CN100586759C - Device for protecting neck and spine of passenger on vehicle seat - Google Patents
Device for protecting neck and spine of passenger on vehicle seat Download PDFInfo
- Publication number
- CN100586759C CN100586759C CN200610006351A CN200610006351A CN100586759C CN 100586759 C CN100586759 C CN 100586759C CN 200610006351 A CN200610006351 A CN 200610006351A CN 200610006351 A CN200610006351 A CN 200610006351A CN 100586759 C CN100586759 C CN 100586759C
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- passenger
- seat
- retracing spring
- corrugated
- lever element
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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
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.
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 among 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, the head H of passenger M is shown in dotted line to be moved forward immediately, and meanwhile, the recoil F2 quilt that the body part B of passenger M 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, and 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 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 be on the direction of the front and back of back of seat movably;
Lever element, it has the first end that links to each other with described headrest supporting member and the second end with round section, 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 corrugated retracing spring element of elastic extension in described back of seat, the width of described corrugated retracing spring element provides support the plane for passenger's back; With
Be used for bearing element in rear impact or the elastic pressure that bears by passenger's applied pressure under the case of collision backward, described elastic pressure bears element and comprises:
Horizontal plate like region;
First bonding part, this first bonding part have the annular region that engages with the described round section rotation of the second end of described lever element, and
Second bonding part, this second bonding part combines with the part of described corrugated retracing spring element,
Wherein, in rear impact or during colliding backward, when being exerted pressure by the passenger, the described part of described corrugated retracing spring element is rotated with the second end of described pressure bearing element around described lever element.
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 represent 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 SB among Fig. 5) 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 the top that 3A, 3A are arranged on back of seat SB movably by a pair of headrest.Headrest HD has head restraint frame 3, two stature occipital branches supports 3A and extends downwardly into the inside of back of seat SB and be fixed on the rotation stay bearing plate 5 from head restraint frame.
As shown in Figure 5, above-mentioned rotation stay bearing plate 5 is firmly connected on the support 51, and 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 artly, headrest HD and rotation stay bearing plate 5 also combine with following lever element 2 and have constituted so-called active head restraint device.
Known corrugated retracing spring 4A be stretched between two side frame elements 62,62 and be arranged to make its part be arranged on the corresponding point of the above-mentioned predetermined point at lower horizontal part 20 places on.Mark 4B represents common corrugated spring.
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 the 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 among two vertical plate like region 10B of sidepiece.Each first bonding part 12 is all integrally formed so that stretch out and substantially for double-walled construction from the side of specific lateral region 10B with lateral region 10B.That is, first bonding part 12 comprises: the pair of engaging leg 12A, the 12A that form of the 12Ab of upstanding wall portion, 12Ab that is arranged by a pair of branch and transverse wall portion 12B respectively; The a pair of annular engaging zones that limits by a pair of annular trip edge 12C, 12C respectively.
As shown in Figure 6, two of above-mentioned two engagement leg 12A corresponding transverse wall portion 12B are with the opposed facing relation segment distance L1 that separates each other.
(12B is relative with transverse wall portion) integrally formed with the base area of two engagement leg 12A is a pair of elevated regions 12R, 12R, thereby first and second plate portions 10,11 are separated each other by elevated regions 12R, 12R define the above-mentioned second bonding part 10A between them.
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 first through hole 10A-1 between an end of second plate portion 11 and the first horizontal plate like region 10C, and further defines at the other end of second plate portion 11 and the second through hole 10A-2 between the second horizontal plate like region 10D.
The second bonding part 10A that comprises the first and second through hole 10A-1,10A-2 has width L2 as shown in Figure 4.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 the second flexural spring part 42 that a plurality of first flexural spring parts 41 of stretching out along direction other direction opposite with this direction with a plurality of edge stretches out, as shown in the figure, make in the flexural spring part 41 of winning one with the second flexural spring part 42 in an arranged alternate.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 the above-mentioned second bonding part 10A between corresponding two inwalls of two elevated regions 12R is slightly less than the width L3 of the second flexural spring part 42 and extends along the vertical equity of pressure bearing plate 1.Except this horizontal clearance L2, each the first and second through hole 10A-1,10A-2 have 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 second a specific 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 second a specific 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: in edge of second flat main body portion 11 and the position between the first horizontal plate like region 10C; With in 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, makes above-mentioned second a specific flexural spring part 42 and two continuous transitional regions 43 be fixed between second flat 11 and first and second horizontal plate like region 10C, 10D and by it by friction grip.
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, second specific flexural spring part 42 at first is inserted among the first through hole 10A-1 of pressure bearing plate 1 and to pass the second bonding part 10A protruding and be placed on the second horizontal plate like region 10D from the second through hole 10A-2 up to the distal portions of the second flexural spring part 42.Therefore, two corresponding two inwalls that are generally rectilinear transitional region 43,43 and two elevated regions 12R, 12R that link to each other with this second specific flexural spring part 42 are wipe contact.In addition, the second flexural spring part 42 and two relevant transitional regions 43 frictionally are clamped between second flat main body portion 11 and first and second horizontal plate like region 10C, the 10D and by it and are fixed.
Thereafter, the lower horizontal part 20 of lever element 2 is put in two first bonding parts 12 of pressure bearing plate 1 and is inserted into by force in the narrow space between two transverse wall portion 12B of two first bonding parts 12 (at the L1 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 edge 12C.Simultaneously, self-return makes lever lower horizontal part 20 be surrounded fixing by the annular trip edge 12C of two first bonding parts 12 to normal initial position to two engagement leg 12A owing to their elastic recovery character.Two spaced apart upstanding wall part 12Ab, the 12Ab of two specific engagement leg 12A are provided with the elasticity mobility that strengthens and guaranteed two engagement leg 12A.
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) pressure bearing plate 1 is engaged regularly with lever element 2 and corrugated retracing spring 4A become quite light, this be because, at first, specific one in the second flexural spring part 42 of corrugated retracing spring 4A can be inserted among the second bonding part 10A simply, and subsequently, the lower horizontal part 20 of lever element 2 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 the 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, it has the first end that links to each other with described headrest supporting member and the second end with round section, 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 corrugated retracing spring element of elastic extension in described back of seat, the width of described corrugated retracing spring element provides support the plane for passenger's back; With
Be used for bearing element in rear impact or the elastic pressure that bears by passenger's applied pressure under the case of collision backward, described elastic pressure bears element and comprises:
Horizontal plate like region;
First bonding part, this first bonding part have the annular region that engages with the described round section rotation of the second end of described lever element, and
Second bonding part, this second bonding part combines with the part of described corrugated retracing spring element,
Wherein, in rear impact or during colliding backward, when being exerted pressure by the passenger, the described part of described corrugated retracing spring element is rotated with the second end of described pressure bearing element around described lever element.
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 CN101003261A (en) | 2007-07-25 |
| CN100586759C true 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) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011031760A (en) * | 2009-08-03 | 2011-02-17 | Nhk Spring Co Ltd | Seat back structure of vehicle seat |
| JP5496617B2 (en) * | 2009-11-20 | 2014-05-21 | デルタ工業株式会社 | 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 |
| CN103402816B (en) * | 2011-03-01 | 2015-10-21 | 丰田自动车株式会社 | Vehicle seat used |
| CN103287290B (en) * | 2013-06-05 | 2015-09-02 | 安徽工程大学 | A kind of automotive vehicle seat protecting head |
| CN104553913B (en) * | 2014-12-24 | 2017-09-29 | 郑州日产汽车有限公司 | With the car crass active safe headrest device for letting out force mechanisms |
| 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 |
Citations (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 |
| US6375262B1 (en) * | 2000-03-14 | 2002-04-23 | Ikeda Bussan Co., Ltd. | Automotive seat-back structure |
| GB2402057A (en) * | 2003-05-29 | 2004-12-01 | Autoliv Dev | A pivotable vehicle headrest activated by an impact sensor |
| JP2005119610A (en) * | 2003-10-20 | 2005-05-12 | Nissan Motor Co Ltd | Vehicular headrest device |
| US20050280295A1 (en) * | 2003-06-05 | 2005-12-22 | Trw Vehicle Safety Systems Inc. | Apparatus with actuatable tether for resisting rearward movement of a backrest portion of a seat |
-
2006
- 2006-01-17 CN CN200610006351A patent/CN100586759C/en not_active Expired - Fee Related
Patent Citations (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 |
| US6375262B1 (en) * | 2000-03-14 | 2002-04-23 | Ikeda Bussan Co., Ltd. | Automotive seat-back structure |
| GB2402057A (en) * | 2003-05-29 | 2004-12-01 | Autoliv Dev | A pivotable vehicle headrest activated by an impact sensor |
| US20050280295A1 (en) * | 2003-06-05 | 2005-12-22 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101003261A (en) | 2007-07-25 |
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Granted publication date: 20100203 Termination date: 20160117 |
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