CN108909554B - Active crumple self-locking device of side collision seat and seat - Google Patents
Active crumple self-locking device of side collision seat and seat Download PDFInfo
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- CN108909554B CN108909554B CN201810602925.1A CN201810602925A CN108909554B CN 108909554 B CN108909554 B CN 108909554B CN 201810602925 A CN201810602925 A CN 201810602925A CN 108909554 B CN108909554 B CN 108909554B
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- locking mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
- B60N2/427—Seats or parts thereof displaced during a crash
- B60N2/42709—Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
- B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses an active collapse self-locking device for a side collision seat and the seat. The active type crumple self-locking device comprises a sliding locking mechanism, a sleeve and an electronic detonation device, wherein the electronic detonation device is arranged inside the sliding locking mechanism; the electronic ignition device is used for pushing the sliding locking mechanism to cut off the limiting part when in ignition so as to enable the sliding locking mechanism to slide downwards along the sleeve; the sliding locking mechanism is used for driving the seat to move downwards under the pushing of the electronic detonation device and is used for locking the seat when the seat moves downwards for a preset distance. The bottom of the seat is provided with the active type collapse self-locking device of the side collision seat. The invention has simple structure and lower cost, and can effectively reduce the damage of side collision to human body.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to an active type collapsing self-locking device for a side collision seat and the seat.
Background
The main direction of the modern automobile technology development is safety, environmental protection and energy conservation. Wherein, the automobile safety is directly related to the lives and properties of people. The research on the safety of automobiles is generally divided into two major categories, active safety and passive safety. Active safety refers to taking safety measures before a traffic accident occurs. Accidents are avoided as much as possible. Passive safety refers to the fact that when an accident occurs, the injury degree of drivers, passengers and pedestrians outside the automobile is reduced as much as possible by utilizing the structural design of the automobile and a passive safety device. With the increasing automobile holding amount and the increasing automobile speed in China, automobile collision accidents are on the rise in recent years. The side collision of the automobile causes casualty accidents more frequently in countries all over the world, particularly, the intersection of the Chinese city roads is mainly level crossing, statistics shows that the incidence rate of the side collision of the automobile in 1998 accounts for 31.65% of the whole traffic accident, the number of serious injuries accounts for 30.15%, and the two indexes exceed the corresponding data of the front collision accident, so that the side collision has higher frequency in China and causes more serious injuries and deaths. Therefore, it is a necessary trend to implement the side impact standard. In the case of a side collision, since the side of the vehicle does not have a large energy absorbing region like the front of the vehicle, the side collision is serious.
The optimization of side collision to human body damage is always a problem difficult to solve, the optimization of side collision at present mainly comprises the optimization of door interior trim modeling and a side airbag, the optimization of the door interior trim modeling and the side airbag leads to complex overall structure, the manufacturing cost is higher, the effect is single and not obvious, and the damage of the invasion of a vehicle door caused by side collision to the human body can not be well reduced.
In summary, it is very important to provide an active self-locking device for a side impact seat, which has a simple structure and a low manufacturing cost and can effectively reduce the damage of the side impact to the human body.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide an active collapse self-locking device for a side impact seat and a seat, which aim to solve the problem of optimizing the injury of the side impact to the human body and reduce the injury of the side impact to the human body.
In order to solve the technical problem, the invention provides an active crumple self-locking device of a side collision seat, wherein the active crumple self-locking device is arranged at the bottom of the seat and comprises a sliding locking mechanism, a sleeve and an electronic detonation device, the electronic detonation device is arranged inside the sliding locking mechanism, the sleeve is sleeved outside the sliding locking mechanism and is fixedly connected with the sliding locking mechanism through a limiting piece, one end of the sliding locking mechanism is fixedly connected with the seat, and the other end of the sliding locking mechanism is fixedly connected with a vehicle body;
the electronic ignition device is used for igniting when side collision occurs, and is used for pushing the sliding locking mechanism to cut off the limiting piece when ignition occurs, so that the sliding locking mechanism slides downwards along the sleeve;
the sliding locking mechanism is used for driving the seat to move downwards under the pushing of the electronic detonation device and locking the seat when the seat moves downwards for a preset distance.
Further, the sliding locking mechanism comprises a first sliding part and a second sliding part, and the first sliding part is movably connected with the second sliding part;
the first sliding part comprises a first movable part and a first fixed part which are integrally formed, the second sliding part comprises a second movable part and a second fixed part which are integrally formed, the first movable part and the second movable part are overlapped to form a closed explosion cavity, and the electronic detonation device is arranged in the explosion cavity;
the end part of the first fixed part, which is far away from the first movable part, is fixedly connected with the seat, and the end part of the second fixed part, which is far away from the second movable part, is fixedly connected with the vehicle body.
Furthermore, the limiting part comprises a first limiting part and a second limiting part, the side part of the first fixing part is fixedly connected with the sleeve through the first limiting part, and the side part of the second fixing part is fixedly connected with the sleeve through the second limiting part;
the electronic ignition device is used for pushing the first fixing part to cut off the first limiting part and pushing the sleeve to cut off the second limiting part during ignition so that the first sliding part moves downwards relative to the second sliding part;
the first sliding part is used for driving the seat to move downwards for a preset distance under the pushing of the electronic detonation device, so that the seat is actively collapsed.
Further, the shape of the first sliding portion is the same as that of the second sliding portion and is cylindrical, the first fixing portion and the second fixing portion are closed cylinders, the first movable portion and the second movable portion are cylinders with open side faces, and the cross section of the first movable portion and the cross section of the second movable portion are both arc-shaped.
Furthermore, gunpowder is also arranged in the explosion cavity.
Further, the slide locking mechanism further comprises a locking part, the locking part comprises a first locking part and a second locking part, the first locking part is arranged on the end part of the first fixing part close to the first movable part, and the second locking part is arranged on the end part of the second fixing part close to the second movable part;
the first locking portion is used for locking the end part of the second movable portion far away from the second fixed portion when the seat moves downwards for a preset distance;
the second locking portion is used for locking the end part, away from the first fixing portion, of the first movable portion when the seat moves downwards for a preset distance.
Preferably, before the electronic detonation device detonates, the length of the sleeve is smaller than the length of the sliding locking mechanism.
Specifically, the first limiting part and the second limiting part are both limiting nylon pins.
Specifically, the first locking portion and the second locking portion are both locking hooks.
Correspondingly, the invention also discloses a seat, and the bottom of the seat is provided with the active type collapse self-locking device for the side collision seat.
The implementation of the invention has the following beneficial effects:
(1) the invention discloses an active collapse self-locking device for a side collision seat, which comprises a sliding locking mechanism, a sleeve and an electronic point explosion device, wherein when side collision occurs, the electronic point explosion device explodes and pushes the sliding locking mechanism to cut off a limiting part, so that the sliding locking mechanism slides downwards along the sleeve, the sliding locking mechanism drives the seat to move downwards under the pushing of the electronic point explosion device to generate active collapse, when the seat moves downwards for a preset distance, the seat is locked, the sitting posture of a human body is instantly reduced, the damage of the vehicle door to the human body is avoided to a large extent, and the safety score of the side collision is greatly improved;
(2) the active collapse self-locking device for the side collision seat can well reduce the damage of the side collision to a human body only by the mutual matching of the sliding locking mechanism, the sleeve and the electronic detonation device, and compared with the existing damage which is improved by optimizing the door inner decoration shape and the side airbag, the active collapse self-locking device for the side collision seat has the advantages of simple structure and lower manufacturing cost;
(3) the active collapse self-locking device for the side collision seat is arranged at the bottom of the seat, is not a component of a vehicle body, and does not need to improve the structure of the vehicle, so that the active collapse self-locking device can adapt to different vehicle types, and has wider application scenes and range.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the connection structure between the active self-locking device of the side impact seat and the seat of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of the active self-locking device of the side impact seat of the present invention;
FIG. 4 is a schematic structural view of the sleeve of the present invention;
FIG. 5 is a schematic structural view of the slide lock mechanism of the present invention;
FIG. 6 is a schematic view of the position between the first locking portion and the slide locking mechanism of the present invention;
FIG. 7 is a right side view of FIG. 6;
FIG. 8 is a schematic view of the positioning between the second latch portion and the slide latch mechanism of the present invention;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a schematic view of the latch portion of the present invention;
fig. 11 is a schematic structural diagram of a position limiting element according to the present invention.
Wherein the reference numerals in the figures correspond to: 1-seat, 2-sliding locking mechanism, 201-first sliding part, 2011-first movable part, 2012-first fixed part, 202-second sliding part, 2021-second movable part, 2022-second fixed part, 203-explosion cavity, 204-locking part, 2041-first locking part, 2042-second locking part, 3-sleeve, 4-electronic ignition device, 5-limiting part, 501-first limiting part, 502-second limiting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Example 1
As shown in fig. 1 to 5, the present embodiment discloses an active self-locking device for collapse of a side impact seat, the active self-locking device for collapse is disposed at the bottom of the seat 1, the number of the active self-locking devices for collapse is plural, preferably four, and the four active self-locking devices for collapse are distributed at the corners of the bottom of the seat.
As shown in fig. 1 to 5, the active collapse self-locking device for a side collision seat in this embodiment includes a sliding locking mechanism 2, a sleeve 3 and an electronic igniter 4, the sliding locking mechanism 2 is cylindrical, the electronic igniter 4 is disposed inside the sliding locking mechanism 2, the sleeve 3 is a hollow cylinder, and is sleeved outside the sliding locking mechanism 2 and fixedly connected to the sliding locking mechanism 2 through a limiting member 5, one end of the sliding locking mechanism 2 is fixedly connected to the seat 1, and the other end of the sliding locking mechanism 2 is fixedly connected to a vehicle body;
the electronic ignition device 4 is used for igniting when a vehicle is in side collision and pushing the sliding locking mechanism 2 to cut off the limiting piece 5 during ignition so that the sliding locking mechanism 2 slides downwards along the sleeve 3;
the sliding locking mechanism 2 is used for driving the seat 1 to move downwards under the pushing of the electronic detonation device 4, and is used for actively collapsing the seat and locking the seat 1 when the seat 1 moves downwards for a preset distance so as to lock a preset position kept by the seat.
As further shown in fig. 1-2, the length of the sleeve 3 is less than the length of the sliding lock mechanism 2 before the electronic detonator 4 is detonated.
In addition, the active collapse self-locking device in this embodiment further includes a controller, the controller is electrically connected with the sensor for detecting the side collision and the electronic explosion device 4, after the vehicle collides, the sensor feeds back the information related to the collision to the controller, and the controller judges whether the side collision occurs, and if so, the electronic explosion device is subjected to explosion.
In this embodiment, when a vehicle has a side collision, the electronic explosion device explodes and pushes the sliding locking mechanism to cut off the limiting part, so that the sliding locking mechanism slides downwards along the sleeve, the sliding locking mechanism drives the seat to move downwards under the pushing of the electronic explosion device to actively collapse, and when the seat moves downwards for a predetermined distance, the seat is locked, so that the sitting posture of a human body is instantly reduced, the vehicle door is prevented from invading to the human body to a large extent, and the side collision safety score is greatly improved. And active crumple self-locking device in this application simple structure, the cost is lower, can adjust according to different vehicles and adaptability, can adapt to different motorcycle types, and application scenario and scope are wider.
Example 2
As shown in fig. 2, the present embodiment discloses an active self-locking device for side collision seat, which is disposed at the bottom of the seat 1. The number of the active self-locking devices is multiple, preferably four, and the four active self-locking devices are distributed at the corners of the bottom of the seat.
As shown in fig. 2 and 5, the active collapse self-locking device in this embodiment includes a sliding locking mechanism 2, a sleeve 3 and an electronic detonation device 4, the sliding locking mechanism 2 is cylindrical, the electronic detonation device 4 is disposed inside the sliding locking mechanism 2, the sleeve 3 is a hollow cylinder, and is sleeved outside the sliding locking mechanism 2 and fixedly connected to the sliding locking mechanism 2 through a limiting member 5, one end of the sliding locking mechanism 2 is fixedly connected to the seat 1, and the other end of the sliding locking mechanism 2 is fixedly connected to the vehicle body.
As shown in fig. 5, 6 and 8, the slide locking mechanism 2 includes a first sliding portion 201, a second sliding portion 202 and a locking portion 204, the first sliding portion 201 and the second sliding portion 202 are movably connected, and the locking portion 204 is respectively disposed on the first sliding portion 201 and the second sliding portion 202.
As shown in fig. 5, the first sliding part 201 includes a first movable part 2011 and a first fixed part 2012 which are integrally formed, the second sliding part 202 includes a second movable part 2021 and a second fixed part 2022 which are integrally formed, the first movable part 2011 and the second movable part 2021 are overlapped to form a closed explosion chamber 203, and the electronic igniter 4 and the ignitable explosive are disposed in the explosion chamber 203; the end of the first fixing part 2012 far away from the first movable part 2011 is fixedly connected with the seat 1, and the end of the second fixing part 2022 far away from the second movable part 2021 is fixedly connected with the vehicle body.
As shown in fig. 5, the first sliding portion 201 and the second sliding portion 202 have the same shape and are both cylindrical, the first fixed portion 2012 and the second fixed portion 2022 are both closed cylinders, the first movable portion 2011 and the second movable portion 2021 are both cylinders with open sides, and the cross-sectional shapes of the first movable portion 2011 and the second movable portion 2021 are both circular arc-shaped.
As shown in fig. 6 to 9, the locking portion 204 includes a first locking portion 2041 and a second locking portion 2042, the first locking portion 2041 is disposed on an end portion of the first fixing portion 2012 near the first movable portion 2011, and the second locking portion 2042 is disposed on an end portion of the second fixing portion 2022 near the second movable portion 2021.
As shown in fig. 3, 5 and 11, the limiting member 5 includes a first limiting member 501 and a second limiting member 502, a side portion of the first fixing portion 2012 is fixedly connected to the sleeve 3 through the first limiting member 501, and a side portion of the second fixing portion 2022 is fixedly connected to the sleeve 3 through the second limiting member 502.
The electronic ignition device 4 is configured to ignite an ignitable explosive when a vehicle collides, and when the explosive is ignited, the first fixing portion 2012 is pushed to cut off the first stopper 501 and the sleeve 3 is pushed to cut off the second stopper 502, so that the first sliding portion 201 moves downward relative to the second sliding portion 202;
the first sliding part 201 is used for driving the seat 1 to move downwards for a preset distance under the pushing of the electronic detonation device 4, so that the seat 1 is actively collapsed;
the first locking portion 2041 for locking an end of the second movable portion 2021 away from the second fixed portion 2022 when the seat 1 moves downward by a predetermined distance;
the second locking portion 2042 is configured to lock an end of the first movable portion 2011 away from the first fixed portion 2012 when the seat 1 moves downward by a predetermined distance.
In addition, the active collapse self-locking device in this embodiment further includes a controller, the controller is electrically connected to the sensor for detecting the side collision and the electronic ignition device 4, after the vehicle collides, the sensor feeds back the information related to the collision to the controller, the controller determines whether the side collision occurs, and if so, the electronic ignition device ignites the powder.
In this embodiment, when a vehicle is involved in a side collision, the electronic igniter detonates the ignition charge, when the ignition charge detonates, the great impact force of the explosive charge pushes the first fixing portion 2012 to move downward to cut off the first limiting member 501, because before the explosive charge detonates, the sleeve is fixedly connected to the first sliding portion and the second sliding portion, when the first limiting member is cut off, the sleeve also receives a downward impact force, and at this time, the sleeve cuts off the second limiting member 502 under the pushing of the impact force, so that the first sliding portion 201 drives the seat to move downward relative to the second sliding portion 202, and when the seat moves downward by a predetermined distance, the first locking portion 2041 locks the end of the second movable portion 2021 away from the second fixing portion 2022, and the second locking portion 2042 locks the end of the first movable portion 2011 away from the first fixing portion 2012, the predetermined position at which the seat is held. Through the process, when side collision occurs, the sitting posture of the human body is instantaneously reduced, the damage of the vehicle door to the human body is avoided to a great extent, and the safety score of the side collision is greatly improved. And active crumple self-locking device in this application simple structure, the cost is lower, can adjust according to different vehicles and adaptability, can adapt to different motorcycle types, and application scenario and scope are wider.
Example 3
As shown in fig. 2, the present embodiment discloses an active self-locking device for side collision seat, which is disposed at the bottom of the seat 1.
As shown in fig. 2 and 5, the active collapse self-locking device in this embodiment includes a sliding locking mechanism 2, a sleeve 3 and an electronic detonation device 4, the sliding locking mechanism 2 is cylindrical, the electronic detonation device 4 is disposed inside the sliding locking mechanism 2, the sleeve 3 is a hollow cylinder, and is sleeved outside the sliding locking mechanism 2 and fixedly connected to the sliding locking mechanism 2 through a limiting member 5, one end of the sliding locking mechanism 2 is fixedly connected to the seat 1, and the other end of the sliding locking mechanism 2 is fixedly connected to the vehicle body.
As shown in fig. 5, 6 and 8, the slide locking mechanism 2 includes a first sliding portion 201, a second sliding portion 202 and a locking portion 204, the first sliding portion 201 and the second sliding portion 202 are movably connected, and the locking portion 204 is respectively disposed on the first sliding portion 201 and the second sliding portion 202.
As shown in fig. 5, the first sliding part 201 includes a first movable part 2011 and a first fixed part 2012 which are integrally formed, the second sliding part 202 includes a second movable part 2021 and a second fixed part 2022 which are integrally formed, the first movable part 2011 and the second movable part 2021 are overlapped to form a closed explosion chamber 203, and the electronic igniter 4 and the ignitable explosive are disposed in the explosion chamber 203; the end of the first fixing part 2012 far away from the first movable part 2011 is fixedly connected with the seat 1, and the end of the second fixing part 2022 far away from the second movable part 2021 is fixedly connected with the vehicle body.
As shown in fig. 5, the first sliding portion 201 and the second sliding portion 202 have the same shape and are both cylindrical, the first fixed portion 2012 and the second fixed portion 2022 are both closed cylinders, the first movable portion 2011 and the second movable portion 2021 are both cylinders with open sides, and the cross-sectional shapes of the first movable portion 2011 and the second movable portion 2021 are both circular arc-shaped.
As shown in fig. 6 to 9, the locking unit 204 includes a first locking unit 2041 and a second locking unit 2042, the first locking unit 2041 is disposed on an end of the first fixing unit 2012 close to the first movable unit 2011, the second locking unit 2042 is disposed on an end of the second fixing unit 2022 close to the second movable unit 2021, and the first locking unit 2041 and the second locking unit 2042 have the same shape and size and are locking hooks.
In this embodiment, the specific shape of the locking portion 204 is as shown in fig. 10, and includes a fixed end and a movable end that are integrally formed, the fixed end is fixedly connected to the first fixing portion 2012 and the second fixing portion 2022, the movable end is a protrusion, the fixed end is rectangular, and the movable end is triangular.
As shown in fig. 3, 5 and 11, the limiting member 5 includes a first limiting member 501 and a second limiting member 502, a side portion of the first fixing portion 2012 is fixedly connected to the sleeve 3 through the first limiting member 501, a side portion of the second fixing portion 2022 is fixedly connected to the sleeve 3 through the second limiting member 502, and shapes and sizes of the first limiting member 501 and the second limiting member 502 are the same.
In this embodiment, as shown in fig. 11, the limiting member 5 is a limiting nylon pin.
The electronic ignition device 4 is configured to ignite an ignitable explosive when a vehicle collides, and when the explosive is ignited, the first fixing portion 2012 is pushed to cut off the first stopper 501 and the sleeve 3 is pushed to cut off the second stopper 502, so that the first sliding portion 201 moves downward relative to the second sliding portion 202;
the first sliding part 201 is used for driving the seat 1 to move downwards for a preset distance under the pushing of the electronic detonation device 4, so that the seat 1 is actively collapsed;
the first locking portion 2041 for locking an end of the second movable portion 2021 away from the second fixed portion 2022 when the seat 1 moves downward by a predetermined distance;
the second locking portion 2042 is configured to lock an end of the first movable portion 2011 away from the first fixed portion 2012 when the seat 1 moves downward by a predetermined distance.
In addition, the active collapse self-locking device in this embodiment further includes a controller, the controller is electrically connected to the sensor for detecting the side collision and the electronic ignition device 4, after the vehicle collides, the sensor feeds back the information related to the collision to the controller, the controller determines whether the side collision occurs, and if so, the electronic ignition device ignites the powder.
In this embodiment, when a vehicle is involved in a side collision, the electronic igniter detonates the ignition charge, when the ignition charge detonates, the great impact force of the explosive charge pushes the first fixing portion 2012 to move downward to cut off the first limiting member 501, because before the explosive charge detonates, the sleeve is fixedly connected to the first sliding portion and the second sliding portion, when the first limiting member is cut off, the sleeve also receives a downward impact force, and at this time, the sleeve cuts off the second limiting member 502 under the pushing of the impact force, so that the first sliding portion 201 drives the seat to move downward relative to the second sliding portion 202, and when the seat moves downward by a predetermined distance, the movable end of the first locking portion 2041 abuts against the inner surface of the end of the second movable portion 2021 far from the second fixing portion 2022 (i.e., the end of the second movable portion 2021 far from the second fixing portion 2022 is locked in the protrusion of the first locking portion 2041), with this pinning the second movable part 2021 is kept away from the tip of second fixed part 2022, simultaneously the expansion end of second locking portion 2042 with first movable part 2011 is kept away from the internal surface counterbalance of the tip of first fixed part 2012 (promptly first movable part 2011 is kept away from the tip card of first fixed part 2012 is gone into in the arch of second locking portion 2042) to this locking first movable part 2011 is kept away from the tip of first fixed part 2012 makes the predetermined position that the seat kept. Through the process, when side collision occurs, the sitting posture of the human body is instantaneously reduced, the damage of the vehicle door to the human body is avoided to a great extent, and the safety score of the side collision is greatly improved. And active crumple self-locking device in this application simple structure, the cost is lower, can adjust according to different vehicles and adaptability, can adapt to different motorcycle types, and application scenario and scope are wider.
Example 4
This example discloses a seat with a bottom provided with an active self-collapsing restraint for a side impact seat as described in examples 1-3.
The embodiment of the invention has the following beneficial effects:
(1) the invention discloses an active collapse self-locking device for a side collision seat, which comprises a sliding locking mechanism, a sleeve and an electronic point explosion device, wherein when side collision occurs, the electronic point explosion device explodes and pushes the sliding locking mechanism to cut off a limiting part, so that the sliding locking mechanism slides downwards along the sleeve, the sliding locking mechanism drives the seat to move downwards under the pushing of the electronic point explosion device to generate active collapse, when the seat moves downwards for a preset distance, the seat is locked, the sitting posture of a human body is instantly reduced, the damage of the vehicle door to the human body is avoided to a large extent, and the safety score of the side collision is greatly improved;
(2) the active collapse self-locking device for the side collision seat can well reduce the damage of the side collision to a human body only by the mutual matching of the sliding locking mechanism, the sleeve and the electronic detonation device, and compared with the existing damage which is improved by optimizing the door inner decoration shape and the side airbag, the active collapse self-locking device for the side collision seat has the advantages of simple structure and lower manufacturing cost;
(3) the active collapse self-locking device for the side collision seat is arranged at the bottom of the seat, is not a component of a vehicle body, and does not need to improve the structure of the vehicle, so that the active collapse self-locking device can adapt to different vehicle types, and has wider application scenes and range.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The active type crumple self-locking device for the side collision seat is characterized in that the active type crumple self-locking device is arranged at the bottom of the seat (1) and comprises a sliding locking mechanism (2), a sleeve (3) and an electronic detonation device (4), the electronic detonation device (4) is arranged inside the sliding locking mechanism (2), the sleeve (3) is sleeved outside the sliding locking mechanism (2) and is fixedly connected with the sliding locking mechanism (2) through a limiting piece (5), one end of the sliding locking mechanism (2) is fixedly connected with the seat (1), and the other end of the sliding locking mechanism (2) is fixedly connected with a vehicle body;
the electronic ignition device (4) is used for igniting when a side collision occurs, and is used for pushing the sliding locking mechanism (2) to cut off the limiting piece (5) when the ignition occurs, so that the sliding locking mechanism (2) moves downwards along the sleeve (3);
the sliding locking mechanism (2) is used for driving the seat (1) to move downwards under the pushing of the electronic detonation device (4) and locking the seat (1) when the seat (1) moves downwards for a preset distance.
2. The active self-collapsing restraint device for a side impact seat according to claim 1, wherein the slide lock mechanism (2) comprises a first slide part (201) and a second slide part (202), the first slide part (201) and the second slide part (202) being movably connected;
the first sliding part (201) comprises a first movable part (2011) and a first fixed part (2012) which are integrally formed, the second sliding part (202) comprises a second movable part (2021) and a second fixed part (2022) which are integrally formed, the first movable part (2011) and the second movable part (2021) are overlapped with each other to form a closed explosion cavity (203), and the electronic detonation device (4) is arranged in the explosion cavity (203);
the end part, far away from the first movable part (2011), of the first fixing part (2012) is fixedly connected with the seat (1), and the end part, far away from the second movable part (2021), of the second fixing part (2022) is fixedly connected with a vehicle body.
3. The active self-locking device for side impact seat collapse according to claim 2, wherein the limiting member (5) comprises a first limiting member (501) and a second limiting member (502), the side of the first fixing portion (2012) is fixedly connected to the sleeve (3) through the first limiting member (501), and the side of the second fixing portion (2022) is fixedly connected to the sleeve (3) through the second limiting member (502);
the electronic ignition device (4) is used for pushing the first fixing part (2012) to cut off the first limiting part (501) and pushing the sleeve (3) to cut off the second limiting part (502) during ignition so that the first sliding part (201) moves downwards relative to the second sliding part (202);
the first sliding part (201) is used for driving the seat (1) to move downwards for a preset distance under the pushing of the electronic detonation device (4), so that the seat (1) is actively collapsed.
4. The active self-locking device for side impact seat crumple, according to claim 3, wherein the first sliding portion (201) and the second sliding portion (202) have the same shape and are both cylindrical, the first fixing portion (2012) and the second fixing portion (2022) are both closed cylinders, the first movable portion (2011) and the second movable portion (2021) are both cylinders with open sides, and the cross-sectional shape of the first movable portion (2011) and the cross-sectional shape of the second movable portion (2021) are both circular arcs.
5. The active self-locking device for side impact seat collapse according to claim 4 wherein powder is further provided in the explosion chamber (203).
6. The active side crash seat collapse self-locking device according to claim 2, wherein the slide locking mechanism (2) further comprises a locking portion (204), the locking portion (204) comprises a first locking portion (2041) and a second locking portion (2042), the first locking portion (2041) is disposed on an end of the first fixed portion (2012) near the first movable portion (2011), and the second locking portion (2042) is disposed on an end of the second fixed portion (2022) near the second movable portion (2021);
the first locking portion (2041) for locking an end of the second movable portion (2021) away from the second fixed portion (2022) when the seat (1) moves downward by a predetermined distance;
the second locking portion (2042) is used for locking the end portion, away from the first fixing portion (2012), of the first movable portion (2011) when the seat (1) moves downwards for a preset distance.
7. The active self-crash stop for a side impact seat according to claim 6 wherein the length of the sleeve (3) is less than the length of the slide latch mechanism (2) before the electrical squib device (4) is squished.
8. The active self-locking device for side impact seat collapse according to claim 3, wherein the first limiting member (501) and the second limiting member (502) are both limiting nylon pins.
9. The active side crash seat crush self-locking device of claim 7, wherein the first latch portion (2041) and the second latch portion (2042) are each a latch hook.
10. A seat, characterized in that the bottom of the seat is provided with a side impact seat active crush self-locking device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602925.1A CN108909554B (en) | 2018-06-12 | 2018-06-12 | Active crumple self-locking device of side collision seat and seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810602925.1A CN108909554B (en) | 2018-06-12 | 2018-06-12 | Active crumple self-locking device of side collision seat and seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108909554A CN108909554A (en) | 2018-11-30 |
| CN108909554B true CN108909554B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810602925.1A Active CN108909554B (en) | 2018-06-12 | 2018-06-12 | Active crumple self-locking device of side collision seat and seat |
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| Country | Link |
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| CN (1) | CN108909554B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649474B (en) * | 2018-12-17 | 2020-08-21 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19942167A1 (en) * | 1999-09-04 | 2001-03-08 | Suspa Holding Gmbh | Impact shock damper for motor vehicles consists of housing, deformation tube, piston rod, and slide/guide tube to produce soft effect when colliding with pedestrians |
| CN203854537U (en) * | 2014-03-31 | 2014-10-01 | 长城汽车股份有限公司 | Seat cushion structure suitable for vehicle head-on collision |
| CN104890544A (en) * | 2014-02-24 | 2015-09-09 | 福特全球技术公司 | Pyrotechnic fastener seat arrangement for unbelted occupant protection |
| CN206719308U (en) * | 2017-04-06 | 2017-12-08 | 重庆理工大学 | A kind of automobile steering system active defense steering column device of quick response |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7516985B2 (en) * | 2004-03-11 | 2009-04-14 | Delphi Technologies, Inc. | Multi piece bearing for telescoping steering column assembly |
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2018
- 2018-06-12 CN CN201810602925.1A patent/CN108909554B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19942167A1 (en) * | 1999-09-04 | 2001-03-08 | Suspa Holding Gmbh | Impact shock damper for motor vehicles consists of housing, deformation tube, piston rod, and slide/guide tube to produce soft effect when colliding with pedestrians |
| CN104890544A (en) * | 2014-02-24 | 2015-09-09 | 福特全球技术公司 | Pyrotechnic fastener seat arrangement for unbelted occupant protection |
| CN203854537U (en) * | 2014-03-31 | 2014-10-01 | 长城汽车股份有限公司 | Seat cushion structure suitable for vehicle head-on collision |
| CN206719308U (en) * | 2017-04-06 | 2017-12-08 | 重庆理工大学 | A kind of automobile steering system active defense steering column device of quick response |
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| CN108909554A (en) | 2018-11-30 |
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