Sliding rail of automobile seat
Technical field
The invention belongs to vehicle body fittings technical field, relate to a kind of sliding rail of automobile seat.
Background technology
Sliding rail of automobile seat is the important functional components of automotive seat, be arranged on bottom automotive seat with adjusting seat front and back position, strengthen the traveling comfort of automotive seat, be generally a pair, comprise inside and outside wood side-guide assembly, each slide rail assembly comprises again slide rail and glidepath, wherein, glidepath and car body are fixed, and upper slide rail and glidepath coordinate slidably and to be connected with seat, and are configured with lockable mechanism and release mechanism.
In conventional confguration, lockable mechanism and release mechanism structure comparatively complicated, weight is also relatively heavier.For this reason, Chinese patent application CN201420400134.8 discloses one " sliding rail of automobile seat torsion spring locking structure ", simplifies the structure to a certain extent, but effect is unsatisfactory, and during torsion spring assembling, be not easy location, add assembly difficulty, and then add manufacturing cost.
Summary of the invention
For solving above technical matters, the invention provides a kind of structure simple, compact, and sliding rail of automobile seat easy to assembly.
Technical scheme is as follows:
A kind of sliding rail of automobile seat, comprise two slide rails be arranged in parallel, two slide rails are respectively equipped with lockable mechanism, and unlocked by same release mechanism, described slide rail comprises the upper slide rail and glidepath that can be assembled together relative sliding, described upper slide rail cross section is in " n " shape, its both sides side wall lower ends outwards also upwards bends, form two outer walls, described glidepath cross section is in " u " shape, its diapire is horizontally disposed with, two inwalls are bent to form downwards again after sidewall top, both sides bends inwards, described outer wall is embedded between the inwall of glidepath and sidewall, rolling assembly is provided with between this outer wall and glidepath sidewall,
Described lockable mechanism comprises lock claw, lock claw support, bearing pin and torsion spring, wherein, lock claw is rotatably installed in upper slide rail by lock claw support, described lock claw both sides are provided with installation journal stirrup, the upper and lower two ends of this lock claw are respectively equipped with control panel and blade tooth, and described installation journal stirrup, control panel and blade tooth all pass the homonymy sidewall of slide rail, and lock claw support is provided with the connection journal stirrup suitable with installing journal stirrup, this connection journal stirrup passes slide rail sidewall equally, and matches with the end face that homonymy installs journal stirrup;
Described bearing pin is through installing journal stirrup and be connected journal stirrup, and torsion spring set is located on bearing pin, slide rail sidewall contact on this one end and side, and the other end snaps in the positioning groove on control panel;
Described upper slide rail sidewall is provided with the perforate suitable with blade tooth, and on the inwall of glidepath, array distribution has lockhole along its length, and blade tooth passes perforate and stretches in lockhole, to realize upper slide rail and glidepath locking.
Adopt above structure, glidepath diapire is horizontally disposed with, and convenient manufacture and assembling, arrange torsion spring to ensure slide rail automatic locking, torsion spring adopts single-sided form, and one end is arranged in the positioning groove on control panel, makes torsion spring installation location convenient, meanwhile, can material be saved, reduce productive costs.
Further, described release mechanism comprises the release lever of " U " font, these release lever two ends to be installed in rotation on both sides on slide rail roof by handle mount, release lever two ends are provided with shift fork, matching with control panel in this shift fork end, is provided with unblock torsion spring between shift fork and handle mount.Adopt the release mechanism of above structure, it is simple and compact for structure, unlocks smooth and easy without clamping stagnation, and convenient and strength-saving.
Further, described shift fork end is provided with draw-in groove, and described control panel is positioned at this draw-in groove, and the end face part of the shift fork above draw-in groove is arranged with shift fork cover.This structure enables shift fork handle release mechanism easily to unlock, and arranging shift fork cover can impact by buffer operation further, raising mechanism service life.
Further, described handle mount lower end is horizontally disposed with, side bends straight up, and be provided with handle via hole, torsion spring mounting hole is provided with in this handle via hole side, described unblock one end is located in torsion spring mounting hole, upwards bends again, and be connected in the end face outside of shift fork after the other end stretches out along its length.Adopt above structure, comparatively reasonably can realize the rotatable installation of release lever, and locate firm.
As the another kind of preferred form of release mechanism, described release mechanism comprises the handle of " U " font, and this handle is installed in rotation on both sides on slide rail roof by handle bracket and fastening spring, matches with control panel in handle two ends.Adopt this release mechanism, decrease number of parts, make structure more simple, be convenient to assembling, saved cost.
Further, install for convenience of bent spring, described positioning groove is U-lag, and its opening direction is away from the slide rail of adjacent side, and namely this U-lag opening points to the slide rail of opposite side.
Further, rolling assembly on every bar slide rail is 4, and be symmetrical arranged between two, this rolling assembly comprises ball retainer and is installed in rotation on the steel ball on this ball retainer, the outer wall two ends of upper slide rail and middle part are provided with convex closure, correspondingly on the sidewall of glidepath are provided with the limit features caved inward.Adopt above structure, can guarantee that upper slide rail slides in glidepath smooth and easy, and form the secure support to upper slide rail, convex closure and limit features are set, be in order to spacing to ball retainer, guarantee that ball retainer is limited in its stroke range all the time, avoid it to deviate from slide rail.
Further, described glidepath diapire and both sides sidewall connecting portion are by arc transition, and the steel ball being beneficial to rolling assembly slides.
Further, the outer wall of described upper slide rail is provided with fluting, and this fluting is corresponding with position of opening, to improve the locking intensity of lockable mechanism.
Beneficial effect: the sliding rail of automobile seat adopting above technical scheme, its structure is simple novel, compact, and convenient for unlocking is laborsaving, good reliability, and is convenient to assembling.
Accompanying drawing explanation
Fig. 1 is the perspective view of embodiment 1;
Fig. 2 is the perspective view of left side slide rail in Fig. 1;
Fig. 3 is the decomposition texture schematic diagram of Fig. 2;
Fig. 4 is the longitudinal sectional view of Fig. 2;
Fig. 5 is the perspective view of lock claw in embodiment 1;
Fig. 6 is the decomposition texture schematic diagram of release mechanism in embodiment 1;
Fig. 7 is the perspective view of release mechanism in embodiment 2.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
Embodiment 1:
A kind of sliding rail of automobile seat as shown in Figure 1, comprise on two slide rails be parallel to each other 100, two slide rail 100 and be respectively equipped with lockable mechanism 200, and unlocked by same release mechanism 300, two one slide rail 100 structures are identical, are symmetrical arranged.
Refer to Fig. 4, described slide rail 100 comprises the upper slide rail 110 and glidepath 120 that can be assembled together relative sliding, described upper slide rail 110 cross section is in " n " shape, its both sides side wall lower ends outwards also upwards bends, form two outer walls 111, described glidepath 120 cross section is in " u " shape, its diapire is horizontally disposed with, two inwalls 121 are bent to form again downwards after sidewall top, both sides bends inwards, described outer wall 111 is embedded between the inwall 121 of glidepath 120 and sidewall, ball assembly 130 is provided with between this outer wall 111 and glidepath 120 sidewall, the steel ball 132 that this rolling assembly 130 comprises ball retainer 131 and is installed in rotation on this ball retainer 131, rolling assembly 130 also can adopt other existing holding structures, as long as can ensure, the bearing fit of glidepath, and form secure support.
As seen from Figure 3, every bar slide rail is provided with 4 ball retainers 131 between two symmetrically, for spacing to ball retainer 131,4 convex closure 111a are respectively equipped with at outer wall 111 two ends of upper slide rail 110 and middle part, 4 limit features caved inward 123 are provided with in the middle part of the sidewall of glidepath 120 and near relevant position, two ends, glidepath 120 diapire and both sides sidewall connecting portion, by arc transition, facilitate steel ball 132 to slide.
Composition graphs 2 and Fig. 3, described lockable mechanism 200 comprises lock claw 210, lock claw support 220, bearing pin 230 and torsion spring 240, all be formed in one part, wherein, described lock claw support 220 comprises matrix 221, this matrix 221 is fixed on upper slide rail 110 roof by two rivets 4, is outward extended with two connects journal stirrup 222 along described matrix 221 both sides, and these two connect the side sidewall of journal stirrup 222 through upper slide rail 110.
As shown in Figure 5, lock claw 210 has the substrate 211 be placed in described upper slide rail 110, stretched out by described substrate 211 both sides and pass two of upper slide rail 110 sidewall and journal stirrups 212 are installed, this installation journal stirrup 212 be connected journal stirrup 222 and abut against, multiple blade tooth 213 is extended with to side bottom substrate 211, substrate 211 top is provided with control panel 214, this control panel 214 passes with upper slide rail 100 sidewall of blade tooth 213 homonymy and stretches out, control panel 214 is provided with positioning groove 215, this positioning groove 215 is horizontally disposed U-lag, its opening direction is away from an adjacent wood side-guide 100, point to opposite side slide rail 100 corresponding thereto.
In Fig. 3, correspondingly on upper slide rail 100 be provided with opening, and be reserved with manipulation space, for ensureing locking intensity, blade tooth 213 is through the endwise skew of upper slide rail 100 sidewall, described bearing pin 230 is horizontal through installing journal stirrup 212 and being connected journal stirrup 222, and be connected and fixed, torsion spring 240 is set on bearing pin 230, this torsion spring 240 one end and upper slide rail 110 side sidewall contact, the other end embeds in the positioning groove 215 on control panel 214, its end upwards extends and abuts with control panel 214 upper surface, when lock claw 210 is rotated, torsion spring 240 one end and positioning groove 215 end face push against, the other end abuts with upper slide rail 110 sidewall, limit it to rotate, thus provide returning elastic for lock claw 210.Also at upper slide rail 110 side-wall hole, torsion spring 240 end can be snapped in wherein.
Described upper slide rail 110 sidewall is provided with the perforate 112 suitable with blade tooth 213, perforate 112 form can be rectangular opening or other profiled holes, the corresponding fluting 111b being provided with confession blade tooth 213 and passing through on outer wall 111, on the inwall 121 of glidepath 120, array distribution has lockhole 122 along its length, described perforate 112 and lockhole 122 are positioned at the same side, blade tooth 213 is through perforate 112 and fluting 111b and stretch in lockhole 122, to realize upper slide rail 100 and glidepath 200 locking.
Fig. 6 shows the concrete structure of release mechanism, comprise the release lever 310 of " several " font, this release lever 310 is formed in one structure, is bent form by an Integral-type round pipe, and symmetrical, two ends to be installed in rotation on both sides on slide rail 110 roof by handle mount 320.
Release lever 310 two ends are welded with shift fork 340, this shift fork 340 end is provided with draw-in groove 341, control panel 214 is positioned at this draw-in groove 341, the unblock torsion spring 330 that returning elastic is provided is provided with between shift fork 340 and handle mount 320, draw-in groove 341 size is greater than control panel 214 size, and the end face part 342 of the shift fork 340 above draw-in groove 341 is arranged with the shift fork cover 343 be made up of soft material.
Described handle mount 320 lower end is horizontally disposed with, and be fixed on the roof of upper slide rail 110 by rivet, this handle mount 320 side bends straight up, circular handle via hole 321 is provided with in vertical portion, release lever 310 passes in this handle via hole 321, snap ring 350 is provided with, to its axial limiting in the end that it passes handle via hole 321.
Torsion spring mounting hole 322 is provided with in this handle via hole 321 side, described unblock torsion spring 330 one end is located in torsion spring mounting hole 322, upwards bend again after the other end stretches out along its length, and be connected in the end face outside of shift fork 340, make shift fork 340 and release lever 310 compact siro spinning technology.
Its principle of work is as follows:
Usually, slide rail 100 is in lockup state, and lock claw 210 is under torsion spring 240 acts on, blade tooth 213 passes perforate 112 and stretches in lockhole 122, during unblock, upwards lifts release lever 310, shift fork 340 moves downward, and then pressure lock claw 210, deviates from blade tooth 213 self-locking hole 122, now, upper slide rail 110 can with glidepath 120 relative sliding, with adjusting seat front and back position, after having adjusted, unclamp release lever 310, lock claw 210 is return under torsion spring 240 acts on, and continues to keep lockup state.
Embodiment 2:
A kind of sliding rail of automobile seat, its keystone configuration is identical with embodiment 1, and difference is that release mechanism 300 have employed another kind of form.
Fig. 7 shows the concrete structure of this release mechanism, described release mechanism 300 comprises the handle 310 ' of " U " font, this handle 310 ' to be installed in rotation on both sides on slide rail 110 roof by handle bracket 320 ' and fastening spring 330 ', wherein, handle bracket 320 ' is by rivet or be directly weldingly fixed on upper slide rail 110 roof, fastening spring 330 ' is for providing screen resilience for handle 310 ', and when guaranteeing not operate release mechanism, slide rail is in the lock state, handle 310 ' two ends are flat structure, and be overlapped on control panel 214 upper surface, its principle of work is see embodiment 1.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.