CN101003261A - Device for protecting passenger's neck and spine on vehicle seat - Google Patents
Device for protecting passenger's neck and spine on vehicle seat Download PDFInfo
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- CN101003261A CN101003261A CN 200610006351 CN200610006351A CN101003261A CN 101003261 A CN101003261 A CN 101003261A CN 200610006351 CN200610006351 CN 200610006351 CN 200610006351 A CN200610006351 A CN 200610006351A CN 101003261 A CN101003261 A CN 101003261A
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- seat
- retracing spring
- lever element
- pressure bearing
- passenger
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Abstract
A mechanism for protecting the cervical vertebrae of a passenger sitting on the seat of car is composed of a lever element with one end connected to head pillow and another end on restoring spring element, and a flexible and elastic pressure bearing element with the first and the second joint parts connected respectively to both ends of said lever element.
Description
1. technical field
The present invention relates to a kind of device that is used to protect passenger's cervical spine on the automotive seat, these automotive seat are the type with active head restraint device.
2. background technology
Known have a kind of device of the cervical spine that is used for protecting the passenger of combining with the active head restraint device (promptly at head rest device; the headrest main body is automatically moved with other mechanical part), this device is set in the automotive seat and is designed in rear impact or collides the cervical spine that time protection is sitting in the passenger on the seat backward.
As shown in fig. 1; according to such cervical spine fender guard; headrest supporting member (S) rotatably is connected with lever element (L) by the pin (R) in the back of seat (SB), and the lower end of lever element (L) is fixed to and is suitable for bearing on the fuel plate (P) at passenger (M) back.Therefore, headrest main body (HD) and fuel plate (P) are for rotating on fore-and-aft direction around pin (R).
When having the automobile (not shown) generation rear impact of above-mentioned active head restraint device, big load (F1) quilt onwards (F) is applied on the back of seat (SB), its result is, passenger's (M) head (H) is shown in dotted line to be moved forward immediately, and meanwhile, recoil (F2) quilt that passenger's (M) body part (B) produces (at the R place) backward is applied on the back of seat (SB).During this time, fuel plate (P) is compressed from the recoil (F2) at passenger (M) back and is moved backward shown in 2. as arrow, it makes headrest main body (HD) rotate forward shown in 1. as arrow subsequently, contacts thereby headrest main body (HD) is supported with head of passenger (H) apace.Protected the cervical spine of passenger (M) to escape injury by this way.
According to this traditional setting, make lever element (L) be generally " U " shape by tubular metal material being bent to " U " shape, it has horizontal bottom (at the L1 place) and a pair of vertical part (at the L2 place).This is similar to lever element of the present invention (2) shown among Fig. 2 " U " shape.As shown in fig. 1, two of lever element (L) vertical parts (at the L2 place) are connected with backrest frame (BF) pivotly by pin (R).Although in Fig. 1, do not show, but from Fig. 2, be appreciated that and between two lateral sides of backrest frame (BF), be extended with the corrugated retracing spring that metallic material makes and the horizontal bottom (at L1) and corrugated retracing spring direct connection of above-mentioned lever element (L).
But, the bottom of lever element (at the L1 place) is found with the direct connection of retracing spring and has following defective (i) because specific lever end (at the L1 place) also links to each other with fuel plate (P), when recoil (F2) is applied on the fuel plate (P) as mentioned above, produce strong contacting between lever bottom (at the L1 place) and the retracing spring, because their metal hardness makes this contact generation make us unhappy noise, and (ii) bottom (at the L1 place) to be positioned on the predetermined point of retracing spring and to be not easy and in practical set the former with the latter to be connected also be pretty troublesome.
Summary of the invention
In view of above-mentioned defective, purpose of the present invention just provides a kind of modifying device that is used to protect passenger's cervical spine on the automotive seat, and it can be assembled and avoid sending in operation the noise that makes us unhappy like a cork.
In order to realize this purpose, according to the present invention, it provides a kind of device that is used to protect passenger's cervical spine, and this device comprises substantially:
Be connected to the headrest supporting member on the headrest, described headrest supporting member is to the front and back of back of seat movably;
Lever element, its have end linking to each other with described headrest supporting member and with another relative end of a described end, described lever element be set in the described back of seat and with the headrest supporting member for movably to the front and back of back of seat;
The retracing spring element of elastic extension in described back of seat; With
Be used in rear impact or bear pressure bearing element backward under the case of collision by passenger's applied pressure,
Described pressure bearing element has elasticity and comprises:
Be used to receive and engage first bonding part of described another end of described lever element; With
Be used to receive and engage second bonding part of the part of described retracing spring element,
Another end of wherein said lever element engages with described first bonding part, and the described part of described retracing spring element engages with described second bonding part, makes described lever element and described retracing spring element link together by described pressure bearing element so that no touch each other.
Preferably, the pressure bearing element can be made by having soft and synthetic resin material elastic property.
Other various feature and advantage of the present invention will become apparent by the description below reading with reference to the accompanying drawings.
Description of drawings
Fig. 1 is used for illustrating the structure that is used to protect the conventional apparatus of passenger's cervical spine on the automotive seat and the sketch of action explanatoryly;
Fig. 2 is schematic transparent view, and it has shown the device that is used to protect passenger's cervical spine according to of the present invention, and it is set in the backrest frame;
Fig. 3 is the transparent view cut open of part, and it has shown lever element and the corrugated retracing spring that uses at the device that is used for protecting passenger's cervical spine of the present invention;
Fig. 4 is the transparent view cut open of part, and it has shown that being used among the present invention protect the main portion of the device of passenger's cervical spine;
Fig. 5 is the cutaway view along the line V-V among Fig. 2; With
Fig. 6 is the cutaway view along the line VI-VI among Fig. 4.
The specific embodiment
Referring to figs. 1 to 6, its illustrate usually by (PD) expression according to the preferred embodiment that is used to protect the device of passenger's cervical spine on the automotive seat of the present invention.
Mark (6) is illustrated in the inner backrest frame that is provided with of back of seat (referring to the mark among Fig. 5 (SB)) of automotive seat (not shown).As be known in the art, this backrest frame (6) is made of upper frame element (61), lower frame element (63) and a pair of side frame elements (62) (62) basically.
It should be noted that term " forward " or " onwards " expression to the front of back of seat (SB) (F), and term " backward " or " backward " expression are to the back of back of seat (SB) (R).
As shown in the figure, active head restraint (HD) supports (3A) by a pair of headrest and (3A) is arranged on the top of back of seat (SB) movably.Headrest (HD) has head restraint frame (3), and two stature occipital branches supports (3A) extend downwardly into the inside of back of seat (SB) and are fixed to from head restraint frame rotates on the stay bearing plate (5).
As shown in Figure 5; above-mentioned rotation stay bearing plate (5) is firmly connected on the support (51); support (51) rotatably links to each other with upper frame element (61) by hinge (52), and wherein, support (51) and hinge (52) are the element of cervical spine fender guard (PD).
Should be noted in the discussion above that as be known in the art, headrest (HD) and rotate stay bearing plate (5) and also combine and constituted so-called active head restraint device with following lever element (2).
Lever element (2) is generally " U " shape and is so made to have lower horizontal part (20) and a pair of vertical part (21) (21) by the metallic material of rigidity.Lever element (2) is one of known element of cervical spine fender guard (PD).Two vertical part (21) (21) all have the upper end (2E) that is fixed by welding on the rotation stay bearing plate (5), and lower horizontal part (20) is positioned on the predetermined point.
Known corrugated retracing spring (4A) is being stretched between two side frame elements (62) (62) and is being arranged to make its part to be arranged on the corresponding point of above-mentioned predetermined point with lower horizontal part (20) place.The corrugated spring that mark (4B) expression is common.
According to the present invention, be provided with pressure bearing fuel plate (1) with the corresponding point of above-mentioned predetermined point place, the part of corrugated retracing spring (4A) is mutually stacked at the predetermined point place with lever element lower horizontal part (20).
Pressure bearing fuel plate (1) is by making graphic shape such as polyacrylic synthetic resin material.Especially, preferably as shown in Figure 4, pressure bearing fuel plate (1) is formed by following integral part basically: first flat main body portion (10); Second flat main body portion (11); A pair of first bonding part (12) (12); With second bonding part (10A).
Be provided with by from the direct acting part of load of passenger's body part and have the effect of directly bearing pressure around first flat main body portion (10) of fixed orifice (10A).This first flat main body portion (10) comprises the first horizontal plate like region (10C), the second horizontal plate like region (10D) and a counter-lateral quadrents vertical plate shape zone (10B) (10B).
As shown in Figure 4, above-mentioned two first bonding parts (12) are each defined in two vertical plate like region of sidepiece (10B).Each first bonding part (12) is all integrally formed so that stretch out and substantially for double-walled construction from a side of specific lateral region (10B) with lateral region (10B).That is, first bonding part (12) comprising: respectively the upstanding wall portion (12Ab) that is arranged by a pair of branch (12Ab) and the pair of engaging leg (12A) that forms of transverse wall portion (12B) (12A); The a pair of annular engaging zones that (12C) limits by a pair of annular trip edge (12C) respectively.
As shown in Figure 6, two corresponding transverse wall portion (12B) of above-mentioned two engagement leg (12A) are with the opposed facing relation segment distance (L1) that separates each other.
With integrally formed ((12B) is relative with transverse wall portion) of the base area of two engagement leg (12A) be a pair of elevated regions (12R) (12R), first and second plate portions (10) (11) by elevated regions (12R) thus (12R) separate each other and between them, define above-mentioned second bonding part (10A).
In conjunction with reference to figure 4 and 6, can see that this second bonding part (10A) is a space, this space also defines the end that is positioned at second plate portion (11) and first through hole (10A-1) between the first horizontal plate like region (10C), and further defines the other end that is positioned at second plate portion (11) and second through hole (10A-2) between the second horizontal plate like region (10D).
Comprise first and second through holes (10A-1), second bonding part (10A) (10A-2) and have as shown in Figure 4 width (L2).Exactly, this width (L2) is the width between two corresponding inwalls of two elevated regions (12R).
Corrugated retracing spring (4A) shown in Fig. 3 has second flexural spring part (42) that a plurality of first flexural spring part (41) other directions opposite with this direction with a plurality of edge that stretch out along a direction stretch out, as shown in the figure, make in the flexural spring part (41) of winning one with second flexural spring arranged alternate in (42) partly.Being generally rectilinear transitional region (43) is limited between each first flexural spring part (41) and each the second flexural spring part (42) naturally.Should be noted in the discussion above that one is generally rectilinear transitional region (43) and is generally rectilinear transitional region (43) (L3) from a distance with another.In other words, each second flexural spring part (42) has width (L3).
The width (L2) that is limited at above-mentioned second bonding part (10A) between corresponding two inwalls of two elevated regions (12R) is slightly less than the width (L3) of second flexural spring part (42) and extends along the vertical equity of pressure bearing plate (1).Except this horizontal clearance (L2), each first and second through hole (10A-1) (10A-2) has naturally along another width that extends with the rectangular direction of the direction of width (L2), this another width does not identify in the drawings, but can be by easily understanding referring to Fig. 6 in conjunction with Fig. 4.This is because need this another width so that fix above-mentioned specific second flexural spring part (42) on the direction vertical with corresponding two inwall place directions of two elevated regions (12R), as width (L2) limits, that two sidepieces (i.e. two transitional regions (43)) of specific second flexural spring part (42) are fixing.Under any technical personnel in the technical field will understand from Fig. 6 that this another width equals equally in following two qualifications that carry out the position: be positioned at edge of second flat main body portion (11) and the position between the first horizontal plate like region (10C); And be positioned at another edge of second flat main body portion (11) and the position between the second horizontal plate like region (10D).This another width equals or is slightly smaller than the cross-sectional plane (or diameter) of above-mentioned second a specific U-shaped spring section (42), make above-mentioned specific second flexural spring part (42) and two continuous transitional regions (43) by friction grip second flat (11) and first and second horizontal plate like region (10C) (10D) between and fixed by it.
Now, will how be linked together to lever element (2) and corrugated retracing spring (4A) and describe by above-mentioned pressure bearing plate (1).
As understandable from Fig. 4 and 6, specific second flexural spring part (42) at first is inserted in first through hole (10A-1) of pressure bearing plate (1) and to pass second bonding part (10A) protruding and be placed on the second horizontal plate like region (10D) from second through hole (10A-2) up to the distal portions of second flexural spring part (42).Therefore, link to each other with this specific second flexural spring part (42) two are generally rectilinear transitional region (43) (43) and two elevated regions (12R) corresponding two inwalls (12R) are wipe contact.In addition, second flexural spring part (42) and two relevant transitional regions (43) frictionally be clamped in second flat main body portion (11) and first and second horizontal plate like region (10C) (10D) between and fixed by it.
Thereafter, the lower horizontal of lever element (2) part (20) is put in two first bonding parts (12) of pressure bearing plate (1) and is inserted into narrow space between two transverse wall portion (12B) that are positioned at two first bonding parts (12) by force (at L
1The place).Subsequently, two engagement leg (12A) of each fixed part (12) are because their elastic property former thereby by distortion flexibly and depart from mutually, thereby make lever element lower horizontal part (20) pass therethrough and be placed in the annular region that is limited by two annular trip edges (12C).Simultaneously, self-return is to normal initial position owing to their elastic recovery character for two engagement leg (12A), and it is fixing to make lever lower horizontal part (20) be surrounded by the annular trip edge (12C) of two first bonding parts (12).The spaced apart upstanding walls parts of two of specific two engagement leg (12A) (12Ab) (12Ab) the elasticity mobility that strengthens and guaranteed two engagement leg (12A) is set.
Correspondingly, lever element (2) links to each other with corrugated retracing spring (4A) by pressure bearing plate (1), so then cervical spine fender guard (PD) is assembled in the seat back frame (16).
As above conceived, can be obtained following effect and advantage:
(i) both engage regularly and become quite light with pressure bearing plate (1) and lever element (2) and corrugated retracing spring (4A), this be because, at first, specific one in second flexural spring of corrugated retracing spring (4A) part (42) can be inserted in second bonding part (10A) simply, and subsequently, the lower horizontal of lever element (2) part (20) is inserted in two first bonding parts (12) simply.This has accelerated the assembling of cervical spine fender guard (PD).
(ii) as mentioned above, two first bonding parts (12) and second bonding part (10A) are separated clearly, it has guaranteed that lever element (2) does not contact with corrugated retracing spring (4A), thereby has avoided fully because any noise that this contact produces.
(iii) pressure bearing plate (1) itself is made by the material such as the soft and elastic of synthetic resin material.Therefore, can not send the noise that makes us unhappy pressure bearing plate (1) and bimetallic lever element (2) and retracing spring (4A) contacting between the two.
Although invention has been described so far, should be appreciated that the present invention is not limited to the embodiment that illustrates, and under the situation of the scope that does not deviate from additional claim, can carry out any other distortion the present invention, replace and increase.
Claims (4)
1. a device that is used to protect passenger's cervical spine combines with the back of seat of automotive seat and the headrest that is arranged on movably on the described back of seat, and this device comprises:
Be connected to the headrest supporting member on the headrest, described headrest supporting member be on the direction of the front and back of back of seat movably;
Lever element, its have end linking to each other with described headrest supporting member and with another relative end of a described end, described lever element be set in the described back of seat and with the headrest supporting member on the direction of the front and back of back of seat movably;
The retracing spring element of elastic extension in described back of seat; With
Be used in rear impact or bear pressure bearing element backward under the case of collision by passenger's applied pressure,
Described pressure bearing element has elasticity and comprises:
Be used to receive and engage first bonding part of described another end of described lever element; With
Be used to receive and engage second bonding part of the part of described retracing spring element,
Wherein, another end of described lever element engages with described first bonding part, and the described part of described retracing spring element engages with described second bonding part, makes described lever element and described retracing spring element link together by described pressure bearing element so that no touch each other.
2. the device that is used to protect passenger's cervical spine as claimed in claim 1 is characterized in that, the pressure bearing element is by having soft and synthetic resin material elastic property is made.
3. the device that is used to protect passenger's cervical spine as claimed in claim 1; it is characterized in that; described retracing spring element comprises having a plurality of second flexural springs corrugated retracing spring partly that stretches out along a plurality of first flexural spring partial sums edge another direction opposite with a described direction that a direction is stretched out; make by this way in described a plurality of first flexural spring part one with described a plurality of second sweeps in an arranged alternate; wherein; the described part of described retracing spring element is specific in described a plurality of first flexural spring part; wherein; described second bonding part comprises aperture apparatus; and described specific one of wherein said a plurality of first flexural spring part frictionally is inserted in the described aperture apparatus, thereby described corrugated retracing spring is connected with described pressure bearing element.
4. the device that is used to protect passenger's cervical spine as claimed in claim 1 is characterized in that, described first bonding part is shaped as elasticity and surrounds described another end that ground engages described lever element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610006351A CN100586759C (en) | 2006-01-17 | 2006-01-17 | Device for protecting neck and spine of passenger on vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610006351A CN100586759C (en) | 2006-01-17 | 2006-01-17 | Device for protecting neck and spine of passenger on vehicle seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101003261A true CN101003261A (en) | 2007-07-25 |
| CN100586759C CN100586759C (en) | 2010-02-03 |
Family
ID=38702722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610006351A Expired - Fee Related CN100586759C (en) | 2006-01-17 | 2006-01-17 | Device for protecting neck and spine of passenger on vehicle seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100586759C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987587A (en) * | 2009-08-03 | 2011-03-23 | 日本发条株式会社 | Seat back structure for seat for vehicle |
| CN102069735A (en) * | 2009-11-20 | 2011-05-25 | 德鱼塔工业股份有限公司 | Vehicle seat |
| CN102205808A (en) * | 2011-01-21 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Backrest framework of vehicle seat |
| CN103287290A (en) * | 2013-06-05 | 2013-09-11 | 安徽工程大学 | Motor vehicle seat protecting head |
| CN103402816A (en) * | 2011-03-01 | 2013-11-20 | 丰田自动车株式会社 | Vehicle seat |
| CN104553913A (en) * | 2014-12-24 | 2015-04-29 | 郑州日产汽车有限公司 | Car crash active safety headrest device with force release mechanism |
| CN113246822A (en) * | 2021-06-23 | 2021-08-13 | 北京汽车股份有限公司 | Active disconnection passive triggering type automobile seat backrest structure and automobile |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378043A (en) * | 1993-06-01 | 1995-01-03 | General Motors Corporation | Vehicle pivotal headrest |
| JP2000201770A (en) * | 1999-01-14 | 2000-07-25 | Ikeda Bussan Co Ltd | Seat back for automobile |
| JP2001253282A (en) * | 2000-03-14 | 2001-09-18 | Johnson Controls Automotive Systems Corp | Seat back for automobile |
| GB2402057B (en) * | 2003-05-29 | 2006-02-15 | Autoliv Dev | Improvements in or relating to a head-rest arrangement |
| US7077472B2 (en) * | 2003-06-05 | 2006-07-18 | Trw Vehicle Safety Systems Inc. | Apparatus with actuatable tether for resisting rearward movement of a backrest portion of a seat |
| JP2005119610A (en) * | 2003-10-20 | 2005-05-12 | Nissan Motor Co Ltd | Vehicular headrest device |
-
2006
- 2006-01-17 CN CN200610006351A patent/CN100586759C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987587A (en) * | 2009-08-03 | 2011-03-23 | 日本发条株式会社 | Seat back structure for seat for vehicle |
| CN102069735A (en) * | 2009-11-20 | 2011-05-25 | 德鱼塔工业股份有限公司 | Vehicle seat |
| CN102069735B (en) * | 2009-11-20 | 2014-10-22 | 德鱼塔工业股份有限公司 | Vehicle seat |
| CN102205808A (en) * | 2011-01-21 | 2011-10-05 | 浙江吉利汽车研究院有限公司 | Backrest framework of vehicle seat |
| CN102205808B (en) * | 2011-01-21 | 2012-11-28 | 浙江吉利汽车研究院有限公司 | Backrest framework of vehicle seat |
| CN103402816A (en) * | 2011-03-01 | 2013-11-20 | 丰田自动车株式会社 | Vehicle seat |
| CN103402816B (en) * | 2011-03-01 | 2015-10-21 | 丰田自动车株式会社 | Vehicle seat used |
| CN103287290A (en) * | 2013-06-05 | 2013-09-11 | 安徽工程大学 | Motor vehicle seat protecting head |
| CN104553913A (en) * | 2014-12-24 | 2015-04-29 | 郑州日产汽车有限公司 | Car crash active safety headrest device with force release mechanism |
| CN113246822A (en) * | 2021-06-23 | 2021-08-13 | 北京汽车股份有限公司 | Active disconnection passive triggering type automobile seat backrest structure and automobile |
| CN113246822B (en) * | 2021-06-23 | 2022-07-12 | 北京汽车股份有限公司 | Active disconnection passive triggering type automobile seat backrest structure and automobile |
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