CN114537506B - Intelligent crumple type steering column system of automobile - Google Patents
Intelligent crumple type steering column system of automobile Download PDFInfo
- Publication number
- CN114537506B CN114537506B CN202210330744.4A CN202210330744A CN114537506B CN 114537506 B CN114537506 B CN 114537506B CN 202210330744 A CN202210330744 A CN 202210330744A CN 114537506 B CN114537506 B CN 114537506B
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- Prior art keywords
- sleeve
- collision
- steering column
- crumple
- module
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- 230000007704 transition Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006378 damage Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
-
- 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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
Abstract
The invention discloses an intelligent crumple type steering column system of an automobile, which comprises a steering column, a driving module, a collision sensing module and a control module, wherein the steering column comprises a crumple sleeve, an upper outer tube and a lower inner tube, the crumple sleeve is provided with an upper sleeve, a transition sleeve and a lower sleeve, the outer periphery of the upper sleeve is clamped with the inner side surface of the upper outer tube, the inner side surface of the upper sleeve is fixedly connected with the outer side of the lower inner tube, a fracture part is formed on the transition sleeve, and a step which is abutted with the lower end surface of the upper outer tube is arranged on the lower sleeve; the collision sensing module judges whether the collision reaches a collision breaking point of the steering column at the moment of collision of the vehicle, and sends a collision signal to the control module when judging that the collision breaking point reaches the collision breaking point; the control module controls the driving module to drive the step to move downwards when receiving the collision signal, so that the crumple sleeve is broken at the breaking part; according to the intelligent crumple type steering column system of the automobile, when a front collision occurs, the steering column can crumple before a driver impacts a steering wheel.
Description
Technical Field
The invention relates to the technical field of automobile steering columns, in particular to an intelligent crumple type steering column system of an automobile.
Background
The steering column is an essential component in a vehicle steering system and is used for transmitting the rotation motion of a steering wheel to a steering gear so as to realize the steering of the vehicle. When the automobile is impacted, because the automobile suddenly stops moving, a driver can quickly forward under the action of inertia, and the chest of the human body can collide with the steering wheel. The collapsible steering column can collapse and deform according to the pre-design, so that the damage caused by the impact of the steering column on the chest of a driver is reduced. The moment when the chest of the person hits the steering wheel must, however, have caused a certain degree of injury to the driver, and a design of a structure or means is needed to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to overcome the defects, and provides an intelligent crumple type steering column system of an automobile, which can crumple a steering column before a driver impacts a steering wheel when a front collision occurs.
The invention provides an intelligent crumple type steering column system of an automobile, which comprises a steering column, a driving module, a collision sensing module and a control module, wherein the steering column comprises a crumple sleeve, an upper outer tube and a lower inner tube, the crumple sleeve is composed of an upper sleeve, a transition sleeve and a lower sleeve which are sequentially and fixedly connected, the outer peripheral surface of the upper sleeve is provided with a clamping strip which is clamped with the inner side surface of the upper outer tube and is arranged along the axial direction of the upper sleeve, the inner side surface of the upper sleeve is sleeved on the outer side of the lower inner tube and is fixedly connected with the lower inner tube, a fracture part is formed on the transition sleeve, the fracture part is composed of a plurality of fracture through holes which are arrayed in a circular array by taking the axis of the transition sleeve as a central line, and the lower sleeve is provided with steps which are abutted with the lower end surface of the upper outer tube; one output end of the driving module is fixedly connected with the step; the collision sensing module is used for judging whether the collision reaches the collision breaking point of the steering column at the moment when the vehicle collides, and sending a collision signal to the control module when judging that the collision breaking point is reached; the control module is electrically connected with the collision sensing module and the driving module, and controls the driving module to drive the step to move along the direction away from the steering wheel when receiving a collision signal sent by the collision sensing module, so that the crumple sleeve is broken at the breaking part.
Further, the transition sleeve is further provided with a protruding unit located below the breaking portion, the protruding unit comprises a plurality of protruding blocks distributed in a circular array along the axis of the transition sleeve, and the protruding blocks are clamped with the inner side face of the upper outer tube.
Further, the radial height of the protruding block gradually increases along the direction towards the step, and the maximum radial height of the protruding block is equal to the radial height of the clamping strip.
Further, the driving module comprises a generator, a first electromagnet unit and a second electromagnet unit, the first electromagnet unit is fixedly installed on the lower inner tube and far away from the crumple sleeve, the second electromagnet unit is fixedly installed on the step, the control module controls the generator to supply power to the first electromagnet unit and the second electromagnet unit when receiving a collision signal sent by the collision sensing module, and the second electromagnet unit drives the step to move along a direction far away from the steering wheel under the attraction of the first electromagnet unit.
Further, still include the pressure sensing module of setting on the car steering wheel, drive portion still includes fixed mounting the third electro-magnet unit of the lower extreme lateral surface of outer tube in the upper outer tube, pressure sensing module is used for detecting the pressure that the steering wheel received and judges whether to reach collision collapse point according to this pressure, when judging to reach to control module sends pressure signal, control module is after receiving collision signal with pressure signal to third electro-magnet with first electro-magnet power supply and do not to the second electro-magnet power supply, the third electro-magnet is in under the attraction of first electro-magnet to along keeping away from the direction of steering wheel.
Further, the buffer module comprises an installation blind hole formed on the inner side of the upper outer tube, an elastic column with one end fixedly connected with the bottom wall of the installation blind hole, a friction block fixed on the other end of the elastic column, and a round table-shaped friction structure fixedly mounted on the upper end of the lower inner tube, wherein the friction structure extends out of the upper end of the upper sleeve, and the outer side face of the upper end of the friction structure is propped against the friction block.
Further, the friction block is spherical.
Further, the elastic column is a spring.
Further, an embedded groove is formed in the inner side face of the upper sleeve, and an embedded block embedded in the embedded groove is arranged on the outer side face of the lower inner tube.
Further, the crumple sleeve is provided with an axial notch for connecting the two axial ends of the crumple sleeve.
The beneficial effects of the invention are as follows: according to the intelligent crumple type steering column system of the automobile, when the automobile collides to a certain degree, the lower sleeve moves downwards, so that the upper outer tube can move downwards continuously if the outer tube is subjected to external force, namely, the steering wheel receives enough impact force and can move in a direction away from a driver, at the moment, the situation that the steering wheel needs to be rotated possibly exists, and a steering margin is reserved for the driver. Moreover, if the driver is impacted on the steering wheel by the forward movement of the inertia force, the upper outer tube can be moved downwards by the impact force, so that the injury to the chest of the driver is greatly reduced, and the effect of protecting the chest is achieved.
Furthermore, the invention also provides a pressure sensor, when the driver moves forwards by inertia force, the safety belt and the air bag can not fully absorb the forward movement energy of the driver, the driver impacts the steering wheel, the pressure sensor detects certain pressure, a signal is sent to the control module immediately, and the control module controls the upper outer tube to move downwards, so that the injury to the chest of the driver is further reduced.
Moreover, through the arrangement of the buffer unit, the impact force of the driver can be gradually reduced, and the driver is well protected.
Drawings
FIG. 1 is a schematic block diagram of an automotive intelligent crush steering column system in an embodiment of the present invention;
FIG. 2 is a schematic illustration of the structure of a steering column in an embodiment of the invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a schematic view of the structure of the upper shell in an embodiment of the present invention; and
fig. 5 is a flow chart of the operation of the intelligent crumple steering column system of the car in an embodiment of the invention.
In the figure, 10 is a steering column, 11 is a lower inner tube, 12 is an upper outer tube, 13 is a crumple sleeve, 14 is a clamping strip, 15 is an embedded block, 16 is an embedded groove, 17 is a fracture through hole, 18 is a step, 19 is a protruding block, 20 is a driving module, 30 is a collision sensing module, 40 is a pressure sensing module, 50 is a buffer module, 51 is a mounting blind hole, 52 is an elastic column, 53 is a friction structure, 54 is a friction block, and 60 is a control module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the invention, are within the scope of the invention based on the embodiments of the invention.
FIG. 1 is a schematic block diagram of an automotive intelligent crush steering column system in an embodiment of the present invention.
As shown in fig. 1, the automotive intelligent crumple type steering column system in this embodiment includes a steering column 10, a driving module 20, a collision sensing module 30, a pressure sensing module 40, a buffer module 50, and a control module 60.
FIG. 2 is a schematic illustration of the structure of a steering column in an embodiment of the invention; FIG. 3 is an enlarged view of a portion A of FIG. 2; fig. 4 is a schematic structural view of the upper shell in the embodiment of the present invention.
As shown in fig. 2 to 3, the steering column 10 includes a lower inner tube 11, an upper outer tube 12 fitted over the outer side of the lower inner tube 11, and a crush sleeve 13 provided between the upper outer tube 12 and the lower inner tube 11.
The lower side of the lower inner tube 11 has a lower fixing portion embedded inside the crush can 13. The outer side of the lower fixing part is provided with an embedded block 15.
The lower side of the upper outer tube 12 is an upper fixing part sleeved on the outer side surface of the crumple sleeve 13. A gap is provided between the upper outer tube 12 and the lower inner tube 11.
The crumple sleeve 13 is provided with an axial notch for connecting the two axial ends of the crumple sleeve 13, and is composed of an upper sleeve, a transition sleeve and a lower sleeve which are fixedly connected in sequence.
The outer peripheral surface of the upper sleeve is provided with an engagement strip 14 engaged with the inner side surface of the upper outer tube 12, and the engagement strip 14 is in interference fit with the inner side surface of the upper outer tube 12. The cross section of the clamping strip 14 is triangular, and the length direction of the clamping strip 14 is arranged along the axial direction of the upper sleeve so as to ensure the embedded connection and limit of the upper outer tube 12 and the lower inner tube 11, provide axial friction damping and further ensure axial rotation torque; when the external force is received by the upper outer tube 12 and the lower inner tube 11, the relative angle in the circumferential direction is not easy to change. The inner side surface of the upper sleeve is sleeved on the outer side of the lower inner tube 11 and fixedly connected with the lower inner tube 11, specifically, the inner side surface of the upper sleeve is provided with an embedded groove 16, and the outer side surface of the lower inner tube 11 is provided with an embedded block 15 embedded in the embedded groove 16.
The transition sleeve is provided with a fracture part, and the fracture part is composed of a plurality of fracture through holes 17 which are distributed in a circular array by taking the axis of the transition sleeve as a central line. The transition sleeve is also provided with a protruding unit positioned below the fracture part, the protruding unit comprises a plurality of protruding blocks 19 distributed in a circular array along the axis of the transition sleeve, and the protruding blocks 19 are clamped with the inner side surface of the upper outer tube 12. The radial height of the protruding block 19 gradually increases in the direction toward the step 18, and the maximum radial height of the protruding block 19 is equal to the radial height of the engaging strip 14.
The lower sleeve is provided with a step 18 which is abutted with the lower end face of the upper fixing part.
The driving module 20 includes a generator, a first electromagnet unit, a second electromagnet unit, and a third electromagnet unit.
The first electromagnet unit is fixedly mounted on the lower inner tube 11 below the step 18 of the crush sleeve 13.
The second electromagnet unit is fixedly mounted on the step 18.
The third electromagnet unit is fixedly arranged on the outer side surface of the upper fixing part.
The collision sensing module 30 is configured to determine whether the collision reaches a collision breaking point of the steering column 10 at the moment when the vehicle collides, and to transmit a collision signal to the control module 60 when it is determined that the collision breaking point is reached.
The pressure sensor module 40 is disposed on the steering wheel of the automobile, and is configured to detect the pressure applied to the steering wheel and determine whether the collision crush point is reached according to the pressure, and send a pressure signal to the control module 60 when the collision crush point is determined to be reached.
The buffer module 50 includes a mounting blind hole 51 formed inside the upper outer tube 12, an elastic column 52 having one end fixedly connected to a bottom wall of the mounting blind hole 51, a friction block 54 fixed to the other end of the elastic column 52, and a circular truncated cone-shaped friction structure 53 fixedly mounted to an upper end of the lower inner tube 11. The elastic column 52 includes a telescopic rod and a spring sleeved outside the telescopic rod. The two ends of the telescopic rod are fixedly connected with the bottom wall of the mounting blind hole 51 and the friction block 54 respectively. The two ends of the spring are fixedly connected with the bottom wall of the mounting blind hole 51 and the friction block 54 respectively.
The friction block 54 has a spherical shape.
The friction structure 53 extends out from the upper end of the upper sleeve, and the outer side surface of the upper end of the friction structure 53 abuts against the friction block 54. Normally, the spring is in a natural state, and the friction block 54 abuts against the outer side surface of the upper end of the friction structure 53.
The control module 60 is electrically connected with the collision sensing module 30, the driving module 20 and the pressure sensing module 40, and is used for controlling the generator to supply power to the first electromagnet unit and the second electromagnet unit when receiving a collision signal sent by the collision sensing module 30, and the second electromagnet unit drives the step 18 to move along a direction away from the steering wheel under the attraction of the first electromagnet unit so as to enable the crumple 13 to break at a breaking part; further, upon receiving the collision signal and the pressure signal, the third electromagnet and the first electromagnet are supplied with power and the second electromagnet is not supplied with power, and the third electromagnet moves in a direction away from the steering wheel toward the upper outer tube 12 under the attraction of the first electromagnet.
Fig. 5 is a flow chart of the operation of the intelligent crumple steering column system of the car in an embodiment of the invention.
As shown in fig. 5, the flow of the actions of the intelligent crumple type steering column 10 system for an automobile in the present embodiment when the automobile collides is as follows:
step 1, the collision sensing module 30 detects the degree of collision at the moment when the vehicle collides, judges whether the collision reaches the collision breaking point of the steering column 10, and sends a collision signal to the control module 60 when the collision breaking point is judged to be reached;
step 2, the control module 60 receives the collision signal to control the generator to supply power to the first electromagnet unit and the second electromagnet unit, and the second electromagnet unit drives the step 18 to move along the direction away from the steering wheel under the attraction of the first electromagnet unit;
step 3, the pressure sensing module 40 detects the pressure applied to the steering wheel and judges whether the collision collapse point is reached according to the pressure, and sends a pressure signal to the control module 60 when judging that the collision collapse point is reached,
in step 4, the control module 60, after receiving the collision signal and the pressure signal, supplies power to the third electromagnet and the first electromagnet, and stops supplying power to the second electromagnet, and the third electromagnet moves in a direction away from the steering wheel under the attraction of the first electromagnet.
The principle of the intelligent crumple type steering column system of the automobile is as follows, when the automobile collides to a certain extent, the lower sleeve moves downwards, so that the upper outer tube 12 can move downwards continuously if the external force is applied, namely, the steering wheel receives enough impact force and can move in a direction away from a driver, at the moment, the situation that the steering wheel needs to be rotated possibly exists, and a steering margin is reserved for the driver. Moreover, if the driver is impacted on the steering wheel by the forward movement of the inertia force, the upper outer tube 12 can be moved downwards by the impact force, so that the injury to the chest of the driver is greatly reduced, and the effect of protecting the chest is achieved.
Further, the present embodiment further provides a pressure sensor, when the driver is moved forward by the inertial force, the safety belt and the airbag cannot fully absorb the forward movement energy of the driver, the driver impacts the steering wheel, the pressure sensor detects a certain pressure, and immediately sends a signal to the control module 60, and the control module 60 controls the upper outer tube 12 to move downward, so that the injury to the chest of the driver is further reduced.
Moreover, through the arrangement of the buffer unit, the impact force of the driver can be gradually reduced, and the driver is well protected.
In summary, the present invention is a specific application example, and the protection scope of the present invention is not limited, and the technical scheme of adopting equivalent substitution falls within the protection scope of the present invention.
Claims (8)
1. An automotive intelligent collapsible steering column system, comprising: steering column, drive module, collision sensing module, and control module,
the steering column comprises a crumple sleeve, an upper outer tube and a lower inner tube, wherein the crumple sleeve is composed of an upper sleeve, a transition sleeve and a lower sleeve which are sequentially and fixedly connected, the outer peripheral surface of the upper sleeve is provided with a clamping strip which is clamped with the inner side surface of the upper outer tube and is arranged along the axial direction of the upper sleeve, the inner side surface of the upper sleeve is sleeved on the outer side of the lower inner tube and is fixedly connected with the lower inner tube, a fracture part is formed on the transition sleeve, the fracture part is composed of a plurality of fracture through holes which are arrayed in a circular array by taking the axis of the transition sleeve as a central line, and the lower sleeve is provided with a step which is abutted with the lower end surface of the upper outer tube;
one output end of the driving module is fixedly connected with the step;
the collision sensing module is used for judging whether the collision reaches the collision breaking point of the steering column at the moment of collision of the vehicle, and sending a collision signal to the control module when judging that the collision breaking point is reached;
the control module is electrically connected with the collision sensing module and the driving module, and controls the driving module to drive the step to move along the direction away from the steering wheel when receiving a collision signal sent by the collision sensing module, so that the crumple sleeve is broken at the breaking part;
the driving module comprises a generator, a first electromagnet unit and a second electromagnet unit, the first electromagnet unit is fixedly arranged on the lower inner tube and is far away from the crumple sleeve, the second electromagnet unit is fixedly arranged on the step, the control module controls the generator to supply power to the first electromagnet unit and the second electromagnet unit when receiving a collision signal sent by the collision sensing module, and the second electromagnet unit drives the step to move along the direction far away from the steering wheel under the attraction of the first electromagnet unit;
the driving module further comprises a third electromagnet unit fixedly mounted on the outer side face of the lower end of the upper outer tube, the pressure sensing module is used for detecting pressure received by the steering wheel and judging whether a collision collapse point is reached according to the pressure, a pressure signal is sent to the control module when the collision collapse point is judged to be reached, the control module receives the collision signal and the pressure signal and then supplies power to the third electromagnet and the first electromagnet without supplying power to the second electromagnet, and the third electromagnet moves along the direction away from the steering wheel under the attraction of the first electromagnet.
2. The intelligent crumple type steering column system of claim 1, wherein the transition sleeve is further provided with a protruding unit located below the breaking portion, the protruding unit comprises a plurality of protruding blocks distributed in a circular array along the axis of the transition sleeve, and the protruding blocks are clamped with the inner side face of the upper outer tube.
3. The automotive intelligent crush type steering column system of claim 2, wherein the radial height of the boss is gradually increased in a direction toward the step, and the maximum radial height of the boss is equal to the radial height of the engagement strip.
4. The intelligent crumple type steering column system of claim 3, further comprising a buffer module, wherein the buffer module comprises an installation blind hole formed on the inner side of the upper outer tube, an elastic column with one end fixedly connected with the bottom wall of the installation blind hole, a friction block fixed on the other end of the elastic column, and a round table-shaped friction structure fixedly mounted on the upper end of the lower inner tube, the friction structure extends out of the upper end of the upper sleeve, and the outer side surface of the upper end of the friction structure is propped against the friction block.
5. The automotive intelligent crush steering column system of claim 4, wherein the friction blocks are spherical.
6. The automotive intelligent crush steering column system of claim 5, wherein the elastic column is a spring.
7. The intelligent crumple type steering column system of claim 1, wherein an embedded groove is formed in an inner side surface of the upper sleeve, and an embedded block embedded in the embedded groove is arranged on an outer side surface of the lower inner pipe.
8. The intelligent crush steering column system of claim 1, wherein the crush sleeve is formed with an axial gap connecting axial ends of the crush sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210330744.4A CN114537506B (en) | 2022-03-31 | 2022-03-31 | Intelligent crumple type steering column system of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210330744.4A CN114537506B (en) | 2022-03-31 | 2022-03-31 | Intelligent crumple type steering column system of automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114537506A CN114537506A (en) | 2022-05-27 |
| CN114537506B true CN114537506B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210330744.4A Active CN114537506B (en) | 2022-03-31 | 2022-03-31 | Intelligent crumple type steering column system of automobile |
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| CN (1) | CN114537506B (en) |
Citations (6)
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|---|---|---|---|---|
| GB1117537A (en) * | 1966-08-18 | 1968-06-19 | Gen Motors Ltd | Steering shaft assemblies for motor vehicles |
| US3949623A (en) * | 1973-02-22 | 1976-04-13 | Nissan Motor Co., Ltd. | Steering column assembly |
| JP2002293251A (en) * | 2001-04-03 | 2002-10-09 | Toyota Motor Corp | Supporting mechanism for steering device |
| CN107640209A (en) * | 2016-07-22 | 2018-01-30 | 博世汽车转向***管理（上海）有限公司 | Steering column |
| CN209972562U (en) * | 2018-12-26 | 2020-01-21 | 观致汽车有限公司 | Integral type crumple structure for vehicle steering column |
| CN111824239A (en) * | 2018-12-17 | 2020-10-27 | 吉利汽车研究院（宁波）有限公司 | A steering column system and vehicle that is used for collapsible formula of vehicle |
-
2022
- 2022-03-31 CN CN202210330744.4A patent/CN114537506B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1117537A (en) * | 1966-08-18 | 1968-06-19 | Gen Motors Ltd | Steering shaft assemblies for motor vehicles |
| US3949623A (en) * | 1973-02-22 | 1976-04-13 | Nissan Motor Co., Ltd. | Steering column assembly |
| JP2002293251A (en) * | 2001-04-03 | 2002-10-09 | Toyota Motor Corp | Supporting mechanism for steering device |
| CN107640209A (en) * | 2016-07-22 | 2018-01-30 | 博世汽车转向***管理（上海）有限公司 | Steering column |
| CN111824239A (en) * | 2018-12-17 | 2020-10-27 | 吉利汽车研究院（宁波）有限公司 | A steering column system and vehicle that is used for collapsible formula of vehicle |
| CN209972562U (en) * | 2018-12-26 | 2020-01-21 | 观致汽车有限公司 | Integral type crumple structure for vehicle steering column |
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| Title |
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| Yan Zhao ; Hong Wang.Study on the shock absorption collapse mechanism of electric power steering column. IEEE International Conference Mechatronics and Automation, 2005.2006,1689-1691. * |
| 正碰台车试验转向管柱提前溃缩的影响研究;李成，万银辉，周澄靖等;2021中国汽车工程学会年会论文集;2507-2511 * |
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| CN114537506A (en) | 2022-05-27 |
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