CN202753826U

CN202753826U - Car back seat assembly

Info

Publication number: CN202753826U
Application number: CN 201220425353
Authority: CN
Inventors: 黄道祝
Original assignee: Zhejiang Jujin Automobile & Motor-Cycle Accessores Co Ltd
Current assignee: Zhejiang Jujin Automobile & Motor-Cycle Accessores Co Ltd
Priority date: 2012-08-25
Filing date: 2012-08-25
Publication date: 2013-02-27
Anticipated expiration: 2022-08-25

Abstract

The utility model provides a car back seat assembly and belongs to the technical field of vehicles. The car back seat assembly solves the technical problems existing in a prior car back seat assembly like that people are scratched easily due to the fact that a hook piece stretches out of a seat when the seat is erected, and space usage is big. The car back seat assembly comprises a seat board, a back in hinged connection with the seat board, and lock catches fixed on a floor of a car, wherein two connection supports are fixed at the front end of the lower portion of the seat board, and lower ends of the connection supports are in hinged connection with the floor of the car through hinged connection structures. Two bilaterally symmetrical ground locks are in hinged connection with the back end of the lower portion of the seat board, wherein the two ground locks can be respectively locked in the two lock catches, a retracting structure is arranged between each ground lock and each connection support which are at the same side, and the retracting structure enables each ground lock to sway towards a corresponding connection support along a hinging point with the seat board when each ground lock is separated from a corresponding lock catch and the seat board is overturned upwards. The car back seat assembly has the advantage that the seat is compact in structure after being folded, and therefore space occupied by an erected seat board is reduced.

Description

A kind of automobile rear seat assembly

Technical field

The utility model belongs to the vehicle technology field, relates to a kind of automobile rear seat, particularly a kind of automobile rear seat assembly.

Background technology

The practicality of automobile and high efficiency are so that automobile becomes irreplaceable instrument in the modern life, and in order to satisfy different crowd to the different demands of automobile, people have developed the automobile of various difference in functionalitys to satisfy the demand of different crowd.

Automobile mainly contains two kinds of functions: manned and loading, in order better to utilize the inner space of automobile, given play to whole potential of automobile, people developed can be manned again can loading the business type automobile.This kind automobile generally has three row seats and interior spaces large, people by to the repacking of back seat so that back seat is normally placed when manned, when loading, can fold up, so that interior space increases.

Present automobile rear folding seat is not compact when folding packing up, and has still taken very large space, and the folding process complex operation, requires great effort time-consuming extremely inconvenient; For example Chinese patent literature is disclosed has the folding of means for vertical storage and kneels and put formula seat-assembly [CN101925486A], the seat-assembly that comprises the chair back and seat cushion, has linked system, make seat-assembly at seating position on one side, mobile between stowed position and the stand up position, linked system comprises bearing connecting rod and drive link, drive link in response to the chair back from the erection position to the pivot of folding position and lifting and promote cushion between position and the lowering position, drive link also responds the backward end pivot with bearing connecting rod, thereby the chair back is maintained basic vertically orientation, and bearing connecting rod makes cushion lift the position and substantially pivot between the vertical position around the pivot of forward end.The chair back of this patent can fold on the seat cushion, and seat cushion can erect and erect, but cushion fix by the combination of bolt lock structure and lance, constant intensity is low, easily occurs the situation that bolt lock structure and lance break away from when vehicle jolts; Bolt lock structure stretches out outside the cushion when seat cushion is erect, easily scratch personnel and take interior space.Also such as the disclosed a kind of automotive seat fast folding of Chinese patent literature and handstand device [CN2488752Y], comprise on the chair back and seat with swing mechanism, mainly be comprised of a pair of chair back releasing mechanism that is installed in respectively cushion frame and chassis and a pair of seat handstand detent mechanism, wherein chair back releasing mechanism is comprised of a drawing belt, a link framework, a bolt of rear end plate; This seat handstand detent mechanism is installed on the appropriate location, chassis and forms by the four-bar linkage installing of a sheet of upper stationary links sheet, a sheet of lower stationary links sheet, a sheet of the first movable plate, a sheet of the second movable plate and cushion frame and by linking sheet.The seat of this patent is held in fixing seat on the door bolt axle by hook sheet hook, still exists constant intensity low, the hook sheet easily occurs and break away from the risk of fastening axle with a bolt or latch when vehicle jolts; The hook sheet stretches out at seat outsidely when seat is erect, and easily scrapes and hurts sb.'s feelings and take up room, and need to apply larger power seat could be erect operation inconvenience when erectting seat.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of automobile rear seat assembly, and this back seat assembly has folding convenient, little characteristics take up room after folding.

The purpose of this utility model can realize by following technical proposal: a kind of automobile rear seat assembly, comprise seat board, be hinged on backrest and the snap close that is fixed on the automotive floor panel on the seat board, it is characterized in that, vertically be fixed with left adapter plate and right adapter plate on the described seat board rear portion, described backrest is arranged between left adapter plate and the right adapter plate, and described backrest is hinged on left adapter plate and the right adapter plate by an adapter shaft, be provided with left angle regulator between described backrest and the left adapter plate, be provided with right angle regulator between described backrest and the right adapter plate, symmetrical two connection brackets about the front end place of described seat board bottom is fixed with respectively, the lower end of described connection bracket all is hinged on the described automotive floor panel by articulated structure, described snap close is two, and two snap closes are symmetrical set, the rear end of described seat board bottom is hinged with respectively and can be locked in symmetrically and respectively two ground locks in the snap close about two, lock describedly and the connection bracket of its same side between when being equipped with local lock and separating with snap close and seat board can lock when upwards overturning with making along and seat board between hinge-point towards the collapsed configuration of connection bracket swing.

Be in normally can take state the time at seat, backrest stand on the seat board, and seat board is fixed on the automotive floor panel by the supports parallel of connection bracket and ground lock; Needs with the seat folded turnover when increasing interior space, first backrest is turn to level, again release is locked on ground, so that the ground lock separates with snap close, seat board is turned to vertical position along the hinge-point of connection bracket and automotive floor panel, in rotation process, lock collapsed configuration by correspondence from swinging to and the approximately parallel position of seat board with seat board near normal state, so that seat compact conformation when folded state reduces taking interior space; Seat is being reduced to when normally taking state from folded state, first seat board is turned to horizontality along the hinge-point of connection bracket and automotive floor panel, the ground lock is rocked to and seat board near normal state by the collapsed configuration of correspondence, at this moment lock can just with the snap close locking, after seat board is fixed on automotive floor panel again with backrest along its with the rotation of the hinge-point of seat board so that backrest stand on the seat board.

In the automobile rear seat assembly of the above, described collapsed configuration comprises shifting bar, described shifting bar one end is locked with being hinged on, offer the through hole that is bar shaped along its length direction on the described shifting bar other end, be equipped with dowel bolt in the described through hole, the double-screw bolt of described dowel bolt is fixed on the connection bracket, and the external diameter of the head of described dowel bolt is greater than the aperture of described through hole.The place, front portion that lock with being positioned at the seat board lower end also is fixed with position-limited lever, position-limited lever is two, when ground lock and snap close locking, dowel bolt is resisted against the end that shifting bar is closely locked, the place, front portion of ground lock and position-limited lever against, when seat board is in vertical state, dowel bolt is resisted against the end that shifting bar is remotely locked, in the seat board rotation process, shifting bar plays guiding function, so that the ground lock slowly swings to the approximate position parallel with seat board, lock rotates suddenly the people is caused injury with preventing, and when seat board was reduced to horizontality from vertical state, the ground lock swung to the be position vertical with seat board from the approximate position parallel with seat board, the place, front portion of local lock and position-limited lever against the time, the position of ground lock can just with the snap close locking.

As another situation, in the automobile rear seat assembly of the above, described collapsed configuration is cylindrical spring, and an end of described cylindrical spring is locked with being fixed on, the other end of described cylindrical spring is fixed on the connection bracket, and described cylindrical spring one is in extended state.Shrink the ground lock from swinging to and the approximately parallel position of seat board with seat board near normal state at the time cylindrical spring of ground lock with the fore shaft release.

In the automobile rear seat assembly of the above, described articulated structure comprises jointed shaft one and fixed support, described fixed support lower end is fixed on the automotive floor panel, above-mentioned connection bracket is hinged on the fixed support by described jointed shaft one, be provided with torsion spring between described jointed shaft one and the connection bracket, described torsion spring set is located on the jointed shaft one, and an end of torsion spring acts on the jointed shaft one, the other end of torsion spring acts on the connection bracket, and described torsion spring is in compressive state.One end of jointed shaft one offers draw-in groove, one end of torsion spring is fixed in the draw-in groove, the salient that has protrusion on the fixed support, the other end of torsion spring is resisted against on the salient, when ground lock and snap close locking, torsion spring is compressed, twisting resistance is maximum, when ground lock and snap close release, by twisting resistance drive fixed support eye jointed shaft one rotation of torsion spring, seat board also rotates thereupon, so that the ground lock breaks away from snap close, when erectting seat board, reduce simultaneously the application force that lifts seat board, when putting down seat board, slow down the swing speed of seat board, reduce the impact that seat board is subject to, increase practical life.

In the automobile rear seat assembly of the above, lock describedly and comprise housing, lock hook piece and backguy, described lock hook piece is hinged in the described housing by a jointed shaft two, one end of described lock hook piece has the hook part that can stretch out described housing, described hook part can form an airtight lock hole with described housing, the other end of described lock hook piece and described backguy link, it is the operating side that the other end of described backguy passes described housing, is provided with between described lock hook piece and the backguy to drive the lock hook piece makes formation gap between described hook part and the described housing along jointed shaft two rotations drive mechanism by backguy.Be in normally can take state the time at seat, the ground lock is in lockup state, this moment latch engagement in lock hole, seat board just is fixed on the automotive floor panel; Needs with the seat folded turnover when increasing interior space, the operating side of pulling backguy makes the lock hook piece turn an angle along jointed shaft two by drive mechanism, so that the lock hole that hook portion and housing form is opened, drive seat board by torsion spring and rotate lifting ground lock, the snap close hole that just can go out of lock, ground lock unclamps backguy after breaking away from snap close, and the hook part of lock hook piece is from new and housing closure, again seat board is turned to vertical position along the hinge-point of connection bracket and automotive floor panel; Seat is being reduced to when normally taking state from folded state, first seat board is turned to level attitude along the hinge-point of connection bracket and automotive floor panel, this moment snap close and lock hook section the outside against, spur backguy again so that ground lock release, press seat board just can so that snap close from newly being in the lock hole, unclamp backguy, the hook part of lock hook piece and housing are closed, and snap close is realized locking with the ground lock.

In the automobile rear seat assembly of the above, described drive mechanism comprises latch release shaft, separate lock dog and conciliate locking plate, described latch release shaft is circumferentially rotated and is axially fixed in the housing, one end of described solution lock dog is set on the latch release shaft, the other end of described solution lock dog can be meshed with above-mentioned lock hook piece, one end of described solution locking plate circumferentially is fixed on the latch release shaft and is close to and separates on the lock dog, the lug boss that has projection on the described solution lock dog, described solution locking plate middle part offers connecting bore, described lug boss passes described connecting bore, the length of described connecting bore and the external diameter of described lug boss are roughly the same, described latch release shaft can drive the latch release shaft rotation and the solution lock dog is linked to each other with the Transmission that the lock hook piece is separated by above-mentioned backguy with one, also is provided with between the other end of described solution locking plate and the lock hook piece when separating and can drives the drive configuration that the lock hook piece rotates when lock dog and lock hook piece are separated.Separating lock dog passes connecting bore and separates the locking plate synchronous rotating moving by lug boss, be in normally can take state the time at seat, the ground lock is in lockup state, be meshed with the lock hook piece by separating lock dog, the position that guarantees the lock hook piece is motionless, the sealing that keeps lock hole guarantees that seat board can firmly be fixed on the body platform; Needs with the seat folded turnover when increasing interior space, by the pulling backguy so that Transmission drives latch release shaft rotates, separate lock dog also along with rotation, so that separate lock dog and the disengaging of lock hook piece, separate simultaneously locking plate also along with latch release shaft is rotated, turning effort is sent on the lock hook piece lock hook piece rotating opening lock hole undetermined by drive configuration, ground lock is in released state, just can make the vehicle body lock hook hole that goes out of lock.

In the automobile rear seat assembly of the above, described drive configuration comprises the salient that protrudes with respect to the lock hook block body, lock hook sheet and spring, described lock hook sheet is close on the described lock hook piece, described lock hook sheet one end is set on the above-mentioned jointed shaft two, described spring one end acts on the other end of lock hook sheet, the described spring other end acts on the above-mentioned solution locking plate, described lock hook sheet middle part offers mounting hole, described salient passes described mounting hole, described mounting hole is strip, and the length of described mounting hole is greater than the external diameter of described salient.Be meshed with the lock hook piece owing to separating lock dog, when rotating, need to separate first lock dog and move out ability rotation lock hook piece, therefore the mounting hole setting is strip, so that the motion delay of lock hook piece is in separating lock dog; When the ground lock is in lockup state, when lock hole was in closed state, spring was in tight state, and this moment, salient was positioned at the mounting hole of strip near an end of separating locking plate, separating lock dog is meshed with the lock hook piece, after the pulling backguy, latch release shaft is rotated to drive and is separated the locking plate rotation, and spring drives the lock hook sheet and rotates towards separating the locking plate direction, after the lock hook sheet turns an angle salient and mounting hole away from an end of separating locking plate against, the lock hook sheet drives the lock hook piece and rotates, so that lock hole is opened, the ground lock is in released state; When automotive seat are put down, this moment, lock hole was in open mode, when the generation of vehicle body lock hook and lock hook piece is pushed, so that the lock hook piece rotates, rotate when salient and the mounting hole that is positioned at strip drive the lock hook sheet during near an end of separating locking plate, the lock hook sheet drives the release sheet by spring and rotates, thereby so that separate lock dog and again mesh with the lock hook piece, lock hole is in closed state and the vehicle body lock hook is in the lock hole, and the ground lock forwards lockup state to from released state.

In the automobile rear seat assembly of the above, described Transmission is the backguy connecting strap, and described backguy connecting strap one end circumferentially is fixed on the above-mentioned latch release shaft, and the described backguy connecting strap other end is connected mutually with above-mentioned backguy.

In the automobile rear seat assembly of the above, described backguy comprises outer spool and is arranged on the interior wire of outer spool, described wire two ends all pass described outer spool, and described wire one end is connected mutually with the backguy connecting strap, and the described wire other end is the operating side; One end of described outer spool is fixed on the housing, described backrest lower hinge has a control lever, the operating side of described wire all is fixed on the control lever, the other end of described outer spool is fixed on the backrest, and place, described control lever end is fixed with the operating rope that control lever is swung along hinge-point.Backguy has two, control respectively two ground locks, the operating rope of two backguys is separately fixed on the control lever, and control lever is fixed with a pull back spring away from a side of operating rope fixed end, and the other end of pull back spring is fixed on the backrest, the axis of pull back spring and control lever near normal, when needs release ground lock, the moving control lever of pull operation rope band rotates along hinge-point, thereby the pull operation rope is so that ground lock release, unclamp operation rope after the release, pull back spring drives the control lever return.

Compared with prior art, this automobile rear seat assembly has the following advantages:

1, by offers the through hole of bar shaped at shifting bar, the ground lock swings so that the ground lock is retracted to and the approximately perpendicular position of seat board so that shifting bar can drive when seat board is erect, so that the folding rear compact conformation of seat has reduced taking interior space when seat board is erect.

2, seat is fixed on the body platform with the snap close locking by the ground lock, constant intensity is large and only need the pull operation end with regard to energy when the needs folding seat so that the ground lock separates convenient for unlocking with snap close.

3, discharge twisting resistance by torsion spring and can reduce the required application force that lifts seat board when erectting seat board, when putting down seat board, slow down the swing speed of seat board, reduce the impact that seat board is subject to, increase practical life.

Description of drawings

Fig. 1 is perspective view of the present utility model.

Fig. 2 is the structural representation of facing of the present utility model.

Fig. 3 is side-looking structural representation of the present utility model.

Fig. 4 is the side-looking structural representation behind the folding backrest of the present utility model.

Fig. 5 is the side-looking structural representation after backrest of the present utility model and seat board all fold.

Fig. 6 locks the structural representation that is in lockup state of the present utility modelly.

Fig. 7 locks the structural representation that is in released state of the present utility modelly.

Fig. 8 is the inner structure schematic diagram of locking when being in lockup state of the present utility modelly.

Fig. 9 is the inner structure schematic diagram of locking when being in released state of the present utility modelly.

Among the figure, 111, lock; 121, housing; 122, outer panel; 123, interior plate; 132, fixed orifice; 141, locating dowel pin; 211, lock hook piece; 212, hook part; 212a, lock hole; 213, salient; 221, backguy; 222, outer spool; 223, wire; 224, control lever; 231, jointed shaft two; 311, latch release shaft; 321, separate lock dog; 322, lug boss; 331, separate locking plate; 341, backguy connecting strap; 411, lock hook sheet; 412, mounting hole; 421, spring; 511, seat board; 521, backrest; 522, left adapter plate; 523, right adapter plate; 524, adapter shaft; 531, snap close; 611, connection bracket; 621, fixed support; 631, jointed shaft one; 651, torsion spring; 711, shifting bar; 721, through hole; 731, dowel bolt; 732, position-limited lever.

The specific embodiment

Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

Embodiment one

Extremely shown in Figure 9 such as Fig. 1, a kind of automobile rear seat assembly, comprise seat board 511, backrest 521, snap close 531, connection bracket 611, ground lock 111 and collapsed configuration, such as Fig. 1, Fig. 2, shown in Figure 3, backrest 521 is hinged on the seat board 511, snap close 531 is two, symmetrical being fixed on the automotive floor panel, connection bracket 611 has two, the symmetrical front end place that is fixed on seat board 511 bottoms respectively, the lower end of connection bracket 611 all is hinged on the automotive floor panel by articulated structure, ground lock 111 has two and can be locked in respectively in two snap closes 531, the rear end that is hinged on seat board 511 bottoms that snap close about 531 is symmetrical, collapsed configuration lock with being located at 111 and the connection bracket 611 of its same side between, and can make lock expediently 111 and snap close 531 when separating and seat board 511 can lock when upwards overturning with making 111 along and seat board 511 between hinge-point swing towards connection bracket 611.

Such as Fig. 3, Fig. 4, shown in Figure 5, collapsed configuration comprises shifting bar 711, shifting bar 711 1 ends are locked on 111 with being hinged on, offer the through hole 721 that is bar shaped along its length direction on shifting bar 711 other ends, be equipped with dowel bolt 731 in the through hole 721, the double-screw bolt of dowel bolt 731 is fixed on the connection bracket 611, and the external diameter of the head of dowel bolt 731 is greater than the aperture of through hole 721.Seat board 511 lower ends are locked place, 111 front portion with being positioned at and also are fixed with position-limited lever 732, position-limited lever 732 is two, when ground lock 111 and snap close 531 locking, dowel bolt 731 is resisted against shifting bar 711 and closely locks an end of 111, the place, front portion of ground lock 111 and position-limited lever 732 against, when seat board 511 is in vertical state, dowel bolt 731 is resisted against shifting bar 711 and remotely locks an end of 111, in seat board 511 rotation processes, shifting bar 711 plays guiding function, so that ground lock 111 slowly swings to the parallel position of approximate and seat board 511.

Such as Fig. 3 Fig. 4, shown in Figure 5, articulated structure comprises jointed shaft 1 and fixed support 621, fixed support 621 lower ends are fixed on the automotive floor panel, connection bracket 611 is hinged on the fixed support 621 by described jointed shaft 1, be provided with torsion spring 651 between jointed shaft 1 and the connection bracket 611, torsion spring 651 is set on the jointed shaft 1, and an end of torsion spring 651 acts on the jointed shaft 1, the other end of torsion spring 651 acts on the connection bracket 611, and torsion spring 651 is in compressive state.One end of jointed shaft 1 offers draw-in groove, one end of torsion spring 651 is fixed in the draw-in groove, the salient 213 that has protrusion on the fixed support 621, the other end of torsion spring 651 are resisted against on the salient 213, when ground lock 111 and snap close 531 locking, torsion spring 651 is compressed, twisting resistance is maximum, when ground lock 111 and snap close 531 release, by 621 jointed shafts of twisting resistance drive fixed support, one 631 rotations of torsion spring 651, seat board 511 also rotates thereupon, so that ground lock 111 breaks away from snap close 531.

As shown in Figure 1 and Figure 2, vertically be fixed with left adapter plate 522 and right adapter plate 523 on seat board 511 rear portions, backrest 521 is arranged between left adapter plate 522 and the right adapter plate 523, and backrest 521 is hinged on left adapter plate 522 and the right adapter plate 523 by an adapter shaft 524, be provided with left angle regulator between backrest 521 and the left adapter plate 522, be provided with right angle regulator between backrest 521 and the right adapter plate 523.Can regulate and locate angle between backrest 521 and the seat board 511 by left angle regulator and right angle regulator, left angle regulator and right angle regulator all are the existing products that can buy on the market, and its concrete structure is not just done concrete introduction in this article.

Such as Fig. 6, shown in Figure 7, ground lock 111 comprises housing 121, lock hook piece 211 and backguy 221, housing 121 comprises outer panel 122 and interior plate 123, outer panel 122 and interior plate 123 mutually against and be fixed together, offer the fixed orifice 132 that runs through outer panel 122 and interior plate 123 on the housing 121, also be fixed with locating dowel pin 141 on the housing 121, locating dowel pin 141 two ends all pass outer panel 122 and interior plate 123; Such as Fig. 8, shown in Figure 9, lock hook piece 211 is hinged in the housing 121 by a jointed shaft 2 231, and an end of lock hook piece 211 has the hook part 212 that can stretch out housing 121, and hook part 212 can form an airtight lock hole 212a with housing 121; The other end of lock hook piece 211 and backguy 221 link, the other end of backguy 221 passes housing 121 and is the operating side, backguy 221 comprises outer spool 222 and the wire 223 that is arranged in the outer spool 222, wire 223 two ends all pass described outer spool 222, wire 223 1 ends are connected mutually with backguy connecting strap 341, and wire 223 other ends are the operating side; One end of outer spool 222 is fixed on the housing 121, be hinged with a control lever 224 on the backrest 521, the operating side of wire 223 all is fixed on the control lever 224, the other end of outer spool 222 is fixed on the backrest 521, and place, control lever 224 ends is fixed with the operating rope that control lever 224 is swung along hinge-point.Backguy 221 has two, control respectively two ground locks 111, the operating rope of two backguys 221 is separately fixed on the control lever 224, control lever 224 is fixed with a pull back spring 421 away from a side of operating rope fixed end, the other end of pull back spring 421 is fixed on the backrest 521, the axis of pull back spring 421 and control lever 224 near normal, locked 111 o'clock on needs release ground, the moving control lever 224 of pull operation rope band rotates along hinge-point, thereby the pull operation rope is so that ground lock 111 releases, unclamp operation rope after the release, pull back spring 421 drives control lever 224 returns; Such as Fig. 8, shown in Figure 9, be provided with between lock hook piece 211 and the backguy 221 and can drive lock hook piece 211 makes formation gap between described hook part 212 and the housing 121 along jointed shaft 2 231 rotations drive mechanism by backguy 221.Drive mechanism comprises latch release shaft 311, separate lock dog 321 and conciliate locking plate 331, latch release shaft 311 circumferentially rotates and is axially fixed in the housing 121, an end of separating lock dog 321 is set on the latch release shaft 311, the other end of separating lock dog 321 can be meshed with lock hook piece 211, an end of separating locking plate 331 circumferentially is fixed on the latch release shaft 311 and is close to be separated on the lock dog 321, separate the lug boss 322 that has projection on the lock dog 321, separate locking plate 331 middle parts and offer connecting bore, lug boss 322 passes connecting bore, the external diameter of the length of connecting bore and lug boss 322 is roughly the same, and solution lock dog 321 passes connecting bore by lug boss 322 and rotates synchronously with solution locking plate 331; Latch release shaft 311 can drive latch release shaft 311 rotations and solution lock dog 321 is linked to each other with the Transmission that lock hook piece 211 is separated by above-mentioned backguy 221 with one, Transmission is backguy connecting strap 341, backguy connecting strap 341 1 ends circumferentially are fixed on the latch release shaft 311, backguy connecting strap 341 other ends are connected mutually with backguy 221, also are provided with between the other end of solution locking plate 331 and the lock hook piece 211 when separating and can drive the drive configuration that lock hook piece 211 rotates when lock dog 321 is separated with lock hook piece 211.Drive configuration comprises salient 213, lock hook sheet 411 and the spring 421 that protrudes with respect to lock hook piece 211 bodies, lock hook sheet 411 is close on the lock hook piece 211, lock hook sheet 411 1 ends are set on the jointed shaft 2 231, spring 421 1 ends act on the other end of lock hook sheet 411, spring 421 other ends act on the above-mentioned solution locking plate 331, lock hook sheet 411 middle parts offer mounting hole 412, salient 213 passes mounting hole 412, mounting hole 412 is strip, and the length of mounting hole 412 is greater than the external diameter of described salient 213.Because solution lock dog 321 is meshed with lock hook piece 211, when rotating, need will separate first lock dog 321 and move out ability rotation lock hook piece 211, therefore mounting hole 412 settings are strip, so that the motion delay of lock hook piece 211 is in separating lock dog 321.Be in normally can take state the time at seat, ground lock 111 is in lockup state, this moment, snap close 531 was engaged in the lock hole 212a, be meshed with lock hook piece 211 by separating lock dog 321, the position that guarantees lock hook piece 211 is motionless, the sealing that keeps lock hole 212a, spring 421 is in tight state simultaneously, salient 213 is positioned at the mounting hole 412 of strip near an end of separating locking plate 331, separating lock dog 321 is meshed with lock hook piece 211, seat board 511 just is fixed on the automotive floor panel, needs with the seat folded turnover when increasing interior space, by pulling backguy 221 so that backguy connecting strap 341 drives latch release shaft 311 rotates, separate lock dog 321 also along with rotation, break away from lock hook piece 211 so that separate lock dog 321, separate simultaneously locking plate 331 also along with latch release shaft 311 is rotated, spring 421 drives lock hook sheet 411 and rotates towards separating locking plate 331 directions, after lock hook sheet 411 turns an angle salient 213 and mounting hole 412 away from an end of separating locking plate 331 against, lock hook sheet 411 drives lock hook piece 211 and rotates, so that lock hole 212a opens, ground lock 111 is in released state, drive seat board 511 by torsion spring 651 and rotate lifting ground lock 111, the snap close 531 hole 212a that just can go out of lock, ground lock 111 unclamps backguy 221 after breaking away from snap close 531, the hook part 212 of lock hook piece 211 is from new and housing 121 closures, again seat board 511 turned to vertical position along the hinge-point of connection bracket 611 and automotive floor panel; Seat is being reduced to when normally taking state from folded state, first seat board 511 is turned to level attitude along the hinge-point of connection bracket 611 and automotive floor panel, this moment snap close 531 with the outside of lock hook section 212 against, spur again backguy 221 so that ground lock 111 releases, press seat board 511 just can so that snap close 531 from newly being in the lock hole 212a, unclamp backguy 221, hook part 212 and housing 121 closures of lock hook piece 211, snap close 531 is realized locking with ground lock 111.

Be in normally can take state the time at seat, backrest 521 stand on the seat board 511, and seat board 511 is fixed on the automotive floor panel by the supports parallel of connection bracket 611 and ground lock 111; Needs with the seat folded turnover when increasing interior space, first backrest 521 is turn to level by left angle regulator and right angle regulator, 111 releases are locked with ground in the operating side of pull operation rope again, so that ground lock 111 separates with snap close 531, seat board 511 is turned to vertical position along the hinge-point of connection bracket 611 and automotive floor panel, in rotation process, lock 111 shifting bars 711 by correspondence from swinging to and seat board 511 approximately parallel positions with seat board 511 near normal states, so that seat compact conformation when folded state reduces taking interior space; Seat is being reduced to when normally taking state from folded state, first seat board 511 is turned to horizontality along the hinge-point of connection bracket 611 and automotive floor panel, ground lock 111 shifting bars 711 by correspondence are rocked to and seat board 511 near normal states, at this moment lock 111 and position-limited lever 732 against can just with snap close 531 lockings, after seat board 511 is fixed on automotive floor panel again with backrest 521 along its with the rotation of the hinge-point of seat board 511 so that backrest 521 stand on the seat board 511.

Embodiment two

The present embodiment is basic identical with structure and the principle of embodiment one, different place is: collapsed configuration is cylindrical spring 421, one end of cylindrical spring 421 is locked on 111 with being fixed on, the other end of cylindrical spring 421 is fixed on the connection bracket 611, and cylindrical spring 421 1 is in extended state.Shrink ground lock 111 from swinging to and seat board 511 approximately parallel positions with seat board 511 near normal states at the time cylindrical spring 421 of ground lock 111 with the fore shaft release.

Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has more used, ground lock 111; Housing 121; Outer panel 122; Interior plate 123; Fixed orifice 132; Locating dowel pin 141; Lock hook piece 211; Hook part 212; Lock hole 212a; Salient 213; Backguy 221; Outer spool 222; Wire 223; Control lever 224; Jointed shaft 2 231; Latch release shaft 311; Separate lock dog 321; Lug boss 322; Separate locking plate 331; Backguy connecting strap 341; Lock hook sheet 411; Mounting hole 412; Spring 421; Seat board 511; Backrest 521; Left adapter plate 522; Right adapter plate 523; Adapter shaft 524; Snap close 531; Connection bracket 611; Fixed support 621; Jointed shaft 1; Torsion spring 651; Shifting bar 711; Through hole 721; Dowel bolt 731; Position-limited lever 732 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. automobile rear seat assembly, comprise seat board (511), be hinged on the backrest (521) on the seat board (511) and be fixed on snap close (531) on the automotive floor panel, it is characterized in that, vertically be fixed with left adapter plate (522) and right adapter plate (523) on described seat board (511) rear portion, described backrest (521) is arranged between left adapter plate (522) and the right adapter plate (523), and described backrest (521) is hinged on left adapter plate (522) and the right adapter plate (523) by an adapter shaft (524), be provided with left angle regulator between described backrest (521) and the left adapter plate (522), be provided with right angle regulator between described backrest (521) and the right adapter plate (523), symmetrical two connection brackets (611) about the front end place of described seat board (511) bottom is fixed with respectively, the lower end of described connection bracket (611) all is hinged on the described automotive floor panel by articulated structure, described snap close (531) is two, and two snap closes (531) are symmetrical set, the rear end of described seat board (511) bottom is hinged with respectively the ground lock (111) that can be locked in symmetrically and respectively about two in two snap closes (531), lock describedly be equipped with local lock (111) and snap close (531) between the connection bracket (611) of (111) and its same side when separating and seat board (511) can lock when upwards overturning with making (111) along and seat board (511) between hinge-point towards the collapsed configuration of connection bracket (611) swing.

2. automobile rear seat assembly according to claim 1, it is characterized in that, described collapsed configuration comprises shifting bar (711), described shifting bar (711) one ends are locked on (111) with being hinged on, offer the through hole (721) that is bar shaped along its length direction on described shifting bar (711) other end, be equipped with dowel bolt (731) in the described through hole (721), the double-screw bolt of described dowel bolt (731) is fixed on the connection bracket (611), and the external diameter of the head of described dowel bolt (731) is greater than the aperture of described through hole (721).

3. automobile rear seat assembly according to claim 1, it is characterized in that, described collapsed configuration is cylindrical spring (421), one end of described cylindrical spring (421) is locked on (111) with being fixed on, the other end of described cylindrical spring (421) is fixed on the connection bracket (611), and described cylindrical spring (421) is in extended state.

4. according to claim 1 and 2 or 3 described automobile rear seat assemblies, it is characterized in that, described articulated structure comprises jointed shaft one (631) and fixed support (621), described fixed support (621) lower end is fixed on the automotive floor panel, above-mentioned connection bracket (611) is hinged on the fixed support (621) by described jointed shaft one (631), be provided with torsion spring (651) between described jointed shaft one (631) and the connection bracket (611), described torsion spring (651) is set on the jointed shaft one (631), one end of torsion spring (651) acts on the jointed shaft one (631), the other end of torsion spring (651) acts on the connection bracket (611), and described torsion spring (651) is in compressive state.

5. automobile rear seat assembly according to claim 1, it is characterized in that, lock (111) describedly and comprise housing (121), lock hook piece (211) and backguy (221), described lock hook piece (211) is hinged in the described housing (121) by a jointed shaft two (231), one end of described lock hook piece (211) has the hook part (212) that can stretch out described housing (121), described hook part (212) can form an airtight lock hole (212a) with described housing (121), the other end of described lock hook piece (211) and described backguy (221) link, the other end of described backguy (221) passes described housing (121) and is the operating side, is provided with between described lock hook piece (211) and the backguy (221) to drive lock hook piece (211) makes formation gap between described hook part (212) and the described housing (121) along jointed shaft two (231) rotations drive mechanism by backguy (221).

6. automobile rear seat assembly according to claim 5, it is characterized in that, described drive mechanism comprises latch release shaft (311), separate lock dog (321) and conciliate locking plate (331), described latch release shaft (311) is circumferentially rotated and is axially fixed in the housing (121), one end of described solution lock dog (321) is set on the latch release shaft (311), the other end of described solution lock dog (321) can be meshed with above-mentioned lock hook piece (211), one end of described solution locking plate (331) circumferentially is fixed on latch release shaft (311) upward and is close to and separates on the lock dog (321), the lug boss (322) that has projection on the described solution lock dog (321), described solution locking plate (331) middle part offers connecting bore, described lug boss (322) passes described connecting bore, the external diameter of the length of described connecting bore and described lug boss (322) is roughly the same, described latch release shaft (311) and one can drive latch release shaft (311) by above-mentioned backguy (221) and rotate and make and separate lock dog (321) and link to each other with the Transmission that lock hook piece (211) is separated, and also is provided with the drive configuration that can drive lock hook piece (211) rotation when solution lock dog (321) and lock hook piece (211) when being separated between the other end of described solution locking plate (331) and the lock hook piece (211).

7. automobile rear seat assembly according to claim 6, it is characterized in that, described drive configuration comprises the salient (213) that protrudes with respect to lock hook piece (211) body, lock hook sheet (411) and spring (421), described lock hook sheet (411) is close on the described lock hook piece (211), described lock hook sheet (411) one ends are set on the above-mentioned jointed shaft two (231), described spring (421) one ends act on the other end of lock hook sheet (411), described spring (421) other end acts on the above-mentioned solution locking plate (331), described lock hook sheet (411) middle part offers mounting hole (412), described salient (213) passes described mounting hole (412), described mounting hole (412) is strip, and the length of described mounting hole (412) is greater than the external diameter of described salient (213).

8. according to claim 6 or 7 described automobile rear seat assemblies, it is characterized in that, described Transmission is backguy connecting strap (341), described backguy connecting strap (341) one ends circumferentially are fixed on the above-mentioned latch release shaft (311), and described backguy connecting strap (341) other end is connected mutually with above-mentioned backguy (221).

9. according to claim 5 or 6 or 7 described automobile rear seat assemblies, it is characterized in that, described backguy (221) comprises outer spool (222) and is arranged on the interior wire (223) of outer spool (222), described wire (223) two ends all pass described outer spool (222), described wire (223) one ends are connected mutually with backguy connecting strap (341), and described wire (223) other end is the operating side; One end of described outer spool (222) is fixed on the housing (121), described backrest (521) lower hinge has a control lever (224), the operating side of described wire (223) all is fixed on the control lever (224), the other end of described outer spool (222) is fixed on the backrest (521), and place, described control lever (224) end is fixed with the operating rope that control lever (224) is swung along hinge-point.