CN116001905A - Collision energy absorbing device, vehicle steering device and vehicle - Google Patents

Abstract

The present application provides a collision energy absorbing device, a vehicle steering device and a vehicle. The collision energy absorbing device is used to absorb the collision energy of the impacted mechanism. The impacted mechanism includes a fixed body and a sliding body slidingly connected with the fixed body. The collision energy absorption The device includes: a fixed seat, fixedly connected with the fixed body; an energy absorbing component, arranged on the fixed seat and connected with the sliding body, is used to adjust the energy absorption capacity based on the collision condition and absorb the collision energy transmitted by the sliding body. Through the above method, the energy-absorbing device can selectively adjust its own energy-absorbing capacity based on the collision conditions, so that the energy-absorbing device can absorb the collision energy with the best energy-absorbing ability, thereby effectively reducing the collision energy received by the impacted mechanism. Switch to crash energy absorbers.

Description

Collision energy absorbing device, vehicle steering device and vehicle

technical field

The field of energy-absorbing devices of the present application particularly relates to a collision energy-absorbing device, a vehicle steering device and a vehicle.

Background technique

After the design of the impacted mechanism is determined, its suction capacity and method are fixed, but the conditions for the collision of the impacted mechanism are indeed ever-changing, such as different speeds of movement, different collision objects, different collision positions, etc., Both will affect the size of the impact energy of the collision. In order to better protect the impacted mechanism, it is hoped that the energy absorption capacity of the impact energy-absorbing device of the impacted mechanism can change with the change of the collision conditions, so that the optimal performance of the collision energy-absorbing device can be exerted. performance, and thus a better bumped body.

Contents of the invention

The present application provides a collision energy absorbing device, a vehicle steering mechanism and a vehicle, which are used to selectively adjust the energy absorbing capacity of the energy absorbing device according to the collision conditions, so that the energy absorbing device can absorb the collision energy with the best energy absorbing capacity.

In order to solve the above technical problems, the technical solution adopted by this application is to provide a collision energy absorbing device for absorbing the collision energy of the mechanism to be hit. The energy device includes: a fixed seat, which is fixedly connected with the fixed body; an energy absorbing component, which is arranged on the fixed seat and connected with the sliding body, is used to adjust the energy absorption capacity based on the collision condition and absorb the collision energy transmitted by the sliding body; The assembly includes: an energy-absorbing steel belt, a first bending part and a plurality of second bending parts are sequentially arranged between the first end and the second end, the sliding main body is fixedly connected to the first end of the energy-absorbing steel belt, and the fixed main body is connected to the first end of the energy-absorbing steel belt. The second end of the energy-absorbing steel belt is connected, wherein the first bending part is arranged close to the first end of the energy-absorbing steel belt relative to the second bending part, and the length direction of the energy-absorbing steel belt is the same as the sliding direction of the sliding body; fixed and maintained The column is fixedly connected with the fixed seat, and the fixed holding column is penetrated in the first bending part and is in surface contact with the first bending part; a plurality of adjustment components are arranged in one-to-one correspondence with the plurality of second bending parts, and the adjustment components are based on the collision condition The energy-absorbing steel belt is selectively threaded in the corresponding second bending portion to adjust the energy-absorbing capacity of the energy-absorbing steel belt.

Wherein, the collision energy-absorbing device is used for the steering mechanism of the vehicle, the mechanism to be hit is the steering mechanism of the vehicle, the collision conditions include the motion parameters of the vehicle and/or the driver's physical index parameters, and the collision energy-absorbing device also includes: a processing circuit , connected with the adjustment component, used to obtain the motion parameters of the vehicle and/or the driver’s body index parameters, and determine the energy absorption parameters based on the motion parameters and/or body index parameters, and use the energy absorption parameters to control the selective wear of the adjustment components in the corresponding second bending portion to adjust the energy-absorbing capacity of the energy-absorbing steel belt.

Wherein, the collision energy includes the first collision energy, and the processing circuit acquires the first motion parameter and/or the driver's first physical index parameter when the vehicle collides for the first time, and based on the first motion parameter and/or the first physical index parameter The parameter determines the first energy-absorbing parameter, and using the first energy-absorbing parameter, sequentially control the corresponding number of adjusting components to pass through the corresponding second bending part along the adjusting direction, so that the energy-absorbing steel belt can obtain the corresponding energy of the first collision The energy absorption capacity; wherein, the adjustment direction is the direction from the first end to the second end.

Wherein, the collision energy also includes the second collision energy; after the energy-absorbing steel belt absorbs the first collision energy, the processing circuit acquires the second motion parameter and/or the driver's second physical index parameter when the vehicle is in the second collision , and determine the second energy-absorbing parameter based on the second motion parameter and/or the second body index parameter, and use the second energy-absorbing parameter to continue to sequentially control the unadjusted adjustment component to pass through the corresponding second bending part along the adjustment direction , so that the energy-absorbing steel belt obtains the energy-absorbing capacity corresponding to the energy of the second collision.

Wherein, the adjusting assembly is passed through the corresponding second bending portion to increase the energy absorbing capacity of the energy-absorbing steel belt; the adjusting assembly is detached from the corresponding second bending portion to reduce the energy-absorbing capacity of the energy-absorbing steel belt.

Wherein, the adjustment assembly includes: a magnetic holding column, whose axial direction is parallel to the axial direction of the fixed holding column; an elastic member, whose one end is connected with the magnetic holding column; an electromagnetic member, which is arranged at the other end of the elastic member, and used The electric signal is received, and a magnetic attraction force is generated based on the electric signal to suck back the magnetic holding column; the magnetic holding column is ejected by the elastic piece when the electromagnetic piece does not receive the electric signal.

Wherein, the adjustment assembly also includes: the warehouse tube, which is provided with a sliding cavity arranged in the axial direction, and the end wall of the sliding cavity is provided with an opening, the electromagnetic part and the elastic part are arranged in the sliding cavity, and the magnetic holding column is connected with the elastic part. One end is arranged in the sliding chamber and can slide along the sliding chamber; the warehouse tube is arranged on the fixed seat.

Wherein, the magnetic holding column is provided with a first limiting portion extending axially, the side wall of the sliding chamber is provided with a second limiting portion extending axially, and the first limiting portion cooperates with the second limiting portion To limit the circumferential movement of the magnetic holding column in the sliding cavity.

In order to solve the above technical problems, the technical solution adopted by this application is to provide a vehicle steering device, the vehicle steering device includes the above-mentioned collision energy absorbing device, the vehicle steering device also includes a steering mechanism, the steering mechanism includes: a fixed body and a fixed Sliding bodies for sliding connections.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present application is: to provide a vehicle, which includes the above-mentioned vehicle steering device.

The beneficial effects of the embodiments of the present application are: the present application provides an energy-absorbing device, wherein the energy-absorbing device includes an energy-absorbing component, and the energy-absorbing component can selectively adjust its own energy-absorbing capacity based on the collision condition, so that the energy-absorbing The device absorbs the collision energy with the best energy-absorbing capacity, thereby effectively converting the collision energy received by the impacted mechanism to the energy-absorbing device.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of a steering device for a vehicle;

Fig. 2 is a schematic structural view of the collision energy absorbing device in Fig. 1;

Fig. 3 is a structural schematic diagram of the energy-absorbing steel strip in Fig. 2;

Fig. 4 is a schematic structural view of the regulating assembly in Fig. 2;

FIG. 5 is a schematic structural view of the fixing seat in FIG. 2 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

The terms "first" and "second" in this application are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover an exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

The collision energy-absorbing device of the present application can be used in the steering mechanism of a vehicle, that is, the collision mechanism is a steering mechanism, and can also be used in other collision mechanisms. The steering mechanism of a vehicle is used as an example for description below.

The steering mechanism of the vehicle is one of the main devices to ensure the safety of the driver. When the vehicle collides, it provides a collapse energy absorption device to reduce the damage to the driver and the protection device for people or creatures hit. However, after the design of the steering column is fixed, the suction capacity and method are fixed, but the conditions for vehicle collisions are indeed ever-changing, such as different vehicle speeds, different collision objects, different collision locations, and different driver weights, etc. , will affect the size of the collision impact energy. In order to better protect the driver, we hope that the steering column collision energy-absorbing device can change the size and change of the energy-absorbing capacity as the collision conditions change, so that the maximum impact of the collision energy-absorbing device can be exerted. Excellent performance, so as to better protect the driver.

The present application provides a collision energy absorbing device 10, as shown in Fig. 1 and Fig. 2, Fig. 1 is a schematic structural diagram of an embodiment of the vehicle steering device of the application; Fig. 2 is a structural schematic diagram of the collision energy absorbing device in Fig. 1 . The collision energy absorbing device 10 is used to absorb the collision energy of the mechanism to be bumped, wherein the mechanism to be bumped (the steering mechanism 40 in FIG. Subject 20.

The impacted mechanism is a mechanism that directly collides with the driver. The impacted mechanism is used to transfer the collision energy received by the driver to the energy-absorbing device 10 so that the energy-absorbing device 10 can absorb the energy.

The crash energy absorbing device 10 includes: a fixing seat 100 and an energy absorbing component 200 .

The fixing seat 100 is connected with the fixing body 30 and is used for providing mechanical support for the energy absorbing assembly 200 .

The energy absorbing component 200 is arranged on the fixing base 100 and connected with the sliding body 20 for adjusting the energy absorbing capacity based on the collision condition and absorbing the collision energy transmitted by the sliding body 20 .

In different application scenarios, the crashed mechanism may be any suitable mechanism for installing the crash energy-absorbing device 10 . For example, in this embodiment, the mechanism to be hit is the steering mechanism 40 of the vehicle. After the vehicle is collided, the driver, due to the inertial effect, brings a large amount of kinetic energy, that is, the collision energy, to collide against the sliding body 20 of the mechanism to be hit. , the sliding body 20 transmits the collision energy to the collision energy-absorbing device 10 whose energy-absorbing capacity has been adjusted based on the collision conditions, so that the collision energy-absorbing device 10 absorbs the collision energy, thereby effectively protecting the life safety of the driver.

Optionally, the energy-absorbing component 200 includes: an energy-absorbing steel belt 210 , a fixed holding column 220 and a plurality of adjusting components 230 .

As shown in FIG. 3 , FIG. 3 is a schematic structural diagram of the energy-absorbing steel belt in FIG. 2 . The energy-absorbing steel belt 210 is an important part for absorbing energy of a collision, and a first bending portion 213 and a second bending portion 214 are sequentially arranged between the first end 211 and the second end 212, and the first bending portion 213 is close to the absorbing The first end 211 of the energy strip is provided. Wherein, in this embodiment, the energy-absorbing steel strip 210 is formed by a rigid steel strip with a certain length after being bent several times, and has multiple parallel sub-sections of the energy-absorbing steel strip 210. The bending connections between each sub-section starting from the first section of the energy-absorbing steel belt 210 and another sub-section are respectively the first bending portion 213 and a plurality of second bending portions 214 of the energy-absorbing steel belt 210 . In other embodiments, the energy-absorbing steel belt 210 may adopt other structural forms, which will not be described in detail here.

The sliding main body 20 is fixedly connected to the first end 211 of the energy-absorbing steel belt 210, and the fixed main body 30 is fixedly connected to the second end 212 of the energy-absorbing steel belt 210, wherein the length direction of the energy-absorbing steel belt 210 is the same as the sliding direction, and can It is understood that the sliding direction of the sliding body 20 is the same as the extending direction of each subsection of the energy-absorbing steel belt 210 .

The fixed holding post 220 is fixedly connected with the fixing base 100 , the fixed holding post 220 penetrates inside the first curved portion 213 , and the outer surface of the fixed holding post 220 is connected to the side wall of the first curved portion 213 . The fixed holding column 220 is connected to the energy-absorbing steel belt 210 in the above-mentioned way, and the energy-absorbing steel belt 210 is subjected to the frictional force and abutting force of the fixed holding column 220, thereby increasing its energy-absorbing capacity. Wherein, the surface of the fixed holding column 220 and the energy-absorbing steel belt 210 has a certain roughness for increasing the frictional force between the fixing and holding column 220 and the energy-absorbing steel belt 210 . At the same time, the comprehensive friction coefficient between the energy-absorbing steel belt 210 and the fixed holding column 220 can also be increased by increasing the width of the energy-absorbing steel belt 210 , thereby improving the energy-absorbing capacity of the energy-absorbing steel belt 210 .

A plurality of adjustment components 230 are provided in one-to-one correspondence with the plurality of second bending portions 214 , and the adjustment components 230 can selectively pass through the corresponding second bending portions 214 based on collision adjustment. Wherein, the part of the adjustment assembly 230 used to pass through the second bending part 214 also has a certain roughness, and the adjustment assembly 230 is passed through in the second bending part 214 in a manner similar to the connection between the fixed holding column 220 and the first bending part 213. After the second bending portion 214, the energy absorbing capacity of the energy absorbing steel belt 210 can be further increased. Wherein, the adjustment component 230 can be selectively inserted into the corresponding second bending portion 214 according to the collision adjustment, so that the energy-absorbing steel belt 210 can be endowed with an energy-absorbing capacity corresponding to the collision energy when the vehicle collides, thereby effectively Ensure the safety of the driver's life.

The adjustment assembly 230 is installed in the corresponding second bending part 214, which can increase the energy absorption capacity of the energy-absorbing steel belt 210; ability. In other words, the principle of adjusting the energy-absorbing capacity of the energy-absorbing steel belt 210 by the adjusting component 230 is similar to that of fixing the holding column 220. The surfaces of the curved parts 214 are in surface-to-surface contact, and when the adjustment assembly 230 is inserted into the corresponding second curved part 214, it is equivalent to increasing the number of frictional forces on the energy-absorbing steel belts 210, thereby increasing the friction of the energy-absorbing steel belts 210. On the contrary, when the adjustment assembly 230 is detached from the corresponding second bending portion 214 , it is equivalent to reducing the number of frictional forces received by the energy-absorbing steel belt 210 , thereby reducing the energy-absorbing capacity of the energy-absorbing steel belt 210 . Selectively controlling the corresponding number of adjustment components 230 to pass through or break away from the second bending portion 214 can effectively adjust the energy absorption capacity of the energy-absorbing steel belt 210, so that the energy-absorbing device can adjust the energy-absorbing capacity corresponding to the collision energy according to the collision conditions. ability.

Different from the prior art, the present application provides an energy-absorbing device, wherein the energy-absorbing device 10 includes an energy-absorbing component 200, and the energy-absorbing component 200 can selectively adjust its own energy-absorbing capacity based on the crash conditions, so that the energy-absorbing The energy-absorbing device absorbs the collision energy with the best energy-absorbing capacity, thereby effectively converting the collision energy received by the driver to the collision energy-absorbing device 10, thereby effectively ensuring the life safety of the driver.

Optionally, the collision condition includes the motion parameters of the vehicle and/or the physical index parameters of the driver. It can be understood that when the energy absorbing device 10 adjusts the energy absorption capacity, the judgment basis can be based on the motion parameters of the vehicle and the driver's physical parameters. The physical index parameter can also be any one of the vehicle's motion parameters or the driver's physical index parameter, and similar expressions mentioned below can also be understood in this way. In this embodiment, the collision energy-absorbing device 10 uses the motion parameters of the vehicle and the driver's physical index parameters as the judgment basis to effectively obtain the energy-absorbing parameters related to the driver's environment, thereby effectively ensuring the life of the driver. Safety. It should be noted that when the energy-absorbing device 10 is applied in other application scenarios, the energy-absorbing device 10 should adopt the judgment basis corresponding to the corresponding application scenario, which will not be described in detail here.

The motion parameters include motion information such as vehicle speed signals, and the body index parameters include parameters such as driver's weight information.

Optionally, the crash energy absorbing device 10 further includes a processing circuit (not shown in the figure).

The processing circuit is connected with the adjustment component 230, and is used to obtain the motion parameters of the vehicle and/or the driver's physical index parameters, and determine the energy absorption parameters based on the motion parameters and/or physical index parameters, and use the energy absorption parameters to control the adjustment component 230 to select The property is threaded in the corresponding second bending portion 214 to adjust the energy-absorbing capacity of the energy-absorbing steel belt 210 .

In other words, the processing circuit is a multifunctional circuit for acquiring collision conditions and selectively controlling the adjustment component 230 passing through the second bending portion 214 based on the collision conditions. The processing circuit can intelligently monitor the collision conditions in real time, and based on the collision conditions Under reasonable conditions, the corresponding adjustment assembly 230 is connected to the corresponding second bending part 214, so as to adjust the energy-absorbing steel belt 210 to obtain the best energy-absorbing capacity, thereby effectively protecting the life safety of the driver. It should be noted that the best energy-absorbing capacity means that while the collision energy suffered by the driver can be fully absorbed, the reaction force of the steering mechanism 40 suffered by the driver is within the tolerance range of the driver's body, and these Both can be calculated through the above-mentioned collision adjustment.

Wherein, the processing circuit may be composed of a control chip and an acquisition circuit, which will not be described in detail here.

When the vehicle is in an accident, after the vehicle is subjected to a collision, the vehicle may also be subjected to multiple inertial collisions, causing the driver to continuously collide with the steering mechanism 40 for multiple times. If the collision energy of all collisions cannot be absorbed, or the steering mechanism 40 is subjected to one Just lose the energy-absorbing ability after collision energy-absorbing, after the driver is subjected to the second or more collisions, the steering mechanism 40 that loses the energy-absorbing ability can cause irreparable damage to the driver.

Optionally, to address the above problems, the collision energy absorbing device 10 of the present application can absorb the collision energy of multiple collisions. Taking two collisions as an example, specifically, the collision energy includes the energy of the first collision and the energy of the second collision, wherein the energy of the first collision is transmitted by the driver colliding with the steering mechanism 40 when the vehicle collides for the first time. Collision energy, the second collision energy is the collision energy received by the driver after the second or more collisions after the first collision, the method for processing the circuit to adjust the energy absorption capacity of the energy-absorbing steel belt 210 is specific as follows.

Before the vehicle collides for the first time, the processing circuit obtains in advance the motion parameters of the vehicle and the body index parameters of the driver at the time of the first collision. Further, the processing circuit obtains the first motion parameter of the vehicle and the first body index parameter of the driver at the time of the first collision, and determines the first energy absorption parameter based on the first motion parameter and the first body index parameter, and determines the first energy absorption parameter based on the first An energy absorption parameter, sequentially controlling a corresponding number of adjustment components 230 to pass through the corresponding second bending portion 214 along the adjustment direction, so that the energy absorption steel belt 210 obtains an energy absorption capacity corresponding to the energy of the first collision.

Further, before the second collision of the vehicle occurs, the processing circuit obtains the second motion parameter of the vehicle and the second body index parameter of the driver based on the second collision, and based on the second motion parameter and the first The second body index parameters determine the second energy-absorbing parameter, and based on the second energy-absorbing parameter, continue to sequentially control the unadjusted adjustment assembly 230 to pass through the corresponding second bending part along the adjustment direction, so that the energy-absorbing steel belt 210 can obtain the same The energy absorption capacity corresponding to the second collision energy.

Wherein, the adjustment direction is along the direction from the first end 211 of the energy-absorbing steel belt 210 to the second end 212 of the energy-absorbing steel belt 210 .

Specifically, the energy-absorbing steel belt 210 absorbs energy through the friction force generated by the fixed holding column 220 and the corresponding quantity adjustment assembly 230 and its own deformation. When a collision occurs, the deformation sequence is sequentially deformed in the corresponding sub-sections along the adjustment direction. . During the first collision, the processing circuit adjusts the corresponding adjustment assembly 230 to pass through the corresponding second bending part 214 along the adjustment direction, so that the energy-absorbing steel belt 210 absorbs the first collision ability with the first energy-absorbing ability, so as to protect the The driver is protected from the first collision. After the first collision, the part of the energy-absorbing steel belt 210 with the adjustment assembly 230 has been deformed and completely or partially ineffective, while the part behind the adjustment direction still has energy-absorbing capacity, so in the second In the first collision, the processing circuit controls the corresponding number of unadjusted adjustment components 230 to pass through the corresponding second bending part 214 along the adjustment direction, and the energy-absorbing steel belt 210 can still obtain the energy-absorbing capacity corresponding to the second collision energy. Thereby effectively guaranteeing that the driver is protected from the injury of the second collision.

Furthermore, if there are more collisions after the second collision, the processing circuit can still continue to adjust the energy-absorbing steel belt 210 along the adjustment direction as long as there are a sufficient number of adjustment components 230 and energy-absorbing steel belts 210 of sufficient length. With the energy absorption capacity of 210, the life safety of the driver in an accident is ensured.

Optionally, as shown in FIG. 4 , FIG. 4 is a schematic structural diagram of the adjustment assembly in FIG. 2 . The adjustment assembly 230 includes: a magnetic holding post 231 , an elastic member 232 , an electromagnetic member 233 and a warehouse tube 234 .

The magnetic holding column 231 is a holding column that can be attracted by magnetic force. In the crash energy absorbing device, the axial direction of the magnetically attractive holding column 231 is parallel to the axial direction of the fixed holding column 220 .

The elastic member 232 is an elastic element. In this embodiment, the elastic member 232 is a spring. In other embodiments, the elastic member 232 may be other elastic elements. One end of the elastic member 232 is connected to the magnetic holding post 231 , wherein the connection relationship between the elastic member 232 and the magnetic holding post 231 can be abutting or welded by welding rod.

The electromagnetic element 233 is an element with controllable magnetic force. The electromagnetic element 233 is disposed at the other end of the elastic element 232 and connected to the processing circuit for receiving electrical signals from the processing circuit. The processing circuit sends an electric signal to the electromagnetic part 233 to control the generation of magnetic attraction force for the electromagnetic part 233 to suck back the magnetic attraction holding post 231. The suction holding post 231 is ejected by the elastic member 232 . Wherein, the magnetic attraction force produced by the electromagnetic part 233 is far greater than the elastic force of the elastic part 232 and the friction force between the magnetic attraction holding column 231 and the energy-absorbing steel belt 210, so as to ensure that the magnetic attraction holding column 231 can be smoothly held by the electromagnetic part 233. The magnetic attraction force draws back in the warehouse tube 234.

The warehouse tube 234 is an element used to provide mechanical support for the magnetic holding column 231 , the elastic element 232 and the electromagnetic element 233 .

Wherein, the warehouse tube 234 is arranged on the fixed seat 100, the warehouse tube 234 is provided with a sliding cavity arranged in the axial direction, and the end wall of the sliding cavity is provided with an opening, and the electromagnetic part 233 and the elastic part 232 are arranged in the sliding cavity, wherein , the electromagnetic element 233 is fixed in the sliding cavity, and is based on the opening of the end wall of the sliding cavity.

One end of the magnetic holding column 231 connected to the elastic member 232 is arranged in the sliding cavity, and can slide along the sliding cavity. When the electromagnetic component 233 generates a magnetic attraction force, the magnetic attraction holding column 231 is controlled by the magnetic attraction force of the electromagnetic component 233 and sucked back. in the slide chamber.

Specifically, when the electromagnetic element 233 cannot receive an electric signal, the magnetic holding column 231 is always pressed against by the elastic element 232 to pass through the second bend, and the elastic element 232 ensures that the energy-absorbing device 10 can absorb When it is enabled, the magnetic holding column 231 will never break away from the second bending portion 214, thereby effectively ensuring the reliability of the adjustment assembly 230. At the same time, the electromagnet 233 is connected to the processing circuit, so that the processing circuit can adjust the connection relationship of the second curved portion 214 of the magnetic holding column 231 under different collision adjustments, thereby realizing the energy absorption of the above-mentioned adjustment of the collision energy-absorbing device 10 ability to function. Through the above method, the energy absorbing capacity of the crash energy absorbing device 10 can be adjusted without complicated structures, thereby effectively saving the cost of the crash energy absorbing device 10 .

Optionally, the magnetic holding column 231 is provided with a first limiting portion extending axially, the side wall of the sliding chamber is provided with a second limiting portion extending axially, the first limiting portion and the second limiting portion The parts cooperate to limit the circumferential movement of the magnetic holding column 231 in the sliding cavity, so as to prevent the magnetic holding column 231 from moving in the circumferential direction due to excessive friction when the energy absorbing device 10 is absorbing energy. , so that the corresponding energy-absorbing steel belt 210 loses its binding effect, thereby causing energy-absorbing failure.

Optionally, as shown in FIG. 5 , FIG. 5 is a schematic structural diagram of the fixing seat in FIG. 2 . In this embodiment, the fixing seat 100 is a structural member of the character "几", which includes a first fixing rib part 110, a second fixing rib part 120 and a beam part 130, wherein the first fixing rib part 110 and the second fixing rib part The two fixed rib parts 120 are arranged at intervals to form an accommodating space, and the energy-absorbing steel belt 210 is arranged in the accommodating space. The beam portion 130 is bridged at one end of the first fixed rib portion 110 and the second fixed rib portion 120 to connect and fix the first fixed rib portion 110 and the second fixed rib portion 120 .

The first fixing rib part 110 is provided with the first fixing hole 111 corresponding to the first bending part 213 , and the second fixing rib part 120 is provided with a second fixing hole 121 corresponding to the pair of fixing holes. Wherein, the fixing and holding column 220 is bridged between the first fixing hole 111 and the second fixing hole 121 to be fixed with the fixing base 100 . Wherein, the fixing and holding column 220 is provided with a second limiting portion along its axial direction, the first fixing hole 111 and the second fixing hole 121 are both provided with a third limiting portion corresponding to the second limiting portion, and the second limiting portion Cooperate with the third limiting part to limit the circumferential movement of the fixed holding column 220, so as to prevent the fixed and holding column 220 from moving axially due to excessive friction when the energy absorbing device 10 is absorbing energy. Therefore, the corresponding energy-absorbing steel belt 210 loses its binding effect, thereby causing energy-absorbing failure.

The first fixed rib part 110 is also provided with a plurality of first through holes 112 corresponding to the second bent parts 214 , and the second fixed rib part 120 is also provided with a second through hole 122 corresponding to the plurality of first through holes 112 . Wherein, the first fixing rib part 110 is also provided with a first fixing part arranged around the first through hole 112, and the outer peripheral side of the open end of the warehouse tube 234 is provided with a second fixing part corresponding to the first fixing part, which is fixed by a connecting piece. After the first fixing part and the second fixing part are connected and fixed, the warehouse tube 234 is fixed on the side of the first fixing rib part 110 away from the second fixing rib part 120 , wherein the magnetic holding column in the adjusting component 230 231 can pass through the first through hole 112, then pass through the second bending portion 214, and pass through the second through hole 122, so that when the magnetic holding column 231 passes through the second bending portion 214, it can also Supported by the first fixed rib part 110 and the second fixed rib part 120, thereby effectively improving the radial force of the magnetic holding column 231, preventing the energy absorbing device 10 from colliding with the radial force of the magnetic holding column 231 Breaking away from the warehouse tube 234 affects the adjustment of the energy absorbing capacity of the crash energy absorbing device 10 .

Wherein, the connecting member may be a connecting member such as a screw.

In this application, the number of adjustment components 230 and the number of second bending parts 214 can be determined based on the actual application scenario of the energy-absorbing device 10, for example, in the embodiment of the application, the number of adjustment components 230 is three, corresponding to The number of the second bent portions 214 is also three.

The present application also provides a vehicle steering device 50, wherein the first love steering device includes the above-mentioned collision energy absorbing device 10, and the vehicle steering device 50 also includes a steering mechanism 40, wherein the steering mechanism 40 includes: the above-mentioned fixed main body 30 and The fixed body 30 is slidably connected to the above-mentioned sliding body 20 .

The present application also provides a vehicle, wherein the vehicle includes the above-mentioned vehicle steering device 50 .

In summary, the present application provides an energy-absorbing device, wherein the energy-absorbing device includes an energy-absorbing component 200, and the energy-absorbing component 200 can selectively adjust its own energy-absorbing capacity based on collision conditions, so that the energy-absorbing device can optimally The energy-absorbing capacity absorbs the collision energy, thereby effectively converting the collision energy received by the driver to the collision energy-absorbing device 10, thereby effectively ensuring the life safety of the driver.

Furthermore, the energy-absorbing device 10 of the present application includes a processing circuit, and the adjustment component 230 of the present application is set in the above-mentioned manner, and in conjunction with the processing circuit, the energy-absorbing device 10 can continuously absorb multiple collision energies, thereby effectively ensuring that the driving In the event of an accident, the occupants are protected from multiple collisions.

It is worth noting that the accompanying drawings herein are only for showing the structural relationship and connection relationship of the product of the invention of the present application, and do not therefore limit the specific structural dimensions of the product of the invention of the present application.

The above is only the embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (10)

1. A collision energy-absorbing device, characterized in that, for absorbing the collision energy of a bumped mechanism, the bumped mechanism includes a fixed body and a sliding body slidingly connected with the fixed body, and the collision energy-absorbing device includes: a fixed seat, fixedly connected with the fixed main body; An energy-absorbing component, arranged on the fixed seat and connected to the sliding body, is used to adjust the energy-absorbing capacity based on the collision condition, and absorb the collision energy transmitted by the sliding body; The energy absorbing components include: The energy-absorbing steel belt has a first bending part and a plurality of second bending parts arranged between the first end and the second end in sequence, the sliding body is fixedly connected to the first end of the energy-absorbing steel belt, and the The fixed body is connected to the second end of the energy-absorbing steel belt, wherein the first curved portion is arranged closer to the first end of the energy-absorbing steel belt relative to the second curved portion, and the energy-absorbing steel belt The length direction is the same as the sliding direction of the sliding body; A fixed holding column, fixedly connected with the fixing seat, the fixed holding column penetrates the first bending part and is in surface contact with the first bending part; A plurality of adjustment components are provided in one-to-one correspondence with the plurality of second bending parts, and the adjustment components are selectively threaded in the corresponding second bending parts based on the collision conditions, so as to adjust the absorption of the energy-absorbing steel belt ability. 2. The energy-absorbing device according to claim 1, wherein the energy-absorbing device is used for a steering mechanism of a vehicle, the mechanism to be hit is the steering mechanism of the vehicle, and the collision conditions include the The motion parameters of the vehicle and/or the physical index parameters of the driver, the collision energy absorbing device also includes: a processing circuit, connected to the adjustment component, configured to acquire the motion parameters of the vehicle and/or the driver's physical index parameters, and determine an energy absorption parameter based on the motion parameters and/or the physical index parameters, And the energy-absorbing parameters are used to control the adjusting component to selectively pass through the corresponding second bending portion, so as to adjust the energy-absorbing capacity of the energy-absorbing steel belt. 3. The collision energy-absorbing device according to claim 2, wherein the collision energy includes the first collision energy, and the processing circuit obtains the first motion parameter and/or the first collision of the vehicle at the first collision the driver's first physical index parameter, and determine a first energy absorption parameter based on the first motion parameter and/or the first physical index parameter, and use the first energy absorption parameter to sequentially adjust along the adjustment direction Controlling a corresponding number of the adjustment components to pass through the corresponding second bending portion, so that the energy-absorbing steel belt obtains an energy-absorbing capacity corresponding to the energy of the first collision; Wherein, the adjustment direction is a direction from the first end to the second end. 4. The collision energy-absorbing device according to claim 3, wherein the collision energy also includes a second collision energy; After the energy-absorbing steel belt absorbs the energy of the first collision, the processing circuit obtains the second motion parameter and/or the second physical index parameter of the driver during the second collision of the vehicle, and Determine a second energy-absorbing parameter based on the second exercise parameter and/or the second physical index parameter, and use the second energy-absorbing parameter to sequentially control the unadjusted adjustment component to wear in the adjustment direction. It is provided in the corresponding second bending portion, so that the energy-absorbing steel belt can obtain an energy-absorbing capacity corresponding to the energy of the second collision. 5. The collision energy-absorbing device according to claim 1, characterized in that, the adjustment assembly is passed through the corresponding second bending portion to increase the energy-absorbing capacity of the energy-absorbing steel belt; the adjustment The assembly is detached from the corresponding second bending portion, so as to reduce the energy absorption capacity of the energy-absorbing steel belt. 6. The energy-absorbing device according to claim 1, wherein the adjusting assembly comprises: The magnetic holding column is arranged axially parallel to the axial direction of the fixed holding column; an elastic member, one end of which is connected to the magnetic holding post; The electromagnetic part is arranged at the other end of the elastic part, and is used to receive an electric signal, and generate a magnetic attraction force based on the electric signal, so as to attract back the magnetic holding column; the magnetic holding column is not in the electromagnetic part When receiving the electric signal, it is ejected by the elastic member. 7. The energy-absorbing device according to claim 6, wherein the adjusting assembly further comprises: The warehouse tube is provided with a sliding cavity arranged along the axial direction, and the end wall of the sliding cavity is provided with an opening, the electromagnetic element and the elastic element are arranged in the sliding cavity, and the magnetic holding column One end connected with the elastic member is arranged in the sliding chamber and can slide along the sliding chamber; the warehouse tube is arranged on the fixing seat. 8. The collision energy absorbing device according to claim 7, characterized in that, the magnetic holding column is provided with a first limiting portion extending along its axial direction, and the side wall of the sliding cavity is provided with a A second limiting part extending axially, the first limiting part cooperates with the second limiting part to limit the circumferential movement of the magnetic holding column in the sliding cavity. 9. A vehicle steering device, characterized in that it comprises the collision energy absorbing device according to any one of claims 1-8, the vehicle steering device further comprising a steering mechanism, the steering mechanism comprising: the fixed main body and The sliding body is slidably connected with the fixed body. 10. A vehicle, characterized by comprising the vehicle steering device according to claim 9.

Images