CN118220308A - Collapse energy-absorbing mechanism of steering column, steering system and vehicle - Google Patents

Abstract

The application discloses a collapse energy absorbing mechanism of a steering column, a steering system and a vehicle, comprising: a fixing member; the steering column is slidably arranged in the fixing member along the collapsing energy absorption direction; an energy absorbing member, a portion of the energy absorbing member configured to deform when subjected to a collapsing force; a fastener connecting the other portions of the securing member and the energy absorbing member to the steering column, wherein the fastener is configured to: and when the steering column is subjected to a force in the collapsing energy absorbing direction, the steering column is disconnected, the fixing member and the steering column are separated, the energy absorbing member and the fixing member are kept connected, or the energy absorbing member and the steering column are kept connected. The collapse energy absorption mechanism of the steering column provided by the embodiment of the application has the advantages of simple structure and high integration level, and can realize stable collapse of the steering column.

Description

Collapse energy-absorbing mechanism of steering column, steering system and vehicle

Technical Field

The application relates to the field of vehicles, in particular to a collapse energy absorption mechanism of a steering column, a steering system and a vehicle.

Background

Along with the evolution of human living standard, people have gradually and commonly applied the collapsing energy-absorbing steering column system to improve the requirements of automobile driving comfort, intelligence and safety. When an automobile is impacted severely, the speed of the automobile is greatly different from that of a driver, the driver leans forward due to inertia, the chest of the driver collides with a steering wheel, and in order to reduce the impact force born by the chest of the driver impacted by the steering column, the steering column is designed into a two-to-three-section crumple form by external extrusion during the impact, so that the impact force transmitted to a human body by the steering column due to the impact is dispersed.

The common steering column crumple mechanism has the defects of complex structure caused by the arrangement of the primary crumple mechanism and the secondary crumple mechanism, low integration level and complex process requirement, and has the defects of difficult control of crumple force once collision and large fluctuation of crumple force.

Disclosure of Invention

The present application has been made in order to solve at least one of the above problems.

According to a first aspect of the present invention there is provided a crush energy absorber for a steering column comprising:

A fixing member;

the steering column is slidably arranged in the fixing member along the collapsing energy absorption direction;

An energy absorbing member, a portion of the energy absorbing member configured to deform when subjected to a collapsing force;

A fastener connecting the other portions of the securing member and the energy absorbing member to the steering column, wherein the fastener is configured to: disconnecting the securing member from the steering column when the steering column is subjected to a force in the collapse energy absorbing direction, the energy absorbing member and the securing member remaining connected, or the energy absorbing member and the steering column remaining connected

Illustratively, the fastener includes a first connecting section through which the other portion of the energy absorbing member is connected with the securing member, and a second connecting section through which the securing member is connected with the steering column, the second connecting section being broken when the steering column is subjected to a force in the collapse energy absorbing direction, the energy absorbing member and the securing member remaining connected through the first connecting section.

Illustratively, a connector is also included, a portion of which connects to the securing member, and another portion of which connects to the energy absorbing member and the steering column via the fastener.

Illustratively, the fastener includes at least one connecting pin, a first connecting hole is formed in the connecting body and matched with the connecting pin, a second connecting hole is formed in the steering column, a third connecting hole is formed in the energy absorbing member, and the connecting pin penetrates through the first connecting hole, the second connecting hole and the third connecting hole.

Illustratively, the connecting body is provided with a first connecting hole matched with the fastener, the first connecting hole is close to the steering column, the first connecting hole is a stepped hole, and the end part with a larger stepped hole size is close to the steering column.

Illustratively, the steering column is provided with a mating bracket projecting from a side wall of the steering column, and a portion of the energy absorbing member is configured to deform when subjected to a force exerted by the mating bracket.

Illustratively, the energy absorbing member includes a connecting portion, a bending portion and a flat plate portion connected in sequence, wherein the connecting portion is used for connecting the fixing member, the bending portion is used for contacting with the mating bracket, when the energy absorbing member is collapsed, the flat plate portion is shorter than before collapsing, and the connecting portion is longer than before collapsing.

Illustratively, the mating bracket is fixedly disposed on a side wall of the steering column, a cavity is formed between the mating bracket and the side wall, a portion of the flat plate portion is disposed in the cavity in a penetrating manner, and the mating bracket abuts against the bending portion when the side wall of the mating bracket adjacent to the bending portion is used for collapsing.

The energy absorbing member is characterized by further comprising an axial driving device, wherein the axial driving device is in transmission connection with the steering column and is used for controlling the steering column to move along the axial direction, the axial driving device comprises a driving motor and a motor screw rod in transmission connection with the driving motor, and the other part of the energy absorbing member is connected with the fixing member through the motor screw rod.

Illustratively, the steering column further comprises a guide member arranged on the fixing member, a sliding groove is arranged on one side of the guide member facing the steering column, and the end part, far away from the steering column, of the fastener is slidably arranged in the sliding groove.

According to a second aspect of the present application there is provided a steering system comprising a steering wheel, the energy absorbing mechanism as hereinbefore described, the steering wheel being connected to the steering column.

According to a third aspect of the present application, there is provided a vehicle comprising: the steering system comprises a vehicle body and the steering system arranged on the vehicle body.

The collapse energy absorption mechanism of the steering column provided by the embodiment of the application has the advantages of simple structure and high integration level, can realize stable collapse of the steering column, increases the safety of vehicle driving, and reduces the manufacturing cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is an overall schematic of a crush energy absorbing mechanism of a steering column shown in accordance with an embodiment of the present invention;

FIG. 2 is an exploded schematic view of a crush energy absorbing mechanism of a steering column shown in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of a sliding column in accordance with an embodiment of the present invention;

FIG. 4A is a schematic structural view of a connector according to an embodiment of the present invention;

FIG. 4B is a schematic diagram of another structure of a connector according to an embodiment of the present invention;

FIG. 5 is a schematic view of an energy absorbing member according to an embodiment of the present invention;

FIG. 6A is a collapsing schematic view of an energy absorbing mechanism according to an embodiment of the present invention;

FIG. 6B is a schematic cross-sectional view taken along the AA-section line of FIG. 6A according to one embodiment of the present invention.

Reference numerals:

1 steering shaft, 2 sliding column casing, 21, matched bracket, 22 second connecting hole, 23 cavity,

3 Middle column casing, 4 energy absorbing component, 43 connecting part, 41 third connecting hole

42 Bending part, 44 flat plate part

5 Connectors, 510 first sheet, 520, second sheet,

51 Fourth connecting hole, 52 first connecting hole

6 Fasteners, 7 screw rod connecting nails, 8 motor screw rods,

9 Drive motor, 10 guide member, 11 set screw, 12 motor set screw

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail with reference to the accompanying drawings. It should be apparent that the described embodiments are only some embodiments of the present invention and not all embodiments of the present invention, and it should be understood that the present invention is not limited by the example embodiments described herein. Based on the embodiments of the invention described in the present application, all other embodiments that a person skilled in the art would have without inventive effort shall fall within the scope of the invention.

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.

It should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In order to provide a thorough understanding of the present invention, detailed structures will be presented in the following description in order to illustrate the technical solutions presented by the present invention. Alternative embodiments of the invention are described in detail below, however, the invention may have other implementations in addition to these detailed descriptions.

Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

As an example, as shown in fig. 1 and 2, the crumple energy absorbing mechanism of the steering column of the present application includes a steering column slidably disposed in a crumple energy absorbing direction within a fixing member, such as a receiving space disposed within the fixing member, and a fixing member slidably disposed in the receiving space along the crumple energy absorbing direction.

The fixing means comprise, for example, a central cylinder 3, the accommodation space being located in the central cylinder 3, and various mounting bosses or the like being provided on the outer face of the central cylinder 3 for mounting, for example, a motor or other structure to be fixed to the central cylinder 3. The intermediate column casing 3 is intended for connection with a tubular beam of a vehicle.

The steering column comprises a steering shaft 1 and a sliding column casing 2, wherein the steering shaft 1 is configured to be connected with a steering wheel of a vehicle, the sliding column casing 2 is sleeved in a middle column casing 3, the steering shaft 1 is sleeved in the sliding column casing 2, and the steering shaft 1 and the sliding column casing 2 can move relative to the middle column casing 3 along the axial direction of the steering shaft 1.

The steering shaft 1, the sliding column casing 2 and the middle column casing 3 are coaxially sleeved in sequence; the steering shaft 1 is fitted in the sliding column casing 2 by means of bearing fit, the sliding column casing 2 is sleeved in the intermediate column casing 3 together with the steering shaft 1, and the sliding column casing 2 is movable in the intermediate column casing 3 together with the steering shaft 1 in the axial direction of the steering shaft 1. The steering shaft 1 is connected with a steering wheel of an automobile, for example, a spline end of the steering shaft 1 is externally connected with the steering wheel, and the middle column casing 3 is connected with a pipe beam of the automobile.

In some examples, as shown in fig. 5, the crush energy absorber mechanism further includes an energy absorbing member 4, a portion of the energy absorbing member 4 being configured to deform when subjected to a crush force. The deformation can play a role in collapsing and absorbing energy.

In some embodiments, the steering column is provided with a mating bracket 21 protruding from a side wall of the steering column, and a portion of the energy absorbing member 4 is configured to deform when receiving a collapsing force applied by the mating bracket 21, for example, to deform in the collapsing energy absorbing direction under the abutment of the mating bracket 21, so as to absorb energy, or to deform under the pulling of the mating bracket 21, so as to absorb energy, and optionally, the energy absorbing member 4 includes a connecting portion 43, a bending portion 42, and a flat portion 44 connected in sequence, and the connecting portion 43 and the flat portion 44 may be substantially parallel. The energy absorbing member 4 may be made of any suitable steel plate or other material, for example, the energy absorbing member 4 is made of ultra low carbon steel. In this specific example, the energy absorbing member 4 made of ultra low carbon steel has very good extensibility, so that a relatively stable deformation force value can be achieved, and further, the collapse energy absorbing efficiency can be ensured to be improved. In some embodiments, the connecting portion 43 is connected to connect the connecting body 5, the bending portion 42 is used to contact with the mating bracket 21, and the flat plate portion 44 is attached to a part of the surface of the steering column, for example, to a part of the surface of the sliding column 2, where the surface of the sliding column 2 may be a plane, the length of the flat plate portion 44 is shorter than before the collapse, and the length of the connecting portion 43 is longer than before the collapse. In order to achieve a connection of the energy-absorbing member 4 and the connecting body 5, a third connecting hole 41 is also provided in the connecting portion 43.

In some examples, as shown in fig. 3, the engaging bracket 21 is fixedly disposed on a side wall of the steering column, such as the sliding column casing 2, a cavity 23 is formed between the engaging bracket 21 and the side wall, a portion of the flat plate portion 44 is disposed in the cavity 23, and the side wall of the engaging bracket 21 adjacent to the bending portion 42 is used to abut against the bending portion 42. In one embodiment, a window is formed on the side surface of the middle column casing 3, and the position of the energy absorbing member 4 corresponds to the position of the window. In some embodiments, a second attachment hole 22 is provided in the mating bracket 21 for attachment to the fastener 6.

Further, as shown in fig. 1 and 2, the crush energy absorbing mechanism further includes a fastener 6, the fastener 6 connecting the securing member and another portion of the energy absorbing member 4 (e.g., the connecting portion 43 of the energy absorbing member 4) to the steering column via the fastener 6, the fastener 6 being configured to: when the steering column is subjected to acting force along the collapsing energy-absorbing direction, the steering column is disconnected, so that the fixing member is separated from the steering column, a primary collapsing energy-absorbing process is realized, the energy-absorbing member 4 is connected with the fixing member, or the energy-absorbing member 4 is connected with the steering column, and when the steering column slides relative to the fixing member along the collapsing direction, the energy-absorbing member 4 is deformed, so that a secondary collapsing energy-absorbing process is realized.

In a specific embodiment, the crush energy absorbing mechanism further comprises a connector 5, a portion of the connector 5 being connected to the securing member, and another portion of the connector 5 being connected to another portion of the energy absorbing member 4 and the steering column via the fastener 6. Specifically, the connecting body 5 is fixedly connected with the middle column casing 3, the connecting body 5 and the energy absorbing member 4 are connected with the matching bracket 21 through the fastening piece 6, wherein the fastening piece 6 is configured to: when the steering column is subjected to the acting force along the collapsing energy absorption direction, the steering column is disconnected, so that the fixing member is separated from the steering column, for example, the connection between the connecting body 5 and the steering column is cut off, the primary collapsing energy absorption process is realized, the connection between the energy absorption member 4 and the connecting body 5 is maintained, after the fastener 6 is cut off, the steering column generates relative sliding along the collapsing direction relative to the energy absorption member 4 and the connecting body 5, the secondary collapsing energy absorption process is realized, and the stable secondary collapsing force is realized by utilizing the deformation of the energy absorption member 4.

Optionally, the fastener 6 may be a connecting nail, and the energy absorption peak value of the steering column assembly may be modified by selecting energy absorption rivets with different materials, sizes, thicknesses and the like, so as to realize an adjustable energy absorption peak value structure, and a driver or a vehicle owner may select and modify the energy absorption peak value according to actual situations, so that the energy absorption peak value structure is more suitable for various actual situations, wherein the number of the connecting nails may be reasonably set according to actual needs.

In some embodiments, the fastener 6 comprises a first connection section through which the other portion of the energy absorbing member 4 is connected to the securing member, and a second connection section through which the securing member is connected to the steering column, the second connection section being broken when the steering column is subjected to a force in the collapse energy absorbing direction, the energy absorbing member 4 and the securing member remaining connected through the first connection section.

In a specific embodiment, the connecting body 5 is connected with another part of the energy absorbing member 4 through the first connecting section, the connecting body 5 is connected with the steering column through the second connecting section, when the steering column is subjected to the acting force along the collapsing energy absorbing direction, the second connecting section is disconnected, and the energy absorbing member 4 is connected with the connecting body 5 through the first connecting section, so that the connection with the fixing member is maintained.

In some embodiments, as shown in fig. 4A and 4B, the connector 5 includes a first sheet body 510 and a second sheet body 520, where the first sheet body 510 and the second sheet body 520 are connected by bending, the second sheet body 520 is used to connect to the middle column casing 3, a first connection hole 52 is provided on the first sheet body 510, a fourth connection hole 51 is provided on the second sheet body 520, the first connection hole 52 is used to connect to the mating bracket 21 of the sliding column casing 2, and the fourth connection hole 51 is used to connect to the middle column casing 3, for example, to connect to an axial driving device disposed on the middle column casing 3.

In some embodiments, the fastener 6 comprises at least one connecting pin, the connecting body 5 is provided with a first connecting hole 52 matched with the connecting pin, the matching bracket 21 is provided with a second connecting hole 22, the energy absorbing member 4 is provided with a third connecting hole 41, and the connecting pin penetrates through the first connecting hole 52, the second connecting hole 22 and the third connecting hole 41, so that the connecting body 5 and the energy absorbing member 4 are connected with the matching bracket 21.

In this specific example, the first sheet 510 and the second sheet 520 of the connector 5 are connected by bending, for example, by bending at right angles, so that the connector 5 has an L-shaped cross section. The first sheet 510 is provided with a first connecting hole 52 for connecting the fastening member 6, and the second sheet 520 is connected to the motor screw 8 of the axial driving device, for example, by a screw connecting pin 7 penetrating through the fourth connecting hole 51.

In one example, the first connecting hole 52 of the connecting body 5 is close to the steering column, for example, close to the mating bracket 21, and the first connecting hole 52 is a stepped hole, and the end of the larger size of the stepped hole is close to the steering column, for example, close to the mating bracket 21 on the steering column, and by providing the stepped hole, the energy absorbing member 4 can be fixed from being pulled out when the secondary collapse occurs, so that the secondary collapse is ensured to be normally performed.

In other embodiments, the crush energy absorbing mechanism further includes a fastener 6, the fastener 6 connecting the securing member and another portion of the energy absorbing member 4 (e.g., the connecting portion 43 of the energy absorbing member 4) to the steering column via the fastener 6, the fastener 6 configured to: when the steering column is subjected to acting force along the collapsing energy-absorbing direction, the steering column is disconnected, the fixing member is separated from the steering column, the energy-absorbing member 4 is kept connected with the steering column, and when the steering column slides relative to the fixing member along the collapsing direction, the energy-absorbing member 4 is deformed to realize a secondary collapsing energy-absorbing process. In some embodiments, the fastener 6 comprises a first connection section through which the other portion of the energy absorbing member 4 is connected to the securing member and a second connection section through which the other portion of the energy absorbing member 4 is connected to the steering column, the second connection section being disconnected when the steering column is subjected to a force in the collapsing energy absorbing direction, the steering column and securing member being separated, the energy absorbing member 4 and the steering column remaining connected through the first connection section. In a specific embodiment, the connecting body 5 is connected with another part of the energy absorbing member 4 through the second connecting section, the other part of the energy absorbing member 4 is connected with the steering column through the first connecting section, when the steering column receives the acting force along the collapsing energy absorbing direction, the second connecting section is disconnected, the connection between the energy absorbing member 4 and the connecting body 5 is disconnected, so that the fixing member and the steering column are separated to play a role of primary collapsing energy absorption, the energy absorbing member 4 and the steering column are kept connected through the first connecting section, when the steering column slides along the collapsing direction relative to the fixing member, the energy absorbing member 4 abuts against the connecting body 5, deformation is caused to occur to the energy absorbing member 4, for example, the connecting portion 43 of the energy absorbing member 4 approaches the steering column, when the steering column is provided with the matching bracket 21, the connecting portion 43 approaches the matching bracket 21, and the flat plate portion 44 of the energy absorbing member 4 approaches the connecting body, so that the fixing member is surrounded by the flat plate portion 44, when the steering column receives the acting force along the collapsing direction relative to the fixing member 4, the buckling member 4 is kept against the connecting body 4, and the deformation is caused to occur to achieve the first collapsing direction relative to the connecting member 4.

In some embodiments, the collapsing energy absorbing mechanism further comprises an axial driving device, the axial driving device comprises a driving motor 9 and a motor screw rod 8, the driving motor 9 is connected to the middle column casing 3, for example, is fixed to the middle column casing 3 through a motor fixing screw 12, another part of the energy absorbing member 4 is connected to a fixing member through the motor screw rod 8, more specifically, the motor screw rod 8 is connected to the connecting body 5, and the connecting body is connected to the energy absorbing member 4 through a fastener 6, so that the connection between the other part of the energy absorbing member and the fixing member is realized; the driving motor 9 drives the motor screw rod 8 to move along the axial direction.

In a specific example, the driving motor 9 is connected to the middle column casing 3 and keeps still, and the driving motor 9 drives the screw rod 8 of the driving motor 9 to do axial translation movement; it will be appreciated that the axial direction of the motor lead screw 8 and the axial direction of the steering shaft 1 are mutually parallel. Further, when collision collapse occurs, the self-locking force of the driving motor 9 is larger than the collapse force, the collapse force is stable in value and small in fluctuation, and therefore the connector 5 connected with the motor screw rod 8 can be kept in a fixed state when collision collapse occurs.

In some embodiments, the energy absorbing mechanism further comprises a guiding member 10, the guiding member 10 is arranged on the fixing member, for example, the guiding member 10 is connected with the middle column casing 3 through a fixing screw 11, a sliding groove is formed in one side, facing towards the steering column, of the guiding member 10, the end, far away from the steering column, of the fastening piece 6, for example, a screw cap, is slidably arranged in the sliding groove, in the whole collapsing process, the guiding member 10 controls the moving direction, the collapsing direction is prevented from being changed due to stress, the self-locking force of the driving motor 9 is generally larger than the primary collapsing force, the collapsing force value is small and stable, the whole structure is simple, the assembly process is mature, parts are few, and the manufacturing cost is low.

The energy absorption principle of the collapse energy absorption mechanism is as follows: as shown in fig. 6A and 6B, when the crumpling mechanism crumples, the middle column casing 3, the energy absorbing mechanism 4, the connector 5, the fastener 6, the screw rod connecting nail 7, the motor screw rod 8, the driving motor 9, the guiding member 10, the fixing screw 11 and the motor fixing screw 12 are fixed, the fastener 6 comprises two connecting nails, such as blind rivets, when the stress is greater than the primary crumpling force, the two blind rivets are cut off by the collision force along the axial direction, the primary crumpling energy absorbing process is realized, after the two primary crumpling blind rivets are cut off, the steering shaft 1 and the sliding column casing 2 slide relatively to the connector 5 and the energy absorbing member 4 along the crumpling direction, and the secondary crumpling energy absorbing process is realized. When primary collapse energy absorption occurs, two primary collapse self-plugging rivets riveted among the sliding column casing 2, the energy absorption member 4 and the connecting body 5 are cut off, and most of energy generated by collision is absorbed by utilizing the action of the two primary collapse self-plugging rivets; along with the movement of the steering shaft 1 and the sliding column casing 2, the sliding column casing 2 generates relative sliding relative to the energy-absorbing member 4 and the connector 5 at the moment, and the bracket 21 is matched with the bending part of the energy-absorbing member 4 to cause the deformation of the energy-absorbing member 4 to generate a stable deformation force, the stable secondary collapse force is realized by the deformation, the direction of movement is controlled by the guide groove of the guide member 10, the two-stage collapse force value is realized by the difference of the thickness or the width of the energy-absorbing member 4, and the expansion property is good, the torn force value is stable and the collapse energy-absorbing efficiency is improved well because the material of the energy-absorbing member 4 is super low carbon steel.

In summary, compared with the conventional technology, the invention has the following advantages: the collapse energy absorption mechanism has reasonable structural design, simple structure and low manufacturing cost. When the vehicle collides, the multistage energy absorption process is high and stable in energy absorption efficiency, and the driver can avoid huge human injury caused by impact, so that the safety performance is high.

In another aspect of the application, there is also provided a steering system comprising a steering wheel coupled to a steering column, such as a steering shaft coupled to the steering column, and an energy absorbing mechanism as described above.

In another aspect of the present application, there is also provided a vehicle including: a vehicle body; and the aforementioned steering system provided on the vehicle body.

Therefore, the vehicle of the present application also has all the advantages of the steering column assembly and the steering system described above, and will not be described herein.

The present invention has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. In addition, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications are possible in light of the teachings of the invention, which variations and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (12)

1. A crush energy absorber for a steering column, comprising:

A fixing member;

the steering column is slidably arranged in the fixing member along the collapsing energy absorption direction;

An energy absorbing member, a portion of the energy absorbing member configured to deform when subjected to a collapsing force;

A fastener connecting the other portions of the securing member and the energy absorbing member to the steering column, wherein the fastener is configured to: and when the steering column is subjected to a force in the collapsing energy absorbing direction, the steering column is disconnected, the fixing member and the steering column are separated, the energy absorbing member and the fixing member are kept connected, or the energy absorbing member and the steering column are kept connected.

2. The energy absorbing mechanism of claim 1, wherein the fastener includes a first connecting section through which another portion of the energy absorbing member is connected to the securing member and a second connecting section through which the securing member is connected to the steering column, the second connecting section being broken when the steering column is subjected to a force in the collapse energy absorbing direction, the energy absorbing member and securing member remaining connected through the first connecting section.

3. The energy absorbing mechanism of claim 1, further comprising a connector, a portion of the connector connecting the securing member, and another portion of the connector connecting with another portion of the energy absorbing member and the steering column via the fastener.

4. The energy absorbing mechanism of claim 3, wherein the fastener comprises at least one connecting pin, a first connecting hole is formed in the connecting body and mates with the connecting pin, a second connecting hole is formed in the steering column, a third connecting hole is formed in the energy absorbing member, and the connecting pin is disposed through the first connecting hole, the second connecting hole, and the third connecting hole.

5. The energy absorbing mechanism of claim 3, wherein the connector body is provided with a first attachment hole that mates with the fastener, the first attachment hole being adjacent the steering column, the first attachment hole being a stepped hole, the larger sized end of the stepped hole being adjacent the steering column.

6. The energy absorbing mechanism of claim 1, wherein the steering column is provided with a mating bracket protruding from a side wall of the steering column, and a portion of the energy absorbing member is configured to deform when subjected to a force exerted by the mating bracket.

7. The energy absorbing mechanism of claim 6, wherein the energy absorbing member comprises a connecting portion, a bending portion, and a plate portion connected in sequence, wherein the connecting portion is configured to connect to the securing member, the bending portion is configured to contact the mating bracket, the plate portion has a length shorter than before the collapse, and the connecting portion has a length longer than before the collapse when the collapse occurs.

8. The energy absorber of claim 7, wherein the mating bracket is fixedly disposed on a side wall of the steering column, a cavity is formed between the mating bracket and the side wall, a portion of the flat plate portion is disposed in the cavity in a penetrating manner, and the mating bracket abuts against the bending portion when the side wall of the mating bracket adjacent to the bending portion is used for collapsing.

9. The energy absorbing mechanism of claim 1, further comprising an axial drive drivingly connected to the steering column for controlling axial movement of the steering column, the axial drive including a drive motor and a motor lead screw drivingly connected to the drive motor, the other portion of the energy absorbing member being connected to the stationary member by the motor lead screw.

10. The energy absorbing mechanism of claim 1, further comprising a guide member disposed on the stationary member, a side of the guide member facing the steering column being provided with a sliding groove, an end of the fastener remote from the steering column being slidably disposed within the sliding groove.

11. A steering system comprising a steering wheel, and an energy absorbing mechanism according to any one of claims 1 to 10, wherein the steering wheel is coupled to the steering column.

12. A vehicle, characterized by comprising:

A vehicle body;

The steering system of claim 11 disposed on the vehicle body.