CN105235563A - Application method of automobile active headrest structure for neck protection - Google Patents
Application method of automobile active headrest structure for neck protection Download PDFInfo
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- CN105235563A CN105235563A CN201510696413.2A CN201510696413A CN105235563A CN 105235563 A CN105235563 A CN 105235563A CN 201510696413 A CN201510696413 A CN 201510696413A CN 105235563 A CN105235563 A CN 105235563A
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Abstract
The invention discloses an application method of an automobile active headrest structure for neck protection. The application method comprises the following steps: firstly, a control module electrically connected with a cylinder is directly communicated with an automobile active safety system; when a distance of a vehicle behind the present automobile to the present automobile is within a dangerous value range, the control module directly transmits a command to the cylinder so that an output end of the cylinder stretches to drive a head plate to move forwards, leading to that a supporting portion of the headrest gets close to the head of a passenger, and therefore, the backward movement of the head relative to the upper trunk is restrained in advance during rear-end collision and a whiplash injury caused by a failure of the cylinder in immediate starting when collision occurs is avoided; when a distance of the vehicle behind the present automobile to the present automobile is within a safe value range, the control module directly controls the cylinder to retract and then the output end of the cylinder drives the head plate to move backwards, so that the head of the passenger and the supporting portion of the head rest return, and therefore, no manual operation is required and synchronization of headrest protection and the automobile safety system is realized.
Description
Technical field
The present invention relates to Intelligent Vehicle Initiative Security System, specifically refer to the using method of a kind of automobile for the protection of neck active headrest features.
Background technology
The form of traffic accident is divided into head-on crash, side collision, rear-end impact and pedestrian impact.Wherein rear-end impact causes its probability of occurrence higher because of its unpredictable property.Therefore, in automotive safety research, when planning the Preservation tactics of automobile passenger for the rear-end impact in above-mentioned form, although cause the gross distortion of personnel's mortal injury and car body by bus all relatively little, but still neck whiplash injury can be caused to front truck occupant.
In prior art, neck protection is based on seat system, and protection philosophy is that when being limited in rear-end impact by the backrest of seat system and headrest, head is relative to the motion backward of upper trunk, and then the risk of reduction whiplash injury.Active headrest common on market is generally pure physical construction, mainly contain two kinds, one is promote and the connecting rod mechanism be connected of resting the head on the relative motion of seat by occupant, and then the head of the nearly occupant of pusher head pillow, as SAAB active headrest, in collision process, occupant oppresses seat backward due to inertia, headrest is started by spatial linkage, but this technical scheme exists larger defect, namely when utilizing the energy of collision to start head pillow mechanism, the response time of head pillow mechanism is long, namely, before headrest plays a role, whiplash injury just occurs; Two is trigger headrest by collision energy, by Spring driving, although head pillow mechanism moves reversible, can not draw in voluntarily, and need the outside application force that applies to reset to make it, troublesome poeration, cannot use and intelligentized active safety system.
Summary of the invention
The object of the present invention is to provide the using method of a kind of automobile for the protection of neck active headrest features, realize, to the anticipation in advance of rear-end impact, starting the mechanism protected occupant's neck in time, and then avoiding the generation of whiplash injury.
Object of the present invention is achieved through the following technical solutions:
For the protection of a using method for the automobile active headrest features of neck, comprise the following steps:
The control module that cylinder is electrically connected first directly is communicated with automobile active safety system by A;
B is when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module directly by command transfer to cylinder, the mouth of cylinder is upheld, head plate is driven to move forward, make the support section of headrest close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder causes not in time occurs;
C when back-up block outer wall directly and occupant's neck contacts time, arc contact surface move to neck contacts after, headrest just starts to start to the neck protection program of occupant, and arc contact surface can increase the comfort level of neck to the full extent, be filled with a large amount of elastic caoutchoucs in back-up block inside, can direct after rear-end impact occurs the motion that occupant's neck produces because of inertia be limited;
D is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, the direct control cylinder retraction of control module, namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system;
Above-mentioned steps comprises the cylinder be fixed in headrest, the control module be electrically connected with cylinder and to be connected with back-up block two ends and cross-sectional plane is the framework of U-shaped, described framework is slidably arranged in headrest, the open end of described framework is provided with back-up block, described back-up block is connected with the mouth of cylinder, the cylinder head portions relative with mouth is provided with adjust bar, also comprise two connecting rods, one end and the adjust bar of described connecting rod are hinged, the other end of connecting rod is provided with movable block, in framework just to the madial wall of adjust bar having two dovetail grooves matched with movable block, described back-up block internal rising is provided with cavity, and is filled with elastic caoutchouc in this cavity, and the sidewall of described back-up block away from described cylinder mouth side is provided with the arc contact surface adapted with neck.
When the present invention works, cylinder is fixed on headrest inside, and the other end end relative with mouth is installed adjust bar, two connecting rods and adjust bar hinged, and movable block is slidably arranged in dovetail groove, can when cylinder mouth stretches out, back-up block drives framework to move forward in the lump, can ensure that back-up block is after being impacted, framework can be back-up block and back-up block provides strong support, while the load scope increasing back-up block part of the force, prevent back-up block or the mouth of cylinder because of stressed concentrated appearance damage.Wherein, two coordinating between movable block with dovetail groove, directly can limit the movable displacement size of framework and back-up block, namely when movable block moves to the end position of loose slot, the advance of back-up block or the displacement of retrogressing reaches maximization, namely ensure that the moving displacement of cylinder mouth is fixed, avoid back-up block to stretch out displacement excessive and reduce the effect of occupant's neck protection, reduce back-up block simultaneously and thoroughly do not cause the driving of occupant or comfort level reduces by bus when resetting.
Further, be provided with spring at described adjust bar end, described spring and framework are just connected the inwall of adjust bar side.Back-up block or framework can produce certain impact when moving to the end position of himself, this impact effect can be embodied directly in connecting rod or between movable block and loose slot, can directly cause time serious connecting rod or movable block impaired, therefore, the spring be arranged between adjust bar and frame side wall can ensure back-up block or framework move to close to during its end position by the impulsive force of himself a buffering part, make the moving velocity of back-up block relatively mild and there will not be acceleration suddenly or the situation of slowing down, realizing the object extending headrest service life.
Further, described spring is torsion spring.As preferably, in cylinder mouth retraction process, the movement of back-up block and framework is comparatively slow, but there will be along the small size swing in the radial direction of cylinder mouth simultaneously, then the present invention selects torsion spring, the imposed stress on or Off-Radial direction radial at it can be born, be interrupted the state occurring swinging in framework under, buffer action is produced to it, ensure its stability simultaneously.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, the direct control cylinder retraction of control module, namely cylinder mouth drives back-up block to move backward, and then the head of occupant and back-up block are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system, and then strengthens the safety factor of automobile driving safe;
2, the present invention's spring be arranged between adjust bar and frame side wall can ensure back-up block or framework move to close to during its end position by the impulsive force of himself a buffering part, make the moving velocity of back-up block relatively mild and there will not be acceleration suddenly or the situation of slowing down, realizing the object extending headrest service life;
3, the present invention selects torsion spring, can bear the imposed stress on or Off-Radial direction radial at it, produces buffer action, ensure its stability simultaneously in framework under being interrupted the state occurring swinging to it.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
1-back-up block, 2-cylinder, 3-framework, 4-adjust bar, 5-connecting rod, 6-dovetail groove, 7-movable block, 8-spring, 9-control module, 10-elastic caoutchouc, 11-arc contact surface.
Detailed description of the invention
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the following steps:
The control module that cylinder is electrically connected first directly is communicated with automobile active safety system by A;
B is when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module directly by command transfer to cylinder, the mouth of cylinder is upheld, head plate is driven to move forward, make the support section of headrest close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder causes not in time occurs;
C when back-up block outer wall directly and occupant's neck contacts time, arc contact surface move to neck contacts after, headrest just starts to start to the neck protection program of occupant, and arc contact surface can increase the comfort level of neck to the full extent, be filled with a large amount of elastic caoutchoucs in back-up block inside, can direct after rear-end impact occurs the motion that occupant's neck produces because of inertia be limited;
D is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, the direct control cylinder retraction of control module, namely cylinder mouth drives head plate to move backward, and then the head of occupant and the support section of headrest are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system;
Above-mentioned steps comprises the cylinder 2 be fixed in headrest, the control module 9 be electrically connected with cylinder 2 and to be connected with back-up block 1 two ends and cross-sectional plane is the framework 3 of U-shaped, described framework 3 is slidably arranged in headrest, the open end of described framework 3 is provided with back-up block 1, described back-up block 1 is connected with the mouth of cylinder 2, cylinder 2 end relative with mouth is provided with adjust bar 4, also comprise two connecting rods 5, one end and the adjust bar 4 of described connecting rod 5 are hinged, the other end of connecting rod 5 is provided with movable block 7, the madial wall of framework 3 just to adjust bar 4 has two dovetail grooves 6 matched with movable block 7, described back-up block 1 internal rising is provided with cavity, and is filled with elastic caoutchouc 10 in this cavity, and the sidewall of described back-up block 1 away from described cylinder 2 mouth side is provided with the arc contact surface 11 adapted with neck, be provided with spring 8 at described adjust bar 4 end, described spring 8 and framework 3 are just connected the inwall of adjust bar 4 side.
During work, the control module 9 be electrically connected with cylinder 2 is directly communicated with automobile active safety system, namely when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module 9 directly by command transfer to cylinder 2, now the mouth of cylinder 2 is upheld, back-up block 1 is driven to move forward, make back-up block close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder 2 causes not in time occurs; When the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, control module 9 directly control cylinder 2 bounces back, namely cylinder 2 mouth drives back-up block 1 to move backward, and then the head of occupant and back-up block are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system, and then strengthens the safety factor of automobile driving safe.Further; the outer wall of back-up block 1 directly and occupant's neck contacts; namely arc contact surface 11 move to neck contacts after; headrest just starts to start to the neck protection program of occupant; and arc contact surface 11 can increase the comfort level of neck to the full extent; and a large amount of elastic caoutchoucs 10 is filled with in back-up block 1 inside, direct after rear-end impact occurs the motion that occupant's neck produces because of inertia can be limited, and then avoid the generation of occupant's whiplash injury.
And, it is inner that cylinder 2 is fixed on headrest, and the other end end relative with mouth is installed adjust bar 4, two connecting rods 5 are hinged with adjust bar 4, and movable block 7 is slidably arranged in dovetail groove 6, can when cylinder 2 mouth stretches out, back-up block 1 drives framework 3 to move forward in the lump, can ensure that back-up block 1 is after being impacted, framework 3 can be back-up block 1 and back-up block provides strong support, while the load scope increasing back-up block 1 part of the force, prevent the mouth of back-up block 1 or cylinder 2 because of stressed concentrated appearance damage.Wherein, two movable blocks 7 and coordinating between dovetail groove 6, directly can limit the movable displacement size of framework 3 and back-up block 1, namely when movable block 7 moves to the end position of loose slot, the advance of the back-up block 1 or displacement of retrogressing reaches maximization, namely ensure that the moving displacement of cylinder 2 mouth is fixed, avoid back-up block 1 to stretch out displacement excessive and reduce the effect of occupant's neck protection, reduce back-up block 1 simultaneously and thoroughly do not cause the driving of occupant or comfort level reduces by bus when resetting.
Back-up block 1 or framework 3 can produce certain impact when moving to the end position of himself, this impact effect can be embodied directly in connecting rod 5 or between movable block 7 and loose slot, can directly cause time serious connecting rod 5 or movable block 7 impaired, therefore, the spring 8 be arranged between adjust bar 4 and framework 3 sidewall can ensure that the impulsive force of himself is cushioned a part close to during its end position moving to by back-up block 1 or framework 3, make the moving velocity of back-up block 1 relatively mild and there will not be acceleration suddenly or the situation of slowing down, realize the object extending headrest service life.
As preferably, in cylinder 2 mouth retraction process, back-up block 1 is comparatively slow with the movement of framework 3, but there will be along the small size swing in the radial direction of cylinder 2 mouth simultaneously, then the present embodiment selects torsion spring 8, the imposed stress on or Off-Radial direction radial at it can be born, be interrupted the state occurring swinging in framework 3 under, buffer action is produced to it, ensure its stability simultaneously.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1., for the protection of a using method for the automobile active headrest features of neck, it is characterized in that, comprise the following steps:
The control module (9) that cylinder (2) is electrically connected first directly is communicated with automobile active safety system by A;
B is when the distance of the vehicle and this car that are positioned at automobile rear is in a dangerous values scope, control module (9) directly by command transfer to cylinder (2), the mouth of cylinder (2) is upheld, head plate (1) is driven to move forward, make back-up block (1) close to occupant's head, and then when realizing being limited in rear-end impact in advance head relatively with the motion backward of upper trunk, the whiplash injury that when collision free occurs, the startup of cylinder causes not in time occurs;
C when back-up block (1) outer wall directly and occupant's neck contacts time, arc contact surface (11) move to neck contacts after, headrest just starts to start to the neck protection program of occupant, and arc contact surface (11) can increase the comfort level of neck to the full extent, be filled with a large amount of elastic caoutchoucs (10) in back-up block (1) inside, can direct after rear-end impact occurs the motion that occupant's neck produces because of inertia be limited;
D is when the spacing of the vehicle and this car that are positioned at automobile rear is in a safety value scope, control module (9) is control cylinder (2) retraction directly, cylinder (2) mouth drives head plate (1) to move backward, and then the head of occupant and back-up block are resetted, without the need to M/C, the protection of realization headrest is synchronous with automobile safety system;
Above-mentioned steps comprises the cylinder (2) be fixed in headrest, the control module (9) be electrically connected with cylinder (2) and to be connected with back-up block (1) two ends and cross-sectional plane is the framework (3) of U-shaped, described framework (3) is slidably arranged in headrest, the open end of described framework (3) is provided with back-up block (1), described back-up block (1) is connected with the mouth of cylinder (2), cylinder (2) end relative with mouth is provided with adjust bar (4), also comprise two connecting rods (5), one end and the adjust bar (4) of described connecting rod (5) are hinged, the other end of connecting rod (5) is provided with movable block (7), the madial wall of framework (3) just to adjust bar (4) has two dovetail grooves (6) matched with movable block (7), described back-up block (1) internal rising is provided with cavity, and in this cavity, be filled with elastic caoutchouc (10), and the sidewall of described back-up block (1) away from described cylinder (2) mouth side is provided with the arc contact surface (11) adapted with neck.
2. the using method of a kind of active of the automobile for the protection of neck headrest features according to claim 1; it is characterized in that: be provided with spring (8) at described adjust bar (4) end, described spring (8) is just connected the inwall of adjust bar (4) side with framework (3).
3. the using method of a kind of active of the automobile for the protection of neck headrest features according to claim 2, is characterized in that: described spring (8) is torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696413.2A CN105235563A (en) | 2015-10-26 | 2015-10-26 | Application method of automobile active headrest structure for neck protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510696413.2A CN105235563A (en) | 2015-10-26 | 2015-10-26 | Application method of automobile active headrest structure for neck protection |
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| Publication Number | Publication Date |
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| CN105235563A true CN105235563A (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510696413.2A Pending CN105235563A (en) | 2015-10-26 | 2015-10-26 | Application method of automobile active headrest structure for neck protection |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0158986B1 (en) * | 1996-06-29 | 1998-12-01 | 양재신 | A seat for the use of a car with a neck support |
| US20070145796A1 (en) * | 2005-12-26 | 2007-06-28 | Aisin Seiki Kabushiki Kaisha | Headrest apparatus |
| CN101098801A (en) * | 2005-11-08 | 2008-01-02 | 丰田自动车株式会社 | Occupant protection device |
| CN101121386A (en) * | 2007-09-28 | 2008-02-13 | 清华大学 | Active headrest mechanism for protecting neck in rear end collision |
| CN203611809U (en) * | 2013-12-13 | 2014-05-28 | 方梁 | Automobile seat headrest |
| CN104802678A (en) * | 2015-04-28 | 2015-07-29 | 奇瑞汽车股份有限公司 | Vehicle safety headrest, headrest controller of vehicle safety headrest and control method of vehicle safety headrest |
-
2015
- 2015-10-26 CN CN201510696413.2A patent/CN105235563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0158986B1 (en) * | 1996-06-29 | 1998-12-01 | 양재신 | A seat for the use of a car with a neck support |
| CN101098801A (en) * | 2005-11-08 | 2008-01-02 | 丰田自动车株式会社 | Occupant protection device |
| US20070145796A1 (en) * | 2005-12-26 | 2007-06-28 | Aisin Seiki Kabushiki Kaisha | Headrest apparatus |
| CN101121386A (en) * | 2007-09-28 | 2008-02-13 | 清华大学 | Active headrest mechanism for protecting neck in rear end collision |
| CN203611809U (en) * | 2013-12-13 | 2014-05-28 | 方梁 | Automobile seat headrest |
| CN104802678A (en) * | 2015-04-28 | 2015-07-29 | 奇瑞汽车股份有限公司 | Vehicle safety headrest, headrest controller of vehicle safety headrest and control method of vehicle safety headrest |
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Application publication date: 20160113 |
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| RJ01 | Rejection of invention patent application after publication |