CN203623437U - Active and safe headrest device - Google Patents
Active and safe headrest device Download PDFInfo
- Publication number
- CN203623437U CN203623437U CN201320059838.9U CN201320059838U CN203623437U CN 203623437 U CN203623437 U CN 203623437U CN 201320059838 U CN201320059838 U CN 201320059838U CN 203623437 U CN203623437 U CN 203623437U
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- electromagnet
- headrest
- moving part
- revolute pair
- head
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Abstract
The utility model discloses an active and safe headrest device. The device is used for protecting neck parts of passengers in case of a rear collision bump. The device comprises a control module, a trigger mechanism, a connecting rod mechanism and a spacing mechanism. The control module is in circuit connection with the trigger mechanism to control the trigger mechanism to operate. The connecting rod mechanism controls the headrest to move after triggering operation. The spacing mechanism supplies power for the connecting rod mechanism and constraints extreme motion positions. The control module comprises an acceleration sensor, a contact switch and a single-chip microcomputer. The acceleration sensor can timely monitor the accelerator of an automobile to determine whether a rear collision bump happens. The contact switch can ensure the headrest to be not expanded when the head part is contacted with the headrest. The trigger mechanism comprises a locking-lever, a dead bolt, an electromagnet and an electromagnet traction head. By determination of an ECU, the electromagnet is triggered to ensure the headrest to be accurate and timely triggered, and when neck protection is completed, the headrest can be simply withdrawn again.
Description
Technical field
The utility model relates generally to automotive safety technical field, relates in particular to a kind of seat system headrest features design, for the neck protection of occupant under rear-end impact.
Background technology
Car seat headrest is a kind of safety when improving the traveling comfort of motroist while taking and to guarantee that motroist takes and the device that arranges.Car seat headrest is except can be for motroist increases comfort, and its radical function is to provide a head to rely on and spacing defencive function backward for passenger.
The demonstration of statistics of traffic accidents data, rear-end collision is a kind of common accident, the injury that while knocking into the back, front truck occupant suffers is mainly the whiplash injury of neck.Although this injury is fatal unlike head and chest injury, be difficult to cure completely, easily cause serious sequelae, the wounded can suffer long-term misery, and needs very high treatment cost.The risk of front truck occupant whiplass while knocking into the back in order to reduce, active safety pillow is arisen at the historic moment.Chair headrest, as actv. fender guard in rear-end impact, can reduce the relative motion of head and chest, plays the effect of protection occupant neck.When designing, the headrest generally using at present owing to will considering the factors such as side view, traveling comfort and safety, in the time of automobile generation rear-end impact, may not have actv. protective effect.Research shows, active safety pillow can be taken into account safety and traveling comfort, effectively protects occupant's neck, reduces neck injury.
At present, the active safety pillow on domestic and international market, because cost is higher, is applied on medium-to-high grade vehicle more, and technology rests in Foreign Automobile manufacturer more.Meanwhile, common active safety pillow system, in use easy false triggering, the problems that response time is slow or structure is too complicated of existing more.Therefore, be necessary to develop a kind of simple and reliable for structure active safety pillow that comprises control system and physical construction.
Utility model content
The purpose of this utility model is to provide a kind of active safety pillow device, and it can be according to the instantaneous acceleration after rear-end impact, coordinates master cock, overcome existing active safety pillow equipment mechanism complexity, response not in time, the easy shortcoming such as false touch.
In order to address the above problem, the technical solution adopted in the utility model is: a kind of active safety pillow device, it comprises control module, trigger mechanism, bar linkage structure and stop gear, and control module is connected by circuit with trigger mechanism, controls trigger mechanism mode of operation; Bar linkage structure is controlled the motion of headrest afterwards in triggering; Stop gear provides power and extreme sport position constraint for bar linkage structure.
Control module comprises acceleration pick-up, micro controller system and contact switch 6; Acceleration pick-up is arranged under seat, can Real-Time Monitoring pickup to determine whether generation rear-end impact, whether contact switch 6 is arranged in headrest moving part, can detect occupant's head and contact with headrest, micro controller system and ECU are integrated; Three is connected by circuit, and micro controller system is processed the signal that gathers self-acceleration sensor, and comprehensive contact switch state is controlled initiatively work of headrest.
Bar linkage structure comprises moving part 1, fixed part 9 and the top link 4 being arranged in parallel, lower swing arm 8; Top link 4 one end are connected with moving part 1 by revolute pair B, and top link 4 other ends are connected with fixed part 9 by revolute pair D; Moving part 1 is connected with lower swing arm 8 one end by revolute pair C, and the other end of lower swing arm 8 is connected with fixed part 9 by revolute pair E.
Trigger mechanism comprises locking rod 2, dead bolt 10, electromagnet drawing head 11 and electromagnet 12; Locking rod 2 is fixed on moving part 1, and electromagnet 12 is screwed on fixed part 9, and dead bolt 10 is fixed on fixed part 9 by revolute pair G, is provided with electromagnet drawing head on electromagnet 12, the motion of constraint dead bolt 10 lower ends; Receive after energizing signal, electromagnet 12 energising band motor magnet drawing heads 11 move downward, and dead bolt 10 lower ends are retrained by electromagnet drawing head no longer, and locking rod 2 is deviate from dead bolt 10 grooves, and headrest moving part 1 launches; Hand is to push-down head pillow moving part 1, and locking rod 2 is pressed onto lock tongue slot, drives the outer convex arc surface of lock tongue to depress electromagnet drawing head 11, and lock tongue is crossed drawing head rear haulage head 11 and ejected, realizes locking and resets.
Stop gear comprises position-limited lever 5, pilot bar 3 and operating spring 7; Moving part 1 is connected with pilot bar 3 tops by revolute pair A, and position-limited lever 5 top boss are stuck in pilot bar 3 grooves, and position-limited lever 5 bottoms are connected with fixed part 9 by revolute pair F; Operating spring 7 is enclosed within on position-limited lever 5 and pilot bar 3, and under rounding state, operating spring 7, in compressive state, discharges after locking rod 2 at trigger mechanism, and pilot bar 3 drives moving part 1 to move under the effect of operating spring.
Revolute pair A, revolute pair B, revolute pair C, revolute pair D, revolute pair E, revolute pair F, revolute pair G adopt articulated structure.
Compared with prior art, the utlity model has following advantage: active safety pillow device of the present utility model, the acceleration/accel of employing acceleration pick-up Real-Time Monitoring vehicle, judges by ECU, electromagnet triggers, and can guarantee that active safety pillow device triggers accurately and timely; When contact switch can guarantee that occupant's head contacts with headrest, rest the head on not unfolded, solved the problem of the easy false triggering of resting the head on; Bar linkage structure adopts spring that propulsive effort is provided, and has realized active safety pillow device quick, launches reposefully; Dead bolt and electromagnet connect the design of leader, make implementing after neck protection, can simply realize the gathering again of headrest, make this device can be convenient, the use of repetition; This apparatus structure is simple, with low cost, and dependable performance is reusable, is applicable on the seat of all kinds of automobiles.
Accompanying drawing explanation
Fig. 1 is rounding state structural representation transparent view of the present utility model;
Fig. 2 is deployed condition structural representation transparent view of the present utility model;
In the drawings:
1, moving part 2, locking rod 3, pilot bar
4, top link 5, position-limited lever 6, contact switch
7, operating spring 8, lower swing arm 9, fixed part
10, dead bolt 11, electromagnet drawing head 12, electromagnet
13, guide rod
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is conducted further description, but the utility model be not limited to this embodiment.
Fig. 1-Fig. 2 is the structural representation of this active safety pillow device, and this device comprises control module, trigger mechanism, bar linkage structure and stop gear, and control module is connected by signal wire (SW) with electromagnet 10, controls trigger mechanism mode of operation; Bar linkage structure is controlled the motion of headrest afterwards in triggering; Stop gear provides power and extreme sport position constraint for bar linkage structure.
Control module comprises acceleration pick-up, micro controller system and contact switch 6.Acceleration pick-up is arranged on automotive seat, and contact switch 6 is arranged on moving part 1, and moving part 1 is the part that headrest contacts with head.When contact switch 6 can guarantee that head contacts with headrest, rest the head on not unfolded, acceleration pick-up can Real-Time Monitoring pickup to determine whether generation rear-end impact, in the time bumping and contact switch 6 also detects that head does not contact with headrest, can pass the signal on micro controller system, the energising of Single-chip Controlling electromagnet, controls the motion of whole device.
Bar linkage structure comprises moving part 1, fixed part 9 and the top link 4 being arranged in parallel, lower swing arm 8; Top link 4 one end are connected with moving part 1 by revolute pair B, and top link 4 other ends are connected with fixed part 9 by revolute pair D; Moving part 1 is connected with lower swing arm 8 one end by revolute pair C, and the other end of lower swing arm 8 is connected with fixed part 9 by revolute pair E.Revolute pair all adopts articulated structure, can facilitate stably and rotate up and down; Fixed part 9 is connected with seat body by guide rod 13.
Trigger mechanism comprises locking rod 2, dead bolt 10, electromagnet drawing head 11 and electromagnet 12; Locking rod 2 is fixed on moving part 1, and electromagnet 12 is screwed on fixed part 9, and dead bolt 10 is fixed on fixed part 9 by revolute pair G, is provided with electromagnet drawing head 11 on electromagnet 12, the motion of constraint dead bolt 10 lower ends; Under rounding state, locking rod 2 is stuck in dead bolt 10, and dead bolt lower end is limited by electromagnet drawing head 11, realizes the locking of headrest, guarantees that under normal condition, headrest is not unfolded; Receive after energizing signal, electromagnet 12 energising band motor magnet drawing heads 11 move downward, and dead bolt 10 lower ends are retrained by electromagnet drawing head no longer, and locking rod 2 is deviate from dead bolt 10 grooves, and headrest moving part 1 launches; Hand is to push-down head pillow moving part 1, and locking rod 2 is pressed onto lock tongue slot, drives the outer convex arc surface of lock tongue to depress electromagnet drawing head 11, and lock tongue is crossed drawing head rear haulage head 11 and ejected, realizes locking and resets.
Stop gear comprises position-limited lever 5, pilot bar 3 and operating spring 7; Moving part 1 is connected with pilot bar 3 tops by revolute pair A, and position-limited lever 5 top boss are stuck in pilot bar 3 grooves, and position-limited lever 5 bottoms are connected with fixed part 9 by revolute pair F; Operating spring 7 is enclosed within on position-limited lever 5 and pilot bar 3, and under rounding state, operating spring 7, in compressive state, discharges after locking rod 2 at trigger mechanism, and pilot bar 3 drives moving part 1 to move under the effect of operating spring.Under deployed condition; position-limited lever 5 top boss are stuck in pilot bar 3 groove inner end surfaces; make headrest no longer continue to launch to realize spacing function; under spacing state; headrest bar linkage structure is in dead center position; after guaranteeing that headrest flicks, can bear the back motion that head impact causes, thereby realize the protection to neck.
The specific works flow process of active safety pillow device below:
Under normal circumstances, this device is in rounding state, after rear-end impact occurs, acceleration pick-up reaches triggering threshold values, contact switch 6 detects head and rests the head in situation about not contacting simultaneously, control module sends a signal to electromagnet 12, electromagnet 12 switches on power, adhesive electromagnet drawing head 11, electromagnet drawing head 11 moves down a segment distance, and dead bolt 10 lower ends do not have the restriction of electromagnet drawing head 11, under the restoring force effect of operating spring 4, locking rod 2 is deviate from dead bolt 10, removes the locking to headrest; After release, moving part 1 relies on bar linkage structure upwards to travel forward, and realizes fast speed and launches.In the process of launching, position-limited lever 5 moves axially 3 li of pilot bars, launch to reach behind desired location at headrest, the boss at position-limited lever 5 tops is stuck in pilot bar 3 groove inner end surfaces and realizes spacing, and at this moment, because the direction of the impulsive force of swing arm position and head is basically identical, bar linkage structure, at its dead center position, can prevent headrest motion backward under head impact effect.Launch and implemented after neck protection function at headrest; occupant can manually promote moving part 1 downwards; drive locking rod 2 back to move; locking rod 2 tops, to lock tongue slot, promote lock tongue slot revolution, and the outer convex arc surface of lock tongue pushes back drawing head; treat that lock tongue crosses electromagnet drawing head 11 completely; electromagnet drawing head 11 ejects, and the constraint that dead bolt 10 lower ends are subject to electromagnet drawing head 11 again, realizes return locking.
Above-described is only preferred embodiment of the present utility model; not in order to limit the utility model; everyly according to the technical solution of the utility model, above embodiment is carried out anyly revising simply, or variation and decoration similarly, all still belong to the scope of the utility model protection.
Claims (6)
1. an active safety pillow device, is characterized in that: this device comprises control module, trigger mechanism, bar linkage structure and stop gear, and control module is connected by circuit with trigger mechanism, controls trigger mechanism mode of operation; Bar linkage structure is controlled the motion of headrest afterwards in triggering; Stop gear provides power and extreme sport position constraint for bar linkage structure.
2. a kind of active safety pillow device according to claim 1, is characterized in that: described control module comprises acceleration pick-up, micro controller system and contact switch (6); Acceleration pick-up is arranged under seat, and contact switch (6) is arranged in headrest moving part, and micro controller system and ECU are integrated; Three is connected by circuit.
3. a kind of active safety pillow device according to claim 1, is characterized in that: described bar linkage structure comprises moving part (1), fixed part (9) and the top link (4) being arranged in parallel, lower swing arm (8); Top link (4) one end is connected with moving part (1) by revolute pair B, and top link (4) other end is connected with fixed part (9) by revolute pair D; Moving part (1) is connected with lower swing arm (8) one end by revolute pair C, and the other end of lower swing arm (8) is connected with fixed part (9) by revolute pair E.
4. a kind of active safety pillow device according to claim 1, is characterized in that: described trigger mechanism comprises locking rod (2), dead bolt (10), electromagnet drawing head (11) and electromagnet (12); Locking rod (2) is fixed on moving part (1), electromagnet (12) is screwed on fixed part (9), it is upper that dead bolt (10) is fixed on fixed part (9) by revolute pair G, and electromagnet is provided with electromagnet drawing head on (12), the motion of constraint dead bolt (10) lower end; Receive after energizing signal, electromagnet (12) energising band motor magnet drawing head (11) moves downward, and dead bolt (10) lower end is retrained by electromagnet drawing head no longer, and locking rod (2) is deviate from dead bolt (10) groove, and headrest moving part (1) launches; Hand is rested the head on moving part (1) to push-down head, and locking rod (2) is pressed onto lock tongue slot, drives the outer convex arc surface of lock tongue to depress electromagnet drawing head (11), and lock tongue is crossed drawing head rear haulage head (11) and ejected, realizes locking and resets.
5. a kind of active safety pillow device according to claim 1, is characterized in that: described stop gear comprises position-limited lever (5), pilot bar (3) and operating spring (7); Moving part (1) is connected with pilot bar (3) top by revolute pair A, and position-limited lever (5) top boss is stuck in pilot bar (3) groove inner end surface, and position-limited lever (5) bottom is connected with fixed part (9) by revolute pair F; Operating spring (7) is enclosed within position-limited lever (5) and pilot bar (3) is upper, discharges after locking rod (2) at trigger mechanism, and pilot bar (3) drives moving part (1) motion under the effect of operating spring.
6. a kind of active safety pillow device according to claim 1, is characterized in that: top link (4), the lower swing arm (8) of position-limited lever (5), pilot bar (3) and the operating spring (7) of described stop gear and the bar linkage structure being arranged in parallel are equipped with symmetrical a pair of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320059838.9U CN203623437U (en) | 2013-02-01 | 2013-02-01 | Active and safe headrest device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320059838.9U CN203623437U (en) | 2013-02-01 | 2013-02-01 | Active and safe headrest device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203623437U true CN203623437U (en) | 2014-06-04 |
Family
ID=50809945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320059838.9U Expired - Lifetime CN203623437U (en) | 2013-02-01 | 2013-02-01 | Active and safe headrest device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203623437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101464A (en) * | 2013-02-01 | 2013-05-15 | 长沙立中汽车设计开发有限公司 | Active safe headrest device |
-
2013
- 2013-02-01 CN CN201320059838.9U patent/CN203623437U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103101464A (en) * | 2013-02-01 | 2013-05-15 | 长沙立中汽车设计开发有限公司 | Active safe headrest device |
| CN103101464B (en) * | 2013-02-01 | 2015-11-18 | 江苏百立汽车科技有限公司 | A kind of active safe headrest device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHANGSHA LIZHONG AUTOMOBILE DESIGN + DEVELOPMENT C Free format text: FORMER OWNER: JIANGSU BAILI AUTOMOBILE TECHNOLOGY CO., LTD. Effective date: 20150122 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225603 YANGZHOU, JIANGSU PROVINCE TO: 410205 CHANGSHA, HUNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150122 Address after: 410205, Changsha, Hunan province Yuelu District national hi tech Development Zone, road, No. 8, star venture base 508 rooms Patentee after: CHANGSHA LIZHONG AUTOMOBILE DESIGN AND DEVELOPMENT Co.,Ltd. Address before: 225603 science and technology innovation center, Dongting Lake Road, Gaoyou Economic Development Zone, Jiangsu, Yangzhou Patentee before: JIANGSU BAILI AUTOMOBILE SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |