Background technology
Current, operated by rotary motion has the automotive seat of installing on its under-carriage on the automobile.In order to improve the traveling comfort of automotive seat, current, automotive seat generally comprise seat body and sliding track mechanism, and seat body is installed on the under-carriage by sliding track mechanism; Sliding track mechanism generally includes glidepath of fixing with under-carriage and the last slide rail of fixing with seat body; Keep bearing fit between last slide rail and the glidepath; Like this, by sliding track mechanism, seat body can move certain distance at fore-and-aft direction or other directions with respect to under-carriage, to adapt to different needs.For after adjustment is finished, seat body and under-carriage are maintained fixed, sliding track mechanism also is provided with lock assembly, with last slide rail and the glidepath locking with sliding track mechanism.
Please refer to Fig. 1, this figure is the disclosed lock assembly structural representation of Chinese patent literature CN2874096Y.This lock assembly is used for locking fixed parts and movable part, and lock assembly comprises lock pin 1, retracing spring 2, lock pin guide 3, permanent seat 4, S. A. 5 and shifting part 6.Permanent seat 4 is installed on the movable part, and lock pin guide 3 is installed on the permanent seat 4, and lock pin 1 is installed on the lock pin guide 3 slidably; Retracing spring 2 is installed between lock pin 1 and the permanent seat 4, and lock pin 1 can move to fixed parts under the effect of retracing spring 2, is matched with the respective notches of fixed parts in its lower end; Shifting part 6 installs and fixes on the seat 4 by S. A. 5, matches with lock pin 1 in the inboard of shifting part 6, and with when rotating shifting part 6, shifting part 6 can drive lock pin 1 up-and-down movement.
When needs were regulated position between fixed parts and the movable part, rotation shifting part 6 moved up lock pin 1, and separate with the recess of fixed parts the lower end of lock pin 1, keeps released state; At this moment, movable part can move on predetermined direction with respect to fixed parts.After adjusting is finished, discharge shifting part 6, lock pin 1 moves down under retracing spring 2 effects, and lock pin 1 lower end cooperates with the recess of fixed parts, makes fixed parts and moving-member keep lockup state; At this moment, movable part and fixed parts keep relative fixed.
When in sliding track mechanism, using above-mentioned lock assembly, though can realize the locking of slide rail and glidepath, and can be when adjusting automotive seat position, the locking in the releasing between slide rail and the glidepath; But this lock assembly changes the state of lock assembly by the shifting part 6 of rotation; When a plurality of lock pin 1 is set, just shifting part 6 need be set in the glidepath side.This has not only increased the sliding track mechanism occupation space, also easily other equipment under the automotive seat is produced and interferes, and is unfavorable for the layout of automotive seat and the installation of other equipment.
Summary of the invention
Therefore, the objective of the invention is to, a kind of sliding track mechanism of automotive seat is provided, this sliding track mechanism takes up room less, thereby can provide convenience for the layout of automotive seat and the installation of other equipment.
Providing on the basis of above-mentioned sliding track mechanism, the present invention also provides a kind of automobile that comprises the automotive seat of above-mentioned sliding track mechanism and comprise these automotive seat.
The sliding track mechanism of automotive seat provided by the invention comprises slide rail, glidepath and lock assembly; Described glidepath and under-carriage are fixed, and described upward slide rail and seat body are fixed; Lock assembly comprises lock pin and shifting part, and described lock pin and the described slide rail bearing fit on vertical direction of going up have the locking window that cooperates with the lower end of described lock pin on the described glidepath; Described shifting part and the described slide rail of going up are at the vertical direction bearing fit; Described shifting part and described lock pin are fixedly linked; Perhaps, described shifting part is provided with the face of stirring towards the top, and described lock pin is provided with the locking face of separating towards the below, describedly stirs face and to separate locking face corresponding.
Optionally, described lock assembly also comprises coil spring; The upper end of described lock pin forms the lower spring projection that protrudes upward, and the described slide rail of going up forms the upper spring projection of stretching out downwards; Described helical spring two ends are enclosed within respectively on described upper spring projection and the lower spring projection.
Optionally, the described slide rail of going up comprises sliding track body, lock pin guide and stirs guide; Described lock pin guide and the described sliding track body that goes up are fixed described lock pin and described lock pin guide bearing fit by detachable mechanism; Describedly stir guide and the described sliding track body that goes up is fixed described shifting part and the described guide bearing fit of stirring by detachable mechanism.
Optionally, the described guide of stirring forms a microscler pilot hole that extends in perpendicular direction; Described lock assembly also comprises the guide finger with described pilot hole bearing fit, and first end of described guide finger links to each other with shifting part, and second end passes described pilot hole, and at second end positioning cap is set.
Optionally, described lock assembly is included in the described a plurality of lock pins that distribute on the bearing of trend of slide rail of going up; Described shifting part comprises a plurality of hooks that cross out, and the upper surface of described hook forms the described face of stirring; Described lock pin be provided with cross out separate the lock seaming wing, the described lower surface of separating the lock seaming wing forms the described locking face of separating.
Optionally, described lock assembly is included at least two lock pins that distribute on the direction vertical with the described bearing of trend of going up slide rail.
Optionally, with described on be fixedly linked between the lock pin that distributes on the vertical direction of the bearing of trend of slide rail.
Optionally, sliding track mechanism also comprises unlock drive mechanism; Described unlock drive mechanism comprises: poke rod, and described poke rod is installed in described going up on the slide rail by jointed shaft; The axis of described jointed shaft is parallel with horizontal surface and vertical with the bearing of trend of described upward slide rail, and the struck side of described poke rod drives described shifting part and slides; Or, comprising traction cable, described traction cable comprises drag-line cover and the drag-line that is used, and an end of described drag-line cover is fixed on the slide rail, and an end of described drag-line links to each other with the described parts of stirring.
Automotive seat provided by the invention comprise seat body, also comprise the sliding track mechanism of above-mentioned any automotive seat, and described upward slide rail and described seat body are fixedly linked.
Automobile provided by the invention comprises under-carriage, also comprises above-mentioned automotive seat, and the glidepath and the under-carriage of described sliding track mechanism are fixed.
In the lock assembly of the sliding track mechanism of automotive seat provided by the invention, described shifting part and the described slide rail of going up are at the vertical direction bearing fit; And described shifting part can with the same moved further of described lock pin.In this sliding track mechanism, because shifting part and last slide rail bearing fit on vertical direction, when the needs shifting part is stirred lock pin, only need to make shifting part on the vertical direction with respect on slide rail move, just can stir lock pin, make the lock pin lower end separate with the locking window aperture of glidepath or cooperate, realize the conversion of lock assembly state.Compared with prior art, shifting part is when stirring lock pin, and only the longitudinal space at sliding track mechanism moves, and can not take the sliding track mechanism lateral space, and then this sliding track mechanism takes up room lessly, can facilitate for the layout of automotive seat and the installation of other equipment.Wherein, the technical scheme that described shifting part and described lock pin are fixedly linked can two-way control lock pin, guarantees the reliability of the lockup state of lockable mechanism, guarantees the thoroughness that lock pin separates with the locking window under its released state simultaneously.Described shifting part is provided with the face of stirring towards the top, described lock pin is provided with the locking face of separating towards the below, describedly stir face and separate in the corresponding technical scheme of locking face, because shifting part and lock pin can install respectively, and then this technical scheme can be provided convenience for the installation of lock assembly.
In further technical scheme, described lock assembly also comprises retracing spring; This technical scheme can make lock pin keep the tendency that moves to the locking window, and then making lock assembly keep lockup state under the attitude usually, guarantees the safety of automotive seat.
In further technical scheme, described retracing spring is a coil spring, and described helical spring two ends are overlapped respectively on upper spring projection and the lower spring projection; This technical scheme can avoid retracing spring to separate with lock pin, improves the reliability of lock assembly.
In further technical scheme, described lock pin guide and the described sliding track body that goes up are fixed by detachable mechanism; Describedly stir guide and the described sliding track body that goes up is fixed by detachable mechanism.In this technical scheme, lock assembly, stir guide and lock pin guide and form a relatively independent locking module; Other parts of this locking module and sliding track mechanism are relatively independent, and the production and assembly that this not only helps the locking module also help and guarantee the matching relationship between the each several part in the locking module, improve the functional reliability of lock assembly; Simultaneously, relatively independent locking module also can make things convenient for the assembling of sliding track mechanism, makes things convenient for the installation and maintenance of sliding track mechanism.
In further technical scheme, the described guide of stirring forms a microscler pilot hole that extends in perpendicular direction; Shifting part is by guide finger and stir the guide bearing fit.This technical scheme can guarantee the reliability that shifting part slides.
In further technical scheme, on the direction vertical with last slide rail bearing of trend, at least two lock pins of described lock assembly setting.Like this when sliding track mechanism suffers reaction, have two lock pins power that withstands shocks at least, therefore can increase the moment coupling mechanism force that provides of lock assembly is provided, guarantee the functional reliability of sliding track mechanism.In further technical scheme, make with the vertical direction of the bearing of trend of last slide rail on be maintained fixed between the lock pin that distributes and link to each other, can guarantee the bulk strength of lock pin like this, further improve the reliability of lock assembly.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part only is exemplary and explanatory, should any restriction not arranged to the technical scheme that provides of the present invention.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the scatter diagram of the sliding track mechanism of the automotive seat that provide of the embodiment of the invention one; Fig. 3 is the structural representation of the locking module of sliding track mechanism shown in Fig. 2.
Sliding track mechanism provided by the invention comprises slide rail 200, glidepath 100, lock assembly 300 and release driver train 400.Last slide rail 200 and glidepath 100 bearing fits, and be fixedly linked with under-carriage and seat body respectively; And then seat body can be moved in a predetermined direction with respect to under-carriage.
In this example, last slide rail comprises sliding part 201, adapter plate 202, lock pin guide 210 and stirs guide 220.Last sliding part 201 and adapter plate 202 are fixedly linked and are formed for installing the last sliding track body of lock assembly or other annexes; Lock pin guide 210 is installed on the sliding part 201, and last sliding part 201 is provided with and lock pin guide 210 corresponding installation sites.Stirring guide 220 is installed on the adapter plate 202.Glidepath 100 is provided with a plurality of locking windows of arranging along its bearing of trend 101.
Please refer to Fig. 3, lock assembly 300 comprises a plurality of lock pins 310, a plurality of retracing spring 320 and a shifting part 330.A plurality of lock pins 310 distribute on the bearing of trend of last slide rail 200, and all with lock pin guide 210 bearing fit on vertical direction, each lock pin 310 can be moved up and down with respect to last slide rail 200; In this example, the lateral cross section of lock pin 310 is square, and its lower end has the conical surface.Each retracing spring 320 is corresponding one by one with lock pin 310, and the two ends of each retracing spring 320 are supported on respectively on the upper end and adapter plate 202 of a lock pin 310, can apply downward application force to a lock pin 310, the trend that makes this lock pin 310 keep down and move.
Shifting part 330 with stir guide 220 bearing fit on vertical direction.In this example, stir guide 220 and comprise a guide plate and two orienting lugs, guide plate is used to limit shifting part 220 and moves in horizontal surface, limit simultaneously shifting part with the perpendicular direction of last slide rail 200 bearing of trends on move; The both sides that two orienting lugs are each defined on slide rail 200 bearing of trends move, and realize stirring the bearing fit between guide 220 and the shifting part 330.Shifting part 330 comprises a plurality of hooks that cross out 331, and the upper surface of hook 331 forms the face of stirring; Lock pin 310 is provided with horizontal expansion, promptly separates the lock seaming wing 311 what last slide rail 200 bearing of trends stretched out, and the lower surface of separating the lock seaming wing 311 forms separates locking face, separates locking face and to stir face corresponding; Under retracing spring 320 effects, separate locking face and stir face inconsistent.
In this example, lock pin guide 210 and last sliding part 201 are fixed by bearing pin; Stir guide and adapter plate 202 is also fixed by bearing pin, make lock assembly 300, lock pin guide 210 and stir guide 220 and form relatively independent locking module.
Unlock drive mechanism 400 can apply application force to shifting part 330, and shifting part 330 is moved up and down with respect to adapter plate 202.
The principle of work of above-mentioned lock assembly is as follows:
In the normal state, lock assembly 300 remains on lockup state, and lock pin 310 lower ends cooperate with the locking window 101 of glidepath 100, makes slide rail 200 and glidepath 100 keep locking, and then guarantees fixing between seat body and the under-carriage.
Position between needs adjustment seat body and under-carriage, when slide rail 200 moves with respect to glidepath 100 on the needs, by unlock drive mechanism 400 shifting part 330 is moved up, the passing through of shifting part 330 stirs face and conciliates locking face lock pin 310 is moved up, separate with the locking window 101 of glidepath 100 lock pin 310 lower ends, and lock assembly is transferred to released state; At this moment, last slide rail 200 can slide with respect to glidepath 100, and seat body can be moved with respect to under-carriage, realizes the adjustment to the seat body position.
After adjusting end, discharge shifting part 330, lock pin 310 moves down under retracing spring 320 effects, cooperates with the locking window 101 of glidepath 100 again, makes slide rail 200 and glidepath 100 keep lockings.
Compared with prior art, in the sliding track mechanism that present embodiment provides, the shifting part 330 of lock assembly 300 is when stirring lock pin 310, can not take the sliding track mechanism lateral space, only the longitudinal space at sliding track mechanism moves, and then it is less that this sliding track mechanism is taken up room, and reduces the interference with other equipment, and then can facilitate for the layout of automotive seat and the installation of other equipment.
Be appreciated that shifting part 330 is not limited to drive lock pin 310 by said structure and moves up, also can pass through other structures.Such as: can the appropriate location of shifting part 330 establish towards above the face of stirring, the appropriate location of lock pin 310 be provided with towards below separate locking face, and make the face of stirring and to separate locking face corresponding, just can realize stirring the purpose that lock pin 310 moves up.When utilization is stirred face and separated the corresponding technical scheme of locking face,, can provide convenience for the installation of lock assembly 300 like this because shifting part and lock pin can be installed respectively.Certainly, shifting part 330 is maintained fixed with lock pin 310 links to each other,, and then make the shifting part 330 can two-way control lock pin 310 so that the two is in the same moved further of vertical direction; Like this, when shifting part 330 moves down, can guarantee the reliability of lock assembly 300 lockup states; When moving up, can make lock assembly 300 be transformed into released state, guarantee the thoroughness of separating between lock pin 310 lower ends and the locking window 101, convenient adjustment to the seat body position.
Please in conjunction with Fig. 2 and Fig. 3; In this example, retracing spring 320 is a coil spring, and lock pin 310 upper ends form the lower spring projection 312 that protrudes upward, and adapter plate 202 forms the upper spring projection 2021 of stretching out downwards; These helical spring two ends are enclosed within respectively on upper spring projection 2021 and the lower spring projection 312.This structure can avoid retracing spring 320 to separate with lock pin 310, improves the reliability of lock assembly 300.Be appreciated that the purpose that retracing spring 320 is set is to make lock pin 310 to keep the tendency that moves to locking window 101, and then, guarantee the safety of automotive seat making lock assembly 300 keep lockup state under the attitude usually.Under the situation that shifting part 330 and lock pin 310 keeps linking to each other,, therefore, also retracing spring 320 can be set because that shifting part 330 can two-way control lock pin 310 is mobile; Stir under the situation of lock pin 310 by stirring face reconciliation locking face at shifting part 330, also can utilize the deadweight of lock pin 310 to fall, realize that lock assembly 300 is from the conversion of released state to lockup state.
In this example, the last sliding part 201 of sliding track body and adapter plate 202 are not limited to relatively independent part in the formation; Last sliding track body also can be integrated structure.Be appreciated that lock pin guide 210 and stir guide 220 to be not limited to be installed in respectively on slide mass 201 and the adapter plate 202, can be installed in other suitable positions of sliding track body; Retracing spring 320 upper ends also are not limited to be supported on the adapter plate 202, also can be supported on the appropriate location of sliding track body; Certainly, also upper spring projection 2021 can be set in the position of last sliding track body.
In this example, lock assembly 300, lock pin guide 210 and stir guide 220 and form relatively independent locking module; Can make things convenient for the installation of sliding track mechanism like this, the production and assembly that this not only helps the locking module also help and guarantee the matching relationship between the each several part in the locking module, improve the functional reliability of lock assembly 300; Simultaneously, independently the locking module also can make things convenient for the assembling of sliding track mechanism, makes things convenient for the installation and maintenance of sliding track mechanism.Between lock pin guide 210 and the last sliding part 201, and stir between guide 220 and the adapter plate 202 and also can fix by other detachable mechanism.In addition, also can stir guide 220 and be set to integrative-structure with adapter plate 202 and last sliding track body, even lock pin 310 and shifting part 330 respectively with the direct bearing fit on vertical direction of the suitable part of last slide rail 200, also can realize purpose of the present invention.
Refer again to Fig. 2, in this example, unlock drive mechanism 400 comprises a poke rod, and this poke rod is installed on the slide rail 200 by jointed shaft, and the axis of this jointed shaft extends at horizontal surface, and vertical with the bearing of trend of last slide rail 200.The struck side of poke rod is corresponding with shifting part 330 upper ends.When the axis of jointed shaft rotated, the struck side of poke rod can apply application force to shifting part 330 at poke rod, and shifting part 330 is slided, and drove lock pins 310 by shifting part 330 again and moved.
Please refer to Fig. 4, this figure is the part-structure scheme drawing of the sliding track mechanism that provides of the embodiment of the invention two.In the sliding track mechanism that embodiment two provides, stir guide 220 and form a microscler pilot hole 221 that extends in perpendicular direction; Lock assembly 330 also comprises a horizontal expansion and guide fingers 340 described pilot hole 221 bearing fits; Guide finger 340 first ends link to each other with shifting part 330, and second end passes pilot hole 221, and at second end positioning cap is set.The combination of pilot hole 221 and guide finger 340 can guarantee the reliability that shifting part 330 slides.
In addition, among the embodiment two, unlock drive mechanism 400 adopts the driving of drag-line mechanism realization to shifting part 330.This unlock drive mechanism 400 comprises traction cable, traction cable comprises drag-line cover and the drag-line that is used, described drag-line overlaps an end and is fixed on the slide rail 200, described drag-line one end with stir parts 330 and link to each other, the other end links to each other with suitable control handle or other control mechanisms.Can drive shifting part 330 by traction cable slides.
Please refer to Fig. 5 and Fig. 6, Fig. 5 is in the sliding track mechanism that provides of the invention process three, the structural representation of locking module; Fig. 6 is the perspective view with the matching used glidepath of locking module shown in Figure 5.
Among the embodiment three, lock assembly 300 is included in two lock pins 310 that distribute on the direction vertical with last slide rail 100 bearing of trends, forms double detent configuration; Adapt therewith, in the vertical direction of glidepath bearing of trend two locking windows 101 are set on the glidepath 100, form double locking window structure.Under lockup state, double detent configuration is corresponding with double locking window, and on the direction vertical with last slide rail 100 bearing of trends, two lock pins 310 cooperate the locking in the assurance between slide rail 200 and the glidepath 100 respectively with two locking window aperture 101.This structure can be when sliding track mechanism suffers reaction, and two lock pins 310 power that withstands shocks is simultaneously arranged, and therefore can increase the moment coupling mechanism force that provides of lock assembly 300 is provided, and guarantees the functional reliability of sliding track mechanism.In addition, in this example, two lock pins in the double detent configuration are maintained fixed continuous, promptly with last slide rail 200 bearing of trend vertical direction on two lock pin tops be fixedly linked, can improve the bulk strength of lock pin 310 like this, further improve the reliability of lock assembly 300.Certainly, according to actual needs, also can on the direction vertical, be arranged side by side three or more lock pins 310 with last slide rail 100 bearing of trends.The lock pin of arranging on the direction vertical with last slide rail 100 bearing of trends 310 can be fixedly linked, and also can keep relatively independent.
Providing on the basis of above-mentioned sliding track mechanism, the present invention also provides a kind of automotive seat, and these automotive seat comprise seat body and sliding track mechanism, and sliding track mechanism can be above-mentioned any sliding track mechanism, and the last slide rail 200 and the seat body of sliding track mechanism are fixedly linked.In addition, the present invention also provides a kind of automobile, and this automobile comprises under-carriage and automotive seat, and automotive seat are above-mentioned any automotive seat, and the glidepath 100 and the under-carriage of described sliding track mechanism are fixed.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.