiliary belt cable according to the present invention;
FIG. 13 is a schematic illustration of a prior art three-point seat belt having a belt segment that is not capable of restraining a human hip during a vehicle collision;
FIG. 14 is a schematic illustration of a safety restraint assist belt assembly restraining a lap belt portion of a three-point seat belt to a human hip during a vehicle collision;
FIG. 15 is a force analysis chart of the safety restraint assist belt assembly of FIG. 14 applying tension to a belt segment of a three-point seat belt;
FIG. 16 is a force analysis diagram of the safety restraint assembly of FIG. 14 acting on a human pelvic bone;
FIG. 17 is one of the flowcharts of the security constraint method of the present invention;
FIG. 18 is a second flowchart of the security constraint method of the present invention.
The figures are marked as follows:
1-safety restraint auxiliary belt assembly, 11-auxiliary belt docking member, 111-waistband connector, 112-auxiliary belt latch, 12-auxiliary belt main member, 121-sleeve, 122-guide sleeve, 1221-first channel, 1222-second channel, 123-auxiliary belt cable, 124-turnbuckle, 13-docking mechanism, 131-auxiliary belt latch, 132-connection cable, 133-first sheet, 134-second sheet, 135-third sheet, 136-first wire harness, 14-pretensioner mechanism, 141-pretensioner, 142-second wire harness, 143-mounting bracket, 15-decorative protective sleeve, 151-adhesive, 16-limiter;
2-three-point seat belt, 21-seat belt body, 211-shoulder strap section, 212-lap strap section, 213-fold, 22-sliding plug, 23-fixed plug;
3-automobile seats, 31-seat cushions, 311-seat cushion bodies, 312-seat cushion frameworks, 313-connecting brackets and 32-seat backs;
4-an airbag.
Detailed Description
The technical scheme of the invention is described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 3 to 11, a safety restraint auxiliary belt assembly 1 in the present embodiment is for use with a three-point seat belt 2, the three-point seat belt 2 having a shoulder belt section 211 and a lap belt section 212, including an auxiliary belt abutment member 11, an auxiliary belt main member 12, an abutment mechanism 13 and a pretensioning mechanism 14; the auxiliary belt docking member 11 is for mounting to the waistband section 212; the auxiliary belt main member 12 is for mounting at a position between the legs of the corresponding occupant of the car seat 3; the docking mechanism 13 is connected with the auxiliary belt main member 12 and is detachably connected with the auxiliary belt docking member 11; the pretensioning mechanism 14 is connected to the auxiliary belt main member 12, and is capable of pretensioning the auxiliary belt main member 12.
The safety restraint assist strap assembly 1 is adapted to cooperate with a conventional three-point seat belt 2 to provide both comfort for an occupant in an sitting position and comfort and safety for an occupant in a lying position. In the case of an occupant sitting in an sitting posture, the occupant uses only the three-point seat belt 2 and does not use the safety restraint assist belt assembly 1, as shown in fig. 3, the assist belt main member 12, the docking mechanism 13, and the pretensioner mechanism 14 are hidden in the seat cushion 31, and the riding comfort is not affected; when the occupant is in a lying position and the seat back 32 is tilted rearward by a certain angle, the occupant removes the auxiliary belt main member 12 from the seat cushion 31 and connects the docking mechanism 13 to the auxiliary belt docking member 11, and the safety restraint auxiliary belt assembly 1 changes the conventional three-point seat belt 2 into a four-point seat belt. If the passenger sits down in a lying position and the backrest of the car seat 3 is inclined at a large angle, the waistband section 212 of the three-point type safety belt 2 can easily slide off the hip and get into the abdomen of the passenger, and the viscera or intestinal tracts of the passenger are broken and the spine is injured under the action of a huge inertia force generated by the collision. If the four-point safety belt formed by combining the safety restraint auxiliary belt assembly 1 and the conventional three-point safety belt 2 is worn, after the vehicle collides and the pre-tightening ignition condition of the safety restraint auxiliary belt assembly 1 is met, before the body of the passenger does not slide relatively to the vehicle, the pre-tightening mechanism 14 ignites to tighten the auxiliary belt main member 12, the safety restraint auxiliary belt assembly 1 acts on the pelvic bone of the human body, and the waistband section 212 of the three-point safety belt 2 is firmly restrained on the hip of the human body, so that the body of the passenger is restrained on the seat. As shown in fig. 13-16, when the auxiliary belt main member 12 is pre-tensioned, the pulling force F of the auxiliary belt abutting member 11 on the waistband section 212 of the three-point type safety belt 2 forms a horizontal forward component Fx and a vertical downward component Fz, and under the action of the two components, the waistband section 212 of the three-point type safety belt 2 is fixed at the hip bone position of the human body; at the same time, the force F ' of the safety restraint assist belt assembly 1 acting on the human pelvis will generate a horizontal rearward component force Fx ' and a vertical downward component force Fz ', under the action of which the human body is restrained on the seat to avoid sliding forward, thus preventing the occupant from diving. It should be noted that, before the pre-tightening ignition condition of the safety restraint auxiliary belt assembly 1 is not satisfied, the auxiliary belt main member 12 is in a loose state, so that the comfort of the four-point safety belt can be ensured, passengers do not have obvious constrained feeling, the conflict mind of the passengers is reduced, the enthusiasm of the passengers for using the safety restraint auxiliary belt assembly 1 is improved, after the pre-tightening ignition condition of the safety restraint auxiliary belt assembly 1 is satisfied, the pre-tightening mechanism 14 ignites to tighten the auxiliary belt main member 12, at the moment, the safety restraint auxiliary belt assembly 1 acts on the human pelvic bone, wherein the pre-tightening ignition condition of the safety restraint auxiliary belt assembly 1 is that the automobile collision strength exceeds a set collision strength threshold, the automobile speed exceeds a speed threshold, and the safety restraint auxiliary belt assembly 1 is in a normal starting state.
In this embodiment, as shown in fig. 7, the abutting structure and the pretensioning mechanism 14 are respectively connected to the front and rear portions of the auxiliary belt main member 12, and the pretensioning mechanism 14 can shorten the length of the auxiliary belt main member 12 to achieve pretensioning of the auxiliary belt main member 12. The pre-tightening mode is simple and direct, and the pre-tightening effective time is short.
In this embodiment, as shown in fig. 9-10, the auxiliary belt main member 12 includes a sleeve 121, a guide sleeve 122 and an auxiliary belt cable 123, the sleeve 121 is connected with the docking mechanism 13, the auxiliary belt cable 123 is connected with the pretensioning mechanism 14, the guide sleeve 122 is located between the sleeve 121 and the pretensioning mechanism 14, and the sleeve 121 and the guide sleeve 122 are both sleeved on the auxiliary belt cable 123. The sleeve 121 can rotate relative to the auxiliary belt cable 123 and can facilitate connection of the auxiliary belt docking member 11 with the docking mechanism 13.
In this embodiment, as shown in fig. 9-10, the device further includes a decorative protection sleeve 15, and the docking mechanism 13, the sleeve 121, and the guide sleeve 122 are all located on the lower side of the decorative protection sleeve 15. The cushion body 311 is provided with a mounting groove for accommodating the auxiliary belt main component 12 and the docking mechanism 13, the decorative protection sleeve 15 can be used for shielding the mounting groove, the auxiliary belt main component 12, the docking mechanism 13 and other components on one hand, riding comfort and appearance attractiveness are improved, and on the other hand, the contact area acting on the body of an occupant can be increased, and the decorative protection sleeve 15 is textile, so that the softness is high and has a buffering effect, the decorative protection sleeve 15 can reduce acting force of the auxiliary belt steel cable 123 on the pudendum and the pelvic bone of the human body of the occupant, and the auxiliary belt steel cable 123 is prevented from injuring the body of the occupant.
In this embodiment, as shown in fig. 9, the decorative protection sleeve 15 is in a shape with a wide front and a narrow back, and the shape with a wide front and a narrow back is attached to the triangle area of the pudendum of the human body, so that the pudendum of the human body can be attached without hurting the human body.
In this embodiment, as shown in fig. 9, the sleeve 121 has two openings, which are arranged at intervals in the left-right direction; the guide sleeve 122 is fixedly connected with the decorative protection sleeve 15, the guide sleeve 122 comprises a first channel 1221 and a second channel 1222, the rear part of the first channel 1221 is communicated with the rear part of the second channel 1222, and the front part of the first channel 1221 and the front part of the second channel 1222 correspond to the two opening directions respectively; the head end of the auxiliary steel cord 123 passes through the first passage 1221, the sleeve 121, and the second passage 1222 in this order and is connected to the middle of the auxiliary steel cord 123 by the turnbuckle 124. The auxiliary steel rope 123 on the lower side of the decorative protection sleeve 15 is annular, the connection strength of the sleeve 121 and the auxiliary steel rope 123 is guaranteed, meanwhile, the sleeve 121 and the guide sleeve 122 enable the auxiliary steel rope 123 to be separated, the space is reserved, stress can be shared, the auxiliary steel rope 123 is prevented from injuring a human body, the decorative protection sleeve 15 is enabled to be smoother and more attractive, and in addition, the sleeve 121 can also prevent the abutting mechanism 13 from wearing the auxiliary steel rope 123.
In this embodiment, as shown in fig. 9, the front portion of the decorative protective sheath 15 is provided with an adhesive 151 for connection with the car seat 3. The adhesive 151 may be a velcro or snap fastener sewn to the trim cover 15, and the seat cushion 31 is also provided with an adapted velcro or snap fastener. In the sitting posture of the occupant, the occupant uses only the three-point seat belt 2 and does not use the safety restraint assist belt assembly 1, and the trim cover 15 is attached to the seat cushion 31 to shield the mounting groove and the assist belt main member 12, the docking mechanism 13, and the like.
In this embodiment, the docking mechanism 13 includes an auxiliary belt lock 131, a connection cable 132, and a connection end piece, where the auxiliary belt lock 131 is fixedly connected to the connection end piece through the connection cable 132, and the connection end piece is fixedly connected to the sleeve 121. The connecting end piece is of an integral structure or a split structure; as shown in fig. 9-11, when the connecting end piece is in a split structure, the connecting end piece comprises a first sheet body 133 and a second sheet body 134, the auxiliary belt lock catch 131 is fixedly connected with the first sheet body 133 through a connecting steel rope 132, connecting holes are correspondingly formed in the first sheet body 133 and the second sheet body 134, the first sheet body 133 is connected with the second sheet body 134 through riveting or bolting, and the second sheet body 134 is fixedly connected with the sleeve 121; as shown in fig. 12, when the connection end piece is in an integral structure, the connection end piece includes a third sheet 135, the auxiliary belt lock 131 is fixedly connected with the third sheet 135 through a connection cable 132, and the third sheet 135 is fixedly connected with the sleeve 121.
In this embodiment, as shown in fig. 3-5, the auxiliary belt docking member 11 includes a belt connector 111 and an auxiliary belt latch 112 fixedly connected to the belt connector 111, and the belt connector 111 is slidably connected to the belt segment 212. The auxiliary belt latch 112 is detachably connected with the auxiliary belt lock 131, the auxiliary belt latch 112 is inserted into the auxiliary belt lock 131 to connect the auxiliary belt lock 131 and the auxiliary belt latch 112 is pulled out of the auxiliary belt lock 131 to separate the auxiliary belt lock 131 from the auxiliary belt lock 131. The waistband connecting piece 111 is provided with the through groove which can be sleeved on the waistband section 212, preferably, the width of the through groove is slightly smaller than the width of the waistband section 212, and after the through groove of the waistband connecting piece 111 is sleeved on the waistband section 212, the waistband section 212 of the three-point type safety belt 2 is provided with the folds 213, so that the waistband connecting piece 111 can slide, and meanwhile, a certain damping force is provided, so that the waistband connecting piece 111 is prevented from sliding too smoothly, and the auxiliary belt butt joint component 11 is prevented from easily shaking and sliding on the three-point type safety belt 2 when not in use.
In this embodiment, as shown in fig. 3-4, the belt stop 16 is further included, and the stop 16 can be fixedly connected to the belt segment 212 to limit the sliding travel of the auxiliary belt docking member 11. The auxiliary belt abutting member 11 is limited between the limiting piece 16 and the sliding plug body 22 of the three-point type safety belt 2, so that passengers can quickly find the auxiliary belt abutting member 11 when connecting.
In this embodiment, as shown in fig. 7 to 10, the pretensioner mechanism 14 includes a pretensioner 141, and the docking mechanism 13 is provided with a warning sensor, and both the pretensioner 141 and the warning sensor can be connected to the vehicle safety controller. The reminding sensor can judge whether the auxiliary belt butting member 11 of the safety constraint auxiliary belt assembly 1 is connected with the butting mechanism 13 according to whether the auxiliary belt latch 112 is inserted into the auxiliary belt lock 131, so that the vehicle safety controller can acquire the starting state information of the safety constraint auxiliary belt assembly 1, the auxiliary belt latch 112 is inserted into the auxiliary belt lock 131 to judge that the safety constraint auxiliary belt assembly 1 is normally started, and the auxiliary belt latch 112 is not inserted into the auxiliary belt lock 131 to judge that the safety constraint auxiliary belt assembly 1 is not started. Preferably, the alert sensor is connected to the vehicle safety controller by a first harness 136 and the pretensioner 141 is connected to the vehicle safety controller by a second harness 142; the pretensioner mechanism 14 further includes a mounting bracket 143, and the pretensioner 141 is fixedly connected to the seat cushion frame 312 through the mounting bracket 143.
A safety restraint assembly in this embodiment, as shown in figures 3 and 4, includes a three-point seat belt 2 and a safety restraint strap assembly 1; the three-point seat belt 2 includes a seat belt main body 21, a sliding connector provided on the seat belt main body 21, and a fixed connector 23 detachably connected to the sliding connector 22; the upper and lower ends of the seat belt main body 21 are provided with an upper mounting point and a lower mounting point, respectively, and a shoulder strap section 211 is formed between the upper mounting point and the sliding connector, and a waist strap section 212 is formed between the lower mounting point and the sliding connector.
In this embodiment, as shown in fig. 3 and fig. 6 to 8, the automobile seat 3 is further included, the automobile seat 3 includes a seat cushion 31 and a seat back 32 rotatably connected with the seat cushion 31, the seat cushion 31 includes a cushion skeleton 312 and a cushion body 311 disposed on the cushion skeleton 312, the cushion body 311 is provided with a mounting groove for accommodating the auxiliary belt main member 12 and the docking mechanism 13, and the pretensioning mechanism 14 is fixedly connected with the cushion skeleton 312. The cushion frame 312 is provided with a connecting bracket 313, and the pretensioner 141 is connected with the connecting bracket 313 through a mounting bracket 143 in a bolt connection or riveting manner. The upper and lower both ends of safety belt main part 21 are provided with mounting point and lower mounting point respectively, go up mounting point and lower mounting point and can be connected with the car automobile body, and fixed connector 23 can be connected with car automobile body or car seat 3, goes up mounting point and lower mounting point and is located one side of car seat 3, and fixed connector 23 is located the opposite side of car seat 3.
A security restraint method in this embodiment, using a security restraint assembly, includes the steps of:
acquiring first state information, and judging whether to remind passengers that the safety restraint assembly is not started according to the first state information; the first state information comprises automobile running state information, automobile seat bearing state information, backrest inclination angle information, starting state information of the safety restraint auxiliary belt assembly 1 and starting state information of the three-point type safety belt;
Acquiring second state information, and judging whether pre-tightening ignition of the safety restraint auxiliary belt component 1 and pre-tightening ignition of the three-point type safety belt 2 are performed according to the second state information; the second state information includes car crash information, car speed information, safety restraint auxiliary belt assembly 1 enabling state information and three-point type safety belt enabling state information.
As shown in fig. 17, in the present embodiment,
acquiring first state information, judging whether to remind passengers that the safety restraint assembly is not started according to the first state information, and comprising the following steps:
s1, starting;
s2, acquiring automobile running state information, judging whether the automobile is in a running gear, if yes, entering a step S3, and if no, entering a step S8;
s3, acquiring automobile seat bearing state information, judging whether the automobile seat 3 is occupied or not, if yes, entering a step S4, and if no, entering a step S8;
s4, acquiring three-point type safety belt starting state information corresponding to the automobile seat 3 in the step S3, judging whether the sliding connector of the three-point type safety belt 2 is connected with the fixed connector 23, if yes, entering the step S5, and if no, entering the step S7;
S5, acquiring backrest inclination angle information of the automobile seat 3 in the step S3, judging whether the backrest inclination angle of the automobile seat 3 is larger than a preset inclination angle threshold value, if so, entering a step S6, and if not, entering a step S8;
s6, acquiring starting state information of the safety restraint auxiliary belt assembly 1 corresponding to the automobile seat 3 in the step S3, judging whether an auxiliary belt butting member 11 of the safety restraint auxiliary belt assembly 1 is connected with the butting mechanism 13, if yes, entering a step S8, and if no, entering a step S7;
s7, reminding the passengers that the safety restraint assembly is not started, and returning to the step S1;
s8, reminding is not carried out, and the step S1 is returned.
When the automobile is in a driving gear, the automobile seat 3 is occupied by a person, and the sliding connector of the three-point type safety belt 2 of the automobile seat 3 is not connected with the fixed connector 23, reminding the passenger that the passenger safety restraint assembly is not started; when the automobile is in a driving gear, the automobile seat 3 is occupied, the sliding connector of the three-point type safety belt 2 of the automobile seat 3 is connected with the fixed connector 23, the backrest inclination angle of the automobile seat 3 is larger than a preset inclination angle threshold value, and the auxiliary belt abutting component 11 of the safety restraint auxiliary belt component 1 of the automobile seat 3 is not connected with the abutting mechanism 13, the passenger is reminded that the passenger safety restraint assembly is not started; the reminding mode can be sound reminding, graphic reminding, image and sound reminding, graphic and vibration reminding or sound and vibration reminding.
In this embodiment, in step S7, the following steps are included:
s701, reminding an occupant that the safety restraint assembly is not started, and recording the reminding duration;
s702, judging whether the reminded duration exceeds a first time threshold, if not, returning to the step S1, and if so, resetting the reminded duration and then entering the step S703;
s703, silencing, recording the duration of silencing, and then proceeding to step S704;
s704, judging whether the silent duration exceeds a second time threshold, if not, returning to the step S703, and if so, returning to the step S1 after zeroing the silent duration.
In the step S7, if the reminding duration is shorter, directly returning to the step S1 for re-circulation detection, and if the safety constraint assembly is not started all the time, sending out reminding all the time; if the reminding duration is longer, the passenger does not normally start the safety restraint assembly, and after a period of silence, the method returns to the step S1 for detection in a recycling mode, wherein the silence refers to stopping reminding. The first time threshold and the second time threshold can be set by comprehensively considering the priority of the passenger protection requirement and the comfort requirement during vehicle development; if the priority of the demand for occupant protection is far higher than the comfort demand, the first time threshold is larger, the second time threshold is smaller, for example, the first time threshold is 30 seconds, and the second time threshold is 5 seconds, namely, silence is 5 seconds after reminding for 30 seconds; if the priority of the demand for occupant protection is equal to the comfort demand, the first time threshold is closer to the second time threshold, for example, the first time threshold is 10 seconds, and the second time threshold is 10 seconds, i.e., the reminder is silent for 10 seconds after 10 seconds.
As shown in fig. 18, in the present embodiment,
acquiring second state information, judging whether to perform pre-tightening ignition of the safety restraint auxiliary belt component 1 and pre-tightening ignition of the three-point type safety belt 2 according to the second state information, and comprising the following steps:
t1, acquiring automobile collision information;
t2, judging whether the automobile collision strength exceeds a set collision strength threshold value according to the automobile collision information, if so, entering a step T3, and if not, ending;
t3, acquiring automobile speed information, judging whether the automobile speed exceeds a speed threshold, if yes, entering a step T4, and if no, ending;
t4, acquiring starting state information of the safety restraint auxiliary belt assembly 1, judging whether an auxiliary belt butting member 11 of the safety restraint auxiliary belt assembly 1 is connected with a butting mechanism 13, if yes, entering a step T5, and if no, ending;
t5, performing pre-tightening ignition of the safety restraint auxiliary belt assembly 1, and entering a step T6;
t6, acquiring three-point type safety belt starting state information, judging whether the sliding connector of the three-point type safety belt 2 is connected with the fixed connector 23, if yes, entering a step T7, and if no, ending;
T7, the three-point seat belt 2 is pre-ignited and ends.
The vehicle collision information may be acceleration information or collision intensity sensor detection information, and the vehicle generally uses the vehicle collision information to determine whether the airbag 4 needs to be detonated, and when the vehicle collision intensity is determined to exceed the set collision intensity threshold value, the set collision intensity threshold value is smaller than the collision intensity threshold value for determining whether the airbag 4 needs to be detonated, so that the pretensioner mechanism 14 is ensured to fire before the airbag 4 is not detonated to tighten the auxiliary belt main member 12, and at this time, the body of the occupant does not slide relatively to the vehicle yet.
When the safety restraint auxiliary belt assembly is used, the pre-tightening ignition of the safety restraint auxiliary belt assembly 1 is performed, and then the pre-tightening ignition of the three-point type safety belt 2 is performed, so that the length of the auxiliary belt steel cable 123 of the safety restraint auxiliary belt assembly 1 can be shortened, the decorative protection sleeve 15 acts on the pudendum and the pelvic bone of a human body of an occupant, and the waistband section 212 of the three-point type safety belt 2 is fixed at the hip bone position of the human body. The position of the waistband section 212 and the position of the rear section of the auxiliary steel cable 123 are wrong due to pre-tightening and ignition of the three-point type safety belt 2, and the human body is prevented from being hurt.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (17)

1. A safety restraint assist strap assembly for use with a three-point seat belt (2), the three-point seat belt (2) having a shoulder strap section (211) and a lap strap section (212), comprising:
a secondary belt interfacing member (11) for mounting to said waistband section (212);
an auxiliary belt main member (12) for mounting at a position between the legs of the occupant corresponding to the vehicle seat (3);
a docking mechanism (13) connected to the auxiliary belt main member (12) and detachably connected to the auxiliary belt docking member (11);
and a pretensioning mechanism (14) connected to the auxiliary belt main member (12) and capable of pretensioning the auxiliary belt main member (12).
2. The safety restraint assist belt assembly as set forth in claim 1 wherein: the butt joint structure and the pre-tightening mechanism (14) are respectively connected with the front part and the rear part of the auxiliary belt main component (12), and the pre-tightening mechanism (14) can shorten the length of the auxiliary belt main component (12) so as to pre-tighten the auxiliary belt main component (12).
3. The safety restraint assist belt assembly as set forth in claim 1 wherein: the auxiliary belt main component (12) comprises a sleeve (121), a guide sleeve (122) and an auxiliary belt steel rope (123), the sleeve (121) is connected with the abutting mechanism (13), the auxiliary belt steel rope (123) is connected with the pre-tightening mechanism (14), the guide sleeve (122) is positioned between the sleeve (121) and the pre-tightening mechanism (14), and the sleeve (121) and the guide sleeve (122) are sleeved outside the auxiliary belt steel rope (123).
4. A safety restraint assist belt assembly as set forth in claim 3 wherein: still include decorate protective sheath (15), docking mechanism (13), sleeve pipe (121) and uide bushing (122) all are located decorate the downside of protective sheath (15).
5. The safety restraint strap assembly of claim 4 wherein: the decorative protection sleeve (15) is in a shape with a wide front part and a narrow rear part.
6. The safety restraint strap assembly of claim 4 wherein: the sleeve (121) is provided with two openings, and the two openings are arranged at intervals along the left-right direction; the guide sleeve (122) is fixedly connected with the decorative protection sleeve (15), the guide sleeve (122) comprises a first channel (1221) and a second channel (1222), the rear part of the first channel (1221) is communicated with the rear part of the second channel (1222), and the front part of the first channel (1221) and the front part of the second channel (1222) respectively correspond to the two opening directions; the head end of the auxiliary belt steel rope (123) sequentially passes through the first channel (1221), the sleeve (121) and the second channel (1222) and is connected with the middle part of the auxiliary belt steel rope (123) through the lug folding buckle (124).
7. The safety restraint strap assembly of claim 4 wherein: the front part of the decorative protective sleeve (15) is provided with an adhesive piece (151) used for being connected with the automobile seat (3).
8. A safety restraint assist belt assembly as set forth in claim 3 wherein: the butt joint mechanism (13) comprises an auxiliary belt lock catch (131), a connecting steel rope (132) and a connecting end piece, wherein the auxiliary belt lock catch (131) is fixedly connected with the connecting end piece through the connecting steel rope (132), and the connecting end piece is fixedly connected with the sleeve (121).
9. The safety restraint assist belt assembly as set forth in claim 1 wherein: the auxiliary belt butt joint member (11) comprises a waistband connecting piece (111) and an auxiliary belt plug pin (112) fixedly connected with the waistband connecting piece (111), and the waistband connecting piece (111) can be in sliding connection with the waistband section (212).
10. The safety restraint strap assembly of claim 9 wherein: the belt butt joint device further comprises a limiting piece (16), wherein the limiting piece (16) can be fixedly connected with the belt section (212) so as to limit the sliding stroke of the auxiliary belt butt joint member (11).
11. The safety restraint strap assembly of any one of claims 1-10 wherein: the pre-tightening mechanism (14) comprises a pre-tightening device (141), a reminding sensor is arranged on the docking mechanism (13), and the pre-tightening device (141) and the reminding sensor can be connected with a vehicle safety controller.
12. A safety restraint assembly, characterized by: comprising a three-point safety belt (2) and a safety restraint secondary belt assembly according to claim 9; the three-point seat belt (2) comprises a seat belt main body (21), a sliding connector arranged on the seat belt main body (21) and a fixed connector (23) detachably connected with the sliding connector (22); the upper and lower both ends of safety belt main part (21) are provided with mounting point and lower mounting point respectively, go up the mounting point with form between the slip connector shoulder strap section (211), lower mounting point with form between the slip connector waistband section (212).
13. The safety restraint assembly of claim 12 wherein: still include car seat (3), car seat (3) include seat cushion (31) and with seat back (32) that seat cushion (31) rotate and connect, seat cushion (31) include cushion skeleton (312) and set up cushion body (311) on cushion skeleton (312), be provided with on cushion body (311) and be used for holding assist take major component (12) and docking mechanism (13) mounting groove, pretension mechanism (14) with cushion skeleton (312) fixed connection.
14. A method of security restraint using the security restraint assembly of claim 13, comprising:
acquiring first state information, and judging whether to remind an occupant that the safety restraint assembly is not started according to the first state information; the first state information comprises automobile running state information, automobile seat bearing state information, backrest inclination angle information, safety restraint auxiliary belt component starting state information and three-point type safety belt starting state information;
acquiring second state information, and judging whether pre-tightening ignition of a safety restraint auxiliary belt component and pre-tightening ignition of a three-point safety belt (2) are performed according to the second state information; the second state information comprises automobile collision information, automobile speed information, safety restraint auxiliary belt component starting state information and three-point type safety belt starting state information.
15. The method of claim 14, wherein the security constraint comprises,
acquiring first state information, judging whether to remind an occupant that the safety restraint assembly is not started according to the first state information, and comprising the following steps:
s1, acquiring first state information; the first state information comprises automobile running state information, automobile seat bearing state information, backrest inclination angle information, safety restraint auxiliary belt component starting state information and three-point type safety belt starting state information;
S2, judging whether the automobile is in a driving gear or not according to the automobile driving state information, if so, entering a step S3, and if not, entering a step S8;
s3, judging whether a person sits on the automobile seat (3) according to the automobile seat bearing state information, if so, entering a step S4, and if not, entering a step S8;
s4, judging whether the sliding connector of the three-point safety belt (2) is connected with the fixed connector (23) according to the starting state information of the three-point safety belt corresponding to the automobile seat (3) in the step S3, if so, entering the step S5, and if not, entering the step S7;
s5, judging whether the backrest inclination angle of the automobile seat (3) is larger than a preset inclination angle threshold value according to the backrest inclination angle information of the automobile seat (3) in the step S3, if so, entering the step S6, and if not, entering the step S8;
s6, judging whether an auxiliary belt butting member (11) of the safety constraint auxiliary belt assembly is connected with a butting mechanism (13) according to the starting state information of the safety constraint auxiliary belt assembly corresponding to the automobile seat (3) in the step S3, if so, entering the step S8, and if not, entering the step S7;
s7, reminding the passengers that the safety restraint assembly is not started, and returning to the step S1;
S8, reminding is not carried out, and the step S1 is returned.
16. The security constraint method according to claim 15, characterized in that in step S7, it comprises the steps of:
s701, reminding an occupant that the safety restraint assembly is not started, and recording the reminding duration;
s702, judging whether the reminded duration exceeds a first time threshold, if not, returning to the step S1, and if so, resetting the reminded duration and then entering the step S703;
s703, silencing, recording the duration of silencing, and then proceeding to step S704;
s704, judging whether the silent duration exceeds a second time threshold, if not, returning to the step S703, if so, returning to the step S1 after zeroing the silent duration.
17. The method of claim 14, wherein the security constraint comprises,
acquiring second state information, judging whether to perform pre-tightening ignition of a safety restraint auxiliary belt component and pre-tightening ignition of a three-point safety belt (2) according to the second state information, and comprising the following steps:
t1, acquiring second state information; the second state information comprises automobile collision information, automobile speed information, safety restraint auxiliary belt component starting state information and three-point type safety belt starting state information;
T2, judging whether the collision strength of the automobile exceeds a set collision strength threshold according to the collision information of the automobile, if so, entering a step T3, and if not, ending;
t3, judging whether the vehicle speed exceeds a vehicle speed threshold value according to the vehicle speed information, if so, entering a step T4, and if not, ending;
t4, judging whether an auxiliary belt butting component (11) of the safety constraint auxiliary belt assembly is connected with a butting mechanism (13) according to the starting state information of the safety constraint auxiliary belt assembly, if so, entering a step T5, and if not, ending;
t5, pre-tightening ignition of the safety constraint auxiliary belt assembly is carried out, and a step T6 is carried out;
t6, judging whether the sliding connector of the three-point safety belt (2) is connected with the fixed connector (23) according to the starting state information of the three-point safety belt, if so, entering a step T7, and if not, ending;
t7, the pre-tightening ignition of the three-point seat belt (2) is performed, and the operation is finished.
CN202310330216.3A 2023-03-30 2023-03-30 Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method Pending CN116476774A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310330216.3A CN116476774A (en) 2023-03-30 2023-03-30 Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310330216.3A CN116476774A (en) 2023-03-30 2023-03-30 Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method

Publications (1)

Publication Number Publication Date
CN116476774A true CN116476774A (en) 2023-07-25

Family

ID=87226021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310330216.3A Pending CN116476774A (en) 2023-03-30 2023-03-30 Safety restraint auxiliary belt assembly, safety restraint assembly and safety restraint method

Country Status (1)

Country Link
CN (1) CN116476774A (en)

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