CN102837662A - Overturning anti-locking type structure for seat - Google Patents
Overturning anti-locking type structure for seat Download PDFInfo
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- CN102837662A CN102837662A CN201210315501XA CN201210315501A CN102837662A CN 102837662 A CN102837662 A CN 102837662A CN 201210315501X A CN201210315501X A CN 201210315501XA CN 201210315501 A CN201210315501 A CN 201210315501A CN 102837662 A CN102837662 A CN 102837662A
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- locking
- briquetting
- seat
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Abstract
The invention discloses an overturning anti-locking type structure for a seat, comprising a safety belt coiling device, a vehicle sensing function locking block and a pressing block matched with the vehicle sensing function locking block, wherein a core shaft of the safety belt coiling device is in transmission connection with a driving cam through a gear; and the pressing block and a cam face of the driving cam are adjacently arranged. A safety belt vehicle sensing function can be automatically closed along of overturning of a seat backrest; and after the seat is reset, the safety belt vehicle sensing function can be automatically opened, so as to avoid the condition that the seat backrest is difficult to reset or cannot be reset due to the vehicle sensing locking. Compared with a traditional double-group lock buckle manner, a lock buckle cost is reduced; and meanwhile, a passenger does not need to do unlocking motion before overturning the seat, so as to avoid the phenomenon that a subsequent seat cannot be reset due to incorrect operation. Therefore, the overturning anti-locking type structure for the seat is convenient to operate and low in cost, and does not cause the condition of the incorrect operation.
Description
Technical field
The present invention relates to the rotary tightening technology of safety strap, be specifically related to the anti-locking-type structure of a kind of turnover seat.
Background technology
In order to improve the automotive use safety performance, country's issue rules are arranged behind all cars and all need be used the urgent formula safety strap of bikini, and wherein many vehicle safety strap are because of the vehicle body reason, and safe attachment point can only be chosen on the back of seat.Safety strap is in the seat switching process like this, because safety strap car sense inclination angle locking, can make the back of seat can't return, causes the turnover seat disabler.Thereby for the safety strap that is installed on this place, something must be done to comes anti-generation of planting phenomenon here.
In order to satisfy the seat requirement of tumbling, generally take dual mode at present, a kind of is to increase the ribbon inhibiting device at the ribbon initial position, but ribbon in switching process, can not get back in the taking-up device, increase behind the spacing button not attractive in appearance; The 2nd, adopt two group snap closes, must first release before the seat of tumbling, otherwise being difficult for release after tumbling, seat makes the seat return, inconvenient operation is prone to maloperation, and cost is high.
Summary of the invention
To above-mentioned weak point of the prior art, the present invention aims to provide the anti-locking-type structure of a kind of turnover seat, through this anti-lock construction, realizes the automatic open and close of safety strap car sense function, and then normally the tumbling and return of Convenient chair.
To achieve these goals; Technical scheme of the present invention: a kind of turnover seat is prevented the locking-type structure; Comprise Webbing retractor, car sense function latch and the briquetting that cooperates with this latch; Wherein, the mandrel at said Webbing retractor connects power cam through gear transmission, the camming surface next-door neighbour setting of said briquetting and these power cam.
Further, the camming surface of said power cam is divided into big diametral plane and little diametric plane, and big diametral plane contacts with said briquetting, and latch cooperates with the briquetting next-door neighbour, and car sense function is closed; Said little diametric plane contacts with said briquetting, and latch separates with briquetting, and car sense function is left.
Mandrel at said Webbing retractor connects a driving tooth through a core sleeve; This driving tooth driven tooth that has been connected with a joggle; The auxilliary tooth that on this driven tooth, has an one-body molded with it and coaxial line; Should assist the interior mutually engagement of internal-round gear on tooth and the said power cam, wherein, said driving tooth and said power cam coaxial line.
Between said core sleeve one end and the mandrel through the claw clamping, between the other end and the driving tooth through prismatic socket connection.
This structure also comprises the locking lid that is connected with Webbing retractor; Said power cam are located in this locking lid, and said briquetting hinge is connected in this locking and covers, wherein; One drive surface of briquetting is close to said power cam all the time, and another driving surface cooperates with said latch; Cover at said locking and a spring to be set to be connected with said briquetting.
When assembling was used, the initial contact point of said briquetting and power cam was back of seat attachment point position, and on the said power cam with the initial contact point of briquetting promptly on the point of transition of big diametral plane on the power cam and little diametric plane, also belong to little diametric plane.Under back of seat was in stationary state, said safety strap was pulled out or during backrush to taking-up device, mandrel drives the rotation of power cam; Said briquetting will contact with the path face of power cam all the time; At this moment, latch will be in free state, and car sense function is in opening all the time;
And when back of seat is overturn by stationary state, expose ribbon with backrush in safety strap, briquetting will be crossed initial contact point, and contact with the power cam big diametral plane, make briquetting will lock latch, at this moment, latch is in stationary state, closes car sense function;
When back of seat is turned back to the fixed position, exposing ribbon will pull out from Webbing retractor, and briquetting will be got back to initial contact point, and at this moment, car sense function is opened.
Beneficial effect of the present invention: safety strap car sense function can be with the back of seat SELF CL of tumbling, and safety strap car sense function self-opening behind the seat return has been avoided making back of seat return difficulty or situation that can't return because of car sense locking; Than traditional two group snap close modes, the present invention has reduced a snap close cost, and simultaneously, the occupant needn't do the release action again before tip-up set, and the phenomenon that the follow-up seat of avoiding bringing because of maloperation can not return takes place.Generally speaking, the present invention is easy to operate, and cost is low, and the situation of maloperation can not take place.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a decomposing schematic representation of the present invention;
Fig. 3 is the schematic perspective view of Webbing retractor;
Fig. 4 is the constructional drawing of power cam among Fig. 1;
Fig. 5 is the constructional drawing of driven tooth among Fig. 1;
Fig. 6 is the scheme drawing that car sense function is opened among the present invention;
Fig. 7 is the scheme drawing that car sense function is closed among the present invention.
The specific embodiment
Come further explain the present invention below in conjunction with specific embodiment and accompanying drawing.
A kind ofly comprise Webbing retractor 10, car sense function latch 7 and the briquetting 5 that cooperates with this latch 7 to the anti-locking-type structure of turnover seat shown in Figure 7 like Fig. 1; Wherein, Mandrel 11 at said Webbing retractor 10 connects power cam 4 through gear transmission, and said briquetting 5 is provided with the camming surface next-door neighbour of these power cam 4.
Row's the convenient and safe of safety strap furled after the present invention was mainly used in car, reached tumbling and return of back of seat.Because conventional security band car sense inclination angle locking; Make that back of seat can't return or the return difficulty; Cause the turnover seat disabler, this structure can be improved this link, furls or pull out safety strap complete opening car sense function according to Webbing retractor; Furl to expose ribbon or pull out and expose ribbon and come SELF CL or open car sense function, use the upset and the return function of seat with this handled easily.
For power cam 4, see Fig. 4, Fig. 6, Fig. 7 for details, the camming surface of these power cam 4 is divided into big diametral plane 41 and path face 42, and wherein, when big diametral plane 41 contact with said briquetting 5, said latch 7 cooperate with will being close to briquetting 5, make car sense function pass; When path face 42 contacts with said briquetting 5, said latch 7 separates with briquetting 5, makes car sense function open.Arc length for the big diametral plane 41 of these power cam 4 has determined seat to expose the yield of ribbon when tumbling, and therefore, comes correspondence to adjust the arc length of this big diametral plane 41 at the actual Che Shiying of joining according to concrete vehicle.And determined to pull out or the amount of backrush safety strap for the arc length of path face 42; Requirement is to pull out or during the backrush safety strap; Briquetting 5 contacts with this path face 42 all the time, that is to say in this process, and the rotation of path face 42 can not exceed this path face 42 pairing angles.
And the gear transmission between the mandrel 11 of power cam 4 and Webbing retractor 10 is connected; In this example, the mandrel of said Webbing retractor 10 11 connects a driving tooth 2 through a core sleeve 12, this driving tooth 2 driven tooth 3 that has been connected with a joggle; The auxilliary tooth 31 that on this driven tooth 3, has an one-body molded with it and coaxial line; Should assist the interior mutually engagement of internal-round gear on tooth 31 and the said power cam 4, wherein, said driving tooth 2 and said power cam 4 coaxial lines; Definite, be the internal-round gear coaxial line in this driving tooth 2 and the power cam 4.Said driving tooth 2 is in the internal-round gear inside of power cam 4; Be meshed with the internal-round gear of driving tooth 2, power cam 4 and canine tooth on the said driven tooth 3 and auxilliary tooth 31 are corresponding respectively; And by this driven tooth 3 as the centre part of driving tooth 2 to power cam 4 transferring power; Whole project organization is compact, and it is little to take up room.
Mandrel 11 1 ends on the said Webbing retractor 10 have claw portion, between itself and the said core sleeve 12 through the claw clamping, between the other end of core sleeve 12 and the driving tooth 2 through prismatic socket connection.Connecting with modes such as claw clamping, prismatic grafting, mainly is feasiblely can be limited through the radially connection of core sleeve 12 Webbing retractor 10 rotating moment, with this transmission of torque to driving tooth 2.Said core sleeve 12 is a machined piece.
Be arranged on the Webbing retractor 10 in order to guarantee that this structure can be stablized; The present invention also comprises locking lid 1; This locking lid 1 Access Division through its edge is connected on the support of said Webbing retractor 10; Said power cam 4 rotatable being arranged in this locking lid 1; Be specially and cover 1 midway location at this locking and have a stepped hole, the mandrel 11 of said Webbing retractor 10 passes this stepped hole through core sleeve 12, and said power cam 4 are assemblied on the stepped hole in the said locking lid 1 through the coaxial positioning cylinder on it.Said briquetting 5 hinges are connected on this locking lid 1, and wherein, a drive surface of briquetting 5 is close to said power cam 4 all the time, and another driving surface cooperates with said latch 7.For make said briquetting 5 all the time with said power cam 4 next-door neighbours, on said locking lid 1, a spring (not shown) is set and is connected with said briquetting 5, the tensile force through spring is limited in said briquetting 5 on the camming surface of power cam 4 all the time.On locking lid 1, also be coated with a location and cover 6, be respectively arranged with positioning pillars on this location lid 6 with driving tooth 2, driven tooth 3 corresponding matching.
The present invention is work like this;
At first, the initial contact point of briquetting 5 and said power cam 4 that is to say the point of transition of big diametral plane 41 and path face 42 on the power cam 4 to be back of seat attachment point position.
When back of seat is in stationary state, ribbon, or perhaps safety strap is pulled out or during backrush; Power cam 4 path faces 42 contact with briquetting 5 all the time, make briquetting 5 separate with latch 7, that is to say that latch 7 is in free state; At this moment, car sense function is in opening all the time;
When back of seat is overturn by stationary state, expose ribbon with backrush in Webbing retractor 10, driving tooth 2 will rotate along with mandrel 11 rotation directions; Under the gearing of this structure, briquetting 4 will be crossed initial, set position, and contact with power cam 4 big diametral planes 41; Briquetting 5 can be under the effect of power cam 4 at this moment, radially outer side shifting, thus push down latch 7; Make latch 7 be in stationary state, at this moment, car sense function will be closed;
When back of seat is turned back to the fixed position, ribbon will be pulled out from Webbing retractor 10, and mechanism will rotate along pull-out direction; Said briquetting 5 will be got back to initial, set position; With the point of transition of power cam 4, also can be described as 42 contacts of path face, continue to open car sense function.
More than the technical scheme that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on the specific embodiment and field of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. a turnover seat is prevented the locking-type structure; Comprise Webbing retractor, car sense function latch and the briquetting that cooperates with this latch; It is characterized in that: the mandrel at said Webbing retractor connects power cam through gear transmission, and the camming surface next-door neighbour of said briquetting and these power cam is provided with.
2. turnover seat according to claim 1 is prevented the locking-type structure, it is characterized in that: the camming surface of said power cam is divided into big diametral plane and little diametric plane, and big diametral plane contacts with said briquetting, and latch cooperates with the briquetting next-door neighbour, and car sense function is closed.
3. turnover seat according to claim 2 is prevented the locking-type structure, it is characterized in that: said little diametric plane contacts with said briquetting, and latch separates with briquetting, and car sense function is left.
4. turnover seat according to claim 1 is prevented the locking-type structure; It is characterized in that: the mandrel at said Webbing retractor connects a driving tooth through a core sleeve; This driving tooth driven tooth that has been connected with a joggle has the auxilliary tooth of an one-body molded with it and coaxial line on this driven tooth, the internal-round gear on this auxilliary tooth and the said power cam mutually in engagement; Wherein, said driving tooth and said power cam coaxial line.
5. turnover seat according to claim 4 is prevented the locking-type structure, it is characterized in that: between said core sleeve one end and the mandrel through the claw clamping, between the other end and the driving tooth through prismatic socket connection.
6. turnover seat according to claim 1 is prevented the locking-type structure; It is characterized in that: also comprise locking lid; Said power cam are located in this locking lid, and said briquetting hinge is connected in this locking and covers, wherein; One drive surface of briquetting is close to said power cam all the time, and another driving surface cooperates with said latch.
7. turnover seat according to claim 6 is prevented the locking-type structure, it is characterized in that: cover at said locking and a spring is set is connected with said briquetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315501XA CN102837662A (en) | 2012-08-30 | 2012-08-30 | Overturning anti-locking type structure for seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315501XA CN102837662A (en) | 2012-08-30 | 2012-08-30 | Overturning anti-locking type structure for seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102837662A true CN102837662A (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210315501XA Pending CN102837662A (en) | 2012-08-30 | 2012-08-30 | Overturning anti-locking type structure for seat |
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| CN (1) | CN102837662A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310523A (en) * | 2017-07-05 | 2017-11-03 | 江阴市达安汽车零部件有限公司 | Safety belt oblique locking mechanism and its mounting structure |
| CN107757548A (en) * | 2017-11-15 | 2018-03-06 | 重庆乾享汽车安全装备研发有限公司 | Vehicle and its coiler |
| CN107901878A (en) * | 2017-11-15 | 2018-04-13 | 重庆乾享汽车安全装备研发有限公司 | Vehicle and its coiler |
| CN108216111A (en) * | 2017-12-20 | 2018-06-29 | 浙江赛凯车业有限公司 | A kind of seat belt retractor with adaptive oblique locking |
| CN115384445A (en) * | 2022-09-02 | 2022-11-25 | 浙江极氪智能科技有限公司 | Seat belt and vehicle |
Citations (6)
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| US20060012237A1 (en) * | 2004-07-16 | 2006-01-19 | Trw Vehicle Safety Systems Inc. | Retractor having vehicle sensitive sensor disabling mechanism |
| CN1754724A (en) * | 2004-09-14 | 2006-04-05 | 关键安全体系股份有限公司 | Seat belt retractor |
| CN101380934A (en) * | 2007-09-04 | 2009-03-11 | 高田株式会社 | Seat belt retractor and seat belt apparatus employing the same |
| JP4384456B2 (en) * | 2003-09-01 | 2009-12-16 | 株式会社東海理化電機製作所 | Webbing take-up device |
| CN102294988A (en) * | 2011-06-10 | 2011-12-28 | 广东大豪汽车零部件实业有限公司 | Automotive seat belt retractor with emergency system |
| CN202783078U (en) * | 2012-08-30 | 2013-03-13 | 重庆光大产业有限公司 | Seat turnover anti-locking structure |
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2012
- 2012-08-30 CN CN201210315501XA patent/CN102837662A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4384456B2 (en) * | 2003-09-01 | 2009-12-16 | 株式会社東海理化電機製作所 | Webbing take-up device |
| US20060012237A1 (en) * | 2004-07-16 | 2006-01-19 | Trw Vehicle Safety Systems Inc. | Retractor having vehicle sensitive sensor disabling mechanism |
| CN1754724A (en) * | 2004-09-14 | 2006-04-05 | 关键安全体系股份有限公司 | Seat belt retractor |
| CN101380934A (en) * | 2007-09-04 | 2009-03-11 | 高田株式会社 | Seat belt retractor and seat belt apparatus employing the same |
| CN102294988A (en) * | 2011-06-10 | 2011-12-28 | 广东大豪汽车零部件实业有限公司 | Automotive seat belt retractor with emergency system |
| CN202783078U (en) * | 2012-08-30 | 2013-03-13 | 重庆光大产业有限公司 | Seat turnover anti-locking structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107310523A (en) * | 2017-07-05 | 2017-11-03 | 江阴市达安汽车零部件有限公司 | Safety belt oblique locking mechanism and its mounting structure |
| CN107757548A (en) * | 2017-11-15 | 2018-03-06 | 重庆乾享汽车安全装备研发有限公司 | Vehicle and its coiler |
| CN107901878A (en) * | 2017-11-15 | 2018-04-13 | 重庆乾享汽车安全装备研发有限公司 | Vehicle and its coiler |
| CN108216111A (en) * | 2017-12-20 | 2018-06-29 | 浙江赛凯车业有限公司 | A kind of seat belt retractor with adaptive oblique locking |
| CN115384445A (en) * | 2022-09-02 | 2022-11-25 | 浙江极氪智能科技有限公司 | Seat belt and vehicle |
| CN115384445B (en) * | 2022-09-02 | 2023-11-21 | 浙江极氪智能科技有限公司 | Seat belt and vehicle |
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Application publication date: 20121226 |