CN111376863A - Crash safety system for tensioned monolithic structures - Google Patents
Crash safety system for tensioned monolithic structures Download PDFInfo
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- CN111376863A CN111376863A CN201811617264.6A CN201811617264A CN111376863A CN 111376863 A CN111376863 A CN 111376863A CN 201811617264 A CN201811617264 A CN 201811617264A CN 111376863 A CN111376863 A CN 111376863A
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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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
A tension integral structure collision safety system is characterized in that a rigid part, a tension part or a combination of the rigid part and the tension part is adopted to construct a tension integral bearing structure to replace an air bag, ignition and explosion can be avoided during starting, hidden danger that passengers are suffocated and scalded is avoided, the tension integral structure collision safety system can be repeatedly unfolded and contracted to debug during production, use and maintenance, is convenient and economical, momentum of a protected object is adopted to serve as a final starting guarantee, is high in reliability, can be used for safety protection of primary collision and secondary collision of a vehicle, and can also be used in the fields of air drop, rescue, medical care and the like.
Description
Technical Field
The present invention relates to a collision safety system.
Background
The safety air bag is a passive anti-collision measure commonly used by automobiles, when the collision of the automobile reaches a set intensity, an air bag control system can start a pre-stored air source or detonate a gas-generating medicament to quickly generate gas, so that the safety air bag is instantly inflated and popped up, and a buffer protective layer is formed between the body of a passenger and parts in the automobile in front of the movement. Since the emergence of safety airbags in the middle of the last century, ignition airbags take a leading position due to the advantages of small volume and quick response, and the continuous refinement in the aspects of gas generating medicament, air bag material and control electric system reaches a quite high level in the technical direction, but the original short plate, namely the gas generating device and the airbag assembly cannot be avoided for one-time use all the time, the reliability of the core component excessively depends on the high-standard production and quality inspection conditions of the original factory, the cost is higher, and after the collision with the intensity not reaching the set standard, if the appearance of the related components is deformed or the installation state is changed, the performance is influenced, the user or even a vehicle repair factory cannot perform self-help inspection and debugging, the core components must be replaced to ensure the reliability, it is inconvenient and economical to use, and in addition, there is a risk that the passenger is suffocated or burned.
Disclosure of Invention
The invention aims to provide a collision safety system of a tensioning integral structure, which adopts a rigid part, a tensioning part or a combination of the rigid part and the tensioning part to construct the tensioning integral bearing structure to replace the function of an air bag, the starting can be carried out without ignition and explosion, the suffocation and scalding of passengers can be avoided, the collision safety system is made of non-disposable materials, the collision safety system can be repeatedly checked and debugged after the collision safety system is installed, the collision safety system is convenient and economical in all links of production, use and maintenance, and has higher reliability by taking the momentum of a protected object as the final starting guarantee.
The buffer element comprises a rigid part, a tension part or a combination of the rigid part and the tension part which can be used for building a tension integral structure, and the rigid part, the tension part or the combination is arranged on a carrier or is worn on a protected object or is arranged on a moving route of the protected object, and can swing, move, rotate, deform, rebound, expand or tighten under the action of external force or self elasticity to form a tension integral bearing structure, or can rebound to form a tension integral bearing structure after the constraint of the external force is removed, and the structure has buffer effect because the buffer element has elasticity or is connected with an elastic part; the system is provided with a driving device of a type including but not limited to a servo motor or an air storage tank, or the buffering element drives the buffering action by a power device of the vehicle, or the buffering element drives the protected object by momentum, or more than two driving modes are combined; the state of the damping element may comprise a normally open state, or the system may be provided with control means for controlling the activation of the damping element.
The rigid member of the present invention includes an elongated rod that is actuated by a plurality of units that move longitudinally from a collapsed, contracted state and expand radially to tension the tension member to form a cushioning barrier occupying an unsealed space.
The rigid part of the invention comprises a long rod, and two ends of the long rod can move oppositely after being started, so that the middle section part is bent or folded in half and arched outwards to form a buffer barrier.
The rigid member of the present invention comprises a sheet material that can maintain a flat shape in a natural state and can deform under a driving force to form a cushioning barrier, or can maintain a flat shape under a restraining force and can automatically roll back to form a cushioning barrier after the restraining force is removed, and the shape of the barrier region includes, but is not limited to, a cylinder, a semi-cylinder, an arch bridge, an eggshell, or a combination thereof.
The rigid part comprises a curved rod with a curved profile, a ring-shaped member, a sheet-shaped member or a convolution spring-shaped member, and a plurality of units are arranged in a superposition manner, can be folded, contracted and unfolded outwards, or can be folded or unfolded in a translation or telescopic manner in the arrangement direction.
The invention is characterized in that the damping element comprises an elongate rod or a pull strip which is bundled into an elongate strip and which, after actuation, can be spread out in the transverse direction and tensioned in the longitudinal direction, blocking the possible direction of movement after impact with the object to be protected.
The rigid part of the invention comprises a telescopic arm formed by combining long rods, wherein one end of the telescopic arm is fixed, and the other end of the telescopic arm can longitudinally stretch.
The rigid part comprises a plurality of series-connected sub-parts which can be axially connected in series to form a straight rod or an arch-shaped rod under the action of the tension part.
The present invention provides an anti-splinter layer to prevent accidental scattering or personal injury of the cushioning element, or to provide the ends of the cushioning element with an inwardly bent hidden or protective cap.
The invention also has the functions of shading sun or decoration or is used as wearable equipment, and the wearable device is worn on the body of a user or a protected object.
Drawings
FIG. 1 is an embodiment of a long rod longitudinal displacement;
FIG. 2 is a positioning platen of the long rod;
FIG. 3 is a long rod bending embodiment;
FIG. 4 is a sheet bending embodiment;
FIG. 5 is a rotary embodiment;
FIG. 6 is a translation embodiment;
FIG. 7 is a stretch-tightening embodiment;
FIG. 8 is a telescoping arm embodiment;
figure 9 is a tandem sub-embodiment.
Detailed Description
The buffer element comprises a rigid part, a tension part or a combination of the rigid part and the tension part which can be used for building a tension integral structure, and the rigid part, the tension part or the combination is arranged on a carrier or is worn on a protected object or is arranged on a moving route of the protected object, and can swing, move, rotate, deform, rebound, expand or tighten under the action of external force or self elasticity to form a tension integral bearing structure, or can rebound to form a tension integral bearing structure after the constraint of the external force is removed, and the structure has buffer effect because the buffer element has elasticity or is connected with an elastic part; the system is provided with a driving device of a type including but not limited to a servo motor or an air storage tank, or the buffering element drives the buffering action by a power device of the vehicle, or the buffering element drives the protected object by momentum, or more than two driving modes are combined; the state of the damping element may comprise a normally open state, or the system may be provided with control means for determining the activation timing of the damping element. Fig. 1 and 2 show an embodiment in which the damping element is mounted in the steering wheel position. Steering wheel 1, location pressure disk 2 and steering column 5 fixed connection, slider 3 can be for dustcoat 4 and steering column 5 at axial displacement, and the one end of many stock 9 that have the resilience of bending distributes fixed mounting in the circumference on slider 3, and the pole body passes the spout 11A, 11B or 11C that are in different radius positions on location pressure disk 2, and the other end is with stretching strap 8 interconnect, and the outside covers has puncture-proof layer 10 and soft package 7. When the sliding block 3 moves inwards, the long rod 9 is bound in the inner cavity of the outer cover 4, and the puncture-proof layer 10 and the soft bag 7 can be bound in the concave position in the middle of the steering wheel 1. When the slider 3 outwards removed, stock 9 is the radiation expansion all around under the guide of location pressure disk 2, and stretching strap 8 is tightened, and the outer end of the stock 9 of different groups distributes in different radius positions, and stock 9 constructs the buffering protective screen that has non-airtight space with stretching strap 8 jointly, and puncture-proof layer 10 can prevent that stock 9 is unexpected in disorder or prick the people and strengthen the compressive capacity of buffering protective screen, and soft package 7 plays moulding effect and as the contact interface of external friendly. The housing 4 itself serves as a cylinder housing, and can be filled or discharged with gas through a valve 6 connected to one end thereof to control the position of the slider 3, and also can play a role of buffering, and an air supply device is connected to the valve 6, and the type of the air supply device includes, but is not limited to, an air storage tank and a fan. The long rod 9 can also be a rigid straight rod without bending resilience, the inner end of the long rod is rotatably connected with the sliding block 3 and can swing in the radial direction to be contracted or expanded, and the drawstring 8 is made of elastic materials or the inner side of the sliding block 3 is connected with an elastic device to ensure that the system has buffering capacity. In addition to using the air tank as power, the system may be provided with a power device of a type not limited to a servo motor, or the slider 3 is connected to the power device of the vehicle through a transmission mechanism and driven by the power device of the vehicle, or the slider 3 is connected to a safety belt fixing a protected object through a transmission mechanism, so that the displacement of the slider 3 is positively correlated with the displacement of the protected object and driven by the inertia momentum of the protected object after collision, or more than two driving methods are combined for use, particularly, the inertia momentum of the protected object is used as the final driving guarantee, when collision occurs, other types of driving methods are preferentially started, and once an electric fault, an air circuit fault or other reasons cannot be started, the buffer device is fully expanded at the final head along with the displacement of the protected object. The transmission mechanism for connecting the sliding block 3 and the power device may be a device specially equipped in the system, or may be a device outside the system, and the types include, but are not limited to, a pull wire, a push rod, a lead screw, a pneumatic device, a hydraulic device, or an electric device. In the embodiment of fig. 1, the long rod 9 is used as the rigid member of the buffer element, and the rigid member moves in the longitudinal direction and then extends in the radial direction, in other embodiments, the type of the rigid member may also include but is not limited to a curved rod, a ring-shaped member, a sheet-shaped member, a convolution spring-shaped member, a pull tape, a pull wire or a tension film, the movement from the constrained state to the ready state includes but is not limited to swinging, moving, rotating, deforming, rebounding, unfolding or tightening, and the rigid member may also be in the constrained state by means of forced compression, and the rigid member automatically rebounds to form the buffer barrier after the constraint force is removed. In this embodiment, the cushion element may affect the normal operation or action of the occupant after being deployed, so that the cushion element needs to be in a normally closed state, and the cushion element is started to enter an open state after collision, and a control device needs to be provided. In order to dynamically adjust the buffer force and avoid overlarge reaction force on the protected object, some embodiments are provided with an intelligent control device for dynamically adjusting the elastic force of an elastic component connected with the buffer element.
The rigid member includes an elongated rod, and the plurality of cells move longitudinally from a collapsed, contracted state and expand radially to tension the tension member when activated to form a cushioning barrier occupying an unsealed space. As shown in fig. 1 and 2, the steering wheel 1, the positioning plate 2 and the steering column 5 are fixedly connected, the sliding block 3 can move axially relative to the outer cover 4 and the steering column 5, one end of a plurality of elastic long rods 9 is circumferentially distributed and fixedly connected on the sliding block 3, the rods penetrate through sliding grooves 11A, 11B and 11C which are arranged on the positioning pressing plate 2 and are in different radius positions, the other ends of the rods are connected with each other through a drawstring 8, and the outer edge of the rods is covered with a puncture-proof layer 10 and a soft bag 7. When the sliding block 3 moves inwards, the long rod 9 is bound in the inner cavity of the outer cover 4, and the puncture-proof layer 10 and the soft bag 7 can be bound in the concave position in the middle of the steering wheel 1. When the slide block 3 moves outwards, the long rod 9 is radially expanded around under the guide of the positioning pressure plate 2, the drawstring 8 is tightened, the outer ends of the long rods 9 in different groups are distributed at different radius positions to form a multilayer structure, different layers are independently or mutually connected at the tail end, and the long rod 9 and the drawstring 8 jointly construct an elastic integral force-bearing structure with an unsealed space. The chutes 11A, 11B and 11C may also be located at the same diameter position, forming a structure with only one buffer layer. The long rod 9 can also be a rigid straight rod without bending resilience, the inner end of the long rod is rotatably connected with the sliding block 3 and can swing in the radial direction to be contracted or expanded, and the inner side of the sliding block 3 is connected with an elastic device to enable the system to have buffering capacity. If the long rod 9 is tightened in a straight state, the stroke of the slider 3 cannot be smaller than the length of the long rod 9, and in order to shorten the stroke, the slider 3 is rotated relative to the positioning platen 2 so that the long rod 9 is tightened in a spiral shape. In order to improve the sensitivity of the transmission device, a stroke amplifying device is arranged in the middle link of the transmission.
In the embodiment of fig. 3, the long rod 14 with bending resilience has two ends respectively fixedly connected with the connecting blocks 13, the connecting blocks 13 are fixedly connected with the pull wire 12, the pull wire 12 is internally provided with a movable wire core, one end of the pull wire is fixedly connected with the connecting block 13 at the other end, when the wire core of the pull wire 12 is pulled in the opposite direction, the connecting blocks 13 at the two ends of the long rod 14 move in the opposite direction, and the long rod 14 has a buffer function in the transverse direction after being bent; the long rods 14 are combined side by side on the plane or the circumferential surface, are connected with each other by the tension member, and can respectively form a fence type and cage type tension integral structure after being bent, and the arrangement mode of the long rods 14 is not limited to the two modes listed in the foregoing; the long rod 14 can also be made of a material without bending resilience, and is divided into two sections which are hinged with each other and can be folded in half, and a tension spring is connected to the wire core of the pull wire 12, or the long rod is made of an elastic material, so that the whole structure has a transverse buffering effect.
The rigid member comprises a thin sheet material which can maintain a flat shape in a natural state and can deform under the action of driving force to form the buffer barrier, or can maintain a flat shape under the action of restraining force and can automatically roll back to form the buffer barrier after the restraining force is removed, and the shape of the barrier area comprises but is not limited to a cylinder, a semi-cylinder, an arch bridge, an eggshell shape or a combination of the cylinder, the semi-cylinder, the arch bridge and the eggshell shape. As shown in fig. 4, the rigid element is a bent resilient sheet material 24 which is curled from a flat state into a semi-cylindrical shape under the tension of the pulling wire 23, and has a cushioning effect in the radial direction. The formed integral tension structure can be a single-piece structure or a multi-piece or multi-layer structure. The thin sheet material 24 can also be made of a material which can not be bent and rebounded, and is divided into two pieces which are hinged with each other and can be folded in half, and the stay 23 has elasticity or is connected with an elastic device so that the whole structure has a buffering effect. The sheet material 24 may also be configured to maintain a flat configuration under a restraining force and automatically roll back to form a cushioning barrier upon removal of the restraining force. The shape of the barrier region includes, but is not limited to, cylindrical, semi-cylindrical, arch-bridge, eggshell, or combinations thereof.
The rigid part comprises a curved rod with a curved profile, a ring-shaped member, a sheet-shaped member, a special-shaped member or a convolution spring-shaped member, and a plurality of units are arranged in a superposition manner, can be folded and unfolded outwards or can be folded and unfolded in a translation or telescopic manner in the arrangement direction. The rigid member is a semi-circular ring member 25, fig. 5, which serves as a bottom anchor and may be collapsed for deployment as shown in fig. 5A or everted for deployment as shown in fig. 5B under the influence of a pull wire 26. As shown in fig. 6, the ring-shaped member 25 can be contracted or expanded in a translational or telescopic manner in the arrangement direction by the pull wire 26.
Referring to fig. 7, the cushion element comprises a pull strap 21, which in a closed state is gathered to be slender and hidden beside the seat as shown in fig. 7A, and which after actuation is stretched and tightened as its two ends move along the slide rails 20 and 22 respectively under the action of a pulling device, blocking a possible direction of movement after collision of the protected object, as shown in fig. 7B; the end part of the pull belt 21 is connected with a furling device, or a cross angle is formed between the slide rail 20 and the slide rail 22, and the distance between the two gradually increases from the starting point to the terminal point, so that the pull belt 21 is stretched while being stretched; the drawstring 21 has elasticity or the end part is connected with an elastic device, so that the formed tension structure has a buffer function; the pull belt 21 can also be replaced by a structure formed by combining a plurality of long rods.
As shown in fig. 8, a plurality of long rods 17 are combined into a telescopic arm with a parallelogram structure, the whole structure comprises one or more than two telescopic arms, and the longitudinal axes of different telescopic arms are not parallel to each other so as to increase the pressure resistance; one of two crossed rods at one end of the telescopic arm is fixed, the other rod is connected with a pull wire 18, and the longitudinal telescopic action of the telescopic arm is controlled through the pull wire 18; the pull wire 18 has elasticity or is connected with a spring 19 to make the system have buffer function; the free end of the telescopic arm is externally covered with a puncture resistant layer, a shaping layer, a cushioning layer or a combination thereof 16.
Referring to fig. 9, the rigid member comprises a ring-shaped series 28, a pull wire 29 passes through the central holes of the plurality of series 28 to connect them in series, the end is provided with a trip preventing device 27, the first series 28 is fixed, when the pull wire 29 is in a loose state, the series 28 are not pressed with each other, as shown in fig. 9A, when the pull wire 29 is tightened, the series 28 are pressed with each other to form a straight rod, as shown in fig. 9B; a straight rod formed by the series connectors 28 is used as a support to form an integral tensioning structure, and the top end of the integral tensioning structure is connected with a shaping layer, a buffer layer or the combination of the shaping layer and the buffer layer; the tandem 28 or the pulling wire 29 is made of elastic material, including but not limited to a gas spring or a rubber rope, or the pulling wire 29 is connected with an elastic device, so that the whole tensioning structure formed after the pulling wire 29 is tightened has a buffer function. Each series 28 may also be fixed end to form an arch-shaped rod when the wire 29 is tightened. The spacers 28 may be formed in a porous shape by radially assembling and deforming the spacers on the basis of a ring-shaped member, and each spacer 28 may be controlled by a plurality of wires 29.
Referring to fig. 1, the present invention has an anti-stab layer 10 for preventing accidental scattering of cushioning members or personal injury, or a long rod 9 having its distal end bent inward to hide or to be provided with a helmet. The material used for the stab-resistant layer 10 includes, but is not limited to, aramid fiber, polyethylene or carbon fiber soft fabrics.
The safety device can be used for the side of a passenger on a manned vehicle and the front of a passenger in a rear row except for the position of a driver, for example, the side of the passenger on the side, the front of a passenger in a passenger seat and the front of the passenger in the rear row can be made into the shape of a curtain or a soft package interior, and the exterior of the safety device has decorative colors, textures or patterns, so that the safety device has the sun-shading or decorative function at the same time, or can be used as wearable equipment, is provided with a wearing device to be worn on the body of a user or a protected object, and can be applied to the fields of airborne landing.
Claims (10)
1. A collision safety system of a tensioned integral structure comprises a buffer element, and is characterized in that the buffer element comprises a rigid part, a tensioning part or a combination thereof which can be used for building the tensioned integral structure, is arranged on a carrier or is worn on a protected object or is arranged on a moving route of the protected object, can swing, move, rotate, deform, rebound, expand or tighten under the action of external force or self elasticity to form a tensioned integral bearing structure, or can rebound to form the tensioned integral bearing structure after the constraint of the external force is cancelled, and the structure has a buffer effect because the buffer element has elasticity or is connected with an elastic part; the system is provided with a driving device of a type including but not limited to a servo motor or an air storage tank for driving a buffer function, or a buffer element is driven by a power device of the vehicle, or the buffer element is driven by momentum of a protected object, or more than two driving modes are combined for use; the state of the damping element may comprise a normally open state, or the system may be provided with control means for controlling the activation of the damping element.
2. A tensioned monolithic structure crash safety system according to claim 1 wherein the rigid member comprises an elongated rod, the plurality of cells being actuated to move longitudinally from a collapsed, contracted condition and to stretch the member in a radial deployment to form a cushioning barrier occupying an unsealed space.
3. A tensioned monolithic structure collision safety system according to claim 1 wherein the rigid member comprises an elongated rod having ends movable toward one another upon actuation to bend or fold the midsection portion outwardly to form the cushioning barrier.
4. A tensegrity collision safety system according to claim 1, wherein the rigid member comprises a sheet of material which is capable of maintaining a flat configuration in its natural state and is capable of deforming under the action of a driving force to form a cushioning barrier, or is capable of maintaining a flat configuration under the action of a restraining force and automatically unrolls to form a cushioning barrier when the restraining force is removed, the shape of the barrier region including but not limited to a cylinder, a semi-cylinder, an arch bridge, an eggshell, or combinations thereof.
5. A tensegrity collision safety system according to claim 1, wherein the rigid member comprises a curved rod, ring member, sheet member, profiled member or coil spring-like member with a curved profile, and the plurality of cells are arranged in a stack and can be folded down, folded out, or folded up or folded out in a translational or telescopic manner in the direction of the arrangement.
6. A tensegrity collision safety system according to claim 1, characterised in that the damping element comprises an elongate bar or strap which is bunched into an elongate strip, which can be deployed after activation, stretched in the transverse direction and tightened in the longitudinal direction, blocking the possible direction of movement after collision of the object to be protected.
7. A tensegrity collision safety system according to claim 1, wherein the rigid member comprises a telescopic arm assembled from long rods, fixed at one end and longitudinally telescopic at the other end.
8. A tensegrity collision safety system according to claim 1, wherein the rigid member comprises a plurality of cascades, a plurality of which can be axially combined in series into a straight or arched rod under the action of the tension member.
9. A tensegrity structure collision safety system according to claim 1, 2, 4, 5, 6, 7 or 8, characterised by an anti-stab layer to prevent accidental scattering of the cushioning element or to prick a person, or by the ends of the cushioning element being bent inwards to hide or to carry a protective cap.
10. A tensegrity collision safety system according to claim 9, characterised by the ability to also provide shading or decorative functions, or as wearable gear, with wearing means to be worn on the body of a user or object to be protected.
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Cited By (2)
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CN112043983A (en) * | 2020-08-17 | 2020-12-08 | 温州筱鸣贸易有限公司 | New energy safety hammer used as automobile ornament |
CN115123133A (en) * | 2021-03-25 | 2022-09-30 | 上海汽车集团股份有限公司 | Umbrella type safety protection device, safety protection mechanism and vehicle |
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CN115123133A (en) * | 2021-03-25 | 2022-09-30 | 上海汽车集团股份有限公司 | Umbrella type safety protection device, safety protection mechanism and vehicle |
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